Structure for fixing bolt and part for construction of bridge comprising same

Abstract

A bolt fixing structure according to one embodiment disclosed in this document includes an upper plate covering a portion of the upper surface of a metal plate and a side plate connected to the upper plate and extending downward to cover a portion of the side of the metal plate, and comprises an upper structure formed in an inverted L shape and a lower structure that contacts the lower surface of the metal plate and has one end coupled to the end of the side plate, wherein a bolt fixing portion is formed in the upper plate so as to insert and fix the head of a bolt adjacent to the end of the upper plate, and a rectangular slit corresponding to the width of the lower structure is formed in the side plate so as to be adjacent to the end of the side plate, and the upper structure and the lower structure are coupled by inserting one end of the lower structure into the slit formed in the side plate, and a hole may be formed in the lower structure so as to insert the body of a bolt adjacent to the other end of the lower structure.

Description

Technology Field

[0001] The embodiments disclosed in this document relate to a structure for securing a bolt used in a bridge construction component and a bridge construction component including said structure. Background Technology

[0002] Bridge construction components refer to components installed between the superstructures of a bridge or between the superstructures and substructures of a bridge. Bridge construction components may include, for example, expansion joints (e.g., monocell joints, new monocell joints, new finger joints, finger joints, and rail joints), bridge bearings (e.g., elastic bearings, spherical bearings, pot bearings, disc bearings, LRBs (lead rubber bearings), and friction pendulum bearings), and shear keys (e.g., box shear keys and bearing shear keys), and each component may be manufactured in various types as listed above. Bridge construction components can accommodate movement, vibration, and loads generated from the bridge deck, and can also accommodate vibrations generated from the ground. Bridge construction components can perform important functions regarding the safety of the bridge.

[0003] Bridge construction components can typically be made of metal and can be fixed to the superstructure and / or substructure of the bridge by pouring mortar. To be securely fixed by the mortar, the bridge construction components may include one or more anchors, and the anchors may be joined to the metal plate by bolts. The problem to be solved

[0004] Bridge construction components must be able to withstand continuous external vibrations after installation, caused by climatic influences (e.g., wind, rain, and snowfall), traffic of vehicles and pedestrians, river flow, and the generation of seismic waves. If vibrations are applied continuously, the bolts used to secure the anchors may loosen, which could lead to serious safety issues for the bridge.

[0005] Embodiments of the present invention are intended to provide a bridge construction component comprising a structure in which a bolt can be securely fixed even when vibration is applied. means of solving the problem

[0006] A bolt fixing structure according to one embodiment disclosed in this document includes an upper plate covering a portion of the upper surface of a metal plate and a side plate connected to the upper plate and extending downward to cover a portion of the side of the metal plate, and comprises an upper structure formed in an inverted L shape and a lower structure that contacts the lower surface of the metal plate and has one end coupled to the end of the side plate, wherein a bolt fixing portion is formed in the upper plate so as to insert and fix the head of a bolt adjacent to the end of the upper plate, and a rectangular slit corresponding to the width of the lower structure is formed in the side plate so as to be adjacent to the end of the side plate, and the upper structure and the lower structure are coupled by inserting one end of the lower structure into the slit formed in the side plate, and a hole may be formed in the lower structure so as to insert the body of a bolt adjacent to the other end of the lower structure.

[0007] According to one embodiment, one end of the lower structure inserted into the slit and exposed toward the outside of the side plate may be bent upward or downward to join the lower structure and the upper structure.

[0008] According to one embodiment, the bolt fixing part is an opening corresponding to the head shape of the bolt, and the hole may be formed as a circle corresponding to the body shape of the bolt.

[0009] According to one embodiment, the slit may be positioned so that the top of the slit matches the bottom of the metal plate, and the height of the slit may include a gap corresponding to the height of the bolt head.

[0010] According to one embodiment, the upper structure can be separated from the bolt and the lower structure by lifting the upper structure upward and pulling it out sideways so that the bolt can be removed without deformation or damage to the upper structure.

[0011] A bridge construction component including a bolt fixing structure according to one embodiment disclosed in this document comprises a metal plate, an anchor located below the metal plate, a bolt inserted into a hole formed in the metal plate and coupled with the anchor, a top plate covering a portion of the upper surface of the metal plate, and a side plate connected to the top plate and extending downward to cover a portion of the side of the metal plate, and an upper structure formed in an inverted L shape, and a lower structure interposed between the metal plate and the anchor, contacting the lower surface of the metal plate, and having one end coupled to the end of the side plate. A bolt fixing portion is formed in the top plate so as to be adjacent to the end of the top plate and for fixing the bolt head, and a rectangular slit corresponding to the width of the lower structure is formed in the side plate so as to be adjacent to the end of the side plate, and the upper structure and the lower structure are coupled by inserting one end of the lower structure into the slit formed in the side plate, and a hole may be formed in the lower structure so as to be adjacent to the other end of the lower structure for inserting the body of the bolt. Effects of the invention

[0012] According to the embodiments disclosed in this document, by joining the upper structure and the lower structure through a slit formed in the side plate of the upper structure, the fastening and unfastening of the bolt-fastening structure can be easily performed.

[0013] In particular, by forming a slit that includes a gap corresponding to the height of the bolt head in the height direction, the upper structure can be detached from the bolt and the lower structure without deformation or damage to the upper structure.

[0014] In addition, various effects that can be identified directly or indirectly through this document may be provided. Brief explanation of the drawing

[0015] FIG. 1 is a top view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 2 is a drawing of a bridge construction component including a bolt fixing structure according to one embodiment, viewed from below. FIG. 3 is a side view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 4 is a side view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 5 is a top view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 6 is an exploded view from above of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 7 is an exploded view of a bridge construction component including a bolt fixing structure according to one embodiment, viewed from the side. In relation to the description of the drawings, the same or similar reference numerals may be used for identical or similar components. Specific details for implementing the invention

[0016] Hereinafter, some embodiments of the present invention will be described in detail with reference to the exemplary drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood that the invention includes various modifications, equivalents, or substitutions of the embodiments. It should be noted that in assigning reference numerals to the components of each drawing, the same components are given the same reference numeral whenever possible, even if they are shown in different drawings. Furthermore, in describing the embodiments of the present invention, if it is determined that a detailed description of related known components or functions would hinder understanding of the embodiments of the present invention, such detailed description is omitted.

[0018] FIG. 1 is a top view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 2 is a bottom view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 3 is a side view of a bridge construction component including a bolt fixing structure according to one embodiment.

[0019] Referring to FIGS. 1 to 3, a bridge construction component (100) according to one embodiment may be one of various devices used in bridge construction, such as a bridge expansion joint device, a bridge bearing or a bridge bearing device. The bridge construction component (100) may include a metal plate (110), an anchor (120), a bolt (130), and a bolt fixing structure (140).

[0020] The metal plate (110) may be formed in a plate shape. The metal plate (110) may be square or rectangular, or may be formed in various other shapes. The metal plate (110) may be made of steel.

[0021] The anchor (120) can be positioned below the metal plate (110). The anchor (120) can be formed in a column shape and can be made of metal. On the upper surface of the anchor (120), a screw

[0022] The bolt (130) can be inserted into a hole formed in the metal plate (110). The bolt (130) can be combined with an anchor (120) located below the metal plate (110).

[0023] The bolt fixing structure (140) may include an upper structure (141) and a lower structure (142). By combining the upper structure (141) and the lower structure (142), the bolt (130) connected to the anchor (120) can be firmly fixed.

[0024] The upper structure (141) may include a top plate (141a) and a side plate (141b). The top plate (141a) may cover a portion of the upper surface of the metal plate (110). The side plate (141b) may be connected to the top plate (141a) and extend downward, and may cover a portion of the side of the metal plate (110). The upper structure (141) in which the top plate (141a) and the side plate (141b) are connected may be formed in an inverted L shape.

[0025] A bolt fixing part (141c) may be formed on the top plate (141a) so as to be adjacent to the end of the top plate (141a) and into which the head of the bolt (130) is inserted and fixed. For example, the bolt fixing part (141c) may be an opening corresponding to the shape of the head of the bolt (130) as shown in FIGS. 1 to 3, and may be formed in a hexagonal shape.

[0026] A rectangular slit (141d) corresponding to the width of the lower structure (142) may be formed in the side plate (141b) so as to be adjacent to the end of the side plate (141b). The slit (141d) may be positioned so that the top of the slit (141d) aligns with the bottom of the metal plate (110). When the upper structure (141) is joined with the bolt (130), the slit (141d) may be positioned below the metal plate (110) and open. The height of the slit (141d) may be formed to include a gap corresponding to the head height of the bolt (130) when the lower structure (142) is inserted into the slit (141d). That is, the height of the slit (141d) may be the sum of the thickness of the lower structure (142) and the head height of the bolt (130). Since a gap is formed in the slit (141d), the upper structure (141) can move upward by the height of the head of the bolt (130) after being combined with the lower structure (142).

[0027] The lower structure (142) may be interposed between the metal plate (110) and the anchor (120) and may come into contact with the lower surface of the metal plate (110). The lower structure (142) may be formed in a plate shape. One end of the lower structure (142) may be joined to the end of the side plate (141b). The upper structure (141) and the lower structure (142) may be joined by inserting one end of the lower structure (142) into a slit (141d) formed in the side plate (141b).

[0028] A hole into which the body of a bolt (130) is inserted may be formed in the lower structure (142) so as to be adjacent to the other end of the lower structure (142). The hole may be formed in a circular shape corresponding to the shape of the body of the bolt (130).

[0029] According to one embodiment, one end of the lower structure (142) inserted into the slit (141d) and exposed toward the outside of the side plate (141b) may be bent upward or downward for joining the lower structure (142) and the upper structure (141). For example, one end of the lower structure (142) may be bent downward as shown in FIGS. 1 to 3. Since one end of the lower structure (142) is bent, the upper structure (141) and the lower structure (142) may not easily separate from each other without a separate fastening member.

[0030] According to one embodiment, the upper structure (141) can be separated from the bolt (130) and the lower structure (142) by lifting the upper structure (141) upward and then pulling it out sideways so that the bolt (130) can be disassembled without deformation or damage to the upper structure (141). Since a gap is formed in the slit (141d) equal to the height of the head of the bolt (130), the upper structure (141) can be lifted above the head of the bolt (130). This allows the upper structure (141) to be pulled out sideways and separated from the bolt (130) and the lower structure (142). Considering the height of the gap included in the slit (141d), the weight of the upper structure (141), and the shape of the bolt fixing part (141c), it is probabilistically impossible for the upper structure (141) to be separated from the bolt (130) and the lower structure (142) by vibration, and the upper structure (141) can be withdrawn from the bolt (130) and the lower structure (142) only when the user intends to separate it.

[0031] Typically, since it is difficult to disassemble a bolt-fixed structure for repair or replacement after the bolt has been fixed, it is necessary to cut or deform the bolt-fixed structure to separate it. However, cutting or deforming a bolt-fixed structure made of steel may require a significant amount of effort from the worker. Additionally, while separate parts could be introduced for separation, this could significantly increase the unit cost and present the problem that there is a high possibility of detachment from the bolt due to vibration. The bolt-fixed structure (140) according to one embodiment can firmly fix the bolt (130) without increasing the unit cost, and at the same time, the worker can conveniently detach it from the bolt (130) to disassemble the bolt if desired.

[0033] FIG. 4 is a side view of a bridge construction component including a bolt fixing structure according to one embodiment.

[0034] Referring to FIG. 4, a bridge construction component (400) according to one embodiment may be one of various devices used in bridge construction, such as a bridge expansion joint device, a bridge bearing, or a bridge bearing device. The bridge construction component (400) may include a metal plate (110), an anchor (120), a bolt (130), and a bolt fixing structure (440). The bolt fixing structure (440) may include an upper structure (141) and a lower structure (442). For convenience of explanation, redundant descriptions of the remaining components, excluding the lower structure (442), are omitted.

[0035] According to one embodiment, one end of the lower structure (442), which is inserted into the slit (141d) and exposed toward the outside of the side plate (141b), can be bent upward to join the lower structure (442) and the upper structure (141). Since the lower structure (442) is bent upward, when the upper structure (141) is lifted over the head of the bolt, the upper structure (141) can be more easily pulled out laterally, and if not, the lower structure (442) and the upper structure (141) can be sufficiently prevented from separating from each other. The length of the bent section of the lower structure (442) for pulling out the upper structure (141) may be shorter than the height of the slit (141b).

[0037] FIG. 5 is a top view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 6 is an exploded top view of a bridge construction component including a bolt fixing structure according to one embodiment. FIG. 7 is an exploded side view of a bridge construction component including a bolt fixing structure according to one embodiment.

[0038] Referring to FIGS. 5 to 7, a bridge construction component (500) according to one embodiment may be one of various devices used in bridge construction, such as a bridge finger joint. The bridge construction component (500) may include a finger plate (510), a plurality of anchors (520), a plurality of bolts (530), a bolt fixing structure (540), an angle (550), a waterproof seal (560), and a fastening member (570). Although only the left portion of the bridge construction component (500) is shown in FIGS. 1 to 3, the bridge construction component (500) may include a right portion corresponding to the left portion shown in FIGS. 5 to 7.

[0039] When installed on a bridge, the finger plate (510) may be exposed between the bridge deck plates and may be positioned parallel to the bridge deck plates. The finger plate (510) may include a finger body and a plurality of fingers. The finger body may be formed in a rod shape. Each of the plurality of fingers may extend from the inner end of the finger body. The finger plate (510) may be made of a metal material. Vehicles and pedestrians may pass over the finger plate (510), and the wheels of the vehicle may come into contact with the finger plate (510).

[0040] A step lower than the inner end of the finger plate (510) may be formed at the outer end of the finger plate (510). For example, a step area may be formed at the outer end of the finger body so that the top plate (541a) can be inserted in a shape corresponding to the top plate (541a) of the bolt fixing structure (540).

[0041] A plurality of upper holes into which each of a plurality of bolts (530) is inserted may be formed in the finger body of the finger plate (510). The plurality of upper holes may be formed in a stepped area. The plurality of upper holes may be arranged in a line along the length direction of the finger body at uniform intervals.

[0042] The angle (550) may be positioned adjacent to the lower surface of the finger plate (510). The angle (550) may be formed in a plate shape and may have an inverted L shape when viewed from the end of the bridge finger joint. A plurality of lower holes may be formed in the angle (550). Each of the plurality of lower holes may be formed at a position corresponding to each of the plurality of upper holes formed in the finger body. A plurality of bolts (530) that penetrate the plurality of upper holes may be inserted into the plurality of lower holes. The plurality of lower holes may be arranged in a line along the length direction of the angle (550) at uniform intervals.

[0043] Multiple anchors (520) may be placed below the lower surface of the angle (550). Each of the multiple anchors (520) may be placed at a position corresponding to each of the multiple upper holes and each of the multiple lower holes. When installed on a bridge, the multiple anchors (520) may be embedded in concrete and fixed to the bridge.

[0044] Each of the multiple bolts (530) can be coupled to each of the multiple anchors (520). Each of the multiple bolts (530) can be screw-coupled to each of the multiple anchors (520) by passing through one of the multiple upper holes and one of the multiple lower holes.

[0045] The bolt fixing structure (540) may include an upper structure (541) and a plurality of lower structures (542). A plurality of bolts (530) connected to a plurality of anchors (520) can be firmly fixed by the combination of the upper structure (541) and the plurality of lower structures (542).

[0046] The upper structure (541) may include a top plate (541a) and a side plate (541b). The top plate (541a) may cover a portion of the upper surface of the finger plate (510), for example, an area where a step is formed at the outer end of the finger plate (510). The side plate (541b) may be connected to the top plate (541a) and extend downward, and may cover the side of the finger plate (510). The upper structure (541) in which the top plate (541a) and the side plate (541b) are connected may be formed in an inverted L shape when viewed in the longitudinal direction.

[0047] A plurality of bolt fixing parts (541c) may be formed in the top plate (541a) such that the heads of each of the plurality of bolts (530) are inserted and fixed adjacent to the end of the top plate (541a). For example, each of the plurality of bolt fixing parts (541c) may be an opening corresponding to the head shape of the bolt (530) as shown in FIGS. 5 to 7, and may be formed in a hexagonal shape.

[0048] In the side plate (541b), a plurality of rectangular slits (541d) corresponding to the width of each of the plurality of lower structures (542) may be formed adjacent to the end of the side plate (541b). Each of the plurality of slits (541d) may be positioned so that the top of each slit (541d) aligns with the bottom of the finger plate (510). When the upper structure (541) is joined with the bolt (530), the plurality of slits (541d) may be positioned below the finger plate (510) and open. The height of each of the plurality of slits (541d) may be formed to include a gap corresponding to the head height of the plurality of bolts (530) when each of the plurality of lower structures (542) is inserted.

[0049] A plurality of lower structures (542) may be interposed between the angle (550) and a plurality of anchors (520) and may come into contact with the lower surface of the angle (550). A plurality of lower structures (542) may be positioned at a location corresponding to each of the plurality of openings formed in the angle (550). A plurality of lower structures (542) may be formed in a plate shape. One end of each of the plurality of lower structures (542) may be joined to the end of the side plate (541b). An upper structure (541) and a plurality of lower structures (542) may be joined by inserting one end of each of the plurality of lower structures (542) into a plurality of slits (541d).

[0050] In each of the plurality of substructures (542), a hole may be formed into which the body of each of the plurality of bolts (530) is inserted so as to be adjacent to the other end of each of the plurality of substructures (542). The hole may be formed in a circular shape corresponding to the body shape of the bolt (530).

[0051] The bolt fixing structure (540) illustrated in FIGS. 5 to 7 may further include features similar to the bolt fixing structure (140, 440) described with reference to FIGS. 1 to 4.

[0052] The waterproof seal (560) may be made of rubber. The waterproof seal (560) may be made of rubber, for example. The waterproof seal (560) may be arranged in a U-shape and can prevent rainwater entering between the finger plates (510) from flowing under the finger plates (510).

[0053] The fastening member (570) can be used to combine the angle (550) and the waterproof seal (560). The fastening member (570) can be one of various fastening parts, such as, for example, bolts and nuts or rivets.

[0055] The foregoing description is merely an illustrative explanation of the technical concept of the present invention, and those skilled in the art to which the present invention pertains will be able to make various modifications and variations within the scope of the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are intended to explain, not limit, the technical concept of the present invention, and the scope of the technical concept of the present invention is not limited by such embodiments. The scope of protection of the present invention shall be interpreted by the claims below, and all technical concepts within an equivalent scope shall be interpreted as being included within the scope of rights of the present invention.

Claims

Claim 1 In a bolt fixing structure, an upper structure formed in an inverted L shape, comprising an upper plate covering a portion of the upper surface of a metal plate and a side plate connected to the upper plate and extending downward to cover a portion of the side of the metal plate; A bolt fixing structure comprising a lower structure that contacts the lower surface of the metal plate and has one end coupled to the end of the side plate, wherein the upper plate has a bolt fixing portion formed therein in which the head of a bolt is inserted and fixed adjacent to the end of the upper plate, wherein the side plate has a rectangular slit corresponding to the width of the lower structure formed adjacent to the end of the side plate, wherein the upper structure and the lower structure are coupled by inserting one end of the lower structure into the slit formed in the side plate, wherein the lower structure has a hole formed therein in which the body of the bolt is inserted adjacent to the other end of the lower structure, wherein the one end of the lower structure inserted into the slit and exposed toward the outside of the side plate is bent upward or downward for coupling the lower structure and the upper structure, wherein the slit is positioned such that the upper end of the slit coincides with the lower end of the metal plate, and the height of the slit includes a gap corresponding to the height of the head of the bolt. Claim 2 delete Claim 3 A bolt fixing structure according to claim 1, wherein the bolt fixing part is an opening corresponding to the head shape of the bolt, and the hole is formed as a circle corresponding to the body shape of the bolt. Claim 4 delete Claim 5 A bolt fixing structure according to claim 1, characterized in that the upper structure is separated from the bolt and the lower structure by lifting the upper structure upward and pulling it out sideways so that the bolt can be disassembled without deformation or damage to the upper structure. Claim 6 A bridge construction component comprising a bolt fixing structure, the component comprising: a metal plate; an anchor located below the metal plate; a bolt inserted into a hole formed in the metal plate and coupled with the anchor; and an upper structure formed in an inverted L shape, comprising a top plate covering a portion of the upper surface of the metal plate and a side plate connected to the top plate and extending downward to cover a portion of the side of the metal plate. A bridge construction component comprising: a lower structure interposed between the metal plate and the anchor, in contact with the lower surface of the metal plate, and having one end coupled to the end of the side plate; a bolt fixing portion formed on the upper plate such that the head of the bolt is inserted and fixed adjacent to the end of the upper plate; a rectangular slit corresponding to the width of the lower structure is formed on the side plate such that it is adjacent to the end of the side plate; the upper structure and the lower structure are coupled by inserting one end of the lower structure into the slit formed on the side plate; a hole formed on the lower structure such that the body of the bolt is inserted adjacent to the other end of the lower structure; one end of the lower structure inserted into the slit and exposed toward the outside of the side plate is bent upward or downward for coupling the lower structure and the upper structure; the slit is positioned such that the upper end of the slit coincides with the lower end of the metal plate, and the height of the slit includes a gap corresponding to the height of the head of the bolt.

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