CN218035657U

CN218035657U - Input shaft bearing seat of transmission gear-shifting test bench

Info

Publication number: CN218035657U
Application number: CN202221546539.3U
Authority: CN
Inventors: 侯洁洁; 许明中; 冯殿军
Original assignee: Xian Fast Auto Drive Co Ltd
Current assignee: Xian Fast Auto Drive Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-13
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to a derailleur test technical field that shifts especially relates to an input shaft bearing frame of derailleur test bench that shifts, including derailleur input shaft speed measuring code wheel, bearing frame outer lane, bearing inner race axle sleeve, bearing, spline housing, tachometer sensor and oil mixing motor adapter, the bearing frame outer lane is fixed on the derailleur support, tachometer sensor fixes on the bearing frame outer lane, the bearing sets up between bearing frame outer lane and bearing inner race axle sleeve, spline housing, derailleur input shaft speed measuring code wheel, oil mixing motor adapter all with bearing inner race shaft liner connection. The utility model relates to an input shaft bearing frame of derailleur test rack that shifts can match different derailleur input shaft spline sizes, and the derailleur input shaft tests the speed code wheel unchangeably with speed sensor's rigidity, has improved speed sensor's life, can realize fast and stir being connected and the disconnection of oil motor, satisfies the test demand of multiple type derailleur performance of shifting and life-span.

Description

Input shaft bearing seat of transmission gear-shifting test bench

Technical Field

The utility model relates to a derailleur test technical field that shifts specifically is a derailleur test rack's input shaft bearing frame that shifts.

Background

The manual transmission gear shifting rack test is an essential link in the research and development process of the manual transmission gear shifting rack test, when the gear shifting test is carried out on a transmission, the speed of the transmission input shaft is stably supported, the speed of the input shaft is monitored in real time, the correctness of gears in the gear shifting process of a transmission main box is judged, the transmission input shaft is usually required to be connected with a bearing seat through a spline sleeve, and a speed measuring code disc and a speed measuring sensor are designed on the bearing seat to monitor the rotating speed of the transmission input shaft in real time. When the high-low gear of the auxiliary box of the main-auxiliary box structure transmission is switched, an output shaft of the oil stirring motor is connected with an input shaft of the transmission through a bearing seat, so that the main box of the transmission is stirred with oil and lubricated.

The spline sleeve matched with the transmission input shaft on the existing bearing seat is fixed on the bearing seat through a pressing plate, so that the assembly and disassembly are troublesome. When the oil stirring motor is connected and disconnected, the speed measuring coded disc needs to be detached and replaced, the speed measuring sensor is adjusted to a proper position and then fixed, the disassembly and the assembly are time-consuming, the efficiency is low, and the end face of the speed measuring sensor is easy to damage, so that the testing precision of the speed measuring sensor is reduced, and the service life of the speed measuring sensor is prolonged.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides an input shaft bearing frame of derailleur test rack that shifts, simple structure, experimental dismouting is efficient, improves speed sensor's life, and can realize fast and stir being connected and the disconnection of oil motor.

The utility model discloses a realize through following technical scheme:

the utility model provides an input shaft bearing frame of derailleur test bench that shifts, includes derailleur input shaft speed measuring code wheel, bearing frame outer lane, bearing inner race axle sleeve, bearing, spline housing, speed sensor and oil mixing motor adapter, the bearing frame outer lane is fixed on the derailleur support, speed sensor fixes on the bearing frame outer lane, the bearing sets up between bearing frame outer lane and bearing inner race axle sleeve, spline housing, derailleur input shaft speed measuring code wheel, oil mixing motor adapter all with bearing inner race axle sleeve connection, oil mixing motor adapter is used for connecting the oil mixing motor.

Preferably, the bearing is a double row angular contact ball bearing.

Preferably, a spigot positioning and fixing bolt is arranged between the spline housing and the bearing inner ring shaft sleeve, and the spline housing and the bearing inner ring shaft sleeve are fixedly connected through the fixing bolt.

Preferably, the bearing device further comprises a bearing inner ring axial fixing transition, and the bearing inner ring axial fixing transition is connected with the bearing inner ring shaft sleeve.

Preferably, the oil stirring motor adapter is provided with a connecting hole, and the connecting hole is used for connecting the oil stirring motor and the bearing seat.

Preferably, a spring plunger is arranged inside the connecting hole and matched with the connecting hole.

Preferably, the bearing seat outer ring is provided with a bearing outer ring axial fixing ring, and the bearing outer ring axial fixing ring is used for axial positioning of the bearing.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to an input shaft bearing frame of derailleur test rack that shifts, speed sensor fix on the bearing frame outer lane, and the derailleur input shaft speed measurement code wheel is unchangeable with speed sensor's rigidity, has improved the life of sensor, can realize fast and stir being connected and the disconnection of oil motor, and experimental dismouting is efficient, satisfies the test demand of multiple type derailleur performance of shifting and life-span.

The spline housing can be designed according to the matching of the transmission input shaft so as to adapt to different splines on different transmission input shafts.

Furthermore, the connection and disconnection of the oil stirring motor and the input shaft of the transmission are realized through the connection and disconnection of the spring plunger and a corresponding connecting hole on the oil stirring motor adapter.

The oil stirring motor rotates, the oil stirring motor adapter matched with the oil stirring motor is driven to rotate through the spring plunger, power is transmitted to the input shaft of the transmission, and the effect of oil stirring and lubrication of the main box of the transmission is achieved.

Drawings

Fig. 1 is a schematic diagram of a state that an input shaft bearing seat of a transmission gear shifting test rack of the present invention is disconnected from an oil stirring motor;

fig. 2 is the utility model relates to a derailleur test rack's of shifting input shaft bearing frame and oil mixing motor connected state's schematic diagram.

In the figure, 1, an output flange of an oil stirring motor; 2. transition of an output flange of the oil stirring motor; 3. a spring plunger; 4. An oil stirring motor adapter; 5. a speed measuring coded disc of the transmission input shaft; 6. the bearing inner ring is axially fixed and transited; 7. A bearing outer ring axial fixing ring; 8. an outer ring of the bearing seat; 9. a transmission carrier; 10. a bearing; 11. a bearing inner ring shaft sleeve; 12. a spline housing; 13. a speed measuring sensor.

Detailed Description

The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.

The utility model discloses an input shaft bearing frame of derailleur test rack that shifts, refer to fig. 1, 2, including derailleur input shaft speed measuring code wheel 5, bearing frame outer lane 8, bearing inner circle axle sleeve 11, bearing 10, spline housing 12, a tachometer sensor, oil mixing motor adapter 4, spline housing 12 and bearing inner circle axial fixity transition 6, bearing frame outer lane 8 passes through the bolt fastening on derailleur support 9, tachometer sensor 13 passes through the bolt fastening on bearing frame outer lane 8, bearing 10 sets up between bearing frame outer lane 8 and bearing inner circle axle sleeve 11, bearing 10 is double-row angular contact ball bearing in this embodiment, tachometer sensor 13 is used for detecting derailleur input shaft speed.

The bearing seat outer ring 8 is provided with a bearing outer ring axial fixing ring 7, and the bearing outer ring axial fixing ring 7 is used for axially positioning the outer ring of the bearing 10.

The speed measuring coded disc 5 of the transmission input shaft is connected with the bearing inner ring shaft sleeve 11, the bearing inner ring axial fixing transition 6 and the bearing inner ring shaft sleeve 11 are fixed through bolts, the axial positioning effect is achieved on the bearing, and the speed measuring coded disc 5 of the transmission input shaft is fixedly connected with the bearing inner ring shaft sleeve 11 through bolts.

The bearing inner ring shaft sleeve 11 and the bearing inner ring axial fixing transition 6 are fixed through bolts, and the bearing inner ring axial fixing transition 6 plays a role in axially positioning the bearing inner ring.

The spline housing 12 is connected with the bearing inner ring shaft sleeve 11. A spigot positioning and fixing bolt is arranged between the spline housing 12 and the bearing inner ring shaft sleeve 11, and the fixing bolt fixedly connects the spline housing 12 and the bearing inner ring shaft sleeve 11.

The oil mixing motor adapter 4 is used for connecting the oil mixing motor with the bearing seat. Be equipped with on the oil mixing motor and stir oil motor output flange 1, be fixed with oil mixing motor output flange transition 2 on the oil mixing motor output flange 1, be equipped with the connecting hole on the oil mixing motor adapter 4, be equipped with spring plunger 3 in the connecting hole, oil mixing motor output flange transition 2 passes through spring plunger 3 and is connected with oil mixing motor adapter 4, spring plunger 3 and connecting hole cooperation, spring plunger 3 is equipped with a plurality ofly, spring plunger 3 is equipped with threely in this embodiment.

During testing, when the main box and the auxiliary box are subjected to gear shifting testing conversion, the spring plunger 3 is connected or disconnected with the corresponding connecting hole in the oil stirring motor adapter 4, so that the oil stirring motor is connected or disconnected with the bearing seat.

Referring to fig. 1 and 2, the bearing seat has two connection states in the test work, wherein fig. 1 is used for the main box or single box transmission gear shifting test of the main and auxiliary box transmissions, and fig. 2 is used for the auxiliary box gear shifting test of the transmissions.

The transmission input shaft is connected with the spline housing 12 in a matching mode, the speed measuring coded disc 5 of the transmission input shaft in the figure 1 rotates together with the spline housing 12, and the speed measuring sensor 13 detects the rotating speed of the transmission input shaft.

When the oil mixing motor needs to be connected, the oil mixing motor is moved along the axial direction, the three spring plungers 3 are pre-pressed, the output flange of the oil mixing motor is rotated slightly to be transited by 2, after the three spring plungers 3 are popped into the corresponding connecting holes of the adapter 4 of the oil mixing motor, the oil mixing motor is continuously moved until the joint surface is jointed, and the connection is completed.

The oil stirring motor rotates, the spring plunger 3 drives the oil stirring motor adapter 4 matched with the spring plunger to rotate, power is transmitted to the transmission input shaft, and the effect of oil stirring and lubrication of the transmission main box is achieved.

The utility model relates to an input shaft bearing frame of derailleur test bench that shifts can match different derailleur input shaft spline sizes, and derailleur input shaft speed measuring code wheel 5 is unchangeable with tacho sensor 13's rigidity, has improved tacho sensor's life, can realize fast and stir being connected and the disconnection of oil motor, and experimental dismouting is efficient, satisfies the test demand in polytype derailleur performance of shifting and life-span.

Claims

1. The utility model provides an input shaft bearing frame of derailleur test bench that shifts, its characterized in that includes derailleur input shaft speed measuring code wheel (5), bearing frame outer lane (8), bearing inner circle axle sleeve (11), bearing (10), spline housing (12), speed sensor (13) and oil stirring motor adapter (4), bearing frame outer lane (8) are fixed on derailleur support (9), speed sensor (13) are fixed on bearing frame outer lane (8), bearing (10) set up between bearing frame outer lane (8) and bearing inner circle axle sleeve (11), spline housing (12), derailleur input shaft speed measuring code wheel (5), oil stirring motor adapter (4) all are connected with bearing inner circle axle sleeve (11), oil stirring motor adapter (4) are used for connecting the oil stirring motor.

2. The input shaft bearing block of a transmission gear shift test stand according to claim 1, characterized in that the bearing (10) is a double row angular contact ball bearing.

3. The input shaft bearing support of the transmission gear shift test stand according to claim 1, characterized in that a spigot positioning and fixing bolt is provided between the spline housing (12) and the bearing inner race shaft sleeve (11), and the fixing bolt fixedly connects the spline housing (12) and the bearing inner race shaft sleeve (11).

4. The input shaft bearing support of a transmission shift test stand according to claim 1, further comprising a bearing inner race axial fixation transition (6), the bearing inner race axial fixation transition (6) being connected with a bearing inner race sleeve (11).

5. The input shaft bearing block of the transmission gear-shifting test bench according to claim 1, wherein a connecting hole is formed in the oil stirring motor adapter (4), and the connecting hole is used for connecting the oil stirring motor and the bearing block.

6. The input shaft bearing block of the transmission gear shift test stand according to claim 5, characterized in that a spring plunger (3) is provided inside the connection hole, the spring plunger (3) cooperating with the connection hole.

7. The input shaft bearing housing of a transmission gear shift test stand according to claim 1, characterized in that a bearing housing outer ring axial fixation ring (7) is provided on the bearing housing outer ring (8), the bearing housing outer ring axial fixation ring (7) being used for axial positioning of a bearing (10).