CN112743486A - Mounting tool and mounting method for connecting rod end cover of medium-high speed diesel engine - Google Patents
Mounting tool and mounting method for connecting rod end cover of medium-high speed diesel engine Download PDFInfo
- Publication number
- CN112743486A CN112743486A CN201911044645.4A CN201911044645A CN112743486A CN 112743486 A CN112743486 A CN 112743486A CN 201911044645 A CN201911044645 A CN 201911044645A CN 112743486 A CN112743486 A CN 112743486A
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- China
- Prior art keywords
- connecting rod
- end cover
- guide rail
- sliding block
- rod end
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A mounting tool and a mounting method for a connecting rod end cover of a medium-high speed diesel engine are disclosed. The connecting rod end cover can be ensured to smoothly enter the frame without contacting with other parts, the bolt hole of the connecting rod end cover and the connecting rod bolt can be accurately centered, and the connecting rod end cover does not need to be supported by hands when a connecting rod nut is installed. The invention has the characteristics of simple structure, low manufacturing and maintenance cost, popular and easy operation principle, easy positioning, easy support, easy operation and the like.
Description
Technical Field
The invention relates to a diesel engine, in particular to a mounting tool and a mounting method for a connecting rod end cover of a medium-high speed diesel engine.
Background
The connecting rod is used as a heavy part of the diesel engine, and the installation of the connecting rod end cover is the final process of the installation of the connecting rod and is the most difficult part of the installation of the connecting rod. The concrete expression is as follows:
firstly, how the connecting rod end cover enters the machine frame through the narrow door cover to ensure that the connecting rod end cover does not touch the crankshaft and the internal parts of the machine frame,
secondly, how to adjust and center the bolt of the connecting rod end cover and the connecting rod,
and thirdly, in the process of installing the nut of the connecting rod bolt, how the connecting rod end cover supports, so that the connecting rod nut can be accurately and quickly installed.
The cylinder number of the medium-high speed diesel engine is generally more, and for the multi-cylinder medium-high speed diesel engines producing the same batch in a mass production manner, a novel diesel engine connecting rod end cover mounting tool is designed under the background in order to improve the mounting efficiency and the mounting quality of connecting rod end covers and save manpower and material resources.
Disclosure of Invention
The invention aims to provide a mounting tool and a mounting method for a connecting rod end cover of a medium-high speed diesel engine, which are particularly effective for mass production of multi-cylinder medium-high speed diesel engines in the same batch, in order to improve the mounting efficiency and mounting quality of the connecting rod end cover and save manpower and material resources.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a well high-speed diesel engine connecting rod end cover mounting tool which characterized in that: the connecting rod end cover mounting device comprises a bracket, a connecting rod, a control rod, a sliding block and a guide rail;
the support is formed by welding a square plate with two fixed connecting holes and a bearing plate vertical to the square plate, and the other end of the bearing plate is provided with a connecting hole; connecting holes are formed in two ends of the connecting rod; one end of the control rod is provided with a U-shaped circular groove and a long square rod with a connecting hole on the rod body;
the sliding block is a U-shaped supporting plate, two first baffle plates for fixing the end cover of the connecting rod are welded in the front-back direction of the upper part of the U-shaped supporting plate, a second baffle plate with an adjusting hole is welded in the left-right direction of the upper part of the U-shaped supporting plate, two guide plates are welded in the left-right direction of the lower part of the U-shaped supporting plate, a U-shaped carriage with a cylinder is welded in the middle of the two guide plates, and two ends of the U-shaped carriage with the cylinder and the lower parts of the two guide plates are in a welding state;
the guide rail is formed by welding two guide plates, a U-shaped stop plate and a fixing plate, and the fixing plate is provided with two kidney-shaped fixing holes and two distance-adjusting threaded holes.
The sliding block is placed on the guide rail, and the U-shaped stop plate of the guide rail limits the relative position of the sliding block in moving.
The method for mounting the connecting rod end cover on the diesel engine frame door cover by using the mounting tool of the connecting rod end cover of the medium-high speed diesel engine comprises the following steps:
1) firstly, connecting a connecting hole at the end part of a bearing plate of the support with a connecting hole at one end of a connecting rod through a bolt, connecting a connecting hole at the other end of the connecting rod with a connecting hole at the rod body of the control rod through a bolt to form a whole, and fixing the whole on a frame of a diesel engine through two fixed connecting holes of the support by using a stud;
2) slowly placing the guide rail into the frame, adjusting the guide rail by an adjusting screw to be placed on a supporting plate in the inner cavity of the frame, and finally fixing the guide rail on the frame through two waist-shaped fixing holes of the guide rail;
3) placing the slide block on the guide rail, placing the connecting rod end cover in the slide block, fixing the connecting rod end cover in the slide block through an adjusting screw on an adjusting hole, and slowly pushing the slide block to enable the connecting rod end cover to move to the tail end of the guide rail;
4) the U-shaped notch of the control rod is clamped on the U-shaped supporting plate of the sliding block, the sliding block is slightly supported by the control rod through a lever principle, so that the connecting rod end cover penetrates through the connecting rod bolt until the connecting rod end cover is contacted with the connecting rod body, the connecting rod nut is manually screwed on the connecting rod bolt and is manually tightened, and then the sliding block, the support, the connecting rod, the control rod and the guide rail are sequentially disassembled and taken out, so that the installation of the connecting rod end cover is completed.
A middle speed diesel engine 20PA6B connecting rod end cover mounting tool comprises a support 1, a connecting rod 2, a control rod 3, a sliding block 4 and a guide rail 5. The bracket 1, the sliding block 4 and the guide rail 5 are not a single structure, but are welded by a plurality of parts, and the specific supplementary description is as follows: the support 1 structure is formed by welding a square plate 10 with two fixed connecting holes 12 and a bearing plate 11 vertical to the square plate, and the end part of the bearing plate 11 is provided with a connecting hole 13; the main body of the sliding block 4 is a U-shaped supporting plate 14, a baffle 15 used for fixing a connecting rod end cover is welded in the front-back direction of the upper part of the U-shaped supporting plate 14, a baffle 16 with an adjusting hole 17 is welded in the left-right direction of the upper part of the U-shaped supporting plate 14, two guide plates 18 are welded in the left-right direction of the lower part of the U-shaped supporting plate 14, a U-shaped supporting plate 19 with a cylinder is welded between the two guide plates 18, and two ends of the cylinder in the U-shaped supporting plate 19 and the lower parts of the two guide plates 18; the guide rail 5 is formed by welding two guide plates 20, a U-shaped stop plate 21 and a fixing plate 22, and the fixing plate 22 is provided with two kidney-shaped fixing holes 23 and two distance-adjusting threaded holes 24.
The invention has the beneficial effects that:
the invention overcomes the difficult problems of difficult installation and large time consumption of the connecting rod end cover, can ensure that the connecting rod end cover smoothly enters the frame and is not contacted with other parts, and the bolt hole of the connecting rod end cover and the connecting rod hole can be accurately centered, and the connecting rod end cover is not required to be supported by hands when the connecting rod nut is installed. The invention has the characteristics of simple structure, low manufacturing and maintenance cost, popular and easy operation principle, easy positioning, easy support, easy operation and the like.
Drawings
FIG. 1 is a schematic structural diagram of a diesel engine connecting rod end cover mounting tool;
FIG. 2 is a schematic structural diagram of a bracket 1 of a diesel engine connecting rod end cover mounting tool;
FIG. 3 is a schematic structural view of a connecting rod 2 of the diesel engine connecting rod end cover mounting tool;
fig. 4 is a schematic structural diagram of the control rod 3 of the diesel engine connecting rod end cover mounting tool.
Fig. 5 is a schematic structural diagram of a sliding block 4 of the diesel engine connecting rod end cover mounting tool.
Fig. 6 is a schematic structural view of the guide rail 5 of the diesel engine connecting rod end cover mounting tool.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, it can be seen that the mounting tool for the connecting rod end cover of the medium speed diesel engine 20PA6B in the embodiment includes a bracket 1, a connecting rod 2, a control rod 3, a slider 4 and a guide rail 5;
the support 1 is formed by welding a square plate 10 with two fixed connecting holes 12 and a bearing plate 11 vertical to the square plate 10, and the other end of the bearing plate 11 is provided with a connecting hole 13;
two ends of the connecting rod 2 are provided with connecting holes 25;
one end of the control rod 3 is provided with a U-shaped circular groove 27 and a long square rod with a connecting hole 26 on the rod body;
the sliding block 4 is a U-shaped supporting plate 14, two first baffle plates 15 used for fixing the end cover of the connecting rod are welded in the front-back direction of the upper part of the U-shaped supporting plate 14, a second baffle plate 16 with an adjusting hole 17 is welded in the left-right direction of the upper part of the U-shaped supporting plate 14, two guide plates 18 are welded in the left-right direction of the lower part of the U-shaped supporting plate 14, a U-shaped supporting plate 19 with a cylinder is welded in the middle of the two guide plates 18, and two ends of the U-shaped supporting plate 19 with the lower parts of the two guide plates 18 are in a welding state;
the guide rail 5 is formed by welding two guide plates 20, a U-shaped stop plate 21 and a fixing plate 22, and the fixing plate 22 is provided with two kidney-shaped fixing holes 23 and two distance-adjusting threaded holes 24.
The slider 4 is placed on the guide rail 5, and the U-shaped stop plate 21 of the guide rail 5 defines the relative position of the slider 4 in movement.
The method for installing the connecting rod end cover on the diesel engine frame door cover by using the connecting rod end cover installation tool comprises the following steps of:
1) firstly, connecting a connecting hole 13 at the end part of a bearing plate 11 of the support 1 with a connecting hole 25 at one end of a connecting rod 2 through a bolt, connecting a connecting hole 25 at the other end of the connecting rod 2 with a connecting hole 26 at the rod body of the control rod 3 through a bolt to form a whole, and fixing the whole on a frame of a diesel engine through two fixing connecting holes 12 of the support 1 by using a stud 6;
2) slowly placing the guide rail 5 into a frame, adjusting the guide rail 5 through an adjusting screw 7 to be placed on a support plate in an inner cavity of the frame, and finally fixing the guide rail 5 on the frame through two kidney-shaped fixing holes 23 of the guide rail 5;
3) placing the slide block 4 on the guide rail 5, placing the connecting rod end cover in the slide block 4, fixing the connecting rod end cover in the slide block 4 through an adjusting screw on an adjusting hole 17, and slowly pushing the slide block 4 to move the connecting rod end cover to the tail end of the guide rail 5;
4) the U-shaped notch 27 of the control rod 3 is clamped on the U-shaped supporting plate 19 of the sliding block 4, the sliding block 4 is slightly supported by the control rod 3 through the lever principle, the connecting rod end cover penetrates through the connecting rod bolt until the connecting rod end cover is contacted with the connecting rod body, the connecting rod nut is manually screwed on the connecting rod bolt and is manually tightened, and then the sliding block 4, the support 1, the connecting rod 2, the control rod 3 and the guide rail 5 are sequentially disassembled and taken out, so that the installation of the connecting rod end cover is completed.
Experiments show that the connecting rod nut is used on a medium-high speed diesel engine, the problems of difficult installation and large time consumption of the connecting rod end cover are solved, the connecting rod end cover can be ensured to smoothly enter the rack and not to contact with other parts, the bolt hole of the connecting rod end cover and the connecting rod bolt can be accurately centered, and the connecting rod end cover is not required to be supported by hands when a connecting rod nut is installed. The invention has the characteristics of simple structure, low manufacturing and maintenance cost, popular and easy operation principle, easy positioning, easy support, easy operation and the like. The work is quick and effective, and the connecting rod end cover and other related moving parts in the touch frame are not easy to damage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a mounting tool of medium and high speed diesel engine connecting rod end cover installs on diesel engine frame door closure, its characterized in that: the connecting rod end cover mounting device comprises a bracket (1), a connecting rod (2), a control rod (3), a sliding block (4) and a guide rail (5);
the support (1) is formed by welding a square plate (10) with two fixed connecting holes (12) and a bearing plate (11) vertical to the square plate (10), and the other end of the bearing plate (11) is provided with a connecting hole (13);
connecting holes (25) are formed in the two ends of the connecting rod (2);
one end of the control rod (3) is provided with a U-shaped circular groove (27) and a long square rod with a rod body provided with a connecting hole (26);
the sliding block (4) is a U-shaped supporting plate (14), two first baffle plates (15) used for fixing the end cover of the connecting rod are welded in the front-back direction of the upper portion of the U-shaped supporting plate (14), a second baffle plate (16) with an adjusting hole (17) is welded in the left-right direction of the upper portion of the U-shaped supporting plate (14), two guide plates (18) are welded in the left-right direction of the lower portion of the U-shaped supporting plate (14), a U-shaped supporting plate (19) with a cylinder is welded in the middle of the two guide plates (18), and two ends of the U-shaped supporting plate (19) with the lower portions of the two guide plates (18) are in a welding;
the guide rail (5) is formed by welding two guide plates (20), a U-shaped stop plate (21) and a fixing plate (22), wherein the fixing plate (22) is provided with two kidney-shaped fixing holes (23) and two distance-adjusting threaded holes (24).
2. The mounting tool for the connecting rod end cover of the medium-high speed diesel engine according to claim 1, characterized in that: the sliding block (4) is placed on the guide rail (5), and a U-shaped stop plate (21) of the guide rail (5) limits the relative position of the sliding block (4) in moving.
3. The method for installing the connecting rod end cover on the diesel engine frame door cover by using the installation tool of the connecting rod end cover of the medium-high speed diesel engine as claimed in claim 1, comprising the following steps:
1) firstly, connecting a connecting hole (13) at the end part of a bearing plate (11) of the support (1) with a connecting hole (25) at one end of a connecting rod (2) through a bolt, connecting a connecting hole (25) at the other end of the connecting rod (2) with a connecting hole (26) at the rod body of the control rod (3) through a bolt to form a whole, and fixing the whole on a frame of a diesel engine through two fixing connecting holes (12) of the support (1) by using a stud (6);
2) slowly placing the guide rail (5) into a frame, adjusting the guide rail (5) through an adjusting screw (7) to be placed on a support plate of an inner cavity of the frame, and finally fixing the guide rail (5) on the frame through two waist-shaped fixing holes (23) of the guide rail (5);
3) the sliding block (4) is placed on the guide rail (5), then the connecting rod end cover is placed in the sliding block (4), the connecting rod end cover is fixed in the sliding block (4) through an adjusting screw on an adjusting hole (17), and the sliding block (4) is slowly pushed to enable the connecting rod end cover to move to the tail end of the guide rail (5);
4) clamping the U-shaped notch (27) of the control rod (3) on the U-shaped supporting plate (19) of the sliding block (4), utilizing the control rod (3) to slightly support the sliding block (4) through a lever principle, enabling the connecting rod end cover to penetrate through the connecting rod bolt until the connecting rod end cover is touched with the connecting rod body, manually screwing the connecting rod nut on the connecting rod bolt at the moment, manually tightening the connecting rod nut, sequentially disassembling and taking out the sliding block (4), the support (1), the connecting rod (2) and the control rod (3) and the guide rail (5) to finish the installation of the connecting rod end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044645.4A CN112743486A (en) | 2019-10-30 | 2019-10-30 | Mounting tool and mounting method for connecting rod end cover of medium-high speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044645.4A CN112743486A (en) | 2019-10-30 | 2019-10-30 | Mounting tool and mounting method for connecting rod end cover of medium-high speed diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112743486A true CN112743486A (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911044645.4A Pending CN112743486A (en) | 2019-10-30 | 2019-10-30 | Mounting tool and mounting method for connecting rod end cover of medium-high speed diesel engine |
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|---|---|
| CN (1) | CN112743486A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2100187C1 (en) * | 1996-02-27 | 1997-12-27 | Акционерное общество "АвтоВАЗ" | Method of separating cover of lower head of connecting rod by fracture and apparatus for performing the same |
| CN203210295U (en) * | 2013-03-28 | 2013-09-25 | 厦门市天泉鑫膜科技股份有限公司 | Shell end cover opening device |
| CN205630474U (en) * | 2016-05-04 | 2016-10-12 | 长春众升科技发展有限公司 | End cover pressure equipment machine |
| CN106625386A (en) * | 2017-01-19 | 2017-05-10 | 中国船舶重工集团公司第七研究所 | Mounting and dismounting tool and mounting method for connecting rod large end cover of marine diesel engine |
| CN206780278U (en) * | 2016-12-30 | 2017-12-22 | 中船动力研究院有限公司 | A kind of connecting rod tip end cap dismantling device |
| CN207018104U (en) * | 2017-08-01 | 2018-02-16 | 广西防城港核电有限公司 | Generating set connecting rod end cap removable component |
| CN211615471U (en) * | 2019-10-30 | 2020-10-02 | 沪东重机有限公司 | Mounting tool for connecting rod end cover of medium-high speed diesel engine |
-
2019
- 2019-10-30 CN CN201911044645.4A patent/CN112743486A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2100187C1 (en) * | 1996-02-27 | 1997-12-27 | Акционерное общество "АвтоВАЗ" | Method of separating cover of lower head of connecting rod by fracture and apparatus for performing the same |
| CN203210295U (en) * | 2013-03-28 | 2013-09-25 | 厦门市天泉鑫膜科技股份有限公司 | Shell end cover opening device |
| CN205630474U (en) * | 2016-05-04 | 2016-10-12 | 长春众升科技发展有限公司 | End cover pressure equipment machine |
| CN206780278U (en) * | 2016-12-30 | 2017-12-22 | 中船动力研究院有限公司 | A kind of connecting rod tip end cap dismantling device |
| CN106625386A (en) * | 2017-01-19 | 2017-05-10 | 中国船舶重工集团公司第七研究所 | Mounting and dismounting tool and mounting method for connecting rod large end cover of marine diesel engine |
| CN207018104U (en) * | 2017-08-01 | 2018-02-16 | 广西防城港核电有限公司 | Generating set connecting rod end cap removable component |
| CN211615471U (en) * | 2019-10-30 | 2020-10-02 | 沪东重机有限公司 | Mounting tool for connecting rod end cover of medium-high speed diesel engine |
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