An electro-hydraulic hammer with a hammer head convenient to replace
By introducing a drive mechanism consisting of a motor, threaded rod, and clamping components into the electro-hydraulic hammer, the problem of cumbersome hammer head replacement in traditional electro-hydraulic hammers is solved, enabling rapid replacement and convenient operation, and improving equipment maintenance efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUANXING SPECIAL STEEL CO LTD
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-21
AI Technical Summary
The replacement process for existing electro-hydraulic hammer heads is cumbersome, requiring the removal of multiple bolts one by one, which affects equipment maintenance efficiency and ease of operation, and is prone to damaging components.
The drive mechanism, consisting of a motor, threaded rod, and clamping assembly, enables rapid clamping and release of the hammerhead, simplifying the replacement process.
This improved the efficiency and ease of hammer replacement, ensuring stable operation and efficient maintenance of the equipment.
Smart Images

Figure CN224525909U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of mechanical engineering technology, and specifically relates to an electro-hydraulic hammer with an easy-to-replace hammerhead. Background Technology
[0002] Electro-hydraulic hammers, as commonly used forging equipment, are widely used in metallurgy, machinery manufacturing, and other fields. In practical use, the hammerheads need to be replaced periodically due to long-term impact and wear. However, the hammerhead replacement process in existing designs is quite complex, usually requiring external tools for disassembly. This is cumbersome, inefficient, and demands a high level of technical skill from operators, affecting the equipment's maintenance efficiency and ease of use.
[0003] In existing technologies, traditional electro-hydraulic hammers typically require complete disassembly when replacing the hammer head. This involves removing multiple fixing bolts connecting the hammer head to the hydraulic rod one by one to complete the hammer head replacement. This method is cumbersome and time-consuming. During disassembly, uneven force or improper operation can easily damage the hammer head or connecting parts, affecting the normal operation of the equipment and reducing maintenance efficiency. Utility Model Content
[0004] The purpose of this invention is to provide an electro-hydraulic hammer with an easy-to-replace hammerhead, thereby solving the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An electro-hydraulic hammer with an easy-to-replace hammerhead, including
[0007] The hydraulic press body includes a hydraulic rod and an electro-hydraulic hammer disposed at the output end of the hydraulic rod;
[0008] The drive mechanism includes a fixed block fixedly connected to the output end of the hydraulic rod, a motor adapted to be installed in the inner cavity of the fixed block, a threaded rod fixedly connected to the output end of the motor via a coupling, and a clamping assembly for replacing the electro-hydraulic hammer.
[0009] The clamping assembly includes an internal threaded block that is threaded to the threaded rod, a limiting groove formed on the outer surface of the fixing block and used in conjunction with the internal threaded block, an arc-shaped clamping plate fixedly installed at the end of the internal threaded block, and a fixing member fixedly connected to the electro-hydraulic hammer.
[0010] As a preferred embodiment of this utility model, the fixing member includes a fixing plate fixedly connected to the electro-hydraulic hammer, and a guide groove formed on the outer surface of the fixing plate and slidingly engaged with the internal threaded block.
[0011] In a preferred embodiment of this utility model, the hydraulic rod passes through the main body of the hydraulic press and is fixedly connected to the fixing block, and the hydraulic rod slides in contact with the main body of the hydraulic press at the point where they pass through.
[0012] In a preferred embodiment of this utility model, two sets of fixing blocks are symmetrically arranged, and the surfaces of the two sets of fixing blocks are in contact.
[0013] As a preferred embodiment of this utility model, the limiting groove is provided with a snap-fit structure, and the outer surface of the internal thread block slides in contact with the inner surface of the limiting groove.
[0014] In a preferred embodiment of this utility model, the arc-shaped clamping plate is in contact with the surface of the fixed plate, and the outer surface of the internal threaded block is in sliding contact with the inner surface of the guide groove.
[0015] In a preferred embodiment of this utility model, the fixed plate is connected to the electro-hydraulic hammer by bolts, and the bolts are evenly distributed along the circumference of the fixed plate.
[0016] In a preferred embodiment of this utility model, the internal threaded block and the arc-shaped clamping plate are an integral structure, and the inner arc surface of the arc-shaped clamping plate is in contact with the outer diameter of the fixed plate.
[0017] Compared with the prior art, the beneficial effects of this utility model are: by setting a drive mechanism consisting of a motor, a threaded rod and a clamping assembly, the electro-hydraulic hammer can be quickly clamped and released, avoiding the tedious operation of disassembling multiple bolts one by one in the traditional replacement method, improving the efficiency and convenience of hammer replacement, improving the work efficiency of equipment maintenance, and ensuring the stable operation of the equipment. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the overall structure of the drive mechanism of this utility model;
[0021] Figure 3 This is a schematic diagram of the electro-hydraulic hammer separation structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the structure of the fastener of this utility model;
[0023] Figure 5 This is a schematic diagram of the internal threaded block connection of this utility model;
[0024] Figure 6 This is a schematic diagram of the internal structure of the fixing block of this utility model.
[0025] In the diagram: 100, hydraulic press body; 101, hydraulic rod; 102, electro-hydraulic hammer; 200, drive mechanism; 201, fixing block; 202, motor; 203, threaded rod; 204, clamping assembly; 204a, internal threaded block; 204b, limiting groove; 204c, arc-shaped clamping plate; 204d, fixing component; 204d-1, fixing plate; 204d-2, guide groove. Detailed Implementation
[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.
[0029] Example
[0030] Reference Figures 1-6 This is an embodiment of the present invention, which provides an electro-hydraulic hammer with an easily replaceable hammerhead, comprising:
[0031] The hydraulic press body 100 includes a hydraulic rod 101 and an electro-hydraulic hammer 102 disposed at the output end of the hydraulic rod 101;
[0032] The drive mechanism 200 includes a fixed block 201 fixedly connected to the output end of the hydraulic rod 101, a motor 202 adapted to be installed in the inner cavity of the fixed block 201, a threaded rod 203 fixedly connected to the output end of the motor 202 via a coupling, and a clamping assembly 204 for replacing the electro-hydraulic hammer 102.
[0033] The clamping assembly 204 includes an internal threaded block 204a that is threaded to the threaded rod 203, a limiting groove 204b that is formed on the outer surface of the fixing block 201 and is used in conjunction with the internal threaded block 204a, an arc-shaped clamping plate 204c that is fixedly installed at the end of the internal threaded block 204a, and a fixing member 204d that is fixedly connected to the electro-hydraulic hammer 102.
[0034] Specifically, the fastener 204d includes a fixed plate 204d-1 fixedly connected to the electro-hydraulic hammer 102, and a guide groove 204d-2 formed on the outer surface of the fixed plate 204d-1 and slidingly engaged with the internal threaded block 204a.
[0035] When the electro-hydraulic hammer 102 needs to be replaced or disassembled, the motor 202 is started. The motor 202 drives the threaded rod 203 to rotate through the coupling. During the rotation of the threaded rod 203, the internal threaded block 204a connected to it moves along the axial direction of the threaded rod 203 and drives the arc-shaped clamping plate 204c to move synchronously, so that the arc-shaped clamping plate 204c is released from the contact state with the outer diameter of the fixed plate 204d-1, thereby releasing the electro-hydraulic hammer 102.
[0036] Furthermore, the hydraulic rod 101 penetrates the hydraulic press body 100 and is fixedly connected to the fixing block 201, with the hydraulic rod 101 slidingly engaging with the hydraulic press body 100 at the penetration point.
[0037] Furthermore, two sets of fixing blocks 201 are symmetrically arranged, and the surfaces of the two sets of fixing blocks 201 are in contact.
[0038] Furthermore, the limiting groove 204b has a snap-fit structure, and the outer surface of the internal thread block 204a slides in contact with the inner surface of the limiting groove 204b.
[0039] It should be noted that the arc-shaped clamp 204c is in contact with the surface of the fixed plate 204d-1, and the outer surface of the internal thread block 204a is in sliding contact with the inner surface of the guide groove 204d-2.
[0040] Preferably, the fixed plate 204d-1 is connected to the electro-hydraulic hammer 102 by bolts, and the bolts are evenly distributed along the circumference of the fixed plate 204d-1.
[0041] The fixed plate 204d-1 is detachably connected to the electro-hydraulic hammer 102 by bolts, and the bolts are evenly distributed along the circumference of the fixed plate 204d-1, so that the clamping force is more evenly distributed between the fixed plate 204d-1 and the electro-hydraulic hammer 102, thereby improving the stability and load-bearing capacity of the connection.
[0042] It should be noted that the internal thread block 204a and the arc-shaped clamping plate 204c are an integral structure, and the inner arc surface of the arc-shaped clamping plate 204c fits the outer diameter of the fixed plate 204d-1.
[0043] When the electro-hydraulic hammer 102 needs to be replaced or disassembled during use, the motor 202 in the drive mechanism 200 is started first. The motor 202 drives the threaded rod 203 to rotate through the coupling. During the rotation of the threaded rod 203, the internal threaded block 204a, which is threaded to it, moves axially along the threaded rod 203 and drives the arc-shaped clamping plate 204c to move synchronously. Since the inner arc surface of the arc-shaped clamping plate 204c fits against the outer diameter of the fixed plate 204d-1, the clamping assembly 204 gradually releases the clamping state of the fixed plate 204d-1, thereby releasing the electro-hydraulic hammer 102. The fixing component 204d includes the fixed plate 204d-1, which is fixedly connected to the electro-hydraulic hammer 102. 4d-1, and guide groove 204d-2 opened on the outer surface of fixed plate 204d-1, the outer surface of internal thread block 204a slides with the inner surface of guide groove 204d-2 to ensure that the clamping assembly runs smoothly and guides accurately during clamping and releasing. Furthermore, fixed plate 204d-1 is detachably connected to electro-hydraulic hammer 102 by bolts, and the bolts are evenly distributed along the circumference of fixed plate 204d-1, so that the clamping force is more evenly distributed between fixed plate 204d-1 and electro-hydraulic hammer 102, improving the stability and load-bearing capacity of the connection, while facilitating installation and disassembly, improving the efficiency and ease of operation of replacing electro-hydraulic hammer 102.
[0044] In summary, by setting up a drive mechanism consisting of a motor 202, a threaded rod 203, and a clamping assembly 204, the electro-hydraulic hammer 102 can be quickly clamped and released, avoiding the tedious operation of disassembling multiple bolts one by one in the traditional replacement method. This improves the efficiency and convenience of hammer replacement, enhances the work efficiency of equipment maintenance, and ensures the stable operation of the equipment.
[0045] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0046] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0047] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0048] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. An electro-hydraulic hammer with an easily replaceable hammerhead, characterized in that: include, The hydraulic press body (100) includes a hydraulic rod (101) and an electro-hydraulic hammer (102) disposed at the output end of the hydraulic rod (101); The drive mechanism (200) includes a fixed block (201) fixedly connected to the output end of the hydraulic rod (101), a motor (202) adapted to be installed in the inner cavity of the fixed block (201), a threaded rod (203) fixedly connected to the output end of the motor (202) via a coupling, and a clamping assembly (204) for replacing the electro-hydraulic hammer (102); The clamping assembly (204) includes an internal threaded block (204a) threadedly connected to the threaded rod (203), a limiting groove (204b) formed on the outer surface of the fixing block (201) and used in conjunction with the internal threaded block (204a), an arc-shaped clamping plate (204c) fixedly installed at the end of the internal threaded block (204a), and a fixing member (204d) fixedly connected to the electro-hydraulic hammer (102).
2. The electro-hydraulic hammer with an easily replaceable hammerhead according to claim 1, characterized in that: The fixing member (204d) includes a fixing plate (204d-1) fixedly connected to the electro-hydraulic hammer (102), and a guide groove (204d-2) formed on the outer surface of the fixing plate (204d-1) and slidingly engaged with the internal threaded block (204a).
3. The electro-hydraulic hammer with an easily replaceable hammerhead according to claim 2, characterized in that: The hydraulic rod (101) passes through the hydraulic press body (100) and is fixedly connected to the fixing block (201). The hydraulic rod (101) slides through the hydraulic press body (100).
4. An electro-hydraulic hammer with an easily replaceable hammerhead according to claim 3, characterized in that: The fixing blocks (201) are arranged in two symmetrical groups, and the surfaces of the two groups of fixing blocks (201) are attached to each other.
5. An electro-hydraulic hammer with an easily replaceable hammerhead according to claim 4, characterized in that: The limiting groove (204b) has a snap-fit structure, and the outer surface of the internal thread block (204a) slides in contact with the inner surface of the limiting groove (204b).
6. An electro-hydraulic hammer with an easily replaceable hammerhead according to claim 5, characterized in that: The arc-shaped clamp (204c) is in contact with the surface of the fixed plate (204d-1), and the outer surface of the internal thread block (204a) is in sliding contact with the inner surface of the guide groove (204d-2).
7. An electro-hydraulic hammer with an easily replaceable hammerhead according to claim 6, characterized in that: The fixed disk (204d-1) is connected to the electro-hydraulic hammer (102) by bolts, and the bolts are evenly distributed along the circumference of the fixed disk (204d-1).
8. An electro-hydraulic hammer with an easily replaceable hammerhead according to claim 7, characterized in that: The internal threaded block (204a) and the arc-shaped clamping plate (204c) are an integral structure, and the inner arc surface of the arc-shaped clamping plate (204c) fits against the outer diameter of the fixed plate (204d-1).