Track base plate for fixing track

Abstract

The utility model relates to the technical field of track installation accessories, and discloses a track base plate for fixing a track, which comprises a base plate, the middle of the base plate is used for placing the track, a plurality of track fixing pieces are arranged on two sides of the base plate along the extending direction of the track, and each track fixing piece comprises a base. A locking mechanism is arranged between the pressing block and the base, an elastic strip seat is arranged on the side, close to the track, of the top face of the pressing block, an elastic strip is arranged in the elastic strip seat, the side, facing the track, of the elastic strip makes contact with the upper portion of the bottom edge of the track, and the inner side edge of the pressing block makes contact with the side edge of the track. According to the rail fixing device, due to the arrangement of the rail fixing piece, the pressing block can tightly abut against the side edge of the rail under the action of the locking mechanism, the elastic strip makes contact with the upper portion of the bottom edge of the rail, the rail is fixed in multiple directions, displacement and looseness of the rail in the train running process are effectively prevented, and the stability and safety of the rail are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of track mounting accessories, in particular to a track base plate for fixing track. BACKGROUND

[0002] In the track system, the track base plate plays a crucial role, it not only supports the weight of the track, but also ensures the stability and safety of the track. The traditional track base plate has some shortcomings in fixing the track. For example, the fixing method of some track base plates is not firm enough, under the action of long-term vibration and impact force generated by train operation, the track is prone to displacement and loosening, which will seriously affect the safety of train operation, increase the cost and frequency of track maintenance. Some track base plates have poor shock absorption performance, which cannot effectively buffer the vibration generated during train operation, resulting in shortening of the service life of the track and the base plate itself, and also causing great noise pollution to the surrounding environment.

[0003] Chinese patent CN215441224U discloses a track base plate for fixing track, which comprises a base plate, a plurality of locking assemblies for fixing track are arranged on the upper surface of the base plate on both sides of the track, the locking assembly comprises a base, a locking bolt, a pressing plate, a locking nut and a buffer tongue, the base is fixedly connected to the upper end face of the base plate, the base is provided with a mounting slot for inserting the locking bolt, the pressing plate is arranged on the side of the base away from the base plate, the pressing plate is provided with a locking hole, the locking bolt passes through the locking hole, the locking nut is threadedly connected to the side of the locking bolt away from the base plate, and the buffer tongue is installed on the end of the pressing plate facing the base plate. The patent has the effects of fixing the track and improving the stability of the crane running on the track.

[0004] However, the above-mentioned technical solution adopts a split structure for the locking assembly to limit the transverse and longitudinal vibration of the track, which increases the complexity of operation and is not simple enough. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A track base plate for fixing track, comprising a base plate, the middle part of the base plate is used for placing the track, and a plurality of track fixing pieces are arranged on both sides of the base plate along the extension direction of the track, the track fixing piece comprises a base, a pressing block is slidably arranged on the base, a locking mechanism is arranged between the pressing block and the base, a spring strip seat is arranged on one side of the top surface of the pressing block close to the track, a spring strip is arranged in the spring strip seat, one side of the spring strip facing the track is in contact with the upper part of the bottom edge of the track, and the inner side edge of the pressing block is in contact with the side edge of the track.

[0007] As preferred, the base comprises a bottom plate fixedly connected with the base plate, the bottom plate is vertically provided with a longitudinal plate one symmetrically on both sides of the track, the opposite side of the two longitudinal plates one is provided with a sliding groove, the end of the two longitudinal plates away from the track is closed with a longitudinal plate two, the longitudinal plate two is vertically provided with the bottom plate, the central position of the longitudinal plate two is provided with a through hole, and the through hole is coaxially welded with an adjusting nut.

[0008] As preferred, the pressing block comprises a square tube body, the tube body is provided with a stop plate at one end close to the track, the tube body is provided with a sliding strip on the front and rear sides, the sliding strip is slid in the corresponding sliding groove, and the end of the tube body away from the track is closed.

[0009] As preferred, the locking mechanism comprises a screw rod, the outward end of the screw rod is provided with a handle, the other end of the screw rod passes through the through hole and is screw-connected in the adjusting nut, the inward end of the screw rod is in contact with the outward end of the tube body, and the locking nut is arranged on the screw rod and located outside the longitudinal plate two.

[0010] As preferred, the tube body is fixedly provided with a resonance block.

[0011] As preferred, the end of the elastic strip in contact with the track comprises a rubber sleeve.

[0012] As preferred, the side of the stop plate in contact with the track is provided with a rubber pad.

[0013] As preferred, the middle part of the base plate is provided with an embedded groove, and the bottom of the embedded groove is provided with a damping layer.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Through the arrangement of the track fixing piece, the pressing block can tightly abut against the side of the track under the action of the locking mechanism, the elastic strip is in contact with the upper part of the bottom of the track, the track is fixed from multiple directions, the displacement and loosening of the track in the train running process are effectively prevented, and the stability and safety of the track are improved.

[0016] The damping layer at the bottom of the embedded groove in the middle part of the base plate can buffer the impact force in the vertical direction generated when the train runs, the resonance block in the tube body can absorb and disperse vibration energy, the rubber sleeve at the end of the elastic strip in contact with the track and the rubber pad at the side of the stop plate in contact with the track can also play a certain damping and buffering role, so that the wear of the track and the base plate itself is reduced, the service life is prolonged, and the noise generated when the train runs is reduced.

[0017] The handle on the rotating screw can adjust the position of the pressing block on the base, so as to change the pressure on the track, so as to adapt to the requirements of different working conditions and track parameters, and after the position is adjusted, the screw rod can be fixed through the locking nut, so that the stability of the track is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Fig. 2 It is a top view of the track fixing part of the utility model;

[0020] Fig. 3 It is a schematic diagram of the base structure of the utility model.

[0021] In the drawing: 1, base plate; 11, embedded groove; 12, shock absorbing layer; 2, track fixing part; 21, base; 211, bottom plate; 212, longitudinal plate one; 213, sliding groove; 214, longitudinal plate two; 215, through hole; 216, adjusting nut; 22, pressing block; 221, square tube body; 222, abutting plate; 223, sliding bar; 224, resonant block; 225, rubber pad; 23, locking mechanism; 231, screw rod; 232, handle; 233, locking nut; 24, elastic strip seat; 25, elastic strip; 251, rubber sleeve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it should be pointed out that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "sleeve / interface", "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances. Embodiment

[0025] As Figs. 1-3 The utility model provides a track backing plate for fixed track, including backing plate 1, the middle part of backing plate 1 is used for placing track, and a plurality of track fasteners 2 are arranged on the both sides of backing plate 1 along the direction of track extension.

[0026] The track fastener 2 includes a base 21, a pressing block 22 is slidably arranged on the base 21, and a locking mechanism 23 is arranged between the pressing block 22 and the base 21.

[0027] Further, the base 21 includes a bottom plate 211, the bottom plate 211 is fixedly connected with the backing plate 1, and two longitudinal plates one 212 are vertically arranged on the both sides of the bottom plate 211 perpendicular to the track.

[0028] The pressing block 22 includes a square tube body 221, an abutting plate 222 is arranged on one end of the tube body 221 close to the track, slide strips 223 are arranged on the front and back sides of the tube body 221, the slide strips 223 are slid in the corresponding slide grooves 213 respectively, and one end of the tube body 221 away from the track is closed.

[0029] The locking mechanism 23 includes a screw rod 231, a handle 232 is arranged on one end of the screw rod 231 away from the track, the other end of the screw rod 231 penetrates through the through hole 215 and is threadedly connected in the adjusting nut 216, one end of the screw rod 231 close to the track is in contact with one end of the tube body 221 away from the track, and a locking nut 233 is arranged on the screw rod 231 and located outside the longitudinal plate two 214.

[0030] The pipe body 221 is internally fixed with a resonance block 224.

[0031] The middle part of the base plate 1 is provided with an embedded groove 11, and the bottom of the embedded groove 11 is provided with a damping layer 12.

[0032] The working principle of the above technical solution is as follows:

[0033] In use, first, the base plate 1 is placed on the pre-laid foundation to ensure the levelness and stability of the base plate 1.

[0034] Secondly, the track is placed in the embedded groove 11 in the middle part of the base plate 1.

[0035] Thirdly, the handle 232 on the screw rod 231 is rotated, the screw rod 231 is rotated in the adjusting nut 216, the pressing block 22 is pushed to slide on the base 21 along the sliding groove 213, the pressure of the pressing block 22 on the side edge of the track is changed, the elastic strip 25 is pressed towards the upper part of the bottom edge of the track, and when the appropriate pressure is adjusted, the locking nut 233 is tightened to fix the screw rod 231 and prevent it from loosening, so that the track is limited in the horizontal and vertical directions.

[0036] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any person skilled in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A track bolster for securing a track, characterized by: The utility model provides a rail fixing device, including the backing plate (1), the middle part of backing plate (1) is used for placing the track, and the two sides of backing plate (1) are provided with a plurality of track fixing pieces (2) along the track extension direction, track fixing piece (2) includes base (21), and the base (21) is provided with the pressing block (22) slidingly, and the pressing block (22) is provided with locking mechanism (23) between base (21), the top surface of pressing block (22) is provided with elastic strip seat (24) near one side of track, and elastic strip seat (24) is provided with elastic strip (25) in, and the side of elastic strip (25) towards track is in contact with the upper portion of track bottom edge, and the inner side of pressing block (22) is in contact with the side of track.

2. A rail base plate for securing a rail according to claim 1, characterized in that: The base (21) includes a bottom plate (211) fixedly connected with the backing plate (1), and the bottom plate (211) is vertically provided with two longitudinal plates (212) on the two sides perpendicular to the track, the opposite sides of the two longitudinal plates (212) are provided with sliding grooves (213), and the ends of the two longitudinal plates (212) away from the track are closedly provided with longitudinal plates (214) perpendicular to the bottom plate (211), and the central positions of the longitudinal plates (214) are provided with through holes (215), and the through holes (215) are coaxially welded with adjusting nuts (216).

3. A track bolster for a fixed track as claimed in claim 2, characterised in that: The pressing block (22) includes a square tube body (221), one end of the tube body (221) near the track is provided with a stop plate (222), and the front and rear sides of the tube body (221) are provided with sliding strips (223), the sliding strips (223) are slidingly arranged in the corresponding sliding grooves (213), and the end of the tube body (221) away from the track is closed.

4. A rail base plate for securing a rail according to claim 3, characterised in that: The locking mechanism (23) includes a screw rod (231), one end of the screw rod (231) away from the track is provided with a handle (232), the other end of the screw rod (231) passes through the through hole (215) and is screw-connected in the adjusting nut (216), the end of the screw rod (231) near the track is in contact with the end of the tube body (221) away from the track, and the locking nuts (233) are arranged on the screw rod (231) and outside the longitudinal plate (214).

5. A rail base plate for securing a rail according to claim 3, characterized in that: The tube body (221) is fixedly provided with a resonance block (224).

6. A rail base plate for securing a rail according to claim 1, characterized in that: One end of the elastic strip (25) in contact with the track is provided with a rubber sleeve (251).

7. A rail base plate for securing a rail according to claim 3, characterized in that: One side of the stop plate (222) in contact with the track is provided with a rubber pad (225).

8. A rail base plate for securing a rail according to claim 1, characterized in that: The middle part of the backing plate (1) is provided with an embedded groove (11), and the bottom of the embedded groove (11) is provided with a shock-absorbing layer (12).

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