Pallet fork frame with adjustable pallet fork distance

Abstract

The utility model provides a fork arm carrier with adjustable fork spacing, which comprises a support component, a fork component, a first adjusting component and a second adjusting component, the support component comprises a support body and a fork shaft; the pallet fork assembly comprises a first pallet fork arm and a second pallet fork arm, and the first pallet fork arm and the second pallet fork arm are arranged on the pallet fork shaft in a sliding mode. At least one part of the first adjusting assembly is connected with the support assembly, and the first adjusting assembly is in driving connection with the first pallet fork arm; at least one part of the second adjusting assembly is connected with the support assembly, and the second adjusting assembly is in driving connection with the second pallet fork arm. According to the pallet fork frame, the first pallet fork arm and the second pallet fork arm are respectively controlled through the first adjusting assembly and the second adjusting assembly, the distance between the first pallet fork arm and the second pallet fork arm can be flexibly controlled, and therefore the requirements of different working occasions are met, and the actual using effect of a forklift is improved; and goods shelves with different intervals can be stacked.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift equipment, in particular to a fork frame with adjustable fork spacing. Background Art

[0002] With the development and progress of socialized production, the professional division of labor and machinery has become more and more refined. Forklifts are widely used because they can transport materials conveniently and quickly, effectively reduce labor intensity, save labor, and improve labor productivity. They are efficient equipment for mechanized loading and unloading, stacking and short-distance transportation.

[0003] However, the fork arms of existing forklifts are usually fixed structures, and the distance between the fork arms cannot be stably adjusted, and pallets of different sizes cannot be stacked in a matching manner, and the overall use is relatively limited.

[0004] Therefore, there is a technical problem in the prior art that the distance between the fork arms cannot be adjusted, resulting in large usage limitations. Utility Model Content

[0005] The main purpose of the utility model is to provide a fork frame with adjustable fork spacing, so as to solve the technical problem in the prior art that the spacing between fork arms cannot be adjusted, resulting in large usage limitations.

[0006] In order to achieve the above object, according to one aspect of the utility model, a fork frame with adjustable fork spacing is provided, comprising:

[0007] A bracket assembly, the bracket assembly includes a bracket body and a fork shaft; a fork assembly, the fork assembly includes a first fork arm and a second fork arm, the first fork arm and the second fork arm are slidably arranged on the fork shaft; a first adjustment assembly, at least a portion of the first adjustment assembly is connected to the bracket assembly, the first adjustment assembly is drivingly connected to the first fork arm, and can drive the first fork arm to slide on the fork shaft; a second adjustment assembly, at least a portion of the second adjustment assembly is connected to the bracket assembly, the second adjustment assembly is drivingly connected to the second fork arm, and can drive the second fork arm to slide on the fork shaft.

[0008] Furthermore, the support body includes a rectangular frame and at least one connecting plate, the connecting plate is arranged parallel to a side plate of the rectangular frame, and the fork shaft is connected to the side plate and the connecting plate.

[0009] Furthermore, the first fork arm and the second fork arm are L-shaped, one end of the first fork arm and one end of the second fork arm are both provided with a sliding sleeve, and the first fork arm and the second fork arm are connected to the fork shaft through the sliding sleeve.

[0010] Further, the first adjustment assembly includes: a first driving part, at least a part of which is connected to the bracket body; a first gear set, which is drivingly connected to the driving part; a first chain, which is meshed with the first gear set and moves under the drive of the first gear set; a first splitting and combining sleeve, which is provided with a first fork groove for accommodating at least a part of the first fork arm, and at least a part of the first splitting and combining sleeve is fixedly connected to the first chain.

[0011] Furthermore, a first roller chain connecting plate is provided on the opposite side of the first splitting and combining sleeve from the fork slot, and the first roller chain connecting plate is fixedly connected to the first chain.

[0012] Furthermore, the bracket body also includes a support plate, which is located on a side of the rectangular frame away from the fork assembly and connected to the rectangular frame, and the support plate is in an L-shaped structure.

[0013] Furthermore, the first driving part includes a motor, a worm and a worm wheel, wherein the motor is fixedly connected to the support plate, the output end of the motor passes through the support plate and is connected to the worm, and can drive the worm to rotate, the worm is drivingly connected to the worm wheel, and the middle part of the worm wheel is fixedly connected to a gear in the first gear set.

[0014] Further, the second adjustment assembly includes: a second driving part, at least a part of which is connected to the bracket body; a second gear set, the second gear set is drivingly connected to the second driving part; a second chain, the second chain is meshed with the second gear set and moves under the drive of the second gear set; a second splitting and combining sleeve, the second splitting and combining sleeve is provided with a second fork groove for accommodating at least a part of the second fork arm, and at least a part of the second splitting and combining sleeve is fixedly connected to the second chain.

[0015] Furthermore, the support assembly further comprises: a safety frame, the safety frame is located above the support body and connected to the support body, a fork locking mechanism is provided on the safety frame, and the fork locking mechanism locks the fork in a non-working state.

[0016] Furthermore, there are two connecting plates, an accessory mounting plate is provided between the two connecting plates, and an accessory mounting portion is provided on the accessory mounting plate.

[0017] By using the fork frame with adjustable fork spacing provided by the utility model, the first fork arm and the second fork arm can be controlled separately through the first adjustment component and the second adjustment component, and the spacing between the first fork arm and the second fork arm can be flexibly controlled to meet the needs of different working occasions, thereby improving the actual use effect of the forklift and realizing the stacking of shelves with different spacings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 A schematic diagram of the structure of a fork frame with adjustable fork spacing according to the utility model is shown; and

[0020] Figure 2 A rear view of a fork frame with adjustable fork spacing according to the utility model is shown;

[0021] Figure 3 A side view of a fork frame with adjustable fork spacing according to the utility model is shown;

[0022] Figure 4 A front view of a fork frame with adjustable fork spacing according to the utility model is shown;

[0023] Figure 5 A structural schematic diagram of a first adjustment assembly according to the utility model is shown.

[0024] The above drawings include the following reference numerals:

[0025] 10. Bracket assembly; 11. Bracket body; 12. Fork shaft; 13. Connecting plate; 14. Attachment mounting plate; 20. Fork assembly; 21. First fork arm; 22. Second fork arm; 30. First adjustment assembly; 31. First drive unit; 311. Motor; 312. Worm; 313. Worm wheel; 32. First gear set; 33. First chain; 34. First splitting and combining sleeve; 341. First roller chain connecting plate; 40. Second adjustment assembly; 41. Second drive unit; 42. Second gear set; 43. Second chain; 44. Second splitting and combining sleeve. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0029] In order to solve the technical problem in the prior art that the distance between fork arms cannot be adjusted, resulting in large usage limitations, the utility model provides a fork frame with adjustable fork distance.

[0030] As shown in the figure, the fork frame with adjustable fork spacing of the utility model includes a bracket assembly 10, a fork assembly 20, a first adjustment assembly 30 and a second adjustment assembly 40, wherein the bracket assembly 10 includes a bracket body 11 and a fork shaft 12, and the fork shaft 12 is installed on the bracket body 11; the fork assembly 20 includes a first fork arm 21 and a second fork arm 22, and the first fork arm 21 and the second fork arm 22 are slidably arranged on the fork shaft 12 and can move relatively on the fork shaft 12; the first adjustment assembly 30 At least a portion of the second adjustment assembly 40 is connected to the bracket assembly 10, and the first adjustment assembly 30 is drivingly connected to the first fork arm 21, so as to drive the first fork arm 21 to slide on the fork shaft 12, thereby adjusting the distance between the first fork arm 22 and the second fork arm 22; at least a portion of the second adjustment assembly 40 is connected to the bracket assembly 10, and the second adjustment assembly 40 is drivingly connected to the second fork arm 22, so as to drive the second fork arm 22 to slide on the fork shaft 12, thereby adjusting the distance between the first fork arm 21 and the second fork arm 21.

[0031] By using the fork frame with adjustable fork spacing provided by the utility model, the first fork arm 21 and the second fork arm 22 can be controlled separately through the first adjustment component 30 and the second adjustment component 40, so that the spacing between the first fork arm 21 and the second fork arm 22 can be flexibly controlled, thereby meeting the needs of different working occasions, improving the actual use effect of the forklift, and being able to stack shelves with different spacings.

[0032] Furthermore, if Figure 1As shown, in this embodiment, the support body 11 includes a rectangular frame and at least one connecting plate 13, wherein the connecting plate 13 is arranged in parallel with the side plate of the rectangular frame, and the fork shaft 12 is connected to the side plate and the connecting plate 13; such a layout adopts a frame structure, which is more conducive to the stability of the support body 11 and can better provide support for other components.

[0033] Preferably, there are two connecting plates 13, and an accessory mounting plate 14 is arranged between the two connecting plates 13. An accessory mounting portion is provided on the accessory mounting plate 14, wherein the accessory mounting portion can be used to install accessories with other functions. The accessories can be any accessories, such as a breaker, an auger, a tiller, etc. These accessories can also be combined arbitrarily and can be installed on the accessory mounting portion at the same time without interference.

[0034] To facilitate the installation of the fork arm, the first fork arm 21 and the second fork arm 22 are L-shaped, and one end of the first fork arm 21 and one end of the second fork arm 22 are both provided with a sliding sleeve, and the first fork arm 21 and the second fork arm 22 are connected to the fork shaft 12 through the sliding sleeve; so that the first fork arm 21 and the second fork arm 22 can slide on the fork shaft 12; wherein the sliding sleeve and the fork arm can be fixed by welding.

[0035] In another embodiment of the utility model, the first adjustment assembly 30 includes a first driving part 31, a first gear set 32, a first chain 33 and a first separation and combination sleeve 34, wherein at least a portion of the first driving part 31 is connected to the bracket body 11, so that the bracket body 11 provides support for the first driving part 31; the first gear set 32 ​​is drivingly connected to the first driving part 31, so that the first driving part 31 drives the first gear set 32 ​​to rotate, the first chain 33 is meshed with the first gear set 32, and moves under the drive of the first gear set 32; the first separation and combination sleeve 34 is provided with a first fork groove for accommodating at least a portion of the first fork arm 21, and at least a portion of the first separation and combination sleeve 34 is fixedly connected to the first chain 33, so that the first separation and combination sleeve 34 is driven to move by the first chain 33, and then the first fork arm 21 is driven to move along the fork shaft 12.

[0036] Specifically, a first roller chain connecting plate 341 is provided on the side of the first splitting and combining sleeve 34 away from the fork groove, and the first roller chain connecting plate 341 is fixedly connected to the first chain 33. Preferably, the first roller chain connecting plate 341 is fixedly connected to the first splitting and combining sleeve 34 by means of screw connection or the like. Such a mechanical arrangement has a simpler structure and is conducive to the installation and debugging of the first adjustment assembly 30.

[0037] In order to provide better support for the driving part, the support body 11 further includes a support plate, which is located on a side of the rectangular frame away from the fork assembly 20 and connected to the rectangular frame, and the support plate is an L-shaped structure. Preferably, a first mounting hole and a second mounting hole are provided on the support plate, wherein the first mounting hole and the second mounting hole are located on different parts of the L-shaped structure, so as to facilitate the later installation and debugging of the component.

[0038] Specifically, the first driving part 31 includes a motor 311, a worm 312 and a worm wheel 313, wherein the motor 311 is fixedly connected to the support plate through a first mounting hole, the output end of the motor 311 is connected to the worm 312 through the first mounting hole, and can drive the worm 312 to rotate, the worm 312 is drivingly connected to the worm wheel 313, the worm wheel 313 is fixedly connected to the support plate through the second mounting hole, and the middle part of the worm wheel 313 is fixedly connected to a gear in the first gear set 32, so that when the worm wheel 313 rotates, it can drive the gear to rotate synchronously. Preferably, the motor 311 is a hydraulic motor, and the hydraulic motor is flow-connected to the hydraulic workstation of the forklift, so that the forward rotation and reverse rotation of the hydraulic motor are achieved by controlling the hydraulic oil circuit of the hydraulic motor.

[0039] Furthermore, the support assembly 10 further includes: a safety frame, which is located above the support body 11 and connected to the support body 11, and a fork locking mechanism is provided on the safety frame, and the fork locking mechanism locks the fork in a non-working state.

[0040] In order to prevent the fork assembly 20 from affecting the safety of workers when it is not in operation, the support assembly 10 further includes a safety frame, which is located above the support body 11 and connected to the support body 11. A fork locking mechanism is provided on the safety frame, which locks the fork in a non-operating state.

[0041] Specifically, Figure 1As shown, the fork locking mechanism is located on both sides of the safety frame, and the fork locking mechanism includes a fork flip support and a locking pin, wherein a limit hole is provided on the fork flip support, and the locking pin is detachably mounted on the fork flip support through the limit hole. During use, the fork flip support supports the fork arm, and when the fork arm flips into the fork flip support, the staff inserts the locking pin into the limit hole, so that the fork arm can be locked, thereby preventing the fork arm from falling out of the fork flip support in a non-working state, thereby improving the safety of the forklift during use.

[0042] Correspondingly, the second adjustment component 40 includes a second driving part 41, a second gear set 42, a second chain 43 and a second separation and combination sleeve 44, wherein at least a portion of the second driving part 41 is connected to the bracket body 11, so that the second driving part 41 is supported by the bracket body 11; the second gear set 42 is drivingly connected to the second driving part 41, so that the second driving part 41 drives the second gear set 42 to rotate, and the second chain 43 is engaged with the second gear set 42 and moves under the drive of the second gear set 42; the second separation and combination sleeve 44 is provided with a second fork groove for accommodating at least a portion of the second fork arm 22, and at least a portion of the second separation and combination sleeve 44 is fixedly connected to the second chain 43, so that the second separation and combination sleeve 44 is driven to move by the second chain 43, and then the second fork arm 22 is driven to move along the fork shaft 12; the configuration of the second adjustment component 40 is the same as that of the first adjustment component 30, which will not be repeated here.

[0043] By using the fork frame with adjustable fork spacing provided by the utility model, the first fork arm 21 and the second fork arm 22 can be controlled separately through the first adjustment component 30 and the second adjustment component 40, so that the spacing between the first fork arm 21 and the second fork arm 22 can be flexibly controlled, thereby meeting the needs of different working occasions, improving the actual use effect of the forklift, and being able to stack shelves with different spacings.

[0044] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0045] 1. It effectively solves the technical problem of the large usage limitation caused by the inability to adjust the distance between the fork arms in the prior art;

[0046] 2. Easy installation and simple operation. It can realize separate control of the first fork arm and the second fork arm to meet the needs of different working occasions.

[0047] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0050] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fork frame with adjustable fork spacing, characterized in that: include: A support assembly (10), the support assembly (10) comprising a support body (11) and a fork shaft (12); A fork assembly (20), the fork assembly (20) comprising a first fork arm (21) and a second fork arm (22), the first fork arm (21) and the second fork arm (22) being slidably disposed on the fork shaft (12); a first adjustment assembly (30), at least a portion of which is connected to the support assembly (10), the first adjustment assembly (30) being drivingly connected to the first fork arm (21) and capable of driving the first fork arm (21) to slide on the fork shaft (12); A second adjustment assembly (40), at least a portion of which is connected to the support assembly (10), and the second adjustment assembly (40) is drivingly connected to the second fork arm (22) and can drive the second fork arm (22) to slide on the fork shaft (12).

2. The fork frame with adjustable fork spacing according to claim 1, characterized in that: The support body (11) comprises a rectangular frame and at least one connecting plate (13), wherein the connecting plate (13) is arranged parallel to a side plate of the rectangular frame, and the fork shaft (12) is connected to the side plate and the connecting plate (13).

3. The fork frame with adjustable fork spacing according to claim 2, characterized in that: The first fork arm (21) and the second fork arm (22) are L-shaped, one end of the first fork arm (21) and one end of the second fork arm (22) are both provided with a sliding sleeve, and the first fork arm (21) and the second fork arm (22) are connected to the fork shaft (12) via the sliding sleeve.

4. The fork frame with adjustable fork spacing according to claim 3, characterized in that: The first adjustment component (30) comprises: a first driving part (31), at least a portion of which is connected to the support body (11); A first gear set (32), the first gear set (32) being drivingly connected to the driving part; A first chain (33), the first chain (33) is meshed with the first gear set (32) and moves under the drive of the first gear set (32); A first splitting and combining sleeve (34), wherein the first splitting and combining sleeve (34) is provided with a first fork groove for accommodating at least a portion of the first fork arm (21), and at least a portion of the first splitting and combining sleeve (34) is fixedly connected to the first chain (33).

5. The fork frame with adjustable fork spacing according to claim 4, characterized in that: A first roller chain connecting plate (341) is provided on a side of the first splitting and combining sleeve (34) away from the first fork groove, and the first roller chain connecting plate (341) is fixedly connected to the first chain (33).

6. The fork frame with adjustable fork spacing according to claim 4, characterized in that: The support body (11) further comprises a support plate, which is located on a side of the rectangular frame away from the fork assembly (20) and is connected to the rectangular frame, and the support plate is in an L-shaped structure.

7. The fork frame with adjustable fork spacing according to claim 6, characterized in that: The first driving part (31) comprises a motor (311), a worm (312) and a worm wheel (313), wherein the motor (311) is fixedly connected to the support plate, the output end of the motor (311) passes through the support plate and is connected to the worm (312), and can drive the worm (312) to rotate, the worm (312) is drivingly connected to the worm wheel (313), and the middle part of the worm wheel (313) is fixedly connected to a gear in the first gear set (32).

8. The fork frame with adjustable fork spacing according to claim 3, characterized in that: The second adjustment component (40) comprises: a second driving part (41), at least a portion of the second driving part (41) being connected to the support body (11); A second gear set (42), the second gear set (42) being drivingly connected to the second driving part (41); A second chain (43), the second chain (43) is meshed with the second gear set (42) and moves under the drive of the second gear set (42); A second splitting and combining sleeve (44), wherein the second splitting and combining sleeve (44) is provided with a second fork groove for accommodating at least a portion of the second fork arm (22), and at least a portion of the second splitting and combining sleeve (44) is fixedly connected to the second chain (43).

9. The fork frame with adjustable fork spacing according to claim 1, characterized in that: The support assembly (10) further comprises: A safety frame is located above the support body (11) and is connected to the support body (11). A fork locking mechanism is provided on the safety frame, and the fork locking mechanism locks the fork in a non-working state.

10. The fork frame with adjustable fork spacing according to claim 2, characterized in that: There are two connecting plates (13), an accessory installation plate is provided between the two connecting plates (13), and an accessory installation portion is provided on the accessory installation plate.

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