CN105414927A - Device for reducing assembling deformation of dry cylinder liner and mounting method - Google Patents
Device for reducing assembling deformation of dry cylinder liner and mounting method Download PDFInfo
- Publication number
- CN105414927A CN105414927A CN201511019063.2A CN201511019063A CN105414927A CN 105414927 A CN105414927 A CN 105414927A CN 201511019063 A CN201511019063 A CN 201511019063A CN 105414927 A CN105414927 A CN 105414927A
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- China
- Prior art keywords
- cylinder
- cylinder liner
- cylindrical rod
- pressing plate
- support
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- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a device for reducing assembling deformation of a dry cylinder liner and a mounting method. The device comprises a bracket, wherein a pressing plate is arranged in the bracket; a compression rod for enabling the pressing plate to move is arranged on the bracket above the pressing plate; a cylindrical rod is arranged at the lower end of the pressing plate; a plurality of annular grooves are formed in the periphery of the cylindrical rod; elastic rings are arranged on the annular grooves.; and the installation method lies in that during the process of pressing the cylinder liner into the cylinder body, the cylinder liner sleeves the periphery of the cylindrical rod, and the elastic rings are arranged between the cylindrical rod and the cylinder liner. The device provided by the invention has the characteristics of being simple and practical in structure and convenient to operate, and can ensure not only the assembling precision, but also the cylinder liner after installation is in well fit with the cylinder bore wall, so that both the deformation amount due to assembly and oil consumption are reduced; and besides, the device can further be used for repairing engines in the market which have high oil consumption due to deformation of cylinder liners.
Description
Technical field
The present invention relates to a kind of engine fittings assembly tool, more particularly, particularly relate to a kind of device reducing dry cylinder liner assembly deflections, the present invention relates to the installation method reducing dry cylinder liner assembly deflections.
Background technology
Engine operationally, under high gas pressure and the effect of cylinder wall internal-external temperature difference, cylinder jacket will bear sizable mechanical stress and thermal stress, piston also makes cylinder sleeve produce bending stress and wearing and tearing to the lateral pressure of cylinder sleeve and sliding friction in addition, so cylinder sleeve will have enough rigidity, during guarantee work, do not have excessive distortion; Cylinder sleeve divides wet cylinder liner and dry cylinder liner, and wet cylinder liner is separately independent machine-shaping, and wall thickness controls well.Dry type thin-wall cylinder casing outer surface does not directly contact with cooling water, and be bumped in machine body cylinder bottom outlet, the wall thickness control of machine body cylinder bottom outlet is difficult; Its reason have water jacket loam core itself foozle, when the alignment error of casting mold and machined the position error of rough benchmark, these accumulated errors add the thick inhomogeneities of body finished cylinder hole wall, the installation of adding the parts such as cylinder cap is stressed, also causes cylinder holes ID distortion to lose circle.
The shortcoming of prior art, because the inhomogeneities of the cylinder holes wall thickness of foozle generation can add and install in the actual use procedure of vehicle in installation cylinder cap, cylinder bolt plastic deformation had in various degree after " torque-rotary angle ", piston is to the lateral pressure of cylinder jacket and sliding friction, when power assembly acts on by various perturbed force (as braking, acceleration etc.), also cylinder jacket is made to produce bending stress and abrasion deformation, distortion makes piston ring not fit with steel bushing well to use, machine oil is altered, and engine motor oil oil consumption raises.As do not understood the main cause of fault, more rering many times and piston, cylinder sleeve are all ineffectual.In view of above shortcomings, if a kind of simulated engine can be designed in the frock installing and reduce under using state distortion, just can solve the problem.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned deficiency for prior art, provides structure simple, easy to use, can reduce the device of dry cylinder liner assembly deflections.
The present invention also provides a kind of easy to operate further, can reduce the installation method of dry cylinder liner assembly deflections.
Last technical scheme of the present invention is such:
Reduce a device for dry cylinder liner assembly deflections, comprise support, in wherein said support, be provided with pressing plate, support above pressing plate is provided with the depression bar of moving press plate, described pressing plate lower end is provided with cylindrical rod, is arranged with several annular groove outside described cylindrical rod, and described annular groove is provided with elastic ring.
As further improvement, several described annular groove axially be arranged in parallel along cylindrical rod, when making installment work cylinder sleeve stressed evenly.
Further, described annular groove is 5-15, and concrete quantity can need to select according to type, can suitability strong.
Further, described support is made up of portable plate and the support bar arranging portable plate both sides, and described portable plate is threaded with depression bar, and described support bar bottom is provided with the thread segment be connected with body, and structure is simple, operates easier.
After of the present invention, a technical scheme is such:
Reduce an installation method for dry cylinder liner assembly deflections, be that cylinder sleeve is pressed in the process of cylinder body, cylinder sleeve be enclosed within cylindrical rod periphery, and multiple elastic ring is set between cylindrical rod and cylinder sleeve; This elastic ring can adjusting tightness, and assembly method is effectively simple and convenient.
Beneficial effect
Device of the present invention has simple and practical, easy to operate feature, and when assembling dry type thin-wall cylinder casing, can ensure the accuracy of assembling, after also making installation, cylinder sleeve can have good laminating with cylinder holes wall, reduces on machine oil and alters, reduce oil consumption; Follow-up cylinder cap, bell housing, the water pumps etc. loaded onto play supplemental support release internal stress, reduce because of the deformation effect of load born by engine body distortion to cylinder sleeve; Also can be used for repairing on market because cylinder-liner distortion occurs improve engine reliability and maintainability by the engine that machine oil oil consumption is high simultaneously.
Accompanying drawing explanation
Structural representation when Fig. 1 is device of the present invention assembling cylinder sleeve;
Fig. 2 is the sectional structure schematic diagram of cylindrical rod in the present invention;
Perspective view when Fig. 3 is contrive equipment assembling cylinder sleeve.
In figure: 1-depression bar, 2-portable plate, 3-support bar, 4-pressing plate, 5-cylinder sleeve, 6-elastic ring, 7-cylindrical rod, 71-annular groove, 8-support.
Detailed description of the invention
Below in conjunction with the specific embodiment in accompanying drawing, the present invention is described further.
Consult shown in Fig. 1, Fig. 2 and Fig. 3, a kind of device reducing dry cylinder liner assembly deflections of the present invention, comprise support 8, support 8 in the present embodiment is made up of portable plate 2 and the support bar 3 arranging portable plate 2 both sides, and be provided with in described support bar 3 bottom the thread segment be connected with body, conveniently fixed support 8 on body, support 8 in the present invention can be disassembled and installation in split, very easy to use, pressing plate 4 is provided with in described support 8, support 8 above pressing plate 4 is provided with the depression bar 1 of moving press plate 4, described pressing plate 4 is the little flat cylindrical structure of Thickness Ratio diameter, be convenient to processing, portable plate 2 in the present embodiment is threaded with depression bar 1, cylindrical rod 7 is provided with in pressing plate 4 lower end, this cylindrical rod 7 is nylon material, there is higher compression strength, effectively enhance cylinder sleeve 5 anti-deformation ability, described cylindrical rod 7 periphery is laid with several annular groove 71 along the axis of cylindrical rod 7, and annular groove 71 is provided with elastic ring 6, annular groove 71 is preferably 5 ~ 15, preferred 6-9, uniform radial force can be provided to support to cylinder sleeve 5 compression, make cylinder sleeve 5 by pressing fit in machine body cylinder cover bottom outlet of evenly extruding.
In the present embodiment, installation method of the present invention is used to be that two of support 8 support bars 3 are passed portable plate 2 and screw in the screw of body, and depression bar 1, through screw in the middle part of portable plate 2, extend into inside support 8 to assemble the process of cylinder sleeve 5; Cylindrical rod 7 installs eight elastic rings 6, described elastic ring 6 selects " O " type elastic ring, then cylinder sleeve 5 is pressed fit into cylindrical rod 7 to pressing plate 4 end face, described " O " type elastic ring tensioning cylinder sleeve 5 inwall, " O " type elastic ring is compressed by cylinder sleeve 5 and produces compression and back elastic force, thus supports cylinder sleeve 5, cylinder sleeve 5 aims at cylinder jacket bottom outlet, a bit of in manual vertical press-in bottom outlet, then depression bar 1 contacts with pressing plate 4, and evenly cylinder sleeve 5 is slowly pressed in body to the technological requirement degree of depth by driving; To dismantle support 8 and pressing plate 4, refill upper cylinder half pad and cylinder cap, tighten with cylinder bolt.Take cylinder cap after 24 hours apart and take out cylindrical rod 7; Again by original structure mounted engine again.This installation method simple practical, easy to operate, cylinder sleeve 5 and cylinder holes wall can be made after assembling to have good laminating, reduce distortion, effectively prevent from machine oil is altered, reduce machine oil loss, also can occur engine oil consumption high-engine with on reparation market because cylinder sleeve 5 is out of shape simultaneously, improve engine whole aircraft reliability and maintainability.
Above-described is only the preferred embodiment of the present invention, should be understood that for a person skilled in the art, under the prerequisite not departing from structure of the present invention, can also make some distortion and improvement, these all can not affect effect of the invention process and practical applicability.
Claims (5)
1. one kind is reduced the device of dry cylinder liner assembly deflections, comprise support (8), it is characterized in that, pressing plate (4) is provided with in described support (8), the support (8) of pressing plate (4) top is provided with the depression bar (1) of moving press plate (4), described pressing plate (4) lower end is provided with cylindrical rod (7), be arranged with several annular groove (71) outside described cylindrical rod (7), described annular groove (71) is provided with elastic ring (6).
2. the device of minimizing dry cylinder liner assembly deflections according to claim 1, is characterized in that, described several annular groove (71) axially be arranged in parallel along cylindrical rod (7).
3. the device of minimizing dry cylinder liner assembly deflections according to claim 1 and 2, is characterized in that, described annular groove (71) is 5 ~ 15.
4. the device of minimizing dry cylinder liner assembly deflections according to claim 1, it is characterized in that, described support (8) is made up of the support bar (3) having portable plate (2) and be arranged on portable plate (2) both sides, described portable plate (2) is threaded with depression bar (1), and described support bar (3) bottom is provided with the thread segment be connected with body.
5. one kind is reduced the installation method of dry cylinder liner assembly deflections, it is characterized in that, by in the process of cylinder sleeve (5) press-in cylinder body, cylinder sleeve (5) is enclosed within cylindrical rod (7) peripheral, and multiple elastic ring (71) is set between cylindrical rod (7) and cylinder sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019063.2A CN105414927A (en) | 2015-12-30 | 2015-12-30 | Device for reducing assembling deformation of dry cylinder liner and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019063.2A CN105414927A (en) | 2015-12-30 | 2015-12-30 | Device for reducing assembling deformation of dry cylinder liner and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105414927A true CN105414927A (en) | 2016-03-23 |
Family
ID=55493697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511019063.2A Pending CN105414927A (en) | 2015-12-30 | 2015-12-30 | Device for reducing assembling deformation of dry cylinder liner and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105414927A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538424A (en) * | 2016-06-28 | 2018-01-05 | 中国二十冶集团有限公司 | Replacing and restorative procedure for sliding bearing group labyrinth seal piece |
| CN107855754A (en) * | 2016-09-22 | 2018-03-30 | 宝山钢铁股份有限公司 | The erecting device and application method of automatic fixed width hydraulic cylinder displacement transducer assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4707900A (en) * | 1986-10-09 | 1987-11-24 | Burlington Northern Railroad Co. | Cylinder liner sleeve puller |
| CN201439164U (en) * | 2009-07-28 | 2010-04-21 | 广西玉柴机器股份有限公司 | Press mounting device of cylinder liner of engine |
| CN201922227U (en) * | 2010-12-15 | 2011-08-10 | 东风朝阳柴油机有限责任公司 | Press-mounting tool for engine cylinder jackets |
| CN202655878U (en) * | 2012-06-26 | 2013-01-09 | 广西玉柴机器股份有限公司 | Assembly device for dry cylinder sleeve of diesel engine |
| CN104015030A (en) * | 2014-06-18 | 2014-09-03 | 安徽江淮汽车股份有限公司 | Pressing device of cylinder sleeve |
| CN205325116U (en) * | 2015-12-30 | 2016-06-22 | 广西玉柴机器股份有限公司 | Reduce device that dry cylinder liner assembly is warp |
-
2015
- 2015-12-30 CN CN201511019063.2A patent/CN105414927A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4707900A (en) * | 1986-10-09 | 1987-11-24 | Burlington Northern Railroad Co. | Cylinder liner sleeve puller |
| CN201439164U (en) * | 2009-07-28 | 2010-04-21 | 广西玉柴机器股份有限公司 | Press mounting device of cylinder liner of engine |
| CN201922227U (en) * | 2010-12-15 | 2011-08-10 | 东风朝阳柴油机有限责任公司 | Press-mounting tool for engine cylinder jackets |
| CN202655878U (en) * | 2012-06-26 | 2013-01-09 | 广西玉柴机器股份有限公司 | Assembly device for dry cylinder sleeve of diesel engine |
| CN104015030A (en) * | 2014-06-18 | 2014-09-03 | 安徽江淮汽车股份有限公司 | Pressing device of cylinder sleeve |
| CN205325116U (en) * | 2015-12-30 | 2016-06-22 | 广西玉柴机器股份有限公司 | Reduce device that dry cylinder liner assembly is warp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538424A (en) * | 2016-06-28 | 2018-01-05 | 中国二十冶集团有限公司 | Replacing and restorative procedure for sliding bearing group labyrinth seal piece |
| CN107538424B (en) * | 2016-06-28 | 2019-06-14 | 中国二十冶集团有限公司 | Replacement and restorative procedure for sliding bearing group labyrinth seal piece |
| CN107855754A (en) * | 2016-09-22 | 2018-03-30 | 宝山钢铁股份有限公司 | The erecting device and application method of automatic fixed width hydraulic cylinder displacement transducer assembly |
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Application publication date: 20160323 |
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