CN213383735U

CN213383735U - 15t digs quick-witted rear axle flange connection structure and 15t digs machine

Info

Publication number: CN213383735U
Application number: CN202022159615.2U
Authority: CN
Inventors: 贾金伟; 王保军; 周艳岭; 祝广林
Original assignee: Xingtai Zhongwei Zhuote Hydraulic Technology Co ltd
Current assignee: Xingtai Zhongwei Zhuote Hydraulic Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-08
Anticipated expiration: 2030-09-27

Abstract

The utility model provides a 15t excavator rear axle flange connecting structure and a 15t excavator, relating to the technical field of excavator equipment and comprising a main shell, a flange seat, a reinforcing rib and an input flange, wherein the side wall of the main shell is provided with a first oil duct; the flange seat is connected to the main shell through a connecting piece, a wheel shaft is connected in the flange seat, and a first bearing is arranged between the wheel shaft and the flange seat; a second oil duct is arranged in the reinforcing rib; the input flange is connected to the outer end of the axle. The utility model provides a pair of 15t digs quick-witted rear axle flange connection structure, connect through the connecting piece between flange seat and the main casing body, the effectual degree of difficulty that reduces the component preparation, set up the strengthening rib that is used for setting up the second oil duct on the flange seat, the intensity of flange seat has been guaranteed, and the second oil duct can cooperate first oil duct to realize the effective transport of lubricating oil, the sealed pad of setting between flange seat and the main casing body, the structural seal nature of device has effectively been improved, the lubricated effect between the internal component of main casing has been guaranteed.

Description

15t digs quick-witted rear axle flange connection structure and 15t digs machine

Technical Field

The utility model belongs to the technical field of dig quick-witted equipment, more specifically say, relate to a 15t digs quick-witted rear axle flange connection structure and is equipped with above-mentioned rear axle flange connection structure's 15t and digs machine.

Background

As a common construction machine, a wheel excavator is often used in construction and municipal construction work. The wheel type excavator has the advantages of flexible use and convenient walking, and has better economy and smaller early investment from the investment perspective.

The casing of the rear axle of current 15t excavator generally is whole shaping, so be difficult to carry out lubricated oil circuit's rational arrangement, and then cause the relatively poor problem of lubricated effect, the overall structure of device makes subsequent installation and maintenance degree of difficulty all very big in addition, is unfavorable for the improvement of efficiency of construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 15t digs quick-witted rear axle flange connection structure and 15t digs machine to solve the lubricated not enough of integral rear axle that exists among the prior art, ann tears the big technical problem of the maintenance degree of difficulty open.

In order to achieve the above object, the utility model adopts the following technical scheme: the flange connecting structure of the rear axle of the 15t excavator comprises a main shell, a flange seat, a reinforcing rib and an input flange, wherein the main shell is used for being connected with the rear axle, and a first oil duct is arranged on the side wall of the main shell; the flange seat is connected to the main shell through a connecting piece, a sealing gasket is arranged between the main shell and the flange seat, a wheel shaft is rotatably connected in the flange seat, and a first bearing is arranged between the wheel shaft and the flange seat; the reinforcing rib is arranged on the periphery of the flange seat along the axial direction of the flange seat, and a second oil duct which is communicated with the first oil duct and extends to the outer side of the first bearing is arranged in the reinforcing rib; the input flange is connected to the outer end of the wheel shaft and used for driving the wheel shaft to rotate.

As another embodiment of the application, the connecting piece is a hexagon bolt, and a friction layer used for being in contact fit with the hexagon bolt is arranged on the outer end face of the flange seat.

As another embodiment of the application, the periphery of the flange seat is also provided with a plurality of rib plates extending along the axial direction of the flange seat, and the rib plates are uniformly distributed on the periphery of the flange seat.

As another embodiment of the present application, the width of the reinforcing bars is greater than the width of the rib plates.

As another embodiment of this application, still be equipped with the oil blanket between the periphery of shaft and the inner wall of flange seat, be equipped with the step hole with oil blanket joint on the inner wall of flange seat.

As another embodiment of the application, a dustproof cover is further arranged on one side, away from the main shell, of the oil seal.

As another embodiment of this application, still be equipped with ejecting screw hole on the terminal surface of flange seat, ejecting screw hole is used for the installation ejecting bolt with the separation flange seat with the main casing body.

As another embodiment of this application, be equipped with the second bearing between shaft and the main casing body, still be equipped with the third oil duct with second oil duct intercommunication on the flange seat, the other end of third oil duct extends to between first bearing and the second bearing.

As another embodiment of the application, the number of the reinforcing ribs is two, the reinforcing ribs are symmetrically distributed on two sides of the flange seat, and the first oil duct, the second oil duct and the third oil duct are respectively provided with two reinforcing ribs.

The utility model provides a pair of 15t digs quick-witted rear axle flange connection structure's beneficial effect lies in: compared with the prior art, the utility model provides a pair of 15t digs quick-witted rear axle flange connection structure, connect through the connecting piece between flange seat and the main casing body, the effectual degree of difficulty that reduces the component preparation, set up the strengthening rib that is used for setting up the second oil duct on the flange seat, the intensity of flange seat has been guaranteed, and the second oil duct can cooperate first oil duct to realize the effective transport of lubricating oil, the sealed pad of setting between flange seat and the main casing body, the structural seal nature of device has effectively been improved, the lubrication effect between the internal component of main casing has been guaranteed.

The utility model also provides a 15t digs the machine, and this 15t digs the machine and is equipped with rear axle flange connection structure. The excavator with the rear axle flange connecting structure adopts a detachable connection mode of the main shell and the flange seat, effectively reduces the manufacturing difficulty of components, improves the installation and maintenance efficiency, realizes effective lubrication of internal components by utilizing the first oil duct and the second oil duct which are communicated inside, and is favorable for prolonging the service life of equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of a 15t excavator rear axle flange connection structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of I in FIG. 1;

FIG. 3 is a front view partially in section of FIG. 1;

FIG. 4 is a partial enlarged view of II in FIG. 3;

FIG. 5 is a schematic view of another angle of FIG. 1;

fig. 6 is an enlarged schematic structural view of the flange seat in fig. 5.

Wherein, in the figures, the respective reference numerals:

1. a main housing; 2. a flange seat; 21. a friction layer; 22. a rib plate; 23. ejecting out the threaded hole; 3. reinforcing ribs; 4. an input flange; 41. a locking member; 5. a wheel axle; 51. a first bearing; 52. a second bearing; 61. a connecting member; 62. a gasket; 63. oil sealing; 64. a stepped bore; 65. a dust cover; 71. a first oil passage; 72. a second oil passage; 73. a third oil passage.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 6, a rear axle flange connection structure of a 15t excavator and a 15t excavator provided by the present invention will now be described. A15 t digs quick-witted rear axle flange connection structure, including main casing 1, flange seat 2, strengthening rib 3 and input flange 4, main casing 1 is used for linking with the rear axle, the first oil duct 71 on the lateral wall of main casing 1; the flange seat 2 is connected to the main shell 1 through a connecting piece 61, a sealing gasket 62 is arranged between the main shell 1 and the flange seat 2, the flange seat 2 is rotatably connected with a wheel shaft 5, and a first bearing 51 is arranged between the wheel shaft 5 and the flange seat 2; the reinforcing rib 3 is arranged on the periphery of the flange seat 2 along the axial direction of the flange seat 2, and a second oil channel 72 which is communicated with the first oil channel 71 and extends to the outer side of the first bearing 51 is arranged in the reinforcing rib 3; the input flange 4 is connected to the outer end of the axle 5 for driving the axle 5 in rotation.

The utility model provides a pair of 15t digs quick-witted rear axle flange connection structure, compared with the prior art, the utility model provides a pair of 15t digs quick-witted rear axle flange connection structure, flange seat 2 and main casing body 1 pass through connecting piece 61 to be connected, the effectual preparation degree of difficulty that reduces the component, set up the strengthening rib 3 that is used for setting up second oil duct 72 on the flange seat 2, the intensity of flange seat 2 has been improved, second oil duct 72 can cooperate first oil duct 71 to realize the effective transport of lubricating oil, the sealed pad 62 of setting between flange seat 2 and main casing body 1, the leakproofness of structure has effectively been improved, the lubricated effect between the main casing body 1 internal component has been guaranteed.

In this embodiment, input flange 4 passes through locking piece 41 locking in the outer end of shaft 5, and through involute spline fit between input flange 4 and the shaft 5,

guarantee input flange

4 and 5 axial of shaft and the stability of circumferential position, realize the effective drive to shaft 5.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 5 to 6, the connecting member 61 is a hexagon bolt, and a friction layer 21 for contacting and matching with the hexagon bolt is disposed on the outer end surface of the flange seat 2.

In this embodiment, the flange base 2 and the main housing 1 are connected by the hexagon bolts, and the hexagon bolts are provided in plural numbers, which may be four, six, or eight, at the upper portion of the flange base 2 in the circumferential direction. The outer terminal surface of flange seat 2 has set up frictional layer 21 on, and when the hexagon bolt ran through flange seat 2 and was connected to main casing body 1 on, the hexagon bolt can have great frictional force with the frictional layer 21 between the terminal surface that flange seat 2 is adjacent, can guarantee reliable connection effect.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 5 and fig. 6, a plurality of rib plates 22 extending along the axial direction of the flange seat 2 are further provided at the periphery of the flange seat 2, and the rib plates 22 are uniformly arranged at the periphery of the flange seat 2. The rib plates 22 on the periphery of the flange seat 2 effectively improve the overall strength of the flange seat 2, the rib plates 22 are arranged in four, six or eight different quantity forms on the periphery of the flange seat 2, the rib plates 22 are uniformly distributed at certain intervals at certain angles on the periphery of the flange seat 2, the rib plates 22 extend along the axial direction of the flange seat 2, the rib plates 22 are larger in the radial direction of the main shell 1 at one side close to the main shell 1, and the rib plates are smaller in the radial direction of the main shell 1 at one side far away from the main shell 1.

Because the second oil duct 72 needs to be arranged in the flange base 2, and the strength of the flange base 2 can be reduced due to the arrangement of the second oil duct 72, the reinforcing rib 3 is arranged, and the second oil duct 72 is arranged in the reinforcing rib 3, so that the arrangement of the second oil duct 72 is realized, and the overall strength of the flange base 2 is ensured.

Further, the width of the reinforcing bars 3 should be greater than the width of the rib plates 22. The width of strengthening rib 3 indicates the size of radiating in the circumference of flange seat 2, and in order to facilitate carrying out laying of second oil duct 72, strengthening rib 3 adopts great width to avoid the not enough problem of flange seat 2 intensity, improved the ability that the device bore the load.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to 4, an oil seal 63 is further disposed between the periphery of the wheel axle 5 and the inner wall of the flange seat 2, and a step hole 64 connected with the oil seal 63 is disposed on the inner wall of the flange seat 2.

In this embodiment, the oil seal 63 is provided between the wheel axle 5 and the flange base 2, and can seal the internal lubrication environment. The setting of the stepped hole 64 on the flange seat 2 can be effectively limited to the axial position of the oil seal 63, so that the oil seal 63 is stably positioned at the same axial position of the wheel shaft 5, the oil leakage caused by the dislocation of the oil seal 63 along the axial position of the wheel shaft 5 is avoided, the effective lubrication between internal components is realized, the loss of equipment is reduced, and the service life of the equipment is prolonged.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to 4, a dust cover 65 is further disposed on one side of the oil seal 63 away from the main housing 1. Dust in the external environment can be avoided entering oil blanket 63 and the inboard region of oil blanket 63 by shield 65, avoids the harmful effects that cause the lubricated environment, has prolonged the life of equipment effectively, has guaranteed good lubricated environment.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 5 to 6, an ejecting threaded hole 23 is further disposed on the end surface of the flange seat 2, and the ejecting threaded hole 23 is used for installing an ejecting bolt to separate the flange seat 2 from the main housing 1. Utilize the hex bolts to carry out flange seat 2 and main casing body 1's connection, when needs are dismantled, are maintained or when the part spare part is changed, need be with flange seat 2 follow main casing body 1's outer end dismantlement. In order to reduce the difficulty of disassembly, the end face of the flange seat 2 is provided with the ejection threaded hole 23, the ejection bolt is placed in the ejection threaded hole 23, the ejection bolt is rotated, the inner end of the ejection bolt is abutted against the outer end face of the main shell 1, the flange seat 2 is supported outwards, and the effect of conveniently disassembling the flange seat 2 is achieved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, a second bearing 52 is disposed between the wheel axle 5 and the main housing 1, a third oil duct 73 communicated with the second oil duct 72 is further disposed on the flange base 2, and the other end of the third oil duct 73 extends to a position between the first bearing 51 and the second bearing 52.

On the basis that the first bearing 51 is arranged between the wheel shaft 5 and the flange seat 2, the second bearing 52 is arranged between the wheel shaft 5 and the main shell 1, in order to guarantee effective lubrication of the first bearing 51 and the second bearing 52, the effective communication between the internal environment of the main shell 1 and the area of the outer end of the first bearing 51 is realized by utilizing the first oil channel 71 and the second oil channel 72, and the lubrication of the outer side of the first bearing 51 is realized, the third oil channel 73 capable of extending to the area between the first bearing 51 and the second bearing 52 is further arranged, the effective lubrication of the adjacent side parts of the first bearing 51 and the second bearing 52 is realized by utilizing the third oil channel 73, the smoothness of the running of the wheel shaft 5 is realized, and the abrasion of components is reduced.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, fig. 5 and fig. 6, two reinforcing ribs 3 are provided, and are symmetrically distributed on both sides of the flange seat 2, and two first oil passages 71, two second oil passages 72 and two third oil passages 73 are provided respectively.

In this example, the first oil passage 71, the second oil passage 72 and the third oil passage 73 are respectively provided with two oil passages, and are uniformly distributed in the circumferential direction of the flange seat 2, and are symmetrically arranged, so that the first bearing 51 and the second bearing 52 are conveniently and effectively lubricated, member abrasion caused by insufficient local lubrication is avoided, and the service life of the equipment is conveniently prolonged.

The utility model also provides a 15t digs the machine, and this 15t digs the machine and is equipped with rear axle flange connection structure. The excavator with the rear axle flange connecting structure adopts the detachable connection mode of the main shell 1 and the flange seat 2, the difficulty of component manufacturing is effectively reduced, the installation and maintenance efficiency is improved, effective lubrication of internal components is realized by the aid of the first oil duct 71 and the second oil duct 72 which are communicated inside, and the service life of equipment is prolonged.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a 15t digs quick-witted rear axle flange connection structure which characterized in that includes:

the main shell is used for being connected with a rear axle, and a first oil duct is arranged on the side wall of the main shell;

the flange seat is connected to the main shell through a connecting piece, a sealing gasket is arranged between the main shell and the flange seat, a wheel shaft is rotatably connected in the flange seat, and a first bearing is arranged between the wheel shaft and the flange seat;

the reinforcing rib is arranged on the periphery of the flange seat along the axial direction of the flange seat, and a second oil duct which is communicated with the first oil duct and extends to the outer side of the first bearing is arranged in the reinforcing rib; and

and the input flange is connected to the outer end of the wheel shaft and used for driving the wheel shaft to rotate.

2. The flange connecting structure for the rear axle of a 15t excavator according to claim 1, wherein the connecting member is a hexagon bolt, and a friction layer for contact fit with the hexagon bolt is provided on the outer end surface of the flange seat.

3. The flange connecting structure of the rear axle of the 15t excavator according to claim 2, wherein the periphery of the flange seat is further provided with a plurality of rib plates extending along the axial direction of the flange seat, and the rib plates are uniformly distributed on the periphery of the flange seat.

4. The 15t excavator rear axle flange connection according to claim 3, wherein the width of the reinforcing bar is larger than the width of the rib plate.

5. The flange connecting structure of the rear axle of the 15t excavator as claimed in claim 1, wherein an oil seal is further arranged between the periphery of the wheel shaft and the inner wall of the flange seat, the oil seal is located on the outer side of the first bearing, and a stepped hole clamped with the oil seal is formed in the inner wall of the flange seat.

6. The flange connecting structure for the rear axle of the 15t excavator as claimed in claim 5, wherein a dust cover is further arranged on one side of the oil seal away from the main shell.

7. The flange connecting structure for the rear axle of the 15t excavator according to claim 2, wherein an ejecting threaded hole is further formed in the end face of the flange seat, and the ejecting threaded hole is used for installing an ejecting bolt to separate the flange seat from the main shell.

8. The flange connecting structure for the rear axle of a 15t excavator according to claim 1, wherein a second bearing is arranged between the wheel shaft and the main shell, a third oil passage communicated with the second oil passage is further arranged on the flange seat, and the other end of the third oil passage extends to a position between the first bearing and the second bearing.

9. The flange connection structure of a rear axle of a 15t excavator according to claim 8, wherein the number of the reinforcing ribs is two, and the reinforcing ribs are symmetrically distributed on both sides of the flange seat, and the number of the first oil passage, the number of the second oil passage and the number of the third oil passage are two.

10. A 15 t-excavator, wherein there is provided a 15 t-excavator rear axle flange connection as claimed in any one of claims 1 to 9.