阅读说明：本技术 一种全新多功能定向钻机液压系统 (Brand-new multifunctional directional drilling machine hydraulic system ) 是由 高志 董然 张志斌 王艳丹 付卫坤 王波 王强 于 2021-08-18 设计创作，主要内容包括：本发明属于钻机液压系领域,尤其是一种全新多功能定向钻机液压系统,针对现有的缺少单动控制,造成了设备在调试、维修、上卸杆方面很多不方便问题,现提出如下方案,其包括泵,所述泵连接有系统模式切换阀组,所述系统模式切换阀组连接有限压调速阀组和系统主阀,所述系统主阀连接有回转装置制动器、起下钻切换阀组、手动操作阀组、回转马达、操作手柄、油缸给进阀组、前夹持器和盘夹持器,本发明能提高钻机打钻效率,又能适合维修,调试等工况,大大提高定向钻机的工作效率,提高安全性,同时降低设备操作复杂性,增强系统的可操作性,同时又最大限度保护钻杆的螺扣不受损伤,提高钻杆的使用寿命。(The invention belongs to the field of drilling machine hydraulic systems, in particular to a brand-new multifunctional directional drilling machine hydraulic system, which aims at solving the problems of the prior art that the equipment is inconvenient to debug, maintain and unload rods due to the lack of single-action control, and the scheme is provided, wherein the system comprises a pump, the pump is connected with a system mode switching valve group, the system mode switching valve group is connected with a pressure-limiting speed regulating valve group and a system main valve, and the system main valve is connected with a slewing gear brake, a tripping switching valve group, a manual operation valve group, a slewing motor, an operating handle, an oil cylinder feeding valve group, a front clamp and a disc clamp. The service life of the drill rod is prolonged.)

1. The utility model provides a brand-new multi-functional directional drilling machine hydraulic system, includes pump (1), its characterized in that, pump (1) is connected system mode switching valves (2), system mode switching valves (2) are connected with voltage limiting speed governing valves (9) and system main valve (5), system main valve (5) are connected with slewer stopper (6), trip switch valves (3), manual operation valves (4), slewing motor (7), operating handle (8), hydro-cylinder feeding valves (10), preceding holder (11) and dish holder (12).

2. The hydraulic system of a brand new multifunctional directional drilling machine as claimed in claim 1, wherein the operating handle (8) comprises a mounting seat (13), a handle rod (14) is arranged on the mounting seat (13), a handle (15) is fixedly arranged at the top of the handle rod (14), a fixing plate (20) is fixedly arranged at the top of the mounting seat (13), a locking mechanism is arranged on the handle rod (14), and a warning mechanism is arranged on the fixing plate (20).

3. The hydraulic system of a brand new multifunctional directional drilling machine as claimed in claim 2, wherein the locking mechanism comprises a locking block (23), the handle lever (14) is provided with a sliding groove (22), the locking block (23) is slidably mounted in the sliding groove (22), one side of the fixing plate (20) is provided with a locking groove (24), and one end of the locking block (23) is clamped with the locking groove (24).

4. The novel multifunctional directional drilling machine hydraulic system according to claim 2, characterized in that a reset groove (16) is formed in the handle (15), a button (17) is slidably mounted in the reset groove (16), a reset spring (18) and a transmission rod (19) are fixedly mounted at the bottom of the button (17), and the bottom end of the reset spring (18) is fixedly connected with the inner wall of the bottom of the reset groove (16).

5. The hydraulic system of a brand-new multifunctional directional drilling machine as claimed in claim 4, characterized in that a rack (21) is fixedly installed at the bottom of the transmission rod (19), a gear (26) is engaged on the rack (21), a screw (25) is fixedly installed at the inner ring of the gear (26), the screw (25) is rotatably installed in the sliding groove (22), and the screw (25) is engaged with the locking block (23).

6. The hydraulic system of the brand-new multifunctional directional drilling machine as claimed in claim 2, characterized in that the warning mechanism comprises a warning lamp (32), and the warning lamp (32) is fixedly arranged on the top of the fixing plate (20).

7. The hydraulic system of a brand-new multifunctional directional drilling machine as claimed in claim 6, wherein the warning light (32) is connected with a first conductive block (31) through a lead, a moving groove is formed in the inner wall of one side of the locking groove (24), a moving block (27) is slidably mounted in the moving groove, one side of the moving block (27) is in contact with the locking block (23), one end of a spring (28) is fixedly mounted on the other side of the moving block (27), and the other end of the spring (28) is fixedly connected with the inner wall of one side of the moving groove.

8. The hydraulic system of a brand new multifunctional directional drilling machine as claimed in claim 7, wherein an installation groove is formed in the inner wall of the top of the moving groove, an installation block (29) is slidably installed in the installation groove, a second conductive block (30) is fixedly installed on one side of the installation block (29), the bottom of the installation block (29) is fixedly connected with the top of the moving block (27), a power supply is arranged on the fixing plate (20), and the second conductive block (30), the warning light (32), the power supply and the first conductive block (31) are sequentially connected.

Technical Field

The invention relates to the technical field of drilling machine hydraulic systems, in particular to a brand-new multifunctional directional drilling machine hydraulic system.

Background

The hydraulic system for the crawler-type hydraulic tunnel directional drilling machine for the coal mine is characterized in that the action of a front clamp and a rear clamp is independently controlled at present, the rotation of a motor and a clamp holder are independently controlled, and the screwing-on floating and the screwing-off jogging are independently controlled.

A few enterprises in the current market design linkage control of a hydraulic system of a drilling machine aiming at the conditions, but only the linkage function enables the use efficiency of the drilling machine to be properly improved, but the equipment is inconvenient in debugging, maintenance and rod loading and unloading due to the lack of single-action control.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, single-action control is lacked, so that the equipment is inconvenient to debug, maintain and mount and dismount rods, and provides a novel multifunctional directional drilling machine hydraulic system.

In order to achieve the purpose, the invention adopts the following technical scheme:

a brand new multifunctional directional drilling machine hydraulic system comprises a pump, wherein the pump is connected with a system mode switching valve group, the system mode switching valve group is connected with a pressure limiting speed regulating valve group and a system main valve, and the system main valve is connected with a slewing gear brake, a tripping switching valve group, a manual operation valve group, a slewing motor, an operating handle, an oil cylinder feeding valve group, a front clamp and a disc clamp.

The port a5 of the F5 valve core of the system main valve 5 supplies oil, the valve is in a drilling mode, a handle of a feeding oil cylinder is pushed to enable the oil cylinder to advance, at the moment, a front clamp is automatically opened, and a rear clamp is automatically clamped; otherwise, the oil cylinder is retreated, the front clamp is automatically clamped, and the rear clamp is automatically opened; if the b5 port of the F5 valve core supplies oil, the valve is in a drill tripping mode, a handle of a feeding oil cylinder is pushed to enable the oil cylinder to retreat, at the moment, a front clamp is automatically opened, and a rear clamp is automatically clamped; otherwise, the oil cylinder is made to advance, the front clamp is automatically clamped, and the rear clamp is automatically opened; the oil is supplied from the port X, the highest pressure of the main pump is limited by the set pressure of the pressure reducing valve, so that the screw thread of the drill rod is protected from being damaged, the oil is supplied from the port a6 of the valve core of F6, the linkage function is failed, and the front clamp is in an independent control mode; the port a7 of the F7 valve core supplies oil, the linkage function is invalid, and the rear clamp is in an independent control mode.

Preferably, operating handle includes the mount pad, is equipped with the handle bar on the mount pad, and the top fixed mounting of handle bar has the handle, the top fixed mounting of mount pad has the fixed plate, is equipped with locking mechanism on the handle bar, is equipped with warning mechanism on the fixed plate.

Preferably, the locking mechanism comprises a locking block, a sliding groove is formed in the handle rod, the locking block is slidably mounted in the sliding groove, a locking groove is formed in one side of the fixing plate, and one end of the locking block is clamped with the locking groove.

Preferably, the handle is provided with a reset groove, the reset groove is internally and slidably provided with a button, the bottom of the button is fixedly provided with a reset spring and a transmission rod, and the bottom end of the reset spring is fixedly connected with the inner wall of the bottom of the reset groove.

Preferably, a rack is fixedly mounted at the bottom of the transmission rod, a gear is meshed with the rack, a screw is fixedly mounted on an inner ring of the gear, the screw is rotatably mounted in the chute, and the screw is meshed with the locking block.

Preferably, the warning mechanism comprises a warning lamp, and the warning lamp is fixedly mounted at the top of the fixing plate.

Preferably, the warning light is connected with a first conductive block through a wire, a moving groove is formed in the inner wall of one side of the locking groove, a moving block is slidably mounted in the moving groove, one side of the moving block is in contact with the locking block, one end of a spring is fixedly mounted on the other side of the moving block, and the other end of the spring is fixedly connected with the inner wall of one side of the moving groove.

Preferably, an installation groove is formed in the inner wall of the top of the movable groove, an installation block is slidably installed in the installation groove, a second conductive block is fixedly installed on one side of the installation block, the bottom of the installation block is fixedly connected with the top of the movable block, a power supply is arranged on the fixed plate, and the second conductive block, the warning lamp, the power supply and the first conductive block are sequentially connected.

Compared with the prior art, the invention has the beneficial effects that:

1. the linkage action mode that the front clamp holder and the rear clamp holder are matched with the feed oil cylinder to move back and forth makes up the defects that the traditional drilling machine only can be controlled by single action and has low efficiency and complex operation, effectively improves the service efficiency of the drilling machine, and meets the requirement of high efficiency of the directional drilling machine in mines and oil exploitation;

2. the slow rotation control is added, the problem that the precision of adjusting the angle of the drill bit is low when the direction of the deep hole drill bit is deviated in the traditional directional drilling machine is solved, the operability of a product is improved, the control precision of the angle adjustment of the drill bit is greatly improved, and the operation difficulty is greatly simplified;

3. the mode of buckling the drill rod of the traditional drilling machine is optimized, so that the buckling and the unbuckling of the drill rod are all realized by one-key operation, the handle of the upper buckle is pushed, the motor automatically rotates forwards at a proper speed, the feeding oil cylinder is automatically in a floating state, the maximum pressure of the main pump is automatically limited, and the rotary motor is automatically switched to a maximum output torque mode; the shackle handle is pushed, the motor automatically reverses at a proper speed, the feeding oil cylinder automatically moves backwards at a speed matched with the thread pitch of the drill rod, and the rotary motor is automatically switched to a maximum output torque mode; therefore, the control can not only reduce the complexity of operation, but also fix the rotating speed of the motor for loading and unloading the rod and the advancing and retreating speeds of the feeding oil cylinder, ensure the optimal matching, furthest reduce the damage of the drill rod buckle type and greatly improve the service life of the drill rod.

4. The valve group integrates the single-action function of the front and rear clampers in consideration of the requirements of special working conditions such as maintenance and debugging of the drilling machine on the single-action mode; single-action control of the front gripper and the rear gripper can be realized through control of two valve cores F6 and F7;

5. and meanwhile, the linkage and single-action functions have an interlocking function, so that the use safety and reliability of the product are ensured.

The invention can improve the drilling efficiency of the drilling machine, is also suitable for the working conditions of maintenance, debugging and the like, greatly improves the working efficiency of the directional drilling machine, improves the safety, simultaneously reduces the operation complexity of equipment, enhances the operability of a system, simultaneously protects the screw buckle of the drill rod from being damaged to the maximum extent, and prolongs the service life of the drill rod.

Drawings

FIG. 1 is a schematic diagram of a novel multifunctional directional drilling machine hydraulic system according to the present invention;

FIG. 2 is a schematic structural diagram of an operating handle of a hydraulic system of a brand-new multifunctional directional drilling machine according to the present invention;

FIG. 3 is an enlarged schematic structural view of part A in FIG. 2 of a novel multifunctional directional drilling machine hydraulic system provided by the invention;

fig. 4 is a circuit diagram of the second conductive block, the warning light, the power supply and the first conductive block of the hydraulic system of the brand-new multifunctional directional drilling machine provided by the invention.

In the figure: 1. a pump; 2. a system mode switching valve bank; 3. tripping switching valve group; 4. a manually operated valve block; 5. a system main valve; 6. a slewing gear brake; 7. a rotary motor; 8. an operating handle; 9. a pressure-limiting speed-regulating valve bank; 10. an oil cylinder feeding valve group; 11. a front gripper; 12. a chuck holder; 13. a mounting seat; 14. a handle bar; 15. a handle; 16. a reset groove; 17. a button; 18. a return spring; 19. a transmission rod; 20. a fixing plate; 21. a rack; 22. a chute; 23. a locking block; 24. a locking groove; 25. a screw; 26. a gear; 27. a moving block; 28. a spring; 29. mounting blocks; 30. a second conductive block; 31. a first conductive block; 32. a warning light.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a brand new multifunctional directional drilling machine hydraulic system comprises a pump 1, wherein the pump 1 is connected with a system mode switching valve group 2, the system mode switching valve group 2 is connected with a pressure limiting speed regulating valve group 9 and a system main valve 5, and the system main valve 5 is connected with a slewing gear brake 6, a tripping switching valve group 3, a manual operation valve group 4, a slewing motor 7, an operating handle 8, an oil cylinder feeding valve group 10, a front clamp 11 and a disc clamp 12;

the pump 1: the constant-pressure variable pump is used as a power element of the whole hydraulic system; system mode switching valve group 2: the switching valve group is responsible for switching a traveling mechanism/a supporting device/a drilling mode and switching a linkage/single-action mode of a directional drilling machine of a conventional drilling machine; the tripping switching valve group 3 is responsible for switching tripping/tripping modes in a linkage state; manual operation of the valve group 4: controlling work feeding, screwing on and unscrewing, single-acting front and back clamps, and the like; a main valve group of a system main valve 5, which is a main valve for completing all actions of the whole system in a drilling state; slewing device brake 6: the power head motor brake part is not provided with a brake; the rotation motor 7: a power head rotary motor; the operating handle 8: controlling a rotary motor to rotate fast, rotate slowly and feed fast; pressure limiting and speed regulating valve group 9: and the pressure-limiting speed-regulating valve group controls the maximum output pressure of the pump when the drill rod is buckled.

When in use: 1. connecting all the valve groups through hoses according to a schematic diagram, wherein all the rubber pipe joints adopt a 24-degree conical sealing form; 2. the operation table is divided into different functional areas according to functions, namely a directional drilling area, a conventional drilling area, a switching control area and a public area; 3. under the working condition of conventional drilling, the handle of the switching valve group is pushed to a 'conventional drilling' mode according to the indication of a sign, and at the moment, the handle of the drilling is lifted and lowered according to the indication of the sign, so that the system processes a linkage operation state, and the front clamp and the rear clamp move back and forth along with the feeding oil cylinder to realize automatic clamping and loosening; and pushing the handle of the switching valve group to a directional drilling mode according to the indication of the sign, wherein the linkage function of the system fails, and the front and rear grippers are in an independent operation mode.

The invention has three modes of switching a traveling mechanism/a supporting device/drilling, switching a tripping mode/a drilling mode, switching single action/linkage, having a motor slow rotation function, having a function of independent action of a front clamper and a rear clamper, having a feeding oil cylinder screwing up floating function, having a screwing off micro-motion function, having a drill rod screwing up floating main pump pressure limiting function, and simultaneously realizing the interlocking function of conventional drilling and directional drilling.

The invention is different from the existing directional drilling machine hydraulic system, adopts the load sensitive function, each main execution valve plate is provided with a pressure compensator, has the functions of slow angle modulation, clamping and rotating linkage, clamp holder and chuck transfer control and linkage control, and in addition, has the functions of floating of an upper drill rod feeding mechanism and micro-motion retreating of a lower drill rod feeding mechanism, and has a main pump low-pressure control loop when the drill rod is loaded, thereby protecting the drill rod thread buckle from being damaged due to overhigh system pressure. Effectively solving the problem of damaging the fastener of the upper and lower drill rods.

In the invention, the operating handle 8 comprises an installation seat 13, a handle rod 14 is arranged on the installation seat 13, a handle 15 is fixedly arranged on the top of the handle rod 14, a fixing plate 20 is fixedly arranged on the top of the installation seat 13, a locking mechanism is arranged on the handle rod 14, and a warning mechanism is arranged on the fixing plate 20.

In the invention, the locking mechanism comprises a locking block 23, a sliding groove 22 is formed on the handle lever 14, the locking block 23 is slidably arranged in the sliding groove 22, a locking groove 24 is formed on one side of the fixing plate 20, and one end of the locking block 23 is clamped with the locking groove 24.

In the invention, a reset groove 16 is formed on a handle 15, a button 17 is slidably mounted in the reset groove 16, a reset spring 18 and a transmission rod 19 are fixedly mounted at the bottom of the button 17, and the bottom end of the reset spring 18 is fixedly connected with the inner wall of the bottom of the reset groove 16.

In the invention, a rack 21 is fixedly arranged at the bottom of the transmission rod 19, a gear 26 is meshed on the rack 21, a screw 25 is fixedly arranged on the inner ring of the gear 26, the screw 25 is rotatably arranged in the chute 22, and the screw 25 is meshed with the locking block 23.

In the present invention, the warning mechanism includes a warning light 32, and the warning light 32 is fixedly mounted on the top of the fixing plate 20.

In the invention, the warning light 32 is connected with the first conductive block 31 through a lead, a moving groove is formed on the inner wall of one side of the locking groove 24, a moving block 27 is slidably mounted in the moving groove, one side of the moving block 27 is in contact with the locking block 23, one end of a spring 28 is fixedly mounted on the other side of the moving block 27, and the other end of the spring 28 is fixedly connected with the inner wall of one side of the moving groove.

In the invention, an installation groove is formed on the inner wall of the top of the moving groove, an installation block 29 is slidably installed in the installation groove, a second conductive block 30 is fixedly installed on one side of the installation block 29, the bottom of the installation block 29 is fixedly connected with the top of the moving block 27, a power supply is arranged on the fixed plate 20, and the second conductive block 30, the warning lamp 32, the power supply and the first conductive block 31 are sequentially connected.

In the invention, the locking block 23 is clamped in the locking groove 24 to lock the handle rod 14 and prevent misoperation, when the handle rod 14 is needed to be used, the button 17 is pressed, the button 17 presses the return spring 18 and drives the transmission rod 19 to move downwards, the transmission rod 19 drives the rack 21 to move downwards, the rack 21 drives the gear 26 to rotate, the gear 26 drives the screw 25 to rotate, the screw 25 rotates to enable the locking block 23 to be separated from the locking groove 24 rightwards, the fixing on the handle rod 14 is released, meanwhile, the locking block 23 releases the pressing on the moving block 27, the spring 28 releases the contraction state, the moving block 27 moves rightwards, the moving block 27 drives the mounting block 29 to move rightwards, the second conductive block 30 on the mounting block 29 is enabled to be in contact with the first conductive block 31 rightwards, the warning lamp 32 is electrified and lightened, and people are warned, and the handle rod 14 does not enter the locking state.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.