CN203266191U - Auxiliary clamping mechanism of excircle of moving bolt in diesel engine air cylinder for automobiles and boats - Google Patents
Auxiliary clamping mechanism of excircle of moving bolt in diesel engine air cylinder for automobiles and boats Download PDFInfo
- Publication number
- CN203266191U CN203266191U CN 201320331746 CN201320331746U CN203266191U CN 203266191 U CN203266191 U CN 203266191U CN 201320331746 CN201320331746 CN 201320331746 CN 201320331746 U CN201320331746 U CN 201320331746U CN 203266191 U CN203266191 U CN 203266191U
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- Prior art keywords
- gripping sleeve
- bolt
- diesel engine
- moving bolt
- lubricating oil
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Abstract
The utility model discloses an auxiliary clamping mechanism of an excircle of a moving bolt in a diesel engine air cylinder for automobiles and boats. The auxiliary clamping mechanism of the excircle of the moving bolt in the diesel engine air cylinder for automobiles and boats comprises a clamping sleeve (1) for sleeving a processed moving bolt; the clamping sleeve (1) is coaxially provided with an annular lubricating oil groove (2); the bottom surface of the lubricating oil groove (2) is in rotation fit with an end surface of an ejector pin annually arranged on a turning lathe center frame; two ends of the clamping sleeve (1) are respectively at least provided with two regulating rods (3) which can be screwed in or out; the regulating rods (3) positioned at the same end of the clamping sleeve are all positioned on the same cross section and are annularly and uniformly distributed on the outer circumference surface of the clamping sleeve (1). The auxiliary clamping mechanism not only can regulate the coaxiality of the processed moving bolt, but also can support the processed moving bolt.
Description
Technical field
The utility model relates to a kind of auxiliary clamp mechanism, is specifically that the interior motion bolt of a kind of marine diesel cylinder is used in the auxiliary clamp mechanism on lathe center frame when turning.
Background technology
At present, there is a kind of tonnage to reach the marine low speed diesel engine of 1850t, the connector that is used for connection piston and piston rod in the cylinder of this diesel engine generally adopts the high-quality special steel alloy to be made, integral body is cylindrical shape, and two ends respectively are provided with the screw thread that connects use, this connector also moves with piston, piston rod when playing connection function, is the motion bolt therefore be commonly called as in industry.
Reached the length of 2.7～3m because of the length of motion bolt, therefore during turning, need to have supporting mechanism that the motion bolt is supported on lathe.at present, although lathe carries passive lathe center frame, but the lathe center frame of the type is when the supporting movement bolt, all the outer circumference surface that presses the motion bolt by a plurality of thimbles of circle distribution on lathe center frame, when adding lathe to motion bolt turning, the motion bolt rotates with the lathe main shaft, a plurality of thimbles that press with the outer circumference surface of motion bolt on actionless like this lathe center frame just can tightly be clamped the motion bolt and the rotation of retardation motion bolt, so just form the state of killing that is commonly called as in industry, thereby the motion bolt can't normally be rotated, can't carry out normal turning processing.
Therefore the applicant has invented a kind of auxiliary clamp mechanism that is specifically designed on lathe center frame, this auxiliary clamp mechanism comprises gripping sleeve, this gripping sleeve forms the holes for clamping that gripping sleeve and processed motion bolt synchronous are rotated, the coaxial lubricating oil sump that is provided with ring-type also on this gripping sleeve, the end face of the thimble that arranges ringwise on the bottom surface of this lubricating oil sump and lathe center frame forms and is rotatably assorted.After this auxiliary clamp mechanism is clamped in lathe center frame, under the effect of lubricating oil, the end face of the thimble that arranges along annular on lathe center frame forms with the bottom surface of lubricating oil sump and is rotatably assorted, thereby make gripping sleeve rotatably be clamped on lathe center frame, this auxiliary clamp mechanism utilizes the setting of lubricating oil sump can realize support to processed motion bolt, simultaneously processed motion bolt is freely rotated.But in actual use, applicant's discovery, when turning, the motion bolt that always rotates continuously can produce vibration, adds that the length of motion bolt itself is longer, and along with the prolongation of process time, the coaxiality error of motion bolt is larger.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of axiality of regulating processed motion bolt for above-mentioned the deficiencies in the prior art, makes the auxiliary clamp mechanism of the interior motion bolt cylindrical of axiality satisfactory car and boat use cylinder of diesel engine of processed motion bolt.
for solving the problems of the technologies described above, car and boat of the present utility model are with the auxiliary clamp mechanism of motion bolt cylindrical in cylinder of diesel engine by the following technical solutions: comprise be used to the gripping sleeve that is set with processed motion bolt, the coaxial lubricating oil sump that is provided with ring-type on described gripping sleeve, the end face of the thimble that arranges ringwise on the bottom surface of described lubricating oil sump and lathe center frame forms and is rotatably assorted, but the two ends of described gripping sleeve are provided with respectively the adjusting rod of two precessions or back-out at least, the adjusting rod that is positioned at the same end of gripping sleeve all is positioned on the same cross section of gripping sleeve and to form annular along the outer circumference surface of gripping sleeve uniform.
The quantity that is positioned at the adjusting rod of the same end of gripping sleeve is four, and these four adjusting rods are made by stay bolt, and described gripping sleeve is provided with the screwed hole that matches with stay bolt.
the beneficial effects of the utility model are: but car and boat of the present utility model with the auxiliary clamp mechanism of motion bolt cylindrical in cylinder of diesel engine because be provided with at least respectively the adjusting rod of two precessions or back-out at the two ends of gripping sleeve, add that the adjusting rod that is positioned at the same end of gripping sleeve all is positioned on the same cross section of gripping sleeve and form annular along the outer circumference surface of gripping sleeve uniform, like this by precession or back-out adjusting rod, just can regulate the axiality that is sleeved on the processed motion bolt in gripping sleeve, thereby the axiality of the processed motion bolt of effective guarantee is within allowed band, simultaneously by the precession adjusting rod, make the outer circumference surface that the end face of adjusting rod presses processed motion bolt just can fastening processed motion bolt, thereby gripping sleeve and processed motion bolt synchronous are rotated.
As improvement, the quantity that is positioned at the adjusting rod of the same end of gripping sleeve is four, these four adjusting rods are made by stay bolt, described gripping sleeve is provided with the screwed hole that matches with stay bolt, four radical amounts are preferred, the axiality of the processed motion bolt after more can effective guarantee regulating is in allowed band, and stay bolt can directly be bought and cost is low.
Description of drawings
Accompanying drawing is the structural representation that the utility model car and boat are used the auxiliary clamp mechanism of motion bolt cylindrical in cylinder of diesel engine.
Shown in the utility model figure:
1, gripping sleeve, 2, lubricating oil sump, 3, adjusting rod.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in the figure, car and boat of the present utility model comprise be used to the gripping sleeve 1 that is set with processed motion bolt with the auxiliary clamp mechanism of motion bolt cylindrical in cylinder of diesel engine.The coaxial lubricating oil sump 2 that is provided with ring-type on described gripping sleeve 1, the end face of the thimble that arranges ringwise on the bottom surface of described lubricating oil sump 2 and lathe center frame forms and is rotatably assorted.
But the two ends of described gripping sleeve 1 are provided with respectively the adjusting rod 3 of two precessions or back-out at least, and the adjusting rod 3 that is positioned at the same end of gripping sleeve all is positioned on the same cross section of gripping sleeve 1 and to form annular along the outer circumference surface of gripping sleeve 1 uniform.
In the present embodiment, the quantity that is positioned at the adjusting rod 3 of gripping sleeve 1 same end is four, and these four adjusting rods 3 are made by stay bolt, and described gripping sleeve 1 is provided with the screwed hole (not shown) that matches with stay bolt.
The setting of the utility model adjusting rod, the axiality that can regulate processed motion bolt on the one hand can clamp fastening processed motion bolt on the other hand, so that gripping sleeve and processed motion bolt synchronous rotate.
Claims (2)
1. car and boat are with the auxiliary clamp mechanism of motion bolt cylindrical in cylinder of diesel engine, comprise be used to the gripping sleeve that is set with processed motion bolt (1), the upper coaxial lubricating oil sump (2) that is provided with ring-type of described gripping sleeve (1), the end face of the thimble that arranges ringwise on the bottom surface of described lubricating oil sump (2) and lathe center frame forms and is rotatably assorted, it is characterized in that: described gripping sleeve (1) but two ends be provided with at least respectively the adjusting rod (3) of two precessions or back-out, the adjusting rod (3) that is positioned at the same end of gripping sleeve all is positioned on the same cross section of gripping sleeve (1) and to form annular along the outer circumference surface of gripping sleeve (1) uniform.
2. car and boat according to claim 1 are with the auxiliary clamp mechanism of motion bolt cylindrical in cylinder of diesel engine, it is characterized in that: the quantity that is positioned at the adjusting rod (3) of the same end of gripping sleeve (1) is four, these four adjusting rods (3) are made by stay bolt, and described gripping sleeve (1) is provided with the screwed hole that matches with stay bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320331746 CN203266191U (en) | 2013-06-08 | 2013-06-08 | Auxiliary clamping mechanism of excircle of moving bolt in diesel engine air cylinder for automobiles and boats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320331746 CN203266191U (en) | 2013-06-08 | 2013-06-08 | Auxiliary clamping mechanism of excircle of moving bolt in diesel engine air cylinder for automobiles and boats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203266191U true CN203266191U (en) | 2013-11-06 |
Family
ID=49496680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320331746 Expired - Fee Related CN203266191U (en) | 2013-06-08 | 2013-06-08 | Auxiliary clamping mechanism of excircle of moving bolt in diesel engine air cylinder for automobiles and boats |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203266191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773219A (en) * | 2016-03-23 | 2016-07-20 | 武汉船用机械有限责任公司 | Machining tool suitable for shaft workpiece |
-
2013
- 2013-06-08 CN CN 201320331746 patent/CN203266191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773219A (en) * | 2016-03-23 | 2016-07-20 | 武汉船用机械有限责任公司 | Machining tool suitable for shaft workpiece |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170608 |