CN213619701U

CN213619701U - Fixed rotary trailer support leg

Info

Publication number: CN213619701U
Application number: CN202022880160.3U
Authority: CN
Inventors: 郭江德
Original assignee: Qingdao Rulong Machinery Co ltd
Current assignee: Qingdao Rulong Machinery Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-06
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a fixed rotary trailer landing leg, the round sleeve is welded under the left and right boundary beams of the trailer, a round pipe is inserted in the round sleeve in a sliding way, the round sleeve is positioned and fixed with a round pipe hole on the outer wall of the round pipe through a pin shaft, one end of the round pipe is fixedly assembled with a fixed landing leg, the other end of the round pipe is fixedly assembled with a limiting device, one end of a diagonal bracing device is hinged on the side wall of the fixed landing leg, and the other end of the diagonal bracing device is connected and fixed with the lower side plate of the; the scheme adopts the matching use of the fixed support legs and the inclined strut device, the fixed support legs are utilized to support and fix the rear beam of the trailer, the inclined strut device is utilized to improve the stability of the fixed support, the whole structure is simple and tidy, and the trailer is convenient to maintain and replace when a fault occurs; the round pipe in the scheme can move back and forth in the round sleeve, the round pipe can be limited in the back and forth movement through the limiting device to be prevented from being separated from the round sleeve, the supporting position of the fixed supporting leg is adjusted, and a more stable supporting point is determined according to the load of the trailer.

Description

Fixed rotary trailer support leg

Technical Field

The utility model relates to a trailer technical field specifically is fixed rotatory trailer landing leg.

Background

The problem that the service life of the tire and the supporting axle is damaged due to the fact that the tire and the supporting axle are stressed when the existing trailer is in a parking state is solved by installing the supporting leg on the rear beam of the trailer in the prior art, the structure of the supporting leg of the trailer in the prior art is complex, and although the supporting stability is improved, the complex mechanical structure is more time-consuming in use and operation; meanwhile, as the structure is more delicate, and the application environment is that the trailer is supported in the environment with stronger stress, complex machinery is more easily damaged, and the trailer is inconvenient to replace and maintain by oneself.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixed rotatory trailer landing leg to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: fixed rotatory trailer landing leg, including the circle cover, and the circle cover welds in the boundary beam below about the trailer, it has the pipe to slide to peg graft in the circle cover, the pipe hole has evenly been seted up to the pipe outer wall, the circle cover is fixed through round pin axle and pipe hole location, the fixed landing leg that is equipped with of pipe one end, and the fixed stop device that is equipped with of the pipe other end, the articulated one end that has the bracing device on the fixed landing leg lateral wall, and the other end of bracing device passes through bolt, nut and boundary beam lower side plate and is connected fixedly.

Preferably, the bracing device comprises a hinged part assembled on the side wall of the fixed supporting leg, a supporting rod is fixedly assembled on the hinged part, a connecting plate is fixedly assembled at the tail end of the supporting rod, and the connecting plate is fixedly connected with the lower side plate of the boundary beam through bolts and nuts.

Preferably, the articulated elements include a cylinder fixedly assembled on the side wall of the fixed supporting leg, a through hole is formed in the end part of the supporting rod, a tapered groove is formed in one end, away from the fixed supporting leg, of the through hole, the cylinder penetrates through the through hole to be inserted into the tapered groove, a limiting ring clamped at the bottom end of the tapered groove is sleeved on the end part of the cylinder, and a fixing bolt abutted against the limiting ring is screwed on the end part of the cylinder.

Preferably, the limiting device comprises a connecting rod fixedly assembled on the inner wall of the end part of the circular tube, and a limiting bolt is fixedly assembled on the connecting rod.

Compared with the prior art, this scheme has designed fixed rotatory trailer landing leg, has following beneficial effect:

(1) the scheme adopts fixed landing leg and bracing device cooperation to use, utilizes fixed landing leg to support fixedly to the trailer back beam, utilizes the bracing device to improve fixed stay's stability, and overall structure is simple, and is clean and tidy, is convenient for maintain, change when breaking down.

(2) The round pipe in the scheme can move back and forth in the round sleeve, the round pipe can be limited in the back and forth movement through the limiting device to be prevented from being separated from the round sleeve, the supporting position of the fixed supporting leg is adjusted, and a more stable supporting point is determined according to the load of the trailer.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention in an operating state;

FIG. 2 is a left side view of the structure of the present invention in an operating state;

FIG. 3 is a schematic structural view of the parking state of the present invention;

fig. 4 is an enlarged view of a structure shown in fig. 1 according to the present invention.

In the figure: 1 round sleeve, 2 round pipe, 3 round pipe holes, 4 fixing support legs, 5 limiting devices, 51 connecting rods, 62 limiting bolts, 6 diagonal bracing devices, 61 hinge pieces, 611 cylinders, 612 through holes, 613 tapered grooves, 614 limiting rings, 615 bolts, 62 supporting rods and 63 connecting plates.

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, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: fixed rotatory trailer landing leg, including circle cover 1, and circle cover 1 welds in the boundary beam below about the trailer, it has pipe 2 to slide to peg graft in circle cover 1, round tube hole 3 has evenly been seted up to 2 outer walls of pipe, circle cover 1 is fixed with 3 location in pipe hole through the round pin axle, 2 one end fixed assembly of pipe has fixed

landing leg

4, and 2 other ends fixed assembly of pipe have stop device 5, it has the one end of bracing device 6 to articulate on 4 lateral walls of fixed landing leg, and the other end of bracing device 6 passes through the bolt, the nut is connected fixedly with the boundary beam lower side plate.

In the parking state, the pin shaft of the fixed round tube 2 is taken down, the fixed supporting leg 4 is rotated to be in a vertical state, so that the lower end of the fixed supporting leg 4 is in contact with the ground, and the inclined strut device 6 is obliquely supported between the lower side plate of the boundary beam and the fixed supporting leg 4 at 105 degrees; when the device is in an operating state, the fixed supporting legs 4 are in a rotating horizontal state, and the round pipe 2 is fixed by the pin shafts.

The inclined strut device 6 comprises a hinge part 61 assembled on the side wall of the fixed leg 4, a support rod 62 is fixedly assembled on the hinge part 61, a connecting plate 63 is fixedly assembled at the tail end of the support rod 62, and the connecting plate 63 is fixedly connected with the lower side plate of the side beam through a bolt and a nut.

Adopt fixed landing leg 4 and the cooperation of bracing device 6 to use, utilize fixed landing leg 4 to support fixedly to the trailer back beam, utilize bracing device 6 to improve the stability of fixed stay, overall structure is simple, and is clean and tidy, is convenient for maintain, change when breaking down.

The hinge member 61 includes a cylinder 611 fixedly mounted on the side wall of the fixed leg 4, a through hole 612 is formed at the end of the support rod 62, a tapered groove 613 is formed at one end of the through hole 612 away from the fixed leg 4, the cylinder 611 passes through the through hole 612 and is inserted into the tapered groove 613, a limit ring 614 clamped at the bottom end of the tapered groove 613 is sleeved at the end of the cylinder 611, and a fixing bolt 615 abutting on the limit ring 614 is screwed at the end of the cylinder 611.

The position of the limiting ring 614 is fixed through the fixing bolt 615, the position of the cylinder 611 is fixed through the limiting ring 614, the supporting rod 62 is hinged and fixed on the cylinder 611, and the connection stability of the hinged part is improved.

The limiting device 5 comprises a connecting rod 51 fixedly assembled on the inner wall of the end part of the circular tube 2, and a limiting bolt 52 is fixedly assembled on the connecting rod 51; after the limiting bolt 52 is fixed, the tail end of the circular tube 2 cannot enter the circular sleeve 1, and the circular tube 2 is limited to move back and forth to avoid being separated from the circular sleeve 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Fixed rotatory trailer landing leg, its characterized in that: including circle cover (1), and circle cover (1) welds in the boundary beam below about the trailer, it has pipe (2) to slide to peg graft in circle cover (1), pipe hole (3) have evenly been seted up to pipe (2) outer wall, circle cover (1) is fixed a position with pipe hole (3) through the round pin axle, pipe (2) one end is fixed to be equipped with fixed landing leg (4), and pipe (2) other end is fixed to be equipped with stop device (5), the articulated one end that has bracing device (6) on fixed landing leg (4) lateral wall, and the other end of bracing device (6) passes through bolt, nut and is connected fixedly with boundary beam lower side plate.

2. The fixed swivel trailer leg of claim 1, wherein: bracing device (6) are including assembling articulated elements (61) on fixed landing leg (4) lateral wall, fixed being equipped with bracing piece (62) on articulated elements (61), the terminal fixed mounting of bracing piece (62) has connecting plate (63), connecting plate (63) are connected fixedly through bolt, nut and boundary beam lower side plate.

3. A fixed swivel trailer leg as claimed in claim 2 wherein: the articulated piece (61) comprises a cylinder (611) fixedly assembled on the side wall of the fixed supporting leg (4), a through hole (612) is formed in the end of the supporting rod (62), a tapered groove (613) is formed in one end, far away from the fixed supporting leg (4), of the through hole (612), the cylinder (611) penetrates through the through hole (612) to be inserted into the tapered groove (613), a limiting ring (614) clamped at the bottom end of the tapered groove (613) is sleeved on the end of the cylinder (611), and the end of the cylinder (611) is screwed with a fixing bolt (615) abutting against the limiting ring (614).

4. The fixed swivel trailer leg of claim 1, wherein: stop device (5) are including fixed mounting connecting rod (51) on pipe (2) tip inner wall, fixed mounting has spacing bolt (52) on connecting rod (51).