Loader implement quick change bracket

Abstract

The application relates to a loader accessory quick-change support which comprises a connecting support, an ear plate, a hinged seat, a connecting plate, an extension cylinder, a gas cylinder, a moving block and a supporting block. The ear plate is fixed on the two sides of the connecting support. The connecting support comprises an upper connecting frame and a lower connecting frame. The connecting plate is fixed between the upper connecting frame and the lower connecting frame. The hinged seat is fixed between the upper connecting frame and the ear plate. The extension cylinder and the gas cylinder are fixed on the fixed plate. The output shaft of the extension cylinder is fixed with a sliding shaft. The output shaft of the gas cylinder is fixed with the moving block. The supporting block comprises a connecting block and a supporting part. The connecting block and the interval are matched with each other. The application utilizes the supporting block to realize the matching degree between the quick-change support and the accessory. The type of the supporting block is changed to adapt to the bottom surface contact surface of the accessory, the installation of the accessory is greatly improved without limitation, meanwhile, the accessory bottom fixing part can be perfectly fixed with the quick-change support. Through the cooperation of the first opening and the moving block and the cooperation of the sliding shaft and the connecting hole, the installation speed and the overall structural strength are improved.

Description

Technical Field

[0001] This application relates to the field of construction machinery parts technology, and more specifically, to a loader attachment quick-change bracket. Background Technology

[0002] With the increasing variety of products on the market, especially some large and bulky products, attachments are needed for handling and transfer. Often, the connection methods between the handling attachments and forklifts for different types of products are too simple. During the attachment replacement process, some attachments require the use of other tools. Due to the inconsistent specifications of different attachments, quick-change brackets cannot meet the installation requirements of different attachments. The problem of installation failure requires a lot of time and manpower. Therefore, how to design a quick-change bracket to meet the unified installation and replacement of attachments is an urgent technical problem to be solved. Utility Model Content

[0003] In view of this, the purpose of this application is to provide a quick-change bracket for loader attachments, which uses a support block to achieve the degree of adaptation between the quick-change bracket and the attachment. By changing the type of support block to adapt to the bottom contact surface of the attachment, the unrestricted installation of the attachment is greatly improved, meeting installation requirements. At the same time, the bottom fixing part of the attachment can be perfectly fixed with the quick-change bracket. The cooperation between the first opening and the moving block improves the installation speed and the overall structural strength.

[0004] The objective of this application is achieved through the following technical solution: A loader attachment quick-change bracket includes a connecting bracket, ear plates, a hinge seat, a connecting plate, a telescopic cylinder, a cylinder, a moving block, and a support block. The ear plates are fixed to both sides of the connecting bracket. The connecting bracket includes an upper connecting frame and a lower connecting frame. A connecting plate is fixed between the upper and lower connecting frames. A hinge seat is fixed above the upper connecting frame and between the ear plates. A fixing plate is provided at the bottom of the ear plates. A telescopic cylinder and a cylinder are fixed on the fixing plate. A sliding shaft is fixed to the output shaft of the telescopic cylinder. A moving block is fixed to the output shaft of the cylinder. A through hole is provided on the ear plate, and the through hole cooperates with the sliding shaft. The ear plates have a bent structure. Multiple ear plates are arranged side-by-side with a gap between them. The support block includes a connecting block and a lifting part, and the connecting block cooperates with the gap.

[0005] As a further improvement to this application, the number of ear plates on one side of the connecting bracket is 2-4.

[0006] As a further improvement of this application, the ear plate and the connecting block are provided with threaded holes, and the connecting block and the ear plate are fixed together by screw thread connection.

[0007] As a further improvement to this application, the ear plate is provided with reinforcing ribs.

[0008] As a further improvement of this application, the quick-change bracket also includes a controller, which is connected to the telescopic cylinder and the pneumatic cylinder.

[0009] As a further improvement of this application, the bottom of the supporting part is fitted with the ear plate, and the bottom of the supporting part is provided with a rubber cushioning layer.

[0010] As a further improvement of this application, the quick-change bracket also includes a bottom fixing component of the attachment, the bottom fixing component of the attachment includes a frame, the top of the frame is provided with a mounting hole, the two sides of the frame are provided with connecting holes, the side of the frame away from the connecting bracket is provided with a first opening, the first opening cooperates with the moving block, and the bottom of the first opening is provided with a second opening.

[0011] As a further improvement of this application, the mounting hole is fixed to the bottom of the attachment by a threaded pin.

[0012] Compared with the prior art, the present invention has the following beneficial effects: This invention utilizes a support block to achieve a high degree of compatibility between the quick-change bracket and the attachment. The support block and the ear plate are detachable. By changing the type of support block, the contact surface of the attachment's bottom surface can be adapted, greatly improving the unrestricted installation of the attachment and meeting installation requirements. At the same time, the bottom fixing part of the attachment can be perfectly fixed to the quick-change bracket. The cooperation between the first opening and the moving block, and the cooperation between the sliding shaft and the connecting hole, improves the installation speed and the overall structural strength. Meanwhile, the fixing plate and reinforcing ribs can improve the overall strength of the quick-change bracket and ensure high reliability. Attached Figure Description

[0013] Figure 1 A schematic diagram of the overall structure of a loader attachment quick-change bracket provided for some embodiments of this application; Figure 2 A top view of a loader attachment quick-change bracket provided for some embodiments of this application; Figure 3 Another structural schematic diagram of a loader attachment quick-change bracket provided for some embodiments of this application; Figure 4 for Figure 3 A detailed structural diagram of point A in the middle; Figure 5 This is a schematic diagram of the support block structure; Figure 6 for Figure 5 A schematic diagram of the specific structure at point B in the middle; Figure 7 This is a schematic diagram of the specific structure of a connecting bracket for a loader attachment quick-change bracket provided in some embodiments of this application.

[0014] Icons: 1. Connecting bracket; 2. Ear plate; 3. Hinge seat; 4. Connecting plate; 5. Telescopic cylinder; 6. Cylinder; 7. Moving block; 8. Support block; 9. Upper connecting frame; 10. Lower connecting frame; 11. Fixing plate; 12. Sliding shaft; 13. Through hole; 14. Spacing; 15. Connecting block; 16. Lifting part; 17. Reinforcing rib; 18. Attachment bottom fixing part; 19. Frame; 20. Mounting hole; 21. Connecting hole; 22. First opening; 23. Second opening. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below in conjunction with specific embodiments. The same reference numerals in the accompanying drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the described embodiments of this application without creative effort are within the scope of protection of this application.

[0016] Compared to the embodiments shown in the accompanying drawings, feasible embodiments within the scope of this application may have fewer components, other components not shown in the drawings, different components, differently arranged components, or components with different connections, etc. Furthermore, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0017] This application provides a loader attachment quick-change bracket, comprising a connecting bracket 1, ear plates 2, hinge seats 3, connecting plates 4, telescopic cylinders 5, cylinders 6, moving blocks 7, and support blocks 8. The ear plates 2 are fixed to both sides of the connecting bracket 1, with three ear plates 2 on each side of the connecting bracket 1 to improve the overall strength of the quick-change bracket. The connecting bracket 1 includes an upper connecting frame 9 and a lower connecting frame 10, with a connecting plate 4 fixed between the upper and lower connecting frames 9 and 10. The connecting plate 4 is used to connect with the loader boom. A hinge seat 3 is fixed above the upper connecting frame 9 and between the ear plates 2, and the hinge seat 3 is used to cooperate with a fixed seat at the bottom of the attachment. A fixed plate 11 is provided at the bottom of the ear plates 2, and a telescopic cylinder 5 and a cylinder 6 are fixed on the fixed plate 11. The telescopic cylinder 5... The output shaft is fixed with a sliding shaft 12, and the output shaft of the cylinder 6 is fixed with a moving block 7. The ear plate 2 is provided with a through hole 13, which cooperates with the sliding shaft 12. The telescopic cylinder 5 is used to drive the sliding shaft 12 to extend and retract, so as to connect with the attachment. The ear plate 2 has a bent structure, and multiple ear plates 2 are arranged side by side with a gap 14 between them. The support block 8 includes a connecting block 15 and a lifting part 16. The connecting block 15 cooperates with the gap 14. The support block 8 is placed on the inner side of the ear plate 2 through the connecting block 15, and cooperates with the bent inner wall of the ear plate 2. The support block 8 is used to achieve the fit between the ear plate 2 and the attachment. By changing the type of support block 8, it can be adapted to the bottom contact surface of the attachment, thereby greatly improving the unrestricted installation of the attachment and meeting the installation requirements.

[0018] The ear plate 2 and the connecting block 15 are provided with threaded holes. The connecting block 15 and the ear plate 2 are fixed by screw thread connection. The support block 8 can be replaced in time according to the shape of the bottom of the attachment, so as to realize the detachable installation of the support block 8. The bottom of the lifting part 16 cooperates with the ear plate 2. The bottom of the lifting part 16 is provided with a rubber buffer pad layer to reduce the buffering force when the lifting part cooperates with the attachment.

[0019] Specifically, the ear plate 2 is provided with reinforcing ribs 17, which can ensure the overall stability of the quick-change bracket.

[0020] Specifically, the quick-change bracket also includes a controller, which is connected to the telescopic cylinder 5 and the cylinder 6.

[0021] The quick-change bracket also includes a bottom fixing component 18, which is fixed to the bottom of the attachment to achieve a mating and fixing with the quick-change bracket. The bottom fixing component 18 includes a frame 19, with a mounting hole 20 at the top of the frame 19. The mounting hole 20 is fixed to the bottom of the attachment by a threaded screw. The frame 19 has connecting holes 21 on both sides, which correspond to the through hole 13. After the telescopic cylinder 5 is operated, the sliding shaft 12 extends out from the connecting hole 21, thereby fixing the quick-change bracket and the bottom fixing component 18, and moving the frame 19 away from the connecting bracket. A first opening 22 is provided on one side, which cooperates with the moving block 7. When the cylinder 6 is working, the moving block 7 moves into or out of the first opening 22 to fix the moving block 7 and the quick-change bracket. A second opening 23 is provided at the bottom of the first opening 22, which is used to move the output shaft of the cylinder 6 into the frame 19. When the quick-change bracket and the attachment gradually come into contact, the output shaft of the cylinder 6 enters the frame 19 from the second opening 23. At this time, the cylinder 6 is opened, and the cylinder 6 drives the moving block 7 to move into the frame 19. The moving block 7 is tightly cooperated with the first opening 22.

[0022] In use, the attachment bottom fixing member 18 is fixed to the bottom of the attachment, and the appropriate support block 8 is installed on the inside of the quick-change bracket using screws. The connecting plate 4 is used to connect with the loader boom, and the hinge seat 3 is driven to cooperate with the fixing seat at the bottom of the attachment. The quick-change bracket enters the frame 19. The telescopic cylinder 5 is used to drive the sliding shaft 12 to extend. The connecting hole 21 between the sliding shaft 12 and the attachment bottom fixing member 18 extends, realizing the fixation between the quick-change bracket and the attachment bottom fixing member 18. The cylinder 6 is opened, and the cylinder 6 drives the moving block 7 to move into the frame 19. The moving block 7 is tightly engaged with the first opening 22.

[0023] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art, all of which fall within the protection scope of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A quick-change bracket for loader attachments, comprising a connecting bracket (1), an ear plate (2), a hinge seat (3), a connecting plate (4), a telescopic cylinder (5), a cylinder (6), a moving block (7), and a support block (8), characterized in that, The ear plate (2) is fixed to both sides of the connecting bracket (1). The connecting bracket (1) includes an upper connecting frame (9) and a lower connecting frame (10). A connecting plate (4) is fixed between the upper connecting frame (9) and the lower connecting frame (10). A hinge seat (3) is fixed above the upper connecting frame (9) and between the ear plates (2). A fixing plate (11) is provided at the bottom of the ear plate (2). A telescopic cylinder (5) and a cylinder (6) are fixed on the fixing plate (11). The output of the telescopic cylinder (5) The shaft is fixed with a sliding shaft (12), the output shaft of the cylinder (6) is fixed with a moving block (7), the ear plate (2) is provided with a through hole (13), the through hole (13) and the sliding shaft (12) cooperate with each other, the ear plate (2) is a bent structure, multiple ear plates (2) are arranged side by side, and there is a gap (14) between the ear plates (2), the support block (8) includes a connecting block (15) and a lifting part (16), the connecting block (15) and the gap (14) cooperate with each other.

2. The loader attachment quick-change bracket according to claim 1, characterized in that, The number of single-sided ear plates (2) of the connecting bracket (1) is 2-4.

3. A loader attachment quick-change bracket according to claim 1, characterized in that, The ear plate (2) and the connecting block (15) are provided with threaded holes, and the connecting block (15) and the ear plate (2) are fixed together by screw thread connection.

4. A loader attachment quick-change bracket according to claim 1, characterized in that, The ear plate (2) is provided with reinforcing ribs (17).

5. A loader attachment quick-change bracket according to claim 1, characterized in that, The quick-change bracket also includes a controller, which is connected to the telescopic cylinder (5) and the cylinder (6).

6. A loader attachment quick-change bracket according to claim 1, characterized in that, The bottom of the supporting part (16) is fitted with the ear plate (2), and the bottom of the supporting part (16) is provided with a rubber buffer pad layer.

7. A loader attachment quick-change bracket according to claim 1, characterized in that, The quick-change bracket also includes a bottom fixing component (18), which includes a frame (19). The top of the frame (19) is provided with a mounting hole (20), and the two sides of the frame (19) are provided with connecting holes (21). The side of the frame (19) away from the connecting bracket (1) is provided with a first opening (22), which cooperates with the moving block (7). The bottom of the first opening (22) is provided with a second opening (23).

8. A loader attachment quick-change bracket according to claim 7, characterized in that, The mounting hole (20) is fixed to the bottom of the attachment by a threaded pin.

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