Automatic onboard jumbolter

Abstract

The invention provides an automatic onboard jumbolter which is composed of a rack body, an automatic propelling mechanism, a drilling box, an automatic drill rod bin, a top supporting mechanism, a slippage compensation mechanism, an electro-hydraulic control system and the like, and the automatic onboard jumbolter can achieve the functions of automatic drilling, automatic drill rod detaching and connecting, automatic anchor rod fastening and the like; the automatic onboard anchor rod drilling machine has the advantages that the automatic onboard anchor rod drilling machine is small in size, compact in structure, light in weight and high in reliability, can be used in cooperation with multi-drill-arm equipment such as a digging and anchoring machine, a digging and anchoring all-in-one machine and a multi-arm anchor rod drill carriage, and meets the requirement for automatic drilling of anchor rods of the multi-drill-arm equipment.

Description

Technical Field

[0001] The invention relates to the field of coal mine tunnel excavation and tunnel support, and in particular to an automatic airborne anchor drilling rig. Background Art

[0002] At present, the automatic airborne anchor drilling rig is mainly equipped with a rotary drill rod bin, which can realize the automatic drilling of anchor rods and anchor cable supports in coal mines. However, its structure is large and heavy, and it is only suitable for use with single-arm anchor drilling vehicles or double-arm anchor drilling vehicles.

[0003] Multi-arm equipment such as anchor drilling machines, all-in-one anchor drilling machines, and multi-arm anchor drilling vehicles have limited space for arranging supporting anchor drilling rigs due to the large number of drill arms and limited body width. Currently, there is no matching automatic airborne anchor drilling rig. In order to meet the demand for automatic drilling of anchor support for multi-arm equipment such as anchor drilling machines, all-in-one anchor drilling machines, and multi-arm anchor drilling vehicles, coal mines are in urgent need of a compact automatic airborne anchor drilling rig that can realize the functions of automatic drilling, automatic connecting drill rods, and automatic removing drill rods. Summary of the invention

[0004] The present invention provides an automatic airborne anchor drilling rig, which is equipped with a linear automatic drill rod magazine and can realize automatic drilling, automatic rod connection and automatic rod removal functions. It has a compact structure and simple and reliable operation, and can meet the use of multi-drill arm equipment such as anchor digging machines, anchor digging all-in-one machines, multi-arm anchor drilling vehicles, etc., to realize the demand for automatic anchor drilling holes.

[0005] The automatic airborne anchor drilling rig is composed of a frame body, an automatic propulsion mechanism, a drill box, an automatic drill rod bin, a top support mechanism, a slip compensation mechanism, an electro-hydraulic control system and the like.

[0006] The frame body is composed of a frame structure welded from steel plates and a cylindrical guide rail, and is the main carrier of the automatic airborne anchor drilling rig.

[0007] The automatic propulsion mechanism is installed on the frame body, provides propulsion force for the automatic airborne anchor drilling rig, drives the drill box to slide up and down on the cylindrical guide rail, and can realize automatic detection and precise positioning of the drill box position.

[0008] The drill box is installed on the cylindrical guide rail of the frame body through a guide seat, and is connected to the automatic propulsion mechanism, slides up and down along the cylindrical guide rail, and outputs torque and rotation speed for the automatic airborne anchor drilling rig.

[0009] The automatic drill rod magazine is located at one side of the frame body and is the automatic airborne anchor drilling rig, which automatically transports and stores drill rods.

[0010] The top support mechanism is placed on the top of the frame body, and when the automatic airborne anchor drill rig automatically disconnects the drill rod, it can clamp the drill rod and assist in completing the automatic centering between the drill rods and the buckling when disconnecting the drill rod.

[0011] The slip compensation mechanism is mainly used to complete the top connection of the automatic airborne anchor drilling rig.

[0012] The electro-hydraulic control system provides power for various components of the automatic airborne anchor drilling rig and provides a control program for the automated operation of the automatic airborne anchor drilling rig.

[0013] Furthermore, the drill box is composed of a hydraulic motor, a water jacket, a rod pressure cylinder, a guide seat and a liquid distribution block. The hydraulic motor provides torque and speed output for the drill box. When the automatic airborne anchor drilling rig retracts the drill, the rod pressure cylinder extends out to press the drill rod to prevent friction between the drill rod and the hole wall, causing the drill rod to detach from the drill box.

[0014] Furthermore, the automatic propulsion mechanism is composed of a propulsion cylinder, a guide wheel, a tensioning sleeve, a tensioning screw, a chain and a magnetostrictive displacement sensor. The propulsion cylinder, guide wheel, tensioning sleeve, tensioning screw and chain constitute a double-speed propulsion mechanism. The magnetostrictive displacement sensor is used to detect the stroke displacement of the propulsion cylinder.

[0015] Furthermore, the automatic propulsion mechanism drives the drill box to slide up and down along the cylindrical guide rail of the frame body, detects the position of the drill box through the magnetostrictive displacement sensor, and realizes automatic detection and precise positioning of the drill box position through program control of the electro-hydraulic control system.

[0016] Furthermore, the automatic drill rod magazine includes a drill bit, a drill rod, a roller group, a clamping group, a connecting piece group, a guide rail group, a magnetostrictive displacement sensor, a power group, a slide group, a transmission system, and a frame group.

[0017] The roller assembly consists of a roller, a fixed shaft, a frame, a washer, and a nut.

[0018] The clamping group is composed of a spring chamber, a pressure rod shaft, and a spring, and is characterized in that the drill rod is clamped using a spring clamping mechanism.

[0019] The guide rail assembly consists of a guide rail and a fixing seat.

[0020] The transmission system is composed of a nut, a bearing, a sealing ring, a screw nut, a screw, a sealing ring, a bearing, an end cover, and a nut. The automatic drill rod bin drill rod moving structure adopts a screw transmission structure.

[0021] The drill rod movement position detection is performed by using a magnetostrictive displacement sensor.

[0022] Furthermore, the automatic drill rod bin can store drill rods, but is not limited to drill rods, and can realize linear sequential positioning and movement of the drill rods with accurate positioning and movement positions and high reliability.

[0023] Furthermore, the top supporting mechanism includes a drill support, a clamp, a top, and a frame group.

[0024] The drill support device is used to support the drill rod to prevent the drill rod from swinging in a large range when drilling a hole, and to straighten the drill rod and align it when automatically connecting the drill rod.

[0025] The clamp is used to clamp the upper drill rod when the drill rod is automatically removed and connected.

[0026] Furthermore, the automatic airborne anchor drilling rig can realize the functions of automatic drilling, automatic rod connection and automatic rod removal through the control program of the electro-hydraulic control system.

[0027] Furthermore, the automatic airborne anchor drilling rig can meet the needs of automatic anchor drilling for multi-drilling arm equipment such as anchor drilling machines, integrated anchor drilling machines, and multi-arm anchor drilling vehicles.

[0028] After adopting the above scheme, the present invention has the following advantages: 1. The automatic airborne anchor drilling rig is equipped with a linear automatic drill rod magazine, which can realize the functions of automatic drilling, automatic rod connection and automatic rod removal.

[0029] 2. The automatic mechanical anchor drilling rig has a compact structure, simple and reliable operation, and can meet the use of multi-drilling arm equipment such as anchor digging machines, integrated anchor digging machines, and multi-arm anchor drilling vehicles to achieve the needs of automatic anchor drilling holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 is a schematic diagram of the present invention; Figure 2 is a schematic diagram of the automatic propulsion mechanism of the present invention; Figure 3 is a schematic diagram of a drilling box of the present invention; Figure 4 is a schematic diagram of the automatic drill rod bin of the present invention; Figure 5 It is a schematic diagram of a top view and section view of an automatic drill rod bin of the present invention; Figure 6It is a schematic diagram of a side view of the automatic drill rod bin of the present invention; Figure 7 It is a schematic diagram of the top support mechanism of the present invention. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] like Figures 1 to 7 As shown, the automatic airborne anchor drilling rig is equipped with a linear automatic drill rod magazine, which can realize automatic drilling, automatic rod connection and automatic rod removal functions. It has a compact structure and simple and reliable operation. It can meet the use of multi-drill arm equipment such as anchor drilling machines, anchor drilling machines, multi-arm anchor drilling vehicles, etc. to realize the needs of automatic anchor drilling holes.

[0034] The automatic airborne anchor drilling rig is composed of a frame body 1, an automatic propulsion mechanism 2, a drill box 3, an automatic drill rod bin 4, a top support mechanism 5, a slip compensation mechanism 6, an electro-hydraulic control system and the like.

[0035] The frame body is composed of a frame structure 1-1 and a cylindrical guide rail 1-2 formed by welding steel plates, and is the main bearing body of the automatic airborne anchor drilling rig.

[0036] The automatic propulsion mechanism 2 is installed on the frame body 1 to provide propulsion force for the automatic airborne anchor drilling rig, drive the drill box 3 to slide up and down on the cylindrical guide rail 1-2, and can realize automatic detection and precise positioning of the position of the drill box 3.

[0037] The drill box 3 is installed on the cylindrical guide rail 1-2 of the frame body through the guide seat 3-5, and is connected to the automatic propulsion mechanism 2, slides up and down along the cylindrical guide rail 1-2, and outputs torque and rotation speed for the automatic airborne anchor drilling rig.

[0038] The automatic drill rod magazine 4 is located on one side of the frame body 1 and is the automatic airborne anchor drilling rig that automatically transports and stores drill rods.

[0039] The top support mechanism 5 is placed on the top of the frame body 1, and when the automatic airborne anchor drill rig automatically disconnects the drill rod, it can clamp the drill rod and assist in completing the automatic centering between the drill rods and the buckling when disconnecting the drill rod.

[0040] The slip compensation mechanism 6 is mainly used to complete the top connection of the automatic airborne anchor drilling rig.

[0041] The electro-hydraulic control system provides power for various components of the automatic airborne anchor drilling rig and provides a control program for the automated operation of the automatic airborne anchor drilling rig.

[0042] Furthermore, the drill box 3 is composed of a hydraulic motor 3-1, a water jacket 3-2, a rod compression cylinder 3-3, a guide seat 3-4 and a liquid distribution block 3-5. The hydraulic motor 3-1 provides torque and speed output for the drill box. When the automatic airborne anchor drilling rig retracts the drill, the rod compression cylinder 3-3 extends out to clamp the drill rod to prevent friction between the drill rod and the hole wall, causing the drill rod to detach from the drill box.

[0043] Furthermore, the automatic propulsion mechanism 2 is composed of a propulsion cylinder 2-1, a guide wheel 2-2, a tensioning sleeve 2-3, a tensioning screw 2-4, a chain 2-5 and a No. 1 magnetostrictive displacement sensor 2-6. The propulsion cylinder 2-1, the guide wheel 2-2, the tensioning sleeve 2-3, the tensioning screw 2-4 and the chain 2-5 constitute a multiple-speed propulsion mechanism. The No. 1 magnetostrictive displacement sensor 2-6 is used to detect the stroke displacement of the propulsion cylinder.

[0044] Furthermore, the automatic propulsion mechanism 2 drives the drill box 3 to slide up and down along the cylindrical guide rail 1-2 of the frame body, detects the position of the drill box 3 through the No. 1 magnetostrictive displacement sensor 2-6, and realizes automatic detection and precise positioning of the position of the drill box 3 through program control of the electro-hydraulic control system.

[0045] Furthermore, the automatic drill rod warehouse 4 includes a drill bit 4-1, a drill rod 4-2, a roller group 4-3, a clamping group 4-4, a connecting member group 4-5, a guide rail group 4-6, a No. 2 magnetostrictive displacement sensor 4-7, a power group 4-8, a slide group 4-9, a transmission system 4-10, and a frame group 4-11.

[0046] The roller assembly 4-3 is composed of a roller 4-3.1, a fixed shaft 4-3.2, a frame 4-3.3, a washer 4-3.4, and a nut 4-3.5.

[0047] The clamping group 4-4 is composed of a spring chamber 4-4.1, a pressure rod shaft 4-4.2, and a spring 4-4.3, and is characterized in that the drill rod is clamped using a spring clamping mechanism.

[0048] The guide rail set 4-6 is composed of a guide rail 4-6.2 and a fixing seat 4-6.1.

[0049] The transmission system 4-10 is composed of a nut 4-10.1, a bearing 4-10.2, a sealing ring 4-10.3, a screw nut 4-10.4, a screw 4-10.5, a sealing ring 4-10.6, a bearing 4-10.7, an end cover 4-10.8, and a nut 4-10.9. The drill rod moving structure of the automatic drill rod bin 4 adopts a screw transmission structure.

[0050] The movement position of the drill rod 4-2 is detected by using a magnetostrictive displacement sensor.

[0051] Furthermore, the automatic drill rod magazine 4 can store three drill rods, but is not limited to three drill rods, and can realize linear sequential positioning and movement of the drill rods with accurate positioning and movement positions and high reliability.

[0052] Furthermore, the top support mechanism 5 includes a drill support 5-1, a clamp 5-2, a top 5-3, and a frame assembly 5-4.

[0053] The drill support device 5-1 is used to support the drill rod to prevent the drill rod from swinging in a large range when drilling a hole, and to straighten the drill rod and align it when automatically connecting the drill rod.

[0054] The clamp 5-2 is used to clamp the upper drill rod when automatically removing and connecting the drill rod.

[0055] Furthermore, the automatic airborne anchor drilling rig can realize the functions of automatic drilling, automatic rod connection and automatic rod removal through the control program of the electro-hydraulic control system.

[0056] The anchor hole positioning and automatic airborne anchor drill rig top connection are completed manually, the automatic airborne anchor drill rig drilling automatic process is started, the automatic airborne anchor drill rig automatically completes initialization, the automatic drill rod magazine 4 carries the drill rod 7 to the drilling station, the drill box 3 connects the drill rod 7 and the automatic propulsion mechanism 2 sends the drill rod 7 to the hole mouth position, the drill support 5-1 is closed, the automatic drill rod magazine 4 returns to the initial position, the drill rod is manually inserted into the steel belt hole or anchor mesh hole, and automatic drilling begins. The drilling of the drill rod 7 is completed, the clamp 5-2 is closed, the drill box 3 returns to the initial position, the drill support 5-1 is closed, and the automatic The drill rod magazine carries the drill rod 8 to the drilling station, the drill box 3 is connected to the drill rod 8, the drill 8 is buckled, the automatic drill rod magazine 4 returns to the initial position, the clamp 5-2 is opened, and drilling begins. The drilling of the drill rod 8 is completed, the clamp 5-2 is closed, the drill box 3 returns to the initial position, and the drill support 5-1 is closed. The automatic drill rod magazine 4 carries the drill rod 9 to the drilling station, the drill box is connected to the drill rod 9, the drill rod 9 is buckled, the automatic drill rod magazine 4 returns to the initial position, the clamp 5-2 is opened, and drilling begins. When the set drilling depth is reached, the drilling operation is stopped, the clamp 5-2 is closed, and the drilling withdrawal program is automatically jumped.

[0057] The rod-pressing cylinder 3-3 extends out to press the drill rod 9, the drill box 3 returns to the shackle position with the drill rod 9, the drill support 5-1 is closed, the automatic drill rod magazine 4 enters the drill rod 9 connecting position, the rod-pressing cylinder 3-3 retracts, and the shackle operation begins. After the shackle is removed, the rod-pressing cylinder 3-3 extends out to press the drill rod, the drill box 3 returns to the initial position with the drill rod 9, the rod-pressing cylinder 3-3 retracts, the drill box 3 returns to the initial position, the drill support 5-1 is opened, the automatic drill rod magazine 4 returns to the initial position with the drill rod 9, the drill box 3 goes to the hole to connect the drill rod 8, the clamp 5-2 is opened, and the drill box carries the drill rod. 8 reaches the shackle position, the clamp 5-2 is closed, and the automatic drill rod magazine 4 enters the drill rod 8 connecting position, and the above drill withdrawal process is repeated to complete the drill withdrawal operation of the drill rod 8, the drill box 3 is connected to the drill rod 7, the drill box 3 and the drill rod 7 are withdrawn from the hole, the clamp 5-2 is closed, the automatic drill rod magazine 4 enters the drill rod 7 connecting position, the pressure rod cylinder 3-3 is extended, and the clamp 5-2 is opened, the drill box and the drill rod 7 are withdrawn to the initial position of the drill rod, the pressure rod cylinder 3-3 is retracted, the drill box 3 returns to the initial position, and the automatic drill rod magazine drill rod 7 returns to the initial position, completing the automatic drill withdrawal operation.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic airborne anchor drilling rig, characterized in that It includes a frame body, an automatic propulsion mechanism, a drill box, an automatic drill rod bin, a top support mechanism, a slip compensation mechanism, and an electro-hydraulic control system; The frame body is composed of a frame structure welded from steel plates and cylindrical guide rails, and is the main carrier of the automatic airborne anchor drilling rig; The automatic propulsion mechanism is installed on the frame body, provides propulsion force for the automatic airborne anchor drilling rig, drives the drill box to slide up and down on the cylindrical guide rail, and can realize automatic detection and precise positioning of the drill box position; The drill box is mounted on the cylindrical guide rail of the frame body through a guide seat, and is connected to the automatic propulsion mechanism, slides up and down along the cylindrical guide rail, and outputs torque and speed for the automatic airborne anchor drill rig; The automatic drill rod warehouse is located on one side of the frame body, and is the automatic airborne anchor drilling rig, which automatically transports and stores drill rods; The top support mechanism is placed on the top of the frame body, and when the automatic airborne anchor drill rig automatically disconnects the drill rod, it can clamp the drill rod and assist in completing the automatic centering between the drill rods and the buckling when disconnecting the drill rod; The slip compensation mechanism is mainly used to complete the top connection of the automatic airborne anchor drilling rig; The electro-hydraulic control system provides power for various components of the automatic airborne anchor drilling rig and provides a control program for the automated operation of the automatic airborne anchor drilling rig.

2. The automatic airborne anchor drilling rig according to claim 1, characterized in that: The drill box is composed of a hydraulic motor, a water jacket, a rod-holding cylinder, a guide seat and a liquid distribution block. The hydraulic motor provides torque and speed output for the drill box. When the automatic airborne anchor drilling rig is retracting the drill, the rod-holding cylinder extends out to hold the drill rod tightly to prevent friction between the drill rod and the hole wall, causing the drill rod to detach from the drill box.

3. The automatic airborne anchor drilling rig according to claim 1, characterized in that: The automatic propulsion mechanism is composed of a propulsion cylinder, a guide wheel, a tensioning sleeve, a tensioning screw, a chain and a No. 1 magnetostrictive displacement sensor. The propulsion cylinder, the guide wheel, the tensioning sleeve, the tensioning screw and the chain constitute a multiple-speed propulsion mechanism. The No. 1 magnetostrictive displacement sensor is used to detect the stroke displacement of the propulsion cylinder.

4. An automatic airborne anchor drilling rig according to claims 1 to 3, characterized in that: The automatic propulsion mechanism drives the drill box to slide up and down along the cylindrical guide rail of the frame, and the position of the drill box is detected by the No. 1 magnetostrictive displacement sensor. The automatic detection and precise positioning of the drill box position are achieved through program control of the electro-hydraulic control system.

5. The automatic airborne anchor drilling rig according to claim 1, characterized in that It includes a drill bit, a drill rod, a roller group, a clamping group, a connecting piece group, a guide rail group, a No. 2 magnetostrictive displacement sensor, a power group, a slide group, a transmission system, and a frame group; The roller assembly is composed of a roller, a fixed shaft, a frame, a washer, and a nut; The clamping group is composed of a spring chamber, a pressure rod shaft, and a spring, and is characterized in that the drill rod clamping method adopts a spring clamping mechanism; The guide rail assembly consists of a guide rail and a fixing seat; The transmission system is composed of a nut, a bearing, a sealing ring, a screw nut, a screw, a sealing ring, a bearing, an end cover, and a nut, and is characterized in that the automatic drill rod warehouse drill rod moving structure adopts a screw transmission structure; The drill rod movement position detection is characterized in that a magnetostrictive displacement sensor is used for detection.

6. The automatic airborne anchor drilling rig according to claim 5, characterized in that: The automatic drill rod bin can store three drill rods, but is not limited to three drill rods, and can realize linear sequential positioning and movement of the drill rods, with accurate positioning and movement positions and high reliability.

7. An automatic airborne anchor drilling rig according to claim 1, characterized in that: The top support mechanism includes a drill support, a clamp, a top, and a frame assembly; The drill support device is used to support the drill rod to prevent the drill rod from swinging in a large range when drilling a hole, and to straighten the drill rod and align it when automatically connecting the drill rod; The clamp is used to clamp the upper drill rod when the drill rod is automatically removed and connected.

8. The automatic airborne anchor drilling rig according to claim 1, characterized in that The electro-hydraulic control system control program can realize the functions of automatic drilling, automatic rod connection and automatic rod removal.

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