Cooling device for hydraulic breaking hammer

Abstract

The utility model relates to the technical field of hydraulic breaking hammers, in particular to a cooling device for a hydraulic breaking hammer, and aims to overcome the defects that in the prior art, the oil temperature of oil in a breaking hammer body cannot be cooled, a drill rod rubs with rock during working, the hardness of the drill rod is reduced when the temperature is too high, and the drill rod is prone to being abraded. According to the scheme, the breaking hammer comprises a shell, a breaking hammer body is arranged in the shell, a drill rod is arranged on the breaking hammer body, an oil inlet pipe and an oil outlet pipe are arranged on the breaking hammer body, a box body is fixedly connected to one side of the shell, a cold water tank is arranged in the box body, a water inlet pipe is arranged on one side of the cold water tank, and a water outlet pipe is arranged on the other side of the cold water tank. According to the breaking hammer, the temperature of oil in the breaking hammer body can be effectively taken away, so that the breaking hammer body keeps a stable working transition state; and meanwhile, the drill rod can be cooled, so that abrasion caused by too high temperature due to friction in the working state of the drill rod is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic breaker hammers, in particular to a cooling device for a hydraulic breaker hammer. Background Art

[0002] Hydraulic breaker is also called "breaker" or "crusher". The power source of hydraulic breaker is the pressure provided by excavator, loader or pump station. It can break stones and rocks more effectively in construction and improve work efficiency. The principle of selecting hydraulic breaker is to choose the most suitable hydraulic breaker according to the excavator model and the working environment. When the breaker is working continuously, the oil temperature will rise.

[0003] The patent document with the announcement number CN104132496A discloses a cooling device for a hydraulic breaker, including a cylinder, a piston rod is movably connected in the cylinder, a drill rod is movably connected at the front end of the piston rod, the cylinder is connected to the hydraulic system through a group of oil pipes, a group of connected pipes are arranged in the cylinder, the water inlet (a) and the water outlet (b) of the pipes are respectively arranged on both sides of the cylinder, the water inlet (a) and the water outlet (b) are connected by a water pipe, and a water pump and a water tank are respectively arranged on the water pipe. Advantages of the invention: the device has little structural modification to the existing breaker, simple structure, low cost, reduces the generation of cavitation and noise when the breaker is working, improves the working life of the breaker, and plays a protective role on the breaker body.

[0004] However, the above-mentioned cooling device for hydraulic breaker cannot cool the oil temperature of the oil in the breaker body. At the same time, the drill rod will produce friction with the rock during operation. When the temperature is too high, the hardness of the drill rod decreases, which easily causes wear of the drill rod. Therefore, we propose a cooling device for hydraulic breaker to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems in the prior art that the oil temperature of the oil in the breaker body cannot be cooled, and the drill rod will produce friction with the rock during operation. When the temperature is too high, the hardness of the drill rod is reduced, which easily causes wear of the drill rod. A cooling device for a hydraulic breaker is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A hydraulic breaker cooling device comprises a shell, a breaker body is arranged in the shell, and a drill rod is arranged on the breaker body, an oil inlet pipe and an oil outlet pipe are arranged on the breaker body, a box body is fixedly connected to one side of the shell, and a cold water tank is arranged in the box body, a water inlet pipe is arranged on one side of the cold water tank, a water cooling assembly is fixedly installed in the cold water tank, a fixed frame is fixedly installed in the box body, and a water intake assembly is fixedly installed in the fixed frame, an extrusion assembly is arranged in the fixed frame, the water cooling assembly comprises a condensing tube fixedly installed in the cold water tank, and a condenser is installed on the condensing tube, the water intake assembly comprises an air bag fixedly connected in the fixed frame, and the top of the air bag is fixedly connected to the water intake pipe, the same sliding plate is slidably installed on the two sliding limit frames, and two springs are respectively fixedly connected to the two sliding plates, and an arc-shaped extrusion plate is fixedly installed on the sliding plate.

[0008] Preferably, the condenser is matched with the oil inlet pipe and the oil outlet pipe.

[0009] Preferably, a water conduit is fixedly mounted on the bottom of the airbag.

[0010] Preferably, a one-way valve is fixedly installed on the water intake pipe, and a nozzle is fixedly installed on the water guide pipe, and the nozzle cooperates with the drill rod.

[0011] Preferably, an arc-shaped fixing plate is fixedly installed in the fixing frame, and two sliding limit frames are fixedly installed in the fixing frame, and springs are fixedly installed in both sliding limit frames.

[0012] Preferably, the arc-shaped extrusion plate cooperates with the airbag.

[0013] Preferably, the extrusion assembly includes a motor fixedly connected to a fixed frame, and a rotating shaft is fixedly connected to an output shaft of the motor, a cam is fixedly sleeved on the rotating shaft, and the cam cooperates with a sliding plate.

[0014] In the utility model, the beneficial effects of the cooling device for a hydraulic breaker hammer are:

[0015] The water cooling component can effectively remove the oil temperature of the oil in the breaker body, so that it can maintain a stable working state.

[0016] Since the water cooling component, the water intake component and the extrusion component are provided, the drill rod can be cooled, thereby avoiding the wear of the drill rod caused by excessive temperature due to friction in the working state.

[0017] The utility model can effectively take away the oil temperature of the oil in the breaker hammer body, so that it can maintain a stable working state; at the same time, it can cool the drill rod, thereby avoiding the wear of the drill rod caused by excessive temperature due to friction in the working state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-section structure of the hydraulic breaker cooling device proposed by the utility model;

[0019] Figure 2 It is a schematic diagram of the front cross-section structure of the water cooling component, water intake component and extrusion component of the hydraulic breaker cooling device proposed by the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of the fixing frame of the hydraulic breaker cooling device.

[0021] In the figure: 1. shell; 2. drill rod; 3. box; 4. oil inlet pipe; 5. oil outlet pipe; 6. cold water tank; 7. water inlet pipe; 8. condenser; 9. condenser; 10. fixing frame; 11. air bag; 12. water intake pipe; 13. one-way valve; 14. water guide pipe; 15. nozzle; 16. arc-shaped fixing plate; 17. sliding limit frame; 18. sliding plate; 19. arc-shaped extrusion plate; 20. motor; 21. rotating shaft; 22. cam; 23. spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Embodiment 1

[0024] Reference Figure 1-Figure 3 A hydraulic breaker cooling device comprises a housing 1, a breaker body is arranged in the housing 1, a drill rod 2 is arranged on the breaker body, and an oil inlet pipe 4 and an oil outlet pipe 5 are arranged on the breaker body.

[0025] In the utility model, the water cooling assembly includes a condenser 8 fixedly installed in a cold water tank 6, and a condenser 9 is installed on the condenser 8, and the condenser 8 cooperates with the oil inlet pipe 4 and the oil outlet pipe 5.

[0026] In the utility model, the water intake assembly includes an air bag 11 fixedly connected to the fixing frame 10 , a water intake pipe 12 is fixedly connected to the top of the air bag 11 , and a water guide pipe 14 is fixedly installed at the bottom of the air bag 11 .

[0027] In the utility model, one side of the shell 1 is fixedly connected to the box body 3, and a cold water tank 6 is provided in the box body 3, a water inlet pipe 7 is provided on one side of the cold water tank 6, a water cooling component is fixedly installed in the cold water tank 6, a fixing frame 10 is fixedly installed in the box body 3, and a water intake component is fixedly installed in the fixing frame 10, an extrusion component is provided in the fixing frame 10, a one-way valve 13 is fixedly installed on the water intake pipe 12, and a nozzle 15 is fixedly installed on the water guide pipe 14, and the nozzle 15 cooperates with the drill rod 2.

[0028] In the utility model, an arc-shaped fixing plate 16 is fixedly installed in the fixing frame 10 , and two sliding limit frames 17 are fixedly installed in the fixing frame 10 , and springs 23 are fixedly installed in both sliding limit frames 17 .

[0029] In the utility model, the same sliding plate 18 is slidably mounted on the two sliding limit frames 17 , and the two springs 23 are fixedly connected to the two sliding plates 18 , respectively, and an arc-shaped extrusion plate 19 is fixedly mounted on the sliding plate 18 , and the arc-shaped extrusion plate 19 cooperates with the airbag 11 .

[0030] In the present invention, the extrusion assembly includes a motor 20 fixedly connected to the fixing frame 10 , and a rotating shaft 21 is fixedly connected to the output shaft of the motor 20 , and a cam 22 is fixedly sleeved on the rotating shaft 21 , and the cam 22 cooperates with the sliding plate 18 .

[0031] In the utility model, the working principle is as follows: when in use, water is injected into the cold water tank 6 through the water inlet pipe 7, and then the condenser 9 and the condensing pipe 8 cool the water in the cold water tank 6. At the same time, the condensing pipe 8 is arranged on the outside of the oil inlet pipe 4 and the oil outlet pipe 5, and the oil inlet pipe 4 and the oil outlet pipe 5 exist in the cold water tank 6, so as to effectively take away the oil temperature of the oil in the breaker body, so that it can maintain a stable working state. At the same time, the motor 20 can be started, and the output shaft of the motor 20 drives the rotating shaft 21 to rotate, and the rotating shaft 21 drives the cam 22 to rotate. The rotation of the cam 22 will drive the sliding plate 18 to move to the left, and at the same time, the sliding plate 18 drives the arc extrusion plate 19 to move, so that the arc extrusion plate 19 is opposite to the The airbag 11 is squeezed, and at the same time, the rotation of the cam 22 and the expansion and contraction of the two springs 23 will drive the sliding plate 18 to move back and forth, so that the arc-shaped squeezing plate 19 can squeeze the airbag 11 back and forth. While squeezing the airbag 11 back and forth, the airbag 11 will generate suction, thereby extracting water from the cold water tank 6, and then the water in the airbag 11 will be squeezed into the water pipe 14, and then the cooling water will be sprayed onto the drill rod 2 by the nozzle 15 to cool the drill rod 2, thereby avoiding wear of the drill rod 2 due to excessive temperature caused by friction in the working state. At the same time, due to the presence of the one-way valve 13, the water in the airbag 11 will not flow back into the water intake pipe 12.

[0032] Embodiment 2

[0033] The difference between this embodiment and the first embodiment is that a guide plate is fixedly installed in the housing 1, which can guide the water sprayed from the nozzle 15 so that the water can be directed onto the drill rod 2, thereby ensuring the cooling efficiency.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cooling device for a hydraulic breaker, comprising a housing (1), characterized in that: A breaker body is arranged in the shell (1), and a drill rod (2) is arranged on the breaker body. An oil inlet pipe (4) and an oil outlet pipe (5) are arranged on the breaker body. A box (3) is fixedly connected to one side of the shell (1), and a cold water tank (6) is arranged in the box (3). A water inlet pipe (7) is arranged on one side of the cold water tank (6). A water cooling component is fixedly installed in the cold water tank (6). A fixing frame (10) is fixedly installed in the box (3), and a water intake component is fixedly installed in the fixing frame (10). An extrusion component is arranged in the fixing frame (10).

2. The cooling device for hydraulic breaker according to claim 1, characterized in that: The water cooling assembly comprises a condenser pipe (8) fixedly installed in a cold water tank (6), and a condenser (9) is installed on the condenser pipe (8), and the condenser pipe (8) cooperates with an oil inlet pipe (4) and an oil outlet pipe (5).

3. The cooling device for the hydraulic breaker according to claim 2, characterized in that: The water intake assembly comprises an air bag (11) fixedly connected to a fixing frame (10), a water intake pipe (12) fixedly connected to the top of the air bag (11), and a water guide pipe (14) fixedly installed at the bottom of the air bag (11).

4. The cooling device for the hydraulic breaker according to claim 3, characterized in that: A one-way valve (13) is fixedly installed on the water intake pipe (12), and a spray head (15) is fixedly installed on the water guide pipe (14), wherein the spray head (15) cooperates with the drill rod (2).

5. The cooling device for the hydraulic breaker according to claim 4, characterized in that: An arc-shaped fixing plate (16) is fixedly installed in the fixing frame (10), and two sliding limit frames (17) are fixedly installed in the fixing frame (10), and springs (23) are fixedly installed in both sliding limit frames (17).

6. The cooling device for the hydraulic breaker according to claim 5, characterized in that: The same sliding plate (18) is slidably mounted on the two sliding limit frames (17), and the two springs (23) are respectively fixedly connected to the two sliding plates (18), and an arc-shaped extrusion plate (19) is fixedly mounted on the sliding plate (18), and the arc-shaped extrusion plate (19) cooperates with the airbag (11).

7. The cooling device for the hydraulic breaker according to claim 6, characterized in that: The extrusion assembly comprises a motor (20) fixedly connected to a fixed frame (10), and a rotating shaft (21) is fixedly connected to the output shaft of the motor (20), a cam (22) is fixedly sleeved on the rotating shaft (21), and the cam (22) cooperates with the sliding plate (18).

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