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KR-102963106-B1 - Ground engagement device for endless tracks of tracked vehicles

KR102963106B1KR 102963106 B1KR102963106 B1KR 102963106B1KR-102963106-B1

Abstract

The present invention relates to a ground engagement device (G) for an endless track (E) of a tracked vehicle. The ground engagement device may be attached to an outer surface of the endless track (E). The ground engagement device (G) includes an engagement member (10) configured to be connected and positioned on an outer surface (Ea) of the endless track (E). To position the engagement member (10) connected to the outer surface (Ea) of the endless track (E), the ground engagement device (G) further includes a fastening device (A) for attaching the ground engagement device (G) to the endless track (E). The fastening device (A) includes an adjustment device (D) configured to allow self-adjustment of the position of the engagement member relative to the endless track (E) based on pressure applied to the engagement member (10) toward the endless track (E). The present invention also relates to a tracked vehicle.

Inventors

  • 웨스트버그, 비외른
  • 칸, 하칸
  • 코츠, 필립

Assignees

  • 배 시스템즈 해그그룬스 악티에볼라그

Dates

Publication Date
20260508
Application Date
20210125
Priority Date
20200206

Claims (15)

  1. A ground engagement device (G) for an endless track (E) of a tracked vehicle, wherein the ground engagement device is attachable to the outer surface of the endless track (E), and the ground engagement device comprises an engagement member (10) configured to be connected and positioned on the outer surface (Ea) of the endless track (E), and a fastening device (A) for attaching the ground engagement device (G) to the endless track (E) such that the engagement member (10) is connected and positioned on the outer surface (Ea) of the endless track (E), wherein the fastening device (A) comprises an adjustment device (D) configured to allow self-adjustment of the position of the engagement member relative to the endless track (E) based on pressure on the engagement member (10) toward the endless track (E), wherein the adjustment device (D) is configured to allow movement of the engagement member (10) toward the endless track (E) such that the tension provided by the fastening device (A) increases, and the adjustment device (D) is configured to allow movement of the engagement member (10) toward the opposite direction A ground engagement device configured to prevent movement of the engagement member (10), wherein the tension increased by movement is maintained by the adjustment device (D).
  2. In paragraph 1, The above adjustment device (D) is a ground engagement device configured to allow self-adjustment of the tension to which the ground engagement device (G) is attached to the endless track (E).
  3. In paragraph 1 or 2, The above adjustment device (D) is configured to allow movement of the engaging member (10) toward the endless track (E) and includes a tooth locking configuration (T) configured to provide a locking function to prevent movement in the opposite direction, a ground engaging device.
  4. In paragraph 3, The above-described tooth locking configuration (T) comprises a set of inclined teeth (T20, TW1, TW2) to allow stepwise movement of the engaging member (10) toward the endless track (E) and to provide the locking function in the opposite direction.
  5. In paragraph 1, The fastening device (A) comprises opposing side members (20, 30) for fastening a ground engagement device (G) to each side of an endless track (E), the ground engagement member (10) is positioned between the side members (20, 30), the side members (20, 30) are configured to support the ground engagement member (10), and the adjusting device (D) is attached to each side member (20, 30), ground engagement device.
  6. In paragraph 5, Each side member (20, 30) includes an elongated opening (O1, O2) extending in a direction essentially orthogonal to an extension of the ground engagement member (10), and the fastening device (A) includes a fastening joint member (J1, J2) configured to be introduced into each elongated opening (O1, O2), wherein the elongated openings facilitate movement of the side members (20, 30), and thus the ground engagement member (10), relative to the fastening joint members (J1, J2).
  7. In paragraph 6, The above adjustment device (D) is configured to allow movement of the engaging member (10) toward the endless track (E) and includes a tooth locking configuration (T) configured to provide a locking function to prevent movement in the opposite direction, and for each side member (20, 30), the tooth locking configuration (T) is connected to and arranged with an elongated opening (O1, O2), forming a ground engaging device.
  8. In Paragraph 7, A ground engagement device, wherein each side member (20, 30) has an outer surface (20a, 30a) configured to be away from the endless track (E) and an opposing inner surface (20b, 30b) configured to face the endless track (E), and the tooth locking configuration (T) comprises one or more teeth (T20, T30) disposed on at least one side of each side member (20, 30).
  9. In paragraph 8, Each side member (20, 30) includes a recess (R1, R2) disposed on one side of the side member (20, 30) connected to an elongated opening (O1, O2), and for each side member (20, 30), one or more teeth (T20, T30) of the tooth locking configuration (T) are disposed on the bottom of the recess (R1, R2), a ground engagement device.
  10. In Paragraph 9, The fastening device (A) comprises washer elements (W1, W2) configured to distribute the load of the fastening joint members (J1, J2) for each side member (20, 30), and the tooth locking configuration (T) comprises one or more teeth (TW1, TW2) disposed on the washer elements (W1, W2) and configured to engage with one or more teeth (T20, T30) of the side members (20, 30), a ground engagement device.
  11. In Paragraph 10, A ground engagement device configured such that, in order to maintain one or more teeth (TW1, TW2) of a washer element (W1, W2) aligned with one or more teeth (T20, T30) of a side member (20, 30), the washer element (W1, W2) is configured to be received in close contact within the recess (R1, R2) for each side member (20, 30).
  12. In paragraph 1, The ground engagement device (G) is configured to provide increased ground engagement to improve the traction of a tracked vehicle (V) in ground conditions such as ice and snow.
  13. In paragraph 1, The above ground engagement device (G) is a ground engagement device that can be removedly attached to the endless track (E) of the track assembly (T1) of the tracked vehicle (V).
  14. A tracked vehicle (V) comprising at least one ground engagement device (G) according to claim 1.
  15. delete

Description

Ground engagement device for endless tracks of tracked vehicles The present invention relates to a ground engaging device for an endless track of a tracked vehicle. The present invention also relates to a tracked vehicle having an endless track comprising such a ground engaging device. The tracked vehicle is equipped with an assembly comprising endless tracks arranged to run on a set of wheels. To improve grip on surfaces in ground conditions such as ice or snow, tracked vehicles may be equipped with a type of ground engagement device positioned on the outer surface of the track. Over time, there may be a specific disengagement of the ground engagement device attached to the track, which may cause damage to the ground engagement device and/or the track. It is necessary to provide a ground engagement device that facilitates reducing the risk of damage to the ground engagement device and/or the track during operation of a tracked vehicle having such a ground engagement device attached to the track. For a better understanding of the present invention, the following detailed description is referenced when read together with the accompanying drawings, and similar reference numerals indicate similar parts across the drawings. FIG. 1a schematically illustrates a side view of a tracked vehicle according to one embodiment of the present disclosure. FIG. 2 schematically illustrates a side view of a part of an endless track according to one embodiment of the present disclosure, a road wheel configured to be surrounded by the endless track, and a ground engagement device attached to the endless track. FIG. 3 schematically illustrates a cross-sectional view of the track, a part of the road wheel, and a ground engagement device of FIG. 2 according to one embodiment of the present disclosure. FIG. 4 schematically illustrates a plan view from below of a part of the endless track of FIG. 2, a road wheel, and a ground engagement device according to one embodiment of the present disclosure. FIG. 5 schematically illustrates a perspective view of a ground engagement device according to one embodiment of the present disclosure. FIG. 6 schematically illustrates a side view of the ground engagement device of FIG. 5 according to an embodiment of the present disclosure. FIG. 7 schematically illustrates a cross-sectional view of a part of the ground engagement device of FIG. 6a according to one embodiment of the present disclosure. In this specification, with respect to "rubber track," the term "rubber" means any elastic material such as rubber, elastomer, or a combination of rubber and elastomer. Such a tracked vehicle may include a right track assembly and a left track assembly for driving the vehicle. Each tracked assembly may include a drive wheel, a tension wheel, a set of road wheels, and an endless track positioned to run over said wheels. The endless track of each tracked assembly is configured to run around said wheels. The endless track of each tracked assembly may be positioned to be driven by said drive wheel and thus rotate. The tracked vehicle may include a driving means for driving said drive wheels. The driving means may be any suitable driving means, such as one or more internal combustion engines and/or one or more electric machines. The endless track of each track assembly may have any suitable configuration and may be composed of any suitable material. According to one aspect of the present disclosure, the endless track of each track assembly may be a rubber track. According to one aspect of the present disclosure, the endless track of each track assembly may be a steel track. FIG. 1 schematically illustrates a side view of a tracked vehicle (V) according to one embodiment of the present disclosure. The vehicle is stationary or moving on the ground (U). According to the disclosure of Fig. 1, the tracked vehicle (V) is a military vehicle. According to one aspect of the present disclosure, a tracked vehicle (V) comprises a vehicle body (B) including a chassis and bodywork of the vehicle (V). A tracked vehicle (V) comprises a left track assembly (T1) and a right track assembly for driving the vehicle (V), and the left track assembly is illustrated in FIG. 1. Each track assembly comprises a drive wheel (DW), a tension wheel (TW), a set of road wheels (RW), and an endless track (E) arranged to run over said wheels. Here, the drive wheel (DW) is positioned at the front, the tension wheel (TW) is positioned at the rear, and the road wheels (RW) are positioned between the drive wheel (DW) and the tension wheel (TW). However, a tracked vehicle according to the present disclosure may have a track assembly having any suitable arrangement of the drive wheel, the tension wheel, and the road wheels. According to one aspect of the present disclosure, the tension wheel may be positioned at the front, the drive wheel may be positioned at the rear, and the road wheels may be positioned between them. The endless track (E) of each tr