CN217002754U

CN217002754U - Power takeoff output interface conversion device

Info

Publication number: CN217002754U
Application number: CN202220340689.2U
Authority: CN
Inventors: 陈勇; 张玉同; 冯弈茗
Original assignee: Shaanxi Fast Auto Drive Group Co Ltd
Current assignee: Shaanxi Fast Auto Drive Group Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-19
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a power takeoff output interface conversion device, which belongs to the field of power takeoff structures of gearboxes, and is characterized in that a spline shaft is installed on a power takeoff output shaft joint, a left rectangular spline and a right rectangular spline are respectively installed at two ends of the spline shaft, the left rectangular spline is installed between the power takeoff output shaft joint and the spline shaft, the spline shaft can be driven to rotate through the left rectangular spline, the right rectangular spline is installed, a flange plate is installed on the right rectangular spline, a bearing cover shell is installed on the outer side wall of the flange plate and can drive the bearing cover shell to rotate, and the problems of high modification cost and complex replacement in the process of modifying an output interface of a pump-insertion type power takeoff into the output interface of the flange plate are solved. The device can practice thrift the transformation cost, plug-and-play, and convenient and fast has solved and has inserted the in-process that pump formula power takeoff output interface repacking becomes ring flange output interface and appear transforming problem with high costs.

Description

Power takeoff output interface conversion device

Technical Field

The utility model belongs to the field of power take-off structures of gearboxes, and relates to a power take-off output interface conversion device.

Background

The output interface part of the power takeoff is a plug-in pump type (DIN5462), and after a vehicle is delivered to a customer, part of the customer needs to change a plug-in pump type (DIN5462) interface into a flange plate (SAE1400) interface due to modification requirements. The retrofitting process is costly and risky, since not only a large number of parts need to be replaced, but the play adjustment of the conical bearing is difficult to achieve on site.

At present, the output interfaces of a power takeoff are mainly of two types, one is flange output, and the other is pump output. During the use process of the vehicle, the two interfaces can be modified by replacing parts. However, in the process, the customer feedback modification cost is high, and the modification effect is not good, mainly because a large number of new parts need to be replaced and the play field adjustment of the cone bearing is difficult to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, provides a power takeoff output interface conversion device, and aims to solve the technical problems of high cost and complex replacement process caused by the fact that a large number of new parts need to be replaced in power takeoff output interface conversion in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:

the utility model provides a power takeoff output interface conversion device which comprises a spline shaft arranged at a power takeoff output shaft joint and a bearing cover shell fixed on the end face of a bearing cover, wherein a left rectangular spline is sleeved at one end of the outer side wall of the spline shaft, and the outer side wall of the left rectangular spline is fixed with the inner side wall of the power takeoff output shaft joint; the other end of the outer side wall of the spline shaft is sleeved with a right rectangular spline, a flange plate is arranged on the outer side wall of the right rectangular spline, and a deep groove ball bearing is arranged between the end surface of the power takeoff output shaft joint and the end surface of the flange plate; the bearing cover shell is sleeved on the deep groove ball bearing and the flange plate; the inner ring of the deep groove ball bearing is in interference fit with the spline shaft, and the outer ring of the deep groove ball bearing is in transition fit with the bearing cover shell.

Preferably, a first groove is formed in the end face, away from the power takeoff output shaft joint, of the bearing cover shell, and an oil seal used for sealing a gap between the bearing cover shell and the flange plate is installed in the first groove.

Preferably, the end face of the spline shaft, which is far away from the power takeoff output shaft joint, is provided with a positioning hole and a cover plate for fixing the flange plate, and the cover plate is provided with a cylindrical pin which is matched and connected with the positioning hole.

Preferably, a first through hole is formed in the center of the cover plate, a bolt hole is formed in the center of the end face, away from the power takeoff output shaft joint, of the spline shaft, and a first bolt used for fixing the cover plate and the spline shaft is installed in the first through hole.

Preferably, the outer side wall of the bearing cover shell is provided with a plug hole, and a vent plug perpendicular to the spline shaft is arranged in the plug hole.

Preferably, a grease nipple is arranged beside the vent plug.

Preferably, the breather plug and the grease nipple are both mounted on the bearing cap housing by tapered threads.

Preferably, a gasket is mounted between the bearing cap housing and the bearing cap.

Preferably, a second through hole is formed in the bearing cover shell at the symmetrical position of the vent plug, a third through hole corresponding to the second through hole is formed in the bearing cover, a second bolt is installed on the second through hole and sequentially penetrates through the gasket and the bearing cover, and a spring spacer and a nut which are used for fixing the bearing cover and the bearing cover shell are installed at the tail of the second bolt.

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

according to the power takeoff output interface conversion device provided by the utility model, the spline shaft is installed on the power takeoff output shaft joint, the left rectangular spline and the right rectangular spline are respectively installed at two ends of the spline shaft, the left rectangular spline is installed between the power takeoff output shaft joint and the spline shaft, the spline shaft can be driven to rotate through the left rectangular spline, the right rectangular spline is installed, the flange plate is installed on the right spline, the bearing cover shell is installed on the outer side wall of the flange plate and can drive the bearing cover shell to rotate, and the problems of high modification cost and complex replacement in the process of modifying the output interface of the pump-insertion type power takeoff into the output interface of the flange plate are solved. And the utility model can change the pump-inserting type interface into the flange plate interface only by using the above components, the installation process is simple, the used components are few, the refitting cost is saved, and the utility model can be used in a plug-and-play manner, and is convenient and fast.

Furthermore, the vent plug is arranged on the bearing cover shell, so that air pressure generated in the working process of the bearing cover shell and the flange plate can be exhausted through the vent plug, and the inner parts of the bearing cover shell and the flange plate are kept dry in the working process.

Furthermore, the grease nozzle is arranged on the bearing cover shell, so that a lubricating effect can be achieved for the deep groove ball bearing.

Furthermore, the oil seal is arranged between the outer side wall of the flange and the inner side wall of the bearing cover shell, and the lip of the oil seal is matched with the flange to play a sealing role.

Furthermore, a cover plate is arranged on the end face of the spline shaft, a positioning hole is formed in the end face of the spline shaft, and a cylindrical pin matched and connected with the positioning hole is arranged on the cover plate, so that the cover plate and the spline shaft can be ensured to rotate at a relative position.

Furthermore, a first through hole is formed in the center of the cover plate, a bolt hole is formed in the center of the end face, away from the power takeoff output shaft joint, of the spline shaft, and a first bolt is installed in the first through hole, so that the cover plate and the spline shaft can be fixed more firmly.

Furthermore, a gasket is arranged between the bearing cap shell and the bearing cap, so that good sealing performance between the bearing cap shell and the bearing cap can be ensured, and the bearing cap shell is not easy to loosen.

Furthermore, a second through hole is formed in the symmetrical position of the vent plug on the bearing cap shell, a third through hole corresponding to the second through hole is formed in the bearing cap, the bearing cap shell, the liner and the bearing cap sequentially penetrate through the second bolt, and a spring spacer and a nut are mounted at the tail of the second bolt and can be used for fixing the bearing cap and the bearing cap shell.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a structural diagram of an output interface conversion device of a power takeoff.

Wherein: 1-power takeoff output shaft joint; 2-a bearing cap; 3-spline shaft; 4-deep groove ball bearing; 5-a vent plug; 6-bearing cap housing; 7-lubricating the grease nozzle; 8-oil sealing; 9-cylindrical pin; 10-a cover plate; 11-a first bolt; 12-a flange plate; 13-a second bolt; 14-a liner; 15-a spring washer; 16-nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed and interpreted as including, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model is described in further detail below with reference to the accompanying drawings:

the structure diagram of the power takeoff output interface conversion device provided by the utility model is shown in fig. 1, and the power takeoff output interface conversion device comprises a power takeoff output shaft joint 1, a bearing cover 2, a spline shaft 3, a deep groove ball bearing 4, a vent plug 5, a bearing cover shell 6, a grease nipple 7, an oil seal 8, a cylindrical pin 9, a cover plate 10, a first bolt 11, a flange 12, a second bolt 13, a gasket 14, a spring washer 15 and a nut 16. The power takeoff output shaft joint 1 is a joint of a power takeoff with a rectangular spline, the power takeoff output shaft joint 1 can be directly connected with a hydraulic pump or an air pump for output, but a terminal customer needs to change the power takeoff output shaft joint into a flange plate for output due to refitting. The bearing cap 2 is used for connecting a hydraulic pump or an air pump. The output shaft joint 1 and the bearing cover 2 belong to parts assembled by a power takeoff, a spline shaft 3 is arranged at the output shaft joint 1 of the power takeoff, a bearing cover shell 6 is arranged at the end face of the bearing cover 2, one end of the outer side wall of the spline shaft 3 is sleeved with an 8-tooth left rectangular spline, the outer side wall of the 8-tooth left rectangular spline is fixedly connected with the inner side wall of the output shaft joint 1 of the power takeoff, the other end of the outer side wall of the spline shaft 3 is sleeved with an 8-tooth right rectangular spline, a flange plate 12 is arranged at the outer side wall of the 8-tooth right rectangular spline, and the 8-tooth right rectangular spline is connected with the flange plate 12; the deep groove ball bearing 4 is arranged between the end face of the power takeoff output shaft joint 1 and the end face of the flange plate 12, the inner ring of the deep groove ball bearing 4 is in interference fit with the spline shaft 3, and the outer ring of the deep groove ball bearing 4 is in transition fit with the bearing cover shell 6. The bearing cover shell 6 is sleeved on the deep groove ball bearing 4 and the flange plate 12.

The consent has been seted up to the lateral wall of bearing cap casing 6, installs perpendicular integral key shaft 3's breather plug 5 in the consent, and the lubricated mouth 7 of fat is installed to the side of breather plug 5, and breather plug 5 and lubricated mouth 7 all adorn on bearing cap casing 6 through awl screw thread, because be awl threaded connection, their fixed angle can be adjusted as required.

Be equipped with first recess in bearing cap casing 6 terminal surface department of keeping away from power takeoff output shaft joint 1, install the oil blanket 8 that is used for sealed bearing cap casing 6 and ring flange 12 clearance in first recess, it is concrete, the pressure equipment of 8 outer lanes of oil blanket is in bearing cap casing 6, the lip of oil blanket 8 and the cooperation of ring flange 12 excircle play sealed effect.

The end face of the spline shaft 3, which is far away from the power takeoff output shaft joint 1, is provided with a positioning hole, the end face of the spline shaft 3, which is far away from the power takeoff output shaft joint 1, is provided with a cover plate 10 for fixing a flange plate 12, the cover plate 10 is provided with a cylindrical pin which is matched and connected with the positioning hole, and the cover plate 10 is positioned through the cylindrical pin 9. First through-hole has been seted up at the center of apron 10, and the splined shaft 3 has been kept away from the terminal surface center of power takeoff output shaft joint 1 and has been seted up the bolt hole, and first through-hole department installs the first bolt 11 that is used for fixed apron 10 and splined shaft 3 to make first bolt 11 fastening on splined shaft 3, wherein, cylindric lock 9 can guarantee to have no relative position between apron 10 and the splined shaft 3 and rotate, thereby guarantees that first bolt 11 does not have not hard up risk in the use.

The gasket 14 is used for sealing between the conversion device and the bearing cap 2, and specifically, can ensure that the sealing between the bearing cap shell 6 and the bearing cap 2 is good and not easy to loose.

The bearing cap shell 6 is provided with a second through hole at the symmetrical position of the vent plug 5, the bearing cap 2 is provided with a third through hole corresponding to the second through hole, the second through hole is provided with a second bolt 13, the second bolt 13 sequentially penetrates through the gasket 14 and the bearing cap 2, the tail part of the second bolt 13 is provided with a spring spacer 15 and a nut 16, the bearing cap shell 6 is fixed on the bearing cap 2 through the second bolt 13, a spring washer 15 and the nut 16, and the bearing cap shell 2 and the bearing cap shell 6 can be fixed through jacket connection.

The power takeoff output interface conversion device provided by the utility model is plug-and-play, fast and convenient; the cost of transformation (part adds the manual work) can practice thrift 65 yuan/platform, need not to adjust the play of tapered bearing, avoids the tapered bearing ablation risk, has solved the high cost of transformation that appears of inserting the in-process of pump power takeoff output interface repacking and becoming the ring flange output interface, the difficult problem of adjustment of tapered bearing play.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The power takeoff output interface conversion device is characterized by comprising a spline shaft (3) arranged at a power takeoff output shaft joint (1) and a bearing cover shell (6) fixed on the end face of a bearing cover (2), wherein a left rectangular spline is sleeved at one end of the outer side wall of the spline shaft (3), and the outer side wall of the left rectangular spline is fixed with the inner side wall of the power takeoff output shaft joint (1); the other end of the outer side wall of the spline shaft (3) is sleeved with a right rectangular spline, a flange plate (12) is installed on the outer side wall of the right rectangular spline, and a deep groove ball bearing (4) is installed between the end face of the power takeoff output shaft joint (1) and the end face of the flange plate (12); the bearing cover shell (6) is sleeved on the deep groove ball bearing (4) and the flange plate (12); the inner ring of the deep groove ball bearing (4) is in interference fit with the spline shaft (3), and the outer ring of the deep groove ball bearing (4) is in transition fit with the bearing cover shell (6).

2. The power takeoff output interface conversion device as claimed in claim 1, wherein a first groove is formed in an end face of the bearing cover housing (6) far away from the power takeoff output shaft joint (1), and an oil seal (8) for sealing a gap between the bearing cover housing (6) and the flange plate (12) is installed in the first groove.

3. The power takeoff output interface conversion device as claimed in claim 1, wherein a positioning hole is formed in the end face of the spline shaft (3) far away from the power takeoff output shaft joint (1), a cover plate (10) for fixing a flange plate (12) is installed on the end face, and a cylindrical pin (9) in fit connection with the positioning hole is installed on the cover plate (10).

4. The power takeoff output interface conversion device according to claim 3, wherein a first through hole is formed in the center of the cover plate (10), a bolt hole is formed in the center of an end face of the spline shaft (3) away from the power takeoff output shaft joint (1), and a first bolt (11) for fixing the cover plate (10) and the spline shaft (3) is installed in the first through hole.

5. The power takeoff output interface conversion device as claimed in claim 1, wherein a plug hole is formed in the outer side wall of the bearing cover shell (6), and a vent plug (5) perpendicular to the spline shaft (3) is installed in the plug hole.

6. The power takeoff output interface conversion device as claimed in claim 5, wherein a grease nipple (7) is mounted beside the vent plug (5).

7. The power takeoff output interface conversion device according to claim 6, wherein the breather plug (5) and the grease nipple (7) are both mounted on the bearing cap housing (6) by means of a tapered thread.

8. The power take-off output interface conversion device as claimed in claim 6, wherein a gasket (14) is mounted between the bearing cap housing (6) and the bearing cap (2).

9. The power takeoff output interface conversion device as claimed in claim 8, wherein a second through hole is formed in the bearing cover housing (6) at a symmetrical position of the vent plug (5), a third through hole corresponding to the second through hole is formed in the bearing cover (2), a second bolt (13) is installed on the second through hole, the second bolt (13) sequentially penetrates through the gasket (14) and the bearing cover (2), and a spring spacer (15) and a nut (16) for fixing the bearing cover (2) and the bearing cover housing (6) are installed at the tail part of the second bolt (13).