CN115993243A - Mechanical sealing test system of high-power planetary gear box by adopting stepless loading technology - Google Patents
Mechanical sealing test system of high-power planetary gear box by adopting stepless loading technology Download PDFInfo
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- CN115993243A CN115993243A CN202310041311.1A CN202310041311A CN115993243A CN 115993243 A CN115993243 A CN 115993243A CN 202310041311 A CN202310041311 A CN 202310041311A CN 115993243 A CN115993243 A CN 115993243A
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Abstract
A mechanical closed test system of a high-power planetary gear box adopting a stepless loading technology relates to a closed test system of a gear box. In order to solve the problem that the loader in a general power closed test system needs to have the same power as a test planetary gear box to realize loading, the loader has high energy consumption. The invention comprises a driving mechanism, a closed gear box, a test planetary gear box, a plurality of couplings, a transmission shaft I and a loading mechanism; an output shaft of the driving mechanism is connected with an input end of the closed gear box through a coupler, one output end of the closed gear box is connected with an input end of the test planetary gear box through a coupler, and an output end of the test planetary gear box is connected with one output end of the loading mechanism through a coupler; the other output end of the closed gear box is connected with one end of a transmission shaft I through a coupler, and the other end of the transmission shaft I is connected with the other output end of the loading mechanism through a coupler. The invention is mainly used for testing the planetary gear box.
Description
Technical Field
The invention relates to a closed test system of a gear box, in particular to a mechanical closed test system of a high-power planetary gear box by adopting a stepless loading technology.
Background
Gear transmission is an important transmission form for transmitting power, and has been widely applied to machines and mechanical equipment in the fields of automobiles, ships, aerospace, aviation, chemical industry and the like. Planetary gear drives have many unique features compared to common gear drives, the most notable of which is that it can split power when power is transferred. Meanwhile, the input shaft and the output shaft are on the same axis, so that the planetary gear transmission has the advantages of small volume, small mass, compact structure, large transmission ratio, high transmission efficiency and the like, and is almost suitable for all power and rotating speed ranges, so that the planetary gear transmission is not only suitable for high rotating speed and high power, but also is widely applied to a low-speed and high-torque transmission device.
With the development of technology and the improvement of use demands, the transmission power of the planetary gear gradually becomes larger, and the running rotating speed of the planetary gear gradually increases. Therefore, the transmission power and the running rotation speed of the planetary gear box need to be tested, and from the aspect of the method for testing the planetary gear box, the method can be divided into an open type test system and a closed power flow type test system according to different driving and loading modes. The open test system mainly comprises a power source, a test gear box and a power consumption device, wherein the power of the power consumption device is required to be equal to that of the test planetary gear box, and when the test power is larger, the construction cost and the scale of the test system are increased by times, so that the test method is generally only suitable for the empty load test of the planetary gear box or the load test of the small planetary gear box. The closed power flow type test system is characterized in that the test planetary gear boxes are connected in a certain mode to form a closed state, the inner end of the closed system is connected in series with a loading device, the loading device can load the test planetary gear boxes, and the closed power in the test planetary gear boxes can reach the full load requirement during the test; and the dragging power for driving the gear boxes only needs to overcome the friction and power consumption of the closed system of the gear boxes. For example, chinese patent publication No. CN204988721U discloses a "gear closed test bed", which is typically based on a closed power flow test system principle, but only refers to the constituent devices of the test system, and the internal structure, specific loading principle, etc. of the accompanying test gearbox are not discussed, so that the above patent cannot know how to implement loading of the closed test bed, and is only applicable to parallel axis gear or staggered axis gear tests.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the loader in the existing general power closed test system needs to have the same power as the test planetary gear box to realize loading, and has the problem of high energy consumption; the mechanical sealing test system of the high-power planetary gear box is applicable to performance tests of the planetary gear box, is especially applicable to performance tests of the high-power planetary gear box, and can also be used for full-speed full-load performance tests of the parallel shaft gear box; and the test system can realize the torque required by the test planetary gear box by adopting a loader with smaller power.
The invention adopts the technical scheme for solving the technical problems that:
the mechanical closed test system of the high-power planetary gear box by adopting the stepless loading technology comprises a driving mechanism, a closed gear box, a test planetary gear box, a plurality of couplings, a transmission shaft I and a loading mechanism; the closed gear box and the loading mechanism are provided with two output ends and one input end; the output shaft of the driving mechanism is connected with the input end of the closed gear box through a coupler, one of the output ends of the closed gear box is connected with the input end of the test planetary gear box through a coupler, and the output end of the test planetary gear box is connected with one output end of the loading mechanism through a coupler; the other output end of the closed gear box is connected with one end of a transmission shaft I through a coupler, the other end of the transmission shaft I is connected with the other output end of the loading mechanism through a coupler, and the closed gear box, the test planetary gear box, the transmission shaft I and the loading mechanism integrally form a mechanical power closed chain;
the loading mechanism comprises a loading gear box, a loader and a transmission shaft II; the loading gear box comprises a gear box body, an output shaft I, a sun gear, a plurality of planet gears, a planet carrier, an annular gear, a gear shaft, a supporting shaft, a gear I, a gear II and an output shaft II; the sun gear, the plurality of planet gears, the planet carrier, the annular gear and the gear shaft form first-stage transmission; the gear shaft, the gear I and the gear II form second-stage transmission;
the inner gear ring is provided with an input end and an output end; the gear shaft is a shaft body with gears at two ends, one end of the gear shaft is used as an input end, and the other end of the gear shaft is used as an output end; the output shaft II, the supporting shaft and the output shaft I are arranged in the gear box body from top to bottom in parallel, and the transmission shaft II and the output shaft I are coaxially arranged; one end of the output shaft I extends out of the gear box body and is connected with the output end of the test planetary gear box, and the sun gear is sleeved or integrally arranged at the other end of the output shaft I; one end of the output shaft II extends out of the gear box body and is connected with one end of the transmission shaft I, and the gear II is sleeved or integrally arranged on the output shaft II; the gear I is sleeved or integrally arranged on the supporting shaft; the sun gear is positioned in the input end of the annular gear, and is meshed with the input end of the annular gear through a plurality of planet gears; the planetary gears are arranged at the output end of the planetary carrier, and the input end of the planetary carrier is connected with the output end of the loader through a transmission shaft II; the gear shaft is sleeved on the transmission shaft II, the input end of the gear shaft is meshed with the output end of the inner gear ring, the output end of the gear shaft is meshed with the gear I, and the gear I is meshed with the gear II.
Further, the annular gear comprises an input annular gear, an output annular gear and a connecting cylinder body which are integrally arranged, the input annular gear is connected with the output annular gear through the connecting cylinder body, the cross section of the side wall of the connecting cylinder body is L-shaped, and the inner diameter of the input annular gear is larger than that of the output annular gear; the sun gear is positioned in the annular gear at the input end and meshed with the annular gear at the input end through a plurality of planet gears; the input end of the gear shaft is positioned in the annular gear at the output end and meshed with the annular gear at the output end.
Further, the gear shaft comprises an input end gear, an output end gear and a hollow shaft which are integrally arranged; the input end gear is arranged at one end of the hollow shaft, and the output end gear is arranged at the other end of the hollow shaft; the gear shaft is arranged on the transmission shaft II through a hollow shaft sleeve; the input end gear is meshed with the inner teeth of the inner gear ring of the output end, and the output end gear of the gear shaft is meshed with the gear I.
Further, the test system also comprises a rotational speed torque instrument I and a rotational speed torque instrument II; one of the output ends of the closed gear box is connected with one end of a rotational speed torque instrument I through a coupler, the other end of the rotational speed torque instrument I is connected with the input end of a test planetary gear box through a coupler, the output end of the test planetary gear box is connected with one end of a rotational speed torque instrument II through a coupler, and the other end of the rotational speed torque instrument II is connected with one end of an output shaft I of a loading gear box through a coupler.
Further, the loader is a hydraulic motor or an electric motor.
Compared with the prior art, the invention has the beneficial effects that:
1. the method is suitable for full-speed and full-load performance tests of various planetary gear boxes, and is particularly suitable for high-power planetary gear boxes; the test device can also be used for a full-rotation-speed full-load performance test of a parallel shaft gear box.
2. The driving mechanism power of the mechanical closed test system is only used for overcoming the friction power consumption in the test system, the planetary gear box test power is loaded by the loader in the mechanical power closed system, the loader can realize loading of larger torque by smaller power through the loading gear box, the energy consumption is small, and the loading is random stepless in real time, so that the principle is clear, the structure is simple, and the implementation is easy.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this application.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the loading gearbox.
Fig. 3 is a schematic structural view of the connection of the ring gear and the gear shaft.
Reference numerals illustrate: 1-a driving mechanism; 2-closing the gearbox; 3-loading a gear box; 3-1-gear housing; 3-2-output shaft I; 3-3-sun gear; 3-4-planet gears; 3-5-planet carrier; 3-6-ring gear; 3-6-1-input ring gear; 3-6-2-output end annular gear; 3-6-3-connecting cylinder; 3-7-gear shaft; 3-8-supporting shafts; 3-9-gear I; 3-10-gear II; 3-11-output shaft II; 4-loader; 5-test planetary gear box; a 6-coupling; 7-a rotational speed torque meter I; 8-a rotational speed torque meter II; 9-a transmission shaft I; 10-transmission shaft II.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
Referring to fig. 1, 2 and 3, the embodiment of the application provides a mechanical closed test system of a high-power planetary gear box by adopting a stepless loading technology, which comprises a driving mechanism 1, a closed gear box 2, a test planetary gear box 5, a plurality of couplers 6, a rotational speed torque instrument I7, a rotational speed torque instrument II8, a transmission shaft I9 and a loading mechanism; the closed gear box 2 and the loading mechanism are in a two-stage transmission mode and are provided with two output ends and one input end; the closed gear box 2 has a closed function, and the two-stage transmission mode is determined according to the size of the center distance.
The output shaft of the driving mechanism 1 is connected with the input end of the closed gear box 2 through a coupler 6, one output end of the closed gear box 2 is connected with one end of a rotational speed torque meter I7 through a coupler 6, the other end of the rotational speed torque meter I7 is connected with one input end of a test planetary gear box 5 through a coupler 6, the other input end of the test planetary gear box 5 is connected with one end of a rotational speed torque meter II8 through a coupler 6, and the other end of the rotational speed torque meter II8 is connected with one output end of a loading mechanism; the other output end of the closed gear box 2 is connected with one end of a transmission shaft I9 through a coupler 6, the other end of the transmission shaft I9 is connected with the other output end of the loading mechanism, and the closed gear box 2, the test planetary gear box 5, the plurality of couplers 6, the rotating speed torque instrument I7, the rotating speed torque instrument II8, the transmission shaft I9 and the loading mechanism integrally form a mechanical power closed chain.
Referring to fig. 2, the loading mechanism comprises a loading gear box 3, a loader 4 and a transmission shaft II10; the loading gear box 3 is a planetary gear box, has two-stage transmission, and is provided with two output ends and one input end, and the loading gear box 3 is an integration of two functions of sealing and loading; the loader 4 is connected with the input end of the loading gear box 3 through a transmission shaft II10, and two output ends of the loading gear box 3 are respectively connected with one end of a transmission shaft I9 and one end of a rotating speed torque meter II8 through a coupler 6.
Referring to fig. 2, the loading gear box 3 comprises a gear box body 3-1, an output shaft i 3-2, a sun gear 3-3, a plurality of planetary gears 3-4, a planet carrier 3-5, an annular gear 3-6, a gear shaft 3-7, a support shaft 3-8, a gear i 3-9, a gear ii 3-10 and an output shaft ii 3-11; the sun gear 3-3, the plurality of planet gears 3-4, the planet carrier 3-5, the annular gear 3-6 and the gear shaft 3-7 form first-stage transmission; the gear shaft 3-7, the gear I3-9 and the gear II 3-10 form second-stage transmission.
Referring to fig. 3, the ring gear 3-6 is a ring gear with an input end and an output end, and comprises an input end ring gear 3-6-1, an output end ring gear 3-6-2 and a connecting cylinder 3-6-3 which are integrally arranged, wherein the input end ring gear 3-6-1 is connected with the output end ring gear 3-6-2 through the connecting cylinder 3-6-3, the cross section of the side wall of the connecting cylinder 3-6-3 is L-shaped, and the inner diameter of the input end ring gear 3-6-1 is larger than the inner diameter of the output end ring gear 3-6-2.
Referring to fig. 3, the gear shaft 3-7 is a shaft body with gears at two ends, and comprises an input end gear 3-7-1, an output end gear 3-7-2 and a hollow shaft 3-7-3 which are integrally arranged; the input end gear 3-7-1 is arranged at one end of the hollow shaft 3-7-3, and the output end gear 3-7-2 is arranged at the other end of the hollow shaft 3-7-3.
The output shaft II 3-11, the support shaft 3-8 and the output shaft I3-2 are arranged in the gear box body 3-1 from top to bottom in parallel, and the transmission shaft II10 and the output shaft I3-2 are coaxially arranged; one end of the output shaft I3-2 extends out of the gear box body 3-1 and is connected with the other end of the rotating speed torque meter II8 through a coupler 6, and the sun gear 3-3 is sleeved or integrally arranged at the other end of the output shaft I3-2; one end of the output shaft II 3-11 extends out of the gear box body 3-1 and is connected with one end of the transmission shaft I9 through the coupler 6, and the gear II 3-10 is sleeved or integrally arranged on the output shaft II 3-11; the gears I3-9 are sleeved or integrally arranged on the supporting shafts 3-8; the sun gear 3-3 is positioned in the inner gear ring 3-6-1 at the input end of the inner gear ring 3-6, the sun gear 3-3 is meshed with the inner gear ring 3-6-1 at the input end through a plurality of planet gears 3-4, namely the sun gear 3-3 is meshed with the planet gears 3-4, and the planet gears 3-4 are meshed with the inner teeth of the inner gear ring 3-6-1 at the input end and transmit torque; the planetary gears 3-4 are arranged on the planetary gear carrier 3-5, the planetary gear carrier 3-5 is connected with the output end of the loader 4 through a transmission shaft II10, namely the input end of the planetary gear carrier 3-5 is connected with the output end of the transmission shaft II10 through a coupler 6 or a spline, and the input end of the transmission shaft II10 is connected with the output end of the loader 4; the gear shaft 3-7 is sleeved on the transmission shaft II10 through the hollow shaft 3-7-3, the input end gear 3-7-1 of the gear shaft 3-7 is meshed with the inner teeth of the inner gear ring 3-6-2 of the output end, the output end gear 3-7-2 of the gear shaft 3-7 is meshed with the gear I3-9, and the gear I3-9 is meshed with the gear II 3-10.
In this embodiment, the sun gear 3-3 and the output shaft i 3-2 may be connected by a key, or may be in the form of an integral gear shaft; the gear II 3-10 and the output shaft II 3-11 can be connected through keys, and can also be in an integrated gear shaft form; the gear I3-9 and the support shaft 3-8 can be connected through keys, and can also be in the form of an integrated gear shaft. The form of connection of the gears to the shaft may be size dependent.
In this embodiment, the loader 4 may be a hydraulic motor or an electric motor, and the test planetary gear box 5 of the present application may implement stepless loading through the loading mechanism, that is, after the driving mechanism 1 drives the test planetary gear box 5 to operate through the closed gear box 2, when loading is required, the loader 4 in the loading mechanism starts loading from zero, so as to implement real-time arbitrary loading.
In this embodiment, during normal test, the test planetary gear box 5 is driven by the driving mechanism 1 to operate under no load, and when the rotation speed of the test planetary gear box 5 reaches the critical rotation speed required to be loaded, the loader 4 starts to load from zero to the required torque, so the driving mechanism 1 provides the required critical rotation speed for the test platform. The output power of the driving mechanism 1 is not required to be too large, the output power is only used for overcoming the frictional work consumption generated by the whole test system, the torque output by the loader 4 through the output shaft I3-2 is directly transmitted to the test planetary gear box 5, the torque transmitted by the output shaft II 3-11 is sequentially transmitted to the test planetary gear box 5 through the transmission shaft I9, the closed gear box 2 and the rotating speed torque meter I7, and certain loss is generated in the transmission process, particularly through the closed gear box 2 and the loading gear box 3, so that certain torque is required to be input through the driving mechanism 1 as compensation, and the torque output by the loader 4 is close to the torque received by the test planetary gear box 5.
In the embodiment, the loader 4 is connected with the planet carrier 3-5 in the loading gearbox 3 through the transmission shaft II10, and transmits loading torque to the planet gears 3-4, so that the sun gear 3-3, the planet gears 3-4 and the inner gear ring 3-6 achieve required meshing force (the meshing force is calculated according to the rated power and the rotating speed of the experimental planetary gearbox 5); the planetary gear 3-4 transmits torque to the output shaft I3-2 through the sun gear 3-3, simultaneously transmits torque to the gear shaft 3-7 through the annular gear 3-6, sequentially transmits torque to the gear I3-9 and the gear II 3-10 through the gear shaft 3-7, and finally transmits torque to the output shaft II 3-11. The torque output by the output shaft I3-2 is transmitted to one input end of the test planetary gear box 5 through the rotating speed torque meter II8, the torque output by the output shaft II 3-11 is transmitted to the other input end of the test planetary gear box 5 through the transmission shaft I9, the closed gear box 2 and the rotating speed torque meter I7 in sequence, so that the torque or test power output by the loader 4 only circulates in a mechanical power closed chain, and the output power of the loader 4 is close to the test power received by the test planetary gear box 5 due to the design of the driving mechanism 1, and the performance of the test planetary gear box 5 under any load is measured.
In this embodiment, the rotational speed and torque meter I7 and the rotational speed and torque meter II8 are used to measure the rotational speed and torque of the input end and the output end of the test planetary gear box 5, respectively, and the mechanical efficiency of the test planetary gear box 5 can be obtained through calculation.
The method is suitable for full-speed and full-load performance tests of various planetary gear boxes, and is particularly suitable for high-power planetary gear boxes; the test device can also be used for a full-rotation-speed full-load performance test of a parallel shaft gear box.
The driving mechanism power of the mechanical closed test system is only used for overcoming the friction power consumption in the test system, the planetary gear box test power is loaded by the loader in the mechanical power closed system, the loader can realize loading of larger torque by smaller power through the loading gear box, the energy consumption is small, and the loading is random stepless in real time, so that the principle is clear, the structure is simple, and the implementation is easy.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (5)
1. The mechanical closed test system of the high-power planetary gear box by adopting the stepless loading technology comprises a driving mechanism (1), a closed gear box (2), a test planetary gear box (5), a plurality of couplings (6), a transmission shaft I (9) and a loading mechanism; the closed gear box (2) and the loading mechanism are provided with two output ends and one input end; the output shaft of the driving mechanism (1) is connected with the input end of the closed gear box (2) through a coupler (6), one output end of the closed gear box (2) is connected with the input end of the test planetary gear box (5) through a coupler (6), and the output end of the test planetary gear box (5) is connected with one output end of the loading mechanism through a coupler (6); the other output end of the closed gear box (2) is connected with one end of a transmission shaft I (9) through a coupler (6), the other end of the transmission shaft I (9) is connected with the other output end of the loading mechanism through the coupler (6), and the closed gear box (2), the test planetary gear box (5), the transmission shaft I (9) and the loading mechanism integrally form a mechanical power closed chain;
the method is characterized in that: the loading mechanism comprises a loading gear box (3), a loader (4) and a transmission shaft II (10); the loading gear box (3) comprises a gear box body (3-1), an output shaft I (3-2), a sun gear (3-3), a plurality of planet gears (3-4), a planet carrier (3-5), an inner gear ring (3-6), a gear shaft (3-7), a supporting shaft (3-8), a gear I (3-9), a gear II (3-10) and an output shaft II (3-11); the sun gear (3-3), the plurality of planet gears (3-4), the planet carrier (3-5), the annular gear (3-6) and the gear shaft (3-7) form first-stage transmission; the gear shaft (3-7), the gear I (3-9) and the gear II (3-10) form second-stage transmission;
the inner gear ring (3-6) is provided with an input end and an output end; the gear shaft (3-7) is a shaft body with gears at two ends, wherein one end is used as an input end, and the other end is used as an output end; the output shaft II (3-11), the supporting shaft (3-8) and the output shaft I (3-2) are arranged in the gear box body (3-1) side by side from top to bottom, and the transmission shaft II (10) and the output shaft I (3-2) are coaxially arranged; one end of the output shaft I (3-2) extends out of the gear box body (3-1) and is connected with the output end of the test planetary gear box (5), and the sun gear (3-3) is sleeved or integrally arranged at the other end of the output shaft I (3-2); one end of the output shaft II (3-11) extends out of the gear box body (3-1) and is connected with one end of the transmission shaft I (9), and the gear II (3-10) is sleeved or integrally arranged on the output shaft II (3-11); the gear I (3-9) is sleeved or integrally arranged on the supporting shaft (3-8); the sun gear (3-3) is positioned in the input end of the annular gear (3-6), and the sun gear (3-3) is meshed with the input end of the annular gear (3-6) through a plurality of planet gears (3-4); the planetary gears (3-4) are arranged at the output end of the planetary carrier (3-5), and the input end of the planetary carrier (3-5) is connected with the output end of the loader (4) through a transmission shaft II (10); the gear shaft (3-7) is sleeved on the transmission shaft II (10), the input end of the gear shaft (3-7) is meshed with the output end of the inner gear ring (3-6), the output end of the gear shaft (3-7) is meshed with the gear I (3-9), and the gear I (3-9) is meshed with the gear II (3-10).
2. The mechanical seal test system for a high-power planetary gear box adopting a stepless loading technology according to claim 1, wherein the mechanical seal test system is characterized in that: the annular gear (3-6) comprises an input annular gear (3-6-1), an output annular gear (3-6-2) and a connecting cylinder (3-6-3) which are integrally arranged, wherein the input annular gear (3-6-1) is connected with the output annular gear (3-6-2) through the connecting cylinder (3-6-3), the cross section of the side wall of the connecting cylinder (3-6-3) is L-shaped, and the inner diameter of the input annular gear (3-6-1) is larger than the inner diameter of the output annular gear (3-6-2); the sun gear (3-3) is positioned in the inner gear ring (3-6-1) at the input end and meshed with the inner gear ring (3-6-1) at the input end through a plurality of planet gears (3-4); the input end of the gear shaft (3-7) is positioned in the annular gear (3-6-2) at the output end and is meshed with the annular gear (3-6-2) at the output end.
3. The mechanical seal test system for a high-power planetary gear box adopting a stepless loading technology according to claim 2, wherein the mechanical seal test system is characterized in that: the gear shaft (3-7) comprises an input end gear (3-7-1), an output end gear (3-7-2) and a hollow shaft (3-7-3) which are integrally arranged; the input end gear (3-7-1) is arranged at one end of the hollow shaft (3-7-3), and the output end gear (3-7-2) is arranged at the other end of the hollow shaft (3-7-3); the gear shaft (3-7) is sleeved on the transmission shaft II (10) through the hollow shaft (3-7-3); the input end gear (3-7-1) is meshed with the inner teeth of the inner gear ring (3-6-2) of the output end, and the output end gear (3-7-2) of the gear shaft (3-7) is meshed with the gear I (3-9).
4. A high power planetary gearbox mechanical seal testing system employing a stepless loading technique according to claim 3, wherein: the test system also comprises a rotational speed torque instrument I (7) and a rotational speed torque instrument II (8); one of the output ends of the closed gear box (2) is connected with one end of a rotating speed torque meter I (7) through a coupler (6), the other end of the rotating speed torque meter I (7) is connected with the input end of a test planetary gear box (5) through the coupler (6), the output end of the test planetary gear box (5) is connected with one end of a rotating speed torque meter II (8) through the coupler (6), and the other end of the rotating speed torque meter II (8) is connected with one end of an output shaft I (3-2) of the loading gear box (3) through the coupler (6).
5. The mechanical seal test system for a high-power planetary gear box adopting a stepless loading technology according to claim 4, wherein the mechanical seal test system is characterized in that: the loader (4) is a hydraulic motor or an electric motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310041311.1A CN115993243A (en) | 2023-01-13 | 2023-01-13 | Mechanical sealing test system of high-power planetary gear box by adopting stepless loading technology |
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| CN202310041311.1A CN115993243A (en) | 2023-01-13 | 2023-01-13 | Mechanical sealing test system of high-power planetary gear box by adopting stepless loading technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118190402A (en) * | 2024-05-16 | 2024-06-14 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Test system for mechanical property of overrunning clutch synchronous mechanism |
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2023
- 2023-01-13 CN CN202310041311.1A patent/CN115993243A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118190402A (en) * | 2024-05-16 | 2024-06-14 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Test system for mechanical property of overrunning clutch synchronous mechanism |
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