CN209976930U - Pushing pressure setting system based on drill jumbo - Google Patents
Pushing pressure setting system based on drill jumbo Download PDFInfo
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- CN209976930U CN209976930U CN201920680965.8U CN201920680965U CN209976930U CN 209976930 U CN209976930 U CN 209976930U CN 201920680965 U CN201920680965 U CN 201920680965U CN 209976930 U CN209976930 U CN 209976930U
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- drill jumbo
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Abstract
The utility model provides a propulsion pressure setting system based on drill jumbo, belong to drill jumbo equipment field, including electric handle, PLC controller, electric proportional relief valve, the sensitive proportional valve of load and hydraulic actuator, electric handle is connected with the input of PLC controller, the output of PLC controller is connected with the input of electric proportional relief valve, the output of electric proportional relief valve is connected with the pressure control input of the sensitive proportional valve of load, two interfaces of the sensitive proportional valve of load are connected with oil inlet, the oil-out of hydraulic actuator respectively; the utility model provides a current drilling jumbo's propulsion pressure set system complicated, the trouble hidden danger is many, maintains difficulty and problem with high costs.
Description
The technical field is as follows:
the utility model belongs to drill jumbo equipment field, concretely relates to impel pressure setting system based on drill jumbo.
Background art:
the drill jumbo is widely applied to open-pit and underground mining and engineering construction. When the drill jumbo works, various propelling pressures of hole drilling propelling, quick hole washing, quick retreating, automatic drill rod connecting and automatic drill rod disassembling are required to meet propelling force requirements during various actions. The drill jumbo can not obtain the corresponding propulsion pressure of various movements, can appear that the drilling tool consumes greatly, work efficiency low grade problem. In the prior art, overflow valves set correspondingly are connected into a system by adopting each pressure, and are switched by using reversing valves, so that the control system is complex and high in cost, and the fault occurrence probability is high and the maintenance is difficult.
The utility model has the following contents:
the utility model aims at the problem that above-mentioned exists, provide a propulsion pressure setting system based on drill jumbo.
The above purpose is realized by the following technical scheme:
the utility model provides a propulsion pressure sets for system based on drill jumbo, includes electric handle, the PLC controller, electric proportional relief valve, the sensitive proportional valve of load and hydraulic actuator, and electric handle is connected with the input of PLC controller, and the output of PLC controller is connected with the input of electric proportional relief valve, and the output of electric proportional relief valve is connected with the pressure control input of the sensitive proportional valve of load, and two interfaces of the sensitive proportional valve of load are connected with hydraulic actuator's oil inlet, oil-out respectively.
Further, the hydraulic actuator is an oil cylinder or a hydraulic motor.
Compared with the prior art, the beneficial effects of the utility model are that: the problems of complex propulsion pressure setting system, multiple fault hidden dangers, difficult maintenance and high cost of the conventional rock drilling jumbo are solved.
Description of the drawings:
the accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the installation relationship of the present invention on a drill jumbo;
FIG. 3 is an installation schematic diagram of an electric handle, a PLC controller, an electric proportional relief valve and a load-sensitive proportional valve;
reference numerals: 1. an electric handle; 2. a PLC controller; 3. an electric proportional relief valve; 4. a load-sensitive proportional valve; 5. a hydraulic actuator; 6. a drill jumbo.
The specific implementation mode is as follows:
as shown in fig. 1-3, a propulsion pressure setting system based on a drill jumbo comprises an electric handle 1, a PLC controller 2, an electric proportional relief valve 3, a load-sensitive proportional valve 4 and a hydraulic actuator 5, wherein the electric handle 1 is connected with an input end of the PLC controller 2, an output end of the PLC controller 2 is connected with an input end of the electric proportional relief valve 3, an output end of the electric proportional relief valve 3 is connected with a pressure control input end of the load-sensitive proportional valve 4, and two interfaces of the load-sensitive proportional valve are respectively connected with an oil inlet and an oil outlet of the hydraulic actuator.
Wherein, the hydraulic actuator 5 is an oil cylinder or a hydraulic motor.
The electric handle 1 sends a propelling action characteristic command to the PLC 2, the PLC 2 sends a corresponding control current value to the electric proportional overflow valve 3 after receiving a relevant command, the electric proportional overflow valve 3 controls the load sensitive proportional valve 4 to output corresponding propelling pressure to the hydraulic actuating mechanism 5, and output of tapping propelling pressure, drilling propelling pressure, quick auxiliary action propelling pressure, drill rod connecting propelling pressure and drill rod unloading propelling pressure is achieved.
The entire propulsion pressure setting system is mounted on the rock drilling rig 6.
The propulsion pressure setting system based on the drill jumbo solves the problems that an existing propulsion pressure setting system of the drill jumbo is complex, has multiple fault hidden dangers, is difficult to maintain and is high in cost.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (2)
1. A propulsion pressure setting system based on a drill jumbo is characterized in that: the electric proportional control device comprises an electric handle, a PLC (programmable logic controller), an electric proportional overflow valve, a load sensitive proportional valve and a hydraulic actuating mechanism, wherein the electric handle is connected with the input end of the PLC, the output end of the PLC is connected with the input end of the electric proportional overflow valve, the output end of the electric proportional overflow valve is connected with the pressure control input end of the load sensitive proportional valve, and two interfaces of the load sensitive proportional valve are respectively connected with an oil inlet and an oil outlet of the hydraulic actuating mechanism.
2. A jack-up rig based propulsion pressure setting system as claimed in claim 1, wherein: the hydraulic actuating mechanism is an oil cylinder or a hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680965.8U CN209976930U (en) | 2019-05-13 | 2019-05-13 | Pushing pressure setting system based on drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680965.8U CN209976930U (en) | 2019-05-13 | 2019-05-13 | Pushing pressure setting system based on drill jumbo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976930U true CN209976930U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920680965.8U Active CN209976930U (en) | 2019-05-13 | 2019-05-13 | Pushing pressure setting system based on drill jumbo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209976930U (en) |
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2019
- 2019-05-13 CN CN201920680965.8U patent/CN209976930U/en active Active
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