KR20160123513A - Moving Type Inspection Equipment of Bridge - Google Patents

Abstract

The present invention relates to a moving type inspection apparatus for a bridge, comprising: two or more widthwise horizontal guiderail units lengthily arranged in a widthwise direction of a bridge on a top of a pier and having a cut part in a middle part; one or more lengthwise horizontal guiderails respectively arranged in a direction perpendicular to the widthwise horizontal guiderails on both outmost widthwise ends of the bridge among the widthwise horizontal guiderails, and lengthily arranged in a lengthwise direction of the bridge to be connected to an adjacent pier close to the pier or an abutment close to the pier; a moving inspection car arranged to be horizontally moved to the widthwise and lengthwise horizontal guiderails; and a connecting moving carriage arranged to be horizontally moved to the widthwise horizontal guiderails and arranged to connect the cut part. Thus, safety of an inspector is enhanced and convenience is enhanced.

Description

[0001] Moving Type Inspection Equipment of Bridge [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a portable type checking apparatus for a bridge, and more particularly, to a portable type checking apparatus for a bridge capable of ensuring the safety of a tester,

Generally, bridges are one of the civil engineering structures connecting roads and roads that are installed in a section where roads can not be connected continuously by disconnected parts of rivers or terrain.

There are various types of bridges according to their construction methods. In general, there are alternatives for supporting the upper structure at both ends in the longitudinal direction, and in some cases, there are a plurality of bridge columns between the alternations, I have.

A plurality of support beams are laid on top of the alternation and pier, and the above superstructure is placed thereon.

Bridges are the structures through which vehicles and pedestrians pass, and safety is the top priority, and it is necessary to conduct periodic bridge inspection of obsolete bridges. For this purpose, in the case of a multi-span bridge, a widthwise horizontal passage and a longitudinal-direction horizontal passage arranged horizontally and horizontally in the width direction of the bridge and the longitudinal direction of the bridge are provided at the upper end of the bridge and the pier corresponding to the lower portion of the upper structure, And a moving ladder connected to the horizontal horizontal path and the longitudinal horizontal path arranged at at least one of both ends in the width direction of the structure at the lower part thereof.

Depending on the bridges, a rigid guide rail is provided on the lateral horizontal passages in the width direction and on the longitudinal horizontal passages, and a moving carriage is movable along the guide rails so that the inspector can ride in the moving carriage, And the longitudinal lateral passage to check the condition of the bridge.

However, one example of a check structure of a bridge according to the prior art is that the inspector must move directly on the moving ladder in order to enter the widthwise horizontal passage and the longitudinal horizontal passage arranged at the lower portion thereof in the upper structure, .

In addition, an example of a check structure of a bridge according to the prior art is provided such that the moving car is moved along the lower portion of the upper structure within a limited range of the lateral horizontal passage and the longitudinal horizontal passage, There is a difficult problem.

In addition, since the movable carriage can not be installed so as to be movable relative to the entire width direction of the bridge by the column portion corresponding to the middle of the bridge pier, it is possible to visually check the vertical direction of the pier of the bridge pier in the vertical direction. There is a problem of deterioration.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method and apparatus for automatically inspecting and inserting an upper portion of a superstructure and a horizontal cross- And an automatic lifting / lowering unit for lifting and lowering the bridge.

Further, the present invention is characterized in that the moving carriage is automatically movably provided in the width direction horizontal passage and the longitudinal direction horizontal passage so that the inspector can directly carry out an inspection with respect to the entire bridge, and the pierce chair in which the inspector is accommodated Another object of the present invention is to provide a portable inspection device for a bridge which is provided so as to be spaced downwardly by a predetermined distance.

In addition, the present invention provides a bridge structure in which a horizontal lateral passage corresponding to a pillar portion of a pier is connected and a sliding pedestal portion is provided so that the pierce chair can be slidably moved in the width direction of the bridge in a state in which the pierce chair is discharged downward from the moving- The present invention also provides a portable inspection device of the present invention.

A preferred embodiment of the apparatus for checking the movement of a bridge according to the present invention comprises at least two widthwise horizontal guide rail parts arranged at the upper end of a bridge pier in the width direction of the bridges and having a cut part in the middle, Wherein each of the guide rails is disposed in a direction orthogonal to each of the two or more width direction horizontal guide rails at both ends in the outermost width direction of the bridges and connected to adjacent bridges adjacent to the bridged bridges or bridges adjacent to the bridged bridges At least one longitudinal direction horizontal guide rail portion arranged long in the longitudinal direction of the bridge, a movable type inspection gantry mounted horizontally on the two or more width direction horizontal guide rail portions and the longitudinal direction horizontal guide rail portions, Wherein the horizontal guide rail is moved in a horizontal direction on the horizontal guide rail, It is arranged to connect.

Here, the connecting moving carriage may be configured such that one end thereof is accommodated in a width direction horizontal guide rail provided at one side of the two or more width direction horizontal guide rails and the other end is provided at the other side of the two or more width direction horizontal guide rails The width of the horizontal guide rail can be reduced.

Further, an H. beam guide rail having a configuration in which each of the two or more width direction horizontal guide rails is laid in parallel is disposed at a front end portion and a rear end portion of the bottom surface, and the connecting moving carriage is disposed along the upper end of the H. beam guide rail And can be disposed so as to be slidingly moved in the horizontal direction.

The apparatus may further include moving means for connecting moving vehicles moving the connecting moving truck.

The moving means for moving the connecting moving vehicle includes a moving means main body connected to the connecting moving carriage and adapted to receive the connecting moving carriage by an operation placed on an upper end portion of the HR beam guide rail, And a pair of support rollers disposed between the flanges of the helical beam guide rails and supported in a rolling manner.

In addition, a boarding space on the lower part of the connecting moving carriage for inspecting the pillar of the pier at the lower part of the connecting moving carriage is formed, and in the state where the inspector is boarded, And a pillar check pillar for ascending and descending in the vertical direction.

Further, on the bottom surface of the connecting moving carriage, there is provided an advance entrance capable of allowing the inspector to enter and exit the pillar check pierce chair, and the advance entrance is opened and closed by an access lid rotatably formed on the bottom surface of the connecting moving carriage .

In addition, the connecting moving carriage can be moved in the horizontal direction within a range in which the entrance entrance does not overlap with the two or more width direction horizontal guide rails.

1 is a front view showing an embodiment of an apparatus for checking the movement of a bridge according to the present invention,
Fig. 2 is a front view showing a connecting moving vehicle in the configuration of Fig. 1,
3 is a side view showing an example of a moving means of a connecting moving carriage in the configuration of FIG. 1,
Fig. 4 is a front view showing the operation of the pierced chair in the configuration of Fig. 1,
5 is a side view for explaining the moving mechanism of the moving carriage and the pierced chair in the configuration of FIG. 1,
Fig. 6 is a side view showing the moving bogie moving means in the configuration of Fig. 5,
Fig. 7 is a side view of the piercing chair moving means in the configuration of Fig. 5,
8A and 8B are front views showing an operation of a connecting moving carriage in the structure of a portable type checking apparatus for a bridge according to the present invention,
Figs. 9A to 9C are front views of operations of the pier opening /
Figs. 10A to 10C are front views showing automatic connection of rail connecting portions in the configurations of Figs. 9A to 9C.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, it is to be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" Can be used to easily describe the correlation of components with other components. Spatially relative terms should be understood as terms that include different orientations of components at the time of use or operation, in addition to those shown in the drawings. For example, when inverting an element shown in the figures, an element described as "below" or "beneath" of another element may be placed "above" another element . Thus, the exemplary term "below" can include both downward and upward directions. The components can also be oriented in different directions, so that spatially relative terms can be interpreted according to orientation.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. &Quot; comprises "and / or" comprising ", as used herein, unless the recited component, step, and / or step does not exclude the presence or addition of one or more other elements, steps and / I never do that.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

In the drawings, the thickness and the size of each component are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Also, the size and area of each component do not entirely reflect actual size or area.

Further, the angles and directions mentioned in the description of the structure of the embodiment are based on those shown in the drawings. In the description of the structures constituting the embodiments in the specification, reference points and positional relationships with respect to angles are not explicitly referred to, reference is made to the relevant drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a portable inspection apparatus for a bridge according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a front view showing an embodiment of a portable type checking apparatus for a bridge according to the present invention, FIG. 2 is a front view showing a connecting moving carriage in the constitution of FIG. 1, FIG. 4 is a front view showing an operation of the pierced chair in the configuration of FIG. 1, FIG. 5 is a side view for explaining the moving mechanism of the moving carriage and the pierced chair in the configuration of FIG. 1, Fig. 6 is a side view showing the moving bogie moving means in the configuration of Fig. 5, Fig. 7 is a side view showing the pierce chair moving means in the configuration of Fig. 5, and Figs. 8A and 8B are views Figs. 9A to 9C are front elevational views showing the operation of the piercing entrance / exit means in the configuration of Fig. 1, Figs. 10A to 10C are front elevational views If also a front view showing the automatic connection of the connection state of the railing structure of 9c.

Generally, the multi-span bridges 1 are vertically arranged vertically at both ends corresponding to the starting and ending points of the running direction of the road, and the bridges 1 A plurality of bridge piers 10 may be provided up and down vertically as well as alternately in order to support the load of the intermediate portion of the bridge 1.

A plurality of girders, which are steel, are mounted on the upper end of the alternating and piercing rods 10, and an upper structure 20 on which a vehicle or the like travels substantially can be mounted on the upper portions of the plurality of girders.

The upper structure 20 can be provided with a walkway 21 on which the vehicle travels and a sidewalk 23 on which pedestrians walk on both sides of the roadway 21, And a safety guard 27 is provided outside the sidewalk 23 to prevent a fall of the pedestrian.

1 to 4, an embodiment of a portable inspection apparatus 100 for a bridge according to the present invention is characterized in that at the upper end of a pier 10, a widthwise horizontal guide (not shown) The guide rail 10 is disposed horizontally in a direction orthogonal to the width direction of the horizontal guide rail portion and connected to the adjacent bridge piers 10 adjacent to the pier 10, And at least one longitudinal lateral guide rail portion 50 disposed therein.

The width direction horizontal guide rail portion 30 can be a check passage for checking the safety state of the lower surface of the upper structure 20 and the bridge 10 or the alternate upper end portions with respect to the width direction of the bridge 1, The longitudinal guide rail 50 may be a path for moving the apparatus 100 for moving the bridge according to the present invention in the longitudinal direction.

The embodiment of the portable inspection apparatus 100 for a bridge according to the present invention is arranged vertically and vertically at both ends in the width direction of the width direction horizontal guide rail portion 30 and is connected to both ends in the width direction of the upper structure 20 And may further include at least one vertical guide rail portion 40 disposed in a substantially horizontal position.

Here, the vertical guide rail portion 40 serves as a passage through which the inspector can move from the upper structure 20 to the lower portion of the upper structure 20, which is the portion to be inspected, or the bridge 10 or the alternate upper end portion.

In the prior art, the vertical guide rail 40 is provided with a ladder-like structure that can be manually lifted by the inspector. However, in the embodiment of the portable movement inspection apparatus 100 according to the present invention, And an automatic lifting / lowering / ascending / descending part along the guide rail 40 can be provided. A detailed description of the entry / exit elevation portion will be described later in detail.

1 to 4, the embodiment of the portable movement inspection apparatus 100 according to the present invention includes a width direction horizontal guide rail part 30, a longitudinal direction guide rail part 50, Lt; / RTI > and at least one or more mobile inspectors moving along.

Here, as shown in Fig. 1, the movable type inspection gantry may be provided so as to be moved at the both ends in the width direction of the bridge 1, one by one, respectively, and the movable type inspection gantry may include a longitudinally- (50) in the longitudinal direction.

8A and 8B, when the widthwise horizontal guide rail portion 30 is inclined with respect to the vertical guide rail portion 40 as shown in FIG. 8A and FIG. 8B, And can be rotatably provided.

Here, in the embodiment of the movable bridge checking apparatus 100 according to the present invention, in order to check the lower portion of the upper structure 20 between the bridge piers and the bridge piers in the bridge structure, two movable brakes provided on both sides are connected It is necessary to perform a more precise inspection. In this case, it is possible to further include a connecting moving carriage 110 connecting the two movable check wheels in the width direction as shown in Fig. 8A.

The connecting moving carriage 110 serves to connect the disconnected portion, which is a disconnected portion, while horizontally moving, even if the width direction horizontal guide rail portions 30 of the two movable inspecting vehicles are arranged in the mutual width direction. The above-described cut-off portion is formed by the width directional length of the width direction horizontal guide rail portion 30 of the two movable inspection gauges in order to prevent the movable check gantry from moving in the longitudinal direction by the adjacent bridge pier by the pier.

That is, when two movable inspection vehicles are assumed to be equally moved in the longitudinal direction, they are interconnected in the width direction by the connecting moving carriage 110 between the bridge piers and the bridge piers so that the lower portion of the upper structure 20 can be more accurately visually So that the inspection can be carried out, and furthermore, it is elevated in the vertical direction along the column portion 11 of the bridge pier so that more precise inspection is possible.

8B, in the case of moving the movable type inspection gantry to an adjacent bridge pier in a multi-span bridge, the width direction horizontal guide rail part 30 connected by the connecting moving carriage 110 is disconnected and then rotated, So that the longitudinal movement is prevented from interfering with the adjacent bridge, and then the disconnecting part is connected using the connecting moving carriage 110 for the inspection of the upper structure 20 again.

According to the embodiment of the portable inspection apparatus 100 for a bridge according to the present invention, when the inspection is performed under the upper structure of the adjacent multi-span bridges, And the movable type inspection gantry can be checked by an operation of simultaneously moving the movable type inspection gantry in the longitudinal direction of the bridge 1, thereby reducing the cost.

An embodiment of a portable inspection apparatus 100 for a bridge according to the present invention is characterized in that it is provided at the lower part of a connecting moving carriage 110 and is provided for checking the column section 11 of the bridge pier 10 at the lower part of the connecting moving carriage 110 And a pillar check pillar 200 for ascending and descending the pillar in a vertical direction while the inspector is boarded.

The pole check pierce chair 200 has the same structure as a pierce chair for an upper structure to be described later. The pierce chair 200 for checking the pole is connected to the above-mentioned connecting moving carriage 110 The pierce chair for the upper structure will be provided at a lower portion of the movable inspection gantry to be described later, which is provided to move along the width direction guide rail portion and the longitudinal direction guide rail portion.

Hereinafter, in the same constitutional limit, the pierce chair 200 for pillar inspection and the pierced chair for an upper structure can be described as a "pierced chair" without distinguishing the terms. In this case, The scope of the rights should be defined by the claims that follow.

The connecting moving carriage 110 is provided so as to horizontally connect disconnected portions of the width direction guide rail portion having a cutout portion at a position avoiding the column portion 11 of the bridge pier 10, Direction.

As shown in Fig. 3, the connecting moving carriage 110 is formed to be sized to be received in the substantially width direction guide rail portion, and is formed to have at least a space enough for the inspector to ride.

Meanwhile, a pair of H beam guide rails 130 disposed in parallel to the front and rear ends of the bottom surface of the width direction guide rail may be disposed. Here, the H beam guide rails 130 are arranged in a lying "H" shape, and as a general term, a rack gear portion may be formed in the upper flange of both end flange portions.

The connecting moving carriage 110 may be formed as a steel structure having a height smaller than the height of the inspector, and a rectangular parallelepiped-shaped weave structure having an upper portion opened.

1 and 2, a pair of H beam guide rails (not shown) provided at a front end portion and a rear end portion of the bottom surface of the above-described width direction guide rail portion are provided at the lower end portion and the lower end rear end portion of the connecting moving carriage 110 130 and a connecting moving means 120 for moving the connecting moving carriage 110 can be provided.

3, the connecting moving bogie moving means 120 is connected to the connecting moving bogie 110 and is mounted on the upper end of the H beam guide rail 130 to move the connecting moving bogie 110 And a pair of support rollers 125 that are coupled to the moving means body 121 and are disposed between the flanges of the H beam guide rails 130 and are rolled and supported.

A pair of support rollers 125 are disposed in close contact with the lower surface of the upper flange portion with respect to the H beam guide rail 130. A part of the upper end of the H beam guide rail 130 is disposed inside the moving means body 121 As shown in Fig. The pair of support rollers 125 are configured to rotate with respect to the engagement shaft 123 mounted on the moving means body 121, respectively.

The rack gear portion 131 having the rack gear teeth formed on the upper side of the flange on the upper side of the H beam guide rail 130 can be formed integrally with the H beam guide rail 130, A pinion gear portion to be engaged with the rack gear portion of the rack gear portion 131 is connected to a rotating motor 121D which is rotated to generate a substantially driving force so that the rack gear teeth and the pinion gear teeth are engaged with each other, 110). Accordingly, the pair of support rollers 125 do not serve as a driving part for performing the moving motion of the connecting moving carriage 110 naturally and as a driving part for generating separate power, but according to the embodiment, The pair of support rollers 125 themselves can serve as a driving unit for generating a predetermined rotational force.

4, the bottom surface of the connecting moving carriage 110 may be provided with an entry opening through which the inspector can enter and exit the pierce chair 200 for column check. The entrance opening may be opened or closed by an access cover provided on the bottom surface of the connecting moving carriage 110, the other end of which is rotatable around the one end.

Here, the entrance entrance is moved along with the moving of the connecting moving carriage 110. The connecting moving carriage 110 is provided with an entry opening (not shown) so as not to overlap the columnar check piercing chair 200 provided immediately below the connecting moving carriage 110 It is preferable to move in the horizontal direction within a range that does not overlap with the width direction horizontal guide rail portions 30 provided at one side and the other side. Thus, the piercing chair 200 for columnar inspection creates an advantage that direct visual inspection can be performed on the entire width direction of the columnar section 11 of the pier 10.

1 and 2, an embodiment of a portable inspection apparatus 100 for a bridge according to the present invention is characterized in that a horizontal direction guide rail part 30 and a longitudinal direction guide rail part are horizontally And a pierce chair which is arranged to move the inspector in the lower portion of the mobile inspection gantry so as to move horizontally in the lower portion of the mobile inspection gantry or to move vertically in the lower portion of the mobile inspection gantry alone have.

The piercing chair 200 is identical in construction to the piercing chair 200 for checking the column as described above, but the piercing chair 200 for checking the column is connected to the piercing chair 10 for checking the column 11 of the pier 10, The horizontal guide rail part 30 is provided so as to move the movable type inspection gantry and the horizontal guide rail part 30 which is disposed so as to be moved in the horizontal or vertical direction directly below the longitudinal guide rail part There is a difference in point. It should be noted that the pierced chair and the pillar check pierce chair 200 for checking the pillar portion will be described below with the same constitution as the above- ) Is defined as the same term "Pierce chair".

As shown in Fig. 5, the pierced chair includes a chair main body 201 in which at least the waist of a tester is received from a leg of a tester, a chair body 201, A connecting wire rope 205 for connecting the connecting wire rope 205 to at least one of the guide rails 205 and a wire for adjusting the distance between the body 201 and the lower portion of the mobile inspecting car by winding or loosening the connecting wire rope 205, And an adjusting unit 220.

The chair body 201 is formed in a rectangular parallelepiped shape having an opened upper portion and each of four corners of the upper end of the chair body 201 is provided with a pulley connection portion 210 around which a connecting wire rope 205 is wound. Although not shown in detail in the figure, one connecting wire rope 205 is wound through two pulley connection portions 210 provided at one corner portion, and the upper horizontal width guide rail portion 30 and the longitudinal horizontal guide portion And the other end of the connecting wire rope 205 is connected to the wire adjusting part 220 so that the other end of the connecting wire rope 205 is connected to the other two of the pulley connecting parts 210 provided at the other corner. Respectively.

Therefore, the connecting wire rope 205 and the wire adjusting portion 220 are provided in pairs at one side corner portion and the other side corner portion of the chair body 201, respectively.

5, the wire adjusting unit 220 may be coupled to the horizontal movement guide rails 35 horizontally disposed below the widthwise horizontal guide rail portions 30 and the longitudinal direction guide rail portions.

More specifically, as shown in FIG. 5, the chair moving rail 35 is a steel beam having a vertical section of a " D " shape, and is arranged so that one pair is parallel to and spaced apart from each other by a predetermined horizontal distance, The opened portions of the vertical cross-section of the 'C' shape are arranged in the mutually opposing footpads 23, and the wire adjusting portion 220 can be accommodated in the pair of the chair moving rails 35.

5 and 7, the wire adjusting unit 220 is movably coupled along the chair moving rail 35, and the wire adjusting unit 220 is wound around one side of the connecting wire rope 205 according to the rotating direction, The pulley 223 is coupled with the chair driving motor 221 connected to the rotating shaft 222 and the chair driving motor 221 so as to move along the chair moving rail 35, And a chair moving roller unit 225 for receiving the driving force of the chair body 201 and forming a moving force for moving the chair body 201.

The driving force of the chair driving motor 221 is transmitted to the moving roller unit 225 by the chair 225. The driving force of the chair driving motor 221 is transmitted to the chair driving roller 221, The driving force of the chair driving motor 221 is transmitted to the connecting wire rope 205 through the connecting wire rope 205. The driving force of the chair driving motor 221 is transmitted to the pulley portion 223, It can be used as a power source, as a power for moving in the horizontal direction of the pierced chair, or as a power source for both.

7, when the first transmission gear 224 formed in the form of a pinion gear is rotated on the rotation axis 222 of the chair driving motor 221, the driving force of the chair driving motor 221 is transmitted to the first transmission gear 224, And is transmitted through a second transmission gear 226 formed in the form of a pinion gear to the rotating shaft 227 of the moving roller portion 225. [

Here, a rotary roller 228 in the form of a pinion gear is held on both ends of the chair moving roller portion 225 so as to be coaxial with the rotary shaft 227 of the moving roller portion 225, and to be engaged with the chair moving rail 35 . The outer periphery of the chair moving roller portion 225 is rotatably supported by the chair moving rail 35. The outer periphery of the chair moving roller portion 225 may be formed in a pinion gear shape, A rack gear groove serving as a rack gear may be formed. However, it is not necessary that the groove-shaped rack gear groove is provided in the chair-moving rail 35, but it may be provided as a rack gear of generally protruding shape.

The controller of the pierced chair controls the entire pierce chair to move horizontally along the width direction horizontal guide rail part 30 or the longitudinal direction horizontal guide rail part or move the chair body 201 vertically, May be provided. The control unit may be provided in the form of an electronic button or a lever.

According to the portable inspection apparatus 100 for a bridge according to the present invention, in the past, the inspector has installed the inspection passage (the widthwise horizontal guide rail part 30 and the longitudinal direction horizontal guide rail) It is possible to check only the lower portion of the upper structure 20 along with the same structure as the pierced hole 10, but it is also possible to move the pierce chair vertically, To the lower portion of the pier 10 can be visually inspected precisely.

8A to 9C, in order for the inspector to approach the bridge check apparatus 100 according to an embodiment of the present invention, the bridge checker 100 may be installed at any one of the opposite ends of the bridge 1 in the width direction Through the pier entrance / entry device 300 of the bridge.

Hereinafter, an embodiment of the bridge piercing / entry apparatus 300 of a bridge will be described in more detail.

As shown in FIG. 1 and FIGS. 8A to 9C, in order to use the portable check apparatus 100 for a bridge according to the present invention, The bridge bridge entry / exit device 300 of the towing bridge includes an entry / exit passage portion connected to the vertical guide rail portion 40 outside the outer one end slab of the upper structure 20.

Hereinafter, the general structure of the upper structure 20 will be briefly described in order to explain the exact position and configuration of the bridge piercing / entry apparatus 300 of the bridge.

The upper structure 20 is constructed such that the road 21 on which the vehicle travels is disposed in the middle and the sidewalk 23 on both sides of the road 21 on which the pedestrian is walking according to the embodiment of the bridge 1, May be provided. The roadway 21 and the sidewalk 23 are partitioned by a barrier seat or a partition rail 25 and a safety guardrail 27 is provided outside the sidewalk 23 to prevent a fall of the pedestrian. On the other hand, at the outer side of the safety guardrail 27, there is provided an outer stage slab having a predetermined length of the upper structure 20 further extended in the horizontal direction, and in the case of a known entrance and exit facility of the pier 10, And a manual elevating device such as a ladder is provided at the incised portion.

One embodiment of the bridge piercing and advancing apparatus 300 according to the present invention is characterized in that the above-mentioned outer one-end slab is not cut, but is arranged vertically outside the outer one-end slab.

More specifically, as shown in Figs. 8A to 8C, the entry / exit passage unit may include a platform vertically arranged vertically and an elevation unit 320 that is vertically installed inside the platform.

Here, it is a matter of course that the platform is a structure in which a plurality of steel frames are combined by bolting or welding.

On the other hand, the vertical guide rail portion 40 can be disposed so as to be movable horizontally along the lower surface of the outer end slab of the upper structure 20 in the longitudinal direction of the bridge 1. Here, the platform is arranged vertically up and down on the entry / exit plate 41 extending parallel to the outside of the vertical guide rail 40, and is not constrained to the outer end slab of the upper structure 20, The operator can move the vertical guide rail part 40 and the entry / exit passage part to the inspection site desired by the inspector so that the convenience of the inspector can be improved.

The elevating unit 320 includes a lifting body 321 for accommodating the inspector and a platform entrance advancement entrance 323 mounted on the upper end of the safety guardrail 27 while the other end is rotated about one end of the elevating main body 321, . ≪ / RTI >

The lifting / lowering main body 321 has a structure similar to that of the above-described piercing chair, and has a height capable of protecting the waist of the tester from a predetermined space for accommodating the tester. However, the pierce chair is formed such that only the upper portion thereof is opened, but the elevating main body 321 is different from the elevating main body 321 in that it is also opened to the roadway 21 side. The portion of the lifting main body 321 opened to the side of the driveway 21 is not limited to the case where the tester reaches the entrance and exit plate 41 of the vertical guide rail 40, So that the inspector can get off.

The elevation entrance 323 is formed to be longer than the horizontal length from the leading edge of the safety guardrail 27 provided on the upper structure 20 to the platform. When the elevating main body 321 is raised to a predetermined height or more, it is unfolded so as to be exposed from the elevating base 321. The elevating main body 321 is folded to be accommodated in the elevating base when the elevating main body 321 is positioned below the predetermined height It is necessary to form a horizontal entrance and exit with respect to the front end of the safety guardrail 27 and the bottom surface of the elevating main body 321.

8A to 8C, the platform is provided with a main guide frame 210 vertically arranged on the entry / exit plate 41 in the vertical direction and guiding the vertical movement of the vertical movement body 321, And a turning link portion 340 linked to the elevation main body 210 to turn the platform input / output entrance 323 in one direction or the other direction depending on the elevation position of the elevation main body 321.

The main guide frame 210 has a rectangular parallelepiped framework formed in a vertically elongated shape and guides the vertical movement of the lifting main body 321 in the vertical direction.

More specifically, the main guide frame 210 is a frame structure having a horizontal section of a substantially " C " shape. Inside the main guide frame 210, And the sprocket gear pulley is configured to be rotated by an electric motor not shown. It is preferable that the chain, the sprocket gear pulley, and the electric motor are provided in each of the four main guide frames 210 provided at the four corners of the platform.

In the embodiment of the present invention, the above-described example has been described as a driving unit for moving the elevating unit 320 up and down through the main guide frame 210. However, it is natural that it is possible to apply other appropriate driving units something to do.

Meanwhile, an embodiment of the bridge piercing and entry apparatus 300 according to the present invention further includes a sub guide frame 330 formed to have a path bent separately on the outside of the main guide frame 210.

The sub guide frame 330 is a structure for guiding the vertical movement of the pivot link portion 340 when the pivot link portion 340 is lifted up and down. The sub guide frame 330 is one of the structures for pivoting the platform entrance / exit slot 323.

9A to 9C, the pivotal link portion 340 is provided on one side of the bottom surface of the elevating main body 321 close to the safety guardrail 27, And the other end 344 is connected to the sub guide frame 330 and is moved in the horizontal direction so that the pivotal lever link 342 is pivoted to the center of the pivotal lever link 342 And the other end 345b is hinged to a position where the lifting main body 321 is lifted at a predetermined height D1 or more, and the other end 345b is hinged to the center of the horizontal link 341, And a guide link 345 which is hinged to a point of the unshown interlocking portion for interlocking with the lifting main body 321 to guide the horizontal movement of the horizontal link 341 in the horizontal direction.

When the elevating main body 321 rises to the height D1 of FIG. 8A, the interlocking portion is hooked on a part of the elevating main body 321 and rises from the height of D2 to the height of D3, The elevating main body 321 is lowered from the height indicated by D3 to D2 and then the elevating main body 321 is continuously lowered to the entrance and exit plate 41 formed on the vertical guide rail 40 . When the lift lever link 342 is described as a main body, when the lift lever body 341 reaches the first height (see, for example, the height indicated by D1 in Fig. 9B) 9C). When the lifting body 321 is lowered at the second height, when the lifting body 321 and the lifting body 321 are lifted up to the first height (for example, It is the same meaning that it falls.

The sub guide frame 330 is formed so that the horizontal link 341 can be moved horizontally to the outside of the bridge 1 while rising along the guide link 345 from a height of approximately D1 as shown in Figs. 8A to 9C And has a bent inclined portion.

The pivotal lever link 342 is provided as a pair at the front end and the rear end of the platform, and the platform entrance / exit entrance 323 is integrally or separately coupled to the turning center point, 323 are pivoted so as to coincide with the rotating direction of the pivotal lever link 342. [

The horizontal link 341 rotates the turning link at a predetermined angle in at least a distance range that is horizontally moved through the bent inclined portion formed in the sub guide frame 330 so that the above mentioned platform entrance entrance 323 is rotated about 90 Angle.

The turning lever link 342 and the platform entrance advancement entrance 323 start to rotate in one direction when the elevating main body 321 reaches a predetermined position (for example, refer to D1 in FIG. 9A) And starts to rotate in the other direction until it reaches a predetermined position (for example, refer to D1 in Fig. 9A).

Here, one direction may be defined as a direction in which the other end of the platform entrance / exit entrance 323 is pivoted to the upper end of the safety guardrail 27, and the other direction may be defined as the opposite direction.

According to an embodiment of the bridge piercing and entering apparatus 300 according to the present invention, the elevator entrance 323 is pivotally mounted on the upper part of the safety guardrail 27 so that the inspector can enter the pier 10, The elevator unit 320 provided in the elevator bar is automatically moved into the vertical guide rails and the elevator unit is operated in reverse order even when the inspector exits the elevator structure 20 after inspection Thereby providing an advantage that the safe return can be made by the entry and exit passage portion according to the present invention.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description when read in conjunction with the accompanying drawings, in which: FIG. However, it is to be understood that the embodiments of the present invention are not necessarily limited to the above-described embodiments, and that various modifications and equivalents may be made by those skilled in the art to which the present invention pertains will be. Therefore, it is to be understood that the true scope of the present invention is defined by the appended claims.

1: Bridge 10: Pier
11: column portion 20: superstructure
21: Driveway 23: Press
25: compartment railing 27: safety railing
30: width direction horizontal guide rail part 40: vertical guide rail part
100: Movable check device of bridge 110: Connecting moving carriage
120: Connecting moving means for moving carriage 121: Moving means body
121D: rotation motor 123: engagement shaft
125: support roller 130: HI beam guide rail
131: Rack gear part 200: Movable check device of bridge
201: chair body 205: connecting wire rope
210: pulley connection part 220: wire adjustment part
221: a chair driving motor 222:
223: pulley portion 224: first transmission gear
225: chair lift roller portion 226: second transmission gear
227: rotating shaft 228: rotating roller
300: bridge bridge entry / exit device 310: main guide frame
320: an elevating unit 321:
323: Entering the elevator bar entrance 330:
340: rotation link portion 341: horizontal link
342: tilt lever link 343: one end of the horizontal link
344: the other end of the horizontal link 345: the guide link
345a: one end of the guide link 345b: the other end of the guide link

Claims (8)

A movable inspection gantry movably movable in the width direction of the bridge and in the longitudinal direction of the bridge so as to be able to go in and out of the bridges or to inspect the lower portion of the upper structure of the bridge;
Wherein the movable type inspection gantry is rotatable in a horizontal direction on the movable type inspection gantry, and when the movable type inspection gantry is provided at each end portion in the width direction of the bridge, the movable type inspection gantry is provided at the lower portion of the upper structure, A width direction horizontal guide rail part forming a passage;
And a connecting moving carriage provided on one of the two movable check gauges and connecting the disconnected portion when the two movable gauges form a width direction passage by the width direction horizontal guide rail, Wherein the bridge comprises a plurality of bridges.
The method according to claim 1,
The connecting moving carriage,
Direction horizontal guiding part provided at one side of the at least two width direction horizontal guide rails and the other end is accommodated in a lateral guiding part at the other side of the two or more width- A movable check device of a bridge formed in an accommodated size.
The method according to claim 1 or 2,
An H. beam guide rail having a shape lying parallel to the front and rear ends of the bottom surface of the two or more width direction horizontal guide rail portions is disposed,
Wherein the connecting moving carriage is disposed slidably and horizontally along an upper end of the H. beam guide rail.
The method of claim 3,
Further comprising moving means for connecting moving carriage moving the connecting moving carriage.
The method of claim 4,
The moving means for connecting moving vehicles,
A moving means main body connected to the connecting moving carriage and mounted on the upper end of the HR beam guide rail to receive the connecting moving carriage;
And a pair of support rollers which are coupled to the moving means body and are disposed between flanges of the HV beam guide rails and are rolling supported.
The method according to claim 1,
Wherein a checker is mounted on a lower portion of the connecting moving carriage for inspecting the pillar of the pier at a lower portion of the connecting moving carriage, And a piercing chair for checking the pillar which is raised and lowered by the pillar.
The method of claim 6,
Wherein the bottom surface of the connecting moving carriage is provided with an entry opening for allowing the inspector to enter and exit the pillar check pierce chair,
Wherein the entrance is opened and closed by an access cover which is rotatably provided on a bottom surface of the connecting moving vehicle.
The method of claim 7,
The connecting moving carriage,
Wherein the moving entrance moves in a horizontal direction within a range that does not overlap with the two or more widthwise horizontal guide rails.

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