360-degree screw-in oil return flange joint device of hydraulic impact hammer

By designing a 360° rotatable oil return flange joint device for hydraulic impact hammer, the vulnerability of the inlet and return oil pipe in complex construction environments is solved, the long life and efficient work of the oil pipe are achieved, and the stable performance of the breaker is ensured.

CN223153052UActive Publication Date: 2025-07-25JIANGSU JIURUN MASCH IND TECH CO LTD
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Patent Information

Application Number
CN202422051074.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-07-25
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

In complex construction environments, the inlet and return oil pipeline of the hydraulic breaker is susceptible to wear, twisting force, shock force and pulling force, becoming a consumable piece, resulting in short service life and frequent maintenance.

Method used

A hydraulic impact hammer 360° rotatable oil return flange joint device is designed. Through the optimized installation of the main body mechanism, the rotating bodies on the left and right sides are fixed to the rear cylinder block through the hexagon bolts. The oil inlet and return pipe is connected to the excavator and guided to the locking washer of the broken hammer shell through the oil pipe guide steel pipe, and is fixed to the rotating joint cover plate of the outer shell through the hexagon bolts, so as to realize the working of the broken hammer at different angles and directions, preventing excessive twisting of the oil pipe and bearing stress.

Benefits of technology

It extends the service life of the oil pipe, reduces maintenance costs, improves working efficiency, reduces component wear, ensures smooth flow of hydraulic oil and the normal operation of the breaker.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223153052U_ABST
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Abstract

The utility model relates to the technical field of breaking hammers, and discloses a hydraulic impact hammer angle screw-in oil return flange joint device which comprises a main body mechanism, the main body mechanism comprises a rear cylinder body, a first fixing bolt and a first rotating body, the first fixing bolt is fixedly installed on the left side of the rear cylinder body, and the first rotating body is fixedly installed on the right side of the rear cylinder body. And the first rotating body is fixedly mounted on the left side of the first fixing bolt. According to the 360-degree screw-in and oil-return flange joint device of the hydraulic impact hammer, a main body mechanism is optimized and changed to be that a first rotating body and a second rotating body on the left side and the right side are fixed to a rear cylinder body through 12 hexagon socket screws, and an oil inlet and return pipe connected with an excavator is guided to a breaking hammer shell locking gasket through an oil pipe guiding steel pipe; the breaking hammer is fixed on the shell rotating joint cover plate through the inside hexagonal bolts, and finally connection between the breaking hammer and the excavator is completed, so that the breaking hammer can work at different angles and in different directions, the breaking hammer is suitable for complex working scenes, and operation limitation is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of breaker hammers, in particular to a 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer. Background Technique

[0002] The power source of a hydraulic breaker hammer is the pressure oil provided by the pump station of an excavator or a loader. It is widely used in the field of construction engineering, often used for demolishing old buildings, breaking concrete roads and foundations to prepare for new construction projects. In mining, it can break ores and rocks to assist mining operations and improve mining efficiency. In road construction, it is used to break hard rocks and uneven road surfaces to create conditions for laying new roads. In municipal engineering, it can handle underground obstacles, such as breaking underground boulders or concrete structures. In emergency rescue work, it can quickly break collapsed buildings and obstacles to open up channels for rescue operations. In tunnel boring, it can assist in cutting hard rock layers to speed up the construction progress. In water conservancy projects, it can break the hard geological structures encountered in dam and river embankment construction.

[0003] Therefore, in the face of such a complex construction environment, the oil inlet and return pipelines become vulnerable parts due to wear, twisting force, vibration force, pulling force, etc. Then, as the link of the power source of the breaker hammer, the oil inlet and return pipelines are very important. To solve the above problems, a rotary joint breaker hammer device for extending the service life of hydraulic oil pipes is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer to solve the problem that in the face of a complex construction environment, the oil inlet and return pipelines become vulnerable parts due to wear, twisting force, vibration force, pulling force, etc. in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer, including a main body mechanism. The main body mechanism includes a rear cylinder block, a first fixing bolt and a first rotating body. The first fixing bolt is fixedly installed on the left side of the rear cylinder block, and the first rotating body is fixedly installed on the left side of the first fixing bolt. The main body mechanism further includes a first rotator, a washer one, a plug one, a second fixing bolt, a second rotating body, a second rotator, a washer two, a plug two and a limit bolt. The first rotator is movably installed on the outside of the first rotating body.

[0006] Preferably, the washer one is fixedly installed on the outside of the first rotator, and the plug one is movably installed on the left side of the first rotator. It is optimized and changed that the first rotating body and the second rotating body on the left and right sides are fixed on the rear cylinder block by 12 hexagon socket head cap screws, and the connecting excavator's oil inlet and return pipelines are guided to the breaker hammer housing locking washer through the oil pipe guiding steel pipe.

[0007] Preferably, the first plug is threadedly connected to the first rotator, and the second fixing bolt is fixedly installed on the right side of the rear cylinder block and fixed to the housing swivel joint cover plate by an internal hexagon bolt, finally completing the connection between the breaker and the excavator, enabling the breaker to work at different angles and directions, adapting to complex working scenarios, and reducing operation limitations.

[0008] Preferably, the second rotator is fixedly installed on the right side of the second fixing bolt, and the second rotator is movably installed on the outside of the second rotator, effectively preventing excessive twisting of the connecting oil pipe and bearing excessive stress, extending the service life of the oil pipe, and reducing maintenance costs.

[0009] Preferably, the second washer is fixedly installed on the outside of the second rotator, and the second plug is movably installed on the right side of the second rotator. The operator does not need to frequently adjust the position of the equipment, saving time and energy, thereby improving the overall work efficiency.

[0010] Preferably, the second plug is threadedly connected to the second rotator, and the limit bolt is fixedly installed at the front end of the rear cylinder block, evenly distributing the friction force in the rotational movement, reducing component wear, extending the service life of the breaker and its related components, ensuring the smooth flow of hydraulic oil, maintaining stable pressure and flow rate, and ensuring the normal operation and strong impact force of the breaker.

[0011] Preferably, this patent is optimized and changed so that the first rotators and the second rotators on the left and right sides are fixed to the rear cylinder block by 12 internal hexagon bolts. The connecting inlet and return oil pipes of the excavator are guided to the breaker housing locking washer through the oil pipe guiding steel pipe and fixed to the housing swivel joint cover plate by internal hexagon bolts, finally completing the connection between the breaker and the excavator.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. The 360° rotatable inlet and return oil flange joint device of the hydraulic impact hammer, through the installation of the main mechanism, is optimized and changed so that the first rotators and the second rotators on the left and right sides are fixed to the rear cylinder block by 12 internal hexagon bolts. The connecting inlet and return oil pipes of the excavator are guided to the breaker housing locking washer through the oil pipe guiding steel pipe and fixed to the housing swivel joint cover plate by internal hexagon bolts, finally completing the connection between the breaker and the excavator, enabling the breaker to work at different angles and directions, adapting to complex working scenarios, and reducing operation limitations;

[0014] 2. The 360° rotatable oil return flange joint device of the hydraulic impact hammer can effectively prevent the over-twisting of the connecting oil pipe and excessive stress, extend the service life of the oil pipe, reduce the maintenance cost, eliminate the need for operators to frequently adjust the position of the equipment, save time and effort, thereby improving the overall work efficiency, evenly distribute the friction force during the rotational movement, reduce the wear of components, extend the service life of the breaker and its related components, ensure the smooth flow of hydraulic oil, maintain stable pressure and flow rate, and guarantee the normal operation and powerful impact force of the breaker. Brief Description of the Drawings

[0015] Figure 1 is a schematic cross-sectional structure diagram of the present utility model;

[0016] Figure 2 is a schematic installation structure diagram of the present utility model;

[0017] Figure 3 is a schematic partial cross-sectional structure diagram of the present utility model;

[0018] Figure 4 is a schematic partial cross-sectional structure diagram of the present utility model.

[0019] In the figure: 1. Main body mechanism; 101. Rear cylinder block; 102. First fixing bolt; 103. First rotating body; 104. First rotator; 105. First washer; 106. First plug; 107. Second fixing bolt; 108. Second rotating body; 109. Second rotator; 110. Second washer; 111. Second plug; 112. Limit bolt. Detailed Description of the Preferred Embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 - 4 , the present utility model provides a technical solution: a 360° rotatable oil return flange joint device of a hydraulic impact hammer, including a main body mechanism 1, characterized in that: the main body mechanism 1 includes a rear cylinder block 101, a first fixing bolt 102 and a first rotating body 103, the first fixing bolt 102 is fixedly installed on the left side of the rear cylinder block 101, and the first rotating body 103 is fixedly installed on the left side of the first fixing bolt 102;

[0022] The main body mechanism 1 further includes a first rotator 104, a first washer 105, a first plug 106, a second fixing bolt 107, a second rotator 108, a second rotator 109, a second washer 110, a second plug 111 and a limit bolt 112. The first rotator 104 is movably installed on the outer side of the first rotator 103. The first washer 105 is fixedly installed on the outer side of the first rotator 104. The first plug 106 is movably installed on the left side of the first rotator 104. The first plug 106 is threadedly connected to the first rotator 104. The second fixing bolt 107 is fixedly installed on the right side of the rear cylinder block 101. The second rotator 108 is fixedly installed on the right side of the second fixing bolt 107. The second rotator 109 is movably installed on the outer side of the second rotator 108. The second washer 110 is fixedly installed on the outer side of the second rotator 109. The second plug 111 is movably installed on the right side of the second rotator 109. The second plug 111 is threadedly connected to the second rotator 109. The limit bolt 112 is fixedly installed on the front end of the rear cylinder block 101. In this patent, it is optimized and changed that the first rotator 103 and the second rotator 108 on the left and right sides are fixed to the rear cylinder block 101 by 12 hexagon socket head cap screws. The connecting inlet and return oil pipes of the excavator are guided to the locking washer of the breaker housing through the oil pipe guiding steel pipe and fixed to the cover plate of the housing rotary joint by hexagon socket head cap screws, and finally the connection between the breaker and the excavator is completed. When using the 360° rotatable inlet and return oil flange joint device of the hydraulic impact hammer, it is optimized and changed that the first rotator 103 and the second rotator 108 on the left and right sides are fixed to the rear cylinder block 101 by 12 hexagon socket head cap screws. The connecting inlet and return oil pipes of the excavator are guided to the locking washer of the breaker housing through the oil pipe guiding steel pipe and fixed to the cover plate of the housing rotary joint by hexagon socket head cap screws, and finally the connection between the breaker and the excavator is completed, enabling the breaker to work at different angles and directions, adapting to complex working scenarios, reducing operation restrictions, effectively preventing excessive twisting of the connecting oil pipes and bearing excessive stress, extending the service life of the oil pipes, reducing maintenance costs, eliminating the need for operators to frequently adjust the position of the equipment, saving time and effort, thus improving the overall work efficiency, evenly distributing the friction force in the rotary motion, reducing component wear, extending the service life of the breaker and its related components, ensuring the smooth flow of hydraulic oil, maintaining stable pressure and flow rate, and ensuring the normal operation and powerful impact force of the breaker.

[0023] Working principle: When using the 360° rotatable oil return flange joint device of the hydraulic breaker, it is optimized and changed so that the first rotating body 103 and the second rotating body 108 on the left and right sides are fixed on the rear cylinder block 101 by 12 hexagon socket head cap screws. The connecting inlet and return oil pipes of the excavator are guided to the lock washer of the breaker housing through the oil pipe guiding steel pipe and fixed on the housing swivel joint cover plate by hexagon socket head cap screws, finally completing the connection between the breaker and the excavator, enabling the breaker to work at different angles and directions, adapting to complex working scenarios, reducing operation restrictions, effectively preventing excessive twisting of the connecting oil pipes and bearing excessive stress, prolonging the service life of the oil pipes, reducing maintenance costs, eliminating the need for operators to frequently adjust the position of the equipment, saving time and effort, thus improving the overall working efficiency, evenly distributing the friction force in the rotational movement, reducing component wear, prolonging the service life of the breaker and its related components, ensuring the smooth flow of hydraulic oil, maintaining stable pressure and flow rate, and guaranteeing the normal operation and powerful impact force of the breaker.

[0024] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present utility model, rather than a limitation on the protection scope of the present utility model. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present utility model shall not depart from the essence and scope of the technical solution of the present utility model.

Claims

1. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer, comprising a main body mechanism (1), characterized in that: The main body mechanism (1) includes a rear cylinder block (101), a first fixing bolt (102), and a first rotating body (103). The first fixing bolt (102) is fixedly installed on the left side of the rear cylinder block (101), and the first rotating body (103) is fixedly installed on the left side of the first fixing bolt (102). The main body mechanism (1) further includes a first rotator (104), a first washer (105), a first plug (106), a second fixing bolt (107), a second rotating body (108), a second rotator (109), a second washer (110), a second plug (111), and a limit bolt (112). The first rotator (104) is movably installed on the outer side of the first rotating body (103).

2. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer according to claim 1, characterized in that: The first washer (105) is fixedly installed on the outer side of the first rotator (104), and the first plug (106) is movably installed on the left side of the first rotator (104).

3. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer according to claim 2, characterized in that: The first plug (106) is threadedly connected to the first rotator (104), and the second fixing bolt (107) is fixedly installed on the right side of the rear cylinder block (101).

4. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer according to claim 3, characterized in that: The second rotating body (108) is fixedly installed on the right side of the second fixing bolt (107), and the second rotator (109) is movably installed on the outer side of the second rotating body (108).

5. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer according to claim 4, characterized in that: The second washer (110) is fixedly installed on the outer side of the second rotator (109), and the second plug (111) is movably installed on the right side of the second rotator (109).

6. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer according to claim 5, characterized in that: The second plug (111) is threadedly connected to the second rotator (109), and the limit bolt (112) is fixedly installed on the front end of the rear cylinder block (101).

7. A 360° rotatable and retractable oil return flange joint device for a hydraulic impact hammer according to claim 6, characterized in that: This optimization change is that the first rotating body (103) and the second rotating body (108) on the left and right sides are fixed to the rear cylinder block (101) by 12 hexagon socket head cap screws. The connecting inlet and return oil pipes of the excavator are guided to the locking washer of the breaker housing through a tubing guide steel pipe and fixed to the housing swivel joint cover plate by hexagon socket head cap screws, finally completing the connection between the breaker and the excavator.