Tensioning transition spring mechanism for excavator

Abstract

The utility model provides a tensioning transition spring mechanism for an excavator, which belongs to the technical field of tensioning transition springs and comprises a mounting plate, a moving plate fixedly mounted on the right side of the mounting plate, a tensioning spring fixedly mounted between the mounting plate and the moving plate, and a protective mechanism arranged on the outer side of the tensioning spring. The protection mechanism comprises a protection plate, a mounting hole, a limiting hole, a buffer rubber ring, a fixing plate and a fastening bolt. Through the arrangement of the protection mechanism, a firm barrier is provided for the tensioning spring under the condition that normal work of the tensioning spring is not affected, the infestation of soil, rubbles and gravels on the spring is effectively resisted, the tensioning spring can work in a cleaner and safer environment, and the service life of the tensioning spring is prolonged. Faults caused by clamping stagnation or damage of foreign matter are greatly reduced, direct contact between the spring and the external environment is remarkably reduced due to the arrangement of the protection plate, and therefore abrasion caused by long-term friction is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tension transition springs, and in particular relates to a tension transition spring mechanism for an excavator. Background Art

[0002] The tension transition spring is an important component of the excavator's walking system. It is mainly used to maintain the appropriate tension of the crawler track to ensure that the excavator has good traction and stability when working. This spring assembly is usually installed in the guide wheel of the excavator crawler track.

[0003] Under different working environments and conditions, such as in muddy or gravel-heavy mines, the tension transition spring will be worn and its elasticity reduced due to the intrusion and blockage of foreign matter, affecting its performance and service life, and reducing the stability and reliability of the excavator. Utility Model Content

[0004] The purpose of the utility model is to provide a tension transition spring mechanism for an excavator, aiming to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A tensioning transition spring mechanism for an excavator comprises a mounting plate, a movable plate is fixedly mounted on the right side of the mounting plate, a tensioning spring is fixedly mounted between the mounting plate and the movable plate, a protective mechanism is provided on the outside of the tensioning spring, the protective mechanism comprises a protective plate, a mounting hole, a limiting hole, a buffer rubber ring, a fixed plate and a fastening bolt, the protective plate is fixedly mounted on the outside of the tensioning spring, the mounting hole is provided on the surface of the mounting plate, the limiting hole is provided on the surface of the movable plate, the buffer rubber ring is fixedly mounted on the inner wall of the limiting hole, the fixed plate is fixedly connected to one end of the protective plate close to the mounting plate, and the fixed plate and the mounting plate are fixedly connected by fastening bolts.

[0007] As a preferred solution of the present invention, a spring seat is fixedly installed on the left side of the movable plate.

[0008] As a preferred solution of the present invention, a cylinder is fixedly installed in the inner cavity of the tension spring, a push rod is fixedly installed inside the cylinder, and an oil filling port is provided at the end of the push rod.

[0009] As a preferred solution of the present invention, a pull rod is fixedly installed on the left end of the cylinder body.

[0010] As a preferred solution of the present invention, a connecting block is fixedly installed on the right side of the mounting plate, a wheel frame is fixedly installed on the right side of the connecting block, and a guide wheel is fixedly installed inside the wheel frame.

[0011] As a preferred solution of the present invention, the connecting block and the wheel frame are fixedly connected by a fastening screw.

[0012] As a preferred solution of the present invention, fastening nuts are fixedly installed on both ends of the fastening screw.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] Through the setting of the protective mechanism, a solid barrier is provided for the tensioning spring without affecting its normal operation, effectively resisting the intrusion of mud, rubble and sand on the spring, allowing the tensioning spring to work in a cleaner and safer environment, greatly reducing failures caused by foreign objects getting stuck or damaged. The setting of the protective plate significantly reduces the direct contact between the spring and the external environment, thereby reducing the wear caused by long-term friction. This reduction in wear not only extends the service life of the spring and reduces the frequency of maintenance and replacement, but also ensures the stability and reliability of its performance. In daily maintenance and inspection, the protective plate also provides operators with an extra layer of safety protection, avoiding accidental injuries that may occur due to inadvertent contact with the working spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is an exploded view of the overall structure of the utility model;

[0018] Figure 3 This is an exploded diagram of the protective mechanism structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the top rod structure of the present utility model.

[0020] In the figure: 1. Mounting plate; 2. Moving plate; 3. Tension spring; 4. Protective mechanism; 401. Protective plate; 402. Mounting hole; 403. Limiting hole; 404. Buffer rubber ring; 405. Fixed plate; 406. Fastening bolt; 5. Cylinder body; 6. Push rod; 7. Oil filling port; 8. Connecting block; 9. Wheel frame; 10. Guide wheel; 11. Fastening screw; 12. Fastening nut; 13. Spring seat; 14. Pull rod. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it designate a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Example 1

[0025] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides a tensioning transition spring mechanism for an excavator, including a mounting plate 1, a movable plate 2 is fixedly installed on the right side of the mounting plate 1, a tensioning spring 3 is fixedly installed between the mounting plate 1 and the movable plate 2, and a protective mechanism 4 is provided on the outside of the tensioning spring 3. The protective mechanism 4 includes a protective plate 401, a mounting hole 402, a limiting hole 403, a buffer rubber ring 404, a fixed plate 405 and a fastening bolt 406. The protective plate 401 is fixedly installed on the outside of the tensioning spring 3, the mounting hole 402 is opened on the surface of the mounting plate 1, the limiting hole 403 is opened on the surface of the movable plate 2, the buffer rubber ring 404 is fixedly installed on the inner wall of the limiting hole 403, the fixed plate 405 is fixedly connected to one end of the protective plate 401 close to the mounting plate 1, and the fixed plate 405 is fixedly connected to the mounting plate 1 by a fastening bolt 406.

[0026] like Figure 1 、 Figure 2 and Figure 3 As shown, the open section of the protective plate 401 is passed through the mounting hole 402 of the mounting plate 1 and the limiting hole 403 of the movable plate 2 in sequence, so that the protective plate 401 completely covers the outside of the tensioning spring 3, and the fixing plate 405 at the end of the protective plate 401 is connected to the mounting plate 1 by using the fastening bolts 406 to fix the protective plate 401. When the tensioning spring 3 is compressed or extended, the protective plate 401 also moves in the limiting hole 403, thereby improving the physical protection of the tensioning spring 3.

[0027] Example 2

[0028] Reference Figure 1 、 Figure 2 and Figure 3 , which is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0029] In this embodiment, a spring seat 13 is fixedly installed on the left side of the movable plate 2, a cylinder body 5 is fixedly installed in the inner cavity of the tensioning spring 3, a push rod 6 is fixedly installed inside the cylinder body 5, an oil filling port 7 is provided at the end of the push rod 6, and a pull rod 14 is fixedly installed at the left end of the cylinder body 5.

[0030] like Figure 1 、 Figure 2 and Figure 3 As shown, grease is injected into the cylinder 5 through the oil filling port 7, and one end of the push rod 6 is arranged in the inner cavity of the cylinder 5 and slides along the inner wall of the cylinder 5 to tighten the excavator crawler to a suitable position.

[0031] Example 3

[0032] Reference Figure 1 、 Figure 2 and Figure 4 , which is the third embodiment of the present utility model, is based on the first two embodiments.

[0033] In this embodiment, a connecting block 8 is fixedly installed on the right side of the mounting plate 1, a wheel frame 9 is fixedly installed on the right side of the connecting block 8, a guide wheel 10 is fixedly installed inside the wheel frame 9, and the connecting block 8 and the wheel frame 9 are fixedly connected by a fastening screw 11, and fastening nuts 12 are fixedly installed at both ends of the fastening screw 11.

[0034] like Figure 1 、 Figure 2 and Figure 4 As shown, the guide wheel 10 is installed inside the wheel frame 9, and then the wheel frame 9 is connected to the connecting block 8 at the left end of the tension spring 3 through the fastening screw 11, and the fastening nuts 12 are fixed on both sides of the fastening screw 11 to fix the guide wheel 10.

[0035] When in use, the open end of the protective plate 401 is passed through the mounting hole 402 of the mounting plate 1 and the limiting hole 403 of the movable plate 2 in sequence, so that the protective plate 401 is completely covered on the outside of the tensioning spring 3, and the fixing plate 405 at the end of the protective plate 401 is connected to the mounting plate 1 with the fastening bolt 406 to fix the protective plate 401. When the tensioning spring 3 is compressed or extended, the protective plate 401 also moves in the limiting hole 403.

[0036] In summary: Through the setting of the protective mechanism 4, a solid barrier is provided for the tensioning spring 3 without affecting its normal operation, effectively resisting the intrusion of soil, rubble and sand that may be caused to the spring, so that the tensioning spring 3 can work in a cleaner and safer environment, greatly reducing the failure caused by foreign objects getting stuck or damaged. The setting of the protective plate 401 significantly reduces the direct contact between the spring and the external environment, thereby reducing the wear caused by long-term friction. This reduction in wear not only extends the service life of the spring and reduces the frequency of maintenance and replacement, but also ensures the stability and reliability of its performance. In daily maintenance and inspection, the protective plate 401 also provides operators with an extra layer of safety protection, avoiding accidental injuries that may occur due to inadvertent contact with the working spring.

[0037] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete elements can be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0038] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0039] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A tension transition spring mechanism for an excavator, characterized in that: The invention comprises a mounting plate (1), a movable plate (2) is fixedly mounted on the right side of the mounting plate (1), a tension spring (3) is fixedly mounted between the mounting plate (1) and the movable plate (2), a protective mechanism (4) is arranged on the outside of the tension spring (3), and the protective mechanism (4) comprises a protective plate (401), a mounting hole (402), a limiting hole (403), a buffer rubber ring (404), a fixed plate (405) and a fastening bolt (406), wherein the protective plate (401) is fixedly mounted on the right side of the mounting plate (1), a tension spring (3) is fixedly mounted between the mounting plate (1) and the movable plate (2), a protective mechanism (4) is arranged on the outside of the tension spring (3), and the protective mechanism (4) comprises a protective plate (401), a mounting hole (402), a limiting hole (403), a buffer rubber ring (404), a fixed plate (405) and a fastening bolt (406 1) is fixedly installed on the outside of the tension spring (3), the mounting hole (402) is opened on the surface of the mounting plate (1), the limiting hole (403) is opened on the surface of the movable plate (2), the buffer rubber ring (404) is fixedly installed on the inner wall of the limiting hole (403), the fixing plate (405) is fixedly connected to one end of the protective plate (401) close to the mounting plate (1), and the fixing plate (405) and the mounting plate (1) are fixedly connected by fastening bolts (406).

2. The tension transition spring mechanism for an excavator according to claim 1, characterized in that: A spring seat (13) is fixedly mounted on the left side of the movable plate (2).

3. The tension transition spring mechanism for an excavator according to claim 1, characterized in that: A cylinder body (5) is fixedly installed in the inner cavity of the tension spring (3), a push rod (6) is fixedly installed inside the cylinder body (5), and an oil filling port (7) is provided at the end of the push rod (6).

4. The tension transition spring mechanism for an excavator according to claim 3, characterized in that: A pull rod (14) is fixedly mounted on the left end of the cylinder body (5).

5. The tension transition spring mechanism for an excavator according to claim 1, characterized in that: A connecting block (8) is fixedly mounted on the right side of the mounting plate (1), a wheel frame (9) is fixedly mounted on the right side of the connecting block (8), and a guide wheel (10) is fixedly mounted inside the wheel frame (9).

6. The tension transition spring mechanism for an excavator according to claim 5, characterized in that: The connecting block (8) and the wheel frame (9) are fixedly connected via a fastening screw (11).

7. The tension transition spring mechanism for an excavator according to claim 6, characterized in that: Both ends of the fastening screw (11) are fixedly mounted with fastening nuts (12).

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