CN214659908U - An intelligent hydraulic impact drilling rig with stress testing device - Google Patents

Abstract

The utility model relates to the field of impact drilling rig equipment, in particular to an intelligent hydraulic impact drilling rig with a stress testing device. A central control system is installed on the whole machine. The top of the frame is provided with a central control room, a support structure and a hydraulic hoist, the rope on the hydraulic hoist is connected with a drill bit through the support structure, and the bottom of the drill bit is provided with a number of stress strain gauges, the periphery of the stress strain gauge Cemented carbide protective parts are provided, the stress strain gauge is communicatively connected to a central control system, and the operation end of the central control system is arranged in the central control room. The utility model can effectively break through the bottleneck in the construction of large-scale offshore wind power concave rock pile foundations and super-large bridge concave rock pile foundations, and can effectively reduce costs and improve efficiency.

Description

An intelligent hydraulic impact drilling rig with stress testing device

technical field

The utility model relates to the field of impact drilling rig equipment, in particular to an intelligent hydraulic impact drilling rig with a stress testing device.

Background technique

With the development of offshore wind power and bridge construction, the diameter of a single pile foundation has reached 4-7 meters, and the diameter of a single pile of offshore wind power has exceeded 7 meters. However, for rock geology, there is currently no drilling machine that can make holes at one time, with low work efficiency, high construction cost and high labor intensity, which has seriously affected the development of offshore wind power and bridge construction; at the same time, the drilling process control, Most of them are based on experience, and cannot realize the intelligent control of the coupling of rock strength and impact force; most of the existing equipment is mechanical and hydraulic, with fixed stroke, which is far from being able to meet the foundation construction of large-diameter concave rock piles. Therefore, there is an urgent need to develop an intelligent hydraulic impact drilling rig with a stress testing device.

Utility model content

The technical problem to be solved by the utility model is to overcome the defects of the above-mentioned technologies and provide an intelligent hydraulic impact drilling rig with a stress testing device.

An intelligent hydraulic impact drilling rig with a stress testing device, a central control system is installed on the whole machine, the whole machine includes a frame, the bottom of the frame is provided with a walking device, and the top of the frame is provided with a central control room, A support structure and a hydraulic hoist, the rope on the hydraulic hoist is connected with a drill bit through the support structure, the bottom of the drill bit is provided with a number of stress strain gauges, the periphery of the stress strain gauge is provided with a cemented carbide protection component, the stress strain gauge The chip communication is connected to the central control system, and the operation end of the central control system is arranged in the central control room.

Further, the support structure includes two struts hinged to the frame, which are respectively arranged on both sides of the central control room. The top ends of the two struts are connected by a cross bar, and a pulley is installed on the cross bar. The hoist outlet is connected to the drill bit vertically through a pulley.

Further, the top end of the support rod is also connected with a pull rod, the bottom end of the pull rod is hinged to the frame, and the hinge position is located between the central control room and the hydraulic hoist.

Further, the stress strain gauge is connected to the central control system through a conductive wire, and the conductive wire passes through the drill bit.

Further, the stress and strain gauge is wirelessly connected to the central control system.

Further, both sides of the frame are provided with adjustable legs.

Advantages of the utility model: The utility model can effectively break through the bottleneck in the construction of large-scale offshore wind power rock pile foundations and super-large bridge rock pile foundations, and can effectively reduce costs and improve efficiency. The drill bit of the utility model can realize the free-fall impact function; the impact stroke of the drill bit can be adjusted by the utility model; a stress testing device is arranged on the drill bit, and the intelligent central control system can judge the rock hardness according to the stress of the testing device, so as to realize automatic adjustment The purpose of the impact stroke; automatic operation is realized through the hollow system, and the continuous operation of the impact drilling rig is realized.

Description of drawings

1 is a schematic front view of an intelligent hydraulic impact drilling rig with a stress testing device of the present invention;

2 is a schematic top view of an intelligent hydraulic impact drilling rig with a stress testing device of the present invention;

3 is a schematic side view of an intelligent hydraulic impact drilling rig with a stress testing device of the present invention;

4 is a schematic diagram of a drill bit stress testing device of an intelligent hydraulic impact drilling rig with a stress testing device according to the present invention.

As shown in the picture: 1. Frame; 2. Walking device; 3. Central control room; 4. Supporting structure; 5. Hydraulic winch; 6. Rope; 7. Supporting structure; 8. Drill bit; 9. Stress strain gauge; 10 , Carbide protection parts; 11, strut; 12, cross bar; 13, pulley; 14, pull rod; 15, conduction line.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

An intelligent hydraulic impact drilling rig with a stress testing device, a central control system is installed on the whole machine, the whole machine includes a frame 1, a walking device 2 is arranged at the bottom of the frame 1, and a top of the frame 1 is arranged. There is a central control room 3, a support structure 4 and a hydraulic winch 5. The rope 6 on the hydraulic winch 5 is connected with a drill bit 8 through the support structure 7. The bottom of the drill bit 8 is provided with a number of stress strain gauges 9. The stress strain gauges The periphery of 9 is provided with a cemented carbide protection component 10, the stress strain gauge 9 is communicatively connected to the central control system, the operating end of the central control system is set in the central control room 3, and the central control system is provided with impact stress comparison parameters .

The support structure 4 includes two struts 11 that are respectively arranged on both sides of the central control room 3 and are hinged to the vehicle frame 1. The top ends of the two struts 11 are connected by a cross bar 12, and a pulley 13 is installed on the cross bar 12. The rope 6 is led out from the hydraulic hoist 5 and is vertically connected to the drill bit 8 through a pulley 13 .

The top end of the support rod 11 is also connected with a pull rod 14, the top end of the pull rod 14 can adjust the position along the axial direction of the support rod 11, the bottom end of the pull rod 14 is hinged to the frame 1, and the hinge position is located between the central control room 3 and the hydraulic hoist between 5.

The stress and strain gauge 9 is connected to the central control system through a conductive wire 15 , and the conductive wire 15 passes through the drill bit 8 .

The stress strain gauge 9 is wirelessly connected to the central control system.

Both sides of the frame 1 are provided with adjustable outriggers 16, which are used to stabilize the whole machine when the impact drilling rig is punching.

When the utility model is in use, the whole machine is parked to a suitable position under the action of the walking device, the support leg is used to stabilize the whole machine, the support rod and the pull rod are set at a suitable angle, and the connection between the impact drill bit and the hydraulic hoist is set, and The impact drill is equipped with a stress strain gauge, and the impact drill is impacted by free fall. According to the data returned by the stress strain gauge, the central control system compares it with the impact parameter information, and adjusts the stroke of the hoisting rope of the hydraulic winch, that is, adjusts the height position of the impact drill. , meet the impact requirements, and can carry out continuous impact under the control of the central control system, and realize the intelligent control of automatic adjustment of the impact stroke of the drill bit.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, without departing from the purpose of the present invention, and without creatively designing the structural modes and embodiments similar to the technical scheme, all should belong to the protection of the present invention. scope.

Claims (6)

1. The utility model provides an intelligence hydraulic percussion drill with stress test device which characterized in that: install central control system on the complete machine, the complete machine includes frame (1), frame (1) bottom is equipped with running gear (2), frame (1) top is equipped with well accuse room (3), bearing structure (4) and hydraulic winch (5), rope (6) on the hydraulic winch (5) are connected with drill bit (8) through bearing structure (4), the bottom of drill bit (8) is equipped with a plurality of stress foil gages (9), stress foil gage (9) periphery is equipped with carbide protection part (10), stress foil gage (9) communication connection is in central control system, the operating end of central control system sets up in well accuse room (3).

2. The intelligent hydraulic percussion drill with stress testing device according to claim 1, characterized in that: the supporting structure (4) comprises two supporting rods (11) which are respectively arranged on two sides of the central control room (3) and hinged to the frame (1), the top ends of the two supporting rods (11) are connected through a cross rod (12), a pulley (13) is installed on the cross rod (12), and the rope (6) is led out from the hydraulic winch (5) and is vertically connected to the drill bit (8) through the pulley (13).

3. The intelligent hydraulic percussion drill with stress testing device according to claim 2, characterized in that: the top end of the supporting rod (11) is further connected with a pull rod (14), the bottom end of the pull rod (14) is hinged to the frame (1), and the hinged position is located between the central control room (3) and the hydraulic winch (5).

4. The intelligent hydraulic percussion drill with stress testing device according to claim 1, characterized in that: the stress strain gauge (9) is connected to a central control system through a conducting wire (15), and the conducting wire (15) penetrates through the drill bit (8).

5. The intelligent hydraulic percussion drill with stress testing device according to claim 1, characterized in that: the stress strain gauge (9) is in wireless communication connection with the central control system.

6. The intelligent hydraulic percussion drill with stress testing device according to claim 1, characterized in that: the adjustable supporting legs (7) are arranged on two sides of the frame (1).

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