Copper bush structure of multi-cylinder cone crusher

Abstract

The utility model relates to a multi-cylinder cone crusher copper bush structure which comprises a movable cone, the movable cone is provided with an inner hole, the inner hole comprises an upper inner hole and a lower inner hole, the multi-cylinder cone crusher copper bush structure further comprises a copper bush, the copper bush comprises a lower copper bush part, a middle connecting part and an upper copper bush part which are sequentially connected from bottom to top, and the upper copper bush part is located in the upper inner hole; a step groove abutting against the upper end of the upper copper sleeve part is formed in the upper inner hole, the lower copper sleeve part is located in the lower inner hole, the lower copper sleeve part is sleeved with a flange ring, the lower end of the flange ring is flush with the lower end of the lower copper sleeve part, and the flange ring is fixedly connected with the lower end of the movable cone through a fastener. A plurality of lubricating oil holes penetrating through the middle connecting part are formed in the annular oil groove in the circumferential direction, a plurality of vertical oil grooves are further formed in the inner wall of the copper sleeve in the circumferential direction, and the vertical oil grooves are perpendicular to the annular oil groove and communicate with the annular oil groove. The copper sleeve is of an integrated structure and is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of multi-cylinder cone crushers, and particularly relates to a copper bush structure of a multi-cylinder cone crusher. BACKGROUND

[0002] The multi-cylinder cone crusher is currently widely used in the medium and fine crushing operation of materials in the mining, metallurgy, building material and water conservancy industries. The multi-cylinder cone crusher is mainly composed of a frame, a supporting sleeve part, a fixed cone part, an eccentric sleeve part, a moving cone part and other main components. The driving device drives the eccentric sleeve part to rotate, and the moving cone part rotates and swings under the rotating action of the eccentric sleeve part. The internal materials are crushed by being extruded and impacted by the moving cone. The inner hole of the moving cone part of the multi-cylinder cone crusher is provided with a copper bush, which plays a role of reducing sliding friction and protecting the inner hole of the moving cone part.

[0003] At present, the copper bush structure of the multi-cylinder cone crusher is composed of two parts as shown in the figure. Figure 6 The upper copper bush 2 of the moving cone body 1 is fixed in the upper inner hole of the moving cone body 1 by the fixed block 3 and the upper bolt 4. The lower copper bush 5 is fixed in the lower inner hole of the moving cone body 1 by the lower split screw 6. The upper copper bush 2 of the moving cone body 1 needs to be fixed with the moving cone body 1 by the fixed block 3 and the upper bolt 4. When the crusher is working, the fixed block 3 has the risk of falling off. The upper copper bush 2 of the moving cone body 1 is difficult to install and disassemble inside the moving cone body 1. When it is replaced, the lower copper bush 5 needs to be disassembled first, and then the upper copper bush 2 is disassembled. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems in the prior art, the utility model provides a copper bush structure of a multi-cylinder cone crusher.

[0005] The utility model adopts the technical scheme that a copper bush structure of a multi-cylinder cone crusher is provided, which comprises a moving cone body, the moving cone body has an inner hole, the inner hole comprises an upper inner hole and a lower inner hole, and the copper bush comprises a lower copper bush part, an intermediate connecting part and an upper copper bush part connected in sequence from bottom to top, the upper copper bush part is located in the upper inner hole, a stepped groove in contact with the upper end of the upper copper bush part is arranged in the upper inner hole, the lower copper bush part is located in the lower inner hole, a flange ring is arranged on the outer side of the lower copper bush part, the lower end of the flange ring is flush with the lower end of the lower copper bush part, the flange ring is fixedly connected with the lower end of the moving cone body through a fastener, an annular oil groove is arranged on the inner wall of the intermediate connecting part along the circumferential direction thereof, a plurality of lubricating oil holes penetrating through the intermediate connecting part are arranged on the annular oil groove along the circumferential direction thereof, a plurality of vertical oil grooves are further arranged on the inner wall of the copper bush along the circumferential direction thereof, the vertical oil grooves are perpendicular to the annular oil groove and communicate with the annular oil groove, and each vertical oil groove is located between adjacent two lubricating oil holes.

[0006] As a preferred scheme, a plurality of counterbores are uniformly arranged on the flange ring along the circumferential direction, the same number of threaded holes are arranged on the end face of the moving cone body at positions corresponding to the counterbores, and the fastener is installed in the counterbores and the threaded holes to connect the lower copper bush part and the moving cone body.

[0007] As a preferred scheme, the fastener is a fixing bolt.

[0008] As a preferred scheme, the fixing bolt has a bolt head, and the flange ring outer wall is provided with a locking bolt for locking the bolt head.

[0009] As a preferred scheme, the number of the counterbores, threaded holes and fasteners is 6 or 8.

[0010] As a preferred scheme, the lower copper sleeve part, the intermediate connecting part and the upper copper sleeve part are integrally made.

[0011] As a preferred scheme, the copper sleeve is in a stepped shape, the outer diameter of the intermediate connecting part is the same as the outer diameter of the lower copper sleeve part, and the outer diameter of the intermediate connecting part is larger than the outer diameter of the upper copper sleeve part.

[0012] As a preferred scheme, the intermediate connecting part and the upper copper sleeve part are connected through a circular arc transition.

[0013] The application has the following beneficial effects: 1. The copper sleeve of the application adopts an integral structure, is connected with the moving cone through a fixing bolt, and can be disassembled by loosening the fixing bolt and then disassembling the copper sleeve from the moving cone. Compared with the existing split structure, the application is convenient to disassemble and install, and the plurality of lubricating oil holes not only meet the requirements of smooth lubricating oil passage of the crusher and heat dissipation of the crusher, but also reduce the weight of the copper sleeve.

[0014] 2. The application also has a locking bolt for locking the bolt head, which avoids loosening of the locking bolt due to vibration during the working of the crusher, and ensures the stability of the connection between the copper sleeve and the moving cone. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the embodiment 1 of the application;

[0016] Figure 2 It is a structural schematic view of the embodiment 1 of the application; Figure 1 It is an enlarged view of the middle A;

[0017] Figure 3 It is an enlarged view of the middle B; Figure 1 It is an enlarged view of the middle B;

[0018] Figure 4 It is a sectional view of the copper sleeve of the embodiment 1 of the application;

[0019] Figure 5 It is a structural schematic view of the locking bolt of the embodiment 2 of the application;

[0020] Figure 6 It is a structural schematic view of the prior art.

[0021] Marked in the figure: 1, moving cone, 11, step groove, 2, upper copper sleeve, 3, fixed block, 4, upper bolt, 5, lower copper sleeve, 6, riding seam screw, 7, copper sleeve, 71, upper copper sleeve part, 72, intermediate connecting part, 721, lubricating oil hole, 722, annular oil groove, 73, lower copper sleeve part, 74, vertical oil groove, 8, flange ring, 81, counterbore, 9, fastener, 91, fastener, 10, locking bolt. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that, in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" 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 therefore cannot be understood as limiting the utility model. The indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] Please refer to Figures 1-4 , the utility model embodiment 1 provides a kind of copper sleeve structure of multi-cylinder cone crusher, including moving cone 1, moving cone 1 has inner hole, inner hole includes upper inner hole and lower inner hole, further include copper sleeve 7, copper sleeve 7 includes lower copper sleeve part 73, intermediate connecting part 72 and upper copper sleeve part 71 sequentially connected from lower to upper, upper copper sleeve part 71 is located in upper inner hole, upper inner hole is equipped with the step groove 11 with the upper end of upper copper sleeve part 71 resistance, lower copper sleeve part 73 is located in lower inner hole, lower copper sleeve part 73 outside is equipped with flange ring 8, flange ring 8 lower end is flush with lower copper sleeve part 73 lower end, flange ring 8 is fixedly connected with the lower end of moving cone 1 by fastener 9, the inner wall of intermediate connecting part 72 is equipped with annular oil groove 722 along its circumferential direction, annular oil groove 722 is equipped with multiple lubricating oil holes 721 that pass through intermediate connecting part 72 along its circumferential direction, the inner wall of copper sleeve 7 is also equipped with multiple vertical oil grooves 74 along its circumferential direction, vertical oil groove 74 is arranged along the length direction of the inner wall of copper sleeve 7, vertical oil groove 74 is perpendicular to annular oil groove 722 and is communicated with annular oil groove 722, each vertical oil groove 74 is located between adjacent two lubricating oil holes 721.

[0024] Among them, multiple counterbores 81 are evenly arranged on the flange ring 8 in the circumferential direction, the same number of threaded holes are arranged on the end face of the moving cone 1 corresponding to the counterbores 81, and the fasteners 9 are installed in the counterbores 81 and the threaded holes to connect the lower copper sleeve part 73 and the moving cone 1. The fastener 9 is a fixed bolt.

[0025] Specifically, the number of the counterbores 81, threaded holes and fasteners 9 is 6 or 8. The lower copper sleeve part 73, the intermediate connecting part 72 and the upper copper sleeve part 71 are integrally made.

[0026] In addition, the copper sleeve 7 is in a stepped shape, the outer diameter of the intermediate connecting part 72 is the same as that of the lower copper sleeve part 73, and the outer diameter of the intermediate connecting part 72 is larger than that of the upper copper sleeve part 71. The intermediate connecting part 72 and the upper copper sleeve part 71 are connected by a circular arc transition. The annular oil groove 722 and the vertical oil groove 74 facilitate the passage of lubricating oil, so that the lubrication of the copper sleeve 7 is more sufficient.

[0027] The copper sleeve of the application adopts an integral structure, is connected with the moving cone 1 through the fixing bolt, and when disassembled, only the fixing bolt needs to be loosened, so that the copper sleeve 7 can be disassembled from the moving cone 1. Compared with the existing split structure, the disassembly and installation are convenient, and a plurality of lubricating oil holes 721 are arranged, which not only meet the requirements of smooth lubricating oil passage of the crusher and heat dissipation of the crusher, but also reduce the weight of the copper sleeve.

[0028] Of course, the utility model is not limited to the above-mentioned embodiments, and the following provides several other embodiments based on the design concept of the utility model.

[0029] For example, in other embodiments, unlike the above-mentioned embodiments, as shown in Figure 5 The fixing bolt has a bolt head 91, and the outer side wall of the flange ring 8 is provided with a locking bolt 10 for locking the bolt head 91. By locking the bolt head 91 through the locking bolt 10, the loosening of the fixing bolt 9 caused by the vibration of the crusher during operation is avoided, and the stability of the connection between the copper sleeve 7 and the moving cone 1 is ensured.

[0030] When installing, the fixing bolt 9 is first tightened, and then the locking bolt 10 is rotated to make the screw rod end of the locking bolt 10 extend into the counterbore 81 and abut against the bolt head 91, so as to lock the bolt head 91. When disassembling, the locking bolt 10 is rotated to make the screw rod end of the locking bolt 10 disengage from the counterbore 81, and then the fixing bolt 9 is loosened.

[0031] It should be noted that the above embodiments are only used to illustrate the utility model, but the utility model is not limited to the above embodiments, and any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments all fall within the protection scope of the utility model.

Claims

1. A copper bushing structure of a multi-cylinder cone crusher, comprising a moving cone body (1), the moving cone body (1) having an inner hole, the inner hole comprising an upper inner hole and a lower inner hole, characterized in that, The copper sleeve (7) comprises a lower copper sleeve part (73), an intermediate connecting part (72) and an upper copper sleeve part (71) connected in sequence from bottom to top, the upper copper sleeve part (71) is located in the upper inner hole, the upper inner hole is provided with a stepped groove (11) abutting against the upper end of the upper copper sleeve part (71), the lower copper sleeve part (73) is located in the lower inner hole, the flange ring (8) is sleeved outside the lower copper sleeve part (73), the lower end of the flange ring (8) is flush with the lower end of the lower copper sleeve part (73), the flange ring (8) is fixedly connected with the lower end of the movable cone (1) through the fastener (9), the inner wall of the intermediate connecting part (72) is provided with an annular oil groove (722) along the circumference thereof, a plurality of lubricating oil holes (721) penetrating through the intermediate connecting part (72) are arranged in the annular oil groove (722) along the circumference thereof, a plurality of vertical oil grooves (74) are further arranged on the inner wall of the copper sleeve (7) along the circumferential direction thereof, the vertical oil grooves (74) are perpendicular to the annular oil groove (722) and communicate with the annular oil groove (722), and each vertical oil groove (74) is located between adjacent two lubricating oil holes (721).

2. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 1, characterized in that: A plurality of counterbores (81) are uniformly arranged on the flange ring (8) along the circumference, the same number of threaded holes are arranged on the end face of the movable cone (1) at positions corresponding to the counterbores (81), and the fastener (9) is installed in the counterbores (81) and the threaded holes to connect the lower copper sleeve part (73) and the movable cone (1).

3. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 2, characterized in that: The fastener (9) is a fixed bolt.

4. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 3, characterized in that: The fixed bolt has a bolt head (91), and the outer side wall of the flange ring (8) is provided with a locking bolt (10) for locking the bolt head (91).

5. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 2, characterized in that: The number of the counterbores (81), the threaded holes and the fastener (9) is 6 or 8.

6. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 1, characterized in that: The lower copper sleeve part (73), the intermediate connecting part (72) and the upper copper sleeve part (71) are integrally made.

7. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 1, characterized in that: The copper sleeve (7) is in a stepped shape, the outer diameter of the intermediate connecting part (72) is the same as the outer diameter of the lower copper sleeve part (73), and the outer diameter of the intermediate connecting part (72) is greater than the outer diameter of the upper copper sleeve part (71).

8. A bronze bushing arrangement for a multi-cylinder cone crusher according to claim 7, characterized in that: The intermediate connecting part (72) and the upper copper sleeve part (71) are connected through a circular arc transition.

Images