CN214189956U

CN214189956U - Height-adjustable steering wheel

Info

Publication number: CN214189956U
Application number: CN202120105524.2U
Authority: CN
Inventors: 刘道国; 刘建华
Original assignee: Jining Furuide Machinery Manufacturing Co ltd
Current assignee: Jining Furuide Machinery Manufacturing Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-09-14
Anticipated expiration: 2031-01-15

Abstract

The utility model relates to a directive wheel that can heighten, including the lift frame, the steering spindle that the slope set up and be located the bearing assembly of steering spindle upper end, the steering spindle is installed in the bearing assembly with rotatable mode, and the flexible end in the top of lift frame is fixed to the bearing assembly, the bottom mounting of steering spindle has the wheel support, install the wheel on the wheel support, still be fixed with on the lift frame and turn to actuating mechanism. The utility model discloses following beneficial effect has: steering wheel that can heighten, control turns to convenient, but adaptive control goes up and down, and simple structure, it is efficient.

Description

Height-adjustable steering wheel

Technical Field

The utility model relates to a directive wheel that can heighten belongs to road building machinery technical field.

Background

At present, the prefabricated paving cement concrete curb is replaced by the cast-in-place slip form construction curb, the rigidity, the strength and the stability of the cast-in-place slip form construction curb are higher than those of the prefabricated paving cement concrete curb, the prefabricated paving cement concrete curb is easy to form and high in operation efficiency, and waste in material transportation and preparation and manual work of a site are avoided.

Because present slip form machine meets the place of road unevenness in the construction, does not have the function that can in time adjust the curb shaping height according to the altitude variation automatically, leads to the curb shaping quality not high, and the error is too big during the operation.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: to solve one of the above problems, a height-adjustable steering wheel is provided.

Steering wheel that can heighten, its characterized in that: the steering mechanism comprises a lifting frame, a steering shaft and a bearing assembly, wherein the lifting frame and the steering shaft are obliquely arranged, the bearing assembly is positioned at the upper end of the steering shaft, the steering shaft is rotatably arranged in the bearing assembly, the bearing assembly is fixed at the top telescopic end of the lifting frame, a wheel support is fixed at the bottom end of the steering shaft, wheels are arranged on the wheel support, and a steering driving mechanism is further fixed on the lifting frame.

Preferably, the lifting frame comprises a telescopic frame and a movable support which are nested according to the sequence and can be opposite, a telescopic oil cylinder is arranged in the lifting frame and is used for driving the lifting frame to stretch, one end of the telescopic oil cylinder is hinged with the frame through an oil cylinder fixing pin, and the other end of the telescopic oil cylinder is hinged with an oil cylinder seat fixed at the upper end of the movable support through a movable oil cylinder pin.

Preferably, the bearing assembly comprises a steering bearing seat fixed on the cylinder block, an upper bearing and a lower bearing are installed in the steering bearing seat, the steering shaft is rotatably installed in the steering bearing seat through the upper bearing and the lower bearing, and an upper bearing gland and a lower bearing gland are further installed at the upper end and the lower end of the steering bearing seat.

Preferably, the wheel support comprises a horizontal wall and a vertical arm vertically installed at one end of the horizontal wall, and the bottom end of the steering shaft is installed at one end, far away from the vertical arm, of the horizontal wall through an inclined taper sleeve and a tensioning sleeve.

Preferably, the steering driving mechanism comprises a steering oil cylinder arm fixed on one side of the upper end of the movable support, the other end of the steering oil cylinder arm is hinged with a steering oil cylinder through an oil cylinder pin shaft A, and the other end of the steering oil cylinder is hinged with an oil cylinder pin shaft B arranged on the horizontal wall.

Preferably, the included angle between the steering oil cylinder and the steering oil cylinder arm is an acute angle, and the oil cylinder pin shaft B is installed at one end, close to the vertical arm, of the horizontal wall.

Preferably, the movable support is attached with a lining plate.

Preferably, a motor supporting seat is installed on the wheel support, a driving motor is installed in the motor supporting seat, and the driving motor is in power connection with the wheels to drive the wheels to rotate.

Compared with the prior art, the utility model discloses following beneficial effect has: steering wheel that can heighten, control turns to convenient, but adaptive control goes up and down, and simple structure, it is efficient.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a perspective view of the present invention.

In the figure: 1. the device comprises a frame 2, an oil cylinder pin shaft A3, a steering oil cylinder arm 4, a steering oil cylinder 5, an oil cylinder pin shaft B6, a wheel 7, a movable support 8, a steering shaft 9, a wheel support 10, a motor support 11, a driving motor 12, an oil cylinder fixing pin 13, a telescopic oil cylinder 14, a lining plate 15, a movable oil cylinder pin 16, an oil cylinder seat 17, a steering bearing seat 18, an upper bearing pressure cover 19, an upper bearing 20, a lower bearing 21, a lower bearing pressure cover 22, an inclined cone sleeve 23 and a tensioning sleeve.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Examples

As shown in fig. 1 to 5, the height-adjustable steering wheel includes an inclined lifting frame, a steering shaft 8 and a bearing assembly located at an upper end of the steering shaft 8, the steering shaft 8 is rotatably mounted in the bearing assembly, the bearing assembly is fixed at a top telescopic end of the lifting frame, a wheel support 9 is fixed at a bottom end of the steering shaft 8, wheels 6 are mounted on the wheel support 9, and a steering driving mechanism is further fixed on the lifting frame.

In the embodiment, the lifting frame comprises a telescopic frame 1 and a movable support 7 which are sequentially nested and can be opposite, a telescopic oil cylinder 13 is arranged in the lifting frame and used for driving the lifting frame to stretch, one end of the telescopic oil cylinder is hinged with the frame 1 through an oil cylinder fixing pin 12, and the other end of the telescopic oil cylinder is hinged with an oil cylinder seat 16 fixed at the upper end of the movable support 7 through a movable oil cylinder pin 15; the bearing assembly comprises a steering bearing seat 17 fixed on an oil cylinder seat 16, an upper bearing 19 and a lower bearing 20 are installed in the steering bearing seat 17, a steering shaft 8 is rotatably installed in the steering bearing seat 17 through the upper bearing 19 and the lower bearing 20, and an upper bearing gland 18 and a lower bearing gland 21 are also installed at the upper end and the lower end of the steering bearing seat 17; the wheel support 9 comprises a horizontal wall and a vertical arm vertically installed at one end of the horizontal wall, and the bottom end of the steering shaft 8 is installed at one end, far away from the vertical arm, of the horizontal wall through an inclined taper sleeve 22 and a tensioning sleeve 23; the steering driving mechanism comprises a steering oil cylinder arm 3 fixed on one side of the upper end of the movable support 7, the other end of the steering oil cylinder arm 3 is hinged with a steering oil cylinder 4 through an oil cylinder pin shaft A2, and the other end of the steering oil cylinder 4 is hinged with an oil cylinder pin shaft B5 arranged on the horizontal wall; an included angle between the steering oil cylinder 4 and the steering oil cylinder arm 3 is an acute angle, and an oil cylinder pin shaft B5 is installed at one end, close to the vertical arm, of the horizontal wall; a lining plate 14 is attached to the movable bracket 7; the wheel support 9 is provided with a motor support seat 10, a driving motor 11 is arranged in the motor support seat 10, and the driving motor 11 is in power connection with the wheel 6 to drive the wheel 6 to rotate.

The utility model discloses a theory of operation:

height adjustment: one end of the telescopic oil cylinder 13 is fixed on the frame 1 through an oil cylinder fixing pin 12, and the other end is fixed on an oil cylinder base 16 through a movable oil cylinder pin 15. The oil cylinder base 16 is welded on the movable bracket 7, an upper bearing 19 is attached on the movable bracket 7, and the movable bracket 7 drives the lining plate 14 to slide on the frame 1 through the extension and contraction of the telescopic oil cylinder 13. The wheel 6 is arranged on a driving motor 11, the power output of the driving motor 11 is connected with a motor support seat 10, and the motor support seat 10 is welded with the wheel support 9, namely, the wheel 6 and the wheel support 9 can move simultaneously. The wheel support 9 is connected with the movable support 7 through the steering shaft 8, so that the sliding of the movable support 7 drives the wheels 6 to move simultaneously, the distance between the wheels 6 and the frame 1 is changed, the frame 1 is obliquely arranged, and the functions of adjusting the height of the frame 1 from the ground and completing height adjustment are achieved.

Turning: one end of a steering oil cylinder 4 is connected to a steering oil cylinder arm 3 through an oil cylinder pin shaft 2, and the other end of the steering oil cylinder is installed on a wheel support 9 through an oil cylinder pin shaft 5. The steering oil cylinder arm 3 is welded on the movable support 7, the upper end of the steering shaft 8 is connected with a steering bearing seat 17 welded on the movable support 7 through two bearings of an upper bearing 19 and a lower bearing 20, and the bearings are fixed by an upper bearing gland 18 and a lower bearing gland 21. The lower end of the steering shaft 8 is fastened with a bevel sleeve 22 welded on the wheel support 9 through a tensioning sleeve by bolts. The split movable support 7 is connected with the wheel support 9 through the steering shaft 8, so that when the steering oil cylinder 4 stretches, the wheels 6 can rotate under the action of the upper bearing 19 and the lower bearing 20 through the wheels 6, and the steering function is completed.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A steering wheel that can heighten which characterized in that: including the lift frame, steering spindle (8) that the slope set up and be located the bearing assembly of steering spindle (8) upper end, steering spindle (8) are installed in the bearing assembly with rotatable mode, and the bearing assembly is fixed at the flexible end in top of lift frame, the bottom mounting of steering spindle (8) has wheel support (9), install wheel (6) on wheel support (9), still be fixed with on the lift frame and turn to actuating mechanism.

2. The heightening steerable wheel according to claim 1, wherein: the lifting frame comprises a telescopic frame (1) and a movable support (7) which are nested according to the sequence and can be opposite, a telescopic oil cylinder (13) is arranged in the lifting frame and is used for driving the lifting frame to stretch, one end of the telescopic oil cylinder is hinged with the frame (1) through an oil cylinder fixing pin (12), and the other end of the telescopic oil cylinder is hinged with an oil cylinder seat (16) fixed at the upper end of the movable support (7) through a movable oil cylinder pin (15).

3. The heightening steerable wheel according to claim 2, wherein: the bearing assembly comprises a steering bearing seat (17) fixed on an oil cylinder seat (16), an upper bearing (19) and a lower bearing (20) are installed in the steering bearing seat (17), a steering shaft (8) is rotatably installed in the steering bearing seat (17) through the upper bearing (19) and the lower bearing (20), and an upper bearing gland (18) and a lower bearing gland (21) are further installed at the upper end and the lower end of the steering bearing seat (17).

4. The heightening steerable wheel according to claim 3, wherein: the wheel support (9) comprises a horizontal wall and a vertical arm vertically installed at one end of the horizontal wall, and the bottom end of the steering shaft (8) is installed at one end, far away from the vertical arm, of the horizontal wall through an inclined taper sleeve (22) and a tensioning sleeve (23).

5. The heightening steerable wheel according to claim 4, wherein: the steering driving mechanism comprises a steering oil cylinder arm (3) fixed on one side of the upper end of a movable support (7), the other end of the steering oil cylinder arm (3) is hinged with a steering oil cylinder (4) through an oil cylinder pin shaft A (2), and the other end of the steering oil cylinder (4) is hinged with an oil cylinder pin shaft B (5) installed on the horizontal wall.

6. The heightening steerable wheel according to claim 5, wherein: the included angle between the steering oil cylinder (4) and the steering oil cylinder arm (3) is an acute angle, and an oil cylinder pin shaft B (5) is installed at one end, close to the vertical arm, of the horizontal wall.

7. The heightening steerable wheel according to claim 6, wherein: the movable bracket (7) is attached with a lining plate (14).

8. The heightening steerable wheel according to claim 7, wherein: install motor supporting seat (10) on wheel support (9), install driving motor (11) in motor supporting seat (10), driving motor (11) and wheel (6) power are connected, and driving wheel (6) rotate.