Wear-resistant hammer head for crusher

Abstract

The utility model discloses a wear-resistant hammerhead for a crusher, which comprises a hammerhead main body arranged on the crusher, a protective component is arranged at the lower part of the surface of the hammerhead main body, and a connecting component for realizing detachable connection between the protective component and the hammerhead main body is arranged on the hammerhead main body; the connecting assembly comprises a cavity formed in the hammer head body, and the two sides of an inner cavity of the cavity are each slidably connected with a movable plate. The hammerhead body is wrapped and protected through the protection assembly, the protection range of the hammerhead body is widened, the hammerhead body is prevented from making direct contact with materials, then the abrasion resistance of the hammerhead body is enhanced, and the service life of the hammerhead body is prolonged; the protective assembly and the hammer head body are detachably connected through the connecting assembly, when the protective assembly is damaged after being used for a long time, the protective assembly can be detached from the hammer head body to be replaced, the whole wear-resistant hammer head for the crusher does not need to be replaced, materials are saved, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of crusher, concretely relates to a wear -resisting hammer head for crusher. BACKGROUND

[0002] The crusher is a crushing machine that is used in the processing of metal and non-metallic minerals to break the mined ore into small particles by extrusion and bending, and the crusher is used to break the material by colliding the high-speed rotating hammer head with the falling material. The hammer head of the crusher is a key part and is easy to wear.

[0003] The patent document with the publication number CN221514687U discloses a wear-resistant hammer head for crusher, which sets a fixing device between the hammer body and the rotating shaft inside the crusher to limit the position of the hammer body, so as to avoid the back-and-forth movement of the hammer body on the rotating shaft and improve the accuracy of the rotating crushing. The protection device is arranged at the connection between the hammer body and the hammer head, and the protection frame made of rubber is used to buffer the force received by the connected position, so as to reduce the stress intensity at the connection between the hammer head and the hammer body, protect the hammer body, and improve the durability.

[0004] The wear-resistant hammer head for crusher can solve the corresponding technical problems, but the protection device can only protect the connection between the hammer body and the hammer head. However, in the process of use, the hammer head is not only impacted but also impacted by the material, which causes the working surface at the bottom of the hammer head to be worn or damaged after a long time of use, thereby reducing the impact force of the hammer head when crushing the material and reducing the production efficiency. TECHNICAL FIELD

[0005] The utility model aims at providing a wear-resistant hammer head for crusher to solve the technical defects of the existing wear-resistant hammer head for crusher, such as large impact force and easy wear or damage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A wear-resistant hammer head for crusher, comprising a hammer head body installed on the crusher, wherein the lower part of the surface of the hammer head body is provided with a protection assembly, and the hammer head body is provided with a connecting assembly for realizing the detachable connection between the protection assembly and the hammer head body.

[0008] The connecting assembly comprises a cavity arranged in the hammer head body, and two movable plates are slidably connected to the two sides of the cavity, one side of each movable plate is fixedly connected to a group of bolts, each group of bolts is provided with at least two upper and lower bolts, one end of the bolt away from the movable plate is connected with the protection assembly, and an adjusting piece is arranged between the two movable plates.

[0009] As a preferred scheme of the utility model, the hammer head main body includes a hammer handle, a hammer head body is integrally formed at the bottom of the hammer handle, an axle hole is formed on the hammer handle for the axle rod to pass through, and the protection assembly is arranged on the hammer head body.

[0010] As a further scheme of the utility model, the cavity is arranged in the interior of the hammer head body, and a through slot is formed on the hammer head body for the bolt to pass through, and the inner wall surface of the through slot is in sliding connection with the surface of the bolt.

[0011] As a further preferred scheme of the utility model, the protection assembly includes a protective shell sleeved on the surface of the hammer head body, the inner wall surface of the protective shell is fixedly connected with a rubber sleeve, the top of the protective shell and the rubber sleeve are both in open structure, the inner wall surface of the rubber sleeve is in contact with the outer surface of the hammer head body, bolt holes corresponding to the through slot are formed on the protective shell and the rubber sleeve, and one end of the bolt away from the movable plate penetrates into the bolt hole of the protective shell.

[0012] As a preferred scheme of the utility model, the adjusting piece includes a bolt between the two movable plates, one end of the bolt is in rotary connection with the inner wall surface of the cavity, a nut is threadedly sleeved on the surface of the bolt, and a linkage piece is arranged between the nut and the adjacent movable plate.

[0013] As a further scheme of the utility model, the linkage piece includes a support rod fixedly connected to the outer surface of the nut in an inclined manner, an inclined slot is formed on the movable plate, one end of the support rod away from the nut penetrates to one side of the corresponding movable plate through the inclined slot, and the surface of the support rod is in sliding connection with the inner wall surface of the inclined slot.

[0014] As a further preferred scheme of the utility model, the other end of the bolt movably penetrates to the outside of the hammer head body, and the surface of the bolt is in rotary connection with the penetration of the hammer head body through a sealing bearing.

[0015] As a preferred scheme of the utility model, the protective shell and the rubber sleeve are both provided with an avoiding slot, the top of the avoiding slot is in open structure, and the end of the bolt on the outside of the hammer head body is arranged in the inner cavity of the avoiding slot.

[0016] Compared with the prior art, the wear-resistant hammer head for a crusher has the following beneficial effects:

[0017] 1. The protection assembly in the utility model wraps and protects the hammer head body, improves the protection range of the hammer head body, avoids direct contact of the hammer head body with materials, and thus enhances the wear resistance of the hammer head main body and prolongs the service life of the hammer head main body.

[0018] 2. The connecting assembly in the utility model realizes detachable connection of the protection assembly and the hammer head main body, the protection assembly can be detached from the hammer head main body for replacement when the protection assembly is damaged after long-time use, the entire wear-resistant hammer head for a crusher does not need to be replaced, material is saved, and use cost is reduced.

[0019] 3. The utility model discloses a rotating bolt can drive multiple bolts synchronous movement to realize the quick dismounting operation of protection assembly and hammer head main body, and the convenient dismounting is helpful to improve the replacement efficiency of protection assembly. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the technical scheme of the utility model embodiment more clearly, the following will be briefly introduced to the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only the embodiment case of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without the creative labor.

[0021] Figure 1 For the structure of the utility model embodiment Figure One ;

[0022] Figure 2 For the structure of the utility model embodiment

[0023] Figure 3 For the structure of the utility model embodiment Figure Two ;

[0024] Figure 4 For the structure of the utility model embodiment Figure Three .

[0025] Reference signs:

[0026] 100, hammer head main body;110, hammer handle;120, hammer head body;130, shaft hole;

[0027] 200, protection assembly;210, protective shell;220, rubber sleeve;230, pin hole;

[0028] 300, connecting assembly;310, cavity;320, movable plate;321, inclined slot;330, bolt;340, through slot;350, bolt;360, nut;370, supporting rod;

[0029] 400, avoiding groove. DETAILED DESCRIPTION

[0030] In order to make the technical scheme of the utility model embodiment more clearly, the following will be briefly introduced to the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only the embodiment case of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without the creative labor.

[0031] In the description of the utility model embodiments, it is understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model embodiments and simplifying the description, and do not indicate or imply that the devices or elements 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 utility model embodiments.

[0032] In the description of the utility model embodiments, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, integral connection, or detachable connection; it can be the communication inside two elements; it can be directly connected, or indirectly connected through an intermediate medium; for those skilled in the art, the specific meaning of the above terms in the utility model embodiments can be understood according to the specific circumstances.

[0033] Referring to the drawings Figures 1-4 The utility model embodiment is a kind of hammer head for crusher with wear-resistant, including the hammer head main body 100 that can be installed on crusher, protection assembly 200 and connecting assembly 300.

[0034] Protection assembly 200 is located in the lower part of the surface of hammer head main body 100, connecting assembly 300 is arranged on hammer head main body 100, and connecting assembly 300 is used to realize the detachable connection of protection assembly 200 and hammer head main body 100;Connecting assembly 300 includes cavity 310 arranged inside hammer head main body 100, both sides of the inner cavity of cavity 310 are slidably connected with a movable plate 320, one side of two movable plates 320 opposite each other is fixedly connected with a group of bolts 330, each group of bolts 330 is at least two arranged in upper and lower, the end of bolt 330 away from movable plate 320 is connected with protection assembly 200, and adjusting member is arranged between two movable plates 320.

[0035] The technical scheme is used, the shell 210 and the rubber sleeve 220 are sleeved on the hammer head body 120 from bottom to top, the surface of the hammer head body 120 is tightly attached to the inner wall surface of the rubber sleeve 220, the end of the bolt 350 gradually slides into the inner cavity of the avoiding slot 400, until the shell 210 and the rubber sleeve 220 move to the maximum limit, the pin hole 230 is aligned with the latch 330, at this time, the bolt 350 is rotated, under the action of the screw thread, the nut 360 on the surface of the bolt 350 moves along the axial direction of the bolt 350, the support rod 370 is slid in the inner cavity of the inclined slot 321, the support rod 370 pushes the movable plate 320, the movable plate 320 gradually moves away from the bolt 350, the two movable plates 320 move away from each other, the movable plate 320 drives the latch 330 to move synchronously, the movable plate 320 moves to the maximum limit, the latch 330 is inserted into the pin hole 230 of the shell 210, the connection operation of the protection assembly 200 and the hammer head body 100 is completed, and the hammer head body 120 can be wrapped and protected by the protection assembly 200.

[0036] When the material is crushed, the shell 210 contacts the material, the hammer head body 120 is prevented from directly contacting the material, and the wear resistance of the hammer head body 100 is enhanced, and the service life of the hammer head body 100 is prolonged.

[0037] Referring to Figure 1 As shown in the figure, the hammer head body 100 includes a hammer handle 110, the bottom of the hammer handle 110 is integrally formed with a hammer head body 120, the hammer handle 110 is provided with an axial hole 130 for the shaft rod to pass through, and the protection assembly 200 is arranged on the hammer head body 120.

[0038] Referring to Figure 2 , 3 As shown in the figure, in order to ensure that the latch 330 can normally move and guide the latch 330, the cavity 310 is arranged in the inside of the hammer head body 120, the hammer head body 120 is provided with a through slot 340 for the latch 330 to pass through, and the inner wall surface of the through slot 340 is in sliding connection with the surface of the latch 330.

[0039] Referring to Figure 2As shown, in order to both play a role in enhancing the hammer head body 120, help to improve the wear resistance of the hammer head body 120 surface, but also to prevent the shell 210 due to the impact of the hammer head body 120 caused by damage, protective components 200 including set on the surface of the hammer head body 120 and made of high manganese steel shell 210, the inner wall of the shell 210 is fixedly connected with the rubber sleeve 220, the top of the shell 210 and the rubber sleeve 220 are both arranged in an open manner, so as to set the shell 210 and the rubber sleeve 220 on the hammer head body 120, the inner wall of the rubber sleeve 220 is in contact with the outer surface of the hammer head body 120, the shell 210 and the rubber sleeve 220 are both provided with a pin hole 230 corresponding to the through slot 340, and the end of the bolt 330 away from the movable plate 320 penetrates into the pin hole 230 of the shell 210.

[0040] In order to realize the telescopic operation of the bolt 330, the adjusting member comprises a bolt 350 located between the two movable plates 320, one end of the bolt 350 is rotatably connected with the inner wall of the cavity 310 through a bearing, and the surface of the bolt 350 is threadedly connected with a nut 360, the nut 360 and the adjacent movable plate 320 are provided with a linkage member, by rotating the bolt 350, the nut 360 can be driven to move along the axial direction of the bolt 350, and the nut 360 can drive the movable plate 320 to approach or move away from the bolt 350 by using the linkage member.

[0041] In order to realize the effect that the movable plate 320 gradually approaches or moves away from the bolt 350, the linkage member comprises a support rod 370 obliquely and fixedly connected to the outer surface of the nut 360, the movable plate 320 is provided with an inclined slot 321, one end of the support rod 370 away from the nut 360 penetrates through the inclined slot 321 to one side of the corresponding movable plate 320, and the surface of the support rod 370 is slidably connected with the inner wall of the inclined slot 321. When the nut 360 moves along the axial direction of the bolt 350, the support rod 370 is driven to move synchronously, so that the support rod 370 can slide on the inner wall of the inclined slot 321 and push the movable plate 320 to move.

[0042] In order to both improve the stability when the bolt 350 rotates and avoid that the broken material enters the cavity 310 through the gap between the through hole of the hammer head body 120 and the bolt 350, the other end of the bolt 350 is movably penetrated to the outside of the hammer head body 120, so as to rotate the bolt 350 subsequently, and the surface of the bolt 350 is rotatably connected with the through hole of the hammer head body 120 through a sealing bearing.

[0043] In order to accommodate the end of the bolt 350, so as to ensure that the protective assembly 200 can be smoothly set on the hammer head body 120, the shell 210 and the rubber sleeve 220 are both provided with an avoiding slot 400, the top of the avoiding slot 400 is arranged in an open manner, and the end of the bolt 350 located outside the hammer head body 120 is placed in the inner cavity of the avoiding slot 400.

[0044] In summary, the utility model discloses an embodiment a kind of hammer head for crusher with wear-resistant type can be wrapped protection to hammer head body 120 by protection assembly 200, improve the protection range of hammer head body 120, avoid hammer head body 120 direct contact material, to further enhance the wear resistance of hammer head main body 100, prolong the service life of hammer head main body 100.

[0045] Connecting assembly 300 realizes the detachable connection of protection assembly 200 and hammer head main body 100, when protection assembly 200 is damaged after long time use, protection assembly 200 can be removed from hammer head main body 100 and replaced, without replacing the entire hammer head for crusher with wear-resistant type, save material, reduce the.

[0046] Rotating bolt 350 can drive multiple bolts 330 to move synchronously, to realize the quick disassembly and assembly of protection assembly 200 and hammer head main body 100, convenient to disassemble and assemble, help to improve the replacement efficiency of protection assembly 200.

[0047] The above shows and describes the basic principle of the present application, the above is only the preferred embodiment of the present application, and does not limit the present application, the above embodiment and the description in the specification is only to illustrate the principle of the present application, any modification, equivalent replacement and improvement within the scope of the present application, etc. within the scope of the present application, should be included in the protection scope of the present application.

Claims

1. A wear-resistant hammer for a crusher, comprising a hammer body (100) mounted on the crusher, wherein: The lower part of the surface of the hammer body (100) is provided with a protective component (200), and the hammer body (100) is provided with a connecting component (300) for realizing the detachable connection between the protective component (200) and the hammer body (100). The connecting assembly (300) includes a cavity (310) located inside the hammer body (100). A movable plate (320) is slidably connected to both sides of the cavity (310). A set of pins (330) is fixedly connected to the opposite side of the two movable plates (320). Each set of pins (330) has at least two pins arranged vertically. The end of the pin (330) away from the movable plate (320) is engaged with the protective assembly (200). An adjusting member is provided between the two movable plates (320).

2. The wear-resistant hammerhead for a crusher according to claim 1, characterized in that: The hammer head body (100) includes a hammer handle (110), and the bottom of the hammer handle (110) is integrally formed with a hammer head body (120). The hammer handle (110) has a shaft hole (130) for the shaft rod to pass through, and the protective component (200) is provided on the hammer head body (120).

3. The wear-resistant hammerhead for a crusher according to claim 2, characterized in that: The cavity (310) is located inside the hammer head body (120), and the hammer head body (120) has a through groove (340) for the pin (330) to pass through. The inner wall of the through groove (340) is slidably connected to the surface of the pin (330).

4. The wear-resistant hammerhead for a crusher according to claim 3, characterized in that: The protective assembly (200) includes a protective shell (210) fitted onto the surface of the hammer body (120). A rubber sleeve (220) is fixedly connected to the inner wall of the protective shell (210). The tops of both the protective shell (210) and the rubber sleeve (220) are open. The inner wall of the rubber sleeve (220) is in contact with the outer surface of the hammer body (120). Both the protective shell (210) and the rubber sleeve (220) have pin holes (230) corresponding to the through groove (340). The end of the pin (330) away from the movable plate (320) passes through the pin hole (230) of the protective shell (210).

5. A wear-resistant hammer for a crusher according to claim 4, characterized in that: The adjusting component includes a bolt (350) located between two movable plates (320), one end of which is rotatably connected to the inner wall of the cavity (310), and a nut (360) is threaded onto the surface of the bolt (350), and a linkage is provided between the nut (360) and the adjacent movable plate (320).

6. A wear-resistant hammer for a crusher according to claim 5, characterized in that: The linkage includes a support rod (370) that is fixedly connected to the outer surface of the nut (360) at an incline. The movable plate (320) has an inclined groove (321). One end of the support rod (370) away from the nut (360) passes through the inclined groove (321) to one side of the corresponding movable plate (320). The surface of the support rod (370) is slidably connected to the inner wall of the inclined groove (321).

7. A wear-resistant hammerhead for a crusher according to claim 5, characterized in that: The other end of the bolt (350) extends movably through to the outside of the hammer body (120), and the surface of the bolt (350) is rotatably connected to the through-hole of the hammer body (120) via a sealed bearing.

8. A wear-resistant hammer for a crusher according to claim 7, characterized in that: Both the protective shell (210) and the rubber sleeve (220) are provided with relief grooves (400). The top of the relief groove (400) is open. The end of the bolt (350) located outside the hammer body (120) is placed in the inner cavity of the relief groove (400).

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