CN111220382A - Closed three-fork-rod-ball cage transmission shaft efficiency test bench - Google Patents
Closed three-fork-rod-ball cage transmission shaft efficiency test bench Download PDFInfo
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- CN111220382A CN111220382A CN202010170406.XA CN202010170406A CN111220382A CN 111220382 A CN111220382 A CN 111220382A CN 202010170406 A CN202010170406 A CN 202010170406A CN 111220382 A CN111220382 A CN 111220382A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
- G01M13/026—Test-benches of the mechanical closed-loop type, i.e. having a gear system constituting a closed-loop in combination with the object under test
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Abstract
The invention discloses an efficiency test bench for a closed three-fork rod-ball cage transmission shaft, which comprises a base, a motor I, a gear box I, a rotating speed and torque sensor I, a support I, an angle sensor, a rotating speed and torque sensor II, a support II, a gear box II, a torque loader support, a tool, a horizontal swinging device and an axial moving device, wherein two test pieces are connected between the gear box I and the gear box II by the tool to form a closed loop, the rotating speed and the torque input and the rotating speed and the torque output by the rotating speed and torque sensor I and the rotating speed and torque sensor II are respectively measured, the motor I is connected with the gear box I to compensate the friction loss in the closed loop, and the horizontal swinging device and the axial moving device are fixed on the base, and the test of the transmission efficiency of test pieces with various specifications under different rotating speeds, loads and deflection angles can be realized.
Description
Technical Field
The invention relates to the field of measurement, in particular to a closed three-fork rod-ball cage transmission shaft efficiency test bench.
Background
The automobile transmission shaft is an important component of an automobile transmission system, and the power performance and the fuel economy of an automobile are directly reflected by the transmission efficiency of the automobile transmission shaft. Most of the conventional automobile transmission shaft test beds are open test beds, so that the power consumption is high and the test cost is high. The invention provides a closed three-fork rod-ball cage transmission shaft efficiency test bed which is a closed power flow type test bed, has the advantages of no need of installing an energy consumption device, energy conservation and the like, and can realize the test of the transmission efficiency of three-fork rod-ball cage transmission shafts with different sizes and structures under different rotating speeds, loads and deflection angles.
Disclosure of Invention
The invention aims to provide an energy-saving closed three-fork rod-ball cage transmission shaft efficiency test bed suitable for test pieces of different sizes.
The scheme adopted by the invention is as follows:
a closed type three-fork rod-ball cage transmission shaft efficiency test bed comprises a base, a first motor support, a coupler, a first gear box, a first rotating speed torque sensor, a first support, an angle sensor, a second rotating speed torque sensor, a second support, a second gear box, a torque loader support, a tool, a horizontal swinging device and an axial moving device, wherein the first motor is connected with the first gear box through the coupler, the first motor is fixed by the first motor support, the first motor support and the first gear box are fixed on the horizontal swinging device, the second gear box is fixed on the axial moving device, the horizontal swinging device and the axial moving device are fixed on the base, the angle sensor is fixed at a swinging central shaft of the horizontal swinging device, the first support is fixed on the horizontal swinging device, the second support is fixed on the second gear box, and the torque loader support is fixed on the first gear box.
Further, horizontal pendulous device is including swing slip table, circular orbit, electric putter, stopper one, electric putter includes push rod, motor three, the circular orbit is fixed on the base, the swing center of swing slip table with circular orbit's the centre of a circle is articulated, electric putter fixes on the base, and with swing slip table links to each other, motor three control the push rod is flexible, and then drives swing slip table rotates on the circular orbit, the pivoted angle by angle sensor detects, the rotation in-process by stopper one prevents the position overtravel, stopper one is fixed on the circular orbit.
Further, the axial moving device comprises a second limiting block, a linear sliding table, a ball screw, a third limiting block and a second motor, the linear sliding table is connected with the ball screw, the ball screw is mounted on the second limiting block, the third limiting block is connected with the second motor, the second limiting block is prevented from being damaged by three, the position of the linear sliding table is over-traveled in the moving process, and the third limiting block is fixed on the base.
Further, the first gear box and the second gear box have the same structural parameters, and the gear transmission ratio is 1: 1; the first gear box comprises a first gear shaft and a second gear shaft; the second gear box comprises a third gear shaft and a fourth gear shaft.
Further, the tool comprises a first shaft sleeve, a first flange, a second shaft sleeve, a third shaft sleeve, a second flange and a fourth shaft sleeve, wherein a first gear shaft is connected with the first shaft sleeve, the first flange is fixed on the second shaft sleeve, the second shaft sleeve is connected with the third gear shaft, the second gear shaft is connected with the fourth shaft sleeve, the second flange is fixed on the third shaft sleeve, the third shaft sleeve is connected with the fourth gear shaft, the ball cage end of the first test piece is connected with the first shaft sleeve, the three-fork rod end is connected with the first flange, the ball cage end of the second test piece which is identical to the first test piece is connected with the fourth shaft sleeve, and the three-fork rod end is connected with the second flange, so that a closed loop is formed; the first motor is used for compensating the power of friction loss in the closed loop, the torque loader is installed on the first shaft sleeve, and the first gear shaft generates torque opposite to one direction of a test piece of the three-fork rod-ball cage transmission shaft so as to apply load to the closed loop; the first rotating speed and torque sensor is installed on the fourth shaft sleeve and fixed by the first support, and the second rotating speed and torque sensor is installed on the second flange and fixed by the second support.
The closed three-fork rod-ball cage transmission shaft efficiency test bench has the beneficial effects that:
the two three-fork rod-ball cage transmission shaft test pieces are connected between the first gear box and the second gear box through the tool, and a power flow closed loop is formed, so that energy consumption is greatly saved compared with an open test bed; the first motor provides rotating speed for a system loop, so that the efficiency of the three-fork rod-ball cage transmission shaft is tested at different rotating speeds; the torque loader applies load to a system loop, so that the efficiency test of the three-fork rod-ball cage transmission shaft under different loads is realized; the horizontal swinging device drives the first gear box to swing, so that the efficiency test of the three-fork rod-ball cage transmission shaft under different rotation angles is realized; the axial moving device drives the gear box II to move, so that the efficiency test of the three-fork rod-ball cage transmission shafts with different sizes is realized.
Drawings
FIG. 1: the invention relates to a structure front view of a closed three-fork rod-ball cage transmission shaft efficiency test bench;
FIG. 2: the invention relates to a top view of a closed three-fork rod-ball cage transmission shaft efficiency test bench structure;
FIG. 3: the invention discloses a structure schematic diagram of a gear box of a closed three-fork rod-ball cage transmission shaft efficiency test bench;
FIG. 4: the invention discloses a closed three-fork rod-ball cage transmission shaft efficiency test bench gearbox II structure schematic diagram.
In the figure: 1-base, 2-motor I, 3-motor support, 4-coupling, 5-gearbox I, 51-gear shaft I, 52-gear shaft II, 6-rotating speed torque sensor I, 7-support I, 8-angle sensor, 9-rotating speed torque sensor II, 10-support II, 11-gearbox II, 111-gear shaft III, 112-gear shaft IV, 12-torque loader, 13-torque loader support, 14-tooling, 141-shaft sleeve I, 142-flange I, 143-shaft sleeve II, 144-shaft sleeve III, 145-flange II, 146-shaft sleeve IV, 15-horizontal swinging device, 151-swinging sliding table, 152-circular track, 153-electric push rod, 1531-push rod, 1532-motor three, 154-first limit block, 16-axial moving device, 161-second limit block, 162-linear sliding table, 163-ball screw, 164-third limit block, 165-motor two.
Detailed Description
Specific implementations of the present invention are further described below in conjunction with the following figures.
As shown in fig. 1, 2, 3 and 4, the invention relates to a closed type tripod-ball cage transmission shaft efficiency test bed, which comprises a base 1, a motor I2, a motor bracket 3, a coupler 4, a gear box I5, a rotating speed and torque sensor I6, a bracket I7, an angle sensor 8, a rotating speed and torque sensor II 9, a bracket II 10, a gear box II 11, a torque loader 12, a torque loader bracket 13, a tooling 14, a horizontal swinging device 15 and an axial moving device 16, wherein the motor I2 is connected with the gear box I5 through the coupler 4, the motor I2 is fixed by the motor bracket 3, the motor bracket 3 and the gear box I5 are fixed on the horizontal swinging device 15, the gear box II 11 is fixed on the axial moving device 16, the horizontal swinging device 15 and the axial moving device 16 are fixed on the base 1, the angle sensor 8 is fixed at the swing central shaft of the horizontal swing device 15, the first support 7 is fixed on the horizontal swing device 15, the second support 10 is fixed on the second gear box 11, and the torque loader support 13 is fixed on the first gear box 5.
Further, horizontal pendulous device 15 includes swing slip table 151, annular rail 152, electric putter 153, stopper one 154, electric putter 153 includes push rod 1531, motor three 1532, annular rail 152 is fixed on the base 1, swing slip table 151's swing center with the centre of a circle of annular rail 152 is articulated, electric putter 153 is fixed on the base 1, and with swing slip table 151 links to each other, motor three 1532 control push rod 1531 is flexible, and then drives swing slip table 151 is in rotate on the annular rail 152, the pivoted angle by angle sensor 8 detects, in the rotation process by stopper one 154 prevents the position overtravel, stopper one 154 is fixed on the annular rail 152.
Further, the axial moving device 16 includes a second limit block 161, a linear sliding table 162, a ball screw 163, a third limit block 164, and a second motor 165, the linear sliding table 162 is connected to the ball screw 163, the ball screw 163 is installed on the second limit block 161, and is connected to the second motor 165 through the third limit block 164, the second limit block 161 and the third limit block 164 prevent the position of the linear sliding table 162 from being over-traveled during the moving process, and the second motor 165, the second limit block 161, and the third limit block 164 are fixed on the base 1.
Further, the structural parameters of the first gearbox 5 and the second gearbox 11 are completely the same, and the gear transmission ratio is 1: 1; the first gear box 5 comprises a first gear shaft 51 and a second gear shaft 52; the second gear box 11 comprises a third gear shaft 111 and a fourth gear shaft 112.
Further, the tool 14 includes a first shaft sleeve 141, a first flange 142, a second shaft sleeve 143, a third shaft sleeve 144, a second flange 145 and a fourth shaft sleeve 146, the first gear shaft 51 is connected with the first shaft sleeve 141, the first flange 142 is fixed on the second shaft sleeve 143, the second shaft sleeve 143 is connected with the third gear shaft 111, the fourth shaft sleeve 146 is connected with the second gear shaft 52, the second flange 145 is fixed on the third shaft sleeve 144, the third shaft sleeve 144 is connected with the fourth gear shaft 112, a ball cage end of the first test piece is connected with the first shaft sleeve 141, a three-fork rod end is connected with the first flange 142, a ball cage end of the second test piece which is identical to the first test piece is connected with the fourth shaft sleeve 146, and the three-fork rod end is connected with the second flange 145, so as to form a closed loop; the motor I2 is used for compensating the power of friction loss in a closed loop, the torque loader 12 is installed on the shaft sleeve I141, and loads are applied to the closed loop by enabling the gear shaft I51 to generate torque opposite to one rotation direction of the three-fork rod-ball cage transmission shaft test piece; the first rotating speed and torque sensor 6 is mounted on the fourth shaft sleeve 146 and fixed by the first support 7, and the second rotating speed and torque sensor 9 is mounted on the second flange 145 and fixed by the second support 10.
As shown in fig. 1, 2, 3 and 4, the working method of the closed type three-fork rod-ball cage transmission shaft efficiency test bench provided by the invention comprises the following steps:
when the transmission efficiency of the three-fork-ball-cage transmission shaft is tested, the motor I2, the torque loader 12 and the motor III 1532 are started to respectively provide rotating speed, load and deflection angles for a whole system loop, data are recorded by the rotating speed torque sensor I6 and the rotating speed torque sensor II 9, and a transmission efficiency value under a certain rotating speed, torque and deflection angle of the three-fork-ball-cage transmission shaft is obtained after processing; adjusting the rotating speed of the first motor 2, and measuring the efficiency of the three-fork rod-ball cage transmission shaft under different rotating speeds under the condition that other conditions are unchanged; the torque loader 12 is adjusted to measure the efficiency of the three-fork rod-ball cage transmission shaft under different torques under the condition that other conditions are unchanged; the motor three 1532 is started to control the push rod 1531 to stretch and retract, so as to drive the swing sliding table 151 to rotate on the annular track 152, after the angle sensor 8 detects that the rotating angle is proper, the swing sliding table 151 stops rotating, and the efficiency of the three-fork rod-ball cage transmission shaft under different deflection angles under the condition that other conditions are unchanged can be measured; when the three-fork rod-ball cage transmission shaft test is carried out on the three-fork rod-ball cage transmission shaft with different lengths, the bolts for fixing the linear sliding table 162 are loosened, the second motor 165 is started to drive the ball screw 163 to rotate, the linear sliding table 162 is driven to move to the corresponding position, the linear sliding table 162 is fixed through the bolts, the three-fork rod-ball cage transmission shaft test piece is replaced, and the previous steps are repeated.
The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.
Claims (5)
1. The utility model provides a closed three fork arms-ball cage transmission shaft efficiency test bench which characterized in that: the device comprises a base, a first motor support, a coupler, a first gear box, a first rotating speed torque sensor, a first support, an angle sensor, a second rotating speed torque sensor, a second support, a second gear box, a torque loader, a first torque loader support, a tool, a horizontal swinging device and an axial moving device, wherein the first motor is connected with the first gear box through the coupler, the first motor is fixed by the first motor support, the first motor support and the first gear box are fixed on the horizontal swinging device, the second gear box is fixed on the axial moving device, the horizontal swinging device and the axial moving device are fixed on the base, the angle sensor is fixed at the swinging central shaft of the horizontal swinging device, the first support is fixed on the horizontal swinging device, and the second support is fixed on the second gear box, the torque loader bracket is fixed on the first gear box.
2. The closed type trident rod-ball cage transmission shaft efficiency test bench set forth in claim 1, wherein: horizontal pendulous device includes swing slip table, circular orbit, electric putter, stopper one, electric putter includes push rod, motor three, the circular orbit is fixed on the base, the swing center of swing slip table with circular orbit's the centre of a circle is articulated, electric putter fixes on the base, and with the swing slip table links to each other, motor three control the push rod is flexible, and then drives the swing slip table is in rotate on the circular orbit, the pivoted angle by angle sensor detects, rotates the in-process by stopper one prevents the position overtravel, stopper one is fixed on the circular orbit.
3. The closed type trident rod-ball cage transmission shaft efficiency test bench set forth in claim 1, wherein: the axial moving device comprises a second limiting block, a third linear sliding table, a ball screw, a third limiting block and a second motor, the linear sliding table is connected with the ball screw, the ball screw is mounted on the second limiting block, the third limiting block is connected with the second motor, the second limiting block is connected with the third limiting block in a three-prevention mode, the position of the linear sliding table is over-traveled in the moving process, and the third limiting block is fixed on the base.
4. The closed type trident rod-ball cage transmission shaft efficiency test bench set forth in claim 1, wherein: the first gear box and the second gear box have the same structural parameters, and the gear transmission ratio is 1: 1; the first gear box comprises a first gear shaft and a second gear shaft; the second gear box comprises a third gear shaft and a fourth gear shaft.
5. The enclosed tripod-ball cage transmission shaft efficiency test bench of claim 4, wherein: the tool comprises a first shaft sleeve, a first flange, a second shaft sleeve, a third shaft sleeve, a second flange and a fourth shaft sleeve, wherein a first gear shaft is connected with the first shaft sleeve, the first flange is fixed on the second shaft sleeve, the second shaft sleeve is connected with a third gear shaft, the second gear shaft is connected with the fourth shaft sleeve, the second flange is fixed on the third shaft sleeve, the third shaft sleeve is connected with the fourth gear shaft, the ball cage end of a first test piece is connected with the first shaft sleeve, the three-fork rod end is connected with the first flange, the ball cage end of a second test piece which is identical to the first test piece is connected with the fourth shaft sleeve, and the three-fork rod end is connected with the second flange, so that a closed loop is formed; the first motor is used for compensating the power of friction loss in the closed loop, the torque loader is installed on the first shaft sleeve, and the first gear shaft generates torque opposite to one direction of a test piece of the three-fork rod-ball cage transmission shaft so as to apply load to the closed loop; the first rotating speed and torque sensor is installed on the fourth shaft sleeve and fixed by the first support, and the second rotating speed and torque sensor is installed on the second flange and fixed by the second support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170406.XA CN111220382A (en) | 2020-03-12 | 2020-03-12 | Closed three-fork-rod-ball cage transmission shaft efficiency test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170406.XA CN111220382A (en) | 2020-03-12 | 2020-03-12 | Closed three-fork-rod-ball cage transmission shaft efficiency test bench |
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| Publication Number | Publication Date |
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| CN111220382A true CN111220382A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010170406.XA Pending CN111220382A (en) | 2020-03-12 | 2020-03-12 | Closed three-fork-rod-ball cage transmission shaft efficiency test bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945847A (en) * | 2021-09-19 | 2022-01-18 | 浙江工业大学之江学院 | Motor control system testing device |
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2020
- 2020-03-12 CN CN202010170406.XA patent/CN111220382A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945847A (en) * | 2021-09-19 | 2022-01-18 | 浙江工业大学之江学院 | Motor control system testing device |
| CN113945847B (en) * | 2021-09-19 | 2024-02-13 | 浙江工业大学之江学院 | Motor control system testing device |
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