CN202789271U - Full-computer high-precision fuel injection pump test-bed - Google Patents
Full-computer high-precision fuel injection pump test-bed Download PDFInfo
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- CN202789271U CN202789271U CN 201220458798 CN201220458798U CN202789271U CN 202789271 U CN202789271 U CN 202789271U CN 201220458798 CN201220458798 CN 201220458798 CN 201220458798 U CN201220458798 U CN 201220458798U CN 202789271 U CN202789271 U CN 202789271U
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- injection pump
- oil
- fuel injection
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- cylinder
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Abstract
The utility model relates to a full-computer high-precision fuel injection pump test-bed and belongs to the field of adjustment and verification of fuel injection pump of diesel engines. The full-computer high-precision fuel injection pump test-bed comprises a rack (4), a control system and a fuel injection pump (7) to be tested. The full-computer high-precision fuel injection pump test-bed is characterized in that the rack (4) is provided with a motor (3), the rotary shaft of the motor (3) connected with a revolution sensor (5) in series and the rotary shaft of the fuel injection pump (7) to be tested are fixed together through a coupler (6). The fuel injection pump (7) to be tested is connected with a fuel injector (11) fixedly arranged at the tail end of a pipeline through the pipeline. A fuel collecting cylinder (14) is arranged under the fuel injector (11), a fuel amount measuring device is connected to one side of a bottom plate of the collecting cylinder (14), the measuring work is controlled by the control system, and a fuel receiving disc (10) is installed below the collecting cylinder (14). The test-bed has the characteristics of detecting the performance parameters of the fuel injector to be tested precisely, displaying the parameters immediately, storing and printing and the like.
Description
Technical field
Full computerization highi degree of accuracy fuel injection pump tester belongs to adjustment and verification field to diesel injection pump, is specifically related to a kind of can accurately the measurement and the digital fuel injection pump tester that shows the fuel injection quantity of Injection Pump.
Background technique
Fuel injection pump tester is the equipment to diesel injection pump adjustment and verification, international advanced fuel injection pump tester all adopts weight method that the oil mass of Injection Pump ejection is measured at present, but the fuel injection pump tester of import is expensive, domestic manufacturer can't bear, only in laboratory using, be not suitable for production line and use in a large number.The method that domestic fuel injection pump tester still adopts range estimation graduated cylinder and volume sensor automatically to measure on the method for measurement of oil mass usually, the method measuring speed of this measurement is slow and method error is larger, can cause the diesel emission can not be up to standard, befouling environment, waste fuel, the quality of product performance is low.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of and can accurately detect oil spout technical data required for the pump to be measured, whether reach the full computerization highi degree of accuracy fuel injection pump tester of technical requirements to judge Injection Pump.
The technological scheme that its technical problem that solves the utility model adopts is: this full computerization highi degree of accuracy fuel injection pump tester, comprise stand, control system and Injection Pump to be measured, it is characterized in that: place motor at stand, the tachometer generator of having connected in the rotating shaft of motor is fixed together by the rotating shaft of coupling and Injection Pump to be measured afterwards, Injection Pump to be measured links to each other with the oil sprayer that is fixed on pipe end by pipeline, it is oil pooling cylinder under the oil sprayer, side at the oil pooling cylinder base plate connects the oil measurement device, surveying work is controlled by control system, and oil drip pan is installed below oil pooling cylinder.
Described oil measurement device comprises electronic balance sensor, heat insulating washer, the first bolt, the second bolt, support, the 3rd bolt, rotating shaft and cylinder, be extruded with one section fixed plate on oil pooling cylinder base plate right side, heat insulating washer is installed in the fixed plate top, and the electronic balance sensor is placed on the heat insulating washer and by the first bolt and fixes; Support vertically " L " shape metal frame of part and horizontal component composition of serving as reasons, be placed on the top of electronic balance sensor, the horizontal component of support is fixed together by the right-hand member of the second bolt and electronic balance sensor, the vertical operative tip of support is bolted in the rotating shaft by the 3rd, and rotating shaft is hinged by the piston rod of a connecting rod and cylinder lower end again.
Described rotating shaft is fixed on the outer fixing frame of stand, parallelly successively in rotating shaft has fixed 12 independently oil measurement devices, and the quantity of oil outlet is corresponding on the quantity of oil measurement device and the Injection Pump to be measured.
Described control system comprises main control computer, variable-frequency governor, tachometer generator, digital display, single-chip microcomputer, electronic balance sensor and solenoid valve, main control computer links to each other with single-chip microcomputer, single-chip microcomputer is sent to main control computer with the revolution that measures and the quality in the oil pooling cylinder, single-chip microcomputer calculates the revolution fuel injection quantity, and be sent to digital display and the main control computer that is attached thereto, the main control computer first via links to each other with motor by variable-frequency governor, main control computer is according to the revolution signal that receives, by variable-frequency governor motor is stopped operating, main control computer the second tunnel links to each other with the Display and Print storage, the main control computer Third Road links to each other with cylinder by solenoid valve, realize control to cylinder by the control solenoid valve, single-chip microcomputer links to each other with digital display.
Compared with prior art, the beneficial effect that has of full computerization highi degree of accuracy fuel injection pump tester of the present utility model is:
1, the oil measurement device is set, use the electronic balance sensor that oil mass is measured, validity and resolution are very high, can accurately detect oil spout technical data required for the pump to be measured, use computer that measurement result is in time shown, stores, prints, greatly degree has reduced manual operation, has reduced the measurement cost;
2, use variable-frequency governor that the working state of motor is controlled, guarantee that motor rotates with the whole number of turns in running, measuring accuracy is high;
3, debugging oil can be not contaminated in the whole measuring phase, and the debugging oil that sprays from oil sprayer collected, measures by oil pooling cylinder is unified, can not cause splashing of debugging oil, guaranteed the accurate measurement to the oil mass of Injection Pump ejection;
4, be provided with 12 independently oil measurement devices, can the Injection Pump of most kinds on the market be detected, and adopt high-resolution circuit and programming, even when little accelerator open degree, also need not the long-time oil spout of Injection Pump, only need less oil mass can obtain accurate data;
5, simple in structure, reliable performance, low cost of manufacture, and in program, be provided with the setting of oil spout number of times, utility function, suitable for mass production and the uses such as automatic clear peeling.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model oil measurement apparatus structure schematic representation.
Fig. 3 is the utility model control circuit functional-block diagram.
Fig. 4 is the utility model working principle flow chart.
Wherein: 1, main control computer 2, variable-frequency governor 3, motor 4, stand 5, tachometer generator 6, coupling 7, Injection Pump to be measured 8, fuel tank 9, return tube 10, oil drip pan 11, oil sprayer 12, digital display 13, single-chip microcomputer 14, oil pooling cylinder 15, heat insulating washer 16, the first bolt 17, electronic balance sensor 18, the second bolt 19, support 20, the 3rd bolt 21, rotating shaft 22, cylinder.
Embodiment
Fig. 1 ~ 4th, most preferred embodiment of the present utility model is described further below in conjunction with 1 ~ 4 pair of the utility model of accompanying drawing.
Be illustrated in figure 1 as the structural representation of this device, mainly formed by following components: stand 4, Injection Pump to be measured 7 and control system.
This equipment stand 4 is metal framework, motor 3 is installed in stand 4 one ends, and variable-frequency governor 2 and main control computer 1 are placed on the outside of stand 4, does not contact with stand 4, main control computer 1 is connected with variable-frequency governor 2 by wire, and variable-frequency governor 2 is connected with motor 3 by wire.The rotating shaft of motor 3 has been connected and has been linked together by the rotating shaft of coupling 6 with Injection Pump 7 to be measured after the tachometer generator 5.Injection Pump 7 to be measured links to each other with the oil sprayer 11 that is fixed on pipe end by pipeline, and oil sprayer 11 oil spout directions are downward, and oil sprayer 11 belows are oil pooling cylinder 14, and the oil measurement device is fixed on oil pooling cylinder 14 right sides, and the debugging oil of oil sprayer 11 ejections is measured.
Be illustrated in figure 2 as the structural representation of oil measurement device, oil pooling cylinder 14 is the cylinder of a upper opening, and opening faces the oil spout position of oil sprayer 11.Oil pooling cylinder 14 base plates the right horizontal position is extruded with a fixed plate, heat insulating washer 15 is placed in the fixed plate top, after electronic balance sensor 17 was placed on the heat insulating washer 15, the fixed plate that uses the first bolt 16 to pass successively electronic balance sensor 17, heat insulating washer 15 and oil pooling cylinder 14 belows was fixed on oil pooling cylinder 14 in the left side of electronic balance sensor 17.Support 19 is " L " shaped part part, is grouped into by horizontal component and vertical portion, is placed on the top of electronic balance sensor 17.The right-hand member of support 19 horizontal components is fixed together by the right-hand member of the second bolt 18 with electronic balance sensor 17, the vertical operative tip of support 19 is fixed in the rotating shaft 21 by the 3rd bolt 20, rotating shaft 21 is hinged by the piston rod of a connecting rod and cylinder 22 lower ends again, and cylinder 22 can promote rotating shaft 21 rotations so that oil measurement device and oil pooling cylinder 14 rotate to an angle when the inflation action like this.Placed oil drip pan 10 below oil pooling cylinder 14, oil drip pan 10 bottoms are flowed back in the fuel tank 8 by the debugging oil that a soft return tube 9 will reclaim.
Diesel engine is according to the difference of kind and purposes on the market at present, and the quantity of oil outlet is not identical yet on the diesel injection pump, is generally 2 ~ 12 and does not wait, and when the Injection Pump rotor rotated, in every one week of complete rotation of rotor, all oil outlets carried out oil spout action successively.According to this situation, in order to adapt to all Injection Pump kinds, this device is provided with fully independently 12 oil measurement devices, and be installed in side by side successively in the rotating shaft 21, rotating shaft 21 be fixed on stand 4 outer not with another fixing frame that stand 4 contacts on, so that 12 oil pooling cylinder 14 unsettled belows that are placed on corresponding oil sprayer 11 of oil measurement device independently, when needs detect the Injection Pump performance, use a plurality of oil measurement devices of equal number according to the quantity of the oil outlet on the reality Injection Pump 7 to be measured, respectively the oil pump capacity of each oil outlet is measured.
Be illustrated in figure 3 as the circuit block diagram of equipment, electronic balance sensor 17 links to each other with single-chip microcomputer 13 and the weight of the debugging oil in the oil pooling cylinder 14 that measures is sent to single-chip microcomputer 13, and tachometer generator 5 is also delivered to single-chip microcomputer 13 with the revolution signal that measures simultaneously.Draw the oil spout quantity of revolution after single-chip microcomputer 13 is processed the signal process, and these data are sent to digital display 12 and the main control computer 1 that is attached thereto, show at digital display 12, store, show, print at main control computer 1.
As shown in Figure 4:
The specific works process is as follows: before equipment work, at first will fill with debugging oil in the Injection Pump 7 to be measured, then judge the quantity of the oil measurement device that needs use according to the quantity of oil outlet on the Injection Pump 7 to be measured, and connect successively by pipeline.
When equipment is started working, at first send instruction by main control computer 1, by the control to solenoid valve cylinder 22 to be inflated, the piston rod of cylinder 22 promotes rotating shaft 21 rotations and pours the debugging oil in the oil pooling cylinder 14 into oil drip pan 10, then returns to original position.After the operator sets the oil spout number of times, main control computer 1 sends clear instruction to single-chip microcomputer 13, single-chip microcomputer 13 zero setting, then main control computer 1 sends enabled instruction, by 3 entrys into service of variable-frequency governor 2 control motor, motor 3 drives Injection Pump 7 rotations to be measured and carries out the oil spout action by coupling 6.In motor 3 operation process, tachometer generator 5 is sent to main control computer 1 with the revolution signal, and control variable-frequency governor 2 stops operating motor 3 after reaching the oil spout number of times that sets; Revolution is sent in the single-chip microcomputer 13 simultaneously, after motor 3 stops operating, electronic balance sensor 17 is measured the quality of debugging oil in the oil pooling cylinder 14, and these data are sent in the single-chip microcomputer 13, single-chip microcomputer 13 calculates the fuel injection quantity of revolution, the first via is delivered to digital display 12 with these data and is carried out the numeral demonstration, and the second the road delivers to main control computer 1, carries out respectively instant playback, storage and printing.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (4)
1. full computerization highi degree of accuracy fuel injection pump tester, comprise stand (4), control system and Injection Pump to be measured (7), it is characterized in that: place motor (3) at stand (4), the tachometer generator (5) of having connected in the rotating shaft of motor (3) is fixed together by the rotating shaft of coupling (6) with Injection Pump to be measured (7) afterwards, Injection Pump to be measured (7) links to each other with the oil sprayer that is fixed on pipe end (11) by pipeline, be oil pooling cylinder (14) under the oil sprayer (11), side at oil pooling cylinder (14) base plate connects the oil measurement device, surveying work is controlled by control system, in the below of oil pooling cylinder (14) oil drip pan (10) is installed.
2. full computerization highi degree of accuracy fuel injection pump tester according to claim 1, it is characterized in that: described oil measurement device comprises electronic balance sensor (17), heat insulating washer (15), the first bolt (16), the second bolt (18), support (19), the 3rd bolt (20), rotating shaft (21) and cylinder (22), be extruded with one section fixed plate on oil pooling cylinder (14) base plate right side, heat insulating washer (15) is installed in the fixed plate top, and it is upper and fixing by the first bolt (16) that electronic balance sensor (17) is placed on heat insulating washer (15); Support (19) vertically " L " shape metal frame of part and horizontal component composition of serving as reasons, be placed on the top of electronic balance sensor (17), the horizontal component of support (19) is fixed together by the right-hand member of the second bolt (18) with electronic balance sensor (17), the vertical operative tip of support (19) is fixed in the rotating shaft (21) by the 3rd bolt (20), and rotating shaft (21) is hinged by the piston rod of a connecting rod and cylinder (22) lower end again.
3. full computerization highi degree of accuracy fuel injection pump tester according to claim 2, it is characterized in that: described rotating shaft (21) is fixed on the outer fixing frame of stand (4), walk abreast successively in rotating shaft (21) and fixed 12 independently oil measurement devices, the quantity of oil measurement device is corresponding with the quantity of the upper oil outlet of Injection Pump to be measured (7).
4. full computerization highi degree of accuracy fuel injection pump tester according to claim 1, it is characterized in that: described control system comprises main control computer (1), variable-frequency governor (2), tachometer generator (5), digital display (12), single-chip microcomputer (13), electronic balance sensor (17) and solenoid valve, main control computer (1) links to each other with single-chip microcomputer (13), single-chip microcomputer (13) is sent to main control computer (1) with revolution and the interior quality of oil pooling cylinder (14) that measures, single-chip microcomputer (13) calculates the revolution fuel injection quantity, and be sent to digital display (12) and the main control computer (1) that is attached thereto, main control computer (1) first via links to each other with motor (3) by variable-frequency governor (2), main control computer (1) is according to the revolution signal that receives, by variable-frequency governor (2) motor (3) is stopped operating, main control computer (1) the second tunnel links to each other with the Display and Print storage, main control computer (1) Third Road links to each other with cylinder (22) by solenoid valve, realize control to cylinder (22) by the control solenoid valve, single-chip microcomputer (13) links to each other with digital display (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220458798 CN202789271U (en) | 2012-09-11 | 2012-09-11 | Full-computer high-precision fuel injection pump test-bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220458798 CN202789271U (en) | 2012-09-11 | 2012-09-11 | Full-computer high-precision fuel injection pump test-bed |
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| Publication Number | Publication Date |
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| CN202789271U true CN202789271U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220458798 Expired - Fee Related CN202789271U (en) | 2012-09-11 | 2012-09-11 | Full-computer high-precision fuel injection pump test-bed |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557900A (en) * | 2013-11-06 | 2014-02-05 | 沈阳工业大学 | Multi-channel small-flow precise measuring device |
| RU2532084C1 (en) * | 2013-03-22 | 2014-10-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Чувашская государственная сельскохозяйственная академия" | Fuel-injecting pump running device |
| CN104373273A (en) * | 2014-10-11 | 2015-02-25 | 唐山学院 | Mass type intelligent oil-gauging device for fuel injection pump testbed |
| CN105888909A (en) * | 2016-04-08 | 2016-08-24 | 天津大学 | Engine fuel injector single injection quantity and engine dynamic fuel consumption measuring method |
| CN107636299A (en) * | 2015-05-23 | 2018-01-26 | 穆罕默德·亚明·卡恩 | For demarcating the portable instrument of diesel pump amount of fuel |
| CN114263555A (en) * | 2021-09-09 | 2022-04-01 | 泰安九和智能设备有限公司 | Micro-ship engine fuel sprayer calibration equipment |
| CN115059566A (en) * | 2022-07-25 | 2022-09-16 | 河南柴油机重工有限责任公司 | Oil injection pump rack stroke measuring device for pump platform |
-
2012
- 2012-09-11 CN CN 201220458798 patent/CN202789271U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2532084C1 (en) * | 2013-03-22 | 2014-10-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Чувашская государственная сельскохозяйственная академия" | Fuel-injecting pump running device |
| CN103557900A (en) * | 2013-11-06 | 2014-02-05 | 沈阳工业大学 | Multi-channel small-flow precise measuring device |
| CN103557900B (en) * | 2013-11-06 | 2018-04-03 | 沈阳工业大学 | Multi-channel small-flow precise measurement apparatus |
| CN104373273A (en) * | 2014-10-11 | 2015-02-25 | 唐山学院 | Mass type intelligent oil-gauging device for fuel injection pump testbed |
| CN107636299A (en) * | 2015-05-23 | 2018-01-26 | 穆罕默德·亚明·卡恩 | For demarcating the portable instrument of diesel pump amount of fuel |
| CN105888909A (en) * | 2016-04-08 | 2016-08-24 | 天津大学 | Engine fuel injector single injection quantity and engine dynamic fuel consumption measuring method |
| CN114263555A (en) * | 2021-09-09 | 2022-04-01 | 泰安九和智能设备有限公司 | Micro-ship engine fuel sprayer calibration equipment |
| CN114263555B (en) * | 2021-09-09 | 2023-09-12 | 翟泉来 | Verification device for fuel spray nozzle of engine of miniature ship |
| CN115059566A (en) * | 2022-07-25 | 2022-09-16 | 河南柴油机重工有限责任公司 | Oil injection pump rack stroke measuring device for pump platform |
| CN115059566B (en) * | 2022-07-25 | 2024-03-26 | 河南柴油机重工有限责任公司 | Oil injection pump rack stroke measuring device for pump bench |
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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: 20130313 Termination date: 20160911 |