Cross beam steel rail connecting fastener

Abstract

The utility model relates to the technical field of steel rail fasteners, in particular to a cross beam steel rail connecting fastener, which comprises a steel rail connecting mechanism, a steel rail connecting mechanism and a steel rail connecting mechanism, the two sets of second L-shaped grooves are formed in the positions, located at the two ends, of the outer wall of the soft pillow correspondingly; the two fastener mechanisms are connected to the two ends of the soft pillow in a clamped mode respectively, and each fastener mechanism comprises a base; and the one-way limiting mechanism is fixed on the fastener mechanism and can limit the bolt. According to the utility model, the L-shaped frame I on the base is matched with the L-shaped groove I of the soft pillow, and the L-shaped frame III is matched with the L-shaped groove II of the soft pillow, so that the base and the elastic strip are limited in the horizontal and vertical directions, the vibration and complex load generated by the operation of a train are effectively resisted, the fastener is prevented from displacing in long-term use, the connection stability is enhanced, and the service life of the fastener is prolonged. And the installation is fast and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail fastener technical field, concretely is a crossbeam rail connecting fastener. BACKGROUND

[0002] In railway engineering and related track application scene, crossbeam rail connecting fastener plays a vital role. At present, the traditional crossbeam rail connecting fastener has some deficiencies in the actual use process. On the one hand, the connection stability is insufficient, under the long-term high-speed operation of train, frequent vibration and complex load effect, the screw on the fastener is prone to loosening phenomenon, which affects the smoothness and safety of track. On the other hand, the installation and dismounting process of part of the fastener structure is cumbersome, which consumes a lot of manpower and time, which is particularly prominent in track maintenance and overhaul, reduces the work efficiency and increases the operation cost.

[0003] At the same time, with the growth of railway transportation demand, the train load is increasing, and the performance requirement of the fastener is also higher and higher. The existing elastic strip is subjected to alternating load when coping with severe working conditions such as heavy load and high frequency operation. The bending part becomes a high fatigue area due to stress concentration. Long-term repeated high stress effect can gradually damage the internal structure of the material at the bending part of the elastic strip, shortening the service life of the elastic strip. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a crossbeam rail connecting fastener to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A crossbeam rail connecting fastener, comprising:

[0007] The rail connecting mechanism comprises a soft pillow, and L-shaped grooves one are formed at both ends of the outer wall of the soft pillow;

[0008] Two groups of L-shaped grooves two are formed at both ends of the outer wall of the soft pillow;

[0009] The fastener mechanism is provided with two groups, which are respectively clamped at both ends of the soft pillow, and the fastener mechanism comprises a base;

[0010] The one-way limiting mechanism is fixed on the fastener mechanism and can limit the bolt.

[0011] Further, the fastener mechanism comprises:

[0012] The square hole one is formed on the outer wall of the base, the L-shaped frame one is slidably inserted into the square hole one, and the outer wall of the L-shaped frame one is inserted into the L-shaped groove one.

[0013] Preferably, the fastener mechanism comprises:

[0014] Square groove one, set up in the base outer wall at one end;

[0015] H-shaped frame, one end is inserted into the square groove one, and the other end of the H-shaped frame is fixedly connected with the arc-shaped frame one at both sides;

[0016] Arc-shaped frame two, provided with two, fixed at both ends of the arc-shaped frame one, and the elastic strip is clamped between the four arc-shaped frame two.

[0017] Preferably, the fastener mechanism comprises:

[0018] Square hole two, provided with a group, set up on the outer wall of one end of the base;

[0019] Slide rail, provided with two, fixed on the outer wall of both sides of the H-shaped frame, the L-shaped frame three is slidably inserted into the slide rail, and the L-shaped frame three is inserted and matched with the L-shaped groove two.

[0020] Preferably, the fastener mechanism comprises:

[0021] L-shaped frame two, one end is slidably connected with the L-shaped groove one;

[0022] U-shaped frame, fixed to one end of the L-shaped frame two, and the outer wall of both ends of the U-shaped frame is slidably connected with the L-shaped groove two.

[0023] Preferably, the one-way limiting mechanism comprises:

[0024] L-shaped groove three, set up on the outer wall of the L-shaped frame two;

[0025] Round hole, set up on the outer wall of the L-shaped frame two at one side of the L-shaped groove three, and communicated with the L-shaped groove three;

[0026] Ring frame, rotates in the round hole, the screw is slidably inserted into the ring frame, and a plurality of square grooves two are formed at equal angles on the outer wall of the ring frame.

[0027] Preferably, the one-way limiting mechanism comprises:

[0028] L-shaped frame four, slidably in the L-shaped groove three, and the square plate is fixedly connected with one end of the L-shaped frame four;

[0029] Spring, fixed between the outer wall of the L-shaped frame four and the inner wall of the L-shaped groove three.

[0030] Compared with the prior art, the utility model has the advantages that:

[0031] 1. By setting up with arc frame one and arc frame two can replace the limit of the elastic strip by screw, at the same time, a group of arc frame two and the curved part of the elastic strip on both sides contact, change the stress distribution of the curved part of the elastic strip, the stress originally concentrated in the curved part is dispersed, when the elastic strip bears alternating load, the stress state of the curved part is improved, the risk of fatigue damage is reduced, the stability and service life of the whole elastic strip are improved, further guarantee the reliability of the fastener connection.

[0032] 2. By the cooperation of L-shaped frame one on the base and L-shaped slot one of the soft pillow, and the cooperation of L-shaped frame three and L-shaped slot two of the soft pillow, the base and the elastic strip are limited in horizontal and vertical directions, effectively resist the vibration and complex load generated by train running, prevent the displacement of the fastener in long-term use, enhance the stability of the connection, and the installation is quick and convenient.

[0033] 3. By using the bolt to pass through the ring frame and fix the soft pillow, the one-way limiting function of the ring frame effectively avoids the loosening of the bolt, ensures that the fastener always maintains a fastened state under the long-term high-speed running and frequent vibration of the train, greatly improves the smoothness and safety of the track. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is the overall structure schematic diagram of the utility model;

[0035] Figure 2 It is the local structure schematic diagram of the soft pillow in the utility model;

[0036] Figure 3 It is the structure schematic diagram of the fastener mechanism in the utility model;

[0037] Figure 4 It is the structure schematic diagram of the base in the utility model;

[0038] Figure 5 It is the structure schematic diagram of L-shaped frame two in the utility model;

[0039] Figure 6 It is the structure schematic diagram of the elastic strip in the utility model.

[0040] In the drawing: 100, rail connecting mechanism; 110, soft pillow; 111, L-shaped slot one; 112, L-shaped slot two; 200, fastener mechanism; 210, base; 211, square hole one; 212, L-shaped frame one; 214, square groove one; 215, square hole two; 220, L-shaped frame two; 221, U-shaped frame; 231, sliding rail; 232, L-shaped frame three; 233, H-shaped frame; 234, arc frame one; 235, arc frame two; 240, elastic strip; 300, one-way limiting mechanism; 310, L-shaped slot three; 311, L-shaped frame four; 312, spring; 313, round hole; 314, ring frame; 315, square groove two; 316, square plate. DETAILED DESCRIPTION

[0041] 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, rather than 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 the utility model.

[0042] Please refer to Figures 1-6 In the embodiments of the utility model, a cross beam rail connecting fastener comprises a rail connecting mechanism 100, which comprises a soft pillow 110 and is provided with L-shaped grooves one 111 at both ends of the outer wall of the soft pillow 110, two groups of L-shaped grooves two 112 are arranged at both ends of the outer wall of the soft pillow 110, a fastener mechanism 200 is arranged at both ends of the soft pillow 110 and comprises a base 210, a one-way limiting mechanism 300 is fixed to the fastener mechanism 200 and can limit the bolt, the fastener mechanism 200 comprises: a square groove one 214 is arranged at one end of the outer wall of the base 210, an H-shaped frame 233 is inserted into the square groove one 214 and is fixedly connected with arc-shaped frames one 234 at the other end of the H-shaped frame 233, two arc-shaped frames two 235 are arranged at both ends of the arc-shaped frame one 234, and elastic strips 240 are arranged between the four arc-shaped frames two 235, and the arc-shaped frames one 234 and the arc-shaped frames two 235 can replace the bolts to limit the elastic strips 240.

[0043] The fastener mechanism 200 comprises: a square hole one 211 is arranged on the outer wall of the base 210 and is slidably connected with an L-shaped frame one 212, the outer wall of the L-shaped frame one 212 is connected with the L-shaped groove one 111, a square hole two 215 is arranged on one end of the outer wall of the base 210, two slide rails 231 are arranged on the outer walls of both sides of the H-shaped frame 233 and are slidably connected with L-shaped frames three 232, one end of an L-shaped frame two 220 is slidably connected with the L-shaped groove one 111 and is fixedly connected with a U-shaped frame 221, the outer walls of both ends of the U-shaped frame 221 are slidably connected with the L-shaped grooves two 112, the L-shaped frame one 212 on the base 210 is connected with the L-shaped groove one 111 of the soft pillow 110, and the L-shaped frame three 232 is connected with the L-shaped groove two 112 of the soft pillow 110, so that the base 210 and the elastic strips 240 are limited in the horizontal and vertical directions.

[0044] The one-way limiting mechanism 300 comprises: an L-shaped slot three 310 formed on the outer wall of the L-shaped frame two 220, a circular hole 313 formed on the outer wall of the L-shaped frame two 220 and located at one side of the L-shaped slot three 310 and communicated with the inside of the L-shaped slot three 310, a ring frame 314 rotating in the circular hole 313 and a bolt slidingly inserted into the inside of the ring frame 314, a plurality of square grooves two 315 equiangularly formed on the outer wall of the ring frame 314, an L-shaped frame four 311 sliding in the L-shaped slot three 310 and one end of the L-shaped frame four 311 fixedly connected with a square plate 316, and springs 312 fixed between the outer wall of the L-shaped frame four 311 and the inner wall of the L-shaped slot three 310, and the bolt is fixed by penetrating through the ring frame 314 and the soft pillow 110, and the one-way limiting function of the ring frame 314 effectively avoids loosening of the bolt.

[0045] Specifically, during work, when the fastener mechanism 200 is installed, the elastic pad is placed on the soft pillow 110, and then the base 210 is placed on the elastic pad, at this time, the L-shaped frame one 212 falls into the L-shaped slot one 111 of the soft pillow 110, and the base 210 is preliminarily positioned on the soft pillow 110, then the H-shaped frame 233 is inserted into the middle of the elastic strip 240, the arc-shaped frame one 234 is in contact with the outer wall of the elastic strip 240, and the two groups of arc-shaped frame two 235 are respectively clamped with the two sides of the outer wall of the curved structure at both ends of the elastic strip 240, the bottom of the H-shaped frame 233 is inserted into the square groove one 214, and the L-shaped frame three 232 in the sliding rail 231 on both sides of the H-shaped frame 233 is inserted into the L-shaped slot two 112 on the soft pillow 110, then the upper part of the H-shaped frame 233 is pressed, one end of the elastic strip 240 is tightly attached to the rail, the one end of the L-shaped frame two 220 is inserted into the square hole one 211, and the U-shaped frame 221 is inserted into the square hole two 215, at this time, the L-shaped frame one 212 and the L-shaped frame three 232 are respectively clamped with the corresponding L-shaped slot one 111 and L-shaped slot two 112, and the base 210 and the elastic strip 240 are positioned, finally, the bolt penetrates through the ring frame 314 on the L-shaped frame two 220, the outer wall of the bolt is provided with a sliding groove, the inside of the ring frame 314 is provided with a protrusion, the ring frame 314 and the bolt are slidingly inserted, the L-shaped frame two 220 and the base 210 are firmly fixed by twisting the bolt, the installation process of the entire fastener is completed, one end of the L-shaped frame four 311 in contact with the square groove two 315 is provided with an inclined block, the ring frame 314 has a one-way limiting function, after the bolt is tightened, the ring frame 314 can prevent the bolt from loosening due to vibration caused by train running, and the stability of the fastener connection is ensured, when the fastener needs to be disassembled, the one-way limiting of the ring frame 314 on the bolt can be released by pushing the L-shaped frame four 311, the bolt is conveniently and quickly screwed out, and then the L-shaped frame two 220 is removed, and the disassembly of the fastener is completed.

[0046] Embodiment one

[0047] As Figure 6As shown, in this embodiment, the fastener mechanism 200 comprises: a square slot one 214 is opened on the outer wall of the base 210 at one end, an H-shaped frame 233 is inserted into the interior of the square slot one 214 at one end, and the other end of the H-shaped frame 233 is fixedly connected with an arc-shaped frame one 234 at both sides. An arc-shaped frame two 235 is provided with two and is fixed at both ends of the arc-shaped frame one 234, respectively, and four arc-shaped frame two 235s are clamped with elastic strips 240.

[0048] In this embodiment, by inserting the H-shaped frame 233 into the middle of the elastic strip 240, the arc-shaped frame one 234 is in contact with the outer wall of the elastic strip 240, and the two groups of arc-shaped frame two 235s are clamped with the outer walls of the two sides of the curved structure at both ends of the elastic strip 240. By providing the arc-shaped frame one 234 and the arc-shaped frame two 235, the elastic strip 240 can be replaced by the screw limiting. At the same time, one group of arc-shaped frame two 235s are in contact with both sides of the curved part of the elastic strip 240, changing the stress distribution of the curved part of the elastic strip 240, dispersing the stress originally concentrated in the curved part, improving the stress state of the curved part of the elastic strip 240 when bearing alternating load, reducing the risk of fatigue damage, improving the overall stability and service life of the elastic strip 240, and further ensuring the reliability of the fastener connection.

[0049] As shown, Figures 2-6 In this embodiment, the fastener mechanism 200 comprises: a square hole one 211 is opened on the outer wall of the base 210 and an L-shaped frame one 212 is slidingly inserted into the interior of the square hole one 211, the outer wall of the L-shaped frame one 212 is inserted and matched with the interior of the L-shaped slot one 111, a square hole two 215 is provided with a group and is opened on the outer wall of one end of the base 210, a sliding rail 231 is provided with two and is fixed on the outer walls of both sides of the H-shaped frame 233, respectively, and the L-shaped frame three 232 is slidingly inserted into the interior of the sliding rail 231, the outer wall of the L-shaped frame three 232 is inserted and matched with the interior of the L-shaped slot two 112, one end of the L-shaped frame two 220 is slidingly connected with the interior of the L-shaped slot one 111, and a U-shaped frame 221 is fixed at one end of the L-shaped frame two 220. The outer walls of both ends of the U-shaped frame 221 are slidingly connected with the interiors of the two L-shaped slot two 112s, respectively.

[0050] In specific implementation, when installing the fastener mechanism 200, first place an elastic pad on the soft pillow 110, then place the base 210 on the elastic pad. At this time, part of the L-shaped frame 212 falls into the L-shaped groove 111 of the soft pillow 110, initially achieving the positioning of the base 210 on the soft pillow 110. Next, insert the bottom of the H-shaped frame 233 into the square groove 214, and at the same time, insert the L-shaped frame 232 in the slide rails 231 on both sides of the H-shaped frame 233 into the L-shaped groove 112 on the soft pillow 110. After that, press the top of the H-shaped frame 233 so that one end of the elastic bar 240 is close to the rail, and then insert one end of the L-shaped frame 220 into the square hole 211. L-shaped bracket 221 is inserted into square hole 215. At this time, L-shaped bracket 1 212 and L-shaped bracket 3 232 are respectively engaged with the corresponding L-shaped groove 111 and L-shaped groove 212, limiting the base 210 and elastic bar 240. By the L-shaped bracket 1 212 on the base 210 cooperating with the L-shaped groove 111 of the soft pillow 110, and the L-shaped bracket 3 232 cooperating with the L-shaped groove 212 of the soft pillow 110, the base 210 and elastic bar 240 are limited in the horizontal and vertical directions, effectively resisting the vibration and complex load generated by train operation, preventing the fastener from shifting during long-term use, enhancing the stability of the connection, and making installation quick and convenient.

[0051] Example 2

[0052] like Figure 5 As shown, in this embodiment, the one-way limiting mechanism 300 includes: an L-shaped groove 310 formed on the outer wall of an L-shaped frame 220; a circular hole 313 formed on the outer wall of an L-shaped frame 220 and located on one side of the L-shaped groove 310, communicating with the interior of the L-shaped groove 310; a ring frame 314 rotating inside the circular hole 313 and with a bolt slidably inserted inside the ring frame 314; and several square grooves 315 formed at equal angles on the outer wall of the ring frame 314; an L-shaped frame 311 sliding inside the L-shaped groove 310 and with a square plate 316 fixedly connected to one end of the L-shaped frame 311; and a spring 312 fixed between the outer wall of the L-shaped frame 311 and the inner wall of the L-shaped groove 310.

[0053] In the embodiment, the bolt passes through the ring frame 314 on the L-shaped frame two 220, the outer wall of the bolt is provided with a sliding groove, the ring frame 314 is internally provided with a protrusion, the ring frame 314 is slidingly inserted with the bolt, the L-shaped frame two 220 is firmly fixed with the base 210 by twisting the bolt, the installation process of the whole fastener is completed, the end of the L-shaped frame four 311 in contact with the square groove two 315 is provided with an inclined block, so that the ring frame 314 has a one-way limiting function, after the bolt is tightened, the ring frame 314 can prevent the bolt from loosening due to the vibration generated by the train running, and the stability of the fastener connection is ensured, when the fastener needs to be disassembled, the one-way limiting of the ring frame 314 on the bolt can be released by pushing the L-shaped frame four 311, the bolt is conveniently and quickly screwed out, and then the L-shaped frame two 220 is removed, the disassembly of the fastener is completed, the bolt is fixed by passing through the ring frame 314 and the soft pillow 110, the one-way limiting function of the ring frame 314 effectively avoids the loosening of the bolt, ensures that the fastener always maintains a fastened state under the long-term high-speed running and frequent vibration of the train, and greatly improves the smoothness and safety of the track.

[0054] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they belong.

[0055] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A cross tie rail connection fastener, characterised in that, include: The rail connection mechanism (100) includes a bolster (110), and the outer wall of the bolster (110) has an L-shaped groove (111) at both ends. Two sets of L-shaped grooves (112) are provided, which are respectively opened on the outer wall of the soft pillow (110) at both ends; There are two fastening mechanisms (200), which are respectively fastened to both ends of the soft pillow (110). The fastening mechanism (200) includes a base (210). A one-way limiting mechanism (300) is fixed on the fastener mechanism (200) and can limit the bolt.

2. A cross beam rail coupling fastener according to claim 1, characterised in that, The fastening mechanism (200) includes: A square hole (211) is formed on the outer wall of the base (210). An L-shaped frame (212) is slidably inserted into the square hole (211). The outer wall of the L-shaped frame (212) is inserted into the L-shaped groove (111).

3. A cross beam rail coupling fastener according to claim 2, characterised in that, The fastening mechanism (200) includes: A square groove (214) is formed on the outer wall of the base (210) at one end; H-shaped frame (233), one end of which is inserted into the inside of square groove (214), and the other end of H-shaped frame (233) is fixedly connected to arc-shaped frame (234) on both sides. There are two arc-shaped frames (235), which are fixed at both ends of the arc-shaped frame (234) respectively, and the four arc-shaped frames (235) are connected by elastic strips (240).

4. A cross beam rail coupling fastener according to claim 3, wherein The fastening mechanism (200) includes: Square hole two (215) is provided in a set, which is opened on the outer wall of one end of the base (210); There are two slide rails (231), which are fixed on the outer walls of the two sides of the H-shaped frame (233). The L-shaped frame three (232) is slidably inserted inside the slide rail (231). The outer wall of the L-shaped frame three (232) is inserted into the L-shaped groove two (112).

5. A cross beam rail coupling fastener according to claim 4, characterised in that, The fastening mechanism (200) includes: L-shaped frame two (220) has one end slidably connected to the inside of L-shaped groove one (111); The U-shaped frame (221) is fixed to one end of the L-shaped frame (220), and the outer walls of both ends of the U-shaped frame (221) are slidably connected to the interior of the two L-shaped grooves (112).

6. A cross beam rail coupling fastener according to claim 5, wherein, The one-way limit mechanism (300) includes: L-shaped groove three (310) is opened on the outer wall of L-shaped frame two (220); A round hole (313) is provided on the outer wall of L-shaped frame two (220) on one side of L-shaped groove three (310) and communicates with the interior of L-shaped groove three (310); The ring frame (314) rotates inside the round hole (313). Bolts are slidably inserted inside the ring frame (314). Several square grooves (315) are opened at equal angles on the outer wall of the ring frame (314).

7. A cross beam rail coupling fastener according to claim 6, characterised in that, The one-way limit mechanism (300) includes: L-shaped frame four (311) slides inside L-shaped groove three (310), and a square plate (316) is fixedly connected to one end of L-shaped frame four (311). Spring (312) is fixed between the outer wall of L-shaped frame four (311) and the inner wall of L-shaped groove three (310).

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