KR101948914B1 - Movement measuring device of Bridge seat device - Google Patents

Abstract

A device for measuring a movement of a bridge seat device measures a deformation amount of a bridge seat device including: an upper plate positioned on a lower side of a bridge where vehicles move; a lower plate installed to be separated from the upper plate and positioned on an upper side of a bridge post supporting the weight of the bridge; and an impact absorbing unit which is positioned between the upper and the lower plate, and absorbs the weights of vehicles passing on the upper side of the bridge. The device for measuring a movement of the bridge seat device comprises: a movement conversion unit which is coupled to the upper plate to be linked to a movement of the upper plate, and converts a longitudinal movement of the bridge into a movement in a downward direction of the bridge post to provide the downward movement; and a measurement unit coupled to the movement conversion unit to measure a movement of the upper plate by a movement converted into the downward direction of the bridge post by the movement conversion unit.

Description

[0001] The present invention relates to a movement measuring device of a bridge seat device,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for measuring a movement amount of a desk installed on a bridge.

Generally, a quadrature apparatus is provided between the bridge piers and the bridge top plate to facilitate the expansion and contraction behavior of the bridge top plate.

Deformation occurs in the horizontal direction on the basis of the pier in accordance with the change of the dynamic load and the ambient temperature due to the passage of the vehicle.

The behavior of such a bridge top plate is usually caused by a change in the traffic and the surrounding environment of the vehicle. However, if the bridge top plate is deformed more than the permissible limit, collapse of the bridge top plate may occur. Therefore, by periodically measuring the amount of deformation, It is necessary to investigate the amount of movement of the top plate from time to time.

20-0368373 discloses " a measuring apparatus for precise safety diagnosis of a bridge check apparatus ". The present invention relates to a measuring apparatus for precise safety diagnosis of a quasi-static apparatus installed between a pier structure and a bridge top plate, wherein the measuring apparatus for the safety diagnosis of the bridge squasge apparatus comprises: The measuring device for precision safety diagnosis is fixed to the side surfaces of the upper and lower sole plates so as to measure the displacement of the elastic support due to the load of the bridge upper plate, The upper and lower bolts are fixed to the side surfaces of the upper and lower soles of the coaxial apparatus by using fastening bolts in the fastening holes, The U-shaped fastening frame is welded with a semicircular ring on the opposite side of the upper and lower sides, and the semicircular ring is provided with a circular graduation plate, The dial gauge is attached to a semicircular ring attached to a number of U-shaped fastening frames vertically or obliquely using a strain-sensing spring with a fastening ring on each side to precisely measure the displacement of the measuring device due to the load of the bridge top plate .

However, the above-described measuring apparatus for safety diagnosis of the bridge checker apparatus is not only difficult to install but also is not easy to work and takes a long time. Further, since it is possible to measure the transfer amount only when approaching from the upper part of the bridge, There is a problem in that the safety of them is unprotected.

Although a system for measuring the movement amount by installing a sensor at one side of a bridge is applied, considering that it must be installed for each of a plurality of piers or bridges, installation cost and management cost are excessive, There is a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus for measuring movement amount of a training apparatus capable of measuring the amount of movement of a trapezoidal plate easily and accurately in order to solve the above problems.

In order to accomplish the above object, the present invention provides a bridge structure, comprising: an upper plate positioned below a bridge through which a vehicle moves in order to set a piercing reference point and to easily measure a movement amount of the bridge without approaching a high bridge pier; A lower plate positioned above the piers supporting the load of the bridge and spaced apart from the plate, and a buffer positioned between the upper and lower plates and buffering a load of the vehicle traveling on an upper side of the bridge An apparatus for measuring displacement of a calibration apparatus for measuring a deformation amount,

A movement switching unit coupled to the upper plate and interlocked with the movement of the upper plate to switch the bridge side movement of the bridge in a downward direction of the bridge pier; And a measuring unit that is coupled to the movement switching unit and measures the movement amount of the upper plate by a movement that is switched to the downward side of the bridge by the movement switching unit.

The movement switching unit may include a wire coupled to one side of the upper plate and extending to the lower side of the bridge and a rotation moving unit installed on the upper side of the bridge to convert the lateral movement of the wire to a lower portion of the bridge, .

And a first cover unit installed at the bridge pier to protect the wire.

Wherein the rotation moving part includes a cylindrical rotating part which is formed in a cylindrical shape and on which the wire is stretched to change a moving direction of the wire, a support shaft for supporting the cylindrical rotating part so as to be rotatable, And a second cover portion provided at an outer periphery of the rotation shaft and the support shaft.

The measuring unit may include a weight attached to an end of the wire extending in the downward direction of the bridge, moving together with the movement of the wire, and maintaining tension so that the wire is pulled tightly.

And a movement amount measuring unit installed at a lower portion of the bridge to measure a movement amount of the weight of the measurement unit.

The movement measuring apparatus of the present invention can move the plate according to the state of the cushioning part and it is easy to determine that the plate is different from the elastic limit of the cushioning part according to the movement amount of the plate, Therefore, the safety and convenience of the operator are improved.

In addition, since a sensor is installed at one side of the bridge and the system for measuring the movement amount is not used, the installation cost and the management cost are reduced.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a coordinate system according to an embodiment of the present invention;
FIG. 2 is a view showing a coupling structure of the teaching apparatus shown in FIG. 1,
FIG. 3 is a view showing an apparatus for measuring the movement amount of the calibration apparatus shown in FIG. 1,
FIG. 4 is a perspective view of the movement amount measuring apparatus of the calibration apparatus shown in FIG. 3. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in order that the present invention can be easily carried out by those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

In addition, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventor should properly define the concept of the term to describe its invention in the best way. It should be construed as meaning and concept consistent with the technical idea of the present invention.

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

FIG. 1 is a view showing a coordinate system according to an embodiment of the present invention, FIG. 2 is a view showing a coupling structure of the coordinate system shown in FIG. 1, and FIG. 3 is a view showing an apparatus for measuring the movement of the coordinate system shown in FIG. And FIG. 4 is a perspective view of the movement amount measuring apparatus of the calibration apparatus shown in FIG.

1 to 4, a coordinate measuring apparatus 100 in which a movement measuring apparatus of a measuring apparatus according to the present invention is installed may include an upper plate 110, a lower plate 120 and a buffer 130 have. Here, the upper plate 110 is located below the upper plate of the bridge 10 on which the vehicle moves. The lower plate 120 is spaced apart from the upper plate 110 and is positioned above the bridge 20 supporting the load of the bridge 10 with the lower structure of the bridge 10.

The shock absorber 130 is located inside the upper and lower plates 110 and 120 and includes a shock absorber 130 for buffering earthquake, wind, braking of the vehicle, thermal deformation in the throttle direction, vibration, can do. Also, the buffer 130 may be made of an elastic material to buffer the external force of the vehicle. However, this is only an example, and the buffer member can be replaced with a member that can buffer the weight.

The movement measuring apparatus of the present invention includes a movement switching unit 200 and a measuring unit 300.

The movement switching unit 200 is coupled to the upper plate 110 and interlocked with the movement of the upper plate 110 to switch the movement of the bridge 10 in the throttle direction to the downward direction of the bridge 20.

For this purpose, the movement switching unit 200 may include a wire 210 and a rotary movement unit 220. The wire 210 may be coupled to one side of the upper plate 110 and extend to the lower side of the bridge 20. The wire 210 may be a wire. In addition, the wire 210 may include a first cover part 212 for preventing damage to external dust or damage due to external pressure. The first cover part 212 is installed on the pier 20 as shown in FIGS. 3 and 4 to protect the wire 210. The first cover portion 212 may be made of a material such as plastic, rubber, glass, or the like.

The rotary movement unit 220 is fixedly coupled to the upper portion of the pier 20 so that the wire 210 can be rotated in the downward direction from the upper side of the pier 20. In addition, the rotation movement unit 220 may include a cylindrical rotation unit 222, a support shaft 224, and a second cover unit 226. The cylindrical rotation part 222 is formed in a cylindrical shape, and rotates in a cylindrical rotation direction so that the wire 210 can move and change the moving direction of the wire 210. That is, the cylindrical rotating portion 222 may be a roller. However, this is only an example, and the rotatable driving surface may be replaced by the driving portion thereof. The support shaft 222 supports the cylindrical rotation portion 224 so as to be rotatable. The second cover portion 226 may be installed at the outer periphery of the cylindrical rotation portion 222 and the support shaft 224. [ The second cover portion 226 can prevent external damage to the rotatable portion 220, that is, dust or damage due to external pressure. The second cover portion 226 may be made of a material such as plastic, rubber, glass, or the like.

The measuring unit 300 is coupled to the movement switching unit 200 to measure the amount of movement of the upper plate 110. To this end, the measuring unit 300 includes a weight 310 coupled to one side of the wire 210 extending downwardly of the pier 20 to receive the amount of movement of the upper plate 110 through the wire 210 . The weight 310 may play a role of maintaining the tension so that the wire is pulled tightly in the moved state in order to accurately measure the amount of movement of the wire 210 being moved.

The moving amount measuring apparatus of the measuring apparatus includes a moving amount measuring unit 400 installed at a lower side of the pier 20 to measure a moving amount of the weight 310 moved in accordance with the moving amount of the wire 210 can do. Also, the movement amount measuring unit 400 may be a ruler.

[0033] The above-described apparatus for measuring the movement amount of the seating apparatus according to the present invention will be described in more detail. The external force of earthquake, wind, braking of the vehicle, thermal deformation or vibration in the throttling direction, (130) can be absorbed.

When the shock absorber 130 receives an external force, the shock absorber 130 is damaged due to the damage of the shock absorber 130, so that the upper plate 110 is fixed It can be moved from seat to left, right.

If the buffer 130 is severely damaged, it must be replaced. In other words, the damage of the buffer part 130 causes cracks in the bridge if there is a deformation exceeding the allowable limit, so that the deformation amount of the bridge plate is regularly measured and compared with the allowable limit, the repair and reinforcement are performed before the crack of the bridge occurs .

Therefore, the movement amount within the predetermined range of the upper plate 110 to be replaced is measured. For this, the movement switching unit 200 and the measurement unit 300 may be input.

The movement switching unit 200 may be coupled to the upper plate 110.

At this time, since the measuring unit 300 fixes the movement switching unit 200 by the load of the weight 310, the movement amount can be accurately measured.

Therefore, the movement switch unit 200, which is fixed by the weight 310, is measured through the movement measuring unit 400.

Therefore, since the movement amount is measured on the side of the pier 20 instead of the side of the bridge 10, the convenience and stability of the operator can be improved.

As described above, according to the movement amount measuring apparatus of the present invention, the coordinate measuring apparatus 100 is moved according to the state of the cushioning unit 130, 130) is simple, so that it is easy for the operator to work, and the time can be shortened.

In addition, since a sensor is installed on one side of the bridge 10 and a system for measuring the movement amount is not used, the installation cost and the management cost are reduced.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: Bridges
20: Pier
100:
110: upper plate
120: Lower plate
130: buffer
200:
210: wire
212: first cover portion
220:
222: Cylindrical rotary part
224: Support shaft
226: second cover portion
300:
310: Weights
400:

Claims (6)

An upper plate 110 positioned below a bridge 10 on which a vehicle is moving and a lower plate 110 disposed on an upper side of a bridge 20 supporting a load of the bridge 10, And a buffer 130 positioned between the upper and lower plates 110 and 120 for buffering a load of a vehicle traveling on the bridge 10, The displacement measuring apparatus according to claim 1,
A movement switching unit coupled to the upper plate 110 and interlocked with the movement of the upper plate 110 for switching the movement of the bridge 10 in the throttling direction to a downward direction of the bridge 20, 200);
A measuring unit 300 coupled to the movement switching unit 200 to measure a movement amount of the upper plate 110 by a movement of the movement switching unit 200 in a downward direction of the bridge 20; And
And a movement amount measuring unit 400 installed at a lower portion of the pier 20 for measuring a movement amount of the measurement unit 300,
The movement switching unit 200,
A wire 210 coupled to one side of the upper plate 110 and extending down to the bridge 20;
A rotary movement part 220 installed on the bridge bridge 20 to convert the lateral movement of the wire 210 into a lower part of the bridge bridge 20 and to move the wire 210 downward; And
And a first cover part (212) installed on the bridge pier (20) to protect the wire (210)
The rotation movement unit 220,
A cylindrical rotating portion 224 formed in a cylindrical shape and having the wire 210 interposed thereon to change a moving direction of the wire 210;
A support shaft 222 for rotatably supporting the cylindrical rotation part 224; And
And a second cover part (226) provided on the outer periphery of the cylindrical rotation part (224) and the support shaft (222) to prevent external damage to the cylindrical rotation part (224)
The measuring unit 300 measures
The weight 210 is coupled to an end of the wire 210 extending downward from the pier 20 and moves together with the movement of the wire 210 to maintain tension so that the wire 210 is pulled tightly. ), ≪ / RTI >
The movement amount measuring unit (400)
And measures the movement amount of the weight (310) moved according to the movement amount of the wire (210).
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