Drill rod picking device

Abstract

The drill rod picking device comprises a conveying frame, a rotating frame is rotationally arranged at one end of the conveying frame, a connecting column is rotationally arranged at one end of the rotating frame, a connecting block is fixedly arranged in the middle of the connecting column, a first steering engine is arranged at one end of the conveying frame, and a second steering engine is arranged at the other end of the conveying frame; the output end of the first steering engine is connected with the rotating frame, an oil cylinder is arranged in the connecting block, and the output end of the oil cylinder is fixedly connected with a mounting block. The two clamping jaws are close to each other to clamp a drill rod, then the drill rod falls onto the machine jaw device, the drill rod is clamped through the machine jaw device, then the conveying chain is started to drive the machine jaw device to move, the trolley is arranged at the bottom of the conveying frame, and when the machine jaw device moves to the top of the trolley, the drill rod falls into the trolley. Therefore, the automatic selection effect is realized.

Description

Technical Field

[0001] The invention relates to the field of blast furnace ironmaking, and in particular to a drill rod picking device. Background Art

[0002] A method of continuously producing liquid pig iron in a vertical reactor, a blast furnace, by using coke, iron-containing ore (natural rich ore, sintered ore and pelletized ore) and flux (limestone, dolomite). It is an important part of modern steel production. Modern blast furnace ironmaking is a transformation and development of the ancient vertical furnace ironmaking method. Although many ironmaking methods have been researched and developed in various countries around the world, blast furnace ironmaking is still the main method of modern ironmaking because of its relatively simple process, large output, high labor productivity and low energy consumption, and its output accounts for more than 95% of the world's total pig iron production.

[0003] In the production of iron-making blast furnaces, blast furnace open drill rods are suitable for various refractory openings and gun mud open drill rods. At present, the drill rod picking device is manually used to select the drill rod or striker rod required for the iron mouth opening work in front of the furnace, and move the drill rod or striker rod so that the drill rod or striker rod can accurately reach the mobile trolley.

[0004] The efficiency of manual selection is low. In order to realize unmanned and automated operation in front of the furnace, it is necessary to use an automatic rod changing machine instead of the manual iron mouth opening machine to perform rod changing operations. Summary of the invention

[0005] In order to solve the above problems, the present invention proposes a drill rod picking device to solve the above problems in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides a drill rod picking device comprising: a conveying frame, a rotating frame is rotatably provided at one end of the conveying frame, a connecting column is rotatably provided at one end of the rotating frame, a connecting block is fixedly provided at the middle of the connecting column, a first steering gear is provided at one end of the conveying frame, an output end of the first steering gear is connected to the rotating frame, an oil cylinder is provided inside the connecting block, and a mounting block is fixedly connected to the output end of the oil cylinder;

[0007] A first square shell is provided at the bottom of the mounting block, a first motor is fixedly provided on one side of the first square shell, two first gears are relatively rotatably provided inside the first square shell, a first clamping claw is fixedly provided on one side of the first gear, the two first gears are meshed with each other, and an output end of the first motor is connected to one of the first gears;

[0008] Support legs are arranged on both sides of the conveying frame, a conveying chain is arranged inside the conveying frame, and a plurality of machine claw devices are arranged on the conveying chain;

[0009] A second steering gear is disposed at one end of the rotating frame, and an output end of the second steering gear is connected to the connecting column.

[0010] Further, a storage cavity is provided at the bottom of the first clamping claw, a first extension rod is slidably provided inside the storage cavity, a top of the first extension rod is fitted with the inside of the storage cavity, a plurality of return springs are fixedly provided at the inner top of the storage cavity, and the bottoms of the plurality of return springs are all connected to the top of the first extension rod;

[0011] An oil delivery assembly is fixedly disposed inside the mounting block, and first delivery pipes are arranged on both sides of the mounting block, one end of the first delivery pipe is connected to the oil delivery assembly, and the other end of the first delivery pipe is communicated with the storage cavity.

[0012] Further, a connecting rod is hinged inside the first clamping claw, one end of the connecting rod is provided with a first electromagnet, a sleeve is provided on the top of the first clamping claw, a movable column is slidably provided inside the sleeve, and one end of the movable column is hinged to one end of the connecting rod;

[0013] A third delivery pipe is provided at the inner top of the storage chamber, and one end of the third delivery pipe is connected to the sleeve;

[0014] A spring is arranged inside the sleeve, and the spring is connected to the other end of the movable column.

[0015] Furthermore, the oil delivery assembly includes an oil storage tank fixedly arranged inside the mounting block, a push plate slidably arranged inside the oil storage tank, and an electric telescopic rod fixedly arranged at one end inside the mounting block, the output end of the electric telescopic rod is connected to the push plate, and one end of the first delivery pipe is connected to the oil storage tank.

[0016] Further, two second square shells are arranged at opposite ends of the mounting block, two rotating shafts are arranged inside the second square shells for relative rotation, a connecting strip is arranged on one side of the rotating shaft, a second clamping claw is connected to the bottom of the connecting strip, a second motor is arranged on one side of the second square shell, and an output end of the second motor is connected to one of the rotating shafts;

[0017] Two second conveying pipes are connected to the first conveying pipe, and one end of the second conveying pipe extends to the inside of the second clamping claw.

[0018] Further, two second gears are relatively rotatably arranged on the other side of the second square shell, the second gears are connected to the rotating shaft, a moving rod is slidably arranged on the other side of the second square shell, the moving rod is located between the two second gears, first teeth are arranged on both sides of the moving rod, and the first teeth are meshed with the second gears;

[0019] The bottom of the moving rod is sleeved with a sleeve block, the bottom of the sleeve block is provided with a second electromagnet, the inside of the sleeve block is provided with a spring, and the top of the spring is connected to the bottom of the moving rod.

[0020] Furthermore, an arc-shaped sleeve is provided inside the second clamping claw, an arc-shaped movable column is slidably provided inside the arc-shaped sleeve, one end of the arc-shaped movable column is connected to a slider, one end of the second conveying pipe is communicated with the arc-shaped sleeve, a spring is provided inside the arc-shaped sleeve, and one open end of the spring is connected to the other end of the arc-shaped movable column;

[0021] Arc-shaped sliding grooves are provided on both sides of the second clamping claw, and both sides of the sliding block extend out of the inner wall of the second clamping claw through the arc-shaped sliding grooves and are connected with a second extension rod.

[0022] Furthermore, a groove is provided at the bottom of the second clamping claw, an extrusion block is rotatably arranged inside the groove, a third gear is rotatably arranged on one side of the second clamping claw, one end of the third gear is connected to one end of the extrusion block, and a plurality of second teeth are provided on one side of the second extension rod, and the second teeth are meshed with the third gear.

[0023] Furthermore, one side of the two connecting strips is hinged with a hinge rod, one end of the two hinge rods is hinged with a hinge plate, a sliding groove is opened on the inner wall of the second square shell, the hinge plate is slidably connected to the sliding groove, and a third electromagnet is arranged at the bottom of the hinge plate.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The drill rod is clamped by bringing the two clamping claws close to each other. After clamping, the mounting block is driven upward by the provided oil cylinder, and the drill rod is driven upward synchronously. Then, the rotating frame is driven to rotate by the provided first servo, and the connecting column is driven to rotate by the second servo. The first clamping claw is adjusted to be close to the machine claw device, and then the drill rod is dropped onto the machine claw device. The drill rod is clamped by the machine claw device, and then the conveying chain is started to drive the machine claw device to move. The trolley is arranged at the bottom of the conveying frame. When the machine claw device moves to the top of the trolley, the drill rod is dropped into the trolley, thereby achieving the effect of automatic selection.

[0026] Second, start the oil delivery assembly, input oil into the storage chamber through the oil delivery assembly, drive the first extension rod to move outward through pressure, and the two first clamping rods move closer to each other, thereby reducing the gap, preventing the drill rod from falling off, and facilitating use. The third delivery pipe can be used to input oil into the sleeve, and then the movable column is driven outward by oil pressure, and the connecting rod is driven to move through the movable column, so that the first electromagnet contacts the top of the drill rod, and the first electromagnet further strengthens the fixing effect of the drill rod.

[0027] Third, the second motor is provided to drive the rotating shaft to rotate, and the rotation of the two rotating shafts can drive the connecting strip and the second clamping claw to move, thereby clamping the drill rod, further enhancing the clamping effect and preventing it from falling off.

[0028] Fourth, the second gear can be driven to rotate through the rotating shaft, and the rotation of the second gear drives the moving rod to move up and down. The moving rod is set to make the two second gears turn in opposite directions. The moving rod moves downward to drive the socket block and the second electromagnet to move. The second electromagnet contacts the drill rod to further strengthen the clamping effect of the drill rod and further prevent it from falling off.

[0029] 5. Oil is input into the arc-shaped sleeve through the second delivery pipe to drive the arc-shaped movable column to move, and the slider and the second clamping rod are driven to move through the arc-shaped movable column, and the drill rod is surrounded by the second clamping rod to prevent it from falling off. When the second clamping rod moves, the third gear is driven to rotate through the second teeth, and the other end of the extrusion block is driven to move upward through the rotation of the third gear, and the two extrusion blocks are in contact with the drill rod to squeeze the drill rod, thereby increasing the fixing effect and preventing the drill rod from sliding and rotating.

[0030] For better understanding and implementation, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the first three-dimensional structure of the present invention;

[0032] Figure 2 It is a schematic diagram of a second three-dimensional structure of the present invention;

[0033] Figure 3 It is a three-dimensional structural schematic diagram of the mounting block in the present invention;

[0034] Figure 4 is a top view of the mounting block of the present invention;

[0035] Figure 5 It is a schematic structural diagram of the first square shell in the present invention;

[0036] Figure 6 is a schematic diagram of the internal structure of the first square shell in the present invention;

[0037] Figure 7 It is a schematic diagram of the internal structure of the first clamping claw in the present invention;

[0038] Figure 8 It is a schematic structural diagram of the second square shell in the present invention;

[0039] Fig. 9 is a cross-sectional view of the second square shell of the present invention;

[0040] Fig.10 is a cross-sectional view of the second clamping claw of the present invention;

[0041] Fig.11 It is a schematic diagram of the structure of the extrusion block in the present invention;

[0042] Fig.12 It is a cross-sectional view of the mounting block in the present invention.

[0043] In the figure: 1, conveying frame; 2, rotating frame; 3, oil cylinder; 4, supporting leg; 5, first steering gear; 6, second steering gear; 7, conveying chain; 8, machine claw device; 9, connecting column; 10, connecting block; 11, mounting block; 12, first square shell; 13, first clamping claw; 14, second square shell; 15, second clamping claw; 16, first conveying pipe; 17, second conveying pipe; 18, sleeve tube; 19, first gear; 20, connecting rod; 21, first electromagnet; 22, movable column; 23, third conveying pipe; 24, storage chamber; 25, reset Spring; 26, first extension rod; 27, first motor; 28, second gear; 29, moving rod; 30, socket block; 31, second electromagnet; 32, first tooth; 33, second extension rod; 34, extrusion block; 35, rotating shaft; 36, connecting strip; 37, arc-shaped slide groove; 38, third gear; 39, arc-shaped socket tube; 40, arc-shaped movable column; 41, slider; 42, oil storage tank; 43, push plate; 44, electric telescopic rod; 45, second motor; 46, hinged rod; 47, slide groove; 48, hinged plate; 49, third electromagnet. DETAILED DESCRIPTION

[0044] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific implementation methods of the present invention are now described with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the following.

[0045] Reference Figure 1-12As shown, a drill rod picking device comprises: a conveying frame 1, a rotating frame 2 is rotatably provided at one end of the conveying frame 1, a connecting column 9 is rotatably provided at one end of the rotating frame 2, a connecting block 10 is fixedly provided in the middle of the connecting column 9, a first steering gear 5 is provided at one end of the conveying frame 1, the output end of the first steering gear 5 is connected to the rotating frame 2, an oil cylinder 3 is provided inside the connecting block 10, and a mounting block 11 is fixedly connected to the output end of the oil cylinder 3. A first square shell 12 is provided at the bottom of the mounting block 11, a first motor 27 is fixedly provided on one side of the first square shell 12, two first gears 19 are relatively rotatably provided inside the first square shell 12, a first clamping claw 13 is fixedly provided on one side of the first gear 19, the two first gears 19 are meshed with each other, and the output end of the first motor 27 is connected to one of the first gears 19. Support legs 4 are provided on both sides of the conveying frame 1, a conveying chain 7 is provided inside the conveying frame 1, and a plurality of machine claw devices 8 are provided on the conveying chain 7. A second steering gear 6 is provided at one end of the rotating frame 2, and the output end of the second steering gear 6 is connected to the connecting column 9;

[0046] A storage cavity 24 is provided at the bottom of the first clamping claw 13, and a first extension rod 26 is slidably provided inside the storage cavity 24. The top of the first extension rod 26 fits in the interior of the storage cavity 24, and a plurality of return springs 25 are fixedly provided at the inner top of the storage cavity 24. The bottoms of the plurality of return springs 25 are all connected to the top of the first extension rod 26. An oil delivery assembly is fixedly provided inside the mounting block 11, and first delivery pipes 16 are arranged on both sides of the mounting block 11. One end of the first delivery pipe 16 is connected to the oil delivery assembly, and the other end of the first delivery pipe 16 is connected to the storage cavity 24.

[0047] A connecting rod 20 is hingedly connected inside the first clamping claw 13, and a first electromagnet 21 is provided at one end of the connecting rod 20. A sleeve tube 18 is provided at the top of the first clamping claw 13, and a movable column 22 is slidably provided inside the sleeve tube 18, and one end of the movable column 22 is hinged to one end of the connecting rod 20. A third conveying pipe 23 is provided at the inner top of the storage cavity 24, and one end of the third conveying pipe 23 is connected to the sleeve tube 18. A spring is provided inside the sleeve tube 18, and the spring is connected to the other end of the movable column 22.

[0048] The present invention provides a technical solution. When in use, the two first gears 19 are driven to rotate by the first motor 27, and the first gear 19 is rotated to drive the first clamping claw 13 to move, and the two clamping claws 13 are brought close to each other to clamp the drill rod. After clamping, the mounting block 11 is driven to move upward by the oil cylinder 3, and the drill rod is driven to move upward synchronously. Then, the rotating frame 2 is driven to rotate by the first steering gear 5, and the connecting column 9 is driven to rotate by the second steering gear 6, and the first clamping claw 13 is adjusted to be close to the machine claw device 8, and then the drill rod is dropped onto the machine claw device 8, and the drill rod is clamped by the machine claw device 8, and then the conveying chain 7 is started to drive the machine claw device 8 to move, and the trolley is arranged at the bottom of the conveying frame 1. When the machine claw device 8 moves to the top of the trolley, the drill rod is dropped into the trolley. After the drill rod is clamped by the first clamping claw 13, the oil delivery assembly is started, and oil is delivered to the interior of the storage chamber 24 through the oil delivery assembly, and the first extension rod 26 is driven to move outward by pressure, and the two first clamping rods 26 move closer to each other, thereby reducing the gap, preventing the drill rod from falling off, and facilitating use. The third delivery pipe 23 is provided to deliver oil to the interior of the sleeve 18, and then the movable column 22 is driven to move outward by oil pressure, and the connecting rod 20 is driven to move by the movable column 22, so that the first electromagnet 21 contacts the top of the drill rod, and the fixing effect of the drill rod is further strengthened by the first electromagnet 21.

[0049] Preferably: the oil delivery assembly includes an oil storage tank 42 fixedly arranged inside the mounting block 11, a push plate 43 slidably arranged inside the oil storage tank 42, and an electric telescopic rod 44 fixedly arranged at one end inside the mounting block 11, the output end of the electric telescopic rod 44 is connected to the push plate 43, and one end of the first delivery pipe 16 is connected to the oil storage tank 42.

[0050] Specifically, the push plate 43 is driven to move by the electric telescopic rod 44 , and the oil can be squeezed into the interior of the first delivery pipe 16 through the movement of the push plate 43 .

[0051] Preferably: two second square shells 14 are provided at the opposite ends of the mounting block 11, two rotating shafts 35 are provided inside the second square shells 14 for relative rotation, a connecting strip 36 is provided on one side of the rotating shaft 35, and the bottom of the connecting strip 36 is connected to the second clamping claw 15, a second motor 45 is provided on one side of the second square shell 14, and the output end of the second motor 45 is connected to one of its rotating shafts 35, and two second conveying pipes 17 are connected to the first conveying pipe 16, and one end of the second conveying pipe 17 extends to the inside of the second clamping claw 15.

[0052] Specifically, the second motor 45 is provided to drive the rotating shaft 35 to rotate, and the rotation of the two rotating shafts 35 can drive the connecting bar 36 and the second clamping claw 15 to move, thereby clamping the drill rod, further enhancing the clamping effect and preventing it from falling off.

[0053] Preferably: two second gears 28 are relatively rotatably arranged on the other side of the second square shell 14, and the second gears 28 are connected to the rotating shaft 35. A moving rod 29 is slidably arranged on the other side of the second square shell 14, and the moving rod 29 is located between the two second gears 28. First teeth 32 are arranged on both sides of the moving rod 29, and the first teeth 32 mesh with the second gears 28;

[0054] A socket block 30 is sleeved at the bottom of the moving rod 29 , a second electromagnet 31 is arranged at the bottom of the socket block 30 , a spring is arranged inside the socket block 30 , and the top of the spring is connected to the bottom of the moving rod 29 .

[0055] Specifically, the second gear 28 can be driven to rotate by the rotating shaft 35, and the rotation of the second gear 28 can drive the moving rod 29 to move up and down. The setting of the moving rod 29 makes the two second gears 28 turn in opposite directions. The moving rod 29 moves downward to drive the sleeve block 30 and the second electromagnet 31 to move. The second electromagnet 31 contacts the drill rod to further strengthen the clamping effect of the drill rod and further prevent it from falling off.

[0056] Preferably, an arc-shaped sleeve tube 39 is arranged inside the second clamping claw 15, an arc-shaped movable column 40 is slidably arranged inside the arc-shaped sleeve tube 39, one end of the arc-shaped movable column 40 is connected to a slider 41, one end of the second conveying pipe 17 is connected to the arc-shaped sleeve tube 39, a spring is arranged inside the arc-shaped sleeve tube 39, and one open end of the spring is connected to the other end of the arc-shaped movable column 40;

[0057] Arc-shaped sliding grooves 37 are formed on both sides of the second clamping claw 15 . Both sides of the sliding block 41 extend out of the inner wall of the second clamping claw 15 through the arc-shaped sliding grooves 37 and are connected to the second extension rod 33 .

[0058] Specifically, oil is input into the arc-shaped sleeve 39 through the second delivery pipe 17, driving the arc-shaped movable column 40 to move, and the arc-shaped movable column 40 drives the slider 41 and the second clamping rod 33 to move, and the second clamping rod 33 surrounds the drill pipe to prevent it from falling off.

[0059] Preferably, a groove is provided at the bottom of the second clamping claw 15, and an extrusion block 34 is rotatably provided inside the groove. A third gear 38 is rotatably provided on one side of the second clamping claw 15, and one end of the third gear 38 is connected to one end of the extrusion block 34. A plurality of second teeth are provided on one side of the second extension rod 33, and the second teeth are meshed with the third gear 38.

[0060] Specifically, when the second clamping rod 33 moves, the third gear 38 is driven to rotate through the second tooth. The rotation of the third gear 38 drives the other end of the squeezing block 34 to move upward, and the two squeezing blocks 34 come into contact with the drill rod to squeeze the drill rod, thereby increasing the fixing effect and preventing the drill rod from sliding and rotating.

[0061] Preferably, one side of the two connecting strips 36 is hinged with a hinge rod 46, one end of the two hinge rods 46 is hinged with a hinge plate 48, a slide groove 47 is opened on the inner wall of the second square shell 14, the hinge plate 48 is slidably connected to the slide groove 47, and a third electromagnet 49 is arranged at the bottom of the hinge plate 48.

[0062] Specifically, during use, when the connecting strip 36 moves to clamp the pipe, the hinged rod 46 will drive the hinged plate 48 to move downward, and the third electromagnet 49 will contact the pipe through the downward movement of the hinged plate 48 to adsorb the pipe and enhance the fixing effect.

[0063] Working process: When in use, the two first gears 19 are driven to rotate by the first motor 27, and the first gear 19 is rotated to drive the first clamping claw 13 to move, and the two clamping claws 13 are brought close to each other to clamp the drill rod. After clamping, the mounting block 11 is driven to move upward by the oil cylinder 3, and the drill rod is driven to move upward synchronously, and then the rotating frame 2 is driven to rotate by the first steering gear 5, and the connecting column 9 is driven to rotate by the second steering gear 6, and the first clamping claw 13 is adjusted to be close to the machine claw device 8, and then the drill rod is dropped onto the machine claw device 8, and the drill rod is clamped by the machine claw device 8, and then the conveying chain 7 is started to drive the machine claw device 8 to move, and the trolley is arranged at the bottom of the conveying frame 1. When the machine claw device 8 moves to the top of the trolley, the drill rod is dropped into the trolley. After the drill rod is clamped by the first clamping claw 13, the oil delivery assembly is started, and oil is delivered to the interior of the storage chamber 24 through the oil delivery assembly, and the first extension rod 26 is driven outward by pressure, and the two first clamping rods 26 move closer to each other, thereby reducing the gap and preventing the drill rod from falling off, making it convenient to use. The third delivery pipe 23 is provided to deliver oil to the interior of the sleeve 18, and then the movable column 22 is driven outward by oil pressure, and the connecting rod 20 is driven to move by the movable column 22, so that the first electromagnet 21 contacts the top of the drill rod, and the first electromagnet 21 further strengthens the fixing effect of the drill rod;

[0064] The second gear 28 can be driven to rotate by the rotating shaft 35, and the rotation of the second gear 28 drives the moving rod 29 to move up and down. The two second gears 28 are turned in opposite directions by the arranged moving rod 29. The moving rod 29 moves downward to drive the sleeve block 30 and the second electromagnet 31 to move. The second electromagnet 31 contacts the drill rod to further strengthen the clamping effect on the drill rod. The oil is input into the arc sleeve tube 39 through the second delivery pipe 17 to drive the arc movable column 40 to move. The slider 41 and the second clamping rod 33 are driven to move by the arc movable column 40. The drill rod is surrounded by the second clamping rod 33 to prevent it from falling off. When the second clamping rod 33 moves, the third gear 38 is driven to rotate by the second teeth. The rotation of the third gear 38 drives the other end of the extrusion block 34 to move upward, and the two extrusion blocks 34 contact the drill rod to squeeze the drill rod to increase the fixing effect.

[0065] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A drill rod picking device, comprising a conveying frame (1), characterized in that: A rotating frame (2) is rotatably provided at one end of the conveying frame (1), a connecting column (9) is rotatably provided at one end of the rotating frame (2), a connecting block (10) is fixedly provided in the middle of the connecting column (9), a first steering gear (5) is provided at one end of the conveying frame (1), an output end of the first steering gear (5) is connected to the rotating frame (2), an oil cylinder (3) is provided inside the connecting block (10), and a mounting block (11) is fixedly connected to the output end of the oil cylinder (3); A first square shell (12) is provided at the bottom of the mounting block (11), a first motor (27) is fixedly provided on one side of the first square shell (12), two first gears (19) are relatively rotatably provided inside the first square shell (12), a first clamping claw (13) is fixedly provided on one side of the first gear (19), the two first gears (19) are meshed with each other, and an output end of the first motor (27) is connected to one of the first gears (19); Support legs (4) are arranged on both sides of the conveying frame (1), a conveying chain (7) is arranged inside the conveying frame (1), and a plurality of machine claw devices (8) are arranged on the conveying chain (7); A second steering gear (6) is provided at one end of the rotating frame (2), and an output end of the second steering gear (6) is connected to the connecting column (9).

2. A drill rod picking device according to claim 1, characterized in that: A storage cavity (24) is provided at the bottom of the first clamping claw (13), a first extension rod (26) is slidably arranged inside the storage cavity (24), the top of the first extension rod (26) is fitted with the inside of the storage cavity (24), a plurality of return springs (25) are fixedly arranged at the inner top of the storage cavity (24), and the bottoms of the plurality of return springs (25) are all connected to the top of the first extension rod (26); An oil delivery component is fixedly arranged inside the mounting block (11), and first delivery pipes (16) are arranged on both sides of the mounting block (11), one end of the first delivery pipe (16) is connected to the oil delivery component, and the other end of the first delivery pipe (16) is communicated with the storage chamber (24).

3. A drill rod picking device according to claim 2, characterized in that: A connecting rod (20) is hingedly connected inside the first clamping claw (13), one end of the connecting rod (20) is provided with a first electromagnet (21), a sleeve tube (18) is provided at the top of the first clamping claw (13), a movable column (22) is slidably provided inside the sleeve tube (18), and one end of the movable column (22) is hingedly connected to one end of the connecting rod (20); A third delivery pipe (23) is provided at the inner top of the storage chamber (24), and one end of the third delivery pipe (23) is connected to the sleeve (18); A spring is arranged inside the sleeve (18), and the spring is connected to the other end of the movable column (22).

4. A drill rod picking device according to claim 2, characterized in that: The oil delivery assembly comprises an oil storage tank (42) fixedly arranged inside the mounting block (11), a push plate (43) slidably arranged inside the oil storage tank (42), and an electric telescopic rod (44) fixedly arranged at one end inside the mounting block (11), wherein the output end of the electric telescopic rod (44) is connected to the push plate (43), and one end of the first delivery pipe (16) is connected to the oil storage tank (42).

5. A drill rod picking device according to claim 2, characterized in that: Two second square shells (14) are arranged at opposite ends of the mounting block (11); two rotating shafts (35) are arranged inside the second square shells (14) for relative rotation; a connecting strip (36) is arranged on one side of the rotating shaft (35); a second clamping claw (15) is connected to the bottom of the connecting strip (36); a second motor (45) is arranged on one side of the second square shell (14); an output end of the second motor (45) is connected to one of the rotating shafts (35); Two second conveying pipes (17) are connected to the first conveying pipe (16), and one end of the second conveying pipe (17) extends to the interior of the second clamping claw (15).

6. A drill rod picking device according to claim 5, characterized in that: Two second gears (28) are relatively rotatably arranged on the other side of the second square shell (14), the second gears (28) are connected to the rotating shaft (35), a moving rod (29) is slidably arranged on the other side of the second square shell (14), the moving rod (29) is located between the two second gears (28), and first teeth (32) are arranged on both sides of the moving rod (29), and the first teeth (32) are meshed with the second gears (28); The bottom of the moving rod (29) is sleeved with a sleeve block (30), the bottom of the sleeve block (30) is provided with a second electromagnet (31), and a spring is provided inside the sleeve block (30), and the top of the spring is connected to the bottom of the moving rod (29).

7. A drill rod picking device according to claim 5, characterized in that: An arc-shaped sleeve (39) is arranged inside the second clamping claw (15), an arc-shaped movable column (40) is slidably arranged inside the arc-shaped sleeve (39), one end of the arc-shaped movable column (40) is connected to a slider (41), one end of the second conveying pipe (17) is connected to the arc-shaped sleeve (39), a spring is arranged inside the arc-shaped sleeve (39), and an open end of the spring is connected to the other end of the arc-shaped movable column (40); Arc-shaped sliding grooves (37) are provided on both sides of the second clamping claw (15), and both sides of the sliding block (41) extend out of the inner wall of the second clamping claw (15) through the arc-shaped sliding grooves (37) and are connected to a second extension rod (33).

8. A drill rod picking device according to claim 7, characterized in that: A groove is provided at the bottom of the second clamping claw (15), and an extrusion block (34) is rotatably arranged inside the groove. A third gear (38) is rotatably arranged on one side of the second clamping claw (15), and one end of the third gear (38) is connected to one end of the extrusion block (34). A plurality of second teeth are provided on one side of the second extension rod (33), and the second teeth are meshed with the third gear (38).

9. A drill rod picking device according to claim 5, characterized in that: One side of the two connecting strips (36) is hinged with a hinge rod (46), one end of the two hinge rods (46) is hinged with a hinge plate (48), a sliding groove (47) is provided on the inner wall of the second square shell (14), the hinge plate (48) is slidably connected to the sliding groove (47), and a third electromagnet (49) is provided at the bottom of the hinge plate (48).

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