Walking frame of excavator
The modular design of the excavator's traveling frame solves the wear and corrosion problems caused by the integral design, enabling quick disassembly and maintenance, facilitating regular replacement, and improving maintenance efficiency and equipment lifespan.
Patent Information
- Application Number
- CN202422711425.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-07
AI Technical Summary
The existing excavator travel frame is a one-piece design, which leads to frequent wear and corrosion, requiring the entire frame to be replaced, making maintenance inconvenient.
It adopts a modular design, including components such as excavator base frame, walking frame, connecting plate, bolts, fastening nuts, and lifting rings, which can be quickly disassembled and replaced through threaded connection and positioning snap-fit.
It enables quick disassembly and maintenance of the traveling frame, facilitates regular replacement, and improves maintenance efficiency and equipment lifespan.
Smart Images

Figure CN223647131U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to excavator parts technical field, concretely is a kind of excavator walking frame. BACKGROUND
[0002] In contemporary, civil engineering class's aspect almost all use excavator, excavator can excavate building and workshop foundation, excavate soil material, strip mining field cover layer, quarry, tunnel, underground workshop and loading operation in stockyard, excavate channel canal and dredge waterway, replace working device and can carry out pouring, hoisting, installation, piling, ramming, wherein excavator walking frame is the support base of entire machine, to support the weight of all mechanisms and components, withstand the load generated in the working process of excavator, and make excavator can walk important component.
[0003] Chinese patent with the publication number CN216108721U discloses a kind of excavator walking frame, but the above-mentioned patent still has certain deficiency when using, excavator walking frame is integrally designed, since walking frame is in the use process, prone to wear or corrosion phenomenon, needs to be replaced and maintained periodically, but the above-mentioned walking frame is integrally replaced and needs to be replaced in a complete set, it is inconvenient to replace and maintain work of excavator walking frame, therefore, the technical personnel in the art provides a kind of excavator walking frame to solve the problems raised in the above-mentioned background technology. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of excavator walking frame to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of excavator walking frame, including excavator base frame, the front end of the excavator base frame is fixedly connected with two first connecting plates, the front of the excavator base frame is equipped with walking frame, the back of the walking frame is fixedly connected with two second connecting plates, the front surface of each first connecting plate and the front surface of second connecting plate are all set up two groups of connecting holes, the front of each second connecting plate is all equipped with two groups of mounting bolts, the rear end of each mounting bolt is sequentially penetrated two connecting holes and is screw-threaded connection with fastening nut, the left end inner wall of the walking frame is hinged with supporting wheel by pin shaft, the right end outer surface of the walking frame is fixedly connected with drive mounting seat, the inner wall of the drive mounting seat is set up a group of mounting holes, the upper surface of the walking frame is fixedly connected with two lifting rings.
[0007] As the further scheme of the utility model: the front surface of each first connecting plate is fixedly connected with damping pad, the front surface of each damping pad is in contact with the back of second connecting plate.
[0008] As a further scheme of the utility model: the right end outer surface of the walking frame is fixedly connected with a protective cover plate through two screws.
[0009] As a further scheme of the utility model: the front surface of the walking frame is fixedly connected with a reinforcing plate, and the reinforcing plate is located at the middle part of the walking frame.
[0010] As a further scheme of the utility model: the upper surface of the walking frame is fixedly connected with a model mark, and the model mark is located at the middle part of the walking frame.
[0011] As a further scheme of the utility model: the front surface of the two first connecting plates and the front surface of the excavator base frame are jointly provided with two limiting grooves, the inner wall of each limiting groove is clamped with a positioning column, and the front end of each positioning column is fixedly connected with the back surface of the second connecting plate.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The excavator walking frame is provided with an excavator base frame, a walking frame, a lifting ring, a first connecting plate, a second connecting plate, a damping pad, a mounting bolt, a fastening nut, a limiting groove and a positioning column, the walking frame can be conveniently lifted through the lifting ring and positioned and clamped, and through cooperation of the first connecting plate, the second connecting plate, the damping pad, the mounting bolt and the fastening nut, the walking frame can be butt-jointed and bolted with the excavator base frame, so that the walking frame can be quickly disassembled, replaced and maintained. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a kind of excavator walking frame's whole three-dimensional structure schematic diagram;
[0015] Fig. 2 It is the rear view of a kind of excavator walking frame in walking frame;
[0016] Fig. 3 It is the sectional view of the plan view of a kind of excavator walking frame in walking frame;
[0017] Fig. 4 It is the sectional view of the side view of a kind of excavator walking frame in walking frame.
[0018] In the drawing: 1, excavator base frame;2, first connecting plate;3, mounting bolt;4, supporting wheel;5, second connecting plate;6, walking frame;7, model mark;8, reinforcing plate;9, lifting ring;10, screw;11, protective cover plate;12, drive mounting seat;13, mounting hole;14, fastening nut;15, positioning column;16, limiting groove;17, connecting hole;18, damping pad. DETAILED DESCRIPTION
[0019] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0020] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0021] Please refer to Figs. 1-4 In the utility model embodiment, a walking frame of excavator, including excavator base frame 1, excavator base frame 1's front end is fixedly connected with two first connecting plates 2, and the front of excavator base frame 1 is equipped with walking frame 6, and the back of walking frame 6 is fixedly connected with two second connecting plates 5, the front of each first connecting plate 2 and the front of second connecting plate 5 are all equipped with two groups of connecting holes 17, the front of each second connecting plate 5 is all equipped with two groups of mounting bolts 3, the rear end of each mounting bolt 3 is sequentially penetrated through two connecting holes 17 and is screw-threadedly connected with fastening nut 14, the left end inner wall of walking frame 6 is hingedly connected with carrier roller 4 through pin shaft, the right end outer surface of walking frame 6 is fixedly connected with drive mounting seat 12, the inner wall of drive mounting seat 12 is equipped with one group of mounting holes 13, and the upper surface of walking frame 6 is fixedly connected with two lifting rings 9.
[0022] The front surface of each first connecting plate 2 is fixedly connected with a damping pad 18, the front surface of each damping pad 18 is in contact with the back surface of the second connecting plate 5, the stability of the connection between the first connecting plate 2 and the second connecting plate 5 can be increased, the stable connection between the excavator base frame 1 and the walking frame 6 is facilitated, and the outer surface of the right end of the walking frame 6 is fixedly connected with a protective cover plate 11 through two screws 10, so that the driving machine can be externally protected and collision damage is avoided.
[0023] The front surface of the walking frame 6 is fixedly connected with a reinforcing plate 8, the reinforcing plate 8 is located at the middle part of the walking frame 6, the overall strength of the walking frame 6 can be increased, the stable use of the walking frame 6 is facilitated, the upper surface of the walking frame 6 is fixedly connected with a model mark 7, the model mark 7 is located at the middle part of the walking frame 6, the model of the walking frame 6 can be described, the installation personnel can understand the walking frame 6, and the front surfaces of the two first connecting plates 2 and the front surface of the excavator base frame 1 are jointly provided with two limiting grooves 16, the inner wall of each limiting groove 16 is clamped with a positioning column 15, and the front end of each positioning column 15 is fixedly connected with the back surface of the second connecting plate 5, so that the walking frame 6 can be positioned, and the installation operation of the walking frame 6 is facilitated.
[0024] The working principle of the utility model is: in use, first, the hoisting equipment is used to hoist the walking frame 6 through the hoisting ring 9, the positioning column 15 is clamped into the limiting groove 16, the walking frame 6 and the excavator base frame 1 are aligned and butt-jointed, then the first connecting plate 2 and the second connecting plate 5 are aligned, the mounting bolt 3 is inserted into the connecting hole 17 and then is screwed and connected with the fastening nut 14, the bolt fixing and installation of the excavator base frame 1 and the walking frame 6 are realized, the assembly work of the walking frame 6 is completed, and then the excavator is used to walk.
[0025] The above describes only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. For those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.
[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. An undercarriage of a excavator comprising a base frame (1) of the excavator, characterized in that, The front end of the excavator base frame (1) is fixedly connected with two first connecting plates (2), the front of the excavator base frame (1) is provided with a walking frame (6), the back surface of the walking frame (6) is fixedly connected with two second connecting plates (5), the front surface of each first connecting plate (2) and the front surface of each second connecting plate (5) are provided with two groups of connecting holes (17), the front of each second connecting plate (5) is provided with two groups of mounting bolts (3), the rear end of each mounting bolt (3) is sequentially threaded through two connecting holes (17) and is screw-connected with a fastening nut (14), the left end inner wall of the walking frame (6) is hingedly connected with a carrier roller (4) through a pin shaft, the right end outer surface of the walking frame (6) is fixedly connected with a driving mounting seat (12), the inner wall of the driving mounting seat (12) is provided with a group of mounting holes (13), the upper surface of the walking frame (6) is fixedly connected with two lifting rings (9).
2. The walking frame of claim 1, wherein, The front surface of each first connecting plate (2) is fixedly connected with a damping pad (18), and the front surface of each damping pad (18) is in contact with the back surface of the second connecting plate (5).
3. The walking frame of claim 1, wherein, The right end outer surface of the walking frame (6) is fixedly connected with a protective cover plate (11) through two screws (10).
4. The walking frame of claim 1, wherein, The front surface of the walking frame (6) is fixedly connected with a reinforcing plate (8), and the reinforcing plate (8) is located at the middle part of the walking frame (6).
5. The walking frame of claim 1, wherein, The upper surface of the walking frame (6) is fixedly connected with a model mark (7), and the model mark (7) is located at the middle part of the walking frame (6).
6. The walking frame of claim 1, wherein, The front surface of each first connecting plate (2) and the front surface of the excavator base frame (1) are provided with two limiting grooves (16) together, the inner wall of each limiting groove (16) is clamped with a positioning column (15), and the front end of each positioning column (15) is fixedly connected with the back surface of the second connecting plate (5).
Citation Information
Patent Citations
Walking frame of excavator
CN216108721U