III-type elastic strip base plate mechanism of concrete sleeper

Abstract

The utility model discloses a concrete sleeper III-type elastic strip base plate mechanism which comprises a base plate, rectangular concave corners are formed in the four corners of the base plate in a penetrating mode, a fixing cushion groove is formed in the inner wall of the middle of each rectangular concave corner, a rubber protection cushion is bonded to the inner wall of each fixing cushion groove, and ejector blocks are welded to the two corners of the top of the base plate. An arc-shaped slope is arranged on the outer wall of the top of the top block, a slope chamfer is formed in one side of the top of the top block, a positioning groove is formed in the outer wall of the top of the base plate, fixing clamping grooves are formed in the four corners of the bottom of the base plate, and a rectangular fixing frame is installed on the inner walls of the fixing clamping grooves in a clamped mode; the rectangular concave corners are formed in the four corners of the base plate and matched with the clamped rectangular fixing frame arranged at the bottom, so that the base plate can be quickly positioned and fixed, the rubber protection pads are arranged on the contact surfaces of the inner walls of the concave corners, contact gaps can be greatly reduced, and the stability after installation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway parts and components, in particular to a concrete pillow III-type spring bar pad mechanism. Background Art

[0002] Concrete sleepers are concrete products used as railway sleepers. Cement, sand, stone, water and admixtures are mixed into a mixture in a certain proportion and injected into a combined mold equipped with steel wire or steel bar and sleeper accessories. The concrete sleeper products are made by vibration molding or load vibration molding, steam curing, loosening steel wire or steel bar, cutting the end of the sleeper, etc. In recent years, due to the frequent railway transportation volume and the increase in load year by year, the original concrete sleeper gauge baffle with type I and II spring clip has limited pressure, resulting in serious line creep in heavy-load areas. It is urgent to design a type III spring clip pad for concrete sleepers with type III spring clip fasteners to replace the original type I and II spring clip fasteners. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a concrete pillow III type spring bar pad mechanism.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A concrete pillow type III spring bar pad mechanism comprises a pad, wherein the four corners of the pad are penetrated by rectangular concave corners, the middle inner wall of the rectangular concave corner is provided with a fixed pad groove, the inner wall of the fixed pad groove is bonded with a rubber protective pad, the top two corners of the pad are welded with top blocks, the top outer wall of the top block is provided with an arc-shaped slope, one side of the top of the top block is provided with an inclined chamfer, and the top outer wall of the pad is provided with a positioning groove.

[0006] As a further solution of the utility model: the four corners of the bottom of the pad are all provided with fixing slots, and the inner walls of the fixing slots are clamped and installed with rectangular fixing frames.

[0007] As a further solution of the utility model: an outer wall on one side of the top block is provided with an elastic bar insertion hole, and the inner wall at the top of the elastic bar insertion hole is in an arc-shaped arch structure.

[0008] As a further solution of the utility model: a first stopper is welded to an outer wall on one side of the top of the pad, and a second stopper is welded to an outer wall on the other side of the top of the pad.

[0009] As a further solution of the utility model: the outer walls of the first stopper and the second stopper are both located in the same vertical plane as the side wall of the top block.

[0010] As a further solution of the utility model: both ends of the outer wall at the top of the pad are provided with penetrating fixing grooves, and the inner walls of the fixing grooves are plugged with fixing bolts.

[0011] As a further solution of the utility model: an anti-skid pad is bonded to the outer wall of the bottom of the pad, and the outer wall of the anti-skid pad is provided with circular grooves distributed at equal distances, and the inner walls of the circular grooves are all installed with anti-skid bumps.

[0012] Compared with the prior art, the utility model provides a concrete pillow type III spring bar pad mechanism, which has the following beneficial effects:

[0013] 1. A concrete pillow III type spring bar pad mechanism, which can quickly position and fix the pad by opening rectangular concave corners at the four corners of the pad and cooperating with a rectangular fixing frame arranged at the bottom, and the contact surface of the inner wall of the concave corner is provided with a rubber protective pad, which can greatly reduce the contact gap and improve the stability after installation.

[0014] 2. A concrete sleeper III type spring bar pad mechanism. The designed concrete sleeper III type spring bar pad is used on concrete sleepers to replace the original I and II type spring bar fasteners, which increases the fastener buckling pressure and effectively stops rail creeping. The pad spring bar is easy to assemble, which not only improves the maintenance efficiency but also ensures driving safety.

[0015] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a concrete pillow type III spring bar pad mechanism proposed by the utility model;

[0017] Figure 2 It is a top view of the overall structure of a concrete pillow type III spring bar pad mechanism proposed by the utility model;

[0018] Figure 3 This is a first-view structural schematic diagram of a concrete pillow type III spring bar pad mechanism proposed by the utility model;

[0019] Figure 4 The utility model is a side view of the overall structure of a concrete pillow type III spring bar pad mechanism.

[0020] In the figure: 1, pad; 2, rectangular concave corner; 3, fixed pad groove; 4, rubber protective pad; 5, fixed card slot; 6, rectangular fixing frame; 7, top block; 8, spring bar insertion hole; 9, arc slope; 10, chamfered bevel; 11, positioning groove; 12, first stopper; 13, second stopper; 14, fixed through groove; 15, fixing bolt; 16, anti-skid gasket; 17, circular groove; 18, anti-skid protrusion. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Embodiment 1:

[0023] A concrete pillow type III spring bar pad mechanism, this embodiment is based on the concrete pillow spring bar pad fastener buckle pressure is insufficient, in order to improve the overall buckle pressure, such as Figure 1-4 As shown, it comprises a pad 1, wherein the four corners of the pad 1 are penetrated with rectangular concave corners 2, the middle inner wall of the rectangular concave corner 2 is provided with a fixed pad groove 3, the inner wall of the fixed pad groove 3 is bonded with a rubber protective pad 4, the top two corners of the pad 1 are welded with a top block 7, the top outer wall of the top block 7 is provided with an arc slope 9, the top side of the top block 7 is provided with an inclined chamfer 10, and the top outer wall of the pad 1 is provided with a positioning groove 11;

[0024] By opening rectangular recessed corners 2 at the four corners of the pad 1 and cooperating with a rectangular fixing frame 6 set at the bottom, the pad 1 can be quickly positioned and fixed, and the contact surface of the inner wall of the recessed corner is provided with a rubber protective pad 4, which can greatly reduce the contact gap and improve the stability after installation.

[0025] The bottom four corners of the backing plate 1 are all provided with fixing slots 5, and the inner wall of the fixing slots 5 is clamped with a rectangular fixing frame 6, the outer wall of one side of the top block 7 is provided with an elastic bar insertion hole 8, and the inner wall at the top of the elastic bar insertion hole 8 is an arc-shaped arch structure, a first stopper 12 is welded to the outer wall of one side of the top of the backing plate 1, and a second stopper 13 is welded to the outer wall of the other side of the top of the backing plate 1, and the outer walls of the first stopper 12 and the second stopper 13 are both located in the same vertical plane as the side wall of the top block 7;

[0026] The designed concrete sleeper type III spring bar pad is used on concrete sleepers to replace the original type I and II spring bar fasteners, which increases the fastener buckling pressure and effectively stops rail creeping. The spring bar of the pad 1 is easy to assemble, which not only improves the maintenance efficiency but also ensures driving safety.

[0027] When this embodiment is used, first, on the basis of the original wooden sleeper III type spring bar pad 1, improvements are made according to the length and width of the concrete sleeper bearing rail groove, and at the same time, the three square holes of the spikes are changed into two spiral spike round holes, and the four corners of the pad 1 are aligned with the positioning blocks on the wooden sleeper. When sliding down and plugging and fixing, the rectangular fixing frame 6 is first fixedly installed on the inner wall of the fixing slot 5, and then the rectangular fixing frame 6 is plugged and installed on the wooden sleeper for fixed installation. After the fixing is completed, the fixing bolts 15 are screwed and fixed to the wooden sleeper, so as to fix the pad 1, and then the spring bar is plugged into the inside of the spring bar insertion hole 8.

[0028] Embodiment 2:

[0029] A concrete pillow type III spring bar pad mechanism, such as Figure 1-4 As shown, this embodiment makes the following supplements on the basis of embodiment 1: both ends of the top outer wall of the pad 1 are provided with penetrating fixing grooves 14, and the inner wall of the fixing grooves 14 is inserted with fixing bolts 15, and the bottom outer wall of the pad 1 is bonded with an anti-skid gasket 16, and the outer wall of the anti-skid gasket 16 is provided with circular grooves 17 distributed at equal distances, and the inner walls of the circular grooves 17 are installed with anti-skid protrusions 18.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concrete pillow type III spring bar pad mechanism, comprising a pad (1), characterized in that: The four corners of the pad (1) are penetrated by rectangular concave corners (2), the middle inner wall of the rectangular concave corner (2) is provided with a fixed pad groove (3), the inner wall of the fixed pad groove (3) is bonded with a rubber protective pad (4), the top two corners of the pad (1) are welded with a top block (7), the top outer wall of the top block (7) is provided with an arc-shaped slope surface (9), one side of the top of the top block (7) is provided with an inclined chamfer (10), and the top outer wall of the pad (1) is provided with a positioning groove (11).

2. A concrete pillow type III spring bar pad mechanism according to claim 1, characterized in that: The bottom four corners of the pad (1) are all provided with fixing slots (5), and the inner walls of the fixing slots (5) are clamped and mounted with rectangular fixing frames (6).

3. A concrete pillow type III spring bar pad mechanism according to claim 1, characterized in that: An elastic bar insertion hole (8) is formed on one side outer wall of the top block (7), and the inner wall at the top of the elastic bar insertion hole (8) is in an arc-shaped arch structure.

4. A concrete pillow type III spring bar pad mechanism according to claim 1, characterized in that: A first stopper (12) is welded to an outer wall on one side of the top of the pad (1), and a second stopper (13) is welded to an outer wall on the other side of the top of the pad (1).

5. A concrete pillow type III spring bar pad mechanism according to claim 4, characterized in that: The outer walls of the first stopper (12) and the second stopper (13) are both located in the same vertical plane as the side wall of the top block (7).

6. A concrete pillow type III spring bar pad mechanism according to claim 1, characterized in that: Both ends of the top outer wall of the pad (1) are provided with penetrating fixing grooves (14), and fixing bolts (15) are inserted into the inner walls of the fixing grooves (14).

7. A concrete pillow type III spring bar pad mechanism according to claim 1, characterized in that: The bottom outer wall of the pad (1) is bonded with an anti-skid pad (16), and the outer wall of the anti-skid pad (16) is provided with circular grooves (17) distributed at equal distances, and the inner walls of the circular grooves (17) are all provided with anti-skid protrusions (18).

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