CN2369239Y - Random tester for diesel engine - Google Patents
Random tester for diesel engine Download PDFInfo
- Publication number
- CN2369239Y CN2369239Y CN 99204579 CN99204579U CN2369239Y CN 2369239 Y CN2369239 Y CN 2369239Y CN 99204579 CN99204579 CN 99204579 CN 99204579 U CN99204579 U CN 99204579U CN 2369239 Y CN2369239 Y CN 2369239Y
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- diesel engine
- random
- detector
- pressure
- valve body
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- Expired - Fee Related
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Abstract
The utility model discloses a random tester for a diesel engine, mainly composed of a dial gauge, a valve body, a distributing valve core, and a hand wheel. The utility model is arranged on diesel engines directly, four positions (1, 2, 3, 4) which respectively test for the oil supply pressure of the diesel engine, the sealing pressure of a plunger and barrel assembly, the sealing performance of an oil outlet valve, and the injection pressure of a fuel injector are carved on the hand wheel. Because of the special structure of the dial gauge, the dial gauge can measure fuel delivery of each cylinder of the diesel engine on order to judge and eliminate failure of an oil supply system of the diesel engine more accurately.
Description
The utility model relates to a kind of detector, especially the diesel engine of being made up of indicating gauge, valve body, distribution spool and handwheel detector at random.
The fuel feeding deficiency often appears in oil supply system during diesel engine work, injection pressure is not enough and the not enough phenomenon of compression pressure without combustion, detect fuel delivery and injection pressure and atomizer and injection pump must be removed to be installed on the testing table from diesel engine and just can detect, the compression pressure without combustion that detect diesel engine also must be installed on the injector orifice with special cylinder pressure gage and just can detect; Therefore cause certain difficulty of fuel system for diesel engine fault detect.
The purpose of this utility model provides a kind of diesel engine detector at random, it can detect fuel delivery, the sealing load of plunger matching parts, the sealing load of delivery valve, injection pressure, the compression pressure without combustion of fuel system for diesel engine easily, and can adjust the fuel delivery of diesel engine.
In order to achieve the above object, solution of the present utility model is: between the atomizer of diesel engine and injection pump detector at random is installed directly, at any time check whether fuel system for diesel engine fuel delivery, plunger matching parts sealing load, delivery valve sealing property be normal, and utilize indicating gauge that fuel delivery is adjusted to normal value; At any time check whether fuel system for diesel engine injection pressure and compression pressure without combustion be normal, so that failure judgement exactly.
Above-mentioned diesel engine detector at random mainly is made up of indicating gauge, valve body, distribution spool, handwheel, and indicating gauge is fixed on the T-shaped measurement of the valve body oil duct, distributes spool to be installed in the valve body T-shaped and measures in the oil duct, and handwheel sleeve is fixed on the distribution spool and with nut.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the utility model diesel engine front view of detector at random;
Fig. 2 be the utility model diesel engine at random detector along the cut-open view of B-B line;
Fig. 3 is the utility model diesel engine shown in Figure 1 cut-open view of detector when the diesel engine operate as normal at random;
Fig. 4 be utility model diesel engine shown in Figure 3 at random detector along the cut-open view of I-I line;
Fig. 5 is the utility model diesel engine shown in Figure 1 cut-open view of detector detection fuel delivery, plunger matching parts sealing load, delivery valve sealing property position at random;
Fig. 6 be utility model diesel engine shown in Figure 5 at random detector along the cut-open view of II-II line;
Fig. 7 is the utility model diesel engine shown in Figure 1 cut-open view of detector detection injection pressure position at random;
Fig. 8 be utility model diesel engine shown in Figure 7 at random detector along the cut-open view of III-III line;
Fig. 9 is the utility model diesel engine shown in Figure 1 sectional view of detector detection compression pressure without combustion position at random;
Figure 10 be utility model shown in Figure 9 at random detector along the cut-open view of IV-IV line.
In the front view shown in Figure 1, the diesel engine indicating gauge of detector (1) at random is fixed on the measurement oil duct of valve body (4), and the both sides of valve body (4) use nut (3) to be connected fuel injector high-pressure oil pipe (2) and injection pump high-pressure oil pipe (8) with (7) respectively.
Cut-open view shown in Figure 2, the sliding plug sleeve (23) of indicating gauge (1) is connected with screw (15) with watchcase (14), sliding plug sleeve (23) lining is equipped with sliding plug (22) and pressure spring (21), sliding plug (22) top is tooth bar, with little halogen wheel (19) engagement that is fixed on the needle pivot (18), hairspring (25) is housed on the needle pivot (18), to guarantee the engagement of no gap, needle pivot (18) be installed in sliding plug sleeve (23) the upper end, dial plate (16) also is installed in watchcase (14) lining and table covers (17), the lower end of sliding plug sleeve (23) is processed with screw thread, be used to connect the measurement oil duct of valve body (4), be lined with pad (24) between screw thread end face and valve body (4), to guarantee sealing, watchcase (14) bottom is drilled with aperture to drain the oil that leaks in the watchcase (14); Be carved with two circle readings on the dial plate (16), a circle expression pressure (MPa), another circle expression fuel delivery (ml); Plug screw (11) is pushed down holddown spring (12) and will be distributed spool (13) to be installed in the measurement oil duct of valve body (4), and guaranteed that no gap cooperates, handwheel (5) is enclosed within on the distribution spool (13) and pushes down retainer spring (9) and the steel ball (10) that is installed on the valve body (4), uses nut (6) to be fixed in the front end face of valve body (4) again.
Cut-open view when being the diesel engine operate as normal shown in Figure 3, when diesel engine last 1 position of detector handwheel (5) up the time at random, distribute the aperture, two ends, T-shaped hole on the spool (13) to be communicated with fuel injector high-pressure oil pipe (2) and injection pump high-pressure oil pipe (8), diesel injection pump is through distributing spool (13) to the burning chamber of diesel engine fuel feeding, this moment the diesel engine operate as normal, indicating gauge (1) is not worked.
The location drawing in T-shaped hole when being the diesel engine operate as normal shown in Figure 4.
Cut-open view shown in Figure 5 is to detect the diesel injection pump fuel delivery, the plunger matching parts sealing load, cut-open view during the delivery valve sealing property, when diesel engine when detector handwheel (5) is rotated counterclockwise 90 ° of 2 position and makes progress at random, distribute the oilhole of spool (13) that right oil duct of valve body and last oil duct are communicated with, the diesel engine fuel injecting oil pump feed enters in the sliding plug sleeve (23) of indicating gauge (1) through distributing spool (13), and without diesel injector, at this moment can check the sealing of diesel engine plunger matching parts delivery valve and the fuel delivery of diesel engine, detection method is as follows: fuel delivery adopts manual pump oil mode to detect, pointer (20) in indicating gauge (1) is when just moving, opening entry injection pump pump oil number of times, when pointer (20) points to reading 15MPa, stop manual pump oil, this moment, the corresponding oil mass at 15MPa place was that the pump oil number of times that L (ml) writes down is n, being calculated as follows of fuel delivery: diesel injection pump pump oil is for 1000 times: 1000L/n * (ml), be the fuel delivery of diesel engine single cylinder; The oil mass size of 15MPa correspondence is decided by the diameter of sliding plug (22), therefore can select different specifications for use according to the required fuel delivery of diesel engine; Manual pump oil mode is still adopted in the detection of the sealing load of plunger matching parts, ceaselessly make ram pump oil with pump oiled-plate method hand, after oil enters sliding plug sleeve (23) along with the increase of oil inlet quantity, sliding plug (22) is pushed, pressure spring (21) is compressed, rack drives gear (19) on the sliding plug (22) rotates, needle pivot (18) is pointed out reading along with rotating and drive pointer (20) rotation, when oil in entering sliding plug sleeve (23) and pressure spring (21) pressure equilibrium, sliding plug (22) is no longer mobile, and at this moment the reading of pointer (20) indication is exactly the sealing load of plunger matching parts; Stop to observe the speed that pointer (20) descends behind the pump oil, can judge the sealing of fuel tap.
Shown in Figure 6 is the location drawing in T-shaped hole when detecting the diesel injection pump fuel delivery.
Cut-open view when cut-open view shown in Figure 7 detects the diesel injector injection pressure, when diesel engine at random detector handwheel (5) be rotated counterclockwise 180 ° of 3 position up the time, T-shaped hole on the distribution spool (13) is communicated with the left and right sides oil duct and the last oil duct of valve body (4) simultaneously, after oil enters sliding plug sleeve (23), increase along with oil inlet quantity, sliding plug (22) is pushed, pressure spring (21) is compressed, rack drives gear (19) on the sliding plug (22) rotates, needle pivot (18) is along with rotation, and reading is pointed out in drive pointer (20) rotation, when oil in entering sliding plug sleeve (23) and pressure spring (21) pressure equilibrium, sliding plug (22) is no longer mobile, and the indicated reading of pointer (20) is exactly the injection pressure of fuel injector.
Shown in Figure 8 is the location drawing in T-shaped hole when detecting the diesel injection pump charge oil pressure.
Shown in Figure 9 is cut-open view when detecting the cylinder of diesel engine compression pressure, when diesel engine when detector handwheel (5) is rotated counterclockwise 270 ° at random, 4 positions up, distribute the T-shaped hole on the spool (13) that the same oil duct of the left oil duct of valve body (4) is communicated with, right oil duct is obstructed, at this moment needs to be folded down the oil nozzle idol part on the diesel injector (26), changes retaining valve (27), refill on the cylinder head of diesel engine, can measure the compression pressure of cylinder of diesel engine.
Shown in Figure 10 is the location drawing in T-shaped hole when detecting the cylinder of diesel engine compression pressure.
When the utility model is used for multi-cylinder diesel engine, can with diesel engine at random detector valve body (4) make Contiuum type, a plurality of distribution spools (13) are installed simultaneously, polyphone is connected to indicating gauge (1), connect each cylinder injector of multi-cylinder diesel engine respectively with high-pressure oil pipe again and get final product, above-mentioned the utility model scope that all belongs to.
Claims (7)
1. one kind mainly by indicating gauge, valve body, distribute spool, the diesel engine that handwheel is formed is detector at random, it is characterized in that: indicating gauge (1) is by dial plate (16), pressure spring (21), sliding plug (22), sliding plug sleeve (23) is formed, screw thread by sliding plug sleeve (23) one ends is fixed on the valve body (4), plug screw (11) is pushed down holddown spring (12) and will be distributed spool (13) to be installed in the measurement oil duct of valve body (4), and guarantee that no gap cooperates, handwheel (5) is enclosed within on the distribution spool (13) and pushes down retainer spring (9) and the steel ball (10) that is installed on the valve body (4), uses nut (6) to be fixed in the front end face of valve body (4) again.
2. diesel engine according to claim 1 is detector at random, it is characterized in that: be carved with two circle scales on the dial plate (16), pressure is represented in the outer ring, and inner ring is represented oil mass.
3. diesel engine according to claim 1 is detector at random, it is characterized in that: pressure spring (21) is enclosed within on the sliding plug (22), and sliding plug (22) top is tooth bar, and being meshed with pinion wheel (19) on the needle pivot (18) is installed in the sliding plug sleeve (23).
4. according to claim 1 or 3 described diesel engines detector at random, it is characterized in that: an end of needle pivot (18) is fixed on the sliding plug sleeve (23), and the other end stretches out dial plate (16) and pointer (20) is installed.
5. diesel engine according to claim 1 is detector at random, it is characterized in that: valve body has T-shaped oil hole in (4), and its three directions are respectively leads to indicating gauge (1), fuel injector high-pressure oil pipe (2) and injection pump high-pressure oil pipe (8).
6. diesel engine according to claim 1 is detector at random, it is characterized in that: an end of distribution spool (13) is processed with screw thread, radially has along xsect to be T-shaped three apertures, and three spans are 90 °.
7. diesel engine according to claim 1 is detector at random, it is characterized in that: be carved with 1,2,3,4 four position mark on the handwheel (5) by 90 ° of five equilibriums, 1 expression diesel engine normal operation position, the position of the fuel delivery of 2 expression detection diesel injection pumps, plunger and bare of injection pump sealing load, delivery valve sealing property, 3 expressions detect the position of the injection pressure of diesel injector, and 4 expressions detect the position of the compression pressure of cylinder of diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204579 CN2369239Y (en) | 1999-02-11 | 1999-02-11 | Random tester for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204579 CN2369239Y (en) | 1999-02-11 | 1999-02-11 | Random tester for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2369239Y true CN2369239Y (en) | 2000-03-15 |
Family
ID=33999316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99204579 Expired - Fee Related CN2369239Y (en) | 1999-02-11 | 1999-02-11 | Random tester for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2369239Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593738A (en) * | 2016-12-23 | 2017-04-26 | 重庆市合川区九峰煤炭有限公司 | Auxiliary calibration device for diesel engine fuel injection pump for mining |
| CN106625335A (en) * | 2016-12-23 | 2017-05-10 | 重庆市合川区九峰煤炭有限公司 | Simple calibration device for injection pump used in coal mining site |
-
1999
- 1999-02-11 CN CN 99204579 patent/CN2369239Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593738A (en) * | 2016-12-23 | 2017-04-26 | 重庆市合川区九峰煤炭有限公司 | Auxiliary calibration device for diesel engine fuel injection pump for mining |
| CN106625335A (en) * | 2016-12-23 | 2017-05-10 | 重庆市合川区九峰煤炭有限公司 | Simple calibration device for injection pump used in coal mining site |
| CN106593738B (en) * | 2016-12-23 | 2019-04-02 | 重庆市合川区九峰煤炭有限公司 | A kind of mining auxiliary device of diesel engine fuel injecting calibration of pump |
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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 |