CN219101961U

CN219101961U - Assembled high-strength waist drum type chain roller

Info

Publication number: CN219101961U
Application number: CN202320154101.9U
Authority: CN
Inventors: 张军生
Original assignee: Hangzhou Kasongte Precision Machinery Manufacturing Co ltd
Current assignee: Hangzhou Kasongte Precision Machinery Manufacturing Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-05-30
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses an assembled high-strength waist drum type chain roller which comprises a main body, an assembling and replacing mechanism, a noise reducing mechanism and an anti-wear mechanism, wherein the assembling and replacing mechanism is arranged on the periphery of the main body, the noise reducing mechanisms are arranged on two sides of the middle of the main body, the anti-wear mechanism is arranged on the inner side of the middle of the main body, and the assembling and replacing mechanism comprises an edge thread. The assembled high-strength waist drum type chain roller has the advantages that the middle buffering side layer and the external wear-resistant steel sleeve which are adjacently stacked on the outermost side of the cylindrical frame can be used for better protecting the waist drum peripheral part of the waist drum type chain roller main body in motion or in other states respectively according to the middle buffering performance of the cylindrical frame and the existence of the wear-resistant layer of the outermost steel sleeve, even if the external wear-resistant steel sleeve or the middle buffering side layer structure is damaged or other faults are caused, personnel can also use the opposite internal thread side and the side thread to detach and replace the cylindrical frame integrally, and the main body cannot be damaged.

Description

Assembled high-strength waist drum type chain roller

Technical Field

The utility model relates to the technical field of waist drum type chain rollers of transmission components, in particular to an assembled high-strength waist drum type chain roller.

Background

The high-speed transmission chains such as the timing chain, the oil pump chain, the fuel pump chain, the balance shaft chain, the aviation chain, the military vehicle chain, the ship chain and the like of the automobile engine are mainly roller chains which are used as transmission pairs, chain rollers of the roller chains belong to one part of a transmission assembly, and the outer walls of the chain rollers can be processed to form waist drums for improving the structural strength and the friction force of the chain rollers, so that the high-speed bearing capacity and the working reliability of roller parts are improved.

In the use of the drum-shaped chain roller on the market, in the chain transmission process, the roller can be in friction contact with a chain wheel or other objects at intervals, the surface of the roller can be worn or cracked at a certain place after long-time operation, the strength is low, and even if the surface of the roller is coated with a coating, the roller only has a disposable protection effect and does not have the effect of assembly and repeated use, therefore, the assembled high-strength drum-shaped chain roller is provided.

Disclosure of Invention

The utility model aims to provide an assembled high-strength waist drum type chain roller, which solves the problems that in the prior art, the roller is in friction contact with a chain wheel or other objects at intervals in the chain transmission process, the surface of the roller is worn or cracked in a certain place due to long-time operation, the strength is low, and even if the surface of the roller is coated with a coating, the roller only has a disposable protection effect and does not have the effect of assembly repeated use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an assembled high strength waist drum formula chain roller, includes main part, equipment change mechanism, noise reduction mechanism and mechanism of wear-resisting, the periphery of main part is provided with equipment change mechanism, and the middle part both sides of main part are provided with noise reduction mechanism, the middle part inboard of main part is provided with the mechanism of wear-resisting, equipment change mechanism includes limit screw thread, section of thick bamboo dress frame, internal thread limit, well buffering limit layer and external wear-resisting steel bushing, and the periphery of limit screw thread is provided with section of thick bamboo dress frame, the inboard both ends of section of thick bamboo dress frame are provided with the internal thread limit, and the outside of section of thick bamboo dress frame is provided with well buffering limit layer, the outside of well buffering limit layer is provided with external wear-resisting steel bushing.

Furthermore, the cylinder frame forms a thread assembly structure through the internal thread edge, the edge thread and the main body, and the outer side of the cylinder frame is adjacently overlapped with a middle buffer edge layer and an external wear-resistant steel sleeve.

Further, noise reduction mechanism includes screw thread subassembly, friction rubber limit, leads oilhole, preassembly groove, keeps off the arc board, oil absorption cotton and extrudees the oilhole, and screw thread subassembly's side is provided with friction rubber limit, one side of friction rubber limit is provided with leads the oilhole, and the inboard of friction rubber limit is provided with the preassembly groove, the inboard edge in preassembly groove is provided with keeps off the arc board, and the middle part in preassembly groove is provided with oil absorption cotton, the outside on friction rubber limit distributes and has the extrusion oilhole.

Further, the friction rubber edge and the main body form a threaded structure through the threaded component, and the friction rubber edge is symmetrically distributed along two sides of the middle of the main body.

Further, the extrusion oil holes are distributed in a hollow groove shape, and the extrusion oil holes are uniformly distributed along one side of the friction rubber edge.

Further, the antiwear mechanism comprises a preassembled through hole and a graphite layer, and the graphite layer is arranged on the inner side of the preassembled through hole.

Further, the inner side dimension of the preassembled through holes is matched with the peripheral dimension of the graphite layer.

Compared with the prior art, the utility model has the beneficial effects that: the assembled high-strength waist drum type chain roller has the advantages that the middle buffering side layer and the outer wear-resistant steel sleeve which are adjacently stacked on the outermost side of the cylindrical rack can be used for better protecting the waist drum peripheral part of the waist drum type chain roller main body in motion or in other states respectively according to the middle buffering performance of the cylindrical rack and the existence of the wear-resistant layer of the outer wear-resistant steel sleeve, even if the outer wear-resistant steel sleeve or the middle buffering side layer structure is damaged or other faults occur, personnel can also use the opposite internal thread side and the side thread to detach and replace the cylindrical rack integrally, and the main body cannot be damaged, so that the service life of the cylindrical rack is prolonged.

The friction rubber edge itself plays soft contact with most of medium on the market, originally has better noise reduction effect, however under long-time friction, the friction rubber edge is higher with the contact surface atress under the circumstances that does not lubricate, probably cause dangerous emergence, the existence of the cotton that absorbs oil is preset to the inside counterpoint at the friction rubber edge this moment, because the rubber material on friction rubber edge is softer, when the in-process that the atress is bigger, the oil spilling phenomenon can independently be produced because of the extrusion oilhole that the friction rubber edge side distributes, thereby reach auxiliary lubrication's effect, and the setting of screw thread subassembly also is convenient for personnel to change the cotton that absorbs oil on friction rubber edge or its inboard.

The graphite layer is self-graphite material, has stable chemical property, is not easy to react with acid, alkali and other medicaments, has corrosion resistance, and can be used as an antiwear agent and a lubricant in the assembly and connection process of the chain roller and the sleeve, and the graphite layer plays a role in safety protection on the chain roller main body and the sleeve.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of a partial structure of a noise reduction mechanism of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.

In the figure: 1. a main body; 2. assembling a replacement mechanism; 201. an edge thread; 202. a cylinder frame; 203. an internal thread edge; 204. a buffer edge layer is arranged in the middle; 205. an external wear-resistant steel sleeve; 3. a noise reduction mechanism; 301. a threaded assembly; 302. friction rubber edges; 303. an oil guide hole; 304. preassembling a groove; 305. an arc baffle; 306. oil absorbing cotton; 307. extruding the oil hole; 4. an antiwear mechanism; 401. preassembling through holes; 402. and (3) a graphite layer.

Detailed Description

As shown in fig. 1-2, an assembled high strength waist drum type chain roller comprising: the main body 1, the assembly and replacement mechanism 2, the noise reduction mechanism 3 and the wear-resistant mechanism 4, the assembly and replacement mechanism 2 is arranged on the periphery of the main body 1, the noise reduction mechanism 3 is arranged on two sides of the middle of the main body 1, the wear-resistant mechanism 4 is arranged on the inner side of the middle of the main body 1, the assembly and replacement mechanism 2 comprises an edge thread 201, a barrel-mounted frame 202, an inner thread edge 203, a middle-buffering edge layer 204 and an external wear-resistant steel sleeve 205, the periphery of the edge thread 201 is provided with the barrel-mounted frame 202, the inner thread edges 203 are arranged on two ends of the inner side of the barrel-mounted frame 202, the middle-buffering edge layer 204 is arranged on the outer side of the barrel-mounted frame 202, the outer side of the middle-buffering edge layer 204 is provided with an external wear-resistant steel sleeve 205, the barrel-mounted frame 202 forms a thread assembly structure with the edge thread 201 and the main body 1 through the inner thread edge 203, the middle buffering side layer 204 and the external wear-resistant steel sleeve 205 are adjacently stacked on the outer side of the cylindrical mounting frame 202, and the middle buffering side layer 204 and the external wear-resistant steel sleeve 205 adjacently stacked on the outermost side of the cylindrical mounting frame 202 can respectively protect the peripheral part of the waist drum type chain roller main body 1 in the movement or other states according to the middle buffering performance of the middle buffering side layer 204 and the existence of the wear-resistant layer of the outermost steel sleeve, so that even if the structure of the external wear-resistant steel sleeve 205 or the middle buffering side layer 204 is damaged or other faults occur, personnel can use the opposite internal thread side 203 and the edge thread 201 to detach and replace the whole cylindrical mounting frame 202, and the main body 1 can not be damaged, thereby prolonging the service life of the waist drum type chain roller main body 1; the noise reduction mechanism 3 comprises a threaded component 301, a friction rubber side 302, an oil guide hole 303, a preassembling groove 304, an arc baffle 305, oil absorbing cotton 306 and an extrusion oil hole 307, wherein the side edge of the threaded component 301 is provided with the friction rubber side 302, the friction rubber side 302 and the main body 1 form a threaded structure through the threaded component 301, the friction rubber side 302 is symmetrically distributed along the two sides of the middle part of the main body 1, one side of the friction rubber side 302 is provided with the oil guide hole 303, the inner side of the friction rubber side 302 is provided with the preassembling groove 304, the edge of the inner side of the preassembling groove 304 is provided with the arc baffle 305, the middle part of the preassembling groove 304 is provided with the oil absorbing cotton 306, the outer side of the friction rubber side 302 is provided with the extrusion oil hole 307, the extrusion oil hole 307 is in an empty groove shape, the extrusion oil hole 307 is evenly distributed along one side of the friction rubber side 302, the friction rubber side 302 is in soft contact with most media, and has a good noise reduction effect.

As shown in fig. 3, an assembled high-strength waist drum type chain roller, the antiwear mechanism 4 comprises a preassembled through hole 401 and a graphite layer 402, the graphite layer 402 is arranged on the inner side of the preassembled through hole 401, the inner side size of the preassembled through hole 401 is matched with the peripheral size of the graphite layer 402, the graphite material of the graphite layer 402 is stable in chemical property and is not easy to react with acid, alkali and other medicaments, the graphite layer 402 is corrosion-resistant, and the graphite layer 402 can also serve as an antiwear agent and a lubricant for use in the process of assembling and connecting the chain roller and a sleeve, so that safety protection is achieved for the chain roller main body 1 and the sleeve.

Working principle: for the assembled high-strength waist drum type chain roller, firstly, the middle buffer side layer 204 and the external wear-resistant steel sleeve 205 which are adjacently stacked at the outermost side of the barrel rack 202 can respectively protect the waist drum peripheral part of the waist drum type chain roller main body 1 in the middle buffer performance and the outermost wear-resistant steel sleeve according to the existence of the middle buffer performance and the wear-resistant steel sleeve, even if the external wear-resistant steel sleeve 205 or the middle buffer side layer 204 is damaged or the rest fault is bad, personnel can use the opposite internal thread side 203 and the side thread 201 to detach and replace the whole barrel rack 202, the main body 1 is not damaged, the friction rubber sides 302 at two sides of the main body 1 are in soft contact with most mediums in the market, the main body has better noise reduction effect, and under long-time friction, the friction rubber edge 302 and the contact surface are stressed more under the condition of no lubrication, danger may occur, at this time, the existence of the preset oil absorbing cotton 306 aligned in the friction rubber edge 302 is that the rubber material of the friction rubber edge 302 is softer, when the stress is bigger, the oil spilling phenomenon is generated automatically due to the extrusion of the extrusion oil holes 307 distributed on the side edge of the friction rubber edge 302, thus achieving the auxiliary lubrication effect, the arrangement of the thread component 301 is also convenient for personnel to replace the friction rubber edge 302 or the oil absorbing cotton 306 on the inner side thereof, finally, the graphite material of the graphite layer 402 is stable in chemical property, is not easy to react with acid, alkali and other medicaments, has corrosion resistance, and the graphite layer 402 can also be used as an antiwear agent and lubricant in the process of assembling and connecting the chain roller and the sleeve, safety protection is provided both for the chain roller body 1 and for the sleeve itself.

Claims

1. The utility model provides an assembled high strength waist drum formula chain roller, includes main part (1), equipment change mechanism (2), noise reduction mechanism (3) and mechanism (4) that wear-resistants, its characterized in that: the periphery of main part (1) is provided with equipment and changes mechanism (2), and the middle part both sides of main part (1) are provided with noise reduction mechanism (3), the middle part inboard of main part (1) is provided with mechanism (4) that wear-resistants, equipment is changed mechanism (2) including limit screw thread (201), cartridge frame (202), internal thread limit (203), well buffering limit layer (204) and external wear-resisting steel bushing (205), and the periphery of limit screw thread (201) is provided with cartridge frame (202), the inboard both ends of cartridge frame (202) are provided with internal thread limit (203), and the outside of cartridge frame (202) is provided with well buffering limit layer (204), the outside of well buffering limit layer (204) is provided with external wear-resisting steel bushing (205).

2. An assembled high strength waist drum type chain roller as in claim 1 wherein: the cylindrical frame (202) forms a thread assembly structure with the side threads (201) and the main body (1) through the internal thread side (203), and an inner buffer side layer (204) and an outer wear-resistant steel sleeve (205) are adjacently stacked on the outer side of the cylindrical frame (202).

3. An assembled high strength waist drum type chain roller as in claim 1 wherein: noise reduction mechanism (3) are including screw thread subassembly (301), friction rubber limit (302), oil guide hole (303), pre-installation groove (304), keep off arc board (305), oil absorption cotton (306) and extrusion oilhole (307), and the side of screw thread subassembly (301) is provided with friction rubber limit (302), one side of friction rubber limit (302) is provided with oil guide hole (303), and the inboard of friction rubber limit (302) is provided with pre-installation groove (304), the inboard edge of pre-installation groove (304) is provided with keeps off arc board (305), and the middle part of pre-installation groove (304) is provided with oil absorption cotton (306), the outside of friction rubber limit (302) distributes and has extrusion oilhole (307).

4. A modular high strength waist drum chain roller as in claim 3 wherein: the friction rubber edges (302) and the main body (1) form a threaded structure through the threaded component (301), and the friction rubber edges (302) are symmetrically distributed along two sides of the middle of the main body (1).

5. A modular high strength waist drum chain roller as in claim 3 wherein: the extrusion oil holes (307) are distributed in a hollow groove shape, and the extrusion oil holes (307) are uniformly distributed along one side of the friction rubber edge (302).

6. An assembled high strength waist drum type chain roller as in claim 1 wherein: the abrasion-resistant mechanism (4) comprises a preassembled through hole (401) and a graphite layer (402), and the graphite layer (402) is arranged on the inner side of the preassembled through hole (401).

7. The assembled high strength waist drum type chain roller as in claim 6 wherein: the inner dimensions of the pre-filled holes (401) are matched to the peripheral dimensions of the graphite layers (402).