CN213173157U

CN213173157U - Track fastener

Info

Publication number: CN213173157U
Application number: CN202021724078.5U
Authority: CN
Inventors: 杨雁; 陈干菊; 郑波; 田野; 邵东; 宋江华
Original assignee: Chengdu Gutie Technology Co ltd; CREEC Chengdu Survey Design and Research Co Ltd
Current assignee: Chengdu Gutie Technology Co ltd; CREEC Chengdu Survey Design and Research Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-11
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to a track fastener, which comprises a pressing plate base, two upper pressing plates, a first bolt component and two second bolt components; two bulges are arranged on the pressing plate base, and the space between the two bulges is used for placing a steel rail; the pressing plate base is provided with a bolt hole, and the bolt hole is used for connecting the pressing plate base and a concrete foundation through matching with the first bolt assembly; a stop block is arranged at the bottom of each upper pressure plate; the protrusion is provided with a cavity, the cavity is used for arranging the second bolt assembly, one end of the second bolt assembly is fixed in the protrusion cavity, the other end of the second bolt assembly is fixedly connected with an upper pressing plate, meanwhile, the stop block is in stress fit with the rail bottom of the steel rail, and the stop block is in stress fit with the protrusion side face. This track fastener carries out pertinence structural design to the yawing force of hoist, and simultaneously, the bolt is more stable, can not lead to concrete foundation part to suffer destruction during the use.

Description

Track fastener

Technical Field

The utility model relates to a track mounting part field, concretely relates to track fastener.

Background

The gantry crane is widely used in port and wharfs and railway freight yards, and along with the development of container transportation, the crane of the gantry crane is larger and larger, and the requirement for a travelling rail is higher and higher, wherein a crane travelling rail fastener is a key component for ensuring the crane to travel.

The conventional portal crane cart traveling rail fastener adopts a railway elastic strip fastener and a crane rail fastening plate type fastener. However, the railway elastic strip fastener and the crane buckle plate type fastener do not attach importance to the lateral load of the crane, and the lateral force is not subjected to targeted structural design, so that the problems that the lateral retaining shoulder of concrete is damaged or lateral displacement is generated and finally failure occurs often occur; meanwhile, the fastener bolt is directly connected with the concrete foundation, and the bolt is directly subjected to lateral shearing force and is extremely easy to deform and damage; and on the aspect of bearing vertical load, the rail fasteners on the two sides of the steel rail are divided into two pressing plate bases which are contacted with the concrete foundation, so that the stress surfaces of the rail fasteners and the concrete foundation are small, and the local damage to the concrete foundation is easy to be serious. Therefore, the rail fastener for the travelling rail of the gantry crane adopts the elastic strip fastener and the crane rail fastening plate type fastener of a railway for a long time, the fastener is easy to damage, the bolt is deformed and loosened, the surface layer of a concrete foundation is cracked, and the concrete foundation is separated from the ground structure after being soaked in water, so that the straightness of the rail is poor, the steel rail is cracked or even broken, the damage to the rail and the wheels is serious, and the operation safety of the gantry crane is seriously influenced.

Disclosure of Invention

The utility model aims to provide a: aiming at the technical problems that a track fastener in the prior art is easy to damage due to lateral load of a crane, a bolt of the track fastener is easy to deform and loosen, and the surface layer of a concrete foundation is broken due to the track fastener, the track fastener is subjected to targeted structural design aiming at the lateral force of the crane, so that the track fastener cannot be easily damaged; moreover, the stressed area of the rail fastener and the concrete foundation is greatly increased, and the concrete foundation cannot be damaged locally during use.

In order to realize the purpose, the utility model discloses a technical scheme be:

a track fastener comprises a pressure plate base, two upper pressure plates, a first bolt assembly and two second bolt assemblies;

two bulges are arranged on the pressing plate base, and the space between the two bulges is used for placing a steel rail; the pressing plate base is provided with a bolt hole, and the bolt hole is used for connecting the pressing plate base and a concrete foundation through matching with the first bolt assembly;

a stop block is arranged at the bottom of each upper pressure plate;

the protrusion is provided with a cavity, the cavity is used for being matched with the second bolt assembly, one end of the second bolt assembly is fixed in the protrusion cavity, the other end of the second bolt assembly is fixedly connected with an upper pressing plate, meanwhile, the stop block is in stress fit with the rail bottom of the steel rail, and the stop block is in stress fit with the protrusion side face.

In the track fastener, the clamp plate base is of an integrated structure, when the steel rail is arranged on the clamp plate base, the stress surfaces of the clamp plate base and the concrete foundation are greatly increased, and the local part of the concrete foundation cannot be damaged when the track fastener is used; meanwhile, the track fastener is provided with bolt assemblies with two functions, one bolt assembly is used for connecting the track fastener and the concrete foundation, the other bolt assembly is used for connecting track fastener parts, the fastener bolt is not in direct contact with the concrete foundation, and the bolt is more stable; and the bottom of this track fastener's top board is provided with the dog, is provided with the arch on the clamp plate base, when constituteing the track fastener, forms to agree with between dog, arch, the rail and connects, and increase lifting surface forms self-locking function, can effectively alleviate the effect of hoist lateral force to the track fastener like this, guarantees that the track fastener is not hard up, does not drop to make the track fastener can not destroy easily.

As the utility model discloses a preferred scheme, two protruding edge clamp plate base central line becomes the symmetry and sets up. Further, the protrusion is a special-shaped protrusion. Furthermore, a lateral stop block is arranged at the top of the special-shaped protrusion and used for being matched with the upper pressure plate, and when the lateral stop block is matched with the upper pressure plate, the inclined edge of the lateral stop block is matched with the inclined edge of the upper pressure plate, and the matching surface is not parallel to the track direction.

As the preferred scheme of the utility model, be provided with two at least on the clamp plate base the bolt hole. Preferably, at least two of said bolt holes are evenly distributed.

As the preferred proposal of the utility model, the stop block is a wedge-shaped structural part.

As the utility model discloses a preferred scheme, the top board bottom is provided with flexible pressure head, the top board passes through flexible pressure head sets up on the rail. Preferably, the flexible indenter is a structural member made of rubber. The upper pressing plate is connected with the steel rail through the flexible pressing head, and the vertical direction and the longitudinal stress of the upper pressing plate can be automatically adjusted, so that the problem of bolt looseness can be solved.

As the preferred scheme of the utility model, the clamp plate base with be provided with the cushion gum board between the rail bottom. The rubber base plate plays a role in protecting the pressing plate base, so that the steel rail is more stable when the steel rail fastening device is used, and the service life of the rail fastening device is prolonged.

As a preferred aspect of the present invention, the first bolt assembly and/or the second bolt assembly includes a T-bolt. T-shaped bolt can effectively avoid the not hard up of bolt to a certain extent.

As the preferred scheme of the utility model, clamp plate base bottom is provided with an at least recess. Set up the recess in the clamp plate bottom on the one hand and can effectively alleviate the weight of steel backing plate, on the other hand can increase the adhesive force of clamp plate base at the horizontal plane after the clay is filled, reinforcing clamp plate base to the firm power of left and right directions, better stationary platen base. Furthermore, grooves are symmetrically arranged on two sides of the bottom of the pressing plate. Furthermore, the groove is a semi-through groove. The semi-through groove is arranged, so that the condition that the cement under the bottom of the steel backing plate is not fully filled due to air pressure difference can be avoided when the cement is filled.

As the preferred scheme of the utility model, the clamp plate base is provided with and runs through the groove. The setting of the through groove can simplify the construction and installation steps, save the installation time and ensure the installation precision, the thin through groove is matched with the steel wire and the positioning nail grasping the steel wire to play a role of supporting and hanging, and the matching and the supporting and the hanging can be accurately leveled.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the track fastener, the clamp plate base is of an integrated structure, when the steel rail is arranged on the clamp plate base, the stress surfaces of the clamp plate base and the concrete foundation are greatly increased, and the local part of the concrete foundation cannot be damaged when the track fastener is used; meanwhile, the track fastener is provided with bolt assemblies with two functions, one bolt assembly is used for connecting the track fastener and the concrete foundation, the other bolt is used for connecting track fastener parts, and the fastener bolt is not in direct contact with the concrete foundation according to the special design of the bolt, so that the bolt is more stable; and the bottom of this track fastener's top board is provided with the dog, is provided with the arch on the clamp plate base, when constituteing the track fastener, forms to agree with between dog, arch, the rail and connects, and increase lifting surface forms self-locking function, can effectively alleviate the effect of hoist lateral force to the track fastener like this, guarantees that the track fastener is not hard up, does not drop to make the track fastener can not destroy easily.

2. The utility model discloses the top board passes through flexible pressure head and is connected with the rail, can automatically regulated vertical direction and longitudinal stress, solves the not hard up problem of bolt.

Drawings

Fig. 1 is a schematic view of the track fastener structure of the present invention.

Fig. 2 is a schematic view of the bottom structure of the upper platen.

Fig. 3 is a schematic view of a platen base structure.

Icon: 1-a platen base; 11-a bump; 12-bolt holes; 13-a groove; 14-through slots; 2-an upper pressing plate; 21-a stopper; 22-a flexible indenter; 23-a strip-shaped hole; 3-a second bolt assembly; 4-steel rail.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

A track fastener is shown in figure 1 and comprises a pressure plate base 1, two upper pressure plates 2, a first bolt assembly and two second bolt assemblies 3;

two bulges 11 are arranged on the pressing plate base 1, and the two bulges 11 are symmetrically arranged along the central line of the pressing plate base 1. The space between the two bulges 11 is used for placing the steel rail 4.

As shown in fig. 2, a stopper 21 is provided at the bottom of each of the upper press plates 2; the stop 21 is a wedge-shaped structural member.

As shown in fig. 3 in particular, two bolt holes 12 are symmetrically distributed on the pressure plate base 1, and the bolt holes 12 are used for connecting the pressure plate base 1 with a concrete foundation through the cooperation with the first bolt assemblies; the protrusion 11 is provided with a cavity, the cavity is used for arranging the second bolt assembly 3, as shown in fig. 1, the second bolt assembly 3 is used for fixing one end in the cavity of the protrusion 11, the other end penetrates through the strip-shaped hole 23 on the upper press plate 2 and then is fixedly connected with the upper press plate 2, meanwhile, the stop block 21 is stressed and attached to the bottom of the steel rail 4, and the stop block 21 is stressed and attached to the side face of the protrusion 11. The protrusion 11, the stopper 21 and the steel rail 4 form a fit connection, wherein the first bolt assembly and the second bolt assembly 3 comprise T-shaped bolts.

The bottom of the upper pressing plate 2 is provided with a flexible pressing head 22, and the upper pressing plate 2 is erected on the steel rail 4 through the flexible pressing head 22. The upper pressing plate 2 is connected with the steel rail 4 through the flexible pressing head 22, and the vertical direction and the longitudinal stress of the upper pressing plate 2 can be automatically adjusted, so that the problem of bolt looseness can be solved.

As shown in fig. 3, the bottom of the pressure plate base 1 is provided with a groove 13. Set up recess 13 in the clamp plate bottom on the one hand can effectively alleviate the weight of steel backing plate, on the other hand can increase the adhesive force of clamp plate base 1 at the horizontal plane after the clay is poured, strengthens clamp plate base 1 to the steady power of left and right directions, better fixed clamp plate base 1. The pressure plate base 1 is provided with a through slot 14. The setting of the through groove 14 can simplify the construction and installation steps, save the installation time and ensure the installation precision, the fine through groove 14 is matched with a steel wire and a positioning nail grasping the steel wire to play a role of supporting and hanging, and the fine through groove can be matched with a supporting and hanging device to accurately level.

In the track fastener of the utility model, the clamp plate base 1 is of an integrated structure, when the steel rail 4 is arranged on the clamp plate base 1, the stress surfaces of the clamp plate base 1 and the concrete foundation are greatly increased, and the local part of the concrete foundation cannot be damaged when in use; meanwhile, the track fastener is provided with bolt assemblies with two functions, one bolt assembly is used for connecting the track fastener and the concrete foundation, the other bolt assembly is used for connecting track fastener parts, and the fastener bolt is not in direct contact with the concrete foundation according to the special design of the bolt, so that the bolt is more stable; and the bottom of the upper pressure plate 2 of the track fastener is provided with a stop block 21, and a bulge 11 is arranged on the pressure plate base 1, when the track fastener is formed, the stop block 21, the bulge 11 and the steel rail 4 are in fit connection, so that the stress area is increased to form a self-locking function, the effect of the lateral force of the crane on the track fastener can be effectively relieved, the track fastener is ensured not to be loosened and fall off, and the track fastener can not be easily damaged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A rail fastener is characterized by comprising a pressure plate base (1), two upper pressure plates (2), a first bolt assembly and two second bolt assemblies (3);

two bulges (11) are arranged on the pressing plate base (1), and a space between the two bulges (11) is used for placing a steel rail (4); the pressing plate base (1) is provided with a bolt hole (12), and the bolt hole (12) is used for connecting the pressing plate base (1) with a concrete foundation through matching with the first bolt assembly;

a stop block (21) is arranged at the bottom of each upper pressure plate (2);

protruding (11) are provided with the cavity, the cavity is used for the adaptation second bolt assembly (3), second bolt assembly (3) are used for one end to be fixed in the cavity of protruding (11), other end fixed connection top board (2), simultaneously, dog (21) both atress laminating the rail end of rail (4), dog (21) again atress laminating the side of protruding (11).

2. The rail clip according to claim 1, wherein the two projections (11) are arranged in a central symmetry along the center line of the platen base (1).

3. Rail clip according to claim 1, characterized in that the pressure plate base (1) is provided with at least two bolt holes (12).

4. Rail clip according to claim 3, in which at least two of the bolt holes (12) are evenly distributed.

5. Rail clip according to claim 1, characterized in that the stop (21) is a wedge-shaped structure.

6. The rail clip according to claim 1, wherein a flexible ram (22) is provided at the bottom of the upper platen (2), and the upper platen (2) is mounted on the steel rail (4) by the flexible ram (22).

7. Track fastener according to claim 6, characterized in that said flexible indenter (22) is a structural element of rubber material.

8. Rail clip according to claim 1, characterized in that a rubber pad is arranged between the pressure plate base (1) and the bottom of the rail (4).

9. Track fastener according to claim 1, characterized in that the first and/or second bolt assembly (3) comprises a T-bolt.

10. Track fastener according to any one of claims 1-9, characterized in that the bottom of the pressure plate base (1) is provided with at least one groove (13).