Excavator cab reinforcing support

By installing a protective device on the reinforcement bracket of the excavator cab and using airbags to cushion the impact force of stones, the problem of reinforcement bracket damage during deep pit operations is solved, achieving higher protection performance and service life.

CN223398177UActive Publication Date: 2025-09-30JINING SONGWANG ENGINEERING MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422879343.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-09-30
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

When operating in deep pit-like terrain, the excavator cab reinforcement bracket is easily damaged by falling rocks, resulting in a decrease in protective performance.

Method used

A protective device including a protective plate, an airbag, a piston rod and a spring was designed. The impact force of the stone was used to move the protective plate downward, and the piston rod pushed the gas into the airbag to expand, thereby cushioning the impact force and enhancing the protective performance.

Benefits of technology

Effectively reduce the impact force of stones, prevent damage to the top of the reinforced bracket, and improve protection performance and service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223398177U_ABST
    Figure CN223398177U_ABST
Patent Text Reader

Abstract

The utility model provides an excavator cab reinforcing support, which relates to the technical field of excavator cab reinforcing supports, and comprises a reinforcing support main body arranged on an excavator cab main body, and a protective device is arranged at the top of the reinforcing support main body. In the use process that the reinforcing support body is installed on an excavator cab body for protection and supporting, when an excavator works in a deep pit type terrain, if stones slide down, the stones hit the protection plate, and when the protection plate is subjected to impact force, the protection plate moves downwards to drive the piston rod to slide downwards in the inner wall of the cylinder, so that the excavator cab body is protected and supported. When the reinforcing support is used, a spring is stretched open, a piston rod pushes air in a cylinder into an air inlet bag through a connecting pipe, the air bag is expanded to buffer the bottom of a protection plate, the impact force of falling stones is relieved, the top of the reinforcing support body is protected, the reinforcing support body is not prone to damage and deformation, and the protection performance is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of excavator cab reinforcement brackets, in particular to an excavator cab reinforcement bracket. Background Art

[0002] Excavator cab reinforcement brackets refer to those bracket structures designed to enhance the strength and stability of the cab structure.

[0003] During the process of installing the reinforcement bracket body on the excavator cab body for protective support, when the excavator is operating in a deep pit-like terrain, stones may slide and hit the top of the reinforcement bracket body, causing damage and deformation of the top, thereby reducing the protective performance and affecting subsequent use. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an excavator cab reinforcement bracket.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: an excavator cab reinforcement bracket, comprising a reinforcement bracket body arranged on the excavator cab body, a protective device being arranged on the top of the reinforcement bracket body, the protective device comprising a protective plate, and adjustment devices being arranged at both ends of the protective plate, an airbag being fixedly connected to the top of the excavator cab body, connecting pipes being symmetrically arranged on both sides of the airbag, one end of the connecting pipe being fixedly connected to a cylinder, one side of the cylinder being fixedly connected to the top of the excavator cab body, a piston rod being arranged on the top of the inner wall of the cylinder, a spring being sleeved on the outer surface of one end of the piston rod, the two ends of the spring being fixedly connected to one side of the inner wall of the cylinder and one side of the piston rod respectively, and one end of the piston rod being fixedly connected to one side of the protective plate.

[0006] The effect achieved by the above components is: by setting up a protective device, when the reinforcement bracket body is installed on the excavator cab body for protective support, when the excavator is operating in a deep pit-like terrain, if a stone slides down, it will hit the protective plate. When the protective plate is subjected to the impact force, it will move downward, driving the piston rod to slide downward in the inner wall of the cylinder, so that its spring is stretched, and the piston rod will push the gas inside the cylinder into the air bag through the connecting pipe, so that the air bag expands to cushion the bottom of the protective plate, reduce the impact force of the falling stones, and protect the top of the reinforcement bracket body, so that it is not easy to be damaged and deformed, thereby improving the protective performance.

[0007] Preferably, a plurality of reinforcing ribs are fixedly connected to the bottom of the protective plate, and the plurality of reinforcing ribs are arranged at equal distances.

[0008] The effect achieved by the above components is: by setting the reinforcing ribs, the overall impact strength of the protective plate can be increased, so that it is not easy to damage the protective plate after the stone hits it, thereby improving the service life of the protective plate.

[0009] Preferably, a plurality of reinforcement rods are fixedly connected to the outer surface of one end of the piston rod, and one side of the reinforcement rod is fixedly connected to one side of the protective plate.

[0010] The effect achieved by the above components is: by setting the reinforcement rod, the connection area between the protective plate and the outer surface of one end of the piston rod can be increased, making the connection more firm and stable, and not easy to break or damage.

[0011] Preferably, a protective block is fixedly connected to the top of the protective plate, and the protective block is made of rubber.

[0012] The effect achieved by the above components is that by setting the protective block, it is difficult for stones to scratch the surface of the protective plate when they hit it, thereby protecting the top of the protective plate.

[0013] Preferably, the adjustment device includes two bolts, a slide groove is provided on both sides of the protective plate, a threaded hole is provided on one side of the inner wall of the slide groove, an adjustment plate is slidably connected to the inner wall of the slide groove, a plurality of threaded grooves are provided on one side of the adjustment plate, and one end of the bolt is spirally inserted into the threaded hole and the threaded groove.

[0014] The effect achieved by the above components is: by setting an adjustment device, the adjustment plate can be manually slid outward to a certain position in the inner wall of the slide groove according to the use environment of the excavator, and then one end of the bolt is screwed into the threaded hole and the inner wall of the corresponding threaded groove to limit and fix the adjusted adjustment plate, thereby increasing the protection area of ​​the protective plate, so that the protection area can be adjusted according to the actual use environment, and the auxiliary protective device can provide protection.

[0015] Preferably, a plurality of screw blocks are fixedly connected to the outer surface of one end of the bolt, and the plurality of screw blocks are arranged at equal distances.

[0016] The effect achieved by the above components is that by providing the screw block, the contact area of ​​the outer surface of one end of the bolt can be increased, making it easier to hold and screw it.

[0017] Preferably, one end of the bolt is fixedly connected to a connecting rope, and one end of the connecting rope is fixedly connected to one side of the protective plate.

[0018] The effect achieved by the above components is that by setting the connecting rope, the bolt can be limited on one side of the protective plate, so that it is not easy to be lost after being screwed out of the threaded hole and the threaded groove.

[0019] Preferably, a handle block is fixedly connected to one side of the adjustment plate, and the longitudinal section of the handle block is U-shaped.

[0020] The effect achieved by the above components is that by providing the handle block, one side of the adjustment plate can be conveniently grasped manually and pulled to adjust it, which is convenient for operation.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] In the utility model, a protective device is provided. During the process of using the reinforcement bracket body for protective support after being installed on the cab body of the excavator, when the excavator is operating in a deep pit-like terrain, if a stone slides down, it will hit the protective plate. When the protective plate is subjected to the impact force, it will move downward, driving the piston rod to slide downward in the inner wall of the cylinder, so that its spring is stretched. The piston rod will push the gas inside the cylinder into the airbag through the connecting pipe, so that the airbag will expand to cushion the bottom of the protective plate, reduce the impact force of the falling stones, and protect the top of the reinforcement bracket body, so that it is not easy to be damaged and deformed, thereby improving the protective performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the airbag of the utility model;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the protective plate of the utility model;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the adjustment plate of the utility model.

[0027] Legend: 1. Reinforcement bracket body; 2. Protective device; 3. Adjustment device; 4. Excavator cab body; 21. Airbag; 22. Connecting pipe; 23. Cylinder; 24. Piston rod; 25. Spring; 26. Protective plate; 27. Reinforcement rib; 28. Reinforcement rod; 29. ​​Protective block; 31. Slide groove; 32. Threaded hole; 33. Adjustment plate; 34. Threaded groove; 35. Bolt; 36. Twist block; 37. Connecting rope; 38. Handle block. DETAILED DESCRIPTION

[0028] Example 1, as Figure 1-4As shown, an excavator cab reinforcement bracket includes a reinforcement bracket body 1 provided on the excavator cab body 4, a protective device 2 is provided on the top of the reinforcement bracket body 1, the protective device 2 includes a protective plate 26, and adjustment devices 3 are provided at both ends of the protective plate 26. An airbag 21 is fixedly connected to the top of the excavator cab body 4, and connecting pipes 22 are symmetrically penetrated and connected on both sides of the airbag 21. One end of the connecting pipe 22 is fixedly connected to a cylinder 23, and one side of the cylinder 23 is fixedly connected to the top of the excavator cab body 4. A piston rod 24 is penetrated and connected to the top of the inner wall of the cylinder 23, and a spring 25 is sleeved on the outer surface of one end of the piston rod 24. The two ends of the spring 25 are respectively fixedly connected to one side of the inner wall of the cylinder 23 and one side of the piston rod 24, and one end of the piston rod 24 is fixedly connected to one side of the protective plate 26. During the process of installing the reinforcement bracket body 1 on the excavator cab body 4 for protective support, when the excavator is operating in a deep pit-like terrain, if a stone slides down, it will hit the protective plate 26. When the protective plate 26 is subjected to the impact force, it will move downward, driving the piston rod 24 to slide downward in the inner wall of the cylinder 23, so that its spring 25 is stretched. The piston rod 24 will push the gas inside the cylinder 23 into the airbag 21 through the connecting pipe 22, so that the airbag 21 expands to cushion the bottom of the protective plate 26, reduce the impact force of the falling stones, and protect the top of the reinforcement bracket body 1, so that it is not easy to be damaged and deformed, thereby improving the protection performance.

[0029] Reference Figure 2 and Figure 3 As shown, this embodiment discloses that the bottom of the protective plate 26 is fixedly connected to a plurality of reinforcing ribs 27, and the plurality of reinforcing ribs 27 are arranged at equal distances. By providing the reinforcing ribs 27, the overall impact resistance of the protective plate 26 can be increased, so that it is not easily damaged by stones hitting the protective plate 26, thereby improving the service life of the protective plate 26. A plurality of reinforcing rods 28 are fixedly connected to the outer surface of one end of the piston rod 24, and one side of the reinforcing rod 28 is fixedly connected to one side of the protective plate 26. By providing the reinforcing rods 28, the connection area between the protective plate 26 and the outer surface of one end of the piston rod 24 can be increased, making the connection more secure and stable, and less likely to break or damage.

[0030] Reference Figure 2 and Figure 3 As shown, this embodiment discloses that a protective block 29 is fixedly connected to the top of the protective plate 26. The protective block 29 is made of rubber. By providing the protective block 29, it is difficult for stones to scratch the surface of the protective plate 26 when they hit it, and it plays a protective role on the top of the protective plate 26.

[0031] Reference Figure 4As shown, this embodiment discloses that the adjustment device 3 includes two bolts 35, a slide groove 31 is formed on both sides of the protective plate 26, and a threaded hole 32 is formed on one side of the inner wall of the slide groove 31. An adjustment plate 33 is slidably connected to the inner wall of the slide groove 31. A plurality of threaded grooves 34 are formed on one side of the adjustment plate 33. One end of the bolt 35 is screwed into the inner wall of the threaded hole 32 and the threaded groove 34. According to the use environment of the excavator, the adjustment plate 33 can be manually slid outward in the inner wall of the slide groove 31 to a certain position, and then one end of the bolt 35 is screwed into the inner wall of the threaded hole 32 and the corresponding threaded groove 34 to limit and fix the adjusted adjustment plate 33, thereby increasing the protection area of ​​the protective plate 26, so that the protection area can be adjusted according to the actual use environment, and assisting the protective device 2 in providing protection.

[0032] Reference Figure 4 As shown, this embodiment discloses that a plurality of screw blocks 36 are fixedly connected to the outer surface of one end of the bolt 35, and the plurality of screw blocks 36 are arranged at equal distances. By providing the screw blocks 36, the contact area of ​​the outer surface of one end of the bolt 35 can be increased, making it convenient to hold and twist it. A connecting rope 37 is fixedly connected to one end of the bolt 35, and one end of the connecting rope 37 is fixedly connected to one side of the protective plate 26. By providing the connecting rope 37, the bolt 35 can be limited on one side of the protective plate 26, so that it is not easy to be lost after being screwed out of the threaded hole 32 and the threaded groove 34. A handle block 38 is fixedly connected to one side of the adjustment plate 33, and the longitudinal section of the handle block 38 is U-shaped. By providing the handle block 38, it is convenient to manually grasp one side of the adjustment plate 33 and pull it to adjust it, which is convenient for operation.

[0033] Working principle: When the reinforcement bracket body 1 is installed on the excavator cab body 4 for protective support, when the excavator is operating in a deep pit-like terrain, if a stone slides down, it will hit the protective plate 26. When the protective plate 26 is subjected to the impact force, it will move downward, driving the piston rod 24 to slide downward in the inner wall of the cylinder 23, so that its spring 25 is stretched. The piston rod 24 will push the gas inside the cylinder 23 into the airbag 21 through the connecting pipe 22, so that the airbag 21 expands to cushion the bottom of the protective plate 26, reduce the impact force of the falling stones, and protect the top of the reinforcement bracket body 1, so that it is not easy to be damaged and deformed, thereby improving the protection performance.

[0034] By setting up the adjustment device 3, the adjustment plate 33 can be manually slid outward to a certain position in the inner wall of the slide groove 31 according to the use environment of the excavator, and then one end of the bolt 35 is screwed into the threaded hole 32 and the inner wall of the corresponding threaded groove 34 to limit and fix the adjusted adjustment plate 33, thereby increasing the protection area of ​​the protective plate 26, so that the protection area can be adjusted according to the actual use environment, and the auxiliary protection device 2 can provide protection.

Claims

1. An excavator cab reinforcement bracket, comprising a reinforcement bracket body (1) provided on an excavator cab body (4), characterized in that: The top of the reinforcement bracket body (1) is provided with a protective device (2), the protective device (2) includes a protective plate (26), and the two ends of the protective plate (26) are provided with an adjustment device (3). The top of the excavator cab body (4) is fixedly connected with an air bag (21), and both sides of the air bag (21) are symmetrically connected with connecting pipes (22), one end of the connecting pipe (22) is fixedly connected with a cylinder (23), one side of the cylinder (23) is fixedly connected to the top of the excavator cab body (4), the top of the inner wall of the cylinder (23) is connected with a piston rod (24), and the outer surface of one end of the piston rod (24) is sleeved with a spring (25), and the two ends of the spring (25) are respectively fixedly connected to one side of the inner wall of the cylinder (23) and one side of the piston rod (24), and one end of the piston rod (24) is fixedly connected to one side of the protective plate (26).

2. The excavator cab reinforcement bracket according to claim 1, characterized in that: A plurality of reinforcing ribs (27) are fixedly connected to the bottom of the protective plate (26), and the plurality of reinforcing ribs (27) are arranged at equal distances.

3. The excavator cab reinforcement bracket according to claim 1, characterized in that: A plurality of reinforcing rods (28) are fixedly connected to the outer surface of one end of the piston rod (24), and one side of the reinforcing rod (28) is fixedly connected to one side of the protective plate (26).

4. The excavator cab reinforcement bracket according to claim 1, characterized in that: The top of the protective plate (26) is fixedly connected with a protective block (29), and the protective block (29) is made of rubber.

5. The excavator cab reinforcement bracket according to claim 1, characterized in that: The adjusting device (3) includes two bolts (35), a slide groove (31) is provided on both sides of the protective plate (26), a threaded hole (32) is provided on one side of the inner wall of the slide groove (31), an adjusting plate (33) is slidably connected to the inner wall of the slide groove (31), a plurality of threaded grooves (34) are provided on one side of the adjusting plate (33), and one end of the bolt (35) is screwed into the inside of the threaded hole (32) and the threaded groove (34).

6. The excavator cab reinforcement bracket according to claim 5, characterized in that: A plurality of screw blocks (36) are fixedly connected to the outer surface of one end of the bolt (35), and the plurality of screw blocks (36) are arranged at equal distances.

7. The excavator cab reinforcement bracket according to claim 5, characterized in that: One end of the bolt (35) is fixedly connected to a connecting rope (37), and one end of the connecting rope (37) is fixedly connected to one side of the protective plate (26).

8. The excavator cab reinforcement bracket according to claim 5, characterized in that: A handle block (38) is fixedly connected to one side of the adjustment plate (33), and the longitudinal section of the handle block (38) is U-shaped.