Gantry gap adjusting structure of reach forklift

Abstract

The utility model relates to a portal clearance adjusting structure of a reach forklift. The technical problems that when an existing portal frame ascends and descends, the existing portal frame shakes due to the existence of a gap, and the working stability of a forklift is not facilitated are solved. Comprising a gantry mounting seat arranged at one end of a forklift body, a gantry body is arranged on the inner side of the gantry mounting seat, outer gantries connected with the gantry mounting seat are arranged on the two sides of the gantry body respectively, middle gantries are arranged on the sides, away from the gantry mounting seat, of the outer gantries, and inner gantries are arranged on the sides, away from the outer gantries, of the middle gantries; the outer door frame, the middle door frame and the inner door frame are sequentially arranged in a staggered and inserted mode, and gap adjusting assemblies are arranged between the outer door frame and the middle door frame and between the middle door frame and the inner door frame. The portal frame has the advantages that the gaps among the outer portal frame, the middle portal frame and the inner portal frame are adjusted through the gap adjusting assemblies, so that the rollers on the portal frames can operate in an attached mode, the operation stability of the portal frame body is ensured, the structure is simple, and the gaps can be adjusted by tightening bolts through tools at any time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fork truck equipment, and particularly relates to a mast gap adjusting structure of a front-moving fork truck. BACKGROUND

[0002] The mast is a key component of the fork truck, and realizes the functions of carrying, stacking and loading and unloading of the fork truck. Most of the existing fork trucks adopt a three-stage mast structure to perform lifting work, but the overall stroke of the three-stage mast structure is relatively long, and in the actual assembly production process, there is a certain gap between the masts, and the masts will shake due to the existence of the gap when being lifted and lowered, which is not conducive to the stability of the fork truck work. In addition, the size of the gap is uncontrollable, and it is inconvenient for workers to adjust the sliding gap. SUMMARY

[0003] The utility model aims at the above problems, and provides a mast gap adjusting structure of a front-moving fork truck.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a mast gap adjusting structure of a front-moving fork truck, which comprises a mast mounting seat arranged at one end of a fork truck body, a mast body arranged on the inner side of the mast mounting seat, outer masts arranged on the two sides of the mast body and connected with the mast mounting seat, a middle mast arranged on the side of the outer mast away from the mast mounting seat, an inner mast arranged on the side of the middle mast away from the outer mast, and a gap adjusting assembly arranged between the outer mast, the middle mast and the inner mast. The gap adjusting assembly is used for adjusting the gap between the inner mast, the middle mast and the outer mast, so as to ensure the stability of the mast body, and the structure design is simple and the operation is convenient.

[0005] In the mast gap adjusting structure of the front-moving fork truck, the side of the outer mast close to the middle mast is provided with an axially extending outer mast groove, the two sides of the middle mast are provided with axially extending middle mast grooves, and the two sides of the inner mast are provided with axially extending inner mast grooves. The outer mast groove, the middle mast groove and the inner mast groove are used for the mutual insertion of the outer mast, the middle mast and the inner mast.

[0006] In the mast gap adjusting structure of the front-moving fork truck, one side of the outer mast groove is provided with an outer mast plate, the other side is provided with a mounting portion provided with a mounting groove, the two sides of the middle mast groove are provided with middle mast plates, the two sides of the inner mast groove are provided with inner mast plates, a connecting plate is arranged between the upper ends of the two inner masts, mounting plates are arranged between the mounting portions of the two outer masts away from the connecting plate, and the two ends of the mounting plates are arranged in the mounting grooves. The connecting plate and the mounting plate play a fixing role, and improve the stability of the mast body.

[0007] In the mast gap adjusting structure of the forward-moving forklift truck, the outer mast plate is arranged in the outer mast slot on the side of the middle mast close to the outer mast, the side of the middle mast plate on the side of the middle mast close to the mounting part is arranged in the outer mast slot, the side of the middle mast plate on the side of the middle mast away from the mounting part is arranged in the inner mast slot on the side of the inner mast close to the middle mast, and the side of the inner mast plate on the side of the inner mast close to the mounting part is arranged in the middle mast slot on the side of the middle mast away from the outer mast. The outer mast, the middle mast and the inner mast are arranged in sequence in a staggered manner.

[0008] In the mast gap adjusting structure of the forward-moving forklift truck, one end of the outer mast plate is provided with an outer plate notch connected with the outer mast slot, one end of the middle mast plate arranged in the inner mast slot is provided with a first middle plate notch, one end of the middle mast plate arranged in the outer mast slot and away from the first middle plate notch is provided with a second middle plate notch, and one end of the inner mast plate arranged in the middle mast slot and close to the second middle plate notch is provided with an inner plate notch.

[0009] In the mast gap adjusting structure of the forward-moving forklift truck, the gap adjusting assembly comprises a first adjusting bolt arranged on the side of the middle mast plate away from the first middle plate notch and close to the connecting plate, one end of the first adjusting bolt is axially penetrated through the middle mast plate and abuts against the side surface of the inner mast plate arranged in the middle mast slot, the mounting part is provided with an outer plate fixing block on the side of the outer plate notch, the outer plate fixing block is provided with a second adjusting bolt, one end of the second adjusting bolt is axially penetrated through the outer plate fixing block and abuts against the side surface of the middle mast plate arranged in the outer mast slot, the middle mast slot on the side of the middle mast plate close to the outer mast plate and close to the second middle plate notch is provided with a middle plate fixing block, the middle plate fixing block is provided with a third adjusting bolt, and one end of the third adjusting bolt is axially penetrated through the middle plate fixing block and abuts against the side surface of the outer mast plate. The first adjusting bolt is used for adjusting the gap between the middle mast and the inner mast, the second adjusting bolt is used for adjusting the gap between the middle mast and the outer mast, and the third adjusting bolt is used for adjusting the gap between the middle mast and the outer mast.

[0010] In the mast gap adjusting structure of the forward-moving forklift truck, one end of the outer mast slot close to the outer plate notch is provided with an outer connecting hole, the outer connecting hole is provided with an outer mast roller, and the outer side of the outer mast roller protrudes outward from the outer side of the outer plate notch.

[0011] In the mast gap adjusting structure of the forward-moving forklift, the first middle connecting hole is arranged on the middle mast slot near the inner mast side and near one end of the first middle plate gap, the first middle mast roller is arranged in the first middle connecting hole, the second middle connecting hole is arranged on the middle mast slot near the outer mast side and near one end of the second middle plate gap, the second middle mast roller is arranged in the second middle connecting hole, and the first middle mast roller protrudes outward from the first middle plate gap, and the second middle mast roller protrudes outward from the second middle plate gap.

[0012] In the mast gap adjusting structure of the forward-moving forklift, the first middle connecting hole is arranged on the middle mast slot near the inner mast side and near one end of the first middle plate gap, the first middle connecting hole is arranged in the first middle connecting hole, the first middle mast roller is arranged in the first middle connecting hole, the second middle connecting hole is arranged on the middle mast slot near the outer mast side and near one end of the second middle plate gap, the second middle connecting hole is arranged in the second middle connecting hole, and the first middle mast roller protrudes outward from the first middle plate gap, and the second middle mast roller protrudes outward from the second middle plate gap.

[0013] In the mast gap adjusting structure of the forward-moving forklift, the first middle connecting hole is arranged on the middle mast slot near the inner mast side and near one end of the first middle plate gap, the first middle connecting hole is arranged in the first middle connecting hole, the first middle mast roller is arranged in the first middle connecting hole, the second middle connecting hole is arranged on the middle mast slot near the outer mast side and near one end of the second middle plate gap, the second middle connecting hole is arranged in the second middle connecting hole, and the first middle mast roller protrudes outward from the first middle plate gap, and the second middle mast roller protrudes outward from the second middle plate gap.

[0014] Compared with the prior art, the mast gap adjusting structure of the forward-moving forklift has the following advantages:

[0015] The device adjusts the gap between the outer mast, the middle mast and the inner mast through the gap adjusting assembly, so that the rollers on the mast can run in close contact, thereby ensuring the stability of the mast body operation, and the structure is simple, and the gap can be adjusted at any time by tightening the bolt with a tool. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the mast body in the utility model.

[0018] Figure 3 It is a structural schematic diagram of another angle of the mast body in the utility model.

[0019] Figure 4 It is a partial structural explosion diagram of the mast body in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the utility model. Figure 4 middle A place in the utility model.

[0021] Figure 6 It is a structural schematic diagram of the utility model.Figure 4 Structure diagram at B.

[0022] In the figure: forklift body 1, mast mounting seat 11, mast body 2, outer mast 3, outer mast groove 31, outer mast plate 32, mounting part 33, mounting groove 331, mounting plate 34, outer plate gap 35, outer connecting hole 36, outer mast roller 37, middle mast 4, middle mast groove 41, middle mast plate 42, first middle plate gap 43, second middle plate gap 44, first middle connecting hole 45, first middle mast roller 46, second middle connecting hole 47, second middle mast roller 48, inner mast 5, inner mast groove 51, inner mast plate 52, connecting plate 53, inner plate gap 54, inner connecting hole 55, inner mast roller 56, gap adjusting assembly 6, first adjusting bolt 61, outer plate fixing block 62, second adjusting bolt 63, middle plate fixing block 64, third adjusting bolt 65. DETAILED DESCRIPTION

[0023] The utility model will be made further detailed explanation in combination with the specific embodiment and the drawing.

[0024] As Figures 1-6 shown, a front moving type forklift mast gap adjusting structure, including setting in forklift body 1 one end's mast mounting seat 11, the inner side of mast mounting seat 11 is equipped with mast body 2, and the both sides of mast body 2 are respectively equipped with outer mast 3 connected with mast mounting seat 11, and the side of outer mast 3 away from mast mounting seat 11 has middle mast 4, and the side of middle mast 4 away from outer mast 3 has inner mast 5, and outer mast 3, middle mast 4 and inner mast 5 are sequentially and mutually staggered and inserted, and gap adjusting assembly 6 is arranged between outer mast 3 and middle mast 4 and between middle mast 4 and inner mast 5. Adjust when the gap between inner mast 5, middle mast 4 and outer mast 3 is enlarged by using gap adjusting assembly 6, so as to ensure the stability of mast body 2, and the structure design is simple, and the operation is convenient.

[0025] As Figure 4 shown, the side of outer mast 3 close to middle mast 4 is equipped with axially extending outer mast groove 31, and the both sides of middle mast 4 are respectively equipped with axially extending middle mast groove 41, and the both sides of inner mast 5 are respectively equipped with axially extending inner mast groove 51. Outer mast groove 31, middle mast groove 41 and inner mast groove 51 are used for the mutual insertion between outer mast 3, middle mast 4 and inner mast 5.

[0026] The outer door frame groove 31 is provided with an outer door frame plate 32 on one side and an installation part 33 with an installation groove 331 on the other side, the middle door frame groove 41 is provided with a middle door frame plate 42 on both sides, the inner door frame groove 51 is provided with an inner door frame plate 52 on both sides, a connecting plate 53 is arranged between the upper ends of the two inner door frames 5, and the installation parts 33 of the two outer door frames 3 are provided with an installation plate 34 between the ends away from the connecting plate 53, and the installation plate 34 is arranged in the installation groove 331 at both ends. The connecting plate 53 and the installation plate 34 play a fixing role and improve the stability of the door frame body 2.

[0027] In combination with Figure 2 and Figure 4 As shown in the drawings, the outer door frame plate 32 is arranged in the middle door frame groove 41 of the middle door frame 4 close to the outer door frame 3, one side of the middle door frame plate 42 close to the installation part 33 of the middle door frame 4 is arranged in the outer door frame groove 31, one side of the middle door frame plate 42 away from the installation part 33 of the middle door frame 4 is arranged in the inner door frame groove 51 of the inner door frame 5 close to the middle door frame 4, and one side of the inner door frame plate 52 close to the installation part 33 of the inner door frame 5 is arranged in the middle door frame groove 41 of the middle door frame 4 away from the outer door frame 3. The outer door frame 3, the middle door frame 4 and the inner door frame 5 are sequentially and staggeringly inserted and arranged.

[0028] In combination with Figure 4 , Figure 5 and Figure 6 As shown in the drawings, one end of the outer door frame plate 32 is provided with an outer plate gap 35 connected with the outer door frame groove 31, one end of the middle door frame plate 42 located in the inner door frame groove 51 is provided with a first middle plate gap 43, one end of the middle door frame plate 42 located in the outer door frame groove 31 and away from the first middle plate gap 43 is provided with a second middle plate gap 44, and one end of the inner door frame plate 52 located in the middle door frame groove 41 and close to the second middle plate gap 44 is provided with an inner plate gap 54.

[0029] In combination with Figure 2 and Figure 3As shown, the gap adjusting assembly 6 comprises a first adjusting bolt 61 arranged on the middle door frame 4 near one end of the connecting plate 53 and away from one side of the first middle plate gap 43, one end of the first adjusting bolt 61 axially penetrates the middle door frame plate 42 and abuts against the side surface of the inner door frame plate 52 located in the middle door frame groove 41, the mounting portion 33 is provided with an outer plate fixing block 62 near one end of the outer plate gap 35, the outer plate fixing block 62 is provided with a second adjusting bolt 63, one end of the second adjusting bolt 63 axially penetrates the outer plate fixing block 62 and abuts against the side surface of the middle door frame plate 42 located in the outer door frame groove 31, the middle door frame plate 42 is provided with a middle plate fixing block 64 near one end of the middle door frame groove 41 near one side of the outer door frame plate 32 and near the second middle plate gap 44, the middle plate fixing block 64 is provided with a third adjusting bolt 65, and one end of the third adjusting bolt 65 axially penetrates the middle plate fixing block 64 and abuts against the side surface of the outer door frame plate 32. The first adjusting bolt 61 is used for adjusting the gap between the middle door frame 4 and the inner door frame 5, the second adjusting bolt 63 is used for adjusting the gap between the middle door frame 4 and the outer door frame 3, and the third adjusting bolt 65 is used for adjusting the gap between the middle door frame 4 and the outer door frame 3.

[0030] In combination Figures 2-6 As shown, the outer door frame groove 31 is provided with an outer connecting hole 36 near one end of the outer plate gap 35, the outer connecting hole 36 is provided with an outer door frame roller 37, and the outer side of the outer door frame roller 37 protrudes outward of the outer plate gap 35.

[0031] The middle door frame groove 41 near one side of the middle door frame 4 and near one end of the first middle plate gap 43 is provided with a first middle connecting hole 45, the first middle connecting hole 45 is provided with a first middle door frame roller 46, the middle door frame groove 41 near one side of the middle door frame 4 and near one end of the second middle plate gap 44 is provided with a second middle connecting hole 47, the second middle connecting hole 47 is provided with a second middle door frame roller 48, and the outer side of the first middle door frame roller 46 protrudes outward of the first middle plate gap 43, and the outer side of the second middle door frame roller 48 protrudes outward of the second middle plate gap 44. In this way, the rollers are conveniently attached to the door frame, and the lifting function of the door frame body 2 is ensured.

[0032] Specifically, the inner door frame groove 51 near one side of the inner door frame 5 and near one end of the inner plate gap 54 is provided with an inner connecting hole 55, the inner connecting hole 55 is provided with an inner door frame roller 56, and the outer side of the inner door frame roller 56 protrudes outward of the inner plate gap 54.

[0033] Further, the outer door frame roller 37 moves in the middle door frame groove 41 near one side of the middle door frame 4 and near the outer door frame 3, the first middle door frame roller 46 moves in the inner door frame groove 51 near one side of the inner door frame 5 and near the middle door frame 4, the second middle door frame roller 48 moves in the outer door frame groove 31, and the inner door frame roller 56 moves in the middle door frame groove 41 near one side of the middle door frame 4 and near the inner door frame 5.

[0034] The principle of the embodiment is that:

[0035] By tightening the first adjusting bolt 61, the gap between the inner portal 5 and the middle portal 4 is adjusted, so that the first middle portal roller 46 is better fitted with the inner portal 5 and the inner portal roller 56 is better fitted with the middle portal 4; by tightening the second adjusting bolt 63, the gap between the middle portal 4 and the outer portal 3 is adjusted, so that the outer portal roller 37 is better fitted with the middle portal 4; by tightening the third adjusting bolt 65, the gap between the middle portal 4 and the outer portal 3 is adjusted, so that the second middle portal roller 48 is better fitted with the outer portal 3; the structure design is simple, the operation is convenient, and the stability of the portal body operation is ensured.

[0036] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0037] Although the terms such as forklift body 1, portal mounting seat 11, portal body 2, outer portal 3, outer portal groove 31, outer portal plate 32, mounting part 33, mounting groove 331, mounting plate 34, outer plate gap 35, outer connecting hole 36, outer portal roller 37, middle portal 4, middle portal groove 41, middle portal plate 42, first middle plate gap 43, second middle plate gap 44, first middle connecting hole 45, first middle portal roller 46, second middle connecting hole 47, second middle portal roller 48, inner portal 5, inner portal groove 51, inner portal plate 52, connecting plate 53, inner plate gap 54, inner connecting hole 55, inner portal roller 56, gap adjusting assembly 6, first adjusting bolt 61, outer plate fixing block 62, second adjusting bolt 63, middle plate fixing block 64, third adjusting bolt 65 are used more in this article, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A mast gap adjusting structure of a forward moving forklift truck, comprising a mast mounting seat (11) arranged at one end of a truck body (1), an inner side of the mast mounting seat (11) being provided with a mast body (2), characterized in that, The door frame body (2) is provided with outer door frames (3) connected with door frame mounting seats (11) on both sides, the outer door frames (3) are provided with middle door frames (4) on the side away from the door frame mounting seats (11), the middle door frames (4) are provided with inner door frames (5) on the side away from the outer door frames (3), the outer door frames (3), the middle door frames (4) and the inner door frames (5) are sequentially and staggeredly connected, and gap adjusting assemblies (6) are arranged between the outer door frames (3) and the middle door frames (4) and between the middle door frames (4) and the inner door frames (5).

2. The mast gap adjustment structure of a reach truck according to claim 1, characterized in that, The outer door frames (3) are provided with axially extending outer door frame grooves (31) on the side close to the middle door frames (4), the middle door frames (4) are provided with axially extending middle door frame grooves (41) on both sides, and the inner door frames (5) are provided with axially extending inner door frame grooves (51) on both sides.

3. The mast gap adjustment structure of a reach truck according to claim 2, characterized in that, The outer door frame grooves (31) are provided with outer door frame plates (32) on one side and mounting portions (33) provided with mounting grooves (331) on the other side, the middle door frame grooves (41) are provided with middle door frame plates (42) on both sides, the inner door frame grooves (51) are provided with inner door frame plates (52) on both sides, connecting plates (53) are arranged between the upper ends of the two inner door frames (5), mounting plates (34) are arranged between the mounting portions (33) of the two outer door frames (3) away from the connecting plates (53), and the mounting plates (34) are arranged in the mounting grooves (331) at both ends.

4. The mast gap adjustment structure of a reach truck according to claim 3, characterized in that, The outer door frame plates (32) are arranged in the middle door frame grooves (41) on the side of the middle door frames (4) close to the outer door frames (3), one side of the middle door frame plates (42) on the side of the middle door frames (4) close to the mounting portions (33) is arranged in the outer door frame grooves (31), one side of the middle door frame plates (42) on the side of the middle door frames (4) away from the mounting portions (33) is arranged in the inner door frame grooves (51) on the side of the inner door frames (5) close to the middle door frames (4), and one side of the inner door frame plates (52) on the side of the inner door frames (5) close to the mounting portions (33) is arranged in the middle door frame grooves (41) on the side of the middle door frames (4) away from the outer door frames (3).

5. The mast gap adjustment structure of a reach truck according to claim 3 or 4, characterized in that, One end of the outer door frame plates (32) is provided with an outer plate notch (35) connected with the outer door frame grooves (31), one end of the middle door frame plates (42) arranged in the inner door frame grooves (51) is provided with a first middle plate notch (43), one end of the middle door frame plates (42) arranged in the outer door frame grooves (31) and away from the first middle plate notch (43) is provided with a second middle plate notch (44), and one end of the inner door frame plates (52) arranged in the middle door frame grooves (41) and close to the second middle plate notch (44) is provided with an inner plate notch (54).

6. The mast gap adjustment structure of a reach truck according to claim 5, characterized in that, The gap adjusting assembly (6) comprises a first adjusting bolt (61) arranged at one end of the middle door frame (4) close to the connecting plate (53) and away from the first middle plate gap (43), one end of the first adjusting bolt (61) axially penetrates the middle door frame plate (42) and abuts against the side surface of the inner door frame plate (52) in the middle door frame groove (41), the mounting part (33) is provided with an outer plate fixing block (62) at one end close to the outer plate gap (35), the outer plate fixing block (62) is provided with a second adjusting bolt (63), one end of the second adjusting bolt (63) axially penetrates the outer plate fixing block (62) and abuts against the side surface of the middle door frame plate (42) in the outer door frame groove (31), the middle door frame plate (42) is provided with a middle plate fixing block (64) at one end close to the second middle plate gap (44) and at the side of the middle door frame groove (41) close to the outer door frame plate (32), the middle plate fixing block (64) is provided with a third adjusting bolt (65), and one end of the third adjusting bolt (65) axially penetrates the middle plate fixing block (64) and abuts against the side surface of the outer door frame plate (32).

7. The mast gap adjustment structure of a reach truck according to claim 5, characterized in that, The outer door frame groove (31) is provided with an outer connecting hole (36) at one end close to the outer plate gap (35), the outer connecting hole (36) is provided with an outer door frame roller (37), and the outer side of the outer door frame roller (37) protrudes outward of the outer plate gap (35).

8. The mast gap adjustment structure of a reach truck according to claim 7, characterized in that, The middle door frame (4) is provided with a first middle connecting hole (45) at one end close to the first middle plate gap (43) and at the side of the middle door frame groove (41) close to the inner door frame (5), the first middle connecting hole (45) is provided with a first middle door frame roller (46), the middle door frame (4) is provided with a second middle connecting hole (47) at one end close to the second middle plate gap (44) and at the side of the middle door frame groove (41) close to the outer door frame (3), the second middle connecting hole (47) is provided with a second middle door frame roller (48), the outer side of the first middle door frame roller (46) protrudes outward of the first middle plate gap (43), and the outer side of the second middle door frame roller (48) protrudes outward of the second middle plate gap (44).

9. The mast gap adjustment structure of a reach truck according to claim 8, characterized in that, The inner door frame (5) is provided with an inner connecting hole (55) at one end close to the inner plate gap (54) and at the side of the inner door frame groove (51) close to the middle door frame (4), the inner connecting hole (55) is provided with an inner door frame roller (56), and the outer side of the inner door frame roller (56) protrudes outward of the inner plate gap (54).

10. The mast gap adjustment structure of a reach truck according to claim 9, characterized in that, The outer door frame roller (37) moves in the middle door frame groove (41) at the side of the middle door frame (4) close to the outer door frame (3), the first middle door frame roller (46) moves in the inner door frame groove (51) at the side of the inner door frame (5) close to the middle door frame (4), the second middle door frame roller (48) moves in the outer door frame groove (31), and the inner door frame roller (56) moves in the middle door frame groove (41) at the side of the middle door frame (4) close to the inner door frame (5).

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