Fork bracket for loader
Technical Field
The utility model relates to a loader technical field specifically indicates a fork bracket for loader.
Background
The fork attachment is a mechanical device hung on a forklift, and is a multipurpose material handling tool.
The loader is provided with a special fork bracket, and a fork can be hung on the fork bracket to immediately replace a forklift to operate, so that the multifunctional loading machine is multipurpose. The demand of the current market for a loader with a fork product is large, but some fork bracket structures have problems, particularly deformation or welded junction cracking caused by insufficient strength. Through deep technical analysis and experimental verification, the pallet fork bracket with the advantages of simple structure, high rigidity and high strength is developed, the reliability is met, the dead weight of the pallet fork bracket is reduced, and the production cost is reduced.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a fork bracket for loader.
The utility model discloses a through following technical scheme realizes, provides a fork bracket for loader, including the bracket framework, one side rigid coupling of bracket framework has a pull rod support piece and two swing arm support piece, and pull rod support piece is located between two swing arm support piece, it has the pull rod connecting hole to open on the pull rod support piece, and swing arm support piece is last to open there is the swing arm connecting hole, the bracket framework includes main box roof beam, entablature and the bottom end rail that top-down set gradually side by side, main box roof beam, entablature and bottom end rail are through the curb plate fixed connection that is located both ends, open the up end of entablature has a plurality of short slots, open the lower terminal surface of bottom end rail has long slot.
The pull rod support piece in this scheme is connected with the pull rod of loader through the pull rod connecting hole, and swing arm support piece passes through the swing arm connecting hole and is connected with the swing arm of loader, the bracket framework includes main tank body roof beam, entablature and bottom end rail to through the curb plate with the end connection structure as an organic whole of main tank body roof beam, entablature and bottom end rail, thereby make the bracket framework be the frame construction of rectangle, stable in structure is reliable, the short slot of entablature can be used for the fixed and location of fork upper end, through fixing the fork in the short slot of difference, can adjust the width of two forks, thereby adapt to the length of different materials, long slot is used for installing the fork.
Preferably, the upper end of the upper cross beam, which is close to one side of the pull rod supporting piece, is provided with an upper inclined plane. The upper inclined plane that sets up in this scheme is convenient for the fork removal on the entablature.
Preferably, the lower end of one side of the lower cross beam, which is close to the pull rod supporting piece, is provided with a lower inclined plane. The lower inclined plane that sets up in this scheme is convenient for the fork removal on the bottom end rail.
Preferably, the movable arm support part comprises two movable arm support plates arranged side by side, and the main box body beam, the upper cross beam and the lower cross beam are fixedly connected with the movable arm support plates. According to the scheme, the main box body beam, the upper cross beam and the lower cross beam are fixedly connected with the movable arm supporting plate, so that the main box body beam, the upper cross beam, the lower cross beam and the movable arm supporting plate are welded into a whole, and the stability and the strength of the whole bracket are enhanced.
Preferably, the pull rod support piece comprises two pull rod support plates arranged side by side, and the main box body beam, the upper cross beam and the lower cross beam are fixedly connected with the pull rod support plates. In the scheme, the main box body beam, the upper cross beam and the lower cross beam are fixedly connected with the pull rod supporting plate, so that the main box body beam, the upper cross beam, the lower cross beam and the pull rod supporting plate are welded into a whole, and the stability and the strength of the whole bracket are enhanced.
Preferably, the main box body beam is a rectangular pipe body formed by enclosing of a sealing plate I, a sealing plate II and an L-shaped bent plate. Main box body beam comprises the bent plate welding of shrouding I, shrouding II and L shape in this scheme, simple structure, and intensity is high.
Preferably, the bracket frame further comprises a middle support plate connecting the upper cross beam and the lower cross beam, and the middle support plate is fixedly connected with the pull rod support piece or the movable arm support piece. The middle supporting plate in the scheme is connected with the upper cross beam and the lower cross beam, so that the bending resistance of the upper cross beam and the lower cross beam is improved.
Preferably, the bracket frame further comprises a plurality of upper bending plates fixedly connected above the main box body beam, and the upper bending plates are inverted U-shaped, and the end parts of the upper bending plates are fixedly connected with the main box body beam. The upper bent plate in this scheme can strengthen the main tank body roof beam, can increase the height of whole bracket simultaneously, is convenient for the side of outrigger material.
Preferably, the bracket frame further comprises lower buckling beams welded to the lower cross beam side by side. The lower buckle beam in the scheme increases the strength of the lower cross beam, and standard channel steel can be used as the lower buckle beam, so that the manufacturing cost is saved.
The utility model has the advantages that: the utility model discloses a fork bracket for loader is connected with the loader through pull rod support piece and swing arm support piece, and through the curb plate with the end connection structure as an organic whole of main tank roof beam, entablature and bottom end rail, thereby make the bracket framework be the frame construction of rectangle, stable in structure is reliable, and the short slot of entablature can be used for the fixed and location of fork upper end, through fixing the fork in the short slot of difference, can adjust the width of two forks, thereby adapt to the length of different materials, long slot is used for installing the fork, the utility model discloses a peg graft the fork, can realize the fork truck function, realize a tractor serves two purposes, and simple structure, rigidity, intensity are high, when satisfying the reliability, have alleviateed the dead weight of fork bracket, have reduced manufacturing cost.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a front view of the upper cross beam of the present invention;
fig. 4 is a cross-sectional view taken along plane B-B of fig. 3 according to the present invention;
fig. 5 is a front view of the lower cross beam of the present invention;
fig. 6 is a cross-sectional view taken along plane C-C of fig. 5 in accordance with the present invention;
shown in the figure:
1. the lower beam, 2, the lower buckle beam, 3, the upper beam, 4, the bent plate, 5, the sealing plate I, 6, the sealing plate II, 7, the upper bent plate, 8, the middle supporting plate, 9, the side plate, 10, the movable arm supporting plate, 11, the pull rod supporting plate, 12, the short groove, 13 and the long groove.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1-6, the utility model discloses a fork bracket for loader, including the bracket framework, the bracket framework is the rectangular frame of vertical setting, and one side rigid coupling of bracket framework has a pull rod support piece and two swing arm support pieces, and pull rod support piece is located between two swing arm support pieces, and two swing arm support pieces set up for pull rod support piece symmetry.
The pull rod support is provided with a pull rod connecting hole, and the axis of the pull rod connecting hole is transversely arranged and used for being hinged with a pull rod of the loader.
The movable arm supporting piece is provided with a movable arm connecting hole. The axis of the boom connecting hole is transversely arranged and used for being hinged with a boom of the loader.
The general loader is provided with two movable arms and a pull rod, and a pull rod connecting hole is higher than the movable arm connecting hole so as to be matched with the movable arms and the pull rod of the loader.
The bracket frame body comprises a main box body beam, an upper beam 3 and a lower beam 1 which are sequentially arranged side by side from top to bottom, the main box body beam, the upper beam 3 and the lower beam 1 are fixedly connected through side plates 9 positioned at two ends, the side plates 9 are rectangular steel plates, the side plates 9 are arranged in two numbers, the upper ends of the side plates 9 are welded with the end parts of the main box body beam, the lower ends of the side plates 9 are welded with the end parts of the lower beam 1, and the end parts of the upper beam 3 are welded on the side surfaces of the side plates 9.
The main box body beam is a rectangular tube body formed by enclosing a sealing plate I5, a sealing plate II 6 and an L-shaped bent plate 4, the bent plate 4 is in an L shape formed by bending steel plates, one edge of the bent plate 4 is arranged below the main box body beam, and the other edge of the bent plate is arranged on one side close to the pull rod support piece.
The bracket frame body further comprises intermediate support plates 8 which are connected with the upper cross beam 3 and the lower cross beam 1, the intermediate support plates 8 are vertically arranged, the upper ends of the intermediate support plates are welded with the upper cross beam 3, the lower ends of the intermediate support plates are welded with the lower cross beam 1, the number of the intermediate support plates 8 is three, the three intermediate support plates correspond to two movable arm support pieces and one pull rod support piece respectively, and the intermediate support plates 8 are fixedly connected with the pull rod support pieces or the movable arm support pieces.
The bracket frame body further comprises a plurality of upper bending plates 7 fixedly connected above the main box body beam, the upper bending plates 7 are provided with two and respectively located on two sides of each pull rod supporting piece, the upper bending plates 7 are inverted U-shaped, the end parts of the upper bending plates 7 are fixedly connected with the main box body beam, reinforcing ribs are welded in the middle of the upper bending plates 7, and the upper ends of the upper bending plates 7 and the main box body beam are connected through the reinforcing ribs.
The bracket frame body further comprises a lower buckling beam 2 welded on the lower cross beam 1 side by side, the lower buckling beam 2 is a standard channel steel, the standard channel steel is buckled on the side face, close to one side of the pull rod supporting piece, of the lower cross beam 1, and the end portion of the lower buckling beam 2 is welded with the side plate.
The movable arm supporting piece comprises two movable arm supporting plates 10 which are arranged side by side, and the main box body beam, the upper cross beam 3 and the lower cross beam 1 are fixedly connected with the movable arm supporting plates 10 in a welding mode.
The pull rod supporting piece comprises two pull rod supporting plates 11 which are arranged side by side, and the main box body beam, the upper cross beam 3 and the lower cross beam 1 are fixedly connected with the pull rod supporting plates 11 in a welding mode.
The upper beam 3 is a solid rectangular steel beam, a plurality of short grooves 12 are formed in the upper end face of the upper beam 3, the width of each short groove 12 is 5-15 mm, the short grooves 12 correspond to positioning blocks of hooks at the upper end of the fork and are used for fixing the upper end of the fork, the forks are fixed in different short grooves, the width of the two forks can be adjusted, and therefore the fork type feeding device is suitable for the lengths of different materials.
The upper end of the upper cross beam 3 close to one side of the pull rod supporting piece is provided with an upper inclined plane, and the thickness of the upper end of the upper inclined plane is smaller than that of the lower end of the upper cross beam, so that the pallet fork can move transversely on the upper cross beam conveniently, and the pallet fork is prevented from being blocked.
The lower end face of the lower cross beam 1 is provided with a long groove 13, the long groove 13 is provided with one and is located in the middle of the lower cross beam 1, the length of the long groove 13 is larger than the width of the fork, when the fork is installed, the upper end of the fork is hung in the middle of the upper cross beam 3, at the moment, a hook at the lower end of the fork stretches into the long groove 13, then the fork is transversely moved, the hook at the lower end of the fork transversely moves out of the range of the long groove 13, and the hook at the lower end of the fork hooks the lower end of the lower cross beam 1.
The lower end of one side of the lower cross beam 1 close to the pull rod supporting piece is provided with a lower inclined plane. The lower end thickness of the lower inclined plane is smaller than the upper end thickness, so that the pallet fork can move transversely on the lower cross beam conveniently, and the pallet fork is prevented from being blocked.
The utility model discloses a use method: when the movable arm support is used, the pull rod support is hinged with a pull rod of a loader through a pull rod connecting hole, and the movable arm support is hinged with a movable arm of the loader through a movable arm connecting hole.
Hang the upper end of fork at the middle part of entablature 3, the couple of fork lower extreme stretches into in long slot 13 this moment, then the sideslip fork, the couple of fork lower extreme violently shifts out the scope of long slot 13, the couple that makes the fork lower extreme catches on the lower extreme of bottom end rail 1, thereby make the fork can not deviate from, the short slot of entablature can be used for the fixed and location of fork upper end, through fixing the fork in the short slot of difference, can adjust the width of two forks, thereby adapt to the length of different materials.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.