CN219073106U - Impact crusher plate hammer - Google Patents

Abstract

The utility model relates to a plate hammer of a reaction crusher, which comprises a hammer body, a first hammer head, a second hammer head, a plurality of first ceramic matrix composite blocks, a second ceramic matrix composite block, a third ceramic matrix composite block and a fourth ceramic matrix composite block. The first hammer head is arranged on a first side face of the hammer body, the second hammer head is arranged on a second side face of the hammer body, and the first side face and the second side face of the hammer body are a group of opposite side faces. The first ceramic matrix composite block and the second ceramic matrix composite block are arranged in the first hammer head at intervals along the length direction of the hammer body, and are parallel to the first side surface of the hammer body; the third ceramic matrix composite block and the fourth ceramic matrix composite block are arranged in the second hammer head at intervals along the length direction of the hammer body, and are parallel to the second side surface of the hammer body, so that the wear resistance of the first hammer head and the second hammer head is improved.

Description

Impact crusher plate hammer

Technical Field

The utility model relates to the technical field of mining machinery, in particular to a plate hammer of a reaction crusher.

Background

The ore after mining needs to be crushed firstly to carry out subsequent refining operation, so that the crusher is widely used in mining. The impact crusher is a machine for crushing materials by utilizing impact energy, when the impact crusher works, a rotor rotates at a high speed, the materials enter a plate hammer action area, are crushed after being impacted by the plate hammer on the rotor, are thrown to an impact device for crushing again, then are bounced from an impact lining plate to the plate hammer action area for crushing again, the process is repeatedly carried out, and the materials enter a first impact cavity, a second impact cavity and an impact cavity from large to small for crushing repeatedly until the materials are crushed to the required granularity, and are discharged from a discharge hole. The existing plate hammer is generally made of steel, has poor wear resistance, is easy to wear in the use process and cannot work normally, particularly when crushing hard ores, the abrasion is serious, frequent replacement is needed, the crushing operation efficiency of the crusher is reduced, and the use cost of the crusher is increased.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned shortcomings and drawbacks of the prior art, the present utility model provides a counterattack crusher plate hammer that solves the technical problem of poor wear resistance.

(II) technical scheme

In order to achieve the above object, the impact crusher panel hammer of the present utility model comprises: the hammer comprises a hammer body, a first hammer head, a second hammer head, a plurality of first ceramic matrix composite blocks, a plurality of second ceramic matrix composite blocks, a plurality of third ceramic matrix composite blocks and a plurality of fourth ceramic matrix composite blocks;

the hammer body is cuboid, the first hammer head is arranged on a first side face of the hammer body, the second hammer head is arranged on a second side face of the hammer body, and the first side face and the second side face of the hammer body are a group of opposite side faces;

the first ceramic matrix composite blocks and the second ceramic matrix composite blocks are arranged in the first hammer head at intervals along the length direction of the hammer body, and are parallel to the first side surface of the hammer body;

the third ceramic matrix composite blocks and the fourth ceramic matrix composite blocks are arranged in the second hammer head at intervals along the length direction of the hammer body, and the third ceramic matrix composite blocks and the fourth ceramic matrix composite blocks are parallel to the second side surface of the hammer body.

Optionally, the first hammer head and the second hammer head each comprise a first side face, a second side face, a third side face and a fourth side face which are sequentially connected;

the first side surface of the first hammer head is in butt joint with the first side surface of the hammer body, and the first side surface of the second hammer head is in butt joint with the second side surface of the hammer body;

the first ceramic matrix composite block and the second ceramic matrix composite block are both close to the third side of the first hammer head and are both close to the fourth side of the first hammer head;

the third ceramic matrix composite block and the fourth ceramic matrix composite block are both proximate to the third side of the second hammer head and are both proximate to the fourth side of the second hammer head.

Optionally, the second sides of the first hammer and the second hammer are cambered surfaces.

Optionally, the first side surface of the first hammer head is parallel to the third side surface of the first hammer head, and the first side surface of the second hammer head is parallel to the third side surface of the second hammer head;

the included angle between the third side surface of the first hammer head and the fourth side surface of the first hammer head is between degrees and degrees, and the included angle between the third side surface of the second hammer head and the fourth side surface of the second hammer head is between degrees and degrees.

Optionally, the first side surface of the first hammer head is parallel to the third side surface of the first hammer head, and the first side surface of the second hammer head is parallel to the third side surface of the second hammer head;

the included angle between the third side surface of the first hammer head and the fourth side surface of the first hammer head is 70-80 degrees, and the included angle between the third side surface of the second hammer head and the fourth side surface of the second hammer head is 70-80 degrees.

Optionally, the impact crusher plate hammer further comprises a first limiting mechanism and a second limiting mechanism;

the first limiting mechanism comprises a plurality of limiting tables, the limiting tables are arranged on a third side face of the hammer body at intervals along the axial direction of the hammer body, limiting protrusions are arranged on a fourth side face of the hammer body along the axial direction of the hammer body, and the third side face and the fourth side face of the hammer body are a group of opposite side faces;

the second limiting mechanism comprises a first limiting lug and a second limiting lug, the first limiting lug and the second limiting lug are respectively connected with a plurality of two limiting tables located at two ends of the limiting tables in one-to-one correspondence mode, and the first limiting lug and the second limiting lug are oppositely arranged.

Optionally, the limiting platform is a regular quadrangular platform, and the central axis of the limiting platform is perpendicularly intersected with the central axis of the hammer body;

the limiting protrusion is cuboid, and the central axis of the limiting table is perpendicularly intersected with the central axis of the limiting protrusion.

Optionally, the fifth side surface and the sixth side surface of the hammer body are a group of opposite side surfaces, a first notch is formed at the intersection of the third side surface and the fifth side surface of the hammer body, and a second notch is formed at the intersection of the third side surface and the sixth side surface of the hammer body.

Optionally, a first through hole is formed in the first hammer head along the axial direction of the first hammer head, and a second through hole is formed in the second hammer head along the axial direction of the second hammer head.

(III) beneficial effects

The first hammer head and the second hammer head are easy to generate heat to generate metal creep when in use, and the first ceramic matrix composite block, the second ceramic matrix composite block, the third ceramic matrix composite block and the fourth ceramic matrix composite block can maintain the size and the shape of the plate hammer, so that the metal creep of the first hammer head and the second hammer head is reduced, and the wear resistance of the hammer heads is improved; and after the first hammer head or the second hammer head is worn to a certain extent, the end surfaces of the first ceramic matrix composite block, the second ceramic matrix composite block, the third ceramic matrix composite block and the fourth ceramic matrix composite block are exposed and are directly contacted with materials, so that the first ceramic matrix composite block, the second ceramic matrix composite block, the third ceramic matrix composite block and the fourth ceramic matrix composite block are prevented from being thrown out of the first hammer head or the second hammer head, and the wear resistance of the first hammer head and the second hammer head is improved.

Drawings

FIG. 1 is a side view of a counterattack breaker plate hammer of the present utility model;

FIG. 2 is a front view of the impact breaker plate hammer of the present utility model;

FIG. 3 is a cross-sectional view at B-B in FIG. 2;

fig. 4 is a cross-sectional view at A-A in fig. 2.

[ reference numerals description ]

100: a hammer body;

1: a first hammer head; 11: a first block of ceramic matrix composite material; 12: a second block of ceramic matrix composite material;

2: a second hammer head; 21: a third block of ceramic matrix composite material; 22: a fourth block of ceramic matrix composite material;

3: a limiting table; 4: a limit protrusion;

51: a first limit bump; 52: the second limit bump;

61: a first recess; 62: a second notch;

71: a first through hole; 72: a second through hole;

8: a cambered surface.

Detailed Description

The utility model will be better explained for understanding by referring to the following detailed description of the embodiments in conjunction with the accompanying drawings. Wherein references herein to "upper", "lower", "etc. are made with reference to the orientation of fig. 1.

While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1 to 4, the utility model provides a plate hammer of a reaction crusher, which comprises a rotor, wherein a plurality of mounting grooves are uniformly formed in the rotor along the axial direction, the plate hammer is mounted in the mounting grooves through a limiting block and a pressing plate, and the limiting block and the pressing plate fix the plate hammer through clamping the plate hammer. The plate hammer comprises a hammer body 100, a first hammer head 1, a second hammer head 2, a plurality of first ceramic matrix composite blocks 11, a plurality of second ceramic matrix composite blocks 12, a plurality of third ceramic matrix composite blocks 21 and a plurality of fourth ceramic matrix composite blocks 22, wherein the first ceramic matrix composite blocks 11, the second ceramic matrix composite blocks 12, the third ceramic matrix composite blocks 21 and the fourth ceramic matrix composite blocks 22 have excellent wear resistance and mechanical strength. The hammer body 100 is a cuboid or other axisymmetric cubes, the hammer body 100 comprises a first end face, a second end face and side faces, the first end face and the second end face are oppositely arranged, the side faces are connected with the side faces, and each side face comprises a first side face, a third side face, a second side face and a fourth side face which are sequentially connected with each other. The first hammer head 1 is arranged on a first side surface of the hammer body 100, the second hammer head 2 is arranged on a second side surface of the hammer body 100, and the first side surface and the second side surface of the hammer body 100 are a group of opposite side surfaces. The first hammer head 1, the hammer body 100, and the second hammer head 2 are integrally formed, and the positional relationship among the first hammer head 1, the second hammer head 2, and the hammer body 100 is described only for the sake of description. The first ceramic matrix composite blocks 11 and the second ceramic matrix composite blocks 12 are disposed in the first hammer head 1 at equal intervals along the length direction of the hammer body 100, and the first ceramic matrix composite blocks 11 and the second ceramic matrix composite blocks 12 are parallel to the first side surface of the hammer body 100. When the slab hammer 100 is cast, the first ceramic matrix composite block 11 and the second ceramic matrix composite block 12 are mounted at the position of the first hammer head 1 in a suspending way through the fixing rod, and the first ceramic matrix composite block 11 and the second ceramic matrix composite block 12 are inlaid in the first hammer head 1 after casting and solidification. The third ceramic matrix composite blocks 21 and the fourth ceramic matrix composite blocks 22 are disposed in the second hammer head 2 at intervals along the length direction of the hammer body 100, and the third ceramic matrix composite blocks 21 and the fourth ceramic matrix composite blocks 22 are parallel to the second side surface of the hammer body 100. Similarly, when the slab hammer 100 is cast, the third ceramic matrix composite block 21 and the fourth ceramic matrix composite block 22 are suspended and mounted at the position of the second hammer head 2 in advance through the fixing rod, and the third ceramic matrix composite block 21 and the fourth ceramic matrix composite block 22 are embedded in the second hammer head 2 after casting and solidification. The first hammer head 1 and the second hammer head 2 are easy to generate heat to generate metal creep when in use, the first ceramic matrix composite block 11, the second ceramic matrix composite block 12, the third ceramic matrix composite block 21 and the fourth ceramic matrix composite block 22 can maintain the size and the shape of the plate hammer, and the metal creep of the first hammer head 1 and the second hammer head 2 is reduced, so that the wear resistance of the hammer heads is improved; and after the first hammer head 1 or the second hammer head 2 is worn to a certain extent, the end surfaces of the first ceramic matrix composite block 11, the second ceramic matrix composite block 12, the third ceramic matrix composite block 21 and the fourth ceramic matrix composite block 22 are exposed and are directly contacted with materials, so that the first ceramic matrix composite block 11, the second ceramic matrix composite block 12, the third ceramic matrix composite block 21 and the fourth ceramic matrix composite block 22 are prevented from being thrown out of the first hammer head 1 or the second hammer head 2, and the wear resistance of the first hammer head 1 and the second hammer head 2 is improved.

As shown in fig. 2, the board hammer further includes a first limiting mechanism and a second limiting mechanism, the first limiting mechanism includes a plurality of limiting platforms 3, the plurality of limiting platforms 3 are disposed on a third side surface of the hammer body 100 along an axial direction of the hammer body 100 at intervals, the limiting platforms 3 can be connected with a first limiting groove disposed on the compacting plate correspondingly, and the compacting plate is connected with the rotor. The fourth side of the hammer body 100 is provided with a limiting bulge 4 along the axial direction of the hammer body 100, the limiting bulge 4 is cuboid, the limiting bulge 4 is connected with a limiting groove formed in a limiting block in a matched mode, and the limiting block is connected with the rotor. When the hammer is mounted, the limiting protrusion 4 slides into the limiting groove along the axial direction of the rotor. The third side and the fourth side of the hammer body 100 are a group of opposite sides, and the third side and the fourth side of the hammer body 100 are compressed and limited through the compressing plate and the limiting block, so that the stable connection of the plate hammer and the rotor is ensured, the plate hammer is prevented from being thrown out when the rotor rotates, the stability of the installation of the plate hammer is improved, and meanwhile, the convenience of the installation of the plate hammer is effectively improved. And, compare in the spacing platform 3 of the integration of the company, spacing platform 3 that the interval set up can effectual reduction material and processingquality. Further, the second limiting mechanism comprises a first limiting lug 51 and a second limiting lug 52, the first limiting lug 51 and the second limiting lug 52 are respectively connected with two limiting platforms 3 positioned at two ends of the plurality of limiting platforms 3 in one-to-one correspondence, the first limiting lug 51 and the second limiting lug 52 are both arranged on the top surface of the limiting platform 3, and the first limiting lug 51 and the second limiting lug 52 are oppositely arranged. The second limit grooves matched with the first limit lugs 51 and the second limit lugs 52 are formed in the compacting plates, the notch of the second groove is located at the bottom of the first limit groove, and the first limit lugs 51 and the second limit lugs 52 are protruded out of the top surface of the limit table 3, so that the first limit lugs 51 and the second limit lugs 52 are inserted into the grooves and are used for axially fixing the plate hammer on the rotor, so that axial movement of the rotor when the plate hammer impacts materials is avoided, and the stability of plate hammer installation is further improved.

As shown in fig. 3 of fig. 1, the fifth side and the sixth side of the hammer block 100 are a set of opposite sides, and a first notch 61 is formed in an intersecting edge of the third side and the fifth side of the hammer block 100, and the first notch 61 extends to the third side and the fifth side. Similarly, a second recess 62 is formed in the intersecting edge of the third side and the sixth side of the hammer block 100, and the second recess 62 extends to the third side and the sixth side. When the plate hammer is dismounted, the pry bar is inserted into the first notch 61 and/or the second notch 62 to pry the plate hammer, so that the condition that the hammer body 100 is tightly attached to the compacting plate and cannot be dismounted and cannot be inserted into the pry bar is avoided, and the convenience of dismounting the plate hammer is improved.

As shown in fig. 1, a first through hole 71 is formed in the first hammer head 1 in the axial direction of the first hammer head 1, and a second through hole 72 is formed in the second hammer head 2 in the axial direction of the second hammer head 2. The first through hole 71 penetrates through the first hammer head 1, the second through hole 72 penetrates through the second hammer head 2, and hoisting is convenient when the plate hammer is installed or replaced.

Preferably, as shown in fig. 4, the limiting platform 3 is a regular quadrangular frustum, the central axis of the limiting platform 3 is perpendicularly intersected with the central axis of the hammer body 100, the central axis of the limiting platform 3 is perpendicularly intersected with the central axis of the limiting protrusion 4, and the first hammer head 1 is worn and then is convenient for the installation of the rotary plate hammer to use the second hammer head 2.

As shown in fig. 1 to 4, the first hammer head 1 and the second hammer head 2 each include two end surfaces and a side surface connecting the two end surfaces, and the side surfaces include a first side surface, a second side surface, a third side surface and a fourth side surface which are sequentially connected. The first side of first tup 1 is docked with the first side of hammer block 100, and the first side of second tup 2 is docked with the second side of hammer block 100, and first tup 1 and second tup 2 symmetry set up, fall after the wearing and tearing of first tup 1 and change the board hammer installation and use second tup 2. The second side surfaces of the first hammer head 1 and the second hammer head 2 are cambered surfaces 8, so that damage to the hammer heads when materials strike the hammer heads is reduced. And, moreover, the method comprises the steps of. The first side of the first hammer head 1 is parallel to the third side of the first hammer head 1, and the first side of the second hammer head 2 is parallel to the third side of the second hammer head 2. The first ceramic matrix composite block 11 and the second ceramic matrix composite block 12 are both close to the third side of the first hammer head 1 and are both close to the fourth side of the first hammer head 1, and the first ceramic matrix composite block 11 is stacked above the second ceramic matrix composite block 12. After the first hammer head 1 is worn until the first ceramic matrix composite block 11 is exposed, sequentially wearing the first ceramic matrix composite block 11 and the second ceramic matrix composite block 12; the third ceramic matrix composite block 21 and the fourth ceramic matrix composite block 22 are both close to the third side of the second hammer head 2 and are both close to the fourth side of the second hammer head 2, and the third ceramic matrix composite block 21 is stacked on the fourth ceramic matrix composite block 22. After the second hammer head 2 is worn until the fourth ceramic matrix composite block 22 is exposed, the fourth ceramic matrix composite block 22 and the third ceramic matrix composite block 21 are sequentially worn. By superposition of the ceramic matrix composite blocks at the two sides, the wear resistance of the first hammer head 1 and the second hammer head 2 is further improved.

As shown in fig. 1, the included angle between the third side surface of the first hammer head 1 and the fourth side surface of the first hammer head 1 is a, and a is greater than or equal to 70 degrees and less than or equal to 80 degrees, preferably 75 degrees, and the included angle between the third side surface of the second hammer head 2 and the fourth side surface of the second hammer head 2 is b, and b is greater than or equal to 70 degrees and less than or equal to 80 degrees, preferably 75 degrees, so that the whole cross section of the plate hammer takes the shape of a circular arc.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (8)

1. The impact crusher plate hammer is characterized by comprising a hammer body (100), a first hammer head (1), a second hammer head (2), a plurality of first ceramic matrix composite material blocks (11), a plurality of second ceramic matrix composite material blocks (12), a plurality of third ceramic matrix composite material blocks (21) and a plurality of fourth ceramic matrix composite material blocks (22);

the hammer body (100) is a cuboid, the first hammer head (1) is arranged on a first side face of the hammer body (100), the second hammer head (2) is arranged on a second side face of the hammer body (100), and the first side face and the second side face of the hammer body (100) are a group of opposite side faces;

the first ceramic matrix composite blocks (11) and the second ceramic matrix composite blocks (12) are arranged in the first hammer head (1) at intervals along the length direction of the hammer body (100), and the first ceramic matrix composite blocks (11) and the second ceramic matrix composite blocks (12) are parallel to the first side surface of the hammer body (100);

the third ceramic matrix composite blocks (21) and the fourth ceramic matrix composite blocks (22) are arranged in the second hammer head (2) at intervals along the length direction of the hammer body (100), and the third ceramic matrix composite blocks (21) and the fourth ceramic matrix composite blocks (22) are parallel to the second side surface of the hammer body (100).

2. The impact crusher plate hammer according to claim 1, characterized in that the first and the second hammer heads (1, 2) each comprise a first side, a second side, a third side and a fourth side connected in sequence;

the first side surface of the first hammer head (1) is in butt joint with the first side surface of the hammer body (100), and the first side surface of the second hammer head (2) is in butt joint with the second side surface of the hammer body (100);

the first ceramic matrix composite block (11) and the second ceramic matrix composite block (12) are both close to the third side face of the first hammer head (1) and are both close to the fourth side face of the first hammer head (1);

the third ceramic matrix composite block (21) and the fourth ceramic matrix composite block (22) are both close to the third side of the second hammer head (2) and are both close to the fourth side of the second hammer head (2).

3. The impact crusher plate hammer according to claim 2, characterized in that the second sides of the first and second hammer heads (1, 2) are both cambered surfaces (8).

4. The impact crusher plate hammer according to claim 2, characterized in that the first side of the first hammer head (1) is parallel to the third side of the first hammer head (1), and the first side of the second hammer head (2) is parallel to the third side of the second hammer head (2);

the included angle between the third side surface of the first hammer head (1) and the fourth side surface of the first hammer head (1) is 70-80 degrees, and the included angle between the third side surface of the second hammer head (2) and the fourth side surface of the second hammer head (2) is 70-80 degrees.

5. The impact crusher hammer of any one of claims 1-4, further comprising a first limit mechanism and a second limit mechanism;

the first limiting mechanism comprises a plurality of limiting tables (3), the limiting tables (3) are arranged on the third side face of the hammer body (100) at intervals along the axial direction of the hammer body (100), limiting protrusions (4) are arranged on the fourth side face of the hammer body (100) along the axial direction of the hammer body (100), and the third side face and the fourth side face of the hammer body (100) are a group of opposite side faces;

the second limiting mechanism comprises a first limiting lug (51) and a second limiting lug (52), the first limiting lug (51) and the second limiting lug (52) are respectively connected with a plurality of two limiting tables (3) positioned at two ends of the limiting tables (3) in one-to-one correspondence, and the first limiting lug (51) and the second limiting lug (52) are oppositely arranged.

6. The impact crusher plate hammer according to claim 5, characterized in that the limiting table (3) is a regular quadrangular frustum, and the central axis of the limiting table (3) is perpendicularly intersected with the central axis of the hammer body (100);

the limiting protrusion (4) is a cuboid, and the central axis of the limiting table (3) is perpendicularly intersected with the central axis of the limiting protrusion (4).

7. The impact breaker plate hammer of any one of claims 1-4 wherein the fifth and sixth sides of the hammer body (100) are a set of opposing sides, a first recess (61) is formed at the intersection of the third and fifth sides of the hammer body (100), and a second recess (62) is formed at the intersection of the third and sixth sides of the hammer body (100).

8. The impact breaker plate hammer of any one of claims 1-4 wherein,

a first through hole (71) is formed in the first hammer head (1) along the axial direction of the first hammer head (1),

and a second through hole (72) is formed in the second hammer head (2) along the axial direction of the second hammer head (2).

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