KR100491813B1 - Chain gate - Google Patents

Abstract

In addition to reducing the frequency of exchange of warning lights, the driver of the vehicle can easily see the warning lights regardless of the positional relationship between the vehicle and the door column, and also immediately recognize the position and the position of the chain lifting by the warning light. It can provide a chaingate.

The chain gate A extends between the two door posts 1 provided at a predetermined distance from which the vehicle can pass so that the chains 2 can restrain the traffic of the vehicle. It is assumed that the motor moves up and down by the operation of an electric motor installed on at least one of the two door pillars. And a predetermined length in the outer circumferential direction so that the warning lights (51a, 51b) formed by alternately and plurally arranged a plurality of light emitting diodes of different colors on the upper side of the door pillar in a different direction of the outer circumference of the door pillar Install. This warning light flashes or lights up in one color during the lifting operation of chains, and flashes or lights up in the other color when the chain is in contact with the other side and the vehicle is accessible.

Description

Chain gate {CHAIN GATE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to chain gates provided at entrances such as parking lots and plazas, and more particularly to improvements in warning lamps provided at the door posts.

Conventionally, as this kind of chain gate, for example, as disclosed in Japanese Patent Application Laid-Open No. 3-32613, two door posts are provided at a predetermined distance from which a vehicle can pass, and a link chain or the like is provided between the two door posts. Only certain vehicles, such as contract cars, pass through chains, wires, ropes, or the like (hereinafter referred to as chains), moving chains up and down at least at one doorpost over a height position that can block traffic. It is known to make it possible.

The structure which moves a chain up and down by a door column is disclosed by the said publication, and what was shown also in FIG. 11 is implemented. That is, the rotation of the screw shaft 102 extending in the vertical direction inside the door pillar 101 is freely disposed, the upper end of the screw shaft 102 is connected to the reducer-mounted electric motor (103). The screw shaft 102 has a slide block 104 with a nut engaged with the nut, and the slide block 104 has a hook member extending outward through a slit 105 formed in the door pillar 101. The 106 is fixed by welding, and the chains are connected to the ends of the hook members 106 through the shackles 107. When the electric motor 103 is operated, the screw shaft 102 rotates, and the slide block 104 is axially moved by the screw shaft 102 such that the hook members 106 and the chains move vertically. Meanwhile, in FIG. 11, 110 is a manual handle mounting shaft installed in the electric motor 103, 111 and 112 are control panels disposed on the opposite side to the hook member 106 with the screw shaft 102 in the door pillar 101 interposed therebetween. And the connecting box, 113 and 114 are the upper cover and the lower cover to close the inspection entrance formed in the door pillar 101 corresponding to the control panel 111 and the connection box 112, respectively, 115 and 116 is a door pillar ( The control box and the remote control receiver 117 disposed inside the upper portion of the 101, respectively, are warning lamps composed of incandescent bulbs installed on the upper portion of the door pillar 101.

In addition, as another structure for moving the chain up and down, for example, as disclosed in Japanese Patent Application Laid-Open No. 7-82715, a hanging member such as a belt or a chain is wound around a rotating body such as a pulley or a sprocket rotated by an electric motor, It is also known that a hook member connected to one end of chains is connected to one end of the hanging member and supported in a suspended state, thereby moving the chains up and down by the operation of the electric motor.

By the way, in the conventional chain gate, a warning light 117 made of an incandescent light bulb provided at the upper portion of the door pillar 101 is blinked in red at the time of lifting and lowering of the chains, and it is displayed to the driver of the vehicle who wants to pass through the chain gate. Although it is to be informed, there was a problem that the warning lamp 117 has a short life span in a relatively short period of time, so that the frequency of light bulb replacement is high. In addition, since the warning lamp 117 is provided only at one place on one side of the door pillar 101, the driver may warn the driver depending on the positional relationship between the vehicle and the door pillar 101, the installation location of the door pillar 101, and the like. It may be hard to see 117. In addition, although the driver can recognize the lifting time of the chains by the warning light 117, the driver cannot immediately recognize the position (rising position or the lowering position) of the chains, and confirms the position by the chains themselves. There is also a problem.

SUMMARY OF THE INVENTION The present invention has been made in view of such a point, and an object of the present invention is to improve the warning lamps provided in the door pillars, thereby reducing the frequency of replacement of the warning lamps, and in spite of the positional relationship between the vehicle and the door pillars. It is to provide a chain gate which allows the driver of the vehicle to easily see the warning light, and also recognize the position and the position of the chain by the warning light immediately.

In order to solve the said subject, the 1st invention of this invention is a chain gate, and is chained to the height position which can prevent the passage of a vehicle between two door posts provided with the predetermined distance which a vehicle can pass, This chain is based on the premise that it is provided to move up and down by operation of the electric motor provided in at least one of the said two door pillars. Then, a warning lamp made by arranging two light emitting diodes of different colors alternately and plurally on the upper side of the door post is provided over a predetermined length in the outer circumferential direction so as to be seen from a different direction of the outer circumference of the door post. This warning lamp is configured to blink in one color during the lifting and lowering operation of the chains, and to light in the other color when the chains come into contact with the ground and the vehicle can pass.

In this configuration, since the warning light is made of a light emitting diode, the frequency of replacement of the warning light is considerably smaller than in the case of the conventional light bulb. In addition, since the warning light is installed over a predetermined length in the direction of the outer circumference of the door pillar, and the outer circumference of the door pillar can be seen from the other direction, the driver of the vehicle has a warning light despite the positional relationship between the vehicle and the door pillar. It can be seen easily, and also by the flashing or lighting of the different color of the warning light, it is possible to immediately recognize both the position and the lifting operation of the chains.

The first invention is further provided with a sensor for detecting the ambient illuminance, and the warning light is configured to indicate the presence of the chain gate at night and when the chain is at a height position that can block traffic of the vehicle. It is configured to blink at the same color as in the case of the elevating operation and at a different period from that in the elevating operation. With this configuration, it is possible to prevent an accident in which the driver of the vehicle passes through the chain gate at night without knowing the existence of the chain gate.

According to a second aspect of the invention, in the chaingate of the first aspect of the invention, the above-mentioned warning lamp is provided in the upper and lower two stages on the upper side of the door pillar, and the warning lamps of the two upper and lower stages flash alternately. With this configuration, it is easy to call attention of the driver by the cross-blinking of the warning lamps in the upper and lower two stages, and the prevention of the accident can be further planned.

In a third aspect of the invention, in the chaingate of the first invention or the second invention, the door pillar is formed in a substantially cylindrical shape, and the warning lamp extends in the circumferential direction of the door pillar. Two light emitting diodes of different colors are arranged alternately and plurally, depending on the inner side of. In this configuration, not only the appearance of the door column is excellent, but also the range in which the warning light is visible around the door column is wider than the length of the warning light, making the warning light easier to see.

Embodiment

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described according to drawing.

1 and 2 show a chain gate A according to an embodiment of the present invention, which is a gate of two (one shown in the figure) provided at a predetermined distance from which a vehicle can pass. It consists of a link chain 2 as a chain which spans the column 1 and the height position which can block the traffic of a vehicle between these two door pillars 1. The two door posts 1 have the same basic configuration, and one door post 1 shown in the following description will be described.

That is, the door post 1 has a substantially rectangular base plate 4 fixed by an anchor bolt 3 on the road surface of the installation place, as shown in detail in Figs. A cylindrical support pillar 5 having a rectangular cross section vertically provided on the square) and an elliptical casing 6 having a flat portion on one side thereof are provided with a cross-sectional shape formed by covering the support pillar 5. On one side of the support pillar 5, an inspection entrance 7 is formed over the entire front surface, and an inspection lid 8 for blocking the inspection entrance 7 is attached by vis fixing, and an inspection lid In (8), the slit 10 through which the hook member 9 connected to one end of the said link chain 2 penetrates is formed in the vertical direction over the whole length. The casing 6 is composed of a lower case 12 and an upper case 15 mounted to cover an upper end thereof, and the lower case 12 includes the hook member 9 having a slit of the inspection lid 8. The slit 16 which penetrates continuously with the 10 is formed.

A motor housing 21 is attached to the upper portion of the support pillar 5, and the upper sprocket 22 is rotatably supported by the motor housing 21, and an electric motor 23 is provided in the motor housing 21. ) And a reduction gear mechanism 24 are provided. In addition, a lower sprocket 25 is provided at a lower portion of the support pillar 5, and an endless roller chain 26 is wound between the lower sprocket 25 and the upper sprocket 22, and the roller chain 26 is provided. The part of is fixed to the elevating plate 27. One end of the hook member 9 is rotatably connected to the elevating plate 27, and a pair of upper and lower guide rollers 28 and 28 are provided on the opposite side with the connecting portion and the roller chain 26 interposed therebetween. Rotation is freely attached, and both of the guide rollers 28 and 28 are rolling motions in the guide rails 29 extending in the vertical direction formed on the inner surface of the support pillar 5. When the electric motor 23 is operated, the rotational force in the forward or reverse rotational direction is transmitted to the upper sprocket 22 through the reduction gear mechanism 24, and when the sprocket 22 rotates, the lifting plate 27 ) And the hook member 9 is supported by the roller chain 26 in a suspended state, and is configured to move up or down under the guidance of the guide roller 28 and the guide rail 29. In addition, in the motor housing 21, an electromagnetic brake 33 connected to the rotary shaft 23a of the electric motor 23 is provided in addition to the electric motor 23 and the reduction gear mechanism 24.

Two upper and lower warning lights 51a and 51b and an upper and lower lamp 52 are attached to the upper case 15. As shown in Fig. 6, each of the warning lamps 51a and 51b includes two light emitting diodes (LEDs) having different colors, and a red and green light emitting diode 54 according to the present embodiment. A plurality of lens surfaces 55 are alternately arranged along the inner side of 55, and the lens surface 55 is provided over a predetermined length along the outer circumferential surface of the upper case 15 and further in the outer circumferential direction thereof. Therefore, each warning light 51a, 51b is not only seen by the side of the vehicle passage side of the door pillar 1, but also in an oblique rear and an oblique front.

Moreover, the door pillar 1 is equipped with the emergency switch 61 as shown to FIG. 2 and FIG. As shown in detail in FIG. 7, the emergency switch 61 has a frame border attached to the outer surface side peripheral edge of the opening 62 formed in the support pillar 5 by holding the acrylic resin plate 64. 65, a switch support 66 attached to an inner surface side circumferential edge of the opening 62 of the support pillar 5 on the side opposite to the frame frame 65, and viewed from the outside through the acrylic resin plate 64. The switch main body 67 attached to the switch support 66 is provided so that it may become possible. The switch support 66 is attached with an EE switch 68 as an illuminance sensor for detecting illuminance around the door post 1, and a light receiving hole 69 is formed in the frame border 65. The Cds cell 70, which is the light receiving portion of the EE switch 68, is inserted into the light receiving hole 69.

Each signal of the emergency switch 61 (in detail, the switch body 67) and the EE switch 68 is connected to a control box fixed to an upper end of the support column 5 through a lead wire (not shown). 71). The control box 71 is provided with a signal of the photoelectric switch 72 as an optical sensor for detecting passage of other vehicles, and limit switches 73 and 74 for detecting the upper and lower limit positions of the hook member 9, respectively. A signal or the like is input to help control the operation of the electric motor 23, the electromagnetic brake 33, and the like by the control box 71 and the control of the warning lamps 51a, 51b and the field lamp 52 accordingly.

Next, the control by the said control box 71 is demonstrated according to the flowchart shown to FIG. 8 and FIG.

8 shows the control flow when the link chain 2 is raised from the lowered position. That is, the control box 71 first cancels the braking state by the electromagnetic brake 33 in step S1 and then rotates the electric motor 23 forward. Then, as the rotational force is transmitted to the upper sprocket 22 through the reduction gear mechanism 24 and the upper sprocket 22 rotates, the lifting plate 27 and the hook member 9 supported by the roller chain 26 are rotated. ) Rises and thus the link chain 2 also rises.

Then, when the elevating plate 27 and the hook member 9 are raised to a predetermined raised position, the upper limit limit switch 73 detects it and turns ON. Then, the control box 71 stops the operation of the electric motor 23 in step S3, and operates the electromagnetic brake 33 to rotate the rotary shaft 23a and the upper sprocket 22 of the electric motor 23. Stop it.

On the other hand, in the state in which the upper limit limit switch 73 is OFF, it waits until predetermined time exceeds in step S4. The predetermined time is a time obtained by adding 1 to 2 seconds to the time (about 6 seconds) required for the elevating plate 27 to rise from the lowered position to the predetermined raised position. As the reason for not rising to the ascending position, there may be considered that an obstacle exists on the track of the link chain 2, or an abnormality occurs in the mechanism. For this reason, when the predetermined time is exceeded, the control box 71 stops the operation of the electric motor 23 once in step S5, and at step S6 alerts the user by flashing or lighting the warning lights 51a and 51b. Output

Subsequently, the control box 71 reversely rotates the electric motor 23 in step S7. Then, the rotational force is transmitted to the upper sprocket 22 through the reduction gear mechanism 24 and the upper sprocket 22 rotates, whereby the lifting plate 27 and the hook member 9 supported on the roller chain 26 are moved. As a result, the link chain 2 is lowered accordingly. Then, when the lifting plate 27 and the hook member 9 are lowered to a predetermined lowered position, the lower limit switch 74 detects it and turns to ON, and the control box 71 changes the electric motor in step S9. While stopping the operation of the 23, the electromagnetic brake 33 is operated to stop the rotation of the rotary shaft 23a and the upper sprocket 22 of the electric motor 23. On the other hand, when the lower limit switch 74 is in the OFF state, the motor brake 23 is stopped while the operation of the electric motor 23 is stopped at step S11 until the predetermined time is exceeded at step S10. By operating, the rotation shaft 23a of the electric motor 23 and the upper sprocket 22 are stopped.

According to the ascending control of the link chain 2 as described above, the elevating plate 27 to the link chain 2 are predetermined due to the presence of an obstacle on the track of the link chain 2 or an abnormality in the mechanism. When the motor does not rise to the predetermined rising position within the time, the alarm is output and the operation of the motor 23 is once stopped, so that excessive load of the motor 23 or the like can be prevented for a long time. Failure or accidents can be prevented. In addition, after the motor 23 is once stopped, the motor 23 is further rotated to return the link chain 2 to its original lowered position, thereby further preventing failures and accidents. .

On the other hand, the lowering control of the link chain 2 has not been described in detail, but the same as in the case of the raising control of the link chain 2 described above. In other words, when the link chain 2 does not descend to a predetermined lowering position within a predetermined time, a method such as outputting an alarm and stopping the operation of the motor 23 once is performed. We can plan prevention of accident.

9 shows the control flow of the warning lights 51a and 51b. That is, first, in step S21, it is determined whether the operation of the electric motor 23 is stopped. When this determination is NO, that is, when the motor 23 is operating and the link chain 2 is rising or falling, the warning lights 51a and 51b flash in red in step S26. This blinking alternates the upper warning light 51a and the lower warning light 51b at a timing shown in FIG. 10 in synchronization with the output of the electric motor 23, and has a relatively short period (0.7 seconds).

On the other hand, when the operation | movement of the electric motor 23 whose determination of step S21 is YES is stopped, it is determined in step S22 whether the link chain 2 is stopped in a raise position. When this determination is YES, at step S23, it is determined whether or not it is night according to the signal from the EE switch 68, and at step S24, it is determined whether or not the LED operation switch is ON. The LED operation switch is provided on a control panel (not shown) in the control box 71 and is switched by the manager of the chain gate A or the like. And when both judgments are YES, the warning lights 51a and 51b blink in red in step S25. This flashing alternates the upper warning light 51a and the lower warning light 51b in synchronism with the output of the motor 23 as in the case of the flashing in step S26. The flashing cycle is blinking in step S26. It is set longer than the period (3.2 seconds).

When the determination in step S22 is NO, that is, when the link chain 2 is stopped in the lowered position, it is determined in step S27 whether or not it is within a predetermined time (set time of the timer on the control panel) after stopping, and the determination is made. In the case of YES, the warning lights 51a and 51b are all lit in green in step S28, and when the judgment is NO, they are returned as they are. In addition, when either determination of said step S23 and step S24 is NO, all the warning lights 51a and 51b turn off at step S29, and then return.

According to the control of the warning lights 51a and 51b described above, the warning lights 51a and 51b not only flash red while the link chain 2 is lifting and lowering, and the link chain 2 has a predetermined lowering position. Since the warning lights 51a and 51b light up green when the vehicle is stopped in a state where it can pass, the driver of the vehicle who wants to pass through the chain gate A is connected to the link chain 2 by displaying the warning lights 51a and 51b. It can be easily recognized that the vehicle is in the descending position of the passage, and the chaingate A can pass safely. In addition, at night and when the link chain 2 is at an elevated position, that is, at a height position capable of blocking traffic of the vehicle, the warning lights 51a and 51b turn red unless the manager or the like turns off the LED operation switch. In addition, since the light blinks at a longer period than the blinking period during the link chain 2 operation, it is possible to recognize the presence of the chain gate A, and to ensure the safe passage of the vehicle more reliably. On the other hand, the night light 52 is turned on at night, and the link chain 2 in the ascending position is started to recognize the presence of the chain gate A to the driver.

In addition, since each of the warning lamps 51a and 51b is made of a light emitting diode 54, the replacement frequency of the warning lamps 51a and 51b can be significantly reduced as compared with the case of a conventional light bulb. In addition, each of the warning lights 51a and 51b is installed over a predetermined length in the outer circumferential direction of the door post 1 and is visible from the oblique rear and oblique front as well as the vehicle traffic side of the door post 1. Therefore, despite the positional relationship between the vehicle and the door column 1, the driver of the vehicle can easily see the warning lights 51a and 51b, and from this point of view, the safety passage can be secured even more reliably. have.

In addition, when the two upper and lower warning lights 51a and 51b flash red, they alternately flash, so that the driver's attention can be easily recalled. In addition, the warning posts 51a and 51b are formed in the upper part of the door post 1, and the door post 1 is formed in a substantially cylindrical shape (in detail, an elliptical shape having a partial flat surface). 51a and 51b, two light emitting diodes 54 of different colors are formed along the inside of the lens surface 55 of a circular arc cross section extending in the circumferential direction of the upper case 15 of the door pillar 1; By arranging a plurality of alternatingly and alternately, not only the appearance of the door pillar 1 can be improved, but also the range of the warning lamps 51a and 51b visible around the door pillar 1 is the length of the warning lamps 51a and 51b. It can spread in proportion to. As a result, the functions of the warning lights 51a and 51b can be exhibited to the maximum, and accident prevention can be attained.

In addition, this invention is not limited to the said embodiment, Comprising: Various other embodiment is included. For example, in the said embodiment, although the cross-sectional shape of the casing 6 of the door pillar 1 was the elliptical shape which has a flat part in 1 side surface, this invention is not limited to this, The cross-sectional shape of the casing of a door pillar is not limited to this. The present invention can also be applied to the case of the rectangular one, that is, the square of the door pillar. In this case, the warning light is arranged along the upper outer circumference of the casing and on the outer surface of the casing so that the outer circumference of the door pillar can be seen in different directions. What is necessary is just to install over the predetermined length so that the side surface of at least 2 directions may be extended.

Moreover, in the said embodiment, although the case where the hook member 9 connected with the link chain 2 is moved up and down in each of the two door pillars 1 was described, this invention is one of two door pillars. Needless to say, the same applies to the case where the hook member is moved up and down only by the door pillar, or when another chain, wire or rope is used instead of the link chain 2.

As described above, according to the chain gate of the present invention, the frequency of exchange of warning lamps can be significantly reduced, and the driver of the vehicle can easily see the warning lamps despite the positional relationship between the vehicle and the door column. The blinking or lighting of different warning lights makes it possible to immediately recognize both the lifting and lowering positions of the chains and the safety of the vehicle passing through the chain gate.

In particular, according to the second invention, since the warning lamp flashes to inform the presence of the chain gate at night and when the chains are at a height position that can block the traffic of the vehicle, the driver of the vehicle does not know the existence of the chain gate. Accidents that pass through the chain gate can be prevented and safety can be further enhanced.

In addition, in the third invention, the warning light of the upper and lower two stages flashes alternately, so that the driver's attention can be easily recalled, so that accident prevention can be further improved.

In addition, as the fourth invention, not only the appearance of the door column is excellent, but also the range where the warning light is visible around the door column can be effectively spread in proportion to the length of the warning light, which is extremely advantageous for implementation. will be.

1 is a perspective view of a chain gate according to an embodiment of the present invention.

2 is an ipsilateral side view.

3 is a front view of the door pillar partially cut away from the passage side of the vehicle;

4 is a cross-sectional view taken along the line K-K in FIG. 3.

5 is an enlarged cross-sectional view taken along line L-L in FIG. 3;

6 is an enlarged cross-sectional view taken along the line M-M of FIG.

7 is an enlarged cross-sectional view taken along line X-X in FIG. 2.

Fig. 8 is a flowchart showing rise control of a link chain.

9 is a flowchart showing control of a warning light.

Fig. 10 is a waveform diagram showing the timing of blinking up and down two stage warning lights.

Figure 11 is a perspective view showing the internal structure of a conventional chain gate door pillar.

<Description of the symbols for the main parts of the drawings>

A: Chaingate 1: door pillar

2: link chain (chain type) 15: upper case

23: motor 51a, 51b: warning light

54 Light Emitting Diode 55 Lens Surface

68: EE switch (illuminance sensor)

Claims (4)

Between two door posts installed at a certain distance from which the vehicle can pass, the chains are placed at a height position where the vehicle can block traffic, and the chains are connected to the operation of an electric motor installed on at least one of the two door posts. In the chain gate which is provided to move up and down by In the upper part of the door pillar, a warning lamp made by arranging two light emitting diodes of different colors alternately and plurally is provided over a predetermined length in the outer circumferential direction so that it can be seen from the other direction of the outer circumference of the door pillar, The warning lamp flashes in one color during the lifting and lowering of the chains, and lights up in the other color when the chains are in contact with the ground and the vehicle is accessible. It is equipped with a sensor for detecting the illuminance of the surroundings, and when the chains are at a height position that can block the traffic of the vehicle, the warning lamp is the same as during the lifting operation of the chains to inform the presence of the chain gate. The chain gate is provided so that it flashes at a different period from the color and during the elevating operation. The chain gate according to claim 1, wherein the warning lamp is provided in two upper and lower stages at the upper part of the door pillar, and alternately blinks when the upper and lower warning lamps flash. The said door pillar is formed in substantially cylindrical shape, The said warning light has two colors of which differ in color along the inside of the lens surface of the cross-sectional arc shape extended in the circumferential direction of this door pillar. And a plurality of light emitting diodes alternately arranged one by one. delete