CN202735007U - Detection system used for detecting power and torque of engine of special vehicle - Google Patents
Detection system used for detecting power and torque of engine of special vehicle Download PDFInfo
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- CN202735007U CN202735007U CN 201220418578 CN201220418578U CN202735007U CN 202735007 U CN202735007 U CN 202735007U CN 201220418578 CN201220418578 CN 201220418578 CN 201220418578 U CN201220418578 U CN 201220418578U CN 202735007 U CN202735007 U CN 202735007U
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Abstract
The utility model provides a detection system used for detecting power and torque of an engine of a special vehicle. An output terminal of a PTO is connected with one end of a transmission shaft and the other end of the transmission shaft is connected with an input terminal of a torque sensor. An output terminal of the torque sensor is connected with an input terminal of multi-branch-gear transmission box. An output terminal of the multi-branch-gear transmission box is connected with a load. An input terminal of the load is connected with one end of a one-way valve. The other end of the one-way valve is connected with one end of a socket-type proportional valve through a high voltage ball valve. The other end of the socket-type proportional valve is communicated with a hydraulic pressure box. An output terminal of the load is communicated with the hydraulic pressure box through a low voltage ball valve and an oil filter. The detection system used for detecting the power and the torque of the engine of the special vehicle provided by the utility model detects the output torque and the output power of the PTO of the engine of the special vehicle through adjusting system pressure in real time conveniently and quickly with a low cost. The detection system used for detecting the power and the torque of the engine of the special vehicle provided by the utility model is a completely innovative and efficient detection system in aspects of the detection of the output power, the torque of the PTO of the engine and the detection of output power and torque of other power sources.
Description
Technical field
The utility model relates to a kind of detection system for detection of special-purpose vehicle engine capacity, moment of torsion, especially for detecting the engine output on the workover rig, the system of moment of torsion.
Background technology
Special-purpose vehicle engine PTO (power takeoff) output power, moment of torsion detection system also do not have effective and feasible technical scheme at present.The result that special-purpose vehicle engine PTO (power takeoff) output power, moment of torsion obtain by estimation often (family curve that engine obtains being correlated with by bench test again integrated structure and transmission efficiency obtains estimating the result), mainly there is following shortcoming: the one, the result is inaccurate in estimation, often cause improving in order to guarantee PTO (power takeoff) output power, moment of torsion to satisfy the needs of upper dress specialized equipment the margin of power of engine (prime mover), cause engine (prime mover) performance sufficient not bring into play, oil consumption increases; The 2nd, the cost of increase car load; The 3rd, be difficult to satisfy specific upper dress specialized equipment to the explicitly calling for of PTO (power takeoff) output power, moment of torsion, therefore be necessary to improve.
The utility model content
The technical matters that the utility model solves: a kind of detection system for detection of vehicle engine power, moment of torsion is provided, can obtain immediately the accurately numerical value of special-purpose vehicle engine PTO (prime mover) output power, moment of torsion, satisfy upper dress specialized equipment explicitly calling for engine PTO (prime mover) output power, moment of torsion.
The technical solution adopted in the utility model: for detection of the special-purpose vehicle engine capacity, the detection system of moment of torsion, prime mover output terminal is connected with transmission shaft one end, the described transmission shaft other end is connected with the torque sensor input end, described torque sensor output terminal is connected with many minutes gear input ends, the output terminal of described many minutes gears is connected with load, the input end of described load is connected with retaining valve one end, the described retaining valve other end is connected with plug-in proportioning valve one end by high-pressure ball valve, the described plug-in proportioning valve other end is communicated with hydraulic fluid tank, and the load output terminal is communicated with hydraulic fluid tank by low pressure ball valve and oil filter.
Preferably, two output terminals of described many minutes gears are connected with two loads respectively, the input end of two loads is connected with two retaining valve one ends respectively, be connected with plug-in proportioning valve one end by high-pressure ball valve after described two retaining valve other ends serial connection, the described plug-in proportioning valve other end is communicated with hydraulic fluid tank, is communicated with hydraulic fluid tank by low pressure ball valve and oil filter after two load output terminal serial connections.
Further, described many minutes gears are four minutes gears, and described load is quantitative axial plunger pump.
Further, be provided with refrigeratory between described hydraulic fluid tank and the plug-in proportioning valve.
Further, be provided with discharge equipment in the described hydraulic fluid tank, described discharge equipment is made of motor and vane pump, also is provided with liquid level liquid thermometer and air cleaner in the hydraulic fluid tank.
Further, also be provided with draining valve bottom the described hydraulic fluid tank.
The utility model compared with prior art adopts regulating system pressure immediately to measure output torque and the output power of special-purpose vehicle engine PTO (prime mover), convenient and swift, cost is low, all is a kind of brand-new and efficient detection system at engine PTO (prime mover) output power, moment of torsion and other output power of power source and moment of torsion context of detection.
Description of drawings
Fig. 1 is the utility model theory structure schematic diagram;
Fig. 2 is the utility model perspective view;
Fig. 3 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing 1,2 a kind of embodiment of the present utility model is described.
For detection of the special-purpose vehicle engine capacity, the detection system of moment of torsion, prime mover 18 output terminals are connected with transmission shaft 1 one ends, described transmission shaft 1 other end is connected with torque sensor 2 input ends by shaft coupling I 12, described torque sensor 2 output terminals are connected with many minutes gear 3 input ends by shaft coupling II 13, preferred four minutes gears, two output terminals of four minutes gears 3 are connected with two loads 4 respectively, load 4 is quantitative axial plunger pump, the input end of two loads 4 is connected with two retaining valve 8 one ends respectively, be connected with plug-in proportioning valve 5 one ends by high-pressure ball valve 9 after described two retaining valve 8 other ends serial connection, described plug-in proportioning valve 5 other ends are communicated with hydraulic fluid tank 6, are provided with refrigeratory 10 between described hydraulic fluid tank 6 and the plug-in proportioning valve 6.Be communicated with hydraulic fluid tank 6 by low pressure ball valve 7 and oil filter 11 after two load 4 output terminals serial connections.Be provided with discharge equipment 17 in the described hydraulic fluid tank 6, described discharge equipment 17 is made of motor and vane pump, also is provided with liquid level liquid thermometer 14 and air cleaner 15 in the hydraulic fluid tank 6, and described hydraulic fluid tank 6 bottoms also are provided with draining valve 16.
Principle of work: prime mover 18 is by transmission shaft 1, clutch coupling I 12, torque sensor 2, clutch coupling II 13, drive load 4 by four minutes gears 3 again, load 4 is quantitative axial plunger pump, and realizes loading according to current signal adjustment and control hydraulic system pressure size by plug-in proportioning valve 5.The different pressures value of setting pressure system (segmentation is set foot-point within the specific limits), prime mover (engine) 18 rotating speeds are changed in certain scope, obtain prime mover (engine) 18 corresponding instant output power and output torque values, then---output power curve figure and prime mover (engine) 18 instantaneous velocities---the output torque curve map of drawing out prime mover (engine) 18 instantaneous velocities according to these numerical value, thereby engine performance is given full play to, reduce oil consumption, reduce integral vehicle cost.
The different pressures value of given hydraulic system (segmentation is set foot-point in 20 ~ 28MPa scope), prime mover 18 rotating speeds are changed in 1000r/min ~ 2100r/min scope, obtain the corresponding instant output powers of prime mover 18 and be the output torque value,---output power curve figure and power takeoff instantaneous velocity---the output torque curve map of then drawing out prime mover 18 instantaneous velocities according to these numerical value.
Torque sensor 2(YB2-2000, maximum delivered moment of torsion 2000NM) is used for detecting the instant moment of torsion of prime mover 18 output shafts; Four minutes gearbox drive case 3(QFD470JK, transmitted power 265KW, maximum delivered power 275KW) be used for an input shaft is become a plurality of output shafts, drive a plurality of loads of wanting to add; Quantitative axial plunger pump (CB-160G-F4F2, its range of speeds is 800 ~ 2400r/min, and maximum working pressure (MWP) is 28MPa, and corresponding flow range is 160 ~ 336l/min) load elements as prime mover output power, torsion-testing.Oil filter 11 is guaranteed the fluid cleaning that quantitative axial plunger pump sucks, in order to avoid contaminated system causes fault that hydraulic system can't be worked; Ultrathin low pressure ball valve 7 and high-pressure ball valve 9 are realized the opening and closing of hydraulic system oil circuit in work and transportation; Refrigeratory 10 guarantees that hydraulic system oil liquid uses in normal temperature conditions, in order to avoid the too high generation of oil temperature is gasified, affects the normal work and use life-span of Hydraulic Elements in the system; Discharge equipment 17 is taken out the fluid in fuel sucking pipe and the pressure oil pipe in system's transportation, pollute in order to avoid fluid leaks outside, and can't get rid of when clean when hydraulic fluid tank 6 bottom fluid, can open draining valve 16 and thoroughly fluid be discharged.
Above-described embodiment is preferred embodiment of the present utility model, is not to limit the utility model practical range, therefore all equivalences of being done with the described content of the utility model claim change, all should be included within the utility model claim scope.
Claims (6)
1. for detection of the special-purpose vehicle engine capacity, the detection system of moment of torsion, it is characterized in that: prime mover (18) output terminal is connected with transmission shaft (1) one end, described transmission shaft (1) other end is connected with torque sensor (2) input end, described torque sensor (2) output terminal is connected with many minutes gear (3) input ends, described many minutes gear (3) output terminal be connected with load (4), the input end of described load (4) is connected with retaining valve (8) one ends, described retaining valve (8) other end is connected with plug-in proportioning valve (5) one ends by high-pressure ball valve (9), described plug-in proportioning valve (5) other end is communicated with hydraulic fluid tank (6), and load (4) output terminal is communicated with hydraulic fluid tank (6) by low pressure ball valve (7) and oil filter (11).
2. according to claim 1 for detection of the special-purpose vehicle engine capacity, the detection system of moment of torsion, it is characterized in that: described many minutes gear (3) two output terminals be connected with two loads (4) respectively, the input end of two loads (4) is connected with two retaining valves (8) one ends respectively, be connected with plug-in proportioning valve (5) one ends by high-pressure ball valve (9) after described two retaining valves (8) other end serial connection, described plug-in proportioning valve (5) other end is communicated with hydraulic fluid tank (6), is communicated with hydraulic fluid tank (6) by low pressure ball valve (7) and oil filter (11) after two loads (4) output terminal serial connection.
3. the detection system for detection of special-purpose vehicle engine capacity, moment of torsion according to claim 1 and 2 is characterized in that: described many minutes gear (3) be four minutes gears, described load (4) is quantitative axial plunger pump.
4. the detection system for detection of special-purpose vehicle engine capacity, moment of torsion according to claim 3 is characterized in that: be provided with refrigeratory (10) between described hydraulic fluid tank (6) and the plug-in proportioning valve (6).
5. the detection system for detection of special-purpose vehicle engine capacity, moment of torsion according to claim 4, it is characterized in that: be provided with discharge equipment (17) in the described hydraulic fluid tank (6), described discharge equipment (17) is made of motor and vane pump, also is provided with liquid level liquid thermometer (14) and air cleaner (15) in the hydraulic fluid tank (6).
6. the detection system for detection of special-purpose vehicle engine capacity, moment of torsion according to claim 5 is characterized in that: also be provided with draining valve (16) bottom the described hydraulic fluid tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220418578 CN202735007U (en) | 2012-08-22 | 2012-08-22 | Detection system used for detecting power and torque of engine of special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220418578 CN202735007U (en) | 2012-08-22 | 2012-08-22 | Detection system used for detecting power and torque of engine of special vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN202735007U true CN202735007U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220418578 Expired - Fee Related CN202735007U (en) | 2012-08-22 | 2012-08-22 | Detection system used for detecting power and torque of engine of special vehicle |
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| CN (1) | CN202735007U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157893A (en) * | 2015-05-14 | 2015-12-16 | 山东大学 | Engine instantaneous torque measuring system and method |
| CN107677488A (en) * | 2017-10-20 | 2018-02-09 | 山东省农业机械科学研究院 | The system and traction power method of testing loaded using fixed loading device to tested vehicle |
| CN109632314A (en) * | 2018-11-23 | 2019-04-16 | 河北华北柴油机有限责任公司 | A kind of engine torque measuring device and measuring method |
| CN110806283A (en) * | 2019-12-09 | 2020-02-18 | 天津光电久远科技有限公司 | Selenium drum starting torque tester and testing method |
-
2012
- 2012-08-22 CN CN 201220418578 patent/CN202735007U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157893A (en) * | 2015-05-14 | 2015-12-16 | 山东大学 | Engine instantaneous torque measuring system and method |
| CN107677488A (en) * | 2017-10-20 | 2018-02-09 | 山东省农业机械科学研究院 | The system and traction power method of testing loaded using fixed loading device to tested vehicle |
| CN107677488B (en) * | 2017-10-20 | 2024-01-23 | 山东省农业机械科学研究院 | System for loading tested vehicle by adopting fixed loading device and traction power testing method |
| CN109632314A (en) * | 2018-11-23 | 2019-04-16 | 河北华北柴油机有限责任公司 | A kind of engine torque measuring device and measuring method |
| CN110806283A (en) * | 2019-12-09 | 2020-02-18 | 天津光电久远科技有限公司 | Selenium drum starting torque tester and testing method |
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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: 20130213 Termination date: 20210822 |