KR200217803Y1 - a bridge apparatus of trailer - Google Patents

Abstract

The present invention relates to a cross-linking device for a trailer, and more particularly, to install a cross-linkable part that can be pulled out as needed by loading a trailer so that its construction can be loaded and unloaded with other farming machines such as rice transplanters, combines, etc. In the tow portion, the rear wheels are installed on both sides of the rear wheel, the body frame frame is provided with a dumping portion in the middle, and the loading box dumped by the dumping portion to the upper portion of the body frame in a conventional trailer, both ends at the rear bottom of the storage box Hook is fixed to be formed; The bottom surface of the inner loading box of the hook relates to a cross-linking device for a trailer, characterized in that each cross-linking portion that can be slid out and hooked to the hook is installed.

Description

Bridge apparatus of trailer {a bridge apparatus of trailer}

The present invention relates to a crosslinking device for a trailer, and more specifically, to a trailer bridge that allows the loading and unloading of other farming machines such as rice transplanters, combines, etc. by installing a trailer that can be pulled out as needed. Relates to a device.

In general, a trailer used for farming is used for transporting crops or compost while being towed by a cultivator or a tractor, or used for transporting various machines such as rice transplanters, combines, etc., if necessary. It is one of the agricultural machines with great utilization.

In particular, when carrying and transporting other farm machinery as described above, first, the rear door of the loading box of the trailer is opened, and then a ladder or panel made of metal material is brought into contact with the ground so that the farm machinery and the like can be loaded and unloaded on both sides of the trailer. So that it is inclined so that it

Then, using a ladder or a panel, such as a trailer of the trailer loaded with other agricultural machinery rice transplanters, combines, etc. and then transported again to the loading of the ladder or panel, etc. and get off.

However, in the conventional method as described above, the cumbersome problem of having to carry a separate ladder or panel for loading and unloading agricultural machinery and the like by loading the trailer at all times, and the movement due to the loaded ladder or panel, etc. As a result of friction with the mounted farm machinery, the farm machinery was not only damaged, but also sometimes separated from the loading, causing a dangerous situation.

In addition, the inconvenience that the worker should support the ladder or panel not to flow when loading the agricultural machinery with the trailer loading, and also the ladder or panel contacted with the ground when loading and unloading the agricultural machinery As the tip is rapidly injured due to the weight of the agricultural machinery mounted on the other end, a problem that causes a dangerous situation to workers has also been caused.

Accordingly, the present invention has been made to solve the conventional problems as described above, the purpose is to install and take off other agricultural machinery, such as rice transplanters, combines, etc. by loading the trailer as needed to load and unload, and unloading To make it possible.

In addition, it is another object to be able to fold the ladder member of the cross-linking portion to minimize the installation length and to be used more stably when loading and unloading agricultural machinery.

The present invention for achieving the above object is generally provided with a traction unit in the front, the rear wheels are installed on both sides of the rear, the body frame frame is installed with a dumping portion in the middle, and the loading box is dumped by the dumping portion to the top of the body frame A trailer, comprising: a hook formed at both ends of the rear bottom of the loading box and fixed at both ends; The underside of the inner stack of the hook is characterized in that each of the cross-linking portion that can be slid out and hooked to the hook is installed.

A guide rail member having one end of the bridge and one end of the cross-linking portion fixed to both sides by a hanger installed at the bottom of the other end; It is built in the guide rail member, characterized in that it is configured to be connected to the support member to the end so that the ladder member is installed between the pair of support between the pair of the support is formed with a hook piece on one end.

In addition, the height of the guide rail member guide groove is characterized in that gradually formed from one end to the other end.

And, the support member is installed to be fixed to each support bracket formed with a stopper to be caught by the hook on one side to both sides of the fixed rod that is fixed to be penetrated, the one support bracket is a support formed by one side support of the ladder member A mounting groove formed with a mounting groove is formed integrally so that the pins are mounted, and a rotating shaft fastened by a coupling ring to the fixing rod is fixed to the other bracket by a fixing ring fixed inside the ladder member. It is characterized in that the configuration.

In addition, the one end of the ladder member is characterized in that the auxiliary ladder is provided with a plurality of auxiliary rails are folded between the pair of auxiliary supports inwardly between the support is folded.

1 is a perspective view of the main portion showing a state in which the subject innovation is installed in the loading box of the trailer.

Figure 2 is an exploded perspective view showing a crosslinking portion of the present invention.

Figure 3a, Figure 3b and Figure 3c shows the operating state of the cross-linked portion of the present invention,

Figure 3a is a main part showing a state in which the ladder member withdrawal of the bridge portion.

Figure 3b is a main part showing a state in which the ladder member according to Figure 3a is rotated.

Figure 3c is a main part showing a state in which the ladder member according to Figure 3b is installed.

4a and 4b shows the use state of the present invention,

Figure 4a is a perspective view of the present invention use state.

4b is a side view of the main part according to FIG. 4a;

5a, 5b and 5c is another first embodiment of the ladder member of the present invention,

5A is a schematic exploded perspective view.

Figure 5b is a main portion of the auxiliary ladder member unfolded in accordance with Figure 5a unfolded.

Figure 5c is a main portion of the auxiliary ladder member folded in accordance with Figure 5b.

Explanation of symbols for the main parts of the drawings

1: Trailer

10: hook

20: crosslinking part

21: support 22: hanger

24: gui rail member 25: support

25 ': support support 25a: support support

25b: locking piece 25c: support pin

250: retaining ring 255: rotating shaft

256: coupling ring 26: crossbar

26 ': auxiliary rail 28: ladder member

28 ': auxiliary ladder 29: support member

290,290a: Bracket 292: Fixed rod

295: Wit Live 295a: Wit Home

200: loading box

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in more detail as follows.

1 is a perspective view of the main portion showing a state in which the subject innovation is installed in the loading box of the trailer.

Tow forward, the rear wheels are installed on both sides of the rear, the vehicle body frame 100 is installed with a dumping portion in the middle, the normal trailer is installed a loading box 200 that is dumped by the dumping portion to the top of the body frame 100 In (1),

The present invention has a hook (10) formed on the rear bottom surface of the stacking box 200 is fixed by welding or the like fixed to both ends;

At the bottom of the inner stacker 200 of the hook 10, each cross-linking portion 20 which is slid out and hooked to the hook 10 is installed, and withdraws the cross-linking portion 20 as necessary. The loading box 200 is shown to be able to load and unload other agricultural machinery, such as rice transplanters or combines.

Figure 2 is an exploded perspective view showing a crosslinking portion of the present invention.

In the above-described configuration, the cross-linking part 20 is installed such that the support 21 is fixed at one end and the catch 22 is fixed at the bottom of the other end by welding, and is fixed to the bottom of the loading box by welding, which is a general fixing method. A guide rail member 24;

Ladder 26 is provided in the guide rail member 24 and a plurality of crossbars 26 are installed in a pair of support bars 25 formed with a hook piece 25b to one side so as to be hooked to the hook 10 at one end. It is shown that the member 28 is configured to be connected to the support member 29 to the end to rotate.

In addition, the height h (H) of the guide rail member 24, the guide groove in which the ladder member 28 is built and slides is gradually formed from one end to the other end, such as a rice chain rice transplanter or a combine that is mounted in a loading box. Therefore, even if the bottom surface is slightly recessed so that the guide rail member 24 is recessed unevenly, it is preferable that the pull-out of the built-in ladder member 28 is prevented.

In the above, the support member 29 is fixed to each side of the fixing rod 292 fixed to penetrate so that each support bracket 290 (290a) formed with a stopper 294 is fastened to the hanger 22 on one surface Although installed, the one-side support bracket 290 has a mounting groove (295) formed with a mounting groove (295a) so that the support pin (25a) formed by one side of the support member 25 of the ladder member 28 is integrated Is formed, the other side bracket (290a) is a rotating shaft 250 is fastened in a fixed ring 250 fixed to the inside of the ladder member 28, the other side of the support interval 25, the fixing rod 292 It is preferable that the coupling ring 256 is configured to be fastened.

Figure 3a, Figure 3b and Figure 3c is a view showing the operating state of the cross-linking portion of the present invention, Figure 3a is a main view showing a state in which the ladder member of the cross-linked portion is drawn out.

In the above configuration, the ladder member 28 is drawn out from the guide rail member 24 of the bridge portion 20 fixed to the bottom of the loading box in the direction of the arrow. At this time, the stopper 294 installed on one surface of the bracket 290a of the support member 29 installed as the end of the ladder member 28 is caught by the hook 22 installed as one end of the guide rail member 24 and no longer pulled out. It doesn't work.

Figure 3b is a main part showing a state in which the ladder member according to Figure 3a is rotated.

When the ladder member 28 is rotated in the above-described state of FIG. 3A in the direction of the arrow, that is, the support rod 25 is rotatably supported by the fixing ring in the one support rod 25, and the fixing rod of the corresponding bracket 290a is supported. Due to the rotating shaft fixed by the coupling ring at 292, the hook member 25b, which is formed at the end of the other support interval 25 while the ladder member 28 is rotated, is formed by the hook bottom 10 of the loading box. It is shown as hanging.

Figure 3c is a main part showing a state in which the ladder member according to Figure 3b is installed.

In the above-described state of FIG. 3B, the locking rod 252 is caught by the fixing shaft 292 by the coupling ring and the hook 10, and the other end thereof is caused by the weight of the ladder member 28. It shows that it is inclined to the ground.

4A and 4B show the use state of the present invention, FIG. 4A is a perspective view of the use state of the present invention, and FIG. 4B is a side view of the main part according to FIG. 4A.

As described above, the ladder member 28, which is the bridge portion 20 installed at the bottom of the loading box 200 of the trailer 1, is taken out through the above-described processes of FIGS. 3A, 3B, and 3C so that one end is inclined with the ground. As it is installed, the agricultural machinery such as other rice transplanters, combines, etc. will be provided with the conditions for loading and unloading into the loading box 200 through the ladder member 28.

On the other hand, after loading or unloading the agricultural machinery to the stacking box 200 of the trailer 1 as described above, the above-mentioned operation sequence is reversed, that is, the ladder member 28 in contact with the ground again corresponds to the guide rail member When it is rotated to the desired position and the operator pushes it in, it is simply pulled in.

At this time, the drawn ladder member 28 is fixed by a separate wire or a general screw or the like by the known method, it is not drawn out even during the movement of the towing trailer (1).

5a, 5b and 5c is another embodiment of the ladder member of the present invention, Figure 5a is a schematic exploded perspective view.

In the above-described configuration, the ladder member is configured to be folded so that the length of the ladder member installed to the ground is made short while the installation length of the crosslinking portion provided to the bottom of the loading box is shortened as a whole.

That is, one side of the support section 25 of the ladder member 28 having the above-described configuration is opened and pin-coupled to the end thereof, so that several auxiliary rail stands 26 'are provided in the pair of auxiliary support sections 25' inward. ) Shows that the auxiliary ladder (28 ') is installed to be folded.

Therefore, it has a condition that can be used stably by installing the ladder member 28, which is installed to mount and unload agricultural machinery, etc. with a minimum installation length to the bottom of the loading box as long as possible.

FIG. 5B is a main view of the auxiliary ladder member in a coupled state according to FIG. 5A.

In the above configuration, the auxiliary ladder 28 ', which is pin-coupled to one end of the support bar 25 of the ladder member 28, is shown in a state in which it is unfolded in the direction of the arrow by a hinge action according to the pin coupling.

Thereby, the said ladder member 28 can be installed longer, and it can use stably.

Figure 5c is a main portion of the auxiliary ladder member according to Figure 5b is folded.

When the use is completed in the state of FIG. 5B, the auxiliary ladder 28 ′ pinned to one end of the support bar 25 of the ladder member 28 is moved into the support bar 25 by a hinge action according to pin coupling. When the auxiliary ladder 28 'is folded as described above, the ladder member 28 is rotated in the opposite direction to the direction of the arrow in FIG. 3B and introduced into the guide rail member. The auxiliary ladder (28 ') is placed on the hang as it is installed to the end of the will not fall.

Thus, when not in use, it is possible to slide into the bottom of the loading box, such as the ladder member 28 while having a shorter length.

As described above, the present invention has the effect of stably and conveniently loading and unloading other agricultural machinery such as rice transplanters, combines, etc. without a separate mechanism by forming a cross-linkable portion that can be pulled out as needed by loading a trailer.

In addition, by installing the ladder member to be folded so as to be folded, the installation length to the underside of the loading box is minimized, so that it is possible to install it on the ground while loading and unloading agricultural machinery to have the most stable use.

Claims (5)

In a conventional trailer provided with a towing portion forward, the rear wheels on both sides, the vehicle frame frame is installed with a dumping portion in the middle, and a loading box that is dumped by a dumping portion to the upper portion of the body frame, Hook 10 is formed fixed to both ends at the rear bottom; The cross-linking device for a trailer, characterized in that each of the cross-linking portion 20 that can be slid out and hooked to the hook (10) is installed on the bottom of the inner stacking box 200 of the hook (10). According to claim 1, wherein the cross-linking portion 20 is provided with a guide rail member 24 fixed to both sides of the support (21) at one end, the lower end of the other end is provided with a catch (22); The support member 29 is embedded in the guide rail member 24 and the ladder member 28 having several crossbars 26 installed therein is rotated in a pair of support rods 25 having a locking piece 25b formed at one end thereof. Crosslinking device for a trailer, characterized in that configured to be connected. 3. The bridge construction apparatus according to claim 2, wherein the height (H) of the guide rail member (24) guide groove is gradually increased from one end to the other end. The support member 29 of claim 2, wherein the support members 29 are formed on both sides of the fixed rod 292 fixed to penetrate, respectively. ) Is installed to be fixed, the mounting support (295a) has a mounting groove (295a) is mounted so that the support pin (25a) formed on the one side support bracket 25 of the ladder member 28 in the one side support bracket (290) 295 is formed integrally, the other side of the support bracket (290a) is a rotating shaft 255 fastened in a fixed ring 250 fixed to the inside of the ladder member 28, the other side of the support (25) Crosslinking device for a trailer, characterized in that configured to be fastened by a coupling ring (256) to a fixed rod (292). According to claim 2 or 3, wherein one end of the support member 25 of the ladder member 28 is pin-bonded to the inner side of the support member 25, a plurality of auxiliary rail stand (25) 26 ') is a secondary bridge (28') is installed, the bridge bridging device, characterized in that the fastening.