CN110497357A - The accumulator disassembling fixture and method of cylinder of diesel engine hydraulic pressure unit - Google Patents
The accumulator disassembling fixture and method of cylinder of diesel engine hydraulic pressure unit Download PDFInfo
- Publication number
- CN110497357A CN110497357A CN201910879785.7A CN201910879785A CN110497357A CN 110497357 A CN110497357 A CN 110497357A CN 201910879785 A CN201910879785 A CN 201910879785A CN 110497357 A CN110497357 A CN 110497357A
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- China
- Prior art keywords
- accumulator
- cylinder
- anchor ear
- fan
- several
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 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
- 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
Abstract
The invention discloses a kind of accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit and method, disassembling fixture includes pedestal, lever and several piece sector hoop block, and pedestal includes cylinder and bottom plate, and cylinder port is evenly distributed with several piece accumulator locating piece；Accumulator lower half is supported on cylinder, in the corresponding flange deep gouge of accumulator locating piece embedded location.There are neutral gear between the end panel at fan-shaped hoop block both ends and the end panel of adjacent fan-shaped hoop block, several fan-shaped hoop blocks are fixedly connected into circular ring shape anchor ear by several bolt and nut groups.Method is the following steps are included: 1) on handling accumulator to pedestal, 2) circular ring shape anchor ear is located on accumulator, and 3) screw off the accumulator upper half.Disassembling fixture structure of the invention is simple, easy to use, and method is laborsaving easy, quickly and efficiently realizes the separation of the accumulator upper half and lower half, improves removal efficiency, it is ensured that accumulator is intact, solves the problems, such as that accumulator is dismantled.
Description
Technical field
The present invention relates to a kind of disassembling fixtures of Hydraulic Elements, more particularly to one kind is for repairing the hydraulic list of cylinder of diesel engine
Disassembling fixture and method when first, belong to engine maintenance technical field.
Background technique
Cylinder hydraulic pressure unit (HCU), which is marine low speed diesel engine, provides one critically important part of fuel oil, cylinder to cylinder
Accumulator in hydraulic pressure unit is storage hydraulic energy, absorbs the important liquid of the hydraulic shock generated when hydraulic system pressure variation
Element is pressed, cylinder hydraulic pressure unit discharges maximum hydraulic fluid flow rate by accumulator to ensure that fuel oil sprays.Accumulator 10 such as Fig. 1
Shown, the accumulator upper half 101 and accumulator lower half 102 are connected by screw thread 103, and 103 length of screw thread of coupling part
It is longer.
It needs to overhaul accumulator 10 after diesel engine long-play, at this moment needs to dismantle accumulator 10, due to storing
103 diameter of connection screw thread of the depressor upper half 101 and accumulator lower half 102 is big, length is long, rotates the accumulator upper half 101,
Separate it with accumulator lower half 102 more difficult.If striking accumulator 10 directly using tool to make the accumulator upper half 101
It producing relative rotation with accumulator lower half 102, is easily damaged accumulator, and connection screw thread 103 is longer, operation is highly difficult,
Do not pay attention to slightly being also possible to that safety accident can be generated.
Summary of the invention
The object of the present invention is to provide the disassembling fixture and method of a kind of cylinder of diesel engine hydraulic pressure unit accumulator, solve to store
The disassembly problem of depressor.
The present invention is achieved by the following technical programs:
A kind of accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit, including pedestal, lever and several piece enclose circular ring shape
Fan-shaped hoop block, the pedestal includes cylinder and bottom plate, and the cylinder lower end is vertically fixed on bottom plate, and cylinder port is equal
Cloth several piece accumulator locating piece；Accumulator lower half is supported on cylinder, and several flanges of accumulator lower half flange outer periphery are heavy
Slot and several piece accumulator locating piece position correspond, in the corresponding flange deep gouge of accumulator locating piece embedded location；Sector is embraced
There are neutral gears between the end panel at hoop body block both ends and the end panel of adjacent fan-shaped hoop block, several to pass across respectively
Several fan-shaped hoop blocks are fixedly connected into circular ring shape anchor ear by the bolt and nut group of fan-shaped hoop block adjacent end portion plate.
The purpose of the present invention further realizes by the following technical programs:
Further, the accumulator locating piece is in the flange deep gouge of inverted L-shaped, accumulator locating piece width and depth and accumulator
Width and depth matching.
Further, the inner circle of the circular ring shape anchor ear holds the circular ring shape anchor ear on the outer peripheral surface of the accumulator upper half tightly
Bottom is resisted against on accumulator lower half end surface；Fan-shaped hoop block extends radially outside out slide block, the slide block outside
Equipped with counterbore, lever one end is inserted into counterbore.
Further, the several anchor ear locating pieces of inner circle radial equipartition of the fan-shaped hoop block, the anchor ear locating piece
Width and depth matched with the width of several deep gouges of accumulator upper half flange and depth, the positioning of the anchor ear of circular ring shape anchor ear
Block is respectively embedded into the deep gouge of corresponding accumulator upper half flange.
A kind of method for dismounting of the disassembling fixture using cylinder of diesel engine hydraulic pressure unit accumulator, comprising the following steps:
1) on handling accumulator to pedestal
After nitrogen has been released in accumulator, the quick coupling of accumulator is unloaded, screws on upper lift ring screw, simultaneously by accumulator handling
It steadily falls on the cylinder port of pedestal, several accumulator locating pieces of cylinder port are respectively embedded under the corresponding accumulator in position
In the flange deep gouge of half portion flange, it is located in accumulator on cylinder port.
2) circular ring shape anchor ear is located on accumulator
Anchor ear locating piece on several fan-shaped hoop blocks is sequentially embedded in the deep gouge of corresponding accumulator upper half flange,
And it is resisted against fan-shaped hoop block bottom on the upper, annular face of accumulator；Then the fan that several screw bolt passes are adjacent
The end panel of shape hoop block, and fastened with nut, so that several sector hoop blocks are fixedly connected into circular ring shape anchor ear, circle
The inner circle of annular anchor ear holds the outer peripheral surface of accumulator upper half flange tightly.
3) the accumulator upper half is screwed off
Lever one end is inserted into the counterbore on the outside of slide block, rotating lever, the accumulator upper half is driven by anchor ear locating piece
Rotation, after the accumulator upper half has completely disengaged accumulator lower half, hangs the accumulator upper half by lifting bolt, then
Carry out next step operation.
Disassembling fixture structure of the invention is simple, easy to use, is respectively embedded into position pair using several accumulator locating pieces
In the flange deep gouge for the accumulator lower half flange answered, the anchor ear locating piece of circular ring shape anchor ear is respectively embedded on corresponding accumulator
Structure in the deep gouge of half portion flange, so that circular ring shape anchor ear is located on the accumulator upper half, accumulator is located in cylinder end
On mouth.Method of the invention is laborsaving easy, and rotating lever can drive the accumulator upper half and accumulator by circular ring shape anchor ear
Lower half relatively rotates, to realize the separation rapidly and efficiently of the accumulator upper half and lower half, improves removal efficiency, really
It is intact to protect accumulator, solves the problems, such as that accumulator is dismantled.
The advantages and features of the present invention will be illustrated and explained by the non-limitative illustration of following preferred embodiment, this
A little embodiments only provide as an example referring to attached drawing.
Detailed description of the invention
Fig. 1 is the main view of accumulator；
Fig. 2 is the perspective view that accumulator is located on pedestal；
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in FIG. 1 to 3, the accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit, including pedestal 1, steel pipe are made
Lever 2 and 3 pieces of fan-shaped hoop blocks 3 for enclosing circular ring shape, pedestal 1 includes cylinder 11 and bottom plate 12,11 lower end of cylinder
Vertical welding is fixed on bottom plate 12, and 11 port of cylinder is evenly distributed with 3 pieces of accumulator locating pieces 111.Accumulator lower half 102 is supported on
On cylinder 11,3 111 positions of flange deep gouge 105 and 3 piece accumulator locating piece of accumulator lower half flange 104 are corresponded,
In the corresponding flange deep gouge 105 of 111 embedded location of accumulator locating piece.The end panel 31 and phase at fan-shaped 3 both ends of hoop block
There are neutral gear H between the end panel 31 of adjacent fan-shaped hoop block 3,3 pass across fan-shaped 3 adjacent end portion of hoop block respectively
3 fan-shaped hoop blocks 3 are fixedly connected into circular ring shape anchor ear 30 by the bolt and nut group 32 of plate 31.Such structure was both convenient for
Circular ring shape anchor ear 30 holds the accumulator upper half 101 tightly, and circular ring shape anchor ear 30 can also be made to be suitable for the different accumulator 10 of diameter.
Accumulator locating piece 111 is in inverted L-shaped, the flange deep gouge of 111 width of accumulator locating piece and depth and accumulator 10
105 width and depth matching, are located on cylinder 11 convenient for accumulator 10.The inner circle of circular ring shape anchor ear 30 is held tightly in accumulator
On the outer peripheral surface of the upper half 101,30 bottom of circular ring shape anchor ear is resisted against on 102 end face of accumulator lower half.Fan-shaped hoop block 3
Slide block 33 is extended radially outside out, is equipped with counterbore 331 on the outside of slide block 33.
3 anchor ear locating pieces 34 of inner circle radial equipartition of fan-shaped hoop block 3, the width and depth of anchor ear locating piece 34 with
The width and depth of 3 deep gouges 107 of accumulator upper half flange 106 match, and the anchor ear locating piece 34 of circular ring shape anchor ear 30 divides
It is not embedded in the deep gouge 107 of corresponding accumulator upper half flange 106.
A kind of method for dismounting of the disassembling fixture of cylinder of diesel engine hydraulic pressure unit accumulator, comprising the following steps:
1) on handling accumulator 10 to pedestal 1
After nitrogen has been released in accumulator 10, the quick coupling of accumulator 10 is unloaded, screws on upper lift ring screw 4, by accumulator 10
Handling is simultaneously steadily fallen on the cylinder port 112 of pedestal 1, and the accumulator locating piece 111 of cylinder port 112 is respectively embedded into position pair
In the flange deep gouge 105 for the accumulator lower half flange 104 answered, it is located in accumulator 10 on cylinder port 112.
2) circular ring shape anchor ear 30 is located on accumulator 10
Anchor ear locating piece 34 on 3 fan-shaped hoop blocks 3 is sequentially embedded the heavy of corresponding accumulator upper half flange 106
In slot 107, and it is resisted against fan-shaped 33 bottom of hoop block on the upper, annular face 108 of accumulator 10.Then by 2 bolts
321 sequentially pass through the end panel 31 of adjacent fan-shaped hoop block 3, and are fastened with nut 322, so that several sector hoops
Block 3 is fixedly connected into circular ring shape anchor ear 30, and the inner circle of circular ring shape anchor ear 30 holds the outer peripheral surface of accumulator upper half flange 106 tightly.
3) the accumulator upper half 101 is screwed off
By in the counterbore 331 in 2 one end of lever insertion slide block, 33 outside, rotating lever 2 drives pressure accumulation by anchor ear locating piece 34
The device upper half 101 rotates, and after the accumulator upper half 101 has completely disengaged accumulator lower half 102, is hung by lifting bolt 4
From the accumulator upper half 101, next step operation is then carried out.Lever 2 extends torque arm length, need to only apply to lever 2 smaller
Thrust, biggish torque will be generated, so that the rotation of the accumulator upper half 101 is more labor-saving.
In addition to the implementation, the present invention can also have other embodiments, all to use equivalent substitution or equivalent transformation shape
At technical solution, be all fallen within the protection domain of application claims.
Claims (5)
1. a kind of accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit, which is characterized in that including pedestal, lever and several piece
The fan-shaped hoop block of circular ring shape is enclosed, the pedestal includes cylinder and bottom plate, and the cylinder lower end is vertically fixed on bottom plate
On, cylinder port is evenly distributed with several piece accumulator locating piece；Accumulator lower half is supported on cylinder, accumulator lower half flange outer periphery
Several flange deep gouges and several piece accumulator locating piece position correspond, the corresponding flange of accumulator locating piece embedded location is heavy
In slot；There are neutral gear, numbers between the end panel at fan-shaped hoop block both ends and the end panel of adjacent fan-shaped hoop block
Several fan-shaped hoop blocks are fixedly connected by a bolt and nut group for passing across fan-shaped hoop block adjacent end portion plate respectively
Circular ring shape anchor ear.
2. the accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit as described in claim 1, it is characterised in that: the accumulator
Locating piece is matched in inverted L-shaped, accumulator locating piece width and depth with the flange deep gouge width and depth of accumulator.
3. the accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit as described in claim 1, it is characterised in that: the circular ring shape
The inner circle of anchor ear is held tightly on the outer peripheral surface of the accumulator upper half, and circular ring shape anchor ear bottom is resisted against accumulator lower half end surface
On；Fan-shaped hoop block extends radially outside out slide block, and counterbore is equipped on the outside of the slide block, and counterbore is inserted into lever one end
In.
4. the accumulator disassembling fixture of cylinder of diesel engine hydraulic pressure unit as described in claim 1, which is characterized in that described fan-shaped armful
The several anchor ear locating pieces of the inner circle radial equipartition of hoop body block, the width and depth of the anchor ear locating piece and the accumulator upper half are convex
The width and depth of several deep gouges of edge match, and the anchor ear locating piece of circular ring shape anchor ear is respectively embedded into the corresponding accumulator upper half
In the deep gouge of flange.
5. a kind of method of the disassembling fixture using cylinder of diesel engine hydraulic pressure unit accumulator as described in claim 1, feature
It is, comprising the following steps:
1) on handling accumulator to pedestal
After nitrogen has been released in accumulator, the quick coupling of accumulator is unloaded, screws on upper lift ring screw, by accumulator handling and is put down
It surely falls on the cylinder port of pedestal, several accumulator locating pieces of cylinder port are respectively embedded into the corresponding accumulator lower half in position
In the flange deep gouge of portion's flange, it is located in accumulator on cylinder port；
2) circular ring shape anchor ear is located on accumulator
Anchor ear locating piece on several fan-shaped hoop blocks is sequentially embedded in the deep gouge of corresponding accumulator upper half flange,
And it is resisted against fan-shaped hoop block bottom on the upper, annular face of accumulator；Then the fan that several screw bolt passes are adjacent
The end panel of shape hoop block, and fastened with nut, so that several sector hoop blocks are fixedly connected into circular ring shape anchor ear, circle
The inner circle of annular anchor ear holds the outer peripheral surface of accumulator upper half flange tightly；
3) the accumulator upper half is screwed off
Lever one end is inserted into the counterbore on the outside of slide block, rotating lever, the accumulator upper half is driven by anchor ear locating piece
Rotation, after the accumulator upper half has completely disengaged accumulator lower half, hangs the accumulator upper half by lifting bolt, then
Carry out next step operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879785.7A CN110497357B (en) | 2019-09-18 | 2019-09-18 | Tool and method for disassembling accumulator of diesel engine cylinder hydraulic unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879785.7A CN110497357B (en) | 2019-09-18 | 2019-09-18 | Tool and method for disassembling accumulator of diesel engine cylinder hydraulic unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110497357A true CN110497357A (en) | 2019-11-26 |
| CN110497357B CN110497357B (en) | 2023-11-28 |
Family
ID=68592119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910879785.7A Active CN110497357B (en) | 2019-09-18 | 2019-09-18 | Tool and method for disassembling accumulator of diesel engine cylinder hydraulic unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110497357B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07136866A (en) * | 1993-11-12 | 1995-05-30 | Nok Corp | Installation method for retaining ring and device therefor |
| CN201866476U (en) * | 2010-08-27 | 2011-06-15 | 中国航天科工集团第二研究院七○六所 | Installation platform for monitoring system |
| CN103522048A (en) * | 2013-11-04 | 2014-01-22 | 株洲南车时代电气股份有限公司 | Workpiece gland detaching and installing machine |
| CN105195978A (en) * | 2015-10-23 | 2015-12-30 | 中船动力有限公司 | Tooling and method used for fixedly connecting camshaft with camshaft sprocket |
| CN107138938A (en) * | 2017-06-30 | 2017-09-08 | 株洲联诚集团有限责任公司 | Blind nut winding device in a kind of oil-pressure damper |
| CN107756328A (en) * | 2016-08-17 | 2018-03-06 | 王丰利 | The assisted rotating mechanism of large-scale screw mandrel |
| CN210589085U (en) * | 2019-09-18 | 2020-05-22 | 中船动力有限公司 | Pressure accumulator dismounting tool for diesel engine cylinder hydraulic unit |
-
2019
- 2019-09-18 CN CN201910879785.7A patent/CN110497357B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07136866A (en) * | 1993-11-12 | 1995-05-30 | Nok Corp | Installation method for retaining ring and device therefor |
| CN201866476U (en) * | 2010-08-27 | 2011-06-15 | 中国航天科工集团第二研究院七○六所 | Installation platform for monitoring system |
| CN103522048A (en) * | 2013-11-04 | 2014-01-22 | 株洲南车时代电气股份有限公司 | Workpiece gland detaching and installing machine |
| CN105195978A (en) * | 2015-10-23 | 2015-12-30 | 中船动力有限公司 | Tooling and method used for fixedly connecting camshaft with camshaft sprocket |
| CN107756328A (en) * | 2016-08-17 | 2018-03-06 | 王丰利 | The assisted rotating mechanism of large-scale screw mandrel |
| CN107138938A (en) * | 2017-06-30 | 2017-09-08 | 株洲联诚集团有限责任公司 | Blind nut winding device in a kind of oil-pressure damper |
| CN210589085U (en) * | 2019-09-18 | 2020-05-22 | 中船动力有限公司 | Pressure accumulator dismounting tool for diesel engine cylinder hydraulic unit |
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| Publication number | Publication date |
|---|---|
| CN110497357B (en) | 2023-11-28 |
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