CN209779351U - Distance-adjustable buckle plate and fastener - Google Patents

Abstract

The utility model discloses a distance-adjusting buckle plate, wherein the distance-adjusting buckle plate (2) is arranged on a connecting sleeve (3); a guide groove (14) is formed in the upper end face of the connecting sleeve (3), and a guide protrusion (8) is arranged on the bottom face of the distance adjusting buckle plate (2); the guide protrusion (8) is arranged in the guide groove (14); a plurality of protruding plates (11) are arranged on the bottom surface of the distance adjusting buckle plate (2), the protruding plates (11) are arranged in an axial symmetry manner, and the protruding plates (11) are tightly matched with the upper end surface of the connecting sleeve (3); the utility model discloses set up the dash board on roll adjustment buckle bottom surface, increase the pretightning force between roll adjustment buckle and the adapter sleeve, guarantee to contact completely between adapter sleeve and the roll adjustment buckle, realized the purpose of the gapless contact of roll adjustment buckle and adapter sleeve to strengthen the durability of adapter sleeve and the stability of roll adjustment buckle, also improved the stability of fastener, strengthened the travelling comfort and the security of train; on the other hand, lower production cost can be ensured.

Description

Distance-adjustable buckle plate and fastener

Technical Field

The utility model belongs to the technical field of the track traffic, specifically provide a roll adjustment buckle and fastener.

Background

The double-layer non-linear vibration-damping fastener is a vibration-damping noise-reducing steel rail fastener system, and said fastener system adopts self-locking structure-connecting sleeve, and can skillfully solve the connection problem between upper and lower iron base plates, and other fittings of the fastener are identical to those of general fastener on the general line. The double-layer nonlinear vibration attenuation fastener is simple in structure, easy to install, convenient to maintain, safe, stable and reliable, and is specially used for sections with high requirements for vibration attenuation and noise reduction, such as subway, urban railway bridge lines and the like. The double-layer nonlinear vibration attenuation fastener system can be used for both ballast tracks and ballastless tracks, and is widely applied to railway tracks of various countries in the world.

CN105648847B proposes a manufacturing method of split double-layer turnout damping fastener system. The manufacturing method of the separated double-layer turnout damping fastener system is provided; obtaining an upper iron base plate, a lower iron base plate and a middle rubber base plate with required sizes by adopting a direct cutting mode; welding a raised upright column at the corresponding position of the lower iron base plate; welding a plurality of bosses in the middle of the lower iron base plate; welding a connecting piece connected with the steel rail at the corresponding position of the upper iron base plate; a nylon self-locking sleeve is sleeved on a raised upright post of the lower iron base plate, and the upper end of the raised upright post is provided with a distance-adjusting buckle plate; the anchor bolt sequentially passes through the through hole of the distance-adjusting buckle plate and the through hole on the raised upright post of the lower iron base plate to fix the separated double-layer turnout shock-absorbing fastener system on the ballast bed foundation. Wherein disclose one kind in this application and set up the tooth, rely on the adjusting pitch buckle that the mutual interlock of buckle tooth and iron backing plate tooth realized the location.

Above current in the fastener installation, because processing technology's problem, the contact surface is level and smooth inadequately between roll adjustment buckle and the adapter sleeve to there is certain clearance between the two, thereby makes adapter sleeve life reduce, and roll adjustment buckle installation is unstable, causes very big threat to the travelling comfort and the security of train operation.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a roll adjustment buckle.

The utility model adopts the following technical scheme for accomplishing the above purpose:

The distance-adjusting buckle plate is arranged on the connecting sleeve; a guide groove is formed in the upper end face of the connecting sleeve, and a guide bulge is formed in the bottom face of the distance adjusting pinch plate; the guide bulge is arranged in the guide groove; the bottom surface of the distance adjusting buckle plate is provided with a plurality of protruding plates which are arranged in an axial symmetry manner, and the protruding plates are tightly matched with the upper end surface of the connecting sleeve.

Preferably, the plurality of the protruding plates are arranged on two opposite sides of the guide protrusion and are symmetrical with respect to the guide protrusion.

Preferably, the guide projection is perpendicular to the extending direction of the steel rail.

Preferably, the distance-adjusting buckle plate is provided with a through hole, and a spike is arranged in the through hole.

Preferably, the distance-adjusting buckle is oblong; the upper end surface of the connecting sleeve is circular.

Preferably, the guide bulge is perpendicular to the long axis of the long round distance-adjusting buckle; and one end of the guide bulge, which is far away from the through hole, protrudes out of the distance-adjusting buckle plate along the short axis direction of the distance-adjusting buckle plate.

Preferably, the matching surface of the distance adjusting buckle plate and the connecting sleeve is provided with distance adjusting teeth; the upper end face of the connecting sleeve is provided with distance-adjusting insections which are matched with the distance-adjusting teeth.

Preferably, the guide protrusion is perpendicular to the pitch tooth.

A fastener, the fastener comprises the adjustable-pitch buckle plate.

The utility model discloses improved current roll adjustment buckle, set up the jut board on roll adjustment buckle bottom surface to carry out the thickening. The pretightening force between increase roll adjustment buckle and the adapter sleeve guarantees to contact completely between adapter sleeve and the roll adjustment buckle, has realized the purpose of roll adjustment buckle and adapter sleeve zero clearance contact to the durability of reinforcing adapter sleeve and the stability of roll adjustment buckle have also improved the stability of fastener, the travelling comfort and the security of reinforcing train. On the other hand, lower production cost can be ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the rail fastener system of the present invention.

FIG. 2 is a schematic view of a prior art distance adjusting buckle.

Fig. 3 is a schematic view of a first visual angle structure of the matching of a distance-adjusting buckle plate and a connecting sleeve in the prior art.

Fig. 4 is a schematic diagram of a second perspective structure of the prior art in which a distance-adjusting buckle plate is matched with a connecting sleeve.

Fig. 5 is a side view of the adjustable pinch plate of the present invention.

Fig. 6 is a schematic view of the first visual angle structure of the adjustable pinch plate and the connection sleeve.

Fig. 7 is a schematic view of the second view angle structure of the adjustable pinch plate and the connection sleeve.

Description of the reference numerals

For further clarity of explanation of the structure and connections between the various components of the present invention, the following reference numerals are given and described.

The steel rail comprises a steel rail 1, a distance adjusting buckle 2, a connecting sleeve 3, an upper padding plate 4, an intermediate padding 5, a lower padding plate 6, a cover plate 7, a guide protrusion 8, distance adjusting teeth 9, through holes 10, a protruding plate 11, a sleeve 12, an upper eave 13, a guide groove 14 and a concave part 15.

Through the above reference sign explanation, combine the embodiment of the utility model, can more clearly understand and explain the technical scheme of the utility model.

Detailed Description

The invention is described in connection with the accompanying drawings and the embodiments:

A distance-adjusting buckle plate is shown in figure 1, and comprises an upper padding plate 4 and a lower padding plate 6, wherein an intermediate pad 5 is arranged between the upper padding plate 4 and the lower padding plate 6, and the intermediate pad 5 is an elastic rubber pad. The upper backing plate 4 and the middle pad 5 are both provided with mounting holes. The lower backing plate 6 is provided with a raised upright post, the raised upright post is provided with a nail hole, and the raised upright post penetrates through mounting holes at corresponding positions on the upper backing plate 4 and the middle pad 5. The connecting sleeve 3 is sleeved outside the raised upright post, the connecting sleeve 3 comprises a sleeve 12 and an upper brim 13, and the sleeve 12 is sleeved outside the raised upright post and locked with the raised upright post; the upper eave 13 is buckled on the upper backing plate 4, and the connecting sleeve 3 connects the upper backing plate 4, the middle pad 5 and the lower backing plate 6 into a whole. The adjustable-pitch buckle plate 2 is installed on the upper side of an upper eave 13 of the connecting sleeve 3, and a through hole 10 is formed in the adjustable-pitch buckle plate 2. The spike passes through the through hole 10 on the distance-adjusting pinch plate 2, the connecting sleeve 4 and the spike hole on the raised upright post, and the fastener is buckled on the ballast bed.

As shown in fig. 2-4, the existing distance-adjusting buckle 2 comprises a cover plate 7, a guide protrusion 8 and distance-adjusting teeth 9 are arranged on the matching surface of the cover plate 7 and the connecting sleeve 3, and the distance-adjusting teeth 9 are consistent with the extending direction of the steel rail 1; the guide protrusion 8 is perpendicular to the pitch adjusting teeth 9. The guide projections 8 and the pitch adjustment teeth 9 are arranged around the through hole 10. The upper end surface of the connecting sleeve 3 is provided with a guide groove 14 matched with the guide bulge 8, and the upper end surface of the connecting sleeve 3 is also provided with a pitch-adjusting insection matched with the pitch-adjusting tooth 9. Preferably, the cover plate 7 is oblong, and the upper end surface of the connecting sleeve 3 is circular. The guide bulge 8 is vertical to the long axis of the oblong cover plate 7; the guide protrusion 8 extends out of the cover plate 7 at least partially, namely is exposed at the lower side of the cover plate 7, namely along the short axis direction of the distance adjusting buckle plate 2, and one end, far away from the through hole 10, of the guide protrusion 8 protrudes out of the distance adjusting buckle plate 2; so that the guide projection 8 is directly fitted into the guide groove 14 at the time of installation.

Above current double-deck nonlinear damping fastener is in the construction installation, because the problem of moulding plastics and casting process, the contact surface roughness between roll adjustment buckle 2 and the adapter sleeve 3 is not enough, and the slope appears in installation back roll adjustment buckle 2, and only partial contact has certain clearance in the border position of one side to roll adjustment buckle 2 and adapter sleeve 3. Under the condition, on one hand, the connecting sleeve 3 is stressed unevenly, has concentrated stress and is easy to break; on the other hand, the distance-adjusting buckle 2 inclines, is not restrained enough, and the phenomenon of beating turns easily appears, and the fastener is easy to take place to become flexible this moment. Above-mentioned problem seriously influences the stability of damping fastener, and then influences the travelling comfort and the security of train. If the contact surfaces of the connecting sleeve and the distance-adjusting buckle plate are required to reach ideal flatness, more complex process treatment is required, which can greatly increase the cost of the fastener product.

As shown in fig. 5-7, the distance-adjusting buckle 2 comprises a cover plate 7, a guide protrusion 8 and a distance-adjusting tooth 9 are arranged on the matching surface of the cover plate 7 and the connecting sleeve 3, and the distance-adjusting tooth 9 is consistent with the extending direction of the steel rail 1; the guide protrusion 8 is perpendicular to the pitch adjusting teeth 9. The guide projections 8 and the pitch adjustment teeth 9 are arranged around the through hole 10. The upper end surface of the connecting sleeve 3 is provided with a guide groove 14 matched with the guide bulge 8, and the upper end surface of the connecting sleeve 3 is also provided with a pitch-adjusting insection matched with the pitch-adjusting tooth 9. Preferably, the cover plate 7 is oblong, and the upper end surface of the connecting sleeve 3 is circular. The guide bulge 8 is vertical to the long axis of the oblong cover plate 7; the guide protrusion 8 extends out of the cover plate 7 at least partially, namely is exposed at the lower side of the cover plate 7, namely along the short axis direction of the distance adjusting buckle plate 2, and one end, far away from the through hole 10, of the guide protrusion 8 protrudes out of the distance adjusting buckle plate 2; so that the guide projection 8 is directly fitted into the guide groove 14 at the time of installation.

In addition, a protruding plate 11 is arranged on the matching surface of the upper cover plate 7 of the distance adjusting pinch plate 2 and the connecting sleeve 3, and the protruding plate 11 is tightly matched with the upper end surface of the connecting sleeve 3. The plurality of the protruding plates 11 are arranged in axial symmetry. In this embodiment, two protruding plates 11 are provided, a recessed portion 15 is formed between the two protruding plates 11, and the guide protrusion 8 and the pitch adjusting teeth 9 are provided on the bottom surface of the recessed portion 15. In this embodiment, the two protruding plates 11 are disposed on two sides of the guiding protrusion 8, and are symmetrical with respect to the guiding protrusion 8; the guide projection 8 and the pitch regulation teeth 9 are both positioned on the cover plate 7 between the two protruding plates 11. When the distance-adjusting buckle 2 is assembled with the connecting sleeve 3, the protruding plate 11 is in contact with the upper eave 13 on the connecting sleeve 3, after the spike is fixed, the protruding plate 11 is stressed, the pretightening force between the distance-adjusting buckle 2 and the connecting sleeve 3 is effectively increased, the connecting sleeve is ensured to be in complete contact with the distance-adjusting buckle, and the purpose of gapless contact between the distance-adjusting buckle and the connecting sleeve is achieved, so that the durability of the connecting sleeve and the stability of the distance-adjusting buckle are enhanced, the stability of a fastener is also improved, and the comfort and the safety of train running are enhanced.

a fastener, the fastener includes the above roll adjustment buckle. The stability of the fastener is improved, and the comfort and the safety of train running are enhanced.

The present embodiment has improved current roll adjustment buckle, sets up the apophysis in roll adjustment buckle both sides to carry out thickening. The pretightening force between increase roll adjustment buckle and the adapter sleeve guarantees to contact completely between adapter sleeve and the roll adjustment buckle, has realized the purpose of roll adjustment buckle and adapter sleeve zero clearance contact to the durability of reinforcing adapter sleeve and the stability of roll adjustment buckle have also improved the stability of fastener, the travelling comfort and the security of reinforcing train. On the other hand, lower production cost can be ensured.

It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present invention.

Claims (9)

1. The distance-adjusting buckle (2) is arranged on a connecting sleeve (3); a guide groove (14) is formed in the upper end face of the connecting sleeve (3), and a guide protrusion (8) is arranged on the bottom face of the distance adjusting buckle plate (2); the guide protrusion (8) is arranged in the guide groove (14); the method is characterized in that: the bottom surface of the distance adjusting buckle (2) is provided with a plurality of protruding plates (11), the protruding plates (11) are arranged in an axial symmetry mode, and the protruding plates (11) are tightly matched with the upper end face of the connecting sleeve (3).

2. The distance adjusting buckle plate of claim 1, wherein: the protruding plates (11) are arranged on two opposite sides of the guide protrusion (8) and are symmetrical relative to the guide protrusion (8).

3. The distance adjusting buckle plate according to claim 1 or 2, characterized in that: the guide bulge (8) is vertical to the extending direction of the steel rail.

4. The pitch-adjusting buckle of claim 3, wherein: the distance-adjusting buckle (2) is provided with a through hole (10), and a spike is arranged in the through hole (10).

5. The pitch-adjusting buckle of claim 4, wherein: the distance-adjusting buckle (2) is in an oblong shape; the upper end surface of the connecting sleeve (3) is circular.

6. The pitch-adjusting buckle of claim 5, wherein: the guide bulge (8) is vertical to the long axis of the long round distance-adjusting buckle plate (2); and along the short axis direction of the distance-adjusting buckle plate (2), one end of the guide bulge (8) far away from the through hole (10) protrudes out of the distance-adjusting buckle plate (2).

7. The pitch-adjusting buckle of claim 3, wherein: the matching surface of the distance adjusting buckle (2) and the connecting sleeve (3) is provided with distance adjusting teeth (9); the upper end face of the connecting sleeve (3) is provided with distance-adjusting insections which are matched with the distance-adjusting teeth (9).

8. The pitch-adjusting buckle of claim 7, wherein: the guide bulge (8) is vertical to the distance adjusting teeth (9).

9. A fastener, characterized by: the clip comprising the adjustable clip of any one of claims 1 to 8.