Crushing roller

By setting stepped notches and engaging structures on the crushing roller tooth ring, combined with bolt connections, the problem of easy detachment of the crushing roller alloy is solved, and more reliable crushing head fixation is achieved.

CN223641912UActive Publication Date: 2025-12-09SUINING HUANENG MACHINERY
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Patent Information

Application Number
CN202423053489.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-09
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The alloy directly welded onto the existing crushing roller is prone to falling off after impact, and the connection is not reliable enough.

Method used

The crushing roller has convex teeth and stepped notches on its toothed ring. The crushing head and the convex teeth are fixed by a convex-concave interlocking and snap-fit ​​structure, combined with bolt connection to enhance connection reliability.

Benefits of technology

The connection reliability between the crushing head and the protruding teeth has been improved, the risk of detachment has been reduced, and the contact area has been increased to enhance stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a crushing roller, which relates to the technical field of mechanical equipment and comprises a roller body. The gear ring is sleeved and fixed on the circumferential side surface of the roller body; convex teeth are arranged on the circumferential side face of the gear ring, stepped notches are formed in the convex teeth, each notch is provided with a first vertical face, a first plane, a second vertical face and a second plane which are sequentially connected, and the first vertical face is in an inward concave shape. The crushing head is fixed at the notch; the crushing head is provided with a first connecting surface, a top surface, a second connecting surface, a third connecting surface, a fourth connecting surface and a fifth connecting surface which are connected in sequence; wherein the first connecting surface is convex outwards, and the first connecting surface is matched with the first vertical surface in a concave-convex embedding manner; the first connecting face, the fifth connecting face, the fourth connecting face and the third connecting face jointly form a clamping structure matched with the notch. And the crushing head and the convex teeth are matched in a concave-convex inlaying manner, so that the crushing head is not easy to fall off when being impacted during working.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field especially is related to a broken roll. BACKGROUND

[0002] The crusher includes a broken roll, the original broken roll directly piles the alloy with the thickness of 5mm on the circumference lateral surface of the broken roll (the alloy utilizes the impact broken material), and the installation mode has the defect that the alloy is easy to fall off after being impacted. SUMMARY

[0003] In view of the above situation, the utility model provides a broken roll, aims at solving the defect that the alloy is easy to fall off after being impacted when the original broken roll directly piles the alloy with the thickness of 5mm on the circumference lateral surface of the broken roll.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a broken roll, including:

[0006] Roll body;

[0007] Gear ring is set and is fixed on the circumference lateral surface of roll body, and the circumference lateral surface of gear ring has the convex tooth, and the convex tooth has the notch in the form of ladder, and the notch has the first vertical surface, first plane, second vertical surface and second plane connected in sequence, and wherein, the first vertical surface is in the form of concave;

[0008] Broken head is fixed at the notch, and the broken head has the first connecting surface, top surface, second connecting surface, third connecting surface, fourth connecting surface and fifth connecting surface connected in sequence, and the first connecting surface and fifth connecting surface are also connected together and form the closed loop structure connected head to tail, and the top surface and second connecting surface are connected after the smooth transition and form the impact part;

[0009] Wherein, the first connecting surface is in the form of convex, and the first connecting surface and first vertical surface are inlaidly matched, and the first connecting surface, fifth connecting surface, fourth connecting surface and third connecting surface jointly form the clamping structure matched with the notch.

[0010] In some embodiments of the utility model, the first vertical surface is in the form of V.

[0011] In some embodiments of the utility model, the second plane has the positioning protrusion, and the connecting place of third connecting surface and fourth connecting surface has the positioning notch matched with the positioning protrusion.

[0012] In some embodiments of the utility model, the broken head and the notch are connected through the bolt.

[0013] In some embodiments of the utility model, the top surface is provided with a through hole, the through hole penetrates the top surface and the fourth connecting surface, or the through hole penetrates the top surface and the second connecting surface, the first plane or the second plane is provided with a threaded hole, and one end of the bolt is screwed with the threaded hole after penetrating the through hole.

[0014] In some embodiments of the utility model, the broken head is welded with the notch.

[0015] In some embodiments of the utility model, the thickness of the impact part is greater than 5mm.

[0016] In some embodiments of the utility model, the broken head is made of alloy material.

[0017] In some embodiments of the utility model, the convex tooth and the gear ring are integrally formed.

[0018] In some embodiments of the utility model, the gear ring has a plurality of.

[0019] The embodiments of the utility model have at least the following advantages or beneficial effects:

[0020] 1, the convex tooth on the gear ring is processed, the broken head and the convex tooth adopt concave-convex inlaying cooperation, and the broken head is not easy to fall off under impact during work.

[0021] 2, through the setting of the notch and the clamping structure, there are multiple surfaces between the broken head and the convex tooth, the contact area of the two is larger, and the reliability of the connection is more improved.

[0022] Other features and advantages of the utility model will be described in the subsequent specification, and some of them will become apparent from the specification, or will be understood by implementing the utility model. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description can be obtained by the person skilled in the art without creative labor.

[0024] Figure 1 It is a structure schematic view of the broken roller;

[0025] Figure 2 It is a structure schematic view of the broken head.

[0026] Figure:

[0027] 1-roller body, 2-gear ring,

[0028] 3 - breaking head, 31 - first connecting surface, 32 - top surface, 33 - second connecting surface, 34 - third connecting surface, 35 - fourth connecting surface, 36 - fifth connecting surface, 37 - impact portion, 38 - positioning notch, 39 - through hole,

[0029] 4 - lugs, 41 - first vertical surface, 42 - first flat surface, 43 - second vertical surface, 44 - second flat surface,

[0030] 5 - bolt. DETAILED DESCRIPTION

[0031] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application.

[0032] In the description of the embodiments of the present application, it is to be understood that the orientation or positional relationship indicated by the terms such as "axial" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0033] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0034] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0035] The embodiments of the present application will be described in detail below.

[0036] EMBODIMENT

[0037] Referring to Figures 1-2 The present embodiment provides a crushing roller, which comprises a roller body 1, a gear ring 2 and a breaking head 3.

[0038] The gear ring 2 is sleeved on the circumferential side of the roller body 1 and is welded and fixed; a plurality of gear rings 2 are arranged at intervals.

[0039] The circumferential side of the gear ring 2 is uniformly distributed with a plurality of protrusions 4 integrally formed with the gear ring 2, the protrusions 4 have a stepped gap, the gap has a first vertical surface 41, a first plane 42, a second vertical surface 43 and a second plane 44 connected in sequence, wherein the first vertical surface 41 is V-shaped or concave, and the second plane 44 has a positioning protrusion (not shown in the figure).

[0040] The crushing head 3 is made of alloy material, and the crushing head 3 is fixed at the gap by welding or other methods; the crushing head 3 has a first connecting surface 31, a top surface 32, a second connecting surface 33, a third connecting surface 34, a fourth connecting surface 35 and a fifth connecting surface 36 connected in sequence, and the first connecting surface 31 and the fifth connecting surface 36 are also connected together to form a closed loop structure connected at the head and tail.

[0041] The top surface 32 and the second connecting surface 33 are smoothly connected to form an impact part 37; the impact part 37 is a working part, and the action of the crushing roller on the material is mainly realized through the contact between the impact part 37 and the material. The thickness of the impact part 37 is greater than 5mm, which is more wear-resistant.

[0042] As shown in Figure 1 and Figure 2 The first connecting surface 31, the fifth connecting surface 36, the fourth connecting surface 35 and the third connecting surface 34 together form a clamping structure matched with the stepped gap; specifically, the first connecting surface 31 is V-shaped or convex, the first connecting surface 31 is fitted or clamped with the first vertical surface 41, and this connection mode can limit the axial movement of the crushing head 3 along the roller body 1 when impacted.

[0043] The connecting part of the third connecting surface 34 and the fourth connecting surface 35 has a positioning gap 38 matched with the positioning protrusion, and through the concave-convex inlaying cooperation of the positioning protrusion and the positioning gap 38, and the concave-convex inlaying cooperation of the first connecting surface 31 and the first vertical surface 41, the axial movement of the crushing head 3 along the roller body 1 can be better limited when impacted.

[0044] In this embodiment, the crushing head 3 is fastened at the gap by bolts 5 and then welded, and the two connection modes are combined to make the connection more reliable.

[0045] The crushing head 3 is fastened at the gap by bolts 5 in the following way: a through hole 39 is formed in the top surface 32, the through hole 39 penetrates the top surface 32 and the fourth connecting surface 35, or the through hole 39 penetrates the top surface 32 and the second connecting surface 33; the first plane 42 or the second plane 44 has a screw hole, one end of the bolt 5 penetrates the through hole 39 and is screwed with the screw hole, so as to fasten the crushing head 3 at the gap and avoid the crushing head 3 from falling off.

[0046] In conclusion, the convex teeth 4 on the gear ring 2 are machined, the crushing head 3 and the convex teeth 4 are matched by concave-convex inlay, and are not easy to fall off under impact during work; the crushing head 3 and the convex teeth 4 are welded, and are further fixed by the bolts 5, so that the reliability of the connection is enhanced. In addition, through the setting of the notch and the clamping structure, there are multiple surfaces in contact between the crushing head 3 and the convex teeth 4, the contact area of the two is larger, and the reliability of the connection is more conducive to being enhanced.

[0047] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes, in the case of no conflict, the embodiments of the application and the features in the embodiments can be combined with each other arbitrarily. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A crushing roller characterized by, The utility model relates to a toothed wheel and a broken head thereof, and belongs to the field of mining equipment. The utility model discloses a toothed wheel and a broken head thereof, and belongs to the field of mining equipment. The broken head is fixed at the notch. The first connecting surface and the fifth connecting surface are connected together and form a closed loop structure. The first connecting surface is convex, and the first connecting surface and the first vertical surface are matched. The first connecting surface, the fifth connecting surface, the fourth connecting surface and the third connecting surface form a clamping structure matched with the notch.

2. The crushing roll according to claim 1, characterized in that The first vertical surface is V-shaped.

3. The crushing roll according to claim 1, characterized in that The second plane has a positioning protrusion, and the connection between the third connecting surface and the fourth connecting surface has a positioning notch matched with the positioning protrusion.

4. The crushing roll according to claim 1, characterized in that The broken head is connected with the notch by a bolt.

5. The crushing roll according to claim 4, characterized in that The top surface has a through hole, and the through hole passes through the top surface and the fourth connecting surface, or the through hole passes through the top surface and the second connecting surface.

6. The crushing roller according to any one of claims 1 to 5, characterized in that The first plane or the second plane has a screw hole, and one end of the bolt is screwed with the screw hole after penetrating through the through hole.

7. The crushing roll according to claim 1, characterized in that The broken head is welded with the notch.

8. The crushing roll according to claim 1, characterized in that The thickness of the impact part is greater than 5mm.

9. The crushing roll according to claim 1, characterized in that The broken head is made of alloy material.

10. The crushing roll according to claim 1, characterized in that The toothed wheel and the toothed ring are integrally formed. The toothed ring has multiple toothed rings.