阅读说明：本技术 一种变速箱磨合装置 (Gearbox running-in device ) 是由 方华忠 钱子光 李俊杰 于 2019-10-23 设计创作，主要内容包括：本发明涉及变速箱性能测试技术领域,尤其涉及一种变速箱磨合装置。包括：动力装置、磁粉制动器,所述动力装置的输出轴与变速箱的输入端连接；所述磁粉制动器的转动轴与变速箱的输出端连接。现有技术中,往往只能对变速箱进行测试,但是不能模拟真实环境对变速箱内部的齿轮进行磨合。相较于现有技术,本发明通过动力装置与磁粉制动器的配合,有效的对变速箱实际的运行环境进行摸底,一方面能够进行测试,另一方面能够对变速箱内的齿轮有效进行磨合。(The invention relates to the technical field of gearbox performance testing, in particular to a gearbox running-in device. The method comprises the following steps: the magnetic powder brake is arranged on the transmission shaft, and an output shaft of the power device is connected with an input end of the gearbox; and a rotating shaft of the magnetic powder brake is connected with the output end of the gearbox. In the prior art, only a gearbox can be tested, but a real environment cannot be simulated to run in gears in the gearbox. Compared with the prior art, the invention effectively provides a good touch for the actual operating environment of the gearbox through the matching of the power device and the magnetic powder brake, so that the testing can be carried out on one hand, and the gears in the gearbox can be effectively run-in on the other hand.)

1. A gearbox running-in device which characterized in that: the method comprises the following steps: the magnetic powder brake device comprises a power device (11) and a magnetic powder brake (12), wherein an output shaft of the power device (11) is connected with an input end of a gearbox (2);

the rotating shaft of the magnetic powder brake (12) is connected with the output end of the gearbox (2).

2. A gearbox running-in apparatus according to claim 1, wherein: a first connecting flange (111) is arranged on an output shaft of the power device (1);

and a second connecting flange (121) is arranged on the rotating shaft of the magnetic powder brake (12).

3. A gearbox running-in apparatus according to claim 1, wherein: the power device is characterized by further comprising a base (1), wherein the power device (1) is arranged on the base (1);

the magnetic powder brake (12) is arranged on the base (1).

4. A gearbox break-in apparatus as defined in claim 3 wherein: the power device (1) and still be provided with between base (1) installing support (112), the one end of installing support (112) with power device (1) fixed connection, the other end of installing support (112) with base (1) fixed connection.

5. A gearbox break-in apparatus as defined in claim 3 wherein: magnetic powder brake (12) with still be provided with mounting panel (123) between base (1), magnetic powder brake (12) pass through mounting panel (123) with base (1) fixed connection.

6. A gearbox break-in apparatus as defined in claim 3 wherein: the base (1) is further provided with a supporting device, the supporting device corresponds to the power device (1), and the supporting device corresponds to the magnetic powder brake (12).

7. A gearbox running-in apparatus according to claim 6, wherein: the supporting device comprises a supporting frame (131) and a supporting plate (132), the supporting frame (131) corresponds to the power device (11), and one end of the supporting frame (131) is fixedly connected with the base (1);

the supporting plate (132) corresponds to the magnetic powder brake (12), and the supporting plate (132) is fixedly connected with the base.

8. A gearbox break-in apparatus as defined in claim 7 wherein: a bolt through hole is formed in the support frame (131);

the support plate (132) is provided with a bolt through hole.

9. A gearbox break-in apparatus as defined in claim 3 wherein: the magnetic powder brake (12) is two in number, and the magnetic powder brakes (12) are respectively installed on two sides of the base (1).

10. A gearbox running-in apparatus according to claim 1, wherein: the magnetic powder brake (12) is further provided with a cooling end (122), and the cooling end (122) is communicated with the interior of the magnetic powder brake (12).

Technical Field

The invention relates to the technical field of gearbox performance testing, in particular to a gearbox running-in device.

Background

The gearbox is an important part of the vehicle, and can change the transmission ratio and enlarge the torque and the rotating speed of a driving wheel. The gearbox is complex in structure, and a manufacturer is difficult to test after the gearbox is produced, so that defective products are difficult to check.

Chinese patent discloses a novel gearbox assembly testboard [ application number: CN201920231541.3, publication No.: CN209342373U ] includes: the device comprises a base, an input motor, an output motor, two torque and rotation speed sensors and a gearbox assembly mounting rack, wherein the input motor, the output motor, the two torque and rotation speed sensors and the gearbox assembly mounting rack are all arranged on the base; the method is characterized in that: a heating box is also arranged on the base; the base is also provided with two movable mounting tables for mounting an input motor and an output motor; a rotating shaft of the input motor is connected with one torque and rotating speed sensor; and a rotating shaft of the output motor is connected with the other torque and rotating speed sensor. Although the gearbox can be tested, the load cannot be applied to the gearbox, and in the testing process, the gearbox idles, so that the gearbox is not in accordance with the actual operating environment on the one hand, and the gearbox gear cannot be run-in on the other hand.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a gearbox running-in device.

In order to solve the technical problems, the invention provides the following technical scheme:

a gearbox running-in device comprises a power device and a magnetic powder brake, wherein an output shaft of the power device is connected with an input end of a gearbox; and a rotating shaft of the magnetic powder brake is connected with the output end of the gearbox.

This device passes through power device and drives the gearbox operation, applys the resistance to the gearbox through magnetic powder brake to the true operational environment of simulation gearbox, test gearbox that on the one hand can be more accurate, on the other hand effectively running-in gearbox's internal gear through the mode of applying the resistance to the gearbox.

Further, a first connecting flange is arranged on an output shaft of the power device; and a second connecting flange is arranged on the rotating shaft of the magnetic powder brake.

Further, the power device is arranged on the base; the magnetic powder brake is arranged on the base.

Further, the method comprises the following steps: the power device with still be provided with the installing support between the base, the one end of installing support with power device fixed connection, the other end of installing support with base fixed connection.

Further, the magnetic powder brake with still be provided with the mounting panel between the base, the magnetic powder brake pass through the mounting panel with base fixed connection.

Furthermore, a supporting device is further arranged on the base, the supporting device corresponds to the power device, and the supporting device corresponds to the magnetic powder brake.

Furthermore, the supporting device comprises a supporting frame and a supporting plate, the supporting frame corresponds to the power device, and one end of the supporting frame is fixedly connected with the base; the supporting plate corresponds to the magnetic powder brake, and the supporting plate is fixedly connected with the base.

Further, a bolt through hole is formed in the support frame; the supporting plate is provided with a bolt through hole.

Furthermore, the quantity of magnetic powder stopper is two, magnetic powder stopper install respectively the both sides of base.

Further, the method comprises the following steps: and the magnetic powder brake is also provided with a cooling end, and the cooling end is communicated with the inside of the magnetic powder brake.

Compared with the prior art, the invention has the following advantages:

provide power for the gearbox through power device, provide the required resistance of simulated environment for the gearbox through magnetic particle brake, can test the gearbox on the one hand, on the other hand can effectively break-in the inside gear of gearbox.

Drawings

FIG. 1: top view of the device.

FIG. 2: and (6) a right view of the device.

FIG. 3: front view of the device.

In the figure: 1-base, 2-gearbox, 11-power device, 12-magnetic powder brake, 111-first connecting flange, 112-mounting bracket, 121-second connecting flange, 122-cooling end, 123-mounting plate, 131-support frame and 132-support plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

A running-in device of a gearbox comprises a base 1, a power device 11 and two magnetic powder brakes 12. The output shaft of the power device 11 is provided with a first connecting flange 111, and the output shaft of the power device 11 can be connected with the input end of the gearbox 2 through the first connecting flange 111, so as to provide power for the gearbox 2. The rotating shaft of the magnetic powder brake 12 is provided with a second connecting flange 121, and the magnetic powder brake 12 can be connected with the output end of the transmission case 2 through the second connecting flange 121, so that resistance required by simulating an actual environment is provided for the transmission case 2. Power device 11 sets up on base 1, and two magnetic particle brake 12 set up respectively in the both sides of base 1, and power device 11's output shaft is perpendicular with the rotating shaft of magnetic particle brake 12. A mounting bracket 112 is arranged between the power device 11 and the base 1, one end of the mounting bracket 112 is fixedly connected with the power device 11, and the other end of the mounting bracket 112 is fixedly connected with the base 1, so that the power device 11 is fixed through the mounting bracket 112. An installation plate 123 is further arranged between the magnetic powder brake 12 and the base 1, and the magnetic powder brake 12 is connected with the base 1 through the installation plate 123 in a specified mode. The base 1 is further provided with a supporting device, and the supporting device includes a supporting frame 131 and a supporting plate 132. The support plate 132 corresponds to the magnetic particle brake 12, and the support bracket 131 corresponds to the power unit 11. Bolt through holes are formed in the support bracket 131 and the support plate 132.

In actual use, one end of the gearbox 2 is placed at the support frame 131, and a bolt penetrates through a bolt through hole formed in the support frame 131, so that the one end of the gearbox 2 is fixed to the support frame 131 through the bolt. The other end of the transmission case 2 is placed on the support plate 132, and a bolt is passed through a bolt passage provided in the support plate 132, and the other end of the transmission case 2 is fixed to the support plate 132 by the bolt. Nuts corresponding to the bolts are further disposed on both sides of the support plate 132, and the height of the support plate 132 can be adjusted by the cooperation of the bolts and the nuts, so that the transmission case 2 can maintain a horizontal state by the cooperation of the support plate 132 and the support frame 131.

Through the cooperation of the supporting plate 132 and the mounting plate 132, the rotating shaft of the magnetic powder brake 12 and the input end of the transmission case 2 are driven to be on the same horizontal plane, and at this time, the rotating shaft of the magnetic powder brake 12 and the input end of the transmission case 2 can be connected through the second connecting flange 121 arranged on the magnetic powder brake 12. The output shaft of the power device 11 and the input end of the transmission case 2 are driven to be on the same horizontal plane by the matching of the support bracket 131 and the mounting bracket 112, and at this time, the output shaft of the power device 11 and the input end of the transmission case 2 can be connected through the first connecting flange 111 arranged on the power device 11.

And simultaneously operating the power device 11 and the magnetic powder brake 12 to drive the gearbox 2 to operate, thereby completing the test of the gearbox 2 and the running-in of the gears in the gearbox 2. Through the fixed action of backup pad 132 and support frame 131, can effectively reduce the vibrations that produce when gearbox 2 operates to effectively prevent to cause the damage of the junction between first flange 111 of gearbox 2, the second flange 121 because of vibrations. After the gear running-in is finished, the current gearbox is detached from the support frame and the support plate, and the next gearbox needing running-in is installed on the support frame and the support plate so as to test the next gearbox and run-in the gear.

The magnetic powder brake 12 is further provided with a cooling end 122, and the cooling end 122 is communicated with the inside of the magnetic powder brake 12, so that cooling water can be input into the magnetic powder brake 12 through the cooling end 122 to reduce the temperature of the magnetic powder brake 12 during operation.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.