Crawler belt tensioning device for amphibious crawler belt self-propelled chassis

By designing a track tensioning device that includes a tensioning frame, tensioning wheel, tensioning seat, tensioning rod, and tensioning head, the problems of long adjustment time and pressure fluctuation of hydraulic devices in traditional track tensioning mechanisms are solved, achieving rapid and stable track tensioning, and reducing energy consumption and wear of seals.

CN224029109UActive Publication Date: 2026-03-24TAIZHOU HEXIANG MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional amphibious vehicles and amphibious ships' track tensioning mechanisms cannot adjust the tension force in real time. The adjustment process is time-consuming, and the hydraulic devices are prone to pressure fluctuations under alternating loads, leading to increased energy consumption and aging and leakage of seals.

Method used

A track tensioning device was designed, comprising a tensioning frame, a tensioning wheel, a tensioning seat, a tensioning rod, and a tensioning head. The track can be quickly adjusted by adjusting the slide groove and adjusting bolt, and stable tension can be achieved by the transmission between the track drive assembly and the tensioning wheel.

Benefits of technology

It achieves rapid and stable track tensioning, reduces system energy consumption and seal wear, and improves equipment operational reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a track tensioning device for an amphibious track self-propelled chassis, and belongs to the field of agricultural machinery. The tensioning device comprises a tensioning frame, a tensioning wheel, a tensioning seat, a tensioning rod and a tensioning head, the tensioning wheel is installed on the tensioning frame, one end of the tensioning rod is installed on the tensioning seat, the tensioning head is installed at the other end of the tensioning rod, the tensioning head makes contact with the tensioning frame, an adjusting sliding groove is formed in the bottom of the tensioning frame, and the adjusting sliding groove is connected with the tensioning rod. An adjusting sliding groove is formed in the base plate, an adjusting bolt penetrates through the adjusting sliding groove, the adjusting bolt is installed on the base plate, a tensioning clamping groove is formed in the side portion of the tensioning frame, the tensioning head is located in the tensioning clamping groove, the crawler belt tensioning device is installed at one end of the base plate and used for tensioning a crawler belt, and a crawler belt driving assembly used for driving the crawler belt is installed at the other end of the base plate. The crawler belt tensioning device and the crawler belt driving assembly are in transmission through a crawler belt.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a track tensioner for amphibious tracked self-propelled chassis belongs to agricultural machinery field. BACKGROUND

[0002] Amphibious vehicles and amphibious ships are mainly used for fishing, and are often operated in beach environments. Traditional mechanical tensioning mechanisms rely on preset tension or are difficult to adjust, and cannot adjust the tension in real time on site. When adjusting, multiple bolts need to be disassembled and the track frame needs to be hoisted as a whole, which takes a long time. Traditional hydraulic tensioning devices are prone to pressure fluctuations under alternating loads, causing the accumulator to frequently pump and pressurize, increasing system energy consumption. More seriously, the oil temperature will rise during continuous operation, accelerating the aging of the sealing elements and increasing the leakage rate. SUMMARY

[0003] The utility model discloses a track tensioner for amphibious tracked self-propelled chassis with a reasonable structure design to overcome the above-mentioned deficiencies in the prior art.

[0004] The utility model discloses a track tensioner for amphibious tracked self-propelled chassis with a reasonable structure design to overcome the above-mentioned deficiencies in the prior art.

[0005] Further, the bottom of the tensioning frame is provided with an adjusting sliding groove, and the adjusting sliding groove is penetrated by an adjusting bolt, and the adjusting bolt is installed on the chassis.

[0006] Further, the side of the tensioning frame is provided with a tensioning clamping groove, and the tensioning head is located in the tensioning clamping groove.

[0007] Further, the track tensioner is installed at one end of the chassis for tensioning the track, and the other end of the chassis is provided with a track driving assembly for driving the track, and the track tensioner and the track driving assembly are connected through the track transmission.

[0008] Further, the track driving assembly comprises a driving frame, a driving wheel and a driving motor, the driving frame is installed at the other end of the chassis, the driving motor is installed on the driving frame, the driving wheel is connected with the driving motor, and the driving wheel and the tensioning wheel are connected through the track transmission.

[0009] Further, the tensioning rod and the tensioning seat are threadedly connected.

[0010] Further, the tensioning frame and the tensioning seat are both installed on the chassis.

[0011] Compared with the prior art, the amphibious tracked self-propelled chassis has the following advantages:

[0012] The track tensioning device for the amphibious tracked self-propelled chassis is installed on the chassis and can be used to tension the track, and when the track is tensioned and adjusted by using the track tensioning device, the tensioning head can make the tensioning frame abut against the tensioning rod by twisting the tensioning rod, and after the adjustment is completed, the tensioning frame and the chassis can be fixed by the adjusting bolt to ensure the stability of the tensioning frame and ensure that the tensioning frame will not move to cause the track to be loose. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a perspective structural schematic view of the track tensioning device of the embodiment of the utility model.

[0014] Fig. 2 is a sectional structural schematic view of the track tensioning device of the embodiment of the utility model.

[0015] Fig. 3 is a perspective structural schematic view of the track driving assembly of the embodiment of the utility model.

[0016] Fig. 4 is a perspective structural schematic view of the amphibious tracked self-propelled chassis of the embodiment of the utility model.

[0017] In the drawing: tensioning frame 1, tensioning wheel 2, tensioning seat 3, tensioning rod 4, tensioning head 5, adjusting sliding groove 6, tensioning clamping groove 7,

[0018] Chassis A, track B, track driving assembly C,

[0019] Driving frame C1, driving wheel C2, driving motor C3. DETAILED DESCRIPTION

[0020] The utility model will be further explained in detail in combination with the drawings and through the embodiment, and the following embodiment is an explanation of the utility model, and the utility model is not limited to the following embodiment.

[0021] EMBODIMENT

[0022] Referring to Figs. 1 to 4As shown, it is understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation of the present application. The conditions, so it has no technical significance, any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and purpose of the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, if there are words such as "up", "down", "left", "right", "middle" and "one" in the present specification, they are only for the convenience of clear description, not for limiting the scope of the present application, and the change or adjustment of the relative relationship is also regarded as the scope of the present application without changing the technical content.

[0023] The track tensioning device for amphibious tracked self-propelled chassis in the embodiment comprises a tensioning frame 1, a tensioning wheel 2, a tensioning seat 3, a tensioning rod 4 and a tensioning head 5, the tensioning wheel 2 is installed on the tensioning frame 1, one end of the tensioning rod 4 is installed on the tensioning seat 3, the tensioning rod 4 is threadedly connected with the tensioning seat 3, the tensioning head 5 is installed on the other end of the tensioning rod 4, and the tensioning head 5 is in contact with the tensioning frame 1.

[0024] The bottom of the tensioning frame 1 in the embodiment is provided with an adjusting sliding groove 6, the adjusting sliding groove 6 is penetrated by an adjusting bolt, the adjusting bolt is installed on the chassis A, the side of the tensioning frame 1 is provided with a tensioning clamping groove 7, the tensioning head 5 is located in the tensioning clamping groove 7, and the tensioning frame 1 and the tensioning seat 3 are both installed on the chassis A.

[0025] The track tensioning device is installed at one end of the chassis A for tensioning the track B, the other end of the chassis A is provided with a track driving assembly C for driving the track B, and the track tensioning device and the track driving assembly C are driven through the track B.

[0026] The track driving assembly C in the embodiment comprises a driving frame C1, a driving wheel C2 and a driving motor C3, the driving frame C1 is installed at the other end of the chassis A, the driving motor C3 is installed on the driving frame C1, the driving wheel C2 is connected with the driving motor C3, and the driving wheel C2 is driven through the track B.

[0027] Specifically, the amphibious tracked self-propelled chassis can be powered by the driving motor C3 to drive the driving wheel C2 to rotate when walking, so that the track B is driven by the driving wheel C2 and the tensioning wheel 2 to realize the walking of the chassis A. The track B can be adjusted by the track tensioning device. When adjusting the tensioning, the adjusting bolt needs to be screwed, which can make the tensioning frame 1 move in the radial direction of the adjusting bolt through the adjusting sliding groove 6, make the tensioning rod 4 rotate out of the tensioning seat 3 by rotating the tensioning rod 4, make the tensioning head 5 clamped in the tensioning slot 7 by driving the tensioning head 5 with the tensioning rod 4, and then push the tensioning frame 1 to move, drive the tensioning wheel 2 to move through the tensioning frame 1, so as to tension the track B. After the adjustment is completed, the adjusting bolt is tightened.

[0028] In addition, it should be noted that the specific embodiments described in the specification, the shape of the components, the name taken, etc. can be different, and the above described in the specification is only an example of the structure of the utility model. Any equivalent change or simple change made according to the structure, features and principles described in the utility model patent concept is included in the protection scope of the utility model patent. The skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as it does not deviate from the structure of the utility model or exceed the scope defined in the claims, which shall belong to the protection scope of the utility model.

Claims

1. A track tensioner for an amphibious tracked self-propelled chassis, characterised in that: The invention relates to a track tensioning device, comprising a tensioning frame (1), a tensioning wheel (2), a tensioning seat (3), a tensioning rod (4) and a tensioning head (5), wherein the tensioning wheel (2) is installed on the tensioning frame (1), one end of the tensioning rod (4) is installed on the tensioning seat (3), the tensioning head (5) is installed on the other end of the tensioning rod (4), and the tensioning head (5) is in contact with the tensioning frame (1).

2. The track tensioner for an amphibious tracked self-propelled chassis of claim 1, wherein: The bottom of the tensioning frame (1) is provided with an adjusting sliding groove (6) which is penetrated by an adjusting bolt, and the adjusting bolt is installed on a chassis (A).

3. The track tensioner for an amphibious tracked self-propelled chassis of claim 1, wherein: The side of the tensioning frame (1) is provided with a tensioning clamping groove (7), and the tensioning head (5) is located in the tensioning clamping groove (7).

4. The track tensioner for an amphibious tracked self-propelled chassis of claim 1, wherein: The track tensioning device is installed on one end of the chassis (A) for tensioning a track (B), the other end of the chassis (A) is provided with a track driving assembly (C) for driving the track (B), and the track tensioning device and the track driving assembly (C) are driven through the track (B).

5. The track tensioner for an amphibious tracked self-propelled chassis of claim 4, wherein: The track driving assembly (C) comprises a driving frame (C1), a driving wheel (C2) and a driving motor (C3), wherein the driving frame (C1) is installed on the other end of the chassis (A), the driving motor (C3) is installed on the driving frame (C1), the driving wheel (C2) is connected with the driving motor (C3), and the driving wheel (C2) is driven through the track (B) with the tensioning wheel (2).

6. The track tensioner for an amphibious tracked self-propelled chassis of claim 1, wherein: The tensioning rod (4) is threadedly connected with the tensioning seat (3).

7. The track tensioner for an amphibious tracked self-propelled chassis of claim 1, wherein: The tensioning frame (1) and the tensioning seat (3) are both installed on the chassis (A).