CN201051045Y - Testing platform for simulated crank rotator-bearing system power - Google Patents
Testing platform for simulated crank rotator-bearing system power Download PDFInfo
- Publication number
- CN201051045Y CN201051045Y CNU2006200485592U CN200620048559U CN201051045Y CN 201051045 Y CN201051045 Y CN 201051045Y CN U2006200485592 U CNU2006200485592 U CN U2006200485592U CN 200620048559 U CN200620048559 U CN 200620048559U CN 201051045 Y CN201051045 Y CN 201051045Y
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- bent axle
- system power
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Abstract
The utility model discloses a testing bench for a simulation crank rotor and a bearing system, which comprises a base, a testing bench main body, a motor reducer which is fixed on one side of the main body, tested cranks, a coupler, and cylinder sleeves, wherein the base is in a frame structure. The testing bench main body comprises a box body which is in vertical structure and is fixed on the base, the top surface of the box body is provided with supporting bases whose number is matched with crank neck number and are separately matched with crank necks, the number of cylinder sleeve holes is same with the number of the crank necks of the tested cranks, and the cylinder sleeve holes are vertically faced with the upper surface of the box body, channel holes which are communicated with each cylinder sleeve are arranged on the bottom of the box body, the cylinder sleeves are arranged in the cylinder sleeve holes, the cranks are arranged on the supporting base of the box body through slide bearings on the crank necks. The testing bench is characterized by compact structure, convenient adjust ion and detecting, simple moving and installing, and small accommodation area, furthermore, the utility model is capable of being processed into a sealed structure with simple and convenient maintenance.
Description
Technical field
The utility model relates to a kind of crank axle for vessel rotor dynamic testing table, more specifically say so a bent axle, sliding bearing, connecting rod and piston as a system, can show the testing table of interactional simulation crankshaft rotor-bearing system power between the different mechanical behaviors quantitatively.
Background technology
Bent axle is one of most important parts in the engines such as diesel engine, internal combustion engine, steam engine.The to-and-fro movement of piston changes rotatablely moving of bent axle into by connecting rod, and the power of diesel engine, internal combustion engine, steam engine is exported by bent axle, and drive gas distributing system directly or indirectly, parts such as injection pump, lubricating oil pump, water pump.Along with of the development of modern chain drive, more and more higher to the requirement of crankshaft system dynamic performance to directions such as high-power, high-level efficiency, high reliability, low noises.
Because bent axle belongs to typical unsymmetric structure part, have anisotropy and each characteristic to coupling, therefore, the eccentric mass of crank can not only evoke flexural vibrations, and can evoke twisting vibration, axial vibration and three's coupled vibrations.The big marine diesel engine bent axle has the characteristics of himself again,, crank length low as rotating speed is big, torsional rigidity relative with axial rigidity less, natural frequency is low etc., in mechanical processing process, in the particularly finishing process, can not adopt high-speed processing method, otherwise, will make speed of crankshaft near or be in resonance region, produce significantly vibration, cause crudy to descend.In order to grasp the vibration regularity and the kinetic character of bent axle in the working process of diesel engine or crankshaft rotor-bearing system, in order in use to safeguard diesel engine preferably, for in process, select suitable cutting data, to guarantee the bent axle machining precision, must carry out comprehensive dynamic analysis to crankshaft rotor-bearing system.Yet, also there is not the similar testing table that bent axle is carried out vibration regularity and dynamics research in the prior art, therefore suppressed the understanding of people, made the manufacturing capacity of China's crank axle for vessel be in a backward condition always, seriously restricted the development of China's shipping industry crankshaft rotor-bearing system.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of testing table that can simulate the simulation crankshaft rotor-bearing system power of various failure mechanisms in the crank axle for vessel course of work, loaded-up condition, on-line monitoring, service mode at the defective that above-mentioned prior art exists.
For solving the problems of the technologies described above, the utility model adopts a kind of a kind of testing table of simulating crankshaft rotor-bearing system power of testing table of simulating crankshaft rotor-bearing system power, comprise base, testing table main body, be installed in the motor reducer of testing table main body one side, tested bent axle, shaft coupling, piston, connecting rod and cylinder jacket, wherein, described base is a framed structure, and its upper surface vertically is provided with some T-slots; Described testing table main body comprises casing, this casing is a vertical structure, it is fixed on the base, its upper surface is provided with and the axle journal respective numbers of tested bent axle and the supporting seat that mates at interval, in casing to be provided with the cylinder trepanning identical side by side with the crank throw quantity of tested bent axle with the vertically opposite mode in upper surface, tank floor is provided with the pipe hole that is communicated with each cylinder trepanning, lays cylinder jacket in the described cylinder trepanning; Described bent axle laterally is erected on the supporting seat of casing by the sliding bearing that is set on its axle journal.
The testing table of above-mentioned simulation crankshaft rotor-bearing system power wherein, also comprises the solenoid valve identical with cylinder jacket quantity, and described solenoid valve is installed in and passes between pipeline that pipe hole is communicated with cylinder jacket and the outside air supply pipe and be positioned at outside the casing.
The testing table of above-mentioned simulation crankshaft rotor-bearing system power, wherein, the rear and front end of described tested bent axle is provided with thrust disc, and the centre is provided with six crank throws and a sprocket wheel successively, and described axle journal is connected between thrust disc and six crank throws and the sprocket wheel.
The testing table of above-mentioned simulation crankshaft rotor-bearing system power, wherein, described motor reducer is fixed on the support, so that the motor reducer output shaft is coaxial with the center line of bent axle, is used for described shaft coupling is connected the thrust disc of motor reducer output shaft and bent axle one end.
The testing table of above-mentioned simulation crankshaft rotor-bearing system power wherein, also comprises connecting rod and piston, is connected on the described crank throw described connecting rod one end pivoting, and the other end connects described piston, and described piston is located in the cylinder jacket movably.
The testing table of above-mentioned simulation crankshaft rotor-bearing system power, wherein, described casing upper end also is provided with an oil blocking cover.
The utility model has the advantages that have compact conformation, easy to adjust, the carrying and installation of test is simple, assembly precision is not influenced by extraneous factor, lubricating oil is not easy leakage, piston with cylinder liner abrasion is even, floor area is little, can be made into closed type structure, easy to maintenance simply.
Description of drawings
Fig. 1 is the structural representation of the testing table of simulation crankshaft rotor-bearing system power of the present utility model;
Fig. 2 is the cut-open view of the testing table main body in the testing table of simulation crankshaft rotor-bearing system power of the present utility model;
Fig. 3 is the structural representation of the tested bent axle in the testing table of simulation crankshaft rotor-bearing system power of the present utility model.
Embodiment
See also Fig. 1 to Fig. 3, the testing table of simulation crankshaft rotor-bearing system power of the present utility model comprises base 1, testing table main body 2, is installed in the motor reducer 3 of testing table main body 2 one sides, tested bent axle 4, shaft coupling 5, piston 6, connecting rod 7, cylinder jacket 8 and solenoid valve 9.Wherein, described base 1 is a framed structure, and its upper surface vertically is provided with some T-slots 10.Base 1 has bigger rigidity and bigger quality, can be placed directly on the floor, and each parts of installation test platform, when satisfying the requirements, base 1 can be fixed with ground is connected.
Described testing table main body 2 comprises casing 20, this casing 20 is a vertical structure, it is fixed on the base 1, its upper surface is provided with and the axle journal respective numbers of tested bent axle 4 and the supporting seat 201 that mates at interval, in casing 20 to be provided with the cylinder trepanning 202 identical side by side with the crank throw quantity of tested bent axle 4 with the vertically opposite mode in upper surface, casing 20 bottom surfaces are provided with the pipe hole 203 that is communicated with each cylinder trepanning 202, lay cylinder jacket 8 in the described cylinder trepanning 202; The quantity of described solenoid valve 9 is identical with cylinder jacket 202 quantity, and they are installed in passes between pipeline 204 that pipe hole 203 is communicated with cylinder jacket 202 and the outside air supply pipe and be positioned at outside the casing 20.Before testing table main body 2 was installed, testing table main body 2 had been assembled into as a whole, can integral body copy mechanically and install, unless keep in repair, check, suggestion is dismounting.
Described tested bent axle 4 has thrust disc 40,48 for the rear and front end, the centre is provided with six crank throws 41～46 and a sprocket wheel 47 successively, be connected between 40,48 and six crank throws 41～46 of thrust disc and the sprocket wheel 47 for axle journal A～H, laterally be erected on the supporting seat 201 of casing 20 by the sliding bearing that is set on its axle journal A～H.
Described motor reducer 3 is fixed on the support 30, so that motor reducer 3 output shafts are coaxial with the center line of bent axle 4, is used for described shaft joint 5 is connected the thrust disc 40 of motor reducer 3 output shafts and bent axle 4 one ends.
When testing table main body 2 and support of motor 30 are installed on base 1, can use the combination of M20T type bolt and pressing plate, also can use T type piece and M20 bolt combination, be installed in the T-slot 10 of base, when support of motor 30 was installed, support 30 distance test (DT) platform main bodys 2 can not be too near, leave enough spaces, so that shaft coupling 5 is installed in the back, allow support 30 can be moved along T type groove 10 directions.
Be connected on crank throw 42～47 handles of different parts of tested bent axle 4 described connecting rod 7 one end pivotings, the fixedly connected piston 6 of the other end, described piston 6 is located in the cylinder jacket 202 movably.
Described casing 20 upper ends also are provided with an oil blocking cover 205, when not doing experiment, oil blocking cover 205 should be covered, and call in to prevent dust and other impurities.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (6)
1. testing table of simulating crankshaft rotor-bearing system power comprises base, testing table main body, is installed in the motor reducer of testing table main body one side, tested bent axle, shaft coupling and cylinder jacket, it is characterized in that,
Described base is a framed structure, and its upper surface vertically is provided with some T-slots;
Described testing table main body comprises casing, this casing is a vertical structure, it is fixed on the base, its upper surface is provided with and the axle journal respective numbers of tested bent axle and the supporting seat that mates at interval, in casing to be provided with the cylinder trepanning identical side by side with the crank throw quantity of tested bent axle with the vertically opposite mode in upper surface, tank floor is provided with the pipe hole that is communicated with each cylinder trepanning, lays cylinder jacket in the described cylinder trepanning;
Described bent axle laterally is erected on the supporting seat of casing by the sliding bearing that is set on its axle journal.
2. the testing table of simulation crankshaft rotor-bearing system power according to claim 1, it is characterized in that, also comprise the solenoid valve identical with cylinder jacket quantity, described solenoid valve is installed in and passes between pipeline that pipe hole is communicated with cylinder jacket and the outside air supply pipe and be positioned at outside the casing.
3. the testing table of simulation crankshaft rotor-bearing system power according to claim 1, it is characterized in that, the rear and front end of described tested bent axle is provided with thrust disc, and the centre is provided with six crank throws and a sprocket wheel successively, and described axle journal is connected between thrust disc and six crank throws and the sprocket wheel.
4. the testing table of simulation crankshaft rotor-bearing system power according to claim 3, it is characterized in that, described motor reducer is fixed on the support, so that the motor reducer output shaft is coaxial with the center line of bent axle, be used for described shaft coupling is connected the thrust disc of motor reducer output shaft and bent axle one end.
5. the testing table of simulation crankshaft rotor-bearing system power according to claim 1, it is characterized in that, also comprise connecting rod and piston, be connected on the described crank throw described connecting rod one end pivoting, the other end connects described piston, and described piston is located in the cylinder jacket movably.
6. the testing table of simulation crankshaft rotor-bearing system power according to claim 1 is characterized in that, described casing upper end also is provided with an oil blocking cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200485592U CN201051045Y (en) | 2006-12-05 | 2006-12-05 | Testing platform for simulated crank rotator-bearing system power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200485592U CN201051045Y (en) | 2006-12-05 | 2006-12-05 | Testing platform for simulated crank rotator-bearing system power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051045Y true CN201051045Y (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200485592U Expired - Fee Related CN201051045Y (en) | 2006-12-05 | 2006-12-05 | Testing platform for simulated crank rotator-bearing system power |
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| CN (1) | CN201051045Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907516A (en) * | 2010-07-29 | 2010-12-08 | 南车戚墅堰机车有限公司 | Crankshaft measurement turning gear of diesel |
| CN101915668A (en) * | 2010-07-23 | 2010-12-15 | 北京工业大学 | Dedicated base of fault simulation comprehensive experiment table for machine driven system |
| CN102169052A (en) * | 2010-02-26 | 2011-08-31 | 宁波德昌电机制造有限公司 | Automatic testing device with reverser motor rotor winding |
| CN102494885A (en) * | 2011-11-11 | 2012-06-13 | 上海中科深江电动车辆有限公司 | Testing device of a pure electric vehicle power transmission system assembly |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
| CN104515674A (en) * | 2014-11-26 | 2015-04-15 | 中国北方发动机研究所(天津) | Hydraulic loading tester for testing engine crankshaft fatigue |
| CN105277369A (en) * | 2015-10-27 | 2016-01-27 | 潍柴动力股份有限公司 | Single support rigid connection diesel generating set equivalent test device and design method thereof |
| CN109238714A (en) * | 2018-10-18 | 2019-01-18 | 浙江大学 | High-speed overload crankshaft-plain bearing unit dynamic test stand |
| CN110542525A (en) * | 2019-06-25 | 2019-12-06 | 上海航空材料结构检测股份有限公司 | Method for testing vibration fatigue performance of metal in axial resonance state |
| CN113776825A (en) * | 2021-11-11 | 2021-12-10 | 博兴兴博城建投资集团有限公司 | Test device of test bed for simulating power of crankshaft rotor-bearing system |
| CN114235417A (en) * | 2021-12-07 | 2022-03-25 | 北京理工大学 | Expandable crankshaft system simulation device of internal combustion engine |
-
2006
- 2006-12-05 CN CNU2006200485592U patent/CN201051045Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169052A (en) * | 2010-02-26 | 2011-08-31 | 宁波德昌电机制造有限公司 | Automatic testing device with reverser motor rotor winding |
| CN102169052B (en) * | 2010-02-26 | 2012-12-19 | 宁波德昌电机制造有限公司 | Automatic testing device with reverser motor rotor winding |
| CN101915668A (en) * | 2010-07-23 | 2010-12-15 | 北京工业大学 | Dedicated base of fault simulation comprehensive experiment table for machine driven system |
| CN101915668B (en) * | 2010-07-23 | 2012-08-15 | 北京工业大学 | Dedicated base of fault simulation comprehensive experiment table for machine driven system |
| CN101907516A (en) * | 2010-07-29 | 2010-12-08 | 南车戚墅堰机车有限公司 | Crankshaft measurement turning gear of diesel |
| CN102494885A (en) * | 2011-11-11 | 2012-06-13 | 上海中科深江电动车辆有限公司 | Testing device of a pure electric vehicle power transmission system assembly |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
| CN104515674A (en) * | 2014-11-26 | 2015-04-15 | 中国北方发动机研究所(天津) | Hydraulic loading tester for testing engine crankshaft fatigue |
| CN105277369A (en) * | 2015-10-27 | 2016-01-27 | 潍柴动力股份有限公司 | Single support rigid connection diesel generating set equivalent test device and design method thereof |
| CN109238714A (en) * | 2018-10-18 | 2019-01-18 | 浙江大学 | High-speed overload crankshaft-plain bearing unit dynamic test stand |
| CN110542525A (en) * | 2019-06-25 | 2019-12-06 | 上海航空材料结构检测股份有限公司 | Method for testing vibration fatigue performance of metal in axial resonance state |
| CN113776825A (en) * | 2021-11-11 | 2021-12-10 | 博兴兴博城建投资集团有限公司 | Test device of test bed for simulating power of crankshaft rotor-bearing system |
| CN114235417A (en) * | 2021-12-07 | 2022-03-25 | 北京理工大学 | Expandable crankshaft system simulation device of internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20100105 |