阅读说明：本技术 有轨电车扣件及其基板 (Tramcar fastener and base plate thereof ) 是由 曾华亮 王运涛 张亚爽 徐娟娟 刘信立 龚小平 于 2018-06-28 设计创作，主要内容包括：本发明涉及有轨电车领域,具体涉及一种有轨电车扣件基板。该基板包括基板本体,基板本体的底部开设有用于容纳混凝土的空腔,该空腔用于在基板本体与混凝土基础连接时,使混凝土进入到其中,从而使基板与凝固后的混凝土基础形成较稳固的连接,基板本体上设有通向空腔的排气孔,在混凝土进入空腔的过程中,空腔内的气体由排气孔排出空腔之外,从而使混凝土能够更快速、更充分的进入到空腔,由此既提升了施工效率,又加强了基板本体与混凝土的连接强度。(The invention relates to the field of tramcars, in particular to a tramcar fastener base plate. This base plate includes the base plate body, the cavity that is used for holding the concrete is offered to the bottom of base plate body, this cavity is used for when base plate body is connected with the concrete foundation, make the concrete enter into wherein, thereby make the base plate form more firm with the concrete foundation after solidifying and be connected, be equipped with the exhaust hole that accesss to the cavity on the base plate body, get into the in-process of cavity at the concrete, gas in the cavity is outside the cavity by exhaust hole discharge, thereby make the concrete can be quicker, more abundant entering into the cavity, from this both promoted the efficiency of construction, the joint strength of base plate body and concrete has been strengthened again.)

1. The tram fastener base plate is characterized by comprising a base plate body, wherein a cavity used for containing concrete is formed in the bottom of the base plate body, and an exhaust hole leading to the cavity is formed in the base plate body.

2. The tram fastener baseplate of claim 1 wherein a stiffener assembly is disposed within the cavity, the stiffener assembly being attached to an interior wall of the cavity.

3. The tram fastener baseplate of claim 2 wherein the stiffener assembly is in the form of a grid with a space between the stiffener assembly and the top interior wall of the cavity.

4. The tram fastener base plate of claim 2, wherein the stiffener assembly is in a grid shape, the stiffener assembly is connected to the top inner wall and the side inner wall of the cavity, through holes are formed between meshes of the stiffener assembly, and the through holes are attached to the top inner wall of the cavity.

5. The tramcar fastener base plate as claimed in claim 2, wherein the base plate body is provided at both ends thereof with insertion portions for inserting a screw spike, and the rib assemblies are radially arranged at portions between outer walls of the insertion portions and inner walls of the side portions of the cavity.

6. The tram fastener base plate of claim 1, wherein the number of vent holes is plural.

7. The tram fastener base plate of claim 1, wherein the base plate body is a non-metallic material.

8. A tram fastener comprising a tram fastener substrate as claimed in any one of claims 1 to 7.

Technical Field

The invention relates to the field of tramcars, in particular to a tramcar fastener and a base plate thereof.

Background

The concrete sleeper fastener is a connecting part used for connecting a steel rail and a concrete sleeper on a concrete sleeper track, the base plate is a foundation for bearing the connecting part and is an important part of a tramcar fastener system, the base plate is used for bearing the steel rail force and transmitting the steel rail force to a lower foundation, the corrosion resistance and the insulativity of the fastener are ensured, the stress state of the fastener is kept, and the base plate needs to be poured on the concrete foundation and is tightly combined with the concrete.

In order to improve the bonding strength between the base plate and the concrete, the bottom of the base plate of the existing tramcar fastener is hollowed out so that the concrete can enter the base plate, and the fastener and the lower foundation are integrated after solidification. However, because the side surface and the top surface of the base plate are closed, the concrete entering is influenced because the air in the base plate is not exhausted, so that the concrete at the bottom of the base plate is not densely filled, and the bonding strength is not high.

Disclosure of Invention

The invention aims to solve the technical problems that concrete filling at the bottom of a base plate of a conventional tramcar fastener is not compact and bonding strength is not high.

In order to solve the technical problem, the invention provides a tramcar fastener base plate which comprises a base plate body, wherein a cavity for containing concrete is formed in the bottom of the base plate body, and an exhaust hole leading to the cavity is formed in the base plate body.

Optionally, a reinforcing rib assembly is arranged in the cavity, and the reinforcing rib assembly is connected with the inner wall of the cavity.

Optionally, the stiffener assembly is in a grid shape, and a space is provided between the stiffener assembly and the top inner wall of the cavity.

Optionally, the strengthening rib subassembly is latticed, the strengthening rib subassembly with the top inner wall and the lateral part inner wall of cavity are connected, be equipped with the through-hole between each mesh of strengthening rib subassembly, the through-hole with the top inner wall of cavity pastes.

Optionally, the two ends of the substrate body are provided with insertion parts for inserting the spiral spike, and the reinforcing rib assemblies are arranged between the outer wall of the insertion part and the inner wall of the side part of the cavity and are in a circumferential radial shape.

Optionally, the number of the exhaust holes is multiple.

Optionally, the substrate body is made of a non-metal material.

The invention also provides a tramcar fastener base plate, which comprises a base plate body, wherein the bottom of the base plate body is provided with a cavity for containing concrete, and the cavity is used for enabling the concrete to enter when the base plate body is connected with a concrete foundation, so that the base plate and the solidified concrete foundation form firm connection. The base plate body of this embodiment is equipped with the exhaust hole that leads to the cavity, and at the in-process that the concrete got into the cavity, the gas in the cavity was outside the cavity by the exhaust hole discharge cavity to make the concrete can be faster, more abundant entering into the cavity, both promoted the efficiency of construction from this, strengthened the joint strength of base plate body and concrete again.

Drawings

Fig. 1 is a schematic view of a fastener substrate for a tramcar according to an embodiment of the invention.

Reference numerals:

1. a substrate body; 2. an exhaust hole; 3. a stiffener assembly; 4. a grid; 5. a connecting portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, the tramcar fastener base plate provided by the embodiment of the invention includes a base plate body 1, a cavity for accommodating concrete is formed at the bottom of the base plate body 1, and the cavity is used for allowing concrete to enter when the base plate body 1 is connected with a concrete foundation, so that the base plate and the solidified concrete foundation form a relatively stable connection.

Be equipped with the exhaust hole 2 that leads to the cavity on the base plate body 1 of this embodiment, the quantity of this exhaust hole 2 can be a plurality of, and at the in-process that the concrete got into the cavity, the gas in the cavity was discharged outside the cavity by exhaust hole 2 to make the concrete can be faster, more abundant entering into the cavity, both promoted the efficiency of construction from this, strengthened the joint strength of base plate body 1 with the concrete again.

In some embodiments, a reinforcing rib assembly 3 is arranged in the cavity, the reinforcing rib assembly 3 is composed of a plurality of reinforcing ribs, each reinforcing rib is connected with at least two inner walls of the cavity and is used for supporting the inner walls of the cavity, and the reinforcing ribs can be plate-shaped, spoke-shaped or any other shape capable of playing a supporting and reinforcing role; the reinforcing ribs can be arranged in a spaced array manner or in a crossed grid manner.

In some preferred embodiments, the reinforcing rib assemblies 3 are in a grid shape, and a gap is formed between the reinforcing rib assemblies 3 and the inner wall of the top of the cavity, when concrete is filled from the bottom of the cavity, the gap can enable the grids 4 of the reinforcing rib assemblies 3 to be communicated, and the communicated space can be communicated with the outside through the exhaust holes 2, so that in the process of continuous injection of the concrete, the interior of each grid 4 can be fully filled, a part of the concrete can enter the gap above the reinforcing rib assemblies 3, and after the concrete is solidified, the concrete in the gap is in anti-falling fit with the reinforcing rib assemblies 3, so that the connection strength of the substrate body 1 and the concrete is greatly improved.

In other embodiments, the reinforcing rib assemblies 3 are in a grid shape, the reinforcing rib assemblies 3 are connected with the top inner wall and the side inner wall of the cavity, through holes are formed among the grids 4 of the reinforcing rib assemblies 3, the grids 4 are communicated into a whole through the through holes, and in the process that concrete is injected into the grids 4, gas in the grids 4 is exhausted through the through holes and the exhaust holes 2 in sequence; in addition, the through holes may be attached to the inner wall of the top of the cavity, i.e. the through holes are located as close to the top of the cavity as possible, thereby allowing the gas in the grid 4 to be sufficiently exhausted and avoiding closing the through holes when the grid 4 is not filled with concrete.

In some embodiments, the two ends of the substrate body 1 are provided with insertion parts for inserting the spiral spike, and a part of the reinforcing rib assemblies 3 between the outer wall of the insertion part and the inner wall of the side part of the cavity are in a circumferential radial shape, that is, a plurality of reinforcing ribs are circumferentially arrayed on the outer wall of the connecting part 5, the inner end of each reinforcing rib is connected with the outer wall of the connecting part 5, and the outer end of each reinforcing rib is connected with the inner wall of the cavity. Because the space between the plug part and the inner wall of the cavity is annular, a plurality of reinforcing ribs radially distributed on the circumference can play a good role in fixing the connecting part 5.

In some embodiments, the substrate body 1 is made of a non-metal material, and the non-metal material of the substrate can ensure the corrosion resistance and the insulation property of the fastener.

The invention also provides a tramcar fastener, which comprises the tramcar fastener base plate in any one of the embodiments, and the fastener arranged on the base plate can also form a reliable fixing effect on a track because the base plate can form stable and firm connection with a concrete foundation.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.