Novel composite surfacing wear-resistant single-tooth roller hammerhead
By combining composite welding and a water atomization system, the wear problem of welded wear-resistant single-tooth roller hammers in harsh environments has been solved, improving wear resistance and service life, reducing equipment failures, and promoting the application of new materials and processes in the steel industry.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2026-03-24
AI Technical Summary
Existing wear-resistant single-tooth roller hammers with overlay welding are prone to wear under high temperature, dust, and heavy load conditions, resulting in short service life, frequent equipment failures, and reduced steel production efficiency.
The composite overlay welding technology is adopted, using Q235 steel plate as the skeleton, filling the surrounding area with wear-resistant material, and forming a wear-resistant layer through welding. Combined with a water atomization system, it can reduce temperature and prevent wear.
It improves the bonding between the wear-resistant layer and the substrate, extends the service life of the equipment, reduces the failure rate, and improves the efficiency of steel production.
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Figure CN224025155U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surfacing technology field, concretely is a novel composite surfacing wear -resisting single tooth roll hammer head. BACKGROUND
[0002] The background of the surfacing wear -resisting single tooth roll hammer head mainly relates to improving the wear resistance and service life of the hammer head of the crusher, in the sintering process of the steel enterprise, the single tooth roll crusher is the important equipment of crushing the big hot sintered cake, and its working environment is extremely bad, including high temperature, much dust and heavy load conditions, these conditions lead to the serious wear of the hammer head and grate plate and other components, and the service life is short, generally only 3 to 5 months, thereby the efficiency of the steel production is affected, in order to improve the wear resistance of the hammer head of the crusher, the surfacing technology is widely used, the surfacing is a kind of process that a layer of material with special performance is deposited on the surface of a part, and the purpose is to make the surface of the part obtain the special performance of wear resistance, heat resistance and corrosion resistance, for the hammer head of the single tooth roll crusher, the surfacing alloy with high wear resistance can be selected, such as tungsten carbide alloy, which is deposited on the surface of the hammer head by the surfacing technology to improve the wear resistance and service life, in order to fully exert the wear resistance of the surfacing alloy, a reasonable surfacing process needs to be formulated, including preheating before welding, slow cooling after welding and other measures, and selecting appropriate surfacing material and welding parameters etc.;
[0003] The cast hammer head has many defects, one is high casting cost, and has casting defects, two is that wear-resistant material is added to the easy-wearing part for high-temperature casting, the material has instability, and is easy to wear and fall off in actual use, and is prematurely invalid, leading to equipment failure, seriously threatening normal production, and a large amount of manpower and material resources are consumed for non-planned maintenance, therefore, the novel composite surfacing wear -resisting single tooth roll hammer head is provided. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a novel composite surfacing wear -resisting single tooth roll hammer head.
[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a novel composite surfacing wear -resisting single tooth roll hammer head, including wear structure, the wear structure includes hammer head female board, one end of the hammer head female board is fixedly installed with steel plate side plate one, the other end of the hammer head female board is fixedly installed with steel plate side plate two, the surface of the hammer head female board is fixedly installed with a plurality of steel plate strips away from the one end of steel plate side plate one and steel plate side plate two, a plurality of the steel plate strips are filled with wear -resistant material, a plurality of willow peg holes two are formed in the lower portion of the hammer head female board, willow peg hole one and plug welding hole are formed in the surface of steel plate side plate one and steel plate side plate two, the willow peg is connected with steel plate side plate one and steel plate side plate two by penetrating the willow peg hole two in the hammer head female board.
[0006] As a further scheme of the utility model: the quantity of the hammer head mother plate is two, two the hammer head mother plates are welded together, the hammer head mother plate is divided into two sections, the upper section is U-shaped, and the lower end is arc-shaped structure.
[0007] As a further scheme of the utility model: multiple the steel plate strips are combined into a square, and a square notch is reserved in the middle.
[0008] As a further scheme of the utility model: the steel plate side plate one and the steel plate side plate two are divided into two sections, the upper section of the steel plate side plate one and the steel plate side plate two is trapezoidal, the lower section of the steel plate side plate one and the steel plate side plate two is arc-shaped, and the shape is consistent with the lower section of the hammer head mother plate.
[0009] As a further scheme of the utility model: the lower end of the hammer head mother plate and the steel plate side plate one is attached to the single-tooth roller body main shaft and is fixedly connected.
[0010] As a further scheme of the utility model: the quantity of the wear structure is multiple, and the multiple wear structures are in triangular array on the surface of the single-tooth roller body main shaft.
[0011] As a further scheme of the utility model: the inside of the single-tooth roller body main shaft is provided with a water through hole and multiple S-shaped water outlets, and the shape of the multiple S-shaped water outlets is S-shaped.
[0012] The above technical scheme has the beneficial effects that, compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The composite type surfacing wear-resistant single-tooth roller hammer head is simple to manufacture, the strip-shaped interval groove filled with the surfacing layer can effectively prevent the wear-resistant layer from cracking and falling off, greatly increases the bonding degree of the wear-resistant layer and the base plate, greatly improves the service life, effectively improves the equipment life after installation, reduces the equipment failure, and promotes the application of new materials and new technology in the steel industry.
[0014] 2. The utility model discloses a water through hole and an S-shaped water outlet are arranged, when water flows out through the S-shaped water through hole, fine water mist is formed, the water mist particles can be combined with dust particles in the air, increase the weight of the dust, make the dust more easily settle, the water mist can also wet the dust surface, reduce the flying and diffusion of the dust, the cooling water absorbs the heat on the surface of the hammer head through heat exchange, thereby reducing the temperature of the hammer head.
[0015] Other advantages, objects and features of the utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 Structure diagram of hammer head mother plate and steel plate side plate one of the embodiment of the present application;
[0017] Figure 2 Explosion diagram of hammer head mother plate and steel plate side plate one of the embodiment of the present application;
[0018] Figure 3 Overall structure diagram of the embodiment of the present application;
[0019] Figure 4 Structure front view diagram of the embodiment of the present application.
[0020] In the drawing:
[0021] 11, hammer head mother plate; 12, steel plate side plate one; 13, steel plate side plate two; 14, steel plate strip; 15, surfacing layer; 16, willow peg hole one; 17, willow peg hole two; 18, willow peg; 19, plug welding hole;
[0022] 21, single-tooth roller body main shaft; 22, water through hole; 23, S-shaped water outlet. DETAILED DESCRIPTION
[0023] The specific embodiments of the present application will be further described below in conjunction with the drawings, and it should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.
[0024] In addition, the technical features involved in each of the embodiments of the present application described below can be combined with each other as long as there is no conflict between them.
[0025] Please refer to the drawings Figure 1 - the drawings Figure 4The utility model relates to a novel composite surfacing wear -resisting single tooth roller hammer head, including wearing and tearing structure, wearing and tearing structure includes hammer head female board 11, one end fixed mounting of hammer head female board 11 has steel plate side plate one 12, the other end fixed mounting of hammer head female board 11 has steel plate side plate two 13, the surface of hammer head female board 11 is away from the one end fixed mounting of steel plate side plate one 12 and steel plate side plate two 13 with multiple steel sheet strips 14, multiple steel sheet strips 14 are filled with wear -resisting material, multiple willow peg holes two 17 are seted up under hammer head female board 11, the surface of steel plate side plate one 12 and steel plate side plate two 13 is seted up with willow peg hole one 16 and plug weld hole 19, willow peg 18 is connected with steel plate side plate one 12 and steel plate side plate two 13 through willow peg hole two 17 in the inside of hammer head female board 11, and several hammer heads on single tooth roller are changed into composite splicing piece from integral casting, that is, use several different thicknesses Q235 steel plate as the framework, fill wear -resisting material in the square formed in the periphery, finally reliable welding with roller body, the specific scheme is as follows, use flame numerical control cutting thick steel plate of certain shape as hammer head female board 11, simultaneously make several rivet holes willow peg hole one 16 on female board according to the drawing, make two side plates, make several rivet holes willow peg hole one 16 and certain quantity's plug weld hole 19, connect and fix with the female board clamped in the middle position, make certain quantity's rivet willow peg 18, connect and fix the middle female board with two side plates, simultaneously plug weld hole 19 is plugged and welded and is strengthened integral degree, make two side weld wear -resisting material's squares with steel sheet strip 14, fill special wear -resisting electrode, the hardness reaches HRC60~65, after filling and being even, again surfacing layer 3~5mm wear -resistant layer on the surface, until the surface is even.
[0026] The number of hammer head mother plates 11 is two, two hammer head mother plates 11 are welded together, the hammer head mother plate 11 is divided into two sections, the upper section is U-shaped, the lower end is arc-shaped structure, a plurality of steel strips 14 are combined into a square, the gap between the slots is filled with a surfacing layer 15, which can effectively prevent the cracking and falling of the wear-resistant layer, greatly increase the bonding degree of the wear-resistant layer and the base plate, greatly improve the service life, effectively improve the service life of the equipment after installation, reduce the equipment failure, promote the application of new materials and new technology in the steel industry, and the intermediate square notch is reserved, the steel plate side plate one 12 and the steel plate side plate two 13 are divided into upper and lower sections, the upper section of the steel plate side plate one 12 and the steel plate side plate two 13 is trapezoidal, the lower section of the steel plate side plate one 12 and the steel plate side plate two 13 is arc-shaped, and the shape is consistent with the lower section of the hammer head mother plate 11, the lower end of the hammer head mother plate 11 and the steel plate side plate one 12 is attached to the single-tooth roller body main shaft 21 and is fixedly connected, the number of wear structures is multiple, and the multiple wear structures are arranged in a triangular array on the surface of the single-tooth roller body main shaft 21, the single-tooth roller body main shaft 21 is internally provided with a water passing hole 22 and a plurality of S-shaped water outlets 23, the plurality of S-shaped water outlets 23 are S-shaped, when water flows out through the S-shaped water passing hole 23, fine water mist is formed, the water mist particles can combine with dust particles in the air, increase the weight of the dust, and make it more easily settle, the water mist can also wet the dust surface, reduce the flying and diffusion of the dust, and the cooling water can absorb the heat on the surface of the hammer head through heat exchange, thereby reducing the temperature of the hammer head.
[0027] Working principle:
[0028] Firstly, a plurality of hammer heads on the single-tooth roller are changed from an integral casting part to a composite splicing part, that is, several Q235 steel plates with different thicknesses are used as skeletons, wear-resistant materials are filled in the square grids formed on the periphery, and finally the wear-resistant materials are reliably welded with the roller body, and the specific scheme is as follows: a certain shape of thick steel plate is used as a hammer head mother plate 11 by using flame numerical control cutting, a plurality of rivet holes 16 are made on the mother plate according to the drawing, two side plates are made, a plurality of rivet holes 16 and a certain number of plug welding holes 19 are made, which are used to connect and fix the mother plate clamped in the middle position, a certain number of rivets 18 are made, which are used to rivet and fix the middle mother plate and the two side plates, the plug welding holes 19 are plug welded to strengthen the integration, the steel strips 14 are used to make two sides of the welded wear-resistant material square, which are used to fill special wear-resistant electrodes with a hardness of HRC60-65, after filling and leveling, a layer of 3-5mm wear-resistant layer is stacked on the surface, until the surface is smooth, finally the prepared wear-resistant hammer head is installed on the single-tooth roller body main shaft 21, and is firmly welded.
[0029] The above front, rear, left, right, top and bottom are all in the Figure 1For the sake of reference, according to the standard of the perspective of the person, the side of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on.
[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.
[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments.
[0032] For those skilled in the art, various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A novel composite weld overlay wear-resistant single-tooth roller hammer, comprising a wear structure, characterized in that: The wear structure includes a hammerhead mother plate (11), one end of which is fixedly mounted with a steel plate side plate (12), and the other end of which is fixedly mounted with a steel plate side plate (13). Multiple steel strips (14) are fixedly mounted on the surface of the hammerhead mother plate (11) away from the steel plate side plate (12) and the steel plate side plate (13). Wear-resistant material is filled between the multiple steel strips (14). Multiple rivet holes (17) are opened at the bottom of the hammerhead mother plate (11). Rivet holes (16) and plug welding holes (19) are opened on the surface of the steel plate side plate (12) and the steel plate side plate (13). The rivets (18) penetrate the rivet holes (17) in the hammerhead mother plate (11) and connect to the steel plate side plate (12) and the steel plate side plate (13).
2. The novel composite weld overlay wear-resistant single-tooth roller hammer head according to claim 1, characterized in that: There are two hammerhead mother plates (11), which are welded together. The hammerhead mother plates (11) are divided into two sections, with the upper section being U-shaped and the lower section being arc-shaped.
3. The novel composite weld overlay wear-resistant single-tooth roller hammer head according to claim 1, characterized in that: Multiple steel strips (14) are combined into a square, with a square groove reserved in the middle.
4. The novel composite weld overlay wear-resistant single-tooth roller hammer head according to claim 1, characterized in that: The first (12) and the second (13) of the steel plate are divided into upper and lower sections. The upper section of the first (12) and the second (13) of the steel plate is trapezoidal, and the lower section of the first (12) and the second (13) of the steel plate is arc-shaped, and the shape is consistent with the lower section of the hammer head mother plate (11).
5. A novel composite weld overlay wear-resistant single-tooth roller hammerhead according to claim 1, characterized in that: The lower ends of the hammerhead mother plate (11) and the steel plate side plate (12) are attached to the main shaft (21) of the single-tooth roller body and are fixedly connected.
6. A novel composite weld overlay wear-resistant single-tooth roller hammerhead according to claim 1, characterized in that: There are multiple wear structures, which are arranged in a triangular array on the surface of the main shaft (21) of the single-tooth roller body.
7. A novel composite weld overlay wear-resistant single-tooth roller hammerhead according to claim 6, characterized in that: The main shaft (21) of the single-tooth roller body has a water passage hole (22) and multiple S-shaped water outlets (23) inside, and the multiple S-shaped water outlets (23) are S-shaped.