阅读说明：本技术 一种用于凿岩机和锚杆钻机切换的控制系统 (Control system for switching rock drill and jumbolter ) 是由 刘伟 王凯 张玉良 林磊 胡骞 汪锐 刘洁丽 于 2021-07-16 设计创作，主要内容包括：本发明提供了一种用于凿岩机和锚杆钻机切换的控制系统。包括泵源、油箱、切换阀组、锚杆钻机和凿岩机；所述泵源分别与切换阀组和油箱连接；所述切换阀组分别与所述锚杆钻机和凿岩机连接；所述切换阀组包括第一换向阀、回转切换阀组和冲击切换阀组；所述第一换向阀的P口与泵源连接；所述第一换向阀的A口与回转切换阀组的控制油路连接；所述第一换向阀的B口与冲击切换阀组的控制油路连接。本发明通过将凿岩机和锚杆钻机均连接至切换阀组,实现了台车的凿岩模式和锚杆模式的合理切换,实现了凿岩台车的多功能化,提升了工作效率,节约施工成本。(The invention provides a control system for switching a rock drill and a jumbolter. The system comprises a pump source, an oil tank, a switching valve group, an anchor rod drilling machine and a rock drilling machine; the pump source is respectively connected with the switching valve group and the oil tank; the switching valve group is respectively connected with the anchor rod drilling machine and the rock drilling machine; the switching valve group comprises a first reversing valve, a rotary switching valve group and an impact switching valve group; the P port of the first reversing valve is connected with a pump source; the port A of the first reversing valve is connected with a control oil way of the rotary switching valve group; and the port B of the first reversing valve is connected with a control oil way of the impact switching valve group. According to the invention, the rock drill and the anchor rod drilling machine are connected to the switching valve group, so that the reasonable switching between the rock drilling mode and the anchor rod mode of the drill jumbo is realized, the multifunction of the drill jumbo is realized, the working efficiency is improved, and the construction cost is saved.)

1. A control system for switching a rock drill and a jumbolter is characterized by comprising a pump source, an oil tank (2), a switching valve bank (3), the jumbolter (4) and the rock drill (5); the pump source is respectively connected with the switching valve group (3) and the oil tank (2); the switching valve group (3) is respectively connected with the anchor rod drilling machine (4) and the rock drilling machine (5).

2. A control system for rock drilling and jumbolter switching according to claim 1, characterized in that the switching valve block (3) comprises a first reversing valve (3.1), a swing switching valve block and an impact switching valve block; the P port of the first reversing valve (3.1) is connected with a pump source; the port A of the first reversing valve (3.1) is connected with a control oil way of the rotary switching valve group; and the port B of the first reversing valve (3.1) is connected with a control oil way of the impact switching valve group.

3. A control system for rock drilling and jumbolter switching according to claim 2, characterized in that the swing switch valve group comprises a second direction valve (3.2) and a third direction valve (3.3); the control oil paths of the second reversing valve (3.2) and the third reversing valve (3.3) are connected with a port A of the first reversing valve (3.1), a port P of the second reversing valve (3.2) is connected with a pump source, a port A of the second reversing valve (3.2) is connected with a first rotary component (4.1) in the anchor rod drilling machine (4), a port B of the second reversing valve (3.2) is connected with a second rotary component (5.1) in the rock drilling machine (5), a port A of the third reversing valve (3.3) is connected with the first rotary component (4.1), and a port B of the third reversing valve (3.3) is connected with the second rotary component (5.1).

4. A control system for rock drilling machine and jumbolter switching according to claim 2 or 3, characterized in that the impact switch valve group comprises a first logic valve (3.4), a fourth directional valve (3.5) and a second logic valve (3.6); the port B of the first logic valve (3.4) is connected with a first impact component (4.2) in the jumbolter (4) through a second logic valve (3.6); the port A of the first logic valve (3.4) is connected with a second impact part (5.2) in the rock drilling machine (5); and the control oil path of the first logic valve (3.4) and the control oil path of the fourth reversing valve (3.5) are connected with the port B of the first reversing valve (3.1), and the control oil path of the second logic valve (3.6) is connected with the port B of the fourth reversing valve (3.5).

5. A control system for rock drilling and jumbolter switching according to claim 4, characterized in that the first logic valve (3.4) and the second logic valve (3.6) are cartridge valves.

6. A control system for rock drilling and jumbolter switching according to claim 3, characterized in that the pump sources comprise a first pump source (1.1) and a second pump source (1.2); the first pump source (1.1) is connected with the first reversing valve (3.1), and the second pump source (1.2) is connected with the rotary switching valve group.

7. A control system for rock drilling and jumbolter switching according to claim 1, characterized in that the first reversing valve (3.1) is a two-position, four-way reversing valve.

8. A control system for rock drilling and jumbolter changeover according to claim 3, characterized in that the second change valve (3.2) and the third change valve (3.3) are both two-position, three-way change valves.

9. A control system for rock drilling and jumbolter switching according to claim 4, characterized in that the fourth reversing valve (3.5) is a normally closed two-position, three-way reversing valve.

10. A control system for rock drilling and jumbolter switching according to claim 3, further comprising a fifth directional control valve (6); the port A of the fifth reversing valve (6) is connected with the port P of the second reversing valve (3.2), and the port B of the fifth reversing valve (6) is connected with the port P of the third reversing valve (3.3); and a P port of the fifth reversing valve (6) is connected with a pump source, and a T port of the fifth reversing valve (6) is connected with the oil tank (2).

Technical Field

The invention relates to the technical field of hydraulic drive, in particular to a control system for switching a rock drill and a jumbolter.

Background

Along with the updating and upgrading of the rock drilling jumbo, the functions of the rock drilling jumbo are more and more, and if the rock drilling machine and the anchor rod drilling machine are arranged on the same jumbo, the rock drilling function and the anchor rod supporting function can be simultaneously realized through one jumbo; however, in the prior art, a control system for controlling and switching the rock drill and the anchor rod drilling machine simultaneously does not exist, so that the rock drilling mode and the anchor rod mode of the trolley cannot be reasonably switched, the working efficiency is low, and the construction cost is high.

In view of the above, there is a great need for a control system for switching rock drills and jumbolters that solves the problems of the prior art.

Disclosure of Invention

The invention aims to provide a control system for switching a rock drill and a jumbolter, so as to solve the problem of reasonable switching of a rock drilling mode and a jumbolter mode of the same trolley.

In order to achieve the aim, the invention provides a control system for switching a rock drill and a jumbolter, which comprises a pump source, an oil tank, a switching valve group, the jumbolter and the rock drill; the pump source is respectively connected with the switching valve group and the oil tank; and the switching valve group is respectively connected with the anchor rod drilling machine and the rock drilling machine.

Preferably, the switching valve group comprises a first reversing valve, a rotary switching valve group and an impact switching valve group; the P port of the first reversing valve is connected with a pump source; the port A of the first reversing valve is connected with a control oil way of the rotary switching valve group; and the port B of the first reversing valve is connected with a control oil way of the impact switching valve group.

Preferably, the slewing switching valve group comprises a second reversing valve and a third reversing valve; the control oil passages of the second reversing valve and the third reversing valve are connected with an A port of the first reversing valve, a P port of the second reversing valve is connected with a pump source, the A port of the second reversing valve is connected with a first rotary component in the jumbolter, a B port of the second reversing valve is connected with a second rotary component in the jackdrill, the A port of the third reversing valve is connected with the first rotary component, and the B port of the third reversing valve is connected with the second rotary component.

Preferably, the impact switching valve group comprises a first logic valve, a fourth reversing valve and a second logic valve; the port B of the first logic valve is connected with a first impact component in the jumbolter through a second logic valve; the port A of the first logic valve is connected with a second impact component in the rock drilling machine; and the control oil path of the first logic valve and the control oil path of the fourth reversing valve are connected with the port B of the first reversing valve, and the control oil path of the second logic valve is connected with the port B of the fourth reversing valve.

Preferably, the first logic valve and the second logic valve are cartridge valves.

Preferably, the pump source comprises a first pump source and a second pump source; the first pump source is connected with the first reversing valve, and the second pump source is connected with the rotary switching valve group.

Preferably, the first reversing valve is a two-position four-way reversing valve.

Preferably, the second reversing valve and the third reversing valve are both two-position three-way reversing valves.

Preferably, the fourth reversing valve is a normally closed two-position three-way reversing valve.

Preferably, the control system for switching rock drills and jumbolters further comprises a fifth reversing valve; the port A of the fifth reversing valve is connected with the port P of the second reversing valve, and the port B of the fifth reversing valve is connected with the port P of the third reversing valve; and a P port of the fifth reversing valve is connected with a pump source, and a T port of the fifth reversing valve is connected with an oil tank.

The technical scheme of the invention has the following beneficial effects:

(1) according to the invention, the rock drill and the anchor rod drilling machine are connected to the switching valve group, so that the rock drilling mode and the anchor rod mode of the trolley are reasonably switched, the multifunction of the rock drilling trolley is realized, the working efficiency is improved, and the construction cost is saved.

(2) According to the invention, the first reversing valve is respectively connected with the control oil way of the rotary switching valve group and the control oil way of the impact switching valve group, so that the control of the rotary switching valve group and the impact switching valve group is realized through the first reversing valve.

(3) According to the invention, the rotary switching valve group comprises a second reversing valve and a third reversing valve, a P port of the second reversing valve is connected with a pump source, an A port of the second reversing valve is connected with a first rotary component in the jumbolter, a B port of the second reversing valve is connected with a second rotary component in the rock drill, an A port of the third reversing valve is connected with the first rotary component, and a B port of the third reversing valve is connected with the second rotary component, so that the first rotary component of the jumbolter and the second rotary component of the rock drill are driven.

(4) In the invention, the impact switching valve group comprises a first logic valve, a fourth reversing valve and a second logic valve; the port B of the first logic valve is connected with a first impact component in the jumbolter through a second logic valve; the port A of the first logic valve is connected with a second impact component in the rock drill; and the control oil path of the first logic valve and the control oil path of the fourth reversing valve are connected with the port B of the first reversing valve, and the control oil path of the second logic valve is connected with the port B of the fourth reversing valve so as to drive the first impact component of the jumbolter and the second impact component of the rock drill.

(5) In the invention, the first logic valve is a cartridge valve with larger through-flow capacity and is connected with the impact component II of the rock drill with higher requirement on the through-flow capacity; the second logic valve is a cartridge valve with smaller flow capacity and is connected with the impact part I of the jumbolter with smaller flow capacity requirement, so that the working requirements of the impact part I and the impact part II can be met.

(6) According to the invention, the pump source comprises the first pump source and the second pump source with different displacements, so that different working requirements of the rotary part and the impact part can be met.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, 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 diagram of a control system for rock drill and jumbolter switching according to an embodiment of the present application;

the hydraulic control system comprises a first pump source 1.1, a second pump source 1.2, a second pump source 2, an oil tank 3, a switching valve group 3.1, a first reversing valve 3.2, a second reversing valve 3.3, a third reversing valve 3.4, a first logic valve 3.5, a fourth reversing valve 3.6, a second logic valve 4, a jumbolter 4.1, a rotary component I, a rotary component II, a rotary component 6 and a fifth reversing valve 5.1.

Detailed Description

Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example (b):

referring to fig. 1, the present embodiment is applied to the control and switching of the actions of the implement components of a rock-drilling rig with a jumbolter.

A control system for switching a rock drill and a jumbolter comprises a pump source, an oil tank 2, a switching valve group 3, a jumbolter 4 and a rock drill 5; referring to fig. 1, the pump source is respectively connected with a switching valve group 3 and an oil tank 2 to provide hydraulic driving power for a control system; and the switching valve group 3 is respectively connected with the jumbolter 4 and the rock drill 5 and used for realizing the function switching of the rock drill and the jumbolter.

The switching valve group 3 comprises a first reversing valve 3.1, a rotary switching valve group and an impact switching valve group; the P port of the first reversing valve 3.1 is connected with a pump source; the port A of the first reversing valve 3.1 is connected with a control oil way of the rotary switching valve group; and the port B of the first reversing valve 3.1 is connected with a control oil way of the impact switching valve group and used for controlling the rotary switching valve group and the impact switching valve group through the first reversing valve 3.1.

In this embodiment, the first direction valve 3.1 is a two-position four-way electromagnetic direction valve, and is located at the right position when the first direction valve 3.1 is not powered and is located at the left position when the first direction valve 3.1 is powered.

The rotary switching valve group comprises a second reversing valve 3.2 and a third reversing valve 3.3; the control oil passages of the second reversing valve 3.2 and the third reversing valve 3.3 are connected with an A port of the first reversing valve 3.1, a P port of the second reversing valve 3.2 is connected with a pump source, an A port of the second reversing valve 3.2 is connected with a first rotary component 4.1 in the jumbolter 4, a B port of the second reversing valve 3.2 is connected with a second rotary component 5.1 in the rock drill 5, an A port of the third reversing valve 3.3 is connected with the first rotary component 4.1, and a B port of the third reversing valve 3.3 is connected with the second rotary component 5.1 to drive the first rotary component 4.1 of the jumbolter 4 and the second rotary component 5.1 of the rock drill 5. Referring to fig. 1, the control oil paths on the right sides of the second reversing valve 3.2 and the third reversing valve 3.3 are connected with the oil tank 2, so that the second reversing valve 3.2 and the third reversing valve 3.3 can be reset under the action of spring force.

And the second reversing valve 3.2 and the third reversing valve 3.3 are both hydraulically controlled two-position three-way reversing valves.

The impact switching valve group comprises a first logic valve 3.4, a fourth reversing valve 3.5 and a second logic valve 3.6; the port B of the first logic valve 3.4 is connected with a first impact part 4.2 in the jumbolter 4 through a second logic valve 3.6; the port A of the first logic valve 3.4 is connected with a second impact part 5.2 in the rock drilling machine 5; the control oil path of the first logic valve 3.4 and the control oil path of the fourth reversing valve 3.5 are connected with the port B of the first reversing valve 3.1, and the control oil path of the second logic valve 3.6 is connected with the port B of the fourth reversing valve 3.5, so that the first impact part 4.2 of the jumbolter 4 and the second impact part 5.2 of the rock drill 5 are driven. In the embodiment, the first logic valve 3.4 adopts a cartridge valve with larger through-flow capacity and is connected with a second impact component 5.2 of the rock drilling machine 5 with higher requirement on the through-flow capacity (the requirement on the flow of the second impact component 5.2 of the rock drilling machine is 105L/min); the second logic valve 3.6 is a cartridge valve with a lower flow capacity and is connected to the impact part one 4.2 of the jumbolter 4, which has a lower flow capacity requirement (the flow requirement of the impact part one 4.2 of the jumbolter is 70L/min).

In this embodiment, the fourth direction valve 3.5 is a normally closed two-position three-way direction valve, and the port a and the control oil path of the fourth direction valve 3.5 are both connected to the port B of the first direction valve 3.1, so as to control the action of the fourth direction valve 3.5 through the first direction valve 3.1.

The pump sources in the embodiment comprise a first pump source 1.1 and a second pump source 1.2 with different displacements; the first pump source 1.1 is connected with a P port of the first reversing valve 3.1, the second pump source 1.2 is connected with the rotary switching valve group, the rotary part and the impact part are respectively driven by the two pump sources, and the control is simple and convenient.

The control system for switching the rock drill and the jumbolter further comprises a fifth reversing valve 6; the port A of the fifth reversing valve 6 is connected with the port P of the second reversing valve 3.2, and the port B of the fifth reversing valve 6 is connected with the port P of the third reversing valve 3.3; and a P port of the fifth reversing valve 6 is connected with the second pump source 1.2, and a T port of the fifth reversing valve 6 is connected with the oil tank 2, so that the switching of the forward rotation working state and the reverse rotation working state of the first rotating part 4.1 and the second rotating part 5.1 is realized. In this embodiment, the fifth directional valve 6 is a two-position four-way electromagnetic directional valve, the rotary member rotates forward when the fifth directional valve 6 is in the default position, and rotates backward when the fifth directional valve 6 is in the left position.

The use method of the control system for switching the rock drilling machine and the jumbolter is as follows: when the rock drill 5 needs to be driven to work, the first reversing valve 3.1 is not powered, the first reversing valve 3.1 is positioned at the right position, oil of the first pump source 1.1 flows to control oil passages of a second reversing valve 3.2 and a third reversing valve 3.3 in a rotary switching valve group through the first reversing valve 3.1, the second reversing valve 3.2 and the third reversing valve 3.3 are positioned at the left position, and at the moment, the oil of the second pump source 1.2 flows to a second rotary part 5.1 of the rock drill 5 through the second reversing valve 3.2 to drive a second rotary part 5.1 to work; meanwhile, pressure oil at an X port of the first logic valve 3.4 flows to the oil tank 2 through a T port of the first reversing valve 3.1, the fourth reversing valve 3.5 is in a right position, and the second logic valve 3.6 is in a closed state, so that oil of the first pump source 1.1 can only flow to an A port from a B port of the first logic valve 3.4 and then flows to an impact part II 5.2 of the rock drill 5 to drive the impact part II 5.2 to work;

when the jumbolter 4 needs to be driven to work, the first reversing valve 3.1 is electrified, the first reversing valve 3.1 is in the left position, oil in a control oil way of the second reversing valve 3.2 and the third reversing valve 3.3 flows back to the oil tank 2 through a T port of the first reversing valve 3.1, the second reversing valve 3.2 and the third reversing valve 3.3 are in the right position, and the oil in the second pump source 1.2 flows to a first rotary component 4.1 of the jumbolter 4 through the second reversing valve 3.2 to drive the first rotary component 4.1 to work; meanwhile, oil of the first pump source 1.1 flows to an X port of the first logic valve 3.4 through a B port of the first reversing valve 3.1, so that an A port and a B port of the first logic valve 3.4 are disconnected; meanwhile, oil of the first pump source 1.1 flows to a port A of a fourth reversing valve 3.5 through a port B of the first reversing valve 3.1 and further flows into a control oil way of the fourth reversing valve 3.5, so that the fourth reversing valve 3.5 is in a left position, the oil of the first pump source 1.1 flows to a control oil way of a second logic valve 3.6 through the port B of the fourth reversing valve 3.5, the second logic valve 3.6 is opened, the oil flows to an impact part I4.2 of the jumbolter 4 through the second logic valve 3.6, and the impact part I4.2 is driven to work.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.