Fork carriage, gantry system and fork lift truck

Abstract

The application discloses a fork frame, a portal system and a forklift, relates to the technical field of forklifts, and aims to solve the problem of how to improve the convenience of adjusting the position of forks. The fork frame comprises a first frame body, forks and a positioning structure. The first frame body comprises a polished rod, the forks are sleeved with the polished rod, and the position of the forks is adjustable along the length direction of the polished rod. The positioning structure is used for fixing the position of the forks relative to the polished rod when the forks are adjusted to a target position along the polished rod.

Description

Technical Field

[0001] This application relates to the field of forklift technology, and more particularly to a fork carriage, mast system and forklift. Background Technology

[0002] Forks are the components of a forklift used to lift goods. For goods of different sizes, the position of the forks on the fork carriage needs to be adjusted to adjust the distance between the two forks on the fork carriage to accommodate the size of the goods.

[0003] In the prior art, the forks are hooked to the crossbeam on the fork carriage via a hook structure. When adjusting the distance between the two forks, it is necessary to push the forks to move on the crossbeam.

[0004] However, to facilitate fixing the position of the forks relative to the crossbeam along its length, the crossbeam has spaced recesses along its length. Because the forks are quite heavy, this makes manually adjusting their position on the fork carriage more difficult. Utility Model Content

[0005] The purpose of this application is to provide a fork carriage, mast system, and forklift that aims to solve the problem of how to improve the convenience of adjusting the position of the forks.

[0006] In a first aspect, a fork carriage is provided, comprising a first frame, forks, and a positioning structure. The first frame includes a guide rod, to which the forks are sleeved and whose position is adjustable along the length of the guide rod. The positioning structure is used to fix the position of the forks relative to the guide rod when the forks are adjusted to a target position along the guide rod.

[0007] In the above solution, the forks are sleeved with the smooth rod of the first frame. Since the outer circumference of the smooth rod is smooth, adjusting the position of the forks relative to the smooth rod facilitates moving the forks along the length of the smooth rod. When the forks reach the target position, a positioning structure fixes their position relative to the smooth rod. The structure is simple and effectively improves the convenience of fork position adjustment.

[0008] Optionally, the first frame includes a first crossbeam, and the positioning structure includes a positioning element; the first crossbeam is fixedly disposed relative to the guide rod, and the positioning element is connected between the first crossbeam and the fork; the positioning element is used to fix the position of the fork and the first crossbeam when the fork is adjusted to the target position along the guide rod, so as to fix the position of the fork relative to the guide rod.

[0009] Optionally, the positioning structure further includes a plurality of first connecting parts and at least one second connecting part, wherein the plurality of first connecting parts are arranged along the length direction of the optical rod.

[0010] The plurality of first connecting portions are disposed on the forks, and the at least one second connecting portion is disposed on the first crossbeam; or the plurality of first connecting portions are disposed on the first crossbeam, and the at least one second connecting portion is disposed on the forks. When the forks are adjusted to the target position along the guide bar, the positioning member can be connected between at least one of the plurality of first connecting portions and the at least one second connecting portion to fix the position of the forks and the first crossbeam.

[0011] Optionally, both the first connecting portion and the second connecting portion are through holes, and the positioning element is a positioning pin.

[0012] Optionally, the cross-sectional shape of the optical rod is circular.

[0013] Optionally, the forks include a horizontal extension and a vertical extension connected to one end of the horizontal extension, the end of the vertical extension away from the horizontal extension being connected to the guide rod.

[0014] The first frame also includes a stop member, which is located on the side of the vertical extension opposite to the horizontal extension, and the stop member is fixed in position relative to the light rod.

[0015] Optionally, the fork carriage further includes a second frame, to which the first frame is rotatably connected.

[0016] Optionally, the first frame includes a lug with a first connecting hole. The second frame includes a pivot shaft rotatably connected to the first connecting hole of the lug.

[0017] Optionally, the fork carriage further includes a drive unit connected to the second frame for driving the first frame to rotate relative to the second frame.

[0018] Optionally, the number of driving components is multiple, including a first driving component and a second driving component spaced apart along the length direction of the light rod, wherein the first driving component and the second driving component are both connected between the first frame and the second frame.

[0019] Optionally, the driving component is a hydraulic cylinder, which is spaced apart from the first frame relative to the second frame via a rotation axis. The cylinder body of the hydraulic cylinder is connected to the second frame, and the piston rod of the hydraulic cylinder is connected to the first frame; or, the cylinder body of the hydraulic cylinder is connected to the first frame, and the piston rod of the hydraulic cylinder is connected to the second frame.

[0020] Optionally, the surface of the first frame facing the second frame and / or the surface of the second frame facing the first frame are provided with cushioning pads.

[0021] Secondly, a mast system is provided, including a fork carriage.

[0022] Thirdly, a forklift is provided, including a fork carriage or a mast system.

[0023] It should be noted that the technical effects brought about by the implementation methods of the second and third aspects of this application can be referred to the technical effects brought about by the corresponding implementation methods of the first aspect, and will not be repeated here. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of a forklift provided in an embodiment of this application;

[0026] Figure 2 for Figure 1 The diagram shows the structure of the first frame in the fork carriage.

[0027] Figure 3 for Figure 1 The diagram shows the structure of the second frame in the forklift carriage.

[0028] Figure label:

[0029] 1. First frame; 11. Straight rod; 12. First crossbeam; 13. Stop; 14. Lug; 141. First connecting hole; 15. Buffer pad; 16. First side plate; 17. Second side plate;

[0030] 2. Forks; 21. Horizontal extension; 22. Vertical extension;

[0031] 3. Positioning structure; 31. Positioning pin;

[0032] 4. Second frame; 41. Rotating shaft; 42. Third side panel; 43. Fourth side panel;

[0033] 51. First driving component; 52. Second driving component. Detailed Implementation

[0034] In the embodiments of this application, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," "third," "fourth," "fifth," and "sixth" may explicitly or implicitly include one or more of that feature.

[0035] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0036] "A and / or B" includes the following three combinations: A only, B only, and a combination of A and B.

[0037] In the embodiments of this application, "parallel," "perpendicular," and "equal" include the described situation and situations similar to the described situation, the range of which is within an acceptable deviation range, said acceptable deviation range being determined by those skilled in the art taking into account the measurement under discussion and the error associated with the measurement of a particular quantity (i.e., the limitations of the measurement system). For example, "parallel" includes absolute parallelism and approximate parallelism, wherein the acceptable deviation range for approximate parallelism may be, for example, a deviation within 5°; "perpendicular" includes absolute perpendicularity and approximate perpendicularity, wherein the acceptable deviation range for approximate perpendicularity may also be, for example, a deviation within 5°. "Equal" includes absolute equality and approximate equality, wherein the acceptable deviation range for approximate equality may be, for example, a difference between the two equals being less than or equal to 5% of either one.

[0038] This application provides a forklift, which can be a fuel-powered forklift, an electric forklift, a hybrid electric forklift, etc.

[0039] In some embodiments, the forklift includes a body and a mast system, the mast system being mounted on one side of the body. The mast system includes forks 2, which are used for handling goods. The mast system is primarily used to raise or lower the forks 2, thereby adjusting the height of the forks 2 to facilitate the handling and storage of goods.

[0040] In some embodiments, the mast system includes a fork carriage and a lifting system. The fork carriage has forks 2 on its side facing away from the vehicle body. The fork carriage is connected to the lifting system, which raises and lowers the fork carriage, thereby raising or lowering the forks 2.

[0041] In some implementations, see Figure 1 , Figure 1 This is a schematic diagram of a fork carriage provided in an embodiment of this application. The fork carriage includes a first frame 1, forks 2, and a positioning structure 3. The first frame 1 includes a guide rod 11, and the forks 2 are sleeved on the guide rod 11 and are adjustable in position along the length of the guide rod 11. The positioning structure 3 is used to fix the position of the forks 2 relative to the guide rod 11 when the forks 2 are adjusted to the target position along the guide rod 11.

[0042] In the above scheme, the fork 2 is sleeved with the smooth rod 11 of the first frame 1. Since the outer circumferential surface of the smooth rod 11 is smooth, it is easy to push the fork 2 along the length direction of the smooth rod 11 when adjusting the position of the fork 2 relative to the smooth rod 11. When the fork 2 moves to the target position, the position of the fork 2 relative to the smooth rod 11 is fixed by the positioning structure 3. The structure is simple and effectively improves the convenience of adjusting the position of the fork 2.

[0043] In some examples, a sleeve with the same cross-sectional shape as the polished rod 11 can be provided at the end of the fork 2, and the fork 2 is sleeved with the polished rod 11 through the sleeve.

[0044] In other examples, connection holes can be directly provided on the fork 2, through which the fork 2 is connected to the polished rod 11.

[0045] In some examples, the first frame 1 can be a frame structure manufactured by welding.

[0046] In other examples, the first frame 1 can be a frame structure connected by fasteners such as bolts.

[0047] In some examples, the bare rod 11 can be connected to the frame structure of the first frame 1 by welding.

[0048] In other examples, the frame structure of the first frame 1 includes a first side plate 16 and a second side plate 17. The first side plate 16 and the second side plate 17 are coaxially provided with connecting holes. The light rod 11 passes through the connecting holes and is fixed to the frame structure by components such as pins.

[0049] It should be noted that two forks 2 are typically spaced apart on the fork carriage. "Target position" refers to the distance between the two forks 2 on the fork carriage, which needs to be adjusted according to the size of the chassis of the goods being transported. When the distance between the two forks 2 matches the size of the chassis, the position of the forks 2 on the smooth rod 11 is the target position.

[0050] It should be understood that the smooth rod 11 refers to a smooth surface on its outer periphery along its length, without any radially recessed or protruding structures.

[0051] In some implementations, see Figure 1 and Figure 2 The first frame 1 includes a first crossbeam 12, and the positioning structure 3 includes a positioning element. The first crossbeam 12 is fixedly disposed relative to the guide rod 11, and the positioning element is connected between the first crossbeam 12 and the fork 2. The positioning element is used to fix the position of the fork 2 and the first crossbeam 12 when the fork 2 is adjusted to the target position along the guide rod 11, so as to fix the position of the fork 2 relative to the guide rod 11.

[0052] In the above scheme, since the first crossbeam 12 is fixed relative to the smooth rod 11, when the positioning component fixes the position of the fork 2 relative to the first crossbeam 12, the position of the fork 2 relative to the smooth rod 11 is fixed, which can effectively prevent the fork 2 from moving along the length direction of the smooth rod 11, ensure the distance between the two forks 2, and improve the stability of the fork 2 during operation.

[0053] In some examples, the length direction of the first crossbeam 12 is parallel to the length direction of the smooth rod 11.

[0054] In some examples, the first crossbeam 12 can be a plate-like structure.

[0055] In other examples, the first crossbeam 12 can be a rod-like structure.

[0056] In some other embodiments, a positioning element may be connected between the guide rod 11 and the fork 2 to fix the position of the fork 2 relative to the guide rod 11.

[0057] In some implementations, see Figure 1 and Figure 2 The positioning structure 3 further includes multiple first connecting parts and at least one second connecting part, with the multiple first connecting parts arranged along the length direction of the guide rod 11. The multiple first connecting parts are located on the fork 2, and at least one second connecting part is located on the first crossbeam 12; or the multiple first connecting parts are located on the first crossbeam 12, and at least one second connecting part is located on the fork 2. When the fork 2 is adjusted to the target position along the guide rod 11, the positioning element can be connected between at least one of the multiple first connecting parts and at least one second connecting part to fix the position of the fork 2 and the first crossbeam 12.

[0058] In the above scheme, the positioning structure 3 includes multiple first connecting parts and at least one second connecting part, with the multiple first connecting parts arranged along the length direction of the guide rod 11. In this way, when the fork 2 is located at different target positions, the positioning element can connect to a first connecting part corresponding to the target position, and simultaneously connect to the second connecting part. This positions the fork 2 relative to the first crossbeam 12, thereby positioning the fork 2 relative to the guide rod 11. Therefore, the structure of multiple first connecting parts and at least one second connecting part in the positioning structure 3 improves the convenience of the positioning operation between the fork 2 and the first crossbeam 12.

[0059] In some examples, there are multiple first connecting parts and multiple second connecting parts, with the multiple second connecting parts arranged along the length direction of the light rod 11.

[0060] In other examples, there are multiple first connecting parts and one second connecting part.

[0061] In some examples, a first connecting part is provided on the first crossbeam 12, and there are multiple first connecting parts; a second connecting part is provided on the fork 2, and there is one second connecting part. When the fork 2 is adjusted to the target position, a positioning member can be connected to one of the first connecting parts and one of the second connecting parts to fix the position of the fork 2 relative to the first crossbeam 12.

[0062] In other examples, a first connecting part is provided on the first crossbeam 12, and there are multiple first connecting parts; a second connecting part is provided on the fork 2, and there are multiple second connecting parts. When the fork 2 is adjusted to the target position, a positioning member can be connected to one first connecting part and one second connecting part to fix the position of the fork 2 relative to the first crossbeam 12.

[0063] In some examples, a first connecting part is provided on the fork 2, and there are multiple first connecting parts; a second connecting part is provided on the first crossbeam 12, and there is only one second connecting part. When the fork 2 is adjusted to the target position, a positioning member can be connected to one of the first connecting parts and one of the second connecting parts to fix the position of the fork 2 relative to the first crossbeam 12.

[0064] In other examples, a first connecting part is provided on the fork 2, and there are multiple first connecting parts; a second connecting part is provided on the first crossbeam 12, and there are multiple second connecting parts. When the fork 2 is adjusted to the target position, a positioning member can be connected to one of the first connecting parts and one of the second connecting parts to fix the position of the fork 2 relative to the first crossbeam 12.

[0065] In some implementations, see Figure 1 and Figure 2Both the first and second connecting parts are through holes, and the positioning element is a positioning pin 31. When the fork 2 is adjusted to the target position, the positioning pin 31 can be simultaneously inserted into the first and second connecting parts to fix the position of the fork 2 relative to the optical axis. The structure is simple and easy to operate.

[0066] In some other embodiments, the first positioning part and the second positioning part can be threaded holes, and the positioning element can be a bolt.

[0067] In some implementations, see Figure 1 and Figure 2 The cross-sectional shape of the smooth rod 11 is circular. Compared with a cross-sectional shape that includes angular structures, the angular structures are prone to jamming with the forks 2 when they move along the length of the smooth rod 11. The circular cross-sectional shape can improve the smoothness of the movement of the forks 2.

[0068] In some examples, the bare rod 11 can be either a round steel bar or a round tube.

[0069] In some other embodiments, the optical rod 11 may have a cross-sectional shape that is square, hexagonal, or the like.

[0070] In some implementations, see Figure 1 ,and Figure 2 The fork 2 includes a horizontal extension 21 and a vertical extension 22 connected to one end of the horizontal extension 21. The end of the vertical extension 22 away from the horizontal extension 21 is connected to the guide rod 11. The first frame 1 also includes a stop 13, which is located on the side of the vertical extension 22 opposite to the horizontal extension 21, and the stop 13 is fixed in position relative to the guide rod 11.

[0071] In the above solution, the stop member 13 is fixed in relative position to the guide rod 11 and is located on the side of the vertical extension 22 of the fork 2 that is opposite to the horizontal extension 21. In this way, the stop member 13 supports the vertical extension 22 of the fork 2, preventing the fork 2 from rotating relative to the guide rod 11 and improving the load-bearing capacity of the fork 2.

[0072] In some examples, the stop 13 can be a second crossbeam, with the side of the vertical extension 22 of the fork 2 facing away from the horizontal extension 21 abutting against the second crossbeam.

[0073] In other examples, the stop 13 can be a first protrusion and a second protrusion facing each other on the first frame 1. The first and second protrusions are arranged along the length of the guide rod 11. The first protrusion supports one fork 2 on the fork carriage, and the second protrusion supports the other fork 2 on the fork carriage.

[0074] In some implementations, see Figure 1 and Figure 3 The fork carriage also includes a second frame 4, and the first frame 1 is rotatably connected to the second frame 4. Since the forks 2 are connected to the first frame 1, and the first frame 1 is rotatably connected to the second frame 4, when the angle of the first frame 1 relative to the second frame 4 is adjusted, the forks 2 move synchronously relative to the second frame 4 along with the first frame 1, making the angle of the forks 2 relative to the second frame 4 adjustable and improving the flexibility of the forks 2 during operation.

[0075] In some examples, the second frame 4 can be a frame structure manufactured by welding.

[0076] In other examples, the second frame 4 can be a frame structure connected by fasteners such as bolts.

[0077] In some implementations, see Figure 2 and Figure 3 The first frame 1 includes a lug 14, which has a first connecting hole 141. The second frame 4 includes a rotating shaft 41, which is rotatably connected to the first connecting hole 141 of the lug 14. The first frame 1 is rotatably connected to the second frame 4 via the lug 14 and the rotating shaft 41, which has a simple structure and is easy to process.

[0078] In some examples, lug 14 can be connected to the first crossbeam 12 of the first frame 1.

[0079] In other examples, the first frame 1 includes side plates located at both ends of the first crossbeam 12 along its length, and lugs 14 can be connected to the side plates.

[0080] In some examples, the first frame 1 may include two lugs 14, which may be connected to one pivot 41 of the second frame 4 simultaneously, or to the two pivots 41 of the second frame 4 respectively.

[0081] In some other embodiments, the second frame 4 is provided on the lug 14, the first frame 1 is provided on the pivot 41, and the lug 14 of the second frame 4 is rotatably connected to the pivot 41 of the first frame 1.

[0082] In some implementations, see Figure 1 The fork carriage also includes a drive unit connected to the second frame 4, used to drive the first frame 1 to rotate relative to the second frame 4. Driving the first frame 1 to rotate relative to the second frame 4 via the drive unit connected to the second frame 4 results in a simple structure that is easy to assemble and maintain.

[0083] In some other embodiments, the drive member may be connected to the first frame 1 and supported between the first frame 1 and the second frame 4. When the drive member extends or retracts, it drives the first frame 1 to rotate relative to the second frame 4.

[0084] In some implementations, see Figure 1 The device comprises multiple drive components, including a first drive component 51 and a second drive component 52 spaced apart along the length of the guide rod 11. Both the first drive component 51 and the second drive component 52 are connected between the first frame 1 and the second frame 4. The spaced-apart arrangement of the first drive component 51 and the second drive component 52 along the length of the guide rod 11 ensures that their arrangement direction is the same as the arrangement direction of the two forks 2 on the fork carriage. This arrangement improves the stability of the first drive component 51 and the second drive component 52 in supporting the first frame 1 along the fork 2 arrangement direction, thereby improving the stability of the forks 2 during operation.

[0085] In some examples, the number of drivers can be 1, 2, 3, 4, etc.

[0086] In some implementations, see Figure 1 and Figure 3 The driving component is a hydraulic cylinder, which is spaced apart from the pivot 41 of the first frame 1 relative to the second frame 4. The cylinder body of the hydraulic cylinder is connected to the second frame 4, and the piston rod of the hydraulic cylinder is connected to the first frame 1; or, the cylinder body of the hydraulic cylinder is connected to the first frame 1, and the piston rod of the hydraulic cylinder is connected to the second frame 4. Driving the first frame 1 to rotate relative to the second frame 4 with a hydraulic cylinder has the advantages of smooth rotation of the first frame 1 relative to the second frame 4 and high reliability.

[0087] In some examples, the cylinder body of the hydraulic cylinder is connected to the second frame 4 by bolts or other components, and the piston rod of the hydraulic cylinder is hinged to the first frame 1.

[0088] In other examples, the cylinder body of the hydraulic cylinder is connected to the first frame 1 by bolts or other components, and the piston rod of the hydraulic cylinder is hinged to the second frame 4.

[0089] In some other implementations, the drive element may also be an electric actuator.

[0090] In some implementations, see Figure 1 and Figure 2 A buffer pad 15 is provided on the surface of the first frame 1 facing the second frame 4 and / or the surface of the second frame 4 facing the first frame 1. The buffer pad 15 is used to support between the first frame 1 and the second frame 4 when the first frame 1 rotates towards the second frame 4, so as to improve the supporting force of the second frame 4 on the first frame 1, thereby improving the stability of the fork 2 when handling goods.

[0091] In some examples, the cushioning pad 15 may be provided on the first frame 1 and extend in the direction toward the second frame 4. For example, the cushioning pad 15 may be provided on the side of the stop 13 of the first frame 1 facing the second frame 4.

[0092] In other examples, the buffer pad 15 may be provided on the second frame 4 and extend toward the first frame 1. For example, the second frame 4 includes a third side plate 42 and a fourth side plate 43 provided on both sides of the second frame 4 along the length of the guide rod 11, and the buffer pad 15 may be provided on the third side plate 42 and the fourth side plate 43. At the same time, the buffer pad 15 may abut against the first side plate 16 and the second side plate 17 of the first frame 1, or it may abut against the stop member 13 of the first frame 1.

[0093] In the description of the embodiments of this application, specific features, structures, materials or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0094] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A fork carriage, characterized in that, It includes a first frame (1), forks (2) and a positioning structure (3); The first frame (1) includes a smooth rod (11), and the fork (2) is sleeved on the smooth rod (11) and its position is adjustable along the length direction of the smooth rod (11); The positioning structure (3) is used to fix the position of the fork (2) relative to the light rod (11) when the fork (2) is adjusted to the target position along the light rod (11).

2. The fork carriage according to claim 1, characterized in that, The first frame (1) includes a first crossbeam (12), and the positioning structure (3) includes a positioning element; The first crossbeam (12) is fixedly disposed relative to the light rod (11), and the positioning member is connected between the first crossbeam (12) and the fork (2). The positioning member is used to fix the position of the fork (2) and the first crossbeam (12) when the fork (2) is adjusted to the target position along the light rod (11), so as to fix the position of the fork (2) relative to the light rod (11).

3. The fork carriage according to claim 2, characterized in that, The positioning structure (3) further includes a plurality of first connecting parts and at least one second connecting part, wherein the plurality of first connecting parts are arranged along the length direction of the optical rod (11); The plurality of first connecting parts are provided on the fork (2), and the at least one second connecting part is provided on the first crossbeam (12); or the plurality of first connecting parts are provided on the first crossbeam (12), and the at least one second connecting part is provided on the fork (2); When the fork (2) is adjusted to the target position along the guide bar (11), the positioning member can be connected between at least one of the plurality of first connecting parts and at least one of the second connecting parts to fix the position of the fork (2) and the first crossbeam (12).

4. The fork carriage according to claim 3, characterized in that, Both the first connecting part and the second connecting part are through holes, and the positioning element is a positioning pin (31).

5. The fork carriage according to claim 1, characterized in that, The cross-sectional shape of the optical rod (11) is circular.

6. The fork carriage according to claim 1, characterized in that, The fork (2) includes a horizontal extension (21) and a vertical extension (22) connected to one end of the horizontal extension (21), the end of the vertical extension (22) away from the horizontal extension (21) being connected to the light rod (11); The first frame (1) also includes a stop (13), which is located on the side of the vertical extension (22) opposite to the horizontal extension (21), and the stop (13) is fixed relative to the light rod (11).

7. The fork carriage according to claim 1, characterized in that, It also includes a second frame (4), to which the first frame (1) is rotatably connected.

8. The fork carriage according to claim 7, characterized in that, The first frame (1) includes a lug (14), and the lug (14) is provided with a first connecting hole (141); The second frame (4) includes a pivot (41) which is rotatably connected to the first connecting hole (141) of the lug (14).

9. The fork carriage according to claim 7 or 8, characterized in that, It also includes a drive unit connected to the second frame (4) for driving the first frame (1) to rotate relative to the second frame (4).

10. The fork carriage according to claim 9, characterized in that, The number of driving components is multiple, including a first driving component (51) and a second driving component (52) spaced apart along the length direction of the light rod (11). The first driving component (51) and the second driving component (52) are both connected between the first frame (1) and the second frame (4).

11. The fork carriage according to claim 9, characterized in that, The driving component is a hydraulic cylinder. The hydraulic cylinder is spaced apart from the first frame (1) relative to the rotating shaft (41) of the second frame (4). The cylinder body of the hydraulic cylinder is connected to the second frame (4), and the piston rod of the hydraulic cylinder is connected to the first frame (1). Alternatively, the cylinder body of the hydraulic cylinder is connected to the first frame (1), and the piston rod of the hydraulic cylinder is connected to the second frame (4).

12. The fork carriage according to claim 7, characterized in that, The surface of the first frame (1) facing the second frame (4) and / or the surface of the second frame (4) facing the first frame (1) are provided with buffer pads (15).

13. A gantry system, characterized in that, The fork carriage includes any one of claims 1-12.

14. A forklift, characterized in that, Includes the fork carriage according to any one of claims 1-12, or the mast system according to claim 13.

Images