A high torque wheel reducer running-in device

Abstract

The utility model discloses a high-torque wheel reducer running-in device, including a platform, a motor, a torque transmission mechanism and a driving tool; the platform is used to carry components; the motor is installed on the platform through a base, and is used for inputting the wheel reducer running-in driving torque; the torque transmission mechanism is at the same height as the output shaft of the motor and is coaxially arranged, and is used for motor torque transmission; the driving tool is connected to the torque transmission mechanism on one hand, and is connected to the wheel reducer half shaft on the other hand and drives it to rotate. The utility model can ensure the smooth transmission of motor torque and drive the high-torque wheel reducer to rotate; weaken the influence of overload caused by vibration and fault on the motor during the running-in of the high-torque wheel reducer, and improve the reliability of the running-in device; the fixed tool can install wheel reducers of different specifications and sizes, and improve the versatility of the running-in device.

Description

Technical Field

[0001] The utility model relates to a large torque wheel reducer running-in device, belonging to the field of wheel reducer auxiliary equipment. Background Art

[0002] After the wheel reducer of the heavy mining vehicle is assembled, due to its complex structure and difficulty in assembly, a running-in device is required to conduct a running-in test to observe whether there is abnormal noise and oil leakage; and in order to ensure the sealing performance of the floating oil seal, the wheel reducer needs to be run-in for a period of time without load after assembly to allow the upper and lower sealing rings of the floating oil seal to form a sealing belt. There are many types of wheel reducers with different sizes and driving torques, so a high-torque wheel reducer running-in device is needed. Summary of the invention

[0003] The utility model provides a large-torque wheel-side reducer running-in device, which adopts a high-power variable-frequency motor as the torque input and ensures that the motor and the torque transmission mechanism are coaxial and of the same height. The motor torque is finally transmitted to the large-torque wheel-side reducer through a driving tool. The fixed tool can adjust the center height of wheel-side reducers of different specifications and models to realize the running-in test of all large-torque wheel-side reducers, thereby reducing the investment cost of the running-in device.

[0004] The utility model is implemented according to the following technical solutions:

[0005] A high torque wheel reducer running-in device, comprising:

[0006] A platform for carrying components;

[0007] The motor is mounted on the platform through a base and is used for inputting the running-in driving torque of the wheel-side reducer;

[0008] A torque transmission mechanism, arranged at the same height and coaxially with the output shaft of the motor, for transmitting torque to the motor;

[0009] The driving tool is connected to the torque transmission mechanism on the one hand, and is connected to the wheel-side reducer half shaft on the other hand to drive it to rotate.

[0010] In some embodiments, the torque transmitting mechanism includes:

[0011] A motor coupling, which is sleeved on the output shaft of the motor and can rotate together with the output shaft;

[0012] A transmission shaft, one end of which is connected to the driving fixture, and is used to fine-tune the angle and distance between the front end of the wheel reducer and the driving fixture;

[0013] The bearing seat assembly is fixed on the base through a bracket. One end of the bearing seat assembly is connected to the motor coupling, and the other end is connected to the transmission shaft. The motor output torque is transmitted to the motor coupling, the bearing seat assembly, the transmission shaft, and the driving tooling in sequence.

[0014] In some embodiments, the bearing housing assembly comprises:

[0015] A left coupling plate connected to the motor coupling;

[0016] A right coupling plate, coupled to the transmission shaft;

[0017] A bearing seat and a rotating shaft, wherein the rotating shaft is rotatably supported in the bearing seat, and both ends of the rotating shaft extend from the bearing seat and are fixed together with a left connecting disk and a right connecting disk, so as to transmit the torque input from the left connecting disk to the right connecting disk and then output the torque.

[0018] In some embodiments, the rotating shaft is connected to the bearing seat through a pair of bearings, so that the rotating shaft can rotate in the bearing seat; an end cover is respectively installed on the two axial surfaces of the bearing seat to press the bearing in the bearing seat.

[0019] In some embodiments, a grease nipple is installed above the bearing seat, and an oil groove is provided inside the end cover, and the bearing is lubricated by adding grease to the grease nipple.

[0020] In some embodiments, a groove is provided between the circumferential surfaces facing the left connecting disk and the rotating shaft, and a key is placed in the groove to connect the two together; a groove is provided between the circumferential surfaces facing the right connecting disk and the rotating shaft, and a key is placed in the groove to connect the two together; a groove is provided between the circumferential surfaces facing the motor coupling and the output shaft of the motor, and a key is placed in the groove to connect the two together; the motor coupling and the left connecting disk are connected by locating pins and bolts.

[0021] In some embodiments, the driving tool comprises:

[0022] a coupling plate connected to a transmission shaft in the torque transmission mechanism;

[0023] Axis of rotation;

[0024] The support seat includes a cylindrical structure and a pair of support plates; the rotating shaft is rotatably supported in the cylindrical structure, and both ends of the rotating shaft extend from the cylindrical structure and are connected to the connecting plate and the wheel-side reducer half shaft; a pair of support plates are symmetrically arranged on the outer circumference of the cylindrical structure for connecting to the wheel-side reducer.

[0025] In some embodiments, the rotating shaft is connected to the support seat through a pair of bearings, so that the rotating shaft can rotate in the support seat; the two axial surfaces of the bearing seat are each equipped with an end cover for pressing the bearing in the bearing seat; there is also a circle of grooves on the outer axial surface of the end cover facing the wheel-side reducer, and an O-ring is placed in the groove. When the driving tooling and the wheel-side reducer are assembled, the O-ring will be compressed to seal the internal gear oil of the wheel-side reducer.

[0026] In some embodiments, a grease nipple is installed above the cylindrical structure, and an oil groove is provided inside the end cover, and the bearing is lubricated by adding grease to the grease nipple.

[0027] In some embodiments, it also includes a fixing tool, which is installed on the platform and is used to fix the wheel-side reducer; the fixing tool consists of a base plate and a mounting plate perpendicular to the base plate, and multiple mounting holes of different sizes are processed on the top arc edge of the mounting plate to adjust the center height of wheel-side reducers of different specifications to be consistent.

[0028] Compared with the prior art, the utility model has the following beneficial effects:

[0029] The utility model can ensure the smooth transmission of motor torque and drive the large torque wheel reducer to rotate; weaken the influence of overload caused by vibration and fault of the large torque wheel reducer on the motor during the running-in process, and improve the reliability of the running-in device; the fixed tooling can install wheel reducers of different specifications and sizes, thereby improving the versatility of the running-in device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0031] In the attached picture:

[0032] Figure 1 It is a schematic diagram of the overall structure of the high-torque wheel-side reducer running-in device of the utility model;

[0033] Figure 2 This is a schematic diagram of the platform structure of the utility model;

[0034] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0035] Figure 4 This is a schematic diagram of the structure of the motor coupling of the utility model;

[0036] Figure 5 This is a schematic diagram of the support structure of the utility model;

[0037] Figure 6 This is a cross-sectional structural diagram of the bearing seat assembly of the utility model;

[0038] Figure 7 This is a schematic diagram of the bearing seat assembly structure of the utility model;

[0039] Figure 8 This is a schematic diagram of the fixed tooling structure of the utility model;

[0040] Fig. 9 This is a schematic cross-sectional view of the drive tooling structure of the utility model;

[0041] Fig.10 This is a schematic diagram of the drive tooling structure of the utility model.

[0042] In the figure: 1, platform; 1-1, bottom plate; 1-2, hanging plate; 1-3, panel; 1-4, support assembly; 2, base; 2-1, bottom plate; 2-2, reinforcing ribs; 2-3, cross beam; 2-4, vertical beam; 2-5, panel; 2-6, mounting plate; 3, motor; 4, motor coupling; 4-1, coupling plate; 4-2, positioning pin; 5, bracket; 5-1, bottom plate; 5-2, rib plate; 5-3, panel; 5-4, mounting plate; 6. Bearing seat assembly; 6-1. Rotating shaft; 6-2. Key; 6-3. Left connecting plate; 6-4. End cover; 6-5. Bearing; 6-6. Grease fitting; 6-7. Bearing seat; 6-8. Right connecting plate; 7. Transmission shaft; 8. Fixing tool; 8-1. Mounting plate; 8-2. Rib plate I; 8-3. Rib plate II; 8-4. Rib plate III; 8-5. Bottom plate; 9. Driving tool; 9-1. Connecting plate; 9-2. Rotating shaft; 9-3. Left end cover; 9-4. Bearing; 9-5. Sleeve; 9-6. Support seat; 9-7. Grease fitting; 9-8. O-ring; 9-9. Right end cover; 9-10. Skeleton oil seal.

[0043] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0045] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] like Figure 1 As shown, a large torque wheel reducer running-in device includes a platform 1, a motor 3, a torque transmission mechanism and a driving tool 9; the platform 1 is used to carry components; the motor 3 is installed on the platform 1 through the base 2, and is used for the input of the wheel reducer running-in driving torque; the torque transmission mechanism is at the same height as the output shaft of the motor 3 and is coaxially arranged, and is used for torque transmission of the motor 3; the driving tool 9 is connected to the torque transmission mechanism on the one hand, and is connected to the wheel reducer half shaft on the other hand and drives it to rotate.

[0048] It should be noted that motor 3 is a high-power variable-frequency motor that is compatible with the driving torque requirements of all types of high-torque wheel-side reducers.

[0049] Continue to refer to Figure 1 As shown, the torque transmission mechanism includes a motor coupling 4, a transmission shaft 7 and a bearing seat assembly 6; the motor coupling 4 is mounted on the output shaft of the motor 3, and the two are connected by a single key and rotate together with the output shaft; one end of the transmission shaft 7 is bolted to the driving fixture 9, which is used to fine-tune the angle and distance between the front end of the wheel-side reducer and the driving fixture; the bearing seat assembly 6 is fixed to the base 2 through a bracket 5, one end of the bearing seat assembly 6 is bolted to the motor coupling 4, and the other end is bolted to the transmission shaft 7, the motor 3 outputs torque, which is transmitted to the motor coupling 4, the bearing seat assembly 6, the transmission shaft 7, and the driving fixture 9 in turn, and the rotating shaft 9-2 of the driving fixture 9 is connected to the wheel-side reducer half shaft and drives it to rotate.

[0050] It should be noted that in order to reduce the torque transmission loss, the center height, size and other parameters of the front-end connecting parts of the wheel-side reducer are set so that the motor 3 and the bearing seat assembly 6 are coaxial with the center of the wheel-side reducer; the bearing seat assembly 6 and the driving tooling 9 are connected by a transmission shaft 7. The transmission shaft 7 is a standard part, consisting of a shaft tube, a telescopic sleeve and a universal joint. The length and angle can be adjusted to compensate for the processing errors of the structural parts and ensure the smooth rotation of the wheel-side reducer.

[0051] like Figure 2 As shown, the platform 1 is a welded component, which is welded together by a base plate 1-1, a panel 1-3, a support assembly 1-4 and a hanging plate 1-2; the mounting holes on the panel 1-3 are processed after welding and are used for mounting and fixing the base 2 and the fixing tool 8.

[0052] like Figure 3 As shown, the base 2 is a welded part, which is welded by a bottom plate 2-1, a cross beam 2-3, a vertical beam 2-4, a panel 2-5, a mounting plate 2-6 and a rib plate 2-2; the mounting holes on the bottom plate 2-1 are processed after welding and are used to fix the base 2 to the platform 1; the mounting holes on the mounting plate 2-6 are processed after welding and are used to install the motor 3 and the bracket 5.

[0053] like Figure 4 As shown, the left end of the motor coupling 4 is connected to the motor 3 by a single key through the connecting plate 4-1, and the right end is connected to the bearing seat assembly 6 through the positioning pin 4-2 and bolts, which is used for torque transmission of the motor 3.

[0054] like Figure 5 As shown, the bracket 5 is a welded part, which is welded together by a base plate 5-1, a rib plate 5-2, a panel 5-3 and a mounting plate 5-4. The mounting holes on the base plate 5-1 are processed after welding and are used to fix the bracket 5 to the base 2; the mounting holes on the mounting plate 5-4 are processed after welding and are used to install the bearing seat assembly 6 to the bracket 5.

[0055] like Figure 6 , Figure 7 As shown, the bearing seat assembly 6 is an assembly part, which is installed on the bracket 5 through the mounting hole on the bearing seat 6-7. The left end is connected to the motor coupling 4 through the left connecting plate 6-3, the positioning pin 4-2, and the bolt, and the right end is connected to the transmission shaft 7 through the right connecting plate 6-8 and the bolt, which is used for torque transmission of the motor 3.

[0056] like Figure 8As shown, the fixed fixture 8 is a welded part, which consists of a mounting plate 8-1, a rib plate I 8-2, a rib plate II 8-3, a rib plate III 8-4, and a bottom plate 8-5; the mounting holes on the bottom plate 8-5 are processed after welding, and are used to install the fixed fixture 8 on the platform 1; the mounting holes on the mounting plate 8-1 are processed after welding, and are used to install the wheel reducer on the fixed fixture 8. Since the mounting holes of various sizes are processed on the mounting plate 8-1 to adjust the center height of wheel reducers of different specifications to be consistent, they can be compatible when performing the running-in test of wheel reducers of different models, so that the device can be applied to different working conditions in actual applications, which is more flexible and simple and convenient to operate.

[0057] like Fig. 9 , Fig.10 As shown, the drive fixture 9 is an assembly part; the support seat 9-6 is a welded part, and the mounting holes on the support seat 9-6 are processed after welding; the drive fixture 9 is fixed to the wheel-side reducer through the mounting holes on the support seat 9-6, and the left end is bolted to the transmission shaft 7 through the connecting plate 9-1, and the right end is connected to the wheel-side reducer half shaft through the rotating shaft 9-2. It is the last stage of torque transmission of the motor 3 and is used for driving the wheel reducer.

[0058] The above-mentioned bearing seat assembly and driving tooling are further explained below.

[0059] like Figure 6 , Figure 7 As shown, the bearing seat assembly 6 includes a left connecting plate 6-3, a right connecting plate 6-8, a bearing seat 6-7, and a rotating shaft 6-1; the left end of the bearing seat assembly 6 is connected to the left connecting plate 6-3 by the rotating shaft 6-1 with a key 6-2, and the right end of the bearing seat assembly 6 is connected to the right connecting plate 6-8 by the rotating shaft 6-1 with a key 6-2. The middle part of the rotating shaft 6-1 is supported by a pair of bearings 6-5, and the outer side is pressed by an end cover 6-4, so that the torque input from the left connecting plate 6-3 is transmitted to the right connecting plate 6-8 and then outputs the torque.

[0060] Further solutions: continue to refer to Figure 6 , Figure 7 As shown, the end cover 6-4 has an oil groove inside to retain grease, the bearing 6-5 is lubricated with grease, and a grease nipple 6-6 is installed above the bearing seat 6-7, and grease can be added as needed to ensure that the rotating shaft 6-1 rotates smoothly without jamming.

[0061] It should be noted that a groove is provided between the circumferential surfaces facing the left connecting disk 6-3 and the rotating shaft 6-1, and a key 6-2 is placed in the groove to connect the two together; a groove is provided between the circumferential surfaces facing the right connecting disk 6-8 and the rotating shaft 6-1, and a key 6-2 is placed in the groove to connect the two together; a groove is provided between the circumferential surfaces facing the motor coupling 4 and the output shaft of the motor 3, and a key is placed in the groove to connect the two together; the connecting disk 4-1 of the motor coupling 4 is connected to the left connecting disk 6-3 by a positioning pin 4-2 and a bolt.

[0062] like Fig. 9 , Fig.10 As shown, the driving tool 9 includes a connecting disk 9-1, a rotating shaft 9-2, and a supporting seat 9-6; the supporting seat 9-6 is composed of a cylindrical structure and a pair of supporting plates symmetrically welded on the outer circumference of the cylindrical structure; the driving tool is fixed to the wheel-side reducer through four mounting holes on the supporting plate; the left end of the rotating shaft 9-2 is connected to the connecting disk 9-1 by a key, and the right end of the rotating shaft 9-2 is connected to the half shaft of the wheel-side reducer. The middle part of the rotating shaft 9-2 is supported by a pair of bearings 9-4, and a sleeve 9-5 is provided between the two bearings 9-4. The outer sides are respectively pressed by the left end cover 9-3 and the right end cover 9-9. There is also a circle of grooves on the outer axial surface of the right end cover 9-9, and an O-ring 9-8 is placed in the groove. When the driving tool is assembled with the wheel-side reducer, the O-ring 9-8 will be compressed to seal the internal gear oil of the wheel-side reducer.

[0063] Further solution: the left end cover 9-3 and the right end cover 9-9 have oil grooves inside to store grease, the bearing 9-4 is lubricated with grease, and a grease nipple 9-7 is installed above the support seat 9-6, and grease can be added as needed to ensure that the rotating shaft 9-2 rotates smoothly without jamming. A skeleton oil seal 9-10 is also installed between the right end cover 9-9 and the rotating shaft 9-2.

[0064] In summary, the utility model provides a large torque wheel reducer running-in device, the platform is used to install and fix various components; the base is used to fix the motor and the bracket; the motor is used to input the torque wheel reducer running-in driving torque; the motor coupling is used to transmit the motor torque; the bracket is used to fix the bearing seat assembly; the bearing seat assembly is used to transmit the motor torque; the transmission shaft is used to fine-tune the angle and distance between the front end of the wheel reducer and the driving tooling; the driving tooling is fixed to the wheel reducer with a support seat, and the rotating shaft connects the transmission shaft and the wheel reducer half shaft for wheel reducer driving, and different wheel reducers match different driving tooling; the fixing tooling is used to fix the wheel reducer, and various sizes of mounting holes are processed on the mounting plate to adjust the center height of wheel reducers of different specifications to be consistent, so that different types of wheel reducers can be compatible when performing running-in tests, so that the device can be applied to different working conditions in actual applications more flexibly, simple and convenient to operate.

[0065] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0066] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0067] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A high torque wheel reducer running-in device, characterized in that: include: A platform for carrying components; The motor is mounted on the platform through a base and is used for inputting the running-in driving torque of the wheel-side reducer; A torque transmission mechanism, arranged at the same height and coaxially with the output shaft of the motor, for transmitting torque to the motor; The driving tool is connected to the torque transmission mechanism on the one hand, and is connected to the wheel-side reducer half shaft on the other hand to drive it to rotate.

2. A high torque wheel reducer running-in device according to claim 1, characterized in that: The torque transmission mechanism comprises: A motor coupling, which is sleeved on the output shaft of the motor and can rotate together with the output shaft; A transmission shaft, one end of which is connected to the driving fixture, and is used to fine-tune the angle and distance between the front end of the wheel reducer and the driving fixture; The bearing seat assembly is fixed on the base through a bracket. One end of the bearing seat assembly is connected to the motor coupling, and the other end is connected to the transmission shaft. The motor output torque is transmitted to the motor coupling, the bearing seat assembly, the transmission shaft, and the driving tooling in sequence.

3. A high torque wheel reducer running-in device according to claim 2, characterized in that: The bearing seat assembly comprises: A left coupling plate connected to the motor coupling; A right coupling plate, coupled to the transmission shaft; A bearing seat and a rotating shaft, wherein the rotating shaft is rotatably supported in the bearing seat, and both ends of the rotating shaft extend from the bearing seat and are fixed together with a left connecting disk and a right connecting disk, so as to transmit the torque input from the left connecting disk to the right connecting disk and then output the torque.

4. A high torque wheel reducer running-in device according to claim 3, characterized in that: The rotating shaft is connected to the bearing seat through a pair of bearings, so that the rotating shaft can rotate in the bearing seat; The two axial surfaces of the bearing seat are respectively equipped with an end cover for pressing the bearing in the bearing seat.

5. A high torque wheel reducer running-in device according to claim 4, characterized in that: A grease nipple is installed above the bearing seat, and an oil groove is arranged inside the end cover, and the bearing is lubricated by filling grease into the grease nipple.

6. A high torque wheel reducer running-in device according to claim 3, characterized in that: A groove is provided between the circumferential surface of the left connecting plate and the rotating shaft facing each other, and a key is placed in the groove to connect the two together; A groove is provided between the circumferential surface of the right coupling disc and the rotating shaft facing each other, and a key is placed in the groove to connect the two together; A groove is provided between the circumferential surfaces of the motor coupling and the output shaft of the motor facing each other, and a key is placed in the groove to connect the two together; The motor coupling is connected to the left connecting plate through positioning pins and bolts.

7. A high torque wheel reducer running-in device according to claim 1, characterized in that: The driving tooling comprises: A coupling plate connected to a transmission shaft in the torque transmission mechanism; Axis of rotation; Support base, including: A cylindrical structure, in which the rotating shaft is rotatably supported, and both ends of the rotating shaft extend from the cylindrical structure and are connected to the coupling plate and the wheel-side reducer half shaft; A pair of support plates are symmetrically arranged on the outer peripheral surface of the cylindrical structure and are used to connect with the wheel-side reducer.

8. A high torque wheel reducer running-in device according to claim 7, characterized in that: The rotating shaft is connected to the supporting seat via a pair of bearings, so that the rotating shaft can rotate in the supporting seat; The two axial surfaces of the cylindrical structure of the support seat are each equipped with an end cover for pressing the bearing into the bearing seat; There is also a circle of grooves on the outer axial surface of the end cover facing the wheel-side reducer, in which an O-ring is placed. When the driving tooling and the wheel-side reducer are assembled, the O-ring will be compressed to seal the gear oil inside the wheel-side reducer.

9. A high torque wheel reducer running-in device according to claim 8, characterized in that: A grease nipple is installed above the cylindrical structure, and an oil groove is arranged inside the end cover, and the bearing is lubricated by filling grease into the grease nipple.

10. The high torque wheel reducer running-in device according to claim 1, characterized in that: It also includes a fixing tool, which is installed on the platform and is used to fix the wheel-side reducer; The fixing fixture is composed of a base plate and a mounting plate perpendicular to the base plate. A plurality of mounting holes of different sizes are processed on the top arc edge of the mounting plate to adjust the center heights of wheel reducers of different specifications to be consistent.

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