CN218343181U - Integrated balance weight type steering axle and forklift - Google Patents
Integrated balance weight type steering axle and forklift Download PDFInfo
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- CN218343181U CN218343181U CN202221485825.3U CN202221485825U CN218343181U CN 218343181 U CN218343181 U CN 218343181U CN 202221485825 U CN202221485825 U CN 202221485825U CN 218343181 U CN218343181 U CN 218343181U
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Abstract
The utility model discloses a balance weight type steering axle with an integrated structure, which comprises a balance weight body and a steering axle body, wherein the steering axle body comprises a steering oil cylinder, two piston ends of the steering oil cylinder are respectively connected with a steering knuckle through bearings, and the steering knuckle is movably connected with one end of a steering fork through a steering main pin; the other end that turns to the fork and balance weight body swing joint, the middle part that turns to the fork passes through damping spring and is connected with balance weight body. Simultaneously, the utility model also discloses a fork truck of the counter weight formula steer axle that has above-mentioned integrative structure. The utility model has the advantages that the balancing weight body and the steering axle body are connected into an integral structure through the oil cylinder fixing plate and the steering fork, and the installation is simple; the steering fork is connected with the balance weight body through a damping spring respectively, and when the road surface is uneven, the left wheel and the right wheel respectively absorb shock through respective damping spring, so that the damping mechanisms of the left wheel and the right wheel are completely the same and are mutually independent, and therefore independent shock absorption of the left wheel and the right wheel is realized.
Description
Technical Field
The utility model relates to a fork truck technical field, concretely relates to counter weight formula steer axle of a body structure with two kinds of functions of counter weight and steer axle.
Background
A steering axle and a balance weight in a balance weight type forklift are generally two parts which are respectively manufactured and then are respectively arranged on a forklift frame.
In addition, the left wheel and the right wheel of the forklift are arranged on a bridge body of the steering axle, and the bridge body is connected with the frame by an elastic unit, so that the whole shock absorption is realized. That is, the left and right wheels simultaneously realize the damping work, when turning, if the road surface of one side is uneven, then the whole shock attenuation leads to the shock attenuation effect not good. How to realize carrying out independent shock attenuation to left and right sides wheel is the main means that improves the shock attenuation effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a balancing weight formula steer axle of a body structure reduces the installation procedure to can realize controlling the independent shock attenuation of wheel.
The technical scheme of the utility model as follows:
the balance weight type steering axle with the integrated structure comprises a balance weight body and a steering axle body, wherein the steering axle body comprises a steering oil cylinder, two piston ends of the steering oil cylinder are respectively connected with a steering knuckle through bearings, and the steering knuckle is movably connected with one end of a steering fork through a steering main pin; the other end that turns to the fork and balance weight body swing joint, the middle part that turns to the fork passes through damping spring and is connected with balance weight body.
In a further scheme, one side of the bottom end of the balance weight body is provided with a groove with a horizontal opening, and the two steering forks are symmetrically arranged in the groove.
According to a further scheme, a stepped shaft is fixedly mounted on the inner side wall of the groove and is movably connected with the end part of the steering fork; and spring mounting seats are symmetrically and fixedly arranged on the balance weight body positioned at the outer sides of the two ends of the groove, and spring columns for penetrating and sleeving the damping springs are fixedly arranged on the spring mounting seats.
Preferably, a limiting upper boss is fixedly arranged on the balance weight body positioned on the outer side of the spring mounting seat and used for limiting the upper end face of the steering fork; the upper edge of the bottom end face of the groove forms a limiting lower boss for limiting the lower end face of the steering fork.
In a further scheme, a fixing hole is formed in the top side wall of the groove and used for installing an oil cylinder fixing plate.
In a further scheme, the steering oil cylinder is fixedly connected with the counterweight body through an oil cylinder fixing plate.
In a further scheme, the steering fork comprises a connecting handle and a fork body, wherein a through hole is formed in the end part of the connecting handle, and a threaded hole is formed in the middle of the connecting handle; the fork body is provided with a pin hole.
In a further scheme, a locking device is installed at the bottom end of the threaded hole.
Another object of the present application is to provide a forklift truck having the above counterweight type steering axle of unitary construction.
The utility model discloses well balanced heavy body and steering axle body pass through hydro-cylinder fixed plate, steering fork and connect into an organic whole structure. The structure is simple, and the whole body is mounted on the frame during mounting, so that the mounting procedures are reduced.
The utility model discloses well knuckle left side, bulb rod end joint bearing, turn to the fork left side, steering cylinder, turn to the fork right side, bulb rod end joint bearing, the knuckle right side is constituteed and is turned to required trapezoidal that turns to, under the flexible drive of steering cylinder left and right sides, the knuckle left side, the knuckle right side rotate round the kingpin respectively to reach the required steering angle of whole car, realize turning to the function.
One end of the steering fork is movably connected with the balance weight body through a stepped shaft, and the other end of the steering fork is movably connected with the steering knuckle through a steering main pin.
Because the steering fork and the steering knuckle are symmetrical parts, the steering fork is connected with the balance weight body through a damping spring respectively, and when the road surface is uneven, the left wheel and the right wheel are damped through respective damping springs respectively, so that the damping mechanisms of the left wheel and the right wheel are completely the same and are mutually independent, and the independent damping of the left wheel and the right wheel is realized.
When the road surface is not level, turn to the fork and upwards rotate and compress damping spring, when upwards turning to certain angle (generally 2.5 ~ 3 degrees), the up end of turning to the fork contacts with the spacing boss on the balancing weight body, plays mechanical limiting action, prevents that its angle is too big. When the balance weight type steering axle is integrally hoisted, the lower end face of the steering fork is in contact with the limiting lower boss of the balance weight body and is prevented from rotating downwards, so that the scattered frames are integrally separated.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of the balancing weight of the present invention;
FIG. 4 is a schematic structural view of a steering fork of the present invention;
in the figure: the steering knuckle comprises a left steering knuckle 1, a main steering pin 2, a bearing 3, a left steering fork 4, an upper end surface 41, a threaded hole 42, a lower end surface 43, a through hole 44 and a pin hole 45; the device comprises a gasket 5, a locking nut 6, a steering oil cylinder 7, a balance weight body 8, a limiting upper boss 81, a spring mounting seat 82, a stepped shaft 83, a limiting lower boss 84, a fixing hole 85 and a spring mounting column 86; the hydraulic steering device comprises an oil cylinder fixing plate 9, a damping spring 10, a locking device 11, a steering fork right 12 and a steering knuckle right 13.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Example 1:
as shown in fig. 1-4, the counterweight type steering axle with an integrated structure comprises a counterweight body 8 and a steering axle body, wherein the steering axle body comprises a steering oil cylinder 7, two piston ends of the steering oil cylinder 7 are respectively connected with a left steering knuckle 1 and a right steering knuckle 13 through a bearing 3, the left steering knuckle 1 is movably connected with one end of a left steering fork 4 through a steering main pin 2, and the right steering knuckle 13 is movably connected with one end of a right steering fork 12 through the steering main pin 2; the other ends of the left steering fork 4 and the right steering fork 12 are movably connected with the balance weight body 8, and the middle parts of the two steering forks are connected with the balance weight body 8 through damping springs 10. Namely, the steering axle body is of a bilateral symmetry structure, the bearing 3, the steering knuckle, the steering kingpin 2 and the steering fork are symmetrically and sequentially connected to two piston ends of the steering oil cylinder 7, and the left steering knuckle 1, the right steering knuckle 13, the left steering fork 4 and the right steering fork 12 are bilateral symmetry parts.
The utility model discloses well bearing 3 selects for bulb rod end joint bearing, as shown in fig. 1, 2, knuckle left 1, bulb rod end joint bearing, the left 4 of steering fork, steering cylinder 7, the right 12 of steering fork, bulb rod end joint bearing, the knuckle right side 13 is constituteed and is turned to required steering trapezoid.
When the steering oil cylinder 7 works, the left steering knuckle 1 or the right steering knuckle 13 is driven to rotate around the steering main pin 2 through the ball head rod end joint bearing, so that the whole rotating process is stable, and deflection cannot be generated.
In a further scheme, as shown in fig. 3, a groove with a horizontal opening is formed in one side of the bottom end of the balance weight body 8, and the two steering forks are symmetrically installed in the groove. A stepped shaft 83 is fixedly arranged on the inner side wall of the groove, and the stepped shaft 83 is movably connected with the end part of the steering fork; and spring installation seats 82 are symmetrically and fixedly arranged on the balance weight body 8 positioned outside the two ends of the groove, and spring columns 86 used for penetrating and sleeving the damping springs 10 are fixedly arranged on the spring installation seats 82.
A limiting upper boss 81 is fixedly arranged on the balance weight body 8 positioned on the outer side of the spring mounting seat 82 and used for limiting the upper end face of the steering fork; the upper edge of the bottom end face of the groove forms a lower limit boss 84 that limits the lower end face of the steering fork.
As shown in fig. 4, the steering fork comprises a connecting handle and a fork body, wherein a through hole 44 is formed at the end part of the connecting handle, and a threaded hole 42 is formed in the middle of the connecting handle; the fork body is provided with a pin hole 45.
When the steering fork is installed, the through hole 44 at the end part of the connecting handle is inserted into the stepped shaft 83 on the balance weight body 8, and the gasket 5 and the locknut 6 are used for fastening the tail end of the stepped shaft 83, so that the steering fork can rotate around the stepped shaft 83; the damping spring 10 is sleeved on the spring post 86, and the top end of the damping spring is connected with the spring mounting seat 82; the bottom end of the damping spring 10 abuts against the steering fork, the bottom end of the spring post 86 penetrates through the damping spring 10 and then is inserted into the threaded hole 42 of the connecting handle to be fixed through the locking device 11, the locking device 11 comprises a bolt screwed in at the bottom end of the threaded hole 42 and a nut for locking the outside of the bolt, and the end part of the bolt is in contact with the spring post 86. In addition, the knuckle is caught in the fork body of the steering fork and connected to the knuckle after the kingpin 2 passes through the pin hole 45.
The left wheel structure is taken as an example to explain how the wheel can realize the shock absorption function when the road is uneven. The bottom of the stepped shaft 83 of the balance weight body 8 is a smooth shaft which is matched with the through hole 44 of the steering fork left 4 and then is fastened by the gasket 5 and the locking nut 6, so that the steering fork left 4 can rotate around the stepped shaft 83, and the damping spring 10 is installed in a combined connection mode through the spring installation seat 82 of the balance weight body 8, the spring column 86, the threaded hole 42 of the steering fork left 4 and the locking device 11. Taking a left turn (left side of a driver position) as an example, the left end of a piston of a steering oil cylinder 7 extends leftwards, a left end 1 of a steering knuckle is pushed to rotate clockwise (from top to bottom) around a steering main pin 2 through a ball head rod end joint bearing, meanwhile, the right end of the piston of the steering oil cylinder 7 contracts leftwards, and a right end 13 of the steering knuckle is driven to rotate clockwise (from top to bottom) around the steering main pin 2 through the ball head rod end joint bearing; at the moment, the axes of the two rear wheels and the axis of the front wheel intersect at a point on the left side of the vehicle body, namely the instantaneous rotation center, and the forklift turns left around the rotation center.
When the road surface is not flat, the steering fork left 4 rotates upwards and compresses the damping spring 10, and the damping effect is achieved under the action of the spring force. The left and right wheel damping mechanisms are completely the same and are mutually independent, so that independent damping of the left and right wheels is realized.
Preferably, a limiting upper boss 81 is fixedly arranged on the balance weight body 8 positioned outside the spring mounting seat 82 and used for limiting the upper end surface of the steering fork; the upper edge of the bottom end face of the groove forms a lower limiting boss 84 for limiting the lower end face of the steering fork.
When the steering fork rotates upwards to a certain angle (generally 2.5-3 degrees), the upper end surface 41 of the left 4 of the steering fork contacts with the upper limit boss 81 of the balance weight body 8, so that the mechanical limit effect is achieved, and the rotation angle is prevented from being too large. When the balance weight type steering axle is integrally hoisted, the lower end surface 43 of the steering fork left 4 is contacted with the lower limit boss 84 of the balance weight body 8 under the action of gravity, so that the balance weight type steering axle is prevented from downwards rotating, and the scattered frames are integrally separated.
In this embodiment, the steering cylinder 7 is fixedly connected to the counterweight body 8 through a cylinder fixing plate 9. And a fixing hole 85 is formed in the top side wall of the groove and used for installing the oil cylinder fixing plate 9. Thereby connecting the steering cylinder 7 and the balance weight body 8 into a whole.
Example 2:
another object of the present application is to provide a forklift truck having the above counterweight type steering axle of unitary construction. The specific structure of the counter-weight steer axle is as described in example 1.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, but not for limiting the scope of the present invention, and the modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall into the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. The utility model provides a counter weight formula steer axle of body structure, including counter weight body (8) and steer axle body, its characterized in that: the steering axle body comprises a steering oil cylinder (7), two piston ends of the steering oil cylinder (7) are respectively connected with a steering knuckle through a bearing (3), and the steering knuckle is movably connected with one end of a steering fork through a steering main pin (2); the other end of the steering fork is movably connected with the balance weight body (8), and the middle part of the steering fork is connected with the balance weight body (8) through a damping spring (10);
one side of the bottom end of the balance weight body (8) is provided with a groove with a horizontal opening, and the two steering forks are symmetrically arranged in the groove; a stepped shaft (83) is fixedly mounted on the inner side wall of the groove, and the stepped shaft (83) is movably connected with the end part of the steering fork; spring mounting seats (82) are symmetrically and fixedly arranged on the balance weight body (8) positioned at the outer sides of the two ends of the groove, and spring columns (86) used for penetrating and sleeving the damping springs (10) are fixedly arranged on the spring mounting seats (82);
a limiting upper lug boss (81) is fixedly arranged on the balance weight body (8) positioned on the outer side of the spring mounting seat (82) and used for limiting the upper end surface of the steering fork; the upper edge of the bottom end face of the groove forms a limiting lower boss (84) for limiting the lower end face of the steering fork.
2. The integrally constructed bogie axle of claim 1, wherein: the top side wall of the groove is provided with a fixing hole (85).
3. The integrally constructed bogie axle of claim 1, wherein: the steering oil cylinder (7) is fixedly connected with the balance weight body (8) through an oil cylinder fixing plate (9).
4. The integrally constructed bogie axle of claim 1, wherein: the steering fork comprises a connecting handle and a fork body, a through hole (44) is formed in the end part of the connecting handle, and a threaded hole (42) is formed in the middle of the connecting handle; the fork body is provided with a pin hole (45).
5. The integrally constructed bogie axle of claim 4 wherein: and a locking device (11) is arranged at the bottom end of the threaded hole (42).
6. A forklift, characterized in that: the forklift has a counterweight steer axle of unitary construction as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221485825.3U CN218343181U (en) | 2022-06-14 | 2022-06-14 | Integrated balance weight type steering axle and forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221485825.3U CN218343181U (en) | 2022-06-14 | 2022-06-14 | Integrated balance weight type steering axle and forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218343181U true CN218343181U (en) | 2023-01-20 |
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ID=84921925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221485825.3U Active CN218343181U (en) | 2022-06-14 | 2022-06-14 | Integrated balance weight type steering axle and forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218343181U (en) |
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2022
- 2022-06-14 CN CN202221485825.3U patent/CN218343181U/en active Active
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