Mechanical fork arm assembly

Abstract

The utility model discloses a mechanical fork arm assembly which comprises a supporting arm, one end of the supporting arm is connected with mechanical equipment, the other end of the supporting arm is rotationally connected with a rotary connecting frame, the rotary connecting frame is of an annular or arc-shaped structure, and a plurality of through holes used for connecting and fixing the equipment are formed in the surface of the rotary connecting frame. A telescopic hydraulic cylinder is rotationally connected between the supporting arm and the rotary connecting frame. The mechanical working structure has the beneficial effects that the angle of the rotary connecting frame can be adjusted through stretching and retracting of the telescopic hydraulic cylinder, the rotary connecting frame is installed on different through holes according to the use requirement and the use angle of the mechanical working structure, and the mechanical working structure is more flexible and stable to use.

Description

Technical Field

[0001] The utility model relates to the field of mechanical fork arms, in particular to a mechanical fork arm assembly. Background Art

[0002] With the development of heavy equipment, mechanical fork arms can be widely used in energy, construction, mining, machining, aviation, vehicles and other industries. In specific applications, the mechanical fork arm needs to be installed on heavy machinery and equipment, and the fork structure, gripper structure, rod structure and other working structures are installed on its active end, and the mechanical fork arm is used to assist the working operation of the active end.

[0003] However, in the existing mechanical fork arm structure, the working end of the rod-shaped structure is often connected to the working structure by bolts, and the movement of the working structure is realized by the connection between the telescopic structure and the working structure. In actual work, it is difficult to replace the working structure of the movable end, and it is difficult to repair. In addition, the angle of the working structure cannot be adjusted according to the use requirements. The use method is relatively fixed and the scope of application is limited. Utility Model Content

[0004] The purpose of the present invention is to provide a mechanical fork arm assembly in order to solve the above problems, as described below.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a mechanical fork arm assembly, including a support arm, one end of the support arm is connected to a mechanical device, and the other end of the support arm is rotatably connected to a rotating connecting frame. The rotating connecting frame is an annular or arc-shaped structure, and a plurality of through holes are provided on its surface for connecting and fixing the equipment. A telescopic hydraulic cylinder is rotatably connected between the support arm and the rotating connecting frame.

[0007] As a preferred solution, the rotating connecting frame is an arc-shaped sheet structure with an angle of greater than or equal to 180°.

[0008] As a preferred solution, there are two support arms and two rotating connecting frames, and a connecting rib is fixedly connected between the two support arms.

[0009] As a preferred solution, the connecting rib plate extends along the length direction of the supporting arm, and a plurality of rib plates are connected between the connecting rib plate and the supporting arm.

[0010] As a preferred solution, the two rotating connecting frames are respectively connected to the two supporting arms, and a reinforcing rib is fixedly provided between the two rotating connecting frames.

[0011] As a preferred solution, the reinforcing rib is in a straight line shape or a broken line shape.

[0012] As a preferred solution, a side plate is provided at the end of the support arm away from the rotating connecting frame, the side plate is in a triangular structure, and no less than two through holes are provided on the side plate.

[0013] As a preferred solution, a side connecting plate is connected to the support arm, and the telescopic hydraulic cylinder is rotatably connected between the side connecting plate and the rotating connecting frame.

[0014] The beneficial effects are:

[0015] The angle of the rotating connecting frame can be adjusted by utilizing the telescopic hydraulic cylinder. It can be installed on different through holes according to the use requirements and use angles of the mechanical working structure. The working structure can also be replaced and repaired. The mechanical working structure is more flexible to use and can be connected and fixed according to needs. The equipment has a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0019] The following are the descriptions of the reference numerals:

[0020] 1. Support arm; 101. Side plate; 102. Side connecting plate; 2. Connecting rib plate; 201. Rib plate; 3. Rotating connecting frame; 301. Reinforcing rib; 302. Through hole; 4. Telescopic hydraulic cylinder. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0022] First embodiment:

[0023] See also Figure 1-Figure 2As shown, the utility model provides a mechanical fork arm assembly, including a support arm 1, the support arm 1 is a strip structure, one end of which is connected to the mechanical arm of the mechanical equipment, and the other end of which is rotatably connected to a rotating connecting frame 3, the rotating connecting frame 3 is annular or arc-shaped structure, and a plurality of through holes 302 are provided on its surface for connecting and fixing the equipment, a telescopic hydraulic cylinder 4 is rotatably connected between the support arm 1 and the rotating connecting frame 3, after the telescopic hydraulic cylinder 4 is extended or shortened, the telescopic hydraulic cylinder 4 can be used to push the rotating connecting frame 3 to rotate, and the rotating connecting frame 3 is slightly rotated, so that the connecting end of the rotating connecting frame 3 and the support arm 1 is rotated, thereby adjusting the angle of the mechanical working structure on the rotating connecting frame 3, further, since the rotating connecting frame 3 is provided with a plurality of through holes 302, the mechanical working structure can be installed on different through holes 302 according to the use requirements, and can also be fixed on a plurality of through holes 302 according to the different use angle requirements, so as to realize the fixation of the mechanical working structure, and the working structure can also be replaced and repaired, the mechanical working structure is more flexible to use, and the working structure can be connected and fixed according to the requirements, and the equipment has a wider range of application.

[0024] The second embodiment is different from the first embodiment in that:

[0025] There are two support arms 1 and two rotating connecting frames 3. A connecting rib 2 is fixedly connected between the two support arms 1. The connecting rib 2 is a strip-shaped structure and extends along the length direction of the support arm 1. Its symmetrical surfaces are respectively connected to the two support arms 1. The support arm 1 is welded to the connecting rib 2, which can connect and reinforce the two support arms 1.

[0026] Preferably, a plurality of ribs 201 are connected between the connecting ribs 2 and the support arms 1, so as to strengthen the connection strength between the two support arms 1. When connecting, the support arms 1, the connecting ribs 2 and the ribs 201 are welded together.

[0027] There are two rotating connecting frames 3, which are connected by reinforcing ribs 301. The two rotating connecting frames 3 correspond to the two supporting arms 1 respectively, and the rotating connecting frames 3 are rotatably connected to the supporting arms 1 by a rotating pin.

[0028] The reinforcing rib 301 is a straight or broken-line plate-shaped structure. When connected, the reinforcing rib 301 is welded to the rotating connecting frame 3 .

[0029] The third embodiment is different from the first embodiment in that:

[0030] The rotating connecting frame 3 is an arc-shaped sheet structure greater than or equal to 180°, so the rotating connecting frame 3 has a larger rotation space and the rotation is more stable.

[0031] The fourth embodiment is different from the first embodiment in that:

[0032] At the connecting end of the support arm 1, a side plate 101 is provided at the end of the support arm 1 away from the rotating connecting frame 3. The side plate 101 is in a triangular structure. No less than two through holes are provided on the side plate 101. The connection with the mechanical equipment is achieved by using multiple through holes. The side plate 101 is integrally formed with the support arm 1.

[0033] The support arm 1 is connected with a side connecting plate 102 , and the telescopic hydraulic cylinder 4 is rotatably connected between the side connecting plate 102 and the rotating connecting frame 3 .

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A mechanical fork arm assembly, comprising a support arm (1), characterized in that: One end of the support arm (1) is connected to the mechanical equipment, and the other end is rotatably connected to a rotatable connecting frame (3). The rotatable connecting frame (3) is an annular or arc-shaped structure, and a plurality of through holes (302) are provided on its surface for connecting and fixing the equipment. A telescopic hydraulic cylinder (4) is rotatably connected between the support arm (1) and the rotatable connecting frame (3).

2. A mechanical fork arm assembly according to claim 1, characterized in that: The rotating connecting frame (3) is an arc-shaped sheet structure with an angle of greater than or equal to 180 degrees.

3. A mechanical fork arm assembly according to claim 1 or 2, characterized in that: The number of the support arms (1) and the number of the rotating connecting frames (3) are both two, and a connecting rib plate (2) is fixedly connected between the two support arms (1).

4. A mechanical fork arm assembly according to claim 3, characterized in that: The connecting rib plate (2) extends along the length direction of the support arm (1), and a plurality of rib plates (201) are connected between the connecting rib plate (2) and the support arm (1).

5. A mechanical fork arm assembly according to claim 3, characterized in that: The two rotating connection frames (3) are respectively connected to the two support arms (1), and a reinforcing rib (301) is fixedly provided between the two rotating connection frames (3).

6. A mechanical fork arm assembly according to claim 5, characterized in that: The reinforcing rib (301) is in a straight line shape or a broken line shape.

7. A mechanical fork arm assembly according to claim 1, characterized in that: The end of the support arm (1) away from the rotating connection frame (3) is provided with a side plate (101), the side plate (101) is in a triangular structure, and the side plate (101) is provided with no less than two through holes.

8. A mechanical fork arm assembly according to claim 1, characterized in that: The support arm (1) is connected to a side connecting plate (102), and the telescopic hydraulic cylinder (4) is rotatably connected between the side connecting plate (102) and the rotating connecting frame (3).

Images