CN214028906U - Caterpillar track link assembly and caterpillar track assembly - Google Patents
Caterpillar track link assembly and caterpillar track assembly Download PDFInfo
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- CN214028906U CN214028906U CN202120022002.6U CN202120022002U CN214028906U CN 214028906 U CN214028906 U CN 214028906U CN 202120022002 U CN202120022002 U CN 202120022002U CN 214028906 U CN214028906 U CN 214028906U
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- pin shaft
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Abstract
The utility model relates to an engineering machine tool technical field particularly, relates to a caterpillar link subassembly and track assembly. The caterpillar track section assembly comprises a caterpillar track section body and a connecting piece; the caterpillar link body has the cooperation breach, and the cooperation breach runs through the lateral wall that encloses into the round pin shaft hole, and the both sides wall of cooperation breach is connected respectively to the connecting piece for make the cooperation breach have and be close to each other and the round pin shaft hole contracts the first state, and make the cooperation breach have and keep away from and the open second state in round pin shaft hole. The hinge pin can be easily disassembled, and the hinge pin and the caterpillar track section are ensured to be intact.
Description
Technical Field
The utility model relates to an engineering machine tool technical field particularly, relates to a caterpillar link subassembly and track assembly.
Background
In the prior art, a pin shaft hole of a track pin shaft and a pin shaft hole of a caterpillar track section are in interference fit. When the walking motor or the tensioning device or the guide wheel is replaced, the caterpillar band needs to be disassembled, and the main pin shaft can be pressed out only by means of the pin pressing machine.
Most excavators are used for field operation, pin pressing machines are not used, service engineers usually take out the pin shaft in a baking mode, and the pin shaft hole is enlarged and the pin shaft is shifted out in the baking mode; or directly smashing the pin shaft. The disadvantages of such a disassembly method are that it is laborious and that the pin and the caterpillar link are destroyed.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model includes, for example, provide a caterpillar link subassembly and track assembly, it can easily dismantle the round pin axle, and ensured the intact of round pin axle and caterpillar link.
The embodiment of the utility model discloses a can realize like this:
in a first aspect, an embodiment of the present invention provides a caterpillar link assembly, including:
a caterpillar link body and a connecting piece;
the caterpillar track section body is provided with a matching notch, and the matching notch penetrates through the side wall which is encircled into the pin shaft hole;
the connecting piece is connected respectively the both sides wall of cooperation breach for make the cooperation breach has and is close to each other and the first state that the pinhole takes up to and make the cooperation breach have and keep away from and the open second state in pinhole.
The caterpillar link body of the caterpillar link assembly is provided with a matching notch penetrating to the pin shaft hole, so that the structure for closing and fixing the pin shaft hole is changed into an open mode structure. Therefore, the mode that the pin shaft is in interference fit with the pin shaft hole forcibly in the prior art is changed into the mode that the pin shaft is matched with the open hole, and the assembly mode is simpler and more convenient. And such mode makes the round pin axle can easily dismantle, even do not press the round pin machine and also can easily accomplish. The further connecting piece can enable the matching gap to have a first state that the matching gap is close to each other and the pin shaft hole is contracted, so that the pin shaft and the pin shaft hole can be fastened, and the stable connection of the pin shaft and the pin shaft hole is guaranteed; and the matching notch has a second state of keeping away from and opening the pin shaft hole, and the pin shaft hole can be loosened, so that the pin shaft can be conveniently detached from the pin shaft hole. Such caterpillar link subassembly simple structure, convenient operation can accomplish the dismantlement of round pin axle high-efficiently, and can ensure caterpillar link and round pin axle when dismantling intact.
In an alternative embodiment, the mating indentation extends in a radial direction of the pin shaft bore.
So make the atress of cooperation breach both sides with the radial extension in pin shaft hole, the atress is more even, stable, also can ensure the structure of caterpillar link body and stabilize.
In an alternative embodiment, the engagement notch extends along the length of the tread of the track link;
and two ends of the connecting piece are respectively connected with the tread and the mounting surface on the caterpillar track link for mounting the caterpillar track plate.
The connecting piece realizes a first state that enables the matching gap to keep close and a second state that enables the matching gap to keep far away by fastening the tread and the mounting surface. The setting mode is simple to operate and has outstanding effect.
In an alternative embodiment, the track link has a fitting hole for receiving a nut for connecting a track shoe in an axial direction of the pin shaft hole;
the matching notch is communicated with the matching hole and the pin shaft hole.
The matching notch is communicated with the matching hole and the pin shaft hole, and the matching hole is of a structure possessed by the chain track link in the prior art, so that the matching notch is convenient to modify based on the existing product, and the method is simple and easy to implement and has remarkable economic benefit.
In an alternative embodiment, one end of the link is connected to a track shoe for placement on a mounting surface and the other end of the link is connected to the tread surface.
The connecting piece is used for fastening or loosening the matching notch on one hand, and is also used for connecting the track shoe with the caterpillar track section body on the other hand. The connecting piece has the characteristics of multiple functions and convenience in setting.
In an alternative embodiment, the connector is removably connected to the track link body.
The mode of can dismantling the connection makes connecting piece and caterpillar link body can separately transport, save, also is convenient for simultaneously to the maintenance of connecting piece and/or caterpillar link body, maintenance.
In an alternative embodiment, the end of the connector is threadedly connected to the tread of the track link.
The threaded connection has the characteristics of convenience in processing, outstanding universality and self-locking property.
In an alternative embodiment, the mounting surface is provided with mounting holes and the tread is provided with fastening holes;
one end of the connecting piece is abutted against the mounting surface, and the other end of the connecting piece penetrates through the mounting hole to be in threaded connection with the fastening hole.
The mounting hole is a through hole used for mounting the track shoe in the caterpillar link in the prior art, so that the connecting piece utilizes the structure of the existing product, the processing of the caterpillar link assembly is further simplified, and the caterpillar link assembly has the characteristics of multiple functions and simple structure.
In an alternative embodiment, the end of the connector is flush with the tread of the track link when in the first state.
In an alternative embodiment, the upper and lower surfaces of the mating indentation are flush with each other.
Thus can make things convenient for thereby the visual observation cooperation breach is in which kind of state, be convenient for to the maintenance and the maintenance of caterpillar link subassembly.
In a second aspect, an embodiment of the present invention provides a track assembly, including:
a pin, a track plate, and a plurality of the track link assemblies of any of the preceding embodiments;
the caterpillar track link assemblies correspond to the caterpillar track plates one by one, and the caterpillar track plates are arranged on the installation surfaces of the caterpillar track links;
the pin shaft penetrates through the pin shaft holes of the adjacent caterpillar track sections in sequence.
The utility model discloses beneficial effect includes, for example:
the caterpillar link assembly comprises a caterpillar link body and a connecting piece, wherein the caterpillar link body is provided with a matching notch penetrating through the pin shaft hole, the caterpillar link body is different from a structure for sealing and fixing the pin shaft hole in the prior art, and the connecting mode is an open mode structure. The cooperation of round pin axle and open round pin shaft hole for the assembly methods is simpler, round pin axle can easily be dismantled, even do not press round pin machine also can easily accomplish. The connecting piece enables the matching gap to have a first state, and the pin shaft hole can be fastened at the moment; the second state of cooperation breach can relax the round pin shaft hole, and the round pin axle of being convenient for is pulled down from the round pin shaft hole. The structure has the advantages of convenient operation, convenient and efficient disassembly of the pin shaft, capability of ensuring the complete structure of the caterpillar track section and the pin shaft, and remarkable economic benefit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a caterpillar link assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another perspective of a track link assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a track assembly (including a track link assembly) according to an embodiment of the present invention;
fig. 4 is a schematic structural view of another perspective of a track assembly (including a track link assembly) according to an embodiment of the present invention.
Icon: 10-a track link assembly; 100-a track link body; 110-pin shaft holes; 120-a mating notch; 130-mating holes; 140-tread; 141-fastening holes; 150-a mounting surface; 151-mounting holes; 200-a connector; 20-a track assembly; 21-a pin shaft; 22-a track shoe; 23-mounting bolts; 24-mounting the nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
In the prior art, the crawler belt is in interference fit with a pin shaft hole of a caterpillar track joint through a pin shaft, so that the connection between a crawler plate and the caterpillar track joint is realized.
When the engineering machinery is maintained, the track needs to be disassembled when a walking motor or a tensioning device or a guide wheel is replaced, and the main pin shaft can be pressed out by a pin pressing machine, so that the track plate can be separated from the caterpillar track section.
However, most excavators are operated in the field, and generally the pin pressing machine cannot be prepared, and the service engineer can only disassemble the excavator in the following way:
1. the pin shaft is taken out in a baking mode, and the pin shaft hole is enlarged and the pin shaft is stretched out frequently in the baking mode;
2. or directly smashing the pin shaft.
The disassembling mode not only wastes time and labor, but also causes the damage of the pin shaft and the caterpillar track section.
To overcome the above technical problems, the following embodiments provide a track link assembly and a track assembly.
Referring to fig. 1, the present embodiment provides a track link assembly 10, which includes a track link body 100 and a connecting member 200.
The caterpillar link body 100 is provided with a matching notch 120, and the matching notch 120 penetrates through the side wall which is enclosed to form the pin shaft hole 110;
the connection members 200 are respectively connected to both sidewalls of the fitting notch 120 for allowing the fitting notch 120 to have a first state in which they are close to each other and the pin hole 110 is contracted, and allowing the fitting notch 120 to have a second state in which they are kept away and the pin hole 110 is opened.
The track link body 100 of the track link assembly 10 has a mating notch 120 extending through the pin shaft aperture 110, thus changing the closed, fixed configuration of the pin shaft aperture 110 to an open configuration. Therefore, the mode that the pin shaft 21 is in interference fit with the pin shaft hole 110 in the prior art is changed into the mode that the pin shaft 21 is matched with the open hole, and the assembly mode is simpler and more convenient. And in such a manner that the pin shaft 21 can be easily disassembled even without a pin press.
The further connecting piece 200 can enable the matching notches 120 to have a first state that the matching notches are close to each other and the pin shaft hole 110 is contracted, so that the pin shaft 21 and the pin shaft hole 110 can be fastened, and the stable connection of the pin shaft 21 and the pin shaft hole 110 is guaranteed; and a second state in which the engagement notch 120 is kept away and the pin shaft hole 110 is opened, in which the pin shaft hole 110 can be loosened to facilitate the removal of the pin shaft 21 from the pin shaft hole 110. Therefore, the problems that the pin shaft 21 is time-consuming and labor-consuming to disassemble and the caterpillar track section and the pin shaft 21 are damaged in the prior art are solved.
As can be seen from the figure, the track link body 100 includes a pin shaft hole 110, two fitting holes 130 for placing the mounting nut 24, and a secondary hole, which are arranged in sequence, along the plane direction of the pin shaft hole 110. The track link body 100 has a mounting surface 150 and a tread surface 140 in the height direction. Mounting bolts 23 cooperate with mounting nuts 24 to position track plate 22 on mounting surface 150.
Please continue to refer to fig. 1-4 for further structural details of the track link assembly 10.
In the present embodiment of the present invention, the fitting notch 120 extends in the radial direction of the pin shaft hole 110.
Therefore, the stress on the two sides of the matching notch 120 extends in the radial direction of the pin shaft hole 110, the stress is more uniform and stable, and the stable structure of the caterpillar track link body 100 can be ensured.
It is understood that, in other embodiments of the present invention, the engagement notch 120 does not extend in the radial direction, as long as the engagement notch 120 can penetrate to the pin shaft hole 110 to open the circumference of the pin shaft hole 110, which is merely an example and is not limited thereto.
Further, in this embodiment, the engagement notch 120 extends along the length of the tread 140 of the track link; the two ends of the connecting member 200 are connected to the tread 140 and the mounting surface 150 of the track link for mounting the track plate 22.
The connector 200 achieves a first state of bringing the fitting notches 120 close and a second state of keeping the fitting notches 120 away by tightening the tread 140 and the mounting surface 150. The setting mode is simple to operate and has outstanding effect.
That is, the engagement notch 120 is along the radial direction of the pin shaft hole 110 and is the same as the length direction of the tread 140, so that the tread 140 extends in the same direction as the engagement notch 120. Since the mounting surface 150 is disposed opposite to the tread surface 140, the fitting notches 120 can be brought close to each other by simply fastening the mounting surface 150 to the tread surface 140, and the first state can be achieved.
Further, in the present embodiment of the present invention, the track link has a fitting hole 130 for placing a nut for connecting the track shoe 22 along the axial direction of the pin shaft hole 110; the mating notches 120 communicate the mating bore 130 with the pin bore 110.
The fitting notch 120 communicates the fitting hole 130 with the pin shaft hole 110, and since the fitting hole 130 is a structure possessed by the link in the prior art, the fitting notch 120 is convenient to modify based on the existing product, is simple and easy to implement, and has remarkable economic benefits.
It should be noted that, in other embodiments of the present invention, the fitting notch 120 may extend away from the fitting hole 130, as long as the connecting member 200 can fasten the fitting notch 120 or loosen the fitting notch 120, which is merely an example.
In the present embodiment of the present invention, one end of the connecting member 200 is connected to the track shoe 22 disposed on the mounting surface 150, and the other end of the connecting member 200 is connected to the tread 140.
The connector 200 is used to tighten or loosen the mating notch 120 on the one hand, and the connector 200 is also used to connect the track plate 22 with the track link body 100 on the other hand. Thus, the connecting member 200 has the characteristics of multiple functions and convenience in arrangement.
Further, in the present embodiment of the present invention, the connecting member 200 is detachably connected to the track link body 100. The detachable connection enables the connection member 200 and the track link body 100 to be transported and stored separately, and also facilitates maintenance of the connection member 200 and/or the track link body 100.
Alternatively, in this embodiment, the end of the connector 200 is threaded onto the tread 140 of the track link. The threaded connection has the characteristics of convenience in processing, outstanding universality and self-locking property.
Further, in the present embodiment, the mounting surface 150 is provided with a mounting hole 151, and the tread 140 is provided with a fastening hole 141; one end of the connector 200 is abutted against the mounting surface 150, and the other end of the connector 200 is inserted into the mounting hole 151 and is in threaded connection with the fastening hole 141.
The mounting hole 151 is a through hole for mounting the track shoe 22 in the track link of the prior art, so that the connecting member 200 utilizes the structure of the prior art, further simplifies the processing of the track link assembly 10, and has the characteristics of multiple functions and simplified structure.
Alternatively, the connector 200 is a screw.
It can be understood that, in this embodiment, the external thread of the connecting member 200 is in threaded engagement with the internal thread of the fastening hole 141, and in other embodiments of the present invention, the mounting hole 151 may also be provided with an internal thread, and the connecting member 200 is in threaded engagement with the fastening hole 141 and the mounting hole 151, respectively.
Further, it is an example that the connection member 200 is a screw structure, and may be other structures provided at the track link, such as a screw rod, a latch, etc., as long as the connection member 200 can tighten the fitting notch 120 or loosen the fitting notch 120.
Alternatively, in this embodiment, the end of the connector 200 is flush with the tread 140 of the track link when in the first state. Therefore, the interference of the connecting piece 200 extending out of the tread 140 to structures such as a driving device of the excavator is avoided.
As can be seen from the figures, in the present embodiment of the present invention, the upper surface and the lower surface of the fitting notch 120 are flush with each other. This can facilitate the visual observation of which state the mating notch 120 is in, facilitating the maintenance and upkeep of the track link assembly 10.
When the caterpillar track section mounting structure is used, one side of the caterpillar track section mounting main pin shaft 21 is provided with a rectangular notch, and a fastening hole 141 (provided with internal threads) is drilled in the caterpillar track section tread 140. The connector 200 has one end bolted to the shoe 22 on the mounting surface 150 and the other end connected to the tread 140 of the track link and threadedly engaged with the fastener bore 141. The bolts do not protrude beyond the surface of the tread 140 and remain nearly flush.
When the crawler belt needs to be disassembled, the bolts are loosened; when the crawler belt is installed, the bolt is screwed.
In a second aspect, embodiments of the present invention provide a track assembly 20 comprising a pin 21, a track plate 22, and a plurality of the track link assemblies 10 of any of the preceding embodiments;
the track link assemblies 10 correspond to the track shoes 22 one to one, and the track shoes 22 are arranged on the mounting surface 150 of the track links; the pin shaft 21 is sequentially inserted through the pin shaft holes 110 of the adjacent caterpillar links.
To sum up, the embodiment of the utility model provides a caterpillar link subassembly 10 and track assembly 20 have following advantage at least:
(1) when the walking motor or the tensioning device or the guide wheel is replaced, the crawler belt is convenient to disassemble;
(2) the main pin shaft 21 is convenient to disassemble;
(3) the pin 21 and the caterpillar link are kept intact during disassembly, and the main pin 21 can be reused.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A track link assembly, comprising:
a track link body (100) and a connector (200);
the caterpillar track section body (100) is provided with a matching notch (120), and the matching notch (120) penetrates through the side wall which is enclosed into a pin shaft hole (110);
the connecting pieces (200) are respectively connected with two side walls of the matching notch (120) and used for enabling the matching notch (120) to have a first state that the matching notch is close to each other and the pin shaft hole (110) is contracted and enabling the matching notch (120) to have a second state that the matching notch (120) is kept away and the pin shaft hole (110) is opened.
2. The track link assembly of claim 1 wherein:
the fitting notch (120) extends in a radial direction of the pin shaft hole (110).
3. The track link assembly of claim 1 wherein:
the matching notch (120) extends along the length direction of the tread (140) of the caterpillar track section;
and two ends of the connecting piece (200) are respectively connected with the tread (140) and a mounting surface (150) on the caterpillar track link for mounting the track plate (22).
4. The track link assembly of claim 3 wherein:
along the axial direction of the pin shaft hole (110), the caterpillar link is provided with a matching hole (130) for placing a nut connected with the track plate (22);
the matching notch (120) is communicated with the matching hole (130) and the pin shaft hole (110).
5. The track link assembly of claim 3 wherein:
one end of the connecting piece (200) is connected with a track shoe (22) arranged on the mounting surface (150), and the other end of the connecting piece (200) is connected with the tread (140).
6. The track link assembly of claim 3 wherein:
the connecting piece (200) is detachably connected with the caterpillar track section body (100).
7. The track link assembly of claim 6 wherein:
the end of the connecting piece (200) is in threaded connection with the tread (140) of the caterpillar link.
8. The track link assembly of claim 7 wherein:
the mounting surface (150) is provided with a mounting hole (151), and the tread (140) is provided with a fastening hole (141);
one end of the connecting piece (200) is abutted against the mounting surface (150), and the other end of the connecting piece (200) penetrates through the mounting hole (151) to be in threaded connection with the fastening hole (141).
9. The track link assembly of claim 1 wherein:
when in the first state, the end of the connector (200) is flush with the tread (140) of the track link.
10. A track assembly, comprising:
a pin (21), a track plate (22) and a plurality of the track link assemblies of any one of claims 1-9;
the caterpillar link assemblies correspond to the caterpillar boards (22) one by one, and the caterpillar boards (22) are arranged on the caterpillar link installation surface (150);
the pin shaft (21) sequentially penetrates through the pin shaft holes (110) of the adjacent caterpillar track sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120022002.6U CN214028906U (en) | 2021-01-06 | 2021-01-06 | Caterpillar track link assembly and caterpillar track assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120022002.6U CN214028906U (en) | 2021-01-06 | 2021-01-06 | Caterpillar track link assembly and caterpillar track assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214028906U true CN214028906U (en) | 2021-08-24 |
Family
ID=77346170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120022002.6U Active CN214028906U (en) | 2021-01-06 | 2021-01-06 | Caterpillar track link assembly and caterpillar track assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214028906U (en) |
-
2021
- 2021-01-06 CN CN202120022002.6U patent/CN214028906U/en active Active
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