Tensioning structure of crawler excavator

Abstract

The utility model discloses a tensioning structure of a crawler excavator, the adjusting mechanism comprises crawler wheels rotatably connected to both sides of the inner wall of a crawler body, one side of the two crawler wheels is fixedly connected to a transmission shaft, the outer walls of the two transmission shafts are rotatably connected to a sleeve ring, one side of the outer walls of the two sleeve rings is fixedly connected to a first connecting rod, both ends of the top of the first connecting rod are fixedly connected to two fixing seats, one side of each fixing seat is rotatably connected to a first movable rod, and the middle parts of every two adjacent first movable rods are rotatably connected. According to the utility model, when construction is carried out on different construction road surfaces, the fixed seat on one side is pushed to move under the drive of the electric telescopic rod at the bottom, so as to lift up the first movable rod at the top, so that the tension of the crawler can be adjusted without the need for staff to adjust it, thereby improving the working efficiency of the crawler excavator during use.

Description

Technical Field

[0001] The utility model relates to the technical field of tensioning of crawler excavators, in particular to a tensioning structure of a crawler excavator. Background Art

[0002] A crawler hydraulic excavator is an earth-moving machine that uses a bucket to dig materials above or below the supporting surface and loads them into transport vehicles or unloads them to a stockpile. During the use of a crawler excavator, its crawler tracks need to be tensioned and adjusted.

[0003] During the use of crawler excavators, due to the wide range of applications of crawler excavators, they need to travel on different environmental road conditions. During the travel on different construction sites, the requirements for the tension of the crawler tracks are different, and the staff are required to adjust the tension, which is time-consuming and labor-intensive, and reduces the working efficiency of the crawler excavator during use. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a tensioning structure of a crawler excavator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a tensioning structure of a crawler excavator, including a tensioning structure, the tensioning structure is mainly used to adjust the tension of the crawler of the crawler excavator, the tensioning mechanism includes a crawler body, and an adjustment mechanism is arranged inside the crawler body;

[0006] The adjusting mechanism includes track wheels rotatably connected to both sides of the inner wall of the track body, one side of the two track wheels is fixedly connected to a transmission shaft, the outer walls of the two transmission shafts are rotatably connected to a collar, one side of the outer walls of the two collars is fixedly connected to a first connecting rod, both ends of the top of the first connecting rod are fixedly connected to two fixed seats, one side of each of the fixed seats is rotatably connected to a first movable rod, and the middle parts of every two adjacent first movable rods are rotatably connected, and every two sides relative to the first movable rods are fixedly connected to a second connecting rod.

[0007] In one example, a groove is provided on one side of the top of the first connecting rod, a movable block is slidably connected inside the groove, and the movable block is fixedly connected to the bottom of two relatively fixed seats, an electric telescopic rod is fixedly connected to one side of the inner wall of the groove, and the other end of the electric telescopic rod is fixedly connected to one side of the movable block.

[0008] In one example, each of the other ends of the two relative first movable rods is rotatably connected to a third connecting rod, and the outer walls of the two third connecting rods are sleeved with a ring.

[0009] In one example, the tops of the two rings are fixedly connected to support columns, the tops of the two support columns are fixedly connected to rings, and one side of the two rings is rotatably connected to rollers.

[0010] In one example, a switch panel is provided on one side of the first connecting rod, and an electric telescopic rod switch is provided on the surface of the switch panel. The electric telescopic rod is electrically connected to an external power supply through the electric telescopic rod switch.

[0011] The tensioning structure of a crawler excavator proposed by the utility model can bring the following beneficial effects:

[0012] 1. The tensioning structure of a crawler excavator is provided with a collar, a first connecting rod, a fixed seat, a second connecting rod, a first movable rod, a groove, an electric telescopic rod, and a movable block on one side of a transmission shaft. When in use, when construction is carried out on different construction road surfaces, the fixed seat on one side is pushed to move by the electric telescopic rod at the bottom, thereby lifting the first movable rod at the top, so that the tension of the crawler can be adjusted without the need for staff to adjust it, thereby improving the working efficiency of the crawler excavator during use.

[0013] The tensioning structure of the crawler excavator is provided with a third connecting rod, a ring, a support column, a ring and a roller at the other end of the first movable rod. When the first movable rod is driven upward, the roller will press against the inner wall of the crawler body during use. While the tension of the crawler body is adjusted, the roller is in a rotatable state, so that the movement of the crawler is not affected during adjustment, thereby improving its adaptability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the crawler of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the roller position structure of the utility model.

[0019] In the figure: 1. crawler body; 2. crawler wheel; 3. transmission shaft; 4. collar; 5. first connecting rod; 6. fixed seat; 7. second connecting rod; 8. first movable rod; 9. groove; 10. electric telescopic rod; 11. movable block; 12. third connecting rod; 13. ring; 14. support column; 15. collar; 16. roller. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the utility model, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0021] Embodiment 1, the utility model provides as follows Figure 1 - Figure 4 A tensioning structure of a crawler excavator shown in the figure includes a tensioning structure, which is mainly used to tension and adjust the crawler track of the crawler excavator. The tensioning mechanism includes a crawler body 1, and an adjustment mechanism is arranged inside the crawler body 1. The adjustment mechanism includes crawler wheels 2 rotatably connected to both sides of the inner wall of the crawler body 1, one side of the two crawler wheels 2 is fixedly connected to a transmission shaft 3, the outer walls of the two transmission shafts 3 are rotatably connected to a collar 4, one side of the outer walls of the two collars 4 is fixedly connected to a first connecting rod 5, both ends of the top of the first connecting rod 5 are fixedly connected to two fixed seats 6, one side of each fixed seat 6 is rotatably connected to a first movable rod 8, and the middle parts of every two adjacent first movable rods 8 are rotatably connected, and every two sides relative to the first movable rods 8 are fixedly connected to a second connecting rod 7, and a recess is provided on one side of the top of the first connecting rod 5 The groove 9 is slidably connected to a movable block 11 inside the groove 9, and the movable block 11 is fixedly connected to the bottom of two relatively fixed seats 6. An electric telescopic rod 10 is fixedly connected to one side of the inner wall of the groove 9, and the other end of the electric telescopic rod 10 is fixedly connected to one side of the movable block 11. By arranging a collar 4, a first connecting rod 5, a fixed seat 6, a second connecting rod 7, a first movable rod 8, a groove 9, an electric telescopic rod 10, and a movable block 11 on one side of the transmission shaft 3, when in use, when construction is carried out on different construction road surfaces, the fixed seat 6 on one side can be pushed to move under the drive of the electric telescopic rod 10 at the bottom, thereby lifting the first movable rod 8 at the top, so that the tension of the crawler track can be adjusted without the need for staff to adjust it, thereby improving the working efficiency of the crawler excavator during use.

[0022] Embodiment 2, the utility model provides as follows Figure 3 - Figure 4The tensioning structure of a crawler excavator shown in the figure includes a third connecting rod 12 rotatably connected to the other end of each two relative first movable rods 8, the outer walls of the two third connecting rods 12 are sleeved with a ring 13, the tops of the two rings 13 are fixedly connected to support columns 14, the tops of the two support columns 14 are fixedly connected to rings 15, and one side of the two rings 15 is rotatably connected to rollers 16. By arranging the third connecting rod 12, ring 13, support column 14, ring 15, and roller 16 at the other end of the first movable rod 8, when in use, when the first movable rod 8 is driven upward, the roller 16 will press against the inner wall of the crawler body 1, and while the tension of the crawler body 1 is adjusted, the roller 16 is in a rotatable state, so that it will not affect the movement of the crawler body 1 while adjusting it, thereby improving its adaptability during use.

[0023] Working principle: The utility model discloses a tensioning structure of a crawler excavator. When in use, by setting a collar 4, a first connecting rod 5, a fixed seat 6, a second connecting rod 7, a first movable rod 8, a groove 9, an electric telescopic rod 10, and a movable block 11 on one side of a transmission shaft 3, when in use, when construction is carried out on different construction roads, the fixed seat 6 on one side is pushed to move under the drive of the electric telescopic rod 10 at the bottom, so as to lift up the first movable rod 8 at the top, so that the tension of the crawler can be adjusted, and no work is required. The operators adjust it, which improves the working efficiency of the crawler excavator during use. At the same time, by setting the third connecting rod 12, the ring 13, the support column 14, the ring 15, and the roller 16 at the other end of the first movable rod 8, when the first movable rod 8 is driven upward, the roller 16 will press against the inner wall of the crawler body 1, and the tension of the crawler body 1 can be adjusted while the roller 16 is in a rotatable state, so that it will not affect the movement of the crawler body 1 during adjustment, thereby improving its adaptability during use.

[0024] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0025] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A tensioning structure for a crawler excavator, comprising a tensioning structure, the tensioning structure being mainly used for tensioning and adjusting a crawler track of the crawler excavator, the tensioning structure comprising a crawler body (1), an adjusting mechanism being arranged inside the crawler body (1); Features: The adjustment mechanism comprises track wheels (2) rotatably connected to both sides of the inner wall of the track body (1); one side of the two track wheels (2) is fixedly connected to a transmission shaft (3); the outer walls of the two transmission shafts (3) are rotatably connected to a collar (4); one side of the outer walls of the two collars (4) is fixedly connected to a first connecting rod (5); both ends of the top of the first connecting rod (5) are fixedly connected to two fixing seats (6); one side of each fixing seat (6) is rotatably connected to a first movable rod (8); the middle parts of every two adjacent first movable rods (8) are rotatably connected; and every two sides opposite to the first movable rods (8) are fixedly connected to a second connecting rod (7).

2. The tensioning structure of a crawler excavator according to claim 1, characterized in that: A groove (9) is provided on one side of the top of the first connecting rod (5); a movable block (11) is slidably connected inside the groove (9); the movable block (11) is fixedly connected to the bottoms of two relatively fixed seats (6); an electric telescopic rod (10) is fixedly connected to one side of the inner wall of the groove (9); and the other end of the electric telescopic rod (10) is fixedly connected to one side of the movable block (11).

3. The tensioning structure of a crawler excavator according to claim 1, characterized in that: The other ends of each of the two rods relative to the first movable rods (8) are rotatably connected to a third connecting rod (12), and the outer walls of the two third connecting rods (12) are sleeved with a circular ring (13).

4. The tensioning structure of a crawler excavator according to claim 3, characterized in that: The tops of the two circular rings (13) are fixedly connected to support columns (14), the tops of the two support columns (14) are fixedly connected to ferrules (15), and one side of the two ferrules (15) is rotatably connected to a roller (16).

5. The tensioning structure of a crawler excavator according to claim 2, characterized in that: A switch panel is provided on one side of the first connecting rod (5), and an electric telescopic rod switch is provided on the surface of the switch panel. The electric telescopic rod (10) is electrically connected to an external power source via the electric telescopic rod switch.

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