Magnetic suspension fastener system suitable for telescopic area

Abstract

The utility model discloses a magnetic suspension fastener system suitable for a telescopic area, which comprises an iron backing plate, a height adjusting backing plate, anchor bolts arranged on two sides of an H-shaped steel sleeper, fastening nuts corresponding to the anchor bolts, and a distance adjusting pinch plate, each anchor bolt is in an inverted T shape, and the lower part of each anchor bolt is embedded in a rail bearing table; the H-shaped steel sleeper comprises a first main body, a second main body and a third main body which are sequentially connected to form an H shape, and the first main body is parallel to the third main body; the lower end of the iron base plate is embedded into the rail bearing table, a limiting part located above the third plate body is horizontally and convexly arranged on the side, close to the H-shaped steel sleeper, of each distance adjusting buckle plate, the upper end of each anchor bolt is convexly arranged on the rail bearing table and sequentially penetrates through the iron base plate and the height adjusting base plate from bottom to top, and one distance adjusting buckle plate is connected with each fastening screw; the height adjusting base plate comprises a first plate body and a second plate body which are in butt joint with each other, through grooves allowing the anchor bolts to penetrate through are formed in the sides, away from each other, of the two plate bodies, and groove openings of the two through grooves deviate from each other. The whole structure is simple, installation is convenient, and adjustment is convenient in the using process.

Description

Technical Field

[0001] The utility model belongs to the technical field of track magnetic levitation fasteners, and in particular relates to a magnetic levitation fastener system suitable for a telescopic zone. Background Art

[0002] At present, the magnetic levitation fasteners used to fix the track structure to the rail support platform in China are mainly divided into two types: elastic non-separable type and elastic separable type. Elastic non-separable fasteners generally directly fix the elastic pad and the height adjustment pad to the lower foundation through anchor bolts, and can only achieve longitudinal and vertical adjustments. Elastic separable fasteners connect the track structure to the lower foundation through two sets of bolts, which can achieve three-dimensional adjustment of the track structure, but there are problems such as complex structure, poor lateral control ability, and difficult operation and maintenance.

[0003] Chinese patent CN 102852056 A provides an elastically split fastener for medium and low speed maglev tracks, which has a large three-dimensional adjustment capability. It is achieved by setting two sets of connecting bolt assemblies with transverse intervals to connect the H-shaped steel and the connecting plate as one, and then connect the connecting plate and the rail support platform as one. It has many parts and a complex structure, which is not easy to install and maintain.

[0004] Chinese patent CN 204551150 U provides a three-dimensional adjustable buckle plate fastener for medium and low speed magnetic levitation systems that can achieve three-dimensional adjustment functions, has reasonable elasticity, and is easy to maintain. Its buckle plate structure is an isosceles trapezoidal flat plate, and a vibration-damping gasket of the same structure is provided under the buckle plate, and a transverse distance adjustment block is provided under the vibration-damping gasket. This structure has many parts, and the longitudinal and transverse distance adjustment is achieved by replacing the transverse distance adjustment block, which is not convenient for adjustment.

[0005] Therefore, a new technology is needed to solve the problem that the magnetic levitation fastener system located in the track expansion zone in the prior art is complex in structure and inconvenient to adjust. Utility Model Content

[0006] In order to solve the above problems in the prior art, the utility model provides a magnetic levitation fastener system suitable for the telescopic zone, which has the effects of simple structure and easy adjustment.

[0007] The utility model adopts the following technical solutions:

[0008] A magnetic levitation fastener system suitable for a telescopic zone, comprising anchor bolts, iron pads, height adjustment pads, fastening nuts corresponding to each of the anchor bolts, and distance adjustment buckle plates arranged on both sides of an H-shaped steel sleeper, wherein the lower portion of each of the anchor bolts is buried inside a rail support platform, and the H-shaped steel sleeper comprises a first main body, a second main body, and a third main body connected in sequence in an H shape, wherein the first main body and the third main body are parallel to each other;

[0009] The iron pad, the height-adjusting pad, and the H-shaped steel sleeper are sequentially arranged above the rail support platform from bottom to top, the lower end of the iron pad is embedded in the rail support platform, each of the distance-adjusting buckle plates is provided with a through hole for the anchor bolt to pass through, and a limiting portion is horizontally protruded on one side close to the H-shaped steel sleeper, the limiting portion is located above the third body and can be abutted and fixed with the third body, and the upper end of each of the anchor bolts sequentially passes through the iron pad, the height-adjusting pad, and a distance-adjusting buckle plate and is fixedly connected to each of the fastening nuts from bottom to top;

[0010] The height-adjusting pad includes a first plate body butted against each other, and a second plate body has through slots on one side away from each other for the anchor bolts to pass through, and the notches of the two corresponding through slots face oppositely and both face the side away from each other.

[0011] As a further improvement of the technical solution of the utility model, it also includes positioning nuts corresponding to each of the anchor bolts, each of the positioning nuts is sleeved outside the corresponding anchor bolt, and each of the positioning nuts is embedded in the rail support platform and located below the iron pad.

[0012] As a further improvement of the technical solution of the utility model, the upper end surface of each positioning nut is abutted and connected with the upper end surface of the iron pad.

[0013] As a further improvement of the technical solution of the utility model, a plurality of bosses arranged at intervals are protruded from the lower surface of the iron pad, and each of the bosses is located between the two positioning nuts.

[0014] As a further improvement of the technical solution of the utility model, the longitudinal section of each boss is trapezoidal, and the horizontal section of each boss gradually decreases from top to bottom.

[0015] As a further improvement of the technical solution of the utility model, the height of the part where the lower end of the iron pad is embedded in the rail support platform is 5 mm.

[0016] As a further improvement of the technical solution of the utility model, it also includes an elastic pad, which is located between the H-shaped steel sleeper and the height-adjusting pad.

[0017] As a further improvement of the technical solution of the utility model, the adjustable distance buckle plate also includes a plate body, the limiting portion is convexly arranged on the upper part of the side of the plate body and is connected to the plate body in an inverted L shape, the plate body is flush with the upper end surface of the limiting portion, and the through hole is arranged on the plate body;

[0018] The third main body and the elastic pad are both located between the two plate main bodies.

[0019] As a further improvement of the technical solution of the utility model, it also includes spring washers corresponding to each of the anchor bolts, and each of the spring washers is located between the correspondingly arranged fastening nut and the distance adjusting buckle plate.

[0020] As a further improvement of the technical solution of the utility model, it also includes a protective cover corresponding to each of the anchor bolts, and each of the protective covers is provided with a groove with an opening facing downward and for the upper end of the anchor bolt to be embedded.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] This solution uses adjustable clasps to clamp H-shaped steel sleepers. It has a simple structure. Under the influence of temperature forces, the H-shaped steel sleeper and the adjustable clasp can move relative to each other along the line direction, realizing the longitudinal expansion and contraction adjustment between the H-shaped steel sleeper and the rail support platform on the horizontal plane of the track row, which is easy to adjust during use. By replacing the adjustable clasp model, the H-shaped steel sleeper can achieve relative movement in a direction perpendicular to the length of the H-shaped steel sleeper, that is, the lateral position adjustment between the H-shaped steel sleeper and the rail support platform on the horizontal plane can be achieved. The setting of the height-adjusting pad can realize the vertical spacing adjustment, and the setting of the through-slot structure on the height-adjusting pad makes it easy to install and replace. In addition, the overall structure of the magnetic levitation fastener system suitable for the expansion zone of this solution is simple and easy to install and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The technology of the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0024] Figure 1 It is a cross-sectional view of the overall structure of the utility model in a direction perpendicular to the horizontal plane;

[0025] Figure 2 It is a horizontal cross-sectional view of the overall structure of the utility model at a certain position of the second body;

[0026] Figure 3 It is a cross-sectional view of the iron pad in a direction perpendicular to the horizontal plane;

[0027] Figure 4 It is a top view of the height adjustment pad;

[0028] Figure 5 It is a cross-sectional view of the adjustable gusset plate in a direction perpendicular to the horizontal plane.

[0029] Reference numerals:

[0030] 1- Anchor bolt;

[0031] 2-Locking nut;

[0032] 3-iron pad; 31-boss;

[0033] 4-height adjustment pad; 41-first plate body; 411-through groove; 412-step surface; 42-second plate body;

[0034] 5-Elastic pad;

[0035] 6-adjustable buckle plate; 61-plate body; 611-through hole; 62-limiting part;

[0036] 7- Spring washer;

[0037] 8- Fasten the nut;

[0038] 9- Protective cover;

[0039] 10-H-type steel sleeper; 101-first body; 102-second body; 103-third body;

[0040] 11- Track support platform. DETAILED DESCRIPTION

[0041] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments in this application can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0042] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or it can be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the accompanying drawings.

[0043] Reference Figures 1 to 5A magnetic levitation fastener system suitable for expansion and contraction zones, used to fix the H-shaped steel sleeper 10 of the rail row on the rail support 11, including anchor bolts 1, iron pads 3, height adjustment pads 4, fastening nuts 8 corresponding to each anchor bolt 1, and distance adjustment buckle plates 6 arranged on both sides of the H-shaped steel sleeper 10. The anchor bolts 1 can preferably be T-bolts. Each anchor bolt 1 is in an inverted T-shape and the lower part is buried inside the rail support 11. The H-shaped steel sleeper 10 includes a first main body 101, a second main body 102, and a third main body 103 connected in sequence in an H shape. The first main body 101 and the third main body 103 are parallel to each other, and the two ends of the second main body 102 are fixedly connected to the first main body 101 and the third main body 103 respectively and are perpendicular to each other. The iron pad 3, the height-adjusting pad 4, and the H-shaped steel sleeper 10 are arranged in sequence above the rail support platform 11 from bottom to top, and the lower end of the iron pad 3 is embedded in the rail support platform 11. Each of the distance-adjusting buckle plates 6 is provided with a through hole 611 for the anchor bolt 1 to pass through, and a limiting portion 62 is horizontally protruded on one side close to the H-shaped steel sleeper 10. The limiting portion 62 is located above the third main body 103 and can be abutted and fixed with the third main body 103. The upper end of each of the anchor bolts 1 passes through the iron pad 3, the height-adjusting pad 4, and a distance-adjusting buckle plate 6 and is fixedly connected to each of the fastening nuts 8 in sequence from bottom to top.

[0044] The height-adjusting pad 4 is arranged on the iron pad 3, and the height-adjusting pad 4 includes a first plate body 41 and a second plate body 42 that are butted against each other, and the sides away from each other are provided with through grooves 411 for the anchor bolt 1 to pass through, and the notches of the two corresponding through grooves 411 face oppositely and face away from each other. Each of the through grooves 411 is door-shaped or arch-shaped, and the height-adjusting pad 4 is divided into two halves along the middle, which is convenient for installation and replacement. When a certain height adjustment amount is required, the vertical position of the H-shaped steel sleeper 10 can be adjusted by removing or adding the height-adjusting pad 4, thereby achieving the adjustment of the vertical distance. Among them, the side where the first plate body 41 and the second plate body 42 are butted against each other is stepped, and the two step surfaces 412 are butted against each other, which can avoid the misalignment of the first main plate body and the second plate body 42.

[0045] This solution uses a distance-adjusting buckle plate 6 to clamp the H-beam sleeper 10, which has a simple structure. Under the influence of temperature force, the H-beam sleeper 10 and the distance-adjusting buckle plate 6 can move relative to each other along the line direction or the length direction of the H-beam sleeper 10, so as to realize the longitudinal expansion and contraction between the rail row and the H-beam sleeper 10, that is, to realize longitudinal adjustment. The distance-adjusting buckle plate 6 has a simple structure and is convenient for longitudinal adjustment during use. The setting of the through groove 411 structure on the height-adjusting pad 4 makes it easy to install and replace. The overall structure of the magnetic levitation fastener system suitable for the expansion zone of this solution is simple and convenient for installation and maintenance. By replacing the model of the distance-adjusting buckle plate 6 and changing the distance between the two limit parts 62, the H-beam sleeper 10 can be made to move relative to each other in a direction perpendicular to the length of the H-beam sleeper 10, that is, to realize lateral adjustment. Therefore, lateral and longitudinal distance adjustment can be achieved through the structural setting of the distance adjusting buckle plate 6 and the replacement of the distance adjusting buckle plate 6 of different sizes. The distance adjusting buckle plate 6 of this scheme has good controllability of lateral adjustment and is particularly suitable for the connection between the H-shaped steel sleeper 10 and the rail support platform 11 in the expansion zone.

[0046] Specifically, the magnetic levitation fastener system suitable for the telescopic zone of the present invention also includes a positioning nut 2 corresponding to each of the anchor bolts 1, and each of the positioning nuts 2 is sleeved on the corresponding anchor bolt 1, and each of the positioning nuts 2 is buried in the rail support platform 11 and located below the iron pad 3.

[0047] Specifically, the upper end surface of each positioning nut 2 is abutted against the upper end surface of the iron pad 3 , and the lower part of the anchor bolt 1 is worn through the positioning nut 2 and anchored to the rail support platform 11 .

[0048] Specifically, a plurality of spaced bosses 31 are convexly provided on the lower surface of the iron backing plate 3 , each boss 31 may be arranged in a strip shape, and the number of the bosses 31 may preferably be 3, and each boss 31 is located between the two positioning nuts 2 .

[0049] Specifically, the longitudinal section of each boss 31 is trapezoidal, and the horizontal section of each boss 31 gradually decreases from top to bottom.

[0050] Specifically, the height of the part where the lower end of the iron pad 3 is embedded in the rail support platform 11 is 5 mm. The iron pad 3 is provided with two through holes for T-bolts to pass through. When the rail support platform 11 is cast, the lower surface of the iron pad 3 is located 5 mm below the upper surface of the rail support platform 11, wherein this height has nothing to do with the height setting of the boss 31.

[0051] Specifically, the magnetic levitation fastener system suitable for the telescopic zone of the present solution also includes an elastic pad 5, which is arranged on the height-adjusting pad 4, and the elastic pad 5 is located between the H-shaped steel sleeper 10 and the height-adjusting pad 4. The elastic pad 5 is elastic, and the material can be preferably rubber, and two through holes are provided on the surface for T-bolts to pass through, which can provide certain vibration reduction performance for the fastener system.

[0052] Specifically, the distance adjusting buckle plate 6 is buckled on the rail bottom surface of the H-shaped steel sleeper 10, and the distance adjusting buckle plate 6 also includes a plate body 61, the limiting portion 62 is protruding from the upper part of the side of the plate body 61 and connected to the plate body 61 in an inverted L shape, the plate body 61 is flush with the upper end surface of the limiting portion 62, and the through hole 611 is provided on the plate body 61. The third body 103 and the elastic pad 5 are both located between the two plate bodies 61, and the side surface of the plate body 61 close to the H-shaped steel sleeper 10 is connected to the lower end surface of the limiting portion 62 in an inverted L shape, the lower end surface of the limiting portion 62 can be abutted and connected to the upper end surface of the third body 103, and the side surface of the plate body 61 close to the H-shaped steel sleeper 10 can be abutted and connected to the side surfaces of the third body 103 and the elastic pad 5. By changing the type of the adjustable gusset plate 6 and changing the distance between the two limit parts 62, the H-shaped steel sleeper 10 can be relatively moved in a direction perpendicular to the length of the H-shaped steel sleeper 10, that is, horizontal adjustment can be achieved. Therefore, by changing the adjustable gusset plates 6 of different sizes, horizontal and vertical adjustment can be achieved.

[0053] Specifically, the magnetic levitation fastener system suitable for the telescopic zone of the present solution also includes a spring washer 7 corresponding to each of the anchor bolts 1, and each of the spring washers 7 is located between the correspondingly arranged fastening nut 8 and the distance-adjusting buckle plate 6. The upper end of the anchor bolt 1 passes through the iron pad 3, the height-adjusting pad 4, the distance-adjusting buckle plate 6, the heavy-duty spring washer 7, and the fastening nut 8 in sequence. The fastening nut 8 is arranged on the heavy-duty spring washer 7 and installed on the upper end of the anchor bolt 1. The fastening nut 8 is used to fix various components. Among them, the spring washer 7 can preferably be a heavy-duty spring washer 7, and the heavy-duty spring washer 7 is arranged on the distance-adjusting buckle plate 6. The heavy-duty spring washer 7 can provide a certain vibration reduction performance for the overall structure of the fastener system.

[0054] Specifically, the magnetic levitation fastener system suitable for the telescopic zone of the present invention also includes a protective cover 9 corresponding to each of the anchor bolts 1. The protective cover 9 is a bolt protective cover 9. Each of the protective covers 9 is provided with a groove with an opening facing downward and for the upper end of the anchor bolt 1 to be embedded. The bolt protective cover 9 is arranged on the fastening nut 8 and is mounted on the top of the anchor bolt 1 to protect the thread of the anchor bolt 1.

[0055] When installing rail tracks using the magnetic levitation fastener system for expansion zones of the present invention, after checking and confirming that all fastener components are qualified, the fastener system is assembled and connected with the H-shaped steel sleeper 10, including the following steps:

[0056] S1. Use common tooling to vertically support the H-shaped steel sleeper 10, leaving space for the fastener system installation.

[0057] S2. Pass the anchor bolt 1 through the iron pad 3 and the height adjustment pad 4 in sequence, and then place the iron pad 3 and the height adjustment pad 4 to appropriate positions. In general, the height adjustment pad 4 can be 5mm thick during normal installation.

[0058] S3. Place the elastic pad 5 on the height-adjusting pad 4, ensuring that the elastic pad 5 is in the middle position, and the front and rear flanges of the elastic pad 5 buckle the side surfaces of the height-adjusting pad 4.

[0059] S4. Install the distance adjusting buckle plate 6, heavy spring washer 7 and fastening nut 8 in sequence. The limiting part 62 of the boss structure of the distance adjusting buckle plate 6 buckles the third body 103 of the H-shaped steel sleeper 10. After all the components are installed in place, the fastening nut 8 is initially tightened to ensure that the fastener system is not loose when casting the rail support platform 11.

[0060] S5. Casting the rail support 11.

[0061] S6. After the maintenance of the rail support 11 is completed, the fastening nut 8 is re-tightened, and the torque during re-tightening is about 300N·m.

[0062] S7. After the rail position adjustment is completed, the bolt protection sleeve 9 is installed on the anchor bolt 1.

[0063] For other contents of the magnetic levitation fastener system suitable for the telescopic zone described in the utility model, please refer to the prior art and will not be described in detail here.

[0064] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A magnetic fastener system suitable for telescopic areas, characterized in that: It includes anchor bolts, iron pads, height adjustment pads, fastening nuts corresponding to the anchor bolts, and distance adjustment buckle plates arranged on both sides of the H-shaped steel sleeper, the lower part of each anchor bolt is buried inside the rail support platform, and the H-shaped steel sleeper includes a first main body, a second main body and a third main body connected in sequence in an H shape, and the first main body and the third main body are parallel to each other; The iron pad, the height-adjusting pad, and the H-shaped steel sleeper are sequentially arranged above the rail support platform from bottom to top, the lower end of the iron pad is embedded in the rail support platform, each of the distance-adjusting buckle plates is provided with a through hole for the anchor bolt to pass through, and a limiting portion is horizontally protruded on one side close to the H-shaped steel sleeper, the limiting portion is located above the third body and can be abutted and fixed with the third body, and the upper end of each of the anchor bolts sequentially passes through the iron pad, the height-adjusting pad, and a distance-adjusting buckle plate from bottom to top and is fixedly connected to each of the fastening nuts; The height-adjusting pad includes a first plate body butted against each other, and a second plate body has through slots on one side away from each other for the anchor bolts to pass through, and the notches of the two corresponding through slots face oppositely and both face the side away from each other.

2. The magnetic fastener system for expansion and contraction zones according to claim 1, characterized in that: It also includes positioning nuts corresponding to each of the anchor bolts, each of the positioning nuts is sleeved outside the corresponding anchor bolt, and each of the positioning nuts is embedded in the rail support platform and located below the iron pad.

3. The magnetic fastener system for expansion and contraction zones according to claim 2, characterized in that: The upper end surface of each positioning nut is abutted and connected with the upper end surface of the iron pad.

4. The magnetic fastener system for expansion and contraction zones according to claim 3, characterized in that: A plurality of bosses arranged at intervals are protruded from the lower surface of the iron pad, and each of the bosses is located between two of the positioning nuts.

5. The magnetic fastener system for expansion and contraction zones according to claim 4, characterized in that: The longitudinal section of each boss is trapezoidal, and the horizontal section of each boss gradually decreases from top to bottom.

6. The magnetic fastener system for expansion zone according to claim 1, characterized in that: The height of the portion where the lower end of the iron pad is embedded in the rail support platform is 5 mm.

7. The magnetic fastener system for expansion and contraction zones according to claim 1, characterized in that: It also includes an elastic pad, which is located between the H-shaped steel sleeper and the height-adjusting pad.

8. The magnetic fastener system for expansion and contraction zones according to claim 7, characterized in that: The adjustable distance buckle plate also includes a plate body, the limiting portion is convexly arranged on the upper part of the side of the plate body and is connected to the plate body in an inverted L shape, the plate body is flush with the upper end surface of the limiting portion, and the through hole is arranged on the plate body; The third main body and the elastic pad are both located between the two plate main bodies.

9. The magnetic fastener system for expansion and contraction zones according to claim 1, characterized in that: It also includes spring washers corresponding to each of the anchor bolts, and each of the spring washers is located between the correspondingly arranged fastening nut and the distance adjusting buckle plate.

10. The magnetic fastener system for expansion zone according to claim 1, characterized in that: It also includes protective covers corresponding to each of the anchor bolts. Each of the protective covers is provided with a groove with an opening facing downwards and capable of being embedded with the upper end of the anchor bolt.

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