A hydraulic breaker anti-oil leakage sealing structure

By designing multiple rotary rods on the hydraulic breaker to limit the oil supply pipe and using the oil storage compartment to collect leaked hydraulic oil, the problem of oil leakage caused by vibration of the hydraulic breaker is solved, which improves sealing and reduces oil loss.

CN222745167UActive Publication Date: 2025-04-11TANK (SUZHOU) MASCH CO LTD
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Patent Information

Application Number
CN202421548280.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-04-11
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

During operation, the hydraulic breaker may leak oil at the connection between the high-pressure oil pipe and the breaker due to vibration.

Method used

A hydraulic breaker oil leakage sealing structure is designed, and the oil supply pipe is defined through multiple rotating rods to increase the stability of the connection between the oil supply pipe and the hammer body, and the hydraulic oil that may be leaked is collected through the oil storage compartment to prevent oil leakage from spreading.

Benefits of technology

It effectively avoids leakage of hydraulic oil due to vibration during the operation of the breaker, increases sealing, reduces the consumption of hydraulic oil, and concentrates on collecting leaked oil through the design of the oil storage compartment, reducing pollution and oil loss to the surrounding area.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222745167U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of breaker hammers, and specifically is an anti-leakage sealing structure for a hydraulic breaker hammer, comprising a breaker hammer body; an oil supply pipe is fixedly connected to the top of the breaker hammer body, and a limiting component is arranged on the top of the breaker hammer body; the utility model limits the oil supply pipe by a plurality of rotating rods, so that the oil supply pipe is stably connected to the breaker hammer body, and the hydraulic oil leakage from the connection due to the high-frequency and high-amplitude vibration of the breaker hammer body is avoided during the operation, and the sealing performance of the connection between the oil supply pipe and the breaker hammer body is increased, thereby reducing the consumption of hydraulic oil; the hydraulic oil that may leak is collected by an oil storage bin, and at this time, the vibrating oil storage bin is limited by a support rod and a buffer spring, the oil storage bin can effectively prevent the oil leakage from spreading, and provide a location for centralized storage and treatment of leaked oil, thereby reducing the pollution and oil loss to the surrounding area, and facilitating subsequent treatment and management.
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Description

Technical Field

[0001] The utility model relates to the field of breaking hammers, in particular to an oil leakage prevention sealing structure of a hydraulic breaking hammer. Background Art

[0002] The power source of the hydraulic breaker is the pressurized oil provided by the pump station of the excavator or loader. It can more effectively clean the floating stones and soil in the rock gaps when excavating the foundation of the building. The hydraulic breaker can be installed on the excavator loader and connected to the high-pressure oil pipe. At this time, the hydraulic breaker can start working.

[0003] At present, after the high-pressure oil pipe is connected to the hydraulic breaker to supply the hydraulic oil, during the operation of the hydraulic breaker, the connection between the high-pressure oil pipe and the hydraulic breaker is usually sealed by a seal. However, since the hydraulic breaker has a large vibration amplitude and a high frequency when working, oil leakage may occur at the connection between the high-pressure oil pipe and the hydraulic breaker. Therefore, a hydraulic breaker oil leakage prevention sealing structure is proposed to solve the above problem. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and avoid the problem of oil leakage when the hydraulic breaker is working, the utility model proposes an anti-oil leakage sealing structure for the hydraulic breaker.

[0005] The utility model solves the technical problem by adopting a technical solution: a hydraulic breaker hammer anti-leakage sealing structure, comprising a breaker hammer body; the top of the breaker hammer body is fixedly connected with an oil supply pipe, the top of the breaker hammer body is provided with a limiting component, and the surface of the limiting component is provided with an oil storage component;

[0006] The limiting component includes a hexagonal block fixedly installed on the top of the breaker body, an externally threaded tube is fixedly installed on the top of the hexagonal block, a spring rod is fixedly installed on the surface of the top of the externally threaded tube, a rotating rod is rotatably connected to the surface of the top of the externally threaded tube, a recess is provided on the side of the bottom of the rotating rod close to the externally threaded tube, an internally threaded sleeve is threadedly connected to the surface of the externally threaded tube, and a fixing ring is fixedly installed on the top of the internally threaded sleeve.

[0007] Preferably, the bottom end of the oil supply pipe is connected to the interior of the breaker body, and oil can be supplied to the interior of the breaker body through the oil supply pipe to control the operation of the breaker body. The oil supply pipe passes through the hexagonal block and the fixing ring.

[0008] Preferably, the spring rod and the recess are adapted to be snap-fitted, the height of the recess is greater than the height of the spring rod, and the spring rod is snap-fitted inside the recess to preliminarily limit the position of the rotating rod, thereby preventing the rotating rod from rotating to a side away from the oil supply pipe. During the rotation of the rotating rod, the spring rod may move slightly inside the recess.

[0009] Preferably, the width of the rotating rod gradually increases from bottom to top, and the fixing ring is slidably connected to the surface of the rotating rod. When the fixing ring moves upward, it pushes multiple rotating rods. At this time, the rotating rods are pushed toward the direction close to the oil supply pipe. The rotating rods and the oil supply pipe are adapted to contact each other, and multiple rotating rods limit the oil supply pipe.

[0010] Preferably, the oil storage assembly includes a support rod fixedly mounted on the surface of the hexagonal block, a horizontal plate fixedly mounted on the surface of the support rod, a buffer spring 1 fixedly mounted inside the horizontal plate, a sliding vertical rod slidably connected to the top of the horizontal plate, a buffer spring 2 fixedly mounted on the end of the top of the sliding vertical rod close to the oil supply pipe, a pressing block fixedly mounted on the end of the buffer spring 2 away from the sliding vertical rod, and an oil storage bin is provided on the surface of the hexagonal block.

[0011] Preferably, the bottom end of the oil storage bin is provided with a slot that is compatible with the top end of the support rod, and the bottom end of the oil storage bin is clamped to the top end of the support rod, so that the oil storage bin is placed more stably, and the surface of the oil storage bin is provided with a groove that is compatible with the pressing block.

[0012] Preferably, one end of the buffer spring away from the inner wall of the horizontal plate is fixedly mounted on the surface of the sliding vertical rod, and a notch is provided on the side of the top of the oil storage bin close to the oil supply pipe, and the edge of the notch at the top of the oil storage bin is bent downward. If hydraulic oil leaks from the connection between the oil supply pipe and the breaker body, the leaked hydraulic oil will flow to the inside of the oil storage bin at the gap between the oil supply pipe and the hexagonal block and be collected, and the downwardly bent part of the notch at the top of the oil storage bin prevents the lubricating oil collected inside from leaking out due to the vibration of the oil storage bin.

[0013] The utility model is beneficial in that:

[0014] The utility model limits the oil supply pipe by multiple rotating rods, so that the oil supply pipe is stably connected to the breaker body, avoiding the leakage of hydraulic oil from the connection due to high-frequency and high-amplitude vibration of the breaker body during the operation of the breaker body, increasing the sealing performance of the connection between the oil supply pipe and the breaker body, thereby reducing the consumption of hydraulic oil; the hydraulic oil that may leak is collected by the oil storage bin, and at this time, the vibrating oil storage bin is limited by the support rod and the buffer spring, the oil storage bin can effectively prevent the leakage from spreading, and provide a location for centralized storage and treatment of leaked oil, thereby reducing pollution and oil loss to the surrounding area, and facilitating subsequent treatment and management. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

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

[0018] Figure 3 This is a schematic diagram of the structure of the oil storage assembly of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the limiting components of the utility model;

[0020] Figure 5 It is a structural schematic diagram of a partial cross-section of the rotating rod of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the oil storage bin of the utility model when viewed from above;

[0022] Figure 7 It is a structural schematic diagram of a formal cross-section of the oil storage tank of the utility model.

[0023] In the figure: 1. Breaker body; 2. Oil supply pipe; 3. Limiting assembly; 31. Hexagonal block; 32. Externally threaded pipe; 33. Spring rod; 34. Rotating rod; 35. Notch; 36. Internally threaded sleeve; 37. Fixed ring; 4. Oil storage assembly; 41. Support rod; 42. Cross plate; 43. Buffer spring 1; 44. Sliding vertical rod; 45. Buffer spring 2; 46. Pressing block; 47. Oil storage tank. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0025] The following is combined with Figure 1-7 To further explain this application in detail,

[0026] The present application discloses a hydraulic breaker anti-leakage sealing structure. Figure 1A hydraulic breaker oil leakage prevention sealing structure comprises a breaker body 1; an oil supply pipe 2 is fixedly connected to the top of the breaker body 1, a limiting component 3 is arranged at the top of the breaker body 1, and an oil storage component 4 is arranged on the surface of the limiting component 3;

[0027] Reference Figure 2-Figure 5 The limiting component 3 includes a hexagonal block 31 fixedly mounted on the top of the breaker body 1, an externally threaded tube 32 is fixedly mounted on the top of the hexagonal block 31, a spring rod 33 is fixedly mounted on the surface of the top of the externally threaded tube 32, a rotating rod 34 is rotatably connected to the surface of the top of the externally threaded tube 32, a notch 35 is provided on the side of the bottom of the rotating rod 34 close to the externally threaded tube 32, the spring rod 33 and the notch 35 are adapted to be clamped, the height of the notch 35 is greater than the height of the spring rod 33, the spring rod 33 is clamped inside the notch 35 to preliminarily limit the position of the rotating rod 34, and prevent the rotating rod 34 from rotating to the side away from the oil supply pipe 2, and during the rotation of the rotating rod 34, the spring rod 33 can be slightly moved inside the notch 35 The surface of the externally threaded tube 32 is threadedly connected with an internally threaded sleeve 36, and a fixing ring 37 is fixedly installed on the top of the internally threaded sleeve 36. The bottom end of the oil supply pipe 2 is connected to the inside of the breaker body 1, and oil can be supplied to the inside of the breaker body 1 through the oil supply pipe 2, so as to control the operation of the breaker body 1. The oil supply pipe 2 passes through the hexagonal block 31 and the fixing ring 37. The width of the rotating rod 34 gradually increases from bottom to top, and the fixing ring 37 is slidably connected to the surface of the rotating rod 34. When the fixing ring 37 moves upward, it pushes multiple rotating rods 34. At this time, the rotating rods 34 are pushed toward the direction close to the oil supply pipe 2, and the rotating rods 34 and the oil supply pipe 2 are adapted to contact, and multiple rotating rods 34 limit the oil supply pipe 2.

[0028] Reference Figure 3 , Figure 6 and Figure 7The oil storage assembly 4 includes a support rod 41 fixedly mounted on the surface of the hexagonal block 31, a horizontal plate 42 fixedly mounted on the surface of the support rod 41, a buffer spring 1 43 fixedly mounted inside the horizontal plate 42, a sliding vertical rod 44 slidably connected to the top of the horizontal plate 42, a buffer spring 2 45 fixedly mounted on the top of the sliding vertical rod 44 close to the oil supply pipe 2, a pressing block 46 fixedly mounted on the end of the buffer spring 2 45 away from the sliding vertical rod 44, an oil storage bin 47 is provided on the surface of the hexagonal block 31, and a card slot adapted to be carded with the top of the support rod 41 is provided at the bottom end of the oil storage bin 47, and the bottom end of the oil storage bin 47 is carded to the top of the support rod 41, so that the storage The oil bin 47 is placed more firmly, and a groove matching the pressing block 46 is provided on the surface of the oil bin 47, and one end of the buffer spring 43 away from the inner wall of the horizontal plate 42 is fixedly installed on the surface of the sliding vertical rod 44. A notch is provided on the side of the top of the oil bin 47 close to the oil supply pipe 2, and the edge of the notch at the top of the oil bin 47 is bent downward. If hydraulic oil leaks from the connection between the oil supply pipe 2 and the breaker body 1, the leaked hydraulic oil will flow to the inside of the oil bin 47 at the gap between the oil supply pipe 2 and the hexagonal block 31 and be collected, and the downwardly bent part of the notch at the top of the oil bin 47 prevents the lubricating oil collected inside from leaking due to the vibration of the oil bin 47.

[0029] Working principle: the operator places the oil storage bin 47 on the surface of the hexagonal block 31, so that the groove at the bottom of the oil storage bin 47 and the support rod 41 are engaged with each other, and then the sliding vertical rod 44 is pushed close to the oil storage bin 47 under the action of the elastic force of the buffer spring 1 43, until the sliding vertical rod 44 drives the fixedly connected buffer spring 2 45 and the pressing block 46 to move accordingly, so that the pressing block 46 is engaged with the inside of the groove. At this time, the position of the oil storage bin 47 is limited, and then the operator passes the oil supply pipe 2 through the fixing ring 37 and the hexagonal block 31 to fix it on the top of the oil supply pipe 2. When the oil supply pipe 2 and the crushing After the hammer body 1 is connected, the internal threaded sleeve 36 is manually rotated, and the internal threaded sleeve 36 will rotate on the surface of the external threaded tube 32 and drive the fixing ring 37 to move upward. At this time, the fixing ring 37 will push the rotating rod 34 to rotate, so that the top of the rotating rod 34 rotates toward the direction close to the oil supply pipe 2. The oil supply pipe 2 is stably limited by multiple rotating rods 34, thereby increasing the stability of the connection between the oil supply pipe 2 and the breaker body 1. During the oil supply process of the oil supply pipe 2, if there is leakage of hydraulic oil, it will flow to the inside of the oil storage tank 47 through the gap between the oil supply pipe 2 and the hexagonal block 31 and be collected.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A hydraulic breaker anti-leakage sealing structure, characterized in that: It comprises a breaker hammer body (1); the top end of the breaker hammer body (1) is fixedly connected to an oil supply pipe (2); the top end of the breaker hammer body (1) is provided with a limiting component (3); the surface of the limiting component (3) is provided with an oil storage component (4); The limiting assembly (3) comprises a hexagonal block (31) fixedly mounted on the top of the breaker body (1); an externally threaded tube (32) is fixedly mounted on the top of the hexagonal block (31); a spring rod (33) is fixedly mounted on the surface of the top of the externally threaded tube (32); a rotating rod (34) is rotatably connected to the surface of the top of the externally threaded tube (32); a notch (35) is provided on the bottom of the rotating rod (34) close to the externally threaded tube (32); an internally threaded sleeve (36) is threadedly connected to the surface of the externally threaded tube (32); and a fixing ring (37) is fixedly mounted on the top of the internally threaded sleeve (36).

2. The anti-leakage sealing structure of a hydraulic breaker according to claim 1, characterized in that: The bottom end of the oil supply pipe (2) is connected to the interior of the breaker body (1), and the oil supply pipe (2) passes through the hexagonal block (31) and the fixing ring (37).

3. The anti-leakage sealing structure of a hydraulic breaker according to claim 1 is characterized in that: The spring rod (33) and the notch (35) are adapted to be snap-connected, and the height of the notch (35) is greater than the height of the spring rod (33).

4. The anti-leakage sealing structure of a hydraulic breaker according to claim 1, characterized in that: The width of the rotating rod (34) gradually increases from bottom to top, the fixing ring (37) is slidably connected to the surface of the rotating rod (34), and the rotating rod (34) and the oil supply pipe (2) are in adaptive contact.

5. The anti-leakage sealing structure of a hydraulic breaker according to claim 1, characterized in that: The oil storage assembly (4) comprises a support rod (41) fixedly mounted on the surface of the hexagonal block (31), a transverse plate (42) fixedly mounted on the surface of the support rod (41), a buffer spring 1 (43) fixedly mounted inside the transverse plate (42), a sliding vertical rod (44) slidably connected to the top of the transverse plate (42), a buffer spring 2 (45) fixedly mounted on the top of the sliding vertical rod (44) close to the oil supply pipe (2), a pressing block (46) fixedly mounted on the end of the buffer spring 2 (45) away from the sliding vertical rod (44), and an oil storage bin (47) is provided on the surface of the hexagonal block (31).

6. The anti-leakage sealing structure of a hydraulic breaker according to claim 5, characterized in that: The bottom end of the oil storage bin (47) is provided with a slot adapted to be engaged with the top end of the support rod (41), and the surface of the oil storage bin (47) is provided with a groove adapted to be engaged with the pressing block (46).

7. The anti-leakage sealing structure for a hydraulic breaker according to claim 5, characterized in that: One end of the buffer spring (43) away from the inner wall of the horizontal plate (42) is fixedly mounted on the surface of the sliding vertical rod (44); a notch is provided on the top of the oil storage bin (47) close to the oil supply pipe (2); and the edge of the notch at the top of the oil storage bin (47) is bent downward.