Hydraulic impact hammer assembly

By designing impact hammer assembly with bumps and lubrication devices in hydraulic impact hammers, joint bearing wear and installation problems are solved, achieving longer service life and higher working efficiency.

CN222513915UActive Publication Date: 2025-02-21温州永安重工科技有限公司
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Patent Information

Application Number
CN202420484304.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-02-21
Estimated Expiration
2034-03-13

AI Technical Summary

Technical Problem

The joint bearings of existing hydraulic impact hammers are prone to wear during long-term use, resulting in a reduced service life. At the same time, the installation steps are cumbersome and delay work progress.

Method used

A hydraulic impact hammer assembly is designed, including an impact hammer, an impact head, a bump and a lubrication device. The bumps drive the lubrication device to move, and oil is added to the joint bearing to achieve lubrication; at the same time, the installation and disassembly of joint bearings are simplified by the installation device. process.

Benefits of technology

It effectively reduces wear of joint bearings, extends service life, simplifies the installation process, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of knuckle bearings, and discloses a hydraulic impact hammer assembly which comprises an impact hammer, an impact head used for impact is arranged at the impact end of the impact hammer, a protruding block is arranged on the surface of the impact head, and a lubricating device is arranged in the impact hammer. A knuckle bearing is fixedly mounted on one side of the impact hammer through a mounting device, and the lubricating device comprises a limiting plate fixedly mounted in the impact hammer. According to the novel knuckle bearing of the hydraulic impact hammer, through the arrangement of the impact hammer, the impact head, the convex block and the lubricating device, in the use process of personnel, the impact head in the impact hammer moves up and down in a reciprocating mode, when the impact head moves in a reciprocating mode, the lubricating device is driven to move through the convex block, and the lubricating device injects oil into the knuckle bearing; therefore, the purpose of lubricating the knuckle bearing is achieved, abrasion of the knuckle bearing is reduced, and the service life of the knuckle bearing is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of spherical bearings, in particular to a hydraulic impact hammer component. Background Art

[0002] Hydraulic impact hammer is a kind of engineering machinery equipment, which is usually used for breaking and demolishing rocks or concrete in construction and demolition projects. It generates a strong impact force through the high-pressure liquid power provided by the hydraulic system, thereby achieving the effect of breaking and demolishing. Spherical bearings can often be seen on hydraulic impact hammers. Spherical bearings are used to connect the impactor (copper head or drill bit) and the main part of the hydraulic impact hammer, and play an important role in ensuring the normal operation of the equipment, improving performance and extending life.

[0003] However, the new spherical bearings of the existing hydraulic impact hammers have the following disadvantages:

[0004] The spherical bearing will be worn out during long-term operation, which will reduce the service life of the spherical bearing.

[0005] When installing spherical bearings, the installation steps are rather complicated, which delays the work progress.

[0006] The technical problem solved by the utility model is to provide a hydraulic impact hammer assembly which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problems of severe wear of spherical bearings and complicated installation steps of spherical bearings mentioned in the above-mentioned background technology. Summary of the invention

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hydraulic impact hammer assembly, including an impact hammer, the impact end of the impact hammer is provided with an impact head for impact, the surface of the impact head is provided with a bump, the interior of the impact hammer is provided with a lubrication device, and a joint bearing is fixedly installed on one side of the impact hammer through a mounting device.

[0008] Optionally, the lubrication device includes a limit plate fixedly installed inside the impact hammer, an air injection cylinder is provided inside the limit plate, a push rod is slidably connected inside the air injection cylinder, springs are fixedly installed on both sides of the push rod, a sliding ball is fixedly installed on one end of the push rod, an oil storage frame is fixedly installed on the top of the limit plate, and an oil filling pipe is provided on one side of the oil storage frame.

[0009] Optionally, the mounting device includes mounting plates threadedly connected to both sides of the impact hammer via connecting bolts, a guide rod is provided at one end of the mounting plate, and a joint bearing is provided at one end of the guide rod.

[0010] Optionally, guide grooves are provided on the surfaces of the guide rod and the mounting plate, the size of the guide grooves matches the size of the oil filling pipe, and the oil filling pipe is fixedly installed inside the guide grooves.

[0011] Optionally, grooves are provided on both sides of the surface of the limiting plate, the size of the grooves matches the size of the spring, and the spring is fixedly installed inside the grooves.

[0012] Optionally, the surface of the sliding ball and the bump on the surface of the impact head slide against each other, and the bump is in the shape of two cones, and the ends with larger diameters of the two cones are fixed.

[0013] The utility model provides a hydraulic impact hammer assembly, which has the following beneficial effects:

[0014] 1. The new joint bearing of the hydraulic impact hammer, through the arrangement of the impact hammer, the impact head, the bump and the lubricating device, during the use of personnel, the impact head in the impact hammer will move up and down repeatedly. When the impact head moves repeatedly, the lubricating device will be driven to move through the bump, and the lubricating device will fill the joint bearing with oil, thereby achieving the purpose of lubricating the joint bearing, reducing the wear of the joint bearing and increasing the service life of the joint bearing.

[0015] 2. The new joint bearing of the hydraulic impact hammer is connected to the guide rod through the installation device and the setting of the joint bearing. After the connection, the mounting plate is fixedly installed on both sides of the impact hammer using the connecting bolt, and the joint bearing is then fixedly installed, thereby achieving the purpose of facilitating the installation and removal of the joint bearing by personnel, and different models of impact hammers can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the lubrication device of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the installation device of the utility model.

[0020] In the figure: 1. impact hammer; 2. impact head; 3. bump; 4. lubrication device; 401. limit plate; 402. air injection cylinder; 403. push rod; 404. spring; 405. sliding ball; 406. oil storage frame; 407. oil filling pipe; 5. mounting device; 501. connecting bolt; 502. mounting plate; 503. guide rod; 6. spherical bearing. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a hydraulic impact hammer assembly, including an impact hammer 1, an impact head 2 for impact is provided at the impact end of the impact hammer 1, a bump 3 is provided on the surface of the impact head 2, the surface of the sliding ball 405 slides with the bump 3 on the surface of the impact head 2, the bump 3 is in the shape of two cones, the ends of the two cones with larger diameters are fixed, a lubrication device 4 is provided inside the impact hammer 1, and a joint bearing 6 is fixedly installed on one side of the impact hammer 1 through a mounting device 5;

[0023] By setting the protrusion 3 , when the impact hammer 1 is working, the protrusion 3 will move up and down accordingly, and the protrusion 3 will drive the sliding ball 405 to move, thereby providing power to the lubricating device 4 .

[0024] The surfaces of the guide rod 503 and the mounting plate 502 are both provided with guide grooves, the size of which matches the size of the oil filling pipe 407 , and the oil filling pipe 407 is fixedly installed inside the guide groove. Example

[0025] The lubricating device 4 includes a limit plate 401 fixedly installed inside the impact hammer 1, an air injection cylinder 402 is arranged inside the limit plate 401, a push rod 403 is slidably connected inside the air injection cylinder 402, springs 404 are fixedly installed on both sides of the push rod 403, a sliding ball 405 is fixedly installed on one end of the push rod 403, an oil storage frame 406 is fixedly installed on the top of the limit plate 401, and an oil injection pipe 407 is arranged on one side of the oil storage frame 406. When the impact hammer 1 is working, it will drive the bump 3 on the impact head 2 to move up and down, and when the bump 3 moves When the push rod 403 is pushed, the springs 404 on both sides of the push rod 403 will rebound through the limit plate 401. After the gas enters the oil storage frame 406, the lubricating oil in the oil storage frame 406 is squeezed into the joint bearing 6 through the oil injection pipe 407, so as to lubricate the joint bearing 6 and reduce the wear of the joint bearing 6. Example

[0026] The mounting device 5 includes mounting plates 502 which are threadedly connected to both sides of the impact hammer 1 through connecting bolts 501, a guide rod 503 is provided at one end of the mounting plate 502, and a joint bearing 6 is provided at one end of the guide rod 503. When in use, the joint bearing 6 and the guide rod 503 are connected. After the connection, the mounting plates 502 are fixedly installed on both sides of the impact hammer 1 using the connecting bolts 501, and the joint bearing 6 is then fixedly installed. This plays a role in installing and disassembling the joint bearing 6.

[0027] In the utility model, the working steps of the device are as follows:

[0028] First, the joint bearing 6 and the guide rod 503 are connected. After the connection, the connecting bolt 501 is used to fix the mounting plate 502 on both sides of the impact hammer 1, and then the joint bearing 6 is fixedly installed. Then, when the impact hammer 1 is working, it will drive the bump 3 on the impact head 2 to move up and down. When the bump 3 moves, it drives the sliding ball 405 to move. The sliding ball 405 drives the push rod 403 to slide inside the gas injection cylinder 402, and the inside of the oil storage frame 406 is injected with gas through the gas injection cylinder 402. When the push rod 403 is pushed, the springs 404 on both sides of the push rod 403 will rebound through the limit plate 401. After the gas enters the oil storage frame 406, the lubricating oil inside the oil storage frame 406 is squeezed into the joint bearing 6 through the oil injection pipe 407 to lubricate the joint bearing 6.

[0029] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0030] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic impact hammer assembly, comprising an impact hammer (1), characterized in that: The impact end of the impact hammer (1) is provided with an impact head (2) for impact, the surface of the impact head (2) is provided with a bump (3), the interior of the impact hammer (1) is provided with a lubricating device (4), and one side of the impact hammer (1) is fixedly mounted with a spherical bearing (6) via a mounting device (5); The lubricating device (4) comprises a limit plate (401) fixedly mounted inside the impact hammer (1), an air injection cylinder (402) being arranged inside the limit plate (401), a push rod (403) being slidably connected inside the air injection cylinder (402), springs (404) being fixedly mounted on both sides of the push rod (403), a sliding ball (405) being fixedly mounted on one end of the push rod (403), an oil storage frame (406) being fixedly mounted on the top of the limit plate (401), and an oil injection pipe (407) being arranged on one side of the oil storage frame (406); The mounting device (5) comprises mounting plates (502) threadedly connected to both sides of the impact hammer (1) via connecting bolts (501), a guide rod (503) being provided at one end of the mounting plate (502), and a joint bearing (6) being provided at one end of the guide rod (503).

2. A hydraulic impact hammer assembly according to claim 1, characterized in that: The surfaces of the guide rod (503) and the mounting plate (502) are both provided with guide grooves, the size of which matches the size of the oil injection pipe (407), and the oil injection pipe (407) is fixedly mounted inside the guide groove.

3. A hydraulic impact hammer assembly according to claim 1, characterized in that: Grooves are provided on both sides of the surface of the limiting plate (401); the size of the grooves matches the size of the spring (404); and the spring (404) is fixedly installed inside the grooves.

4. A hydraulic impact hammer assembly according to claim 1, characterized in that: The surface of the sliding ball (405) slides with the bump (3) on the surface of the impact head (2); the bump (3) is in the shape of two cones, and the ends of the two cones with larger diameters are fixed.