Sealing member anti-disengaging structure, main bearing, engineering mechanical equipment
阅读说明:本技术 一种密封件防脱结构、主轴承、工程机械设备 (Sealing member anti-disengaging structure, main bearing, engineering mechanical equipment ) 是由 程永亮 刘飞香 何其平 胡斌 彭正阳 刘华 许正根 王险峰 关明辉 郑欣利 李洪 于 2020-08-06 设计创作,主要内容包括:本发明公开了一种密封件防脱结构、主轴承、工程机械设备,密封件防脱结构包括:结构主体和设置于结构主体的密封槽,密封槽用于安装密封件,密封槽的侧壁设置有至少一个卡槽,卡槽的深度方向具有垂直于密封槽深度方向的延伸,卡槽用于与密封件配合卡接。当密封件要由密封槽中脱落时,卡槽会施加一个反方向的作用力,避免密封件的脱落,另外,在脱落的过程中,要想使密封件由卡槽中脱离,也需要密封件发生形变,并克服密封件与卡槽之间的摩擦力,因此可以有效避免密封件的脱落,使密封件在密封槽中固定的更加牢固。主轴承包括上述密封件防脱结构,工程机械设备包括上述主轴承。(The invention discloses a sealing element anti-disengaging structure, a main bearing and engineering mechanical equipment, wherein the sealing element anti-disengaging structure comprises: the structure main part with set up in the seal groove of structure main part, the seal groove is used for installing the sealing member, the lateral wall of seal groove is provided with at least one draw-in groove, the depth direction of draw-in groove has the extension of perpendicular to seal groove depth direction, the draw-in groove is used for cooperating the joint with the sealing member. When the sealing member will drop by in the seal groove, the effort in a reverse direction can be applyed to the draw-in groove, avoids droing of sealing member, in addition, at the in-process that drops, in order to make the sealing member break away from by the draw-in groove, also need the sealing member to take place deformation to overcome the frictional force between sealing member and the draw-in groove, consequently can effectively avoid droing of sealing member, make the sealing member fixed more firm in the seal groove. The main bearing comprises the sealing element anti-falling structure, and the engineering mechanical equipment comprises the main bearing.)
1. A seal retaining structure, comprising: the structure main part with set up in structure main part's seal groove (5), seal groove (5) are used for installing sealing member (4), the lateral wall of seal groove (5) is provided with at least one draw-in groove (12), the depth direction of draw-in groove (12) has the perpendicular to seal groove (5) depth direction's extension, draw-in groove (12) are used for cooperating the joint with sealing member (4).
2. The seal removal preventing structure according to claim 1, wherein the catching groove (12) is an annular groove provided along a circumferential direction of the seal groove (5).
3. The seal removal preventing structure according to claim 2, wherein the number of the catching grooves (12) is plural, and the plural catching grooves (12) are provided in a depth direction of the seal groove (5).
4. The seal removal preventing structure according to any one of claims 1 to 3, wherein an upper side surface (121) of the locking groove (12) near the opening of the seal groove (5) is provided perpendicularly to a depth direction of the seal groove (5), or the upper side surface (121) of the locking groove (12) near the opening of the seal groove (5) is provided obliquely toward a bottom of the seal groove (5).
5. The seal removal preventing structure according to any one of claims 1 to 3, wherein a lower side surface (122) of the catching groove (12) remote from the opening of the seal groove (5) is inclined toward the opening of the seal groove (5).
6. The seal retaining structure according to any one of claims 1 to 3, wherein a glue storage groove for storing glue is provided in the catching groove (12).
7. The seal retaining structure according to claim 6, wherein the glue storage groove is provided on a bottom surface of the locking groove (12) or on a lower side surface (122) of the locking groove (12) that is far from an opening of the sealing groove (5).
8. The seal retaining structure according to any one of claims 1 to 3, wherein the side surface of the catching groove (12) is provided with a texture for increasing friction.
9. A main bearing comprising the seal retaining structure of any one of claims 1 to 8.
10. A work machine apparatus comprising a main bearing according to claim 9.
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a sealing element anti-falling structure. In addition, the invention also relates to a column bearing comprising the sealing element anti-falling structure and engineering mechanical equipment comprising the column bearing.
Background
Because most of the shield tunneling machine is used for underground operation, if the main bearing sealing system generates sealing failure due to sealing damage, sealing falling and the like in the construction process, oil leakage of the main bearing gear or mud slag particles enter the gear box and the main bearing, so that the main bearing or the gear is damaged, and inestimable loss is brought to the shield tunneling machine construction.
Disclosure of Invention
In view of this, an object of the present invention is to provide an anti-separation structure for a sealing element, in which at least one clamping groove is disposed on a sidewall of a sealing groove for clamping and matching with the sealing element, so as to effectively prevent the sealing element from falling off.
Another object of the present invention is to provide a main bearing including the above seal retaining structure, and a construction machine including the above column bearing.
In order to achieve the above purpose, the invention provides the following technical scheme:
a seal retaining structure comprising: the structure main part with set up in structure main part's seal groove, the seal groove is used for installing the sealing member, the lateral wall of seal groove is provided with at least one draw-in groove, the depth direction of draw-in groove has the perpendicular to seal groove depth direction's extension, the draw-in groove be used for with sealing member cooperation joint.
Preferably, the clamping groove is an annular groove arranged along the circumferential direction of the sealing groove.
Preferably, the number of the clamping grooves is multiple, and the plurality of clamping grooves are arranged along the depth direction of the sealing groove.
Preferably, an upper side surface of the slot close to the opening of the seal groove is perpendicular to a depth direction of the seal groove, or an upper side surface of the slot close to the opening of the seal groove is inclined toward the bottom of the seal groove.
Preferably, the lower side surface of the clamping groove, which is far away from the opening of the sealing groove, is inclined towards the opening of the sealing groove.
Preferably, a glue storage groove for storing glue is arranged in the clamping groove.
Preferably, the glue storage groove is arranged on the bottom surface of the clamping groove or on the lower side surface of the clamping groove far away from the opening of the sealing groove.
Preferably, the side surface of the clamping groove is provided with a line for increasing friction force.
A main bearing comprising a seal run-off prevention structure as claimed in any preceding claim.
Engineering mechanical equipment comprises the main bearing.
The invention provides a sealing element anti-dropping structure, comprising: the structure main part with set up in the seal groove of structure main part, the seal groove is used for installing the sealing member, the lateral wall of seal groove is provided with at least one draw-in groove, the depth direction of draw-in groove has the extension of perpendicular to seal groove depth direction, the draw-in groove is used for cooperating the joint with the sealing member.
In the use process, at first need place the sealing member in the seal groove, and make the part that needs and draw-in groove cooperation joint in the sealing member be located the lower part of draw-in groove, the lower part of this draw-in groove refers to the position that is closer to seal groove depth direction bottom, because the depth direction of draw-in groove has the extension of perpendicular to seal groove depth direction, consequently when the sealing member will drop by in the seal groove, the effort in the opposite direction can be applyed to the draw-in groove, avoid droing of sealing member, in addition, even the sealing member is soft material, at the in-process that drops, want to make the sealing member break away from by the draw-in groove, also need the sealing member to take place deformation, and overcome the frictional force between sealing member and the draw-in groove, consequently, can.
In addition, the invention also discloses a main bearing comprising the sealing element anti-falling structure and engineering mechanical equipment comprising the main bearing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating a connection relationship between a main bearing and a seal in a construction machine according to the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of a seal retaining structure according to the present invention;
fig. 3 is a schematic structural view of the sealing element anti-separation structure and the sealing element in a matching state.
In FIGS. 1-3:
the thrust roller bearing comprises a main bearing first
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The core of the invention is to provide an anti-falling structure of a sealing element, and the side wall of a sealing groove is provided with a clamping groove, so that the sealing element is clamped and matched with the clamping groove, and the sealing element is prevented from falling off. The invention also provides a main bearing comprising the sealing element anti-falling structure and engineering mechanical equipment comprising the main bearing.
Referring to fig. 1 to 3, fig. 1 is a schematic view illustrating a connection relationship between a main bearing and a sealing member in an engineering mechanical device according to the present invention; FIG. 2 is a schematic cross-sectional view of an embodiment of a seal retaining structure according to the present invention; fig. 3 is a schematic structural view of the sealing element anti-separation structure and the sealing element in a matching state.
This embodiment provides a sealing member anti-disengaging structure, includes: the structure main part with set up in structure main part's
In the use process, the
The depth of the clamping groove 12 needs to be determined according to the size of the
Note that, in order to enable the sealing
The depth direction of the clamping groove 12 has an extension perpendicular to the depth direction of the
On the basis of the above embodiment, the clamping groove 12 can be set as an annular groove arranged along the circumferential direction of the
Of course, the clamping groove 12 may also be a groove discontinuously arranged along the circumferential direction of the
The number of the locking grooves 12 may be one or plural, and when the number of the locking grooves 12 is plural, it is preferable that the locking grooves 12 be provided in the depth direction of the
It should be noted that, the clamping groove 12 may be arranged in an annular structure along the circumferential direction of the
Preferably, the distance between adjacent slots 12 in the depth direction of the
In order to prevent the
As shown in fig. 2, in the process that the
It should be noted that, here, when the upper side surface 121, which is close to the opening of the
On the basis of the above embodiment, the lower side surface 122 of the clamping groove 12 away from the opening of the
In the use process, when the
In order to further avoid the sealing
The depth, size and shape of the glue storage groove need to be determined according to actual conditions, and are not described herein in detail, preferably, the glue storage groove is a rectangular groove.
On the basis of the above embodiment, the side surface of the clamping groove 12 may be provided with a texture for increasing the friction force, and the texture may be a stripe or a diamond texture, and is specifically determined according to actual conditions, which is not described herein.
After the frictional force between the side of sealing
In addition to the above-described seal retaining structure, the present invention also provides a main bearing including the seal retaining structure disclosed in the above-described embodiment.
As shown in fig. 1, the main bearing comprises a main bearing first
In addition, the invention also provides engineering mechanical equipment comprising the main bearing, wherein the engineering mechanical equipment can be a heading machine, an engineering vehicle, various functional mechanical equipment and the like, and other structures of the engineering mechanical equipment are not described in detail herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The anti-dropping structure of the sealing element, the main bearing and the engineering mechanical equipment provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
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