CN206065829U - Piston hangs frock - Google Patents
Piston hangs frock Download PDFInfo
- Publication number
- CN206065829U CN206065829U CN201621136486.2U CN201621136486U CN206065829U CN 206065829 U CN206065829 U CN 206065829U CN 201621136486 U CN201621136486 U CN 201621136486U CN 206065829 U CN206065829 U CN 206065829U
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- cylinder body
- piston
- piston rod
- suspender
- hole
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Abstract
This utility model provides a kind of piston and hangs frock, at least two pieces suspender, and positioned at the both sides of piston rod, suspender connects cylinder body and piston rod respectively, so that stuffing-box retainer ring is exposed to outside the bottom surface of cylinder body.In preferred scheme, the structure of described suspender is：One end of base plate is provided with piston lever attachment hole, and the other end of base plate is provided with cylinder body connecting hole, is provided with starting stave and the second riser in the both sides of cylinder body connecting hole, and starting stave is identical to the distance of cylinder body bottom surface with piston rod during top dead-centre plus the height of base plate.By the suspender for arranging, the existing bolt hole of parts can rationally be utilized, realize cylinder body to assemble in advance in segmentation module makeup timing piston, such that it is able to the assembling of cylinder cap installation, associated pipe and electrical equipment is completed in the cylinder body segmentation stage, cylinder body block assembly is made to realize that maximization is integrated, work efficiency is improved, and advantage is provided for Diesel Engine Complete Machine production procedure optimization.
Description
Technical field
This utility model is related to large-scale marine low speed diesel engine piston installing area, and particularly a kind of piston hangs frock.
Background technology
Field is manufactured in marine low speed diesel engine, diesel engine electromechanical modular assembly technology has been promoted and generally adopted
With wherein in order to the maximization for realizing part of cylinder block is integrated, piston is had in diesel engine three-major-items, i.e. bent axle, body and cylinder
Penetrate in cylinder body before covering, so that the cylinder body block assembly stage can just complete cylinder cap assembling and associated pipe and electrically
Parts are pre-installed, and realize maximizing module assembling, improve production efficiency.And due to the heavier-weight of diesel engine piston.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of piston and hangs frock, can realize diesel engine module
Makeup is matched somebody with somebody, and reaches maximum integrated, the raising work efficiency that the makeup of cylinder body segmentation module is matched somebody with somebody.
To solve above-mentioned technical problem, the technical scheme adopted by this utility model is：A kind of piston hangs frock, at least
Two pieces suspender, positioned at the both sides of piston rod, suspender connects cylinder body and piston rod respectively, so that stuffing-box retainer ring is exposed to
Outside the bottom surface of cylinder body.
In preferred scheme, the structure of described suspender is：One end of base plate is provided with piston lever attachment hole, base plate it is another
One end is provided with cylinder body connecting hole, is provided with starting stave and the second riser in the both sides of cylinder body connecting hole, and starting stave adds base plate
Height it is identical to the distance of cylinder body bottom surface with piston rod during top dead-centre.
In preferred scheme, also interconnected by two pieces of side connecting plates between starting stave and the second riser.
In preferred scheme, between the second riser and base plate, gusset is provided with.
In preferred scheme, connected by cylinder body fixing bolt between suspender and cylinder body, described cylinder body fixing bolt
Upper end be provided with threaded portion, lower end is provided with lower threaded portion, and the bottom of lower threaded portion is provided with the portion of tightening；
Cylinder body fixing threaded hole is provided with cylinder base, upper threaded portion is threadedly coupled with cylinder body fixing threaded hole, cylinder body fixes spiral shell
Bolt passes through cylinder body connecting hole, and lower threaded portion is connected with fixing nut.
In preferred scheme, the circumscribed circle diameter of the circumscribed circle diameter less than lower threaded portion in portion is tightened.
In preferred scheme, piston rod fixing threaded hole is provided with the piston rod, piston fixing bolt connects through piston rod
Hole is threadedly coupled with piston rod fixing threaded hole.
A kind of piston that this utility model is provided hangs frock, by the suspender for arranging, can rationally utilize parts
Existing bolt hole, realizes cylinder body and can assemble in advance in segmentation module makeup timing piston, such that it is able to be segmented rank in cylinder body
Section completes the assembling of cylinder cap installation, associated pipe and electrical equipment, makes cylinder body block assembly realize maximizing integrated, raising work
Efficiency, provides advantage for Diesel Engine Complete Machine production procedure optimization.This utility model designs and produces simple structure, cost
It is low, it is simple to operate, it is safe and reliable.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the partial structural diagram of general assembly drawing in this utility model, and half sectional view is employed in figure, is eliminated another
The symmetrical structure of side.
Fig. 2 is the front view of suspender in this utility model.
Fig. 3 is the top view of suspender in this utility model.
Fig. 4 is the front view of cylinder body fixing bolt in this utility model.
Fig. 5 is the elevational schematic view of cylinder body bottom surface in this utility model.
Fig. 6 is the elevational schematic view of piston rod in this utility model.
In figure：Suspender 1, base plate 11, starting stave 12, the second riser 13, side connecting plate 14, gusset 15, cylinder body connection
Hole 16, piston lever attachment hole 17, piston fixing bolt 2, fixing nut 3, cylinder body fixing bolt 4, upper threaded portion 41, lower threaded portion
42, portion 43 is tightened, stuffing-box retainer ring 5, piston rod 6, piston rod fixing threaded hole 61, compression gasket 7, cylinder body 8, cylinder body fix spiral shell
Hole 81, during top dead-centre piston rod to cylinder body bottom surface apart from H.
Specific embodiment
In such as Fig. 1, a kind of piston suspension frock, at least two pieces suspender 1, positioned at the both sides of piston rod 6,1 point of suspender
Not Lian Jie cylinder body 8 and piston rod 6 so that stuffing-box retainer ring 5 is exposed to outside the bottom surface of cylinder body 8.Thus structure, realizes cylinder
Body can be assembled in advance in segmentation module makeup timing piston, such that it is able to complete cylinder cap installation, correlation in the cylinder body segmentation stage
The assembling of pipeline and electrical equipment.
In preferred scheme such as Fig. 2,3, the structure of described suspender 1 is：One end of base plate 11 is provided with piston rod connection
Hole 17, the other end of base plate 11 are provided with cylinder body connecting hole 16, are provided with starting stave 12 and second in the both sides of cylinder body connecting hole 16
Riser 13, starting stave 12 are identical apart from H with piston rod during top dead-centre to cylinder body bottom surface plus the height of base plate 11.Thus tie
Structure, when suspender 1 is fixedly connected with cylinder body 8, it is ensured that piston rod meets predetermined want apart from H to cylinder body bottom surface during top dead-centre
Ask.
It is in preferred scheme such as Fig. 2,3, also mutual by two pieces of side connecting plates 14 between starting stave 12 and the second riser 13
It is connected.Thus structure, improves the rigidity of suspender 1.
In preferred scheme 2,3, between the second riser 13 and base plate 11, gusset 15 is provided with.Thus structure, improves suspender 1
Rigidity.
Preferred scheme is as, in Fig. 1,5,6, connected by cylinder body fixing bolt 4 between suspender 1 and cylinder body 8, described
The upper end of cylinder body fixing bolt 4 is provided with threaded portion 41, and lower end is provided with lower threaded portion 42, and the bottom of lower threaded portion 42 is provided with tightens
Portion 43；
Cylinder body fixing threaded hole 81 is provided with 8 bottom of cylinder body, upper threaded portion 41 is threadedly coupled with cylinder body fixing threaded hole 81, cylinder body
Fixing bolt 4 passes through cylinder body connecting hole 16, and lower threaded portion 42 is connected with fixing nut 3.
In preferred scheme, the circumscribed circle diameter of the circumscribed circle diameter less than lower threaded portion 42 in portion 43 is tightened.Thus structure,
It is easy to cylinder body fixing bolt 4 is installed from bottom.
In preferred scheme, piston rod fixing threaded hole 61 is provided with piston rod 6, piston fixing bolt 2 passes through piston rod
Connecting hole 17 is threadedly coupled with piston rod fixing threaded hole 61.
Suspender of the present utility model 1 is welded by steel plate, as shown in Figure 2,3, starting stave 12, the second riser 13,
Side connecting plate 14 and gusset 15 carry out structural strengthening to frock body as reinforcement, while starting stave 12 and the second riser 13
Highly control piston rod and expose cylinder body lower plane distance, it is ensured that cylinder body closes up the safe distance of rear piston and crosshead junction.
Steel plate materialses are Q235, and bolt is from appropriate length M16,8.8 grade bolts.
In the cylinder body block assembly stage, piston is penetrated in cylinder sleeve with driving and piston mounting tool, it is super in piston
Piston is hanging to into cylinder body lower plane with M16 when crossing cylinder body lower plane correct position, every piston is fixed using 2 suspenders 1.
Further illustrate so that the piston rod of the intelligent marine low speed diesel engines of G50ME-C9.5 hangs as an example below.
Cylinder body is segmented the prepackage stage, and cylinder body pad is attached to certain altitude and is easy to people to work in inferior part of the cylinder block, and piston is penetrated cylinder
Body 8, it is solid with cylinder body through cylinder body connecting hole 16 with M16 cylinder bodies fixing bolt 4 after piston rod bottom exceedes cylinder base plane
Determine screw 81 to connect, 1 frock of suspender is fixed to into cylinder base plane, then adjust rotary-piston bar bottom direction and use again
M16 pistons fixing bolt 2 is connected with piston rod fixing threaded hole 61 through piston lever attachment hole 17 and hangs piston rod 6, is lived per part
Stopper rod 6 need to complete suspension by two pieces suspender 1 and see Fig. 1.The final relative mounting positions of 1 frock of suspender are as shown in Figure 1.
Cylinder blockization is installed when terminating rear three-major-items and closing up, and disk dynamic crankshaft drivening rod crosshead rises, and works as crosshead
After mounting plane and piston-rod lower end plane contact, take two piston rods and fall after handss, the M16 pistons fixing bolt 2 that comes loose is removed
Suspender 1, is completed piston rod and is connected with connecting rod crosshead movement part.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
System, the feature in the scheme and embodiment of the embodiment 2 in the application, can mutual combination in any in the case where not conflicting.
Skill in the technical scheme that protection domain of the present utility model should be recorded with claim, including the technical scheme of claim record
The equivalents of art feature are protection domain.Equivalent i.e. within this range is improved, also in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of piston hangs frock, it is characterized in that：At least two pieces suspender（1）, positioned at piston rod（6）Both sides, suspender
（1）Connect cylinder body respectively（8）And piston rod（6）, so that stuffing-box retainer ring（5）It is exposed to cylinder body（8）Bottom surface outside.
2. a kind of piston according to claim 1 hangs frock, it is characterized in that：Described suspender（1）Structure be：Bottom
Plate（11）One end be provided with piston lever attachment hole（17）, base plate（11）The other end be provided with cylinder body connecting hole（16）, connect in cylinder body
Connect hole（16）Both sides be provided with starting stave（12）With the second riser（13）, starting stave（12）Plus base plate（11）Height with
The distance of piston rod to cylinder body bottom surface during top dead-centre（H）It is identical.
3. a kind of piston according to claim 2 hangs frock, it is characterized in that：Starting stave（12）With the second riser（13）
Between also pass through two pieces of side connecting plates（14）Interconnect.
4. a kind of piston according to claim 2 hangs frock, it is characterized in that：Second riser（13）With base plate（11）Between
It is provided with gusset（15）.
5. a kind of piston according to claim 2 hangs frock, it is characterized in that：Suspender（1）With cylinder body（8）Between pass through
Cylinder body fixing bolt（4）Connection, described cylinder body fixing bolt（4）Upper end be provided with threaded portion（41）, lower end is provided with lower spiral shell
Stricture of vagina portion（42）, lower threaded portion（42）Bottom be provided with the portion of tightening（43）；
In cylinder body（8）Bottom is provided with cylinder body fixing threaded hole（81）, upper threaded portion（41）With cylinder body fixing threaded hole（81）Threaded connection,
Cylinder body fixing bolt（4）Through cylinder body connecting hole（16）, lower threaded portion（42）With fixing nut（3）Connection.
6. a kind of piston according to claim 5 hangs frock, it is characterized in that：Tighten portion（43）Circumscribed circle diameter be less than
Lower threaded portion（42）Circumscribed circle diameter.
7. a kind of piston according to claim 2 hangs frock, it is characterized in that：In piston rod（6）It is provided with piston rod solid
Determine screw（61）, piston fixing bolt（2）Through piston lever attachment hole（17）With piston rod fixing threaded hole（61）Threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621136486.2U CN206065829U (en) | 2016-10-19 | 2016-10-19 | Piston hangs frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621136486.2U CN206065829U (en) | 2016-10-19 | 2016-10-19 | Piston hangs frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206065829U true CN206065829U (en) | 2017-04-05 |
Family
ID=58442785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621136486.2U Active CN206065829U (en) | 2016-10-19 | 2016-10-19 | Piston hangs frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206065829U (en) |
-
2016
- 2016-10-19 CN CN201621136486.2U patent/CN206065829U/en active Active
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