CN211494210U - Forklift steering system with automatic return function - Google Patents
Forklift steering system with automatic return function Download PDFInfo
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- CN211494210U CN211494210U CN201921376990.3U CN201921376990U CN211494210U CN 211494210 U CN211494210 U CN 211494210U CN 201921376990 U CN201921376990 U CN 201921376990U CN 211494210 U CN211494210 U CN 211494210U
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- steering column
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Abstract
The utility model discloses a fork truck steering system with automatic return function, steering wheel and the fastening connection of steering drive shaft top, steering drive shaft install in steering column, steering drive shaft's bottom and steering hydraulic system drive connection, steering hydraulic system and steering column bottom fixed connection, steering column's bottom and the lower part of steering system support assembly rotate to be connected, automatic return spring one end is connected the upper portion of steering system support assembly, the other end is connected on steering column; the automatic return spring is arranged between the steering system support assembly and the steering column and used for enabling the steering column to keep a contraction force which automatically leans forwards, the automatic return spring further comprises a locking assembly, when the locking assembly is screwed down, the steering column and the steering system support assembly are fixed, and when the locking assembly is unscrewed, the steering column and the steering system support assembly can rotate relatively. The utility model discloses when adjusting the steering wheel, avoided the a steering system to empty and hit the driver.
Description
Technical Field
The utility model relates to a fork truck technical field, in particular to fork truck a steering system with self return function.
Background
At present, most of forklift steering systems fix the whole steering system on a steering system support assembly by using a fastening bolt and locking bolt assembly, a sleeve and a locking nut. Because the operators are different in height, the operating system cannot be fixed at a certain fixed position, and the operators need to select a certain comfortable position according to the characteristics of the operators (height, arm length and the like) so as to avoid driving fatigue. When the position of a steering system needs to be adjusted, the locking bolt is loosened, the steering system is rotated by a certain angle, the steering system can rotate by a certain angle around the fastening bolt until the steering system is in a proper position, and then the locking bolt is screwed for positioning. The current angle adjustment mode of the steering system mainly has the following defects: 1. the position of the steering system is adjusted by a driver holding the steering wheel with one hand and operating the locking bolt with the other hand, so that the man-machine engineering is not coordinated; 2. when the angle is adjusted, the locking bolt needs to be loosened, the whole steering system freely topples under the action of gravity, operators are labor-consuming to adjust the angle, and legs of drivers are easy to hurt; according to the description, the steering system of the forklift cannot automatically return when the angle is adjusted at present, the man-machine engineering performance of the forklift is influenced, and certain potential safety hazards also exist.
Accordingly, there is a need for a forklift steering system with an automatic return function, which is compact in structural arrangement, safe, reliable and convenient to adjust.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a fork truck a steering system with self return function that compact, safe and reliable, the regulation is convenient is arranged to the structure is provided.
The utility model discloses a following technical scheme solves above-mentioned technical problem:
a forklift steering system with an automatic return function sequentially comprises a steering hydraulic system, a steering system support assembly, an automatic return spring, a steering column, a steering transmission shaft and a steering wheel from bottom to top;
the steering wheel is fixedly connected with the top of the steering transmission shaft, the steering transmission shaft is arranged in the steering column, the bottom of the steering transmission shaft is in driving connection with the steering hydraulic system, the steering hydraulic system is fixedly connected with the bottom of the steering column, the bottom of the steering column is in rotating connection with the lower part of the steering system support assembly, one end of the automatic return spring is connected with the upper part of the steering system support assembly, and the other end of the automatic return spring is connected to the steering column; the automatic return spring is arranged between the steering system support assembly and the steering column and used for enabling the steering column to keep a contraction force which automatically leans forwards, and the locking assembly is further arranged between the steering column and the steering system support assembly.
As one of the preferable modes of the present invention, the locking assembly includes a sleeve, an adjusting bracket, and a locking nut, the adjusting bracket is fixed on the steering column, an adjusting waist hole is provided in the adjusting bracket, a threaded hole is provided in the locking nut, a threaded rod matched with the threaded hole is provided at the front end of the sleeve, the outer diameter of the locking nut and the sleeve is greater than the height of the adjusting waist hole, the outer diameter of the threaded rod is smaller than the height of the adjusting waist hole, one end of the locking nut is fixed on the upper portion of the steering system bracket assembly, and the other end is in threaded connection through the threaded rod of the; the threaded rod penetrates through the adjusting waist hole in the adjusting support, and when the sleeve is screwed down, the sleeve compresses the adjusting support.
As one of the preferable modes of the utility model, the utility model also comprises a handle which is arranged at the rear end of the sleeve.
As one of the preferable modes of the present invention, the length direction of the adjustment waist hole is consistent with the rotation direction of the steering column along the lower part of the steering system bracket assembly.
As one of the preferred modes of the utility model, still include the return spring fixed plate, the return spring fixed plate is together fixed with steering column, self return spring one end is connected with the return spring fixed plate, and the other end is connected with a steering system support assembly.
As one of the preferred modes of the utility model, self return spring is two, the steering system support assembly is symmetrical frame column structure, and two self return spring's one end is connected respectively in the both ends of return spring fixed plate, and the other end is connected at steering system support assembly intermediate junction board both ends.
As one of the preferred modes of the utility model, the bottom both ends of a steering system support assembly all are connected with the axis of rotation, the revolving rack both ends that steering column's bottom is connected all rotate through the bottom of axis of rotation and a steering system support assembly and be connected, the rotating clearance is left with the bottom of a steering system support assembly to the revolving rack.
As one of the preferred modes of the utility model, still include fastening screw, fastening screw is two one ends that are fixed in the axis of rotation respectively and is used for preventing when rotating, and the axis of rotation takes place to slide the side and moves.
As one of the preferable modes of the present invention, the steering hydraulic system is fastened and connected to the base of the steering column by four fastening bolts.
The utility model discloses compare prior art's advantage and lie in: the utility model discloses a steering system is when adjusting steering wheel position release locking handle, and whole steering system gets back to foremost position automatically, avoids steering system to empty and hits the driver, and the structure is succinct, and the assembly is simple and easy. The utility model has compact structural arrangement, and increases the automatic return function under the condition of not increasing the installation space; the utility model discloses mechanism structure is simple, reasonable in design, and safe and reliable adjusts convenient with low costs.
Drawings
FIG. 1 is a side view of a forklift steering system with self-return function in an embodiment;
FIG. 2 is a schematic side view of a steering system of a forklift truck with an automatic return function in an embodiment;
FIG. 3 is a partial perspective view of a forklift steering system with self-return function in an embodiment;
FIG. 4 is a partial perspective view of a steering system of a forklift truck with self-return function in an embodiment;
fig. 5 is an enlarged view of a-a in fig. 4.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1-5, the forklift steering system with the automatic return function of the embodiment sequentially comprises, from bottom to top, a steering hydraulic system 7, a steering system bracket assembly 1, an automatic return spring 2, a steering column 4, a steering transmission shaft 8 and a steering wheel 3;
the steering wheel 3 is fixedly connected with the top of a steering transmission shaft 8, the steering transmission shaft 8 is installed in a steering column 4, the bottom of the steering transmission shaft 8 is in driving connection with a steering hydraulic system 7, the steering hydraulic system 7 is fixedly connected with the bottom of the steering column 4, the bottom of the steering column 4 is in rotating connection with the lower part of a steering system support assembly 1, one end of an automatic return spring 2 is connected with the upper part of the steering system support assembly 1, and the other end of the automatic return spring is connected to the steering column 4; the automatic return spring 2 is arranged between the steering system support assembly 1 and the steering column 4 and used for enabling the steering column 4 to keep a contraction force which automatically inclines forwards, a locking assembly 5 is further arranged between the steering column 4 and the steering system support assembly 1, when the locking assembly 5 is screwed down, the steering column 4 and the steering system support assembly 1 are fixed, and when the locking assembly 5 is unscrewed, the steering column 4 and the steering system support assembly 1 can rotate relatively;
it can be understood that the pulling direction of the self-return spring 2 is the same as the forward rotation direction of the steering column 4, the safety problem of the driver in the process of adjusting the position of the steering wheel is solved by the self-return spring 2, when the locking assembly 5 is released, the locking assembly cannot freely topple, and the operation of adjusting the position of the steering wheel is simple and convenient.
In a specific embodiment, the locking assembly 5 comprises a sleeve 9, an adjusting bracket 10 and a locking nut 11, the adjusting bracket 10 is fixed on the steering column 4, an adjusting waist hole is arranged in the adjusting bracket 10, a threaded hole is arranged in the locking nut 11, a threaded rod matched with the threaded hole is arranged at the front end of the sleeve 9, the outer diameters of the locking nut 11 and the sleeve 9 are larger than the height of the adjusting waist hole, the outer diameter of the threaded rod is smaller than the height of the adjusting waist hole, one end of the locking nut 11 is fixed on the upper part of the steering system bracket assembly 1, and the other end of the locking nut 11 is in threaded connection through the threaded rod of the threaded; the threaded rod penetrates through an adjusting waist hole in the adjusting bracket 10, and when the sleeve 9 is screwed down, the sleeve compresses the adjusting bracket 10;
it can be understood that when the sleeve 9 is screwed down, the waist hole is adjusted to limit the position between the steering column 4 and the steering system support assembly 1, when the sleeve 9 is unscrewed, the steering column 4 and the steering system support assembly 1 can rotate in the length direction relative to the waist hole, and the automatic return spring 2 is used for returning to prevent the driver from being toppled and pounded.
Further, the handle 15 is further included, and the handle 15 is arranged at the rear end of the sleeve 9, so that the driver can conveniently operate and adjust the handle.
Preferably, the length direction of the adjusting waist hole is consistent with the rotation direction of the steering column 4 along the lower part of the steering system bracket assembly 1;
it should be noted that, when the directions of the steering column and the steering system support assembly are the same, when the locking assembly 5 is loosened, the steering column 4 and the steering system support assembly 1 can easily rotate relatively, and the steering is more convenient to adjust.
Example 2
See fig. 4-5: the embodiment is basically the same as the embodiment 1, and mainly has the difference that the steering system support assembly further comprises two return spring fixing plates 13, the return spring fixing plates 13 are fixed with the steering column 4, one ends of the automatic return springs 2 are connected with the return spring fixing plates 13, the other ends of the automatic return springs are connected with the steering system support assembly 1, the steering system support assembly 1 is of a symmetrical frame-shaped structure, one ends of the two automatic return springs 2 are respectively connected with two ends of the return spring fixing plates 13, and the other ends of the two automatic return springs are connected with two ends of a middle connecting plate 17 of the steering system support assembly 1;
in a specific implementation, the number of the self-return springs 2 can be multiple, so that the elastic force is increased, and the backward tilting force of the steering column 4, the steering transmission shaft 8 and the steering wheel 3 is prevented from being larger than the stretching force of the self-return springs.
Furthermore, both ends of the bottom of the steering system support assembly 1 are connected with rotating shafts 12, both ends of a rotating frame 16 connected with the bottom of the steering column 4 are rotatably connected with the bottom of the steering system support assembly 1 through the rotating shafts 12, and a rotating gap is reserved between the rotating frame 16 and the bottom of the steering system support assembly 1;
in the present embodiment, the rotating frame has a symmetrical frame structure at two ends, and two rotating shafts are respectively mounted at two ends of the rotating frame, while the other end is not shown in the figure.
Preferably, the steering hydraulic system further comprises two fastening screws 14, the two fastening screws 14 are respectively fixed at one end of the rotating shaft 12 and used for preventing the rotating shaft from sliding and laterally moving when rotating, and the steering hydraulic system 7 is tightly connected with the base of the steering column 4 through four fastening bolts 6, so that the installation and the disassembly are more convenient.
The utility model discloses a theory of operation: the utility model discloses steering system mainly is through loosening locking assembly 5, accomplishes sleeve pipe 9 and lock nut 11 to the pressure release of adjusting support 10, and whole steering system can rotate around installation fulcrum 12 forward under the 2 pulling force effects of self return spring. When the position of the steering wheel needs to be adjusted, a driver only needs to loosen the locking assembly 5, the steering column 4 automatically returns to the foremost position under the action of the automatic contraction force of the automatic return spring 2, the position of the steering wheel is the highest point, the steering column 4 rotates around the rotating shaft 12 along with the downward force applied to the steering wheel by the driver, the position of the steering wheel changes along with the rotation of the steering column, and when the position of the steering wheel reaches a proper position, the driver can fasten the handle 15.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. A forklift steering system with an automatic return function sequentially comprises a steering hydraulic system (7), a steering system support assembly (1), an automatic return spring (2), a steering column (4), a steering transmission shaft (8) and a steering wheel (3) from bottom to top;
the steering hydraulic system (7) is fixedly connected with a base of the steering column (4) through four fastening bolts (6);
the two ends of the bottom of the steering system support assembly (1) are both connected with rotating shafts (12), the two ends of a rotating frame (16) connected with the bottom of the steering column (4) are both rotatably connected with the bottom of the steering system support assembly (1) through the rotating shafts (12), and a rotating gap is reserved between the rotating frame (16) and the bottom of the steering system support assembly (1);
the device also comprises two fastening screws (14), wherein the two fastening screws (14) are respectively fixed at one end of the rotating shaft (12) and used for preventing the rotating shaft from sliding and laterally moving when rotating;
the steering wheel (3) is fixedly connected with the top of a steering transmission shaft (8), the steering transmission shaft (8) is installed in a steering column (4), the bottom of the steering transmission shaft (8) is in driving connection with a steering hydraulic system (7), the steering hydraulic system (7) is fixedly connected with the bottom of the steering column (4), the bottom of the steering column (4) is in rotating connection with the lower part of a steering system support assembly (1), one end of an automatic return spring (2) is connected with the upper part of the steering system support assembly (1), and the other end of the automatic return spring is connected to the steering column (4); the automatic return spring (2) is arranged between the steering system support assembly (1) and the steering column (4) and used for enabling the steering column (4) to keep a contraction force which automatically inclines forwards, a locking assembly (5) is further arranged between the steering column (4) and the steering system support assembly (1), when the locking assembly (5) is screwed down, the steering column (4) and the steering system support assembly (1) are fixed, and when the locking assembly (5) is unscrewed, the steering column (4) and the steering system support assembly (1) can rotate relatively;
the locking assembly (5) comprises a sleeve (9), an adjusting support (10) and a locking nut (11), the adjusting support (10) is fixed on the steering column (4), an adjusting waist hole is formed in the adjusting support (10), a threaded hole is formed in the locking nut (11), a threaded rod matched with the threaded hole is arranged at the front end of the sleeve (9), the outer diameters of the locking nut (11) and the sleeve (9) are larger than the height of the adjusting waist hole, the outer diameter of the threaded rod is smaller than the height of the adjusting waist hole, one end of the locking nut (11) is fixed on the upper portion of the steering system support assembly (1), and the other end of the locking nut (11) is in threaded connection through the threaded rod of the; the threaded rod penetrates through an adjusting waist hole in the adjusting bracket (10), and when the sleeve (9) is screwed down, the sleeve compresses the adjusting bracket (10);
the handle (15) is arranged at the rear end of the sleeve (9);
the length direction of the adjusting waist hole is consistent with the rotation direction of the steering column (4) along the lower part of the steering system bracket assembly (1); the method is characterized in that:
the automatic steering system support assembly is characterized by further comprising a return spring fixing plate (13), wherein the return spring fixing plate (13) is fixed with the steering column (4), one end of the automatic return spring (2) is connected with the return spring fixing plate (13), and the other end of the automatic return spring is connected with the steering system support assembly (1);
the automatic return springs (2) are two, the steering system support assembly (1) is of a symmetrical frame structure, one ends of the two automatic return springs (2) are connected to two ends of the return spring fixing plate (13) respectively, and the other ends of the two automatic return springs are connected to two ends of a middle connecting plate (17) of the steering system support assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376990.3U CN211494210U (en) | 2019-08-23 | 2019-08-23 | Forklift steering system with automatic return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376990.3U CN211494210U (en) | 2019-08-23 | 2019-08-23 | Forklift steering system with automatic return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211494210U true CN211494210U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921376990.3U Active CN211494210U (en) | 2019-08-23 | 2019-08-23 | Forklift steering system with automatic return function |
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| Country | Link |
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| CN (1) | CN211494210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539789A (en) * | 2019-08-23 | 2019-12-06 | 安徽合力股份有限公司 | Forklift steering system with automatic return function |
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2019
- 2019-08-23 CN CN201921376990.3U patent/CN211494210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539789A (en) * | 2019-08-23 | 2019-12-06 | 安徽合力股份有限公司 | Forklift steering system with automatic return function |
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