CN220580093U - Chain protection frame applied to excavator - Google Patents
Chain protection frame applied to excavator Download PDFInfo
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- CN220580093U CN220580093U CN202322113636.4U CN202322113636U CN220580093U CN 220580093 U CN220580093 U CN 220580093U CN 202322113636 U CN202322113636 U CN 202322113636U CN 220580093 U CN220580093 U CN 220580093U
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- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of excavator parts, in particular to a chain guard frame applied to an excavator, which at least comprises a bottom plate, a rib plate, a first chain guard plate and a second chain guard plate; two first chain guard plates and two second chain guard plates are respectively arranged at two sides of the rib plate at the bottom of the bottom plate, and the two first chain guard plates or the two second chain guard plates at the same side are arranged at intervals in parallel; the first chain guard plate or the second chain guard plate is of an L-shaped structure, the first chain guard plate and the second chain guard plate are symmetrically arranged on two sides of the bottom plate, the first chain guard plate and the second chain guard plate on different chain guard frames can be connected end to form a protective structure for limiting left and right offset of a crawler assembly on a walking part of the excavator.
Description
Technical Field
The utility model relates to the technical field of excavator parts, in particular to a chain guard frame applied to an excavator.
Background
The excavator chain protection device is mainly used for preventing chain ribs on the excavator chain plate from derailing. The chain guard device for the excavator on the market is generally welded by ribs to be capable of limiting the chain ribs when the excavator moves, and the chain guard device is an excavator chain guard disclosed in Chinese patent No. 204370498U. If only one chain protection frame is installed on each side of the crawler belt of the excavator, the chain bar cannot be well guaranteed not to derail, and in order to more effectively prevent the chain bar from derailing in the running process of the excavator, at least a plurality of traditional chain protection frames are required to be installed on one side of the crawler belt of the excavator, so that the installation is complicated.
Another part of the chain guard frames of the excavator in the market, such as the chain guard device of the excavator disclosed in chinese patent CN113022727a, are made of metal materials welded into guardrail type protective frames, and are installed on two sides of the travelling part of the excavator to prevent the chain bars from derailing, but the length dimension of the chain guard frames is fixed, and the design is required according to the peripheral length of the travelling part of the excavator, so that the chain guard with a specific length can only be adapted to one excavator.
To sum up, most conventional excavators need to install a plurality of chain guard frames in order to effectively prevent the chain bar from derailing, which results in complicated installation process and incapability of adjusting the length of the chain guard frames according to the length of the travelling part of the excavator.
Disclosure of Invention
The utility model aims to provide a chain guard frame applied to an excavator, which is beneficial to solving the problems that the existing excavator is excessively complicated in installing the chain guard frame and the length cannot be flexibly adjusted.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a be applied to chain guard frame in excavator, this chain guard frame includes bottom plate, gusset, first chain guard board and second chain guard board at least.
The bottom plate is of a horizontal plate body structure, the bottom of the bottom plate is connected with the rib plates to form a base structure with a T-shaped longitudinal section, and the bottom plate is provided with mounting holes, so that the bottom plate can be mounted on a fixed underframe of a walking component of the excavator.
Two first chain guard plates and two second chain guard plates are respectively arranged at two sides of the rib plate at the bottom of the bottom plate, and the two first chain guard plates or the two second chain guard plates at the same side are arranged at intervals in parallel; the first chain guard plate or the second chain guard plate is of an L-shaped structure, the first chain guard plate and the second chain guard plate are symmetrically arranged on two sides of the bottom plate, and the first chain guard plate and the second chain guard plate on different chain guard frames can be connected end to form a protection structure for limiting left and right deflection of a crawler assembly on a walking part of the excavator.
On the basis of the technical scheme, the mounting holes are threaded holes longitudinally penetrating through the bottom plate, and the mounting holes are matched with bolts to form an assembly locking structure.
On the basis of the technical scheme, the outer side ends of the first chain guard plate and the second chain guard plate are respectively provided with an ear plate, the ear plates are provided with connecting holes, and the ear plates and the connecting holes on the first chain guard plate and the second chain guard plate are arranged in a staggered mode, so that an inserting and stacking structure during assembly is formed.
On the basis of the technical scheme, the first rib plate is arranged on the first guard chain plate and the second guard chain plate, and the first rib plate is connected with two end parts of the first guard chain plate or the second guard chain plate.
On the basis of the technical scheme, the inner side of the first rib plate is provided with a second rib plate which is obliquely arranged, the outer side end of the second rib plate is connected to the center of the first rib plate, and the inner side end of the second rib plate is connected to the corner of the first guard chain plate or the second guard chain plate to form a double-triangle supporting structure.
Compared with the prior art, the utility model at least comprises the following advantages:
compared with most chain guard frames in the market, the chain guard frame has the advantages that the left-right symmetrical chain guard plates are arranged, the derailment range of chain ribs of the protection excavator is enlarged, the protection range of the chain ribs is longer under the condition that the number of the chain guard frames is the same, the first chain guard plates and the second chain guard plates can be used for head-to-tail connection, the purpose that a plurality of chain guard frames in the protection excavator can be randomly selected and connected head-to-tail in sequence is achieved, the walking structure of the excavator with different lengths can be adapted, the structural flexibility is improved, and the assembly requirements of the crawler circumferences of various walking parts of the excavator can be adapted.
Drawings
FIG. 1 is a schematic perspective view of a chain guard in an embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram showing an assembly structure of a chain guard in an embodiment;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of a first rib structure according to an embodiment;
fig. 6 is a schematic structural view of a second rib in an embodiment.
The drawing is marked: 1. a bottom plate; 11. a mounting hole; 2. rib plates; 3. a first link plate; 4. a second link plate; 5. a first rib; 6. a second rib; 7. and a connection hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description is given with reference to the accompanying drawings and the detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Example 1:
referring to fig. 1 and 2, a chain guard frame applied to an excavator comprises a bottom plate 1, a rib plate 2, a first chain guard plate 3 and a second chain guard plate 4.
The bottom plate 1 is of a plate body structure which is horizontally arranged and flat in shape, mounting holes 11 are formed in the left end and the right end of the bottom plate, the outer end face of the bottom plate is used for being in contact with an underframe of an external excavator walking part, the mounting holes 11 are threaded holes which longitudinally penetrate through the bottom plate, and an assembly locking structure is formed by matching bolts. In the concrete implementation process, the bolts and the mounting holes 11 form a locking structure for fixing with the walking component of the excavator. One side of the bottom plate 1 is fixedly connected with a rib plate 2, and a first chain guard plate 3 and a second chain guard plate 4.
The base plate 1 and the rib plates 2 form a base structure with a T-shaped longitudinal section, and the structure is beneficial to improving the structural strength of the base structure, so that the base structure can bear larger moment in the use process and cannot be easily deformed.
Two first guard chain plates 3 and two second guard chain plates 4 are respectively arranged at the front side and the rear side of the rib plate 2 at the bottom of the bottom plate 1, the first guard chain plates 3 or the second guard chain plates 4 are of L-shaped structures, and the two first guard chain plates 3 or the second guard chain plates 4 at the same side are arranged at intervals in parallel; the single first chain guard plate 3 or the second chain guard plate 4 is of an L-shaped structure, the first chain guard plate 3 and the second chain guard plate 4 are symmetrically arranged on two sides of the bottom plate, and the first chain guard plate 3 and the second chain guard plate 4 on different chain guard frames can be connected end to form a protection structure for limiting left and right deflection of a crawler assembly on a walking part of the excavator.
In the concrete implementation process, the inner side end surfaces of the first guard chain plate 3 and the second guard chain plate 4 are used as limiting end surfaces, the track assembly of the walking component of the excavator can be laterally limited in the inner side and the outer side, when the track assembly is subjected to inner and outer position deviation in the walking process, the track assembly can be limited by the clamping positions of the inner side end surfaces of the first guard chain plate 3 and the second guard chain plate 4, and therefore the track assembly cannot excessively deviate to generate the condition that the track falls off from the underframe.
The outer ends of the first guard chain plate 3 and the second guard chain plate 4 are provided with lug plates, the lug plates are provided with connecting holes 7, and the lug plates of the first guard chain plate 3 and the second guard chain plate 4 are matched with each other in appearance and are arranged in a staggered manner in the inside and outside to form an inserting and stacking structure during assembly in combination with figures 2-4. The first chain guard plate 3 of one chain guard frame can be connected with the second chain guard plate 4 of the other chain guard frame through the lug plate and the bolts to form an end-to-end connection structure of the chain guard frames in two excavators, the more the number of the connected chain guard frames is, the larger the circumference of the crawler belt which can be adapted for protection is, the more the number of the chain guard frames can be selected for connection according to the different lengths of the walking parts of the excavators, and compared with the structure of the traditional fixed frame body, the structure has the advantage of being quite flexible.
Example 2:
on the basis of embodiment 1, combine the fig. 5 to show, in order to promote the structural strength of first link plate 3 and second link plate 4, be equipped with first rib plate 5 on first link plate 3 and the second link plate 4, two tip of first link plate 3 or second link plate 4 are protected to first rib plate 5, and this kind of structure makes the "L" type structure of first link plate 3 and second link plate 4 more reliable and more stable, makes it receive transverse effort when the during operation, can avoid bending deformation easily to help guaranteeing protection effect and increase of service life.
Example 3:
on the basis of embodiment 2, as shown in fig. 6, the inner side of the first rib plate 5 is provided with a second rib plate 6 which is obliquely arranged, the outer side end of the second rib plate 6 is connected to the center of the first rib plate 5, the inner side end of the second rib plate 6 is connected to the corner of the first guard plate 3 or the second guard plate 4 to form a double-triangle supporting structure, and the second rib plate 6 is used as an extension secondary reinforcing structure of the first rib plate 5, so that the structural strength of the first guard plate 3 or the second guard plate 4 can be further improved.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. The chain guard frame is applied to an excavator and is characterized by at least comprising a bottom plate (1), a rib plate (2), a first chain guard plate (3) and a second chain guard plate (4);
the bottom plate (1) is of a horizontal plate body structure, the bottom of the bottom plate is connected with the rib plates (2) to form a base structure with a T-shaped longitudinal section, and the bottom plate is provided with mounting holes (11) so that the bottom plate (1) can be mounted on a fixed underframe of a walking component of the excavator;
two first chain guard plates (3) and two second chain guard plates (4) are respectively arranged at two sides of the bottom plate (1) positioned on the rib plate (2), and the two first chain guard plates (3) or the two second chain guard plates (4) at the same side are arranged at intervals in parallel; the single first chain guard plate (3) or the second chain guard plate (4) is of an L-shaped structure, the first chain guard plate (3) and the second chain guard plate (4) are symmetrically arranged on two sides of the bottom plate (1), and the first chain guard plate (3) and the second chain guard plate (4) on different chain guard frames can be connected end to form a protection structure for limiting left and right deflection of a crawler assembly on a walking part of the excavator.
2. The chain guard for an excavator according to claim 1, wherein the mounting holes (11) are threaded holes extending longitudinally through the base plate (1) and are adapted to be bolted to form an assembly locking structure.
3. The chain guard frame applied to the excavator according to claim 1, wherein the outer side ends of the first chain guard plate (3) and the second chain guard plate (4) are respectively provided with an ear plate, the ear plates are provided with connecting holes (7), and the ear plates and the connecting holes (7) on the first chain guard plate (3) and the second chain guard plate (4) are arranged in a staggered mode inside and outside to form an inserting and stacking structure during assembly.
4. The chain guard frame applied to the excavator according to claim 1, wherein the first guard plate (3) and the second guard plate (4) are provided with first rib plates (5), and the first rib plates (5) are connected with two end parts of the first guard plate (3) or the second guard plate (4).
5. The chain guard frame applied to the excavator according to claim 4, wherein a second rib plate (6) which is obliquely arranged is arranged on the inner side of the first rib plate (5), the outer side end of the second rib plate (6) is connected to the center of the first rib plate (5), and the inner side end of the second rib plate (6) is connected to the corner of the first chain guard plate (3) or the second chain guard plate (4) to form a double-triangle supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113636.4U CN220580093U (en) | 2023-08-08 | 2023-08-08 | Chain protection frame applied to excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113636.4U CN220580093U (en) | 2023-08-08 | 2023-08-08 | Chain protection frame applied to excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220580093U true CN220580093U (en) | 2024-03-12 |
Family
ID=90116297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322113636.4U Active CN220580093U (en) | 2023-08-08 | 2023-08-08 | Chain protection frame applied to excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220580093U (en) |
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2023
- 2023-08-08 CN CN202322113636.4U patent/CN220580093U/en active Active
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