Chain protection frame applied to excavator

Abstract

The utility model discloses a chain protection frame applied to an excavator, and relates to the technical field of excavator parts. The chain protection frame applied to the excavator comprises a connecting assembly, the outer surface of the connecting assembly is fixedly connected with a protection assembly, the lower surface of the protection assembly is provided with a square groove, and the interior of the square groove is fixedly connected with an expansion assembly. And meanwhile, when a plurality of chain protection frames need to be connected, the connecting plates can be tightly attached, and then a second bolt penetrates through a hole groove for connection, so that the integrity is improved, and the situation that gaps exist between the chain protection frames, sundries enter the chain protection frames, and consequently the performance and the service life of equipment are affected is avoided. And the filling plate is arranged in the square groove to be fixed, so that the connection tightness of the filling plate and the side plate can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator component technical field, concretely is a kind of chain guard frame applied to excavator. BACKGROUND

[0002] Chain guard frame is the important component of excavator, mainly for protecting chain and track system from the influence of external obstacles and soil, while providing support and orientation for chain, it is made of solid metal material, usually provided with baffle and side plate, can effectively prevent sundries into chain area, reduce wear and failure.

[0003] The chain guard frame in prior art is mostly individual, for large excavator, usually one row of chain guard frame is arranged on both sides to provide more comprehensive protection, at this time, chain guard frame is mostly single independent fixing, without connection between each other, for the connection gap possibly existing between chain guard frame, sundries is easy to enter, thereby affecting the performance and life of equipment, at the same time, the contact area of side plate and track is small, leading to limited supporting force, and it leads to the friction between track and side plate is larger, which can accelerate the wear of side plate and track.

[0004] Therefore, the utility model provides a chain guard frame applied to excavator to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides a chain guard frame applied to excavator, which solves the problems proposed in the above background art.

[0006] To achieve the above object, the utility model is implemented by the following technical scheme: a chain guard frame applied to excavator, comprising connecting assembly, the outer surface of connecting assembly is fixedly connected with protection assembly, the lower surface of protection assembly is provided with square groove, the inside of square groove is fixedly connected with expansion assembly.

[0007] The connecting assembly includes connecting block, the outer surface of connecting block is fixedly connected on one side of the upper surface of protection assembly, the upper surface of connecting block is fixedly connected with connecting plate, the outer side of connecting plate is fixedly connected with baffle, the inner side of baffle is fixedly connected with reinforcing plate.

[0008] The further improvement of the utility model technical scheme is that: the protection assembly includes side plate, recess is arranged on both sides of the upper surface of side plate, the inside of recess is fixedly connected on the outer surface of connecting block, anticorrosive layer is laid on the outer side of side plate, wear-resistant layer is laid on the outer side of anticorrosive layer.

[0009] The further improvement in the utility model technical scheme lies in that: the expansion assembly comprises a filling plate, the outer surface of the filling plate is fixedly connected to the inside of the square groove, the outer side of the filling plate is fixedly connected with an extension plate, one end of the extension plate is fixedly connected with a first clamping block, the other side of the extension plate is fixedly connected with a second clamping block.

[0010] The further improvement in the utility model technical scheme lies in that: the upper surfaces of the first clamping block and the second clamping block are both provided with screw holes, and the structures of the first clamping block and the second clamping block are matched.

[0011] The further improvement in the utility model technical scheme lies in that: the upper surface of the connecting plate is provided with a circular groove on both sides, and the outer sides of the baffle are both provided with a hole groove.

[0012] The further improvement in the utility model technical scheme lies in that: the number of the connecting assembly, the protection assembly and the expansion assembly is both two, and they are both symmetrically arranged.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The connecting assembly is arranged, the baffle is arranged on the outer side of the connecting plate, the chain is protected, the soil and other sundries are prevented from entering, when a plurality of chain protection frames need to be connected, the connecting plate can be closely attached, a second bolt is additionally arranged to pass through the hole groove to be connected, the integrity is improved, the gap between the chain protection frames is avoided, the sundries are prevented from entering, and the performance and the service life of the equipment are affected.

[0015] 2. The expansion assembly is arranged, the filling plate is arranged in the square groove and is fixed, the fastening of the filling plate and the side plate is improved, the first clamping block and the second clamping block arranged on the two chain protection frames are overlapped, the plurality of chain protection frames are conveniently connected through the screw holes, the tightness between the plurality of chain protection frames is further improved, the extension plate is arranged to expand the contact area of the side plate and the track, the supporting force is improved, the friction between the track and the side plate is reduced, and the abrasion is reduced. DRAWINGS

[0016] Figure 1 It is a structure schematic view of the chain protection frame applied to the excavator;

[0017] Figure 2 It is an overall assembly structure schematic view of the chain protection frame applied to the excavator;

[0018] Figure 3 It is a structure schematic view of the baffle in the chain protection frame applied to the excavator;

[0019] Figure 4 It is a plane structure schematic view of the side plate in the chain protection frame applied to the excavator;

[0020] Figure 5 Structure diagram of extension plate applied to chain guard frame of excavator.

[0021] In the figure: 1, connecting block; 2, connecting plate; 3, baffle; 4, reinforcing plate; 5, side plate; 6, corrosion-resistant layer; 7, wear-resistant layer; 8, filling plate; 9, extension plate; 10, first clamping block; 11, second clamping block; 12, screw hole; 13, circular groove; 14, hole groove. DETAILED DESCRIPTION

[0022] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numbers in the drawings represent elements or components having the same function or similar functions. Although various aspects of the embodiments are illustrated in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0023] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0024] In addition, for a better illustration of the present application, a large number of specific details are given in the following specific embodiments. Those skilled in the art should understand that without certain specific details, the present application can also be implemented. In some examples, methods, means, elements well known to those skilled in the art are not described in detail, in order to highlight the main idea of the present application.

[0025] Referring to Figures 1-5 The utility model provides 3 technical schemes:

[0026] Embodiment one:

[0027] A chain guard frame applied to an excavator, comprising a connecting assembly, a protective assembly is fixedly connected to the outer surface of the connecting assembly, a square groove is formed in the lower surface of the protective assembly, and an expansion assembly is fixedly connected inside the square groove;

[0028] The connecting assembly comprises a connecting block 1, the outer surface of the connecting block 1 is fixedly connected to one side of the upper surface of the protection assembly, the upper surface of the connecting block 1 is fixedly connected with a connecting plate 2, the outer side of the connecting plate 2 is fixedly connected with a baffle 3, the inner side of the baffle 3 is fixedly connected with a reinforcing plate 4, the circular groove 13 is arranged to fix the connecting plate 2 with the excavator, so that the whole device is connected with the excavator, the connecting block 1 is fixed in the groove above the side plate 5, the stability of the connection between the connecting plate 2 and the side plate 5 is ensured, and the reinforcing plate 4 connects the connecting plate 2 and the baffle 3, the strength of the connection between the two is improved, the stress is ensured, the baffle 3 is arranged on the outer side of the connecting plate 2 to protect the chain and prevent soil and other sundries from entering, and when it is necessary to connect multiple chain guard frames, the connecting plate 2 can be tightly attached, and a second bolt is additionally provided to pass through the hole slot 14 to be connected, the integrity is improved, and then the gap between the chain guard frames is avoided, so that sundries enter, thereby affecting the performance and service life of the equipment.

[0029] Embodiment two:

[0030] On the basis of embodiment one:

[0031] The protection assembly comprises a side plate 5, recesses are arranged on both sides of the upper surface of the side plate 5, the recesses are fixedly connected to the outer surface of the connecting block 1, a corrosion-resistant layer 6 is arranged on the outer side of the side plate 5, and a wear-resistant layer 7 is arranged on the outer side of the corrosion-resistant layer 6, the side plate 5 can effectively support the structure of the chain guard frame and improve the stability, and at the same time, the soil and sundries are prevented from entering the chain area, thereby protecting the chain, the corrosion-resistant layer 6 is a zinc coating, which can effectively prevent water, oxygen and chemicals from contacting the metal, thereby reducing corrosion and prolonging the service life of the equipment, and the wear-resistant layer 7 can enhance the wear resistance of the side plate 5, prevent scratches and wear under high-strength working conditions, and improve the overall structural strength.

[0032] The expansion assembly comprises a filling plate 8, the outer surface of the filling plate 8 is fixedly connected to the inside of the square groove, the outer side of the filling plate 8 is fixedly connected with an extension plate 9, one end of the extension plate 9 is fixedly connected with a first clamping block 10, and the other side of the extension plate 9 is fixedly connected with a second clamping block 11, the filling plate 8 is arranged in the square groove to be fixed, the fastening of the filling plate 8 and the side plate 5 is improved, the first clamping block 10 and the second clamping block 11 arranged on the two chain guard frames are overlapped, a threaded bolt is used to pass through the hole slot 14 to be connected, the tightness of the connection between the multiple chain guard frames is further improved, the extension plate 9 is used to expand the contact area of the side plate 5 and the track, thereby improving the supporting force, and at the same time, the friction between the track and the side plate 5 is reduced, and the wear is reduced.

[0033] The upper surface of the first clamping block 10 and the second clamping block 11 is provided with a threaded hole 12, the structure of the first clamping block 10 and the second clamping block 11 is matched, the first clamping block 10 overlaps the second clamping block 11, and the threaded holes 12 correspond to each other, so that the plurality of chain guard frames can be connected through the threaded holes 12, the integrity and stability of the connection between the plurality of chain guard frames are facilitated, and the support strength is guaranteed.

[0034] The upper surface of the connecting plate 2 is provided with a circular groove 13 on both sides, and the outer side of the baffle 3 is provided with a hole groove 14 on both sides. The circular groove 13 is arranged to facilitate the fixation of the connecting plate 2 and the excavator, and the hole groove 14 is arranged to facilitate the connection of the plurality of baffles 3. The plurality of chain guard frames are connected, the tightness of the connection between the chain guard frames is improved, and the existence of gaps between them is avoided, so that foreign matters cannot enter.

[0035] The number of the connecting assembly, the protection assembly and the expansion assembly is two, and they are symmetrically arranged. The connecting assembly is horizontally arranged and fixed on the front and rear sides of the carrier roller. The protection assembly is vertically arranged and fixed on the left and right sides of the carrier roller. The expansion assembly is arranged outside the protection assembly to increase the area of the protection assembly contacting the track below.

[0036] Example three:

[0037] On the basis of example one and example two:

[0038] First, another first bolt is arranged to pass through the circular groove 13 to fix the connecting plate 2 and the excavator, so as to connect the whole device and the excavator. Then, the baffle 3 is arranged outside the connecting plate 2. When the plurality of chain guard frames need to be connected, the connecting plate 2 can be tightly attached. Then, another second bolt is arranged to pass through the hole groove 14 to connect the plurality of chain guard frames, so as to improve the tightness of the connection between the plurality of chain guard frames. In addition, the side plate 5 can effectively support the structure of the chain guard frame. The corrosion-resistant layer 6 is a zinc coating, so as to reduce the occurrence of corrosion. The wear-resistant layer 7 facilitates the wear resistance of the side plate 5. Finally, the filling plate 8 is arranged inside the square groove to be fixed, so as to increase the fastening of the connection between the filling plate 8 and the side plate 5. The first clamping block 10 and the second clamping block 11 arranged on the two chain guard frames are overlapped, a threaded bolt is arranged to pass through the hole groove 14 to connect the plurality of chain guard frames, so as to further improve the tightness of the connection between the plurality of chain guard frames. Then, the extension plate 9 is arranged to expand the contact area between the side plate 5 and the track, so as to further improve the support force.

[0039] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A chain guard frame for an excavator comprising a connecting assembly characterised in that: The outer surface of the connecting assembly is fixedly connected with a protection assembly, a square groove is arranged on the lower surface of the protection assembly, and an expansion assembly is fixedly connected in the square groove; The connecting assembly comprises a connecting block (1), the outer surface of the connecting block (1) is fixedly connected to one side of the upper surface of the protection assembly, the upper surface of the connecting block (1) is fixedly connected with a connecting plate (2), the outer side of the connecting plate (2) is fixedly connected with a baffle (3), and the inner side of the baffle (3) is fixedly connected with a reinforcing plate (4).

2. The chain guard frame for use in an excavator according to claim 1, characterized in that: The protection assembly comprises a side plate (5), recesses are arranged on the two sides of the upper surface of the side plate (5), the outer surface of the connecting block (1) is fixedly connected in the recesses, the outer side of the side plate (5) is paved with a corrosion-resistant layer (6), and the outer side of the corrosion-resistant layer (6) is paved with a wear-resistant layer (7).

3. The chain guard frame for use in an excavator according to claim 1, characterized in that: The expansion assembly comprises a filling plate (8), the outer surface of the filling plate (8) is fixedly connected in the square groove, the outer side of the filling plate (8) is fixedly connected with an extension plate (9), one end of the extension plate (9) is fixedly connected with a first clamping block (10), and the other side of the extension plate (9) is fixedly connected with a second clamping block (11).

4. The chain guard frame for use in an excavator according to claim 3, characterized in that: Screw holes (12) are arranged on the upper surfaces of the first clamping block (10) and the second clamping block (11), and the structures of the first clamping block (10) and the second clamping block (11) are matched.

5. The chain guard frame for use in an excavator according to claim 1, characterized in that: Round grooves (13) are arranged on the two sides of the upper surface of the connecting plate (2), and hole grooves (14) are arranged on the two sides of the outer side of the baffle (3).

6. The chain guard frame for use in an excavator according to claim 1, characterized in that: The number of the connecting assembly, the protection assembly and the expansion assembly is two, and they are symmetrically arranged.

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