High-strength wear-resistant chain wheel

Abstract

The utility model relates to the technical field of chain wheels, and discloses a high-strength wear-resistant chain wheel which comprises a wheel ring, a plurality of first mounting holes are formed in the wheel ring, a mounting ring is fixedly mounted on the outer side of the wheel ring, a plurality of positioning grooves are formed in one side of the mounting ring, a plurality of sprocket blocks are fixedly mounted on the outer side of the mounting ring, and each sprocket block further comprises a base body layer. A first wear-resistant layer is arranged outside the base body layer, and a second wear-resistant layer is arranged outside the first wear-resistant layer. The mounting ring is arranged on the outer side of the wheel ring, and the multiple detachable sprocket blocks are arranged on the outer side of the mounting ring, so that the sprocket blocks are matched with the mounting blocks, the connecting blocks, the connecting grooves and the positioning blocks to achieve rapid disassembly and assembly on the outer side of the mounting ring, and only the sprocket blocks which are abraded need to be replaced during maintenance, so that the equipment operation cost is reduced, and the resource utilization rate is increased; the sprocket block is composed of the base body layer, the first wear-resistant layer and the second wear-resistant layer, and the wear resistance of the sprocket block can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain wheel technical field, especially a kind of high-strength wear-resistant chain wheel. BACKGROUND

[0002] Chain wheel is an important mechanical part, it has embedded tooth type buckle chain tooth, mainly used to be engaged with pitch accurate block on pitch chain ring or cable, to realize the transmission of power, and chain wheel is usually made of durable material, such as steel, stainless steel, plastic or cast iron etc., is widely used in various mechanical equipment;

[0003] Chain wheel chain tooth is extruded and rubbed by chain after a period of use, chain tooth surface material is gradually worn out during use, and even deformation or fracture can occur, therefore, when chain tooth is worn, if continue to use, wear will reduce the precision and efficiency of chain transmission, so that the operation of mechanical equipment becomes unstable, and wear will cause the matching gap between chain tooth and chain to become larger, to further produce noise and vibration, seriously even chain will fall off or break, affect the normal operation of equipment, and chain wheel has multiple chain teeth, wherein only the entire chain wheel can be replaced when single or a few chain teeth are worn, so that chain wheel needs to be disassembled from the rotating shaft and the new chain wheel is reinstalled, and the replacement of the chain wheel will affect the downtime of equipment, and when a few chain teeth are worn and the entire chain wheel is replaced, the remaining intact chain teeth cannot be reused, causing certain resource waste, and the operating cost of equipment cannot be effectively reduced. SUMMARY

[0004] The utility model aims at providing a kind of high-strength wear-resistant chain wheel, can effectively solve the problems in the background art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A kind of high-strength wear-resistant chain wheel, including wheel ring, the wheel ring is opened in multiple first installation holes, the installation ring is fixedly installed on the wheel ring outer side, the installation ring one side is opened in multiple positioning grooves, the installation ring outer side is fixedly installed with multiple chain tooth blocks, the chain tooth block also includes base layer, the first wear-resistant layer is arranged on the outer side of the base layer, the second wear-resistant layer is arranged on the outer side of the first wear-resistant layer.

[0007] As a further preferred scheme of the utility model, the installation ring one side is opened in multiple screw grooves, the positioning groove one side middle part is also opened in screw groove;

[0008] Therefore, the installation of chain tooth block can be provided with carrier by the installation ring, and the installation of chain tooth block can be provided with positioning condition by the positioning groove.

[0009] As a further preferred embodiment of the present utility model, the sprocket block lower end is fixedly installed with a mounting block, one side of the mounting block is fixedly installed with a link block, the other side of the mounting block is provided with a link groove, and the longitudinal section of the link block and the link groove is the same, and the mounting block between the link block and the link groove is also fixedly installed with a positioning block.

[0010] As a further preferred embodiment of the present utility model, a plurality of second mounting holes are provided in the mounting block, the sprocket block is installed outside the mounting ring through the mounting block, the positioning block is installed in the corresponding positioning groove, and the link block and the link groove are respectively inserted with the adjacent link groove and link block, the mounting block is inserted with a fixed bolt, and one end of the fixed bolt is threadedly connected in the corresponding screw groove.

[0011] Therefore, through the installation of the mounting block and the positioning block, the sprocket block can be quickly replaced, so that when the corresponding sprocket block is worn, only the corresponding sprocket block needs to be replaced, without discarding the entire sprocket.

[0012] As a further preferred embodiment of the present utility model, the base layer is an alloy material, the first wear-resistant layer is a tungsten carbide layer, and the second wear-resistant layer is a dry lubricating coating of molybdenum disulfide.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] In the present utility model, the mounting ring is provided outside the wheel ring, and a plurality of detachable sprocket blocks are provided outside the mounting ring, so that the sprocket block cooperates with the mounting block, the link block, the link groove and the positioning block to realize quick disassembly outside the mounting ring, and during maintenance, only the sprocket block that is worn needs to be replaced, thereby reducing the equipment operation cost and improving the resource utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the main structure of the present utility model;

[0016] Figure 2 It is a schematic view of the main structure of the present utility model;

[0017] Figure 3 It is a schematic view of the wheel ring structure of the present utility model;

[0018] Figure 4 It is Figure 2 It is an enlarged view of position A in the middle;

[0019] Figure 5 It is a schematic view of the sprocket block and the mounting block structure of the present utility model;

[0020] Figure 6 The chain tooth block sectional view of the utility model.

[0021] In the figure: 1, wheel ring; 2, first mounting hole; 3, mounting ring; 4, positioning groove; 5, chain tooth block; 6, base layer; 7, first wear-resistant layer; 8, second wear-resistant layer; 9, screw groove; 10, mounting block; 11, link block; 12, link groove; 13, second mounting hole; 14, fixing bolt; 15, positioning block. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figures 1-6 shown, the utility model provides a kind of high-strength wear-resistant sprocket, including wheel ring 1, multiple first mounting holes 2 are set in wheel ring 1, mounting ring 3 is fixedly installed on the outside of wheel ring 1, multiple positioning grooves 4 are set in one side of mounting ring 3, multiple chain tooth blocks 5 are fixedly installed on the outside of mounting ring 3, chain tooth block 5 also includes base layer 6, first wear-resistant layer 7 is arranged on the outside of base layer 6, second wear-resistant layer 8 is arranged on the outside of first wear-resistant layer 7.

[0024] Multiple screw grooves 9 are set in one side of mounting ring 3, screw groove 9 is also set in the middle of one side of positioning groove 4, by the setting of mounting ring 3, can provide carrier for the installation of chain tooth block 5, and positioning groove 4 is set, can provide positioning condition for the installation of chain tooth block 5, mounting block 10 is fixedly installed at the lower end of chain tooth block 5, link block 11 is fixedly installed on one side of mounting block 10, link groove 12 is set in the other side of mounting block 10, and the longitudinal section of link block 11 and link groove 12 is same, positioning block 15 is also fixedly installed in the mounting block 10 between link block 11 and link groove 12, multiple second mounting holes 13 are set in mounting block 10, chain tooth block 5 is installed in the outside of mounting ring 3 by mounting block 10, positioning block 15 is installed in corresponding positioning groove 4, and link block 11 and link groove 12 are respectively mutually inserted with adjacent link groove 12 and link block 11, fixing bolt 14 is inserted in mounting block 10, one end of fixing bolt 14 is threadedly connected in corresponding screw groove 9, by the setting of mounting block 10 and positioning block 15, the quick replacement of chain tooth block 5 can be realized, so that after the wear of corresponding chain tooth block 5, only corresponding chain tooth block 5 needs to be replaced, without discarding entire sprocket, base layer 6 is alloy material, first wear-resistant layer 7 is tungsten carbide layer, and second wear-resistant layer 8 is dry lubricating coating of molybdenum disulfide.

[0025] It needs to be explained that the utility model discloses a kind of high-strength wear-resistant chain wheels, when installing chain tooth block 5, chain tooth block 5 can be inserted in the outside of mounting ring 3, and chain tooth block 5 drives the side of mounting block 10 to be in contact with the side of mounting ring 3, and positioning block 15 is inserted in the corresponding positioning groove 4, then, fixed bolt 14 is inserted into the corresponding second mounting hole 13, and the end of fixed bolt 14 is screwed into the corresponding screw groove 9, i.e. the installation of chain tooth block 5 can be completed, then, the remaining chain tooth block 5 is installed in the outside of mounting ring 3 in sequence as above, and the abutment block 11 of the two sides of mounting block 10 is inserted into the abutment groove 12 respectively, and the abutment groove 12 of the adjacent abutment groove 12, abutment block 11 is inserted into each other, i.e. the installation of chain tooth block 5 can be completed, after the corresponding chain tooth block 5 is worn in later period, only the corresponding chain tooth block 5 needs to be replaced, without replacing the whole chain wheel.

[0026] And chain tooth block 5 is mainly by base layer 6, and first wear-resistant layer 7 is provided outside base layer 6, which can significantly improve the wear resistance of chain tooth, prolong the service life of chain wheel, and further add second wear-resistant layer 8 outside first wear-resistant layer 7, and second wear-resistant layer 8 is molybdenum disulfide dry lubricating coating, which can quickly form a dry and durable lubricating film, can significantly reduce friction resistance and reduce wear.

[0027] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-strength wear-resistant sprocket, characterized in that: The device includes a wheel ring (1), which has multiple first mounting holes (2) inside. A mounting ring (3) is fixedly installed on the outside of the wheel ring (1). A multiple positioning groove (4) is opened on one side of the mounting ring (3). A multiple chain tooth block (5) is fixedly installed on the outside of the mounting ring (3). The chain tooth block (5) also includes a base layer (6). A first wear-resistant layer (7) is provided on the outside of the base layer (6). A second wear-resistant layer (8) is provided on the outside of the first wear-resistant layer (7).

2. The high-strength wear-resistant sprocket according to claim 1, characterized in that: The mounting ring (3) has multiple screw grooves (9) on one side, and the positioning groove (4) also has screw grooves (9) in the middle of one side.

3. A high-strength wear-resistant sprocket according to claim 2, characterized in that: A mounting block (10) is fixedly installed at the lower end of the chain tooth block (5). A connecting block (11) is fixedly installed on one side of the mounting block (10). A connecting groove (12) is opened on the other side of the mounting block (10). The longitudinal cross-section of the connecting block (11) and the connecting groove (12) is the same. A positioning block (15) is also fixedly installed on the mounting block (10) located between the connecting block (11) and the connecting groove (12).

4. A high-strength wear-resistant sprocket according to claim 3, characterized in that: The mounting block (10) has multiple second mounting holes (13). The chain tooth block (5) is inserted into the mounting block (10) and installed on the outside of the mounting ring (3). The positioning block (15) is inserted into the corresponding positioning groove (4). The connecting block (11) and the connecting groove (12) are respectively inserted into the adjacent connecting groove (12) and connecting block (11). The mounting block (10) has a fixing bolt (14) inserted into it. One end of the fixing bolt (14) is threaded into the corresponding screw groove (9).

5. A high-strength wear-resistant sprocket according to claim 1, characterized in that: The substrate layer (6) is made of alloy material, the first wear-resistant layer (7) is a tungsten carbide layer, and the second wear-resistant layer (8) is a molybdenum disulfide dry lubrication coating.

Images