Wear-resistant hammer head of crusher

Abstract

The wear-resistant hammerhead comprises a hammerhead body, a protection mechanism is arranged below the hammerhead body and comprises an alloy plate, an inserting rod and a limiting block, a connecting base is arranged above the hammerhead body, an inserting groove is formed in the bottom of the connecting base, an inserting block is integrally formed at the top of the hammerhead body, and the limiting block is arranged in the inserting groove. And the inserting block is positioned in the inserting groove. According to the wear-resistant hammer head of the crusher, by arranging the protection mechanism, inserting rods are inserted into inserting holes, limiting blocks are inserted into limiting grooves, then bolts are rotated, and the bolts are in threaded connection with threaded holes in the inserting rods, so that the inserting rods can be fixed, alloy plates are fixed to the lower portion of the hammer head through the inserting rods, and the alloy plates protect the hammer head and prevent the hammer head from being worn; and the damage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hammer heads, in particular to a wear-resistant hammer head of a crusher. Background Art

[0002] Hammer crusher is a crushing machine widely used in cement, ceramics, mining, power and other industries. When the material enters the rotor crushing chamber, it is impacted by the hammers distributed on the high-speed rotating rotor body, so that the material gains enough kinetic energy to be thrown to the impact plate to achieve material crushing.

[0003] After searching, the existing patent (publication number: CN210935198U) discloses a wear-resistant crusher hammer head, including a connecting handle, a hammer head is arranged above the connecting handle, the hammer head is in a cone shape with a circular arc at the top, crushing teeth are arranged on the surfaces of both sides of the hammer head, an alloy layer is arranged on the top of the hammer head, connecting parts are arranged on both sides of the alloy layer and penetrate into both sides of the hammer head, a connecting block is arranged at the bottom of the hammer head, the hammer head is fixed in the connecting block by bolts, a limiting plate is arranged between the bottom of the connecting block and the hammer head, a support plate is arranged at the bottom of the hammer head, a buffer column is arranged between the support plate and the hammer head, a support column is fixedly connected to the buffer column, and a hammer is hinged on the top of the support column through a rotating shaft. The utility model has a simple structure and can easily replace the connecting handle. The extra connecting part of the alloy layer on the top of the hammer head penetrates into the hammer head, effectively enhancing the strength of the alloy layer, and the hammer in the hammer head increases the impact force of the hammer head.

[0004] It can facilitate the replacement of the connecting handle, and the extra connecting part of the alloy layer on the top of the hammer head goes deep into the hammer head, effectively enhancing the strength of the alloy layer. However, the alloy layer is fixed on the hammer head. After the alloy layer is damaged, it is difficult to replace. Continuing to use it will cause damage to the hammer head. Replacement and replacement together with the hammer head. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a wear-resistant hammer head of a crusher, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a wear-resistant hammer head of a crusher, including a hammer head, a protective mechanism is provided below the hammer head, the protective mechanism includes an alloy plate, an insertion rod and a limit block, a connecting seat is provided above the hammer head, a slot is provided at the bottom of the connecting seat, and an insertion block is integrally formed on the top of the hammer head, and the insertion block is located inside the slot.

[0007] Preferably, circular holes are provided on both sides of the connecting seat, through holes are provided inside the circular holes, the bottom of the insertion rod and the top of the limit block are fixedly connected, the bottom of the limit block and the top of the alloy plate are fixedly connected, threaded holes are provided inside the insertion block and the inside of the insertion rod, bolts are provided inside the circular holes, and the bolts are screwed through the through holes and the threaded holes.

[0008] Preferably, a limiting groove is provided at the bottom of the hammer head, a plug hole is provided inside the limiting groove, the insertion rod is located inside the plug hole, and the limiting block is located inside the limiting groove.

[0009] Preferably, an anti-loosening mechanism is provided inside the bolt, and the anti-loosening mechanism includes a round rod. Two fixing holes are opened on the outer wall of the bolt, and a fixing plate is fixed inside the fixing hole. A moving rod is slidably connected inside the fixing plate, and tooth blocks and top blocks are respectively fixed at both ends of the moving rod.

[0010] Preferably, circular tooth grooves are provided on both sides of the insert block, a circular groove is provided inside the bolt, a first spring is fixed inside the circular groove, a round rod is fixed to the other end of the first spring, and an annular groove is provided on the outer wall of the round rod.

[0011] Preferably, a plurality of extrusion blocks are slidably connected inside the bolt, and a second spring is sleeved on the outer side of the moving rod between the fixing plate and the top block.

[0012] Beneficial Effects

[0013] The utility model provides a wear-resistant hammer head for a crusher. Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The wear-resistant hammer head of the crusher is provided with a protective mechanism. The plug rod is inserted into the inside of the plug hole, the limit block is inserted into the inside of the limit groove, and then the bolt is turned. The bolt is screwed with the threaded hole on the plug rod, so that the plug rod can be fixed. The plug rod fixes the alloy plate under the hammer head. The alloy plate protects the hammer head to prevent its wear and reduce its damage.

[0015] 2. The wear-resistant hammer head of the crusher is provided with an anti-loosening mechanism. A hexagonal barrel wrench is inserted into the bolt to rise. When the hexagonal barrel wrench is inserted into the hexagonal block of the bolt, the extrusion block will be squeezed, and the extrusion block squeezes the round rod, and the round rod moves downward, so that the second spring pushes the top block into the inside of the ring groove, and the top block moves with the moving rod and the tooth block, and the tooth block moves out of the circular tooth groove, so that the bolt can be rotated, and after the hammer head and the connecting seat are tightened and screwed, the wrench is removed, and the first spring pushes the round rod to move, and the round rod pushes the top block, and the tooth block is inserted into the circular tooth groove again, thereby limiting the rotation of the bolt and preventing the bolt from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the hammer head in the utility model when viewed from above;

[0019] Figure 4 It is a bottom view structural diagram of the connecting seat in the utility model;

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the bolt in the utility model;

[0021] Figure 6 For this utility model Figure 5 The structural diagram at A in the middle;

[0022] Figure 7 It is a structural schematic diagram of the protection mechanism in the utility model.

[0023] In the figure: 1. protective mechanism; 2. hammer head; 3. connecting seat; 4. limit block; 5. plug rod; 6. bolt; 7. circular tooth groove; 8. plug hole; 9. limit groove; 10. plug block; 11. through hole; 12. slot; 13. round hole; 14. round groove; 15. first spring; 16. annular groove; 17. round rod; 18. extrusion block; 19. top block; 20. second spring; 21. fixed plate; 22. moving rod; 23. fixed hole; 24. tooth block; 25. threaded hole; 26. alloy plate; 27. anti-loosening mechanism. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-7The utility model provides a technical solution: a wear-resistant hammer head of a crusher, including a hammer head 2, a protective mechanism 1 is provided below the hammer head 2, the protective mechanism 1 includes an alloy plate 26, an insert rod 5 and a limit block 4, a connecting seat 3 is provided above the hammer head 2, a slot 12 is provided at the bottom of the connecting seat 3, an insert block 10 is integrally formed on the top of the hammer head 2, the insert block 10 is located inside the slot 12, a round hole 13 is provided on the left and right sides of the connecting seat 3, a through hole 11 is provided inside the round hole 13, the bottom of the insert rod 5 is fixedly connected to the top of the limit block 4, the bottom of the limit block 4 is fixedly connected to the top of the alloy plate 26, the inside of the insert block 10 and the insert A threaded hole 25 is provided inside the rod 5, a bolt 6 is provided inside the circular hole 13, the bolt 6 passes through the through hole 11 and is screwed together with the threaded hole 25, a limiting groove 9 is provided at the bottom of the hammer head 2, a socket 8 is provided inside the limiting groove 9, the insertion rod 5 is located inside the socket 8, the limiting block 4 is located inside the limiting groove 9, the insertion rod 5 is inserted into the socket 8, the limiting block 4 is inserted into the limiting groove 9, and then the bolt 6 is rotated, the bolt 6 is screwed together with the threaded hole 25 on the insertion rod 5, so that the insertion rod 5 can be fixed, the insertion rod 5 fixes the alloy plate 26 under the hammer head 2, and the alloy plate 26 protects the hammer head 2 to prevent it from wear and reduce its damage.

[0026] Furthermore, an anti-loosening mechanism 27 is provided inside the bolt 6, and the anti-loosening mechanism 27 includes a round rod 17, and two fixing holes 23 are provided on the outer wall of the bolt 6, and a fixing plate 21 is fixed inside the fixing hole 23, and a moving rod 22 is slidably connected inside the fixing plate 21, and a tooth block 24 and a top block 19 are respectively fixed at both ends of the moving rod 22, and circular tooth grooves 7 are provided on the left and right sides of the insert block 10, and a circular groove 14 is provided inside the bolt 6, and a first spring 15 is fixed inside the circular groove 14, and a round rod 17 is fixed on the other end of the first spring 15, and an annular groove 16 is provided on the outer wall of the round rod 17, and a plurality of extrusion blocks 18 are slidably connected inside the bolt 6, and the outer side of the moving rod 22 is located at a fixed A second spring 20 is sleeved between the fixed plate 21 and the top block 19, and a hexagonal wrench is used to insert it into the bolt 6. When the hexagonal wrench is inserted into the hexagonal block of the bolt 6, the extrusion block 18 will be squeezed, and the extrusion block 18 squeezes the round rod 17, and the round rod 17 moves downward, so that the second spring 20 pushes the top block 19 into the inside of the annular groove 16, and the top block 19 moves with the moving rod 22 and the tooth block 24, and the tooth block 24 moves out of the circular tooth groove 7, so that the bolt 6 can be rotated, and after the hammer head 2 and the connecting seat 3 are tightened and screwed, the wrench is removed, and the first spring 15 pushes the round rod 17 to move, and the round rod 17 pushes the top block 19, and the tooth block 24 is inserted into the circular tooth groove 7 again, thereby limiting the rotation of the bolt 6 and preventing the bolt 6 from loosening.

[0027] During operation, the insert rod 5 is inserted into the inside of the socket 8, the limit block 4 is inserted into the inside of the limit groove 9, and then the bolt 6 is rotated. The bolt 6 is screwed into the threaded hole 25 on the insert rod 5, so that the insert rod 5 can be fixed. The insert rod 5 fixes the alloy plate 26 under the hammer head 2. The alloy plate 26 protects the hammer head 2 to prevent its wear and reduce its damage.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant hammer head of a crusher, comprising a hammer head (2), characterized in that: A protective mechanism (1) is provided below the hammer head (2), the protective mechanism (1) comprising an alloy plate (26), an insert rod (5) and a limit block (4); a connecting seat (3) is provided above the hammer head (2), a slot (12) is provided at the bottom of the connecting seat (3), and an insert block (10) is integrally formed at the top of the hammer head (2), the insert block (10) being located inside the slot (12).

2. The wear-resistant hammer head of a crusher according to claim 1, characterized in that: The left and right sides of the connecting seat (3) are provided with circular holes (13), the inside of the circular hole (13) is provided with a through hole (11), the bottom of the insertion rod (5) and the top of the limit block (4) are fixedly connected, the bottom of the limit block (4) and the top of the alloy plate (26) are fixedly connected, the inside of the insertion block (10) and the inside of the insertion rod (5) are provided with threaded holes (25), the inside of the circular hole (13) is provided with a bolt (6), and the bolt (6) passes through the through hole (11) and the threaded hole (25) for threaded connection.

3. The wear-resistant hammer head of a crusher according to claim 2, characterized in that: A limiting groove (9) is provided at the bottom of the hammer head (2), a plug hole (8) is provided inside the limiting groove (9), the insertion rod (5) is located inside the plug hole (8), and the limiting block (4) is located inside the limiting groove (9).

4. The wear-resistant hammer head of a crusher according to claim 3, characterized in that: An anti-loosening mechanism (27) is provided inside the bolt (6), and the anti-loosening mechanism (27) comprises a round rod (17). Two fixing holes (23) are provided on the outer wall of the bolt (6). A fixing plate (21) is fixed inside the fixing hole (23). A moving rod (22) is slidably connected inside the fixing plate (21). A tooth block (24) and a top block (19) are respectively fixed at both ends of the moving rod (22).

5. The wear-resistant hammer head of a crusher according to claim 4, characterized in that: Circular tooth grooves (7) are provided on both left and right sides of the insert block (10), a circular groove (14) is provided inside the bolt (6), a first spring (15) is fixed inside the circular groove (14), a round rod (17) is fixed to the other end of the first spring (15), and an annular groove (16) is provided on the outer side wall of the round rod (17).

6. The wear-resistant hammer head of a crusher according to claim 5, characterized in that: A plurality of extrusion blocks (18) are slidably connected inside the bolt (6), and a second spring (20) is sleeved on the outer side of the moving rod (22) between the fixing plate (21) and the top block (19).

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