CN219549247U - Hydraulic control system of rock drill impact hammer - Google Patents
Hydraulic control system of rock drill impact hammer Download PDFInfo
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- CN219549247U CN219549247U CN202320542546.4U CN202320542546U CN219549247U CN 219549247 U CN219549247 U CN 219549247U CN 202320542546 U CN202320542546 U CN 202320542546U CN 219549247 U CN219549247 U CN 219549247U
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- hydraulic control
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- control system
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Abstract
The utility model discloses a hydraulic control system of a rock drill impact hammer, wherein an oil inlet P is arranged at the front end of a main oil way, an oil outlet A is connected at the rear end of the main oil way, a throttle valve, a three-position two-way electromagnetic valve, a hydraulic control sequence valve, a first throttle valve, a second throttle valve, a first logic shuttle valve, a third throttle valve, a second logic shuttle valve, an electromagnetic proportional overflow valve and a fourth throttle valve are connected on the main oil way, the main oil way is connected with a hydraulic oil tank interface T through the throttle valve, the hydraulic control sequence valve and the three-position two-way electromagnetic valve, and the electromagnetic proportional overflow valve and the second logic shuttle valve are connected at the rear end of the main oil way through the first throttle valve.
Description
Technical Field
The utility model relates to the technical field of hydraulic control, in particular to a hydraulic control system of a rock drill impact hammer.
Background
The impact hammer of the rock drill is mainly used for mechanical construction of tunnel drilling and blasting, rapid and efficient tunneling construction of the rock drill in a tunnel is realized, the control of the existing impact hammer of the rock drill is realized by only adopting a hydraulic control principle and using hydraulic control logic valves to mutually control, and only adopting hydraulic control is more and complex in circuits, higher in production cost, incapable of meeting the requirement of high cost performance and higher in failure rate.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides a hydraulic control system of a rock drill impact hammer, adopts an electric control principle valve group, has a simple and reasonable structure, reduces joints, further reduces fault points, reduces production cost and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the hydraulic control system of the rock drill impact hammer comprises a main oil way, wherein an oil inlet P is formed in the front end of the main oil way, an oil outlet A is connected to the rear end of the main oil way, a throttle valve, a three-position two-way electromagnetic valve, a hydraulic control sequence valve, a first throttle valve, a second throttle valve, a first logic shuttle valve, a third throttle valve, a second logic shuttle valve, an electromagnetic proportional overflow valve and a fourth throttle valve are connected to the main oil way, a hydraulic oil tank interface T is connected to the main oil way through the throttle valve, the hydraulic control sequence valve and the three-position two-way electromagnetic valve, an electromagnetic proportional overflow valve and the second logic shuttle valve are connected to the rear end of the main oil way through the first throttle valve, and the end portion of the second logic shuttle valve is connected with the first logic shuttle valve.
As a preferable technical scheme of the utility model, a one-way valve reserved interface is connected to the position of the main oil way close to the oil inlet P.
As a preferable technical scheme of the utility model, the rear end of the main oil way is connected with a pressure sensor and a pressure gauge through a fourth throttle valve.
As a preferable solution of the present utility model, the end of the second logic shuttle valve is connected with a pressure feedback interface Ls.
As a preferable technical scheme of the utility model, the end part of the first logic shuttle valve is respectively connected with a second throttle valve and a third throttle valve, the end part of the second throttle valve is connected with a pressure feedback interface Ls2, and the end part of the third throttle valve is connected with a pressure feedback interface Ls1.
Compared with the prior art, the utility model has the beneficial effects that: the hydraulic control system of the rock drill impact hammer adopts the valve bank of the electric control principle, has simple and reasonable structure, reduces joints, further reduces fault points and reduces production cost.
Drawings
FIG. 1 is a schematic diagram of a hydraulic control system according to the present utility model.
In the figure: the throttle valve 1, the three-position two-way electromagnetic valve 2, the hydraulic control sequence valve 3, the one-way valve reserved interface 4, the electromagnetic proportional overflow valve 5, the first throttle valve 6, the second throttle valve 7, the first logic shuttle valve 8, the third throttle valve 9, the pressure sensor 10, the second logic shuttle valve 11, the fourth throttle valve 12 and the pressure gauge 13.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution:
the hydraulic control system of the rock drill impact hammer comprises a main oil way, wherein an oil inlet P is formed in the front end of the main oil way, an oil outlet A is connected to the rear end of the main oil way, a throttle valve 1, a three-position two-way electromagnetic valve 2, a hydraulic control sequence valve 3, a first throttle valve 6, a second throttle valve 7, a first logic shuttle valve 8, a third throttle valve 9, a second logic shuttle valve 11, an electromagnetic proportional overflow valve 5 and a fourth throttle valve 12 are connected to the main oil way, a hydraulic oil tank interface T is connected to the main oil way through the throttle valve 1, the hydraulic control sequence valve 3 and the three-position two-way electromagnetic valve 2, an electromagnetic proportional overflow valve 5 and the second logic shuttle valve 11 are connected to the rear end of the main oil way through the first throttle valve 6, and the electromagnetic proportional overflow valve 5 is connected to the hydraulic oil tank interface T, and the end of the second logic shuttle valve 11 is connected to the first logic shuttle valve 8.
The position of the main oil way close to the oil inlet P is connected with a check valve reserved interface 4.
The rear end of the main oil passage is connected with a pressure sensor 10 and a pressure gauge 13 through a fourth throttle valve 12.
The end of the second logic shuttle valve 11 is connected with a pressure feedback interface Ls.
The end part of the first logic shuttle valve 8 is respectively connected with a second throttling valve 7 and a third throttling valve 9, the end part of the second throttling valve 7 is connected with a pressure feedback interface Ls2, and the end part of the third throttling valve 9 is connected with a pressure feedback interface Ls1.
The external pressure pump enters hydraulic oil through an oil inlet P at the front end of a main oil way, the hydraulic oil is connected with a three-position two-way electromagnetic valve 2 through a throttle valve 1, then the main oil way is connected with a hydraulic control sequence valve 3 and is controlled by the three-position two-way electromagnetic valve 2, the three-position two-way electromagnetic valve 2 is specifically a three-position two-way electromagnetic valve, the flow electromagnetic switch control of the oil inlet P is realized, the main oil way is connected with three ways after the hydraulic control sequence valve 3 is connected, the first way is connected with a pressure sensor 10 and a pressure gauge 13, the second way is connected with an electromagnetic proportional relief valve 5, the third way is a main oil way, the oil outlet A is directly communicated, the pressure sensor 10 regulates flow and impacts through a fourth throttle valve 12, the electromagnetic proportional relief valve 5 regulates flow and impacts through a first throttle valve 6, the electromagnetic proportional relief valve 5 is connected with the first throttle valve 6 in parallel with a second logic shuttle valve 11, the first logic shuttle valve 8 connected with the second throttle valve 7 and the third throttle valve 9 in series is respectively, the second throttle valve 7 is connected with a pressure feedback interface 2, the third throttle valve 9 is connected with the pressure feedback interface Ls, the pressure feedback interface is better, the pressure is controlled by the pressure Ls and the pressure is more influenced by the pressure interface, the pressure is more than the corresponding pressure interface, the production interface is realized, the remote control interface is realized, the cost is more convenient, and the pressure is more convenient, the pressure is more than the pressure interface is more rapidly controlled, and the pressure interface is more well and the interface is more convenient, the interface.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic control system of rock drill jump bit, includes the main oil circuit, the front end of main oil circuit is equipped with oil inlet P, the rear end of main oil circuit is connected with oil-out A, its characterized in that: be connected with choke valve (1), three-position two-way solenoid valve (2), pilot operated sequence valve (3), first choke valve (6), second choke valve (7), first logic shuttle valve (8), third choke valve (9), second logic shuttle valve (11), electromagnetic proportion overflow valve (5) and fourth choke valve (12) on the main oil circuit, the main oil circuit is connected with hydraulic tank interface T through choke valve (1), pilot operated sequence valve (3) and three-position two-way solenoid valve (2), the rear end of main oil circuit is connected with electromagnetic proportion overflow valve (5) and second logic shuttle valve (11) through first choke valve (6), electromagnetic proportion overflow valve (5) are connected with hydraulic tank interface T, the end connection of second logic shuttle valve (11) has first logic shuttle valve (8).
2. A hydraulic control system of a rock drill percussion hammer according to claim 1, characterized in that: the position of the main oil way, which is close to the oil inlet P, is connected with a check valve reserved interface (4).
3. A hydraulic control system of a rock drill percussion hammer according to claim 1, characterized in that: the rear end of the main oil way is connected with a pressure sensor (10) and a pressure gauge (13) through a fourth throttle valve (12).
4. A hydraulic control system of a rock drill percussion hammer according to claim 1, characterized in that: the end part of the second logic shuttle valve (11) is connected with a pressure feedback interface Ls.
5. A hydraulic control system of a rock drill percussion hammer according to claim 1, characterized in that: the end part of the first logic shuttle valve (8) is respectively connected with a second throttling valve (7) and a third throttling valve (9), the end part of the second throttling valve (7) is connected with a pressure feedback interface Ls2, and the end part of the third throttling valve (9) is connected with a pressure feedback interface Ls1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542546.4U CN219549247U (en) | 2023-03-20 | 2023-03-20 | Hydraulic control system of rock drill impact hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320542546.4U CN219549247U (en) | 2023-03-20 | 2023-03-20 | Hydraulic control system of rock drill impact hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549247U true CN219549247U (en) | 2023-08-18 |
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ID=87733604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320542546.4U Active CN219549247U (en) | 2023-03-20 | 2023-03-20 | Hydraulic control system of rock drill impact hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549247U (en) |
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2023
- 2023-03-20 CN CN202320542546.4U patent/CN219549247U/en active Active
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