KR102191526B1 - Cctv lifting device for ternal - Google Patents

Abstract

Disclosed is an improved rotary elevating device for a tunnel CCTV, which is configured so that the CCTV can be lowered to the lower wall of a tunnel by rotating an elevating support on which the CCTV is installed, so that inspection or repair of the CCTV can be made safely and easily.

Description

CCTV rotary elevating device for tunnel {CCTV LIFTING DEVICE FOR TERNAL}

The present invention relates to a CCTV rotary elevating device for a tunnel, and more specifically, it is configured to lower the CCTV to the lower wall side of the tunnel by rotating the elevator support installed with the CCTV, so that the CCTV inspection or repair is safe and easy. It relates to a CCTV rotary elevating device for tunnels to be made possible.

In general, CCTV refers to CCTV (Closed Circuit Television), and it is a system that transmits images from a specific building or facility to a specific receiver using a wired or special wireless transmission path.For industrial, educational, medical, traffic control, surveillance and disaster prevention. There are various uses, such as for use and for transmitting image information within the company.

On the other hand, CCTV requires periodic inspection as the clarity of image quality may deteriorate with the lapse of the period of use, and if a malfunction occurs, problems such as security, safety or accident prevention may occur in the area. It must be checked or repaired quickly.

However, the CCTV installed in the tunnel is difficult to inspect or repair because it is easily accessible by humans, and in general, it is necessary to use a movable elevated ladder or mobilize a ladder car, but it takes a lot of time and cost to use a ladder car, etc. In the case of using a mobile ladder, there are many risk factors, so these days, workers tend to avoid the above method.

Therefore, the technology of raising and lowering the CCTV itself to check or repair the CCTV installed in the tunnel is increasingly used.

Looking at the conventional techniques related to the device for raising and lowering the CCTV, Korean Patent No. 10-1580786 is for manually raising and lowering the CCTV camera 51, and the A2 block is manually rotated by rotating the handle 11. When raised and lowered, the CCTV camera 51 and the left and right lamps 52 and 53 included in the A2 block are configured to move up and down, and the cable connected to the CCTV camera 51 helps to move vertically up and down. A CCTV manual lifter provided with a cable bay 85 and a cable bay support 81 is disclosed.

In addition, in Korean Utility Model Publication No. 1995-0007229, by pulling or releasing the wire rope (16) through the forward or reverse rotation of the motor (11), the actuator (8) is lifted or lowered to be fastened to the actuator (8). There is disclosed an electric manual lift that lifts an object fixed to the clamping zones 17 ′ and 17 ″ and rotates the object horizontally by manually manipulating the handle 10 while the object is lifted.

In addition, Korean Utility Model Publication No. 20-0429331 relates to a technology for raising and lowering a CCTV camera using a rope. The CCTV camera located at the top of the straight post 1 is raised and lowered using a chain or rope. , CCTV camera coupled to the fixing plate 20 is a closed circuit TV camera lift structure configured to move while being fixed to the fixed plate 20 even during the lifting and lowering operation is disclosed.

However, the above conventional technology is to check and repair the CCTV, the CCTV is raised and lowered only vertically through a cable or wire rope, and to repair or check the device installed on the top of the roadway, traffic accidents or blocking of lanes There could be problems such as traffic congestion due to the problem, and safety problems could also occur for the technician performing the work. In particular, the conventional technology has a problem that it is difficult to apply to a place such as a tunnel with a relatively low side height and a curved upper surface (especially a wide tunnel including several lanes).

In addition, the conventional technology has a problem in that an accident occurs due to a fall of a CCTV when a cable or wire rope is obsolete and stubborn or cut by an external environment, and the cable electrically connecting the CCTV to the outside is exposed to the outside. There was a problem that a problem occurred in the operation of the CCTV by being cut by the lifting and lowering of the device and external environment.

The present invention has been proposed to improve the above-described problems, and an object of the present invention is configured to lower the CCTV to the lower wall side of the tunnel by rotating the elevator support on which the CCTV is installed, so that the CCTV inspection or repair is safe and easy. It is to provide an improved CCTV rotary elevating device for tunnels so that it can be achieved.

In addition, an object of the present invention is to have a structure in which the wire that electrically connects the CCTV to the outside is accommodated inside the elevating device, so that the wire is not exposed to the outside of the device, so that the cable is cut by the elevating and external environment It is to provide an improved CCTV rotary elevating device for tunnels to prevent this.

The above-described object is a bracket composed of a fixing plate that is coupled to the front of a full box installed at a predetermined height of the tunnel and installed on the wall of the tunnel, an installation plate protruding from the lower end of the fixing plate to the inside of the tunnel, and It is seated and installed on the upper surface of the installation plate, so that a drive shaft with a worm inside is rotatably installed in the front and rear direction of the tunnel, and a driven shaft with a worm wheel that rotates in engagement with the worm is rotatably protruded toward the center of the tunnel. The elevating operation body to be installed, the handle coupled to the end of the drive shaft to rotate the drive shaft, the lower end is configured to be fixedly coupled to the driven shaft, and the CCTV is coupled to the upper end, and moving upward to correspond to the curved surface of the tunnel It is configured to include a lifting support having a round part to be rounded, and the drive shaft is rotated when the handle is rotated, and the driven shaft is rotated by the rotation of the worm wheel that rotates in engagement with the worm of the drive shaft, and the lower end thereof is coupled to the driven shaft. It is achieved by a CCTV rotary elevating device for a tunnel, characterized in that it is configured to lower the CCTV coupled to the upper end of the elevating support to the lower wall side of the tunnel while the elevating support is rotated.

Here, a communication hole communicating with the full box is formed in the fixing plate of the bracket, and an input hole corresponding to the communication hole is formed on the rear surface of the elevating operation body, and the communication hole and the input hole are connected by a hollow connecting tube, and the The driven shaft has a through hole formed therein, and the lifting support is made of a hollow pipe, and the lower end of the lifting support is in communication with the lifting support and is fitted to the driven shaft and fixed to the driven shaft by bolts fastened from the outside. A fixture to be coupled is formed protruding, and the wire connected from the full box to the CCTV is accommodated in the communication hole, the connection pipe, the input hole, the through hole of the driven shaft and the hollow of the lifting support, and is configured not to be exposed to the outside. It is desirable.

And, the upper end of the lifting support is coupled to a CCTV installation port for installing the CCTV in the left and right direction, the CCTV installation port is a flange formed on one side of the lifting support through a flange and bolts and nuts A rotation support is formed in which a pair of support units are formed and a pin hole is formed in the center on the other side, and a rotation unit is formed at the top and rotatably coupled by a rotation center pin inserted into the pin hole, and a CCTV is installed at the bottom. A pivoting mounting plate provided with a mounting plate, a cylinder body hinged to the middle portion of the pivoting support and supported rotatably, and a cylinder rod hinged to the middle of the pivoting mount through a bracket and supported rotatably Consisting of, it is preferable to be configured to include an angle adjustment cylinder for adjusting the installation angle of the CCTV installed in the rotational mounting base by rotating the rotational mounting base in the rotational support by the expansion of the cylinder rod.

The CCTV rotary elevating device for a tunnel according to the present invention is configured to lower the CCTV to the lower wall side of the tunnel by rotating the elevator support on which the CCTV is installed, so that the operator can secure the CCTV on the sidewalk without controlling the roadway in the tunnel. There is an effect that you can easily check or repair work.

1 is an exploded perspective view of a CCTV rotary elevating device for a tunnel according to the present invention,
2 is a side view of a CCTV rotary elevating device for a tunnel according to the present invention,
3 is a cross-sectional view of a CCTV rotary elevating device for a tunnel according to the present invention,
4 and 5 are operation diagrams of a CCTV rotary elevating device for a tunnel according to the present invention,
6 is a view showing another preferred embodiment of a CCTV rotary elevating device for a tunnel according to the present invention,
7 and 8 are operation views of the CCTV rotary elevating device for the tunnel according to FIG. 6.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 3, the CCTV rotary elevating device for a tunnel according to the present invention is configured to lower the CCTV to the lower wall side (india side) of the tunnel by rotating the elevator support installed with the CCTV. It is characterized in that the inspection or repair is configured to be safely and easily made, and is configured to include a bracket 100, an elevating operation body 200, a handle 300 and an elevating support 400.

Here, the CCTV rotary elevating device for a tunnel according to the present invention is installed in front of the full box 2 to facilitate the introduction of electricity into the CCTV 10, the full box 2 is the tunnel 1 It is provided to facilitate the introduction of electricity, such as when the pipe is long or branching in the piping work of the tunnel 1, and is located at a predetermined height of the tunnel 1 above the sidewalk 4 provided to the side of the tunnel 1 Installed. And, a fixed ladder (5) is fixedly installed at the lower side of the pull box (2), and a movable ladder (6) is hung on the fixed ladder (5) to check the pull box (2) through the movable ladder (6). It is structured to do.

The bracket 100 is installed on the wall surface of the tunnel 1 and the elevating body 200 is installed, and is coupled to the front of the full box B installed at a predetermined height of the tunnel 1 It consists of a fixing plate 110 installed on the wall and an installation plate 120 protruding from the lower end of the fixing plate toward the inside of the tunnel.

Here, a screw hole 111 is formed in the fixing plate 110, inserted into the screw hole 111, and through an anchor bolt (A) fastened to the wall surface of the tunnel 1, the fixing plate 110 is attached to the wall surface of the tunnel (1). ) Is configured to be tightly fixed. In addition, a coupling hole 121 is formed in the installation plate 120 so that the lower portion of the elevating operation body 200 is fixedly coupled to the installation plate 120 through a bolt (B) and a nut (N).

The elevating operation body 200 is a part for operating the elevating support 400 to be described later to be rotated, and is provided in a box shape and mounted on the upper surface of the mounting plate 120 of the bracket 100. A support support 201 is integrally provided at the lower end of the lifting operation body 200, and a bolt (B) and a nut (N) coupled to the support support 210 through the coupling hole 111 of the fixing plate 110 are provided. By fastening, the lifting operation body 200 is configured to be fixedly coupled to the installation plate 120.

In addition, in the elevating operation body 200, a drive shaft 210 having a worm 211 formed therein is installed in the front and rear direction of the tunnel 1 so as to be rotatable, and a worm wheel engaged with the worm 211 to rotate ( The driven shaft 220 on which the 221 is formed is installed to protrude toward the center of the tunnel 1 so as to be rotatable. Here, a bearing cap 230 having bearings fitted to both sides of the driven shaft 220 is coupled to the elevating operation body 200, and a bearing cap in which the bearings are fitted in the front and rear of the elevating operation body 200 ( The drive shaft 210 is rotatably supported by 240 so that the drive shaft 210 is configured to be perpendicular to the driven shaft 220.

The handle 300 is coupled to the end of the drive shaft 210 protruding outward of the lifting operation body 200 is configured to rotate the drive shaft 210. That is, when the handle 300 is rotated, the drive shaft 210 rotates while the worm 211 rotates, and the worm gear 221 toothed so that the worm 211 and the shaft are orthogonal to each other also rotates and at the same time the driven shaft 220 will also rotate. Here, it goes without saying that the handle 300 may be configured to rotate the drive shaft 210 by forward and reverse rotation of the drive motor by replacing the drive motor.

The lifting support 400 is configured such that the lower end is fixedly coupled to the driven shaft 220 and the CCTV 10 is coupled to the upper end. That is, the lifting support 400 is coupled to extend upward from the driven shaft 220 so that the CCTV 10 installed at the top thereof can be installed at a predetermined height of the tunnel 1, and the driven shaft 220 It is configured to be able to lower the CCTV 10 to the lower wall side (india side) of the tunnel 1 while being rotated to the lower side of the tunnel 1 by the rotation of.

Here, it is preferable that the elevating support 400 has a round portion 410 formed to be rounded toward the upper side to correspond to the curved surface of the tunnel 1, in this way, a round portion formed to correspond to the curved surface of the tunnel 1 CCTV 10 installed at the end of the lifting support 400 by 410 can be installed without interference on the wall of the tunnel 1, and when the lifting support 400 for descending the CCTV 10 rotates In addition, there is an advantage that the lifting support 400 can be rotated without interference on the wall of the tunnel 1.

On the other hand, according to the present invention, it is characterized in that it has a structure in which a wire (W) electrically connecting the CCTV 10 installed on the lifting support 400 to the outside is accommodated into the lifting device.

To this end, a communication hole 112 communicating with the pull box 2 is formed in the fixing plate 110 of the bracket 100, and the communication hole 112 corresponds to the rear surface of the elevating operation body 200 The input hole 250 is formed, the communication hole 112 and the input hole 250 are connected by a hollow connection pipe 260, and the driven shaft 220 has a through hole 222 formed therein. And, the lifting support 400 is composed of a pipe of a hollow (401). And, at the lower end of the lifting support 400, a fixture that is connected to the lifting support 400 and is fixedly coupled to the driven shaft 220 by a bolt (B) that is inserted into the driven shaft 220 and fastened from the outside ( 420 is formed protruding.

By this configuration, the present invention is the wire (W) connected from the full box (2) to the CCTV 10 is the communication hole 112, the connection pipe 260, the input hole 250, the driven shaft ( It is accommodated and installed in the through hole 222 of 220 and the hollow 401 of the lifting support 400. Therefore, since the wire W connected from the full box 2 to the CCTV 10 is installed inside the elevating device and configured not to be exposed to the outside of the device, the elevating and descending of the CCTV 10 and the external environment There is an advantage of not only being able to prevent the electric wire (W) from being cut, but also the appearance of the elevating device can be beautifully configured.

It looks at the operation and effect of the CCTV elevating device for a tunnel according to the present invention configured as described above.

First, as shown in FIG. 4, the CCTV elevating device for a tunnel according to the present invention is installed in the front of the full box 2 installed in the tunnel 1, in this way, in the front of the full box 2 When installed, the CCTV 10 installed on the upper end of the lifting support 400 is located at a predetermined height of the tunnel 1 above the roadway 3, and monitors the inside of the tunnel 1.

And, when the CCTV (10) needs to be checked or repaired, the operator moves to the pool box (2) through the sidewalk (4) in the tunnel (1), and then attaches the movable ladder (6) to the fixed ladder (5). After installation by hanging, it moves to the vicinity of the elevating device through a movable ladder (6).

And, when the handle 300 installed on the elevating operation body 200 is rotated, the drive shaft 210 connected to the handle 300 rotates while the worm 211 installed on the drive shaft 210 rotates, and at the same time, the worm 211 ) And the worm gear 221 teeth-coupled so that the shaft is orthogonal to each other also rotates, and the driven shaft 220 rotates together with the worm gear 221.

Then, as shown in Figure 5, the lifting support 400, the lower end coupled to the driven shaft 220 by the rotation of the driven shaft 220 is rotated to the lower side of the tunnel (1), The CCTV 10 coupled to the top is lowered to the lower wall side (india side) 4 of the tunnel. Here, the lifting support 400 and the CCTV 10 are rotated toward the lower wall of the tunnel 1 without interference with the wall of the tunnel 1 by the round part 410 formed on the lifting support 400. And, in the sidewalk 4 formed on the side of the tunnel 1, the operator inspects and repairs the CCTV 10 lowered to the lower wall side (india side) 3 of the tunnel by the rotation of the lifting support 400 do.

As described above, the CCTV rotary elevating device for a tunnel according to the present invention is configured to lower the CCTV to the lower wall side (india side) of the tunnel by rotating the elevator support on which the CCTV is installed, so it is necessary to block the lane in the tunnel. There is no problem such as traffic congestion and traffic accidents, and there is an advantage that CCTV inspection or repair can be safely and easily operated on the sidewalk formed on the side of the tunnel.

On the other hand, according to the present invention, as shown in Figure 6, characterized in that the CCTV installation tool 500 for installing the CCTV 10 to be angle-adjustable in the left-right direction is coupled to the upper end of the lifting support 400 do.

The CCTV installation port 500 has a flange portion 411 formed on the upper end of the lifting support 400 on one side and a flange portion 511 that is flange-coupled through a bolt (B) and a nut (N), and is formed in the center on the other side. It includes a pivoting support 510 on which a pair of support portions 512 having a pin hole 512a formed thereon is installed.

In addition, the CCTV installation port 500 has a rotating portion 520 that is rotatably coupled by a rotation center pin (P) inserted into the support part 512 at the top and inserted into the pin hole 512a. A rotating installation table 520 on which the installation plate 522 on which the CCTV 10 is installed is provided.

In addition, an angle adjustment cylinder 530 is installed between the rotation support 510 and the rotation installation table 520, and the angle adjustment cylinder 530 includes a bracket B in the middle portion of the rotation support 510. It consists of a cylinder body 531 that is hinged and rotatably supported through, and a cylinder rod 532 that is hinged to the middle portion of the rotation mounting table 520 through a bracket (B) and supported rotatably. Therefore, the angle adjustment cylinder 530 adjusts the installation angle of the CCTV 10 installed on the rotation installation table 520 by rotating the rotation installation table 520 in the rotation support 510 by the expansion and contraction of the cylinder rod 532 Is done.

The reason why the CCTV installation port 500 is installed on the upper end of the lifting support 400 to allow angle adjustment in the left and right direction of the CCTV 10 in the lifting support 400 is, as shown in FIG. 7, For inspection and repair of CCTV (10), when the elevator support (400) is rotated and the CCTV (10) is lowered to the lower wall side of the tunnel (india side) (3), the CCTV (10) moves to the sidewalk (3). It is possible to inspect and repair the CCTV (10) in the delivery (3), but the CCTV (10) is directed toward the roadway (3), so there are some inconvenient parts for the inspection and repair of the CCTV (10).

Thus, as shown in Figure 8, in a state in which the CCTV 10 is lowered to the lower wall side (india side) 3 of the tunnel 1 by rotating the lifting support 400, the angle adjustment cylinder 500 By extending the cylinder rod 530 of the pivoting support 510 to rotate the pivoting mount 520 in the downward direction, the CCTV 10 installed on the pivoting mount 520 is positioned to face the sidewalk (3) Let it. Therefore, the operator has the advantage of being able to more safely and easily inspect or repair the CCTV 10 completely located from the sidewalk 3 formed on the side of the tunnel 1 to the sidewalk 3 side.

As described above, the present invention has been illustrated and described in connection with specific embodiments, but those skilled in the art have known that various modifications and changes are possible within the limit without departing from the spirit and scope of the invention indicated by the claims. Anyone who grows up will be easily aware of it.

10: CCTV
100: bracket 200: lifting and lowering body
300: handle 400: lifting support
500: CCTV installation port

Claims (3)

A bracket consisting of a fixing plate that is coupled to the front of a full box installed at a predetermined height of the tunnel and installed on the wall of the tunnel, an installation plate protruding from the lower end of the fixing plate to the inside of the tunnel, and seated on the upper surface of the installation plate of the bracket It is installed, but the drive shaft with a worm inside is installed in the front and rear direction of the tunnel so as to be rotatable, and the driven shaft with a worm wheel that rotates in engagement with the worm is installed so as to protrude toward the center of the tunnel so that it can rotate. The body, the handle coupled to the end of the drive shaft to rotate the drive shaft, the lower end is configured to be fixedly coupled to the driven shaft, and the CCTV is coupled to the upper end, and a round part is formed so as to be rounded upward to correspond to the curved surface of the tunnel. Consists of including a lifting support,
When the handle is rotated, the drive shaft is rotated and the driven shaft is rotated by the rotation of the worm wheel that rotates in engagement with the worm of the drive shaft, and the elevator support coupled with its lower end to the driven shaft rotates, thereby enabling the CCTV coupled to the upper end of the lift support. It is configured to descend toward the lower wall of the tunnel,
At the top of the lifting support, a CCTV installation port for installing the CCTV so that the angle can be adjusted in the left and right directions is combined
The CCTV installation hole is formed on one side of the flange portion formed on the upper end of the lifting support and a flange portion coupled to the flange through bolts and nuts, and the other side has a pivoting support provided with a pair of support portions formed with a pin hole in the center, and fitted to the support portion at the top. A rotational installation base on which a rotation part is formed rotatably coupled by a rotation center pin inserted into the pin hole and an installation plate on which a CCTV is installed is provided at the bottom, and a hinge-coupled through a bracket to the middle part of the rotation support so as to be rotatably supported. It is composed of a cylinder body and a cylinder rod that is hinged to the middle part of the pivoting mounting table and supported rotatably through a bracket, and the CCTV installed on the pivoting mounting table is rotated from the pivoting support by the expansion and contraction of the cylinder rod. CCTV rotary elevating device for a tunnel, characterized in that configured to include an angle adjustment cylinder to adjust the installation angle.
The method of claim 1,
A communication hole communicating with the full box is formed in the fixing plate of the bracket,
An input hole corresponding to the communication hole is formed at the rear of the lifting and lowering operation body,
The communication hole and the input hole are connected by a hollow connection pipe,
The driven shaft has a through hole formed therein,
The lifting support is composed of a hollow pipe,
At the lower end of the lifting support, a fixture that is fixedly coupled to the driven shaft by a bolt communicated with the lifting support and fitted to the driven shaft and fastened from the outside is protruded,
CCTV rotary elevating and descending for tunnels, characterized in that the wires connected from the full box to the CCTV are accommodated in the communication hole, the connection pipe, the input hole, the through hole of the driven shaft, and the hollow of the lifting support, and are not exposed to the outside. Device.
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