Novel hammer head special for limestone crushing
By inlaiding multiple wear-resistant blocks on the bottom of the limestone breaker hammer head, the problems of fast wear speed and short service life of the hammer head are solved, and higher wear resistance and crushing efficiency are achieved, reducing maintenance costs.
Patent Information
- Application Number
- CN202421529066.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-01
AI Technical Summary
Limestone crusher hammer head has fast wear speed, short service life, high maintenance cost, low crushing efficiency and frequent hammer head replacement.
A new type of special hammer head for limestone crushing was designed. The bottom end of the hammer head was inlaid with multiple wear-resistant blocks. The bottom surface of the wear-resistant block is on the same arc surface as the bottom surface of the hammer head, which improves the wear resistance of the hammer head.
By improving the wear resistance of the hammer head, the service life of the wear-resistant block is extended, the crushing efficiency is improved, the maintenance cost is reduced, and the company's production efficiency is improved.
Smart Images

Figure CN222872317U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of special hammers for limestone crushing, in particular to a novel special hammer for limestone crushing. Background Art
[0002] The hammer head of the crusher is a key component that directly contacts the material and performs crushing work. The selection of its material, structure and process directly affects the working efficiency and service life of the crusher.
[0003] Limestone crushing hammer plays a vital role in many factory production lines. Its performance directly affects the crushing efficiency and production cost. The problems faced by limestone crushing hammer mainly include fast wear speed, short service life, high maintenance cost and low crushing efficiency, which directly reduce the factory's production efficiency and increase the factory's production cost. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the utility model provides a special hammer head for limestone crushing, which solves the problems of fast wear speed, short service life, high maintenance cost, low crushing efficiency and frequent replacement of hammer heads of limestone crushing hammer heads, improves production efficiency, reduces production costs and expands company benefits.
[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a new type of special hammer for limestone crushing, including a special hammer, the upper part of which is connected to a hammer shaft, the hammer shaft is fixedly connected to a rotating shaft, the rotating shaft is connected to an external driving device, and the bottom end of the special hammer is inlaid with a plurality of wear-resistant blocks, and the bottom surfaces of the plurality of wear-resistant blocks and the bottom surface of the special hammer are on the same arc surface.
[0006] Preferably, a limiting bolt is provided at the top of the special hammer head, an axial hole is provided on the outer side of the upper part of the special hammer head, and a bolt hole penetrating to the axial hole is provided at the top of the special hammer head.
[0007] Preferably, a positioning hole is opened on the top of the hammer shaft, which is connected with a limiting bolt inserted into the bolt hole and used to fix the special hammer and the hammer shaft. The limiting bolt passes through the bolt hole and is inserted into the positioning hole of the hammer shaft to fix it to prevent the hammer from loosening during the crushing process.
[0008] Preferably, the special hammer head is sleeved on the hammer head shaft through the shaft hole, and the position is determined by aligning the positioning hole on the hammer head shaft and the bolt hole on the special hammer head, and the bolt is inserted to fix it, and the installation operation is simple.
[0009] Preferably, the multiple wear-resistant blocks are arranged in three rows, and the three rows of wear-resistant blocks are respectively arranged as the first row of wear-resistant blocks, the second row of wear-resistant blocks and the third row of wear-resistant blocks. Because the bottom surfaces of the multiple wear-resistant blocks and the bottom surface of the special hammer head are on the same arc surface, the multiple wear-resistant blocks are tangent to the running track of the special hammer, thereby improving the wear resistance of the hammer head.
[0010] Preferably, the main component of the three rows of wear-resistant blocks is set to carbon-silicon-titanium alloy, and the first row of wear-resistant blocks, the second row of wear-resistant blocks and the third row of wear-resistant blocks are staggered and inlaid, and there are gaps between the multiple wear-resistant blocks to facilitate the close combination of the wear-resistant block steel and water, thereby extending the life of the wear-resistant blocks.
[0011] The utility model discloses a novel special hammer head for limestone crushing, which has the following beneficial effects: the novel special hammer head for limestone crushing has three rows of staggered wear-resistant blocks embedded in the bottom end of the special hammer head. The wear-resistant blocks have high strength, good toughness and good wear resistance, and have characteristics tailored to the hardness characteristics of limestone. Moreover, the bottom surfaces of multiple wear-resistant blocks and the bottom surface of the special hammer head are on the same arc surface, so that the wear-resistant blocks are tangent to the running track of the hammer head, avoiding the occurrence of breakage and flesh loss due to the wear-resistant blocks, greatly improving the wear resistance of the hammer head, and the presence of gaps between the wear-resistant blocks enhances the close bonding of molten steel, prolongs the service life of the wear-resistant blocks, improves crushing efficiency, reduces maintenance costs, and improves the company's production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the connection between the hammer head and the hammer head shaft of the utility model;
[0015] Figure 3 This is a schematic diagram of the special hammer structure of the utility model.
[0016] In the figure: 1. special hammer head; 101. shaft hole; 102. bolt hole; 2. hammer head shaft; 3. rotating shaft; 4. wear-resistant block; 401. first row of wear-resistant blocks; 402. second row of wear-resistant blocks; 403. third row of wear-resistant blocks; 5. limit bolt. DETAILED DESCRIPTION
[0017] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0018] The embodiment of the present application solves the problems of fast wear speed, short service life, high maintenance cost, low crushing efficiency and frequent replacement of hammer heads of limestone crushing hammer heads by providing a new type of special hammer head for limestone crushing, thereby improving the wear resistance of the hammer head, extending the service life of the wear-resistant block, improving the crushing efficiency, reducing maintenance costs, and enhancing the company's production efficiency.
[0019] The utility model embodiment discloses a novel hammer head specially used for crushing limestone.
[0020] According to the attached Figure 1-3 As shown, it includes a special hammer head 1, a hammer head shaft 2 is connected to the upper part of the special hammer head 1, the hammer head shaft 2 is fixedly connected to the rotating shaft 3, the rotating shaft 3 is connected to the external driving device, and a plurality of wear-resistant blocks 4 are embedded inside the bottom end of the special hammer head 1, and the bottom surfaces of the plurality of wear-resistant blocks 4 and the bottom surface of the special hammer head 1 are on the same arc surface.
[0021] It should be noted that, in this design, a plurality of wear-resistant blocks 4 are embedded at the bottom of the special hammer head 1 according to the working track of one cycle of crushing operation of the special hammer head 1, and the first row of wear-resistant blocks 401, the second row of wear-resistant blocks 402 and the third row of wear-resistant blocks 403 are staggeredly embedded, and the bottom surfaces of the plurality of wear-resistant blocks 4 and the bottom surface of the special hammer head 1 are on the same arc surface, so that the plurality of wear-resistant blocks 4 are tangent to the running track of the special hammer head 1, and the gaps between the wear-resistant blocks 4 make the steel and water closely combined, thereby greatly enhancing the wear resistance of the special hammer head 1;
[0022] A limiting bolt 5 is arranged at the top of the special hammer head 1 , an axial hole 101 is opened on the outer side of the upper part of the special hammer head 1 , and a bolt hole 102 penetrating to the axial hole 101 is opened on the top of the special hammer head 1 .
[0023] A through positioning hole 201 is provided on the top of the hammer shaft 2 , which is inserted and connected with the limiting bolt 5 and the bolt hole 102 , and is used to fix the special hammer 1 and the hammer shaft 2 .
[0024] The special hammer head 1 is sleeved on the hammer head shaft 2 through the shaft hole 101 , and the limiting bolt 5 is inserted into the aligned positioning hole 201 and the bolt hole 102 .
[0025] The multiple wear-resistant blocks 4 are arranged in three rows, and the three rows of wear-resistant blocks 4 are respectively arranged as the first row of wear-resistant blocks 401, the second row of wear-resistant blocks 402 and the third row of wear-resistant blocks 403, and the bottom surfaces of the multiple wear-resistant blocks 4 and the bottom surface of the special hammer head 1 are on the same arc surface, so that the multiple wear-resistant blocks 4 are tangent to the running trajectory of the special hammer 1, thereby improving the wear resistance of the hammer head.
[0026] The main component of the three rows of wear-resistant blocks 4 is set to carbon-silicon-titanium alloy, and the first row of wear-resistant blocks 401, the second row of wear-resistant blocks 402 and the third row of wear-resistant blocks 403 are staggered and inlaid, and there are gaps between the multiple wear-resistant blocks 4, which facilitates the close combination of the wear-resistant blocks 4 and water, thereby extending the life of the wear-resistant blocks 4.
[0027] The overall design prolongs the service life of the wear-resistant block 4, improves the crushing efficiency, reduces the maintenance cost, and improves the company's production efficiency.
[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A new type of special hammer for limestone crushing, comprising a special hammer (1), characterized in that: The upper part of the special hammer head (1) is connected to a hammer head shaft (2), the hammer head shaft (2) is fixedly connected to a rotating shaft (3), the rotating shaft (3) is connected to an external driving device, and a plurality of wear-resistant blocks (4) are embedded inside the bottom end of the special hammer head (1), and the bottom surfaces of the plurality of wear-resistant blocks (4) and the bottom surface of the special hammer head (1) are on the same arc surface.
2. A new type of special hammer head for limestone crushing according to claim 1, characterized in that: A limiting bolt (5) is arranged at the top of the special hammer head (1), and an axial hole (101) is opened on the outer side of the upper part of the special hammer head (1).
3. The new type of special hammer head for limestone crushing according to claim 1 is characterized in that: The top of the special hammer head (1) is provided with a bolt hole (102) penetrating to the shaft hole (101), and the top of the hammer head shaft (2) is provided with a positioning hole (201).
4. A new type of special hammer head for limestone crushing according to claim 3, characterized in that: The special hammer head (1) is sleeved on the hammer head shaft (2) through the shaft hole (101), and the limiting bolt (5) is inserted into the aligned positioning hole (201) and the bolt hole (102).
5. The new type of hammer head for limestone crushing according to claim 1 is characterized in that: The plurality of wear-resistant blocks (4) are arranged in three rows, and the three rows of wear-resistant blocks (4) are respectively arranged as a first row of wear-resistant blocks (401), a second row of wear-resistant blocks (402) and a third row of wear-resistant blocks (403).
6. A new type of hammer head for limestone crushing according to claim 5, characterized in that: The main component of the three rows of wear-resistant blocks (4) is set to carbon-silicon-titanium alloy, and the first row of wear-resistant blocks (401), the second row of wear-resistant blocks (402) and the third row of wear-resistant blocks (403) are staggered and embedded.