Track assembly

Abstract

The invention belongs to the field of crawler chassis equipment for bucket-wheel excavators, and particularly relates to a crawler assembly. The crawler belt assembly is formed by connecting a plurality of crawler belt plates end to end, and each crawler belt plate comprises a supporting bottom plate, the transmission joint is arranged on the supporting bottom plate; transmission teeth are arranged on the track shoe, a connecting piece is detachably arranged on the track shoe, and the connecting piece is used for connecting adjacent track shoes; and the limiting piece is used for limiting the connecting piece. The transmission part is arranged on the supporting bottom plate, so that the contact area with the ground is increased, and the structural stability is enhanced; the connecting pieces are detachably arranged, so that the adjacent track shoes can be conveniently disassembled, and when one track shoe is worn and needs to be replaced, the track shoe can be independently disassembled and replaced; and by arranging the limiting pieces, the connecting pieces are prevented from falling off, and the connection reliability between the track shoes is enhanced.

Description

Technical Field

[0001] This invention belongs to the field of tracked chassis equipment for bucket wheel excavators, and particularly relates to a track assembly. Background Technology

[0002] Bucket wheel excavators are core equipment in modern large-scale open-pit mining. With their massive rotating bucket wheels, they enable continuous integrated "excavation-conveyance" operations, offering advantages such as high production efficiency and low operating costs. The track shoes, as a key component of the tracked walking system, are crucial for converting the driving force of the travel motor into the forward propulsion of the entire machine through the drive wheels.

[0003] Track assemblies typically consist of multiple track pads connected end-to-end by pins. During track movement, the pins, which serve as the connecting and transmission components between two track pads, often come loose after prolonged use, leading to connection failure between the track pads and rendering the track assembly unusable. Therefore, it is necessary to research a new type of track pad to solve this problem. Summary of the Invention

[0004] To address the aforementioned problems in the prior art, the present invention provides a track assembly that enables the track assembly structure to be stable and durable, and reduces track maintenance costs.

[0005] To achieve the above objectives, the technical solution provided by the present invention is as follows:

[0006] This invention provides a track assembly, comprising multiple track plates connected end-to-end, wherein the track plates include:

[0007] Support base plate;

[0008] A transmission joint is arranged on a support base plate; a transmission tooth is provided on it, and a connector is detachably provided on it, the connector being used to connect adjacent track plates;

[0009] Limiting components are used to limit the movement of connecting components.

[0010] Optionally, one end of the transmission joint is provided with a plug-in ear, and the other end is provided with a connecting pin ear. The connecting member includes a connecting pin, which is plugged into the plug-in ear and the connecting pin ear of the adjacent track plate.

[0011] Optionally, a connecting pin lug is arranged on each side of the transmission joint, and an insertion groove is formed between the two connecting pin lugs. An insertion lug on one track plate is inserted into the insertion groove on the adjacent track plate, and the connecting pin is inserted into the connecting lug and the connecting pin lug of the adjacent track plate.

[0012] Optionally, the limiting member abuts against both ends of the connecting pin, and the limiting member is detachably connected to the supporting base plate.

[0013] Optionally, the length direction of the support base plate is perpendicular to the length direction of the transmission joint.

[0014] Optionally, the support base plate is further provided with reinforcing ribs, which are symmetrically arranged on both sides of the transmission joint.

[0015] Optionally, the limiting member is a bolt, which is threadedly connected to the supporting base plate.

[0016] Optionally, the limiting member includes a bolt and a nut, the reinforcing rib is provided with a mounting seat, the bolt passes through the reinforcing rib and the mounting seat, and one end of the bolt that passes through the mounting seat is threadedly connected to the nut and then abuts against the connecting member.

[0017] Optionally, a mud-leaking hole is provided at the bottom of the transmission joint, and a through hole is provided on the support base plate, with the through hole opposite to the mud-leaking hole.

[0018] Optionally, a wear-resistant bushing is provided between the connecting pin and the insertion lug.

[0019] Compared with the prior art, the present invention has at least the following beneficial effects:

[0020] This invention increases the contact area with the ground by arranging the transmission components on the supporting base plate, thus enhancing structural stability. The detachable connection allows for easy disassembly between adjacent track plates, and when a track plate is worn and needs to be replaced, it can be disassembled and replaced individually. The inclusion of limiting components prevents the connection from falling off, thereby enhancing the reliability of the connection between track plates.

[0021] Reinforcing ribs are arranged on the support base plate to improve the stability of the structure. The connecting pin is limited by bolts, and the connecting pin can be easily disassembled by unscrewing the bolts. When the connecting pin is worn, it can also be easily replaced. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the track plate according to an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of a transmission joint according to an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram illustrating the supporting base plate structure in an embodiment of the present invention;

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Support base plate; 11. Reinforcing rib; 12. Through hole; 2. Transmission joint; 21. Transmission gear; 22. Insertion lug; 23. Connecting pin lug; 24. Insertion groove; 25. Mud leakage hole; 4. Connecting pin; 41. Pin hole; 42. Wear-resistant bushing; 5. Mounting base; 51. Nut; 52. Bolt. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0031] Example 1

[0032] like Figure 1 As shown, a track assembly is composed of multiple track plates connected end to end, the track plates including:

[0033] Support plate 1;

[0034] The transmission section 2 is arranged on the support base plate 1; a transmission tooth 21 is provided on it, and a connector is detachably provided on it, the connector being used to connect adjacent track plates.

[0035] Limiting components are used to limit the movement of connecting components.

[0036] In this embodiment, the transmission gear 21 is W-shaped and meshes with the drive wheel. In this embodiment, the transmission gear 21 is arranged on both sides of the top arm of the transmission section 2, which improves the reliability of the connection with the drive wheel.

[0037] This invention increases the contact area with the ground by welding the transmission components to the supporting base plate 1, thereby enhancing structural stability. The detachable connection allows for easy disassembly between adjacent track plates, and when a track plate is worn and needs to be replaced, it can be disassembled and replaced individually. The setting of limiting components prevents the connection from falling off, thereby enhancing the reliability of the connection between track plates.

[0038] Example 2

[0039] The difference between this embodiment and embodiment 1 is that: one end of the transmission section 2 is provided with a plug ear 22 and the other end is provided with a connecting pin ear 23. In order to ensure the stability of the connection between adjacent transmission sections 2, a connecting pin ear 23 is arranged on each side of the transmission section 2, and a plug groove 24 is formed between the two connecting pin ears 23. The plug ear 22 on one track plate is inserted into the plug groove 24 on the adjacent track plate. The connector includes a connecting pin. Both the connecting ear and the connecting pin ear 23 are provided with pin holes 41. The connecting pin is inserted into the connecting ear and the connecting pin ear 23 on the adjacent track plate.

[0040] In this embodiment, the length direction of the support base plate 1 is perpendicular to the length direction of the transmission section 2. The arrangement of the support base plate 1 improves the overall stability of the track assembly.

[0041] The base plate 1 is also provided with reinforcing ribs 11, which are symmetrically arranged on both sides of the transmission section 2.

[0042] In this embodiment, the limiting member abuts against both ends of the connecting pin 4, thereby preventing the connecting pin 4 from coming out. Specifically, the limiting member includes a bolt 52, which is threaded onto the support base plate 1 or the reinforcing rib 11, and the bolt 52 abuts against the connecting pin 4.

[0043] To ensure the strength of the bolt 52 connection position, a mounting seat 5 is provided on the reinforcing rib 11, and the limiting component also includes a nut 51. The bolt 52 passes through the reinforcing rib 11 and the mounting seat 5, and its end that passes through the mounting seat 5 is threadedly connected to the nut 51 and then abuts against the connecting component.

[0044] The bottom of the transmission section 2 is provided with a mud leakage hole 25, and the support base plate 1 is provided with a through hole 12. The through hole 12 is opposite to the mud leakage hole 25, so that when the road surface is uneven, the mud leakage hole 25 can accommodate some mud and sand, reducing the walking resistance.

[0045] In this embodiment, a wear-resistant bushing 42 is provided between the connecting pin 4 and the insertion lug 22 and the connecting pin lug 23. The wear-resistant bushing 42 is pressed into the pin hole 41 by a press to ensure that it is in the middle position of the pin hole 41.

[0046] Reinforcing ribs 11 are arranged on the supporting base plate 1 to improve the stability of the structure. The connecting pin 4 is limited by bolts 52. The connecting pin 4 can be easily disassembled by unscrewing the bolts 52. When the connecting pin 4 is worn, it can also be easily replaced.

[0047] To improve the strength of the track assembly while reducing costs, the wear-resistant bottom plate 2 is made of carbon steel plate;

[0048] The transmission section 2 is made of chromium-nickel-molybdenum alloy steel, manufactured using coated sand casting, and heat-treated using a quenching and tempering process. The metallographic structure is tempered sorbite. During quenching, a quenching fluid with added water is used as the quenching medium to prevent excessive cooling and cracking of the track section. After heat treatment, rough and fine boring is performed to bore the three pin holes 41 at the front and rear of the track section. After boring, the holes are then ground.

[0049] The connecting pin 4 is made of 42CrMo and heat-treated using a process of quenching and tempering followed by surface induction hardening. The hardness of the contact surface between the wear-resistant bushing 42 and the connecting pin 4 is 45-55 HRC.

[0050] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0051] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A track assembly, characterized in that, It is composed of multiple track plates connected end to end, the track plates including: Support base plate; A transmission joint is arranged on a support base plate; a transmission tooth is provided on it, and a connector is detachably provided on it, the connector being used to connect adjacent track plates; Limiting components are used to limit the movement of connecting components.

2. The track assembly according to claim 1, characterized in that, One end of the transmission joint is provided with a plug-in ear, and the other end is provided with a connecting pin ear. The connecting member includes a connecting pin, which is plugged into the plug-in ear and the connecting pin ear of the adjacent track plate.

3. The track assembly according to claim 2, characterized in that, A connecting pin lug is arranged on each side of the transmission joint, and an insertion groove is formed between the two connecting pin lugs. An insertion lug on one track plate is inserted into the insertion groove on the adjacent track plate, and the connecting pin is inserted into the connecting lug and the connecting pin lug of the adjacent track plate.

4. The track assembly according to claim 3, characterized in that, The limiting member abuts against both ends of the connecting pin, and the limiting member is detachably connected to the supporting base plate.

5. The track assembly according to claim 1, characterized in that, The length direction of the support base plate is perpendicular to the length direction of the transmission section.

6. The track assembly according to claim 1, characterized in that, The support base plate is also provided with reinforcing ribs, which are symmetrically arranged on both sides of the transmission joint.

7. The track assembly according to claim 4, characterized in that, The limiting component is a bolt, which is threadedly connected to the supporting base plate.

8. The track assembly according to claim 6, characterized in that, The limiting component includes a bolt and a nut. A mounting seat is provided on the reinforcing rib. The bolt passes through the reinforcing rib and the mounting seat. One end of the bolt that passes through the mounting seat is threadedly connected to the nut and then abuts against the connecting component.

9. The track assembly according to claim 1, characterized in that, A mud-leaking hole is provided at the bottom of the transmission joint, and a through hole is provided on the support base plate, with the through hole opposite to the mud-leaking hole.

10. The track assembly according to claim 2, characterized in that, A wear-resistant bushing is provided between the connecting pin and the insertion lug.

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