Extremely narrow moving width section telescopic fork

Abstract

The utility model relates to a telescopic fork with an extremely-narrow moving width section, which comprises a base frame, a first rack rail, a second rack rail and a transmission gear, the moving track is installed on the base frame, the moving track comprises a second rack rail and an intermediate gear, the transmission gear is meshed with the second rack rail, and the transmission gear can drive the moving track to move; the upper fork is installed on the moving track, the upper fork is provided with a third toothed rail, the middle gear is meshed with the first toothed rail and the third toothed rail, and the middle gear can drive the upper fork to move; the transmission gear is meshed with the second toothed rail to drive the moving rail to move, so that first-stage movement of the upper fork is achieved, the middle gear moves along with the upper fork and is meshed with the first toothed rail and the third toothed rail, second-stage movement of the upper fork is achieved, the upper fork is unfolded within a short distance, meanwhile, the size of the upper fork is reduced, and the upper fork is well matched with the environment with the small space; the loss of the goods is reduced, and the logistics efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical handling, and in particular to a telescopic fork with an extremely narrow movable width cross section. Background Art

[0002] The cargo fork is an accessory of the forklift, which is equivalent to a manipulator mounted on the forklift, making the forklift a multi-purpose and efficient material handling tool. It can fork, clamp, push, pull, shift sideways and rotate the transported objects, thereby improving logistics efficiency, reducing production costs, avoiding product damage and saving storage space.

[0003] With the centralization of logistics distribution centers, more and more goods need to be uniformly distributed in the distribution centers and then sent to various places. In pursuit of efficiency, the distance between goods is becoming narrower and narrower, and the space is becoming smaller and smaller. Conventional forks are unable to adapt well to smaller spaces due to their large size, wide bandwidth and long length, which can easily cause damage to goods and reduce logistics efficiency.

[0004] Therefore, it is necessary to develop a telescopic fork with an extremely narrow mobile width cross section to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a telescopic fork with an extremely narrow movable width section which can be adapted to a relatively small space.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a telescopic fork with extremely narrow movable width cross section, comprising:

[0007] A base frame is provided with a first rack and a transmission gear;

[0008] A movable track is installed on the base frame, the movable track comprises a second rack and an intermediate gear, the transmission gear is meshed with the second rack, and the transmission gear can drive the movable track to move;

[0009] The upper fork is installed on the movable track. The upper fork has a third rack. The intermediate gear is respectively engaged with the first rack and the third rack. The intermediate gear can drive the upper fork to move.

[0010] Furthermore, the movable track is recessed inward from both sides thereof to form a first slide groove, the first slide groove extends from one end of the movable track to the other end, and the first slide groove is used to movably connect the base frame.

[0011] Furthermore, the base frame is provided with a plurality of position limiting members and a plurality of rollers which are arranged relatively to each other, and the plurality of position limiting members and the plurality of rollers extend into the first sliding grooves respectively.

[0012] Furthermore, the movable track is recessed inward from both sides thereof to form a second slide groove, and the second slide groove extends from one end of the movable track to the other end, and the second slide groove is used for movably connecting the upper fork.

[0013] Furthermore, the upper fork is provided with a plurality of auxiliary rollers which are arranged opposite to each other, and the plurality of auxiliary rollers extend into the second sliding groove respectively.

[0014] Furthermore, the movable track is recessed from its bottom to form an empty slot, and the empty slot extends from one end of the movable track to the other end, so as to avoid interference with the first rack when the movable track moves.

[0015] Furthermore, the second rack is located in the empty slot, and the transmission gear extends into the empty slot to mesh with the second rack.

[0016] Furthermore, the number of the intermediate gears is a pair, a reduction gear is installed between the pair of intermediate gears, and the reduction gears are respectively meshed with the intermediate gears for reducing the speed of the intermediate gears.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the utility model is a telescopic fork with an extremely narrow movable width section, which can be adapted to a smaller space. The transmission gear drives the movable track to move by meshing with the second rack rail, thereby realizing the first stage of movement of the upper fork, and the intermediate gear moves accordingly and meshes with the first rack rail and the third rack rail, thereby realizing the second stage of movement of the upper fork, unfolding the upper fork within a shorter distance, and at the same time reducing the volume of the upper fork, better adapting to an environment with a smaller space, reducing losses to goods, and improving logistics efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a telescopic fork with an extremely narrow movable width cross section of the utility model;

[0020] Figure 2 for Figure 1 A partial cross-sectional view of the base frame of the telescopic fork with an extremely narrow mobile width section shown;

[0021] Figure 3 for Figure 1 A perspective view of the base frame of the telescopic fork showing an extremely narrow mobile width section;

[0022] Figure 4 for Figure 1 The schematic diagram of the moving track structure of the telescopic fork with extremely narrow moving width cross section is shown;

[0023] Figure 5 for Figure 1 A cross-sectional view of the moving track and base frame of the telescopic fork with an extremely narrow moving width section shown;

[0024] Figure 6 for Figure 1 The shown figure is a cross-sectional view of the moving track, base frame and upper fork of the telescopic fork with an extremely narrow moving width section. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Please see Figures 1 to 6 The utility model is a telescopic fork with an extremely narrow movable width section, which comprises a linkage device 1, a base frame 2 connected to the linkage device 1, a movable track 3 installed on the base frame 2, and an upper fork 4 moving along the movable track 3.

[0027] Please see Figure 1 to Figure 2 The linkage device 1 includes a driving motor 11 and a transmission rod 12 driven by the driving motor. The driving motor 11 is horizontally placed, and its output end is connected to a reducer 13. The transmission rod 12 is connected to the reducer 13. The driving motor 11 drives the transmission rod 12 to rotate through the reducer 13. The transmission rod 12 is sleeved with a plurality of driving gears 14. The plurality of driving gears 14 rotate synchronously with the transmission rod 12 as the center.

[0028] Please see Figures 1 to 3 The base frame 2 includes a connecting portion 21 and a supporting portion 22. The connecting portion 21 is located at the bottom of the supporting portion 22 and is used to accommodate part of the transmission rod 12. The supporting portion 22 is in a horizontal state, and a first rack 23 is provided on its upper surface. The first rack 23 extends from one end of the supporting portion 22 to the other end thereof. Vertical plates 24 are provided on both sides of the first rack 23. The bottom of the vertical plate 24 is fixedly connected to the supporting portion 22, and the top thereof extends vertically upward. A plurality of limiting members 25 and a plurality of rollers 26 are provided on the inner side of the vertical plate 24. One end of the limiting member 25 is fixedly connected to the inner side of the vertical plate 24, and the other end thereof extends horizontally relatively to limit the movement of the track 3. A plurality of rollers 26 extend horizontally relatively from the inner side of the vertical plate 24.

[0029] A plurality of transmission gears 27 are installed in the base frame 2 . The plurality of transmission gears 27 mesh with each other. One of the transmission gears 27 is located in the connecting portion 21 and meshes with the driving gear 14 .

[0030] Please see Figure 1 and Figure 4 The moving track 3 is recessed inward from both sides thereof to form a first slide groove 31, and the first slide groove 31 extends from one end of the moving track 3 to the other end. A plurality of limit members 25 and a plurality of rollers 26 extend into the first slide groove 31, so that the moving track 3 only moves along the plurality of limit members 25 and the plurality of rollers 26. The moving track 3 is recessed from its bottom to form an empty groove 32, and the empty groove 32 extends from one end of the moving track 3 to the other end, and is used to avoid interference with the first rack rail 23 when the moving track 3 moves. A second rack rail 33 is provided in the empty groove 32, and the second rack rail 33 extends from one end of the empty groove 32 to the other end thereof. The transmission gear 27 extends into the empty groove 32 and meshes with the second rack rail 33.

[0031] Please see Figure 6 An intermediate gear 34 is installed in the movable track 3, and the number of the intermediate gears 34 is a pair. A reduction gear 35 is installed between the pair of intermediate gears 34, and the reduction gears 35 are respectively meshed with the intermediate gears 34 for reducing the speed of the intermediate gears 34. The bottom of any intermediate gear 34 extends into the empty slot 32 and meshes with the first rack 23, and the top of the other intermediate gear 34 extends out of the upper surface of the movable track 3 and meshes with the upper fork 4.

[0032] A second sliding groove 36 is disposed above the first sliding groove 31 , and the second sliding groove 36 extends from one end of the moving track 3 to the other end.

[0033] Please see Figure 3 and Figure 6 The upper fork 4 includes a clearance groove 41 formed by being recessed inward from its lower surface, and the top of the movable track 3 extends into the clearance groove 41. A plurality of auxiliary rollers 42 are provided on the inner walls on both sides of the clearance groove 41. The plurality of auxiliary rollers 42 extend into the second slide groove 34 respectively, so that the upper fork 4 only moves along the plurality of auxiliary rollers 42.

[0034] A third rack 43 is disposed in the avoidance groove 41 . The third rack 43 extends from one end of the upper fork 4 to the other end thereof. The middle gear 33 extending out from the upper surface of the moving track 3 is meshed with the third rack 43 .

[0035] When the utility model is used for an extremely narrow movable width cross-section telescopic fork, a driving motor 11 drives a plurality of driving gears 14 to rotate synchronously with a transmission rod 12 as the center, and the driving gear 14 drives a plurality of transmission gears 27 to rotate in a meshing manner. The transmission gear 27 meshes with a second rack 33 to drive a movable track 3 to move along a plurality of limit members 25 and a plurality of rollers 26, and an intermediate gear 34 moves accordingly. The intermediate gear 34 meshes with the first rack 23 and the third rack 43 respectively, and drives the upper fork 4 to move along a plurality of auxiliary rollers 42.

[0036] The utility model is a telescopic fork with an extremely narrow movable width section, which has the characteristic of being adaptable to a smaller space. The transmission gear engages with the second rack to drive the movable track to move, thereby realizing the first stage of movement of the upper fork, and the intermediate gear moves accordingly and engages with the first rack and the third rack to realize the second stage of movement of the upper fork, and the upper fork is deployed within a shorter distance, while the volume of the upper fork is reduced, so that it is better adapted to an environment with a smaller space, thereby reducing losses to goods and improving logistics efficiency.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A telescopic fork with extremely narrow moving width cross section, characterized in that: It includes: A base frame (2) is provided with a first rack (23) and a transmission gear (27); A movable track (3) is mounted on the base frame (2), the movable track (3) comprises a second rack (33) and an intermediate gear (34), the transmission gear (27) is meshed with the second rack (33), and the transmission gear (27) can drive the movable track (3) to move; The upper fork (4) is installed on the movable track (3), and the upper fork (4) has a third rack (43). The intermediate gear (34) is respectively engaged with the first rack (23) and the third rack (43), and the intermediate gear (34) can drive the upper fork (4) to move.

2. The telescopic fork with extremely narrow moving width cross section according to claim 1, characterized in that: The movable track (3) is recessed inwardly from both sides thereof to form a first slide groove (31), and the first slide groove (31) extends from one end of the movable track (3) to the other end, and the first slide groove (31) is used for movably connecting the base frame (2).

3. The telescopic fork with extremely narrow moving width cross section according to claim 2, characterized in that: The base frame (2) is provided with a plurality of position limiting members (25) and a plurality of rollers (26) which are arranged opposite to each other, and the plurality of position limiting members (25) and the plurality of rollers (26) extend into the first sliding groove (31) respectively.

4. The telescopic fork with extremely narrow moving width cross section according to claim 1, characterized in that: The movable track (3) is recessed inwardly from both sides thereof to form a second slide groove (36), and the second slide groove (36) extends from one end of the movable track (3) to the other end, and the second slide groove (36) is used for movably connecting the upper fork (4).

5. The telescopic fork with extremely narrow moving width cross section according to claim 4, characterized in that: The upper fork (4) is provided with a plurality of auxiliary rollers (42) arranged opposite to each other, and the plurality of auxiliary rollers (42) extend into the second sliding groove (36) respectively.

6. The telescopic fork with extremely narrow moving width cross section according to claim 1, characterized in that: The movable track (3) is recessed from its bottom to form an empty slot (32), and the empty slot (32) extends from one end of the movable track (3) to the other end, and is used to avoid interference with the first rack rail (23) when the movable track (3) moves.

7. The telescopic fork with extremely narrow moving width cross section according to claim 6, characterized in that: The second toothed track (33) is located in the empty slot (32), and the transmission gear (27) extends into the empty slot (32) and meshes with the second toothed track (33).

8. The telescopic fork with extremely narrow moving width cross section according to claim 1, characterized in that: The number of the intermediate gears (34) is a pair, and a reduction gear (35) is installed between the pair of intermediate gears (34). The reduction gears (35) are respectively meshed with the intermediate gears (34) for reducing the speed of the intermediate gears (34).

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