Pallet fork frame with adjustable pallet fork distance and forklift
By designing a fork rack with adjustable cargo fork arm spacing, the lead screw system is used to achieve flexible adjustment of cargo fork arm spacing, which solves the problem of the use limitations caused by the inability to adjust the cargo fork arm spacing in the existing technology, and improves the forklift Flexibility and efficiency in use.
Patent Information
- Application Number
- CN202323665585.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The distance between cargo fork arm of existing forklifts cannot be adjusted, resulting in high limitations in use and cannot match cargo boards of different sizes for placing.
A fork rack with adjustable fork spacing is designed, and the flexible adjustment of the fork arm spacing is achieved through a bracket assembly, a fork assembly, a first pitch adjustment assembly and a second pitch adjustment assembly. The fork holder includes a support body, a fork shaft, a first fork arm and a second fork arm, and is positionally adjusted by sliding on the fork arm through the first lead screw and the second lead screw respectively.
It realizes flexible control of the spacing of cargo fork arm, meets the needs of different workplaces, improves the actual use effect of forklifts, and can realize the placement of shelves at different spacings.
Smart Images
Figure CN222476093U_ABST
Abstract
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 and a forklift. 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 and a forklift 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-mentioned purpose, according to one aspect of the utility model, a fork frame with adjustable fork spacing is provided, including: 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 spacing adjustment assembly, at least a part of the first spacing adjustment assembly is connected to the bracket assembly, the first spacing adjustment assembly includes a first lead screw, the first fork arm is connected to the first lead screw, and can be moved along the fork shaft under the drive of the first lead screw; a second spacing adjustment assembly, at least a part of the second spacing adjustment assembly is connected to the bracket assembly, the second spacing adjustment assembly includes a second lead screw, the second fork arm is connected to the second lead screw, and can be moved along the fork shaft under the drive of the second lead screw.
[0007] Furthermore, the support body includes two side plates and at least one middle plate, and the fork shaft is fixedly connected to the side plates and the middle plate.
[0008] 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.
[0009] Furthermore, the fork assembly also includes: a paddle, to which both ends of the sliding sleeve are respectively fixedly connected, the paddle having a first mounting hole and a second mounting hole, wherein the first mounting hole is sleeved with the fork shaft, and the second mounting hole is sleeved with the lead screw; a lead screw nut, the lead screw nut is threadedly connected with the lead screw, and the lead screw nut is located between two paddles respectively fixed to both ends of the sliding sleeve.
[0010] Furthermore, one end of the first lead screw is connected to the side plate through a first bearing, and the other end of the first lead screw is connected to the middle plate through a second bearing. The first spacing adjustment assembly also includes: a transmission motor, which is connected to the bracket body and is located above the side plate; a driving gear, which is arranged on the output shaft of the transmission motor and rotates under the drive of the transmission motor; and a driven gear, which is meshed with the driving gear and is fixed on the first lead screw, thereby being able to drive the first lead screw to rotate.
[0011] Furthermore, one end of the second lead screw is connected to the side plate through a third bearing, and the other end of the second lead screw is connected to the middle plate through a fourth bearing. The second spacing adjustment assembly also includes: a transmission motor, which is connected to the bracket body and is located above the side plate; a driving gear, which is arranged on the output shaft of the transmission motor and rotates under the drive of the transmission motor; and a driven gear, which is meshed with the driving gear and is fixed on the second lead screw, thereby being able to drive the second lead screw to rotate.
[0012] Furthermore, the first bearing is a self-aligning ball bearing.
[0013] Furthermore, the support assembly also includes a safety frame, which 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.
[0014] 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.
[0015] According to another aspect of the utility model, a forklift is provided, comprising any one of the fork frames with adjustable fork spacing as described above.
[0016] The fork frame with adjustable fork spacing provided by the utility model can realize separate control of the first fork arm and the second fork arm through the first spacing adjustment component and the second spacing adjustment component, and can flexibly control the spacing between the first fork arm and the second fork arm to meet the needs of different working occasions. The fork frame provided by the utility model improves the actual use effect of the forklift and can realize stacking of shelves with different spacings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] 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:
[0018] Figure 1 A schematic structural diagram of a fork frame with adjustable fork spacing according to the utility model is shown;
[0019] Figure 2 A front view of a fork frame with adjustable fork spacing according to the utility model is shown;
[0020] Figure 3 A side view of a fork frame with adjustable fork spacing according to the utility model is shown;
[0021] Figure 4 A top view of a fork frame with adjustable fork spacing according to the utility model is shown;
[0022] Figure 5 A partial enlarged view of a fork frame with adjustable fork spacing according to the utility model is shown.
[0023] The above drawings include the following reference numerals:
[0024] 10. Bracket assembly; 11. Bracket body; 111. Side plate; 112. Connecting plate; 113. Attachment mounting plate; 12. Fork shaft; 13. Safety frame; 131. Fork locking mechanism; 20. Fork assembly; 21. First fork arm; 22. Second fork arm; 23. Paddle; 24. Screw nut; 30. First spacing adjustment assembly; 31. Transmission motor; 32. Driving gear; 33. Driven gear; 40. Second spacing adjustment assembly. DETAILED DESCRIPTION
[0025] 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.
[0026] 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.
[0027] 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.
[0028] 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 and a forklift with adjustable fork distance.
[0029] like Figures 1 to 5 As shown, the fork frame with adjustable fork spacing provided by the utility model comprises a bracket assembly 10, a fork assembly 20, a first spacing adjustment assembly 30 and a second spacing adjustment assembly 40, wherein the bracket assembly 10 comprises a bracket body 11 and a fork shaft 12, the fork shaft 12 is fixedly mounted on the bracket body 11, the fork assembly 20 comprises a first fork arm 21 and a second fork arm 22, the first fork arm 21 and the second fork arm 22 are slidably arranged on the fork shaft 12, at least a part of the first spacing adjustment assembly 30 is connected to the bracket assembly 10, so that the first spacing adjustment assembly 30 is supported by the bracket assembly 10. The first spacing adjustment assembly 30 comprises a first lead screw, the first fork arm 21 is connected to the first lead screw, and can move along the fork shaft 12 driven by the first lead screw, so that the position of the first fork arm 21 on the fork shaft 12 can be adjusted by the first lead screw. At least a portion of the second spacing adjustment assembly 40 is connected to the bracket assembly 10, so that the second spacing adjustment assembly 40 is supported by the bracket assembly 10, and the second spacing adjustment assembly 40 includes a second lead screw, and the second fork arm 22 is connected to the second lead screw and can move along the fork shaft 12 driven by the second lead screw, so that the position of the first fork arm 21 on the fork shaft 12 can be adjusted by the first lead screw.
[0030] 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 spacing adjustment component 30 and the second spacing adjustment component 40, so that the spacing between the first fork arm 21 and the second fork arm 22 can be flexibly controlled to meet the needs of different working occasions. The fork frame provided by the utility model improves the actual use effect of the forklift and can realize the stacking of shelves with different spacings.
[0031] Furthermore, the bracket body 11 includes two side plates 111 and at least one connecting plate 112, and the fork shaft 12 is fixedly connected to the side plates 111 and the middle plate; a cross plate is also arranged between the two side plates 111, and preferably, the number of the cross plates can be, for example, two, so as to form a frame structure; the frame structure is more conducive to the stability of the installation of the bracket body 11.
[0032] Specifically, the connecting plates 112 can be set to two, for example, and an accessory mounting plate 113 is provided between the two connecting plates 112, and an accessory mounting portion is provided on the accessory mounting plate 113; the accessory mounting portion can be installed with accessories with other functions, and 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.
[0033] 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.
[0034] In another embodiment of the utility model, the fork assembly 20 also includes a paddle 23 and a lead screw nut 24, and the two ends of the sliding sleeve are respectively fixedly connected to the paddle 23, and the paddle 23 has a first mounting hole and a second mounting hole, wherein the first mounting hole is sleeved with the fork shaft 12, and the second mounting hole is sleeved with the lead screw; the lead screw nut 24 is threadedly connected to the lead screw, and the lead screw nut 24 is located between the two paddles 23 respectively fixed to the two ends of the connecting sleeve; preferably, the two ends of the lead screw nut 24 are respectively abutted against the paddle 23; so that when the lead screw nut 24 moves on the lead screw, the lead screw nut 24 drives the fork arm to move on the fork shaft 12 through the paddle 23.
[0035] Furthermore, one end of the first lead screw is connected to the side plate 111 through a first bearing, and the other end of the first lead screw is connected to the middle plate through a second bearing. The first spacing adjustment assembly 30 also includes a transmission motor 31, a driving gear 32 and a driven gear 33, wherein the transmission motor 31 is connected to the bracket body 11 and is located above the side plate 111; the driving gear 32 is arranged on the output shaft of the transmission motor 31, and the driving gear 32 rotates under the drive of the transmission motor 31, and the driven gear 33 is meshed with the driving gear 32, and the driven gear 33 is fixed on the first lead screw, so that the driven gear 33 can be driven to rotate through the driving gear 32, and then the first lead screw can be driven to rotate.
[0036] Correspondingly, one end of the second lead screw is connected to the side plate 111 through a third bearing, and the other end of the second lead screw is connected to the middle plate through a fourth bearing. The second spacing adjustment assembly 40 also includes: a transmission motor 31, a driving gear 32 and a driven gear 33. The transmission motor 31 is connected to the bracket body 11 and is located above the side plate 111; the driving gear 32 is arranged on the output shaft of the transmission motor 31, and the driving gear 32 rotates under the drive of the transmission motor 31; the driven gear 33 is meshed with the driving gear 32, and the driven gear 33 is fixed on the second lead screw, so that the driven gear 33 can be driven to rotate through the driving gear 32, and then the second lead screw can be driven to rotate.
[0037] Preferably, the first bearing and the third bearing may be self-aligning ball bearings, so as to facilitate the installation of the first lead screw and the second lead screw.
[0038] In order to prevent the fork assembly 20 from affecting the safety of the staff when it is not in operation, the support assembly 10 further includes a safety frame 13, which is located above the support body 11 and connected to the support body 11. The safety frame 13 is provided with a fork locking mechanism 131, which locks the fork in a non-working state.
[0039] Specifically, Figure 1As shown, the fork locking mechanism 131 is located on both sides of the safety frame 13, and the fork locking mechanism 131 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.
[0040] Another aspect of the present invention provides a forklift, comprising a fork frame with adjustable fork spacing as described in any one of the items.
[0041] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:
[0042] 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;
[0043] 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.
[0044] 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.
[0045] 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.
[0046] 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.
[0047] 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 spacing adjustment assembly (30), at least a portion of which is connected to the support assembly (10), the first spacing adjustment assembly (30) comprising a first lead screw, the first fork arm (21) being connected to the first lead screw and being capable of moving along the fork shaft (12) driven by the first lead screw; A second spacing adjustment assembly (40), at least a portion of which is connected to the support assembly (10), the second spacing adjustment assembly (40) comprising a second lead screw, the second fork arm (22) being connected to the second lead screw and being capable of moving along the fork shaft (12) driven by the second lead screw.
2. The fork frame with adjustable fork spacing according to claim 1, characterized in that: The support body (11) comprises two side plates (111) and at least one connecting plate (112), and the fork shaft (12) is fixedly connected to the side plates (111) and the connecting plate (112).
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 fork assembly (20) further comprises: a paddle (23), wherein both ends of the sliding sleeve are respectively fixedly connected to the paddle (23), the paddle (23) having a first mounting hole and a second mounting hole, wherein the first mounting hole is sleeved with the fork shaft (12), and the second mounting hole is sleeved with the lead screw; A lead screw nut (24) is threadedly connected to the lead screw, and the lead screw nut (24) is located between two paddles (23) respectively fixed to two ends of the sliding sleeve.
5. The fork frame with adjustable fork spacing according to claim 2, characterized in that: One end of the first lead screw is connected to the side plate (111) via a first bearing, and the other end of the first lead screw is connected to the middle plate via a second bearing. The first spacing adjustment assembly (30) further comprises: a transmission motor (31), the transmission motor (31) being connected to the support body (11) and being located above the side plate (111); A driving gear (32), the driving gear (32) being arranged on an output shaft of the transmission motor (31) and being driven by the transmission motor (31) to rotate; A driven gear (33), the driven gear (33) meshing with the driving gear (32), the driven gear (33) being fixed on the first lead screw so as to drive the first lead screw to rotate.
6. The fork frame with adjustable fork spacing according to claim 2, characterized in that: One end of the second lead screw is connected to the side plate (111) via a third bearing, and the other end of the second lead screw is connected to the middle plate via a fourth bearing. The second spacing adjustment assembly (40) further comprises: a transmission motor (31), the transmission motor (31) being connected to the support body (11) and being located above the side plate (111); A driving gear (32), the driving gear (32) being arranged on an output shaft of the transmission motor (31) and being driven by the transmission motor (31) to rotate; A driven gear (33), the driven gear (33) meshing with the driving gear (32), the driven gear (33) being fixed on the second lead screw so as to drive the second lead screw to rotate.
7. The fork frame with adjustable fork spacing according to claim 5, characterized in that: The first bearing is a self-aligning ball bearing.
8. The fork frame with adjustable fork spacing according to claim 1, characterized in that: The support assembly (10) further comprises: A safety frame (13), the safety frame (13) being located above the support body (11) and connected to the support body (11), the safety frame (13) being provided with a fork locking mechanism (131), the fork locking mechanism (131) locking the fork in a non-working state.
9. The fork frame with adjustable fork spacing according to claim 2, characterized in that: There are two connecting plates (112), an accessory installation plate (113) is provided between the two connecting plates (112), and an accessory installation portion is provided on the accessory installation plate (113).
10. A forklift, characterized in that: A fork frame with adjustable fork spacing comprising any one of claims 1 to 9.