CN216971914U - Outer portal frame of forklift and upper cross beam thereof - Google Patents
Outer portal frame of forklift and upper cross beam thereof Download PDFInfo
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- CN216971914U CN216971914U CN202220026423.0U CN202220026423U CN216971914U CN 216971914 U CN216971914 U CN 216971914U CN 202220026423 U CN202220026423 U CN 202220026423U CN 216971914 U CN216971914 U CN 216971914U
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- connecting plate
- forklift
- outer mast
- side beam
- upper cross
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Abstract
The utility model discloses a forklift outer portal frame and an upper cross beam thereof, which comprise a bracket body formed by integral casting, wherein the bracket body comprises a straight beam, a first side beam, a second side beam, a first connecting plate and a second connecting plate; the first side beam and the second side beam are symmetrically arranged at two ends of the straight beam and are inclined towards the inner side of the outer door frame relative to the straight beam; the first connecting plate is arranged on one side of the first side beam opposite to the second side beam and is used for being welded with the left channel steel; the second connecting plate sets up in the second curb girder one side relative with first curb girder, and the second connecting plate is used for with right channel-section steel welding. According to the utility model, a plurality of parts are integrated into a single integral structure through an integral casting molding process, so that the bearing strength of a larger load can be achieved, cutting, connecting, polishing and most of welding procedures are omitted, the assembly efficiency is improved, and the reliability and stability of the whole vehicle are effectively improved.
Description
Technical Field
The utility model relates to the technical field of forklifts, in particular to a forklift outer portal frame and an upper cross beam thereof.
Background
The outer gantry of the forklift is connected with the whole frame structure and the gantry structure. In order to make the gantry capable of bearing large load, an upper cross beam assembly must be added on the outer gantry to ensure sufficient rigidity and strength.
The upper beam in the prior art is usually formed by welding a straight beam, a beam side plate and a rib plate into an upper beam, and then is welded on an outer portal channel steel, so that the problems of complex structure, large number of parts, more welding areas and the like exist, the welding stress concentration and the welding deformation are easily caused, the size precision is not easy to control, and the product is heavy, has adverse effect on the anti-bending and twisting capacity of the outer portal, and causes the dead weight of the whole vehicle to be larger.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides a forklift outer gantry and an upper cross beam thereof.
The utility model provides a forklift outer portal frame and an upper cross beam thereof, which comprise a bracket body formed by integral casting, wherein the bracket body comprises a straight beam, a first side beam, a second side beam, a first connecting plate and a second connecting plate;
the first side beam and the second side beam are symmetrically arranged at two ends of the straight beam and are inclined towards the inner side of the outer door frame relative to the straight beam;
the first connecting plate is arranged on one side of the first side beam opposite to the second side beam and used for being welded with the left channel steel;
the second connecting plate is arranged on one side of the second side beam opposite to the first side beam and is used for being welded with the right channel steel.
Preferably, the straight beam is provided with a mounting hole for the chain.
Preferably, the straight beam is provided with a first process through hole.
Preferably, the bracket body is provided with a weight reduction groove.
Preferably, the second connecting plate forms a first avoidance groove at a connection point of one end of the second connecting plate, which is far away from the straight beam, and the second side beam.
Preferably, the bracket body further comprises a third connecting plate and a fourth connecting plate, the third connecting plate is vertically arranged at the bottom of one end, close to the left channel steel or the right channel steel, of the straight beam, the fourth connecting plate is horizontally arranged at the bottom end of the third connecting plate, and the fourth connecting plate faces towards the inner side of the outer door frame;
the fourth connecting plate is provided with a second avoidance groove for avoiding the lifting oil cylinder, and the fourth connecting plate is provided with a lifting oil cylinder mounting hole for being connected with the bottom of the lifting oil cylinder.
Preferably, the fourth connecting plate is formed with a welding surface for welding with the left or right channel steel.
Preferably, the first connecting plate is provided with a first chain wheel mounting hole, and the second connecting plate is provided with a second chain wheel mounting hole at the position corresponding to the first chain wheel mounting hole.
Preferably, the first connecting plate and the second connecting plate are correspondingly provided with second process through holes.
The utility model also provides a forklift outer mast, which comprises: right channel-section steel, left channel-section steel and the entablature of above-mentioned arbitrary one.
According to the outer portal frame of the forklift and the upper cross beam of the outer portal frame, a plurality of parts are integrated into a single integral structure through an integral casting molding process, so that the outer portal frame of the forklift has higher load bearing strength, the number of the parts required during assembly is reduced, cutting, connecting, polishing and most of welding procedures are omitted, the production cost is reduced, the assembly efficiency is improved, and the reliability and the stability of the whole forklift are effectively improved.
Drawings
Fig. 1 is a schematic perspective view of an upper cross beam of an outer mast of a forklift truck according to the first embodiment of the utility model.
Fig. 2 is a schematic perspective view of an upper cross beam of the outer mast of the forklift truck according to the second embodiment of the present invention.
Fig. 3 is a schematic top view of an upper cross beam of an outer mast of a forklift truck according to the present invention.
Fig. 4 is a schematic structural diagram of an outer mast of a forklift truck according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, the utility model provides an upper cross beam of a forklift outer mast, which comprises: the support comprises a support body formed by integral casting, wherein the support body comprises a straight beam 1, a first side beam, a second side beam 2, a first connecting plate 3 and a second connecting plate 4;
the first side beam and the second side beam 2 are symmetrically arranged at two ends of the straight beam 1 and are inclined towards the inner side of the outer gantry relative to the straight beam 1;
the first connecting plate 3 is arranged on one side, close to the second side beam 2, of the first side beam, and the first connecting plate 3 is used for being welded with the left channel steel;
the second connecting plate 4 is arranged on one side, close to the first side beam, of the second side beam 2, and the second connecting plate 4 is used for being welded with the outer surface of the right channel steel.
According to the utility model, a plurality of parts are integrated into a single integral structure through an integral casting molding process, so that the bearing strength of a larger load can be achieved, the number of parts required during assembly is reduced, cutting, connecting, polishing and most of welding procedures are omitted, the production cost is reduced, the assembly efficiency is improved, and the reliability and stability of the whole vehicle are effectively improved.
In this embodiment, the straight beam 1 is opened with a chain mounting hole 11 for fixing with a chain. The number, size and position of the chain mounting holes 11 are designed according to the needs, and are not limited herein.
Of course, the first side beam and the second side beam 2 are also provided with chain mounting holes 11.
In order to reduce the weight of the bracket body, in this embodiment, the bracket body is provided with a lightening groove.
In this embodiment, the weight-reducing groove includes: the first groove 13 is arranged on the top surface of the straight beam 1 along the length direction of the straight beam 1, and the second groove is arranged on the bottom surface of the straight beam 1 along the length direction of the straight beam 1. Therefore, the cross section of the straight beam 1 is in an I shape due to the arrangement of the first groove 13 and the second groove, and the weight is greatly reduced while the structural strength is ensured.
Of course, in order to further reduce the weight, in the present embodiment, the weight-reduction grooves further include third grooves 21 opened in the top surfaces of the first and second side members 2 and fourth grooves opened in the bottom surfaces of the first and second side members 2.
In a further embodiment, the first recess 13 communicates with the third recess 21.
In a further embodiment, the second groove communicates with the fourth groove.
In the embodiment, the straight beam 1 is provided with the first technical through hole 12, so that the weight reduction target is achieved, and meanwhile, the function of avoiding water accumulation of the first groove 13 is achieved.
In this embodiment, the second connecting plate 4 is away from the part close to the connection between the end of the straight beam and the second side beam 2 to form a first avoiding groove 22, the first avoiding groove 22 is convenient for the tool retracting during machining, and the interference risk caused by the closed angle on the left channel steel during the fitting welding can be avoided very conveniently.
In the present embodiment, the first side member is arranged perpendicular to the straight member 1, and the second side member 2 is arranged perpendicular to the straight member 1.
In order to facilitate installation of the lifting oil cylinder and the lifting oil cylinder, in the embodiment, the support body further comprises a third connecting plate 5 and a fourth connecting plate 6, the third connecting plate 5 is vertically arranged at the bottom of one end, close to the left channel steel or the right channel steel, of the straight beam 1, the fourth connecting plate 6 is horizontally arranged at the bottom end of the third connecting plate 5, and the fourth connecting plate 6 faces towards the inner side of the outer gantry;
the fourth connecting plate 6 is provided with a second avoidance groove 62 for avoiding the lifting oil cylinder, and the fourth connecting plate 6 is provided with a lifting oil cylinder mounting hole 61 for connecting the bottom of the lifting oil cylinder.
Wherein, the second avoiding groove 62 is an arc-shaped groove matched with the lifting oil cylinder.
In a further embodiment, the fourth connecting plate 6 is formed with a welding face 63 for welding with the left or right channel steel to increase the connection strength of the fourth connecting plate 6 with the left or right channel steel, thereby increasing the rigidity and strength of the bracket body.
In a further embodiment, the welding surface 63 is an L-shaped welding surface to further increase the connection strength between the fourth connecting plate 6 and the left or right channel.
Wherein, the junction of two weld faces of L type weld face is formed with the third and dodges the groove, and the third dodges setting up of groove and is convenient for the tool withdrawal of machining man-hour, can also very conveniently avoid the interference risk that closed angle brought when the cooperation welding on the right channel-section steel.
In a further embodiment, the third connecting plate 5 is provided with third through holes for further weight reduction.
In this embodiment, the first connecting plate 3 has a first sprocket mounting hole, and the second connecting plate 4 has a second sprocket mounting hole 41 corresponding to the first sprocket mounting hole.
In a further embodiment, the first connecting plate 3 and the second connecting plate 4 are correspondingly provided with second process through holes 42, so that the length of the welding seam between the first connecting plate 3 and the corresponding channel steel and the length of the welding seam between the second connecting plate 4 and the corresponding channel steel are increased, the welding strength is improved, and the processing of a large plane can be reduced.
In a further embodiment, the second through-tooling holes 42 are oblong.
Of course, the straight beam 1, the first side beam and the second side beam 2 are provided with assembling holes for installing and fixing various wire harnesses, valves and the like according to various requirements of the whole vehicle and end users.
As shown in fig. 4, the utility model further provides a forklift outer mast, which comprises a right channel steel, a left channel steel and the upper cross beam.
In this embodiment, because the outer mast of the forklift truck includes the upper beam described in any one of the above embodiments, all the beneficial effects of the upper beam are achieved, and the description is omitted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. The upper cross beam of the forklift outer gantry is characterized by comprising a bracket body which is integrally cast, wherein the bracket body comprises a straight beam (1), a first side beam, a second side beam (2), a first connecting plate (3) and a second connecting plate (4);
the first side beam and the second side beam (2) are symmetrically arranged at two ends of the straight beam (1) and are inclined towards the inner side of the outer gantry relative to the straight beam (1);
the first connecting plate (3) is arranged on one side of the first side beam opposite to the second side beam (2), and the first connecting plate (3) is used for being welded with the left channel steel;
the second connecting plate (4) is arranged on one side of the second side beam (2) opposite to the first side beam, and the second connecting plate (4) is used for being welded with the right channel steel.
2. The upper crossbeam of a forklift outer mast according to claim 1, characterised in that the straight beam (1) is provided with a mounting hole (11) for a chain.
3. The upper cross beam of the outer mast of the forklift truck as claimed in claim 1, wherein the straight beam (1) is provided with a first technical through hole (12).
4. The upper crosspiece of an outer mast of a fork-lift truck according to claim 1, characterised in that the second connecting plate (4) forms a first avoidance slot (22) away from the connection of the end near the straight beam with the second side beam (2).
5. The upper beam of the outer mast of the forklift truck as claimed in claim 1, wherein the first connecting plate (3) is provided with a first sprocket mounting hole, and the second connecting plate (4) is provided with a second sprocket mounting hole (41) at a position corresponding to the first sprocket mounting hole.
6. The upper cross beam of the forklift outer mast according to claim 1, wherein the first connecting plate (3) and the second connecting plate (4) are correspondingly provided with second technical through holes (42).
7. The upper cross beam of the outer mast of the forklift truck as claimed in claim 1, wherein the bracket body further comprises a third connecting plate (5) and a fourth connecting plate (6), the third connecting plate (5) is vertically arranged at the bottom of one end of the straight beam (1) close to the left or right channel steel, the fourth connecting plate (6) is horizontally arranged at the bottom end of the third connecting plate (5), and the fourth connecting plate (6) faces to the inner side of the outer mast;
and a second avoiding groove (62) for avoiding the lifting oil cylinder and a lifting oil cylinder mounting hole (61) connected with the bottom of the lifting oil cylinder are formed in the fourth connecting plate (6).
8. The upper cross member of the outer mast of the forklift truck as claimed in claim 7, characterised in that the fourth connecting plate (6) is formed with a welding face (63) for welding with the left or right channel.
9. The upper cross beam of the outer mast of the forklift truck as claimed in any one of claims 1 to 8, wherein the bracket body is provided with a weight-reducing groove.
10. A forklift outer mast, comprising: right and left channels and the upper beam according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026423.0U CN216971914U (en) | 2022-01-05 | 2022-01-05 | Outer portal frame of forklift and upper cross beam thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026423.0U CN216971914U (en) | 2022-01-05 | 2022-01-05 | Outer portal frame of forklift and upper cross beam thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216971914U true CN216971914U (en) | 2022-07-15 |
Family
ID=82349468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220026423.0U Active CN216971914U (en) | 2022-01-05 | 2022-01-05 | Outer portal frame of forklift and upper cross beam thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216971914U (en) |
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2022
- 2022-01-05 CN CN202220026423.0U patent/CN216971914U/en active Active
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