Header oil cylinder protection mechanism

Abstract

The utility model relates to the technical field of header oil cylinders, and discloses a header oil cylinder protection mechanism which comprises an oil cylinder body and an oil cylinder telescopic rod, a fixed disc is fixedly connected to the circumferential outer wall of the oil cylinder telescopic rod and located at the top end of the circumferential outer wall of the oil cylinder telescopic rod, and the fixed disc is fixedly connected with the oil cylinder body. A fixing ring is fixedly connected to the outer wall of the circumference of the oil cylinder body, an annular groove is formed in the upper surface of the fixing ring and formed between the inner wall and the outer wall of the fixing ring, a wave-shaped hose sleeve adheres to the inner wall of the bottom of the annular groove, and the top end of the wave-shaped hose sleeve is fixed to the lower surface of the fixing disc. According to the oil cylinder, dust can be prevented from being attached to the surface of the telescopic rod of the oil cylinder, the oil cylinder body can be completely covered to form a protective sleeve, the oil cylinder body can be protected and prevented from being collided by foreign objects, and a worker can conveniently and rapidly assemble and disassemble the first arc-shaped plate and the second arc-shaped plate.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting platform oil cylinders, and more particularly to a cutting platform oil cylinder protection mechanism. Background Art

[0002] The oil cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. The header oil cylinder is used in wheat combine harvesters and is one of the important components of combine harvesters.

[0003] After searching, a Chinese patent with publication number CN214788331U discloses a wheat harvester cutting table cylinder. The device prevents dust from entering the sliding sleeve by setting a dustproof ring inside the sliding sleeve. However, after long-term use, a large amount of dust is easily adhered to the telescopic rod of the cylinder. Although the device prevents dust from entering the sliding sleeve, if the dust accumulates for a long time, it will affect the normal use of the cylinder. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cutting platform oil cylinder protection mechanism to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a cutting platform cylinder protection mechanism, comprising a cylinder body and a cylinder telescopic rod, a fixed plate fixedly connected to the circumferential outer wall of the cylinder telescopic rod, and the fixed plate is located at the top end of the circumferential outer wall of the cylinder telescopic rod, a fixed ring fixedly connected to the circumferential outer wall of the cylinder body, an annular groove is provided on the upper surface of the fixing ring, and the annular groove is provided between the inner wall and the outer wall of the fixing ring, a corrugated hose sleeve is bonded to the bottom inner wall of the annular groove, and the top end of the corrugated hose sleeve is fixed to the lower surface of the fixed plate.

[0006] As a further solution of the present invention, a first arc-shaped plate and a second arc-shaped plate are provided on the circumferential outer wall of the cylinder body, and the first arc-shaped plate and the second arc-shaped plate form a complete circle, both ends of the first arc-shaped plate are fixedly connected to the first fixing rod, both ends of the second arc-shaped plate are fixedly connected to the second fixing rod, and a locking assembly is provided between the first fixing rod and the second fixing rod.

[0007] As a further solution of the present invention, the locking assembly is a plurality of first avoidance grooves, and the plurality of first avoidance grooves are opened on one side of the first fixed rod, and a second avoidance groove corresponding to the positions of the plurality of first avoidance grooves is opened on one side of the second fixed rod, and a rotating rod is rotatably connected between the inner walls on both sides of the first avoidance groove, and a threaded rod is fixedly connected to the circumferential outer wall of the rotating rod, and a locking knob is threadedly connected to the threaded rod, and one side of the locking knob is in contact with one side of the second fixed rod.

[0008] As a further solution of the present invention, a bottom plate is fixedly connected to the bottom of the cylinder body, and the bottom plate is annularly sleeved on the cylinder body, and the bottom plate is in close contact with the bottom ends of the first arc plate and the second arc plate.

[0009] As a further solution of the present invention, the surface of the locking knob on the side in contact with the second fixing rod is provided with anti-slip grooves.

[0010] As a further solution of the present invention, a rubber ring is bonded to the upper surface of the fixing ring.

[0011] As a further solution of the present invention, the lengths of the first arc-shaped plate and the second arc-shaped plate are equal to the distance between the upper surface of the base plate and the lower surface of the fixing ring, and the lengths of the first fixing rod and the first arc-shaped plate are equal. Similarly, the lengths of the second fixing rod and the second arc-shaped plate are equal.

[0012] As a further solution of the present invention, two first half rings are provided on the circumferential inner wall of the first arc-shaped plate, and the two first half rings are located at the upper and lower ends of the circumferential inner wall of the first arc-shaped plate; two second half rings are provided on the circumferential inner wall of the second arc-shaped plate, and the two second half rings are located at the upper and lower ends of the circumferential inner wall of the second arc-shaped plate.

[0013] Technical effects and advantages of this utility model:

[0014] 1. The utility model can block the dust in the air through the corrugated hose sleeve, preventing the dust from adhering to the surface of the telescopic rod of the oil cylinder, and effectively avoiding the accumulation of dust on the surface of the telescopic rod of the oil cylinder, which affects the use of the cutting table oil cylinder.

[0015] 2. The utility model can completely cover the oil cylinder body by providing the first arc plate and the second arc plate to form a protective cover, which can protect the oil cylinder body and prevent it from being hit by foreign objects and directly colliding with the oil cylinder body to cause damage to it. The structure is simple.

[0016] 3. The utility model can detachably lock and fix the first arc plate and the second arc plate through the locking assembly. They can be installed when in use and can be disassembled at any time when not in use. The structure is simple and convenient for workers to quickly install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0019] Figure 3 It is a partial enlarged structural schematic diagram of the utility model.

[0020] Figure 4 This is a schematic diagram of the partially split structure of the utility model.

[0021] Figure 5 This is a schematic diagram of the enlarged structure of part A of the present invention.

[0022] The accompanying drawings are marked as follows: 1. Cylinder body; 2. Cylinder telescopic rod; 3. Fixed plate; 4. Fixed ring; 5. Annular groove; 6. Corrugated hose cover; 7. Rubber ring; 8. Bottom plate; 9. First arc plate; 10. Second arc plate; 11. First fixing rod; 12. Second fixing rod; 13. First half ring; 14. Second half ring; 15. First avoidance groove; 16. Second avoidance groove; 17. Rotating rod; 18. Threaded rod; 19. Locking knob. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Reference Figure 1-Figure 5 The utility model provides a cutting platform oil cylinder protection mechanism, including an oil cylinder body 1 and an oil cylinder telescopic rod 2. A fixing plate 3 is fixedly connected to the circumferential outer wall of the oil cylinder telescopic rod 2 by bolts, and the fixing plate 3 is located at the top position of the circumferential outer wall of the oil cylinder telescopic rod 2. A fixing ring 4 is fixedly connected to the circumferential outer wall of the oil cylinder body 1 by bolts. An annular groove 5 is provided on the upper surface of the fixing ring 4, and the annular groove 5 is provided between the inner wall and the outer wall of the fixing ring 4. A corrugated hose sleeve 6 is bonded to the bottom inner wall of the annular groove 5, and the top of the corrugated hose sleeve 6 is fixed to the lower surface of the fixing plate 3. The corrugated hose sleeve 6 can block dust in the air and prevent dust from adhering to the surface of the oil cylinder telescopic rod 2, effectively avoiding dust accumulation on the surface of the oil cylinder telescopic rod 2 and affecting the use of the cutting platform oil cylinder.

[0025] Among them, a first arc plate 9 and a second arc plate 10 are provided on the circumferential outer wall of the cylinder body 1, and the first arc plate 9 and the second arc plate 10 form a complete circle, and the two ends of the first arc plate 9 are welded with a first fixing rod 11, and the two ends of the second arc plate 10 are welded with a second fixing rod 12, and a locking assembly is provided between the first fixing rod 11 and the second fixing rod 12. The first arc plate 9 and the second arc plate 10 can completely cover the cylinder body 1 to form a protective cover, which can protect the cylinder body 1 from being collided with by foreign objects, directly colliding with the cylinder body 1 and causing damage to it. The structure is simple, and the locking assembly is a plurality of first avoidance grooves 15, and the plurality of first avoidance grooves 15 are opened in the first On one side of the fixed rod 11, one side of the second fixed rod 12 is provided with a second avoidance groove 16 corresponding to the position of the plurality of first avoidance grooves 15. A rotating rod 17 is rotatably connected between the inner walls of the two sides of the first avoidance groove 15. A threaded rod 18 is welded on the circumferential outer wall of the rotating rod 17. A locking knob 19 is threadedly connected to the threaded rod 18, and one side of the locking knob 19 is in contact with one side of the second fixed rod 12. The first arc plate 9 and the second arc plate 10 can be detachably locked and fixed by the provided locking assembly. They can be installed when in use and can be disassembled at any time when not in use. The structure is simple, which is convenient for the staff to quickly install and disassemble. A bottom plate 8 is welded to the bottom of the cylinder body 1, and the bottom plate 8 is annularly sleeved on the cylinder body 1 The bottom plate 8 is in close contact with the bottom ends of the first curved plate 9 and the second curved plate 10. The position of the first curved plate 9 and the second curved plate 10 can be limited by the bottom plate 8 provided. The surface of the side where the locking knob 19 contacts the second fixing rod 12 is provided with anti-slip grooves. The anti-slip grooves provided can effectively reduce the self-rotation of the locking knob 19 during operation, causing the locking knob 19 to be out of contact with the second fixing rod 12, resulting in loosening. The upper surface of the fixing ring 4 is bonded with a rubber ring 7. The rubber ring 7 provided can avoid direct collision and contact between the fixing plate 3 and the fixing ring 4 when the cylinder telescopic rod 2 is retracted, effectively making protection. The length and The distance between the upper surface of the bottom plate 8 and the lower surface of the fixing ring 4 is equal, and the length of the first fixing rod 11 and the first arc plate 9 is equal. Similarly, the length of the second fixing rod 12 and the second arc plate 10 is equal. Two first half rings 13 are provided on the circumferential inner wall of the first arc plate 9, and the two first half rings 13 are located at the upper and lower ends of the circumferential inner wall of the first arc plate 9. Two second half rings 14 are provided on the circumferential inner wall of the second arc plate 10, and the two second half rings 14 are located at the upper and lower ends of the circumferential inner wall of the second arc plate 10. The two first half rings 13 and the two second half rings 14 can prevent the first arc plate 9 and the second arc plate 10 from directly contacting the circumferential outer wall of the cylinder body 1, thereby preventing the problem of long-term adhesion and difficulty in disassembly.

[0026] The utility model is divided into the following steps when in use:

[0027] S1: When the header cylinder needs to be protected, first fix the fixing plate 3 on the cylinder telescopic rod 2, then install the fixing ring 4 on the circumferential outer wall of the cylinder body 1, and then place the corrugated hose sleeve 6 between the bottom inner wall of the annular groove 5 and the lower surface of the fixing plate 3. This can block dust and prevent it from adhering to the surface of the cylinder telescopic rod 2, effectively avoiding dust accumulation on the surface of the cylinder telescopic rod 2 and affecting the use of the header cylinder;

[0028] S2: Then the first arc plate 9 and the second arc plate 10 are sequentially sleeved on the circumferential outer wall of the cylinder body 1. After the edge positions of the first arc plate 9 and the second arc plate 10 are aligned, the threaded rod 18 is rotated to make it stuck in the second avoidance groove 16. Then the locking knob 19 is rotated to move the locking knob 19 toward the direction close to the second fixed rod 12. When the locking knob 19 is in close contact with the second fixed rod 12, the protection of the cylinder body 1 can be completed, and the cylinder body 1 can be completely covered to form a protective sleeve, which can protect the cylinder body 1 from being hit by foreign objects and directly colliding with the cylinder body 1 to cause damage to it. The structure is simple.

[0029] Finally, a few points should be noted: In the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted", "connected", and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0030] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A cutting platform oil cylinder protection mechanism, comprising an oil cylinder body (1) and an oil cylinder telescopic rod (2), characterized in that: A fixing plate (3) is fixedly connected to the circumferential outer wall of the oil cylinder telescopic rod (2), and the fixing plate (3) is located at the top end of the circumferential outer wall of the oil cylinder telescopic rod (2). A fixing ring (4) is fixedly connected to the circumferential outer wall of the oil cylinder body (1). An annular groove (5) is provided on the upper surface of the fixing ring (4), and the annular groove (5) is provided between the inner wall and the outer wall of the fixing ring (4). A corrugated hose sleeve (6) is bonded to the bottom inner wall of the annular groove (5), and the top end of the corrugated hose sleeve (6) is fixed to the lower surface of the fixing plate (3).

2. The header cylinder protection mechanism according to claim 1, characterized in that: A first arc-shaped plate (9) and a second arc-shaped plate (10) are provided on the circumferential outer wall of the oil cylinder body (1), and the first arc-shaped plate (9) and the second arc-shaped plate (10) form a complete circle, both ends of the first arc-shaped plate (9) are fixedly connected to a first fixing rod (11), and both ends of the second arc-shaped plate (10) are fixedly connected to a second fixing rod (12), and a locking assembly is provided between the first fixing rod (11) and the second fixing rod (12).

3. The header cylinder protection mechanism according to claim 2, characterized in that: The locking assembly comprises a plurality of first avoidance grooves (15), wherein the plurality of first avoidance grooves (15) are provided on one side of the first fixed rod (11), and a second avoidance groove (16) corresponding to the positions of the plurality of first avoidance grooves (15) is provided on one side of the second fixed rod (12), a rotating rod (17) is rotatably connected between the inner walls on both sides of the first avoidance groove (15), a threaded rod (18) is fixedly connected to the circumferential outer wall of the rotating rod (17), a locking knob (19) is threadedly connected to the threaded rod (18), and one side of the locking knob (19) contacts one side of the second fixed rod (12).

4. The header cylinder protection mechanism according to claim 3, characterized in that: The bottom of the oil cylinder body (1) is fixedly connected to a bottom plate (8), and the bottom plate (8) is annularly sleeved on the oil cylinder body (1), and the bottom plate (8) is in close contact with the bottom ends of the first arc plate (9) and the second arc plate (10).

5. The header cylinder protection mechanism according to claim 3, characterized in that: The surface of the locking knob (19) on the side in contact with the second fixing rod (12) is provided with anti-slip grooves.

6. The header cylinder protection mechanism according to claim 1, characterized in that: A rubber ring (7) is bonded to the upper surface of the fixing ring (4).

7. The header cylinder protection mechanism according to claim 4, characterized in that: The lengths of the first arc-shaped plate (9) and the second arc-shaped plate (10) are equal to the distance between the upper surface of the bottom plate (8) and the lower surface of the fixing ring (4), and the lengths of the first fixing rod (11) and the first arc-shaped plate (9) are equal. Similarly, the lengths of the second fixing rod (12) and the second arc-shaped plate (10) are equal.

8. The header cylinder protection mechanism according to claim 7, characterized in that: Two first half rings (13) are provided on the circumferential inner wall of the first arc-shaped plate (9), and the two first half rings (13) are located at the upper and lower ends of the circumferential inner wall of the first arc-shaped plate (9); two second half rings (14) are provided on the circumferential inner wall of the second arc-shaped plate (10), and the two second half rings (14) are located at the upper and lower ends of the circumferential inner wall of the second arc-shaped plate (10).

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