Crusher hammer with long service life
By using reinforced blocks made of cemented carbide steel and hammer head design on the hammer head of the crusher, the problem of fast wear of the hammer head parts is solved and the service life and efficiency of the crusher are improved.
Patent Information
- Application Number
- CN202420180814.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-25
AI Technical Summary
The hammer head components of existing crushers wear faster, resulting in short service life.
The hammer head, connecting rod and upper fork are designed with cemented carbide steel reinforcement block and high chrome cast iron. The reinforcement block is fixed by hexagon bolts. The hammer head is designed to be semicircular to better disperse the impact force, and Set T-troughs and semicircular crushing tips at the end of the hammer to improve crushing effect.
It significantly improves the service life of the hammer head and the efficiency of the crusher, and enhances anti-wear, high temperature and corrosion resistance.
Smart Images

Figure CN222174169U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crusher hammers, in particular to a long-life crusher hammer. Background Art
[0002] The crusher hammer is a hammer crusher hammer. The hammer is one of the core components of the hammer crusher. It is arranged on the hammer shaft of the crusher rotor. The hammer directly hits the material when the crusher is running at high speed, and finally breaks the material into a suitable particle size. It has good resistance to mechanical shock and thermal shock, a wide range of applications, and can basically adapt to all crushing industries.
[0003] The existing patent document with announcement number CN217699411U discloses a crusher hammer head, including a positioning ring, a concave box is fixedly connected to the bottom of the positioning ring, a hammer body is inserted into the inner surface of the concave box, through holes are provided on the left and right sides of the concave box, and the inner surface of the through hole is movably connected to a limiting rod, and limiting holes are provided on the top of the left and right sides of the hammer body, and the opposite sides of the two limiting rods pass through the through holes and are inserted into the inner surface of the limiting holes, and the inner surface of the limiting rod is threadedly connected with a threaded rod, and one side of the inner cavity of the limiting hole is provided with a threaded hole used to cooperate with the threaded rod, the opposite side of the two threaded rods pass through the limiting rod and are threadedly connected to the inner surface of the threaded hole, and the opposite sides of the two threaded rods are fixedly connected with a first rotating handle.
[0004] The above-mentioned crusher hammer head can solve the corresponding technical problems, but during use, there are still the following problems: the hammer head parts wear out quickly, thereby reducing the service life of the crusher hammer head. Utility Model Content
[0005] The utility model aims to provide a long-life crusher hammer head to solve the technical problems of rapid wear and short service life of the hammer head parts proposed in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a long-life crusher hammer, including a crusher hammer body, the crusher hammer body is composed of an upper fork, a connecting rod, a hammer and a reinforcement block, the upper fork, the connecting rod and the hammer are one-piece designed, the middle part of the upper fork is symmetrically provided with pin holes, and the reinforcement block is installed at one end of the hammer by a hexagon socket bolt.
[0007] A reinforcement block is installed at one end of the hammer head. The material of the reinforcement block is carbide steel, which has higher hardness, bending strength, impact resistance, thermal fatigue resistance, good thermal hardness and low cost. It can greatly prolong the service life of the hammer head, thereby improving the use efficiency of the crusher.
[0008] As a further solution of the utility model, the hammer head is of semicircular design, and the hammer head, connecting rod and upper fork are all made of high chromium cast iron.
[0009] The hammer head is designed to be semicircular to better fit the reinforcement block. When the reinforcement block breaks objects, the impact force generated is better dispersed on the hammer head. The material of the hammer head, connecting rod and upper fork is set to high chromium cast iron, which is an excellent wear-resistant material with good high temperature resistance and corrosion resistance.
[0010] As a further solution of the utility model, a T-shaped groove is symmetrically opened at one end of the hammer head, a T-shaped block is inserted into the T-shaped groove, the T-shaped block is fixedly connected to one end of the reinforcing block, and the inner arc surface of the reinforcing block is connected to one end of the hammer head. The T-shaped block at one end of the reinforcing block is inserted therein, so that the inner arc surface of the reinforcing block is connected to the surface of the hammer head, and the two are matched, so that the reinforcing block can be quickly installed at one end of the hammer head.
[0011] As a further solution of the utility model, the surface of the reinforcement block is provided with two countersunk holes, and hexagon socket bolts are inserted into the countersunk holes, and the bottom of the hexagon socket bolts is screwed into the threaded holes on the connecting rod. The reinforcement block can be stably fixed on the hammer head by the hexagon socket bolts.
[0012] As a further solution of the utility model, a plurality of semicircular crushing tips are integrally formed on the surface of the reinforcing block, which can increase the crushing effect and further improve the use efficiency of the crusher.
[0013] As a further solution of the utility model, the reinforcing block is made of hard alloy steel, which has higher hardness, bending strength, impact resistance, thermal fatigue resistance, good thermal hardness and low cost, and can greatly improve the service life of the hammer head.
[0014] Compared with the prior art, the utility model has the beneficial effects of the long-life crusher hammer head:
[0015] The utility model installs a reinforcement block at one end of the hammer head, and the material of the reinforcement block is hard alloy steel, which has the characteristics of higher hardness, bending strength and impact resistance, thermal fatigue resistance, good thermal hardness and low cost, and can greatly prolong the service life of the hammer head, thereby improving the use efficiency of the crusher. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0018] Figure 2 It is a cross-sectional structural schematic diagram of an embodiment of the utility model;
[0019] Figure 3 It is a schematic diagram of component decomposition of an embodiment of the utility model.
[0020] Figure numerals: 1, upper fork; 101, pin hole; 2, connecting rod; 201, threaded hole; 3, hammer head; 301, T-slot; 4, reinforcement block; 401, T-block; 402, countersunk hole; 403, semicircular crushing tip; 5, hexagon socket bolt. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0022] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.
[0023] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.
[0024] See also Figure 1-Figure 3 As shown, the long-life crusher hammer head of the utility model embodiment includes a crusher hammer head body, which is composed of an upper fork 1, a connecting rod 2, a hammer head 3 and a reinforcing block 4. The upper fork 1, the connecting rod 2 and the hammer head 3 are integrally formed. Pin holes 101 are symmetrically opened in the middle of the upper fork 1, and the reinforcing block 4 is installed at one end of the hammer head 3 through a hexagon socket bolt 5.
[0025] The hammer head 3 is designed to be semicircular, and the hammer head 3, the connecting rod 2 and the upper fork 1 are all made of high-chromium cast iron. By designing the hammer head 3 to be semicircular, it can better fit the reinforcing block 4, so that the impact force generated by the reinforcing block 4 when breaking the object is better dispersed on the hammer head 3, and the material of the hammer head 3, the connecting rod 2 and the upper fork 1 is set to high-chromium cast iron, which is an excellent wear-resistant material with good high temperature resistance and corrosion resistance.
[0026] One end of the hammer head 3 is symmetrically provided with a T-slot 301, a T-block 401 is inserted into the T-slot 301, the T-block 401 is fixedly connected to one end of the reinforcing block 4, and the inner arc surface of the reinforcing block 4 is connected to one end of the hammer head 3. The T-slot 301 is symmetrically provided at one end of the hammer head 3, and the T-block 401 at one end of the reinforcing block 4 is inserted therein, so that the inner arc surface of the reinforcing block 4 is connected to the surface of the hammer head 3, so that the two fit together, so that the reinforcing block 4 can be quickly installed at one end of the hammer head 3.
[0027] The surface of the reinforcing block 4 is provided with two countersunk holes 402, and the countersunk holes 402 are inserted with hexagon socket bolts 5, and the bottom of the hexagon socket bolts 5 is screwed into the threaded hole 201 on the connecting rod 2. The reinforcing block 4 can be stably fixed on the hammer head 3 by the hexagon socket bolts 5.
[0028] The surface of the reinforcing block 4 is integrally formed with a plurality of semicircular crushing tips 403 to increase the crushing effect and thereby improve the use efficiency of the crusher hammer.
[0029] The reinforcing block 4 is made of hard alloy steel, which has higher hardness, bending strength, impact resistance, thermal fatigue resistance, good thermal hardness and low cost, and can greatly increase the service life of the hammer head 3, thereby improving the use efficiency of the crusher.
[0030] Principle of overall structure: When in use, first align the T-block 401 on one end of the reinforcing block 4 with the T-slot 301 on the hammer head 3, so that the reinforcing block 4 completely covers the surface of the hammer head 3, put the hexagon socket bolt 5 into the countersunk hole 402 at one end of the reinforcing block 4, and use the hexagon socket wrench to screw it into the threaded hole 201 on the connecting rod 2 to connect them into a whole, thus completing the operation of the long-life crusher hammer.
[0031] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.
Claims
1. Long life crusher hammer, characterized by: The invention comprises a crusher hammer body, wherein the crusher hammer body is composed of an upper fork (1), a connecting rod (2), a hammer head (3) and a reinforcing block (4); the upper fork (1), the connecting rod (2) and the hammer head (3) are integrally formed; a pin hole (101) is symmetrically provided in the middle of the upper fork (1); and the reinforcing block (4) is mounted on one end of the hammer head (3) by means of a hexagon socket bolt (5).
2. The long-life crusher hammer according to claim 1 is characterized by: The hammer head (3) is of semicircular design, and the hammer head (3), the connecting rod (2) and the upper fork (1) are all made of high-chromium cast iron.
3. The long-life crusher hammer according to claim 2 is characterized in that: A T-shaped groove (301) is symmetrically provided at one end of the hammer head (3), a T-shaped block (401) is inserted into the T-shaped groove (301), the T-shaped block (401) is fixedly connected to one end of the reinforcing block (4), and the inner arc surface of the reinforcing block (4) is connected to one end of the hammer head (3).
4. The long-life crusher hammer according to claim 3 is characterized by: Two countersunk holes (402) are provided on the surface of the reinforcing block (4), and hexagon socket bolts (5) are inserted into the countersunk holes (402). The bottom of the hexagon socket bolts (5) is screwed into the threaded hole (201) on the connecting rod (2).
5. The long-life crusher hammer according to claim 4 is characterized in that: A plurality of semicircular crushing tips (403) are integrally formed on the surface of the reinforcement block (4).
6. The long-life crusher hammer according to claim 5, characterized in that: The reinforcing block (4) is made of hard alloy steel.
