Multi-connecting-rod transmission assembly for forklift

Abstract

The utility model relates to the technical field of forklifts, in particular to a multi-connecting-rod transmission assembly for a forklift. One end of the push rod is provided with a roller assembly, the other end of the push rod is provided with a first connecting rod assembly, the first connecting rod assembly is provided with a second connecting rod assembly through a linkage claw, and the first connecting rod assembly and the second connecting rod assembly are arranged in a vertically staggered mode. The second rocker arm shaft is sleeved with a second rocker arm pipe, rocker arm large arms are installed at the two ends of the second rocker arm pipe and connected with the forklift body, rocker arm connecting rods are in pin joint with the middle positions of the horizontal sections of the rocker arm large arms, and the lower ends of the rocker arm connecting rods are in pin joint with the linkage claws. Each connecting rod can fully extend, so that the power transmission efficiency is improved, and the power transmission of the forklift in a narrow and compact space or under special working requirements is facilitated; the cargo carrying stability is improved; the requirement for operation skills of workers is lowered, the fatigue degree and the operation error rate of the workers are lowered, the applicability and flexibility of the forklift are improved, all the connecting rods can respond quickly, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a multi-link transmission assembly for forklifts. Background Art

[0002] Existing forklifts have the following defects when used in small and compact spaces or under special work requirements:

[0003] First: In a small space, the linkage assembly of a manual forklift may not be able to fully extend, and the operating space is limited, resulting in reduced power transmission efficiency and limiting the adaptability and flexibility of the forklift;

[0004] Second: The connecting rod assembly may not transmit force evenly, causing unstable cargo handling;

[0005] Third: When operating a manual forklift, workers need higher operating skills to avoid collisions or damage to the goods. At the same time, in special working environments, operators may need to take unnatural postures to control the forklift, which may cause fatigue and operating errors; moreover, the connecting rod assembly may face greater risk of wear and damage;

[0006] Fourth: When the position or direction of the forklift needs to be adjusted frequently, the existing linkage assembly may not respond quickly, affecting work efficiency; the operator's line of sight may be restricted, increasing the risk of accidents. Summary of the invention

[0007] The technical problem to be solved by the utility model is: in order to solve the problems existing in the prior art in the above-mentioned background technology, a multi-link transmission assembly for a forklift is provided, which is convenient for power transmission of the forklift in a small and compact space or under special working requirements.

[0008] The utility model solves the technical problem by adopting the following technical solution: a multi-link transmission assembly for a forklift, which is used to be installed in front of a forklift body, and comprises a push rod, one end of which is installed with a roller assembly, the other end of which is installed with a first link assembly, the first link assembly is installed with a second link assembly through a linkage claw, and the first link assembly and the second link assembly are arranged in an up-down staggered manner;

[0009] The second connecting rod assembly includes a second rocker arm shaft, a second rocker arm tube is sleeved on the second rocker arm shaft, rocker arms are installed at both ends of the second rocker arm tube, the rocker arm is connected to the forklift body, a rocker arm connecting rod is pinned at the middle position of the horizontal section of the rocker arm, and the lower end of the rocker arm connecting rod is pinned to the linkage claw.

[0010] Furthermore, the first connecting rod assembly includes a first rocker arm shaft, a first rocker arm tube is sleeved on the first rocker arm shaft, both ends of the first rocker arm tube are sleeved with a push rod claw and a linkage claw, and the push rod and the push rod claw are pin-connected.

[0011] Furthermore, the push rod includes a rod body, a sleeve is provided at the front end of the rod body, and the bottom surface of the push rod and the sleeve are connected via an inclined surface.

[0012] Furthermore, the push rod includes a rod body, a connecting head is provided at the rear end of the rod body, the connecting head is divided into a rod portion and a fork portion, and the rod portion and the fork portion are connected via an inclined surface.

[0013] Furthermore, the vertical cross-sectional shape of the rocker arm boom is "V"-shaped, and the rocker arm boom is divided into a horizontal section and an inclined section. A first pin hole is opened at the upper end of the inclined section, a second pin hole for pin-connecting the rocker arm connecting rod is opened at the middle position of the horizontal section, and a third pin hole is opened at the front end of the horizontal section. The height of the front end of the horizontal section is greater than the height of the rear end of the horizontal section, and the length of the horizontal section is greater than the length of the inclined section.

[0014] Furthermore, there are two rocker arm connecting rods, and a rocker arm is sandwiched between the two rocker arm connecting rods.

[0015] Furthermore, one end of the push rod claw and the linkage claw is a large end, and the other end of the push rod claw and the linkage claw is a small end. The large ends of the push rod claw and the linkage claw are both sleeved on the first rocker arm tube, the small end of the push rod claw is pin-connected to the push rod, and the small end of the linkage claw is pin-connected to the lower end of the rocker arm connecting rod.

[0016] Beneficial effects of the utility model:

[0017] First: The first connecting rod assembly and the second connecting rod assembly are staggered up and down, so that each connecting rod can be fully extended, improving the power transmission efficiency and facilitating the power transmission of the forklift in a small and compact space or under special working requirements;

[0018] Second: Each connecting rod can evenly transmit force to improve the stability of cargo handling;

[0019] Third: Reduce the requirements for operating skills of the staff, effectively avoid collision or damage to the goods; in special working environments, reduce the fatigue and operating error rate of the staff, and also reduce the wear on the connecting rods;

[0020] Fourth: The applicability and flexibility of the forklift are improved, and each connecting rod can respond quickly to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the push rod of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the rocker arm of the utility model;

[0025] In the figure: 1. Push rod, 2. Linkage claw, 3. Second rocker arm shaft, 4. Second rocker arm tube, 5. Rocker arm, 6. Rocker arm connecting rod,

[0026] 7. First rocker arm shaft, 8. First rocker arm tube, 9. Push rod claw,

[0027] 10. Sleeve, 11. Connecting head, 12. First pin hole, 13. Second pin hole, 14. Third pin hole, 15. Rod shaft. DETAILED DESCRIPTION

[0028] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0029] like Figures 1 to 3 A multi-link transmission assembly for a forklift shown in the figure is used to be installed in front of the forklift body, comprising a push rod 1, one end of the push rod 1 is installed with a roller assembly, the other end of the push rod 1 is installed with a first link assembly, the first link assembly is installed with a second link assembly through a linkage claw 2, and the first link assembly and the second link assembly are arranged in an up-down staggered manner;

[0030] The second connecting rod assembly includes a second rocker arm shaft 3, on which a second rocker arm tube 4 is sleeved, and rocker arms 5 are installed at both ends of the second rocker arm tube 4. The second rocker arm tube 4 and the rocker arm 5 are tightly fitted, and the rocker arm 5 is connected to the forklift body. A rocker arm connecting rod 6 is pinned at the middle position of the horizontal section of the rocker arm 5, and the lower end of the rocker arm connecting rod 6 is pinned to the linkage claw 2.

[0031] The first connecting rod assembly includes a first rocker arm shaft 7, on which a first rocker arm tube 8 is sleeved, and both ends of the first rocker arm tube 8 are sleeved with a push rod claw 9 and a linkage claw 2, the push rod claw 9 and the linkage claw 2 are tightly fitted with the first rocker arm tube 8, and the push rod 1 and the push rod claw 9 are pin-connected.

[0032] The central axis of the first rocker arm shaft 7 and the central axis of the second rocker arm shaft 3 are arranged in parallel and offset.

[0033] like Figure 2 As shown, the push rod 1 includes a rod body 15, a sleeve 10 is provided at the front end of the rod body 15, and the bottom surface of the push rod 1 is connected to the sleeve 10 via an inclined surface.

[0034] like Figure 2As shown, the push rod 1 includes a shaft 15, and a connecting head 11 is provided at the rear end of the shaft 15. The connecting head 11 is divided into a shaft portion and a fork portion, and the shaft portion and the fork portion are connected via an inclined surface.

[0035] like Figure 3 As shown, the vertical cross-sectional shape of the rocker arm 5 is "V"-shaped, and the rocker arm 5 is divided into a horizontal section and an inclined section. A first pin hole 12 is provided at the upper end of the inclined section, a second pin hole 13 for pin-connecting the rocker arm connecting rod 6 is provided at the middle position of the horizontal section, a third pin hole 14 is provided at the front end of the horizontal section, the front end height of the horizontal section is greater than the rear end height of the horizontal section, and the length of the horizontal section is greater than the length of the inclined section.

[0036] There are two rocker arm connecting rods 6, and a rocker arm 5 is sandwiched between the two rocker arm connecting rods.

[0037] like Figure 1 As shown, it can be seen that one end of the push rod claw 9 and the linkage claw 2 is the large end, and the other end of the push rod claw 9 and the linkage claw 2 is the small end. The large ends of the push rod claw 9 and the linkage claw 2 are both sleeved on the first rocker arm tube 8, the small end of the push rod claw 9 is pin-connected to the push rod 1, and the small end of the linkage claw 2 is pin-connected to the lower end of the rocker arm connecting rod 6.

[0038] Working process:

[0039] When the forklift is in use, the staff operates the forklift body to drive the rocker arm 5 to tilt backward and drive the rocker arm connecting rod 6 to move downward, thereby driving the first connecting rod assembly to push the push rod 1 forward and insert the fork installed on the push rod 1 into the bottom of the cargo, usually the fork hole of the pallet;

[0040] When the forklift is removed, the staff operates the forklift body to drive the rocker arm 5 to rotate forward, and at the same time drives the rocker arm connecting rod 6 to move upward, so that the first connecting rod assembly drives the push rod 1 to move backward, and removes the fork installed on the push rod 1 from the fork hole of the cargo pallet, and repeats this process.

[0041] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A multi-link transmission assembly for a forklift, which is installed in front of a forklift body, characterized in that: The push rod (1) comprises a roller assembly mounted on one end of the push rod (1), a first connecting rod assembly mounted on the other end of the push rod (1), the first connecting rod assembly being mounted on a second connecting rod assembly via a linkage claw (2), and the first connecting rod assembly and the second connecting rod assembly being arranged in an up-down staggered manner; The second connecting rod assembly comprises a second rocker arm shaft (3), a second rocker arm tube (4) is sleeved on the second rocker arm shaft (3), rocker arm booms (5) are installed at both ends of the second rocker arm tube (4), the rocker arm boom (5) is connected to the forklift body, a rocker arm connecting rod (6) is pin-connected at the middle position of the horizontal section of the rocker arm boom (5), and the lower end of the rocker arm connecting rod (6) is pin-connected to the linkage claw (2).

2. A multi-link transmission assembly for a forklift according to claim 1, characterized in that: The first connecting rod assembly comprises a first rocker arm shaft (7), a first rocker arm tube (8) is sleeved on the first rocker arm shaft (7), both ends of the first rocker arm tube (8) are sleeved with a push rod claw (9) and a linkage claw (2), and the push rod (1) and the push rod claw (9) are pin-connected.

3. The multi-link transmission assembly for a forklift according to claim 1, characterized in that: The push rod (1) comprises a rod body (15), a sleeve (10) is provided at the front end of the rod body (15), and the bottom surface of the push rod (1) and the sleeve (10) are connected via an inclined surface.

4. A multi-link transmission assembly for a forklift according to claim 1, characterized in that: The push rod (1) comprises a rod body (15), a connecting head (11) is provided at the rear end of the rod body (15), the connecting head (11) is divided into a rod part and a fork head part, and the rod part and the fork head part are connected via an inclined surface.

5. The multi-link transmission assembly for a forklift according to claim 1, characterized in that: The vertical cross-sectional shape of the rocker arm boom (5) is in a "V" shape. The rocker arm boom (5) is divided into a horizontal section and an inclined section. A first pin hole (12) is provided at the upper end of the inclined section. A second pin hole (13) for pin-connecting the rocker arm connecting rod (6) is provided at the middle position of the horizontal section. A third pin hole (14) is provided at the front end of the horizontal section. The height of the front end of the horizontal section is greater than the height of the rear end of the horizontal section. The length of the horizontal section is greater than the length of the inclined section.

6. The multi-link transmission assembly for a forklift according to claim 1, characterized in that: The number of the rocker arm connecting rods (6) is two, and a rocker arm (5) is sandwiched between the two rocker arm connecting rods.

7. The multi-link transmission assembly for a forklift according to claim 2, characterized in that: One end of the push rod claw (9) and the linkage claw (2) is a large end, and the other end of the push rod claw (9) and the linkage claw (2) is a small end. The large ends of the push rod claw (9) and the linkage claw (2) are both sleeved on the first rocker arm tube (8), the small end of the push rod claw (9) is pin-connected to the push rod (1), and the small end of the linkage claw (2) is pin-connected to the lower end of the rocker arm connecting rod (6).

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