A high load-bearing track plate support structure

Abstract

This utility model relates to the field of track plate support technology, and more particularly to a high-load-bearing track plate support structure. The technical solution includes a pair of track frames and track plate bodies fitted onto them, as well as a pair of fixed connecting rods fixedly connected to the middle of the track frames. Each fixed connecting rod also has a movable connecting rod at its middle end, which is movably connected to the track frame. A connecting frame is provided at the end of the movable connecting rod, and the connecting frame is movably engaged with the end of the movable connecting rod. This utility model utilizes the track frames, fixed connecting rods, and movable connecting rods in a coordinated structure. In use, the movable connecting rod is engaged with the connecting frame via a positioning pin, and locking and unlocking are controlled by manually rotating a turntable. In this method, lightweight equipment reduces the number of connecting rods, reducing weight and improving efficiency, while heavy-duty equipment increases the number of movable connecting rods to balance force distribution, enhance rigidity, and extend the track frame's lifespan, thus balancing the load-bearing capacity and lightweight requirements of different equipment.

Description

Technical Field

[0001] This utility model relates to the field of track plate support technology, and in particular to a high load-bearing track plate support structure. Background Technology

[0002] Track shoes, as key components of tracked walking mechanisms, are mostly made of high-strength, wear-resistant materials and form an integral support structure with the track frame and connecting rods. Currently, connecting rods are often fixed connections. In light equipment, too many connecting rods can increase weight, leading to increased fuel consumption, slower acceleration, and reduced climbing ability, resulting in efficiency issues. In heavy equipment, if the number of connecting rods is insufficient, the track frame is prone to uneven pressure, leading to deformation and reduced service life. Utility Model Content

[0003] The purpose of this utility model is to address the problem that too many connecting rods in light equipment increase weight, leading to higher fuel consumption and reduced efficiency, while insufficient rods in heavy equipment cause uneven stress on the track frame, resulting in deformation and reduced lifespan. This invention proposes a high-load-bearing track plate support structure.

[0004] The technical solution of this utility model is as follows: A high load-bearing track plate support structure includes a pair of track frames and track plate bodies sleeved on them, and further includes: a pair of fixed connecting rods fixedly connected to the middle part of the track frames, wherein the middle part of the fixed connecting rod is provided with a movable connecting rod whose end is movably connected to the track frame; a connecting frame disposed at the end of the movable connecting rod, wherein the connecting frame is movably engaged with the end of the movable connecting rod; and a locking mechanism installed in the movable connecting rod to allow the end of the movable connecting rod to be inserted into the connecting frame.

[0005] Optionally, the locking mechanism includes a locking plate fixedly connected to the end of the movable connecting rod, with a positioning pin slidably connected to each locking plate. The connecting frame has a pair of locking slots inside to lock the ends of the corresponding movable connecting rods, and each locking slot has a locking hole inside to lock the positioning pin. The bottom of the movable connecting rod is provided with a switching mechanism to disengage the movable connecting rod from the locking slot.

[0006] Optionally, each of the card plates is fixedly connected with a card sleeve that slides into the positioning pin.

[0007] Optionally, the switching mechanism includes a pair of arc-shaped grooves formed at the bottom of the movable connecting rod. A pull rod is movably connected inside each arc-shaped groove. A connecting rope is fixedly connected to one end of each pull rod inserted into the movable connecting rod. A baffle is fixedly connected to the end of each positioning pin away from the locking hole. The end of each connecting rope away from the pull rod is fixedly connected to the corresponding baffle. A return spring is movably sleeved on each positioning pin. One end of the return spring is fixedly connected to the baffle, and the other end of the return spring is fixedly connected to the corresponding locking sleeve.

[0008] Optionally, the switching mechanism further includes a turntable disposed at the bottom of the movable connecting rod, and the ends of the pair of pull rods away from the connecting rope are fixedly connected to the turntable. The outer wall of the turntable is fixedly connected with a plurality of protruding rods distributed in a circumferential array.

[0009] Optionally, a pair of support rods corresponding to the connecting rope are fixedly connected inside the movable connecting rod, and a retaining ring is fixedly connected to the end of the support rod away from the inner wall of the movable connecting rod so that the connecting rope can move through it.

[0010] Optionally, a chassis is fixedly connected to the lower surfaces of both ends of the movable connecting rod, and multiple ball bearings are rotatably connected to the bottom of the chassis.

[0011] Optionally, the bottom of the connecting frame is provided with multiple inclined guide surfaces for the movable connecting rod to be inserted into the locking holes.

[0012] In summary, this application includes at least one of the following beneficial technical effects:

[0013] This invention utilizes a structure consisting of a track frame, fixed connecting rods, and movable connecting rods. During use, the movable connecting rods engage with the connecting frame via positioning pins, and locking and unlocking are controlled by manually rotating a turntable. In this design, lightweight equipment reduces the number of connecting rods, thus lowering weight and improving efficiency, while heavy-duty equipment benefits from increased movable connecting rods, resulting in balanced stress distribution, enhanced rigidity, and extended track frame lifespan. This approach caters to the varying load-bearing capacity and lightweight requirements of different equipment. Attached Figure Description

[0014] Figure 1 A structural schematic diagram of a high load-bearing track plate support structure according to this utility model is provided;

[0015] Figure 2 for Figure 1 A schematic diagram of the structure viewed from below;

[0016] Figure 3 for Figure 2 A partial breakdown diagram.

[0017] Reference numerals: 1. Track frame; 2. Track plate body; 3. Fixed connecting rod; 4. Movable connecting rod; 41. Arc-shaped groove; 42. Clamping plate; 43. Clamping sleeve; 44. Positioning pin; 441. Baffle; 45. Return spring; 46. Connecting rope; 47. Turntable; 48. Tie rod; 49. Protruding rod; 5. Connecting frame; 51. Slot; 52. Clamping hole; 53. Inclined guide surface; 6. Support rod; 61. Snap ring; 7. Chassis; 71. Ball bearing. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0019] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0020] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Example

[0025] like Figures 1 to 3 As shown, this utility model proposes a high-load-bearing track plate support structure, including a pair of track frames 1 and track plate bodies 2 sleeved on them. The track plate bodies 2 are typically used in pavers and milling machines. A pair of fixed connecting rods 3 are fixedly connected to the middle of the track frame 1. The middle of the fixed connecting rod 3 is also provided with a movable connecting rod 4 whose end is movably connected to the track frame 1. The end of the movable connecting rod 4 is provided with a connecting frame 5. The bottom of the connecting frame 5 has multiple inclined guide surfaces 53 for the movable connecting rod 4 to be inserted into the locking holes 52. The inclined guide surfaces 53 ensure that the connecting frame 5 plays a guiding role when it is installed in the locking holes 52. The connecting frame 5 is movably engaged with the end of the movable connecting rod 4.

[0026] Among them, such as Figure 3 As shown, a locking mechanism is installed inside the movable connecting rod 4 to allow the end of the movable connecting rod 4 to be inserted into the connecting frame 5. The locking mechanism includes a locking plate 42 fixedly connected inside the end of the movable connecting rod 4. Each locking plate 42 is slidably connected to a positioning pin 44. The positioning pin 44 is slidably connected to the locking plate 42 and inserted into the locking hole 52 of the connecting frame 5 to lock the movable connecting rod 4 and the connecting frame 5. The connecting frame 5 has a pair of locking slots 51 inside to lock the ends of the corresponding movable connecting rods 4. Each locking slot 51 has a locking hole 52 inside to lock the positioning pin 44. The bottom of the movable connecting rod 4 is provided with a switching mechanism to disengage the movable connecting rod 4 from the locking slot 51. Each locking plate 42 is fixedly connected to a sleeve 43 that slidably engages with the positioning pin 44. The sleeve 43 slidably engages with the positioning pin 44 to guide the positioning pin 44 to slide and at the same time provide support for the return spring 45.

[0027] In addition, such as Figure 3 As shown, the switching mechanism includes a pair of arc-shaped grooves 41 formed at the bottom of the movable connecting rod 4. A pull rod 48 is movably connected inside each arc-shaped groove 41. One end of the pull rod 48 is fixed to the turntable 47, and the other end is fixed to a connecting rope 46, transmitting the rotational force of the turntable 47. The end of each pull rod 48 inserted into the movable connecting rod 4 is fixedly connected to the connecting rope 46, which is made of flexible steel wire rope. A baffle 441 is fixedly connected to the end of each positioning pin 44 away from the locking hole 52. The end of each connecting rope 46 away from the pull rod 48 is fixedly connected to the corresponding baffle 441. A return spring 45 is movably sleeved on each positioning pin 44. One end of the return spring 45 is fixed to the baffle 441, and the other end is fixed to the locking sleeve 43, providing elastic force to automatically insert the positioning pin 44 into the locking hole 52. One end of the return spring 45 is fixedly connected to the baffle 441, and the other end is fixedly connected to the corresponding locking sleeve 43.

[0028] It is worth noting that, such as Figures 2 to 3As shown, the switching mechanism also includes a turntable 47 located at the bottom of the movable connecting rod 4. The turntable 47 is fixedly connected to the pull rod 48. Rotating the turntable 47 moves the pull rod 48, controlling the locking and unlocking of the positioning pin 44. The ends of the pair of pull rods 48 furthest from the connecting rope 46 are fixedly connected to the turntable 47. The outer wall of the turntable 47 is fixedly connected to multiple protruding rods 49 arranged in a circular array. The protruding rods 49 are fixedly connected to the outer wall of the turntable 47 and are distributed in a circular array, which facilitates manual rotation of the turntable 47 and increases the ease of operation.

[0029] Furthermore, such as Figure 3 As shown, a pair of support rods 6 corresponding to the connecting rope 46 are fixedly connected inside the movable connecting rod 4. Each support rod 6 is fixedly connected to a retaining ring 61 at the end away from the inner wall of the movable connecting rod 4, allowing the connecting rope 46 to pass through movably. The retaining ring 61 is fixedly connected to the end of the support rod 6 away from the inner wall of the movable connecting rod 4, allowing the connecting rope 46 to pass through movably, thereby reducing the friction between the connecting rope 46 and the inner wall of the movable connecting rod 4.

[0030] Furthermore, such as Figure 2 As shown, the lower surfaces of both ends of the movable connecting rod 4 are fixedly connected to the base plate 7. At least three ball bearings 71 are rotatably connected to the bottom of the base plate 7. The ball bearings 71 are rotatably connected to the bottom of the base plate 7 to reduce friction when the movable connecting rod 4 moves, making the movable connecting rod 4 move more smoothly.

[0031] In this embodiment, when using a high-load-bearing track plate support structure, the track frame 1 and the track plate body 2 are fitted together, and the fixed connecting rod 3 is fixedly connected to the middle of the track frame 1. When it is necessary to fix the movable connecting rod 4 to the middle of the track frame 1, the ball bearing 71 at the bottom of the movable connecting rod 4 makes it roll to the bottom of the fixed connecting rod 3 and to the required installation position. Then, it is lifted by a crane, so that the end of the movable connecting rod 4 is guided by the inclined guide surface 53 and inserted into the corresponding slot 51. Before this, the turntable 47 needs to be rotated to drive the pull rod 48 to slide in the arc-shaped groove 41, so that the pull rod 48 pulls the connecting rope 46. Then, the connecting rope 46, supported by the retaining ring 61, pulls the corresponding baffle 441 to move in sequence, thereby causing the baffle 441 to drive the positioning pin 44 to retract into the movable connecting rod 4. Next, when the retaining plate 42 at the end of the movable connecting rod 4 is fully engaged in the retaining hole 52, the turntable 47 can be released. The baffle 441, through the elastic thrust of the retaining sleeve 43, causes the corresponding positioning pin 44 to be inserted into the retaining hole 52, thus completing the installation of the movable connecting rod 4 inside the retaining hole 52. When it is necessary to remove the movable connecting rod 4 from the retaining hole 52, the lifting device must be installed at the bottom of the movable connecting rod 4 beforehand. Then, the turntable 47 is rotated in the opposite direction to disengage the positioning pin 44 from the corresponding retaining hole 52. The base 7 and ball bearings 71 at the bottom of the movable connecting rod 4 reduce friction with the ground, ensuring smoother movement of the movable connecting rod 4. Finally, the movable connecting rod 4 can be flexibly adjusted and stably supported, enhancing the load-bearing capacity in heavy equipment, while reducing the weight burden in light equipment through the movable connection design.

[0032] The preferred embodiments of this utility model described above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-load-bearing track plate support structure, comprising a pair of track frames (1) and track plate bodies (2) sleeved thereon, characterized in that, Also includes: A pair of fixed connecting rods (3) are fixedly connected to the middle part of the track frame (1), and the middle part of the fixed connecting rods (3) is also provided with a movable connecting rod (4) whose end is movably connected to the track frame (1). A connecting bracket (5) is provided at the end of the movable connecting rod (4), and the connecting bracket (5) is movably engaged with the end of the movable connecting rod (4); A locking mechanism is installed inside the movable connecting rod (4) to allow the end of the movable connecting rod (4) to be inserted into the connecting frame (5).

2. The high load-bearing track plate support structure according to claim 1, characterized in that, The locking mechanism includes a card plate (42) fixedly connected to the end of the movable connecting rod (4). Each card plate (42) is slidably connected with a positioning pin (44). The connecting frame (5) has a pair of slots (51) inside that lock the end of the corresponding movable connecting rod (4). Each slot (51) has a hole (52) inside that locks the positioning pin (44). The bottom of the movable connecting rod (4) is provided with a switch mechanism that allows the movable connecting rod (4) to disengage from the slot (51).

3. The high load-bearing track plate support structure according to claim 2, characterized in that, Each of the card plates (42) is fixedly connected with a card sleeve (43) that slides and engages with the positioning pin (44).

4. The high load-bearing track plate support structure according to claim 3, characterized in that, The switching mechanism includes a pair of arc-shaped grooves (41) at the bottom of the movable connecting rod (4). A pull rod (48) is movably connected inside each of the arc-shaped grooves (41). A connecting rope (46) is fixedly connected to one end of each pull rod (48) inserted into the movable connecting rod (4). A baffle (441) is fixedly connected to one end of each positioning pin (44) away from the locking hole (52). The end of each connecting rope (46) away from the pull rod (48) is fixedly connected to the corresponding baffle (441). A return spring (45) is movably sleeved on each positioning pin (44). One end of each return spring (45) is fixedly connected to the baffle (441), and the other end of each return spring (45) is fixedly connected to the corresponding locking sleeve (43).

5. The high load-bearing track plate support structure according to claim 4, characterized in that, The switching mechanism also includes a turntable (47) located at the bottom of the movable connecting rod (4). The ends of the pair of pull rods (48) away from the connecting rope (46) are fixedly connected to the turntable (47). The outer wall of the turntable (47) is fixedly connected with a plurality of protruding rods (49) arranged in a circular array.

6. The high load-bearing track plate support structure according to claim 4, characterized in that, The movable connecting rod (4) is internally fixedly connected to a pair of support rods (6) corresponding to the connecting rope (46). The end of each support rod (6) away from the inner wall of the movable connecting rod (4) is fixedly connected to a retaining ring (61) through which the connecting rope (46) moves.

7. The high load-bearing track plate support structure according to claim 1, characterized in that, The lower surfaces of both ends of the movable connecting rod (4) are fixedly connected to a chassis (7), and the bottom of the chassis (7) is rotatably connected to multiple balls (71).

8. The high load-bearing track plate support structure according to claim 2, characterized in that, The bottom of the connecting frame (5) is provided with multiple inclined guide surfaces (53) for the movable connecting rod (4) to be inserted into the card hole (52).

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