CN108655997B - Through bolt positioning tool and use method - Google Patents
Through bolt positioning tool and use method Download PDFInfo
- Publication number
- CN108655997B CN108655997B CN201810847881.9A CN201810847881A CN108655997B CN 108655997 B CN108655997 B CN 108655997B CN 201810847881 A CN201810847881 A CN 201810847881A CN 108655997 B CN108655997 B CN 108655997B
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- bolt
- notch
- positioning
- bottom plate
- lower bottom
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- 238000000034 method Methods 0.000 title claims description 15
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a through bolt positioning tool which comprises a lower bottom plate, wherein the lower bottom plate is used for being in clearance fit with a bolt positioning notch in the upper plane of a rack, a U-shaped bolt notch is formed in the lower bottom plate, and the U-shaped bolt notch is used for installing a through bolt; the upper surface of the lower bottom plate is provided with a movable clamping plate which is positioned at one side of the U-shaped bolt notch and can open or block the U-shaped bolt notch, and the upper surface of the lower bottom plate is also provided with a butt strap with a protruding edge; the access plate is supported on the edge of the bolt positioning notch in the upper plane of the frame. The invention has the advantages of simple structure, low manufacturing cost, simple operation, safety and reliability.
Description
Technical Field
The invention relates to the technical field of positioning tools, in particular to a through bolt positioning tool and a using method thereof.
Background
When the marine low-speed diesel engine is maintained, the whole cylinder body is required to be aligned with the through bolts in the replacement process, and more accurately, the distance deviation between the through bolts is required to be smaller than 10mm, so that the installation requirement can be met. But the activity of the through bolts in the frame exceeds +/-70 mm, the clearance between the cylinder body holes and the through bolts is only 20-30mm, and the through bolts can be normally installed only by accurately positioning the through bolts in the folding and installing process of the cylinder body and the frame. Considering that the number of the through bolts is more, the number of the through bolts is generally 12-16, if all the through bolts are assembled by manually righting, the working efficiency is low, and potential safety hazards exist when operators are located under large-scale hanging pieces.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a through bolt positioning tool and a using method thereof, wherein the positioning tool is simple in structure, low in manufacturing cost, simple to operate, safe and reliable; the positioning tool is used for assisting in positioning the through bolts, so that the relative sizes among the through bolts can be accurately controlled, and the folding and mounting process of the cylinder body and the frame is safer and more efficient.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a through bolt location frock, includes the lower part bottom plate with be used for the bolt location notch clearance fit in the frame upper plane, open U type bolt notch in the lower part bottom plate, U type bolt notch is used for installing the through bolt; the upper surface of the lower bottom plate is provided with a movable clamping plate which is positioned at one side of the U-shaped bolt notch and can open or block the U-shaped bolt notch, and the upper surface of the lower bottom plate is also provided with a butt strap with a protruding edge; the access plate is supported on the edge of the bolt positioning notch in the upper plane of the frame.
Further preferably, the structural shape of the lower base plate conforms to the structural shape of the bolt locating slot in the upper plane of the frame.
Further preferably, the structural shape of the bolt positioning notch is triangular.
Further preferably, the movable clamping plate is in an L shape, one side of the movable clamping plate is blocked at the U-shaped bolt notch, and the other side of the movable clamping plate is movably fixed at one side of the U-shaped bolt notch through two connecting bolts.
Further preferably, the plurality of the access plates are welded on the edge of the upper surface of the lower base plate.
The application method based on the through bolt positioning tool comprises the following steps:
step one: installing and fixing the through bolt into a positioning tool;
step two: positioning tools provided with through bolts are arranged in bolt positioning notches in the upper plane of the frame one by one;
step three: the four corners of the upper plane of the frame are provided with protective brackets, and the heights of the protective brackets are lower than the heights of the upper ends of the through bolts;
step four: and installing the cylinders, aligning the cylinder holes on the cylinders with the through bolts one by one, slowly falling down the cylinders, dismantling all positioning tools when the cylinder holes are in partial contact with the through bolts and before the cylinders are not in contact with the protective bracket, dismantling the protective bracket, and then continuing to lower the cylinders until the cylinders are folded and installed with the frame.
Further preferably, in the third step, the difference between the height of the protective bracket and the height of the extension of the upper end of the through bolt is 10mm.
Further preferably, in the fourth step, when the gap between the cylinder body and the protective bracket is 5mm, all the positioning tools are removed.
The through bolt positioning tool and the application method thereof provided by the invention have the advantages of simple structure, low manufacturing cost, simplicity in operation, safety and reliability; the positioning tool is used for assisting in positioning the through bolts, the relative sizes among the through bolts can be accurately controlled, the cylinder body and the frame are folded and installed safely and efficiently, namely, the positioning tool is used for assisting in positioning the through bolts, so that the working efficiency is improved, the safety risk is reduced, and the operation is simple, safe and reliable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and explain the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic structural view of a positioning tool of the present invention;
FIG. 2 is a schematic diagram of the assembly of the positioning tool and the through bolt according to the present invention, wherein (a) is a top view and (b) is a side view;
FIG. 3 is a schematic diagram of the assembly of the positioning fixture and the frame of the present invention, wherein (a) is a top view and (b) is a side view;
FIG. 4 is a schematic view of the structure of the frame of the present invention, wherein (a) is a top view and (b) is a front view;
fig. 5 is a schematic diagram of the assembly of the cylinder and the frame of the present invention.
Wherein: 10. positioning a tool; 1. a lower base plate; u-shaped bolt notch; 3. a movable clamping plate; 4. a butt strap; 5. (5 a.5 b) connecting bolts; 20. a frame; 21. a bolt positioning notch; 22. a protective bracket; 30. a through bolt; 40. a cylinder; 41. a cylinder hole.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As shown in fig. 1-5, a through bolt positioning tool 10 comprises a lower bottom plate 1, wherein a U-shaped bolt notch 2 is formed in the lower bottom plate 1, a movable clamping plate 3 capable of opening or blocking the U-shaped bolt notch 2 is arranged on one side of the upper surface of the lower bottom plate 1, which is positioned on the U-shaped bolt notch 2, and a lug plate 4 with a protruding edge is further arranged on the upper surface of the lower bottom plate 1.
Here, the lower base plate 1 is for clearance fit with the bolt positioning notch 21 in the upper plane of the frame 20, i.e., the structural shape of the lower base plate 1 is substantially identical to the structural shape of the bolt positioning notch 21 in the upper plane of the frame 20, and the structural shape of the bolt positioning notch 21 is substantially triangular; the plurality of the butt straps 4 are welded on the edge of the upper surface of the lower bottom plate, and when in installation, the butt straps 4 are supported on the edge of the bolt positioning notch 21 so as to prevent the positioning tool 10 from falling from the bolt positioning notch 21 on the upper plane of the frame 20, and the movable clamping plate 3 also protrudes from the edge of the lower bottom plate 1 to have the same supporting function as the butt straps 4; the through bolts 30 are placed in the U-shaped bolt slots 2 in the lower bottom plate 1; the movable clamping plate 3 is L-shaped, one side of the movable clamping plate is blocked at the U-shaped bolt notch 2, and the other side of the movable clamping plate is movably fixed at one side of the U-shaped bolt notch 2 through two connecting bolts 5; before the through bolt 30 is not installed in the U-shaped bolt notch 2 in the lower bottom plate 1, the connecting bolt 5a in front of the movable clamping plate 3, namely, near the U-shaped bolt notch 2 is not installed, the connecting bolt 5b behind the movable clamping plate 3 is used for movably fixing the movable clamping plate 3 relative to the lower bottom plate 1, at the moment, the movable clamping plate 3 can rotate a certain angle relative to the lower bottom plate 1 through the loose connecting bolt 5b so as to open the U-shaped bolt notch 2, the through bolt 30 is conveniently installed in the U-shaped bolt notch 2 in the lower bottom plate 1, after the through bolt 30 is installed in the U-shaped bolt notch 2 in the lower bottom plate 1, the movable clamping plate 3 is rotated to enable one side of the through bolt 30 to be blocked at the U-shaped bolt notch 2 so as to prevent the through bolt 30 from sliding out of the U-shaped bolt notch 2, and then the connecting bolt 5b behind is screwed and the connecting bolt 5a in front is installed so as to fix the movable clamping plate 3.
Based on the use method of the through bolt positioning tool, taking a 7RT-flex82T low-speed diesel engine as an example, the method comprises the following steps:
step one: installing and fixing the through bolts 30 into the positioning tool 10; here, the vertical position of the through bolt 20 relative to the positioning tool 10 needs to be adjusted;
step two: the positioning tools 10 provided with the through bolts 30 are arranged in the bolt positioning notch 21 in the upper plane of the frame 20 one by one;
step three: the four corners of the upper plane of the frame 20 are provided with protective brackets 22, wherein the height of the protective brackets 22 is lower than the extending height of the upper ends of the through bolts 30, and the approximate height difference is 10mm;
step four: installing the cylinders 40, aligning the cylinder holes 41 on the cylinders 40 with the through bolts 30 one by one, slowly dropping the cylinders 40, dismantling all the positioning fixtures 10 when the cylinder holes 41 are in partial contact with the through bolts 30 and the gap between the cylinders 40 and the protective support 22 is about 5mm before the cylinders 40 are not in contact with the protective support 22, dismantling the protective support 22 again, and then continuing to descend the cylinders 40 until the cylinders 40 are assembled with the frame 20.
The through bolt positioning tool and the application method thereof provided by the invention have the advantages of simple structure, low manufacturing cost, simplicity in operation, safety and reliability; the positioning tool is used for assisting in positioning the through bolts, the relative sizes among the through bolts can be accurately controlled, the cylinder body and the frame are folded and installed safely and efficiently, namely, the positioning tool is used for assisting in positioning the through bolts, so that the working efficiency is improved, the safety risk is reduced, and the operation is simple, safe and reliable.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "middle", "lower", "front", "rear", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (6)
1. The through bolt positioning tool is characterized by comprising a lower bottom plate which is used for being in clearance fit with a bolt positioning notch in the upper plane of a rack, wherein a U-shaped bolt notch is formed in the lower bottom plate and is used for installing a through bolt; the upper surface of the lower bottom plate is provided with a movable clamping plate which is positioned at one side of the U-shaped bolt notch and can open or block the U-shaped bolt notch, and the upper surface of the lower bottom plate is also provided with a butt strap with a protruding edge; the access plate is supported on the edge of the bolt positioning notch in the upper plane of the frame;
the structural shape of the lower bottom plate is consistent with that of a bolt positioning notch in the upper plane of the frame;
the number of the access plates is plural, and the access plates are welded on the edge of the upper surface of the lower bottom plate.
2. The through-bolt positioning tooling of claim 1, wherein the bolt positioning notch has a triangular configuration.
3. The through-bolt positioning tool according to claim 1, wherein the movable clamping plate is L-shaped, one side of the movable clamping plate is blocked at the U-shaped bolt notch, and the other side of the movable clamping plate is movably fixed at one side of the U-shaped bolt notch through two connecting bolts.
4. The application method of the through bolt positioning tool is characterized by comprising the following steps of:
step one: installing and fixing the through bolt into a positioning tool;
step two: positioning tools provided with through bolts are arranged in bolt positioning notches in the upper plane of the frame one by one;
step three: the four corners of the upper plane of the frame are provided with protective brackets, and the heights of the protective brackets are lower than the heights of the upper ends of the through bolts;
step four: and installing the cylinders, aligning the cylinder holes on the cylinders with the through bolts one by one, slowly falling down the cylinders, dismantling all positioning tools when the cylinder holes are in partial contact with the through bolts and before the cylinders are not in contact with the protective bracket, dismantling the protective bracket, and then continuing to lower the cylinders until the cylinders are folded and installed with the frame.
5. The method of claim 4, wherein in the third step, the difference between the height of the protective bracket and the height of the upper end of the through bolt is 10mm.
6. The method of claim 4, wherein in step four, when the gap between the cylinder and the protective bracket is 5mm, all positioning tools are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847881.9A CN108655997B (en) | 2018-07-27 | 2018-07-27 | Through bolt positioning tool and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847881.9A CN108655997B (en) | 2018-07-27 | 2018-07-27 | Through bolt positioning tool and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108655997A CN108655997A (en) | 2018-10-16 |
| CN108655997B true CN108655997B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847881.9A Active CN108655997B (en) | 2018-07-27 | 2018-07-27 | Through bolt positioning tool and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108655997B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2937514Y (en) * | 2005-07-31 | 2007-08-22 | 广西玉柴机器股份有限公司 | Engine with through bolt structure |
| CN202657819U (en) * | 2012-05-04 | 2013-01-09 | 上海沪东造船油嘴油泵有限公司 | Lifting device tool of large diesel engine |
| CN103056590A (en) * | 2012-12-25 | 2013-04-24 | 南车玉柴四川发动机股份有限公司 | Method for enabling diesel engine main bearing cover to be connected with machine body through bolt |
| CN204277876U (en) * | 2014-12-12 | 2015-04-22 | 厦门毅泰机电有限公司 | A kind of assembly fixture of electromagnetic core |
| CN104763515A (en) * | 2014-09-17 | 2015-07-08 | 内蒙古欧意德发动机有限公司 | Diesel engine and vehicle |
| CN106695627A (en) * | 2017-01-24 | 2017-05-24 | 重庆长安汽车股份有限公司 | Tool for split camshaft cover assembly |
| CN206234228U (en) * | 2016-12-07 | 2017-06-09 | 大连船用柴油机有限公司 | Run through bolt torsion device in engine of boat and ship main frame |
| CN207239630U (en) * | 2017-10-10 | 2018-04-17 | 中国第一汽车股份有限公司 | More compression leg pressing clamps based on hydraulic resistance balance principle |
| CN208496838U (en) * | 2018-07-27 | 2019-02-15 | 中国船舶重工集团柴油机有限公司 | One kind running through bolt positioning tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543405B2 (en) * | 2001-08-08 | 2003-04-08 | General Motors Corporation | Modular engine architecture |
-
2018
- 2018-07-27 CN CN201810847881.9A patent/CN108655997B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2937514Y (en) * | 2005-07-31 | 2007-08-22 | 广西玉柴机器股份有限公司 | Engine with through bolt structure |
| CN202657819U (en) * | 2012-05-04 | 2013-01-09 | 上海沪东造船油嘴油泵有限公司 | Lifting device tool of large diesel engine |
| CN103056590A (en) * | 2012-12-25 | 2013-04-24 | 南车玉柴四川发动机股份有限公司 | Method for enabling diesel engine main bearing cover to be connected with machine body through bolt |
| CN104763515A (en) * | 2014-09-17 | 2015-07-08 | 内蒙古欧意德发动机有限公司 | Diesel engine and vehicle |
| CN204277876U (en) * | 2014-12-12 | 2015-04-22 | 厦门毅泰机电有限公司 | A kind of assembly fixture of electromagnetic core |
| CN206234228U (en) * | 2016-12-07 | 2017-06-09 | 大连船用柴油机有限公司 | Run through bolt torsion device in engine of boat and ship main frame |
| CN106695627A (en) * | 2017-01-24 | 2017-05-24 | 重庆长安汽车股份有限公司 | Tool for split camshaft cover assembly |
| CN207239630U (en) * | 2017-10-10 | 2018-04-17 | 中国第一汽车股份有限公司 | More compression leg pressing clamps based on hydraulic resistance balance principle |
| CN208496838U (en) * | 2018-07-27 | 2019-02-15 | 中国船舶重工集团柴油机有限公司 | One kind running through bolt positioning tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108655997A (en) | 2018-10-16 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 266520 No. 501 Lijiang East Road, Huangdao District, Qingdao, Shandong Applicant after: China Shipbuilding Industry Corporation Diesel ENGINE Co.,Ltd. Address before: 266520 No. 501 Lijiang East Road, Huangdao District, Qingdao, Shandong Applicant before: CHINA SHIPBUILDING INDUSTRY CORPORATION DIESEL ENGINE Co.,Ltd. |
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| GR01 | Patent grant |