Sleeper multidirectional limiting device and ballastless track temporary supporting system

Abstract

The utility model belongs to the technical field of track renovation, and particularly provides a sleeper multidirectional limiting device which comprises a supporting seat, a sleeper fixing sleeve and a height adjusting piece. The sleeper fixing sleeve is installed on one side of the supporting seat through the height adjusting piece. The height adjusting part is used for adjusting the height of the sleeper fixing sleeve; the inner diameter of the sleeper fixing sleeve is matched with the outer diameter of the sleeper. The sleeper multidirectional limiting device is simple in structure, easy to manufacture, convenient to install, high in applicability and assembly flexibility and high in practicability when being used for fixing a temporary wooden sleeper for rebuilding construction of a roadbed slab of a business line. The sleeper can be limited and supported in multiple directions such as the transverse direction, the longitudinal direction and the axial direction through the supporting base, the height adjusting piece and the sleeper fixing sleeve, displacement of the sleeper in the width direction, the height direction or the length direction of the sleeper is avoided, safe and stable operation of a train is guaranteed, and the sleeper is easy to disassemble and reuse.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the track regulation technical field, concretely relates to a rail sleeper multidirectional limiting device and temporary support system of ballastless track. BACKGROUND

[0002] According to the investigation of the ballastless track disease, find that the high-speed rail track can appear the upwarping of the ballastless track bed plate. Through the field investigation and analysis, the reasons of the disease are more: 1. The corresponding design requirements are not reached in the construction process; 2. The complex geological environment, high ground stress, underground water erosion, super static water pressure and local inverted arch defect and other factors single or jointly cause the bed plate to rise.

[0003] In view of the upwarping problem of the bed plate of the high-speed railway ballastless track at present, it is required that the daily operation of the train is not interrupted in the process of the repair and the track structure, the railway equipment of the business line and the operation safety are ensured. When the upwarping section of the bed plate is rebuilt, the temporary wood sleeper is generally used to support the steel rail temporarily, and the wood sleeper needs to be positioned and fixed in order to ensure the normal operation of the business line.

[0004] The existing temporary wood sleeper limiting system (or device) is generally only for single direction in the vertical direction, longitudinal direction and transverse direction, and in the actual construction process, the single direction limiting cannot meet the demand, and the wood sleeper often needs to be limited in two or three directions at the same time to avoid the movement of the wood sleeper. The existing wood sleeper limiting device is often complex in structure, contains multiple movable parts, is time-consuming and laborious to install, and is not conducive to construction convenience. At the same time, the temporary wood sleeper needs to be removed before the bed plate is rebuilt, and the complex limiting device will increase the construction difficulty and reduce the construction efficiency. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at overcoming the problems of the temporary wood sleeper limiting device in the prior art, such as complex limiting structure and being not conducive to construction.

[0006] Therefore, the utility model provides a rail sleeper multidirectional limiting device, which comprises a support base, a rail sleeper fixing sleeve and a height adjusting part, the rail sleeper fixing sleeve is installed on one side of the support base through the height adjusting part, the height adjusting part is used for adjusting the height of the rail sleeper fixing sleeve, and the inner diameter of the rail sleeper fixing sleeve is matched with the outer diameter of the rail sleeper.

[0007] Specifically, the support base is provided with a fixing part used for detachable connection with the inverted arch filling layer.

[0008] Specifically, the support base comprises a bottom plate and a vertical plate installed on the bottom plate, and the rail sleeper fixing sleeve is arranged on one side of the vertical plate.

[0009] Specifically, the vertical strip-shaped hole is arranged on the vertical plate; the height adjusting member comprises a bolt and a nut; one end of the bolt is connected with the sleeper fixing sleeve, and the other end of the bolt passes through the vertical strip-shaped hole and is connected with the nut.

[0010] Specifically, the reinforcing rib plate is arranged between the vertical plate and the bottom plate.

[0011] Specifically, one end of the sleeper fixing sleeve is provided with a sleeper plug-in interface, and the other end of the sleeper fixing sleeve is closed; the closed end of the sleeper fixing sleeve is installed on one side of the support seat through the height adjusting member.

[0012] The utility model also provides a ballastless track temporary support system, including sleeper and above-mentioned sleeper multidirectional limiting device, the sleeper is plugged in sleeper fixing sleeve.

[0013] Specifically, the ballastless track temporary support system further comprises a glue injection bag; the glue injection bag is arranged between the sleeper and the inverted arch filling layer.

[0014] Specifically, the ballastless track temporary support system comprises a plurality of sleepers; the plurality of sleepers are stacked in the height direction to form a sleeper stack; end portions of the sleeper stack are plugged into the sleeper fixing sleeve.

[0015] Specifically, the ballastless track temporary support system further comprises a U-shaped hoop and a sealing plate; the U-shaped hoop is sleeved outside the plurality of sleepers; and the sealing plate is detachably connected to an open end of the U-shaped hoop.

[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0017] The sleeper multidirectional limiting device provided by the utility model has simple structure and is easy to manufacture, is convenient to install when used for fixing the temporary wooden sleeper for the re-construction of the operating line ballast bed plate, has high applicability and assembly flexibility, can limit and support the sleeper in multiple directions such as horizontal, vertical and axial directions through the support seat, the height adjusting member and the sleeper fixing sleeve, avoids displacement of the sleeper along the width, height or length direction of the sleeper, ensures safe and stable operation of the train, and is easy to disassemble and reuse.

[0018] The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the structure schematic view of the sleeper multidirectional limiting device provided by the utility model.

[0020] Figure 2 is the structure schematic view of the ballastless track temporary support system provided by the utility model.

[0021] Explanation of reference signs: 1, bottom plate; 2, vertical plate; 3, vertical strip-shaped hole; 4, reinforcing rib plate; 5, fixing piece; 6, nut; 7, bolt; 8, sleeper fixing sleeve; 9, sleeper; 10, U-shaped hoop; 11, sealing plate; 12, track. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "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 do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features; in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] Reference Figure 1The utility model provides a kind of tie multiple direction limiting device, including support seat, tie fixed sleeve 8 and height adjusting part;The tie fixed sleeve 8 is installed in the support seat one side by the height adjusting part;The height adjusting part is used for adjusting the height of the tie fixed sleeve 8;The tie fixed sleeve 8 inner diameter and tie 9 outer diameter match.Tie multiple direction limiting device Each component can be made of Q235 carbon steel.Use, tie fixed sleeve 8 is sleeved in tie 9 outside, and support seat is fixed in inverted arch filling layer suitable position.According to demand, the height between tie fixed sleeve 8 and inverted arch filling layer is adjusted using height adjusting part and is fixed, ensure that tie 9 can play the supporting role.The multiple direction limiting device is limited to tie 9 circumferential each surface simultaneously by tie fixed sleeve 8, prevent tie 9 from rotating, also can avoid tie 9 displacement along its width or height direction.In practical application, generally two groups of tie multiple direction limiting device are used, and it is symmetrically arranged at the length direction both ends of tie 9, with the support seat and tie fixed sleeve 8 of each other, tie 9 is controlled between two groups of tie multiple direction limiting device, and the length direction of tie 9 is limited, to prevent its displacement along length direction.

[0026] Further, support seat is equipped with the fixed part 5 for being detachably connected with inverted arch filling layer.Use, through the fixed part 5, support seat is stably and firmly installed on the concrete foundation of inverted arch filling layer.After use, fixed can be released, and the whole temporary support system is quickly removed.

[0027] Optionally, the support seat is provided with a threaded hole, and the fixing part 5 comprises a bolt 7, and the support seat is anchored on the inverted arch filling layer through the bolt 7 and the threaded hole.The number and distribution position of the bolt 7 and the threaded hole are designed according to the actual size of the support seat to ensure the stability of the connection.

[0028] In a refined embodiment, the support seat comprises a bottom plate 1 and a vertical plate 2 mounted on the bottom plate 1;The tie fixed sleeve 8 is arranged on one side of the vertical plate 2, and the length direction of the tie 9 is limited by the vertical plate 2.

[0029] Specifically, the vertical plate 2 is provided with a vertical strip hole 3;The height adjusting part comprises a bolt 7 and a nut 6;One end of the bolt 7 is connected with the tie fixed sleeve 8, and the other end passes through the vertical strip hole 3 and is connected with the nut 6.Use, the bolt 7 slides in the vertical strip hole 3 until the tie 9 reaches the required height, and the nut 6 is tightened to limit the up-down sliding of the bolt 7, so that the tie fixed sleeve 8 and the tie 9 are fixed at the height.The number of vertical strip holes 3 is designed according to the requirement to ensure the stability.

[0030] In order to improve the strength of the support seat, the vertical plate 2 and the bottom plate 1 are provided with a reinforcing rib plate 4.

[0031] In an optimized embodiment, the tie fixing sleeve 8 has a tie 9 insertion port at one end and is closed at the other end; the closed end of the tie fixing sleeve 8 is mounted on one side of the support seat through the height adjusting piece. During installation, the end of the tie 9 is inserted into the tie fixing sleeve 8 through the tie 9 insertion port, and the closed end of the tie fixing sleeve 8 can limit the end of the tie 9.

[0032] The utility model further provides a kind of ballastless track temporary support system, including tie 9 and above-mentioned tie multidirectional limiting device;The tie 9 is inserted in the tie fixing sleeve 8. Figure 2 In actual use, referring to

[0033] Further, the ballastless track temporary support system further includes glue injection bag;The glue injection bag is arranged between tie 9 and inverted arch filling layer, and the tie 9 is closely contacted with the inverted arch filling layer by glue injection. Double-head glue injection bag can be selected for the glue injection bag to improve the glue injection efficiency.

[0034] In order to prevent the tie 9 from being insufficient in strength and being broken during supporting, the ballastless track temporary support system includes a plurality of ties 9;The plurality of ties 9 are stacked along the height direction to form a tie stack, the inner diameter of the tie fixing sleeve 8 matches the outer diameter of the tie stack, so that the tie stack is prevented from rotating or deviating in the tie fixing sleeve 8, and the end of the tie stack is inserted into the tie fixing sleeve 8.

[0035] Further, the ballastless track temporary support system further includes a U-shaped hoop 10 and a sealing plate 11;The U-shaped hoop 10 is sleeved outside the plurality of ties 9;The sealing plate 11 is detachably connected to the opening end of the U-shaped hoop 10. The tie stack is fixed by the U-shaped hoop 10 and the sealing plate 11 to prevent the plurality of ties 9 from being misaligned.

[0036] Specifically, the sealing plate 11 can be a channel steel, the U-shaped hoop 10 is welded by two studs and a steel plate, one end of the stud is threaded, and the other end is welded to the steel plate. The channel steel has an oval hole, the opening of the channel steel faces upward, the web plate is against the tie 9, the stud of the U-shaped hoop 10 passes through the oval hole of the channel steel, and the channel steel is fixed by a nut 6, and the plurality of ties 9 are fixed by tightening the nut 6. When the plurality of ties 9 are placed in parallel on the track 12, one sealing plate 11 can be shared.

[0037] Embodiment one:

[0038] The embodiment provides a tie multidirectional limiting device, which includes a support seat made of Q235 carbon steel, a tie fixing sleeve 8 and a height adjusting piece.

[0039] The support base comprises a bottom plate 1, a vertical plate 2, a reinforcing rib plate 4 and a fixing part 5; the vertical plate 2 is vertically fixed on the bottom plate 1, the reinforcing rib plate 4 is arranged between the vertical plate 2 and the bottom plate 1 and is located on one side of the vertical plate 2; the bottom plate 1 is provided with a threaded hole; the fixing part 5 comprises a bolt 7; the bolt 7 is inserted into the threaded hole of the bottom plate 1; the vertical plate 2 is provided with a vertical strip-shaped hole 3 in the direction perpendicular to the bottom plate 1.

[0040] The sleeper fixing sleeve 8 is a hollow sleeve structure, and one end is provided with a sleeper 9 insertion port, and the other end is closed.

[0041] The height adjusting part comprises the bolt 7 and a nut 6; one end of the bolt 7 is welded to the closed end of the sleeper fixing sleeve 8, and the other end passes through the vertical strip-shaped hole 3 and is connected with the nut 6; the sleeper fixing sleeve 8 and the reinforcing rib plate 4 are respectively located on both sides of the vertical plate 2, and the surface of the closed end of the sleeper fixing sleeve 8 is parallel to the surface of the vertical plate 2.

[0042] The embodiment also provides a temporary support system for a ballastless track, which comprises sleepers 9, U-shaped hoops 10, closing plates 11, double-head glue injection bags and two groups of the above-mentioned sleeper multidirectional limiting devices.

[0043] In the embodiment, double sleeper stacks are used as temporary sleepers 9 for fixing the ballastless track 12, and the inner diameter of the sleeper fixing sleeve 8 matches the outer diameter of the sleeper stack. The closing plate 11 is a channel steel, the U-shaped hoop 10 is welded from two studs and a steel plate, one end of the stud is provided with a thread, and the other end is welded to the steel plate. The web of the channel steel is provided with an elliptical hole.

[0044] In use, the U-shaped hoop 10 is sleeved on the sleeper stack, the two studs are inserted into the corresponding elliptical holes in the web of the channel steel, and the two sleepers are fixed by locking the nut 6. The two groups of sleeper multidirectional limiting devices are symmetrically arranged on both sides of the track 12, the two ends of the sleeper stack are respectively inserted into the corresponding sleeper fixing sleeves 8, and the relative positions between the sleeper multidirectional limiting devices are adjusted according to the length of the sleeper. The bolt 7 is inserted into the threaded hole of the support base bottom plate 1 and is locked, so that the support base is fixed on the inverted arch filling layer. The double-head glue injection bag is arranged between the bottom of the sleeper stack and the inverted arch filling layer. The bolt 7 of the height adjusting part slides in the vertical strip-shaped hole 3 of the vertical plate 2 to a suitable support height, and the bolt 7 and the nut 6 of the height adjusting part are locked, so that the sleeper is fixed at the height. Glue is injected into the double-head glue injection bag, so that the sleeper is in close contact with the inverted arch filling layer, the temporary sleeper installation and fixing are completed, at this time, the sleeper is constrained in all directions, and the safety and stability of the track 12 are ensured.

[0045] The above examples are only illustrative of the present application and do not constitute a limitation on the protection scope of the present application, and any design identical or similar to the present application belongs to the protection scope of the present application.

Claims

1. A multi-directional limiting device for railway sleepers, characterized in that: Including support seat, sleeper fixed sleeve (8) and height adjusting part;The sleeper fixed sleeve (8) is installed on one side of the support seat through the height adjusting part;The height adjusting part is used for adjusting the height of the sleeper fixed sleeve (8);The inner diameter of the sleeper fixed sleeve (8) matches the outer diameter of the sleeper (9).

2. The multi-directional limiting device for railway sleepers as described in claim 1, characterized in that: The support seat is provided with a fixing part (5) for detachable connection with the inverted arch filling layer.

3. The tie multidirectional position-limiting device of claim 1, wherein: The support seat includes a bottom plate (1) and a vertical plate (2) mounted on the bottom plate (1);The sleeper fixed sleeve (8) is arranged on one side of the vertical plate (2).

4. The tie multi-directional position limiting device of claim 3, wherein: The vertical plate (2) is provided with a vertical strip-shaped hole (3);The height adjusting part includes a bolt (7) and a nut (6);One end of the bolt (7) is connected with the sleeper fixed sleeve (8), and the other end passes through the vertical strip-shaped hole (3) and is connected with the nut (6).

5. The tie multi-directional position limiting device of claim 3, wherein: The vertical plate (2) and the bottom plate (1) are provided with a reinforcing rib plate (4).

6. The tie multi-directional position limiting device of claim 1, wherein: One end of the sleeper fixed sleeve (8) is provided with a sleeper (9) insertion port, and the other end is closed;The closed end of the sleeper fixed sleeve (8) is installed on one side of the support seat through the height adjusting part.

7. A temporary support system for a ballastless track, characterized in that: Including sleeper (9) and the sleeper multidirectional limiting device of any one of claims 1-6;The sleeper (9) is inserted into the sleeper fixed sleeve (8).

8. The system for temporary support of a track according to claim 7, characterized in that: It also includes a glue injection bag;The glue injection bag is arranged between the sleeper (9) and the inverted arch filling layer.

9. The temporary support system for ballastless track according to claim 7, wherein: Including a plurality of sleepers (9);A plurality of sleepers (9) are stacked in the height direction to form a sleeper stack;The end of the sleeper stack is inserted into the sleeper fixed sleeve (8).

10. The system for temporary support of a track according to claim 9, characterized in that: It also includes a U-shaped hoop (10) and a sealing plate (11);The U-shaped hoop (10) is sleeved outside the plurality of sleepers (9);The sealing plate (11) is detachably connected with the opening end of the U-shaped hoop (10). It also includes a U-shaped hoop (10) and a sealing plate (11);The U-shaped hoop (10) is sleeved outside the plurality of sleepers (9);The sealing plate (11) is detachably connected with the opening end of the U-shaped hoop (10).

Images