Turnover mechanism of fork arm carrier

Abstract

The utility model relates to the technical field of turnover mechanisms, and particularly discloses a turnover mechanism of a fork arm carrier, which comprises a fixing frame, a hinging frame and a driving unit, the middle of the hinging frame is hinged on the fixing frame and can rotate along the vertical direction, one end of the hinging frame is connected with the fork arm carrier, and the driving unit is fixed on the fixing frame and can rotate along the vertical direction. By means of the hinge frame, the whole fork arm carrier can be lowered, the connecting point of the fork arm carrier and the driving unit can be moved downwards, the distance between the driving point of the driving unit and the hinge point is increased, the length of a force arm is increased, driving of the driving unit is easier, and the fork arm carrier is suitable for the long fork arm carrier.

Description

Technical Field

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

[0002] In order to increase the forking range of the fork and prevent the cargo on the fork from falling off, a tilting cylinder is usually set on the rear side of the fork frame. The fork frame is driven to rotate by the tilting cylinder, and the fork frame drives the fork to rotate together, thereby adjusting the inclination angle of the fork to facilitate oblique forking and prevent the cargo on the fork from falling off.

[0003] However, the existing method of directly driving the fork frame by the flipping cylinder is only applicable to narrow fork frames. For long fork frames, it is difficult for a single cylinder to drive them to rotate. If a double cylinder drive is adopted, the two cylinders need to be symmetrically arranged on both sides of the fork frame, resulting in a larger overall volume occupied by the flipping mechanism. Summary of the invention

[0004] The utility model is made in consideration of the above-mentioned problems. The purpose of the utility model is to provide a flipping mechanism of a fork frame. The fork frame is driven by an articulated frame, and two flipping cylinders of the flipping mechanism can be integrated in a fixed frame to drive the articulated frame, which occupies a small volume.

[0005] To achieve the above-mentioned purpose, the utility model provides a turnover mechanism of a fork frame, comprising a fixed frame, an articulated frame and a driving unit, wherein the middle part of the articulated frame is hinged on the fixed frame and can rotate in the up and down direction;

[0006] One end of the articulated frame is connected to the fork frame, and the driving unit is fixed on the fixed frame and can be connected to the other end of the articulated frame.

[0007] According to the above-mentioned flipping mechanism of a fork frame, a hinged ear plate is provided in the middle of the hinged frame, and the hinged ear plate protrudes backwards from both sides of the hinged frame. Both of the two hinged ear plates are rotatably connected to the fixed frame through a rotating shaft.

[0008] According to the above-mentioned tipping mechanism of a fork frame, the upper end of the articulated frame is connected to the fork frame, and the lower end of the articulated frame is provided with a connecting plate, and the driving unit can abut against the connecting plate.

[0009] According to the above-mentioned turning mechanism of a fork frame, the driving unit includes at least two turning cylinders, the two turning cylinders are arranged on the fixing frame at intervals, and the piston rods of the two turning cylinders can abut against both sides of the connecting plate at the same time.

[0010] According to the above-mentioned turning mechanism of the fork frame, the top of the connecting plate can abut against the bottom of the fork frame.

[0011] According to the above-mentioned turning mechanism of a fork frame, the fork frame includes a support body and a plurality of forks located on the support body, and the turning mechanism is installed on the rear side of the support body and is located in the middle of the support body.

[0012] The utility model has the following beneficial effects: an articulated frame is adopted to drive the fork frame to rotate together, the contact point between the fork frame and the tilting oil cylinder is moved downward, the rotational torque is increased, the two tilting oil cylinders do not need to be distributed at both ends of the fork frame, the overall occupied volume of the tilting mechanism can be reduced, and it can be suitable for a fork frame with a longer length. Since the two tilting oil cylinders are adopted to drive the fork frame at the same time, it can ensure that the two ends of the fork frame are displaced at the same time, the stability is better, and at the same time, by changing the position of the articulated ear plate on the articulated frame, the length of the force arm can be adjusted, which is convenient for adjusting the acting force. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 2. It is a schematic diagram of the overall structure of the fork frame of the embodiment;

[0014] Figure 2 is an assembly diagram of the tipping mechanism and the fork frame of the embodiment;

[0015] Figure 3 It is a schematic diagram of the structure of the turning mechanism of the embodiment.

[0016] In the figure:

[0017] 1. Fixed frame; 2. Articulated frame; 3. Flipping cylinder; 4. Articulated ear plate; 5. Rotating shaft; 6. Connecting plate; 7. Bracket body; 8. Fork. DETAILED DESCRIPTION

[0018] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0019] like Figure 1-3 As shown, a flipping mechanism of a fork frame comprises a fixed frame 1, an articulated frame 2 and a driving unit. The middle part of the articulated frame 2 is hinged on the fixed frame 1 and can rotate in the up and down direction. One end of the articulated frame 2 is connected to the fork frame. The driving unit is fixed on the fixed frame 1 and can be connected to the other end of the articulated frame 2. Then, the lower edge of the entire fork frame can be moved downward through the articulated frame 2, and the connection point with the driving unit can be moved downward, thereby increasing the distance between the driving point of the driving unit and the hinge point, increasing the length of the force arm, making it easier to drive the driving unit, and being suitable for a fork frame with a longer length.

[0020] In order to realize the articulation of the articulated frame 2 and the fixed frame 1, an articulated ear plate 4 is provided in the middle of the articulated frame 2, and the articulated ear plate 4 protrudes backward from both sides of the articulated frame 2. The two articulated ear plates 4 are rotatably connected to the fixed frame 1 through the rotating shaft 5, so that the articulated frame 2 can rotate around the rotating shaft 5. At the same time, during the production process, the position of the articulated ear plate 4 can be adjusted to achieve the height adjustment of the hinge point, and then the length adjustment of the force arm can be achieved to adapt to fork frames of different lengths.

[0021] In order to achieve the abutment between the articulated frame 2 and the driving unit, the upper end of the articulated frame 2 is connected to the fork frame, and the lower end of the articulated frame 2 is provided with a connecting plate 6. The driving unit can abut against the connecting plate 6. The driving unit can drive the connecting plate 6 to rotate, and then drive the articulated frame 2 to rotate. The articulated frame 2 drives the fork frame to rotate and adjust the angle of the fork 8.

[0022] In order to ensure driving stability, the driving unit includes at least two flip cylinders 3, and the two flip cylinders 3 are arranged at intervals on the fixed frame 1, and the piston rods of the two flip cylinders 3 can abut against both sides of the connecting plate 6 at the same time. The two sides are driven at the same time, which can ensure that both sides of the fork frame 8 are subjected to force at the same time, and the operation of both sides is more stable. At the same time, the top of the connecting plate 6 can abut against the bottom of the fork frame. When the connecting plate 6 is rotated under force, part of its force will directly act on the fork frame to assist its rotation.

[0023] Specifically, the fork frame includes a support body 7 and a plurality of forks 8 located on the support body 7. The flipping mechanism is installed on the rear side of the support body 7 and is located in the middle of the support body 7. The flipping mechanism can drive the two ends of the fork frame to rotate synchronously to ensure movement stability.

[0024] The technical solution of the utility model is described in detail above in conjunction with the accompanying drawings, and the described embodiments are used to help understand the idea of ​​the utility model. The specific embodiments described herein are merely examples of the spirit of the utility model. A person skilled in the art of the utility model may make various modifications or supplements to the described specific embodiments or replace them in a similar manner, but this will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A turning mechanism of a fork frame, characterized in that: It comprises a fixed frame, an articulated frame and a driving unit, wherein the middle part of the articulated frame is hinged on the fixed frame and can rotate in the up and down directions; One end of the articulated frame is connected to the fork frame, and the driving unit is fixed on the fixed frame and can be connected to the other end of the articulated frame.

2. A forklift tilting mechanism according to claim 1, characterized in that: A hinged ear plate is arranged in the middle of the hinged frame, and the hinged ear plate protrudes backwards from two sides of the hinged frame. Both of the two hinged ear plates are rotatably connected to the fixed frame through a rotating shaft.

3. The turning mechanism of a fork frame according to claim 2, characterized in that: The upper end of the articulated frame is connected to the fork frame, and the lower end of the articulated frame is provided with a connecting plate, and the driving unit can abut against the connecting plate.

4. The turning mechanism of a fork frame according to claim 3, characterized in that: The driving unit comprises at least two tilting oil cylinders, the two tilting oil cylinders are arranged on the fixing frame at intervals, and the piston rods of the two tilting oil cylinders can abut against two sides of the connecting plate at the same time.

5. The turning mechanism of a fork frame according to claim 3, characterized in that: The top of the connecting plate may abut against the bottom of the fork frame.

6. The turning mechanism of a fork frame according to claim 1, characterized in that: The fork frame comprises a support body and a plurality of forks located on the support body, and the flip mechanism is installed on the rear side of the support body and is located in the middle of the support body.

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