CN209179920U - A kind of urgent oil-break structure of high-power monoblock pump - Google Patents
A kind of urgent oil-break structure of high-power monoblock pump Download PDFInfo
- Publication number
- CN209179920U CN209179920U CN201822201307.4U CN201822201307U CN209179920U CN 209179920 U CN209179920 U CN 209179920U CN 201822201307 U CN201822201307 U CN 201822201307U CN 209179920 U CN209179920 U CN 209179920U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- oil
- oil mass
- compressed air
- mass pull
- 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.)
- Active
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
A kind of high-power urgent oil-break structure of monoblock pump disclosed by the utility model, including a unit pump body and the plunger pump and delivery valve that are mounted in unit pump body, it is provided with oil mass pull rod movement chamber in unit pump body and a pull rod limited block is installed on unit pump body, oil mass pull rod is slideably inserted into oil mass pull rod movement chamber by one end of oil mass pull rod movement chamber and can move intracavitary reciprocating motion in the oil mass pull rod；It is provided with a piston close to seal plug inner side in oil mass pull rod movement chamber and is provided with a compressed air inlet channel in unit pump body, between piston and seal plug, the entrance of compressed air inlet channel connects compressed air source by an inlet suction port for the outlet of compressed air inlet channel.When abnormal conditions, which occurs, in engine such as to be occurred driving because of governor failure and need to stop in emergency, piston is mobile to oil-break direction rapidly under the action of compressed air, and driving oil mass pull rod moves to oil-break position until parking, can be realized purpose to oil-break direction.
Description
Technical field
The utility model relates to a kind of peculiar to vessel, generating set high-power machinery monomer pump technical field, in particular to one
The high-power urgent oil-break structure of monoblock pump of kind.
Background technique
With higher and higher to the requirement of environmental protection both at home and abroad, the requirement to dual fuel of diesel engine and control is increasingly
Height, it is also higher and higher to the performance requirement of Diesel Engine Complete Machine.Compared to traditional in-line fuel injection pump, using single fuel injection pump
The overall performance of engine is preferably guaranteed.
In addition one speed regulation can individually be assembled using the engine of make-up machinery single fuel injection pump (i.e. machinery unit pump)
Device, this governor adjust the distributive value of each cylinder machinery unit pump by a link mechanism simultaneously.But it is adjusted inside governor
When section ratch is stuck, it may appear that driving phenomenon, produce serious casualties accident.
Utility model content
The purpose of this utility model is to solve the existing engine for being equipped with machinery unit pump in governor work exception
In the case where, rapid oil-break is played by the oil-break mechanism designed on monoblock pump and is stopped, prevents engine from the failures such as driving occur
High-power challenge the urgent oil-break structure of pump by oneself.
In order to realize that the purpose of this utility model, technical solution used by the utility model are as follows:
A kind of urgent oil-break structure of high-power monoblock pump, including a unit pump body and be mounted in the unit pump body
Plunger pump and delivery valve, the idler wheel body component of the plunger pump bottom drives by engine cam and moved up and down, and passes through column
High pressure fuel in the plunger bushing high-voltage oil cavity of plunger matching parts compression plunger valve in plug valve, the high pressure fuel is from described fuel-displaced
Valve simultaneously crosses high-pressure oil pipe and fuel injector and is ejected into work by combustion in engine chamber；One is provided in the unit pump body
Oil mass pull rod movement chamber is simultaneously equipped with a pull rod limited block on the unit pump body, and oil mass pull rod is transported by the oil mass pull rod
One end of dynamic chamber is slideably inserted into the oil mass pull rod movement chamber and can move intracavitary reciprocating motion, driving in the oil mass pull rod
Plunger control set reciprocating rotation in plunger valve is refueled and is subtracted oil；An oil mass pull rod is provided on the oil mass pull rod
Slot, the pull rod limited block are embedded into the oil mass pull rod slot, limit refueling position and oil-break position to the oil mass pull rod
It sets and is controlled；The other end of the oil mass pull rod movement chamber is equipped with a seal plug；It is characterized in that, being drawn in the oil mass
Bar movement chamber is provided with a piston close to the seal plug inner side and is provided with a compression in the unit pump body
Air inlet channel, the outlet of the compressed air inlet channel is between the piston and the seal plug, the pressure
The entrance in contracting air inlet channel connects compressed air source by an inlet suction port.
In a preferred embodiment of the utility model, it is provided with sealing ring on the piston, it is described to seal
The two sides in piston axis direction.
In a preferred embodiment of the utility model, it is provided with this side in the piston towards the seal plug
Air cavity, the compressed air, which enters in the air cavity, pushes the piston to move to oil-break direction, and drives the oil mass pull rod
It is moved to oil-break direction.
In a preferred embodiment of the utility model, the inlet suction port is Rc1/8 taper thread joint.
In a preferred embodiment of the utility model, the compressed air pressure that the compressed air source is sent out is not less than
0.4MPa。
Due to use technical solution as above, the utility model on the basis of not changing diesel engine original oil supply system,
Using the small piston inside the compressed air compressor tool unit pump body not less than 0.4MPa, piston pushes mechanical monomer again
Pump pumps intracorporal oil mass pull rod and can reliably stop in emergency to the movement of oil-break position.The utility model, which has to start, to be easy, controls
Feature convenient, structure is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model monoblock pump.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is enlarged diagram at the I of Fig. 2.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples, but does not therefore limit the utility model
Within the scope of the embodiment described.
Referring to Fig. 1, a kind of high-power urgent oil-break structure of monoblock pump shown in figure, including 100 He of a unit pump body
The plunger pump 200 and delivery valve 300 being mounted in unit pump body 100, the idler wheel body component 210 of 200 bottom of plunger pump is by sending out
Motivation camshaft actuated moves up and down, and passes through the plunger bushing high-voltage oil cavity of the 220 compression plunger valve of plunger matching parts in plunger valve 200
Interior high pressure fuel, high pressure fuel is from delivery valve 300 and mistake high-pressure oil pipe and fuel injector are ejected into engine chamber and burn
Acting.
Referring to figs. 2 and 3, it is provided with oil mass pull rod movement chamber 110 in institute's unit pump body 100 and is pumped in monoblock pump
A pull rod limited block 130 is equipped with by fastening screw 120 on body 100.
Oil mass pull rod 140 is slideably inserted into oil mass pull rod movement chamber 110 simultaneously by one end 111 of oil mass pull rod movement chamber 110
It can move in chamber 110 and move back and forth in oil mass pull rod.The excircle of plunger control set 230 is provided with gear 231, is drawn in oil mass
Rack gear 141 is provided on bar 140, rack gear 141 is engaged with gear 231.One is equipped in the other end 112 of oil mass pull rod movement chamber
Seal plug 150.
When oil mass pull rod 140 is moved to 112 direction of the other end that oil mass pull rod moves chamber 110, on oil mass pull rod 140
Rack gear 141 by plunger control set 230 on gear 231 drive plunger valve 200 in plunger control set 230 rotate counterclockwise into
Row refuels；Tooth when oil mass pull rod 140 is moved to 111 direction of one end that oil mass pull rod moves chamber 110, on oil mass pull rod 140
Item 141 drives the plunger control set 230 in plunger valve 200 to rotate clockwise progress by the gear 231 on plunger control set 230
Oil-break.
In order to oil mass pull rod 140 limit refueling position and oil-break position limit, be arranged on oil mass pull rod 140
There is an oil mass pull rod slot 142, pull rod limited block 130 is embedded into oil mass pull rod slot 142, and oil mass pull rod 140 is transported to oiling direction
When moving limit refueling position, pull rod limited block 130 can meet the cell wall 142a of oil mass pull rod slot 142, limit oil mass pull rod 140
Continue to move.When oil mass pull rod 140 moves to oil-break position to oil-break direction, pull rod limited block 130 can encounter oil mass pull rod slot
142 cell wall 142b, limitation oil mass pull rod 140 continue to move
The characteristics of the utility model, is, is provided in oil mass pull rod movement chamber 110 close to 150 inner side of seal plug
One piston 160 is simultaneously provided with a compressed air inlet channel 170 in unit pump body 100, compressed air inlet channel 170
Between piston 160 and seal plug 150, the entrance of compressed air inlet channel 170 is connected by an inlet suction port 180 for outlet
Connect compressed air source.Inlet suction port 180 is Rc1/8 taper thread joint.The compressed air pressure that compressed air source is sent out is not less than
0.4MPa。
In addition sealing ring 161 is provided on piston 160, the two sides to 160 axis direction of sealing piston.In piston
160 are provided with air cavity 162 towards this side of seal plug 170, and compressed air, which enters in air cavity 162, pushes piston 160 to oil-break
Direction movement, and oil mass pull rod 140 is driven to move to oil-break direction.
When abnormal conditions, which occurs, in engine such as to be occurred driving because of governor failure and need to stop in emergency, transmitting letter can be passed through
Number make the compressed air that 0.4MPa is passed through at the taper thread joint of the Rc1/8 in diagram, piston 160 is under the action of compressed air
Mobile to oil-break direction rapidly, driving oil mass pull rod 140 moves to oil-break position until parking, can be realized mesh to oil-break direction
's.
Claims (5)
1. a kind of urgent oil-break structure of high-power monoblock pump including a unit pump body and is mounted in the unit pump body
Plunger pump and delivery valve are provided with oil mass pull rod movement chamber in the unit pump body and pacify on the unit pump body
Equipped with a pull rod limited block, oil mass pull rod is slideably inserted into the oil mass pull rod by one end of oil mass pull rod movement chamber and moves
Chamber simultaneously can move intracavitary reciprocating motion in the oil mass pull rod, and the plunger control set reciprocating rotation in plunger valve is driven to refuel
With subtract oil；An oil mass pull rod slot is provided on the oil mass pull rod, the pull rod limited block is embedded into the oil mass pull rod slot
In, the limit refueling position and oil-break position of the oil mass pull rod are controlled；The other end of the oil mass pull rod movement chamber
One seal plug is installed；It is characterized in that, being arranged in oil mass pull rod movement chamber close to the seal plug inner side
There is a piston and be provided with a compressed air inlet channel in the unit pump body, the compressed air inlet channel goes out
Between the piston and the seal plug, the entrance of the compressed air inlet channel passes through an inlet suction port and connects mouth
Compressed air source.
2. a kind of high-power urgent oil-break structure of monoblock pump as described in claim 1, which is characterized in that set on the piston
It is equipped with sealing ring, to seal the two sides in the piston axis direction.
3. a kind of high-power urgent oil-break structure of monoblock pump as claimed in claim 2, which is characterized in that the piston towards
This side of the seal plug is provided with air cavity, and the compressed air, which enters in the air cavity, pushes the piston to oil-break direction
Movement, and the oil mass pull rod is driven to move to oil-break direction.
4. a kind of high-power urgent oil-break structure of monoblock pump as described in claim 1, which is characterized in that the inlet suction port is
Rc1/8 taper thread joint.
5. a kind of high-power urgent oil-break structure of monoblock pump as described in claim 1, which is characterized in that the compressed air source
The compressed air pressure of submitting is not less than 0.4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822201307.4U CN209179920U (en) | 2018-12-26 | 2018-12-26 | A kind of urgent oil-break structure of high-power monoblock pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822201307.4U CN209179920U (en) | 2018-12-26 | 2018-12-26 | A kind of urgent oil-break structure of high-power monoblock pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209179920U true CN209179920U (en) | 2019-07-30 |
Family
ID=67377794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822201307.4U Active CN209179920U (en) | 2018-12-26 | 2018-12-26 | A kind of urgent oil-break structure of high-power monoblock pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209179920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469571A (en) * | 2018-12-26 | 2019-03-15 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of urgent oil-break structure of high-power monoblock pump |
-
2018
- 2018-12-26 CN CN201822201307.4U patent/CN209179920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469571A (en) * | 2018-12-26 | 2019-03-15 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of urgent oil-break structure of high-power monoblock pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105008719B (en) | Fuel pump for internal combustion engine | |
| CN107939520A (en) | To cylinder two-stroke internal combustion engine | |
| WO2011046975A1 (en) | Hydraulic internal combustion engines | |
| CN101828025B (en) | High pressure pump assembly for common rail system | |
| CN209179920U (en) | A kind of urgent oil-break structure of high-power monoblock pump | |
| CN113217336A (en) | Pump-free lubricating and sealing system and method for reciprocating compressor | |
| CN109469571A (en) | A kind of urgent oil-break structure of high-power monoblock pump | |
| RU2422667C1 (en) | Gas-controlled fuel injector of internal combustion engine | |
| RU2591360C1 (en) | Method of controlling fuel feed into combustion chamber of internal combustion engine using single-cycle drive of fuel injector | |
| CN113309646B (en) | Fuel pump with improved sealing performance | |
| CN101644189A (en) | External combustion type internal combustion engine of cylinder | |
| CN111120090B (en) | Energy storage type power device | |
| CN109196214B (en) | Fuel pump | |
| CN207485540U (en) | To cylinder two-stroke internal combustion engine | |
| CN112412676A (en) | Pressure-adjustable fuel oil boosting device | |
| JP6947025B2 (en) | Variable compressor and engine system | |
| CN105626249B (en) | High-output-torque low-noise petroleum transportation device | |
| CN210949014U (en) | Corrosion-resistant high-pressure pump for injecting oil-soluble chemical agent | |
| CN113550851B (en) | Starting exhaust device for engine fuel control system | |
| CN210530939U (en) | Engine cylinder braking device driven by fuel injection pump | |
| RU2511952C1 (en) | Gas turbine engine with free-piston gas generator | |
| CN210530941U (en) | Common rail system driven in-cylinder brake device of engine | |
| CN216975159U (en) | Pump-free lubricating and sealing system of reciprocating compressor | |
| CN202732285U (en) | Combined valve for air compressor | |
| CN209704738U (en) | A kind of device preventing high-pressure oil pump plunger card resistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |