Limestone crusher hammer head with lifting lugs

Abstract

The utility model relates to the field of crushers, in particular to a limestone crusher hammerhead with lifting lugs. The limestone crusher hammerhead with the lifting lug comprises a hammerhead body, wear-resistant blocks and a wear-resistant ring, the top end of the hammerhead body is fixedly connected with the lifting lug used for lifting, one end of the hammerhead body is provided with a mounting hole, the two ends of the hammerhead body are symmetrically and fixedly connected with the wear-resistant blocks, and the bottom ends of the wear-resistant blocks are fixedly connected with reinforcing ribs. Wear-resistant rings are symmetrically mounted in the mounting holes, L-shaped connecting rods are symmetrically and fixedly connected to one sides of the wear-resistant rings, and through holes are formed in one ends of the two L-shaped connecting rods. The wear-resistant blocks and the wear-resistant rings are arranged on the hammer head body, so that the wear between the hammer head and materials and the wear between the hammer head and the edge of the mounting hole are effectively reduced, and the service life of the hammer head is prolonged; and due to the materials and the design of the wear-resistant blocks and the wear-resistant rings, the hammer head can keep high hardness and wear resistance in the crushing process, and the crushing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of crusher, especially a limestone crusher hammer head with lifting lug. BACKGROUND

[0002] The crusher, as a kind of widely used in the processing of metal and non-metallic ore crushing machinery, its core function is to break the original ore into small particles by extrusion, bending and other action modes, to meet the needs of subsequent processing or use;Among them, hammer crusher with its efficient, flexible crushing capacity, become the majority of crushing equipment in the all-rounders;Hammer head, as the core component of hammer crusher, directly bear the impact material, realize the crushing of the heavy responsibility;

[0003] In the crushing process of limestone, the performance of crusher hammer head is directly related to the efficiency and quality of the whole crushing operation;However, the traditional limestone crusher hammer head in design often has many deficiencies;Firstly, the traditional hammer head design pays too much attention to crushing function, and ignores the convenience in installation, disassembly and maintenance process;In actual production, due to the long-term work of hammer head in high-intensity impact and wear environment, its wear degree is more serious, and it needs to be replaced regularly;However, the existing hammer head structure is complex, and the replacement process is cumbersome, usually need to use complex lifting tools, and lack of suitable force point, which leads to the shaking and collision of hammer head in lifting process, which not only may damage the hammer head itself, but also may cause damage to other parts inside the crusher, increase the maintenance cost and downtime;

[0004] Secondly, the traditional limestone crusher hammer head also has defects in the design of mounting hole;Since the hammer head needs to rotate at high speed in the working process, the friction between the mounting hole and the rotating shaft is inevitable;Over a long period of time, the friction will cause the mounting hole to crack, seriously affect the service life of the hammer head and the overall performance of the crusher;In addition, the cracked mounting hole may also cause safety hazards, and pose a threat to the safety of operators.

[0005] Therefore, it is necessary to provide a new limestone crusher hammer head with lifting lug to solve the above technical problems. CONTENT OF UTILITY MODEL

[0006] To solve the above technical problems, the utility model provides a limestone crusher hammer head with lifting lug.

[0007] The hammer head of the limestone crusher with a lifting lug provided by the utility model comprises a hammer head body, wear-resistant blocks and wear-resistant rings, the top end of the hammer head body is fixedly connected with a lifting lug for hoisting, one end of the hammer head body is provided with a mounting hole, the two ends of the hammer head body are fixedly connected with wear-resistant blocks in a symmetrical mode, the bottom end of the wear-resistant block is fixedly connected with a reinforcing rib, the wear-resistant rings are symmetrically mounted in the mounting hole, the wear-resistant rings are fixedly connected with L-shaped connecting rods in a symmetrical mode on one side, and the two groups of L-shaped connecting rods are provided with through holes on one end.

[0008] Preferably, bolts are mounted in the two corresponding through holes, and the bolts are fastened with corresponding nuts to fasten the two L-shaped connecting rods.

[0009] Preferably, the wear-resistant rings are in interference fit with the mounting hole.

[0010] Preferably, the lifting lug is provided with a hoisting hole in the inside.

[0011] Preferably, the lifting lug and the hammer head body are integrally formed, and are made through casting, forging or integral machining technology, so that the connecting strength between the lifting lug and the hammer head body is enhanced, and the overall structural stability and service life of the hammer head are improved.

[0012] Preferably, the lifting lug and the hammer head body are made of high manganese steel, have excellent wear resistance and impact resistance, and can significantly improve the service life and working efficiency of the hammer head.

[0013] Preferably, the bent part of the L-shaped connecting rod is attached to the top of the hammer head body.

[0014] Compared with the related art, the hammer head of the limestone crusher with a lifting lug provided by the utility model has the following beneficial effects:

[0015] The crushing efficiency and durability are improved:

[0016] By arranging the wear-resistant blocks and wear-resistant rings on the hammer head body, the wear of the hammer head and the material and the edge of the mounting hole is effectively reduced, so that the service life of the hammer head is prolonged;

[0017] The material and design of the wear-resistant blocks and wear-resistant rings enable the hammer head to maintain high hardness and wear resistance during the crushing process, and improve the crushing efficiency;

[0018] The installation and dismounting process is simplified:

[0019] The design of the lifting lug makes the installation and dismounting of the hammer head more convenient, and complex hoisting tools are not needed, so that the operation difficulty and labor intensity are reduced;

[0020] The lifting lug and the hammer head body are integrally formed, the connecting strength is enhanced, damage caused by shaking or collision during hoisting is avoided, and the safety of installation and dismounting is improved;

[0021] The stability of the overall structure is enhanced:

[0022] The wear-resistant block is fixedly connected with the hammer head body through the reinforcing rib, the overall strength and stability are increased, and the hammer head can maintain good balance when rotating at high speed;

[0023] The fixing mode of the L-shaped connecting rod and the bolt ensures the firmness of the wear-resistant ring in the mounting hole, prevents cracking problem caused by long-term friction, and improves the overall structural stability of the hammer head;

[0024] The working efficiency and safety are improved:

[0025] The selection of the high manganese steel material makes the hammer head have excellent wear resistance and impact resistance, can maintain good performance in a long-term high-strength working environment, and significantly improves the working efficiency;

[0026] The lifting lug and the hammer head body are integrally formed, the safety hidden danger caused by loose connection is avoided, and the safety of the crushing operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A structure diagram of the limestone crusher hammer head with a lifting lug is provided;

[0028] Figure 2 For Figure 1 A structure diagram of the hammer head body is shown;

[0029] Figure 3 For Figure 1 A structure diagram of the wear-resistant ring is shown.

[0030] Reference signs in the drawings: 1, hammer head body; 2, lifting lug; 3, mounting hole; 4, wear-resistant block; 5, wear-resistant ring; 6, L-shaped connecting rod; 7, through hole; 8, reinforcing rib; 9, lifting hole; 10, bolt. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0032] The specific implementation of the utility model will be described in detail by combining with specific examples.

[0033] Please refer to Figures 1-3A limestone crusher hammer head with a lifting lug, the limestone crusher hammer head with a lifting lug comprises a hammer head body 1, a wear-resistant block 4 and a wear-resistant ring 5, a lifting lug 2 for lifting is fixedly connected to the top end of the hammer head body 1, a mounting hole 3 is formed in one end of the hammer head body 1, the wear-resistant blocks 4 are fixedly connected to the two ends of the hammer head body 1 in a symmetrical mode, the bottom end of the wear-resistant block 4 is fixedly connected with a reinforcing rib 8, the wear-resistant rings 5 are symmetrically installed in the mounting hole 3, the L-shaped connecting rods 6 are fixedly connected to one side of the wear-resistant rings 5 in a symmetrical mode, the through holes 7 are formed in one end of the two groups of L-shaped connecting rods 6, the bolts 10 are installed in the two corresponding through holes 7, the wear-resistant ring 5 is in interference fit with the mounting hole 3, the lifting lug 2 is provided with a lifting hole 9 in the inside, the lifting lug 2 and the hammer head body 1 are integrally formed, and are made through casting, forging or integral machining technology, so that the connecting strength between the lifting lug and the hammer head body is enhanced, the overall structural stability and service life of the hammer head are improved, the lifting lug 2 and the hammer head body 1 are made of high manganese steel, have excellent wear resistance and impact resistance, and can significantly improve the service life and working efficiency of the hammer head, and the bending parts of the L-shaped connecting rods 6 are attached to the top of the hammer head body 1.

[0034] It should be noted that:

[0035] The hammer head body 1 and the lifting lug 2 are made of high manganese steel, have high wear resistance and impact resistance, can maintain good performance in a long-term high-strength working environment, and significantly improve the service life and working efficiency of the hammer head;

[0036] The bending parts of the L-shaped connecting rods 6 are attached to the top of the hammer head body 1, which not only increases the stability of the connection, but also reduces the risk of cracking caused by stress concentration;

[0037] The wear-resistant block 4 and the wear-resistant ring 5 are provided, and they are firmly connected with the hammer head body 1 and the mounting hole 3, which together constitute a multiple protection mechanism for the hammer head, effectively improving the durability and safety of the hammer head.

[0038] The working principle of the limestone crusher hammer head with a lifting lug provided by the utility model is as follows:

[0039] The crushing process:

[0040] The hammer head body 1 is the main part of the crushing operation, and directly strikes the limestone material entering the crusher through the kinetic energy generated by high-speed rotation;

[0041] The wear-resistant block 4 and the wear-resistant ring 5 are provided, which effectively reduces the wear of the hammer head body 1 and the material and the edge of the mounting hole 3, prolonging the service life of the hammer head; the wear-resistant block 4 is fixedly connected with the hammer head body 1 through the reinforcing rib 8, increasing the overall strength and stability;

[0042] The interference fit of the wear-resistant ring 5 with the mounting hole 3, and the fixation through the L-shaped connecting rod 6 and the bolt 10, ensure the firmness of the wear-resistant ring 5 in the mounting hole 3, preventing cracking problems caused by long-term friction;

[0043] Mounting and dismounting:

[0044] The design of the lifting lug 2 makes the installation and dismounting of the hammer head more convenient; through the lifting hole 9, the hammer head body 1 can be easily lifted onto the rotating shaft of the crusher or dismounted from the rotating shaft using lifting tools;

[0045] The lifting lug 2 is integrally formed with the hammer head body 1, made by casting, forging or integral machining technology, enhancing the connection strength between the lifting lug 2 and the hammer head body 1, and avoiding damage caused by shaking or collision during lifting;

[0046] Durability and safety:

[0047] The hammer head body 1 and the lifting lug 2 are made of high manganese steel material, with high wear resistance and impact resistance, capable of maintaining good performance in long-term high-strength working environment, significantly improving the service life and working efficiency of the hammer head;

[0048] The bending part of the L-shaped connecting rod 6 is attached to the top of the hammer head body 1, not only increasing the stability of the connection, but also reducing the risk of cracking caused by stress concentration;

[0049] The setting of the wear-resistant block 4 and the wear-resistant ring 5, and their firm connection with the hammer head body 1 and the mounting hole 3, together constitute a multiple protection mechanism for the hammer head, effectively improving the durability and safety of the hammer head.

[0050] The above is only an embodiment of the present utility model, and does not limit the patent range of the present utility model, any equivalent structure or equivalent process conversion using the contents of the present utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present utility model.

Claims

1. A limestone crusher hammer with an ear, characterized in that, Include: Hammer head body (1), the top end of hammer head body (1) is fixedly connected with a lifting lug (2) for hoisting, and one end of hammer head body (1) is provided with a mounting hole (3); Wear-resistant block (4), the two ends of hammer head body (1) are fixedly connected with wear-resistant block (4) symmetrically, the bottom end of wear-resistant block (4) is fixedly connected with a reinforcing rib (8); Wear-resistant ring (5), wear-resistant ring (5) is symmetrically installed in the inside of mounting hole (3), one side of wear-resistant ring (5) is fixedly connected with L-shaped connecting rod (6) symmetrically, and one end of two groups of L-shaped connecting rod (6) is provided with a through hole (7).

2. The limestone crusher hammer with a lug according to claim 1, characterized in that Two corresponding through holes (7) are internally provided with bolts (10).

3. The limestone crusher hammer with a lug according to claim 1, characterized in that, Wear-resistant ring (5) is in interference fit with mounting hole (3).

4. The limestone crusher hammer with a lug according to claim 1, characterized in that, The inside of lifting lug (2) is provided with a hoisting hole (9).

5. The limestone crusher hammer with a lug according to claim 1, characterized in that, Lifting lug (2) and hammer head body (1) are in one-piece forming mode.

6. The limestone crusher hammer with a lug according to claim 1, characterized in that, The material of lifting lug (2) and hammer head body (1) is high manganese steel.

7. The limestone crusher hammer with a lug according to claim 1, characterized in that, The bending part of L-shaped connecting rod (6) is attached to the top of hammer head body (1).

Images