JP3045967U - Connecting structure of lining plate - Google Patents

Abstract

(57) [Problem] To provide a connecting structure of lining plates that can connect adjacent lining plates by a simple method and prevent generation of contact sound. SOLUTION: A through hole is formed at an appropriate position on a side surface of a lining plate, and an opening is formed in a surface of the lining plate in the vicinity of the through hole. After connecting the connecting bolt to the through hole and tightening it with a nut, the opening is covered with a cap. The cap body includes a first cap member and a second cap member, of which the first cap member is formed by a plate having a U-shaped cross section, and a long hole is formed in a side surface. Then, the elongated holes can be locked to the connecting bolts to prevent them from coming off. On the other hand, the second cap member is
A flexible member is fixed to the back surface side of the narrow portion, and it is possible to prevent the flexible member from falling off by inserting the flexible member into the opening, so that the entire opening can be covered with the cap body, In addition, the cap body can be prevented from falling off.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a lining plate used when installing a temporary bridge or the like, for example, and relates to a connecting structure of lining plates for firmly fixing and connecting a plurality of lining plates.

[0002]

[Prior art]

 For example, in the construction of temporary bridges and subways, a plurality of rectangular metal plates called lining plates are arranged to secure a passage for vehicles and people. Such a lining plate is usually constructed by laying a plurality of lining girders at the same interval as the lining plate on a foundation pile that serves as a pillar, and passing both ends of the lining girder so as to pass between the lining girder. Are laid all over the building, making it a path for vehicles and people.

FIG. 9 is an explanatory view showing a state of laying a lining plate in the related art. FIG. 9 (a) is called a drop-in method and FIG. 9 (b) is called a fastening method. As shown in FIG. 2A, in the drop-in method, a slip stopper 102 made of an angle material or the like is fixed to the back surface near the end of the lining plate 101 by welding. By placing the lining plate 101 against the lining girder 103 formed of a mold steel material, the plurality of lining plates 101 can be laid out neatly. Further, even if a force acts in the lateral direction, there is no lateral displacement due to the slip preventing member 102. However, in this dropping method, since the adjacent lining plates 101 are not fixed to each other, when an impact due to the traffic of a vehicle or the like is received, the lining plates 101 contact each other or the lining plate 101 and the lining girder. Contact noise is generated by the contact with 103, and becomes a source of noise.

Therefore, recently, a fastening system as shown in FIG. 9B is generally used. As shown in the figure, in this fastening method, a through hole is formed in the upper flange surface of the lining girder 103 made of an H-shaped steel material, while the through hole is similarly formed in the lower surface of the lining plate 101. Using a notch 104 formed on the side surface of the lining plate 101, a bolt 105 is inserted so as to communicate with each through hole, and the bolt 105 is tightened and fixed with a nut 106. According to such a configuration, since the lining plate 101 is firmly fixed to the lining girder 103, it is possible to prevent fluttering due to vibration or the like.

[0005]

[Problems to be solved by the invention]

 However, in the above-mentioned fastening method, although the lining plate 101 and the lining girder 103 are firmly fixed, since the adjacent lining plates 101 are not connected to each other, it is possible to prevent a contact sound at this portion. There was a disadvantage that it could not be done. For this reason, there was a problem that noise was generated due to traffic of the vehicle. Furthermore, in the above-described fastening method, when fixing the lining plate 101 to the lining girder 103, the operator must perform an operation of tightening the bolts 105 from the lower side of the lining plate, which is troublesome. There was a drawback that it was dangerous because it required work at heights rather than just at the height.

[0006] The present invention has been made to solve such a conventional problem, and an object thereof is to firmly connect adjacent lining plates by a simple method and to connect the lining plates to each other. An object of the present invention is to provide a connection structure of a lining plate capable of preventing generation of noise due to contact of a lining.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 of the present application is to lay a plurality of lining plates so as to pass between lining girders laid in parallel and to connect lining plates adjacent to each other. In a connection structure of a lining plate that is connected and fixed firmly, a through hole is formed at an appropriate position on a side surface of the lining plate, and an opening is formed in a surface of the lining plate near the through hole, and the inside of the opening is formed. As a working space, a connection bolt is communicated with the through hole and the through hole of the adjacent lining plate, and the nut is fastened and fixed with a nut. Then, the opening is covered with a cap body. The invention according to claim 2 is characterized in that a rib for reinforcing the periphery of the opening is disposed.

According to a third aspect of the present invention, the cap body includes a first cap member and a second cap member, and the first cap member has a width approximately half the width of the opening. The second cap member is formed by a flat plate member having a U-shaped cross section, and at least one side surface is formed with an elongated hole which is engaged with the tip end of the connection bolt to prevent upward movement. A flexible member formed of a flat plate member having a U-shaped cross section having a width approximately half that of the opening, and having a length slightly longer than the vertical width of the second cap member on the back surface of the upper surface. After the member is fixed and the long hole of the first cap member is locked to the tip of the connection bolt, the second cap member is inserted and engaged with the flexible member to cover the entire opening. It is characterized in that it is installed.

According to a fourth aspect of the present invention, the cap body has a U-shaped cross section composed of an upper surface and two side surfaces, and is substantially perpendicular to the upper surface from a substantially central portion of the upper surface. A long bolt having a male screw threaded at the tip end thereof, a stopper member screwed and engaged with the tip end of the long bolt, A flexible member that is slightly longer than the vertical width of the cap portion. Further, the bottom surface of the lining plate where the opening is formed is engaged with the stopper member to form the cap body. An engaging portion for preventing falling off is formed, and after the flexible member of the cap body is inserted into the opening and covered, the stopper member at the tip of the long bolt is engaged with the engaging portion to form the long bolt. To secure the cap body to the lining plate by tightening Sign.

According to the present invention configured as described above, the openings formed at the four corners of the lining plate can be used as working spaces, and the adjacent lining plates can be fastened and fixed with bolts and nuts. The lining plates can be easily and firmly fixed to each other. This makes it possible to prevent the generation of noise due to the contact between the lining plates even when vibration or impact is applied. According to the invention of claim 2, since the ribs are arranged around the opening, it is possible to reinforce the periphery of the opening, thereby sufficiently withstanding the load applied by the traffic of the vehicle or the like. Will be able to

[0011] In the cap body according to the third aspect, first, the first cap member is inserted into the opening, the long hole is locked with the connecting bolt, and then the second cap member is connected. Then insert the flexible member inside the opening and fix it. Accordingly, the second cap member does not fall out of the opening, and the first cap member does not shift in the lateral direction due to the presence of the second cap member. As a result, it does not fall out of the opening. Thereby, the cap body can be firmly fixed.

[0012] In the cap body according to the fourth aspect, after connecting the adjacent lining plates with the connecting bolts, the cap body is inserted into the opening, and the flexible member is inserted inside the opening and fixed. I do. In addition, since the strength is weak only by fixing with the flexible member and there is a risk of falling off, the stopper member screwed to the tip of the long bolt is engaged with the engaging portion formed on the bottom surface of the lining plate. By tightening the long bolt in this state, the stopper member and the engaging portion are tightened and fixed, so that the lining plate and the cap body are firmly fixed.

[0013]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing a state in which the connecting structure of the lining plate according to the present invention is actually applied to connect the lining plate, FIG. 2A is a plan view of the lining plate, FIG. (C) has shown the same longitudinal cross-sectional view, respectively. As shown in the figures, the lining plate 1 is formed by connecting a plurality of H-shaped steel members to form a rectangular parallelepiped as a whole, for example, 2 m long, 1 m wide, and 200 mm high. At four corners of the surface (upper surface) 1a, through holes 2 for suspension used for suspension by a heavy machine such as a crane are formed, and as shown in FIG. 2 (c). On the lower surface of the lining plate 1, a displacement preventing member 8 for preventing displacement when placed on a lining girder (not shown) is fixed by welding. Further, a rectangular opening 3 is cut off slightly inside the through hole 2, and a connecting through hole 4 for inserting a bolt is formed in a side surface 1 b near the opening 3. . The size of the opening 3 is preferably such that an operator can easily put his hand and tighten the bolt, for example, 150 mm × 85 mm. As shown in FIG. 1, a reinforcing rib 5 is fixed by welding in order to reinforce the reduction in strength due to the formation of the opening 3, and the reinforcing rib 5 is provided with a cap body 9 described later. The cross section has a crank shape in consideration of the engagement of the flexible member 14 used for fixing.

As shown in FIGS. 1 and 3, the inside of the opening 3 of the one lining plate 1-2 is used as a working space, and the connecting bolt 6 is inserted into the connecting through hole 4 from the inside of the side surface 1b. It is inserted and communicates with the connecting hole 4 of the adjacent lining plate 1-3. Then, the nut 7 is screwed into the connection bolt 6 from the opening 3 on the side of the lining plate 1-3 and tightened, so that the adjacent lining plates 1-2 and 1-3 are firmly fixed. can do.

Next, the configuration of the cap body for covering the opening 3 after the connection work of the lining plate 1 is completed will be described. FIG. 4 is a perspective view showing the configuration of the cap body according to the first embodiment of the present invention. As shown in FIG. 4, the cap body 9 includes a first cap member 10 and a second cap member. And a member 11.

The first cap member 10 has a shape in which a flat metal plate is bent into a narrow U-shape in cross section, and the first cap member 10 is applied to a bent portion from a central portion of at least one side surface. A long hole 12 is formed. On the other hand, the second cap member 11 similarly has a shape obtained by bending a metal plate into a narrow U-shaped cross section, and the narrow portion 11a (upper surface portion) is provided on the back side of the narrow portion 11a. The flexible member 14 formed slightly longer than the longitudinal direction is fixed. Further, through holes 13 for inserting a so-called Sino (metal rod) at the time of removal are formed at both ends of the narrow portion 11a.

When such a cap body 9 is covered by the opening 3 of the lining plate 1, first, as shown in FIGS. Is dropped into the inside of the opening 3 and moved laterally so that the tip of the connecting bolt 6 is engaged with the elongated hole 12. As a result, approximately half the space of the opening 3 is covered by the first cap member 10. Thereafter, the second cap member 11 is inserted into the remaining portion of the opening 3, and the flexible member 14 is inserted into the back side of the surface of the lining plate 1 to prevent the opening. As a result, the entire opening 3 is covered by the cap body 9 (the first cap member 10 and the second cap member 11), and the first cap member 10 is The second cap member 11 is prevented from coming off by the engagement of the connecting bolt 6 with the second cap member 11 and the second cap member 11 is prevented from coming off by the flexible member 14. Is done. On the other hand, when disassembling the connected lining plate 1, a “shino” can be inserted into the through hole 13 formed in the second cap member 11, and can be easily removed by the principle of leverage.

As described above, according to the connecting structure of the lining plates in the present embodiment, the lining plates 1 adjacent to each other are firmly fixed to each other by the connecting bolts 6 and the nuts 7. Even when vibrations or shocks are applied to the plates 1, no contact noise is generated between the lining plates 1, and the generation of noise can be prevented. In addition, since the connection bolts can be tightened using the opening 3 as a working space, the work can be performed from the upper side of the lining plate 1 and workability is good. Further, since the opening 3 is covered with the cap body 9 and the cap body 9 is prevented from dropping out of the opening 3, the cap body 9 is safe from coming off due to vibration or impact. Further, the periphery of the opening 3 is reinforced by the reinforcing ribs 5 and the two cap members 10 and 11 are inserted into the inside of the opening 3, so that it can sufficiently withstand the load of a vehicle or the like. Can be.

Next, the connection structure of the lining plate according to the second embodiment of the present invention will be described. FIG. 6 is an explanatory view showing a state in which the opening 3 is covered by the cap body 15 after the lining plate 1 is connected. FIG. 6 is substantially the same as FIG. The shape and the shape of the rib 22 for reinforcing the periphery of the opening 3 are different. That is, as will be described later, in the cap body 15 of the present embodiment, the flexible member 17 for locking the cap body 15 is located substantially at the center, and accordingly, the rib 22 is formed in a concave shape corresponding to this. I have.

FIGS. 7A and 7B are explanatory views showing the configuration of the cap body 15. FIG. 7A is a perspective view, and FIG. 7B is a partially broken perspective view. As shown in FIG. 2A, the cap body 15 has a shape obtained by bending a metal flat plate into a U-shaped cross section, and has cutouts 16 formed in two side surfaces 15b. . A flexible member 17 slightly longer than the longitudinal direction of the narrow portion 15a is fixed to the back side of the narrow portion 15a. It is designed to prevent slipping out by inserting it into

As shown in FIG. 7B, a flat bolt 18 (long bolt) is inserted through the center of the narrow portion 15 a, and a flat plate-shaped The plate 19 (stopper member) is screwed. Further, on the bottom surface of the lining plate 1 at the position where the cap body 15 is attached, an engaging portion 20 is formed in which two angle members 23a and 23b having an L-shaped cross section are fixed in opposite directions by welding. As shown in FIG. 7, a plate 21 acting as a stopper is fixed to one end of each of the angle members 23a and 23b by welding.

Next, the operation of the present embodiment configured as described above will be described. In FIG. 6, the procedure for connecting the adjacent lining plates 1-2 and 1-3 is the same as that in the first embodiment, and the procedure after connecting the lining plate 1 will be described. First, the cap body 15 is inserted into the opening 3 of the lining plate 1 so that the notch 16 formed in the cap body 15 passes through the connecting bolt 6, and the flexible member 17 is bent to open the opening. Push in the back of 3 and fix it.

Next, as shown in FIG. 8, the longitudinal direction of the plate 19 screwed to the tip of the countersunk bolt 18 is adjusted so as to coincide with the longitudinal direction between the two angle members 23a and 23b. Rotate and tighten the countersunk bolt 18. As a result, the plate 19 is inserted into the inside of the angle members 23a and 23b. When the plate 19 is further rotated, the plate 19 comes into contact with the plate 21 fixed to the ends of the angle members 23a and 23b, and the rotation is prevented. Therefore, when the rotation of the countersunk bolt 18 is continued, the plate 19 and the angle members 23a and 23b are gradually tightened, and as a result, the cap body 15 is firmly fixed to the lining plate 1. Thus, the cap body 15 is prevented from falling off.

In this manner, in the second embodiment of the present invention, the adjacent lining plates can be firmly fixed in the same manner as in the first embodiment, so that the contact between the lining plates can be achieved. This can prevent noise generated. In addition, in the cap body 15 according to the second embodiment, the opening 3 can be covered, and the cap body 15 is firmly fixed by the flexible member 17 and the countersunk bolt 18, so that the cap body 15 falls off due to vibration of the vehicle or the like. Is safe.

[0025]

[Effect of the invention]

 As described above, according to the invention of claim 1 of the present application, since the adjacent lining plates are firmly fixed by the connecting bolts and nuts, the noise caused by the contact between the lining plates. Can be prevented from occurring. Further, according to the invention of claim 2, since the periphery of the opening is reinforced by the rib, the strength of this portion can be maintained.

According to the third aspect of the present invention, by inserting the first cap member and the second cap member into the opening, the opening can be reliably covered. Since the second cap member is fixed to the opening by the flexible member, and the first cap member has the long hole locked by the connecting bolt, the cap body is opened even when vibration or impact is added. It does not fall out of the department and is safe. Similarly, in the invention described in claim 4, the cap member is fixed by inserting the flexible member into the opening, and further, the stopper member is fixed to the locking portion. Therefore, the cap body is safe without falling off from the opening.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a connection structure of a lining plate according to a first embodiment of the present invention.

2A is a plan view, FIG. 2B is a cross-sectional view, and FIG. 2C is a vertical cross-sectional view showing a configuration of a lining plate to which the connection structure of the present invention is applied.

FIG. 3 is an explanatory view schematically showing a state in which two lining plates are connected.

FIG. 4 is a perspective view showing a configuration of the cap body according to the first embodiment of the present invention.

5A and 5B are explanatory views showing a state in which a cap body is inserted, wherein FIG. 5A is a plan view, FIG. 5B is a cross-sectional view along AA, and FIG. 5C is a cross-sectional view along BB.

FIG. 6 is a configuration diagram of a connection structure of a lining plate according to a second embodiment of the present invention.

FIGS. 7A and 7B are explanatory views showing a configuration of a cap according to a second embodiment, wherein FIG. 7A is a perspective view, and FIG.

FIG. 8 is an explanatory view showing a state in which a countersunk bolt is locked to a locking portion.

FIG. 9 is an explanatory view showing a conventional connection structure of a lining plate.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 lining plate 1 a surface 1 b side surface 2 hanging through hole 3 opening 4 connecting through hole 5 reinforcing rib 6 connecting bolt 7 nut 8 shear stopper 9, 15 cap body 10 first cap member 11 second 11a narrow portion (upper surface portion) 12 long hole 13 through hole 14, 17 flexible member 16 notch 18 flathead bolt (long bolt) 19 plate (stopper member) 20 engagement portion 21 plate 22 rib 23a, 23b Angle lumber

Claims (4)

[Utility model registration claims] 1. A connection of lining plates for laying a plurality of lining plates so as to pass between lining girders laid in parallel and connecting adjacent lining plates to each other and firmly fixing them. In the structure, a through-hole is formed at an appropriate position on a side surface of the lining plate, and an opening is formed in a surface of the lining plate near the through-hole. A connecting structure for a lining plate, wherein a connecting bolt is communicated with a through hole of the plate, the nut is fastened and fixed with a nut, and the opening is covered with a cap body. 2. The connecting structure for a lining plate according to claim 1, wherein a rib for reinforcing the periphery of the opening is arranged. 3. The cap body includes a first cap member and a second cap member. The first cap member is a flat plate member having a U-shaped cross section having a width approximately half the width of the opening. A long hole is formed on at least one side surface to engage the tip end of the connecting bolt and prevent upward movement, and the second cap member is substantially half of the opening. A flexible member, which is configured by a flat plate member having a U-shaped cross section having a horizontal width and slightly longer than a vertical width of the second cap member, is fixed to a rear surface side of the upper surface portion. 2. The locking device according to claim 1, wherein after the long hole of the cap member is locked to the tip of the connection bolt, the second cap member is inserted and engaged with a flexible member to cover the entire opening. The connecting structure of the described lining plate. 4. A cap body having a U-shaped cross section comprising an upper surface and two side surfaces, and a cap penetrating from a substantially central portion of the upper surface so as to be orthogonal to the upper surface. A long bolt in which a male screw is screwed, a stopper member which is screwed and engaged with a tip end of the long bolt, and is fixed to the back side of the upper surface, and is slightly longer than the vertical width of the upper surface. And a flexible member that is configured, and further, on the bottom surface of the lining plate where the opening is formed,
An engaging portion that engages with the stopper member to prevent the cap body from falling off is formed. After the flexible member of the cap body is inserted into the opening and covered, the stopper member at the tip of the long bolt is removed. 2. The cap body is fixed to a lining plate by engaging with the engaging portion and tightening a long bolt.
The connecting structure of the described lining plate.