CN213109283U

CN213109283U - Trailer support leg

Info

Publication number: CN213109283U
Application number: CN202022056383.8U
Authority: CN
Inventors: 胡伟
Original assignee: Taihe Pengxiang Trailer Manufacturing Co ltd
Current assignee: Taihe Pengxiang Trailer Manufacturing Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-04
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a trailer support leg, which comprises an adjusting mechanism, wherein the adjusting mechanism comprises a fixed frame, a bidirectional screw rod, a thread bushing, a rotating rod and a first servo motor, a first servo motor is fixedly arranged on the outer wall of one side of the fixed frame through a mounting seat, the bidirectional screw rod is fixedly sleeved on the output shaft of the first servo motor, the bidirectional screw rod is far away from the output shaft of the first servo motor, penetrates through the side wall of the fixed frame and extends to the inside of the fixed frame, one end of the bidirectional screw rod, which extends to the inside of the fixed frame, is rotationally connected with the inner wall of the fixed frame, the utility model effectively solves the problems that most of the existing trailer support legs are propped against the ground through expansion, the vehicle body is supported, the support legs are contracted when not used, more parts of the support legs are leaked outside, and when the support legs encounter uneven roads in the driving process, the sundries on the ground can, damage to the supporting leg.

Description

Trailer support leg

Technical Field

The utility model relates to a trailer stabilizer blade technical field specifically is a trailer stabilizer blade.

Background

A trailer refers to a vehicle that is towed by a car without power drive per se. A combination of a car (truck or tractor, forklift) and one or more trailers. The truck and the traction vehicle are driving sections of the motor train and are called as main vehicles; the driven vehicle node pulled by the main vehicle is called trailer, which is an important vehicle type for road transportation, and when the trailer is not connected with the tractor, the support for the front end of the trailer is realized by extending the support legs, so as to ensure that the trailer is in a horizontal state.

However, there are some disadvantages in the conventional using process, such as:

the existing trailer support leg mostly offsets with the ground through stretching out and drawing back, supports the vehicle body, and when not in use, the support leg is retracted again, and the support leg still has more parts to leak outside, and when the in-process of driving a vehicle runs into uneven road surface, the support leg may hang the higher debris in ground, causes the harm to the support leg.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trailer stabilizer blade to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the adjusting mechanism comprises a fixed frame, a bidirectional screw rod, a thread bush, a rotating rod and a first servo motor, wherein the first servo motor is fixedly installed on the outer wall of one side of the fixed frame through an installation seat, the bidirectional screw rod is fixedly sleeved on an output shaft of the first servo motor, the output shaft of the bidirectional screw rod, which is far away from the first servo motor, penetrates through the side wall of the fixed frame and extends into the fixed frame, one end of the bidirectional screw rod, which extends into the fixed frame, is rotatably connected with the inner wall of the fixed frame, the thread bush is sleeved on the surface of the bidirectional screw rod and positioned on the two sides of the inner part of the fixed frame in a threaded manner, and the bottom of the thread bush is rotatably connected with; the telescopic mechanism comprises an outer sleeve, one-way lead screws, an inner sleeve and support plates, wherein the edges of two sides of the bottom surface of the fixed frame are rotatably connected with the outer sleeve through rotating seats; and the driving mechanism is fixedly arranged on the surface of the one-way screw rod and positioned between the top of the inner wall of the outer sleeve and the inner sleeve.

Wherein, actuating mechanism includes second servo motor, action wheel and follows the driving wheel, the fixed cover of having connect from the driving wheel between inner wall top and the inner skleeve that the surface of one-way lead screw is located the outer skleeve, there is second servo motor one side of outer skleeve through protecting crust fixed mounting, second servo motor's output runs through the lateral wall of outer skleeve and extends to the inside of outer skleeve, second servo motor extends to the fixed cover of the inside output of outer skleeve and has connect the action wheel, the action wheel is connected with from the driving wheel meshing.

The sliding block is fixedly welded at the top of the threaded sleeve, and the sliding groove matched with the sliding block is formed in the top of the inner wall of the fixed frame.

The top parts of the two sides of the inner sleeve are fixedly welded with limiting plates, and the inner wall of the outer sleeve is provided with a limiting groove matched with the limiting plate.

And reinforcing ribs are fixedly welded between the circumferential surface of the inner sleeve and the support plate.

The first servo motor and the second servo motor are electrically connected with an external power supply.

Compared with the prior art, the beneficial effects of the utility model are that:

1. start first servo motor, first servo motor drives two-way lead screw and rotates, and two-way lead screw drives the thread bush and removes to one side that is close to each other for the thread bush makes the outer sleeve take place to rotate through the dwang, makes the outer sleeve parallel with the bottom of fixed frame, can increase the interval between supporting leg and the ground, thereby prevents that the supporting leg from touchhing the debris on ground at the in-process of traveling, can improve the life of supporting leg.

2. When needs use, start first servo motor for first servo motor drives two-way lead screw and rotates, and two-way lead screw drives the thread bush and removes to the direction of keeping away from each other, and the thread bush passes through the dwang and drives the outer sleeve and rotate and perpendicular between the fixed frame, closes first servo motor, then starts second servo motor, makes second servo motor drive from the driving wheel through the action wheel and drives one-way lead screw rotation, makes one-way lead screw drive inner skleeve downstream, accomplishes the supporting role.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the telescopic mechanism of the present invention.

In the figure: 1-an adjustment mechanism; 11-a fixed frame; 12-a bidirectional screw rod; 13-a threaded sleeve; 14-rotating rods; 15-a first servo motor; 2-a telescoping mechanism; 21-an outer sleeve; 22-one-way screw rod; 23-an inner sleeve; 24-a support plate; 3-a drive structure; 31-a second servo motor; 32-a driving wheel; 33-driven wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the adjusting mechanism 1 comprises a fixing frame 11, a bidirectional screw rod 12, a threaded sleeve 13, a rotating rod 14 and a first servo motor 15, wherein the first servo motor 15 is fixedly mounted on the outer wall of one side of the fixing frame 11 through a mounting seat, the bidirectional screw rod 12 is fixedly sleeved on an output shaft of the first servo motor 15, the output shaft of the bidirectional screw rod 12, which is far away from the first servo motor 15, penetrates through the side wall of the fixing frame 11 and extends into the fixing frame 11, one end, extending into the fixing frame 11, of the bidirectional screw rod 12 is rotatably connected with the inner wall of the fixing frame 11, the threaded sleeve 13 is in threaded sleeve connection with the surface of the bidirectional screw rod 12 and positioned on the two sides of the inside of the fixing frame 11, and the bottom of the threaded sleeve 13 is rotatably connected with the rotating rod; the telescopic mechanism 2 comprises an outer sleeve 21, a one-way screw rod 22, an inner sleeve 23 and support plates 24, the two side edges of the bottom surface of the fixed frame 11 are rotatably connected with the outer sleeve 21 through rotating seats, the middle part of the top of the inner wall of the outer sleeve 21 is rotatably connected with the one-way screw rod 22, the inner sleeve 23 is sleeved on the surface of the one-way screw rod 22 in a threaded manner, the bottom of the inner sleeve 23 penetrates through the outer sleeve 21 and extends to the outside of the outer sleeve 21, the support plates 24 are fixedly welded at one end, extending to the outside of the outer sleeve 21, of the inner sleeve 23, and the side wall of one side, adjacent to the; and the driving mechanism 3 is fixedly arranged on the surface of the one-way screw rod 22 and positioned between the top of the inner wall of the outer sleeve 21 and the inner sleeve 23.

Wherein, actuating mechanism 3 includes second servo motor 31, action wheel 32 and follows driving wheel 33, the fixed cover that has connect from driving wheel 33 between inner wall top and the inner skleeve 23 that one-way lead screw 22 was located outer sleeve 21 on the surface, one side of outer sleeve 21 has second servo motor 31 through protecting crust fixed mounting, the output of second servo motor 31 runs through the lateral wall of outer sleeve 21 and extends to the inside of outer sleeve 21, second servo motor 31 extends to the fixed cover of the inside output of outer sleeve 21 and has connect action wheel 32, action wheel 32 is connected with the meshing of following driving wheel 33, starts second servo motor 31 for second servo motor 31 drives from driving wheel 33 through action wheel 32 and drives one-way lead screw 22 and rotate, makes one-way lead screw 22 drive inner skleeve 23 remove downwards, accomplishes the supporting role.

Wherein, the fixed welding in top of thread bush 13 has the sliding block, and the spout with sliding block looks adaptation is seted up at the inner wall top of fixed frame 11, and the skew takes place for the in-process of effectual avoiding thread bush 13 at the removal.

Wherein, the top of the both sides of inner skleeve 23 all fixed welding have the limiting plate, and the spacing groove of limiting plate looks adaptation is seted up to the inner wall of outer skleeve 21, avoids inner skleeve 23 to take place the skew at the in-process that removes, and can avoid inner skleeve 23 and one-way lead screw 22 to break away from.

Wherein, a reinforcing rib is fixedly welded between the circumferential surface of the inner sleeve 23 and the support plate 24, so that the support strength is improved.

The first servo motor 15 and the second servo motor 31 are electrically connected with an external power supply.

The working principle is as follows: when the support is used, when the support needs to be used, the first servo motor 15 is started, the first servo motor 15 drives the two-way screw rod 12 to rotate, the two-way screw rod 12 drives the threaded sleeve 13 to move towards the direction away from each other, the threaded sleeve 13 drives the outer sleeve 21 to rotate through the rotating rod 14 and is perpendicular to the fixed frame 11, the first servo motor 15 is closed, then the second servo motor 31 is started, the second servo motor 31 drives the driven wheel 33 to rotate through the driving wheel 32, the driven wheel 33 drives the one-way screw rod 22 to rotate, the one-way screw rod 22 drives the inner sleeve 23 to move downwards to complete the supporting function, when the support needs to be folded, the first servo motor 15 is started, the first servo motor 15 drives the two-way screw rod 12 to rotate, the two-way screw rod 12 drives the threaded sleeve 13 to move towards the side close to each other, and the outer sleeve, the outer sleeve 21 is parallel to the bottom of the fixing frame 11, the distance between the supporting legs and the ground can be increased, the supporting legs are prevented from touching sundries on the ground in the driving process, and the service life of the supporting legs can be prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A trailer foot, comprising:

the adjusting mechanism (1), the adjusting mechanism (1) comprises a fixed frame (11), a bidirectional screw rod (12), a threaded sleeve (13), a rotating rod (14) and a first servo motor (15), a first servo motor (15) is fixedly arranged on the outer wall of one side of the fixed frame (11) through a mounting seat, an output shaft of the first servo motor (15) is fixedly sleeved with a bidirectional screw rod (12), an output shaft of the bidirectional screw rod (12) far away from the first servo motor (15) penetrates through the side wall of the fixed frame (11) and extends into the fixed frame (11), one end of the bidirectional screw rod (12) extending into the fixed frame (11) is rotationally connected with the inner wall of the fixed frame (11), the surface of the bidirectional screw rod (12) and two sides inside the fixed frame (11) are both sheathed with thread sleeves (13) in a threaded manner, the bottom of the threaded sleeve (13) is rotatably connected with a rotating rod (14) through a rotating seat;

the telescopic mechanism (2) comprises an outer sleeve (21), an one-way screw rod (22), an inner sleeve (23) and a support plate (24), the edges of two sides of the bottom surface of the fixed frame (11) are connected with the outer sleeve (21) in a rotating mode through a rotating seat, the top of the inner wall of the outer sleeve (21) is connected with the one-way screw rod (22) in a rotating mode in the middle, the inner sleeve (23) is sleeved on the surface of the one-way screw rod (22) in a threaded mode, the bottom of the inner sleeve (23) penetrates through the outer sleeve (21) and extends to the outside of the outer sleeve (21), the support plate (24) is fixedly welded at one end, extending to the outside of the outer sleeve (21), of the inner sleeve (23), and two side walls, adjacent to;

and the driving mechanism (3) is fixedly arranged on the surface of the one-way screw rod (22) and between the top of the inner wall of the outer sleeve (21) and the inner sleeve (23).

2. A trailer stand as claimed in claim 1, wherein: actuating mechanism (3) include second servo motor (31), action wheel (32) and follow driving wheel (33), the fixed cover that has been located between inner wall top and inner skleeve (23) of outer skleeve (21) on the surface of one-way lead screw (22) has followed driving wheel (33), there is second servo motor (31) one side of outer skleeve (21) through protecting shell fixed mounting, the output of second servo motor (31) runs through the lateral wall of outer skleeve (21) and extends to the inside of outer skleeve (21), second servo motor (31) extend to the fixed cover of the inside output of outer skleeve (21) and have been connect action wheel (32), action wheel (32) are connected with following driving wheel (33) meshing.

3. A trailer stand as claimed in claim 1, wherein: the fixed welding in top of thread bush (13) has the sliding block, and the spout with sliding block looks adaptation is seted up at the inner wall top of fixed frame (11).

4. A trailer stand as claimed in claim 1, wherein: limiting plates are fixedly welded at the tops of two sides of the inner sleeve (23), and limiting grooves matched with the limiting plates are formed in the inner wall of the outer sleeve (21).

5. A trailer stand as claimed in claim 1, wherein: reinforcing ribs are fixedly welded between the circumferential surface of the inner sleeve (23) and the support plate (24).

6. A trailer foot according to claim 1 or 2, characterised in that: the first servo motor (15) and the second servo motor (31) are electrically connected with an external power supply.