CN110984265A

CN110984265A - Gap adjustment pad assembly and excavator

Info

Publication number: CN110984265A
Application number: CN201911299696.1A
Authority: CN
Inventors: 戴建鑫; 吕梁; 涂庭波
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-10
Anticipated expiration: 2039-12-17
Also published as: CN110984265B

Abstract

The utility model belongs to the technical field of the engineering vehicle technique and specifically relates to a clearance adjustment saucer assembly and excavator is related to, clearance adjustment saucer assembly includes: the device comprises a first pad main body, a second pad main body and an elastic supporting piece; the first pad main body and the second pad main body are arranged oppositely, and the elastic supporting piece is arranged between the first pad main body and the second pad main body. The application provides a clearance adjustment saucer assembly can easily install between scraper bowl and dipper conveniently, undertakes the work of filling the clearance for a long time, and the probability of damage is little, avoids excavator parking maintenance, changes gasket or wear pad, influences the construction progress.

Description

Gap adjustment pad assembly and excavator

Technical Field

The application relates to the technical field of engineering vehicles, in particular to a clearance adjustment cushion disc assembly and an excavator.

Background

Large-scale backhoe excavator scraper bowl passes through round pin axle through connection with the dipper, the clearance can appear through long-time wearing and tearing in cooperation position between scraper bowl and the dipper, lead to the scraper bowl to rock, influence excavator normal work, present general through adding the gasket, install wear ring in order to solve this problem, if not timely add the gasket, still can lead to the scraper bowl, dipper cooperation department damage, even if installed gasket or wear ring after long-time the use, still need to dismantle the scraper bowl and reinstall, the dismouting maintenance is not convenient, gasket or wear ring also can cause the damage to the clearance fit department of scraper bowl and dipper bearing the in-process of wearing and tearing.

Disclosure of Invention

The utility model aims at providing a clearance adjustment saucer assembly and excavator to solve the technical problem that exists among the prior art need often change the gasket or wear ring between scraper bowl and the dipper to a certain extent, and the change process is difficult.

The application provides a clearance adjustment saucer assembly includes: the device comprises a first pad main body, a second pad main body and an elastic supporting piece;

the first pad main body and the second pad main body are arranged oppositely;

the elastic support piece is arranged between the first pad main body and the second pad main body, one end of the elastic support piece is connected with the first pad main body, the other end of the elastic support piece is connected with the second pad main body, and the elastic support piece is used for pushing the first pad main body and the second pad main body to be away from each other.

In the above technical solution, further, the first pad main body is formed with a sliding track, the sliding track is "F" type, and the sliding track includes a first point location and a second point location.

In any of the above technical solutions, further, the gap adjustment saucer assembly further includes a shaft ring, and the shaft ring is disposed between the second saucer body and the elastic support member.

In any one of the above technical solutions, further, an operation portion is formed on the collar, and when the operation portion is pushed, the operation portion can be switched between the first position and the second position.

In any one of the above technical solutions, further, the sliding rail is provided with a slide rail inlet, and the operation portion enters the sliding rail through the slide rail inlet.

In any of the above technical solutions, further, the gap adjustment saucer assembly further includes a rolling element retainer, and the rolling element retainer is disposed between the second saucer body and the shaft ring;

the rolling element retainer comprises a support ring and at least two balls, the balls are arranged along the circumferential direction of the support ring, and the balls can rotate universally relative to the support ring.

In any one of the above technical solutions, further, a first rolling groove is formed along a circumferential direction of a side of the collar facing the first saucer body, and the balls abut against the first rolling groove;

and a second rolling groove is formed in one side, facing the shaft ring, of the second pad main body along the circumferential direction of the second pad main body, and the balls abut against the second rolling groove.

In any one of the above technical solutions, further, the number of the slip tracks is at least one, the number of the operation portions of the collar is the same as the number of the slip tracks, and the corresponding slip track is provided for any one of the operation portions.

In any of the above technical solutions, further, the elastic support is a compression spring.

The application also provides an excavator, including any one of the above technical schemes the clearance adjustment saucer assembly, therefore, have all beneficial technical effects of this clearance adjustment saucer assembly, here, no longer give unnecessary details.

Compared with the prior art, the beneficial effect of this application is:

the following gap adjustment saucer assembly that will provide with this application is applied to filling the clearance between excavator scraper bowl and the dipper and explains as an example, and the gap adjustment saucer assembly that this application provided includes: the device comprises a first pad main body, a second pad main body and an elastic supporting piece; the first pad main body and the second pad main body are oppositely arranged, the elastic support piece is clamped between the first pad main body and the second pad main body, one end of the elastic support piece is connected with the first pad main body, the other end of the elastic support piece is connected with the second pad main body, when the elastic support piece is in a compression state, the distance between the side edges of the first pad main body and the second pad main body which are deviated from each other is smaller than the distance between the bucket and the bucket rod, under the state, the clearance adjusting pad assembly can be easily installed between the bucket and the bucket rod, then the fixed pin shaft penetrates through the bucket, the clearance adjusting pad assembly and the bucket, after the installation is finished, when the elastic support piece is in a stretching state, and the first pad main body and the second pad main body always have the trend of being far away from each other under the action of the elastic support piece, so that the first pad main body and the second pad main body can be respectively and tightly abutted against the bucket rod and the bucket, filling the gap between the bucket and the bucket rod.

It is thus clear that the application provides a clearance adjustment saucer assembly, can easily install between scraper bowl and dipper, and have the trend of keeping away from each other among first saucer main part and the second saucer main part, and then increase the distance between first saucer main part and the second saucer main part, with the distance between filling excavator scraper bowl and the dipper, and elastic support spare possesses the elasticity attribute by itself, can adjust the compression volume according to the cooperation working conditions between scraper bowl and the dipper in the excavator working process, avoid this clearance adjustment saucer assembly and scraper bowl or dipper between the rigidity friction, therefore this clearance adjustment saucer assembly can undertake the work of filling the clearance for a long time, it is little to damage the probability, avoid the excavator parking, change gasket or wear pad, influence the construction progress.

The application provides an excavator, including the aforesaid clearance adjustment saucer assembly, therefore, can fill the scraper bowl of excavator and the gap between the shovel pole through this clearance adjustment saucer assembly, easy operation to it is not fragile, need not often change or maintain, avoids the excavator to park and changes or maintain gasket, wear pad, and then can guarantee the engineering progress.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a gap adjustment saucer assembly provided in an embodiment of the present application;

FIG. 2 is a schematic view of a gap adjusting saucer assembly according to an embodiment of the present application in a first state;

FIG. 3 is an enlarged schematic view of the gap adjusting shim plate assembly provided in FIG. 2 at M;

FIG. 4 is a schematic diagram of a second state of a gap adjusting saucer assembly according to an embodiment of the present application;

fig. 5 is an enlarged schematic structural view of the gap adjusting saucer assembly provided in fig. 4 at the position N.

Reference numerals: 1-a first pad main body, 11-a sliding track, 111-a first point position, 112-a second point position, 113-a slide rail inlet, 2-a second pad main body, 21-a second rolling groove, 3-a shaft ring, 31-an operation part, 32-a first rolling groove, 4-an elastic support part, 5-a rolling body retainer, 51-a support ring, 52-a ball, 6-a bucket and 7-a bucket rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated 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," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather 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 application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

A lash adjustment dolly assembly and an excavator according to some embodiments of the present application will be described with reference to fig. 1 to 5.

Referring to fig. 1 to 5, an embodiment of the present application provides a gap adjustment shim plate assembly including: a first saucer body 1, a second saucer body 2, and an elastic support 4; the first saucer body 1 and the second saucer body 2 are arranged oppositely; elastic support element 4 sets up between first saucer main part 1 and second saucer main part 2, and elastic support element 4's one end is connected with first saucer main part 1, and elastic support element 4's the other end is connected with second saucer main part 2, and elastic support element 4 is used for promoting first saucer main part 1 and second saucer main part 2 and keeps away from each other.

Further, the elastic support 4 may be a compression spring, but is not limited to this, and may also be an elastic member such as a spring plate.

Further, the first saucer body 1 is formed with a sliding rail 11, the sliding rail 11 is "F" shaped, and the sliding rail 11 includes a first point 111 and a second point 112.

Further, the gap adjusting saucer assembly further includes a shaft ring 3, and the shaft ring 3 is disposed between the second saucer body 2 and the elastic support 4.

Further, the collar 3 is formed with an operation portion 31, and the operation portion 31 is toggled, so that the operation portion 31 can be switched between the first point 111 and the second point 112.

The following description will be given taking an example in which the clearance adjustment saucer assembly provided in the present application is applied to fill up a clearance between the excavator bucket 6 and the arm 7, and the clearance adjustment saucer assembly provided in the present application includes: the device comprises a first saucer body 1, a second saucer body 2, a shaft ring 3 and an elastic support 4; the first saucer body 1 and the second saucer body 2 are arranged oppositely, a shaft ring 3 and an elastic support member 4 are clamped between the first saucer body 1 and the second saucer body 2, a sliding rail 11 is formed on the first saucer body 1, the shaft ring 3 can rotate relative to the first saucer body 1 and the second saucer body 2, an operation portion 31 is formed on the shaft ring 3, the operation portion 31 is accommodated in the sliding rail 11, the shaft ring 3 integrally rotates relative to the first saucer body 1 and the second saucer body 2 when the operation portion 31 is applied with force, the operation portion 31 moves from an initial position (namely, a first point position 111) to a predetermined position (a second point position 112), one end of the elastic support member 4 is connected to the shaft ring 3, the other end of the elastic support member 4 is connected to the second saucer body 2, when the operation portion 31 is located at the first point position 111, the elastic support member 4 is in a compression state, and one side edge of the first saucer body 1 departing from the second saucer body 2 and one side departing from the first saucer body 2 are planned The distance between one side edge of the tray body 1 is LA, the distance between the bucket 6 and the arm 7 is L, LA is smaller than L when the elastic support member 4 is in a compressed state, the clearance adjusting tray assembly can be easily installed between the bucket 6 and the arm 7, then the fixing pin shaft penetrates through the bucket 6, the clearance adjusting tray assembly and the bucket 6, after the installation is completed, the operation part 31 is moved to the second point position 112, at the moment, the elastic support member 4 is in a stretching state, in the state, the distance between one side edge of the first tray body 1 departing from the second tray body 2 and one side edge of the second tray body 2 departing from the first tray body 1 is LB, the elastic support member 4 pushes the shaft ring 3 and the second tray body 2 to be away from the first tray body 1, at the moment, LB is equal to L, and the elastic support member 4 makes the first tray body 1 and the second tray body 2 always have a tendency of being away from each other, the first pad main body 1 and the second pad main body 2 can be tightly abutted against the arm 7 and the bucket 6, respectively, and a gap between the bucket 6 and the arm 7 is filled.

It can be seen that the clearance adjustment saucer assembly that this application provided, can easily install between scraper bowl 6 and dipper 7 conveniently, and just can stretch elastic support piece 4 through operation portion 31, and then increase the distance between first saucer main part 1 and the second saucer main part 2, with the distance between filling excavator scraper bowl 6 and the dipper, and elastic support piece 4 possesses the elasticity attribute by itself, can adjust the compression volume according to the cooperation working conditions between scraper bowl 6 and the dipper in the excavator working process, avoid the rigidity friction between this clearance adjustment saucer assembly and scraper bowl 6 or dipper 7, therefore the work of filling the clearance can be undertaken for a long time to this clearance adjustment saucer assembly, the probability of damage is little, avoid the excavator maintenance, change gasket or wear pad, influence the construction progress.

In one embodiment of the present application, preferably, as shown in fig. 1 to 5, the slide rail 11 is provided with a slide rail entrance 113, and the operation portion 31 enters the slide rail 11 through the slide rail entrance 113.

Further, the first saucer body 1, the second saucer body 2, and the collar 3 are all ring-shaped structures.

In this embodiment, the first saucer body 1, the second saucer body 2, and the collar 3 are all ring structures for passing through a fixed pin, and the diameter of the collar 3 is slightly smaller than the diameters of the first saucer body 1 and the second saucer body 2, so that the collar 3 can be located between the first saucer body 1 and the second saucer body 2 at the same time, since the collar 3 and the first saucer body 1 are both rigid ring structures, and the operation portion 31 is higher than the surface of the collar 3, so as to enable the operation of the collar 3 to enter the sliding rail 11, a slide rail inlet 113 is formed in the sliding rail 11, so that the operation portion 31 can enter the sliding rail 11 through the slide rail inlet 113, and switch between the first point 111 and the second point 112.

In one embodiment of the present application, preferably, as shown in fig. 1, a rolling element cage 5 is further included, the rolling element cage 5 being disposed between the second saucer body 2 and the collar 3;

the rolling element cage 5 includes a support ring 51 and balls 52, the number of the balls 52 is at least two, the balls 52 are arranged along the circumferential direction of the support ring 51, and the balls 52 are capable of universal rotation relative to the support ring 51.

Further, a first rolling groove 32 is formed along a circumferential direction of the collar 3 on a side facing the first saucer body 1, and the balls 52 abut on the first rolling groove 32.

Further, a second rolling groove 21 is formed in the second saucer main body 2 on the side facing the collar 3 in the circumferential direction thereof, and the balls 52 abut on the second rolling groove 21. In the embodiment, a pair of the first rolling groove 32 and the second rolling groove 21 is provided for each ball 52.

In this embodiment, when the operation portion 31 of the collar 3 is toggled, the collar 3 is forced to rotate, the balls 52 are simultaneously forced to rotate in the first rolling grooves 32 and the second rolling grooves 21, and the support ring 51 and the first pad main body 1 are stationary, so as to avoid that the first pad main body 1 rotates relative to the bucket 6 when the operation portion 31 is toggled, which causes abrasion between the first pad main body 1 and the bucket 6 or the arm 7.

In one embodiment of the present application, it is preferable that the number of the slip tracks 11 is at least one, the number of the operation portions 31 of the collar 3 is the same as the number of the slip tracks 11, and the slip track 11 corresponding to any one of the operation portions 31 is provided.

In this embodiment, when the number of the sliding rail 11 and the number of the operating portion 31 are one, the gap adjusting saucer assembly can complete gap filling work with the simplest structure;

when the number of the first pad main body 1 and the sliding rails 11 and the number of the operating parts 31 of the shaft ring 3 are two and correspond to each other, the two operating parts 31 are symmetrically arranged on the shaft ring 3 along the diameter direction of the shaft ring 3, and the sliding rails 11 are symmetrically arranged on the first pad main body 1 along the diameter direction of the first pad main body 1, so that a worker can operate the operating parts 31 of the shaft ring 3 from two angles, and the situation that the operating parts 31 are in a hidden position and are difficult to operate after the gap adjusting pad assembly is arranged between the bucket 6 and the bucket rod 7 is avoided;

when the number of the first saucer body 1, the number of the sliding rails 11, and the number of the operating portions 31 of the collar 3 are both plural, the plural operating portions 31 are distributed at intervals in the circumferential direction of the collar 3, the plural sliding rails 11 are distributed at intervals in the circumferential direction of the first saucer body 1, any one of the operating portions 31 is accommodated in the corresponding sliding rail 11, and a worker can operate any one of the operating portions 31 to switch between the first point 111 and the second point 112.

An embodiment of the present application further provides an excavator, including the gap adjustment dolly assembly according to any one of the above embodiments, and therefore, all the advantageous technical effects of the gap adjustment dolly assembly are achieved, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A gap adjustment dolly assembly, comprising: the device comprises a first pad main body, a second pad main body and an elastic supporting piece;

the first pad main body and the second pad main body are arranged oppositely;

2. The lash adjustment pad disc assembly of claim 1, wherein the first pad disc body is formed with a slip track, the slip track being "F" shaped, and the slip track including a first point location and a second point location.

3. The gap adjustment shim tray assembly of claim 2, further comprising a collar disposed between the second shim tray body and the resilient support.

4. The lash adjustment saucer assembly of claim 3, wherein said collar is formed with an operation portion, and said operation portion is toggled, and said operation portion is switchable between said first position and said second position.

5. The lash adjustment pad assembly of claim 4, wherein the glide track is provided with a slide rail entrance through which the operating portion enters the glide track.

6. The gap adjusting shim disc assembly of claim 3, further comprising a rolling element cage disposed between the second shim disc body and the collar;

7. The gap adjusting shim disc assembly of claim 6, wherein a side of the collar facing the first shim disc main body is formed with a first rolling groove along a circumferential direction thereof, the balls abutting against the first rolling groove;

8. The gap adjusting saucer assembly as claimed in claim 3, wherein the number of said slip tracks is at least one, the number of said operation portions of said bearing ring is the same as the number of said slip tracks, and a corresponding said slip track is provided for any one of said operation portions.

9. The lash adjustment shim disc assembly of any one of claims 1 to 7, wherein the resilient support is a compression spring.

10. An excavator comprising the lash adjustment pad assembly of any one of claims 1 to 9, and a bucket and stick;

the clearance adjustment pad assembly is arranged between the bucket and the bucket rod.