CN202922482U - Auxiliary positioning device - Google Patents
Auxiliary positioning device Download PDFInfo
- Publication number
- CN202922482U CN202922482U CN 201220583575 CN201220583575U CN202922482U CN 202922482 U CN202922482 U CN 202922482U CN 201220583575 CN201220583575 CN 201220583575 CN 201220583575 U CN201220583575 U CN 201220583575U CN 202922482 U CN202922482 U CN 202922482U
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- CN
- China
- Prior art keywords
- hole
- positioning
- bell housing
- cylinder block
- boss
- 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
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Abstract
The utility model discloses an auxiliary positioning device, which is used for performing the auxiliary positioning operation and guaranteeing the coaxiality of a hole K1 in an engine flywheel housing and a hole K2 in an air cylinder body. The auxiliary positioning device comprises a positioning sleeve and a flywheel housing positioning rod, wherein the positioning sleeve is provided with a hollow boss; the outer diameter of the hollow boss is matched with that of the hole K2 in the air cylinder body; the positioning sleeve is fastened on the air cylinder body through a first bolt; the flywheel housing positioning rod is mounted in the hole K1 in the flywheel housing and provided with a rod part and the positioning boss; the rod part is inserted into the hole of the hollow boss of the positioning sleeve; the positioning boss is abutted outside the positioning sleeve; and the flywheel housing positioning rod is fastened on an air cylinder cover through a second bolt. According to the auxiliary positioning device, the coaxiality of the hole K1 in the flywheel housing and the hole K2 in the air cylinder body can be effectively guaranteed to be stably qualified.
Description
Technical field
The utility model relates to a kind of auxiliary locator, and is particularly a kind of when flywheel shell of engine is installed, the auxiliary locator of the axiality in Φ 43H7 hole on Φ 174H7 hole and cylinder block on the assurance bell housing.
Background technology
Engine is made and is required its high-performance of high guarantee, high reliability as the kernel component of automobile.Hole K1(Φ 174H7 on bell housing as shown in Figure 1 and Figure 2) with cylinder block on hole K2(Φ 43H7), need to make Φ 174H7 after bell housing and two Assembly of the parts of cylinder block are completed is Φ 0.05 to Φ 43H7 ensuring coaxiality.
Existing assembly method is by a Φ 12 location round pin X1 and Φ 12 location link pin X2 are contained on cylinder block, and the pitch-row L1 of two dowel holes is 230mm, and its line in the horizontal direction.Hole K1, hole K2 are coaxial, and these two holes are 315mm with the upright opening in link pin X2 hole, location apart from L2, and these two holes are 190mm with the lateral aperture in link pin X2 hole, location apart from L3.With these two alignment pin location and installation bell housings, detect Φ 174H7 hole K1 after the bell housing installation to the axiality of Φ 43H7 hole K2.Even machined can guarantee Φ 174H7 hole K1 to the axiality Φ 0.05 of Φ 43H7 hole K2, after having arrived the assembling link and ressembling bell housing as stated above, axiality also can variation, can not meet the assembling of subsequent parts.
Existing mounting technology can not be stablized and guarantees that Φ 174H7 hole K1 is qualified to the axiality Φ 0.05 of Φ 43H7 hole K2 after repeating to assemble, main cause is as follows: after two alignment pin X1, X2 are contained on cylinder block 2 and the position relationship of Φ 43H7 hole K2 fix, but two alignment pins are distant apart from Φ 43H7 hole K2, because the locating hole on bell housing and two alignment pins are transition or matched in clearance.When repeating to assemble, the locating hole on bell housing and the positioning accuracy of alignment pin can't guarantee bell housing Φ 174H7 hole K1 to the axiality of Φ 43H7 hole K2 on cylinder block in the scope that requires.
The utility model content
The utility model is in order to overcome defective in above-mentioned prior art, by auxiliary locator and corresponding localization method, the axiality of respective coaxial bore K1 and the K2 of bell housing and cylinder block can be made up when assembling, the problem of the positioning accuracy deficiency between bell housing and cylinder block can be effectively reduced.
For realizing above-mentioned utility model purpose, the utility model provides a kind of auxiliary locator, be used for auxiliary positioning and guarantee hole K1 on flywheel shell of engine and the axiality of the hole K2 on cylinder block, this device comprises: positioning sleeve, it has cannular boss, and the hole K2 on cannular boss external diameter and cylinder block is suitable; Positioning sleeve passes through the first bolted on cylinder block; The bell housing backstay, it is arranged in hole K1 on bell housing, has bar section and positioning boss, and bar section is inserted in the hole of cannular boss of positioning sleeve and positioning boss is connected to the outside of positioning sleeve; The bell housing backstay passes through the second bolted on cylinder head.
In technique scheme, the first bolt quantity can be two, and is the M12 bolt; The second bolt quantity can be one, and is the M10 bolt.
In technique scheme, the hole K1 on bell housing is Φ 174H7; Hole K2 on cylinder block is Φ 43H7.
For realizing above-mentioned utility model purpose, the utility model also provides a kind of assisted location method, for the hole K1 on the assurance flywheel shell of engine and the axiality of the hole K2 on cylinder block, the method comprises the steps: the cannular boss on positioning sleeve is inserted in hole K2 on cylinder block, and with the first bolt, positioning sleeve is fastened on cylinder block; The bell housing backstay is packed in hole K1 on bell housing, and make the bar section of bell housing backstay be inserted in the hole of cannular boss, the positioning boss of bell housing backstay and the outside of positioning sleeve connect simultaneously, with the second bolt, the bell housing backstay are fastened on cylinder head; To locate round pin X1 and location link pin X2 and knock in realization location in corresponding locating hole; After by the fastening bell housing of technological requirement and cylinder block, dismantle successively bell housing backstay and positioning sleeve, thereby complete the orientation assemble of bell housing.
Compared with prior art, the utlity model has following beneficial effect:
By after using this auxiliary locator assisted location method and assembling, the hole K1 on bell housing to the axiality of the hole K2 on cylinder block can stablize guarantee qualified.
Description of drawings
Fig. 1 is bell housing and cylinder block rigging position front view in prior art;
Fig. 2 is bell housing and cylinder block rigging position side view (broken section) in prior art;
Fig. 3 is the part explosive view of the utility model auxiliary locator;
Fig. 4 is the side view after the utility model auxiliary locator is installed.
Mark the following drawings mark thereon by reference to the accompanying drawings:
The 1-bell housing, the 2-cylinder block, the hole on the K1-bell housing, the hole on the K2-cylinder block, X1-locates round pin, and X2-locates link pin, the lateral aperture distance of L1-two alignment pins, the upright opening distance of L2-K1, K2 and location link pin, the lateral aperture distance of L3-K1, K2 and location link pin;
The 3-auxiliary locator, 31-positioning sleeve, 311-cannular boss, 32-bell housing backstay, 321-bar section, 322-positioning boss, 33-M12 bolt, 34-M10 bolt, 4-pin-and-hole via hole.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of the specific embodiment.
Auxiliary locator of the present utility model be used for to guarantee the hole K1(Φ 174H7 on bell housing) with cylinder block on hole K2(Φ 43H7) axiality, guarantee to make after bell housing and two Assembly of the parts of cylinder block are completed Φ 174H7 to Φ 43H7 ensuring coaxiality in Φ 0.05.
As shown in Fig. 3,4, this auxiliary locator 3 comprises positioning sleeve 31 and bell housing backstay 32, by two M12 bolts 33, positioning sleeve 31 is fastened on cylinder block 2 during installation, positioning sleeve 31 is provided with the cannular boss 311 of location use, and the hole K2 that during installation, cannular boss 311 is inserted on cylinder block is also fastening.Bell housing backstay 32 has bar section 321 and positioning boss 322, the hollow part that during installation, bar section 321 inserts positioning boss 311,322 pairs of positioning sleeves of positioning boss 31 form butt simultaneously, then by a M10 bolt 34, bell housing backstay 32 are fastened on cylinder head.
The below describes the method that the utility model auxiliary locator positions of using in detail:
First the cannular boss 311 of positioning sleeve 31 is packed in cylinder block Φ 43H7 hole (being the hole K2 on cylinder block), be fastened on cylinder block 2 with two M12 bolts 33; Again bell housing backstay 32 is packed in bell housing Φ 174H7 hole (being the hole K1 on bell housing), this moment, bell housing backstay 32 bar section 321 inserted in cannular boss 311, the positioning boss 322 of bell housing backstay 32 is connected to the outside of positioning sleeve 31 simultaneously, then with M10 bolt 34, bell housing backstay 32 is fastened on cylinder head; Then φ 12 location round pin X1, φ 12 location link pin X2 are tapped down in the locating hole of the locating hole of bell housing and cylinder block and reach positioning action; After pressing the fastening bell housing of technological requirement and cylinder block with bolt, dismantle two M12 bolts 33 and M10 bolt 34, remove respectively bell housing backstay 32, positioning sleeve 31, thereby complete the assembling of bell housing.
The utility model is by after using this auxiliary locator and assembling, the hole K1 on bell housing to the axiality of the hole K2 on cylinder block can stablize guarantee qualified.
Above disclosed be only a specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (4)
1. auxiliary locator is used for auxiliary positioning and guarantees the axiality in the hole (K2) on hole (K1) and cylinder block on flywheel shell of engine, it is characterized in that, comprising:
Positioning sleeve, it has cannular boss, and the hole (K2) on described cannular boss external diameter and described cylinder block is suitable; Described positioning sleeve passes through the first bolted on cylinder block;
The bell housing backstay, it is arranged in hole (K1) on described bell housing, has bar section and positioning boss, and described bar section is inserted in the hole of cannular boss of described positioning sleeve and described positioning boss is connected to the outside of described positioning sleeve; Described bell housing backstay passes through the second bolted on cylinder head.
2. auxiliary locator according to claim 1, is characterized in that, described the first bolt quantity is two, and be the M12 bolt.
3. auxiliary locator according to claim 1, is characterized in that, described the second bolt quantity is one, and be the M10 bolt.
4. auxiliary locator according to claim 1, is characterized in that, the hole on described bell housing (K1) is Φ 174H7; Hole on described cylinder block (K2) is Φ 43H7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583575 CN202922482U (en) | 2012-11-07 | 2012-11-07 | Auxiliary positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583575 CN202922482U (en) | 2012-11-07 | 2012-11-07 | Auxiliary positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922482U true CN202922482U (en) | 2013-05-08 |
Family
ID=48212476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583575 Expired - Lifetime CN202922482U (en) | 2012-11-07 | 2012-11-07 | Auxiliary positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202922482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495948A (en) * | 2013-10-25 | 2014-01-08 | 天津市百利纽泰克电气科技有限公司 | Conducting rod correcting and positioning mould |
| CN103802044A (en) * | 2012-11-07 | 2014-05-21 | 广西玉柴机器股份有限公司 | Assistant positioning device and assistant positioning method using same |
| CN112894675A (en) * | 2021-01-19 | 2021-06-04 | 杭州特翌智科技有限公司 | Centering device for aircraft engine assembling machine |
-
2012
- 2012-11-07 CN CN 201220583575 patent/CN202922482U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802044A (en) * | 2012-11-07 | 2014-05-21 | 广西玉柴机器股份有限公司 | Assistant positioning device and assistant positioning method using same |
| CN103802044B (en) * | 2012-11-07 | 2016-06-08 | 广西玉柴机器股份有限公司 | A kind of assisted location method of auxiliary locator and this device of application |
| CN103495948A (en) * | 2013-10-25 | 2014-01-08 | 天津市百利纽泰克电气科技有限公司 | Conducting rod correcting and positioning mould |
| CN112894675A (en) * | 2021-01-19 | 2021-06-04 | 杭州特翌智科技有限公司 | Centering device for aircraft engine assembling machine |
| CN112894675B (en) * | 2021-01-19 | 2022-05-03 | 杭州特翌智科技有限公司 | Centering device for aircraft engine assembling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130508 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |