CN114018570A - Gear box overturning test bench - Google Patents
Gear box overturning test bench Download PDFInfo
- Publication number
- CN114018570A CN114018570A CN202111255433.8A CN202111255433A CN114018570A CN 114018570 A CN114018570 A CN 114018570A CN 202111255433 A CN202111255433 A CN 202111255433A CN 114018570 A CN114018570 A CN 114018570A
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- test
- gearbox
- seat
- gear box
- test bench
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
Abstract
The invention discloses a gearbox overturning test bench which is used for a gearbox and comprises a counter force support frame; a test bench; the test bench comprises an outer rotation test bench and an inner rotation test bench; a through groove is formed in the center of the top surface of the external rotation test platform; the inner rotary test platform is arranged in the through groove and is rotationally connected with the outer rotary test platform; two ends of the external rotation test board are respectively connected with the two counter-force support frames in a rotating way; the gear box is fixedly arranged on the inner rotation test board; a hydraulic power system; and the hydraulic power system is in transmission connection with the outer rotation test platform and the inner rotation test platform respectively. The invention has high test precision and wide range, realizes the test of the dynamic performance of the gear box through the rotation in two directions, and can test the sealing performance of the gear box under the dynamic state.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a gearbox overturning test bench.
Background
The gear box of the vehicle is one of the necessary items for automobile safety detection, and the performance index of the gear box directly influences the driving safety. At present, many manufacturers test the static power of the gearbox, the static test has single parameters, and the gearbox power is only tested in a static state. Secondly, the tightness of the gearbox cannot be tested.
Disclosure of Invention
The invention aims to provide a gearbox overturning test bench, which is used for solving the problems in the prior art and can realize dynamic test in a two-direction rotating state; the dynamic performance of the gearbox can be tested, and dynamic characteristics and sealing performance under dynamic conditions can also be tested.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a gearbox overturning test bench, which is used for a gearbox and comprises: a counter-force support frame;
a test bench; the test bench comprises an outer rotation test bench and an inner rotation test bench; a through groove is formed in the center of the top surface of the external rotation test platform; the inner rotary test platform is arranged in the through groove and is rotationally connected with the outer rotary test platform; two ends of the external rotation test bench are respectively connected with the two counter-force support frames in a rotating manner;
the gear box is fixedly arranged on the inner rotating test bench;
a hydraulic power system; and the hydraulic power system is in transmission connection with the outer rotation test platform and the inner rotation test platform respectively.
The counter-force support frame comprises a reinforcing seat at the bottom and a support seat fixedly arranged on the top surface of the reinforcing seat; a first mounting seat is fixedly arranged at the top end of the supporting seat; two opposite side surfaces of the external rotation test platform are respectively provided with a fixed disk in a threaded manner; the fixed disc is rotatably connected with the first mounting seat through a first rotating shaft.
A bearing is arranged in the first mounting seat and is in interference fit with one end of the first rotating shaft through the bearing; the center of the fixed disk is connected with the other end key of the first rotating shaft.
Two second mounting seats are symmetrically arranged on the top surface of the outer rotary test platform, and two third mounting seats are correspondingly arranged on the inner rotary test platform; the second mounting seat is rotatably connected with the third mounting seat through a second rotating shaft; the first rotating shaft is perpendicular to the second rotating shaft in space.
The inner rotation test bench is also provided with an energy absorption module, a gear box mounting seat and a motor; the gear box is fixedly arranged on the gear box mounting seat through bolts; the energy absorption module and the motor are respectively arranged on two sides of the gear box and are connected with the gear box through a coupler.
The output end of the motor is also provided with a torque sensor; the torque sensor is a flange type torque sensor; the motor is a servo motor; the energy absorption module is a vortex machine.
The coupler is a double-diaphragm coupler.
The bottom surface of the external rotation test platform is also provided with a reinforcing plate; the reinforcing plates are of claw-shaped structures and are arranged on two sides of the bottom surface of the outer rotary test platform respectively, and the reinforcing plates are parallel to the counter-force supporting frames.
The hydraulic power system comprises an outer servo hydraulic cylinder and an inner servo hydraulic cylinder; the outer servo hydraulic cylinder is hinged with a first hinge base, and the first hinge base is fixedly arranged on the bottom surface; a hydraulic rod of the outer servo hydraulic cylinder is hinged with a second hinge seat, and the second hinge seat is fixedly installed on one side of the bottom surface of the outer rotary test bench;
the inner servo hydraulic cylinder is hinged with a third hinge base, and the third hinge base is fixedly arranged at the bottom of any reinforcing plate; and a hydraulic rod of the inner servo hydraulic cylinder is hinged with a fourth hinged seat, and the fourth hinged seat is fixedly installed on the bottom surface of the inner rotation test platform.
The two reinforcing plates are fixedly connected through reinforcing ribs.
The invention discloses the following technical effects: (1) the test precision is high. (2) The dynamic performance test of the gearbox can be realized. (3) The test range is wide. (4) The test of rotating in two directions simultaneously can be realized. (5) The hydraulic power system can bear larger load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is an isometric view of the present invention;
wherein, 1, a gear box; 2, a counter-force support frame; 3, a test bench; 4, reinforcing plates; 5, an outer servo hydraulic cylinder; 6, an inner servo hydraulic cylinder; 7, reinforcing ribs; 21, reinforcing seats; 22, a support seat; 23, a mounting seat; 31, an external rotation test bench; 32, rotating the test bed; 33, fixing the disc; 34, a first rotating shaft; 35, a second mounting seat; 36, a third mounting seat; 37, a second rotating shaft; 38, an energy absorption module; 39, a gearbox mounting base; 310, a motor; 311, a coupling; 51, a first articulated seat; 52, a second hinge mount; 61, a third hinge seat; 62, a fourth hinged seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a gearbox overturning test bench, which is used for a gearbox 1 and comprises: a counter-force support frame 2;
a test bench 3; the test station 3 comprises an outer rotary test station 31 and an inner rotary test station 32; a through groove is formed in the center of the top surface of the external rotation test platform 31; the inner rotary test platform 32 is arranged in the through groove and is rotationally connected with the outer rotary test platform 31; two ends of the external rotation test bench 31 are respectively rotatably connected with the two counter-force support frames 2;
the gear box 1 is fixedly arranged on the internal rotation test bench 32;
a hydraulic power system; the hydraulic power system is in transmission connection with the outer rotation test platform 31 and the inner rotation test platform 32 respectively.
In one embodiment of the present invention, as shown in fig. 2, the outer rotary testing table 31 is a cubic structure; the internal rotation test table 32 is of a regular octahedral structure; the through groove is matched with the inner rotation test platform 32 in shape, and a gap is reserved in size, so that the inner rotation test platform 32 can rotate conveniently.
The reaction force support frame 2 comprises a reinforcing seat 21 at the bottom and a support seat 22 fixedly arranged on the top surface of the reinforcing seat 21; a first mounting seat 23 is fixedly arranged at the top end of the supporting seat 22; two opposite side surfaces of the external rotation test platform 31 are respectively provided with a fixed disc 33 in a threaded manner; the fixed disk 33 is rotatably connected with the first mounting seat 23 through a first rotating shaft 34.
In one embodiment of the present invention, a side of the supporting base 22 is formed with an inclined edge, so that the shape and size of the top surface of the supporting base 22 are adapted to the shape and size of the bottom surface of the first mounting base 23.
A bearing is arranged in the first mounting seat 23 and is in interference fit with one end of the first rotating shaft 34 through the bearing; the center of the fixed disk 33 is keyed with the other end of the first rotating shaft 34.
In one embodiment of the invention, the bearing is a sliding bearing. The rotation of the outer rotation test stand 31 with respect to the bottom surface is achieved by the first mounting seat 23.
Two second mounting seats 35 are symmetrically arranged on the top surface of the outer rotary test platform 31, and two third mounting seats 36 are correspondingly arranged on the inner rotary test platform 32; the second mounting seat 35 is rotatably connected with the third mounting seat 36 through a second rotating shaft 37; the first rotating shaft 34 is spatially perpendicular to the second rotating shaft 37.
In one embodiment of the present invention, the rotation of the inner rotary test station 32 relative to the outer rotary test station 31 is achieved by the second mount 35 and the third mount 36.
Further, since the first rotating shaft 34 is spatially perpendicular to the second rotating shaft 37, the rotating directions of the outer rotating test platform 31 and the inner rotating test platform 32 are perpendicular to each other, and the xy-axis direction rotation around the gear box is realized.
The internal rotation test bench 32 is also provided with an energy absorption module 38, a gear box mounting seat 39 and a motor 310; the gear box 1 is fixedly arranged on the gear box mounting seat 39 through bolts; the energy absorption module 38 and the motor 310 are respectively disposed on two sides of the gearbox 1, and are connected to the gearbox 1 through a coupling 311.
The output end of the motor 310 is also provided with a torque sensor; the torque sensor is a flange type torque sensor; the motor 310 is a servo motor; energy-absorbing module 38 is a vortex machine.
Coupling 311 is a dual diaphragm coupling.
The bottom surface of the external rotation test bench 31 is also provided with a reinforcing plate 4; reinforcing plate 4 is claw type structure and is provided with two, divides and locates 31 bottom surface both sides of outer rotatory testboard, and all is parallel to each other with counter-force support frame 2.
The hydraulic power system comprises an outer servo hydraulic cylinder 5 and an inner servo hydraulic cylinder 6; the outer servo hydraulic cylinder 5 is hinged with a first hinge seat 51, and the first hinge seat 51 is fixedly arranged on the bottom surface; a hydraulic rod of the outer servo hydraulic cylinder 5 is hinged with a second hinge seat 52, and the second hinge seat 52 is fixedly arranged on one side of the bottom surface of the outer rotary test platform 31;
the inner servo hydraulic cylinder 6 is hinged with a third hinge seat 61, and the third hinge seat 61 is fixedly arranged at the bottom of any reinforcing plate 4; the hydraulic rod of the inner servo hydraulic cylinder 6 is hinged with a fourth hinged seat 62, and the fourth hinged seat 62 is fixedly installed on the bottom surface of the inner rotation test platform 32.
In one embodiment of the invention, the outer servo hydraulic cylinder 5 and the inner servo hydraulic cylinder 6 are each provided with an independent pump station system and control system.
Further, the first hinge base 51 is fixedly installed on the ground and is disposed on the central connection line of the two reaction force supporting frames 2.
Further, the second hinge base 52 is fixedly installed at one side of the bottom surface of the outer rotation testing platform 31, and the second hinge base 52 is disposed on the central connection line of the second rotating shaft 37.
Furthermore, the third hinge seat 61 is fixedly arranged at the bottom of the reinforcing plate 4, so that the cost is low, the stroke is low, and the angle adjustment is more flexible; the device can also be arranged on the ground, but the stroke is increased, and the cost is increased; and cannot be adjusted when the adjusting angle of the outer servo hydraulic cylinder 5 is too large.
Further, a fourth hinged seat 62 is fixedly installed on one side of the bottom surface of the internal rotation test platform, which is close to the internal servo hydraulic cylinder 6, and the fourth hinged seat 62 is located on the central connection line of the two first rotating shafts 34.
The two reinforcing plates 4 are also fixedly connected by reinforcing ribs 7.
In one embodiment of the present invention, one reinforcing rib 7 is provided, which is disposed in the middle of one side of the reinforcing plate 4 and is disposed away from the outer servo hydraulic cylinder 5 and the inner servo hydraulic cylinder 6 to avoid the generation of limit.
In an embodiment of the invention, during operation, the motor 310 drives the gear box 1 to rotate for testing according to different working conditions, the energy absorption module 38 provides resistance according to different working conditions, the resistance of the vehicle under different working conditions is simulated, the output torque of the motor is directly measured by the flange type torque sensor, and meanwhile, the outer servo hydraulic cylinder 5 and the inner servo hydraulic cylinder 6 enable the gear box shafting structure to rotate around the outer rotation test platform 31 and the inner rotation test platform 32 according to the test working conditions, so that dynamic testing is realized.
In conclusion, the rack has the advantages of high measurement precision, large bearing load and capability of realizing the test of multiple parameters of the gearbox.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. A gearbox roll-over test stand for a gearbox (1), comprising: a counter-force support frame (2);
a test bench (3); the test bench (3) comprises an outer rotation test bench (31) and an inner rotation test bench (32); a through groove is formed in the center of the top surface of the outer rotation test platform (31); the inner rotary test platform (32) is arranged in the through groove and is rotationally connected with the outer rotary test platform (31); two ends of the external rotation test bench (31) are respectively rotatably connected with the two counter-force support frames (2);
the gear box (1) is fixedly arranged on the inner rotating test bench (32);
a hydraulic power system; the hydraulic power system is in transmission connection with the outer rotation test platform (31) and the inner rotation test platform (32) respectively.
2. The gearbox upset test stand of claim 1, characterized in that: the reaction force support frame (2) comprises a reinforcing seat (21) at the bottom and a support seat (22) fixedly arranged on the top surface of the reinforcing seat (21); a first mounting seat (23) is fixedly arranged at the top end of the supporting seat (22); two opposite side surfaces of the external rotation test bench (31) are respectively provided with a fixed disk (33) in a threaded manner; the fixed disc (33) is rotatably connected with the first mounting seat (23) through a first rotating shaft (34).
3. The gearbox upset test stand of claim 2, characterized in that: a bearing is arranged in the first mounting seat (23) and is in interference fit with one end of the first rotating shaft (34) through the bearing; the center of the fixed disc (33) is connected with the other end of the first rotating shaft (34) in a key mode.
4. The gearbox upset test stand of claim 2, characterized in that: two second mounting seats (35) are symmetrically arranged on the top surface of the outer rotary test platform (31), and two third mounting seats (36) are correspondingly arranged on the inner rotary test platform (32); the second mounting seat (35) is rotatably connected with the third mounting seat (36) through a second rotating shaft (37); the first rotating shaft (34) is spatially perpendicular to the second rotating shaft (37).
5. The gearbox upset test stand of claim 2, characterized in that: the internal rotation test bench (32) is also provided with an energy absorption module (38), a gear box mounting seat (39) and a motor (310); the gear box (1) is fixedly arranged on the gear box mounting seat (39) through bolts; the energy absorption module (38) and the motor (310) are respectively arranged on two sides of the gear box (1) and are connected with the gear box (1) through a coupler (311).
6. The gearbox upset test stand of claim 5, characterized in that: the output end of the motor (310) is also provided with a torque sensor; the torque sensor is a flange type torque sensor; the motor (310) is a servo motor; the energy absorbing module (38) is a vortex machine.
7. The gearbox upset test stand of claim 5, characterized in that: the coupler (311) is a double-diaphragm coupler.
8. The gearbox upset test stand of claim 1, characterized in that: the bottom surface of the outer rotary test bench (31) is also provided with a reinforcing plate (4); the reinforcing plates (4) are of claw-shaped structures and are arranged in two parts, are arranged on two sides of the bottom surface of the outer rotary test platform (31) and are parallel to the counter-force support frame (2) mutually.
9. The gearbox upset test stand of claim 8, characterized in that: the hydraulic power system comprises an outer servo hydraulic cylinder (5) and an inner servo hydraulic cylinder (6); the outer servo hydraulic cylinder (5) is hinged with a first hinge seat (51), and the first hinge seat (51) is fixedly arranged on the bottom surface; a hydraulic rod of the outer servo hydraulic cylinder (5) is hinged with a second hinge seat (52), and the second hinge seat (52) is fixedly installed on one side of the bottom surface of the outer rotary test bench (31);
the inner servo hydraulic cylinder (6) is hinged with a third hinge base (61), and the third hinge base (61) is fixedly arranged at the bottom of any reinforcing plate (4); the hydraulic rod of the inner servo hydraulic cylinder (6) is hinged to a fourth hinged seat (62), and the fourth hinged seat (62) is fixedly installed on the bottom surface of the inner rotation test platform (32).
10. The gearbox upset test stand of claim 9, characterized in that: the two reinforcing plates (4) are also fixedly connected through reinforcing ribs (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255433.8A CN114018570A (en) | 2021-10-27 | 2021-10-27 | Gear box overturning test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255433.8A CN114018570A (en) | 2021-10-27 | 2021-10-27 | Gear box overturning test bench |
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| Publication Number | Publication Date |
|---|---|
| CN114018570A true CN114018570A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111255433.8A Pending CN114018570A (en) | 2021-10-27 | 2021-10-27 | Gear box overturning test bench |
Country Status (1)
| Country | Link |
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| CN (1) | CN114018570A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054079A (en) * | 2023-10-13 | 2023-11-14 | 如皋市宏茂铸钢有限公司 | Performance detection device of gear box for offshore wind power generation |
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| CN202110062U (en) * | 2011-06-20 | 2012-01-11 | 山西省交通科学研究院 | Automobile manual transmission testing device |
| CN103308303A (en) * | 2013-05-09 | 2013-09-18 | 重庆齿轮箱有限责任公司 | No-load test device for overturning of pitch-variable gearbox |
| CN105510030A (en) * | 2016-01-25 | 2016-04-20 | 徐州徐工传动科技有限公司 | Engineering machinery gearbox inclining test system and test method thereof |
| CN206787824U (en) * | 2017-06-13 | 2017-12-22 | 许昌学院 | A kind of horizontal reciprocating rotary reductor product compbined test testboard |
| CN108398261A (en) * | 2018-01-25 | 2018-08-14 | 盐城工学院 | A kind of gear transmission efficiency detection device with retarder |
| CN210774755U (en) * | 2019-11-29 | 2020-06-16 | 中国船舶重工集团公司第七一九研究所 | Swing table |
| CN112880955A (en) * | 2021-03-31 | 2021-06-01 | 安徽天正传动科技有限公司 | Vibration monitoring device of speed reducer for land leveler |
-
2021
- 2021-10-27 CN CN202111255433.8A patent/CN114018570A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202110062U (en) * | 2011-06-20 | 2012-01-11 | 山西省交通科学研究院 | Automobile manual transmission testing device |
| CN103308303A (en) * | 2013-05-09 | 2013-09-18 | 重庆齿轮箱有限责任公司 | No-load test device for overturning of pitch-variable gearbox |
| CN105510030A (en) * | 2016-01-25 | 2016-04-20 | 徐州徐工传动科技有限公司 | Engineering machinery gearbox inclining test system and test method thereof |
| CN206787824U (en) * | 2017-06-13 | 2017-12-22 | 许昌学院 | A kind of horizontal reciprocating rotary reductor product compbined test testboard |
| CN108398261A (en) * | 2018-01-25 | 2018-08-14 | 盐城工学院 | A kind of gear transmission efficiency detection device with retarder |
| CN210774755U (en) * | 2019-11-29 | 2020-06-16 | 中国船舶重工集团公司第七一九研究所 | Swing table |
| CN112880955A (en) * | 2021-03-31 | 2021-06-01 | 安徽天正传动科技有限公司 | Vibration monitoring device of speed reducer for land leveler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054079A (en) * | 2023-10-13 | 2023-11-14 | 如皋市宏茂铸钢有限公司 | Performance detection device of gear box for offshore wind power generation |
| CN117054079B (en) * | 2023-10-13 | 2023-12-26 | 如皋市宏茂铸钢有限公司 | Performance detection device of gear box for offshore wind power generation |
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Application publication date: 20220208 |
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