Anti-deformation structure of bulldozer engine upper cover

Abstract

The utility model relates to the technical field of bulldozer structures, in particular to a bulldozer engine upper cover anti-deformation structure which comprises a front hood, the front hood is connected with one end of an engine upper cover in a hinged structure mode, and the other end of the engine upper cover is connected with one end of a connecting rod in a hinged structure mode. The end, away from the engine upper cover, of the connecting rod is hinged to the portal frame. The engine upper cover and the connecting rod are arranged to form the swing mechanism, the swing mechanism swings in the stress direction after the engine upper cover is stressed, acting force is counteracted, and the engine upper cover is prevented from being extruded and deformed; the first hinge seat and the second hinge seat can be relatively fixed in the vertical direction, so that the pin shaft can be conveniently and quickly inserted, and the mounting efficiency is improved.

Description

Technical field:

[0001] The present application relates to the technical field of bulldozer structures, and in particular to an anti-deformation structure of an upper cover of a bulldozer engine. Background technology:

[0002] At present, the connection between the engine hood and the front hood and the gantry is rigidly connected by bolts. When the bulldozer is doing bulldozing, the reaction force from the ground is transmitted to the front hood through the lifting cylinder. The front hood will produce a certain degree of deformation due to the material, and the force is transmitted to the engine hood connected to it through the front hood. The transmitted force directly acts on the engine hood and cannot be offset, which will cause the deformation of the engine hood and affect the service life of the engine hood. Utility model content:

[0003] In order to solve the above technical problems, the utility model provides a bulldozer engine upper cover anti-deformation structure, which solves the technical problem that the engine upper cover is subjected to the deformation and extrusion force of the front hood and cannot offset it, resulting in deformation and affecting the service life. In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0004] The anti-deformation structure of the bulldozer engine upper cover includes:

[0005] The front hood, the engine upper hood, the connecting rod and the gantry are connected to one end of the engine upper hood by means of a hinged structure, the other end of the engine upper hood is connected to one end of the connecting rod by means of a hinged structure, and the other end of the connecting rod is connected to the gantry by means of a hinged structure.

[0006] Furthermore, a connecting beam is provided on the lower end surface of the front hood in a fixed structural manner, and a first hinge seat is fixedly provided on one side of the connecting beam;

[0007] The engine upper cover is provided with a second hinge seat, and a pin shaft is interspersed in the second hinge seat and the first hinge seat.

[0008] Furthermore, a support seat is provided on the side elevation of the connecting beam in a fixed structural manner, and a second support block for supporting an upper cover of the engine is provided on an upper end surface of the support seat.

[0009] Furthermore, the number of connecting rods is two, and a limit plate is arranged between the two connecting rods in a fixed structure manner;

[0010] A first support block is arranged on the upper end surface of the gantry in a fixed structure manner, and the first support block is located below the side plate of the limiting plate.

[0011] Furthermore, the first support block is connected to the gantry via bolts, and the support seat is connected to the second support block via bolts.

[0012] The beneficial effects of the utility model are:

[0013] 1. The engine upper cover and the connecting rod form a swing mechanism. After the engine upper cover is subjected to the deformation force of the front hood, the engine upper cover swings backward along the force direction to offset the force, prevent the engine upper cover from being squeezed and deformed, and increase its service life.

[0014] 2. By setting the first support block and the second support block, the engine upper cover is supported in the vertical direction during installation, ensuring that the first hinge seat and the second hinge seat can be relatively fixed in the vertical direction, thereby facilitating the rapid insertion of the pin shaft and improving the installation efficiency. Description of the drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a cross-sectional schematic diagram of the utility model.

[0017] In the figure:

[0018] 1. front hood, 2. engine upper hood, 3. connecting rod, 4. gantry, 5. connecting beam, 6. limit plate, 7. first support block, 8. first hinge seat, 9. support seat, 10. second support block, 11. second pin shaft seat. Specific implementation method:

[0019] In order to make the purpose, technical scheme and advantages of the implementation of the utility model clearer, the utility model will now be further described in detail with reference to the accompanying drawings and the following examples so that the public can better understand the implementation method of the utility model. The specific implementation scheme of the utility model is as follows:

[0020] The anti-deformation structure of the bulldozer engine upper cover includes a front hood 1, which is connected to one end of the engine upper cover 2 by a hinged structure, and the other end of the engine upper cover 2 is connected to one end of a connecting rod 3 by a hinged structure. The end of the connecting rod 3 away from the engine upper cover 2 is connected to a gantry 4 by a hinged structure. A swing mechanism is formed by the engine upper cover 2 and the connecting rod 3. After the engine upper cover 2 is subjected to force, the swing mechanism swings along the force direction to offset the force and prevent the engine upper cover from being squeezed and deformed.

[0021] Specifically, a connecting beam 5 is provided on the lower end surface of the front hood 1 in a fixed structural manner, a first hinge seat 8 is fixedly provided on one side of the connecting beam 5, a second hinge seat 11 is provided on the engine upper hood 2, and pins are inserted in the second hinge seat 11 and the first hinge seat 8; the first hinge seat and the second hinge seat fix the engine upper hood in the vertical direction, thereby facilitating and quickly inserting the pins and improving installation efficiency.

[0022] It should be noted that there are two connecting rods 3; using two connecting rods 3 can prevent the engine upper cover 2 from tilting due to uneven force.

[0023] On the basis of the above embodiments, during assembly, the engine upper cover 2 is first opened to hinge the end of the connecting rod 3 away from the engine upper cover 2 with the gantry, and then the engine upper cover 2 is buckled. At this time, the worker is required to put his head under the engine upper cover 2, and two people are required to cooperate, one person lifts and supports the engine upper cover 2, and the other person installs the pin shaft, which is inefficient.

[0024] Based on the above problems, in another embodiment, a support seat 9 is provided on the side elevation of the connecting beam 5 in a fixed structure manner, and a second support block 10 supporting the engine upper cover 2 is provided on the upper end surface of the support seat 9, and the support seat 9 and the second support block 10 are connected by bolts; the engine upper cover 2 can be supported by the second support block 10 after being buckled, and then only one person is needed to install the pin shaft, thereby improving the installation efficiency.

[0025] Furthermore, there are two connecting rods 3, a limit plate 6 is arranged between the two connecting rods 3 in a fixed structure manner, and a first support block 7 is arranged on the upper end surface of the gantry 4 in a fixed structure manner. The first support block 7 is located below the side plate of the limit plate 6, and the first support block 7 is connected to the gantry 4 by bolts; the first support block 7 provides support for the limit plate 6 and the connecting rod 3, so that the connecting rod 3 remains in a standing state, and the pin shaft can be quickly installed after the engine cover is buckled.

[0026] The working principle and working process of the utility model are as follows:

[0027] Place the limit plate 6 on the upper end surface of the first support block 7 with the angles on both sides facing the front hood 1. At this time, use a pin to hinge one end of the connecting rod 3 to the gantry 4. Then place one end of the engine upper cover 2 on the second support block 10. Use a pin to pass through the first hinge seat 8 and the second pin seat 11 to hinge the engine upper cover 2 to the front hood 1. Then, hinge the other end of the engine upper cover 2 to the end of the connecting rod 3 away from the gantry 4. Finally, pass the pin through the first hinge seat 8 and the second pin seat 11 to hinge the engine upper cover 2 to the front hood 1.

[0028] When the engine upper cover 2 is subjected to the pulling force / thrusting force transmitted from the front engine cover 1, the engine upper cover 2 moves forward or backward. Since the engine upper cover 2 and the connecting rod 3 are hinged, the engine upper cover 2 applies pulling force / thrusting force to the connecting rod 3 through the hinge point, driving the end of the connecting rod 3 close to the engine upper cover 2 to swing in the pulling force / thrusting direction.

[0029] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "front", "back", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Although the present invention has been described according to a limited number of embodiments, those skilled in the art, with the benefit of the above description, should understand that other embodiments can be conceived within the scope of the present invention described thereby.

Claims

1. The anti-deformation structure of the bulldozer engine upper cover is characterized by: include: A front hood (1), an engine upper hood (2), a connecting rod (3) and a gantry (4); the front hood (1) is connected to one end of the engine upper hood (2) in an articulated structure; the other end of the engine upper hood (2) is connected to one end of the connecting rod (3) in an articulated structure; and the other end of the connecting rod (3) is connected to the gantry (4) in an articulated structure.

2. The bulldozer engine upper cover anti-deformation structure according to claim 1, characterized in that: A connecting beam (5) is provided on the lower end surface of the front hood (1) in a fixed structural manner, and a first hinge seat (8) is fixedly provided on one side of the connecting beam (5); The engine upper cover (2) is provided with a second hinge seat (11), and a pin shaft is inserted into the second hinge seat (11) and the first hinge seat (8).

3. The bulldozer engine upper cover anti-deformation structure according to claim 2, characterized in that: A support seat (9) is arranged on the side elevation of the connection beam (5) in a fixed structural manner, and a second support block (10) for supporting the engine upper cover (2) is arranged on the upper end surface of the support seat (9).

4. The bulldozer engine upper cover anti-deformation structure according to claim 1, characterized in that: There are two connecting rods (3), and a limiting plate (6) is arranged between the two connecting rods (3) in a fixed structure manner; A first support block (7) is arranged on the upper end surface of the gantry (4) in a fixed structure manner, and the first support block (7) is located below the side plate of the limiting plate (6).

5. The bulldozer engine upper cover anti-deformation structure according to claim 4, characterized in that: The first support block (7) is connected to the gantry (4) via bolts, and the support seat (9) is connected to the second support block (10) via bolts.

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