CN216585947U - Vibration damping fastener that suitability is high - Google Patents

Abstract

The utility model discloses a damping fastener that suitability is high, including soft pillow, upper junction plate and rail, peg graft in the bottom of upper junction plate has two set screws, and one side of set screw cup joints and installs the clamp plate, and one side swing joint of set screw has fixation nut, and fixation nut's circumference one side cup joints and installs the fixed plate, and the fixed plate contacts with the clamp plate, two slide bars of bottom fixedly connected with of fixed plate, one side of slide bar cup joint and install first spring, and the slide bar passes the upper junction plate, and the bottom fixedly connected with stopper of slide bar, the bottom of rail is provided with first shock pad, and the bottom of first shock pad sets up rail lower bolster, and the bottom of rail lower bolster is provided with second shock pad. The utility model discloses when effectually avoiding the rail to fix, fixation nut and set screw receive vibrations and appear the not hard up condition because of the train long time after, have reduced the track potential safety hazard, have ensured the use of rail.

Description

Vibration damping fastener with high applicability

Technical Field

The utility model relates to a rail damping fastener technical field especially relates to a damping fastener that suitability is high.

Background

The vibration-damping fastener of rail is the important component of track system among the track traffic, and its effect is fixed rail and keeps the accurate position of rail, gives the basis under the rail the power transmission that the rail received, for the rail provides support elasticity, plays the effect of vibration-damping and noise reduction, along with the rapid development and the large-scale construction of track traffic, the vibration-damping fastener is also widely used.

At present, most of the existing steel rail vibration damping fasteners have the following defects: when fixing the rail, use bolt and bullet strip to make the straining to the rail more, and the nut on the bolt can receive vibrations and not hard up after the train length time passes through, has the potential safety hazard, influences the use of rail, to sum up, current rail damping fastener still can not agree with actual need well mostly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vibration damping fastener with high applicability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vibration damping fastener with high applicability comprises a soft sleeper, an upper connecting plate and a steel rail, wherein two fixing screws are inserted into the bottom of the upper connecting plate, a pressing plate is sleeved on one side of each fixing screw, a fixing nut is movably connected to one side of each fixing screw, a fixing plate is sleeved on one side of the circumference of each fixing nut and is in contact with the pressing plate, the bottom of the fixed plate is fixedly connected with two sliding rods, one side of each sliding rod is sleeved with a first spring, the sliding rods penetrate through the upper connecting plate, and the bottom fixedly connected with stopper of slide bar, the bottom of rail is provided with first shock pad, and the bottom of first shock pad sets up there is the rail lower bolster, and the bottom of rail lower bolster is provided with the second shock pad, and the second shock pad contacts with the upper surface of upper junction plate, and the upper surface of rail has placed the insulated rail cushion, and the insulated rail cushion is the structure of falling L shape.

Furthermore, the upper surface of the upper connecting plate is fixedly connected with a plurality of ball head rods, the ball head rods are movably connected with the pressing plate, and one side of each ball head rod is sleeved with a second spring.

Furthermore, the upper surface swing joint of soft pillow has a plurality of threaded rods, cup joints between the threaded rod and installs same lower connecting plate, and the upper surface of lower connecting plate is provided with two fixed frames.

Furthermore, the bottom of set screw cup joints and installs the fixed block, and the fixed block is located fixed frame.

Furthermore, the upper surface of lower connecting plate is provided with first vibration isolation rubber pad, and the upper surface of first vibration isolation rubber pad is provided with the medium plate.

Furthermore, a second vibration isolation rubber pad is arranged on the upper surface of the middle plate, the second vibration isolation rubber pad is in contact with the upper connecting plate, and the sliding rod penetrates through the first vibration isolation rubber pad, the second vibration isolation rubber pad and the middle plate.

Furthermore, one side of the threaded rod is movably connected with a fastening nut and a locknut respectively.

Furthermore, two sealing gaskets are sleeved on one side of the threaded rod and are respectively contacted with the upper connecting plate and the lower connecting plate.

The utility model has the advantages that:

1. the utility model discloses, through the setting of the combined use of fixed plate, slide bar, first spring and stopper, can fix fixation nut, when the effectual rail of avoiding is fixed, fixation nut and set screw receive vibrations and appear the not hard up condition because of the train long time after, have reduced the track potential safety hazard, have ensured the use of rail.

2. The utility model discloses, through setting up the bulb pole, can do the direction when installing the clamp plate to the skew appears in the clamp plate, the contact surface of guarantee clamp plate and insulating cushion has increased the clamp plate and to insulating cushion's fixed, can ensure the stability of rail.

3. The utility model discloses, through setting up first shock pad, second shock pad, first vibration isolation rubber pad and second vibration isolation rubber pad, can carry out the shock attenuation to the vibrations that the train produced when passing through to reduce the vibrations of rail, can realize the purpose of damping, promote the shock attenuation effect.

Drawings

Fig. 1 is a schematic perspective view of a highly adaptable damping fastener of the present invention;

fig. 2 is a schematic view of a partial three-dimensional structure of a highly adaptable damping fastener provided by the present invention;

fig. 3 is a schematic view of a partial bottom view of a highly adaptable damping fastener of the present invention;

fig. 4 is a schematic view of a partial three-dimensional structure of a highly adaptable damping fastener of the present invention;

fig. 5 is a schematic diagram of a partial explosion structure of a vibration damping fastener with high applicability provided by the present invention.

In the figure: 1. a soft pillow; 2. an upper connecting plate; 3. a steel rail; 4. a set screw; 5. fixing a nut; 6. pressing a plate; 7. a fixing plate; 8. a slide bar; 9. a first spring; 10. insulating rail pads; 11. a first cushion pad; 12. a rail lower backing plate; 13. a second cushion pad; 14. a ball-head rod; 15. a second spring; 16. a threaded rod; 17. a lower connecting plate; 18. a limiting block; 19. a fixed block; 20. a first vibration isolating rubber pad; 21. a middle plate; 22. a second vibration isolating rubber pad; 23. fastening a nut; 24. a locknut; 25. a gasket; 26. a fixing frame is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a vibration damping fastener with high applicability comprises a soft sleeper 1, an upper connecting plate 2 and a steel rail 3, wherein two fixing screws 4 are inserted into the bottom of the upper connecting plate 2, a pressing plate 6 is sleeved on one side of each fixing screw 4, a fixing nut 5 is connected with one side of each fixing screw 4 in a threaded manner, a fixing plate 7 is sleeved on one side of the circumference of each fixing nut 5, the fixing plate 7 is in contact with the pressing plate 6, two sliding rods 8 are welded at the bottom of the fixing plate 7, a first spring 9 is sleeved on one side of each sliding rod 8, each sliding rod 8 penetrates through the upper connecting plate 2, a limiting block 18 is welded at the bottom end of each sliding rod 8, the fixing nuts 5 can be fixed through the design of combined use of the fixing plate 7, the sliding rods 8, the first springs 9 and the limiting blocks 18, and the situation that the fixing nuts 5 and the fixing screws 4 are loosened due to vibration after long-time train passing is effectively avoided, the potential safety hazard of the track is reduced, the use of the steel rail 3 is ensured, the bottom of the steel rail 3 is provided with a first shock absorption pad 11, the bottom of the first shock absorption pad 11 is provided with a lower rail pad 12, the bottom of the lower rail pad 12 is provided with a second shock absorption pad 13, the second shock absorption pad 13 is in contact with the upper surface of the upper connecting plate 2, an insulating rail pad 10 is placed on the upper surface of the steel rail 3, and the insulating rail pad 10 is of an inverted L-shaped structure.

The upper surface of the upper connecting plate 2 is welded with a plurality of ball rods 14, the ball rods 14 are slidably connected with the pressing plate 6, the ball rods 14 are arranged and can guide the pressing plate 6 when being installed so as to prevent the pressing plate 6 from deviating, the contact surface of the pressing plate 6 and the insulating cushion blocks is ensured, the fixation of the pressing plate 6 on the insulating cushion blocks is increased, the stability of the steel rail 3 can be ensured, one side of each ball rod 14 is sleeved with a second spring 15, the upper surface of the soft pillow 1 is in threaded connection with a plurality of threaded rods 16, the same lower connecting plate 17 is sleeved between the threaded rods 16, the upper surface of the lower connecting plate 17 is provided with two fixing frames 26, the bottom ends of the fixing screws 4 are sleeved with fixing blocks 19, the fixing blocks 19 are positioned in the fixing frames 26, the upper surface of the lower connecting plate 17 is provided with a first vibration isolation rubber pad 20, the upper surface of the first vibration isolation rubber pad 20 is provided with a middle plate 21, the upper surface of the middle plate 21 is provided with a second vibration isolation rubber pad 22, set up first shock pad 11, second shock pad 13, first vibration isolation rubber pad 20 and second vibration isolation rubber pad 22, can carry out the shock attenuation to the vibrations that the train produced during through, thereby reduce the vibrations of rail 3, can realize the purpose of damping, promote the shock attenuation effect, second vibration isolation rubber pad 22 contacts with upper junction plate 2, and slide bar 8 passes first vibration isolation rubber pad 20, second vibration isolation rubber pad 22 and medium plate 21, threaded connection has fastening nut 23 and locknut 24 respectively in one side of threaded rod 16, two sealed packings 25 have all been cup jointed to one side of threaded rod 16, sealed packing 25, fastening nut 23 and locknut 24, so that fix upper junction plate 2 and lower connecting plate 17, further fix rail 3, sealed packing 25 contacts with upper junction plate 2 and lower connecting plate 17 respectively.

The working principle of the embodiment is as follows: during the use, at first stack second shock pad 13, rail bottom plate 12 and first shock pad 11 together in proper order from top to bottom, then place rail 3 on first shock pad 11, afterwards, place insulating rail cushion 10 on the upper surface of rail 3, afterwards, pass clamp plate 6 and be located insulating rail cushion 10, subsequently, to go up to draw fixed plate 7 and drive slide bar 8 rebound, twist this moment, fixing nut 5 fixes clamp plate 6, then, under the effect of first spring 9, make fixed plate 7 reset, and install in fixing nut 5's the outside, can fix fixing nut 5, appear becoming flexible between fixing nut 5 and fixing screw 4 in order to avoid long-term use, can accomplish the installation of rail 3, the step is simple.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Claims (8)

1. A vibration damping fastener with high applicability comprises a soft pillow (1), an upper connecting plate (2) and a steel rail (3), and is characterized in that two fixing screws (4) are inserted into the bottom of the upper connecting plate (2), a pressing plate (6) is sleeved on one side of each fixing screw (4), a fixing nut (5) is movably connected to one side of each fixing screw (4), a fixing plate (7) is sleeved on one side of the circumference of each fixing nut (5), the fixing plate (7) is in contact with the pressing plate (6), two sliding rods (8) are fixedly connected to the bottom of each fixing plate (7), a first spring (9) is sleeved on one side of each sliding rod (8), each sliding rod (8) penetrates through the upper connecting plate (2), a limiting block (18) is fixedly connected to the bottom end of each sliding rod (8), and a first vibration damping pad (11) is arranged at the bottom of the steel rail (3), the bottom of the first shock pad (11) is provided with a lower rail pad (12), the bottom of the lower rail pad (12) is provided with a second shock pad (13), the second shock pad (13) is in contact with the upper surface of the upper connecting plate (2), the upper surface of the steel rail (3) is provided with an insulating rail pad (10), and the insulating rail pad (10) is of an inverted L-shaped structure.

2. The vibration damping fastener with high applicability according to claim 1, wherein a plurality of ball rods (14) are fixedly connected to the upper surface of the upper connecting plate (2), the ball rods (14) are movably connected with the pressure plate (6), and a second spring (15) is sleeved on one side of each ball rod (14).

3. The vibration-damping fastener with high applicability according to claim 1, wherein the upper surface of the soft pillow (1) is movably connected with a plurality of threaded rods (16), a same lower connecting plate (17) is sleeved between the threaded rods (16), and two fixing frames (26) are arranged on the upper surface of the lower connecting plate (17).

4. The vibration damping fastener with high applicability according to claim 3, wherein the bottom end of the fixing screw (4) is sleeved with a fixing block (19), and the fixing block (19) is located in the fixing frame (26).

5. A vibration damping fastener with high applicability according to claim 4, wherein the upper surface of the lower connecting plate (17) is provided with a first vibration isolating rubber pad (20), and the upper surface of the first vibration isolating rubber pad (20) is provided with a middle plate (21).

6. A vibration damping fastener with high applicability according to claim 5, wherein the upper surface of the middle plate (21) is provided with a second vibration isolating rubber pad (22), the second vibration isolating rubber pad (22) contacts with the upper connecting plate (2), and the sliding rod (8) passes through the first vibration isolating rubber pad (20), the second vibration isolating rubber pad (22) and the middle plate (21).

7. A vibration-damping fastener according to claim 6, characterized in that a fastening nut (23) and a locknut (24) are movably connected to one side of the threaded rod (16), respectively.

8. The vibration damping fastener with high applicability according to claim 7, wherein two sealing gaskets (25) are sleeved on one side of the threaded rod (16), and the sealing gaskets (25) are respectively contacted with the upper connecting plate (2) and the lower connecting plate (17).

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