CN204755153U - Common rail fuel injector and fuel pump test device of large -scale internal -combustion engine - Google Patents
Common rail fuel injector and fuel pump test device of large -scale internal -combustion engine Download PDFInfo
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- CN204755153U CN204755153U CN201520367687.2U CN201520367687U CN204755153U CN 204755153 U CN204755153 U CN 204755153U CN 201520367687 U CN201520367687 U CN 201520367687U CN 204755153 U CN204755153 U CN 204755153U
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- Prior art keywords
- petrolift
- sparger
- common rail
- fuel
- test
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Abstract
The utility model relates to a common rail fuel injector and fuel pump test device of large -scale internal -combustion engine, include: testing machine main part, fuel pump mounting fixture, fuel pump, fuel pump actuating motor, test fuel supply department, common rail, sprayer mounting fixture, burner oil recovery unit, flow measurement appearance and the controller of frame shape. Utilize it, at the sprayer to the performance reduction with the fuel pump decomposes and through rinsing and get rid of it inside behind the accumulational foreign matter, even do not install additional in the vehicle etc. Also can be through the performance test machine in advance experimental sprayer and fuel pump whether bring into play the script performance, therefore reduced the trouble that installs additional, dismantles on vehicle etc.. It is further, the utility model discloses can test sprayer and fuel pump simultaneously, therefore not need to be equipped with separately injector testing machine and fuel pump testing machine, so save space and the expense, produce certain beneficial effect.
Description
Technical field
The utility model relates to common rail fuel injector and the petrolift testing apparatus of large combustion engines, particularly relate to after a kind of common rail fuel injector at the Long-Time Service to the large combustion engines be installed on boats and ships etc. and petrolift rebuild, even if do not reinstall, common rail fuel injector and petrolift testing apparatus that whether sparger and fuel pump performance meet the large combustion engines of benchmark also easily can be tested.
Background technique
Common rail motor refers to the fuel injection system (hereinafter referred to as " sparger ") of compression set (compress energy storage device, track) and the responsiveness brilliance utilizing energy precise electronic to control, the mode of direct fuel injection according to operating condition, this common rail motor is different from the original motor by mixer, fuel and air being fed to firing chamber, but to firing chamber the fuel of direct inject high pressure, thus can form motor and fuel ejection function independently, thus there is design and control to be easy to advantage.
This common rail motor widely uses recently in the internal-combustion engine of such as diesel engine, with regard to this common rail motor, along with Long-Time Service, foreign matters etc. are piled up in the sparger and petrolift of high-pressure injection fuel, fuel injection speed and emitted dose is caused to reach reference value, now, because the power of motor is low, there is the problem being difficult to ensure normal function.
Therefore, the sparger of the common rail motor of Long-Time Service and petrolift etc. are decomposing and are re-assemblying use after cleaning, now, whether the sparger re-assemblied and petrolift play the performance meeting benchmark, be not installed on vehicle etc. to be then difficult to confirm, therefore, deposit in an exceptional case in function, need again to be separated the problems such as inspection.
In order to solve problem as above, develop the testing apparatus of the performance of test sparger etc., as the example of this technology, there is the internal-combustion engine co-rail ejector test fixture device of the co-rail ejector testing apparatus of the internal-combustion engine of No. 911051st, registered patent and method thereof, No. 0899187th, registered patent.
But testing apparatus disclosed in described patent documentation and test fixture device, only to be connected to the sparger of common rail for its subjects, thus to be then difficult to test for the petrolift together rebuild with sparger, only to judge whether merely to operate.
Therefore, requiring that exploitation is a kind of can the testing apparatus of experimental performance simultaneously after rebuilding the sparger of Long-Time Service and petrolift.
[prior art document]
[patent documentation]
(patent documentation 1) KR10-0911051B1
(patent documentation 2) KR10-0899187B1
(patent documentation 3) KR10-2011-0017516A
(patent documentation 4) KR10-1152570B1
(patent documentation 5) KR10-0184432B1
(patent documentation 6) KR10-2010-0038259A
Model utility content
(technical problem that will solve)
The utility model just in order to solve common rail fuel injector in the past as above and petrolift testing apparatus with problem research and develop, its object is to common rail fuel injector and petrolift testing apparatus that a kind of large combustion engines is provided, the sparger rebuild and petrolift is required to decompose to Long-Time Service and after removing the foreign matter of building up inside etc., even if be not installed on vehicle or boats and ships etc., also easily can test and whether normally play the performance meeting benchmark.
(means of dealing with problems)
The purpose of this utility model as above is testing apparatus by means of following common rail fuel injector and petrolift and reaches, and comprising: the testing machine main body of frame shape; Petrolift mounting fixture, its level is installed in described testing machine main body, installs additional fixing for petrolift; Petrolift drive motor, it is installed on the side of described petrolift mounting fixture, petrolift described in rotary actuation; Test fuel supply department, its inside to petrolift supply test fuel; Common rail, it makes test fuel with high pressure and low pressure feed by means of the driving of petrolift; Sparger mounting fixture, it is connected the sparger also internally supplying the test fuel of both constant-pressures and is fixed in main body with common rail; Burner oil recovery unit, it reclaims the test fuel sprayed by sparger; Flowmeter, it measures the flow of the test fuel that burner oil recovery unit reclaims; And controller, it controls the running of petrolift drive motor, test fuel supply department, common rail and sparger respectively, and the flow of the test fuel utilizing flowmeter to measure, judges whether petrolift and sparger run well.
And in the utility model, petrolift mounting fixture can comprise: jig main body, and it has length in the horizontal direction, is formed with elongated hole along its length; Fixed plate, it is installed on the top of jig main body, and for petrolift fixed installation, fixed plate can slide and adjusted position along elongated hole.
In addition, preferred sparger mounting fixture of the present utility model comprises: the first fixture, and it is drum open up and down, is inserted in the bottom in sparger throughly; Second fixture, it inserts the side being fixed on sparger, is connected and fixed with the first fixture; Fixed plate, itself and the second fixture are connected and fixed, and are fixed in testing machine main body.
On the other hand, in the utility model, can radially be formed with multiple connect apertures on the first fixture, possess a pair combined axis with length below downwards.
In addition, burner oil recovery unit of the present utility model can comprise: support frame, and it is open with bi-side above
cross-sectional shape; Web, it covers above support frame, is combined with sparger mounting fixture; Fuel recovery block, it can slide up and down to be installed between support frame and web, reclaims the test fuel that sparger sprays; And height adjusting axle, install below its through support frame, support below fuel recovery block.
And in the utility model, more preferably in the bi-side of support frame, vertically length direction is formed with bullport, and fuel recovery block is provided with the guiding elements be slidably connected with bullport.
On the other hand, more preferably in the bi-side of web of the present utility model, have to hook shape and protrude a pair link projection formed.
(model utility effect)
Sparger and petrolift are installed on the internal-combustion engine such as boats and ships or vehicle, along with Long-Time Service, foreign matter is at building up inside, original performance cannot be played, the utility model is decomposing the sparger of hydraulic performance decline and petrolift and after remove the foreign matter of its building up inside by cleaning, even if be not installed in vehicle etc., also result of performance test machine and pre-trial sparger and petrolift whether can play performance originally, thus decrease the trouble installing additional, dismantle on vehicle etc.
Furthermore, the utility model can test sparger and petrolift simultaneously, does not thus need to be equipped with injector testing machine and petrolift testing machine separately, so save space and expense.
Accompanying drawing explanation
Fig. 1 is the stereogram showing the common rail fuel injector of large combustion engines of the present utility model and the example of petrolift testing apparatus,
Fig. 2 is the pie graph of Fig. 1,
Fig. 3 is the stereogram of the example showing petrolift mounting fixture of the present utility model,
Fig. 4 is the explosive view of the example of display sparger mounting fixture of the present utility model and burner oil recovery unit,
Fig. 5 is the stereogram of the example showing burner oil recovery unit of the present utility model,
Fig. 6 is the profile of Fig. 5,
Fig. 7 and Fig. 8 is the using state figure of the example of the web showing burner oil recovery unit of the present utility model.
< symbol description >
1: petrolift 2: sparger
2A: engagement groove 3: test fuel case
10: testing machine main body 20: petrolift mounting fixture
21: jig main body 21A: elongated hole
22: fixed plate 22A: fixing bolt
30: drive motor 40: test fuel supply department
50: common rail 60: sparger mounting fixture
61: the first fixture 61A: connect apertures
61B: combined axis 62: the second fixture
63: fixed plate 70: burner oil recovery unit
71: support frame 71A: bullport
72: web 72A: through hole
72B: link protruding 73: fuel recovery block
74: height adjusting axle 75: valve
80: flowmeter 90: controller
B: guiding elements
Embodiment
Below by the accompanying drawing illustrating preferred embodiment, the utility model is described in detail.
The utility model relates to a kind of common rail fuel injector and petrolift testing apparatus of large combustion engines, the sparger rebuild and petrolift is required to decompose to Long-Time Service and after removing the foreign matter of building up inside etc., even if be not installed on vehicle or boats and ships etc., also easily can test and whether normally play the performance meeting benchmark.
The utility model as above as shown in Figures 1 and 2, can comprise: the testing machine main body 10 of frame shape; Petrolift mounting fixture 20, its level is installed in testing machine main body 10, installs additional fixing for petrolift 1; Petrolift drive motor 30, it is installed on the side of petrolift mounting fixture 20, petrolift 1 described in rotary actuation; Test fuel supply department 40, its inside to petrolift 1 supply test fuel; Common rail 50, its driving by means of petrolift 1 and make test fuel with high pressure and low pressure feed; Sparger mounting fixture 60, it is connected with common rail 50 and the sparger 2 internally supplying the test fuel of both constant-pressures is fixed in described main body 10; Burner oil recovery unit 70, it reclaims the test fuel sprayed by sparger 2; Flowmeter 80, it measures the flow of the test fuel that burner oil recovery unit 70 reclaims; And controller 90, it controls the running of petrolift drive motor 30, test fuel supply department 40, common rail 50 and sparger 2 respectively, and the flow of the test fuel utilizing flowmeter 80 to measure, judges whether petrolift 1 and sparger 2 run well; On this basis, in the side of main body 10, the test fuel storage box 3 stored for test fuel can be comprised.
In addition, in the utility model, consisting of to obtain stream to utilize petrolift 1 to supply test fuel to common rail 50, the test fuel being fed to common rail 50 is fed to sparger 2 by means of both constant-pressures, the formation of this stream is widely known, thus, in the utility model, omit detailed description thereof, respectively described formation is described below.
First, main body 10 as shown in Figure 1, connects multiple framework, is formed, in this main body 10, be provided with petrolift mounting fixture 20 described later, test fuel supply department 40, common rail 50 and flowmeter 80 and controller 90 with corner box like.
Petrolift mounting fixture 20 is installed on the bottom of main body 10 along left and right length direction, fixedly mount for petrolift 1, this petrolift mounting fixture 20 as shown in Figures 1 and 3, comprising: jig main body 21, it has length in the horizontal direction, is formed with elongated hole 21A along its length; Fixed plate 22, it is installed on the top of jig main body 21, fixedly mounts for petrolift 1, and fixed plate 22 can slide and adjusted position along described elongated hole 21A.
In addition, on fixed plate 22, possess and can insert fixing mounting part (without drawing reference numeral) for petrolift 1, be provided with fixing bolt 22A in this mounting part, by means of the action of turning on, being fastened and fixed bolt 22A, petrolift 1 is fixing or remove fixing.
And, fixed plate 22 is along the elongated hole 21A slip running of jig main body 21, close mobile with the drive motor 30 being positioned at its one end, thus, the rotating shaft of petrolift 1 is made to combine (rotating shaft of petrolift 1 and the running shaft of drive motor 30 can relative sliding) with the running shaft (without drawing reference numeral) of drive motor 30, thus access rotating power to petrolift 1, now, the preferred fixed plate 22 sliding running is fixed by means of other fixing bolt (without drawing reference numeral), keeps its position can firmly fix.
Drive motor 30 replaces the power source by means of the internal-combustion engine of vehicle or boats and ships etc. to petrolift 1 transmitting rotary power, as shown in Figures 1 and 2, be installed on the side of fixed plate 22, this drive motor 30 can be selected to install in the drive motor of the various shape of general known enforcement and power, easily to be implemented by those skilled in the art, thus omit the detailed description to this.
Be installed on the inside of main body 10 and supply the test fuel supply department 40 of test fuel as shown in Figures 1 and 2 to petrolift 1, being connected with stream with petrolift 1, the test fuel of given amount is supplied to petrolift 1.
In the common rail 50 that the upper side of main body 10 is installed, sparger 2 is supplied to both constant-pressures for test fuel that petrolift 1 is provided, this common rail 50 is installed on vehicle or boats and ships etc. usually, but in the utility model, in order to the actual drive environment that the petrolift 1 and sparger 2 that copy trimming strictly according to the facts use, test common rail 50 has been installed separately, thus, make petrolift 1 can play performance with the condition identical with actual drive environment with sparger 2, its result, the credibility of test result is improved.
Sparger 2 is connected with stream, make to obtain from common rail 50 test fuel supplying both constant-pressures, sparger mounting fixture 60 makes described sparger 2 firmly be fixed on main body 10h, make not rock in simulation test, described sparger mounting fixture 60 as shown in Figure 4, comprise: the first fixture 61, it is drum open up and down, is inserted in the bottom in sparger 2 throughly; Second fixture 62, it is the tabular of " U " font, inserts fixing, be connected and fixed with the first fixture 61 by means of the engagement groove 2A formed in the side of sparger 2 or step rib; Fixed plate 63, itself and the second fixture 62 are connected and fixed, and are fixed in testing machine main body 10.
Now, multiple connect apertures 61A is radially formed on the first fixture 61, possess a pair combined axis 61B with length below downwards, by means of this connect apertures 61A, the mounting point of the second fixture 62 and fixed plate 63 can be changed aptly, in addition, utilize a pair combined axis 61B, burner oil recovery unit 70 described later can be installed fixing easily.
By means of formation as above, the utility model is after the first fixture 61 is nested into the lower end of sparger 2, by means of engagement groove 2A or the step of sparger 2, second fixture 62 is installed to side direction, they utilize bolt etc. interconnected fixing, thus fixedly make sparger 2 not teetertotter, in addition, utilize the fixed plate 63 protruded to side, sparger mounting fixture 60 is fixed in main body 10, thus sparger 2 can be easily and firmly fixing, on this basis, it is also firmly fixing that burner oil recovery unit 70 described later is installed on the first fixture 61, thus, burner oil recovery unit 70 keeps the lower end spray nozzle part being closely attached on sparger 2, thus the test fuel of sparger 2 high-pressure injection all reclaims without External leakage ground.
Burner oil recovery unit 70 by means of sparger mounting fixture 60 the first fixture 61 with a pair combined axis 61B and be adjacent to the lower end spray nozzle part being installed on sparger 2, thus the test fuel sprayed is reclaimed, as illustrated in figures 5 and 6, it comprises: support frame 71, and it is open with bi-side above
cross-sectional shape; Web 72, it covers above support frame 71, is combined with sparger mounting fixture 60; Fuel recovery block 73, it can slide up and down to be installed between support frame 71 and web 72, reclaims the test fuel that sparger 2 sprays; And height adjusting axle 74, install below its through support frame 71, support below fuel recovery block 73.
And in the bi-side of support frame 71, vertically length direction is formed with bullport 71A; On fuel recovery block 73, the guiding elements B be slidably connected with bullport 71A is installed, thus, even if fuel recovery block 73 oscilaltion running, do not depart from the fixed track in its position yet.
In addition, the through support frame 71 of height adjusting axle 74, regulates the upper end level of height adjusting axle 74 by means of swivel bolt action, by means of the upper end level regulating height adjusting axle 74, and fuel recovery block 73 oscilaltion.
On this basis, fuel recovery block 73 is made to be positioned at the lower end spray nozzle part of sparger 2, if further fastening height adjusting axle 74, boost below fuel recovery block 73, so fuel recovery block 73 rises, keep the lower end spray nozzle part being closely attached on sparger 2, thus, the test fuel preventing sparger 2 from spraying leaks.
On the other hand, in the utility model, on the first fixture 61 that burner oil recovery unit 70 easily can be installed in sparger mounting fixture 60 or pull down, for this reason, as shown in Figure 7, in the bi-side of web 72, have and protrude the protruding 72B of a pair link formed with hook-shaped.
The burner oil recovery unit 70 of structure described above is in order to be fixedly installed on sparger mounting fixture 60, first, link protruding 72B and correspond to the position of protruding a pair combined axis 61B formed below the first fixture 61, configure with separating appropriate intervals, make to link protruding 72B to insert to side direction, then support frame 71 entirety is made to rotate first retainer clockwise or counterclockwise, thus, link protruding 72B insert a pair combined axis 61B simultaneously and fix, in this case, as shown in Figure 8, make height adjusting axle 74 spiral rotating, thus make its upper end rises, make it to rise to pressurization below fuel recovery block 73, thus, fuel recovery block 73 is adjacent to the lower end spray nozzle part of sparger 2, a pair combined axis 61B is also adjacent to the protruding 72B of link, burner oil recovery unit 70 is firmly fixed on sparger mounting fixture 60, in the process, fuel recovery block 73 is also adjacent to the lower end spray nozzle part of sparger 2, the test fuel sprayed does not leak into outside, by the valve 75 of the internal flow path (not shown) connection with fuel recovery block 73, supply to flowmeter 80 described later, flow is measured.
Reclaim and measure the flowmeter 80 of test fuel sprayed by burner oil recovery unit 70, by means of various flow rate measuring device and the method for general known enforcement, the test fuel flow sprayed is measured, in order to those skilled in the art more easily implements, it can change to multiple method and device is implemented, therefore, the further description to flowmeter 80 is omitted.
The controller 90 being installed on main body 10 side controls petrolift drive motor 30 respectively, test fuel supply department 40, the running of common rail 50 and sparger 2, utilize the test fuel flow that flowmeter 80 is measured, judge whether petrolift 1 and sparger 2 run well, in the utility model, suitable rotating power is accessed to petrolift 1, thus according to being provided with the kind of internal-combustion engine of sparger 2, such as, according to vehicle, power etc., with the suitable pressure test fuel supply pre-set, in addition, by per minute or the test fuel emitted dose per second of sparger 2 measure setup, or measure the emitted dose etc. of the test fuel caused that at every turn operates, by means of various method, judge whether the fuel injection running of sparger 2 is normal.
With regard to the common rail fuel injector of large combustion engines of the present utility model that forms as mentioned above and petrolift testing apparatus, even if sparger and the petrolift of cleaning and trimming are not installed in vehicle etc., also can result of performance test machine and whether pre-trial plays original performance, furthermore, sparger and petrolift can be tested simultaneously, thus without the need to being equipped with injector testing machine and petrolift testing machine separately, thus space and expense is saved.
Claims (7)
1. the common rail fuel injector of large combustion engines and a petrolift testing apparatus, is characterized in that, comprising:
The testing machine main body (10) of frame shape;
Petrolift mounting fixture (20), its level is installed on described testing machine main body (10), installs additional fixing for petrolift (1);
Petrolift drive motor (30), it is installed on the side of described petrolift mounting fixture (20), petrolift described in rotary actuation (1);
Test fuel supply department (40), its inside to described petrolift (1) supply test fuel;
Common rail (50), its driving by means of described petrolift (1) and make test fuel with high pressure and low pressure feed;
Sparger mounting fixture (60), it is connected the sparger (2) also internally supplying the test fuel of both constant-pressures and is fixed in described main body (10) with described common rail (50);
Burner oil recovery unit (70), it reclaims the test fuel sprayed by described sparger (2);
Flowmeter (80), it measures the flow of the test fuel that described burner oil recovery unit (70) is reclaimed; And
Controller (90), it controls the running of described petrolift drive motor (30), test fuel supply department (40), common rail (50) and sparger (2) respectively, the flow of the test fuel utilizing described flowmeter (80) to measure, judges whether described petrolift (1) and sparger (2) run well.
2. the common rail fuel injector of large combustion engines according to claim 1 and petrolift testing apparatus, is characterized in that,
Described petrolift mounting fixture (20) comprising: jig main body (21), and it has length in the horizontal direction, is formed with elongated hole (21A) along its length;
Fixed plate (22), it is installed on the top of described jig main body (21), for described petrolift (1) fixed installation, described fixed plate (22) can slide and adjusted position along described elongated hole (21A).
3. the common rail fuel injector of large combustion engines according to claim 1 and petrolift testing apparatus, is characterized in that,
Described sparger mounting fixture (60) comprising:
First fixture (61), it is drum open up and down, is inserted in the bottom in described sparger (2) throughly;
Second fixture (62), it inserts the side being fixed on described sparger (2), is connected and fixed with described first fixture (61);
Fixed plate (63), itself and described second fixture (62) are connected and fixed, and are fixed on described testing machine main body (10).
4. the common rail fuel injector of large combustion engines according to claim 3 and petrolift testing apparatus, is characterized in that,
On described first fixture (61), be radially formed with multiple connect apertures (61A), possess a pair combined axis (61B) with length below downwards.
5. the common rail fuel injector of large combustion engines according to claim 1 and petrolift testing apparatus, is characterized in that,
Described burner oil recovery unit (70) comprising:
Support frame (71), it is " Qian " cross-sectional shape open with bi-side above;
Web (72), it covers above described support frame (71), combines with described sparger mounting fixture (60);
Fuel recovery block (73), it can slide up and down to be installed between described support frame (71) and web (72), reclaims the test fuel that described sparger (2) sprays; And
Height adjusting axle (74), installs below its through described support frame (71), supports below described fuel recovery block (73).
6. the common rail fuel injector of large combustion engines according to claim 5 and petrolift testing apparatus, is characterized in that,
In the bi-side of described support frame (71), vertically length direction is formed with bullport (71A);
On described fuel recovery block (73), the guiding elements (B) be slidably connected with described bullport (71A) is installed.
7. the common rail fuel injector of the large combustion engines according to claim 5 or 6 and petrolift testing apparatus, is characterized in that,
In the bi-side of described web (72), have to hook shape and protrude a pair link projection (72B) formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367687.2U CN204755153U (en) | 2015-06-01 | 2015-06-01 | Common rail fuel injector and fuel pump test device of large -scale internal -combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367687.2U CN204755153U (en) | 2015-06-01 | 2015-06-01 | Common rail fuel injector and fuel pump test device of large -scale internal -combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN204755153U true CN204755153U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520367687.2U Expired - Fee Related CN204755153U (en) | 2015-06-01 | 2015-06-01 | Common rail fuel injector and fuel pump test device of large -scale internal -combustion engine |
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| CN (1) | CN204755153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081698A (en) * | 2019-06-13 | 2020-12-15 | 德尔福知识产权有限公司 | Injector diagnostic tool |
-
2015
- 2015-06-01 CN CN201520367687.2U patent/CN204755153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081698A (en) * | 2019-06-13 | 2020-12-15 | 德尔福知识产权有限公司 | Injector diagnostic tool |
| CN112081698B (en) * | 2019-06-13 | 2024-03-19 | 德尔福知识产权有限公司 | Injector diagnostic tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20170601 |