CN215851160U - Wheelbase steering axle for forklift - Google Patents
Wheelbase steering axle for forklift Download PDFInfo
- Publication number
- CN215851160U CN215851160U CN202122387646.8U CN202122387646U CN215851160U CN 215851160 U CN215851160 U CN 215851160U CN 202122387646 U CN202122387646 U CN 202122387646U CN 215851160 U CN215851160 U CN 215851160U
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- steering
- hydraulic cylinder
- fixedly connected
- swing arm
- sleeve
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Abstract
The utility model discloses a wheelbase steering axle for a forklift, which comprises an axle body, wherein a fixing plate is fixedly connected to the inner side wall of the axle body; the sliding sleeve is fixedly connected to the side wall of the bridge body; the connecting rod is arranged on the inner side wall of the sliding sleeve, and the outer walls of the two ends of the connecting rod penetrate through the sliding sleeve and are in sliding connection with the sliding sleeve. According to the utility model, the support seat is abutted against the ground by the extending action of the extending shaft of the lifting hydraulic cylinder, the bridge body can be lifted by the continuous extending of the lifting hydraulic cylinder so that the solid tires are lifted off the ground, the wheel distance adjustment and the tire maintenance work are convenient, when the lifting assembly is lifted, the distance between the two solid tires can be adjusted through the extending and retracting of the wheel distance adjusting hydraulic cylinder, the steering angle can be adjusted by adjusting the distance between the steering swing arm and the steering hydraulic cylinder through the steering adjusting assembly, and the steering angle can be adjusted, so that a larger turning radius can be obtained, and the steering device can be applied to an ultra-small turning radius scene under a common load.
Description
Technical Field
The utility model relates to the technical field of forklifts, in particular to a wheelbase steering axle for a forklift.
Background
The existing steering axle for the forklift is generally a transverse oil cylinder type steering axle, and a left steering swing arm and a right steering swing arm are pushed to swing by two ends of a through piston rod of a transverse steering oil cylinder, so that a left steering wheel and a right steering wheel deflect by taking a rotating pin as a circle center, and the steering of the forklift is realized.
The existing forklift is generally provided with a steering axle at the rear wheel for being more flexible and reducing the turning radius, and the axle distance is shortened, but the wheel distance of the existing forklift is generally fixedly arranged, the turning angle is not adjustable, and the existing forklift cannot be adjusted when a smaller turning radius is needed in some scenes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a wheelbase steering axle for a forklift.
In order to achieve the purpose, the utility model adopts the following technical scheme: a wheelbase steering axle for a forklift comprises an axle body, wherein a fixing plate is fixedly connected to the inner side wall of the axle body; the sliding sleeve is fixedly connected to the side wall of the bridge body; the connecting rod is arranged on the inner side wall of the sliding sleeve, the outer walls of two ends of the connecting rod penetrate through the sliding sleeve and are in sliding connection with the sliding sleeve, and a wheel track adjusting assembly for adjusting the extending length of the connecting rod is arranged between the connecting rod and the fixed plate; the rotating sleeve is rotatably connected to the inner side of one end, extending out of the sliding sleeve, of the connecting rod through a first rotating pin, the outer wall of one side, far away from the connecting rod, of the rotating sleeve is fixedly connected with a rotating shaft, and one end, far away from the rotating sleeve, of the rotating shaft is rotatably connected with a solid tire; the shifting fork is fixedly connected to the outer wall of the rotating sleeve, an included angle between the shifting fork and the rotating shaft is ninety degrees, and one end of the shifting fork, far away from the rotating sleeve, is rotatably connected with a steering connecting assembly; the steering driving assembly is arranged on the lower wall of the inner side of the axle body, and a steering adjusting assembly is arranged between the steering driving assembly and the steering connecting assembly; the lifting component is arranged on the inner side wall of the bridge body and used for lifting.
As a further description of the above technical solution:
the wheel track adjusting assembly comprises a wheel track adjusting hydraulic cylinder and a first connecting sleeve, the wheel track adjusting hydraulic cylinder is fixedly connected to one side, far away from the connecting rod, of the fixing plate, the outer wall of an extension shaft of the wheel track adjusting hydraulic cylinder penetrates through the fixing plate, and the first connecting sleeve is fixedly connected between one end, far away from the rotating sleeve, of the extension shaft of the wheel track adjusting hydraulic cylinder and one end, far away from the rotating sleeve, of the connecting rod.
As a further description of the above technical solution:
the steering driving assembly fixing seat is fixedly connected to the lower wall of the inner side of the bridge body, and the steering hydraulic cylinder is fixedly connected between the fixing seat and the lower wall of the inner side of the bridge body.
As a further description of the above technical solution:
the steering adjusting assembly connector and the swing arm adjusting hydraulic cylinder are connected, the end portion of the extending shaft of the swing arm adjusting hydraulic cylinder is fixedly connected to the end portion of the extending shaft of the steering hydraulic cylinder through a second connecting sleeve, and the connector is fixedly connected to one end, far away from the second connecting sleeve, of the swing arm adjusting hydraulic cylinder.
As a further description of the above technical solution:
the steering connection assembly is characterized by comprising a third rotating pin, a steering swing arm and a second rotating pin, wherein the steering swing arm is connected with one end, far away from a swing arm adjusting hydraulic cylinder, of a joint in a rotating mode, one end, far away from the joint, of the steering swing arm is connected with a shifting fork in a rotating mode, the third rotating pin is connected between the steering swing arm and the joint in a rotating mode, and the second rotating pin is connected between the shifting fork and the steering swing arm in a rotating mode.
As a further description of the above technical solution:
the lifting assembly comprises a lifting hydraulic cylinder and a supporting seat, the lifting hydraulic cylinder is fixedly connected to the upper wall of the inner side of the bridge body, the outer wall of a projecting shaft of the lifting hydraulic cylinder penetrates through the lower wall of the bridge body and is in sliding connection with the lower wall of the bridge body, and the supporting seat is fixedly connected to the end portion of the projecting shaft of the lifting hydraulic cylinder.
The utility model has the following beneficial effects:
1. compared with the prior art, the wheelbase steering axle for the forklift is characterized in that the extension shaft of the lifting hydraulic cylinder is used for extending, so that the supporting seat is abutted against the ground, and the lifting hydraulic cylinder is extended continuously to lift the axle body to lift the solid tire off the ground, so that the wheelbase is convenient to adjust and the tire is convenient to maintain.
2. Compared with the prior art, the wheelbase steering axle for the forklift can adjust the distance between two solid tires by extending and retracting the wheel base adjusting hydraulic cylinder after the lifting component is lifted, can adjust the steering angle by adjusting the distance between the steering swing arm and the steering hydraulic cylinder by the steering adjusting component, can obtain larger turning radius, can be applied to an ultra-small turning radius scene under general load,
drawings
Fig. 1 is a schematic overall structure diagram of a wheelbase steering axle for a forklift truck according to the present invention;
FIG. 2 is a top view of the overall structure of a truck-mounted axle-base steering axle according to the present invention;
FIG. 3 is a cross-sectional view of the internal structure of a truck body of a truck-used wheelbase steer axle according to the present invention;
FIG. 4 is a schematic view of a connecting structure of a rotating sleeve, a rotating shaft and a shifting fork of the wheelbase steering axle for the forklift truck, which is provided by the utility model;
FIG. 5 is a schematic view of a link structure of a wheelbase steering axle for a forklift truck according to the present invention;
fig. 6 is a schematic structural view of a sliding sleeve of a wheelbase steering axle for a forklift truck according to the present invention.
Illustration of the drawings:
1. a bridge body; 2. a sliding sleeve; 3. a connecting rod; 4. rotating the sleeve; 5. a first rotating pin; 6. a rotating shaft; 7. a shifting fork; 8. a steering swing arm; 9. a second pivot pin; 10. a solid tire; 11. a lifting hydraulic cylinder; 12. a supporting seat; 13. a fixing plate; 14. a wheel track adjusting hydraulic cylinder; 15. a first connecting sleeve; 16. a joint; 17. a third rotating pin; 18. a swing arm adjusting hydraulic cylinder; 19. a second connecting sleeve; 20. a fixed seat; 21. and a steering hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a wheel base steering axle for a forklift: the forklift truck comprises a bridge body 1, wherein the bridge body 1 is fixedly connected with a forklift chassis through the prior art, and a fixing plate 13 is fixedly connected to the inner side wall of the bridge body 1; a sliding sleeve 2 fixedly connected with the side wall of the bridge body 1; the connecting rod 3 is arranged on the inner side wall of the sliding sleeve 2, the outer walls of two ends of the connecting rod 3 penetrate through the sliding sleeve 2 and are in sliding connection with the sliding sleeve 2, and a wheel track adjusting assembly for adjusting the extending length of the connecting rod 3 is arranged between the connecting rod 3 and the fixing plate 13; a rotating sleeve 4 which is connected to the inner side of one end of the connecting rod 3 extending out of the sliding sleeve 2 in a rotating mode through a first rotating pin 5, the outer wall of one side, away from the connecting rod 3, of the rotating sleeve 4 is fixedly connected with a rotating shaft 6, and one end, away from the rotating sleeve 4, of the rotating shaft 6 is connected with a solid tire 10 in a rotating mode; the shifting fork 7 is fixedly connected to the outer wall of the rotating sleeve 4, an included angle between the shifting fork 7 and the rotating shaft 6 is ninety degrees, one end, far away from the rotating sleeve 4, of the shifting fork 7 is rotatably connected with a steering connecting assembly, and when the shifting fork 7 is pushed or pulled, the rotating sleeve 4 is correspondingly driven to rotate along the first rotating pin 5, so that the rotating shaft 6 fixedly connected to the outer wall of the rotating sleeve 4 and the solid tire 10 deflect, and steering is achieved; the steering driving assembly is used for driving the steering connecting assembly, the steering driving assembly is arranged on the lower wall of the inner side of the axle body 1, and a steering adjusting assembly is arranged between the steering driving assembly and the steering connecting assembly; and the lifting component is arranged on the inner side wall of the bridge body 1 and used for lifting.
The wheel track adjusting assembly comprises a wheel track adjusting hydraulic cylinder 14, a first connecting sleeve 15, the wheel track adjusting hydraulic cylinder 14 is fixedly connected to one side, far away from the connecting rod 3, of the fixing plate 13, the outer wall of an extending shaft of the wheel track adjusting hydraulic cylinder 14 penetrates through the fixing plate 13, the first connecting sleeve 15 is fixedly connected between one end, far away from the rotating sleeve 4, of one end, far away from the fixing plate 13, of the extending shaft of the wheel track adjusting hydraulic cylinder 14 and one end, far away from the rotating sleeve 4, of the connecting rod 3 and the rotating sleeve 4 can be driven to extend or retract, and therefore the wheel track between the solid tires 10 can be adjusted.
A steering drive component fixing seat 20 and a steering hydraulic cylinder 21, wherein the fixing seat 20 is fixedly connected with the inner lower wall of the bridge body 1, the steering hydraulic cylinder 21 is fixedly connected between the fixing seat 20 and the inner lower wall of the bridge body 1, the steering adjusting component joint 16 and a swing arm adjusting hydraulic cylinder 18 are arranged, the end part of an extending shaft of the swing arm adjusting hydraulic cylinder 18 is fixedly connected with the end part of the extending shaft of the steering hydraulic cylinder 21 through a second connecting sleeve 19, the joint 16 is fixedly connected with one end of the swing arm adjusting hydraulic cylinder 18 far away from the second connecting sleeve 19, a third rotating pin 17, a steering swing arm 8 and a second rotating pin 9 are arranged in the steering connecting component, the steering swing arm 8 is rotatably connected with one end of the joint 16 far away from the swing arm adjusting hydraulic cylinder 18, one end of the steering swing arm 8 far away from the joint 16 is rotatably connected with a shifting fork 7, the third rotating pin 17 is rotatably connected between the steering swing arm 8 and the joint 16, and the second rotating pin 9 is rotatably connected between the shifting fork 7 and the steering swing arm 8, through stretching out and retracting of the stretching shaft of the steering hydraulic cylinder 21, the steering connecting assembly is driven to drive the shifting fork 7 to steer, and when the wheel track adjusting assembly adjusts the wheel track, the position of the steering swing arm 8 is correspondingly adjusted through the swing arm adjusting hydraulic cylinder 18.
Lifting unit includes hydraulic cylinder 11, supporting seat 12, 11 fixed connection of hydraulic cylinder is at the inboard upper wall of pontic, 11 projecting shafts outer wall of hydraulic cylinder runs through 1 lower wall of pontic and sliding connection with it, 12 fixed connection of supporting seat are at 11 axle ends that stretch out of hydraulic cylinder, 11 projecting shafts of hydraulic cylinder support ground back through supporting seat 12, lift pontic 1 for solid tyre 10 liftoff, make things convenient for the wheel spacing and turn to 8 apart from adjusting of swing arm.
The working principle is as follows: the bridge body 1 is fixedly connected with a chassis of the forklift through the prior art, the steering connecting component is driven to drive the shifting fork 7 through the extension and retraction of the extension shaft of the steering hydraulic cylinder 21, the shifting fork 7 correspondingly drives the rotating sleeve 4 to rotate along the first rotating pin 5 when being pushed or pulled, thereby deflecting the rotating shaft 6 fixedly connected with the outer wall of the rotating sleeve 4 and the solid tyre 10 to realize steering, after the extending shaft of the lifting hydraulic cylinder 11 props against the ground through the supporting seat 12, the bridge body 1 is lifted, so that the solid tyre 10 is lifted off the ground, the wheel track and the distance of the steering swing arm 8 are conveniently adjusted, the extension or retraction of the extending shaft of the wheel track adjusting hydraulic cylinder 14 can drive the connecting rod 3 and the rotating sleeve 4 to extend or retract, thereby adjusting the wheel track between the solid tires 10, and when the wheel track adjusting component adjusts the wheel track, the swing arm adjusting hydraulic cylinder 18 correspondingly adjusts the position of the steering swing arm 8.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a wheel base steering axle for fork truck which characterized in that: the bridge comprises a bridge body (1), wherein a fixing plate (13) is fixedly connected to the inner side wall of the bridge body (1);
the sliding sleeve (2) is fixedly connected to the side wall of the bridge body (1);
the connecting rod (3) is arranged on the inner side wall of the sliding sleeve (2), the outer walls of two ends of the connecting rod (3) penetrate through the sliding sleeve (2) and are in sliding connection with the sliding sleeve, and a wheel track adjusting assembly used for adjusting the extending length of the connecting rod (3) is arranged between the connecting rod (3) and the fixing plate (13);
the rotating sleeve (4) is rotatably connected to the inner side of one end, extending out of the sliding sleeve (2), of the connecting rod (3) through a first rotating pin (5), the outer wall of one side, away from the connecting rod (3), of the rotating sleeve (4) is fixedly connected with a rotating shaft (6), and one end, away from the rotating sleeve (4), of the rotating shaft (6) is rotatably connected with a solid tire (10);
the shifting fork (7) is fixedly connected to the outer wall of the rotating sleeve (4) and forms an included angle of ninety degrees with the rotating shaft (6), and one end, far away from the rotating sleeve (4), of the shifting fork (7) is rotatably connected with a steering connecting assembly;
the steering driving assembly is used for driving the steering connecting assembly, the steering driving assembly is arranged on the lower wall of the inner side of the axle body (1), and a steering adjusting assembly is further arranged between the steering driving assembly and the steering connecting assembly;
the lifting component is arranged on the inner side wall of the bridge body (1) and used for lifting.
2. The wheel base steering axle for a forklift according to claim 1, characterized in that: the wheel track adjusting assembly comprises a wheel track adjusting hydraulic cylinder (14) and a first connecting sleeve (15), the wheel track adjusting hydraulic cylinder (14) is fixedly connected to one side, away from the connecting rod (3), of the fixing plate (13), the outer wall of an extending shaft of the wheel track adjusting hydraulic cylinder (14) penetrates through the fixing plate (13), and the first connecting sleeve (15) is fixedly connected between one end, extending shaft of the wheel track adjusting hydraulic cylinder (14), extending shaft of the fixing plate (13) and one end, away from the rotating sleeve (4), of the connecting rod (3).
3. The wheel base steering axle for a forklift according to claim 2, characterized in that: the steering driving assembly is characterized by comprising a fixed seat (20) and a steering hydraulic cylinder (21), wherein the fixed seat (20) is fixedly connected to the inner side lower wall of the axle body (1), and the steering hydraulic cylinder (21) is fixedly connected between the fixed seat (20) and the inner side lower wall of the axle body (1).
4. The wheel base steering axle for a forklift according to claim 3, characterized in that: the steering adjusting assembly joint (16) and the swing arm adjusting hydraulic cylinder (18) are connected, the end part of an extending shaft of the swing arm adjusting hydraulic cylinder (18) is fixedly connected to the end part of the extending shaft of the steering hydraulic cylinder (21) through a second connecting sleeve (19), and the joint (16) is fixedly connected to one end, far away from the second connecting sleeve (19), of the swing arm adjusting hydraulic cylinder (18).
5. The wheel base steering axle for a forklift according to claim 4, characterized in that: turn to coupling assembling third round pin (17), turn to swing arm (8) and second round pin (9), turn to swing arm (8) and rotate the one end of connecting keeping away from swing arm adjusting hydraulic cylinder (18) in joint (16), turn to the one end that swing arm (8) kept away from joint (16) and rotate with shift fork (7) and be connected, third round pin (17) are rotated and are connected and are turning to swing arm (8) and connect between (16), second round pin (9) are rotated and are connected between shift fork (7) and turn to swing arm (8).
6. The wheel base steering axle for a forklift according to claim 5, characterized in that: the lifting assembly comprises a lifting hydraulic cylinder (11) and a supporting seat (12), the lifting hydraulic cylinder (11) is fixedly connected to the inner side upper wall of the bridge body (1), the outer wall of an extending shaft of the lifting hydraulic cylinder (11) penetrates through the lower wall of the bridge body (1) and is in sliding connection with the lower wall of the bridge body, and the supporting seat (12) is fixedly connected to the end portion of the extending shaft of the lifting hydraulic cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122387646.8U CN215851160U (en) | 2021-09-30 | 2021-09-30 | Wheelbase steering axle for forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122387646.8U CN215851160U (en) | 2021-09-30 | 2021-09-30 | Wheelbase steering axle for forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215851160U true CN215851160U (en) | 2022-02-18 |
Family
ID=80262572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122387646.8U Active CN215851160U (en) | 2021-09-30 | 2021-09-30 | Wheelbase steering axle for forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215851160U (en) |
-
2021
- 2021-09-30 CN CN202122387646.8U patent/CN215851160U/en active Active
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