CN203515760U - Piston cooling nozzle installing and adjusting device - Google Patents
Piston cooling nozzle installing and adjusting device Download PDFInfo
- Publication number
- CN203515760U CN203515760U CN201320618811.9U CN201320618811U CN203515760U CN 203515760 U CN203515760 U CN 203515760U CN 201320618811 U CN201320618811 U CN 201320618811U CN 203515760 U CN203515760 U CN 203515760U
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- China
- Prior art keywords
- cooling nozzle
- piston cooling
- hole
- piston
- adjusting
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Abstract
The utility model discloses a piston cooling nozzle installing and adjusting device which comprises an adjusting rod and an adjusting board matched with the top face of a machine body. The installation board is provided with an adjusting hole and an installation portion installed with the top face 6 of the machine body. The position of the adjusting hole is matched with that of a piston cooling nozzle. When the adjusting board is installed on the top face of the machine body, the adjusting hole is located in the theoretical extending direction of an oil bundle sprayed by the piston cooling nozzle. The adjusting rod is matched with the adjusting hole, and the lower end of the adjusting rod is provided with a positioning hole matched with an oil spraying pipe of the piston cooling nozzle. The positioning hole can be inserted into the oil spraying pipe of the piston cooling nozzle so that the position of the piston cooling nozzle can be fixed. By means of the structure, the adjusting board is installed on the top face of the machine body, the adjusting rod can penetrate through the adjusting hole in the time of installation so that the positioning hole can be inserted into the piston cooling nozzle, and therefore an accurate position of the nozzle can be kept and the piston cooling nozzle installing and adjusting device is suitable for installing and adjusting of the piston cooling nozzle.
Description
Technical field
The utility model relates to technical field of engines, relates in particular to a kind of piston cooling nozzle Installation and adjustment device of motor.
Background technique
Along with motor Abgasgesetz is more and more tighter, the strengthening level of motor is more and more higher, and in engine chamber, pressure of explosion and combustion temperature further improve, and piston becomes motor and carries high-power vital part.After piston strengthening, the cooling key that becomes the raising of engine piston technical merit of piston crown, these high heat load pistons generally adopt inner-cooling oil recess design, piston cooling nozzle is installed on body, piston cooling nozzle is connected with the oil duct with pressure on body, cooling liquid is that machine oil sprays into inner-cooling oil recess by piston cooling nozzle, and in oil pocket, concussion is flowed out after absorbing heat, thereby reduces the particularly temperature of piston crown and firing chamber contact segment of piston, because piston pumps, the position of piston and cooling jet changes, the peak of piston movement is called top dead center, the minimum point of motion is called lower dead center, the requirement that piston is restrainted nozzle oil is that piston is when lower dead center, oil bundle is the interior oil cooling passage of injection into pistion all, piston most of oil (requiring 80%) when top dead center can spray into oil duct, and at present in piston cooling nozzle installation process because all there is tolerance in nozzle and machining cylinder block, often there are some problems, as shown in Figure 1, piston 2 is when lower dead center, shown in A in Fig. 1, piston cooling nozzle 1 is interfered with piston 2, the nozzle of piston cooling nozzle 1 is not corresponding with oil duct in piston entrance 3 positions of piston 2, piston 2 is when top dead center, shown in B in Fig. 1, the oil bundle of ejection departs from oil duct in piston entrance 3, the amount that the oil of ejection enters piston 2 can not reach designing requirement, cause to install in difficulty and using process and may occur the cooling bad significant troubles such as scuffing of cylinder bore that cause of piston crown.
In engine assembly process, if piston is interfered with piston cooling nozzle, may cause nozzle variant at present, nozzle ejection lost efficacy or did not reach the cooling flow of design.General Production Lines is installed empty piston (not with the piston of piston ring) and is carried out trial assembly for guaranteeing that assembly quality adopts, if do not interfered, first piston cooling nozzle is tightened formal piston is installed again.Another kind of adjustment mode is from body end face, to insert long thin metal bar to enter nozzle, by swinging metal bar, nozzle bend pipe angle is adjusted.For the first, adjust mode, if nozzle install with piston after interference; the nozzle that needs more to renew is reinstalled and is mated, this kind of mode can make the prolongation in man-hour of assembly process, and can not guarantee the ejection efficiency in piston top dead center of each nozzle.The second way is the adjustment mode comparatively generally adopting, though this kind of mode can make nozzle pipe distortion meet matching requirements, but also can make the inner stress deformation of nozzle spout, and nozzle configuration to oil restraint jet velocity, there is decisive influence in spray angle, this kind of adjustment mode can cause oily miconvergence of beams, cannot realize design injection into pistion oil mass, though can meet matching requirements, can cause catastrophe failure hidden danger to engine reliability.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of piston cooling nozzle Installation and adjustment device is provided, he can play the effect of accurate location when piston cooling nozzle is installed, and also can be used for the position of piston cooling nozzle to adjust calibration simultaneously.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of piston cooling nozzle Installation and adjustment device, comprise regulating lever and the adjustment plate matching with body end face, described adjustment plate is provided with adjusting hole and the assembly department of installing mutually with body end face, match with described piston cooling nozzle in the position of described adjusting hole, when described adjustment plate is installed on body end face, described adjusting hole is positioned on the theoretical bearing of trend of the oil bundle that piston cooling nozzle sprays, and staff can observe piston cooling nozzle from adjusting the top of plate, described regulating lever and described adjusting hole match, the lower end of described regulating lever is provided with the positioning hole that the spray bar with described piston cooling nozzle matches, described positioning hole can insert on the spray bar of piston cooling nozzle, the position of piston cooling nozzle is fixed.
As a kind of improvement, the mounting hole that the assembly department on described adjustment plate matches for the pin-and-hole with described body end face.
As a kind of improvement, described adjustment plate is glass plate.
As a kind of improvement, described positioning hole position shoulder hole, larger hole and the spray bar Spielpassung of described piston cooling nozzle in described shoulder hole, in described shoulder hole, the diameter in less hole is less than the diameter of the spray bar of described piston cooling nozzle, is greater than the diameter of the nozzle of described piston cooling nozzle.
As a kind of improvement, described regulating lever is provided with one end of positioning hole and the shaft of regulating lever for removably connecting.
Owing to having adopted technique scheme, when piston cooling nozzle is installed, adjustment plate is arranged on body end face, the position of adjusting hole and the position of piston cooling nozzle align, regulating lever is stretched into adjusting hole, the positioning hole of regulating lever inserts on the spray bar of piston cooling nozzle, piston cooling nozzle is located, the direction of the oil bundle of nozzle ejection is exactly the bearing of trend of regulating lever substantially, now the position of piston cooling nozzle meets installation requirement, under the location of regulating lever, piston cooling nozzle and body are installed together, can guarantee the accuracy of the position of piston cooling nozzle, and simple to operation.For already installed piston cooling nozzle, by this device, can regulate, together with equally adjustment plate being installed to body, regulating lever stretches in adjusting hole from adjusting plate top, positioning hole stretches in the spray bar of piston cooling nozzle, as smooth insertion illustrates piston cooling nozzle, install errorless, as needs are exerted oneself, illustrate that nozzle is slightly biased, in insertion process, be equivalent to nozzle pipe bending direction to adjust, certainly, the material of regulating lever should be harder than the nozzle pipe of piston cooling nozzle, and the spray bar that this adjusting is only adapted to piston cooling nozzle is straight, and the longer situation of length, the special piston cooling nozzle of some spray bar shapes can not be used this device.
Conventionally engine body is provided with 4 pin-and-holes that piston is installed, therefore, the mounting hole that assembly department on described adjustment plate matches for the pin-and-hole with described body end face, by locating stud, be inserted in mounting hole and pin-and-hole and just can fix adjusting Board position, can make like this to adjust plate structure simple, easy accessibility.
Because described adjustment plate is glass plate, by adjusting plate top, can observe the situation of below, easy to use.
Because described positioning hole is shoulder hole; larger hole and the spray bar Spielpassung of described piston cooling nozzle in described shoulder hole; in described shoulder hole, the diameter in less hole is less than the diameter of the spray bar of described piston cooling nozzle; be greater than the diameter of the nozzle of described piston cooling nozzle; when adjusting hole is inserted on piston cooling nozzle; less hole can be located with the nozzle shoulder of piston cooling nozzle, and can protect nozzle to be without prejudice.
The structural type of piston cooling nozzle is many, therefore the length of spray bar and diameter are all different, need the empty coupling of different adjustment, and described regulating lever is provided with one end of positioning hole and the shaft of regulating lever for removably connecting, can use the shaft of same regulating lever, save cost of material.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is piston cooling nozzle and piston interference schematic diagram;
Fig. 2 is the utility model embodiment's structural representation;
Fig. 3 is the enlarged view that in figure, adjusting hole matches with piston cooling nozzle;
Fig. 4 is the utility model embodiment's top view;
In figure: 1, piston cooling nozzle; 11, nozzle; 2, piston; 3, oil duct in piston entrance; 4, regulating lever; 41, positioning hole; 5, adjust plate; 51, mounting hole; 52, adjusting hole; 6, body end face.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3 are common, a kind of piston cooling nozzle Installation and adjustment device, comprise regulating lever 4 and the adjustment plate 5 matching with body end face 6, described adjustment plate 5 is provided with adjusting hole 52 and the assembly department of installing mutually with body end face 6, because be conventionally all provided with the pin-and-hole that piston is installed on engine body, generally pin-and-hole quantity is 4, assembly department on described adjustment plate 5 for described body on the mounting hole 51 that matches of pin-and-hole, by locating stud, mounting hole 51 and pin-and-hole is plug-in, just the position of adjusting plate 5 can be fixed, match with described piston cooling nozzle 1 in the position of described adjusting hole 52, when described adjustment plate 5 is installed on body end face 6, described adjusting hole 52 is positioned on the theoretical bearing of trend of the oil bundle that piston cooling nozzle 1 sprays, and staff can observe piston cooling nozzle 1 from adjusting the top of plate 5, common described adjustment plate 5 is glass plate, can well observe like this piston cooling nozzle 1 of below, can certainly not adopt glass plate, adjustment plate 5 is processed near adjusting hole 52 to a peep hole, by peep hole, can see piston cooling nozzle 1, described regulating lever 4 matches with described adjusting hole 52, the lower end of described regulating lever 4 is provided with the positioning hole 41 that the spray bar with described piston cooling nozzle 1 matches, described positioning hole 41 can insert on the spray bar of piston cooling nozzle 1, the position of piston cooling nozzle 1 is fixed, common described positioning hole 41 designs become shoulder hole, larger hole and the spray bar Spielpassung of described piston cooling nozzle 1 in described shoulder hole, in described shoulder hole, the diameter in less hole is less than the diameter of the spray bar of described piston cooling nozzle 1, be greater than the diameter of the nozzle 11 of described piston cooling nozzle 1, can play like this effect of inserting location and protection nozzle 11.
As a kind of optimal way, described regulating lever 4 is provided with one end of positioning hole 41 and the shaft of regulating lever 4 for removably connecting, different piston cooling nozzle 1 sizes exist in difference, therefore also there is difference in the design of positioning hole 41, adopts the mode of removably connecting can adjust with same bar the piston cooling nozzle 1 of different size.
When piston cooling nozzle 1 is installed, adjustment plate 5 is arranged on body end face 6, the position of the position of adjusting hole 52 and piston cooling nozzle 1 aligns, regulating lever 4 is stretched into adjusting hole 52, the positioning hole 41 of regulating lever 4 inserts on the spray bar of piston cooling nozzle 1, by piston cooling nozzle 1 location, the direction of the oil bundle of nozzle ejection is exactly the bearing of trend of regulating lever 4 substantially, now the position of piston cooling nozzle 1 meets installation requirement, under the location of regulating lever 4, piston cooling nozzle 1 and body are installed together, can guarantee the accuracy of the position of piston cooling nozzle 1, and simple to operation.
For already installed piston cooling nozzle 1, by this device, can regulate, together with equally adjustment plate 5 being installed to body, regulating lever 4 stretches in adjusting hole 52 from adjusting plate 5 tops, positioning hole 41 stretches in the spray bar of piston cooling nozzle 1, as smooth insertion illustrates piston cooling nozzle 1, install errorless, as needs are exerted oneself, illustrate that nozzle is slightly biased, in insertion process, be equivalent to nozzle pipe bending direction to adjust, certainly, the material of regulating lever 4 should be harder than the nozzle pipe of piston cooling nozzle 1.
Current most piston cooling nozzle 1 is one section of right-angle elbow pipe all, spray bar from nozzle 11 to right angle is straight, this segment distance will have certain length could use this device, tolerance during the too short installation of length is too large, during adjustment, also cannot adjust, inapplicable this device, if this segment distance is not straight cannot use this device yet.
Claims (5)
1. piston cooling nozzle Installation and adjustment device, it is characterized in that: comprise regulating lever and the adjustment plate matching with body end face, described adjustment plate is provided with adjusting hole and the assembly department of installing mutually with body end face, match with described piston cooling nozzle in the position of described adjusting hole, when described adjustment plate is installed on body end face, described adjusting hole is positioned on the theoretical bearing of trend of the oil bundle that piston cooling nozzle sprays, described regulating lever and described adjusting hole match, the lower end of described regulating lever is provided with the positioning hole that the spray bar with described piston cooling nozzle matches.
2. piston cooling nozzle Installation and adjustment device as claimed in claim 1, is characterized in that: the mounting hole that the assembly department on described adjustment plate matches for the pin-and-hole with described body end face.
3. piston cooling nozzle Installation and adjustment device as claimed in claim 1 or 2, is characterized in that: described adjustment plate is glass plate.
4. piston cooling nozzle Installation and adjustment device as claimed in claim 1 or 2, it is characterized in that: described positioning hole is shoulder hole, larger hole and the spray bar Spielpassung of described piston cooling nozzle in described shoulder hole, in described shoulder hole, the diameter in less hole is less than the diameter of the spray bar of described piston cooling nozzle, is greater than the diameter of the nozzle of described piston cooling nozzle.
5. piston cooling nozzle Installation and adjustment device as claimed in claim 4, is characterized in that: described regulating lever is provided with one end of positioning hole and the shaft of regulating lever for removably connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618811.9U CN203515760U (en) | 2013-10-08 | 2013-10-08 | Piston cooling nozzle installing and adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618811.9U CN203515760U (en) | 2013-10-08 | 2013-10-08 | Piston cooling nozzle installing and adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515760U true CN203515760U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320618811.9U Expired - Fee Related CN203515760U (en) | 2013-10-08 | 2013-10-08 | Piston cooling nozzle installing and adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515760U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104935A (en) * | 2017-12-27 | 2018-06-01 | 潍柴动力股份有限公司 | A kind of shooting method of cooling nozzles |
| CN109676338A (en) * | 2018-12-26 | 2019-04-26 | 潍柴动力股份有限公司 | A kind of piston cooling nozzle assembly tooling and assembly method |
| US11384720B2 (en) | 2020-08-27 | 2022-07-12 | Volkswagen Aktiengesellschaft | Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine |
-
2013
- 2013-10-08 CN CN201320618811.9U patent/CN203515760U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104935A (en) * | 2017-12-27 | 2018-06-01 | 潍柴动力股份有限公司 | A kind of shooting method of cooling nozzles |
| CN108104935B (en) * | 2017-12-27 | 2020-12-22 | 潍柴动力股份有限公司 | Target shooting method of cooling nozzle |
| CN109676338A (en) * | 2018-12-26 | 2019-04-26 | 潍柴动力股份有限公司 | A kind of piston cooling nozzle assembly tooling and assembly method |
| US11384720B2 (en) | 2020-08-27 | 2022-07-12 | Volkswagen Aktiengesellschaft | Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20151008 |
|
| EXPY | Termination of patent right or utility model |