CN207757527U - A kind of installation tool for gas valve of high power diesel engine seat - Google Patents
A kind of installation tool for gas valve of high power diesel engine seat Download PDFInfo
- Publication number
- CN207757527U CN207757527U CN201721887738.XU CN201721887738U CN207757527U CN 207757527 U CN207757527 U CN 207757527U CN 201721887738 U CN201721887738 U CN 201721887738U CN 207757527 U CN207757527 U CN 207757527U
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- diesel engine
- holder
- flange
- installation tool
- high power
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Abstract
A kind of installation tool for gas valve of high power diesel engine seat, including holder, pull rod, flange and hydraulic elongator, the holder is positioned in the spring base hole of the diesel engine cylinder cover and side acts against on the cylinder cap, the hydraulic elongator is positioned over the other side of the holder and is close to the holder, the flange is positioned over outside the cylinder cap of the diesel engine and is close to the outside of the air valve seat, the pull rod passes through the holder, one end is fixedly connected by screw thread with the hydraulic elongator, and the other end passes through screw thread and the flanged joint.The utility model is small, light-weight, simple in structure, easy to operation, improves work efficiency, and alleviates working strength, ensure that installation quality, while disclosure satisfy that the demand of the various air valve seat installation exercises of different type of machines high-power diesel engine.
Description
Technical field
The utility model is related to it is a kind of for diesel engine produce and overhaul assembly tool, and in particular to be that one kind is used for
The installation tool of gas valve of high power diesel engine seat, belongs to field of mechanical technique.
Background technology
For large ship power diesel engine, air valve seat is parts important in valve actuating mechanism, and it is dynamic to influence it
Power, stability and reliability, while concerning the safety to user.
The operating condition of diesel valve seat is very severe, to be subjected at high temperature the impact of air valve, beating, abrasion and
The erosion and oxidation of inlet and outlet fluid, therefore inevitably it is related to during maintaining the installation of air valve seat.For
Meet the needs for shortening diesel engine assembly and maintenance cycle, it is necessary to improve the assembling work efficiency of diesel engine, and it is existing it is coarse, fall
Dismantling device afterwards cannot be satisfied this requirement, and a kind of installation tool can only meet the need of some specific model diesel engine
It asks, so as to cause the waste of resource.
Utility model content
Simple in structure, easy to operate it to be used for gas valve of high power diesel engine the purpose of the utility model is to provide a kind of
The installation tool of seat, with achieve the effect that it is easy to operation, improve efficiency, shorten the activity duration, ensure installation quality, while can be with
The needs of the high-power diesel engine of various types suitable for different condition.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of installation tool for gas valve of high power diesel engine seat, including holder, pull rod, flange and hydraulic elongator,
The holder is positioned in the spring base hole of the diesel engine cylinder cover and side acts against on the cylinder cap, and the hydraulic elongator is put
It is placed in the other side of the holder and is close to the holder, the flange is positioned over outside the cylinder cap of the diesel engine and is close to the gas
The outside of valve seat, the pull rod pass through the holder, one end to be fixedly connected with the hydraulic elongator by screw thread, and the other end is logical
Cross screw thread and the flanged joint.
Further, the holder is the closed cylinder in one end, and center is equipped with the flange hole for placing the pull rod,
The outer diameter of the holder is slightly smaller than the diameter of the spring base hole.
Further, the outer diameter of the holder is 70mm, is highly 130mm.
Further, the flange is Step Shaft, and small axis stretches into the endoporus of the air valve seat, and the medial surface of big axis is tight
The outside of the air valve seat is pasted, which is coordinated in the form of cascaded surface with the air valve seat, and the center of the flange is provided with
Threaded hole for connecting the pull rod.
Further, the length of the pull rod be 550mm, one end connect with the hydraulic elongator equipped with M20 ×
The length of 2.5 screw thread, the screw thread is more than 100mm, and the screw thread of M18 is equipped with one end of the flanged joint.
Further, the stroke of the hydraulic elongator is 17.35mm, maximum stretching force 80KN.
Further, the installation tool further includes having locking nut, which is rotatably connected on the outside of the flange
Pull rod on to fix the position of the flange.
Compared with prior art, the advantageous effects of the utility model are as follows：
1) the utility model is small, light-weight, simple in structure, easy to operation, improves work efficiency, and alleviates work
Intensity.
2) it disclosure satisfy that the demand of the various air valve seat installation exercises of different type of machines high-power diesel engine.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the stereoscopic schematic diagram of the utility model.
Fig. 3 is the usage state diagram of the utility model.
Specific implementation mode
In the following with reference to the drawings and specific embodiments to the peace described in the utility model for gas valve of high power diesel engine seat
Holding tool is described in further detail, but should not limit the scope of protection of the utility model with this.
Embodiment
Please refer to Fig. 1 and Fig. 2, it is illustrated that the installation tool for gas valve of high power diesel engine seat includes flange 1, holder
3, pull rod 2, hydraulic elongator 4 and locking nut 5.
The holder 3 is positioned over that the cylinder of diesel engine covers in existing spring base hole and side acts against on the cylinder cap,
Its lateral displacement is limited using the spring base hole of cylinder cap.The holder 3 is the closed cylinder in one end, and center is equipped with for placing
The flange hole of the pull rod 2, to play guiding role to the pull rod 2.In view of the diameter and air valve of the spring base hole of cylinder cap are led
Height outstanding is covered, the outer diameter of the holder 3 is slightly smaller than the diameter of the spring base hole, is highly more than air valve guide sleeve height outstanding
Degree, in order to install.It is a diameter of due to spring base holeAir valve guide sleeve height outstanding is 102mm, therefore considers to add
Including the factor of work error, escape and installation gap, the outer diameter of the holder 3 is 70mm, is highly 130mm.
The hydraulic elongator 4 is positioned over the other side of the holder 3 and is close to the holder 3.Outside the hydraulic elongator 4
Diameter isPiston displace-ment stroke in hydraulic cylinder, the i.e. impulse stroke of the hydraulic elongator 4 are 17.35mm, are had simultaneously
The displacement of corresponding baffle ring limitation piston, piston face product are 19.19cm2, maximum stretching force 80KN.Above-mentioned drawing force and work
The installation needs of various high-power diesel engine difference valve seats can be met by making stroke.
The flange 1 is positioned over outside the cylinder cap of the diesel engine and is close to the outside of the air valve seat.The flange 1 is
Step Shaft, small axis stretch into the endoporus of the air valve seat, and the medial surface of big axis is close to the outside of the air valve seat, the medial surface with
The form of cascaded surface coordinates with the air valve seat, and to prevent stress concentration, mating surface diameter is slightly less than air valve seat, a diameter ofThe center of the flange 1 is provided with the M18 threaded holes for connecting the pull rod.
The pull rod 2 passes through the flange hole of the holder 3, one end to be fixedly connected with the hydraulic elongator 4 by screw thread,
The other end is connect by screw thread with the flange 1.The length of the pull rod 2 is 550mm, is connect with the hydraulic elongator 4
One end be equipped with the screw threads of M20 × 2.5, diameter is slightly smaller than the flange hole of the holder 3, and the length of the screw thread is more than 100mm,
The one end being connect with the flange 1 is equipped with the screw thread of M18.
The locking nut 5 is M18 nuts, is rotatably connected on the pull rod 2 in 1 outside of the flange, which is fixed on
On 2 suitable position of the pull rod.
The installation tool uses schematic diagram referring to Fig. 3, and concrete operations are using steps are as follows：
Step 1：Corresponding adhesive glue is smeared without the column part of O-ring on air valve seat V, and is bonded in flange 1
On the medial surface of big axis, then air valve seat V is put into the air valve bore on cylinder cap.
Step 2：Holder 3 is positioned on cylinder cap in existing spring base hole and side to act against on the cylinder cap.
Step 3：After the gentle valve guide of flange hole that pull rod 2 is passed through to holder 3, the M18 screw threads of one end are tightened with flange 1 matches
It closes, while tightening locking nut 5 on the outside.
Step 4：The internal thread of the screw threads of the M20 of the pull rod other end × 2.5 and 4 piston of hydraulic elongator is tightened into cooperation.
Step 5：The lubricating oil pressure that hydraulic elongator 4 is improved using hand oil pump, under the action of pull rod 2, drawing force is logical
It crosses flange 1 to be applied on air valve seat V, air valve seat V is installed in air valve bore.
The preferred embodiment of the utility model is above are only, is not used for limiting the scope of protection of the utility model,
Equivalence changes made by all contexts according to the utility model and improvement, are regarded as the utility model model claimed
Farmland.
Claims (7)
1. a kind of installation tool for gas valve of high power diesel engine seat, it is characterised in that：The installation tool includes holder, draws
Bar, flange and hydraulic elongator, the holder is positioned in the spring base hole of the diesel engine cylinder cover and side acts against the cylinder
It covers, the hydraulic elongator is positioned over the other side of the holder and is close to the holder, and the flange is positioned over the diesel oil
The cylinder cap of machine is outer and is close to the outside of the air valve seat, and the pull rod passes through the holder, and one end passes through screw thread and the hydraulic pressure
Stretcher is fixedly connected, and the other end passes through screw thread and the flanged joint.
2. the installation tool according to claim 1 for gas valve of high power diesel engine seat, it is characterised in that：The branch
Frame is the closed cylinder in one end, and center is equipped with the flange hole for placing the pull rod, and the outer diameter of the holder is slightly smaller than the bullet
The diameter in spring abutment hole.
3. the installation tool according to claim 2 for gas valve of high power diesel engine seat, it is characterised in that：The branch
The outer diameter of frame is 70mm, is highly 130mm.
4. the installation tool according to claim 1 for gas valve of high power diesel engine seat, it is characterised in that：The method
Orchid is Step Shaft, and small axis stretches into the endoporus of the air valve seat, and the medial surface of big axis is close to the outside of the air valve seat, the inside
Face is coordinated in the form of cascaded surface with the air valve seat, and the center of the flange is provided with the threaded hole for connecting the pull rod.
5. the installation tool according to claim 1 for gas valve of high power diesel engine seat, it is characterised in that：The drawing
The length of bar is 550mm, and the one end being connect with the hydraulic elongator is equipped with the screw thread of M20 × 2.5, and the length of the screw thread is more than
100mm is equipped with the screw thread of M18 with one end of the flanged joint.
6. the installation tool according to claim 1 for gas valve of high power diesel engine seat, it is characterised in that：The liquid
It is 17.35mm, maximum stretching force 80KN to press the stroke of stretcher.
7. the installation tool according to claim 1 for gas valve of high power diesel engine seat, it is characterised in that：The peace
Holding tool further includes having locking nut, which is rotatably connected on the pull rod on the outside of the flange to fix the position of the flange
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887738.XU CN207757527U (en) | 2017-12-29 | 2017-12-29 | A kind of installation tool for gas valve of high power diesel engine seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887738.XU CN207757527U (en) | 2017-12-29 | 2017-12-29 | A kind of installation tool for gas valve of high power diesel engine seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207757527U true CN207757527U (en) | 2018-08-24 |
Family
ID=63185687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721887738.XU Active CN207757527U (en) | 2017-12-29 | 2017-12-29 | A kind of installation tool for gas valve of high power diesel engine seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207757527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605684A (en) * | 2019-10-28 | 2019-12-24 | 中船动力有限公司 | Diesel engine hydraulic valve seat drawing tool and method |
| CN111015543A (en) * | 2019-11-25 | 2020-04-17 | 北京北机机电工业有限责任公司 | Cylindrical part bonding tool |
-
2017
- 2017-12-29 CN CN201721887738.XU patent/CN207757527U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605684A (en) * | 2019-10-28 | 2019-12-24 | 中船动力有限公司 | Diesel engine hydraulic valve seat drawing tool and method |
| CN111015543A (en) * | 2019-11-25 | 2020-04-17 | 北京北机机电工业有限责任公司 | Cylindrical part bonding tool |
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