Loader frame connecting mechanism

Abstract

The utility model relates to the technical field of loader frame connection, and discloses a loader frame connecting mechanism which comprises a front frame and a rear frame, the inner right side of the front frame is fixedly connected with a front hinge frame, and the left inner side of the rear frame is fixedly connected with a rear hinge frame; a front butt joint hole is formed in the front hinge frame, a joint bearing is fixedly connected in the front butt joint hole, a hinge pin shaft is arranged in the joint bearing, a rear butt joint hole is formed in the rear hinge frame, an arc-shaped groove is formed in the front hinge frame, and a reinforcing column is arranged in the arc-shaped groove in a sliding mode. Reinforcing rods are fixedly connected to the top and the bottom of the reinforcing column correspondingly, two limiting plates are fixedly connected to the surface of the reinforcing column, and butt joint blocks are fixedly connected to the top and the bottom of the rear hinge frame correspondingly. According to the loader frame connecting mechanism, the reinforcing rods at the top and the bottom of the reinforcing column can be inserted into the butt joint grooves and fixed through the fastening bolts, and then the stability and the strength of the hinged portion can be greatly enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of loader frame connection, in particular to a loader frame connection mechanism. Background Art

[0002] With the rapid development of the construction machinery industry, loaders, as one of the important construction equipment, play an irreplaceable role in various construction sites, mining and other occasions.

[0003] Chinese application publication number CN102019826A discloses a single hinge mechanism for a loader frame, which is composed of an upper hinge plate, a lower hinge plate, an intermediate hinge assembly and a hinge pin. The hinge pin passes through the upper hinge plate, the intermediate hinge assembly and the lower hinge plate to hinge the components. The upper and lower hinge plates are provided with upper and lower hinge holes respectively. The upper and lower hinge plates are fixed on the same frame. The centers of the upper and lower hinge holes are on the same straight line. The intermediate hinge assembly is fixed on another frame. The hinge mechanism is composed of a group of upper hinge plates, lower hinge plates, intermediate hinge assemblies and hinge pins, which changes the original double hinge structure, reduces the difficulty and cost of processing and manufacturing, and also provides conditions for reducing the height of the whole machine product. The total height of the hinge mechanism is relatively low, which further reduces the height of the whole machine product under the premise of ensuring the reliability of the loader product, and improves the stability and passability of the product.

[0004] However, the above-mentioned prior art has the problem of poor connectivity by using hinges alone, which easily causes the hinge position to be too strained, so a loader frame connection mechanism is urgently needed. Utility Model Content

[0005] The purpose of the utility model is to provide a loader frame connection mechanism to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a loader frame connection mechanism, comprising a front frame and a rear frame, wherein the inner right side of the front frame is fixedly connected with a front hinge frame, and the left inner side of the rear frame is fixedly connected with a rear hinge frame;

[0007] The front hinge frame is provided with a front docking hole, a joint bearing is fixedly connected in the front docking hole, a hinge pin is arranged in the joint bearing, a rear docking hole is provided on the rear hinge frame, an arc-shaped groove is provided on the top of the front hinge frame, a reinforcing column is slidably arranged in the arc-shaped groove, the top and bottom of the reinforcing column are respectively fixedly connected with reinforcing rods, two limit plates are fixedly connected to the surface of the reinforcing column, the top and bottom of the rear hinge frame are respectively fixedly connected with docking blocks, the left sides of the docking blocks are respectively provided with docking grooves, and threaded holes are respectively provided at one end of the docking block away from the rear hinge frame, and fastening bolts are respectively threadedly connected in the threaded holes.

[0008] Preferably, the right sides of the reinforcing rods are respectively inserted into the docking grooves, and the reinforcing rods are fixedly connected to the docking blocks via fastening bolts.

[0009] The limit plate is fixed on the reinforcing column to prevent the reinforcing column from escaping from the arc groove of the front hinge frame. The docking groove is arranged on the docking block to receive the reinforcing rod. The threaded hole and the fastening bolt are used to fix the reinforcing rod on the docking block.

[0010] Preferably, the right side of the front hinge is inserted into the rear hinge, and the front hinge is hinged to the rear hinge via a hinge pin in a joint bearing.

[0011] Preferably, a reinforcement frame is fixedly connected inside the rear frame, two reinforcement frames are provided, and a reinforcement plate is fixedly connected between the two reinforcement frames.

[0012] The reinforcement frame and reinforcement plate are used to increase the strength of the overall structure of the rear frame. The rib plate is fixed to the reinforcement inside the rear frame to improve the rigidity and stability of the rear frame, thereby improving the performance of the rear frame.

[0013] Preferably, two rib plates are provided inside the rear frame, and the two rib plates are respectively fixedly connected to the front and rear inner walls of the rear frame.

[0014] Preferably, two cab supports are provided inside the rear frame, the two cab supports are respectively fixedly connected to the front and rear inner walls of the rear frame, and the two cab supports are respectively located at the top of the front and rear inner walls of the rear frame.

[0015] The cab support is used to fix the support of the cab, and the gearbox support is used to fix the position of the gearbox.

[0016] Preferably, two gearbox supports are arranged inside the rear frame, and the two gearbox supports are respectively fixedly connected to the front and rear inner walls of the rear frame.

[0017] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0018] First, the utility model comprises the front part of the front frame loader and the rear part of the rear frame loader, the front hinge frame is fixed to the hinge component on the right side inside the front frame, and is used to cooperate with the rear hinge frame to realize hinge connection, and the rear hinge frame is fixed to the hinge component on the left side inside the rear frame, and is used to cooperate with the front hinge frame to realize hinge connection, the front docking hole and the rear docking hole are used to accommodate the holes of the hinge pin shaft, so as to ensure that the front hinge frame and the rear hinge frame can be hinged to each other, and the joint bearing and the hinge pin shaft enable the front hinge frame and the rear hinge frame to rotate relatively, so as to realize the hinge connection between the front hinge frame and the rear hinge frame, the reinforcement column can slide in the arc groove of the front hinge frame, the limit plate is fixed on the reinforcement column, so as to prevent the reinforcement column from falling out of the arc groove, and play a limiting role on the reinforcement column, and the reinforcement rods at the top and bottom of the reinforcement column can be inserted into the docking groove on the left side of the docking block and fixed by the fastening bolt, so as to greatly enhance the stability and strength of the hinge part.

[0019] Second, in the utility model, the reinforcing frame and the reinforcing plate are used to increase the strength of the overall structure of the rear frame, the rib plate is fixed to the reinforcing member inside the rear frame, the rigidity and stability of the rear frame are improved, and thus the performance of the rear frame is improved, the cab support is used to fix the support of the cab, and the gearbox support is used to fix the position of the gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the exploded structure of the front hinge and the rear hinge of the utility model;

[0023] Figure 4 It is a front section structural schematic diagram of the connection between the front hinge and the rear hinge of the utility model.

[0024] Among them: 1. Front frame; 2. Rear frame; 3. Front hinge frame; 4. Rear hinge frame; 5. Spherical bearing; 6. Articulation pin; 7. Reinforcement column; 8. Reinforcement rod; 9. Limit plate; 10. Docking block; 11. Fastening bolt; 12. Reinforcement frame; 13. Reinforcement plate; 14. Rib plate; 15. Cab support; 16. Gearbox support. DETAILED DESCRIPTION

[0025] 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.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A loader frame connection mechanism comprises a front frame 1 and a rear frame 2, wherein the inner right side of the front frame 1 is fixedly connected with a front hinge frame 3, and the left inner side of the rear frame 2 is fixedly connected with a rear hinge frame 4;

[0029] A front docking hole is provided on the front hinge frame 3, in which a joint bearing 5 is fixedly connected, and a hinge pin 6 is arranged in the joint bearing 5. A rear docking hole is provided on the rear hinge frame 4. An arc groove is provided on the top of the front hinge frame 3, and a reinforcing column 7 is slidably arranged in the arc groove. The top and bottom of the reinforcing column 7 are respectively fixedly connected with reinforcing rods 8, and the surface of the reinforcing column 7 is fixedly connected with two limit plates 9. The top and bottom of the rear hinge frame 4 are respectively fixedly connected with docking blocks 10, and docking grooves are respectively provided on the left side of the docking block 10. Threaded holes are respectively provided at the end of the docking block 10 away from the rear hinge frame 4, and fastening bolts 11 are respectively threadedly connected in the threaded holes.

[0030] The right sides of the reinforcing rods 8 are respectively inserted into the docking grooves, and the reinforcing rods 8 are fixedly connected to the docking blocks 10 via fastening bolts 11 .

[0031] The right side of the front hinge frame 3 is inserted into the rear hinge frame 4 , and the front hinge frame 3 is hinged to the rear hinge frame 4 via a hinge pin 6 in a joint bearing 5 .

[0032] Through the above technical scheme, the front frame 1 is the front part of the loader, and the rear frame 2 is the rear part of the loader. The front hinge 3 is fixed to the hinge part on the right side inside the front frame 1, and is used to cooperate with the rear hinge 4 to achieve hinge connection. The rear hinge 4 is fixed to the hinge part on the left side inside the rear frame 2, and is used to cooperate with the front hinge 3 to achieve hinge connection. The front docking hole and the rear docking hole are used to accommodate the hole of the hinge pin 6 to ensure that the front hinge 3 and the rear hinge 4 can be hinged to each other. The joint bearing 5 and the hinge pin 6 enable the front hinge 3 and the rear hinge 4 to rotate relative to each other to achieve the hinge connection between the front hinge 3 and the rear hinge 4. The reinforcement column 7 can slide in the arc groove of the front hinge 3, and the limit plate 9 is fixed on the reinforcement column 7 to prevent the reinforcement column 7 from falling out of the arc groove, which plays a limiting role on the reinforcement column 7. The reinforcement rods 8 at the top and bottom of the reinforcement column 7 can be inserted into the docking groove on the left side of the docking block 10 and fixed by the fastening bolt 11, thereby greatly enhancing the stability and strength of the hinged part.

[0033] Embodiment 2

[0034] See also Figure 1 , Figure 2 , Figure 3On the basis of the first embodiment, it is further obtained that a reinforcing frame 12 is fixedly connected inside the rear frame 2 , two reinforcing frames 12 are provided, and a reinforcing plate 13 is fixedly connected between the two reinforcing frames 12 .

[0035] Two rib plates 14 are arranged inside the rear frame 2 , and the two rib plates 14 are fixedly connected to the front and rear inner walls of the rear frame 2 , respectively.

[0036] Two cab supports 15 are arranged inside the rear frame 2 . The two cab supports 15 are respectively fixedly connected to the front and rear inner walls of the rear frame 2 . The two cab supports 15 are respectively located at the top of the front and rear inner walls of the rear frame 2 .

[0037] Two gearbox supports 16 are arranged inside the rear frame 2 , and the two gearbox supports 16 are fixedly connected to the front and rear inner walls of the rear frame 2 , respectively.

[0038] Through the above technical solution, the reinforcement frame 12 and the reinforcement plate 13 are used to increase the strength of the overall structure of the rear frame 2, the rib plate 14 is fixed to the reinforcement inside the rear frame 2, the rigidity and stability of the rear frame 2 are improved, and then the performance of the rear frame 2 is improved, the cab support 15 is used to fix the support of the cab, and the gearbox support 16 is used to fix the position of the gearbox.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A loader frame connection mechanism, comprising a front frame (1) and a rear frame (2), characterized in that: A front hinge frame (3) is fixedly connected to the inner right side of the front frame (1), and a rear hinge frame (4) is fixedly connected to the inner left side of the rear frame (2); The front hinge frame (3) is provided with a front docking hole, a joint bearing (5) is fixedly connected in the front docking hole, a hinge pin (6) is arranged in the joint bearing (5), the rear hinge frame (4) is provided with a rear docking hole, an arc groove is provided on the top of the front hinge frame (3), a reinforcing column (7) is slidably arranged in the arc groove, the top and bottom of the reinforcing column (7) are respectively fixedly connected with a reinforcing rod (8), two limit plates (9) are fixedly connected to the surface of the reinforcing column (7), the top and bottom of the rear hinge frame (4) are respectively fixedly connected with a docking block (10), the left side of the docking block (10) is respectively provided with a docking groove, and the end of the docking block (10) away from the rear hinge frame (4) is respectively provided with a threaded hole, and a fastening bolt (11) is respectively threadedly connected in the threaded hole.

2. A loader frame connection mechanism according to claim 1, characterized in that: The right sides of the reinforcing rods (8) are respectively inserted into the docking grooves, and the reinforcing rods (8) are respectively fixedly connected to the docking blocks (10) via fastening bolts (11).

3. A loader frame connection mechanism according to claim 1, characterized in that: The right side of the front hinge frame (3) is inserted into the rear hinge frame (4), and the front hinge frame (3) is hinged to the rear hinge frame (4) via a hinge pin (6) in a joint bearing (5).

4. A loader frame connection mechanism according to claim 1, characterized in that: A reinforcing frame (12) is fixedly connected inside the rear frame (2), two reinforcing frames (12) are provided, and a reinforcing plate (13) is fixedly connected between the two reinforcing frames (12).

5. The loader frame connection mechanism according to claim 1, characterized in that: Two rib plates (14) are arranged inside the rear frame (2), and the two rib plates (14) are respectively fixedly connected to the front and rear inner walls of the rear frame (2).

6. A loader frame connection mechanism according to claim 1, characterized in that: Two cab supports (15) are arranged inside the rear frame (2), the two cab supports (15) are respectively fixedly connected to the front and rear inner walls of the rear frame (2), and the two cab supports (15) are respectively located at the top of the front and rear inner walls of the rear frame (2).

7. A loader frame connection mechanism according to claim 1, characterized in that: Two gearbox supports (16) are arranged inside the rear frame (2), and the two gearbox supports (16) are respectively fixedly connected to the front and rear inner walls of the rear frame (2).

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