CN108044342A - For the tight device and method of pump of diesel engine cylinder lid for ship stud - Google Patents
For the tight device and method of pump of diesel engine cylinder lid for ship stud Download PDFInfo
- Publication number
- CN108044342A CN108044342A CN201711416701.3A CN201711416701A CN108044342A CN 108044342 A CN108044342 A CN 108044342A CN 201711416701 A CN201711416701 A CN 201711416701A CN 108044342 A CN108044342 A CN 108044342A
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- CN
- China
- Prior art keywords
- pump
- cylinder head
- stud
- tight
- hydraulic
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- 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.)
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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
- B23P19/04—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 assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
Abstract
A kind of tight device of pump for diesel engine cylinder lid for ship stud, including annular firm banking, boom hoisting, multiple speed brake fixators, multiple hydraulic elongators and hydraulic oil distribution block, the boom hoisting is located at the top of the annular firm banking, the multiple speed brake fixator is fixedly connected between the annular firm banking and boom hoisting and is circumferentially uniformly distributed, the multiple hydraulic elongator is hung on the suspension hook of the fast brake fixator and can connect and pump tight cylinder head stud correspondingly respectively, the hydraulic oil distribution block is mounted on the boom hoisting, it is connected respectively with each hydraulic elongator by high-pressure oil pipe.The present invention pumps multiple cylinder head studs on same cylinder tight simultaneously, so that cylinder head stud uniform force, ensure cylinder head and the leakproofness and security of cylinder jacket installation, it avoids the repeated disassembled and assembled on same cylinder and pumps the tight poorly efficient operation of repetition, achieved the effect that improve installation accuracy, reduce task difficulty and improve productive labor efficiency.
Description
Technical field
The present invention relates to the assembling works of marine diesel component, and in particular to for the pump of diesel engine cylinder lid for ship stud
Tight device and method belongs to diesel engine manufacturing technology field.
Technical background
Diesel engine cylinder head for ship is mounted at the top of the in vivo cylinder sleeve of cylinder, and burning is collectively constituted with cylinder sleeve and piston
Room, and be the important feature of marine diesel for installing the components such as air bleeding valve, fuel injector, priming valve, safety valve, indicator valve
Component.It please refers to Fig.1, it is generally the case that cylinder head 3 is 8 cylinder head studs 4 and the cylinder by being tightened in cylinder block 1
The pump of box nut 5 is fastened in cylinder jacket 2, and so-called herein " pump is tight " refers to be screwed cylinder head nut 5 with hydraulic elongator
On cylinder head stud 4.The pump of cylinder head stud 4 and cylinder head nut 5 tightly whether, directly influence cylinder head 3 and cylinder jacket 2
Sealing whether, dress parts normal use on the head 3 whether and whether safety of marine diesel when running, such as
There is the accident that the explosion of cylinder head 3 can even occur for carelessness.
The pump clamping method of existing diesel engine cylinder head for ship stud is as follows：
1st, first multiple cylinder head studs 4 are screwed in successively in the cylinder block thread hole for having installed cylinder jacket 2；
2nd, cylinder head 3 is hung in cylinder jacket 2, the through hole installation that cylinder head stud 4 is made to be each passed through in cylinder head 3；
3rd, in 4 top installation cylinder head nut 5 of cylinder head stud, hand Screw cylinder head nut 5 is allowed to be pressed on cylinder
In the upper plane of lid 3；
4th, using two hydraulic elongators along cylinder head 3 the cylinder head nut 5 of central symmetry direction Beng Jin both sides 2 to will
Seek pressure；
5th, the two hydraulic elongators are removed, successively pump it is tight remaining it is several to cylinder head nut 5 to requiring pressure；
6th, it is discontinuity when avoiding each pair of cylinder head nut 5 from pumping tight, reuses hydraulic elongator to each pair cylinder head
Nut 5 pumps tight detection one time again, confirms that pump is tight to requiring pressure and 5 non-loosening situation of each group cylinder head nut.
Using above-mentioned diesel engine cylinder head for ship nut pump clamping method when, there are following drawbacks：
1) each in same cylinder head is that pump is tight respectively to symmetrical cylinder head nut, at this point, can cause each cylinder head spiral shell
Uneven, the security that cylinder head uses when influencing diesel engine operation of column stress；
2) the phenomenon that each stud discontinuity can cause cylinder head, cylinder jacket poor sealing in cylinder head, so as to influence
The performance of diesel engine；
3) when multipair cylinder head nut pumps tight in cylinder head, manpower installation transportation by lighter hydraulic elongator, hydraulic tensioning need to be used
The amount of thinking highly of is larger, adds task difficulty；
4) hydraulic elongator device need to remove and install repeatedly, expend the substantial amounts of activity duration, and operating efficiency is low.
The content of the invention
More efficient convenient, safe and reliable diesel engine cylinder lid for ship stud is used for it is an object of the present invention to provide a kind of
The tight device and method of pump, being grouped into for cylinder head stud is pumped tightly simultaneously to pumping tight operations improvement for multiple cylinder head studs,
Make cylinder head stud uniform stressed, it is ensured that cylinder head and the leakproofness and security of cylinder jacket installation, while avoid hydraulic tensioning
Device tight poorly efficient operation of repetition of being dismounted for multiple times, pump in same cylinder head improves cylinder head stud installation accurately so as to reach
Degree reduces task difficulty, reduces the holding time of installation equipment and improves the purpose of productive labor efficiency.
To achieve the above object, the technical solution that the present invention uses is as follows：
A kind of tight device of pump for diesel engine cylinder lid for ship stud, including annular firm banking, boom hoisting, multiple speed
Brake fixator, multiple hydraulic elongators and hydraulic oil distribution block, the boom hoisting are located at the top of the annular firm banking,
The multiple speed brake fixator is fixedly connected between the annular firm banking and boom hoisting and is circumferentially uniformly distributed, described
Multiple hydraulic elongators are hung on the suspension hook of the fast brake fixator and can connect and pump tight cylinder correspondingly respectively
Lid stud, the hydraulic oil distribution block are mounted on the boom hoisting, are connected respectively with each hydraulic elongator by high-pressure oil pipe
It connects.
Further, the annular firm banking includes support feet, support post, annular slab and u-bracket, Ruo Gansuo
The downside that support post is fixedly connected on the annular slab is stated, each support post extends downwardly one support feet of connection,
Multiple u-brackets are fixed on the upper side of the annular slab and are connected with the fast brake fixator.
Further, the support feet is equipped with the mounting hole of different spacing, to carry out the annular firm banking
Highly adjust.
Further, the boom hoisting includes banger ring together and Duo Gen lifting slide fasteners, described to lift by crane edge on iron hoop
Multiple lifting bolts are distributed with, the more lifting chains pass through the plurality of lifting bolt and the lifting iron hoop even circumferential
It connects and flatly slings the lifting iron hoop.
Further, the quantity of the fast brake fixator is consistent with the quantity of hydraulic elongator.
The present invention another technical solution be：
A kind of pump clamping method for diesel engine cylinder lid for ship stud realized by the tight device of said pump, feature exist
In：Multiple cylinder head studs of marine diesel are pumped tightly simultaneously, concrete operation step is as follows：
1) multiple hydraulic elongators are fixed on the fast brake fixator of the tight device of pump, this is pumped using lifting appliance
Tight device moves to be pumped on tight cylinder head station；
2) high-pressure oil pipe of hydraulic pump is connected on the hydraulic oil distribution block, reviews and validate No leakage situation；
3) each hydraulic elongator is mounted on cylinder head stud, using the tight device of the pump simultaneously to all cylinder head studs
It pumps simultaneously tightly to required pump compaction forces；
4) hydraulic pressure of the hydraulic elongator is discharged, step 3) is repeated and all cylinder head studs is pumped with tight detection
One time；
5) hydraulic elongator dismantled on each cylinder head stud, the then tight operation of cylinder head stud pump of the cylinder are completed；
6) the tight device lifting of the pump is moved on the tight cylinder head station of another required pump, repeats step 2) to step
5), until the cylinder head stud of all cylinders pumps tight operation and completes.
Compared with prior art, the beneficial effects of the invention are as follows：
1) while to multiple cylinder head studs of a cylinder carry out pumping tight operation, the installation for improving cylinder head stud is accurate
Exactness meets predetermined pump compaction forces, and is conducive to the fixation of cylinder head；
2) flow chart is simplified, reduces task difficulty, reduces a large amount of repetition operations, reduces accounting for for installation equipment
With the time and improve productive labor efficiency；
3) improve cylinder cover for diesel engine and fix the security used and the leakproofness of cylinder cap cylinder sleeve, run diesel engine
It is more safe and reliable.
Description of the drawings
Fig. 1 is the mounting structure schematic diagram of cylinder head.
Fig. 2 is the device of the invention structure diagram.
Fig. 3 is the schematic diagram of annular firm banking.
Fig. 4 is the schematic diagram of annular slab.
Fig. 5 is the front view of u-bracket.
Fig. 6 is the sectional view of u-bracket.
Fig. 7 is the schematic diagram of boom hoisting.
Fig. 8 is the schematic diagram of fast brake fixator.
Fig. 9 is flow chart of the method for the present invention.
Figure 10 is the job state figure of the present invention.
In figure, 1-cylinder block, 2-cylinder jacket, 3-cylinder head, 4-cylinder head stud, 5-cylinder head nut, A-ring
Shape firm banking, B-boom hoisting, C-speed brake fixator, D-high-pressure oil pipe, E-hydraulic elongator, F-hydraulic oil distribution
Block, A1-support feet, A2-support post, A3-annular slab, A4-u-bracket, B1-lifting chain, B2-lifting iron hoop,
B3-lifting bolt.
Specific embodiment
The present invention pumps tight diesel engine cylinder head for ship stud while providing a kind of more flexible convenient, safe and reliable, efficient
Device with pump clamping method, cylinder head stud be grouped into pump be tightly improved to multiple cylinder head studs simultaneously pump tightly.
Further specific detailed description is done to the present invention with reference to the accompanying drawings and examples, but therefore cannot limit this
The claimed scope of invention.
As shown in Fig. 2, the pump tight device of the present invention for diesel engine cylinder lid for ship stud includes annular firm banking
A, boom hoisting B, multiple fast brake fixator C, multiple hydraulic elongator E and hydraulic oil distribution block F.
Referring to Fig. 3, the annular firm banking A is the main body of the tight device of the pump, if annular firm banking A includes
Heavenly Stems and Earthly Branches spike A1, several support post A2, annular slab A3 and several u-bracket A4.The support post A2 is fixedly connected on institute
The downside of annular slab A3 is stated, each support post A2 extends downwardly the one support feet A1 of connection, makes for the tight device of this pump
The fixation of used time.The support feet A1 is equipped with the mounting hole of different spacing, can carry out the height of the annular firm banking A
Degree is adjusted, suitable for the operation of different phase.Multiple through holes and U-shaped hole (see Fig. 4) are provided on the annular slab A3, it is U-shaped
For installing u-bracket A4, maintenance easy to disassemble, through hole passes through convenient for the steel wire of the fast brake fixator C in hole；The U-shaped branch
Frame A4 is fixed on the upper side of the annular slab A3, for the fast brake fixator C of the connection, referring to Fig. 5 and Fig. 6, the u-bracket
It is set on A4 there are two through hole and a threaded hole, for installing the fast brake fixator C, a threaded hole is used for two through holes
It is fixed on the annular slab A3.
The boom hoisting B is located at the top of the annular firm banking A, for the tight device of pump described in integral lifting；Please
Refering to Fig. 7, boom hoisting B lifts by crane circumferentially equal on slide fastener B1, the lifting iron hoop B2 including banger ring B2 and Duo Gen together
Multiple lifting bolt B3 are distributed with evenly, the more lifting chain B1 pass through the plurality of lifting bolt B3 and the lifting iron hoop
B2 connections simultaneously flatly sling lifting iron hoop B2.
The multiple speed brake fixator C is fixedly connected between the annular firm banking A and boom hoisting B and circumferentially
It is uniformly distributed, speed brake fixator C links together boom hoisting B and annular firm banking A, quantity and hydraulic tensioning
The quantity of device E is consistent.The multiple hydraulic elongator E is hung by steel wire rope correspondingly respectively in the fast brake fixator
On the suspension hook of C and it can connect and pump tight cylinder head stud.Referring to Fig. 8, the speed brake fixator C has instantaneous tensioning work(
Can, it can prevent hydraulic elongator E accidental fallings from damaging.
Referring to Fig. 2, the hydraulic oil distribution block F passes through high pressure on the lifting iron hoop B2 of the boom hoisting B
Oil pipe D is connected respectively with each hydraulic elongator E.Hydraulic oil, to each hydraulic elongator E, realizes each liquid by hydraulic oil distribution block F
The function of tight operation is pumped while pressing stretcher E.
Pump is tight while can realizing marine diesel multiple cylinder head studs by the tight device of said pump, concrete operations
Step is following (see Fig. 9)：
1) multiple hydraulic elongator E are fixed on the fast brake fixator C of the tight device of pump, using lifting appliance this
Tight device is pumped to move to be pumped on tight cylinder head station；
2) high-pressure oil pipe of hydraulic pump is connected on the hydraulic oil distribution block F, reviews and validate No leakage situation, it please
Refering to Figure 10；
3) each hydraulic elongator E is mounted on cylinder head stud, using the tight device of the pump simultaneously to all cylinder head spiral shells
Column is pumped tightly simultaneously to required pump compaction forces；
4) hydraulic pressure of the hydraulic elongator E is discharged, step 3) is repeated and all cylinder head studs is pumped with tight inspection
It surveys one time；
5) the hydraulic elongator E to dismantle on each cylinder head stud, the then tight operation of cylinder head stud pump of the cylinder are completed；
6) the tight device lifting of the pump is moved on the tight cylinder head station of another required pump, repeats step 2) to step
5), until the cylinder head stud of all cylinders pumps tight operation and completes.
Presently preferred embodiments of the present invention is above are only, is not used for limiting protection scope of the present invention.The present invention will
The protection domain asked should also be included to obvious conversion of the invention and alternative solution.
Claims (6)
1. a kind of tight device of pump for diesel engine cylinder lid for ship stud, it is characterised in that：It is solid that the tight device of pump includes annular
Determine pedestal, boom hoisting, multiple fast brake fixators, multiple hydraulic elongators and hydraulic oil distribution block, the boom hoisting to be located at
The top of the annular firm banking, the multiple speed brake fixator be fixedly connected on the annular firm banking and boom hoisting it
Between and be circumferentially uniformly distributed, the multiple hydraulic elongator hangs the suspension hook in the fast brake fixator correspondingly respectively
Above and it can connect and pump tight cylinder head stud, the hydraulic oil distribution block is mounted on the boom hoisting, passes through high pressure oil
Pipe is connected respectively with each hydraulic elongator.
2. the pump tight device according to claim 1 for diesel engine cylinder lid for ship stud, it is characterised in that：The ring
Shape firm banking includes support feet, support post, annular slab and u-bracket, and several support posts are fixedly connected on described
The downside of annular slab, each support post extend downwardly one support feet of connection, and multiple u-brackets are fixed on described
It the upper side of annular slab and is connected with the fast brake fixator.
3. the pump tight device according to claim 2 for diesel engine cylinder lid for ship stud, it is characterised in that：The branch
Spike is equipped with the mounting hole of different spacing, is adjusted with the height for carrying out the annular firm banking.
4. the pump tight device according to claim 1 for diesel engine cylinder lid for ship stud, it is characterised in that：Described rises
Device for hoisting includes banger ring together and Duo Gen lifting slide fasteners, and multiple hanging ring spiral shells have circumferentially been evenly distributed on the lifting iron hoop
Nail, the more lifting chains are connected with the lifting iron hoop by the plurality of lifting bolt and flatly hang the lifting iron hoop
It rises.
5. the pump tight device according to claim 1 for diesel engine cylinder lid for ship stud, it is characterised in that：The speed
The quantity of brake fixator is consistent with the quantity of hydraulic elongator.
6. a kind of pump clamping method for diesel engine cylinder lid for ship stud realized by pumping tight device described in claim 1,
It is characterized in that：Multiple cylinder head studs of marine diesel are pumped tightly simultaneously, concrete operation step is as follows：
1) multiple hydraulic elongators are fixed on the fast brake fixator of the tight device of pump, the pump is tightly filled using lifting appliance
It puts and moves to be pumped on tight cylinder head station；
2) high-pressure oil pipe of hydraulic pump is connected on the hydraulic oil distribution block, reviews and validate No leakage situation；
3) each hydraulic elongator is mounted on cylinder head stud, using the tight device of the pump while to all cylinder head studs simultaneously
Pump is tightly to required pump compaction forces；
4) hydraulic pressure of the hydraulic elongator is discharged, step 3) is repeated and all cylinder head studs is pumped with tight detection one
Time；
5) hydraulic elongator dismantled on each cylinder head stud, the then tight operation of cylinder head stud pump of the cylinder are completed；
6) the tight device lifting of the pump is moved on the tight cylinder head station of another required pump, repetition step 2) to step 5), directly
Cylinder head stud to all cylinders pumps tight operation completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711416701.3A CN108044342A (en) | 2017-12-25 | 2017-12-25 | For the tight device and method of pump of diesel engine cylinder lid for ship stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711416701.3A CN108044342A (en) | 2017-12-25 | 2017-12-25 | For the tight device and method of pump of diesel engine cylinder lid for ship stud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108044342A true CN108044342A (en) | 2018-05-18 |
Family
ID=62131100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711416701.3A Withdrawn CN108044342A (en) | 2017-12-25 | 2017-12-25 | For the tight device and method of pump of diesel engine cylinder lid for ship stud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108044342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247330A (en) * | 2017-12-28 | 2018-07-06 | 上海中船三井造船柴油机有限公司 | Integral hydraulic strainer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1058340A (en) * | 1996-04-04 | 1998-03-03 | Man B & W Diesel As | Device for facilitating screw fastening and loosening |
| EP1146993A1 (en) * | 1998-12-29 | 2001-10-24 | Atlas Copco Tools Ab | Method for pretensioning a joint containing two or more threaded fasteners |
| CN2923129Y (en) * | 2006-07-04 | 2007-07-18 | 陈荣华 | Cutting machine |
| CN202264061U (en) * | 2011-10-13 | 2012-06-06 | 淄博柴油机总公司 | Stretcher for cylinder cover of medium speed diesel engine for ship |
| CN103537893A (en) * | 2013-10-25 | 2014-01-29 | 沪东重机有限公司 | Elongating tool for PC2-6 diesel engine cylinder head studs |
| CN203732956U (en) * | 2013-12-31 | 2014-07-23 | 中核武汉核电运行技术股份有限公司 | Automatic control system for integrated grouping synchronization bolt stretcher |
| CN106938388A (en) * | 2017-04-28 | 2017-07-11 | 大连嘉禾自控技术有限公司 | A kind of engine cylinder bonnet bolt tightening device |
-
2017
- 2017-12-25 CN CN201711416701.3A patent/CN108044342A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1058340A (en) * | 1996-04-04 | 1998-03-03 | Man B & W Diesel As | Device for facilitating screw fastening and loosening |
| EP1146993A1 (en) * | 1998-12-29 | 2001-10-24 | Atlas Copco Tools Ab | Method for pretensioning a joint containing two or more threaded fasteners |
| CN2923129Y (en) * | 2006-07-04 | 2007-07-18 | 陈荣华 | Cutting machine |
| CN202264061U (en) * | 2011-10-13 | 2012-06-06 | 淄博柴油机总公司 | Stretcher for cylinder cover of medium speed diesel engine for ship |
| CN103537893A (en) * | 2013-10-25 | 2014-01-29 | 沪东重机有限公司 | Elongating tool for PC2-6 diesel engine cylinder head studs |
| CN203732956U (en) * | 2013-12-31 | 2014-07-23 | 中核武汉核电运行技术股份有限公司 | Automatic control system for integrated grouping synchronization bolt stretcher |
| CN106938388A (en) * | 2017-04-28 | 2017-07-11 | 大连嘉禾自控技术有限公司 | A kind of engine cylinder bonnet bolt tightening device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247330A (en) * | 2017-12-28 | 2018-07-06 | 上海中船三井造船柴油机有限公司 | Integral hydraulic strainer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |
|
| WW01 | Invention patent application withdrawn after publication |