Locomotive bogie traction pad Technical field [0001] The present utility model relates to a device with a buffering and shock absorption function, specifically a locomotive bogie traction pad.
Background technique:
[0002] The high-speed locomotive bogie traction pad is a key functional component of the locomotive bogie, which mainly plays a role of buffering and shock isolation. It can alleviate the impact of line irregularities on the vehicle and ensure that the vehicle has good running stability and safety. Make the vehicle have good straight line stability and curve passing ability. [0003] The locomotive bogie traction pad is mainly composed of metal parts and rubber materials, and the rubber materials are used to cushion vibration. Due to the unreasonable structure of the existing traction pad, there are problems in the actual operation process such as low axial tangential stiffness, poor shock isolation performance and elastic reset ability. In addition, because the locomotive is subjected to high traction at low speeds, there is a high axial load variable, and it moves strongly at high speeds. The metal parts and rubber materials often separate from each other due to insufficient bonding strength, which directly affects the bogie traction pad products. The actual use performance. SUMMARY OF THE INVENTION [0004] The purpose of the present utility model is to overcome the deficiencies in the prior art and provide a locomotive bogie traction pad with a simple and reasonable structure, which has good shear resistance, creep resistance and reset performance, and can ensure locomotives Stable and safe operation, so that the vehicle has good straight line stability and curve passing ability, and the product has a long service life. [0005] According to the technical solution provided by the present utility model, the locomotive bogie traction pad includes an upper connecting plate, a lower connecting plate and a rubber composite layer. The upper connecting plate and the lower connecting plate are respectively fixed with positioning pins, and the rubber composite layer is arranged on The upper connecting plate and the lower connecting plate are combined and fixed with them, and are characterized in that the rubber composite layer includes at least two rubber layers, and a partition board is combined and fixed between adjacent rubber layers. [0006] As a further improvement of the present invention, the ratio of the thickness of the rubber layer to the separator in the rubber composite layer is 4:1 5:1. [0007] As a further improvement of the present invention, the rubber layer is made of rubber material, the upper connecting plate, the lower connecting plate and the partition are all made of metal material, and the rubber layer is connected to the upper connecting plate and the lower connecting plate. Both the connecting plate and the partition are fixed into one body through the rubber vulcanization of the rubber layer. [0008] As a further improvement of the present utility model, the outer edge of the rubber layer is set as an internal fillet structure. [0009] As a further improvement of the utility model, the upper connecting plate, the lower connecting plate and the rubber composite layer are rectangular structures with rounded corners. [0010] As a further improvement of the present utility model, the partition is evenly provided with a plurality of small holes arranged in vertical and horizontal directions. [0011] As a further improvement of the utility model, the rubber layer in the rubber composite layer has four layers, and there are three partitions. [0012] Compared with the prior art, the utility model has the advantage that the utility model arranges the multi-layer rubber layer and the multi-layer separator at intervals, and reasonably designs the thickness of the separator and the rubber layer, thereby improving the axial direction of the product. The tangent stiffness and elastic reset ability ensure the stable and safe operation of the locomotive, and the vehicle has good straight-line stability and curve passing ability. The metal part and the rubber layer in the utility model are vulcanized and fixed into a whole by the rubber layer of the rubber layer, which ensures the bonding strength between the rubber layer and the metal part, so that the product does not have rubber cracks and metal and rubber peeling during operation. Phenomenon, extending the service life of the product.
[0013] Figure 1 is a schematic structural view of the utility model. [0014] FIG. 2 is a top view of FIG. 1. [0015] FIG. 3 is a schematic diagram of the structure of the partition in the utility model.
Detailed ways
[0016] As shown in Figures 1 and 2, the locomotive bogie traction pad of the present invention is mainly composed of an upper connecting plate 1, a lower connecting plate 3 and a rubber composite layer 2. The upper connecting plate 1, the lower connecting plate 3 The rubber composite layer 2 is a rounded rectangular structure. The upper connecting plate 1 and the lower connecting plate 3 are respectively fixed with positioning pins 4, and the rubber composite layer 2 is arranged between the upper connecting plate 1 and the lower connecting plate 3 and is fixed in combination with them. The rubber composite layer 2 is composed of four rubber layers plus three separators 2b, and the four rubber layers plus three separators 2b are arranged at intervals and fixed to each other. [0017] In the present invention, the ratio of the thickness of the rubber layer plus the separator 2b is set to 4 to 5 to 1. The design of the thickness ratio is reasonable, so that the traction pad has good axial tangential stiffness and elastic reset ability, ensures the stable and safe operation of the locomotive, and makes the vehicle have good straight-line stability and curve passing ability. [0018] As shown in FIG. 1, the rubber layer in the present invention is made of rubber material, and the upper connecting plate 1, the lower connecting plate 3 and the partition 2b are all made of metal material, and the rubber layer is added The upper connecting plate 1, the lower connecting plate 3, and the partition plate 2b are all vulcanized and fixed into a whole by the rubber added by the rubber layer; this combination and fixing method ensures the bonding strength between the rubber layer and the metal parts, so that There is no rubber cracking and metal and rubber peeling phenomenon during the operation of the product, which prolongs the service life of the product. In addition, as shown in Fig. 3, the partition plate 2b is uniformly provided with three rows and three rows of small holes. By opening a plurality of small holes in the partition plate 2b, the rubber layer 2b can be more firmly combined with the partition plate 2b. The outer edge of the rubber layer is provided with an inner rounded structure, which can effectively improve the fatigue resistance physical properties of the traction pad. [0019] In specific applications, the positioning pins 4 on the upper connecting plate 1 and the lower connecting plate 3 are used for positioning and installation. The present utility model is preloaded and installed on the traction center pivot block in a certain way of calculating the preload value. The upper rubber composite layer 2 composed of the partition 2b and the rubber layer plus maintains a compressed state during the operation of the locomotive, and generates damping force during shearing and compression, so as to ease the high traction force of the locomotive at low speed and the strong force at high speed. Exercise to alleviate the impact of uneven lines on the vehicle.
Claim 1. The locomotive bogie traction mat, comprising an upper connecting plate (1), a lower connecting plate (3) and a rubber composite layer (2), the upper connecting plate (1) and the lower connecting plate (3) are respectively fixed with positioning The pin (4) and the rubber composite layer (2) are arranged between the upper connecting plate (1) and the lower connecting plate (3) and are combined and fixed with them, characterized in that the rubber composite layer (2) includes at least two layers of rubber In the layer (2a), a partition (2b) is bonded and fixed between adjacent rubber layers (2a).
2. The locomotive bogie traction mat according to claim 1, characterized in that the ratio of the thickness of the rubber layer (2a) to the partition (2b) in the rubber composite layer (2) is 4:5:1.
3. The locomotive bogie traction mat according to claim 1, characterized in that the rubber layer (2a) is made of rubber material, and the upper connecting plate (1), the lower connecting plate (3) and the partition ( 2b) are made of metal materials. The rubber layer (2a) and the upper connecting plate (1), the lower connecting plate (3), and the partition (2b) are all cured by the rubber layer (2a). Connected into one.
4. The locomotive bogie traction mat according to claim 1, characterized in that the outer edge of the rubber layer (2a) is configured as an inner rounded structure.
5. The locomotive bogie traction pad according to claim 1, characterized in that as a further improvement of the utility model, the upper connecting plate (1), the lower connecting plate (3) and the rubber composite layer (2) are round Angular rectangular structure.
6. The locomotive bogie traction mat according to claim 1, characterized in that the partition (2b) is evenly provided with a plurality of small holes arranged vertically and horizontally.
7. The locomotive bogie traction mat according to claim 1, characterized in that the rubber layer (2a) in the rubber composite layer (2) has four layers, and the partition (2b) has three pieces.
Patent Abstract The utility model relates to a traction pad for a locomotive bogie. It includes an upper connecting plate, a lower connecting plate and a rubber composite layer. The upper connecting plate and the lower connecting plate are respectively fixed with positioning pins. The rubber composite layer is arranged between the upper connecting plate and the lower connecting plate and is fixed in combination with them. The rubber composite layer includes at least two rubber layers, and a partition is fixed between adjacent rubber layers. By arranging the multi-layer rubber layer and the multi-layer partition at intervals, and reasonably designing the thickness of the partition and the rubber layer, the utility model improves the axial tangential rigidity and elastic reset ability of the product, ensures the stable and safe operation of the locomotive, and makes the vehicle It has good straight line stability and curve passing ability. The metal part and the rubber layer in the utility model are integrated by the rubber layer of the rubber vulcanization and solidification, which ensures the bonding strength between the rubber layer and the metal part, so that no rubber cracks and metal and rubber peeling occur during the operation of the product. Phenomenon, extending the service life of the product.