A bucket adjustable connection structure

Abstract

The utility model belongs to the field of engineering machinery, concretely relates to a shovel adjustable connecting structure, installs on the goods shelf of fork truck and is connected with the shovel, is used for installing the shovel on the fork truck, the connecting structure include the connecting frame, set up the connecting plate and the turnover drive unit of connecting frame, the connecting frame is connected with the goods shelf, the overhanging end of connecting plate is hinged with the shovel and forms first hinged axle, the turnover drive unit is hinged with the shovel and forms second hinged axle, the axis of first hinged axle and second hinged axle is parallel and is set up in the wrong position, this connecting structure can install the shovel on the fork truck, and make the shovel have the function of turnover adjustment angle on the fork truck, realize the switching of the fork support function and the shovel loading function of fork truck, reduce the purchase equipment cost, reduce the occupied space of equipment storage.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of engineering machinery, concretely relates to a shovel adjustable connecting structure. BACKGROUND

[0002] The traditional engineering vehicle has single function, for example, the forklift only has the function of lifting and transferring the pallet goods, but in actual production, the pallet goods need to be carried and the shovel loading operation needs to be carried out, in order to meet the actual material carrying condition, the forklift and the shovel truck need to be equipped, which not only causes the cost of purchasing equipment to increase greatly, but also needs to provide a large site for storing the forklift and the shovel truck. Therefore, how to install the shovel on the forklift and make the shovel have the function of turning on the forklift is the problem to be solved by the person skilled in the art. SUMMARY

[0003] In order to solve the above problems in the prior art, the utility model provides a shovel adjustable connecting structure, which can install the shovel on the forklift and make the shovel have the function of turning and adjusting the angle on the forklift, realize the switching of the forklift fork supporting function and the shovel loading function, reduce the cost of purchasing equipment and reduce the occupied space of storing the equipment.

[0004] The specific technical scheme adopted by the utility model is:

[0005] A shovel adjustable connecting structure is used for installing the shovel on the forklift, and the key lies in that the connecting structure comprises a connecting frame, a connecting plate arranged on the connecting frame and a turning driving unit, the connecting frame is connected with the goods shelf, the overhanging end of the connecting plate is hinged with the shovel to form a first hinge shaft, the turning driving unit is hinged with the shovel to form a second hinge shaft, and the axis lines of the first hinge shaft and the second hinge shaft are parallel and arranged in a staggered mode.

[0006] The turning driving unit comprises a first connecting rod, a second connecting rod, a third connecting rod and a hydraulic cylinder, the rear end of the first connecting rod is hinged with the connecting frame, the front end of the first connecting rod is fixedly connected with the second connecting rod, the second connecting rod, the third connecting rod and the shovel are hinged in sequence, and the two ends of the hydraulic cylinder are respectively hinged with the front end of the first connecting rod and the connecting frame.

[0007] The first connecting rod and the second connecting rod are vertically arranged.

[0008] The connecting frame is provided with a limiting block matched with the hinge end of the second connecting rod.

[0009] The hydraulic cylinder, the first connecting rod and the second connecting rod are symmetrically arranged along the third connecting rod.

[0010] The connecting plate is arranged on the two sides of the turning driving unit.

[0011] The upper and lower sides of the connecting frame are respectively hung on the goods shelf through upper hooks and lower hooks, and the lower side of the goods shelf is provided with a disengaging groove matched with the lower hooks.

[0012] The upper hooks are provided with safety pins, and the goods shelf is provided with plug-in holes matched with the safety pins.

[0013] The utility model discloses beneficial effect is:

[0014] 1, the utility model discloses a connecting frame, the shovel is respectively hinged in the connecting frame through the connecting plate and the turnover drive unit, installs the connecting frame on the goods shelf of the forklift, can realize the lifting of the shovel, and turnover drive unit drives the shovel to adjust the angle and realizes the turnover, thereby completes the shovel and unloading operation, only purchases the accessory of adaptation can refit the forklift, makes the forklift have the function of the forklift and the dumper, effectively saves the cost of purchase equipment, and the position of equipment storage occupies is small.

[0015] 2, the hydraulic cylinder in the turnover drive unit in the embodiment drives the shovel turnover through the first connecting rod, the second connecting rod and the third connecting rod, makes the movement of the shovel more flexible, and helps to protect the hydraulic cylinder from excessive impact force.

[0016] 3, the first connecting rod and the second connecting rod are vertically arranged, which helps to improve the stability and reliability of the turnover drive unit.

[0017] 4, the connecting frame is provided with a limiting block, the swing angle of the second connecting rod is limited, the coaxial condition of the first connecting rod and the hydraulic cylinder is avoided, and it is guaranteed that the first connecting rod and the second connecting rod can move along the preset path under the drive of the hydraulic cylinder.

[0018] 5, the two sides of the third connecting rod are provided with the hydraulic cylinder, the first connecting rod and the second connecting rod, so that the third connecting rod is stressed stably, the third connecting rod is prevented from twisting, and the service life of the turnover drive unit is prolonged.

[0019] 6, the two sides of the turnover drive unit are respectively provided with the connecting plate, the connection stability of the shovel and the connecting frame is improved, and the movement stability of the shovel is also improved.

[0020] 7, the upper and lower sides of the connecting frame are respectively hung on the goods shelf through upper hooks and lower hooks, the upper hooks are provided with safety pins that can be inserted into the goods shelf, the connection stability of the connecting frame and the goods shelf is improved, and the connecting frame and the goods shelf are convenient to disassemble and assemble, so that the conversion of the shovel loading and the fork supporting function can be realized quickly. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structural schematic diagram of the utility model;

[0022] Figure 2 It is the structural schematic diagram of the unrefurbished forklift;

[0023] Figure 3 A schematic diagram of the structure for converting a forklift into a loader;

[0024] Figure 4 This is a schematic diagram of the forklift mounting rack structure;

[0025] In the attached diagram, 1 is a forklift, 2 is a rack, 3 is a bucket, 4 is a connecting frame, 401 is an upper hook, 402 is a lower hook, 403 is a limit block, 5 is a connecting plate, 6 is a tilting drive unit, 601 is a first link, 602 is a second link, 6021 is a hinge end, 603 is a third link, 604 is a hydraulic cylinder, 7 is a release groove, 8 is a safety pin, 9 is a first hinge shaft, and 10 is a second hinge shaft. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0027] Specific implementation examples Figure 1 As shown, an adjustable bucket connection structure is used to install a bucket 3 on a forklift 1. The key feature is that the connection structure includes a connecting frame 4, a connecting plate 5 disposed on the connecting frame 4, and a tilting drive unit 6. The connecting frame 4 is connected to the rack 2. The cantilever end of the connecting plate 5 is hinged to the bucket 3 to form a first hinge shaft 9. The tilting drive unit 6 is hinged to the bucket 3 to form a second hinge shaft 10. The axes of the first hinge shaft 9 and the second hinge shaft 10 are parallel and offset.

[0028] like Figure 2 , Figure 3 As shown, when loading and unloading operations are required, the forks of the forklift 1 are removed from the rack 2, and the connecting frame 4 is installed on the rack 2. The forklift 1 raises and lowers the rack 2 to raise and lower the bucket 3. The connecting frame 4 is hinged to the bucket 3 via the connecting plate 5 and the tilting drive unit 6. The tilting drive unit 6 drives the bucket 3 to tilt along the first hinge axis 9, making the angle of the bucket 3 adjustable, which facilitates the bucket 3 to scoop up logistics and dump materials. This utility model utilizes the connecting frame 4 to realize the replacement of the bucket 3 and the forks, enabling the forklift to be converted into a forklift. Only suitable accessories need to be purchased to enable the forklift to have the functions of both a forklift and a forklift, effectively saving the cost of purchasing equipment, and the equipment occupies little space when stored.

[0029] Further, the overturning driving unit 6 comprises a first connecting rod 601, a second connecting rod 602, a third connecting rod 603 and a hydraulic cylinder 604, the rear end of the first connecting rod 601 is hingedly connected with the connecting frame 4, the front end of the first connecting rod 601 is fixedly connected with the second connecting rod 602, the second connecting rod 602, the third connecting rod 603 and the bucket 3 are hingedly connected in sequence, and the two ends of the hydraulic cylinder 604 are hingedly connected with the front end of the first connecting rod 601 and the connecting frame 4 respectively. When the hydraulic cylinder 604 is extended, the front end of the first connecting rod 601 is pressed down, the second connecting rod 602 and the third connecting rod 603 push the bucket 3, the bucket 3 is overturned along the first hinged shaft 9, and the dumping or cutting into the material to be scooped up is realized; when the hydraulic cylinder 604 is shortened, the front end of the first connecting rod 601 is swung up, and the second connecting rod 602 and the third connecting rod 603 pull the bucket 3 back to the initial position. The first connecting rod 601, the second connecting rod 602 and the third connecting rod 603 form a connecting rod mechanism, in the embodiment, the hydraulic cylinder 604 in the overturning driving unit 6 drives the bucket 3 to overturn by means of the connecting rod mechanism, the motion transmission characteristics of the connecting rod mechanism are utilized, the bucket 3 is firstly quickly close to the material in the overturning process, and then is cut into the material at a suitable angle, the movement of the bucket 3 is more flexible; on the other hand, in the process of scooping, the resistance of the bucket 3 is transmitted to the hydraulic cylinder 604 through the connecting rod mechanism, the connecting rod mechanism can decompose and buffer the force, and helps to protect the hydraulic cylinder 604 from excessive impact force.

[0030] Preferably, the first connecting rod 601 and the second connecting rod 602 are vertically arranged, which can effectively resist the torsional force and the bending force, reduce the risk of deformation of the first connecting rod 601 and the second connecting rod 602, and help to improve the stability and reliability of the overturning driving unit 6. Moreover, the vertical arrangement of the first connecting rod 601 and the second connecting rod 602 makes the structure of the overturning driving unit 6 more compact, helps to improve the precision of the overturning action of the bucket 3, and is conducive to the flexible operation of the forklift 1 with the bucket 3 in a narrow working space.

[0031] The connecting frame 4 is provided with a limiting block 403 matched with the hinged end 6021 of the second connecting rod 602, the hinged end 6021 is hingedly connected with the third connecting rod 603, when the hydraulic cylinder 604 is shortened, the first connecting rod 601 is swung up, the hinged end 6021 of the second connecting rod 602 abuts against the limiting block 403, the swinging angle of the first connecting rod 601 and the second connecting rod 602 is limited, the coaxial condition of the first connecting rod 601 and the hydraulic cylinder 604 is avoided, and it is ensured that the first connecting rod 601 and the second connecting rod 602 can move along the preset path.

[0032] Preferably, the hydraulic cylinders 604, the first connecting rods 601 and the second connecting rods 602 are symmetrically arranged along the third connecting rods 603, that is, the hydraulic cylinders 604, the first connecting rods 601 and the second connecting rods 602 are arranged on both sides of the third connecting rods 603, so that the third connecting rods 603 are stably stressed and are prevented from being twisted, thereby prolonging the service life of the turnover driving unit 6 as a whole.

[0033] Preferably, the connecting plates 5 are arranged on both sides of the turnover driving unit 6. As a further improvement, the connecting plates 5 are symmetrically arranged along the turnover driving unit 6, thereby improving the connection stability of the bucket 3 and the adjustable connecting structure and the movement stability of the bucket 3 and avoiding shaking of the bucket 3 due to uneven stress.

[0034] The upper and lower sides of the connecting frame 4 are respectively hung with the upper hooks 401 and the lower hooks 402 and the shelves 2, as shown in Figure 4 The lower side of the shelf 2 is provided with a disengagement groove 7 matched with the lower hooks 402. The upper hooks 401 and the lower hooks 402 have the same hook structure as that on the forks, and during installation, the lower hooks 402 of the connecting frame 4 are first aligned with the disengagement groove 7, the upper hooks 401 are hung with the shelves 2, the connecting frame 4 is translated, the lower hooks 402 are misaligned with the disengagement groove 7, the lower hooks 402 are clamped with the lower side of the shelves 2, the shelves 2 limit the up-and-down position and the front-and-rear position of the connecting frame 4, so that the connecting frame 4 and the bucket 3 can be synchronously lifted and lowered with the shelves 2. When it is needed to carry the pallet goods, the connecting frame 4 is translated along the shelves 2, the lower hooks 402 are located at the disengagement groove 7, the lower hooks 402 are separated from the shelves 2, the connecting frame 4 can be conveniently taken off from the shelves 2, and then the forks can be installed on the shelves 2.

[0035] Preferably, the upper hooks 401 are provided with safety pins 8, and the shelves 2 are provided with plug-in holes matched with the safety pins 8, the axial direction of the plug-in holes is parallel to the height direction of the shelves 2, when the connecting frame 4 is installed on the shelves 2, the safety pins 8 are inserted into the plug-in holes, the connecting frame 4 is prevented from moving left and right along the shelves 2, and the connection stability of the connecting frame 4 and the shelves 2 is improved, when it is needed to disassemble the connecting frame 4 with the bucket 3, the safety pins 8 are pulled out of the plug-in holes, the connecting frame 4 can be moved left and right along the shelves 2, and the connecting frame 4 can be taken off from the shelves 2.

Claims

1. A bucket adjustable connection structure for mounting a bucket (3) to a fork lift truck (1), characterized in that: The connecting structure comprises a connecting frame (4), a connecting plate (5) arranged on the connecting frame (4), and a turnover driving unit (6), the connecting frame (4) is connected with the goods shelf (2), the overhanging end of the connecting plate (5) is hinged with the shovel (3) to form a first hinged shaft (9), the turnover driving unit (6) is hinged with the shovel (3) to form a second hinged shaft (10), the first hinged shaft (9) and the second hinged shaft (10) are arranged in parallel and are misaligned.

2. The bucket adjustable connection structure according to claim 1, characterized in that: The turnover driving unit (6) comprises a first connecting rod (601), a second connecting rod (602), a third connecting rod (603), and a hydraulic cylinder (604), the rear end of the first connecting rod (601) is hinged with the connecting frame (4), the front end of the first connecting rod (601) is fixedly connected with the second connecting rod (602), the second connecting rod (602), the third connecting rod (603), and the shovel (3) are hinged in sequence, and the two ends of the hydraulic cylinder (604) are hinged with the front end of the first connecting rod (601) and the connecting frame (4) respectively.

3. A bucket adjustable connection structure according to claim 2, characterized in that: The first connecting rod (601) and the second connecting rod (602) are arranged vertically.

4. The bucket adjustable connection structure according to claim 3, characterized in that: The connecting frame (4) is provided with a limiting block (403) matched with the hinged end (6021) of the second connecting rod (602).

5. The bucket adjustable connection structure according to claim 2, characterized in that: The hydraulic cylinder (604), the first connecting rod (601), and the second connecting rod (602) are symmetrically arranged along the third connecting rod (603).

6. The bucket adjustable connection structure according to claim 1, characterized in that: The connecting plate (5) is arranged on both sides of the turnover driving unit (6).

7. The bucket adjustable connection structure according to claim 1, characterized in that: The upper and lower sides of the connecting frame (4) are hung with the goods shelf (2) through an upper hook (401) and a lower hook (402), and the lower side of the goods shelf (2) is provided with a disengaging groove (7) matched with the lower hook (402).

8. A bucket adjustable connection structure according to claim 7, characterized in that: The upper hook (401) is provided with a safety pin (8), and the goods shelf (2) is provided with a plug hole matched with the safety pin (8).

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