Bucket rod cylinder with protective structure

Abstract

The utility model relates to the technical field of excavator auxiliary equipment, and discloses a bucket rod cylinder with a protective structure, which comprises a cylinder barrel, a cylinder rod is slidably connected to the middle of the cylinder barrel, a protective shell I and a protective shell II are arranged on the periphery of the cylinder barrel, a plurality of springs are fixedly connected to the middle of the protective shell I and the middle of the protective shell II, and the protective shell I and the protective shell II are arranged on the cylinder barrel. A sleeve shell is fixedly connected to the outer side of the first protective shell, a movable plate is slidably connected to the interior of the sleeve shell, a movable block is rotatably connected to the bottom of the movable plate, a clamping block is rotatably connected to the other end of the movable block, and a first telescopic rod is fixedly connected to one side of the clamping block. According to the utility model, the button is pressed to drive the movable plate to move downwards, and when the movable plate moves downwards, the movable block drives the clamping block to move at the same time, so that the clamping block slides into the sleeve shell, the first protective shell and the second protective shell are connected and fixed conveniently, and the received impact can be buffered.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary equipment for excavators, in particular to a boom cylinder with a protective structure. Background Art

[0002] In the field of construction machinery, the boom cylinder is an important actuator, which is widely used in excavators, loaders and other equipment. The performance of the boom cylinder directly affects the operating efficiency and safety of these equipment.

[0003] In actual use, the boom cylinder often faces harsh working environments, such as erosion by impurities such as dust, sand, and moisture, as well as the influence of mechanical stress such as impact and vibration. These factors will have a serious impact on the performance and service life of the boom cylinder.

[0004] In the prior art, foam and rubber pads are often used to improve the impact resistance and cushion the impact, but there are still some shortcomings. The prior art cannot quickly install and disassemble the protective shell. During the actual use of the machinery, the boom cylinder needs to be frequently maintained and replaced, and the installation and disassembly process of the protective shell is cumbersome and complicated, which not only increases the maintenance cost, but also reduces the adaptability and efficiency of the equipment. Therefore, a boom cylinder with a protective structure is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a boom cylinder with a protective structure, aiming to improve the problem in the prior art that the protective shell cannot be quickly installed and disassembled.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a boom cylinder with a protective structure, comprising a cylinder barrel, a cylinder rod being slidably connected to the middle part of the cylinder barrel, a protective shell 1 and a protective shell 2 being arranged on the outer periphery of the cylinder barrel, a plurality of springs being fixedly connected to the middle parts of the protective shell 1 and the protective shell 2, a sleeve being fixedly connected to the outer side of the protective shell 1, a movable plate being slidably connected to the interior of the sleeve, a movable block being rotatably connected to the bottom of the movable plate, a clamping block being rotatably connected to the other end of the movable block, a telescopic rod 1 being fixedly connected to one side of the clamping block, a compression spring 1 being fixedly connected to the interior of the sleeve, and the other end of the compression spring 1 being fixedly connected to one side of the clamping block, a clamping groove being provided on the outer side of the protective shell 2, the clamping groove and the clamping block being clamped together, and a connecting component being provided on the top of the movable plate.

[0007] As a further description of the above technical solution:

[0008] The connecting component comprises a button, the button is fixedly connected to the top of the movable plate, and the button is slidably connected to the middle of the casing.

[0009] As a further description of the above technical solution:

[0010] The outer peripheries of the protective shell 1 and the protective shell 2 are provided with connecting block 1 and connecting block 2, the outer side of the connecting block 1 is fixedly connected with the fixing block 1, the outer side of the connecting block 2 is fixedly connected with the fixing block 2, the middle part of the fixing block 2 is threadedly connected with a fastening screw, the outer side of the connecting block 1 is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with a fixed shell, the middle part of the fixed shell is fixedly connected with a telescopic rod 2, the other end of the telescopic rod 2 is fixedly connected with a dust removal block 1, the top of the dust removal block 1 is provided with a dust removal block 2, and the middle part of the fixed shell is provided with a reset component.

[0011] As a further description of the above technical solution:

[0012] The reset assembly comprises a second compression spring, the second compression spring is fixedly connected to the middle part of the fixed shell, and the second compression spring is sleeved on the outer periphery of the second telescopic rod.

[0013] As a further description of the above technical solution:

[0014] Specifically, two connecting rods are provided, and one of the connecting rods is rotatably connected to the outer side of the second connecting block.

[0015] As a further description of the above technical solution:

[0016] The telescopic rod 1 and the compression spring 1 are both provided with two, and the two compression springs 1 are both sleeved on the outer circumferences of the two telescopic rods 1.

[0017] As a further description of the above technical solution:

[0018] The first fixing block does not contact the second fixing block.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, the movable plate is driven to move downward by pressing a button. When the movable plate moves downward, the card block is driven to move simultaneously through the movable block, so that the card block slides into the interior of the sleeve, thereby facilitating the connection and fixation of the protective shell one and the protective shell two, and can buffer the impact received, further improving the service life of the boom cylinder.

[0021] 2. In the utility model, the fixing block 1 and the fixing block 2 can be connected and fixed by rotating the fastening screws, and the connecting block 1 and the connecting block 2 can be connected and fixed at the same time. When the fixing is completed, the dust removal block 1 and the dust removal block 2 can be pushed out by the telescopic rod 2 and the compression spring 2, so that the dust removal block 1 and the dust removal block 2 fit the surface of the cylinder rod, thereby preventing the dust adhered to the surface of the cylinder rod from entering the interior of the cylinder barrel, while improving the work efficiency and the service life of the boom cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional schematic diagram of a boom cylinder with a protective structure proposed by the utility model;

[0023] Figure 2 This is a schematic structural diagram of a spring of a boom cylinder with a protective structure proposed by the utility model;

[0024] Figure 3 This is a structural schematic diagram of a clamping block of a boom cylinder with a protective structure proposed by the utility model;

[0025] Figure 4 The utility model is a schematic structural diagram of a dust removal block of a boom cylinder with a protective structure.

[0026] Legend:

[0027] 1. Cylinder barrel; 2. Cylinder rod; 3. Protective shell 1; 4. Protective shell 2; 5. Spring; 6. Slot; 7. Shell; 8. Button; 9. Movable plate; 10. Movable block; 11. Block; 12. Fixed block 2; 13. Telescopic rod 1; 14. Compression spring 1; 15. Connecting block 1; 16. Connecting rod; 17. Fixed shell; 18. Telescopic rod 2; 19. Compression spring 2; 20. Dust removal block 1; 21. Connecting block 2; 22. Fixed block 1; 23. Fastening screw; 24. Dust removal block 2. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-Figure 3The utility model provides an embodiment: a boom cylinder with a protective structure, comprising a cylinder barrel 1, a cylinder rod 2 is slidably connected to the middle part of the cylinder barrel 1, a protective shell 1 3 and a protective shell 2 4 are arranged on the outer periphery of the cylinder barrel 1, and a plurality of springs 5 ​​are fixedly connected to the middle parts of the protective shell 1 3 and the protective shell 2 4, the protective shell 1 3 and the protective shell 2 4 can protect the cylinder barrel 1, thereby preventing the cylinder barrel 1 from being damaged by impact, and at the same time, the plurality of springs 5 ​​can buffer the impact force generated by the impact, and further protect the cylinder barrel 1, a sleeve shell 7 is fixedly connected to the outer side of the protective shell 1 3, a movable plate 9 is slidably connected to the inner side of the sleeve shell 7, and a movable block 10 is rotatably connected to the bottom of the movable plate 9, and when the movable plate 9 moves, the movable block 10 will be driven to move at the same time.

[0030] Reference Figure 3 The other end of the movable block 10 is rotatably connected with a card block 11. When the movable block 10 moves, it will drive the card block 11 to move, so that the card block 11 slides into the interior of the casing 7, so as to facilitate the connection and fixation of the protective shell 1 3 and the protective shell 2 4. A telescopic rod 13 is fixedly connected to one side of the card block 11, and the other end of the telescopic rod 13 is fixedly connected to the interior of the casing 7. A compression spring 14 is fixedly connected to the interior of the casing 7, and the other end of the compression spring 14 is fixedly connected to one side of the card block 11. A card slot 6 is provided on the outside of the protective shell 2 4. The telescopic rod 13 and the compression spring 14 facilitate the ejection of the card block 11, so as to be clamped and fixed with the card slot 6. The card slot 6 and the card block 11 are clamped, and a connecting component is provided on the top of the movable plate 9.

[0031] Reference Figure 3 and Figure 4 The connection assembly includes a button 8, which is fixedly connected to the top of the movable plate 9. The button 8 is convenient for the staff to drive the movable plate 9 to move. The button 8 is slidably connected to the middle of the casing 7. The outer periphery of the protective shell 1 3 and the protective shell 2 4 is provided with a connecting block 15 and a connecting block 2 21. The outer side of the connecting block 15 is fixedly connected with a fixing block 1 22. The outer side of the connecting block 21 is fixedly connected with a fixing block 2 12. The middle part of the fixing block 2 12 is threadedly connected with a fastening screw 23. The fastening screw 23 facilitates the connection and fixation of the fixing block 1 22 and the fixing block 2 12. At the same time, it is convenient to connect and fix the connecting block 15 and the connecting block 2 21. The outer side of the connecting block 15 is rotatably connected to the connecting rod 16, and the other end of the connecting rod 16 is rotatably connected to the fixed shell 17. The middle part of the fixed shell 17 is fixedly connected to the telescopic rod 2 18, and the other end of the telescopic rod 2 18 is fixedly connected to the dust removal block 1 20. The top of the dust removal block 1 20 is provided with a dust removal block 24. The dust removal blocks 1 20 and the dust removal blocks 2 24 are convenient for cleaning the dust on the surface of the cylinder rod 2, thereby preventing dust from entering the interior of the cylinder barrel 1. A reset component is provided in the middle of the fixed shell 17.

[0032] Reference Figure 4The reset assembly includes a compression spring 19, which is fixedly connected to the middle of the fixed shell 17. The compression spring 19 is sleeved on the outer periphery of the telescopic rod 18. The compression spring 19 and the telescopic rod 18 facilitate the ejection of the dust removal block 1 20 and the dust removal block 24. Two connecting rods 16 are specifically provided, one of which is rotatably connected to the outer side of the connecting block 21. The two connecting rods 16 can make the fixed shell 17 more stable.

[0033] Reference Figure 3 and Figure 4 There are two telescopic rods 13 and two compression springs 14, and the two compression springs 14 are sleeved on the outer circumference of the two telescopic rods 13. The telescopic rods 13 and the compression springs 14 facilitate better ejection of the card block 11, and the fixed block 22 does not contact the fixed block 2 12.

[0034] Working principle: when the protective shell 1 3 and the protective shell 2 4 are connected and fixed, they are moved by pressing the button 8. When the button 8 moves, the movable plate 9 is driven to move. When the movable plate 9 is moved, the movable block 10 is driven to move at the same time. When the movable block 10 moves, the card block 11 is driven to move, so that the card block 11 slides into the interior of the sleeve 7. After the card block 11 slides into the interior of the sleeve 7, the protective shell 1 3 and the protective shell 2 4 can be connected. After the connection, release the button 8 so that the telescopic rod 1 13 and the compression spring 1 14 push the card block 11 out and fix it with the card slot 6, thereby facilitating the buffering of the impact received and further improving the service life of the boom cylinder.

[0035] When the dust on the surface of the cylinder rod 2 is scraped off, the fixing block 1 22 is connected and fixed with the fixing block 2 12 by rotating the fastening screw 23, and the connecting block 15 and the connecting block 2 21 can be connected and fixed at the same time. When the fixation is completed, the dust removal block 1 20 and the dust removal block 2 24 can be pushed out by the telescopic rod 2 18 and the compression spring 2 19, so that the dust removal block 1 20 and the dust removal block 2 24 fit the surface of the cylinder rod 2, thereby preventing the dust adhered to the surface of the cylinder rod 2 from entering the interior of the cylinder barrel 1, and at the same time improving the service life of the boom cylinder.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A boom cylinder with a protective structure, comprising a cylinder barrel (1), characterized in that: The middle of the cylinder (1) is slidably connected to a cylinder rod (2), and the outer periphery of the cylinder (1) is provided with a protective shell 1 (3) and a protective shell 2 (4). The middle of the protective shell 1 (3) and the protective shell 2 (4) are fixedly connected to a plurality of springs (5). The outer side of the protective shell 1 (3) is fixedly connected to a sleeve (7), and the interior of the sleeve (7) is slidably connected to a movable plate (9). The bottom of the movable plate (9) is rotatably connected to a movable block (10), and the other end of the movable block (10) is rotatably connected to A card block (11), one side of the card block (11) is fixedly connected to a telescopic rod (13), the other end of the telescopic rod (13) is fixedly connected to the inside of the casing (7), the inside of the casing (7) is fixedly connected to a compression spring (14), the other end of the compression spring (14) is fixedly connected to one side of the card block (11), a card slot (6) is provided on the outside of the protective shell (4), the card slot (6) and the card block (11) are snap-connected, and a connecting component is provided on the top of the movable plate (9).

2. The arm cylinder with a protective structure according to claim 1, characterized in that: The connecting assembly comprises a button (8), the button (8) is fixedly connected to the top of the movable plate (9), and the button (8) is slidably connected to the middle of the housing (7).

3. The arm cylinder with a protective structure according to claim 1, characterized in that: The outer peripheries of the protective shell 1 (3) and the protective shell 2 (4) are provided with a connecting block 1 (15) and a connecting block 2 (21), the outer side of the connecting block 1 (15) is fixedly connected to a fixing block 1 (22), the outer side of the connecting block 2 (21) is fixedly connected to a fixing block 2 (12), the middle part of the fixing block 2 (12) is threadedly connected to a fastening screw (23), the outer side of the connecting block 1 (15) is rotatably connected to a connecting rod (16), the other end of the connecting rod (16) is rotatably connected to a fixed shell (17), the middle part of the fixed shell (17) is fixedly connected to a telescopic rod 2 (18), the other end of the telescopic rod 2 (18) is fixedly connected to a dust removal block 1 (20), the top of the dust removal block 1 (20) is provided with a dust removal block 2 (24), and the middle part of the fixed shell (17) is provided with a reset component.

4. The arm cylinder with a protective structure according to claim 3, characterized in that: The reset assembly includes a second compression spring (19), which is fixedly connected to the middle of the fixed shell (17) and is sleeved on the outer periphery of the second telescopic rod (18).

5. The arm cylinder with a protective structure according to claim 3, characterized in that: Specifically, two connecting rods (16) are provided, and one of the connecting rods (16) is rotatably connected to the outside of the second connecting block (21).

6. The arm cylinder with a protective structure according to claim 1, characterized in that: The telescopic rod (13) and the compression spring (14) are both provided in pairs, and the two compression springs (14) are both sleeved on the outer peripheries of the two telescopic rods (13).

7. The arm cylinder with a protective structure according to claim 3, characterized in that: The first fixing block (22) does not contact the second fixing block (12).

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