Wear-resistant hammerhead device for limestone crushing

By designing a wear-resistant hammerhead device, and utilizing the combination of a limit rod and a fastening nut, the problem of increased usage costs caused by hammerhead wear is solved, and the service life of the hammerhead is extended.

CN223915523UActive Publication Date: 2026-02-17HANGZHOU HANGGANG SANJIANG MINING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520339011.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-17
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing hammerhead devices are prone to wear and tear during use, leading to increased operating costs.

Method used

Design a wear-resistant hammer head device for limestone crushing, including a hammer handle, an alloy hammer body, a limiting rod, and a fastening nut. Through the cooperation of the limiting rod and the fastening nut, the alloy hammer body is allowed to adjust its position when worn to extend its service life.

Benefits of technology

This extends the lifespan of the hammerhead, reduces the frequency of replacement, and lowers operating costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223915523U_ABST
    Figure CN223915523U_ABST
Patent Text Reader

Abstract

The utility model discloses a wear-resistant hammerhead device for limestone crushing, which comprises a hammer handle, an alloy hammer body, a limit insertion rod and a fastening nut, the alloy hammer body is fixedly embedded at the front end of the hammer handle, the limit insertion rod is embedded in the alloy hammer body, the fastening nut is sleeved on the surface of the limit insertion rod and below the hammer body, and the limit insertion rod is fixedly embedded in the fastening nut. A semicircular groove is formed in the front surface of the hammer handle, inserting openings are formed in the upper surface and the lower surface of the hammer handle and close to the front end, and an inserting hole is formed in the middle of the upper surface of the alloy hammer body. According to the wear-resistant hammer head device for limestone crushing, when the hammer body is damaged, the fastening nut is detached, the limiting insertion rod is pulled out, then the alloy hammer body is rotated, so that the alloy hammer body located in the semicircular groove is partially adjusted to a working position, and then the limiting insertion rod and the fastening nut are installed back to original positions; therefore, the alloy hammer body can be continuously used, and the service life of the hammer head is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a hammer head device, especially relates to a limestone crushing wear -resisting hammer head device. BACKGROUND

[0002] Hammer head is one of hammer crusher core components, is arranged on the hammer shaft of the rotor of the crusher, and the hammer head directly strikes the material when the crusher is running at high speed, and finally breaks into suitable material granularity, and the crushing operation of limestone is crushed by the hammer head of the crusher.

[0003] However, the hammer head device at the present stage has some deficiencies, the surface of the hammer head will be worn out due to long-term use when the hammer head is used, in order to ensure the crushing effect of the hammer head, the hammer head needs to be replaced, but this will increase the use cost of the hammer head. UTILITY MODEL CONTENT

[0004] The utility model discloses a limestone crushing wear -resisting hammer head device can effectively solve the problem in the background art.

[0005] In order to achieve the above object, the technical scheme adopted by the utility model is:

[0006] A limestone crushing wear -resisting hammer head device, including hammer handle, alloy hammer body, limiting plug rod and fastening nut, the front end of the hammer handle is fixedly embedded with alloy hammer body, the inside of alloy hammer body is embedded with limiting plug rod, the surface of limiting plug rod and below the hammer body are equipped with fastening nut.

[0007] Further preferably, the front surface of the hammer handle is provided with a semicircular groove, and the upper surface and the lower surface of the hammer handle and close to the front end are provided with a socket.

[0008] Further preferably, the upper surface of the alloy hammer body and in the middle is provided with a socket, and the inside of the socket is longitudinally provided with a limiting groove on both sides of the surface.

[0009] Further preferably, the both sides of the surface of the limiting plug rod are fixedly installed with a limiting block, and the surface of the limiting plug rod and below the limiting block is provided with a thread.

[0010] Further preferably, the alloy hammer body is embedded in the semicircular groove, the alloy hammer body is circular, the limiting plug rod penetrates the socket and the socket, and the limiting block is embedded in the limiting groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model discloses a hammer handle, hammer body, limit plug rod and fastening nut mutual cooperation's mode is set up, when the hammer body appears the wear and tear, dismantles fastening nut and draws out limit plug rod, then rotates alloy hammer body, makes the alloy hammer body part in semicircular groove adjustment to the working position, then again installs limit plug rod and fastening nut and installs back to the original position, like this can continue to use alloy hammer body to prolong the service life of hammer head. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structural drawing of the utility model of limestone crushing wear -resisting hammer head device;

[0014] Figure 2 It is the hammer handle structural drawing of the utility model of limestone crushing wear -resisting hammer head device;

[0015] Figure 3 It is the hammer body structural drawing of the utility model of limestone crushing wear -resisting hammer head device;

[0016] Figure 4 It is the limit plug rod and fastening nut split schematic drawing of the utility model of limestone crushing wear -resisting hammer head device.

[0017] In the drawing: 1, hammer handle;101, semicircular groove;102, spigot;2, hammer body;201, insertion hole;202, limit slot;3, limit plug rod;301, limit block;302, screw thread;4, fastening nut. DETAILED DESCRIPTION

[0018] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0019] As Figures 1-4 The utility model discloses a limestone crushing wear -resisting hammer head device, including hammer handle 1, alloy hammer body 2, limit plug rod 3 and fastening nut 4, the front end fixed embedding of hammer handle 1 is equipped with alloy hammer body 2, the inside embedding of alloy hammer body 2 is equipped with limit plug rod 3, and the surface of limit plug rod 3 and below hammer body 2 are equipped with fastening nut 4.

[0020] Further, the front surface of hammer handle 1 is provided with semicircular groove 101, and the upper surface and the lower surface of hammer handle 1 are provided with spigot 102 close to the front end;Semicircular groove 101 can hide the part of alloy hammer body 2 that is not used, and when the exposed part of alloy hammer body 2 is damaged, the part of alloy hammer body 2 hidden in semicircular groove 101 can be adjusted to the use position.

[0021] Further, the upper surface of the alloy hammer body 2 is provided with a insertion hole 201 in the middle, and the inner side surface of the insertion hole 201 is longitudinally provided with a limiting groove 202.

[0022] Further, the both side surfaces of the limiting insertion rod 3 are fixedly provided with a limiting block 301, and the surface of the limiting insertion rod 3 and below the limiting block 301 is provided with a screw thread 302.

[0023] Further, the alloy hammer body 2 is embedded in the semicircular groove 101, the alloy hammer body 2 is circular, the limiting insertion rod 3 penetrates the insertion hole 102 and the insertion hole 201, and the limiting block 301 is embedded in the limiting groove 202; the cooperation of the limiting block 301 and the limiting groove 202 can limit the alloy hammer body 2, so that the alloy hammer body 2 is prevented from rotating.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant hammer head device for crushing limestone, characterized by: Including the hammer handle (1), alloy hammer body (2), limiting plug rod (3) and fastening nut (4), the front end of the hammer handle (1) is fixedly embedded with alloy hammer body (2), the inside of the alloy hammer body (2) is embedded with limiting plug rod (3), the surface of the limiting plug rod (3) and below the alloy hammer body (2) is sleeved with fastening nut (4).

2. A wear-resistant hammer head device for crushing limestone according to claim 1, characterized in that: The front surface of the hammer handle (1) is provided with a semicircular groove (101), and the upper surface and the lower surface of the hammer handle (1) and close to the front end are provided with a socket (102).

3. A wear-resistant hammer head device for crushing limestone according to claim 2, characterized in that: The upper surface of the alloy hammer body (2) and in the middle is provided with a insertion hole (201), and the inside of the insertion hole (201) is longitudinally provided with a limiting groove (202) on both sides of the surface.

4. A wear-resistant hammer head device for crushing limestone according to claim 3, characterized in that: The both sides of the surface of the limiting plug rod (3) are fixedly installed with a limiting block (301), and the surface of the limiting plug rod (3) and below the limiting block (301) is provided with a thread (302).

5. A wear-resistant hammer head device for crushing limestone according to claim 4, characterized in that: The alloy hammer body (2) is embedded in the semicircular groove (101), the alloy hammer body (2) is circular, the limiting plug rod (3) penetrates the socket (102) and the insertion hole (201), and the limiting block (301) is embedded in the limiting groove (202).