Forward moving oil cylinder fixing device of forklift and forklift

Abstract

The utility model provides a forward-moving oil cylinder fixing device of a forklift and the forklift. The first end of a forward-moving oil cylinder is connected to a door frame. The first end of the forward-moving oil cylinder is assembled on the oil cylinder connecting base, the second end of the forward-moving oil cylinder is assembled on the oil cylinder connecting base, the oil cylinder connecting base abuts against the inner side wall of the frame, the frame is provided with an assembling hole penetrating through the inside and the outside, and the fixing piece penetrates through the assembling hole through the outer side of the frame and is detachably and fixedly connected with the oil cylinder connecting base. When the forward-moving oil cylinder is assembled and disassembled, the fixing piece can be operated from the outer side of the frame; and operation in a narrow space in the frame is not needed, so that the convenience of assembly and disassembly operation is greatly improved, the operation efficiency is high, and the after-sales maintenance time is greatly shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fork truck, concretely relates to a front moving oil cylinder fixing device of fork truck and fork truck. BACKGROUND

[0002] The fork truck is one of the commonly used carrying vehicles at present, is the important equipment of the logistics industry, is the various wheeled carrying vehicles of piece pallet goods loading and unloading, stacking and short distance transportation, heavy load carrying industry. In the front moving type fork truck, the front moving oil cylinder for driving the mast is assembled in the frame, and the oil cylinder connecting seat connected with the front moving oil cylinder is directly welded on the inner side wall of the frame. The front moving oil cylinder needs to be operated in the frame during assembly or disassembly, and the operation space is narrow, which leads to difficult operation and low efficiency. SUMMARY

[0003] Therefore, the utility model provides a front moving oil cylinder fixing device of fork truck and fork truck to solve the above problems.

[0004] To achieve the above object, the utility model provides the technical scheme as follows:

[0005] A front moving oil cylinder fixing device of fork truck, including front moving oil cylinder, frame, mast, oil cylinder connecting seat and fixed part, the front moving oil cylinder is assembled in the frame, and the first end of the front moving oil cylinder is connected on the mast, the second end of the front moving oil cylinder is assembled on the oil cylinder connecting seat, the oil cylinder connecting seat is abutted on the inner side wall of the frame, and the assembly hole of internal and external penetration is set up on the frame, and the fixed part passes through the assembly hole on the outer side of the frame and is detachably fixedly connected with the oil cylinder connecting seat.

[0006] Further, the fixed part is a bolt, and the bolt is screw-fixed on the oil cylinder connecting seat.

[0007] Further, the assembly hole and the fixed part are matched with a plurality of groups, and the oil cylinder connecting seat is fixed by the plurality of fixed parts.

[0008] Further, the frame has a through window, and the oil cylinder connecting seat has a connecting part matched with the second end of the front moving oil cylinder, and the connecting part of the oil cylinder connecting seat extends into the through window.

[0009] Further, the frame includes a frame outer frame and a fixed plate fixed on the inner side of the frame outer frame, the fixed plate is provided with a first window and the assembly hole, the frame outer frame is provided with a second window, the first window and the second window correspond to each other and jointly form the through window, the assembly hole is located in the range of the second window, and the fixed part is fixed on the fixed plate.

[0010] Further, the cover plate is arranged to cover the connecting part of the oil cylinder connecting seat.

[0011] Further, the cover plate is arranged to cover the connecting part of the oil cylinder connecting seat.

[0012] Further, the oil cylinder connecting seat is provided with a connecting part, the connecting part is provided with a mounting hole and an axial hole perpendicular to the mounting hole, the second end of the front moving oil cylinder is arranged in the mounting hole of the connecting part, and the connecting shaft is arranged in the axial hole and the second end of the front moving oil cylinder, so that the second end of the front moving oil cylinder is hingedly assembled to the oil cylinder connecting seat.

[0013] Further, the connecting part is arranged at the middle part of the oil cylinder connecting seat, and the fixing part is fixedly connected to the outer peripheral part of the oil cylinder connecting seat.

[0014] The application further provides a forklift truck comprising the front moving oil cylinder fixing device.

[0015] The technical scheme has the following beneficial effects:

[0016] The oil cylinder connecting seat is arranged to abut against the inner side wall of the frame, the fixing part is arranged to pass through the assembling hole from the outer side of the frame and detachably fixedly connect the oil cylinder connecting seat; in this way, when assembling, the oil cylinder connecting seat and the front moving oil cylinder can be assembled first, then the oil cylinder connecting seat is arranged at the corresponding position of the frame (for example, the position corresponding to the assembling hole), then the fixing part is arranged to pass through the assembling hole from the outer side of the frame to fix and assemble the oil cylinder connecting seat, and when disassembling, the fixing part can be detached from the outer side of the frame; the operation in the narrow space in the frame is not needed, the assembling and disassembling operation is greatly simplified, the operation efficiency is high, and the after-sales maintenance time is greatly shortened. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Fig. 2 is a top view of the front moving oil cylinder fixing device of the forklift truck in the embodiment;

[0018] Figure 2 Fig. 4 is a schematic view of the assembling structure of the front moving oil cylinder, the frame and the oil cylinder connecting seat in the embodiment;

[0019] Figure 3 Fig. 5 is a schematic view of the front moving oil cylinder fixing device of the forklift truck in the embodiment;

[0020] Figure 4 Fig. 7 is an exploded view of the connecting structure of the frame, the fixing part and the cover plate in the embodiment;

[0021] Figure 5Part structure sectional view of the front moving oil cylinder fixing device of the forklift in the embodiment is shown.

[0022] Figure 6 Structure exploded view of the front moving oil cylinder, the frame and the oil cylinder connecting seat in the embodiment is shown.

[0023] Figure 7 The connection structure of the front moving oil cylinder and the oil cylinder connecting seat in the embodiment is shown. DETAILED DESCRIPTION

[0024] To further illustrate the embodiments, the utility model provides the attached drawings. These drawings are part of the utility model disclosure, which is mainly used to illustrate the embodiments, and can be explained with the related description of the specification to explain the operation principle of the embodiments. With reference to these contents, those skilled in the art should understand other possible embodiments and the advantages of the utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and the like orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0026] The utility model is further illustrated in conjunction with the drawings and specific embodiments.

[0027] Reference Figures 1 to 7As shown, the front moving oil cylinder fixing device provided by the embodiment comprises a vehicle frame 10, a portal frame 20, a front moving oil cylinder 30, an oil cylinder connecting seat 40 and a fixing member 60. The front moving oil cylinder 30 is assembled in the vehicle frame 10, and a first end 31 of the front moving oil cylinder 30 is connected to the portal frame 20. A second end 32 of the front moving oil cylinder 30 is assembled to the oil cylinder connecting seat 40, and the oil cylinder connecting seat 40 abuts against an inner side wall of the vehicle frame 10, that is, the oil cylinder connecting seat 40 is detachable from the vehicle frame 10. An assembly hole 13 is formed in the vehicle frame 10 and penetrates the vehicle frame 10 from the inside to the outside. The fixing member 60 passes through the assembly hole 13 from the outside of the vehicle frame 10 and detachably fixes the oil cylinder connecting seat 40, so that the front moving oil cylinder 30 and the vehicle frame 10 are fixed and assembled. In this way, when assembling, the oil cylinder connecting seat 40 and the front moving oil cylinder 30 can be assembled first, then the oil cylinder connecting seat 40 is placed at a corresponding position of the vehicle frame 10 (for example, a position corresponding to the assembly hole 13), and then the fixing member 60 passes through the assembly hole 13 from the outside of the vehicle frame 10 to fix and install the oil cylinder connecting seat 40. When disassembling, the fixing member 60 can be removed from the outside of the vehicle frame 10. The operation is not required to be performed in a narrow space in the vehicle frame 10, which greatly improves the convenience of assembly and disassembly, has high operation efficiency, and greatly shortens the after-sales maintenance time.

[0028] Further, in the embodiment, the fixing member 60 is a bolt 61, and the bolt 61 is screwed and fixed to the oil cylinder connecting seat 40. The screwing and fixing mode of the bolt 61 is simple and effective, and the assembly and disassembly operation is more convenient. Of course, in other embodiments, as long as the fixing and releasing assembly mode of the oil cylinder connecting seat 40 can be realized by operating the fixing member 60 from the outside of the vehicle frame 10, such as a rotating clamping member, the rotating clamping member can be used to fix the oil cylinder connecting seat 40.

[0029] More specifically, the assembly hole 13 and the fixing member 60 are matched in multiple groups, and in the embodiment, the assembly hole 13 and the fixing member 60 are matched in four groups, that is, the number of the assembly hole 13 and the fixing member 60 is four, and four fixing members 60 jointly fix four end positions of the oil cylinder connecting seat 40 to realize firm connection. Of course, in other embodiments, the assembly hole 13 and the fixing member 60 can be matched in three groups, five groups, or the like, or in one group or two groups under the condition of meeting firm assembly.

[0030] The second end 32 of the front moving oil cylinder 30 is hingedly assembled on the oil cylinder connecting seat 40, and in the embodiment, the oil cylinder connecting seat 40 is provided with a connecting part 41, the connecting part 41 is provided with a mounting hole 42 and an axial hole 43 perpendicular to the mounting hole 42, the second end 32 of the front moving oil cylinder 30 is arranged in the mounting hole 42 of the connecting part 41, and a connecting shaft 50 is arranged in the axial hole 43 and the second end 32 of the front moving oil cylinder 30, so that the second end 32 of the front moving oil cylinder 30 is hingedly assembled on the oil cylinder connecting seat 40.

[0031] Specifically, the connecting part 41 is located at the middle part of the oil cylinder connecting seat 40, and the fixing part 60 is fixedly connected at the peripheral part of the oil cylinder connecting seat 40, and the four end parts of the oil cylinder connecting seat 40 are respectively provided with screw holes 44 for locking with four bolts 61.

[0032] The connecting part 41 at the middle part of the oil cylinder connecting seat 40 protrudes from the peripheral part of the oil cylinder connecting seat 40, which means that the thickness of the peripheral part of the oil cylinder connecting seat 40 is reduced on the basis of maintaining the mounting size of the oil cylinder connecting seat 40 and the second end 32 of the front moving oil cylinder 30. On this basis, the frame 10 has an inside-out through accommodation window 101, and the connecting part 41 of the oil cylinder connecting seat 40 extends into the accommodation window 101. In this way, the mounting size can be shortened, which is beneficial to the size reduction of the whole vehicle.

[0033] Further, the frame 10 includes a frame outer frame 11 and a fixed plate 12 fixed to the inner side of the frame outer frame 11, the fixed plate 12 is provided with a first window and the assembly hole 13, the frame outer frame 11 is provided with a second window, the first window and the second window correspond to each other and jointly constitute the accommodation window 101, the assembly hole 13 is located in the range of the second window, that is, the shapes of the first window and the second window are inconsistent, and the fixing part 60 is fixed on the fixed plate 12. In this way, the fixing part 60 can also be located in the second window without protruding from the outer side of the frame 10; and the splicing structure of the fixed plate 12 and the frame outer frame 11 is adopted to obtain the accommodation window 101, which is beneficial to the processing and forming, that is, the first window can be processed on the fixed plate 12, and the second window can be processed on the frame outer frame 11, and then the accommodation window with the above-mentioned structure is obtained through assembly. Of course, in other embodiments, the accommodation window 101 can also be processed on a whole frame.

[0034] Further, the cover plate 70 is further provided, which is covered in the second window of the frame 11 to cover the fixing part 60, the fixing plate 12 and the connecting part 41 of the oil cylinder connecting base 40; and the hidden installation is realized. Specifically, the middle part of the cover plate 70 is also provided with an opening 71, and the second end 32 of the front moving oil cylinder 30 corresponds to the opening 71, so as to avoid the interference between the cover plate 70 and the second end 32 of the front moving oil cylinder 30. Further, the cover plate 70 is fixed with the connecting part 41 of the oil cylinder connecting base 40, and the fixing mode is that the connecting part 41 of the oil cylinder connecting base 40 is provided with two screw holes 45, and the cover plate 10 is locked on the two screw holes 45 of the oil cylinder connecting base 40 through the screws 80.

[0035] The above structure is one of the preferred schemes for realizing the application, and of course, in other embodiments, it is not limited to this. For example, the frame 10 can also not be provided with the structure of the window 101, and only compared with the scheme of the embodiment, the space in the frame 10 can be increased to reach the sufficient size for installing the front moving oil cylinder 30.

[0036] The embodiment also provides a forklift, which at least comprises the front moving oil cylinder fixing device of the forklift.

[0037] Although the application is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made in form and details without departing from the spirit and scope of the application defined in the appended claims, and all these changes are within the protection scope of the application.

Claims

1. A front moving oil cylinder fixing device of a forklift truck, comprising a front moving oil cylinder, a truck frame, a mast, an oil cylinder connecting seat and a fixing member, the front moving oil cylinder is assembled in the truck frame, and a first end of the front moving oil cylinder is connected to the mast; characterized in that: The second end of the front moving oil cylinder is assembled on the oil cylinder connecting seat, the oil cylinder connecting seat abuts on the inner side wall of the frame, and the frame is provided with an assembly hole penetrating through the inner and outer sides, the fixing member penetrates through the assembly hole from the outer side of the frame and detachably fixedly connects the oil cylinder connecting seat.

2. The front travel cylinder fixing device of a fork truck according to claim 1, characterized by: The fixing member is a bolt, and the bolt is screwed and fixed on the oil cylinder connecting seat.

3. The front travel cylinder fixing device of a fork lift truck according to claim 1 or 2, characterized in that: The assembly hole and the fixing member are matched in multiple groups, and multiple fixing members jointly fix the oil cylinder connecting seat.

4. The front travel cylinder fixing device of a fork truck according to claim 1, characterized by: The frame is provided with a through window, and the oil cylinder connecting seat is provided with a connecting portion matched with the second end of the front moving oil cylinder, and the connecting portion of the oil cylinder connecting seat extends into the through window.

5. The front travel cylinder fixation device of the fork truck according to claim 4, characterized in that: The frame comprises a frame outer frame and a fixing plate fixed on the inner side of the frame outer frame, the fixing plate is provided with a first window and the assembly hole, the frame outer frame is provided with a second window, the first window and the second window correspond to each other and jointly form the through window, the assembly hole is located in the range of the second window, and the fixing member is fixed on the fixing plate.

6. The front travel cylinder fixation device of the fork truck according to claim 5, characterized by: Further comprising a cover plate, the cover plate covers the second window of the frame outer frame to cover the fixing member, the fixing plate and the connecting portion of the oil cylinder connecting seat.

7. The front travel cylinder fixation device of the fork truck according to claim 6, characterized by: The cover plate is fixed with the connecting portion of the oil cylinder connecting seat.

8. The front travel cylinder fixation device of the fork truck according to claim 1, characterized by: The oil cylinder connecting seat is provided with a connecting portion, the connecting portion is provided with a mounting hole and a shaft hole perpendicular to the mounting hole, the second end of the front moving oil cylinder penetrates through the mounting hole of the connecting portion, and further comprising a connecting shaft, the connecting shaft penetrates through the shaft hole and the second end of the front moving oil cylinder, so that the second end of the front moving oil cylinder is hingedly assembled on the oil cylinder connecting seat.

9. The front travel cylinder fixation device of the fork truck according to claim 8, characterized by: The connecting portion is located at the middle position of the oil cylinder connecting seat, and the fixing member is fixedly connected at the peripheral position of the oil cylinder connecting seat.

10. A fork truck characterized by: At least comprising the front moving oil cylinder fixing device of any one of the above claims 1-9. At least comprising the front moving oil cylinder fixing device of any one of the above claims 1-9.

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