CN214092769U - Large-aperture hydraulic coupling hub - Google Patents

Abstract

The application discloses large aperture hydraulic coupling wheel hub. Large aperture hydraulic coupling wheel hub includes that oil storage chamber, inlet port, oil outlet and excircle are protruding, and wherein at least one excircle arch is used for being connected with other parts, the inlet port and the oil outlet sets up in the excircle arch, the inlet port and the oil outlet respectively with oil storage chamber intercommunication. The large-aperture hydraulic coupling hub is provided with the excircle arch on the outer wall of overcoat, sets up inlet port and oil outlet in the excircle arch, under the condition that does not increase whole overcoat size, can satisfy the user demand under the condition that does not reduce the wall thickness.

Description

Large-aperture hydraulic coupling hub

Technical Field

The application relates to the technical field of couplings, in particular to a large-aperture hydraulic coupling hub.

Background

Hydraulic pressure wheel hub in the existing market generally contains two-layer structure, inlayer sleeve and outer sleeve promptly, outer sleeve cover is established in the telescopic outside of inlayer, and form the oil storage chamber between the fitting surface, be provided with inlet port and oil outlet on outer sleeve generally, install check valve and dustproof cap on inlet port and the oil outlet respectively, for the protection check valve, the counter bore can be processed on outer sleeve generally, in order to sink in outer telescopic surface with the check valve, just so require outer sleeve must possess certain thickness requirement.

Because each type of coupler has national standard or industrial standard, the external dimension is fixed, so when the used aperture is in the larger aperture of the type (the aperture of each type of coupler has a certain range, for example, the aperture can be processed into any aperture between 80 and 160), the wall thickness is reduced, the thickness requirement for installing the check valve cannot be met, at this time, a larger type (the aperture may be in the range of 100 to 200) needs to be selected, and the use cost is increased. This problem often appears in the shaft coupling wheel hub that has a restriction to overall dimension, for example, serpentine spring coupling, because the wheel hub outside needs the installation housing, even if not satisfying national standard or industry standard, the nonstandard increase wheel hub outer warp also must be enough, because lead to the housing unable installation.

When the unsatisfied operation requirement of wall thickness appears, another kind of condition is, wheel hub excircle size is unrestricted, can expand overall dimension as required nonstandard, but simple increase excircle size can lead to product weight increase, and dynamic balance stability reduces, and leads to the installation axle to lead to the bearing of installation axle to damage easily and seal the damage.

As the center line of the aperture of the hydraulic hub needs to be aligned with the center line of the shaft extension of the mounting equipment in the mounting process of the hydraulic hub, the hydraulic hub needs to be in a horizontal state as much as possible so as to realize quick mounting. The level can not be guaranteed when hydraulic wheel hub installs at present, and the installation is troublesome.

In addition, when hydraulic pressure wheel hub is connected with other driving medium and needs the centering axis, two equipment often can't be centering fast, and the installation is troublesome, and easy the equipment that appears in centering in-process damages, perhaps installs half, advances and retreats dilemma (for example at present general centering adopts public female complex tang location).

The size of the outer circle refers to the size of the outer circle for mounting the check valve, and is not particularly limited to the maximum outer circle.

Accordingly, it would be desirable to have a solution that overcomes or at least alleviates at least one of the above-mentioned difficulties of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large aperture hydraulic coupling wheel hub overcomes or alleviates at least one above-mentioned defect of prior art at least.

The utility model discloses an aspect provides a large aperture hydraulic coupling wheel hub, large aperture hydraulic coupling wheel hub is provided with oil storage chamber, inlet port, oil outlet and excircle arch, and wherein at least one excircle arch is used for being connected with other parts, the inlet port and the oil outlet sets up in the excircle arch, the inlet port and the oil outlet respectively with oil storage chamber intercommunication.

Optionally, the number of the outer circular bulges is at least two; a excircle arch for being connected with other parts is called first excircle arch, inlet port and oil outlet set up except that on other excircle archs outside first excircle arch.

Optionally, large aperture hydraulic coupling wheel hub includes overcoat and endotheca, the oil storage chamber sets up the overcoat with between the endotheca, the excircle arch sets up the overcoat and/or on the endotheca.

Optionally, the excircle protrusion is arranged on the outer sleeve, the first excircle protrusion is arranged at one end of the outer sleeve, at least one excircle protrusion except the first excircle protrusion is arranged at the other end of the outer sleeve or at least one excircle protrusion except the first excircle protrusion is arranged at the middle part of the outer sleeve.

Optionally, the excircle arch all sets up on the endotheca, first excircle arch sets up the one end of endotheca, has at least one excircle arch setting except that first excircle arch to be in the other end of endotheca, the axial position of overcoat is located between the excircle arch on first excircle arch and the other end.

Optionally, the outer circular protrusion is disposed on the outer sleeve and the inner sleeve, wherein the first outer circular protrusion is disposed on the inner sleeve or the outer sleeve; in other excircle bulges except the first excircle bulge, the excircle bulge is at least positioned at one or more positions in the middle of the one end of the inner sleeve, the one end of the outer sleeve, which is far away from the first excircle bulge, and the middle of the outer sleeve.

Optionally, one or more of the cylindrical protrusions are annular cylindrical protrusions.

Optionally, in addition to the first outer circular protrusion, one or more outer circular protrusions are protrusions arranged from the position where the first outer circular protrusions are arranged to the circumferential direction of the center far away from the large-aperture hydraulic coupling hub.

Optionally, a radial hoisting hole is arranged on the large-aperture hydraulic coupling hub, and a central axis of the radial hoisting hole passes through the center of gravity of the hub.

Optionally, the first outer circular protrusion is provided with at least two pin holes, wherein at least one pin hole is a conical pin hole.

Advantageous effects

The large-aperture hydraulic coupling hub is provided with the excircle arch on the outer wall of overcoat, sets up inlet port and oil outlet in the excircle arch, satisfies the user demand under the condition that does not increase whole overcoat wall thickness. Meanwhile, the effects of quick installation and quick centering can be realized.

Drawings

Fig. 1 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a third embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a fourth embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a fifth embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a sixth embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a seventh embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to an eighth embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a ninth embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a tenth embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to an eleventh embodiment of the present invention.

Reference numerals:

1. a hydraulic serpentine spring coupling hub; 2. a jacket; 3. the excircle is convex; 4. an outer wall groove; 5. an oil inlet hole; 6. an inner sleeve; 7. an oil storage chamber; 8. a first outer circular protrusion; 9. radial hoisting holes; 10. an oil outlet hole; 31. a pin hole; 32. a hub.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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 application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and are not to be considered limiting of the scope of the present application.

Fig. 1 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a first embodiment of the present invention. Fig. 2 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a second embodiment of the present invention. Fig. 3 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a third embodiment of the present invention. Fig. 4 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a fourth embodiment of the present invention. Fig. 5 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a fifth embodiment of the present invention. Fig. 6 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a sixth embodiment of the present invention. Fig. 7 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a seventh embodiment of the present invention. Fig. 8 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to an eighth embodiment of the present invention. Fig. 9 is a schematic structural diagram of a large-aperture hydraulic coupling hub according to a ninth embodiment of the present invention.

As shown in fig. 1-11 the large-aperture hydraulic coupling hub comprises an oil storage cavity 7, an oil inlet hole, an oil outlet hole and an outer circle protrusion 3, wherein at least one outer circle protrusion is used for being connected with other parts, the oil inlet hole and the oil outlet hole are arranged on the outer circle protrusion, and the oil inlet hole and the oil outlet hole are respectively communicated with the oil storage cavity 7.

It is understood that the outer circular protrusion for connecting with other components may be a flange structure, and the flange structure is provided with a through hole for connection.

It will be appreciated that the outer protrusions that interface with other components may be flange structures that are provided with teeth to form the hub of a dog coupling, or the hub of a serpentine spring coupling.

The large-aperture hydraulic coupling hub is provided with the excircle arch on the outer wall of overcoat, sets up inlet port and oil outlet on the excircle arch, satisfies the user demand under the condition that does not increase whole overcoat wall thickness, has avoided the problem of the equipment lectotype increase that leads to because of equipment aperture problem, has reduced user's use cost.

Referring to fig. 1 to 4, in the present embodiment, the number of the outer circumferential protrusions is at least two; an outer circular protrusion for connecting with other parts is called a first outer circular protrusion 8, and the oil inlet hole 5 and the oil outlet hole 10 are arranged on other outer circular protrusions except the first outer circular protrusion 8.

In this embodiment, the other component is a hub, which may be the large-aperture hydraulic coupling hub of the present application, or may be another type of hub.

It is understood that in other embodiments, the oil inlet hole and the oil outlet hole may be disposed on the first outer circular protrusion 8, and the number of the oil holes on the first outer circular protrusion 8 may be set by itself as required.

In this application, inlet port and oil outlet can set up on an excircle arch, also can set up in a plurality of excircle archs, can be provided with inlet port and oil outlet on some excircle archs, do not be provided with inlet port and oil outlet on some excircle archs.

In this embodiment, large aperture hydraulic coupling wheel hub includes overcoat 2 and endotheca 6, and the oil storage chamber sets up between overcoat and endotheca, and the excircle arch sets up on overcoat and/or endotheca.

In this application, at least one oil inlet hole and the oil outlet hole communicate with the oil reservoir chamber 7.

Referring to fig. 4, in the present embodiment, each of the oil inlet holes and the oil outlet holes is communicated with the oil storage chamber.

Referring to fig. 7, in this embodiment, the outer protrusions are all disposed on the outer sleeve 2, the first outer protrusion 8 is disposed at one end of the outer sleeve 2, and at least one outer protrusion 3 except the first outer protrusion is disposed at the other end of the outer sleeve or at least one outer protrusion except the first outer protrusion is disposed in the middle of the outer sleeve.

Referring to fig. 8, in this embodiment, the outer circular protrusions 3 are all disposed on the inner sleeve 6, the first outer circular protrusion 8 is disposed at one end of the inner sleeve, at least one outer circular protrusion other than the first outer circular protrusion is disposed at the other end of the inner sleeve, and the axial position of the outer sleeve is located between the first outer circular protrusion 8 and the outer circular protrusion at the other end.

Referring to fig. 9, in the present embodiment, the outer circular protrusions 3 are disposed on the outer sleeve 2 and the inner sleeve 6, wherein the first outer circular protrusion 8 is disposed on the inner sleeve 6 or the outer sleeve 2; in the other excircle protrusions except the first excircle protrusion, the excircle protrusion is at least positioned at one or more positions in one end of the inner sleeve, one end of the outer sleeve, and the middle of the outer sleeve, wherein the end of the inner sleeve is far away from the first excircle protrusion, and the end of the outer sleeve, which is far away from the first excircle protrusion, is far away from the middle of the outer sleeve.

It is understood that fig. 7 to 9 are schematic views, and the oil inlet hole, the oil outlet hole, and other arrangements described above are omitted.

It will be appreciated that the outer circular protrusion may also be provided near the middle or near one end.

In the present embodiment, one or more of the outer cylindrical protrusions 3 are annular outer cylindrical protrusions.

In one embodiment, the cylindrical protrusions are all annular cylindrical protrusions.

In this application, the quantity of excircle arch can be set for by oneself as required. For example, two, three, four, five, or more are provided in the outer sheath axial direction.

It will be appreciated that in one embodiment, a non-uniform arrangement is also possible.

In the present application, these outer cylindrical protrusions may be annular, i.e. arranged circumferentially around the outer jacket.

In the present application, these cylindrical protrusions may also be of other shapes.

In one embodiment, in addition to the first outer cylindrical protrusion, the one or more outer cylindrical protrusions 3 are protrusions that are disposed circumferentially away from the center of the large bore hydraulic coupling hub from where they are disposed.

Referring to fig. 5, in the embodiment shown in fig. 5, the outer circular protrusion is a cylindrical outer circular protrusion, and with this arrangement, the cylinder can be directly welded on the outer sleeve, so that the processing is more convenient.

Referring to fig. 1 to 4, in the present application, the outer circular protrusion may be provided in plural in the axial direction of the outer sleeve, and may also be provided in plural in the circumferential direction of the outer sleeve.

In this embodiment, the first outer circular protrusion may be disposed right on the end surface of one end of the outer sleeve 2, or may be spaced from the end surface of the outer sleeve by a certain distance, for example, 10cm, 5cm, etc.

Referring to fig. 1, 3 and 4, in one embodiment, the oil inlet and outlet holes are provided on an outer circular protrusion, which may be annular, i.e., disposed circumferentially around the outer sleeve. The oil inlet hole and the oil outlet hole are symmetrically arranged on the excircle protrusion.

In one embodiment, the oil inlet hole and the oil outlet hole are formed in two different outer circular protrusions, and one outer circular protrusion is provided.

In one embodiment, the oil inlet hole and the oil outlet hole are respectively arranged on different outer circular bulges 3.

Referring to fig. 4, in the present embodiment, the outer wall of the outer sleeve 2 has an outer wall groove at the connection position with the first outer circular protrusion; the outer wall groove 4 is an annular groove or a plurality of discontinuous grooves arranged along the circumference of the outer wall of the outer sleeve.

In the present embodiment, the outer wall groove 4 is recessed in a direction toward the center line of the large-bore hydraulic coupling hub.

In this embodiment, the outer wall recess includes first section and second section, first section one end and the protruding contact of first excircle, and the other end of first section is connected with the one end of second section.

In this embodiment, the first segment is an arc segment extending and bending from one end to the other end; the second section is a straight line section.

By adopting the structure, the torsional stress at the joint of the outer wall of the outer sleeve 2 and the first excircle protrusion can be reduced.

In this embodiment, the outer cylindrical protrusion is adapted to be coupled to another component, such as another hub, it being understood that the hub may be a large bore hydraulic coupling hub as described above.

Referring to fig. 6, in this embodiment, a large-aperture hydraulic coupling hub is provided with a radial hoisting hole 9, and a central axis of the radial hoisting hole passes through a center of gravity of the hub.

By adopting the mode, the axle hole of the hub can be ensured to be horizontal during hoisting, and the hub is conveniently aligned with the mounting shaft so as to realize quick mounting.

In addition, for the large-aperture hydraulic coupling hub, the alignment is convenient, and the clearance between the inner hole of the large-aperture hydraulic coupling hub and the mounting shaft can be adjusted to be small, so that higher torque can be transmitted under the same pressure.

Referring to fig. 7, in this embodiment, at least two pin holes are disposed on the first outer circular protrusion, wherein at least one pin hole is a conical pin hole.

In this application, still be provided with the bolt hole on the first excircle arch.

When the large aperture hydraulic coupling wheel hub of this application used, first excircle arch is connected with other parts, for example, is connected with other wheel hub 32, is provided with the flange structure on other wheel hub 32, and the flange is structural to be provided with bolt hole and positioning hole. The bolt hole on the flange structure is matched with the bolt hole on the first excircle protrusion and is connected through a bolt.

During the connection process, there is a possibility that the large-aperture hydraulic coupling hub 32 is not aligned with the hub to be connected, and at this time, the positioning pins sequentially pass through the positioning through holes and the conical pin holes and are guided by the inner walls of the pin holes, so that the large-aperture hydraulic coupling hub and the connected hub are gradually aligned during the connection process.

In this embodiment, at least one of the other cylindrical protrusions is disposed at the other end of the outer sleeve, and the cylindrical protrusion is referred to as a second cylindrical protrusion.

In this application, also can set up one or more excircle arch simultaneously in the circumference of overcoat, for example, set up a plurality of excircle archs on the axial other end (second excircle arch) of overcoat, each excircle arch is evenly arranged in circumference.

In this embodiment, the number of the first outer circular protrusions is at least two, and the first outer circular protrusions are uniformly distributed in the circumferential direction of the outer wall.

In this embodiment, the number of the second outer circular protrusions is at least two, and the second outer circular protrusions are uniformly distributed in the circumferential direction of the outer wall.

In this embodiment, except the first outer circular protrusion, at least one of the other outer circular protrusions is arranged in the middle of the outer sleeve in the axial direction, the outer circular protrusion is called as a third outer circular protrusion, and the third outer circular protrusion is an annular outer circular protrusion and is arranged circumferentially around the outer wall of the outer sleeve 2.

In this application, the middle part sets up annular protruding, and when the large aperture hydraulic coupling wheel hub atress of this application, the middle part warp most easily, and is protruding through setting up the third excircle, can increase the holding capacity at middle part, prevents to warp.

In this embodiment, the first outer circumferential projection is an annular outer circumferential projection that is circumferentially disposed around the outer wall of the outer sleeve 2.

In this embodiment, the second outer circumferential projection is an annular outer circumferential projection that is circumferentially disposed around the outer wall of the outer sleeve 2.

In this embodiment, the dimension of the second outer circumferential projection and/or the third outer circumferential projection in the axial direction of the outer sleeve is 18mm to 50 mm.

In this embodiment, the dimension of the second outer circumferential projection in the radial direction of the outer sleeve is smaller than the dimension of the first outer circumferential projection in that direction.

In this embodiment, the dimension of the third outer circumferential projection in the radial direction of the outer sleeve is smaller than the dimension of the first outer circumferential projection in that direction.

In this embodiment, the first outer circular protrusion is provided with a plurality of grooves circumferentially arranged on the first outer circular protrusion, and each groove is recessed from the outer wall of the first outer circular protrusion to the inner wall; and/or the presence of a gas in the gas,

the second excircle protrusion is provided with a plurality of grooves which are arranged in the circumferential direction of the second excircle protrusion, and each groove is concave from the outer wall of the second excircle protrusion to the inner wall.

The first outer circular bulge and/or the second outer circular bulge are/is provided with the grooves, so that the weight of the large-aperture hydraulic coupling hub can be further reduced.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a large aperture hydraulic coupling wheel hub, its characterized in that, large aperture hydraulic coupling wheel hub includes that oil storage chamber (7), inlet port, oil outlet and excircle are protruding (3), and wherein at least one excircle arch is used for being connected with other parts, the inlet port and the oil outlet sets up in the excircle is protruding, the inlet port and the oil outlet respectively with oil storage chamber (7) intercommunication.

2. The large bore hydraulic coupling hub of claim 1, wherein said outer lobes are at least two in number;

a excircle arch for being connected with other parts is called first excircle arch (8), inlet port and oil outlet set up except that on first excircle arch (8) other excircle arch.

3. The large-aperture hydraulic coupling hub according to claim 2, wherein the large-aperture hydraulic coupling hub comprises an outer sleeve (2) and an inner sleeve (6), the oil storage chamber is arranged between the outer sleeve and the inner sleeve, and the outer circular protrusion is arranged on the outer sleeve and/or the inner sleeve.

4. A large bore hydraulic coupling hub according to claim 3, wherein the cylindrical protrusions are all provided on the outer sleeve (2), the first cylindrical protrusion (8) is provided at one end of the outer sleeve (2), and at least one cylindrical protrusion (3) other than the first cylindrical protrusion is provided at the other end of the outer sleeve or at least one cylindrical protrusion other than the first cylindrical protrusion is provided in the middle of the outer sleeve.

5. A large aperture hydraulic coupling hub according to claim 3, wherein the outer cylindrical protrusions (3) are all provided on the inner sleeve (6), the first outer cylindrical protrusion (8) is provided at one end of the inner sleeve, at least one outer cylindrical protrusion other than the first outer cylindrical protrusion is provided at the other end of the inner sleeve, and the axial position of the outer sleeve is located between the first outer cylindrical protrusion (8) and the outer cylindrical protrusion at the other end.

6. A large-bore hydraulic coupling hub according to claim 3, wherein the outer cylindrical protrusion (3) is provided on the outer sleeve (2) and on the inner sleeve (6), wherein the first outer cylindrical protrusion (8) is provided on the inner sleeve (6) or on the outer sleeve (2); in other excircle protrusions except the first excircle protrusion, the excircle protrusion is at least located at one or more positions in one end of the inner sleeve, one end of the outer sleeve, which is far away from the first excircle protrusion, and the middle of the outer sleeve.

7. A large bore hydraulic coupling hub as claimed in any one of claims 4 to 6, characterized in that one or more of the outer cylindrical protrusions (3) are annular outer cylindrical protrusions.

8. A large bore hydraulic coupling hub according to any one of claims 4 to 6, wherein one or more of the outer cylindrical protrusions (3) other than the first outer cylindrical protrusion is a protrusion arranged circumferentially away from the centre of the large bore hydraulic coupling hub from the location where it is arranged.

9. A large aperture hydraulic coupling hub as claimed in any one of claims 1 to 6, characterized in that the large aperture hydraulic coupling hub is provided with radial lifting holes (9) having a central axis passing through the center of gravity of the hub.

10. A large bore hydraulic coupling hub as claimed in any one of claims 2 to 6, wherein said first cylindrical protrusion is provided with at least two pin holes (31), at least one of which is a conical pin hole.

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