Bidirectional adjusting rail fastener

Abstract

The utility model relates to a bidirectional adjusting rail fastener. A horizontal adjusting mechanism of the bidirectional adjusting rail fastener comprises a horizontal screw rod, a lateral fastener seat and a positioning pipe, the upper part of the positioning pipe is exposed and is provided with a first transverse through hole; the lateral buckling seats are positioned on two sides of the track; a horizontal screw is inserted into the lateral buckling seat and the first transverse through hole, and two ends of the horizontal screw are fixed through first fastening nuts; the vertical adjusting mechanism comprises a U-shaped screw rod, a pressing plate and a supporting plate; u-shaped openings of the U-shaped screws face upwards, and the upper portions of the U-shaped screws are exposed and located on the two transverse sides of The supporting plate is located at the bottom of the track and provided with first vertical through holes in the two sides. The pressing plate is located above the supporting plate, the inner side presses the top faces of the two sides of the bottom of the rail, and the outer side is provided with a second vertical through hole. The two ends of the U-shaped screw are inserted into the first vertical through hole and the second vertical through hole and fixed through the second fastening nut. According to the utility model, displacement of the track in the horizontal or vertical direction caused by vibration in the running process of a train can be avoided, two-way adjustment and homing can be carried out, and the running safety of the train is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of track equipment, concretely relates to a two -way adjustment track fastener. BACKGROUND

[0002] Track fasteners are parts used to connect rails and sleepers on tracks, which can firmly fix the rails on the sleepers, ensure the correct spacing and alignment between the rails, and thus maintain the stability and safety of train running. The fasteners resist the lateral and longitudinal forces generated during train operation by applying sufficient pressure, preventing the rails from shifting or overturning. In addition, the fasteners also provide a certain degree of elasticity, which helps to absorb vibrations and noise, improves the passenger riding experience, and reduces the impact on the surrounding environment.

[0003] In order to adapt to different use conditions and needs, track fasteners are designed in various types. For example, a currently existing track fastener includes a pre-buried sleeve embedded in a sleeper, a base, a gauge clip plate, and spiral spikes. The gauge clip plate is arranged on the base, and both the base and the gauge clip plate are provided with through holes for the spiral spikes to pass through. The spiral spikes are connected with the pre-buried sleeve to fix the base and the gauge clip plate. At least two adjusting notches capable of being clamped on the rail bottom to adjust the gauge are arranged on the gauge clip plate. The adjusting notches are different in distance from the center of the spiral spike at the contact position with the side surface of the rail bottom. The gauge clip plate is rotated to make the different adjusting notches cooperate with the rail bottom to realize gauge adjustment. This track fastener cancels the elastic strip and gauge block in the traditional fastener system, increases the gauge clip plate capable of adjusting the gauge, and makes the fastener have good integrity, fewer parts, convenient adjustment, and reduced maintenance cost in the later period. However, this track fastener still has defects. During long-term use of the track, the track fastener may become loose and displaced. At this time, the track needs to be adjusted to return to the normal use position. However, this track fastener cannot be adjusted according to the actual use demand during use.

[0004] Therefore, it is necessary to propose new measures to overcome the above-mentioned defects. SUMMARY

[0005] The utility model aims at providing a two -way adjustment track fastener to solve the problem that the existing track fastener cannot be adjusted to return to the normal position when it becomes loose and displaced.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A two -way adjustment track fastener, the two -way adjustment track fastener includes horizontal adjusting mechanism and vertical adjusting mechanism;

[0008] The horizontal adjusting mechanism comprises a horizontal screw rod, a lateral buckle and a positioning tube; the positioning tube is vertically arranged, with the lower part being located in the lower foundation and the upper part being exposed and having a first transverse through hole; the lateral buckle is located on both sides of the track in the transverse direction; the horizontal screw rod is transversely inserted into the lateral buckle and the first transverse through hole, and both ends are fixed by first fastening nuts;

[0009] The vertical adjusting mechanism comprises a U-shaped screw rod, a pressing plate and a support plate; the U-shaped screw rod has a U-shaped opening facing upward, with the lower part being located in the lower foundation and the upper part being exposed and located on both sides of the track in the transverse direction; the support plate is located at the bottom of the track and has first vertical through holes on both sides; the pressing plate is located above the support plate, with the inner side being pressed on the top surface of the bottom of the track and the outer side having second vertical through holes; both ends of the U-shaped screw rod are upwardly inserted into the first vertical through holes and the second vertical through holes and are fixed by second fastening nuts.

[0010] Further, the horizontal adjusting mechanism and the vertical adjusting mechanism are longitudinally arranged in front and back.

[0011] Further, the lower part of the support plate is provided with a mounting plate, which is located on the top surface of the lower foundation.

[0012] Further, the mounting plate is provided with third vertical through holes corresponding to the positions of the horizontal adjusting mechanism, which are located below the track, and the upper part of the positioning tube is inserted into the third vertical through holes;

[0013] The mounting plate is provided with fourth vertical through holes corresponding to the positions of the vertical adjusting mechanism, which are located on both sides of the track, and both ends of the U-shaped screw rod are upwardly inserted into the fourth vertical through holes.

[0014] Further, both ends of the horizontal screw rod are further provided with first lock nuts, which are located outside the first fastening nuts.

[0015] Further, both ends of the U-shaped screw rod are further provided with adjusting limit nuts, which are located between the mounting plate and the support plate.

[0016] Further, both ends of the U-shaped screw rod are further provided with second lock nuts, which are located between the adjusting limit nuts and the mounting plate.

[0017] Further, the horizontal section of the lateral buckle is U-shaped, comprising a longitudinal plate and two transverse plates, the longitudinal plate being located on the lateral side of the track, and the transverse plates being located outside the longitudinal plate.

[0018] Further, the longitudinal plate is provided with a second transverse through hole, and the horizontal screw rod is transversely inserted into the second transverse through hole.

[0019] Further, the inner side bottom of the pressing plate is a slope and covers the top surface on both sides of the bottom of the track, and the outer side bottom of the pressing plate is provided with a protrusion and is in contact with the supporting plate.

[0020] Compared with the prior art, the utility model has the beneficial effects as follows:

[0021] The utility model provides a kind of two-way adjusting track fastener, horizontal adjusting mechanism is fixed in lower foundation by square tube, and simultaneously, vertical adjusting mechanism is also fixed in lower foundation by U type screw rod, horizontal adjusting mechanism provides horizontal positioning and adjusting in transverse direction for track, vertical adjusting mechanism provides vertical positioning and adjusting for track, avoid the displacement of track in horizontal or vertical direction due to vibration in the process of train operation, when track fastener loosens, shift, it can be adjusted and homing from vertical and horizontal two directions, guarantee train travel safety. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be simply introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings of embodiments can be obtained according to these drawings without creating creative labor.

[0023] Figure 1 It is a structure front view of the two-way adjusting track fastener of the embodiment of the utility model.

[0024] Figure 2 It is a structure plan view of the two-way adjusting track fastener of the embodiment of the utility model.

[0025] Figure 3 It is Figure 1 A-A section schematic view in the middle.

[0026] Figure 4 It is Figure 1 B-B section schematic view in the middle.

[0027] Identified as in the figure:

[0028] 1-lower foundation, 2-mounting plate, 3-horizontal adjusting mechanism, 4-vertical adjusting mechanism, 5-track;

[0029] 31-horizontal screw rod, 32-lateral buckle seat, 33-positioning pipe, 34-first locknut, 35-first fastening nut;

[0030] 41 - U-shaped screw, 42 - pressure plate, 43 - support plate, 44 - second fastening nut, 45 - adjusting limiting nut, 46 - second anti-loosening nut. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "provided" and the like should be understood broadly, for example, it can be fixedly connected, provided, or detachably connected, provided, or integrally connected, provided. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] At the same time, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance. Of course, such objects can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0035] In the specific embodiment, the line direction is defined as the longitudinal direction, the direction perpendicular thereto is defined as the transverse direction, the direction close to the track is defined as the inner side, and the direction away from the track is defined as the outer side.

[0036] As Figures 1-2 The present application provides a bidirectional adjustment track fastener for fixing the track 5 to the lower foundation 1 (such as a sleeper), and has a horizontal adjustment (transverse adjustment) function and a vertical adjustment (vertical adjustment) function. Specifically, the bidirectional adjustment track fastener includes a horizontal adjustment mechanism 3 and a vertical adjustment mechanism 4, and the horizontal adjustment mechanism 3 and the vertical adjustment mechanism 4 are arranged longitudinally front and back. Each bidirectional adjustment track fastener includes one horizontal adjustment mechanism 3 and one vertical adjustment mechanism 4, and the bidirectional adjustment track fasteners are uniformly distributed and installed along the longitudinal direction of the track 5.

[0037] As Figure 4 , the horizontal adjusting mechanism 3 is used for horizontal adjustment of the track 5, including a horizontal screw 31, a lateral buckle 32 and a positioning tube 33. The positioning tube 33 is vertically arranged, the lower part is embedded in the lower foundation 1, and the upper part is exposed and has a first transverse through hole. In some embodiments, the positioning tube 33 can be a square tube, a round tube, etc., and the corresponding through hole is a square hole or a round hole. The positioning tube 33 can also adopt a rod structure. The lateral buckle 32 is located on both sides of the track 5 in the transverse direction. The horizontal section of the lateral buckle 32 is U-shaped, the U-shaped opening is outward, and the lateral buckle 32 includes a longitudinal plate and two transverse plates. The longitudinal plate is located on the outer side of the track 5 in the transverse direction and is close to the track 5. The transverse plates are located on the outer side of the longitudinal plate. The longitudinal plate is provided with a second transverse through hole, and the horizontal screw 31 is transversely inserted into the second transverse through hole. The horizontal screw 31 is located below the track 5 and has an external thread. The horizontal screw 31 is transversely inserted into the lateral buckle 32 and the first transverse through hole, and both ends are fixed by a first fastening nut 35, so as to fix the lateral buckle 32 and the horizontal screw 31 together, and tightly clamp the track 5 between the lateral buckles 32 on both sides, so as to avoid displacement of the track 5 in the horizontal direction during the running of the train. In addition, the two ends of the horizontal screw 31 are also provided with a first locking nut 34, and the first locking nut 34 is located outside the first fastening nut 35.

[0038] As Figure 4The vertical adjusting mechanism 4 is used for vertical adjustment of the track 5, and includes a U-shaped screw 41, a pressing plate 42 and a support plate 43. The U-shaped screw 41 has a U-shaped opening upward, and the lower part is embedded in the lower foundation 1, and the upper part is exposed and located on both sides of the track 5 in the transverse direction. The exposed part of the U-shaped screw 41 has external threads. The support plate 43 is located at the bottom of the track 5, and has first vertical through holes on both sides. The support plate 43 provides vertical support for the track 5. The pressing plate 42 is located above the support plate 43, and the inner side is pressed on the top surface of the bottom of the track 5, and the outer side has second vertical through holes. The inner bottom of the pressing plate 42 is inclined and pressed on the top surface of the bottom of the track 5, and the outer bottom of the pressing plate 42 is provided with a protrusion and is in contact with the support plate 43. The gap between the protrusion and the inclined surface and the support plate 43 is maintained. The two ends of the U-shaped screw 41 are inserted into the first vertical through holes and the second vertical through holes upward, and are fixed by the second fastening nut 44, so that the pressing plate 42 and the support plate 43 are fixed with the U-shaped screw 41, and the bottom of the track 5 is tightly clamped between the pressing plate 42 and the support plate 43. The two ends of the U-shaped screw 41 are also provided with adjusting limit nuts 45, which are located below the support plate 43 to avoid displacement of the track in the vertical direction during the operation of the train. The two ends of the U-shaped screw 41 are also provided with second anti-loosening nuts 46, which are located below the adjusting limit nuts 45. In the vertical adjusting mechanism 4, the adjusting limit nuts 45 play a vertical limiting role for the support plate 43, and at the same time, the height position and levelness of the support plate 43 can also be adjusted by the adjusting limit nuts 45.

[0039] The horizontal adjusting mechanism 3 and the vertical adjusting mechanism 4 are used in combination, and are arranged longitudinally forward and backward, and are both arranged on both sides of the track 5.

[0040] In addition, the mounting plate 2 is arranged below the support plate 43, and is located on the top surface of the lower foundation 1, at the bottom of the lateral buckle 32, and at the bottom of the second anti-loosening nut 46. The mounting plate 2 is provided with a third vertical through hole corresponding to the position of the horizontal adjusting mechanism 3, and the third vertical through hole is located below the track 5. The upper part of the positioning pipe 33 is inserted into the third vertical through hole. The mounting plate 2 is provided with a fourth vertical through hole corresponding to the position of the vertical adjusting mechanism 4, and the fourth vertical through hole is located on both sides of the track 5. The two ends of the U-shaped screw 41 are inserted into the fourth vertical through hole upward. In some embodiments, as shown in Figure 2 The mounting plate 2 is a rectangular plate, and the horizontal adjusting mechanism 3 and the vertical adjusting mechanism 4 are arranged within the range of the mounting plate 2. The shape and geometric size of the mounting plate 2 can be determined according to the arrangement range of the horizontal adjusting mechanism 3 and the vertical adjusting mechanism 4.

[0041] The position of each nut can also be provided with a gasket, such as between the inner side of the first fastening nut 35 and the longitudinal plate of the lateral buckle 32, between the top of the adjusting limiting nut 45 and the support plate 43, and between the bottom of the second fastening nut 44 and the pressing plate 42.

[0042] The bidirectional adjusting rail fastener has adjusting functions in two directions:

[0043] 1. Horizontal adjustment:

[0044] The horizontal adjustment is realized by the horizontal adjusting mechanism 3. The lateral buckle 32 at both ends of the horizontal screw rod 31 clamps the rail 5 in the middle, and by adjusting the positions of the first anti-loosening nut 34 and the first fastening nut 35 at both ends, the lateral buckle 32 can be moved, thereby horizontally adjusting the rail 5.

[0045] 2. Vertical adjustment:

[0046] The vertical adjustment is realized by the vertical adjusting mechanism 4. By adjusting the limiting nut 45, the second anti-loosening nut 46, and the second fastening nut 44, the height of the pressing plate 42 and the support plate 43 can be adjusted, thereby vertically adjusting the rail 5.

[0047] The anti-loosening nuts used in the utility model are all existing commonly used anti-loosening nut structures, which prevent the nuts from loosening due to vibration during train operation, especially the second anti-loosening nut 46, which prevents the nuts from loosening due to vibration and thereby causing the rail 5 to sink, affecting the safety of train travel.

[0048] During construction:

[0049] The vertical pipe 33 is fixed by being twice pre-buried in the reserved hole of the lower foundation 1 with TD-type spike anchoring agent, the reserved hole size is 140*140mm, the reserved hole depth is 300mm, the horizontal support pre-buried depth is 230mm, the horizontal screw rod 31 adopts a 20Gr-M33*2 double-end bolt, and the horizontal adjustment adjusting amount is ±20mm.

[0050] The U-shaped screw rod 41 is fixed by being twice pre-buried in the reserved hole with TD-type spike anchoring agent, the reserved hole is designed as an inverted trapezoidal structure, the hole size is 360mm (horizontal rail direction)*150mm (vertical rail direction) notch, the reserved hole depth is 300mm, the U-shaped screw rod 41 pre-buried depth is 230mm, the U-shaped screw rod 41 top two sides adopt 40Gr-M33 bolts, and the upward and downward adjustment amounts are both >20mm.

[0051] The top of the lower foundation 1 is also provided with a mounting plate 2, which is made of a steel plate and has an outer dimension of 350*480 mm according to the fastener structure and the distance between each group of fasteners, and is designed as follows: long 350* wide 480 mm (the maximum outer dimension of each group of fasteners is: long 330* wide 460 mm). When the mounting plate 2 is installed, precise measuring equipment needs to be used for measurement control to ensure that the top surface of the mounting plate 2 is flush with the top surface of the fastener installation platform, and the deviation of any point on the mounting plate 2 in the elevation direction relative to the theoretically designed height is not greater than 2 mm; in the horizontal direction, the deviation of the mounting plate 2 relative to the central axis is not greater than 2 mm. The mounting plate 2 needs to be installed in place before the foundation beam is banded with steel bars, and attention should be paid to staggering the reserved hole positions (U-shaped screw rod 41 installation hole position and square tube 33 installation hole position) of the mounting plate 2 when the steel bars are banded.

[0052] Preferably, the fastener embedded parts should be positioned and embedded in advance before the lower foundation 1 is poured, and the lower foundation 1 can be poured only after the requirements are met. During the pouring process, the fastener embedded parts should be avoided from being collided.

[0053] The utility model has the following technical advantages:

[0054] 1. In the structure of the utility model, the horizontal adjusting mechanism 3 is fixed in the lower foundation 1 through the positioning pipe 33, and the vertical adjusting mechanism 4 is fixed in the lower foundation 1 through the U-shaped screw rod 41. The horizontal adjusting mechanism 3 provides horizontal positioning and adjustment for the track 5 in the transverse direction, and the vertical adjusting mechanism 4 provides vertical positioning and adjustment for the track 5. This avoids the displacement of the track in the horizontal or vertical direction due to vibration during the operation of the train and provides adjustment function, thereby ensuring the safety of the train running and facilitating the adjustment and homing after displacement.

[0055] 2. The vertical adjusting mechanism 4 is anchored in the lower foundation 1 through the U-shaped screw rod 41, which increases the anchoring force between the vertical adjusting mechanism 4 and the lower foundation 1 and improves the tensile resistance of the vertical adjusting mechanism 4. The vertical adjusting mechanism 4 is more stable during the operation of the train and is not prone to looseness, thereby improving the service life of the track.

[0056] 3. The U-shaped screw rod 41 of the utility model can absorb vibration to a certain extent and reduce the influence of vibration caused by the running of the train or other mechanical movements on the connecting point.

[0057] 4. In the structure of the utility model, because there is a protrusion on the pressing plate 42, a fulcrum is formed. When the second fastening nut 44 is locked to the pressing plate 42, the downward pressure makes the inclined surface part just press on the track 5, thereby preventing the track 5 from shaking.

[0058] The above describes the utility model by using specific examples, which is only used to help understand the utility model and does not limit the utility model. According to the idea of the utility model, those skilled in the art of the utility model can make some simple deductions, modifications or substitutions.

Claims

1. A bidirectional adjusting rail fastener, characterized in that: the bidirectional adjusting rail fastener comprises a horizontal adjusting mechanism (3) and a vertical adjusting mechanism (4); the horizontal adjusting mechanism (3) comprises a horizontal screw rod (31), a lateral fastener seat (32) and a positioning tube (33); the positioning tube (33) is vertically arranged, with the lower part being located in a lower base (1) and the upper part being exposed and having a first transverse through hole; the lateral fastener seat (32) is located on both sides of a rail (5) in the transverse direction; the horizontal screw rod (31) is transversely inserted into the lateral fastener seat (32) and the first transverse through hole, and both ends are fixed by a first fastening nut (35); the vertical adjusting mechanism (4) comprises a U-shaped screw rod (41), a pressing plate (42) and a support plate (43); the U-shaped screw rod (41) has a U-shaped opening facing upward, with the lower part being located in the lower base (1) and the upper part being exposed and located on both sides of the rail (5) in the transverse direction; the support plate (43) is located at the bottom of the rail (5) and has first vertical through holes on both sides; the pressing plate (42) is located above the support plate (43) and covers the top surface of the bottom of the rail (5) on the inner side, with the outer side having second vertical through holes; both ends of the U-shaped screw rod (41) are upwardly inserted into the first vertical through holes and the second vertical through holes and are fixed by a second fastening nut (44).

2. The bidirectional adjusting rail fastener according to claim 1, characterized in that: the horizontal adjusting mechanism (3) and the vertical adjusting mechanism (4) are longitudinally arranged in front and back.

3. The bidirectional adjusting rail fastener according to claim 2, characterized in that: a mounting plate (2) is arranged below the support plate (43), and the mounting plate is located on the top surface of the lower base (1).

4. The bidirectional adjusting rail fastener according to claim 3, characterized in that: the mounting plate (2) is provided with third vertical through holes corresponding to the positions of the horizontal adjusting mechanism (3), and the third vertical through holes are located below the rail (5); the upper part of the positioning tube (33) is inserted into the third vertical through holes; the mounting plate (2) is provided with fourth vertical through holes corresponding to the positions of the vertical adjusting mechanism (4), and the fourth vertical through holes are located on both sides of the rail (5); both ends of the U-shaped screw rod (41) are upwardly inserted into the fourth vertical through holes.

5. The bidirectional adjusting rail fastener according to claim 4, characterized in that: both ends of the horizontal screw rod (31) are further provided with first lock nuts (34), and the first lock nuts (34) are located on the outer side of the first fastening nut (35).

6. The bidirectional adjusting rail fastener according to claim 5, characterized in that: both ends of the U-shaped screw rod (41) are further provided with adjusting limit nuts (45), and the adjusting limit nuts (45) are located between the mounting plate (2) and the support plate (43).

7. The bidirectional adjusting rail fastener according to claim 6, characterized in that: The U-shaped screw (41) is further provided with a second lock nut (46) between the adjusting limiting nut (45) and the mounting plate (2).

8. The bidirectional adjustable rail fastener according to claim 7, characterized in that: The horizontal section of the lateral fastener (32) is U-shaped, including a longitudinal plate and two lateral plates, the longitudinal plate is located outside the lateral of the rail (5), and the lateral plates are located outside the longitudinal plate.

9. The bidirectional adjustable rail fastener according to claim 8, characterized in that: The longitudinal plate is provided with a second lateral through hole, and the horizontal screw (31) is inserted into the second lateral through hole.

10. The bidirectional adjustable rail fastener according to claim 9, characterized in that: The inner bottom of the pressing plate (42) is inclined and covers the top surface of the bottom of the rail (5), and the outer bottom of the pressing plate (42) is provided with a protrusion and is in contact with the support plate (43).

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