CN201040370Y - Dismounting tool for diesel engine fuel injector - Google Patents
Dismounting tool for diesel engine fuel injector Download PDFInfo
- Publication number
- CN201040370Y CN201040370Y CN 200720023173 CN200720023173U CN201040370Y CN 201040370 Y CN201040370 Y CN 201040370Y CN 200720023173 CN200720023173 CN 200720023173 CN 200720023173 U CN200720023173 U CN 200720023173U CN 201040370 Y CN201040370 Y CN 201040370Y
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- rod
- sliding hammer
- screwed
- diesel engine
- 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.)
- Expired - Fee Related
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a dismounting tool of diesel engine fuel injector, which is supplied for overcoming the disadvantages that when the fuel injector of diesel engine is dismounted to be repaired at present, the use of traditional tools is long in dismounting and repairing time, low in work efficiency, easy to damage peripheral components, high in repair cost, great in labor intensity and not safe. The rod body which can be screwed into the threaded holes in the tope of the fuel injector is sleeved with a hitting rod body which can slide up and down along the rod body and a sliding hammer which can make the rod body drive the fuel injector detached or installed on the diesel engine. When the fuel injector is dismounted and installed, since the peripheral gas distribution box, the transverse beam of the valve and the rocker shaft bed on the upper part do not need to be dismounted, only a rod body with a sliding hammer which is screwed into the threaded hole on the top of the fuel injector to hit up and down can complete the work. 60 minutes are usually needed when one fuel injector is replaced before and the replacement can be completed in 15 minutes with the tool of the utility model. The utility model is safe, convenient, high efficient and the labor intensity and repair cost can be reduced.
Description
Technical field
The utility model belongs to instrument, specifically a kind of instrument that is used for the dismounting diesel injector.
Background technology
Fuel injector is the vitals on the diesel locomotive Diesel engine combustion chamber, and the quality of fuel injector performance has directly influenced the normal performance of diesel powered performance, therefore in daily use, must carry out periodic inspection, maintaining to fuel injector.
Because fuel injector design is in the narrow and small rocking arm axle box in space, the space of fuel injector periphery is very narrow and small, when needing maintaining, people's hand can not be stretched, and parts such as the air chest of its top periphery, valve cross arm, rocker shaft bed can only be disassembled the fuel injector dismounting could be taken off.At present when fuel injector is keeped in repair, the disassemble and assemble work that uses is with simple general utility tool such as traditional sleeve barrel tool, hand hammer and open-end wrench, the dismounting complex process, the dismounting time is long, efficient is low, installation after the maintaining bothers equally very much, when particularly breaking down in the operation process of diesel locomotive, repair has had a strong impact on the unimpeded of forwarding;
Simultaneously, in the process of dismounting fuel injector circumferential component, be easy to cause diesel engine spiracle transverse arm, rocker shaft bed and sealing ring gnawed and cut equivalent damage, also will repair the miscellaneous part of its periphery damage after the fuel injector dismounting is repaired, increased maintenance capacity and repair cost;
Moreover because of the air chest weight above the fuel injector is big, inlet and outlet rocking arm and spacer are little in the end play of rocker arm shaft pedestal, in narrow space, can only lean on the manpower dismounting, and labour intensity is big, do not note also can causing the maintenance personal injuries such as extrusion and collision slightly.
The utility model content
Technical problem to be solved in the utility model is, when overcoming existing fuel injector dismounting maintenance to diesel engine, use conventional tool cause dismounting maintenance time long, work efficiency is low, fragile circumferential component, the maintenance cost height, and big, the unsafe shortcoming of labour intensity, a kind of diesel injector dismantling device is provided.
In order to solve the problems referred to above that prior art exists, the utility model is to adopt following technical proposals to realize: on the body of rod in can being screwed into fuel injector top screw, be with to slide up and down along the body of rod and impact the body of rod, make the body of rod drive fuel injector to break away from or be contained in sliding hammer on the diesel engine.
The utility model also has following technical characterictic:
The described body of rod is made up of stud and guide post, and the last screw rod of stud is screwed in the internal thread hole of guide post one termination shelves platform, and sliding hammer is enclosed within on the shaft of guide post; The retaining cap is screwed on the screw rod of another termination of guide post;
Described sliding hammer, its periphery are the cancave cambered surface of hyperbola for the shaft section both sides;
A described relative end that is screwed in retaining cap and sliding hammer on the screw rod, the aperture on the retaining cap is provided with annular dead slot, and the end face of sliding hammer is provided with external diameter and the suitable boss of retaining cap.
During the dismounting fuel injector, open the top that the distribution case lid exposes fuel injector, the body of rod that sliding hammer is housed is screwed in the screw at fuel injector top, holds the sliding hammer that is enclosed within on the body of rod and upwards impact the upper end on body of rod top, fuel injector directly can be extracted from the combustion chamber of diesel engine and be pulled down along the body of rod; When the dimension fuel injector is installed, with the upper end that the lower end head of fuel injector inserts mounting hole of oil sprayer on the combustion chamber, holds sliding hammer equally and impact shelves platform on the guide post downwards along the body of rod, the head of fuel injector can be installed on the combustion chamber.
Advantage of the present utility model and good effect are, because when dismounting and installation fuel injector, need not be with the dismounting of parts such as the air chest of its top periphery, valve cross arm, rocker shaft bed, only be screwed in the screw at fuel injector top and impact up and down and can finish with the body of rod that sliding hammer is installed, usually fuel injector of original replacing needs 60 minutes, behind use the utility model instrument, only needs just can finish in 15 minutes, safety, convenient, efficient has reduced labour intensity and maintenance cost.
Description of drawings
Fig. 1 is a cutaway view of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Among Fig. 1, body of rod left end at the utility model dismantling device, following screw rod 5.3 in the fuel injector top screw that can be screwed on the burning chamber of diesel engine is arranged, be with on the body of rod and can slide up and down, can impact the body of rod along it and make it move up and down, break away from or be installed in dismounting on the combustion chamber with sliding hammer 3.
The described body of rod, form by stud 5 and guide post 2, the last screw rod 5.1 of stud 5 is screwed in the internal thread hole at guide post 2 left end first gear platforms 4 tops, the endoporus 3.2 of sliding hammer 3 is enclosed within on the shaft of guide post 2 slidably, right-hand member head at guide post 2 is connected with screw rod 2.1, and tapped retaining cap 1 is screwed on the screw rod 2.1 block piece that impacts as sliding hammer 3.Control position and fixing when the last screw rod 5.1 that makes stud 5 is in the screw of the left end first gear platform 4 that is screwed into guide post 2, screw rod 5.1 places on stud 5 shafts near are provided with bar platform 5.2.
When the dismounting fuel injector, hold sliding hammer 3, upwards impact the retaining cap 1 that is screwed on the screw rod 2.1 along the guide post 2 that is screwed into fuel injector, fuel injector can be extracted from the combustion chamber of diesel engine; When fuel injector is installed, with the installing hole upper end on the head insertion combustion chamber of fuel injector lower end, holds sliding hammer 3 equally and firmly impact downwards along guide post 2 shafts, fuel injector can steadily be installed.
Hold sliding hammer 3 for convenience and impact up and down, the excircle of described sliding hammer 3 is made as the cancave cambered surface 3.3 that its shaft section both sides are hyperbola.
For when upwards impacting retaining cap 1 with sliding hammer 3, avoid damaging the internal thread of retaining cap 1, in the opposite end of described retaining cap 1, be provided with annular dead slot 1.1 around the internal thread aperture of retaining cap 1 with sliding hammer 3; For the end face that makes sliding hammer 3 impacts with consistent being convenient to of end face size of retaining cap 1, on sliding hammer 3,, be provided with its external diameter and the suitable boss 3.1 of retaining cap 1 external diameter thickness with retaining cap 1 opposing end faces.
Claims (4)
1. diesel injector dismantling device is characterized in that: on the body of rod in can being screwed into fuel injector top screw, be with to slide up and down along the body of rod and impact the body of rod, make the body of rod drive fuel injector to break away from or be contained in sliding hammer on the diesel engine.
2. diesel injector dismantling device as claimed in claim 1 is characterized in that: the described body of rod is made up of stud and guide post, and the last screw rod of stud is screwed in the internal thread hole of guide post one termination shelves platform, and sliding hammer is enclosed within on the shaft of guide post; The retaining cap is screwed on the screw rod of another termination of guide post.
3. diesel injector dismantling device as claimed in claim 1 or 2 is characterized in that: described sliding hammer, its periphery are the cancave cambered surface of hyperbola for the shaft section both sides.
4. diesel injector dismantling device as claimed in claim 2 is characterized in that: a described relative end that is screwed in retaining cap and sliding hammer on the screw rod, and the aperture on the retaining cap is provided with annular dead slot, and the end face of sliding hammer is provided with external diameter and the suitable boss of retaining cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720023173 CN201040370Y (en) | 2007-06-11 | 2007-06-11 | Dismounting tool for diesel engine fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720023173 CN201040370Y (en) | 2007-06-11 | 2007-06-11 | Dismounting tool for diesel engine fuel injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201040370Y true CN201040370Y (en) | 2008-03-26 |
Family
ID=39252078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720023173 Expired - Fee Related CN201040370Y (en) | 2007-06-11 | 2007-06-11 | Dismounting tool for diesel engine fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201040370Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398247A (en) * | 2010-09-08 | 2012-04-04 | 奇瑞汽车股份有限公司 | Tool for detaching engine injector |
| TWI395642B (en) * | 2012-04-17 | 2013-05-11 | Centrifuge Ind Co Ltd | A stand for supporting an engine injector disassembly apparatus and an injector disassembly assembly comprising the same |
| CN103111982A (en) * | 2013-01-25 | 2013-05-22 | 中国海洋石油总公司 | Installation device and disassembly device for component |
| CN104175276A (en) * | 2014-08-18 | 2014-12-03 | 国家电网公司 | Engine fuel injector demounting tool |
| CN105196240A (en) * | 2015-11-09 | 2015-12-30 | 上海永乾机电有限公司 | Loading and unloading tool of internal thread pin and using method thereof |
| CN105904404A (en) * | 2015-11-30 | 2016-08-31 | 中国人民解放军军事交通学院 | Fuel injector detachment tool for diesel engine |
| CN108857342A (en) * | 2018-08-13 | 2018-11-23 | 上海宝骜工业技术服务有限公司 | A kind of Pneumatic pin puller |
| CN109333433A (en) * | 2018-11-13 | 2019-02-15 | 山东太古飞机工程有限公司 | Aircraft fuel oil filter cover removal tool |
-
2007
- 2007-06-11 CN CN 200720023173 patent/CN201040370Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398247A (en) * | 2010-09-08 | 2012-04-04 | 奇瑞汽车股份有限公司 | Tool for detaching engine injector |
| CN102398247B (en) * | 2010-09-08 | 2014-02-05 | 奇瑞汽车股份有限公司 | Tool for detaching engine injector |
| TWI395642B (en) * | 2012-04-17 | 2013-05-11 | Centrifuge Ind Co Ltd | A stand for supporting an engine injector disassembly apparatus and an injector disassembly assembly comprising the same |
| CN103111982A (en) * | 2013-01-25 | 2013-05-22 | 中国海洋石油总公司 | Installation device and disassembly device for component |
| CN104175276A (en) * | 2014-08-18 | 2014-12-03 | 国家电网公司 | Engine fuel injector demounting tool |
| CN105196240A (en) * | 2015-11-09 | 2015-12-30 | 上海永乾机电有限公司 | Loading and unloading tool of internal thread pin and using method thereof |
| CN105904404A (en) * | 2015-11-30 | 2016-08-31 | 中国人民解放军军事交通学院 | Fuel injector detachment tool for diesel engine |
| CN108857342A (en) * | 2018-08-13 | 2018-11-23 | 上海宝骜工业技术服务有限公司 | A kind of Pneumatic pin puller |
| CN109333433A (en) * | 2018-11-13 | 2019-02-15 | 山东太古飞机工程有限公司 | Aircraft fuel oil filter cover removal tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |