KR100918090B1 - Sliding bearing for absorbing extensive displacement - Google Patents

Abstract

A sliding bearing is provided to for absorb an extensive displacement between the upper and lower structures of a seismic isolation building or bridge with the relatively small dimension and to support a vertical load applied to unspecified spots stably and horizontal and revolution loads smoothly. A sliding bearing for absorbing an extensive displacement comprises an upper plate(10) which is mounted beneath an upper structure of a seismic isolation building or bridge and extends long in the longitudinal direction, a lower plate(20) which is mounted on a lower structure of a seismic isolation building or bridge and extends long in the longitudinal direction, an upper sliding portion(30) which is arranged beneath the upper plate and slides horizontally along the upper plate, a lower sliding portion(40) which is arranged on the lower plate and slides horizontally along the lower plate which is installed to be crossed perpendicularly to the upper plate, and a rubber plate(50) which is arranged between the upper and lower sliding portions in order to elastically support the interval between an upper body(31) and a lower body(41).

Description

SLIDING BEARING FOR ABSORBING EXTENSIVE DISPLACEMENT}

The present invention relates to a sliding support that is installed between the upper structure and the lower structure of the base building and the bridge, and more specifically, the simple structure and easy construction and the upper structure and the lower structure of the base building and bridge in a relatively small size The present invention relates to a slide support for absorbing clown displacement, which supports the vertical load applied to an unspecified point while being able to stably absorb the vast displacement between them, and to support the horizontal load and the rotating load smoothly.

In general, the bearing refers to a device for smoothly transferring the load of the upper structure to the lower structure between the upper structure and the lower structure. In the past, the support simply performed the role of load transfer. It also serves to reduce the impact of dynamic loads such as earthquakes and wind loads, and is also used for the isolation of buildings and bridges.

The bases of the base and the bridge are divided into steel bearings and rubber bearings depending on the main materials. Depending on the function, there are port bearings, elastic bearings, disc bearings, sliding bearings, and so on. By installing in combination, the structure is stably supported and at the same time absorbs displacements generated when loads are applied to the structure in various directions.

As shown in FIGS. 12 and 13, the base of the base building and the bridge according to the prior art show an upper plate 100 mounted on an upper structure, a lower plate 200 mounted on a lower structure, and the lower plate 200. It consists of a buffer rubber plate 300 provided inside, and a piston member 400 provided on the upper surface of the buffer rubber plate 300 to support the lower surface of the upper plate 100 to be slidable.

The base of the conventional seismic building and the bridge configured as described above is a vertical load of the upper structure applied through the upper plate 100 is transmitted to the buffer rubber plate 300 through the piston member 400, the transferred vertical load is It has a structure absorbed by the buffer rubber plate (300).

However, the above conventional technology has the following problems.

The base of the conventional base building and bridge support has a problem that the top plate must be relatively large compared to the bottom plate in order to stably absorb the lateral load applied from the upper structure or the vertical load applied at an unspecified point.

In addition, there is a problem that the horizontal load and the rotational load caused by the vertical load applied at the unspecified point of the upper plate may not be smoothly supported.

In addition, there is a problem that the lifting phenomenon due to the negative reaction force generated in the upper plate itself due to the unloading load applied to the upper plate easily occurs.
In addition, the conventional sliding support for accommodating the displacement by the lateral load has a limitation on the lateral displacement of the upper structure, so when the displacement of more than the design displacement of the sliding support occurs due to the earthquake or the like, the bridge deck is broken or the building There was also a problem such as overturning or damage.

Accordingly, the present invention has been made to solve the conventional problems as described above,

An object of the present invention is a simple structure and easy construction and relatively small in size, while maximizing the receiving distance of displacement generated between the upper structure and the lower structure of the base isolation building and the bridge to be able to stably absorb the vast displacement while unspecified point The present invention provides a wide displacement absorbing slide support that supports the vertical load applied to the load and at the same time smoothly supports the horizontal load and the rotating load.

In addition, another object of the present invention is to facilitate the installation and replacement of the upper and lower guide plate to facilitate the shifting of the upper and lower sliding portion through the upper and lower guide plate of a simple structure, the slip support for absorbing wide displacement In providing.

In addition, another object of the present invention is to provide a sliding support for absorbing the vast displacement to prevent the phenomenon of lifting due to the negative reaction force generated by the unloading.

In addition, another object of the present invention is to provide a sliding support for absorbing vast displacement to reduce the friction when sliding by the point load.

In order to achieve the object of the present invention as described above, a wide displacement absorbing slide support according to a preferred embodiment of the present invention is mounted on the lower surface of the base structure and the upper structure of the bridge, the top plate is formed long in the longitudinal direction; A lower plate mounted on an upper surface of the base building and the lower structure of the bridge, the lower plate being elongated in the longitudinal direction in a direction perpendicular to the upper plate; An upper sliding part disposed on a lower surface of the upper plate and provided to be slidable horizontally along the upper plate; A lower sliding part disposed on an upper surface of the lower plate and slidably horizontally disposed along the lower plate in a direction orthogonal to the upper plate; An elastic rubber plate disposed between the upper sliding portion and the lower sliding portion; It is characterized by including.

In addition, the upper sliding portion, the upper body which is provided slidably on the lower surface of the upper plate, and both sides of the upper plate to be slidably supported so as to be removable on both sides of the upper body to guide the movement of the upper body. And an upper coupling plate for detachably coupling the upper guide plate to each of the both ends of the upper body.

In addition, the upper body further includes a first body protrusion formed to protrude horizontally on both sides of the upper body so that the upper coupling bolt is vertically coupled, the upper guide plate, the upper coupling bolt is vertical It characterized in that it further comprises a first guide protrusion formed to protrude horizontally to the lower end of the upper guide plate to correspond to the first body protrusion to be coupled to.

The upper sliding part may further include a first part reaction force preventing jaw formed inwardly at a lower end of the upper guide plate so as to prevent lifting by the negative reaction force of the upper body, wherein the upper plate includes the first part. It characterized in that it further comprises an upper locking groove formed on both sides of the upper plate so that the reaction force stopper.

In addition, the lower sliding portion, the lower body is provided on the upper surface of the lower plate and the lower guide plate provided on both side surfaces of the lower body to guide the movement of the lower body to support the both sides of the lower plate to be slidable. And a lower coupling bolt for detachably coupling the lower guide plate to both side ends of the lower body.

In addition, the lower body further includes a second body protrusion formed to protrude horizontally on both sides of the lower body so that the lower coupling bolt is vertically coupled, the lower guide plate, the lower coupling bolt is vertical And a second guide protrusion formed to protrude horizontally on an upper end of the lower guide plate so as to be coupled to the second body protrusion.

The lower sliding part may further include a second anti-reaction force preventing jaw formed inwardly at a lower end of the lower guide plate to prevent lifting by the sub-reaction force of the lower main body, and the lower plate may include the second sub-reaction force. It characterized in that it further comprises a lower locking groove formed on both sides of the lower plate so that the stopper is caught.

The upper body may further include an insertion groove formed on a lower surface of the upper body to insert the elastic rubber plate, and the lower body may be inserted into the insertion groove while supporting the lower surface of the elastic rubber plate. It further comprises a piston formed on the upper surface of the main body.

In addition, through the center of the elastic rubber plate to prevent the side reaction force by rotatably fixing the center of the lower surface of the upper sliding portion and the center of the upper surface of the lower sliding portion; It further comprises.

In addition, the anti-reaction force portion, the upper locking plate that is rotatably fixed to the inner side of the upper body through the lower surface of the upper body, the lower portion rotatably fixed to the inner side of the lower body through the upper surface of the lower body A connecting rod provided between a lowering plate and a lower surface of the upper locking plate and an upper surface of the lower locking plate through the locking plate, the elastic rubber plate, and the upper locking plate vertically penetrating the upper locking plate and the lower locking plate and the connecting rod. And a plurality of coupling bolts for coupling the lower catching plate and the connecting rod, wherein the upper body and the lower body are respectively provided so as to be disassembled up and down so that the upper catching plate and the lower catching plate are caught inside. .

In addition, between the lower surface of the upper plate and the upper surface of the upper sliding portion, and between the upper surface of the lower plate and the lower surface of the lower sliding portion, respectively, and corresponding to the upper plate and the lower plate friction of the upper sliding portion and the lower sliding portion Upper and lower friction reducing portion to reduce the; It further comprises.

The upper and lower friction reducing parts may include metal plates respectively mounted on the lower surface of the upper plate and the upper surface of the lower plate, and fluorine resin plates respectively mounted on the upper surface of the upper sliding portion and the lower surface of the lower sliding portion to slide along the metal plate. It is characterized by including.

The upper and lower friction reducing parts may include first cloud bearings mounted on the upper surface of the upper sliding part and the lower surface of the lower sliding part corresponding to the lower surface of the upper plate and the upper surface of the lower plate.

In addition, the side surface friction reducing portion provided on the inner side of the upper guide plate and the lower guide plate, the friction between the upper guide plate and the lower guide plate corresponding to both side surfaces of the upper plate and the lower plate; It further comprises.

In addition, the side friction reduction portion, characterized in that it comprises a DU bush is mounted on both sides of the upper plate and the lower plate and the inner side of the upper guide plate and the lower guide plate corresponding thereto.

In addition, the side friction reducing portion, characterized in that it comprises a second rolling bearing mounted on the inner side of the upper guide plate and the lower guide plate corresponding to both side surfaces of the upper plate and the lower plate.

The present invention is simple in structure and simple in construction, and can relatively stably absorb the vast displacement between the upper structure and the lower structure of the base isolation building and the bridge in a relatively small size, and stably supports the vertical load applied to the unspecified point. It has the effect of smoothly supporting the horizontal load and the rotating load.

In addition, the present invention is to provide a wide displacement absorption slip support to facilitate the installation and replacement of the upper and lower guide plate to facilitate the movement of the upper and lower sliding portion through the upper and lower guide plate of a simple structure. have.

In addition, the present invention has an effect that the lifting phenomenon due to the negative reaction force generated by the unloading is smoothly prevented.

In addition, the present invention has the effect that the friction is reduced during the sliding movement by the point load, thereby making the sliding movement stable and smooth.

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

1 is an exploded perspective view showing a first embodiment of the present invention, Figure 2 is a front sectional view of the first embodiment according to the present invention, Figure 3 is an enlarged side cross-sectional view of the main portion of the first embodiment according to the present invention.

As shown therein, the wide displacement absorbing sliding support has an upper plate 10 mounted to the base structure of the base building and the bridge, a lower plate 20 mounted to the base structure of the base building and the bridge, and the upper plate ( 10 between the upper sliding portion 30 provided at the lower portion, the lower sliding portion 40 provided at the upper portion of the lower plate 20, and between the upper sliding portion 30 and the lower sliding portion 40. It includes an elastic rubber plate 50 is provided.

Here, the bridge includes various bridges connecting the buildings to the buildings as well as connecting the land and the ground so that the vehicle can pass through the river or the sea. That is, the bridge includes all road bridges, railway bridges, and other bridges having special functions (eg, inter-building bridges, sky bridges, etc.) and various structures supporting large loads.

The upper plate 10 is mounted on the lower surface of the base building and the upper structure of the bridge is formed long in the longitudinal direction, the upper sliding portion 30 is in close contact with the upper plate 10 in the state It acts as a transportation path to allow movement.

The lower plate 20 is mounted on the upper surface of the base structure and the lower structure of the bridge orthogonal to the upper plate 10 and is formed long in the longitudinal direction, the lower sliding portion 40 is in close contact with the upper surface It serves as a movement path to be moved along the top plate (10).

The upper sliding part 30 is disposed on the lower surface of the upper plate 10 and is provided to be slidable horizontally along the upper plate 10, and is applied vertically to an unspecified point from the upper structure of the base building and the bridge. It moves toward the load and serves to stably support the vertical load occurring at an unspecified point.

The upper sliding part 30 having such a role is the upper body 31 in close contact with the lower surface of the lower plate 20, and the upper guide plate 32 detachably mounted on both sides of the upper body 31, respectively. And, the upper guide plate 32 includes an upper coupling bolt 33 to be detachably coupled to both side ends of the upper body 31.

The upper body 31 serves to provide a place where the upper guide plate 32 is mounted on both side ends while the upper surface is in close contact with the lower surface of the upper plate 10 to slide. The upper guide plate 32 is slidably supported on both sides of the upper plate 10 while being mounted on both sides of the upper body 31 to move the upper body 31 along the upper plate 10. It serves as a guide. The upper coupling bolt 33 is detachably coupled to the upper guide plate 32 to the upper body 31 so that the upper guide plate 32 can be easily replaced in the upper body 31.

The upper body 31 further includes a first body protrusion 311 formed to protrude horizontally on both sides thereof, and the upper guide plate 32 corresponds to the first body protrusion 311 at a lower end thereof. Further comprising a first guide protrusion 321 is formed to protrude horizontally.

The first body protrusion 311 protruding horizontally from both side surfaces of the upper body 31 stably supports the first guide protrusion 321 mounted by the upper coupling bolt 33 in close contact with the upper surface thereof. It plays a role. The first guide protrusion 321 is formed to protrude horizontally at the lower end of the upper guide plate 32 is coupled up and down by the upper coupling bolt 33 in close contact with the upper surface of the first body protrusion 311. As a result, the upper guide plate 32 has a structure for stably supporting external forces in the horizontal and vertical directions.

As such, the upper guide plate when the upper body 31 is horizontally moved by the coupling structure of the first body protrusion 311 and the first guide protrusion 321 for fastening the upper coupling bolt 33 vertically. External force applied to the (32) is not only stably supported, but also easy to assemble and disassemble the upper guide plate 32 to both sides of the upper body (31).

The lower sliding portion 40 is disposed on the upper surface of the lower plate 20 and is provided to be slidable horizontally along the lower plate 20 installed to be perpendicular to the upper plate 10, and to the upper sliding portion 30. Correspondingly, it moves toward the vertical load applied to the unspecified point from the upper structure of the seismic building and the bridge, and serves to support the vertical load together with the upper sliding part 30 generated at the unspecified point.

The lower sliding portion 40 having such a role includes a lower body 41 in close contact with the upper surface of the lower plate 20, lower guide plates 42 provided on both sides of the lower body 41, and the lower portion. It includes a lower coupling bolt 43 for detachably coupling the guide plate 42 to both side ends of the lower body 41.

The lower body 41 serves to provide a place where the lower guide plate 42 is mounted at both ends while the lower body 41 serves to slide in close contact with the upper surface of the lower plate 20. The lower guide plate 42 is slidably supported on both sides of the lower plate 20 while being mounted on both sides of the lower body 41 to guide the movement of the lower body 41 along the lower plate 20. Play a role. The lower coupling bolt 43 is to detachably couple the lower guide plate 42 to the lower body 41 so that the lower guide plate 42 can be easily replaced in the lower body 41.

The lower body 41 further includes a second body protrusion 411 formed to protrude horizontally on both sides thereof, and the lower guide plate 42 is horizontally disposed at an upper end thereof corresponding to the second body protrusion 411. It further includes a second guide protrusion 421 is formed to protrude.

The second main body protrusion 411 protruding horizontally from both sides of the lower main body 41 stably supports the second guide protrusion 421 mounted by the lower coupling bolt 43 in a state of being in close contact with the bottom surface thereof. It plays a role. The second guide protrusion 421 is formed to protrude horizontally on the upper end of the lower guide plate 42 is coupled up and down by the lower coupling bolt 43 in close contact with the lower surface of the second body protrusion 411. As a result, the lower guide plate 42 has a structure for stably supporting external forces in the horizontal and vertical directions.

Thus, the lower guide plate when the lower body 41 is moved horizontally by the coupling structure of the second body protrusion 411 and the second guide protrusion 421 for fastening the lower coupling bolt 43 vertically Not only the external force applied to the 42 is stably supported, but also the assembly and disassembly of the lower guide plate 42 can be easily performed on both side surfaces of the lower main body 41.

The upper body 31 further includes an insertion groove 35 formed on the lower surface thereof, and the lower body 41 further includes a piston 45 formed on an upper surface thereof so as to be inserted into the insertion groove 35. do. The insertion groove 35 is a piston 45 is inserted into the lower surface of the elastic rubber plate 50 while the elastic rubber plate 50 is inserted. Accordingly, the insertion groove 35 and the piston 45 press the elastic rubber plate 50 upward and downward to cushion the vertical and horizontal loads applied from the upper structure through the elastic rubber plate 50.

The cushioning of the vertical load and the horizontal load by the elastic rubber plate 50 as described above is made while the elastic rubber plate 50 is pressurized by the piston 45 in the insertion groove 35, and thus is pressed and buffered. The spacing is an assembly spacing spaced apart from the lower surface of the upper body 31 and the upper surface of the lower body 41 (see enlarged view of FIG. 3).

The elastic rubber plate 50 is disposed between the upper sliding portion 30 and the lower sliding portion 40, and elastically supports between the upper body 31 and the lower body 41 from the upper structure The charge serves to cushion the vertical and horizontal loads.

4 is a plan view of a first embodiment according to the present invention.

As shown in the drawing, when the vertical load is applied to the upper body 31 and the lower body 41 at an unspecified point, the upper body 31 is guided by the upper guide plate 32 so that the vertical load is applied. It moves vertically along the upper plate 10 toward the point, the lower body 41 is guided by the lower guide plate 42 to the horizontal direction along the lower plate 20 toward the point where the vertical load is applied Will be moved to.

As described above, the upper body 31 and the lower body 41 move along the upper plate 10 and the lower plate 20 in the vertical and horizontal directions, and the length of the upper plate 10 and the length of the lower plate 20. It is possible to smoothly absorb the vertical load applied to any specific point on the plane as much as the area corresponding to.

Therefore, it is possible to stably absorb the vertical load of the unspecified point applied to the plane of a relatively large area through the upper plate 10 and the lower plate 20 of a relatively small size.
At this time, a structure such as a bridge or seismic isolation is provided with a plurality of supports including the vast displacement absorbing slide support of the present invention, at least on one side below the lateral displacement is limited or at the same time the structure has a restoring force By installing a lead-proof support or a fixed support, and by installing one or more clever displacement absorbing slide support of the present invention in the remaining corners, the structure is moved sideways by the horizontal load or rotational load, etc. It is possible to prevent overturning and to accommodate a large displacement due to a strong load applied by an earthquake or the like.

Figure 5 is an exploded perspective view showing a second embodiment of the present invention, Figure 6 is a front sectional view of a second embodiment according to the present invention, Figure 7 is a side sectional view of a second embodiment according to the present invention.

As shown therein, the wide displacement absorbing sliding support has an upper plate 10 mounted to the base structure of the base building and the bridge, a lower plate 20 mounted to the base structure of the base building and the bridge, and the upper plate ( 10 between the upper sliding portion 30 provided at the lower portion, the lower sliding portion 40 provided at the upper portion of the lower plate 20, and between the upper sliding portion 30 and the lower sliding portion 40. It includes an elastic rubber plate 50 and the anti-reaction force preventing portion 60 for fixing the upper sliding portion 30 and the lower sliding portion 40 to each other.

Here, the bridge includes various bridges connecting the buildings to the buildings as well as connecting the land and the ground so that the vehicle can pass through the river or the sea. That is, the bridge includes all road bridges, railway bridges, and other bridges having special functions (eg, inter-building bridges, sky bridges, etc.) and various structures supporting large loads.

The upper plate 10 is mounted on the lower surface of the base building and the upper structure of the bridge is formed long in the longitudinal direction, the upper sliding portion 30 is in close contact with the upper plate 10 on the lower surface It acts as a transportation path to allow movement.

The lower plate 20 is mounted on the upper surface of the base structure and the lower structure of the bridge orthogonal to the upper plate 10 and is formed long in the longitudinal direction, the lower sliding portion 40 is in close contact with the upper surface It serves as a movement path to be moved along the top plate (10).

The upper sliding part 30 is disposed on the lower surface of the upper plate 10 and is provided to be slidable horizontally along the upper plate 10, and is applied vertically to an unspecified point from the upper structure of the base building and the bridge. It moves toward the load and supports the vertical loads occurring at unspecified points.

The upper sliding portion 30 that serves as described above is in close contact with the lower surface of the lower plate 20 and the upper body 31 is coupled to the upper end of the negative reaction prevention portion 60, and on both sides of the upper body 31 The upper guide plate 32 is detachably mounted, and the upper coupling plate 33 for detachably coupling the upper guide plate 32 to both side ends of the upper body 31, respectively.

The upper body 31 is provided in a state in which the upper surface is separated up and down while the upper surface is in close contact with the lower surface of the upper plate 10 to be fixed to the upper end of the anti-reaction force preventing portion 60 therein. It plays a role.

The upper guide plate 32 is slidably supported on both sides of the upper plate 10 while being mounted on both sides of the upper body 31 to move the upper body 31 along the upper plate 10. It serves as a guide. The upper coupling bolt 33 is detachably coupled to the upper guide plate 32 to the upper body 31 so that the upper guide plate 32 can be easily replaced in the upper body 31.

The upper body 31 further includes a first body protrusion 311 formed to protrude horizontally on both sides thereof, and the upper guide plate 32 corresponds to the first body protrusion 311 at a lower end thereof. Further comprising a first guide protrusion 321 is formed to protrude horizontally.

The first body protrusion 311 protruding horizontally from both side surfaces of the upper body 31 stably supports the first guide protrusion 321 mounted by the upper coupling bolt 33 in close contact with the upper surface thereof. It plays a role. The first guide protrusion 321 is formed to protrude horizontally at the lower end of the upper guide plate 32 is coupled up and down by the upper coupling bolt 33 in close contact with the upper surface of the first body protrusion 311. As a result, the upper guide plate 32 has a structure for stably supporting external forces in the horizontal and vertical directions.

The upper sliding part 30 further includes a first sub-reaction stopper 34 formed inwardly at a lower end of the upper guide plate 32, and the upper plate 10 includes the first sub-reaction stopper 34. It further comprises an upper catching groove 11 formed on both sides thereof to be caught. The first sub-reaction force preventing jaw 34 is smoothly prevented from being lifted by the upper main body 31 due to the sub-reaction force generated by the load applied to the upper main body 31 by being caught by the upper locking groove 11.

The lower sliding portion 40 is disposed on the upper surface of the lower plate 20 and is provided to be slidable horizontally along the lower plate 20 provided to intersect the upper plate 10. The lower sliding portion 30 is provided on the upper sliding portion 30. Correspondingly, it moves toward the vertical load applied to the unspecified point from the upper structure of the seismic building and the bridge, and serves to support the vertical load together with the upper sliding part 30 generated at the unspecified point.

The lower sliding portion 40 serving as such is in close contact with the upper surface of the lower plate 20 and the lower body 41 is coupled to the lower end of the anti-reaction force preventing portion 60, and on both sides of the lower body 41 It includes a lower guide plate 42 and the lower coupling plate 43 for detachably coupling the lower guide plate 42 to both side ends of the lower body 41.

The lower body 41 is provided in a state in which the lower surface is in contact with the upper surface of the lower plate 20 to slide up and down while being separated into upper and lower portions to secure the lower end of the anti-reaction force portion 60 to the inside thereof. Play a role.

The lower guide plate 42 is slidably supported on both sides of the lower plate 20 while being mounted on both sides of the lower body 41 to guide the movement of the lower body 41 along the lower plate 20. Play a role. The lower coupling bolt 43 is to detachably couple the lower guide plate 42 to the lower body 41 so that the lower guide plate 42 can be easily replaced in the lower body 41.

The lower body 41 further includes a second body protrusion 411 formed to protrude horizontally on both sides thereof, and the lower guide plate 42 is horizontally disposed at an upper end thereof corresponding to the second body protrusion 411. It further includes a second guide protrusion 421 is formed to protrude.

The second main body protrusion 411 protruding horizontally from both sides of the lower main body 41 stably supports the second guide protrusion 421 mounted by the lower coupling bolt 43 in a state of being in close contact with the bottom surface thereof. It plays a role. The second guide protrusion 421 is formed to protrude horizontally on the upper end of the lower guide plate 42 is coupled up and down by the lower coupling bolt 43 in close contact with the lower surface of the second body protrusion 411. As a result, the lower guide plate 42 has a structure for stably supporting external forces in the horizontal and vertical directions.

The lower sliding portion 40 further includes a second lower reaction force stop 44 formed inwardly at a lower end of the lower guide plate 42, and the lower plate 20 is caught by the second lower reaction force stop 44. It further comprises a lower locking groove 21 formed on both sides thereof. The second sub-reaction force preventing jaw 44 is smoothly prevented from being lifted by the lower main body 41 due to the sub-reaction force generated by the load applied to the lower main body 41 by being caught by the lower locking groove 21.

The elastic rubber plate 50 is disposed between the upper sliding portion 30 and the lower sliding portion 40, and elastically supports between the upper body 31 and the lower body 41 from the upper structure The charge serves to cushion the vertical and horizontal loads.

The cushioning of the vertical load and the horizontal load by the elastic rubber plate 50 as described above is made while the elastic rubber plate 50 is pressurized, and thus the pressured and buffered intervals are the lower body and the lower body 41 of the upper body 31. Assembled spacing is formed spaced apart between the upper surface of the () (see enlarged view of Figure 6).

The negative reaction prevention part 60 is provided at the center of the lower surface of the upper sliding part 30 and the upper surface of the lower sliding part 40 by penetrating the center of the elastic rubber plate 50, and the upper body 31 and the upper body 31. The lower body 41 is rotatably fixed to support the torsional load or the rotational load applied to the upper body 31 and the lower body 41 while the center of the upper body 31 and the lower body 32 is up and down. It is fixed to the role of preventing the negative reaction force due to the lateral load applied to the upper body 31 and the lower body 32.

The anti-reaction force part 60 having such a role is an upper locking plate 61 rotatably fixed to the inner side of the upper body 31 through the lower surface of the upper body 31, and the lower body 41. A lower locking plate 62 rotatably fixed to the inner side of the lower main body 41 through an upper surface of the lower body, and provided between a lower surface of the upper locking plate 61 and an upper surface of the lower locking plate 62. Through the connecting rod 63, the upper locking plate 61 and the lower locking plate 62 and the connecting rod 63 through the upper locking plate 61 and the lower locking plate 62 and the connecting rod 63 To include a coupling bolt 64.

The upper catching plate 61 is fixed to the upper body 31 to be rotatably fixed to the inner side of the upper body 31. The lower locking plate 62 is fixed to the lower body 41 to be rotatably fixed to the inner side of the lower body 41. The connecting rod 63 and the coupling bolt 64 are coupled in a state where the upper locking plate 61 and the lower locking plate 62 are connected so that the center of the upper body 31 and the center of the lower body 41 are rotatable. To be combined with each other.

In other words, the upper locking plate 61 and the lower locking plate 62 are fixed after the upper body 31 is fixed to the upper locking plate 61 and the lower body 41 is fixed to the lower locking plate 62. By connecting and coupling with the connecting rod 63 and the coupling bolt 64, the upper main body 31 and the lower main body 41 are firmly fixed to each other to prevent the lifting phenomenon due to the negative reaction force.

Thus, the sliding support is formed of the first and second anti-reflection jaw 34 and the second anti-reflection jaw 44 formed on the upper guide plate 32 and the lower guide plate 42, the upper main body 31 and the lower main body ( By the anti-reaction force unit 60 connecting the center of 41) by connecting both the upper and lower sides and the inner center of the sliding support at once to prevent the side reaction stably.

Figure 8 is an enlarged side cross-sectional view showing the main portion showing a third embodiment according to the present invention.

As shown therein, the sliding support is provided with a vertical friction between the lower surface of the upper plate 10 and the upper surface of the upper body 31 and between the upper surface of the lower plate 20 and the lower surface of the lower body 41, respectively. The reduction unit 70 further includes.

The upper and lower friction reduction parts 70 correspond to the upper plate 10 and the lower plate 20 so that the upper main body 31 and the lower main body 41 slide easily so that the upper main body 10 and the upper main body 31 of the upper main body 31 and the lower main body 31 are slid. It serves to reduce the friction generated between and between the lower plate 20 and the lower body (41).

The upper and lower friction reducing parts 70 serving as described above are provided on the lower surface of the upper plate 10 and the upper surface of the lower plate 20, respectively, and the upper body so as to slide along the metal plate 71. And a fluorine resin plate 72 mounted on an upper surface of the 31 and a lower surface of the lower body 41, respectively.

The metal plate 71 is preferably provided with a stainless steel sheet, and the fluorine resin plate 72 closely adhered thereto is a PTFE (Poly Tetra Fluoro Ethylene) plate made of fluorine resin.

Figure 9 is an enlarged side cross-sectional view showing main portion showing a fourth embodiment according to the present invention.

As shown in the figure, the upper and lower friction reducing parts 70 are mounted on the upper surface of the upper body 31 and the lower surface of the lower body 41, respectively, corresponding to the lower surface of the upper plate 10 and the upper surface of the lower plate 20. The first rolling bearing 73 is included.

The first cloud bearing 73 is rotated in contact with the lower surface of the upper plate 10 and the upper surface of the lower plate 20 while being installed on the upper surface of the upper body 31 and the lower surface of the lower body 41. The 31 and the lower body 41 is to slide easily along the upper plate 10 and the lower plate 20.

As shown, the first rolling bearing 73 has a structure for mounting a plurality of balls capable of rolling on the upper surface of the upper body 31 and the lower surface of the lower body 41, but is not limited thereto. Members of cylindrical, spherical or polygonal shapes capable of rotating or rolling in form can be applied.

Figure 10 is an enlarged side cross-sectional view showing main portion showing a fifth embodiment according to the present invention.

As shown therein, the sliding support further includes a side friction reducing portion 80 provided on the inner side of the upper guide plate 32 and the lower guide plate (not shown), respectively.

The side friction reducing portion 80 corresponds to both side surfaces of the upper plate 10 and the lower plate 20 so that the upper guide plate 32 and the lower guide plate (not shown) are easily slid so that the upper plate 10 and the upper plate 10 are easily slid. It serves to reduce the friction generated between the guide plate 32 and the lower plate 20 and the lower guide plate (not shown).

The side friction reducing portion 80 having such a role is mounted on both side surfaces of the upper plate 10 and the lower plate 20 and the inner side surfaces of the upper guide plate 32 and the lower guide plate (not shown) corresponding thereto. DU bush 81 to be included.

The DU bush 81 is a kind of dry bearing made of a sliding layer using Teflon, lead, and special additives after producing a bronze sintered layer on a cold rolled steel sheet (SPCC), for example, and has a low coefficient of friction at completely oilless. It is well known to have high loads and impact loads.

11 is an enlarged side sectional view showing main parts of a sixth embodiment according to the present invention;

As shown in the drawing, the side friction reducing part 80 is mounted on the inner side surfaces of the upper guide plate 32 and the lower guide plate (not shown) corresponding to both side surfaces of the upper plate 10 and the lower plate 20. The second rolling bearing 82 is included.

The second rolling bearing 82 is rotated in contact with both side surfaces of the upper plate 10 and the lower plate 20 while being installed on the inner side of the upper guide plate 32 and the lower guide plate (not shown). The plate 32 and the lower guide plate (not shown) are to be easily slid along both sides of the upper plate 10 and the lower plate 20.

As shown, the second rolling bearing 82 has a structure for mounting a plurality of balls capable of rolling on the inner surface of the upper guide plate 32 and the lower guide plate (not shown), but is not limited thereto. It is also possible to apply a cylindrical, polygonal or spherical member capable of rotating or rolling in various forms.

1 is an exploded perspective view showing a first embodiment of the present invention;

2 is a front sectional view of a first embodiment according to the present invention;

3 is an enlarged side sectional view showing main parts of a first embodiment according to the present invention;

4 is a plan view of a first embodiment according to the present invention;

5 is an exploded perspective view showing a second embodiment of the present invention;

6 is a front sectional view of a second embodiment according to the present invention;

7 is a side sectional view of a second embodiment according to the present invention;

8 is an enlarged side sectional view showing main parts of a third embodiment according to the present invention;

9 is an enlarged side cross-sectional view showing main portion showing a fourth embodiment according to the present invention;

Figure 10 is an enlarged side cross-sectional view showing the main portion showing a fifth embodiment according to the present invention;

11 is an enlarged side sectional view showing main parts of a sixth embodiment according to the present invention;

12 is a side cross-sectional view showing a conventional example,

13 is a plan view showing a conventional example according to FIG.

* Explanation of symbols for the main parts of the drawings

10: top plate

   11: upper locking groove

20: lower plate

   21: lower locking groove

30: upper sliding part

   31: upper body 32: upper guide plate

   33: upper coupling bolt 34: the first secondary reaction force bump

   35: insertion groove

40: lower sliding part

   41: lower body 42: lower guide plate

   43: lower coupling bolt 44: the second secondary reaction force bump

   45: piston

50: elastic rubber plate

60: negative reaction prevention part

   61: upper locking plate 62: lower locking plate

   63: connecting rod 64: coupling bolt

70: upper and lower friction reducing part

   71 metal plate 72 fluorine resin plate

   73: first rolling bearing

80: side friction reducing part

   81: DU bush 82: second rolling bearing

Claims (16)

An upper plate 10 mounted on the lower surface of the base building and the upper structure of the bridge, the upper plate 10 being elongated in the longitudinal direction; A lower plate 20 mounted on an upper surface of the base building and the lower structure of the bridge, the lower plate 20 being elongated in the longitudinal direction in a direction orthogonal to the upper plate 10; An upper sliding part 30 disposed on a lower surface of the upper plate 10 and slidably disposed horizontally along the upper plate 10; A lower sliding part 40 disposed on an upper surface of the lower plate 20 so as to be horizontally slid along the lower plate 20 in a direction orthogonal to the upper plate 10; An elastic rubber plate (50) disposed between the upper sliding portion (30) and the lower sliding portion (40); Clown displacement absorbing sliding support comprising a. According to claim 1, wherein the upper sliding portion 30, An upper body 31 slidably provided on a lower surface of the upper plate 10; An upper guide plate 32 detachably mounted on both sides of the upper body 31 to guide the movement of the upper body 31 by slidably supporting both sides of the upper plate 10; An upper coupling bolt 33 for detachably coupling the upper guide plate 32 to both side ends of the upper body 31, Clown displacement absorbing sliding support comprising a. The method of claim 2, The upper body 31 further includes a first body protrusion 311 formed to protrude horizontally on both sides of the upper body 31 so that the upper coupling bolt 33 is vertically coupled, The upper guide plate 32 is a first protruding horizontally to the lower end of the upper guide plate 32 to correspond to the first body projection 311 so that the upper coupling bolt 33 is vertically coupled Slide guide for absorbing the vast displacement, characterized in that it further comprises a guide protrusion 321. The method of claim 2, The upper sliding portion 30 further includes a first negative reaction force stop 34 formed inward at a lower end of the upper guide plate 32 so as to prevent lifting by the negative reaction force of the upper body 31. and, The upper plate 10, the vast displacement absorbing for further comprising the upper engaging grooves 11 formed on both sides of the upper plate 10 so as to catch the first anti-reaction force barrier (34) Skid. According to claim 1 or 2, wherein the lower sliding portion 40, A lower main body 41 slidably provided on an upper surface of the lower plate 20; Lower guide plates 42 provided on both side surfaces of the lower body 41 to guide the movement of the lower body 41 by slidingly supporting both sides of the lower plate 20, A lower coupling bolt 43 for detachably coupling the lower guide plate 42 to both side ends of the lower body 41; Clown displacement absorbing sliding support comprising a. The method of claim 5, The lower body 41 further includes a second body protrusion 411 formed to protrude horizontally on both sides of the lower body 41 so that the lower coupling bolt 43 is vertically coupled, The lower guide plate 42 is formed to protrude horizontally on the upper end of the lower guide plate 42 in correspondence with the second body protrusion 411 so that the lower coupling bolt 43 is vertically coupled. Slide guide for absorbing vast displacement, characterized in that it further comprises a guide projection (421). The method of claim 5, The lower sliding portion 40 further includes a second secondary reaction force blocking member 44 formed inward at a lower end of the lower guide plate 42 so that the lower main body 41 is prevented from being lifted by the negative reaction force of the lower main body 41. and, The lower plate 20 further includes a lower catching groove 21 formed on both sides of the lower plate 20 so that the second anti-reaction stopper 44 is caught. . The method of claim 5, The upper body 31 further includes an insertion groove 35 formed on the lower surface of the upper body 31 so that the elastic rubber plate 50 is inserted, The lower body 41 further includes a piston 45 formed on the upper surface of the lower body 41 to be inserted into the insertion groove 35 while supporting the lower surface of the elastic rubber plate 50. Clown displacement absorber. The method of claim 5, The anti-reaction force prevention part 60 penetrates through the center of the elastic rubber plate 50 to fix the center of the lower surface of the upper sliding part 30 and the center of the upper surface of the lower sliding part 40 to prevent side reaction force. To; Clown displacement absorbing sliding support further comprises. 10. The method of claim 9, wherein the anti-reaction force unit 60, An upper locking plate 61 rotatably fixed to an inner side of the upper body 31 through a lower surface of the upper body 31; A lower locking plate 62 rotatably fixed to the inner side of the lower body 41 through an upper surface of the lower body 41; A connecting rod 63 penetrating the elastic rubber plate 50 and provided between the lower surface of the upper locking plate 61 and the upper surface of the lower locking plate 62; A plurality of coupling bolts for coupling the upper catching plate 61 and the lower catching plate 62 and the connecting rod 63 through the upper catching plate 61 and the lower catching plate 62 and the connecting rod 63 up and down. Including 64, The upper main body 31 and the lower main body 41, the upper latching plate 61 and the lower catching plate 62, the wide displacement absorbing slide, characterized in that the upper and lower removable, characterized in that each provided up and down support. The method of claim 1, The upper plate 10 is provided between the lower surface of the upper plate 10 and the upper surface of the upper sliding part 30, and between the upper surface of the lower plate 20 and the lower surface of the lower sliding part 40, respectively. And an upper and lower friction reducing part 70 corresponding to the lower plate 20 to reduce friction between the upper sliding part 30 and the lower sliding part 40; Clown displacement absorbing sliding support further comprises. The method of claim 11, wherein the upper and lower friction reducing part 70, A metal plate 71 mounted on a lower surface of the upper plate 10 and an upper surface of the lower plate 20, respectively; The fluorine resin plate 72 mounted on the upper surface of the upper sliding portion 30 and the lower surface of the lower sliding portion 40 so as to slide along the metal plate 71, Clown displacement absorbing sliding support comprising a. The method of claim 11, wherein the upper and lower friction reducing part 70, The first rolling bearings 73 mounted on the upper surface of the upper sliding part 30 and the lower surface of the lower sliding part 40 respectively correspond to the lower surface of the upper plate 10 and the upper surface of the lower plate 20. , Clown displacement absorbing sliding support comprising a. The method of claim 5, It is provided on the inner side of the upper guide plate 32 and the lower guide plate 42, the upper guide plate 32 and the lower guide plate 42 corresponding to both side surfaces of the upper plate 10 and the lower plate 20 Side friction reducing portion (80) for reducing friction of the; Clown displacement absorbing sliding support further comprises. The method of claim 14, wherein the side friction reducing portion 80, DU bush 81 mounted on both side surfaces of the upper plate 10 and the lower plate 20 and the inner side surfaces of the upper guide plate 32 and the lower guide plate 42 corresponding thereto; Clown displacement absorbing sliding support comprising a. The method of claim 14, wherein the side friction reducing portion 80, Second rolling bearings 82 mounted on the inner side surfaces of the upper guide plate 32 and the lower guide plate 42 in correspondence to both side surfaces of the upper plate 10 and the lower plate 20, Clown displacement absorbing sliding support comprising a.

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