JP2007062486A - Burglar device for trailer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make release of an air brake, which may cause theft of a trailer, difficult. <P>SOLUTION: Engagement of an air brake coupling 10 and a tractor side coupling not shown is physically suppressed by covering/hiding a connection surface 10a of the overlapped type air brake coupling 10 by a cover 14. Further, a pin 16 is inserted to a ventilation port 10b opened to the connection surface 10a of the overlapped type air brake coupling 10 through an insertion hole 14a provided on the cover 14, thereby, positioning of the cover 14 relative to the overlapped type air brake coupling 10 is performed. Since the overlapped type air brake coupling 10 is fixed to the trailer such that the ventilation port 10b is opened in a horizontal direction, the cover 14 is certainly fixed to the overlapped type air brake coupling 10 and is not dropped off. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a crime prevention device for preventing a trailer from being stolen.

  In recent years, in view of measures against global warming and strengthening of speed regulations on highways, a modal shift (converting trunk freight transportation by truck to sea transportation or rail transportation) has become more popular. . Cargo transportation using a trailer is optimal for the transition to this modal shift. For example, many trailers are parked in a ferry terminal waiting for towing transportation by a tractor to a destination. However, when a trailer is parked in a place where an unspecified number of people such as a ferry terminal can freely enter and exit, some sort of anti-theft measures for the trailer are required. Therefore, conventionally, a trailer crime prevention device has been invented that prevents the connection between the tractor and the trailer by fixing the cover to the king pin of the trailer (see, for example, Patent Document 1). In addition, a tracking system using GPS has been developed, which is useful for quickly grasping and finding a trailer's theft damage (see, for example, Patent Document 2).

JP-A-8-246730 ([Claim 1], FIGS. 1 to 4) JP 2004-185057 A ([Claim 1], FIG. 2)

  However, the following problems have been pointed out with conventional trailer crime prevention devices. First, the method of fixing the cover to the king pin of the trailer makes it impossible to connect the tractor to the trailer, but is simple and effective in preventing theft. However, since the grease adhering to the kingpin contaminates the operator's hand when attaching and detaching the cover, it has been unpopular with users. On the other hand, a tracking system using GPS needs to be equipped with a GPS terminal for each trailer, and also requires operation of a management center or the like, which has been a problem of cost burden for operators.

  The present invention has been made in view of the above problems, and the object of the present invention is to make it difficult for the operator to release the air brake, which leads to theft of the trailer. An object of the present invention is to provide a trailer crime prevention device that is easy to handle for an operator.

In order to solve the above problems, a trailer security device according to the present invention is provided between a connection surface of an air brake coupling fixed to a trailer and a connection surface of a tractor side coupling fixed to an air hose extending from the tractor. It is provided with the protection means of an air brake coupling which intervenes in.
According to the present invention, the connection between the air brake coupling fixed to the trailer and the tractor side coupling fixed to the tip of the air hose extending from the tractor is physically blocked by the air brake coupling protecting means. The

Further, in the present invention, the protection means includes a cover that covers the connection surface of the air brake coupling, and a ventilation opening to the connection surface of the overlapped air brake coupling via an insertion hole provided in the cover. It is desirable to provide a pin that is inserted into the mouth.
According to this structure, the engagement between the air brake coupling and the tractor side coupling is physically prevented by covering the connecting surface of the overlapped air brake coupling with the cover. Further, the cover is positioned with respect to the air brake coupling by inserting a pin into a vent opening that opens in the connecting surface of the overlapped air brake coupling through an insertion hole provided in the cover.

Further, it is desirable that the cover has a storage chamber having a constant cross-sectional shape in which the opening shape following the shape projected from the tip side of the portion including the coupling surface of the overlapped air brake coupling is maintained up to the bottom.
According to the present invention, the lap type air brake coupling is smoothly inserted into the storage chamber of the cover. In addition, the shape of the storage chamber prevents the cover from being unintentionally rattled by positioning the cover with respect to the stackable air brake coupling with the overlapped air brake coupling inserted into the cover storage chamber. Can do.

In the present invention, it is desirable to provide means for preventing the pin from coming off from the cover.
According to this configuration, the pin is reliably prevented from coming off from the cover.

The cover preferably has a lip portion that covers a two-sided width portion that engages with the tool when the lap type air brake coupling is attached to or detached from the trailer.
According to this configuration, the lip portion of the cover physically prevents the tool from engaging with the two-side width portion of the air brake coupling. Therefore, by removing the air brake coupling, it is possible to make it difficult to remove the air brake operating air from the brake pipe and release the air brake.

Further, in the present invention, two covers covering the coupling for the overlapping service line and the coupling for the overlapping emergency line, which are fixed alongside the trailer, respectively, and the two covers are connected to the two couplings. It is good also as providing the fixing member fixed mutually according to this positional relationship.
According to this configuration, two covers fixed to each other in accordance with the positional relationship of the two couplings are simultaneously mounted on both the coupling for the overlapping service line and the coupling for the overlapping emergency line. Thus, the rotation of one air brake coupling is prevented by the other air brake coupling. Therefore, by removing the air brake coupling, it is possible to make it difficult to release air brake operating air from the brake pipe and release the air brake.

Further, in the present invention, the protection means is installed in such a manner that the two overlapping service line couplings and the overlapping emergency line couplings fixed in line with the trailer are sandwiched from outside. A pair of stays that protrude more than the coupling, a cover that engages across the pair of stays and covers at least one of the side or front of the two couplings, and the cover is fixed to the stay It is good also as providing the fixing means to do.
According to the present invention, the cover fixed to the stay by the fixing means closes the connection space between the coupling for the overlapping service line and the coupling for the overlapping emergency line with the coupling on the tractor side. Therefore, the engagement between the air brake coupling and the tractor side coupling is physically prevented.

Furthermore, in the present invention, the cover is a rod that is inserted into a hole formed in the stay, and a retaining member that cannot be inserted into the hole of the stay is fixed to one end of the rod. It is desirable that the part is provided with a detachable stopper.
According to this configuration, after the rod is inserted into the holes of the pair of stays with the removable stopper removed from the other end of the rod, the removable stopper is attached to the other end. Is fixed to the stay. Then, in a state where the rod is fixed to the stay, the connecting space of the coupling on the tractor side with respect to the coupling for the overlapping service line and the coupling for the overlapping emergency line is closed by the rod. Therefore, the engagement between the two air brake couplings and the tractor side coupling is physically prevented.

  Since this invention was comprised in this way, it becomes possible to make cancellation | release of an air brake difficult which leads to theft of a trailer. Further, the business operator is not burdened with a large cost, and the trailer crime prevention device that is easy to handle for the operator is provided, and the damage of the trailer can be made more difficult to receive.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
First, as shown in FIGS. 1 and 2, the trailer security device according to the first embodiment of the present invention has a connecting surface of a lap type air brake coupling 10 (JIS D 6605) fixed to the trailer. The air brake coupling protecting means 12 is interposed between a connecting surface of a tractor-side overlapping air brake coupling (not shown) fixed to an air hose extending from the tractor. For convenience of explanation, the lap type air brake coupling 10 is not fixed to the trailer but is shown as a single unit.

  The protection means 12 opens to the connection surface 10 a of the lap type air brake coupling 10 through a cover 14 that covers the connection surface 10 a of the lap type air brake coupling 10 and an insertion hole 14 a provided in the cover 14. And a pin 16 to be inserted into the vent 10b. Further, the cover 14 includes a storage chamber 14 c for the lap type air brake coupling 10. The storage chamber 14c is a chamber having a constant cross-sectional shape in which an opening shape following the shape projected from the tip side of the portion including the coupling surface 10a of the lap type air brake coupling 10 is maintained. In the illustrated example, the insertion hole 14a opens at the distal end portion of the boss 14b fixed to the cover, and penetrates the storage chamber 14c of the cover 14 at the proximal end portion of the boss 14b. The storage chamber 14c has a bottom.

  Further, a flange 16 a is formed on the pin 16, and a retaining ring 18 fixed to the flange 16 a and the cover 14 are connected by a chain 20. When the bottom of the storage chamber 14c of the cover 14 comes into contact with the distal end portion 10c of the lap type air brake coupling 10, the insertion hole 14a of the cover 14 and the vent hole 10b of the lap type air brake coupling 10 coincide. It is supposed to be. Further, as shown in FIG. 2, the tip 16 b of the pin 16 is inserted into the vent 10 b of the overlapped air brake coupling 10 with the flange 16 a in contact with the tip of the boss 14 b of the cover 14. It is.

  Further, as shown in FIG. 2, the boss 14b and the pin 16 of the cover 14 are formed with through holes 14d and 16c that coincide with each other in a state where the flange 16a is in contact with the tip of the boss 14b. These through holes constitute means for preventing the pins 16 from coming off from the cover 14. For example, the pin 16 is prevented from coming off from the cover 14 by inserting a wire lock, a dial lock, or the like into the through holes in a state where the through holes 14d and 16c are matched.

  According to the first embodiment of the present invention configured as described above, the following operational effects can be obtained. First, by covering the connecting surface 10a of the lap type air brake coupling 10 with the cover 14, the engagement between the air brake coupling 10 and a tractor side coupling (not shown) is physically blocked. Further, the pin 16 is inserted into the vent 10 b that opens in the connecting surface 10 a of the overlap type air brake coupling 10 through the insertion hole 14 a provided in the cover 14, whereby the overlap type air brake coupling 10. The cover 14 is positioned with respect to. The stacking type air brake coupling 10 is usually fixed to the trailer so that the vent 10b opens in the horizontal direction (see FIG. 6). Therefore, the cover 14 is securely fixed to the lap type air brake coupling 10 and does not fall off.

Further, the cover 14 has a storage chamber 14c having a constant cross-sectional shape in which the opening shape following the shape projected from the tip side of the portion including the connecting surface 10a of the overlapped air brake coupling 10 is maintained to the bottom. The overlap type air brake coupling 10 is smoothly inserted into the storage chamber 14 c of the cover 14. Further, due to the shape of the storage chamber, the cover 14 is positioned with respect to the stackable air brake coupling 10 in a state where the stackable air brake coupling 10 is inserted into the storage chamber 14c of the cover 14 (FIG. 2). 14 inadvertent rattling can be prevented.
In addition, by inserting a wire lock, a dial lock or the like through the through holes 14d and 16c, a means for preventing the pin 16 from coming off from the cover 14 is configured, so that the pin 16 can be prevented from coming off from the cover 14 reliably. It will be.

Therefore, the air brake coupling protection means 12 physically blocks the connection between the air brake coupling 10 fixed to the trailer and the tractor side coupling fixed to the tip of the air hose extending from the tractor. It becomes possible to make it difficult to release the air brake, which leads to theft.
If the dial lock is used as a means for preventing the pin 16 from being removed from the cover 14 as described above, it can be locked and unlocked without transferring the key during a modal shift. Rise.

Next, a trailer crime prevention device according to a second embodiment of the present invention will be described with reference to FIGS. 3 and 4. The same parts as those in the first embodiment of the present invention or the conceivable parts are denoted by the same reference numerals and detailed description thereof is omitted.
The cover 14 according to the second embodiment of the present invention has a two-sided width that engages with a tool such as a spanner provided in the lap type air brake coupling 10 when the lap type air brake coupling 10 is attached to and detached from the trailer. It has a lip portion 14e that covers the portion 10d. The lip portion 14e is formed so that the cover 14 does not interfere with the overlapped air brake coupling 10 when the overlapped air brake coupling 10 is inserted into the storage chamber 14c of the cover 14. It is an extension of the part. Then, as shown in FIG. 4, with the overlapped air brake coupling 10 inserted into the storage chamber 14c of the cover 14, at least a part of the two-sided width portion 10d is covered with the lip portion 14e. It is physically impossible to engage with the two-surface width portion 10d.

  Accordingly, there is a theft technique means for releasing the trailer air brake and allowing the trailer to travel by removing the overlapped air brake coupling 10 from the air pipe on the trailer side and removing the air from the air pipe. It becomes difficult to pick. In addition, description about the same effect as the 1st Embodiment of this invention is abbreviate | omitted.

Next, a trailer crime prevention device according to a third embodiment of the present invention will be described with reference to FIG. The same parts as those of the first and second embodiments of the present invention or the conceivable parts are denoted by the same reference numerals and detailed description thereof is omitted.
In the third embodiment of the present invention, two covers 14A and 14B, which cover the overlapping service line coupling 10A and the overlapping emergency line coupling 10B, which are fixed alongside the trailer, respectively, A fixing member 22 that fixes the two covers 14A and 14B to each other in accordance with the positional relationship between the two couplings 10A and 10B is provided.

  Therefore, the two covers 14A and 14B fixed to each other in accordance with the positions of the two couplings 10A and 10B are provided on both the coupling 10A for the overlapping service line and the coupling 10B for the overlapping emergency line. It will be installed at the same time. In this example, even if one of the air brake couplings 10A (10B) is rotated and removed from the trailer-side air piping with the protection means 12 mounted, the one of the air brake couplings 10A (10B) The rotation is blocked by the other air brake coupling 10B (10A). Therefore, it is difficult to adopt a theft technique means such as releasing the air brake and allowing the trailer to travel by removing the overlapped air brake coupling 10 from the air pipe on the trailer side and removing the air from the air pipe. Become. In addition, description about the same effect as the 1st Embodiment of this invention is abbreviate | omitted.

Next, a trailer crime prevention device according to a fourth embodiment of the present invention will be described with reference to FIG.
The protection means 12 according to the present embodiment stands upright so as to sandwich the overlapping service line coupling 10A and the overlapping emergency line coupling 10B, which are fixed alongside the trailer (frame) 23, from the outside. The pair of stays 24 that protrude from the trailer 23 more than these two couplings 10A and 10B are engaged with the pair of stays 24, and the two couplings 10A and 10B move forward ( Or a cover 26 that covers the side) and a fixing means 28 that fixes the cover 26 to the stay 24.
The cover 26 used in the illustrated example is a rod that is inserted into a hole 24 a formed in the stay 24, and a stopper 26 a that cannot be inserted into the hole 24 a of the stay 24 is fixed to one end portion of the cover 26. A through hole 26 b is formed in the other end, and a detachable fixing means 28 such as a dial lock is provided as a means for preventing the cover 26 from coming off from the stay 24. In addition, the cover 26 can use not only a rod but also a pipe material or a plate material.

  According to the fourth embodiment of the present invention having the above-described configuration, the cover 26 fixed to the stay 24 by the fixing means 28 includes the coupling 10A for the overlapping service line and the cup for the overlapping emergency line. By covering the front of the ring 10B, the connection space between the two couplings 10A and 10B and the tractor side coupling (not shown) is closed by the cover 26. Therefore, the engagement between the two air brake couplings 10A and 10B and the tractor side coupling is physically prevented.

  In addition, with the fixing means 28 functioning as a retaining stopper removed from the other end of the cover 26, the cover 26 is inserted into the holes 24a of the pair of stays 24, and then the fixing means 28 is attached to the other end. The cover 26 is fixed to the stay 24. Then, in a state where the cover 26 is fixed to the stay 24, the cover 26 closes a connection space of the tractor side coupling with respect to the coupling for the overlapping service line and the coupling for the overlapping emergency line. Therefore, the engagement between the two air brake couplings 10A and 10B and the tractor side coupling is physically impossible.

Thus, also in the fourth embodiment of the present invention, the air brake couplings 10A and 10B fixed to the trailer 23 and the tractor side coupling fixed to the tip of the air hose extending from the tractor by the protection means 12 It is possible to make it difficult to release the air brake, which is physically blocked and leads to theft of the trailer.
In the present embodiment as well, if the dial lock (28) is used as a means for preventing the pin 16 from coming off from the cover 14, it is possible to lock and lock without passing the key during a modal shift. This increases convenience.

  Further, as a further embodiment of the present invention, there is provided an air interposed between a connection surface of an air brake coupling fixed to a trailer and a connection surface of a tractor side coupling fixed to an air hose extending from the tractor. As a means for protecting the brake coupling, a clamp that closes the connecting surface of the air brake coupling is used, and a clamp mechanism that locks / unlocks the opening / closing operation of the clamp is also provided in the clamp as in the above embodiments In addition, the engagement between the air brake coupling and the tractor side coupling (not shown) is physically blocked.

  Note that none of the protection means 12 according to each embodiment of the present invention can completely prevent the trailer from being stolen. However, it is understood that the use of these is extremely effective as a theft prevention measure in terms of criminal psychology because it takes extra time, such as removing or destroying the protection means 12 when the trailer is stolen. Will.

It is a three-dimensional schematic diagram which shows the state before mounting | wearing with the overlap type air brake coupling of the trailer crime prevention apparatus based on the 1st Embodiment of this invention. It is a three-dimensional schematic diagram which shows the mounting state to the overlap type air brake coupling of the trailer crime prevention device according to the first embodiment of the present invention. It is a three-dimensional schematic diagram which shows the state before mounting | wearing with the overlap type air brake coupling of the trailer crime prevention apparatus based on the 2nd Embodiment of this invention. It is a three-dimensional schematic diagram which shows the mounting | wearing state to the overlap type air brake coupling of the trailer crime prevention apparatus based on the 2nd Embodiment of this invention. It is a three-dimensional schematic diagram which shows the state before mounting | wearing with the overlap type air brake coupling of the trailer crime prevention apparatus based on the 3rd Embodiment of this invention. It is a three-dimensional schematic diagram which shows the mounting state of the trailer crime prevention apparatus based on the 4th Embodiment of this invention.

Explanation of symbols

10: Overlapping air brake coupling, 10A: Overlapping service line coupling, 10B: Overlapping emergency line coupling, 10a: Connecting surface, 10b: Vent, 12: Protection means, 14: Cover, 14a: insertion hole, 14c: storage chamber, 14d: through hole, 16: pin, 16c: through hole, 22: fixing member, 24: stay, 26: cover, 28: fixing means

Claims (8)

The air brake coupling protective means is provided between a connecting surface of the air brake coupling fixed to the trailer and a connecting surface of the tractor side coupling fixed to the air hose extending from the tractor. Trailer security device. The protection means is inserted into a vent opening to the connection surface of the overlapped air brake coupling via a cover that covers the connection surface of the air brake coupling and an insertion hole provided in the cover. The trailer crime prevention device according to claim 1, further comprising a pin. The said cover has a storage chamber with a constant cross-sectional shape in which the opening shape which followed the shape which projected the part including the connection surface of a lap type air brake coupling from the front end side is maintained. Trailer crime prevention device as described. 4. The trailer crime prevention device according to claim 2, further comprising means for preventing the pin from coming off from the cover. The trailer crime prevention according to any one of claims 2 to 4, wherein the cover has a lip portion that covers a two-sided width portion that engages with a tool when the lap-type air brake coupling is attached to or detached from the trailer. apparatus. Two covers covering the coupling for the overlapping service line and the coupling for the overlapping emergency line, which are fixed side by side on the trailer, and the two covers, which are aligned with each other in accordance with the positional relationship of the two couplings. The trailer crime prevention device according to claim 2, further comprising a fixing member that fixes the trailer. The protective means protrudes more than these two couplings, which are erected so as to sandwich the coupling for the overlapping service line and the coupling for the overlapping emergency line from the outside, which are fixed alongside the trailer. A pair of stays, a cover that covers the pair of stays and covers at least one of the side or front of the two couplings, and a fixing unit that fixes the cover to the stay. The trailer crime prevention device according to claim 1. The cover is a rod that is inserted into a hole formed in the stay, and a retaining member that cannot be inserted into the hole of the stay is fixed to one end portion of the rod, and the retaining member is secured to the other end portion. The trailer crime prevention device according to claim 7, wherein the trailer is detachably provided.

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