CN108247330A - Integral hydraulic strainer - Google Patents
Integral hydraulic strainer Download PDFInfo
- Publication number
- CN108247330A CN108247330A CN201711463285.2A CN201711463285A CN108247330A CN 108247330 A CN108247330 A CN 108247330A CN 201711463285 A CN201711463285 A CN 201711463285A CN 108247330 A CN108247330 A CN 108247330A
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- CN
- China
- Prior art keywords
- hydraulic
- upper bracket
- lower carriage
- hoist cable
- distributor
- Prior art date
- 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
- B23P19/069—Multi-spindle machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of integral hydraulic strainer, including playing hoist cable, upper bracket, lower carriage, support, multiple dampers, multiple hydraulic elongators and distributor, the upper bracket is located at the top of the lower carriage, described hoist cable is connected to the top of the upper bracket, the multiple damper is fixedly connected between the upper bracket and lower carriage and is circumferentially uniformly distributed, the multiple hydraulic elongator is hung on the damper and can connect simultaneously tensioning cylinder lid stud correspondingly respectively, the distributor is mounted on the upper bracket, it is connect respectively with each hydraulic elongator by high-pressure hose, it is described to support the lower part for being connected to the lower carriage.The present invention pumps tightly 8 cylinder head studs on same cylinder simultaneously, so as to make cylinder head stud uniform force, avoids the inefficient operation of repetition, has achieved the effect that reduce task difficulty and has improved productive labor efficiency.
Description
Technical field
The present invention relates to the assembling works of marine diesel component, and in particular to a kind of to be used for what multiple bolts were locked simultaneously
Integral hydraulic strainer belongs to diesel engine manufacturing technology field.
Technical background
The cylinder cap connection of marine low speed diesel engine is generally made of circumferentially equally distributed eight bolts, and connection bolt leads to
Normal diameter is thick, and weight is big, and more demanding to the tensile force of marine low speed diesel engine cylinder cap.Using conventional torque tensioning side
It is larger that formula carries out the cylinder cap of marine low speed diesel engine connection bolt tensioning difficulty, and bolt is tightened one by one, will also result in
The situation of cylinder cap unbalance stress.It is same eight cylinder caps of marine low speed diesel engine can be connected bolt there is presently no a kind of device
Shi Jinhang is accurately tensioned.
The tensioning mode of the cylinder cap connection bolt of current most common marine low speed diesel engine is by single hydraulic tensioning
Device carries out hydraulic tensioning to the cylinder cap connection bolt of marine low speed diesel engine, however there are many defects for this method：
1. tensile force of defect is uneven.
Hydraulic tensioning is carried out to the cylinder cap connection bolt of marine low speed diesel engine with single hydraulic elongator, will certainly be made
Into the discontinuity of bolt；Non-uniform stress may result in cylinder cap and generate detonation, the harm of scuffing of cylinder bore in use,
The service life of cylinder cap is reduced, and there are security risks.
Defect 2. installs inconvenience.
The diameter of the cylinder cap connection bolt of marine low speed diesel engine is thick, and tensile force is big, the matched hydraulic elongator volume of institute
Greatly, weight is also big, during installation, it is necessary to lifting appliance be used to carry out installation exercise.The cylinder cap of marine low speed diesel engine is connected
Bolt needs eight lifting installation exercises, and installation exercise is cumbersome, and the duplication of labour is more.
Invention content
The technical problems to be solved by the invention are to overcome the prior art can not be on one cylinder of marine low speed diesel engine
Eight cylinder cap connection bolts are carried out at the same time hydraulic tensioning, and hydraulic elongator can only be single to eight according to specific tensioning sequence
Bolt carries out hydraulic tensioning one by one, causes the defects of bolt strained uneven, installation workload is big, provides one kind and is easily installed,
Integral hydraulic strainer simple in structure can be carried out at the same time tensioning to eight cylinder cap connection bolts on same cylinder, with
Ensure cylinder cap uniform stressed, and achieve the effect that improve operating efficiency.
To achieve the above object, the technical solution that the present invention uses is as follows：
A kind of integral hydraulic strainer, it is characterised in that：The hydraulic tensioning mechanism included hoist cable, upper bracket,
Lower carriage, support, multiple dampers, multiple hydraulic elongators and distributor, the upper bracket are located at the top of the lower carriage,
Described hoist cable is connected to the top of the upper bracket, and the multiple damper is fixedly connected between the upper bracket and lower carriage
And be circumferentially uniformly distributed, the multiple hydraulic elongator is hung on the damper and can be connected correspondingly respectively
And tensioning cylinder lid stud, the distributor be mounted on the upper bracket on, by high-pressure hose respectively with each hydraulic elongator
Connection, it is described to support the lower part for being connected to the lower carriage.
Further, four lifting chains for playing hoist cable and including hanging ring and being connected on the hanging ring, this plays chain sling
Item is made of shackle, chain and hoist cable screw, which connect with the upper bracket.
Further, the upper bracket is circular frame structure, is welded by round band steel and eight upper junction plates,
Eight upper junction plates are circumferentially distributed evenly in the lower part of the circle band steel.
Further, the lower carriage is welded by circular ring shape band steel, four pipes and eight lower connecting plates, this eight
A lower connecting plate is circumferentially distributed evenly in the top of the circular ring shape band steel, and the pipe is vertically connected to the circular ring shape
The lower part of band steel, lower end offer cross through hole.
Further, the support is tubular component, is plugged in the pipe of the lower carriage, by passing through the circle
The support and the lower carriage are relatively fixed by the pin of the cross through hole of pipe.
Further, the cross through hole is equipped with multiple, is equidistantly distributed on the pipe up and down.
Further, the damper is bolted the hydraulic elongator by hoist cable, is carried to the hydraulic elongator
For upward pulling force.
Further, the distributor includes distributor body and nine quick couplings, forms one into eight hydraulic oil gone out
Channel.
Compared with prior art, the beneficial effects of the invention are as follows：Realize the eight of the same cylinder of marine low speed diesel engine
It is tensioned while a cylinder cap connection bolt, ensure that cylinder cap uniform stressed, and easy to operate, improve productive labor efficiency,
Only once the tensioning of whole bolts can be realized in lifting.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is one of mode of operation figure of the present invention.
Fig. 3 is the two of mode of operation figure of the present invention.
In figure,
1-hoist cable, 2-upper bracket, 3-lower carriage, 4-support, 5-damper, 6-hydraulic elongator, 7-distribution
Device, 8-high-pressure hose, 9-pin.
Specific embodiment
Further specific be described in detail, but therefore cannot limit this is done to the present invention with reference to the accompanying drawings and examples
The claimed range of invention.
Please refer to Fig.1 schematic structural view of the invention, it is illustrated that integral hydraulic strainer is used for marine low speed diesel engine cylinder
The tensioning of bonnet bolt, it is high including playing hoist cable 1, upper bracket 2, lower carriage 3, support 4, damper 5, hydraulic elongator 6, distributor 7
Press hose 8 and pin 9.
Described hoist cable 1 is located at the top of integral hydraulic strainer, by a hanging ring and four lifting chain groups
Into lifting chain is made of shackle, chain and lifting bolt, which connect with the upper bracket 2.The upper bracket 2
Positioned at described 1 lower section of hoist cable, it is welded to form by a round band steel and eight upper junction plates；Eight upper junction plates are distributed on circle
On shape band steel.The lower carriage 3 is made of, four circles a circular ring shape band steel, four pipes and eight lower connecting plate welding
Pipe and eight lower connecting plates are evenly distributed on circular ring shape band steel, and the lower end of four pipes is provided with through-hole.The support 4 is by one
Pipe and disk composition, disk are welded in pipe lower end, and equidistant on pipe to be provided with multiple cross through hole, four with the support 4
It is inserted into respectively in the pipe of the lower carriage 3.The pin 9 is used to fix the lower carriage 3 and the support 4.Integrated liquid
Strainer is pressed to be equipped with eight dampers 5, the damper 5 is made of damper body and hoist cable bolt, is fixedly connected on institute
It states between upper bracket 2 and lower carriage 3 and is circumferentially uniformly distributed, the top of the damper 5 and the upper connection of the upper bracket 2
Plate connects, and the lower part of the damper 5 is connect with the lower connecting plate of the lower carriage 3.The hydraulic elongator 6 is used for tensioning cylinder
Bonnet bolt, the damper 5 are bolted the hydraulic elongator 6 by included hoist cable, and the recycling power of the damper 5 must
The weight of the hydraulic elongator 6 must be more than, facilitate the dismounting of the hydraulic elongator 6.The distributor 7 is by one one into eight
The distributor body gone out and nine quick coupling compositions, the distributor 7 are bolted on the band steel of the upper bracket 2.
The high-pressure hose 8 connects the distributor 7 and the hydraulic elongator 6 respectively.The pin 9 is used to connect the support 4
With the lower carriage 3.
The specific method step that integral hydraulic strainer of the present invention uses is as follows, sees Fig. 2 and Fig. 3：
A, hoist cable 1 has been hooked by lifting appliance, integral hydraulic strainer has been hoisted to above cylinder cap, hydraulic tensioning
The connection bolt alignment of device 6 and cylinder cap, integral hydraulic strainer is landed on cylinder cap.
B, the height distance between adjustment support 4 and lower carriage 3, is fixed with pin 9.
C, hydraulic elongator 6 is installed on cylinder bolt, distributor 7 connects external high pressure oil, and liquid is carried out to cylinder bolt
Pressure tensioning.
D, after completing tensioning operation, external high pressure oil from distributor 7 is disconnected, removes hydraulic elongator 6, damper 5
Hydraulic elongator 6 is recovered to initial position automatically.
Presently preferred embodiments of the present invention is above are only, is not used for limiting the practical range of the present invention, Fan Yibenfa
The equivalent changes and modifications that bright content is made all should be the range that the present patent application is claimed.
The present invention is evenly distributed to the hydraulic tensioning of marine low speed diesel engine cylinder cap connection bolt with tensile force, lifting peace
The advantages of facilitating is filled, it is convenient that the installation maintenance of current large-scale marine low speed diesel engine is provided.
Claims (8)
1. a kind of integral hydraulic strainer, it is characterised in that：The hydraulic tensioning mechanism included hoist cable, upper bracket, under
Stent, support, multiple dampers, multiple hydraulic elongators and distributor, the upper bracket are located at the top of the lower carriage, institute
Stated the top that hoist cable is connected to the upper bracket, the multiple damper be fixedly connected between the upper bracket and lower carriage and
It is circumferentially uniformly distributed, the multiple hydraulic elongator is hung on the damper and can be connected simultaneously correspondingly respectively
Tensioning cylinder lid stud, the distributor are mounted on the upper bracket, are connected respectively with each hydraulic elongator by high-pressure hose
It connects, it is described to support the lower part for being connected to the lower carriage.
2. integral hydraulic strainer according to claim 1, it is characterised in that：It is described rise hoist cable include hanging ring and
Four lifting chains being connected on the hanging ring, the lifting chain are made of shackle, chain and hoist cable screw, the hoist cable screw with
The upper bracket connection.
3. integral hydraulic strainer according to claim 1, it is characterised in that：The upper bracket is circular frame
Structure is welded by round band steel and eight upper junction plates, which is circumferentially distributed evenly in the circle
The lower part of band steel.
4. integral hydraulic tensioning device according to claim 1 is set up, it is characterised in that：The lower carriage is by circular ring shape
Band steel, four pipes and eight lower connecting plates are welded, which is circumferentially distributed evenly in the circular ring shape
The top of band steel, the pipe are vertically connected to the lower part of the circular ring shape band steel, and lower end offers cross through hole.
5. integral hydraulic strainer according to claim 4, it is characterised in that：The support is tubular structure
Part is plugged in the pipe of the lower carriage, by pass through the pipe cross through hole pin by it is described support and it is described under
Stent is relatively fixed.
6. integral hydraulic strainer according to claim 4, it is characterised in that：The cross through hole is equipped with more
It is a, it is equidistantly distributed on the pipe up and down.
7. integral hydraulic strainer according to claim 1, it is characterised in that：The damper passes through hoist cable spiral shell
It tethers and connects the hydraulic elongator, upward pulling force is provided to the hydraulic elongator.
8. integral hydraulic strainer according to claim 4, it is characterised in that：The distributor includes distributor
Body and nine quick couplings form one into eight hydraulic oil channel gone out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463285.2A CN108247330A (en) | 2017-12-28 | 2017-12-28 | Integral hydraulic strainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711463285.2A CN108247330A (en) | 2017-12-28 | 2017-12-28 | Integral hydraulic strainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108247330A true CN108247330A (en) | 2018-07-06 |
Family
ID=62724438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711463285.2A Withdrawn CN108247330A (en) | 2017-12-28 | 2017-12-28 | Integral hydraulic strainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108247330A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180781A (en) * | 1984-02-29 | 1985-09-14 | 北海道電力株式会社 | Hanging type bolt stretcher |
| CN200957544Y (en) * | 2006-10-11 | 2007-10-10 | 钱宗荣 | Hydraulic bolt tensioner |
| CN201986963U (en) * | 2010-11-30 | 2011-09-28 | 广州康耐登家居用品有限公司 | Tea table |
| 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 |
| CN104647017A (en) * | 2014-12-31 | 2015-05-27 | 中联重科股份有限公司 | Auxiliary device for installing and removing bolt |
| CN106181926A (en) * | 2016-08-31 | 2016-12-07 | 润邦卡哥特科工业有限公司 | Lifting type workbench for the assembling of crane pedestal |
| CN108044342A (en) * | 2017-12-25 | 2018-05-18 | 上海中船三井造船柴油机有限公司 | For the tight device and method of pump of diesel engine cylinder lid for ship stud |
-
2017
- 2017-12-28 CN CN201711463285.2A patent/CN108247330A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180781A (en) * | 1984-02-29 | 1985-09-14 | 北海道電力株式会社 | Hanging type bolt stretcher |
| CN200957544Y (en) * | 2006-10-11 | 2007-10-10 | 钱宗荣 | Hydraulic bolt tensioner |
| CN201986963U (en) * | 2010-11-30 | 2011-09-28 | 广州康耐登家居用品有限公司 | Tea table |
| 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 |
| CN104647017A (en) * | 2014-12-31 | 2015-05-27 | 中联重科股份有限公司 | Auxiliary device for installing and removing bolt |
| CN106181926A (en) * | 2016-08-31 | 2016-12-07 | 润邦卡哥特科工业有限公司 | Lifting type workbench for the assembling of crane pedestal |
| CN108044342A (en) * | 2017-12-25 | 2018-05-18 | 上海中船三井造船柴油机有限公司 | For the tight device and method of pump of diesel engine cylinder lid for ship stud |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180706 |