KR100867115B1 - Supporting apparatus for installation of road traffic facilities - Google Patents

Abstract

A supporting apparatus is provided to perform smooth and firm opening and folding operation, and keep supporting status safe even if there is an external shock. A supporting apparatus comprises a pillar(10) having a perpendicular hollow structure, a support(20) which is connected to a hinge(23) near the top of pillar, and where road traffic facilities is installed, a safety mounting apparatus(90) combining and separating the pillar and the support, a sliding means(30) mounted to slide along the pillar, a folded member(40) of which the support is connected to on end and the sliding means are connected to the other end, a lifting means(50) sliding the sliding means to the top and bottom, a main driving means(60) driving the lifting means, a chain driving means(70) which is connected to the main driving means and drives the safety mounting apparatus.

Description

Supporting Apparatus for Installation of Road Traffic Facilities}

1 is a front view showing an unfolded state of the holding device for installing road traffic facilities according to the present invention,

Figure 2 is a front view showing a folded state of the holding device for installing road traffic facilities according to the present invention,

3A and 3B are cross-sectional views showing the main driving means, the lifting means, and the sliding means of the holding apparatus for installing road traffic facilities according to the present invention by expanding the portion A of FIG. 1, and FIG. Figure 3b is a cross-sectional view showing a state in which the action connecting shaft is separated from the lower rotary shaft of the electric motor,

4 is a plan view seen from the direction F of Figure 3a,

5 is an enlarged cross-sectional view showing the safety removal device of the holding device for installing road traffic facilities according to the present invention by expanding the portion B of FIG.

Figure 6a and Figure 6b is a sectional view showing the manual operation portion of the holding device for installation of road traffic facilities according to the present invention by expanding the portion C of Figure 1, Figure 6a is a state in which the manual operation of the manual operation connection shaft is lowered 3b is a cross-sectional view showing an elevated state,

7 is a side view as viewed in the direction E of FIG.

8 is a view showing the truss reinforcement structure is installed on the cradle of the holding device for installing road traffic facilities according to the present invention.

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

10: Shoring 11: Tow Ring

12: base 20: holder

21: camera 22: electronic board

23: hinge 30: sliding means

31: sliding body 32: flange

40: folding member 41: hinge

42: hinge 50: lifting means

51: protective box 52: the first bearing

53: First Bevel Gear 54: Second Bevel Gear

55: square female threaded hole 56: second bearing

57: elevation path 58: the first square threaded rod

60: main drive means 61: electric motor

62: upper rotary shaft 63: lower rotary shaft

64: reduction gear box 65: first reduction gear

66: second reduction gear 67: worm

68: worm wheel 69: first drive shaft

70: chain drive means 71: second drive shaft

72: first chain gear 73: circular chain

80: manual operation unit 81: gear fixing body

82: third bearing 83: third bevel gear

84: fourth bearing 85: fourth bevel gear

86: manual operation connecting shaft 87: coupling end

88: first key 89: first key groove

90: safety removal device 91: support plate

92: second chain gear 93: rotating rod

94: main rod 96: coupler

97: Square female thread keyway 98: Second square threaded rod

99: first bolt hole 101: bracket

102: end rod 103: support hole

104: second bolt hole 105: bolt

106: manual operation handle 107: rotating rod

108: second key 109: second key groove

110: control box 112: left and right shake prevention truss

113: circular truss for shaking up and down

The present invention relates to a holding device for installing a road traffic facility, and more particularly, to a holding device for installing a road traffic facility of a newly improved structure for installing various road traffic facilities such as an illegal parking control camera or a traffic light or a street lamp on a road. It is about.

'Road traffic facilities' referred to in the present specification is a name encompassing cameras, traffic lights, and streetlights for illegal parking on the road, and is also installed on the props and roadsides so that vehicles or people on the road can pass smoothly. Includes various facilities to be built on.

Various facilities are installed on the side of the road to induce or control the smooth traffic of people and vehicles, and one of them is a crackdown camera for cracking down on illegal parking vehicles that interfere with traffic flow. In addition, traffic lights that instruct vehicles or people to stop, detour, and proceed, street lights that are installed along the roadside for roadside lighting, traffic safety, or aesthetics, and other electronic signs and guides that indicate road conditions. It is a representative road traffic facility.

These road transportation facilities are generally installed on the posts that are constructed along with the basic structure at the corresponding site of the roadside. The installation order and method are as follows.

First, the foundation structure is firmly built on the ground, and then fixed using the crane in a state in which the support is placed on the foundation, and then the support is assembled to support the support by assembling the mount toward the road side. After installing the auxiliary means outside, install the above-mentioned camera or traffic light such as traffic lights, signboards, guide signs, street lights, etc. in a predetermined part of the cradle.

However, there is an inevitable problem in installing road traffic facilities using such a conventional general prop.

In other words, the cargo crane vehicle is used when installing the support on the foundation structure, which causes traffic jams during the working hours because the road at the installation site must be blocked, and in particular, various road transportation facilities such as cradles and supports are Since the cables are assembled or installed on the shore in the field, the work time is inevitably lengthened, and accordingly, the traffic jam time is lengthened, and the labor cost and the operation cost of the crane vehicle are also high.

In addition, even when a road traffic facility such as a camera or an electric signboard is broken and needs to be repaired, it is necessary to work with a crane while the road is blocked, so traffic jams and excessive cost of repairs are not a problem. Can't.

In addition, facilities such as cameras for illegal parking control can only function properly to clean the dust of the sight window periodically, the same problem occurs when cleaning.

Accordingly, in order to solve the above problems, the applicant of the present application has already applied for and registered a holding device for installing road traffic facilities, which is used to install various road traffic facilities such as a camera or a traffic light or street lamp for illegal parking on the road. No. 10-0695063 (2007.03.08).

However, the patent registered by the applicant of the present application has a weak durability problem of the locking means for locking the contact portion of the support in the state in which the cradle is unfolded, thus driving to maintain a safe and solid state when the cradle is folded or unfolded Improvements have been made in the means, the lifting means and the demounting device between the prop and the holder.

The present invention has been made in order to solve the problems of the conventional patent as described above, unlike the existing, by providing a new drive means, lifting means, safety detachment device, etc., the folding or unfolding operation of the cradle can be made firm and smooth, By the safety removal device which is operated by the chain driving means linked with the main driving means using the electric motor, the coupling or detachment operation between the support and the cradle can be made safely and firmly. It is an object of the present invention to provide a holding device for installing road traffic facilities that can be conveniently used in connection with a driving means. In addition, the object is to form a truss for preventing the left and right and up and down shake of the cradle to maintain a solid mounting state even if there is an external impact.

The present invention for achieving the above object is a strut having a hollow structure extending vertically; A cradle connected to the upper end of the shore by a hinge, which is folded side by side with respect to the shore, or is spread horizontally with respect to the ground, and a road transportation facility is installed; A safety detachment device provided at an upper end of the support and an upper end of the support facing each other, stably coupling or separating the support and the support from each other; Sliding means is installed to be able to slide up and down around the pillar; A folding member having one end rotatably coupled to the holder and the other end rotatably coupled to the sliding means; Lifting means installed on the support for sliding the sliding means up and down; A main driving means installed in the support so as to be connected to the lifting means and driving the lifting means; A chain driving means connected to the main driving means to drive the safety detachment device; It provides a holding device for installing road traffic facilities, characterized in that configured to include.

In a preferred embodiment, the main drive means: an electric motor fixedly installed in the pillar and having an upper and lower rotary shafts; A first reduction gear connected to an upper rotating shaft of the electric motor; A second reduction gear meshing with the first reduction gear; A worm connected coaxially with the second reduction gear; A worm wheel engaged with the worm; It is connected to the center of rotation of the worm wheel, characterized in that it comprises a first driving shaft extending in one direction and a second driving shaft extending in the other direction.

In another preferred embodiment, the elevating means includes: a first bevel gear connected to one end of the first drive shaft; A square female screw hole formed in a vertical direction at a center thereof, the second bevel gear meshing with the first bevel gear; And a first square screw rod which is inserted into and coupled to the square female screw hole of the second bevel gear.

In a further preferred embodiment, the chain drive means comprises: a first chain gear connected to the extended end of the second drive shaft; It characterized in that it comprises a circular chain that is engaged with the first chain gear.

As another preferred embodiment, the sliding means comprises: a sliding body which is arranged to be able to lift up and down while surrounding the outer peripheral surface of the support; It is formed integrally with the sliding body characterized in that it comprises a flange that is a portion that is connected to the lower end of the first square screw rod and the folding member.

In another preferred embodiment, the safety detachment device comprises: a support plate fixed to the upper inner wall surface of the support; A second chain gear rotatably mounted to the support plate to which the circulation chain is fitted; A rotation rod connected to the rotation center point of the second chain gear; A main rod formed at one side thereof with a coupler to which the end of the rotating rod is inserted and coupled, and a main rod having a square female screw key groove formed at the other side thereof; It is integrally formed on the upper inner surface of the cradle, it is characterized in that it comprises a second square screw rod that is inserted into the square female screw key groove when the main rod is rotated forward, and separated from the square female screw key groove during the reverse rotation.

At this time, the support means for preventing the sag of the rotating rod and the main rod, the bracket having a first bolt hole mounted on the upper inner wall surface of the support; An end rod having a support hole formed at a lower end thereof so as to surround a circumference of the rotating rod, and having a second bolt hole formed at an upper surface thereof; It is characterized in that it further comprises a bolt which is fastened to the first and second bolt holes to support and secure the end rod.

On the other hand, the present invention is characterized in that it further comprises a manual operation unit which is installed in the lower portion of the support so as to manually rotate the main drive means.

In another preferred embodiment, the manual operation portion: a gear fixing body fixed to the lower inner wall surface of the support; A third bevel gear installed at one side of the gear fixing body; A fourth bevel gear positioned on an upper side of the gear fixing body and engaged with the third bevel gear; The upper end is formed of a coupling end that is separated when coupled to the lower rotation shaft of the electric motor when the ascending or descending, the lower end of the fourth bevel gear is fastened to the center of the third bevel gear can be arranged facing A synchronizing coupling shaft; It characterized in that it comprises a manual operation mechanism for lifting the lower end of the manual operation connecting shaft while being fastened to the center of the third bevel gear.

At this time, the fastening between the lower end of the manual actuating connecting shaft and the fourth bevel gear is made by inserting the first key mounted on the lower end of the manual actuating connecting shaft into the first key groove formed on the inner circumferential surface of the fourth bevel gear. It is characterized by.

In particular, the manual operation mechanism includes: a manual operation handle which can be turned by hand; A rotary rod integrally formed at the center of the manual operation handle and having an end thereof lifting the lower end of the manual operation connection shaft; A second key mounted to an outer circumference of a middle portion of the rotating rod; It characterized in that it comprises a second key groove formed in the inner peripheral surface of the center of the third bevel gear so that the second key is coupled.

In addition, the end of the rotating rod is formed sharply at an acute angle so that the rotary rod can easily lift the manual control connecting shaft, the lower end of the manual operating connecting shaft is characterized in that formed in an obtuse elliptical shape.

Preferably, the cradle is formed integrally with the left and right shake prevention truss on the left and right sides, characterized in that a plurality of vertical trussing prevention circular truss is formed integrally in the vertical direction.

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

1 is a front view showing an unfolded state of the cradle of the holding device for installing road traffic facilities according to the present invention, Figure 2 is a front view showing a state in which the cradle is fully folded.

The main components according to the embodiment of the present invention is the support 10, the cradle 20, the sliding means 30, the folding member 40, the lifting means 50, the main driving means 60, the chain driving means ( 70), consisting of a manual operation unit 80, a safety removal device (90), etc. Looking at each configuration in detail as follows.

First, the strut 10 is a vertically extending pillar that has a hollow structure, the base 11 is provided at the lower end to be fixed to the ground of the roadside with an anchor bolt, etc. A towing ring 11 capable of hooking a crane hook or the like is provided to lift the 10 with equipment such as a crane so that it is easy to install on a roadside.

The post 10 is preferably manufactured from a stainless material such as SUS304 in consideration of durability and strength, and the holder 20 to be described later is also preferably composed of a stainless material.

The cradle 20 is coupled to the hinge 23 so as to be unfoldable and foldable near the upper end of the support 10, one end of the cradle 20 is installed illegal parking control camera 21, the middle The part is provided with a sign board 22 for notifying illegal parking, and other road traffic facilities such as traffic lights, guide signs, street lamps may be installed alone or in combination.

Accordingly, the hook of the crane is placed on the tow hook 11 provided at the upper end of the support 10 at the installation site of the road transport facility, and then positioned according to the installation site. Then, the base 11 provided at the lower end of the support 10 is placed on the roadside. Installation of the support | pillar 10 is completed by fixing to anchor surface with the anchor bolt.

Meanwhile, as shown in (a) of FIG. 8, the cradle 20 is integrally formed with the left and right shake prevention truss 112, and as shown in FIG. The upper and lower anti-shake circular truss 113 is formed integrally, so that the holder 20 can maintain a solid mounting state even by external factors (wind, impact, etc.).

Here, the main configuration of the sliding means 30, the folding member 40, the lifting means 50, the main drive means 60, the chain drive means 70, the manual operation unit 80, the safety removal device ( 90) and the like will be described with reference to FIGS. 3A to 7.

3A and 3B, the sliding means 30 is a member installed to be able to slide up and down around the support 10, and is disposed to be capable of lifting up and down while surrounding the outer circumferential surface of the support. Consists of a cylindrical sliding body 31 and a flange 32 protruding integrally to the sliding body, the flange is a portion to which the lower end of the first square screw rod and the lower end of the folding member are connected as will be described later. .

The folding member 40 forms a diagonal arrangement while supporting the holder when the holder 20 is in an unfolded state (horizontal state), and on the contrary, when the holder 20 is in a folded state (vertical state), the folding member 40 forms a vertical arrangement with the support. As a rod shape, the upper end is fastened to the lower end of the cradle 20 by a hinge 41, the lower end is fastened to the flange 32 of the sliding means 30 by a hinge 42.

At this time, the sliding body 31 is made of a cylindrical structure that completely surrounds the periphery of the support 10, but it is sufficient that the structure is not separated from the support 10 when sliding up and down, the support 10 for smooth sliding A general rail structure may be applied to a portion where the surface of the crankcase and the inner surface of the sliding body 31 contact each other.

Accordingly, when the sliding body 31 is raised and lowered around the support 10, the folding member 40 rotates the hinges 41 and 42 between the cradle 20 and the sliding body 31. While the cradle 20 serves to fold or unfold against the support (10).

Here, as a driving means for lifting the sliding means 30, the configuration of the main driving means is as follows.

3A and 3B and as shown in FIG. 4, the main driving means 60 is a means for finally providing a driving force for elevating the sliding means 30 via the elevating means 50. The electric motor 61 is fixedly installed in the post, and the electric motor 61 has upper and lower rotating shafts 62 and 63.

In addition, the reduction gear box 64 is arranged on the upper rotary shaft of the electric motor, the reduction gear box 64 is provided with a combination of reduction gears.

That is, as the reduction gear, the first reduction gear 65 is connected to the upper rotation shaft 62 of the electric motor 61, and the second reduction gear 66 is horizontal with the first reduction gear 65. It is arranged in the reduction gear box 64, and of course the second reduction gear 66 is brought into engagement with the first reduction gear 65.

In addition, the worm 67 is coupled to the upper portion of the second reduction gear 66 in a coaxial manner, and the worm wheel 68 is engaged with the worm 67.

In particular, the first driving shaft 69 is connected to one side of the rotation center of the worm wheel 68, the second driving shaft 71 is connected to the other side of the rotation center of the worm wheel 68, the first driving shaft 69 Is extended toward the elevating means 50, the second drive shaft 71 is extended toward the chain driving means (70).

Here, look at the configuration of the lifting means as follows.

As shown in FIGS. 3A and 3B, the elevating means 50 is a means for elevating the sliding means 30 by receiving the power of the main driving means 60, and on the outer surface of the support 10. It is combined and installed in the protection box 51 which is integrally mounted.

The first driving shaft 69 extends to the inside of the protective box 51, and the first bearing 52 is rotatably supported at one end of the first driving shaft 69 in one side of the protective box 51. ) Is mounted, and a first bevel gear 53 is connected to one end of the first driving shaft 69 further extending beyond the first bearing 52.

In addition, a second bevel gear 54 engaging with the first bevel gear 53 is disposed in the lower space of the protective box 51, and a square female screw in the vertical direction in the center of the second bevel gear 54. The hole 55 is formed.

In addition, a second bearing 56 is mounted in the lower space of the protective box 51 to rotatably support the second bevel gear 54.

In particular, the first square threaded rod 58 is inserted into the elevating path 57 formed in the vertical direction of the protective box 51 and the square female threaded hole 55 of the second bevel gear 54 so that the first squared screw rod 58 can be elevated. Combined.

Here, the spreading or folding operation of the cradle consisting of the linkage operation of the main driving means, the lifting means, the sliding means is as follows.

First, by operating the control system switch of the control box 110 provided in the support 10, the forward or reverse drive rotation of the electric motor 61 of the main drive means 60 is made, successively the electric motor 61 At the same time as the first reduction gear 65 connected to the rotating shaft of the rotating shaft, the second reduction gear 66 meshed with the first reduction gear 65 is rotated, and the second reduction gear 66 is continuously coaxial with the second reduction gear 66. The worm wheel 68 rotates while the worm 67 that rotates is engaged with the worm 67.

Subsequently, when the first driving shaft 69 connected to the worm wheel 68 rotates, the first bevel gear 53 rotates and the second bevel gear 54 rotates in place. The first square threaded rod 58 rises or falls within the square female threaded hole 55 of the second bevel gear 54.

As described above, since the lower end of the first square threaded rod 58 is fixed to the flange 32 of the sliding means 30, the sliding body 31 when the first square threaded rod 58 is raised or lowered is also included. Ascend and descend.

When the first square threaded rod 58 is raised, the sliding body 31 of the sliding means 30 is raised around the support 10, wherein the folding member 40 is hinged (41, 42) Rotate while lifting the cradle 20 around the center to form an oblique array, and eventually the cradle 20 becomes horizontal and unfolded.

On the other hand, when the first square screw rod 58 is lowered, the sliding body 31 of the sliding means 30 is lowered around the support 10, wherein the folding member 40 is a hinge ( 41, 42 is rotated while pulling the cradle 20 downward, and the cradle 20 also rotates around the hinge 23, which is a connection point with the support 10, and up and down with the support 10 It is in a folded state in parallel.

Therefore, a work for repairing or cleaning facilities such as the camera 21 or the electric sign 22 installed on the folded cradle 20 can be easily performed, and the cradle 20 can be folded in parallel with the support 10. This allows the work to proceed without occupying the lane of the road.

Here, referring to Figures 3a, 3b and 5 attached to the configuration of the chain drive means and the safety removal device as follows.

The chain driving means 70 is a means for driving the safety detachment device 90 for safe coupling or separation between the support 10 and the cradle 20, and is connected to the rotation center of the worm wheel 68 to drive the chain. The first chain gear 72 is connected to the end of the second drive shaft 71 extending toward the means 70.

In addition, the lower end of the circulation chain 73 is wound around the first chain gear 72.

The safety removal device 90 is a device for receiving the driving force of the chain drive means 70, the stable coupling or separation between the support 10 and the cradle 20, once on the upper inner wall surface of the support 10 A support plate 91 having a tension force is fixedly mounted.

In addition, a second chain gear 92 is rotatably mounted on the support plate 91, and an upper end of the circulation chain 73 is wound around the second chain gear 92.

At this time, the rotation rod 93 of the second chain gear extends toward the cradle 20 so as to be rotatable simultaneously, and the main rod 94 is connected to the end of the rotation rod 93, the main rod The rod 94 is formed in a rod shape in which the end of the rotary rod 93 is inserted into one side is coupled to the bolt is coupled to the bolt, the other side is formed with a square female screw key groove (97).

In particular, a second square threaded rod 98 is formed integrally on the upper inner surface of the cradle 20 to be inserted into or separated from the square female threaded key groove 97 of the main rod 94.

Accordingly, when the main rod rotates in one direction (when the cradle is unfolded by the coupling between the cradle and the support), the second square screw rod 98 of the cradle 20 is installed in the square female screw key groove 97 of the main rod 94. When inserted and coupled in reverse rotation (when the cradle is folded by separation between the cradle and the support), the second square screw rod 98 of the cradle 20 is separated from the square female screw key groove 97 of the main rod 94. Are separated.

On the other hand, the safety removal device 90 further includes a support means for preventing sagging of the rotary rod 93 and the main rod 94, and the like.

That is, the bracket 101 having the first bolt hole 99 is mounted on the inner wall surface of the upper end of the support 10, and the support hole 103 is formed at the lower end thereof, and the second bolt hole 104 is formed on the upper surface thereof. With the end rod 102 of the formed structure, the rotary rod 93 is inserted and wrapped in the support hole 103, and the bolt 105 is fastened to the first and second bolt holes (99, 104) The end rod 102 is supported and fixed.

As a result, the end rod 102 firmly grips the rotating rod 93 and the main rod 94, thereby preventing sagging of the rotating rod 93 and the main rod 94.

Here, the coupling or separation operation between the support and the cradle by the linkage operation of the chain drive means and the safety removal device is as follows.

As described above, the forward or reverse drive rotation of the electric motor 61 of the main driving means 60 is performed, and the first reduction gear 65 connected to the rotation shaft of the electric motor 61 is subsequently rotated and at the same time the first reduction speed. The second reduction gear 66 engaged with the gear 65 rotates, and the worm wheel 68 continuously rotates while the worm 67 coaxial with the second reduction gear 66 rotates and is engaged with the worm 67. ) Will rotate.

In addition, the second drive shaft 71 extending from the center of rotation of the worm wheel 68 rotates, and the first chain gear 72 connected to the second drive shaft 71 rotates, and the rotational force at this time. Is transmitted to the second chain gear 92 by the circulation chain 73.

Subsequently, the rotation rod 93 connected to the second chain gear 92 rotates, and the main rod 94 connected to the rotation rod 93 rotates in place.

Thus, when the holder 20 is unfolded and raised for coupling between the support 10 and the holder 20 together with the one-way rotation of the main rod 94, the second square screw rod 98 of the holder 20 is raised. ) Is inserted into and coupled to the square female threaded key groove 97 of the main rod 94, so that a firm locking state between the support 10 and the cradle 20 can be maintained.

On the contrary, when the holder 20 is folded down for the separation between the support 10 and the holder 20 together with the reverse rotation of the main rod 94, the second square of the holder 20 The sand bar 98 is separated from the square female threaded key groove 97 of the main rod 94, so that the cradle 20 is separated from the support 10 and folded up and down in parallel with the support 10 as described above. .

Here, with reference to Figures 6a and 6b attached to each configuration of the manual operation unit as follows.

The manual operation unit 80 is to allow the operator to directly fold or unfold the cradle 20 when the electric motor is impossible to drive due to power failure or failure, the components are combined in the lower end of the holding (10) Is installed.

First, the gear fixing body 81, which is a structure for mounting the gear, is fixed to the inner wall of the lower end of the support 10.

A third bevel gear 83 rotatably supported by the third bearing 82 is mounted on one side of the gear fixing body 81, and a fourth bearing 84 on the upper side of the gear fixing body 81. The fourth bevel gear 85 is engaged with the third bevel gear 83 while being rotatably supported.

At this time, the manually operated connecting shaft 86 having a length from the lower rotary shaft 63 of the electric motor 61 to the position just below the fourth bevel gear 85 is provided.

The upper end of the manual control connecting shaft 86 is formed as a coupling end 87 that is separated when coupled to the lower rotation shaft 63 of the electric motor 61 when the rising or falling.

Preferably, the coupling end 87 is connected to each other by applying the lower rotation shaft 63 and the key and key groove structure, so that the rotational force is rotated to the lower rotation shaft 63 when the manual control connecting shaft 86 is rotated Make it easy to deliver.

In addition, the lower end of the manually operated connecting shaft 87 penetrates through the center of the fourth bevel gear 85 and is positioned to face the center of the third bevel gear 83.

On the other hand, the lower end of the manual control connecting shaft 87 and the fourth bevel gear 85 should be coupled to each other to transmit the rotational force, the first key 88 at the lower end of the manual operating connecting shaft 87 ) To be inserted into and fastened to the first key groove 89 formed on the inner circumferential surface of the fourth bevel gear 85 so that the rotational force of the fourth bevel gear 85 can be transmitted to the manually operated connecting shaft 87. It becomes possible.

Here, a manual operation mechanism for lifting the lower end of the manual operation connecting shaft 87 and transmitting a rotational force is provided. The manual operation mechanism includes a manual operation handle 106 which can be turned by hand, and the manual operation. The rotating rod 107 is formed integrally extending from the center of the inner surface of the handle 106.

In particular, a second key 108 is mounted on the outer circumference of the middle portion of the rotating rod 107, and a second key groove 109 is provided on the inner circumferential surface of the center of the third bevel gear 83 so that the second key 108 is coupled. Is formed, the rotational force of the rotating rod 107 can be transmitted to the third bevel gear (83).

In addition, the end of the rotating rod 107 is formed sharply at an acute angle so as to easily lift the manual control connecting shaft 87, the lower end of the manual operating connecting shaft 87 is formed in an obtuse elliptical shape. do.

Here, the operation of the manual operation unit will be described as follows.

When the driving of the electric motor is impossible due to a power failure or a failure, when the rotary rod 107 of the manual operation mechanism is pushed through the inner peripheral surface of the center of the third bevel gear 83, the second key of the rotary rod 107 ( 108 is coupled to the second key groove 109 of the third bevel gear 83, so that the rotational force of the rotating rod 107 can be transmitted to the third bevel gear 83.

At the same time, the pointed end of the rotary rod 107 is to lift the lower end of the manual control connecting shaft 87, and subsequently the manual operating connecting shaft 87 is raised to the coupling end 87 formed on the upper end It is jointed to the lower rotating shaft 63 of this electric motor 61.

In this state, when the operator manually turns the steering wheel 106 in one direction or in the opposite direction by hand, the rotating rod 107 rotates, and subsequently the third bevel gear 83 rotates and at the same time the third bevel. The fourth bevel gear 85 engaged with the gear 83 rotates.

Subsequently, since the fourth bevel gear 85 and the manually operated connecting shaft 87 are coupled to each other by the first key 88 and the first key groove 89, the fourth bevel gear 85 The rotational force is transmitted to the manually operated connecting shaft 87.

Subsequently, the manually operated connecting shaft 87 rotates to rotate the lower rotating shaft 63 of the electric motor 61.

Accordingly, the upper rotary shaft 62 which is coaxial with the lower rotary shaft 63 of the electric motor 61 is rotated, as described above, the lifting means 50, the sliding means 30, the chain driving means ( 70), the safety removal device 90 is linked to each other in the same operation as the operation of the electric motor 61, so that the folding or unfolding operation of the cradle 20 can be made manually.

On the other hand, when the manual operation mechanism, that is, the manual operation handle 106 and the rotary rod 107 is removed, the manual operation connecting shaft 87 is separated from the lower rotary shaft 63 of the electric motor 61 and immediately returns to its original position. To descend.

As seen above, according to the holding device for installation of road traffic facilities according to the present invention, unlike the existing, by providing a new drive means, lifting means, safety detachment device, etc., the folding or unfolding operation of the cradle can be made firm and smooth In addition, by forming a truss to prevent the left and right and up and down shake of the cradle, it is possible to maintain a solid mounting state even if there is an external impact.

In particular, by the safety removal device operated by the chain drive means associated with the main drive means using the electric motor, the coupling or detachment operation between the support and the cradle can be made safe and secure, which makes the unfolding state of the cradle more stable. Can be maintained.

In addition, when a failure or power failure of the electric motor can be conveniently used in conjunction with the manual control unit to replace the drive means.

Claims (10)

Props with hollow structures extending vertically; A cradle connected to the upper end of the shore by a hinge, which is folded side by side with respect to the shore, or is spread horizontally with respect to the ground, and a road transportation facility is installed; A safety detachment device provided at an upper end of the support and an upper end of the support facing each other, stably coupling or separating the support and the support from each other; Sliding means is installed to be able to slide up and down around the pillar; A folding member having one end rotatably coupled to the holder and the other end rotatably coupled to the sliding means; Lifting means installed on the support for sliding the sliding means up and down; A main driving means installed in the support so as to be connected to the lifting means and driving the lifting means; A chain driving means connected to the main driving means to drive the safety detachment device; The holding device for installing road traffic facilities, characterized in that configured to include. The method according to claim 1, wherein the main drive means: An electric motor fixedly installed in the prop and having an upper and lower rotating shaft; A first reduction gear connected to an upper rotating shaft of the electric motor; A second reduction gear meshing with the first reduction gear; A worm connected coaxially with the second reduction gear; A worm wheel engaged with the worm; A first driving shaft extending in one direction and a second driving shaft extending in the other direction, connected to the rotation center of the worm wheel; The holding device for installing road traffic facilities, characterized in that configured to include. The method of claim 2, wherein the elevating means is: A first bevel gear connected to one end of the first driving shaft; A square female screw hole formed in a vertical direction at a center thereof, the second bevel gear meshing with the first bevel gear; A first square screw rod which is inserted into and coupled to the square female screw hole of the second bevel gear; The holding device for installing road traffic facilities, characterized in that configured to include. The method of claim 2, wherein the chain drive means: A first chain gear connected to the extending end of the second driving shaft; A circulation chain meshed with the first chain gear; The holding device for installing road traffic facilities, characterized in that configured to include. The method of claim 3, wherein the sliding means: A sliding body arranged to move up and down while surrounding the outer circumferential surface of the support; A flange formed integrally with the sliding body to be a portion at which a lower end of the first square screw rod and a lower end of the folding member are connected; Holding device for installing road traffic facilities, characterized in that configured to include. The method of claim 4, wherein the safe desorption device: A support plate fixed to the upper inner wall of the support; A second chain gear rotatably mounted to the support plate to which the circulation chain is fitted; A rotation rod connected to the rotation center point of the second chain gear; A main rod formed at one side thereof with a coupler to which the end of the rotating rod is inserted and coupled, and a main rod having a square female screw key groove formed at the other side thereof; A second square threaded rod formed integrally with the upper inner surface of the mount and inserted into and coupled to the square female screw key groove when the main rod is rotated forward, and separated from the square female screw key groove when the main rod is rotated backward; The holding device for installing road traffic facilities, characterized in that configured to include. The holding device for installing a road traffic facility according to claim 2, further comprising a manual operation unit installed at a lower portion of the support so as to manually rotate the main driving means. The method according to claim 7, wherein the manual operation unit: A gear fixing body fixed to the lower inner wall surface of the support; A third bevel gear installed at one side of the gear fixing body; A fourth bevel gear positioned on an upper side of the gear fixing body and engaged with the third bevel gear; The upper end is formed of a coupling end that is separated when coupled to the lower rotation shaft of the electric motor when the ascending or descending, the lower end of the fourth bevel gear is fastened to the center of the third bevel gear can be arranged facing A synchronizing coupling shaft; A manual operation mechanism for lifting the lower end of the manually operated connecting shaft while being fastened to the center of the third bevel gear; Holding device for installing road traffic facilities, characterized in that configured to include. The apparatus of claim 8, wherein the manual override mechanism is: A manually operated handle which can be turned by hand; A rotary rod integrally formed at the center of the manual operation handle and having an end thereof lifting the lower end of the manual operation connection shaft; A second key mounted to an outer circumference of a middle portion of the rotating rod; A second key groove formed in an inner circumferential surface of the third bevel gear so that the second key is coupled; The holding device for installing road traffic facilities, characterized in that configured to include. The holding device for installing road traffic facilities according to claim 1, wherein the cradle is formed integrally with the left and right shake prevention truss on the left and right sides, and a plurality of the up and down anti-shake circular trusses are integrally formed in the vertical direction.

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