CN219670958U - Elastic buckling component for switch slide plate and switch - Google Patents

Abstract

The utility model discloses an elastic buckling component and a switcher for a turnout slide plate, which are used for buckling steel rails and comprise a bottom plate for bearing the steel rails, a bedplate arranged on the bottom plate and a strip-shaped elastic clamp for buckling the steel rails, wherein the bedplate and the bottom plate are enclosed to form a buckling cavity arranged along the length direction of the bedplate, the top wall of an inner cavity of the bedplate is provided with a mounting block for dividing the buckling cavity into at least two mounting grooves along the width direction, the elastic clamp and the mounting grooves are arranged in a one-to-one correspondence manner and are penetrated in the mounting grooves, and the top wall of the inner cavity of the bedplate is provided with a boss for abutting against the middle part of the elastic clamp so that the elastic clamp elastically deforms and elastically compresses the steel rails.

Description

Elastic buckling component for switch slide plate and switch

Technical Field

The utility model relates to the technical field of track turnouts, in particular to an elastic buckling component for a turnout slide plate. The utility model also relates to a switch comprising the elastic buckling component for the switch slide plate.

Background

The slide plate and the inner side of the stock rail of the prior domestic turnout switch are mainly buckled by the following modes:

1. the elastic sheet and the pin are elastically buckled on the inner side of the stock rail, and the elastic sheet structure of the pin is easy to deform excessively to cause insufficient strength of the elastic sheet and the pin and easy to generate damage and break when in use

2. The elastic sheet and the wedge block are widely used for accelerating the turnout, the front end of the elastic sheet is positioned on the rail bottom at the inner side of the stock rail, the rear end of the elastic sheet is positioned on the wedge surface of the wedge-shaped positioning block and is lifted by the wedge surface, and the middle part of the elastic sheet is pressed by the supporting boss of the inner cavity of the bedplate to improve the stress condition of the elastic sheet. The wedge-shaped block and spring plate type structure is complicated to install and maintain; meanwhile, the installation mode that the large hammer is used for beating the wedge block to lift the elastic sheet can cause certain damage to the wedge block.

3. In the high-speed turnout, an elastic clamp is generally adopted for buckling, the elastic clamp is like a Chinese patent CN202202213U, the elastic clamp for the heavy-duty track turnout disclosed by the elastic clamp is of a U-shaped structure, and the elastic clamp is complex in processing and high in cost.

Disclosure of Invention

The utility model provides an elastic buckling component for a switch slide plate and a switch device, which are used for solving the technical problems of poor reliability, complicated installation and maintenance, complex elastic clamp type processing and high cost of buckling structures at the inner sides of slide plates and stock rails of the conventional switch device.

According to one aspect of the utility model, an elastic buckling assembly for a turnout slide plate is provided, and is used for buckling steel rails, and comprises a bottom plate for bearing the steel rails, a bedplate arranged on the bottom plate and an elastic clamp which is used for buckling the steel rails and takes a strip shape, wherein the bedplate and the bottom plate are enclosed to form a buckling cavity which is arranged along the length direction of the bedplate, a mounting block for dividing the buckling cavity into at least two mounting grooves along the width direction is arranged on the top wall of the inner cavity of the bedplate, the elastic clamp is arranged in a one-to-one correspondence with the mounting grooves and penetrates through the mounting grooves, and a boss which is used for abutting against the middle part of the elastic clamp to enable the elastic clamp to elastically deform and elastically compress the steel rails is arranged on the top wall of the inner cavity of the bedplate.

Further, side protrusions extending in the width direction of the platen for clamping the elastic clips are arranged on the mounting blocks.

Further, an installation seat for clamping the elastic clamp is arranged at one end of the bedplate, which is far away from the steel rail.

Further, a T-shaped slot corresponding to the mounting seat is formed in the bedplate.

Further, a guide block for guiding the elastic clamp to be inserted into the mounting groove is arranged on the top wall of the inner cavity of the bedplate.

Further, reinforcing ribs are arranged on the top wall of the inner cavity of the bedplate, and the reinforcing ribs are arranged perpendicular to or parallel to the boss.

Further, a guide iron for guiding the elastic clamp to be buckled on the steel rail is arranged on the bottom plate.

Further, a lightening hole is formed in one end, close to the steel rail, of the bedplate.

Further, the thickness of the two ends of the elastic clamp is smaller than that of the middle.

According to another aspect of the present utility model, there is also provided a switch comprising the above elastic buckling assembly for a switch slide plate.

The utility model has the following beneficial effects:

the elastic clamp is in a strip shape, has a simple structure, is convenient to process, is low in operation difficulty of being inserted into the mounting groove, and is low in use cost; the mounting blocks on the top wall of the inner cavity of the bedplate divide the buckling cavity into a plurality of mounting grooves uniformly so as to limit the positions of the elastic clamps along the width direction of the bedplate and prevent the elastic clamps from loosening, when the clamping device is used, the elastic clamps are respectively inserted into each mounting groove, and the bosses on the top wall of the inner cavity of the bedplate enable the elastic clamps to deform downwards from the middle part to be sunken, so that the elastic clamps are tightly pressed against the steel rail; compared with the U-shaped elastic clamp structure, the split type elastic clamps are matched with the mounting grooves, the structure is simple, the mounting and maintenance are convenient, the stress state of the elastic clamps is good, the steel rail can be permanently buckled and pressed, and the reliability is high.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

figure 1 is a schematic view of the elastic clasp assembly for a switch slide plate according to the preferred embodiment of the present utility model;

figure 2 is a cross-sectional view of a resilient clip assembly for a switch slide in accordance with a preferred embodiment of the utility model;

FIG. 3 is a schematic view of the structure of a platen in accordance with a preferred embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a platen of a preferred embodiment of the present utility model;

fig. 5 is a schematic structural view of a spring clip according to a preferred embodiment of the present utility model.

Legend description:

1. a bottom plate; 2. guiding iron; 3. a platen; 31. a mounting block; 311. a side portion protrusion; 32. a boss; 33. a mounting base; 34. a mounting groove; 35. reinforcing ribs; 36. a lightening hole; 37. a guide block; 38. t-shaped slotting; 4. an elastic clamp; 41. a head; 42. a middle part; 43. tail part; 5. a rail.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

Referring to fig. 1 to 5, the elastic buckling component for a switch slide plate of the present embodiment is used for buckling a rail 5, and includes a bottom plate 1 for carrying the rail 5, a platen 3 disposed on the bottom plate 1, and an elongated elastic clip 4 for buckling the rail 5, where the platen 3 and the bottom plate 1 enclose to form a buckling cavity disposed along a length direction of the platen 3, a mounting block 31 for dividing the buckling cavity into at least two mounting grooves 34 along a width direction is disposed on a top wall of an inner cavity of the platen 3, the elastic clip 4 and the mounting grooves 34 are disposed in a one-to-one correspondence and are disposed in the mounting grooves 34 in a penetrating manner, and a boss 32 for abutting against a middle portion of the elastic clip 4 to elastically deform and elastically compress the rail 5 is disposed on a top wall of an inner cavity of the platen 3.

The elastic clamp 4 of the embodiment is in a strip shape, the elastic clamp 4 is simple in structure, convenient to process, low in operation difficulty of being inserted into the mounting groove 34 and low in use cost; the mounting blocks 31 on the top wall of the inner cavity of the bedplate 3 uniformly divide the buckling cavity into a plurality of mounting grooves 34 so as to limit the positions of the elastic clamps 4 along the width direction of the bedplate 3 and prevent the elastic clamps 4 from loosening, when the clamping device is used, the elastic clamps 4 are respectively inserted into each mounting groove 34, and the bosses 32 on the top wall of the inner cavity of the bedplate 3 enable the elastic clamps 4 to deform downwards from the middle part to be sunken, so that the elastic clamps 4 are pressed against the steel rails 5; compared with the U-shaped elastic clamp 4 structure, the split type multiple strip-shaped elastic clamps 4 are matched with the mounting grooves 34, the structure is simple, the mounting and the maintenance are convenient, the stress state of the elastic clamps 4 is good, the steel rail 5 can be permanently buckled, and the reliability is high. Specifically, in this embodiment, the mounting block 31 is one, the buckling cavity is divided into two mounting grooves 34, and when the elastic clamp 4 is inserted into the mounting groove 34, the mounting block 31 and the side wall of the platen 3 cooperate to clamp the elastic clamp 4, so that the structure is simple, the processing is convenient, and even if one of the two elastic clamps 4 fails, the steel rail 5 can be locked. It can be understood that the number of the mounting blocks 31 can be two, three or more, the width of the bedplate 3 can be correspondingly widened, and the number of the elastic clamps 4 can be increased by increasing the number of the mounting blocks 31 to divide the buckling cavity into more mounting grooves 34, so that the reliability of the elastic buckling assembly for locking the steel rail is improved; when the clamping device is used, the two adjacent mounting blocks 31 in the middle are matched with the clamping elastic clamp 4, and the mounting blocks 31, close to the bedplate 3, at the two ends are matched with the side wall of the bedplate 3 to clamp the elastic clamp 4 so as to prevent the elastic clamp 4 from loosening.

As shown in fig. 3, in the present embodiment, the mounting block 31 is provided with a side projection 311 extending in the width direction of the platen 3 for clamping the elastic clip 4. When the elastic clamp 4 is inserted into the mounting groove 34, the side protrusions 311 can squeeze the elastic clamp 4 along the width direction of the platen 3, so that the elastic clamp 4 is prevented from loosening, and the reliability of the elastic buckling assembly is improved. Specifically, in this embodiment, the mounting block 31 is one, two lateral protrusions 311 on the mounting block 31 extend to the side walls of the platen 3 respectively, and the lateral protrusions 311 cooperate with the platen 3 to position the elastic clamp 4, so that the structure is simple, and the stability of the elastic clamp 4 for buckling the steel rail 5 can be improved. It will be appreciated that as the number of mounting blocks 31 increases, the side protrusions 311 on two adjacent mounting blocks 31 in the middle are disposed opposite to each other to clamp the spring clip 4, and the side protrusions 311 on the mounting blocks 31 on two sides near the side wall of the platen 3 extend toward the side wall of the platen 3, so that by increasing the number of mounting blocks 31, the number of spring clips 4 can be increased, and the reliability of the spring clip assembly can be improved.

As shown in fig. 2, 3 and 4, in this embodiment, an installation seat 33 for clamping the elastic clip 4 is arranged at one end of the platen 3 away from the steel rail 5, and the deformation amount of the elastic clip 4 is increased by lifting the tail 43, so as to increase the buckling pressure of the elastic clip 4; during the use, through the afterbody 43 lifting of pinch roller with the elastic clamp 4, the elastic clamp 4 middle part position is vertically at this moment received the extrusion of boss 32, transversely bears lateral part protruding 311 extrusion, and vertical, horizontal elastic deformation take place for the elastic clamp 4, and after unclamping the pinch roller, the elastic clamp 4 afterbody falls to the mount pad 33 in the platen 3, can carry out spacingly to the afterbody 43 of elastic clamp 4, prevents that elastic clamp 4 from taking off to guarantee the stability of buckling and pressing the subassembly.

As shown in fig. 3, in this embodiment, the platen 3 is provided with a T-shaped slot 38 corresponding to the mounting seat 33, and when in use, the crow bar can extend into the buckling cavity from the T-shaped slot 38, so as to raise the tail 43 of the elastic clip 4, thereby facilitating operation and observation of whether the tail 43 of the elastic clip 4 is clamped on the mounting seat 33.

As shown in fig. 3 and 4, in this embodiment, a guide block 37 for guiding the elastic clip 4 to be inserted into the mounting groove 34 is disposed on the top wall of the inner cavity of the platen 3, and the guide block 37 can increase the supporting strength of the platen 3 on one hand, and can guide the elastic clip 4 to be inserted into the mounting groove 34 on the other hand, so as to reduce the assembly difficulty and improve the assembly efficiency. The guide block 37 and the mounting block 31 may be split-type assembled structures, or may be integrally formed integral structures.

In this embodiment, as shown in fig. 3, the reinforcing ribs 35 are disposed on the top wall of the inner cavity of the platen 3, and the reinforcing ribs 35 are disposed perpendicular to the boss 32, so as to increase the supporting strength of the platen 3 and prevent the platen 3 from deforming. It will be appreciated that the ribs 35 may also run parallel to the boss 32.

In this embodiment, as shown in fig. 2, the bottom plate 1 is provided with a guide iron 2 for guiding the elastic clip 4 to buckle on the steel rail 5, and when the elastic clip 4 is used, the elastic clip passes through the bottom of the platen 3 and passes through the mounting groove 34, and climbs onto a rail limb of the steel rail 5 through the guide iron 2.

As shown in fig. 3, in this embodiment, the end of the platen 3 near the rail 5 is provided with a lightening hole 36, so that the weight of the platen 3 can be reduced without affecting the supporting strength of the platen 3, on the one hand, materials can be saved, and on the other hand, whether the elastic clip 4 is buckled on the rail limb of the rail 5 can be observed from the lightening hole, so as to determine whether the elastic clip 4 is installed in place.

In this embodiment, as shown in fig. 5, the thickness of the two ends of the elastic clip 4 is smaller than the thickness of the middle, and the elastic clip 4 is in line contact with the steel rail 5 before being deformed along with the process that the elastic clip 4 is inserted into the mounting groove 34 and pressed against the steel rail 5, so that the elastic clip 4 is conveniently installed; the elastic clamp 4 is in surface contact with the steel rail after deformation, so that the structural stability after buckling can be improved, and the elastic clamp 4 is prevented from slipping. Specifically, the number of the elastic clips 4 is 2, the structure is in a split long strip shape, and the middle part 42 of the elastic clip 4 is thickest and widest; tail 43 is thinnest and narrowest. Optionally, the total length of the elastic clip 4 is 290-380 mm, the width of the head 41 is 10-12 mm, and the thickness of the head 41 is 6-12 mm; the width of the middle part 42 is 13-17 mm, and the thickness of the middle part 42 is 13-17 mm; the width of the tail portion 43 is 8-10 mm, and the thickness of the tail portion 43 is 5-7 mm. Alternatively, the width of the head 41 is 11mm, and the thickness of the head 41 is 8mm; the width of the middle part 42 is 15mm, and the thickness of the middle part 42 is 15mm; the width of the tail 43 is 9mm and the thickness of the tail 43 is 6mm. The head 41 of the elastic clamp 4 is buckled on the inner rail limb of the steel rail 5, the middle is pressed down by the boss 32 on the top wall of the inner cavity of the bedplate 3, the tail is lifted by the mounting seat 33, and based on the principle of leverage, the single elastic clamp 4 can generate buckling pressure of about 5-7kN at the head 41.

A switch comprises the elastic buckling component for the switch slide plate.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An elastic buckling component for a slide bed board of a switch is used for buckling a steel rail (5), and is characterized in that,

comprises a bottom plate (1) for bearing the steel rail (5), a bedplate (3) arranged on the bottom plate (1) and an elastic clamp (4) which is used for buckling the steel rail (5) and takes a strip shape,

the bedplate (3) and the bottom plate (1) are enclosed to form a buckling cavity distributed along the length direction of the bedplate (3), the top wall of the inner cavity of the bedplate (3) is provided with a mounting block (31) for separating the buckling cavity into at least two mounting grooves (34) along the width direction, the elastic clamps (4) are distributed in one-to-one correspondence with the mounting grooves (34) and penetrate into the mounting grooves (34),

a boss (32) for abutting against the middle part of the elastic clamp (4) so that the elastic clamp (4) is elastically deformed and elastically pressed against the steel rail (5) is arranged on the top wall of the inner cavity of the bedplate (3).

2. An elastic clasp assembly for a switch slide according to claim 1,

the mounting block (31) is provided with a side protrusion (311) extending in the width direction of the platen (3) for clamping the elastic clip (4).

3. An elastic clasp assembly for a switch slide according to claim 1,

one end of the bedplate (3) far away from the steel rail (5) is provided with a mounting seat (33) for clamping the elastic clamp (4).

4. An elastic clasp assembly for a switch slide according to claim 3,

t-shaped grooves (38) corresponding to the mounting seats (33) are formed in the bedplate (3).

5. An elastic clasp assembly for a switch slide according to claim 1,

a guide block (37) for guiding the elastic clamp (4) to be inserted into the mounting groove (34) is arranged on the top wall of the inner cavity of the bedplate (3).

6. An elastic clasp assembly for a switch slide according to claim 1,

reinforcing ribs (35) are arranged on the top wall of the inner cavity of the bedplate (3), and the reinforcing ribs (35) are arranged perpendicular to or parallel to the boss (32).

7. An elastic clasp assembly for a switch slide according to claim 1,

and a guide iron (2) for guiding the elastic clamp (4) to be buckled on the steel rail (5) is arranged on the bottom plate (1).

8. An elastic clasp assembly for a switch slide according to claim 1,

and a lightening hole (36) is formed in one end, close to the steel rail (5), of the bedplate (3).

9. An elastic clasp assembly for a switch slide according to claim 1,

the thickness of the two ends of the elastic clamp (4) is smaller than that of the middle.

10. A switch comprising the switch slide elastic buckle assembly of claims 1 to 9.