A cooling device for a breaking hammer

By using a cooling method of blowing cold air onto the hydraulic breaker, and combining a cooling box and a serpentine cooling pipe with a semiconductor cooler and ice blocks, the problems of water waste and heavy hammer caused by water spraying cooling are solved, achieving a highly efficient and lightweight cooling effect.

CN224351301UActive Publication Date: 2026-06-12ANHUI DAGONG HYDRAULIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI DAGONG HYDRAULIC CO LTD
Filing Date
2025-02-20
Publication Date
2026-06-12

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    Figure CN224351301U_ABST
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Abstract

This utility model discloses a cooling device for a hydraulic breaker, comprising: a cooling assembly fixedly mounted on the hydraulic breaker; the cooling assembly includes: a cooling box, an air compressor, and a cooling pipe; a cooling box capable of internal cooling is vertically fixedly mounted on the body of the hydraulic breaker, and a serpentine cooling pipe is vertically fixedly mounted inside the cooling box; the air inlet of the cooling pipe passes through the top of the cooling box and connects to the air outlet of the cooling pipe fixed on the body of the hydraulic breaker, while the air outlet of the cooling pipe passes through the bottom of the cooling box and is inclined towards the chisel of the hydraulic breaker. This cooling device for a hydraulic breaker overcomes the problems of existing technologies that use water spraying for cooling, which requires a large amount of water during the cooling process, resulting in water waste and the need to install a large-capacity water tank on the hydraulic breaker, increasing the volume and weight of the hammer and making the entire structure bulky.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic breakers, specifically to a cooling device for hydraulic breakers. Background Technology

[0002] Hydraulic breakers are powered by pressurized oil supplied by the pump station of excavators or loaders. They are used to more effectively remove loose rocks and mud from rock crevices during the excavation of building foundations. The principle for selecting a hydraulic breaker is to choose the most suitable one based on the excavator model and the operating environment.

[0003] A search revealed Chinese patent application number CN202323074615.2, which discloses a cooling hydraulic breaker. The breaker includes a breaker body and a chisel. The chisel is movably mounted at the output end of the breaker body's bottom. The breaker also includes an upper connecting plate, a reciprocating motor, a threaded rod, a threaded pipe, a connecting frame, a water cylinder, a piston, a suction pipe, a drain pipe, a cooling spray head, and a second connecting frame. The upper front side of the breaker body is connected to the rear end of the upper connecting plate. The lower front side of the breaker body is connected to the rear end of the water cylinder via the connecting frame. The inner side of the water cylinder is slidably connected to the outer side of the piston. The middle of the piston's top is connected to the bottom end of the threaded pipe. The water cylinder's input end is connected to the inner end of the suction pipe. The water cylinder's output end is connected to one end of the drain pipe, and the other end of the drain pipe is connected to the input end of the cooling spray head. The cooling spray head is fixed to the front bottom of the breaker body via the second connecting frame. This breaker features an automatically operating water spray cooling mechanism, effectively reducing the temperature of the chisel.

[0004] In the process of implementing this utility model, the inventors discovered the following problems with the existing technology:

[0005] The existing cooling mechanism uses water spraying for cooling, which requires a large amount of water during the cooling process. This not only wastes water resources, but also requires installing a large-capacity water tank on the breaker, increasing the volume and weight of the hammer and making the entire structure bulky.

[0006] Therefore, the present invention urgently needs to solve the problem of providing a cooling device for hydraulic breakers that uses air blowing to replace water spraying during use, which improves the cooling effect, avoids water waste, and has the advantages of simple structure and small size. Utility Model Content

[0007] To address the aforementioned technical problems, the purpose of this utility model is to overcome the shortcomings of existing technologies that use water spraying for cooling. These technologies require a large amount of water during the cooling process, leading to water waste. Furthermore, the need to install large-capacity water tanks on the hydraulic breaker increases the hammer's volume and weight, making the entire structure bulky. This invention provides a cooling device for hydraulic breakers that uses air blowing to replace water spraying, improving cooling efficiency, avoiding water waste, and offering advantages such as simple structure and small size.

[0008] To achieve the above objectives, this utility model provides a cooling device for a hydraulic breaker, the device comprising: a cooling component fixedly mounted on the hydraulic breaker;

[0009] The cooling assembly includes: a cooling box, an air compressor, and cooling pipes; wherein...

[0010] The hydraulic breaker is vertically fixed with an internal cooling box. Inside the cooling box, a serpentine cooling pipe is vertically fixed. The air inlet of the cooling pipe passes through the top of the cooling box and is connected to the air outlet of the cooling pipe fixed to the body of the hydraulic breaker. The air outlet of the cooling pipe passes through the bottom of the cooling box and is inclined toward the chisel of the hydraulic breaker.

[0011] Preferably, the cooling component further includes: ice cubes; wherein,

[0012] The interior of the refrigeration box is spaced apart and fixedly equipped with two ice blocks, and the cooling pipe is vertically fixed between the two ice blocks and abuts against them.

[0013] Preferably, the cooling component further includes: a semiconductor cooler; wherein,

[0014] At least one semiconductor cooler is fixedly installed on the outer wall of the refrigeration box, and the cooling end of the semiconductor cooler abuts against the refrigeration box.

[0015] Preferably, the inner wall of the refrigeration box is fixedly provided with a heat insulation layer.

[0016] Preferably, the heat insulation layer is a sponge pad or aerogel felt.

[0017] Preferably, a shock-absorbing plate is fixedly installed on the refrigeration box facing the breaker hammer, and the shock-absorbing plate is fixed on the breaker hammer.

[0018] According to the above technical solution, the beneficial effects of the cooling device for hydraulic breakers provided by this utility model in use are as follows:

[0019] (1) In use, the interior of the refrigeration chamber is cooled by starting the air compressor, and the outside gas is introduced into the cooling pipe located in the refrigeration chamber through the air compressor, so that the gas passing through the refrigeration chamber is cooled. The cooled gas is blown from the outlet of the cooling pipe at the bottom of the refrigeration chamber to the chisel of the breaker, so that cold air is generated by the refrigeration chamber and blown onto the chisel of the breaker to cool it down quickly and improve the cooling effect.

[0020] (2) Compared with the prior art, the cooling component has a simple structure and small size, and uses the method of blowing cold air instead of spraying water, which avoids the waste of water resources, has a better cooling effect, and is convenient to carry.

[0021] (3) The purpose of the serpentine cooling pipe located inside the refrigeration box is to extend the path of the outside gas through the refrigeration box, thereby extending the time the gas spends in the refrigeration box, so that the refrigeration box can fully cool the gas entering the cooling pipe to obtain cold air.

[0022] In summary, the cooling component provided by this utility model uses air blowing to replace water spraying, which improves the cooling effect, avoids water waste, and has the advantages of simple structure and small size.

[0023] Other features and advantages of this utility model will be described in detail in the following detailed description section; and all parts not covered in this utility model are the same as or can be implemented using existing technology. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0025] Figure 1 This is a schematic diagram of the structure of a cooling device for a hydraulic breaker provided in a preferred embodiment of this utility model;

[0026] Figure 2 This is a schematic diagram of the cooling component of the cooling device for the hydraulic breaker provided in a preferred embodiment of the present invention;

[0027] Figure 3 This is an exploded view of the cooling component of the cooling device for a hydraulic breaker provided in a preferred embodiment of this utility model.

[0028] Explanation of reference numerals in the attached figures

[0029] 1. Hydraulic breaker; 2. Refrigeration box; 3. Semiconductor refrigerator; 4. Air compressor; 5. Cooling pipe; 6. Ice block; 7. Insulation layer. Detailed Implementation

[0030] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0031] like Figure 1-3 As shown, the present invention provides a cooling device for a hydraulic breaker, the device comprising: a cooling component fixedly mounted on the hydraulic breaker 1;

[0032] The cooling assembly includes: a cooling box 2, an air compressor 4, and a cooling pipe 5; wherein...

[0033] The body of the hydraulic breaker 1 is vertically fixed with a cooling box 2 that can be cooled inside. Inside the cooling box 2, a serpentine cooling pipe 5 is vertically fixed. The air inlet of the cooling pipe 5 passes through the top of the cooling box 2 and is connected to the air outlet of the cooling pipe 5 fixed on the body of the hydraulic breaker 1. The air outlet of the cooling pipe 5 passes through the bottom of the cooling box 2 and is inclined toward the chisel of the hydraulic breaker 1.

[0034] In the above scheme, during use, the interior of the cooling box 2 is cooled by starting the air compressor 4, which introduces outside gas into the cooling pipe 5 located inside the cooling box 2. This cools the gas passing through the cooling box 2, and the cooled gas is blown from the outlet of the cooling pipe 5 at the bottom of the cooling box 2 onto the chisel of the hydraulic breaker 1. The cooling box 2 generates cold air, which is then blown onto the chisel of the hydraulic breaker 1 for rapid cooling, thus improving the cooling effect.

[0035] In addition, compared with the prior art, the cooling component has a simple structure and small size, and uses a blowing method instead of a water spraying method to avoid water waste and achieve a better cooling effect.

[0036] The purpose of the serpentine cooling pipe 5 located inside the refrigeration box 2 is to extend the path of the outside gas through the refrigeration box 2, thereby extending the time the gas spends inside the refrigeration box 2. This allows the refrigeration box 2 to fully cool the gas entering the cooling pipe 5 to obtain cold air.

[0037] In the above scheme, the air pump is also called an air compressor, air pump, or air inflator, which is common technical knowledge. Therefore, its specific structure and operating principle will not be described in detail here.

[0038] In a preferred embodiment of this utility model, the cooling component further includes: ice cubes 6; wherein,

[0039] The interior of the refrigeration box 2 is spaced apart and fixedly provided with two ice blocks 6, and the cooling pipe 5 is vertically fixed between the two ice blocks 6 and abuts against them.

[0040] In the above scheme, the cooling pipe 5 is placed between and against the two ice blocks 6. When the outside gas passes through the cooling pipe 5 between the two ice blocks 6, the ice blocks 6 cool the outside gas to obtain cold air.

[0041] In a preferred embodiment of this utility model, the cooling component further includes: a semiconductor cooler 3; wherein,

[0042] At least one semiconductor cooler 3 is fixedly installed on the outer wall of the refrigeration box 2, and the cooling end of the semiconductor cooler 3 abuts against the refrigeration box 2.

[0043] In the above scheme, the refrigeration box 2 is rectangular, and multiple outer walls of the refrigeration box 2 can be fixedly equipped with semiconductor coolers 3, with the cooling end of each semiconductor cooler 3 abutting against the refrigeration box 2. Multiple semiconductor coolers 3 can be used to cool the interior of the refrigeration box 2, preventing the ice 6 inside the refrigeration box 2 from melting.

[0044] The semiconductor cooler 3 refers to a device that generates cooling power using the thermoelectric effect of semiconductors, also known as a thermoelectric cooler. By connecting two different metals with a conductor and applying direct current, the temperature at one junction decreases (the cold junction temperature can reach -10 to -20°C), while the temperature at the other junction increases. It features no noise, no vibration, no refrigerant required, small size, and light weight, and is reliable, easy to operate, and allows for easy adjustment of cooling capacity. The semiconductor cooler 3 is a well-known technology; therefore, its specific structure and operating principle will not be elaborated upon here.

[0045] Therefore, by adjusting the cooling temperature of the semiconductor cooler 3 to make its cooling end below zero degrees, the ice 6 inside the cooling box 2 is prevented from melting.

[0046] In a preferred embodiment of this utility model, a heat insulation layer 7 is fixedly provided on the inner wall of the refrigeration box 2.

[0047] In the above scheme, the function of the heat insulation layer 7 is to isolate external heat, maintain the low temperature inside the refrigeration box 2, and improve its refrigeration effect.

[0048] In a preferred embodiment of this utility model, the heat insulation layer 7 is a sponge pad or aerogel felt.

[0049] In a preferred embodiment of this utility model, a shock-absorbing plate is fixedly provided on the refrigeration box 2 facing the breaker 1, and the shock-absorbing plate is fixed on the breaker 1.

[0050] In the above scheme, when the breaker 1 is in the crushing process, the shock absorption plate can absorb the vibration generated on the refrigeration box 2 during the crushing process, thereby extending the service life of the cooling component.

[0051] In summary, the cooling device for hydraulic breakers provided by this utility model overcomes the problems of existing technologies that use water spraying for cooling, which requires a large amount of water during the cooling process, resulting in water waste and the need to install large-capacity water tanks on the hydraulic breaker, increasing the volume and weight of the hammer and making the entire structure bulky.

[0052] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0053] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0054] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A cooling device for a hydraulic breaker, characterized in that, The device includes: a cooling component fixedly mounted on the breaker hammer (1); The cooling assembly includes: a cooling box (2), an air compressor (4), and a cooling pipe (5); wherein, The body of the hydraulic breaker (1) is vertically fixed with a cooling box (2) that can cool inside. The cooling box (2) is vertically fixed with a serpentine cooling pipe (5). The air inlet of the cooling pipe (5) passes through the top of the cooling box (2) and is connected to the air outlet of the cooling pipe (5) fixed on the body of the hydraulic breaker (1). The air outlet of the cooling pipe (5) passes through the bottom of the cooling box (2) and is inclined toward the chisel of the hydraulic breaker (1).

2. The cooling device for a hydraulic breaker according to claim 1, characterized in that, The cooling component further includes: ice blocks (6); wherein, The interior of the refrigeration box (2) is spaced apart and fixedly provided with two ice blocks (6), and the cooling pipe (5) is vertically fixed between the two ice blocks (6) and abuts against them.

3. The cooling device for a hydraulic breaker according to claim 1 or 2, characterized in that, The cooling component further includes: a semiconductor cooler (3); wherein, At least one semiconductor cooler (3) is fixedly installed on the outer wall of the refrigeration box (2), and the cooling end of the semiconductor cooler (3) abuts against the refrigeration box (2).

4. The cooling device for a hydraulic breaker according to claim 2, characterized in that, The inner wall of the refrigeration box (2) is fixedly provided with a heat insulation layer (7).

5. The cooling device for a hydraulic breaker according to claim 4, characterized in that, The heat insulation layer (7) is a sponge pad or aerogel felt.

6. The cooling device for a hydraulic breaker according to claim 1, characterized in that, A shock-absorbing plate is fixedly installed on the refrigeration box (2) facing the breaker (1), and the shock-absorbing plate is fixed on the breaker (1).