KR101680711B1 - Spherical shoe - Google Patents

Abstract

The present invention relates to a spherical bridge bearing, installed between an upper plate of a bridge and a pier or an abutment. The spherical bridge bearing comprises: a lower plate; a sliding plate; an upper plate; an upper portion connection plate; and a shear key. According to the present invention, horizontal and vertical coupling forces between the upper plate and the upper connection plate are increased.

Description

{Spherical shoe}

The present embodiment relates to a spherical coordinate system, that is, a spherical coordinate system that has a large shear resistance against horizontal slip and is easy to replace and repair the coordinate system.

Generally, bridges are installed with alternating bridges or on the upper side of bridges, and a bridging device is installed between the bridge bridges and bridges or bridges. The bridge is installed at an alternating or bridge pier and transmits the load acting on the weight of the bridge or the bridge deck to the lower part and absorbs the displacement according to the shear force acting horizontally due to earthquake, wind, temperature change, It is installed to extend the life span.

For example, a spherical coordinate system capable of corresponding to a rotational displacement as well as a horizontal displacement is widely used.

An example of the spherical coordinate system is disclosed in Korean Patent No. 10-0740163 entitled " Separate Oilless Bridge Support "(Figs. 1A and 1B). A lower plate having a front end groove formed at a central portion of the upper surface thereof and a pair of supporting blocks formed by pairs of upper and lower side surfaces and having a locking protrusion formed on both outer and inner ends thereof; A middle plate provided between the lower portion of the inside of the support block and inserted into the front end groove of the lower plate and formed with a shear key on the lower surface thereof and having concave hemispherical curved grooves formed on the upper surface thereof, A convex hemispherical bearing plate provided in contact with the concave hemispherical curved groove of the middle plate; And a top plate which is in contact with an upper surface of the convex hemispherical bearing plate so as to have an engagement protrusion formed at both upper ends thereof, wherein the middle plate is lifted by a height of a shear key formed on the lower surface thereof, And a through hole communicating with the bearing concrete formed on the lower surface of the lower plate is formed on the lower plate, and the hemispherical bearing plate is a hemispherical bearing plate made of brass.

However, in the related art, when the repairing or replacing is required due to damage or corrosion of the calibration apparatus during use, it is necessary to raise the bridge upper plate at least above the height of the shear keys 210 and 410, Or even if it does not exceed the pull-up limit, there is a problem that serious structural defects may be caused in the bridge.

In addition, the shear keys 210 and 410 of the related art have a circular shape formed at the center portion of the middle plate or the upper plate, which is insufficient to support a large horizontal shearing force applied from the bridge top plate.

Patent 1: Korean Patent No. 10-0740163

In order to solve the above-mentioned problems, the present invention is characterized in that a lower plate, a humidifying plate, an upper plate, and an upper connecting plate are sequentially arranged on an alternate or pierced angle, and a contact surface between the upper plate and the upper connecting plate is provided with a front- The present invention is to provide a spherical coordinate measuring apparatus in which the horizontal and vertical shearing resistances of the upper plate and the upper connecting plate are very large by forming the left and right projecting portions and forming the front and rear recessed portions and the left and right recessed portions on the other side.

The upper and lower halves of the front end bar are respectively inserted into the left and right recessed grooves of the upper connecting plate and the auxiliary left and right recessed grooves of the upper plate, The present invention provides a spherical coordinate system in which the height of a top of a bridge top is minimized, thereby preventing the bridge top plate from being damaged.

형상으로 형성함으로써, 상부판과 상부연결판이 수직방향으로 견고하게 결합되어 부상(浮上)이 방지되는 스페리컬 교좌장치를 제공하고자 한다.The cross section of the front end bar and the cross section of the left and right recessed portions and the auxiliary left and right recessed portions are concave

So that the upper plate and the upper connecting plate are firmly coupled to each other in the vertical direction to prevent the floating plate from being floated.

Further, since the front and rear recessed portions are formed in a trapezoidal shape with a wide inner side and the front and rear projecting portions are formed in a trapezoidal shape corresponding to the front and rear recessed groove portions, the upper plate and the upper connection plate are firmly coupled in the vertical direction, And to provide a spherical quasi-static device that is prevented.

It is also intended to provide a spherical coordinate measuring apparatus which prevents the shear bar from being pulled out by itself by engaging a lid which is located on the left and right sides of the upper connecting plate and whose center of gravity is located on the lower side and is rotatable.

The spherical orthodontic apparatus according to an embodiment of the present invention is provided on the upper side of the alternation or pier in the case of a spherical coordinate system provided alternately or between a bridge pier and a bridge top plate in which spherical spherical recesses A formed bottom plate; A humidification plate provided on the upper side of the lower plate and having a spherical spherical protrusion inserted into the spherical recess at the lower side; An upper plate installed above the wet platen; An upper connection plate provided on the upper side of the upper plate; And a front and rear protruding portions and left and right protruding portions protruding in a front and back direction and a left and right direction on either side of a contact surface of the upper plate and the upper connecting plate, And a shear key including a recessed groove portion and a left and right recessed portion, wherein horizontal sliding between the upper plate and the upper connecting plate is prevented by the shear key.

The left and right projecting portions are formed in a front end portion separated from the one side surface and auxiliary left and right groove portions are formed in the seat of the left and right projecting portions so as to be depressed in the left and right direction and the upper half portion of the front end bar is inserted into the left and right recessed portions And the lower half is inserted into the auxiliary left and right recessed grooves on one side and the upper plate and the upper connecting plate are slidable in the front and rear direction by drawing the front end bar to the left or right side.

형상이고, 상기 좌우요홈부와 상기 보조좌우요홈부를 합한 횡단면은 중앙부가 오목한

형상이며, 상기 상부판과 상기 상부연결판은 상기 전단바에 의해 수직방향으로 견고히 결합되는 것을 특징으로 할 수 있다.Further, the transverse section of the front end bar may have a concave

Wherein a cross section of the left and right recessed grooves and the auxiliary right and left recessed sections is formed in a concave

And the upper plate and the upper connecting plate are rigidly coupled to each other in a vertical direction by the shear bar.

The front and rear protrusions are trapezoidal in shape corresponding to the front and rear recessed grooves, and the upper plate and the upper connection plate are firmly coupled to each other in the vertical direction by the front and rear protrusions . ≪ / RTI >

The apparatus may further include a lower connection plate provided between the alternate pier or bridge and the lower plate.

The upper plate may include a wing plate protruding laterally from the front left and right sides and the rear left and right sides, respectively, and each of the supports may include a front plate, a front plate, The movement of the upper plate in the lateral direction is restricted, and the movement of the upper plate in the forward and backward directions is allowed only to a certain extent.

In addition, it is possible to further prevent floating of the top plate by further including a trapezoidal injury prevention plate coupled to each of the support portions.

In addition, the flotation prevention plate may have a protrusion at a lower portion thereof, and the protrusion is inserted into a protrusion groove formed in a side surface of the lower plate, so that the flotation prevention plate is firmly coupled to the lower plate.

The apparatus may further include a vertical sliding plate provided between the support portion and the upper plate.

The apparatus may further include a horizontal sliding plate provided between the humidifying plate and the upper plate.

In addition, since the lid having the center of gravity is located on the lower and left sides of the upper connection plate and is rotatable, the shear bar can be prevented from being pulled out by itself, and can be easily drawn out if necessary.

According to the present invention, a bottom plate, a humidifying plate, an upper plate, and an upper connecting plate are sequentially disposed on an alternating or piercing angle, and the front and rear protrusions and the left and right protrusions are formed on the contact surfaces of the upper plate and the upper connecting plate, By providing the front and rear recessed grooves and the left and right recessed portions on the other side, it is possible to provide a very large effect of the shear resistance in the horizontal direction of the upper plate and the upper connecting plate.

The upper and lower halves of the front end bar are respectively inserted into the left and right recessed grooves of the upper connecting plate and the auxiliary left and right recessed grooves of the upper plate, It is possible to minimize the height of the upper bridge of the bridge and thereby to prevent the bridge top plate from being damaged.

형상으로 형성함으로써, 상부판과 상부연결판이 수직방향으로 견고하게 결합되어 부상이 방지되는 효과를 제공할 수 있다.The cross section of the front end bar and the cross section of the left and right recessed portions and the auxiliary left and right recessed portions are concave

It is possible to provide an effect that the top plate and the top connecting plate are firmly coupled in the vertical direction to prevent injury.

Further, since the front and rear recessed portions are formed in a trapezoidal shape with a wide inner side and the front and rear projected portions are formed into a trapezoidal shape corresponding to the front and rear recessed portions, the upper plate and the upper connection plate are firmly coupled in the vertical direction, Can be provided.

Also, by providing a lid having a center of gravity at the lower side and being rotatable on the left and right sides of the upper connecting plate, it is possible to provide an effect of preventing the shear bar from being pulled out by itself.

Figs. 1A and 1B are an exploded perspective view and a sectional view showing a spherical coordinate system according to the prior art.
2A to 2C are an exploded perspective view and an engagement sectional view showing a spherical coordinate system according to an example of the present invention.
FIGS. 3A to 3D are an exploded perspective view, a combined perspective view, and a partial sectional view, respectively, showing a shearing bar of a spherical coordinate measuring apparatus according to an embodiment of the present invention.
Figs. 4 and 5 are exploded perspective views illustrating shear bars of different shapes of the spherical coordinate measuring apparatus according to an example of the present invention.
6 is an exploded perspective view showing a state in which a lid is coupled to left and right sides of an upper connection plate of a spherical coordinate system according to an example of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In the drawings, like reference numerals are used to refer to like elements throughout the drawings, even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, May be "connected "," coupled "or" connected ".

Hereinafter, the configuration of a spherical coordinate system according to an example of the present invention will be described in detail with reference to FIGS.

2A to 2C, a spherical bridge according to an exemplary embodiment of the present invention includes a lower plate 20, a wet platen 30, an upper plate 40, A connection plate 50 is sequentially installed and a contact point between the top plate 40 and the upper connection plate 50 is provided. On the other hand, in the following description, the forward and backward direction refers to the direction of throttling of the bridge, and the lateral direction refers to the direction perpendicular to the intersecting direction of the bridge.

The lower plate 20 is installed on the upper side of the pier or alternately and fixed to the pier or pier using an anchor bolt, or alternatively, an anchor socket is embedded in the pier or pier, and then the anchor socket is fixed to the anchor socket using an anchor bolt can do.

The lower plate 20 is formed with a spherical concave spherical concave portion that is concave on the upper side, and the humidifying plate 30 to be described later is rotatably installed in the spherical concave groove portion. The left and right sides of the lower plate 20 are respectively provided with support portions 22 protruded upwardly to prevent or suppress the flow of the upper plate 40 in the left and right direction, do.

In addition, each of the support portions 22 may be combined with a flap-shaped flotation prevention plate 60 to prevent the top plate 40 from being lifted. The flotage prevention plate 60 is provided with a protrusion 62 at a lower portion thereof and the protrusion 62 is inserted into a protrusion groove 24 formed in a side surface of the lower plate 20, 60 may be more firmly coupled to the bottom plate 20. [ Further, the protruding grooves 24 may be formed at the lowermost side of the bottom plate 20. [

Further, the lower connection plate 10 may be further provided on the lower side of the lower plate 20, that is, alternately or between the bridge pier and the lower plate 20.

The sliding plate 30 is installed on the upper side of the lower plate 20. A spherical spherical protrusion inserted into the spherical recessed portion of the lower plate 20 is formed on the lower side of the sliding plate 30, The wobble plate 30 smoothly rotates in the spherical recessed portion of the lower plate 20 to absorb the rotational displacement such as deflection due to the vertical load and transmit the upper load to the lower portion. Therefore, the shape of the spherical protrusion is preferably formed so as to correspond well to the shape of the spherical recess.

Further, a horizontal sliding plate 72 is provided between the wet platen 30 and an upper plate 40 to be described later, so that the displacement of the bridge top plate in the throttling direction, that is, in the forward and backward directions can be well accommodated. At this time, a vertical sliding plate 70 is further provided between the support portion 22 and the upper plate 40, so that the movement of the upper plate 40 in the front-rear direction can be smoothly performed.

A sealing material is provided around the outer circumference of the wet platen 30 to maintain airtightness so that rainwater, dust, and the like are prevented from flowing between the bottom plate 20 and the wet platen 30, 30 can be performed well.

The upper plate 40 is installed on the upper side of the wet platen 30. The lower plate 40 may be formed with a wing plate 45 on each of the front left and right sides and the rear left and right sides. That is, the four wing plates 45 can be protruded in the lateral direction of the top plate 40, that is, the left and right directions, and the support portions 22 provided on the right and left sides of the bottom plate 20 The movement of the upper plate 40 in the lateral direction is restricted or prevented, and the movement of the upper plate 40 in the forward and backward directions is allowed to some extent, thereby accommodating the expansion and contraction of the bridge top plate in the throttle direction . Therefore, the interval between the front and rear blade plates 45 is formed to be wider than the width of the support portion 22 in the front-rear direction.

The upper connection plate 50 is installed on the upper plate 40 and may be bolted to the upper plate 40. The upper connection plate 50 is welded to the lower side of the bridge top plate by welding or bolt. At this time, the upper connection plate 50 is directly fixed to the bridge top plate by welding, bolt or the like, And the upper connecting plate 50 may be fixed to the steel plate by welding, bolts, or the like.

The contact surface between the upper plate 40 and the upper connecting plate 50 may be provided with a shear key to prevent horizontal sliding, that is, sliding, between the upper plate 40 and the upper connecting plate 50. The shear key comprises a protrusion and a recess, and the protrusion is fitted in the recess to prevent the upper connection plate 50 from slipping off the top plate 40. Therefore, a protrusion is formed on one side of the upper plate 40 and the upper connection plate 50, and a groove is formed on the other side. However, for convenience of explanation, one side will be referred to as the upper plate 40 side and the other side will be referred to as the upper connection plate 50 side.

The front and rear protrusions 42 are protruded in the front-rear direction, that is, the throttle direction, on the upper side of the top plate 40, and the left and right protrusions 44 are protruded in the left-right direction. The front and rear recessed grooves 52 are recessed in the front-rear direction below the upper connection plate 50, and the left and right recessed recesses 54 are recessed. It is preferable for the slip prevention that the projecting portion and the recessed portion have a cross shape and the cross section has a rectangular shape. The front and rear protrusions 42 and the left and right protrusions 44, the front and rear recessed recesses 52 and the left and right recessed recesses 54 are formed to be long over the entire area of the upper plate 40 and the upper connecting plate 50, There is a great effect of the horizontal coupling force of the upper connecting plate 40 and the upper connecting plate 50 and the shear resistance which can resist the horizontal slip.

3A to 3D, the left and right projecting portions 44 may be formed separately from the top plate 40. [ The upper plate 40 is formed with a recessed portion in the left and right direction at the seat of the left and right projecting portions 44. The left and right projecting portions 44 are formed of a front end bar 46 including a portion of the left and right projecting portions 44 and a portion of the lower portion of the upper plate 40, An auxiliary left and right recessed trench 48 may be formed. The upper half of the front end bar 46 is inserted into the left and right recessed grooves 54 of the upper connection plate 50 and the lower half is inserted into the auxiliary left and right recessed grooves 48 of the upper plate 40, 40 and the upper connecting plate 50 in the longitudinal direction. Therefore, it is preferable that the recessed portion into which the shear bar 46 and the shear bar 46 are inserted is formed in a rectangular shape in cross section.

In the case of the front end bar 46, the upper plate 40 and the upper connection plate 50 are slidable in the front-rear direction by drawing out to the left or right. Therefore, the contour apparatus can be drawn forward or backward while minimizing the lifting height of the bridge top plate, so that the contour apparatus can be taken out and replaced or repaired without damaging the bridge top plate. Therefore, the durability and safety of the bridge are improved, and maintenance and replacement of the coordinate system can be performed quickly and easily.

형상으로 형성하고, 상기 좌우요홈부(54)와 보조좌우요홈부(48)를 합한 횡단면도 전단바(46)가 긴밀하게 삽입되도록 중앙부가 오목한

형상으로 형성할 수 있다. 이 경우, 상기 상부판(40)과 상부연결판(50)은 수직방향으로 견고하게 결합되며 부상이 방지된다. 따라서 상부판(40)과 상부연결판(50)을 연결하는 볼트 등이 불필요하거나, 또는 볼트 등에 추가하여 더 견고하게 결합되게 할 수 있다. 본 실시예는 교대 또는 교각으로부터 교량의 상판까지 수직방향으로 서로 연결됨으로써 교량 상판의 부상을 확실히 방지하는 효과가 있다.Referring to FIG. 4, the front end bar 46 has a cross-

And a transverse sectional view including the left and right recessed groove portions 54 and the auxiliary left and right recessed recesses 48 is formed so that the central portion thereof is concave

Can be formed. In this case, the upper plate 40 and the upper connection plate 50 are firmly coupled to each other in the vertical direction, and floating is prevented. Therefore, bolts or the like for connecting the upper plate 40 and the upper connecting plate 50 are unnecessary, or they can be more firmly coupled to the bolts or the like. The present embodiment has an effect of reliably preventing the bridge top plate from being lifted by being connected to each other in the vertical direction from the alternate bridge or bridge to the upper bridge of the bridge.

5, the front and rear recessed grooves 52 may be formed in a trapezoid shape having a wide width on the inner side, and the front and rear protrusions 42 may be formed in a trapezoidal shape corresponding to the front and rear recessed grooves 52 have. In this case, the upper plate 40 and the upper connecting plate 50 are more firmly coupled in the vertical direction, so that lifting can be reliably prevented.

Referring to FIG. 6, the lid 80 may be coupled to the left and right sides of the upper connection plate 50. The lid 80 has a center of gravity positioned on the lower side and is formed in a freely rotatable structure, thereby covering the concave portion with its own weight, thereby preventing the shear bar 46 from being pulled out by itself. That is, it is possible to prevent an accident that the shear bar 46 is pulled out by itself due to the vibration of the bridge, and if necessary, by rotating the lid 80, the shearing bar 46 can be pulled out very easily, .

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the constituent elements may be constituted or operated selectively in combination with one or more. Furthermore, the terms "comprises", "comprising", or "having" described above mean that a component can be implanted unless otherwise specifically stated, But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: Lower connection plate
20:
22:
24: projection groove
30: wet copper plate
40:
42:
44: right and left protrusions
45: wing plate
46: shear bar
48: auxiliary left and right groove
50: upper connection plate
52: front and rear groove
54:
60: Injury prevention plate
62: protrusion
70: Vertical sliding plate
72: Horizontal sliding plate
80: Cover

Claims (11)

1. A spherical coordinate system installed between an alternating or pier bridge and a bridge top plate,
A lower plate provided on the upper side of the alternate bridge or pier and having a concave spherical spherical recess on the upper side;
A humidification plate provided on the upper side of the lower plate and having a spherical spherical protrusion inserted into the spherical recess at the lower side;
An upper plate installed above the wet platen;
An upper connection plate provided on the upper side of the upper plate; And
A front and rear protruding portions and left and right protruding portions protruding from the one side surface of the contact surface of the upper plate and the upper connecting plate respectively in the forward and backward directions and in the left and right direction and front and rear protrusions, And a shear key including a groove portion and left and right groove portions,
The horizontal slip between the upper plate and the upper connecting plate is prevented by the shear key,
Wherein the left and right projecting portions are separated from the one side surface,
Wherein the left and right projecting portions are formed with auxiliary left and right recessed portions formed to be recessed in the lateral direction,
The upper half of the front end bar is inserted into the left and right recessed grooves of the other side and the lower half is inserted into the auxiliary left and right recessed grooves of the one side and the front end bar is drawn out to the left or right side, It is possible to slide in the front-rear direction,
The transverse section of the shear bar has a concave

Wherein a cross section of the left and right recessed grooves and the auxiliary right and left recessed sections is formed in a concave

Wherein the upper plate and the upper connecting plate are rigidly coupled in a vertical direction by the shear bar,
The front and rear protrusions are formed in a trapezoidal shape corresponding to the front and rear recessed grooves, and the upper plate and the upper connection plate are rigidly coupled to each other in the vertical direction by the front and rear protrusions,
Wherein the shear bar is prevented from being pulled out by itself by being coupled with a lid which is positioned on the left and right sides of the upper connecting plate and the center of gravity is located on the lower side and is freely rotatable.
delete delete delete The method according to claim 1,
Further comprising a lower connection plate provided between the alternate pier or bridge and the lower plate.
The method according to claim 1,
And a support portion protruded upward from the left and right sides of the bottom plate,
Wherein the upper plate includes a blade plate projecting in a lateral direction on each of the front left and right front and rear left and right sides,
Wherein each of the support portions is located between the front and rear blade plates, whereby the movement of the top plate in the lateral direction is restricted, and only a certain portion of the movement in the forward and backward directions is allowed.
The method of claim 6,
Further comprising: a sprung-type injury prevention plate coupled to each of the support portions, thereby preventing lifting of the upper plate.
The method of claim 7,
Wherein the float prevention plate is provided with a protrusion at a lower portion thereof and the protrusion is inserted into a protrusion groove formed in a side surface of the lower plate so that the float prevention plate is firmly coupled to the lower plate.
The method of claim 6,
And a vertical sliding plate provided between the support portion and the upper plate.
The method according to claim 1,
And a horizontal sliding plate provided between the humidification plate and the upper plate.
delete

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