JP5309050B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device for covering a joint portion between left and right floor frames having side walls provided via joint portions.

Conventionally, when the left and right floor frames are swayed by earthquakes in different longitudinal directions, there is a drawback that a triangular gap is generated between the end floor joint plate and the side wall of the floor frame, which is dangerous.
In order to eliminate this drawback, the auxiliary floor plate storage recess is formed in the end floor joint plate, and the auxiliary floor that slides to cover the gap generated when the end floor joint plate moves in the auxiliary floor plate storage recess. It is contemplated to provide a plate.

  When such an auxiliary floor plate is provided on the end floor joint plate, even if the left and right floor frames are shaken by earthquakes in different front and rear directions, it can be prevented that a triangular gap occurs and becomes dangerous, Since the auxiliary floor plate storage recess is formed in the end floor joint plate and the auxiliary floor plate is provided inside, the strength of the end floor joint plate is less than that of the center floor joint plate, and There is a drawback that the structure of the partial floor joint plate is complicated and the cost is increased.

  In addition, when uneven settlement occurs in the left and right floor frames, there is a disadvantage that a step is generated between the floor surface of the left and right floor frames and the end floor joint plate and the center floor plate. It was.

JP2004-346502

  In view of the conventional drawbacks as described above, the present invention reliably prevents the formation of a triangular gap even when the left and right floor frames are swung in different longitudinal directions in an earthquake, and can be used safely. It can be manufactured easily and inexpensively so that the strength of the end floor joint plate is the same as that of the center floor joint plate, and even if the left and right floor frames sink unevenly, a step is generated. It is an object of the present invention to provide a floor joint device that can efficiently prevent the above.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

In order to achieve the above-mentioned object, the present invention provides a joint plate supporting recess provided with guide rails on both sides, formed on the joint body side floor housing having one side wall of the left and right floor housings provided via the joint portion. And a joint plate slide support recess formed on the inclined surface of the floor surface or the anti-joint portion side of the joint body side floor housing having the other side wall of the left and right floor housings, and the guide rails on the both side guide rails A carriage that is mounted so that it can be moved along, and a rear end portion having a leg portion is supported by the carriage, and a tip portion having the leg portion is slid to the floor surface of the other floor frame or the joint plate slide support recess. A front end portion having leg portions, which are supported by the joint plate supporting recesses, and a rear end portion having leg portions covering between the floor joint plates on both side portions and the floor joint plates on both side portions which are supported by each other. Two or more central floor joint plates slidably supported on the floor surface or joint plate slide support recess of the other floor frame, both sides of the two or more central floor joint plates, and floor joints on both sides A squeezing means for squeezing the floor joint plates on both sides into the lower part of the two or more central floor joint plates when the left and right floor slabs are swung in different front-rear directions. The rear end portion is pivotally supported by the outer end portions of the guide rails on both sides, and the front end portion enters into the legs of the floor joint plates on the both side portions. This occurs when the floor joint plates on both side portions move in the front-rear direction. Auxiliary floor joint plates on both sides that can cover the gap and are slidably supported by the joint plate slide support recesses, and the front ends of the auxiliary floor joint plates on both sides In floor joint device that includes a biasing device for urging so as to contact the side walls of always the other floor skeleton, upper side of the side wall of the central floor joint plate and in contact with portions of the floor joint plate of the side portions A floor joint device is configured by attaching a plurality of rollers for smoothly slipping into the lower part of the central floor joint plate at the part .

As is clear from the above description, the present invention has the following effects.
(1) According to claim 1, the auxiliary floor joint plate and the biasing device on both sides prevent the formation of a triangular gap in the joint even if the left and right floor frames are swung in different longitudinal directions due to the earthquake. Can do.
Therefore, it can be used safely.
(2) Since the leg portions are formed at the rear end portion and the front end portion of the floor joint plates on both sides according to (1), the auxiliary floor joint plates on both sides can be accommodated between the leg portions.
Accordingly, it is possible to reliably prevent the strength due to the floor joint plates on both sides forming the storage portions for the auxiliary floor joint plates on both sides.
(3) According to (1) above, since the floor joint plates on both sides with legs formed at the front and rear ends and two or more central joint plates are used, the left and right floor frames are When sunk unevenly, the bottom surfaces of the floor joint plates on both sides and the two or more central floor joint plates are efficiently prevented from colliding with the joint side end portions of the joint plate slide support recesses, resulting in steps. Can be effectively prevented.
(4) According to the above (1), when the center floor joint plate at the part in contact with the floor joint plates on both sides is swung in different front and rear directions due to the earthquake by the plurality of rollers, The floor joint plates on both sides can be pushed into the lower part of the central floor joint plate.

The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. The front view of the joint plate support recessed part of the 1st form for implementing this invention. The top view of the joint plate support recessed part of the 1st form for implementing this invention. The top view of the joint plate slide support recessed part of the 1st form for implementing this invention. Explanatory drawing of the trolley | bogie of the 1st form for implementing this invention. Explanatory drawing of the floor joint plate of the both sides of the 1st form for implementing this invention. Explanatory drawing of the center floor joint plate of the 1st form for implementing this invention. Explanatory drawing of the attachment state of the auxiliary floor joint plate of the 1st form for implementing this invention. The operation explanatory view in which the joint part of the 1st form for carrying out the present invention became narrow. Operation | movement explanatory drawing which the joint part of the 1st form for implementing this invention became wide. Operation | movement explanatory drawing which rocked in the front-back direction from which the 1st form for implementing this invention differs. The top view of the 2nd form for carrying out the present invention. FIG. 15 is a sectional view taken along line 15-15 in FIG. 14; Explanatory drawing of the attachment state of the auxiliary floor joint plate of the 2nd form for implementing this invention. The top view of the 3rd form for carrying out the present invention. FIG. 18 is a sectional view taken along line 18-18 in FIG. 17; FIG. 19 is a sectional view taken along line 19-19 in FIG. 17; The top view of the 4th form for carrying out the present invention. Sectional drawing which follows the 21-21 line of FIG. Sectional drawing which follows the 22-22 line | wire of FIG. The top view of the 5th form for implementing this invention. FIG. 24 is a cross-sectional view taken along line 24-24 of FIG. Explanatory drawing of the floor joint plate of the 5th form for implementing this invention. The top view of the 6th form for implementing this invention. FIG. 27 is a sectional view taken along line 27-27 in FIG. 26; Explanatory drawing of the floor joint plate of the 6th form for implementing this invention.

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

  In the first embodiment for carrying out the present invention shown in FIG. 1 to FIG. In the floor joint device of the present invention that can safely pass even when a large load is applied to a vehicle or the like, the floor joint device 1 is on the joint portion side of one of the left and right floor housings 4, 4. The joint plate supporting recess 6 having guide rails 5, 5 formed on both sides and the joint portion side of the other floor casing 4 of the left and right floor casings 4, 4 are formed on the inclined surface 7. The joint plate slide support recess 8 having a length dimension substantially the same as the length dimension L of the joint portion 2 and the guide rails 5 and 5 on both sides are attached so as to be movable along the guide rails 5 and 5. , A carriage 9 having a length approximately half the length of the guide rails 5 and 5 9 and the rear end portion having the leg portions 10 and 10 on the carts 9 and 9 are engaged with the locking pins 11, 11, 11, 11 in which the front end portions fixed to the carts 9 and 9 are inclined rearward. The tip part is supported so that the parts 12, 12, 12, and 12 are locked, and the tip part having the leg parts 13 and 13 is slidably supported by the joint plate slide support recess 8 of the other floor frame 4 The rear end portion having the floor joint plates 15, 15 having the cover plates 14, 14 on both sides and the leg portions 13, 13 covering the floor joint plates 15, 15 on both sides is formed in the joint plate supporting recess 6. The center portions and the inner end engaging portions 12, 12, 12, 12 are supported so as to be locked with the locking pins 11, 11, 11, 11 fixed so as to be engaged, and the leg members 13, 13 are supported. The tip portion having the joint is the joint plate slurry of the other floor frame 4 In the embodiment of the present invention, two central floor joint plates 16 and 16 and two central portions are provided, which are provided with two or more cover plates 14 and 14 at the distal end portions slidably supported by the sliding support recess 8. When the left and right floor frames 4 and 4 formed on both sides of the floor joint plates 16 and 16 and the portions of the both sides of the floor joint plates 15 and 15 are shaken by earthquakes in different longitudinal directions, The scooping means 19 and 19 composed of an inclined surface 17 and a plurality of rollers 18 for scooping the floor joint plates 15 and 15 on both sides into the lower part of the two central floor joint plates 16 and 16, and the guides on the both sides The rear ends of the support bases 21 and 21 formed with the pivot pin insertion holes 20 fixed to the outer ends of the rails 5 and 5 are inserted into the pivot pin insertion holes 20 and 20, respectively. Pivoted The tip part enters the legs 10, 13, 10, 13 of the floor joint plates 15 and 15 on both sides, and covers the gap generated when the floor joint plates 15 and 15 on both sides move in the front-rear direction. The auxiliary floor joint plates 23 and 23 on both sides of the trapezoid supported on the joint plate slide support concave portion 8 so as to be slidable, and the tips of the auxiliary floor joint plates 23 and 23 on both sides are always provided. It is comprised with the urging | biasing apparatus 24 and 24 urged | biased so that it may contact | abut to the side walls 3 and 3 of the other floor frame 4.

  The guide rails 5, 5 are rectangular box-shaped, and concave portions 25, 25 are formed on the joint portion side of one floor case 4 so that the upper surface is slightly lower than the upper surface of the joint plate support concave portion 6, It is fixed to the recesses 25, 25.

  The carriages 9, 9 move in the guide rails 5, 5, and are attached to the carriage main bodies 26, 26 whose upper surface is flush with the upper surface of the joint plate support recess 6, and the bottom surfaces of the carriage main bodies 26, 26. A plurality of rollers 27, 27, a plurality of rollers 28, 28 that are attached to both side surfaces of the cart body 26, 26 and roll on the inner wall surface of the guide rails 5, 26, and the cart body 26 , 26 and locking pins 11 and 11 fixed to portions near both ends.

  The urging devices 24, 24 include arms 29, 29 fixed to the distal ends of the pivot pins 22, 22 of the auxiliary floor joint plates 23, 23 on both sides supported by the support bases 21, 21, , 29 is fixed at one end so that the auxiliary floor joint plates 23, 23 on both sides can be urged against the side walls 3, 3, and the other end is one floor frame 4 on the joint side. 4, the wires 31, 31 with the coil springs 30, 30 fixed thereto, and the floor joint plates 15, 15 on both sides are always urged to abut against the side walls 3, 3, 3, 3. It is comprised by the side part floor joint plate urging | biasing apparatus 32,32.

  The floor joint device 1 having the above-described configuration is such that the floor joint plates 15 and 15 on both sides and the central floor joint plates 16 and 16 are arranged in parallel between the side walls 3, 3, 3 and 3 of the left and right floor frames 4 and 4. Covers the joint 2.

  At this time, the auxiliary floor joint plates 23, 23 on both sides are opposed to the urging force of the urging devices 24, 24 between the leg portions 10, 13, 10, 13 of the floor joint plates 15, 15 on both sides, and The joint plate is supported by the slide support recess 8.

  When the left and right floor frames 4 and 4 sway in different left and right directions due to the earthquake and the joint portion 2 becomes narrow, as shown in FIG. 11, the tip portions of the floor joint plates 15 and 15 and the central floor joint plates 16 and 16 on both sides are It slides on the floor surface of the other floor frame 4 from the joint plate slide support recess 8 and absorbs the shaking movement.

  When the joint portion 2 becomes wide due to the earthquake, the tip portions of the floor joint plates 15 and 15 and the central floor joint plates 16 and 16 on both sides slide in the joint plate slide support recess 8 as shown in FIG. Can absorb shaking motion.

  When the left and right floor frames 4, 4 are swung in different front and rear directions due to the earthquake, the side floor plate 15 pressed by the side wall 3 of the other floor frame 4 follows the guide rail 5 as shown in FIG. Then, it slides back and forth and pushes down the central floor joint plate 16 and digs into the lower part.

  At this time, the side auxiliary floor joint plate 23 is also pressed against the central floor joint plate 16 side by the side wall 3 in the same manner as the side floor joint plate 15 against the biasing force of the biasing device 24. Since the tip of the side auxiliary floor joint plate 23 attached to 5 pivots around the pivot pin 22 as a fulcrum, the side auxiliary floor joint plate 23 is positioned in the resulting triangular gap. Cover the gap.

  When the shaking motion is stopped, the side floor joint plate urging devices 32 and 32 and the urging devices 24 and 24 automatically return to the original position.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 14 to 28 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

  In the second embodiment for carrying out the present invention shown in FIGS. 14 to 16, the main difference from the first embodiment for carrying out the present invention is that the auxiliary floor joint plates 23A on both sides of the crescent moon shape. , 23A, the floor joint device 1A configured by using such auxiliary floor joint plates 23A, 23A on both sides is similar to the first embodiment for carrying out the present invention. The effect is obtained.

  The third embodiment for carrying out the present invention shown in FIGS. 17 to 19 is mainly different from the first embodiment for carrying out the present invention in that the auxiliary floor joint plates 23 and 23 on both sides are provided. The urging devices 24A and 24A using the wire winding devices 34 and 34 for constantly winding the wires 33 and 33 for urging the tip end side so as to always come into contact with the side walls 3 and 3 are used, and the floors on both sides are always used. The present invention is also applied to the floor joint device 1B configured as described above in that the side floor joint plate urging devices 32A and 32A for pressing the joint plates 15 and 15 toward the side walls 3 and 3 are used. The same effects as those of the first embodiment for achieving the above are obtained.

  The fourth embodiment for carrying out the present invention shown in FIGS. 20 to 22 is mainly different from the first embodiment for carrying out the present invention in that the floor joint plates 15 and 15 on both sides are centrally located. For the floor constructed in this way, the legs 13, 13, 13, 13 at the tip of the partial floor joint plates 16, 16 are slidably installed on the floor surface of the other floor case 4 on the joint section side. Even in the joint device 1 </ b> C, the same effect as that of the first embodiment for carrying out the present invention can be obtained.

  The fifth embodiment for carrying out the present invention shown in FIGS. 23 to 25 is mainly different from the first embodiment for carrying out the present invention in that a leg formed of a separate member on the bottom surface of the tip portion. The side joint plates 15A and 15A and the central floor joint plate 16A on both sides are used in that the floor joint plates 15A and 15A and the central floor joint plates 16A and 16A on both sides to which the portions 13A and 13A are fixed are used. Even if the floor joint device 1D is configured using 16A, the same effects as those of the first embodiment for carrying out the present invention can be obtained.

  The sixth embodiment for carrying out the present invention shown in FIGS. 26 to 28 is mainly different from the first embodiment for carrying out the present invention in that the tip portion is inclined surface 35 along the inclined surface 17. , 35, when both side floor joint plates 15B and 15B and the central floor joint plates 16B and 16B are used, and the joint portion is narrowed to the bottom surface of the rear central portion side of the central floor joint plates 16B and 16B. Are provided with guide slopes 36, 36 for pushing up the rear portions of the central floor joint plates 16B, 16B, and the floors on both sides when the joint portions are narrowed on the bottom surfaces on the rear side of the auxiliary floor joint plates 23, 23 on both sides. Such floor joint plates 15B and 15B, center floor joint plates on both sides are provided in that guide slopes 36 and 36 for pushing up the rear portions of the joint plates 15B and 15B are provided. 6B, even if the 16B and both side portions of the auxiliary bed joint plate floor joint device 1E was constructed using 23, 23, same effects as the first mode for carrying out the present invention is obtained.

  In each of the embodiments of the present invention, the joint plate support recess 6 formed in one floor frame and the joint plate slide support recess 8 formed in the other floor frame are directly connected to the floor joint plates and the central floor on both sides. Although the thing which installs a joint plate was demonstrated, this invention is not restricted to this, The support metal fitting which covers the joint plate support recessed part 6 is used, The slide support metal fitting which covers the joint plate slide support recessed part 8, or the slidable sliding board is installed. It is also possible.

  Further, the urging devices 24 and 24A need only be able to urge the end portions of the auxiliary floor joint plates 23 and 23 on both sides so as to abut against the side walls 3 and 3 of the other floor frame 4 at all times. It may be configured using a spring or the like. Further, the side floor joint plate urging devices 32 and 32A may also be a push spring or a pull if they can urge the side joint plates 15 and 15 to always contact the side walls 3, 3, 3 and 3, respectively. A configuration using a spring or the like may be used.

  In addition, by covering the clearance gap between the upper portions of the guidelays 5 and 5 that are generated when the auxiliary floor joint plates 23 and 23 on both sides are moved inward, by covering with a cover in which a long hole through which the locking pins 11 and 11 can move is formed. The gap can be reduced.

  INDUSTRIAL APPLICATION This invention is utilized in the industry which manufactures the joint device for floors which connects between the right and left floor frames which have the side wall provided through the joint part.

1, 1A, 1B, 1C, 1D, 1E: floor joint device,
2: Joint part 3: Side wall
4: Floor frame, 5: Guide rail,
6: Joint plate support recess, 7: Inclined surface,
8: Joint plate slide support recess,
9: Bogie, 10: Leg,
11: Locking pin, 12: Engagement part,
13: Leg part, 14: Cover plate 15, 15A, 15B: Floor joint plate of side part,
16, 16A, 16B: Central floor joint plate,
17: inclined surface, 18: roller,
19: Mug-in means, 20: Pivoting pin insertion hole,
21: support base, 22: pivot pin,
23, 23A: Side auxiliary floor joint plates,
24, 24A: biasing device, 25: recess,
26: Bogie body, 27: Roller,
28: Roller, 29: Arm,
30: Coil spring, 31: Wire,
32, 32A: Side floor joint plate biasing device,
33: Wire, 34: Wire winding device.

Claims (1)

A joint plate support recess provided with guide rails on both sides formed on the joint body side floor housing having one side wall of the left and right floor housings provided via the joint portion, and the other side wall of the left and right floor housings A joint plate slide support recess formed on the inclined surface of the floor surface or the joint surface side of the floor frame on the joint portion side, and a carriage respectively attached to the guide rails on both sides so as to be movable along the guide rails And the rear end portion having the leg portion is supported on the carriage, and the front end portion having the leg portion is slidably supported on the floor surface of the other floor frame or the joint plate slide support concave portion. And a rear end portion having a leg portion covering the floor joint plates on both sides is supported by the joint plate supporting recess, and a tip portion having the leg portion is a floor surface or a joint plate of the other floor frame. Two or more central floor joint plates that are slidably supported by the slide slide support recesses, and are formed on both sides of the two or more central floor joint plates and in contact with the floor joint plates on both sides. When the left and right floor frames are swung in different front and rear directions, scooping means for scooping the floor joint plates on both sides into the lower part of two or more central floor joint plates, and the outer ends of the guide rails on both sides The rear end portion is pivotally supported, and the front end portion enters the leg portion of the floor joint plate on both sides. The joint plate can cover a gap generated when the floor joint plate on both sides moves in the front-rear direction. Auxiliary floor joint plates on both sides that are slidably supported by the slide support recess and the tip of the auxiliary floor joint plates on both sides are always in contact with the side wall of the other floor frame. In floor joint device that includes a biasing device for biasing so that, at the site of the upper side of the side walls of the central floor joint plate and in contact with portions of the floor joint plates of the both sides, of the central floor joint plate A floor joint device having a plurality of rollers for smoothly rolling into the lower part .

Images