Shovel plate angle adjusting mechanism of bulldozer

Abstract

The utility model discloses a shovel plate angle adjusting mechanism of a bulldozer, which relates to the related technical field of shovel plates of bulldozers and comprises a shovel plate body, mounting side plates are symmetrically arranged on two sides of the top of the shovel plate body, and a mounting shell is arranged on the outer wall of one side of each mounting side plate. The shovel plate comprises a shovel plate body, mounting supporting plates are arranged on the outer walls of the two sides of the top of the shovel plate body, the mounting supporting plates are L-shaped plates, the mounting supporting plates are arranged in a mounting shell, three electric air cylinders are arranged in the mounting shell, and damping springs are movably wound around the outer portions of the electric air cylinders. According to the shovel plate angle adjusting mechanism of the bulldozer, the mounting supporting plate is fixedly connected with the shovel plate body, the electric air cylinders stretch out and draw back to drive the fixing support to rotate to adjust the angle, the damping springs facilitate improvement of the stretching-out and drawing-back stability of the electric air cylinders, and the three electric air cylinders facilitate improvement of the angle adjusting stability of the shovel plate body; and the first extension spring and the second extension spring are beneficial to improving the stability of adjusting and supporting.

Description

Technical Field

[0001] This utility model relates to the technical field of bulldozer blades, specifically to a bulldozer blade angle adjustment mechanism. Background Technology

[0002] A bulldozer is an earthmoving machine capable of excavating, transporting, and dumping soil and rock. It has a wide range of applications in open-pit mines, such as constructing spoil heaps, leveling truck spoil heaps, stockpiling scattered ore and rock, leveling work platforms, and building sites. It is used not only for auxiliary work but also for main mining operations. However, the bulldozer's blades are not easily adapted to different soil conditions, so there is an urgent need for a bulldozer blade angle adjustment mechanism.

[0003] Currently, the angle of the bulldozer blade is inconvenient to adjust, and the adjustment is not stable, which affects the stability of use and makes it difficult to support at multiple angles. Utility Model Content

[0004] The purpose of this utility model is to provide a bulldozer blade angle adjustment mechanism to solve the problems mentioned in the background art, such as the inconvenience of adjusting the bulldozer blade angle, poor adjustment stability, affecting the stability of use, and inconvenience of multi-angle support.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bulldozer blade angle adjustment mechanism, comprising a blade body, mounting side plates symmetrically arranged on both sides of the top of the blade body, a mounting shell provided on one outer wall of the mounting side plate, mounting support plates provided on both outer walls of the top of the blade body, the mounting support plates being L-shaped plates and disposed inside the mounting shell, three electric cylinders being disposed inside the mounting shell, and shock-absorbing springs being wound around the outside of the electric cylinders.

[0006] Preferably, the inner wall of the mounting housing is provided with a fixing bracket, and the fixing bracket is also symmetrically arranged on the outer wall of the mounting support plate. One end of a first tension spring is connected to the top side outer wall of the mounting support plate, and the other end of the first tension spring is connected to the inner wall of one side of the mounting housing. One end of a second tension spring is connected to the bottom side outer wall of the mounting support plate, and the other end of the second tension spring is connected to the bottom inner wall of the mounting housing.

[0007] Preferably, the two ends of the shock-absorbing spring are respectively connected to a first support rod, the two ends of the shock-absorbing spring are respectively connected to a second support rod, and the two ends of the shock-absorbing spring are respectively connected to a diagonal brace.

[0008] Preferably, the fixed bracket is rotatably connected to the first support rod by a rotating pin, the fixed bracket is rotatably connected to the second support rod by a rotating pin, and the fixed bracket is rotatably connected to the diagonal brace by a rotating pin.

[0009] Preferably, one end of a connecting shaft is symmetrically connected to both sides of the top of the shovel body. A ball bearing is provided on the outside of the connecting shaft. The other end of the connecting shaft is connected and fixed to the mounting housing through a connecting flange. The connecting shaft is rotatably connected to the inner wall of the connecting flange. The connecting flange is connected and fixed to the mounting housing through fastening bolts.

[0010] Preferably, the mounting side plate is provided with a connecting screw groove, and the connecting screw groove is also formed on the top two outer walls of the shovel plate body. The mounting side plate is connected and fixed to the shovel plate body by a matching connecting bolt.

[0011] Preferably, the mounting housing is provided with mounting holes adapted to the rotating shaft, and the other side of the mounting side plate is connected and fixed to the bulldozer by a mounting screw groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. The bulldozer's blade angle adjustment mechanism is fixed to the blade body via a mounting plate, facilitating angle adjustment by extending and retracting an electric cylinder to rotate the fixed bracket. The shock-absorbing springs improve the stability of the electric cylinder's extension and retraction. The three sets of electric cylinders help improve the stability of blade body angle adjustment. The fixed bracket is easily connected and fixed to the first support rod, the second support rod, and the diagonal brace rod via a rotating pin, facilitating angle adjustment by rotating the first support rod, the second support rod, and the diagonal brace rod. The first tension spring and the second tension spring help improve the stability of the adjustment support.

[0014] 2. The bulldozer's blade angle adjustment mechanism uses ball bearings to easily coordinate with the rotating shaft to rotate the blade body and adjust the angle. The connecting flange facilitates the installation and fixing of the rotating shaft to the mounting housing, and the connecting bolts facilitate the installation of the mounting side plate to the blade body. This allows for convenient and quick support of the blade body by the bulldozer. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the shovel plate body of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the mounting side plate of this utility model;

[0018] Figure 4 This is a partial cross-sectional structural diagram of the present invention.

[0019] In the diagram: 1. Shovel body; 2. Mounting side plate; 3. Mounting threaded groove; 4. Connecting threaded groove; 5. Connecting bolt; 6. Mounting outer shell; 7. Connecting shaft; 8. Ball bearing; 9. Connecting flange; 10. Fastening bolt; 11. Mounting locking hole; 12. Mounting support plate; 13. Electric cylinder; 14. Shock-absorbing spring; 15. First support rod; 16. Second support rod; 17. Diagonal brace support rod; 18. Fixed bracket; 19. Rotating pin; 20. First tension spring; 21. Second tension spring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4This utility model provides a technical solution: a bulldozer blade angle adjustment mechanism, including a blade body 1, mounting side plates 2 symmetrically arranged on both sides of the top of the blade body 1, a mounting shell 6 provided on one outer wall of the mounting side plates 2, mounting support plates 12 provided on the outer walls of both sides of the top of the blade body 1, the mounting support plates 12 being L-shaped plates and located inside the mounting shell 6, three electric cylinders 13 being arranged inside the mounting shell 6, shock-absorbing springs 14 being movably wound around the outside of the electric cylinders 13, first support rods 15 being connected to both ends of the shock-absorbing springs 14 respectively, second support rods 16 being connected to both ends of the shock-absorbing springs 14 respectively, and diagonal bracing rods 17 being connected to both ends of the shock-absorbing springs 14 respectively, a fixed bracket 18 being rotatably connected to the first support rods 15 via a rotating pin 19, the fixed bracket 18 being rotatably connected to the second support rods 16 via a rotating pin 19, and the fixed bracket 18 being rotatably connected to the diagonal bracing rods 17 via a rotating pin 19, and a fixed bracket being provided on the inner wall of the mounting shell 6. 18. The fixed bracket 18 is also symmetrically arranged on the outer wall of the mounting plate 12. One end of the first tension spring 20 is connected to the outer wall of the top side of the mounting plate 12, and the other end of the first tension spring 20 is connected to the inner wall of the mounting housing 6. One end of the second tension spring 21 is connected to the outer wall of the bottom side of the mounting plate 12, and the other end of the second tension spring 21 is connected to the inner wall of the bottom of the mounting housing 6. The mounting plate 12 is connected and fixed to the shovel body 1, which facilitates the rotation and angle adjustment of the fixed bracket 18 by the extension and retraction of the electric cylinder 13. The shock-absorbing spring 14 helps to improve the stability of the extension and retraction of the electric cylinder 13. The three sets of electric cylinders 13 help to improve the stability of the angle adjustment of the shovel body 1. The fixed bracket 18 is connected and fixed to the first support rod 15, the second support rod 16 and the diagonal support rod 17 by the rotating pin 19, which facilitates the rotation and angle adjustment of the first support rod 15, the second support rod 16 and the diagonal support rod 17. The first tension spring 20 and the second tension spring 21 help to improve the stability of the adjustment support.

[0022] The top two sides of the shovel body 1 are symmetrically connected to one end of a connecting shaft 7. A ball bearing 8 is installed on the outside of the connecting shaft 7. The other end of the connecting shaft 7 is connected and fixed to the mounting housing 6 via a connecting flange 9. The connecting shaft 7 is rotatably connected to the inner wall of the connecting flange 9. The connecting flange 9 is connected and fixed to the mounting housing 6 via fastening bolts 10. A connecting thread groove 4 is provided on the mounting side plate 2, and the connecting thread groove 4 is also formed on the top two outer walls of the shovel body 1. The connecting thread groove 4 is connected to the shovel body 1 via matching connecting bolts 5. The body 1 is connected and fixed. The mounting shell 6 is provided with mounting holes 11 that are compatible with the rotating shaft. The other side of the mounting side plate 2 is connected and fixed to the bulldozer through the mounting screw groove 3. The shovel body 1 is easily installed and fixed to the bulldozer through the mounting side plate 2. The ball bearing 8 is used to easily cooperate with the rotating shaft to drive the shovel body 1 to rotate and adjust the angle. The connecting flange 9 is used to easily install and fix the rotating shaft to the mounting shell 6. The connecting bolts 5 are used to easily install the mounting side plate 2 to the shovel body 1, which can easily provide support for the shovel body 1 through the bulldozer, which is convenient and quick.

[0023] Working principle: First, the mounting plate 12 is connected and fixed to the blade body 1, which facilitates the rotation of the fixed bracket 18 by the extension and retraction of the electric cylinder 13 to adjust the angle. The shock-absorbing spring 14 improves the stability of the extension and retraction of the electric cylinder 13. The three sets of electric cylinders 13 help improve the stability of the angle adjustment of the blade body 1. The fixed bracket 18 is connected and fixed to the first support rod 15, the second support rod 16 and the diagonal support rod 17 by the rotating pin 19, which facilitates the rotation of the first support rod 15, the second support rod 16 and the diagonal support rod 17 to adjust the angle. The first tension spring 20 and the second tension spring 21 help improve the stability of the adjustment support. The ball bearing 8 facilitates the rotation of the blade body 1 to adjust the angle by cooperating with the rotating shaft. The connecting flange 9 facilitates the installation and fixing of the rotating shaft to the mounting housing 6. The connecting bolt 5 facilitates the installation of the mounting side plate 2 to the blade body 1, which facilitates the support of the blade body 1 by the bulldozer. This is convenient and quick, thus completing the operation process of the blade angle adjustment mechanism of a bulldozer.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bulldozer blade angle adjustment mechanism, characterized in that, The device includes a shovel body (1), on which mounting side plates (2) are symmetrically arranged on both sides of the top of the shovel body (1). A mounting shell (6) is provided on one outer wall of the mounting side plate (2). Mounting support plates (12) are provided on the outer walls of both sides of the top of the shovel body (1). The mounting support plates (12) are L-shaped and are located inside the mounting shell (6). Three electric cylinders (13) are provided inside the mounting shell (6). Shock-absorbing springs (14) are movably wound around the outside of the electric cylinders (13).

2. The bulldozer blade angle adjustment mechanism according to claim 1, characterized in that: The inner wall of the mounting housing (6) is provided with a fixing bracket (18), and the fixing bracket (18) is also symmetrically arranged on the outer wall of the mounting support plate (12). One end of a first tension spring (20) is connected to the top side outer wall of the mounting support plate (12), and the other end of the first tension spring (20) is connected to the inner wall of one side of the mounting housing (6). One end of a second tension spring (21) is connected to the bottom side outer wall of the mounting support plate (12), and the other end of the second tension spring (21) is connected to the bottom inner wall of the mounting housing (6).

3. The bulldozer blade angle adjustment mechanism according to claim 1, characterized in that: The shock-absorbing spring (14) is connected to a first support rod (15) at both ends, a second support rod (16) at both ends, and a diagonal brace (17) at both ends.

4. The bulldozer blade angle adjustment mechanism according to claim 2, characterized in that: The fixed bracket (18) is rotatably connected to the first support rod (15) by a rotating pin (19), the fixed bracket (18) is rotatably connected to the second support rod (16) by a rotating pin (19), and the fixed bracket (18) is rotatably connected to the diagonal brace (17) by a rotating pin (19).

5. The bulldozer blade angle adjustment mechanism according to claim 1, characterized in that: The top two sides of the shovel body (1) are symmetrically connected to one end of the connecting shaft (7). The outside of the connecting shaft (7) is provided with a ball bearing (8). The other end of the connecting shaft (7) is connected and fixed to the mounting shell (6) by a connecting flange (9). The connecting shaft (7) is rotatably connected to the inner wall of the connecting flange (9). The connecting flange (9) is connected and fixed to the mounting shell (6) by fastening bolts (10).

6. The bulldozer blade angle adjustment mechanism according to claim 1, characterized in that: The mounting side plate (2) is provided with a connecting screw groove (4), and the connecting screw groove (4) is also opened on the top two outer walls of the shovel body (1). The connecting screw groove (4) is used to connect and fix the mounting side plate (2) and the shovel body (1) by setting a matching connecting bolt (5).

7. The bulldozer blade angle adjustment mechanism according to claim 1, characterized in that: The mounting housing (6) is provided with mounting holes (11) that are compatible with the rotating shaft, and the other side of the mounting side plate (2) is connected and fixed to the bulldozer by a mounting screw groove (3).

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