JP2002129528A - Expansion type crossing gate for road - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crossing gate having an arm which opens and closes the arm easier, is telescopic and can be easily closed, stored or opened without providing a receiving support. SOLUTION: The base is supported by a support B, a freely rotatable arm A is provided, and a road is closed or opened by this arm A of the crossing gate; a linking plate having a shaft for rotating the arm A and a circular arc edge of a concentric circle are installed horizontally at the top of the support B; notches facing shaft direction are provided at the positions located 90 degrees mutually at two places of the circular arc of the linking plate; a lever is journaled near the base of a turning arm 10; the bottom end of the lever always pushes the circular arc edge of the linking plate by the dead weight for fitting the bottom end; a telescopic arm 11 is made an uncovered telescopic arm relative to the turning arm 10; and when the telescopic arm 11 is shrunk by sliding the telescopic arm 11 in the base direction of the turning arm 10, a pushing piece provided at the end edge of support B side of the telescopic arm pushes the top end of the lever, and the bottom end of the lever is separated from a notch of the linking plate in the configuration.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road to which a tollgate is closed or opened by rotating horizontally an arm having one end supported by a column at a tollgate or the like of an expressway. The present invention relates to a telescopic breaker.

[0002]

2. Description of the Related Art Conventionally, at a tollgate or the like on a highway, a circuit breaker is used to open and close a roadway to regulate the traffic of a vehicle. And Japanese Patent No. 2899251. The circuit breaker disclosed in Japanese Patent No. 2759439 includes an arm, a column supporting the base of the arm, and a separate receiving column supporting and locking the distal end of the arm when the arm is stored. A locking portion is provided, and a locking portion for gripping the locked portion is provided at a distal end portion of the arm. The circuit breaker of Japanese Patent No. 2899251 supports the arm and the base portion of the arm. The supporting part of the supporting column, which supports the base of the arm, is formed of a box whose one side can be opened and closed. The side of this box is opened and closed to lock or rotate the arm. That is.

[0003]

However, in the above-mentioned Japanese Patent No. 2759439, when the arm is stored, that is, when the road is opened, a receiving column for locking the tip of the arm is required. It is time-consuming and expensive to provide the arm, and the operator must hold the tip of the arm each time the arm is stored. Further, in Japanese Patent No. 2899251, each time the arm is opened and closed, one side of the box provided on the column must be opened and closed, which is troublesome, and the receiving column is not required. The operator must move the arm with the arm and go to the support position.

In these circuit breakers, signs or the like are provided on the side surfaces of the arms in order to clearly indicate the prohibition of entry of the vehicle. However, unlike the latter circuit breaker, the circuit breaker does not have a receiving column. Then, the arm sinks due to the weight of the sign or the like when the arm is stored.

Accordingly, the present invention solves the above-mentioned problem by providing a circuit breaker having an arm which can be easily opened and closed, and which can be easily stored and opened and closed, without providing a supporting column.

[0006]

According to the first aspect of the present invention, there is provided a horizontally rotatable arm having a base supported by a column, and the arm is rotated to block or open a road. In the circuit breaker, a base of a rotating arm rotatable about 90 degrees in a horizontal direction is supported by a substantially vertical axis on an upper part of the support, and a lock having an arc edge concentric with the axis is provided below the axis. The plate is provided horizontally, and two notches are provided at the arcuate edges of the locking plate and at 90 degrees to each other, and the cutouts are oriented in the axial direction. The lower end of the lever always presses the arc edge of the locking plate by its own weight, and at each of the notches, the lever fits into each of the notches. At the tip of the rotating arm, a telescopic arm is attached to the rotating arm. Provided fitted into Hikanmuri or inner circumference in the circumferential,
The telescopic arm is extendable and retractable with respect to the rotary arm. When the telescopic arm is slid in the base direction of the rotary arm and the telescopic arm is contracted, the pressing piece provided on the end of the telescopic arm on the side of the column supports the lever. , And the lower end of the lever is disengaged from the notch of the locking plate.

According to a second aspect of the present invention, there is provided a telescopic circuit breaker for roads according to the first aspect, wherein a shaft supporting a base of the rotary arm is slightly inclined in a direction in which the arm is housed.

Further, according to a third aspect of the present invention, when the telescopic arm is slid along the outer periphery of the rotary arm, a pressing piece provided at a column side edge of the telescopic arm presses an upper end of the lever, When the pressing piece stops pressing, a spring is provided on at least one of the tip of the rotating arm or the inside of the end on the supporting column side of the rotating arm so that the telescopic arm moves slightly outward with respect to the rotating arm. Claim 1 or 2
The telescopic circuit breaker for roads described in the above was used.

According to a fourth aspect of the present invention, a fitting member is provided at the lower end of the lever to fit into the notch of the locking plate, and the fitting member may be broken or cut by a certain impact or more. The telescopic circuit breaker for roads according to any one of claims 1, 2 and 3, wherein

According to a fifth aspect of the present invention, when the notch is provided in the locking plate of the rotary arm, the notch is formed in an arc piece fixedly provided by a breaking pin along an arc edge of the locking plate. Wherein the breaking pin is made of a material or a structure that breaks, bends, or breaks in response to a certain impact or more, and that the locking plate comes off.
The telescopic circuit breaker for roads according to any one of 2, 3, and 4.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, the circuit breaker according to the present embodiment includes an arm A and a support B for supporting the arm A. The arm A is positioned rearward about the support B (in the direction of the arrow in FIG. 2). ), Can be freely rotated 90 degrees horizontally.

Referring to the shape of the column B, as shown in FIG. 3, the column B has a shape in which a rectangular tube is erected.
The upper part and the lower part are divided, and each is fixed by a flange 1. The upper surface of the column B is closed by the column cover 2. At a position slightly lower than the upper surface, the two side surfaces of the front and left sides in FIG. Each of the bolt holes 4 is drilled one by one, and an end 5a of a lower arm receiving plate 5 having an arc edge to be described later projects from the lower edge of the opening surface 3 as shown in FIG. . The lower arm receiving plate 5 substantially horizontally covers the hollow portion of the column B. Further, the lower surface of the column B is fixed to a square base plate 6, and substantially triangular ribs 7 are provided on each side surface of the column fixed to the column B to reinforce the base plate 6. 6 is fixed to the ground by a chemical anchor 8 as shown in FIG. A drain hole 9 is provided in the base plate 6 facing the hollow portion at the lower end of the column B.

The arm A comprises a rotating arm 10 having a base supported by a column B as shown in FIGS. 1 and 2, and a telescopic arm 11 at the tip. The rotating arm 10 is made of a stainless steel composite material, and is shown in FIGS.
As shown in FIG. 5, a square pipe having a smaller diameter than a telescopic arm 11 to be described later is used as a main member 12a, and side plates 13 having a U-shaped cross section (hereinafter referred to as a front side plate 13a and a rear side plate 13b) are respectively bent at front and rear sides thereof. It is fixed by a rivet 14 so that the edge is on the upper and lower sides, and is provided from one end to the other end. A reflective seal 13c is attached to a concave portion of the upper surface of the rotary arm, and a front plate 13a and a rear plate 13b are attached.
Reflecting plates 13d, 13d are adhered to the concave portions, respectively. Furthermore, the main member 12b of the base that is pivotally supported by the column B of the rotating arm 10 is not the square pipe described above, but is a combination of two channel members in a square pipe shape. Further, the front side plate 1
3a and the rear side plate 13b are fixed as described above. Further, a spring is provided on the distal end surface of the rotary arm 10 (not shown). As shown in FIG. 8, a fixed length resin-based slide bearing 15 is provided on the upper and lower surfaces outside the distal end of the rotary arm 10 with bolts 16a and nuts 16b.
Is fixedly provided.

The telescopic arm 11 is made of a square pipe made of aluminum, and has a pressing piece 11a, which is a projection that presses in contact with a lock lever, which will be described later, on the upper surface of the end on the column B side as shown in FIG. And a cap (not shown) is placed over the opening at the end on the distal end side and closed. On the upper and lower surfaces inside the end on the side of the support B, a resin-based slide bearing 17 of a fixed length is provided with a bolt 18a and a nut 18b.
It is stuck in. Further, as shown in FIGS. 1 and 2, a round sign board 19 is provided on the front side of the telescopic arm 11, which is located at the center of the entire arm A, and the arm A is provided with a reflective seal 13c and a reflective plate. 13d alternately colors red and white to make it stand out.

As shown in FIGS. 8 to 10, the connecting portion between the rotating arm 10 and the telescopic arm 11 is connected by fitting the distal end of the rotary arm 10 into the end of the telescopic arm 11 on the side of the column B. At this time, the telescopic arm 11
The rotary arm 10 is formed by a resin-based slide bearing 17 provided on the upper and lower surfaces inside the end of the rotary arm and a resin-based slide bearing 15 provided on the upper and lower surfaces outside the end of the rotary arm 10.
Are not detached from the telescopic arm 11 and are slidable with each other. Also, as described above, the rotating arm 10
A reflective seal 13c and a reflective plate 13d are respectively adhered to the upper surface, the front side plate 13a, and the rear side plate 13b. There is no contact with the reflection seal 13c or the reflection plate 13d, no damage, and no hindrance to the sliding of the arms 10, 11.

A mechanism for supporting and rotating the rotating arm 10 in the column B will be described. As shown in FIGS. 11 to 13, on the lower edge of the opening surface 3 provided on the upper part of the support B,
As described above, the lower arm receiving plate 5 having an arc edge is provided, and the lever receiving plate 2 which is an arc piece along the edge having the arc edge of the lower arm receiving plate 5.
0 are screwed into through-holes 21 provided at both ends of the lower arm receiving plate 5 and the lever receiving plate 20 and at three places in the center, and these are integrally provided by screwing. , At both ends of the lever receiving plate 20,
Notches 23 are formed at 90 degrees to each other in the axial direction. A rectangular upper arm receiving plate 24 for horizontally closing the hollow portion of the column B is provided on the upper edge of the opening surface 3.
Is provided. Then, a shaft 25 is passed through the lower arm receiving plate 5 from above the upper arm receiving plate 24 at the center of the plane of the column B, and a bolt 25 is inserted into the upper arm receiving plate 24 and the lower arm receiving plate 5 with bolts. They are rotatably supported via a substantially disk-shaped upper bearing unit 26 or lower bearing unit 27, respectively, which are fixed by nuts (not shown).

As shown in FIG. 11, an adjusting bolt 28 is screwed into a bolt hole 4 provided on the upper two side surfaces of the column B, and the tip of the adjusting bolt 28 presses the upper part of the upper bearing unit 26. The shaft 25 is provided at an angle of about 2 degrees toward the direction in which the shaft 25 is stored.
With the inclination, the diameter of the through hole 24a for inserting the bolt of the upper arm receiving plate 24 for fixing the upper bearing unit 26 is provided slightly larger than the normal diameter so that the upper bearing unit 26 can be moved. On the back surface of the upper arm receiving plate 24, there is provided a square adjustment back washer 29 having a smaller diameter than the horizontal cross section of the column B.
The shaft 25 is provided with a step at the position of the lower bearing unit 27 so that the diameter of the shaft 25 is smaller than the diameter of the shaft 25 above the position.
Is provided so as to be locked on the upper surface of the lower bearing unit 27. Further, the shaft 25 is supported by a circular stopper 30 at the upper end so as not to come off the upper bearing unit 26.

At the position between the upper arm receiving plate 24 and the lower arm receiving plate 5 of the shaft 25 provided in this way, the end on the base side of the rotating arm 10 is fixed. Here, the configuration of the end of the rotary arm 10 fixed to the shaft 25 will be described. As shown in FIGS. 11, 14 and 15, the main member 12 at the end of the rotary arm 10 is used.
In the upper and lower surfaces of b, through-holes larger than the diameter of the shaft 25 that penetrates are formed. Are provided by welding. Screw holes 31a are formed in the side surfaces of the two collars 31 on the front plate 13a side, and through holes (not shown) are formed in the corresponding positions of the main material 12b and the front plate 13a of the screw holes 31a. After the shaft 25 is inserted through the two collars 31, the push screw 32 is inserted through the through holes of the front plate 13 a and the main member 12 b.
One end of the rotating arm 10 and the shaft 2
5 is fixed.

As shown in FIGS. 11 and 16, at a position before the support B of the rotary arm 10 fixed to the shaft 25, the main member 12b, the front side plate 13a and the rear side plate 13b
A through hole 33 is formed horizontally, and square holes 34 and 35 are formed in the upper surface and the lower surface of the main member 12b. A pin bolt 36 is horizontally passed through the through hole 33 to form an axis. , And an upper end 37a and a lower end 37b are formed in the upper and lower square holes 34,
The arm 35 projects upward and downward from the rotary arm 10. A lower end 37b of the lock lever 37 protruding downward from the rotary arm 10 is sandwiched between the forked portions of a flat Y-shaped breaking plate 38 shown in FIG. Two through-holes are formed in the horizontal direction in the part, and the part is screwed and fixed with two screws. Further, the lock lever 37 has a center of gravity at the lower part, and the lower part is always supported by the support B by its own weight. , So that the tip 38 a of the breaking plate 38 in the form of a flat plate is always fitted into the notch 23 of the lever receiving plate 20. Further, the lock lever 37 locks a lower portion and a lower surface of the rotary arm 10 with a spring 39 to reinforce the rotation of the lock lever 37 in the column B direction.

The connection between the main member 12b made of the channel material and the main member 12a made of the square pipe is performed as shown in FIG.
And connected at the opposite side.

Next, the opening and closing of the circuit breaker of this embodiment will be described. First, in order to store the circuit breaker with the road closed and open the road, the operator presses the extended distal end of the extendable arm 11 toward the column B. Then, the telescopic arm 11 moves on the rotary arm 10 toward the column B while covering the rotary arm 10, and when approaching the column B, a pressing piece 11 a provided at the end of the telescopic arm 11 on the column B side. Then, the upper end 37a of the lock lever 37 protruding from the upper surface of the rotary arm 10 is pressed. Then, the upper end 37a of the lock lever 37 moves in the direction of the column B and rotates about the shaft, and the lower end 3a of the lock lever 37 moves.
7b moves in the opposite direction to the support B, the breaking plate 38 comes off the one notch 23 of the lever receiving plate 20,
The lock on the lever receiving plate 20 is released.

Thereafter, the shaft 25 is connected to the opening 3
The arm 25 is tilted approximately two degrees toward the direction in which the arm A is housed, so that the breaking plate 38 provided integrally with the lock lever 37 is inclined on the edge of the lever receiving plate 20 by the shaft 25. It automatically rotates in the direction of the left side in FIG. On the other hand, at this time, the telescopic arm 11 provided with the pressing piece 11a that presses the upper end 37a of the lock lever 37 of the rotating arm 10 is attached to the lock lever 3
7, the inner end collides with a spring (not shown) attached to the distal end of the rotating arm 10, and while the spring is being pressed, the spring returns slightly to return to that position. stay. As a result, the pressing of the lock lever 37 is completed, the lock lever 37 returns to the rotation in the direction of the shaft 25 that is constantly biased, and the distal end portion 38 a of the breaking plate 38 presses the edge of the lever receiving plate 20. The rotating arm 10 is locked by the other notch 23 of the lever receiving plate 20 and the rotation of the rotating arm 10 ends, and the rotating arm 10 itself is also fixed to the column B.

Thus, the telescopic arm 11 covered by the rotary arm 10 rotates 90 degrees in the back direction in FIG.
The telescopic arm 11 and the rotating arm 10 are stored. In order to install the circuit breaker in a state where the road is closed, an operator presses the tip of the telescopic arm 11 covered by the rotating arm 10 to release the locking of the breaking plate 38 and puts the telescopic arm 11 on. The rotating arm 10 is rotated to the road closing position with the crown on, and then the crowned telescopic arm 11 is extended by hand to close the road.

In the above embodiment, the telescopic arm 1
1 is provided by a square pipe, and the rotating arm 10 is
A square pipe is used as a main member 12a, and a front side surface 13a and a rear side plate 13b of which a side plate having a U-shaped cross section is fixed by a rivet 14 so that both bent edges are on the outside are used. The arm 11 and the rotating arm 10 are not required to have these configurations. As the lever of the telescopic arm 11, a lock lever 37 having a substantially “U” shape and a center of gravity provided at the lower portion is employed, but the configuration of the lever is not limited thereto.

In the state where the road is closed with the arm A closed, even if the vehicle enters by mistake and receives an impact on the circuit breaker, the shaft 25 or the shaft 25
The lock lever 37 is fitted into the notch 23 provided in the locking plate having the arcuate edge so that the part at the damaged portion can be easily and inexpensively replaced without giving an impact to the supporting mechanism and the like. As a configuration for fixing the rotation of the lock lever 37, a lock lever 37 and a separately provided break plate 38 are connected, but the present invention is not limited to this configuration, and the lock lever 37 and the break plate 38 are integrally provided from the beginning. Is also good. Further, a breaking plate 38 is employed as a material or a structure which is connected to the lower end portion 37b of the lock lever 37 and breaks or breaks a fitting member which fits into the notch 23 of the locking plate with a certain impact or more. However, these are not limited to the configuration.

The lower arm receiving plate 5, the lever receiving plate 20, and the edges of the lower arm receiving plate 5 and the lever receiving plate 20 may be made of a material or a structure that breaks or bends in response to a certain impact or more. The small-diameter break pins 22 are screwed into the left and right ends and three places in the middle of the left and right sides, but the present invention is not limited to these. Further telescopic arm 1
A spring is provided on the rotary arm 10 or the telescopic arm 11 so that the telescopic arm 11 moves slightly outward with respect to the rotary arm 10 after the first pressing piece 11a presses. Is provided, but the present invention is not limited to this configuration. Although the inclination angle of the shaft 25 in the support B is set to 2 degrees, the shaft 25 may be provided vertically without being inclined. Further, although the telescopic arm 11 is configured to be covered by the rotary arm 10, the telescopic arm 11 may be slidably fitted inside the rotary arm 10.

[0027]

According to each of the first to fifth aspects of the present invention, there is no need to provide a supporting column for the arm, and no labor and cost are required. Also, the operator can very easily fix the arm at a predetermined position and open and close the arm simply by holding the tip of the telescopic arm with one hand and lightly pressing and rotating the arm. For example, the worker can do so without looking at the support pillar, watching the passing vehicle, or signaling with a red flag or the like that calls attention.

According to a second aspect of the present invention, when the arm is stored,
Since the axis supporting the base of the rotating arm is slightly inclined in the direction in which the arm is housed, the rotating arm automatically rotates smoothly after the lever is released from the locking plate of the support column, and the rotation arm is extremely smoothly rotated. It is convenient. According to a third aspect of the present invention, the distal end of the rotary arm is slid so that the telescopic arm slides along the outer periphery of the rotary arm, and after the pressing piece stops pressing the lever, the telescopic arm moves slightly outward with respect to the rotary arm. Since a spring is provided on at least one of the inner part of the arm and the end of the telescopic arm, the pressing piece is quickly released from the state of pressing the lever, so that the lever returns to the normal biased state, and the arm is securely fixed when housed. Done in

According to each of the fourth and fifth aspects of the present invention,
In the state where the arm is closed and the road is closed, even if the vehicle enters by mistake and receives an impact on the circuit breaker, a fitting member that fits into the notch of the locking plate at the lower end of the lever, the rotating arm Since the locking plate or the breaking pin to which the arc piece is fixed along the arc edge of the locking plate is made of a material or a structure that breaks or bends in response to a certain impact or more, respectively, the shaft of the breaker The parts at the damaged portions can be easily replaced at low cost without giving an impact to the shaft support mechanism or the like.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment of the present invention.

FIG. 3 is a front view of a column according to the embodiment of the present invention.

FIG. 4 is a sectional view taken along line CC in FIG. 3;

FIG. 5 is a sectional view taken along line DD in FIG. 3;

FIG. 6 is a longitudinal sectional view of a rotary arm according to the embodiment of the present invention.

FIG. 7 is a partial front view of the rotary arm according to the embodiment of the present invention.

FIG. 8 is an explanatory diagram showing a connection portion between the rotary arm and the telescopic arm according to the embodiment of the present invention.

FIG. 9 is a sectional view taken along line EE in FIG. 8;

FIG. 10 is a sectional view taken along line FF in FIG. 8;

FIG. 11 is an explanatory view showing a mechanism for supporting and rotating the rotary arm according to the embodiment of the present invention.

FIG. 12 is an explanatory view showing a state in which a lever receiving plate is connected to an edge of the lower arm receiving plate according to the embodiment of the present invention.

FIG. 13 is an explanatory diagram showing a schematic configuration of an upper portion of a column according to the embodiment of the present invention.

FIG. 14 is an explanatory diagram showing a schematic configuration inside a base of the rotary arm according to the embodiment of the present invention.

FIG. 15 is a perspective view showing a schematic configuration of a base of the rotary arm according to the embodiment of the present invention.

FIG. 16 is an explanatory cross-sectional view showing a configuration of a lock lever portion at a base of the rotary arm according to the embodiment of the present invention.

FIG. 17 is a plan view of a break plate according to the embodiment of the present invention.

[Explanation of symbols]

A arm B column 5 lower arm receiving plate 10 rotating arm 11 telescopic arm 20
Lever receiving plate 22 Breaking pin 23
Notch 25 Shaft 37
Lock lever 38 Break plate

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[Procedure amendment]

[Submission date] October 31, 2000 (2000.10.
31)

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 4

FIG.

FIG. 2

FIG. 3

FIG. 5

FIG. 6

FIG. 7

FIG. 8

FIG. 14

FIG. 9

FIG. 10

FIG. 11

FIG.

FIG.

FIG. 13

FIG.

Claims (5)

[Claims] A horizontally rotatable arm having a base supported by a column, and an arm that is rotated to block or open a road. The base of the rotating arm that can be rotated horizontally by about 90 degrees is supported by a substantially vertical shaft, and a locking plate having a circular arc edge concentric with the shaft is horizontally provided below the shaft. At two positions on the rim and at 90 degrees to each other, a notch directed in the axial direction is provided, and near the base of the rotating arm, a lever having both ends projecting up and down of the rotating arm is pivotally supported. The lower end of the lever always presses the arc edge of the locking plate by its own weight, and the lever is configured to fit into each of the notches at the notch portions. The rotary arm is provided so as to be fitted on the outer circumference of the crown or the inner circumference. When the telescopic arm is slidable in the direction of the base of the rotary arm and the telescopic arm is contracted, the pressing piece provided at the end of the telescopic arm on the side of the column supports the lever. Characterized in that the upper end of the lever is pressed so that the lower end of the lever is disengaged from the notch of the locking plate. 2. A shaft supporting a base of the rotating arm,
The telescopic breaker for roads according to claim 1, characterized in that it is slightly inclined in the direction in which the arm is stored. 3. When the telescopic arm is slid along the outer periphery of the rotary arm, a pressing piece provided on an end of the telescopic arm on the side of the column presses the upper end of the lever, and the pressing piece stops pressing. A spring provided on at least one of the distal end of the rotary arm or the inside of the end of the telescopic arm on the column side so that the telescopic arm moves slightly outward with respect to the rotary arm. Item 3. A telescopic breaker for roads according to item 1 or 2. 4. A lower end portion of the lever is provided with a fitting member that fits into a notch of the locking plate, and the fitting member is made of a material or a structure that breaks or breaks in response to a certain impact or more. The telescopic breaker for roads according to any one of claims 1, 2, and 3, characterized in that: 5. When a notch is provided in the locking plate of the rotating arm, a notch is provided in an arc piece fixedly provided by a breaking pin along an arc edge of the locking plate, and the breaking pin is provided with a notch. 4. A material or a structure that breaks, bends, or breaks in response to a certain impact or more, and the locking plate is detached.
Or a telescopic circuit breaker for a road according to any one of the above items 4.