Drill rod taking and placing device for drilling machine

Abstract

The drill rod taking and placing device comprises a compartment, the top of the compartment is open, and two drill rod placing areas and a drill rod taking and placing area located between the two drill rod placing areas are arranged in the compartment; the bearing frame is arranged on the carriage and located at one end of the drill rod taking and placing area. According to the drilling rod feeding mechanism, after the drilling rod feeding mechanism conveys the drilling rod in one drilling rod containing area to the overturning moving mechanism in the drilling rod taking and placing area, the overturning moving mechanism can be directly used for pushing the drilling rod to the position below the driving mechanism, the drilling rod is rapidly connected with the driving mechanism, and the overturning moving mechanism can be matched with the positioning mechanism; the detached drill rods are turned back to the drill rod taking and placing area, the drill rod discharging mechanism can place the detached drill rods in another vacant drill rod placing area, and therefore the used drill rods and the unused drill rods are stored in a separated mode, follow-up maintenance is facilitated, and the situation that the drill rods are damaged due to mixed use can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of geotechnical exploration, and in particular to a drill rod taking and placing device for a drilling rig. Background Art

[0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] In order to understand the underground geological structure, assess geological risks and formulate construction plans, drilling rigs are used to obtain rock samples. In order to increase the total drilling depth and improve the convenience of transportation and handling, the drill rods used in the drilling rigs are often composed of multiple spliced ​​rods.

[0004] In order to reduce the workload of operators and improve the convenience of drill rod splicing, current drilling rigs use side-mounted manipulators to pick up drill rods. However, since the side-mounted manipulator is set on the side of the drilling rig, the drill rods can only be taken and placed on one side of the drilling rig. The space on one side of the drilling rig is small. In order to store as many drill rods as possible, used drill rods and unused drill rods will be mixed. As a result, when the used drill rods that have not been maintained are used, the mud on the surface of the drill rod will affect the smoothness of the subsequent splicing, and even cause the drill rod thread to wear and damage. Summary of the invention

[0005] The purpose of the present invention is to address the above-mentioned shortcomings and provide a drill rod retrieval device for a drilling rig, so as to achieve the purpose of distinguishing and placing used drill rods and unused drill rods.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solution: a drill rod taking and placing device for a drilling rig, comprising:

[0007] A carriage, wherein the top of the carriage is open, and two drill rod placement areas and a drill rod retrieval area located between the two drill rod placement areas are arranged inside the carriage;

[0008] A support frame is arranged on the carriage and is located at one end of the drill rod access area;

[0009] The driving mechanism is arranged on the support frame, can move up and down along the support frame, and is connected to the drill rod to drive the drill rod to rotate;

[0010] A plurality of clamping mechanisms are provided on the support frame and are used to fix the drill rod when the drill rod is disassembled or assembled;

[0011] The turning and moving mechanism is arranged in the drill rod taking and placing area of ​​the carriage, and is used to drive the drill rod on the turning and moving mechanism to turn over from the drill rod taking and placing area and move to coincide with the axis of the driving mechanism, and to drive the drill rod separated from the driving mechanism to turn over to the drill rod taking and placing area;

[0012] A positioning mechanism, arranged on the flipping and moving mechanism, for positioning the drill rod on the flipping and moving mechanism;

[0013] The drill rod loading mechanism is arranged in two drill rod placement areas of the carriage, and is used to transport the drill rods in one of the drill rod placement areas to the flipping and moving mechanism in the drill rod taking and placing area;

[0014] The drill rod unloading mechanism is arranged on the top of the carriage and can move between two drill rod placement areas, and is used to transport the drill rods on the flipping and moving mechanism in the drill rod taking and placing area to another drill rod placement area.

[0015] Furthermore, the carriage includes a carriage with an open top, wherein the carriage is provided with two partition plates for dividing the internal space of the carriage into two drill rod placement areas and a drill rod retrieval area, and the carriage is provided with a guide platform located in the drill rod placement area, and the top of the guide platform is provided with an inclined surface for guiding the drill rod to roll toward the side close to the partition plate.

[0016] Furthermore, the flipping and moving mechanism includes a slide slidably arranged in the drill rod taking and placing area and a first pushing component for driving the slide to move toward and away from one side of the support frame, a flap is rotatably arranged on the top of the slide, and a second pushing component for driving the flap to flip is rotatably arranged between the slide and the flap;

[0017] The support frame is in the shape of a gantry, and is used for the flip plate to pass through the support frame after flipping.

[0018] Further, the positioning mechanism includes a storage box arranged at the bottom of the flap, an arc-shaped positioning strip and a plurality of guide pillars for guiding the arc-shaped positioning strip to rotate around its own axis are rotatably arranged in the storage box, a tooth groove is provided on the arc-shaped positioning strip, a driving gear meshing with the tooth groove is rotatably arranged in the storage box, and a motor for driving the driving gear to rotate is also arranged on the storage box, and when one end of the arc-shaped positioning strip rotates to the highest point, the arc-shaped positioning strip and the flap are both in contact with the drill rod on the flap;

[0019] The positioning mechanism also includes a bottom supporting plate arranged at one end of the flap close to the supporting frame, and the bottom supporting plate is located in the area where the drill rod moves along the length direction of the flap.

[0020] Furthermore, the drill rod loading mechanism includes a lifting plate located at the bottom of the body, at least two baffles respectively penetrating two partition plates are arranged on the top of the lifting plate, a pushing plate for pushing the drill rod is arranged on the top of the baffle, and the side of the pushing plate close to the drill rod taking and placing area is flush with the side of the baffle close to the drill rod taking and placing area, and the drill rod loading mechanism also includes a third pushing component slidably arranged on the body and used to drive the lifting plate to move up and down, and a fourth pushing component arranged at the bottom of the body and used to drive the third pushing component to move between the two partition plates;

[0021] The carriage is provided with a first slide groove for the baffle plate and the third pushing member to move, and the partition plate is provided with a second slide groove for the push plate and the baffle plate to move. When the baffle plate moves to the extreme position along the first slide groove, the baffle plate and the push plate on one side are both located outside the corresponding drill rod taking and placing area, and the baffle plate and the push plate on the other side are located in the corresponding drill rod taking and placing area, so as to push the single drill rod closely attached to the partition plate to move upward when moving upward;

[0022] The flap is provided with a third sliding groove for the push plate to move up and down.

[0023] Furthermore, the drill rod unloading mechanism includes a horizontal slide arranged on the top of the car body and capable of moving between two drill rod placement areas. The horizontal slide is provided with a lifting and clamping assembly that can move with the horizontal slide, and is used to clamp the drill rod after the horizontal slide moves to the drill rod picking and placing area, and release the drill rod after the horizontal slide moves to the drill rod placement area.

[0024] Furthermore, an inlet and outlet hole for the flap to be moved out is provided on the compartment body, and the width of the horizontal slide is not less than the width of the inlet and outlet hole.

[0025] The beneficial effects of the present invention are embodied in:

[0026] The present invention divides the interior of the carriage into a drill rod picking and placing area and two drill rod placement areas, and the drill rod picking and placing area is located between the two drill rod placement areas, so that after the drill rod loading mechanism transports the drill rod in one of the drill rod placement areas to the flipping and moving mechanism located in the drill rod picking and placing area, the drill rod can be directly pushed to the bottom of the driving mechanism by the flipping and moving mechanism to be quickly connected to the driving mechanism, and the flipping and moving mechanism can also be used in conjunction with the positioning mechanism to flip the disassembled drill rod back to the drill rod picking and placing area, so that the drill rod unloading mechanism can place the disassembled drill rod in another vacant drill rod placement area, thereby separating the used drill rods from the unused drill rods for storage, which is convenient for subsequent maintenance and can also avoid mixed use and damage to the drill rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional view of the present invention;

[0028] Figure 2 It is a partial view of the carriage of the present invention;

[0029] Figure 3 It is a structural view of the flipping and moving mechanism of the present invention;

[0030] Figure 4 This is an assembly view of the positioning mechanism and the flap of the present invention;

[0031] Figure 5 It is a partial cross-sectional view of the positioning mechanism of the present invention;

[0032] Figure 6 It is a schematic diagram of the installation of the drill rod feeding mechanism of the present invention;

[0033] Figure 7 It is a structural view of the drill rod feeding mechanism of the present invention.

[0034] In the figure:

[0035] 1. Carriage; 11. Carriage body; 12. Partition plate; 13. Guide platform; 2. Support frame; 3. Driving mechanism; 4. Clamping mechanism; 5. Turning and moving mechanism; 51. Slide; 52. First pushing member; 53. Turning plate; 54. Second pushing member; 6. Positioning mechanism; 61. Storage box; 62. Arc-shaped positioning strip; 63. Guide column; 64. Driving gear; 65. Motor; 66. Bottom support plate; 7. Drill rod feeding mechanism; 71. Lifting plate; 72. Baffle plate; 73. Pushing plate; 74. Third pushing member; 75. Fourth pushing member; 8. Drill rod unloading mechanism. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-7 The present invention discloses a drill rod taking and placing device for a drilling rig, comprising:

[0038] The carriage 1 has an open top and is provided with two drill rod placement areas and a drill rod retrieval area between the two drill rod placement areas;

[0039] The support frame 2 is arranged on the carriage 1 and is located at one end of the drill rod access area;

[0040] The driving mechanism 3 is arranged on the supporting frame 2, can move up and down along the supporting frame 2, and is connected to the drill rod to drive the drill rod to rotate;

[0041] A plurality of clamping mechanisms 4 are provided on the support frame 2 and are used to fix the drill rod when the drill rod is disassembled or assembled;

[0042] The turning and moving mechanism 5 is arranged in the drill rod taking and placing area of ​​the carriage 1, and is used to drive the drill rod on the turning and moving mechanism 5 to turn over from the drill rod taking and placing area and move to coincide with the axis of the driving mechanism 3, and to drive the drill rod separated from the driving mechanism 3 to turn over to the drill rod taking and placing area;

[0043] A positioning mechanism 6, disposed on the flipping and moving mechanism 5, for positioning the drill rod on the flipping and moving mechanism 5;

[0044] The drill rod loading mechanism 7 is arranged in two drill rod placement areas of the carriage 1, and is used to transport the drill rods in one of the drill rod placement areas to the flipping and moving mechanism 5 in the drill rod placement area;

[0045] The drill rod unloading mechanism 8 is arranged on the top of the carriage 1 and can move between the two drill rod placement areas, and is used to transport the drill rods on the flipping and moving mechanism 5 in the drill rod placement area to another drill rod placement area.

[0046] The present invention divides the interior of the carriage 1 into a drill rod picking and placing area and two drill rod placement areas, and the drill rod picking and placing area is located between the two drill rod placement areas, so that after the drill rod loading mechanism 7 transports the drill rod in one of the drill rod placement areas to the flipping and moving mechanism 5 located in the drill rod picking and placing area, the positioning mechanism 6 can position the drill rod, and then the flipping and moving mechanism 5 can be directly used to push the drill rod to the bottom of the driving mechanism 3, and quickly connected to the driving mechanism 3 with the cooperation of the clamping mechanism 4. The flipping and moving mechanism 5 can also be used in cooperation with the positioning mechanism 6 to flip the disassembled drill rod back to the drill rod picking and placing area, so that the drill rod unloading mechanism 8 can place the disassembled drill rod in another vacant drill rod placement area, thereby separating the used drill rods and the unused drill rods, which is convenient for subsequent maintenance and can also avoid mixed use and damage to the drill rods.

[0047] It should be noted that the driving mechanism 3 and the clamping mechanism 4 mentioned above are common knowledge in the art, so their specific structural composition and working principle will not be described in detail in this article.

[0048] In one embodiment, the carriage 1 includes a body 11 with an open top, and two partition plates 12 are provided in the body 11 for dividing the internal space of the carriage 1 into two drill rod placement areas and a drill rod retrieval area. A guide platform 13 is provided in the body 11 and is located in the drill rod placement area. The top of the guide platform 13 is provided with an inclined surface for guiding the drill rod to roll toward a side close to the partition plate 12. The top of the two partition plates 12 close to the drill rod retrieval area is provided with at least one guide plate for assisting the drill rod to roll into the drill rod retrieval area.

[0049] This design enables the drill rods accumulated in the drill rod placement area to be as close to the drill rod placement area as possible under the action of the inclined surface of the guide platform 13, so as to facilitate the subsequent loading of the drill rod loading mechanism 7.

[0050] In one embodiment, the flipping and moving mechanism 5 includes a slide 51 slidably arranged in the drill rod taking and placing area and a first pushing component 52 for driving the slide 51 to move toward and away from the supporting frame 2. A flap 53 is rotatably arranged on the top of the slide 51. A V-shaped groove is provided on the top of the flap 53 for keeping the drill rod on the flap 53 centered under the guidance of the V-shaped groove. A second pushing component 54 is rotatably arranged between the slide 51 and the flap 53 for driving the flap 53 to flip.

[0051] The support frame 2 is in the shape of a gantry, and is used for the flip plate 53 to pass through the support frame 2 after being turned over.

[0052] This design enables the drill rod to be aligned with the axis of the driving mechanism 3 after being turned over, without the need for repeated adjustments, thereby effectively improving the efficiency of disassembly and assembly of the drill rod.

[0053] When the drill rod is needed, the flap 53 on which the drill rod is placed is rotated from a horizontal state to a vertical state under the extension and contraction drive of the second pushing component 54, and then the first pushing component 52 is used to drive the slide 51 to move toward the side close to the support frame 2, so that the flipped flap 53 passes through the support frame 2, and drives the drill rod to move to the bottom of the driving mechanism 3, so that after the drill rod is clamped by the clamping mechanism 4, the driving mechanism 3 can move down to approach the drill rod and rotate in the process, so that they are screwed together under the action of the thread.

[0054] When it is necessary to place a drill rod, first fix the other drill rod connected to the drill rod to be placed through the clamping mechanism 4, and reverse the driving mechanism 3 to separate the drill rod to be placed from the drill rod. Then, the driving mechanism 3 moves up to lift the drill rod to be placed, and then the empty flap 53 is flipped and moved to fit the drill rod to be placed. Then, the positioning mechanism 6 is used to position the drill rod, and the drill rod to be placed is fixed by the clamping mechanism 4. After fixing, the driving mechanism 3 is continued to be reversed to separate the drill rod to be placed from the driving mechanism 3. Then, the flap 53 can be flipped and reset with the cooperation of the first pushing component 52 and the second pushing component 54, driving the drill rod fixed on the flap 53 to move back to the drill rod picking and placing area.

[0055] In one embodiment, the positioning mechanism 6 includes a storage box 61 arranged at the bottom of the flap 53, an arc-shaped positioning strip 62 and a plurality of guide pillars 63 for guiding the arc-shaped positioning strip 62 to rotate around its own axis are rotatably arranged in the storage box 61, a tooth groove is provided on the arc-shaped positioning strip 62, a driving gear 64 meshing with the tooth groove is rotatably arranged in the storage box 61, and a motor 65 for driving the driving gear 64 to rotate is also provided on the storage box 61, and when one end of the arc-shaped positioning strip 62 rotates to the highest point, the arc-shaped positioning strip 62 and the flap 53 are both in contact with the drill rod on the flap 53;

[0056] The positioning mechanism 6 further includes a bottom supporting plate 66 disposed at one end of the flap 53 close to the support frame 2 . The bottom supporting plate 66 is located in the area where the drill rod moves along the length direction of the flap 53 .

[0057] This design enables the motor 65 to control the arc-shaped positioning strip 62 to move out of and into the storage box 61, and to position the drill rod axially when it moves to the highest point. When the flap 53 flips over, the drill rod moves toward the side close to the bottom support plate 66 due to its own gravity until it abuts against the bottom support plate 66, thereby completing the positioning of the direction of the drill rod end and ensuring the accuracy of the position of the drill rod after movement.

[0058] In one embodiment, the drill rod loading mechanism 7 includes a lifting plate 71 located at the bottom of the body 11, at least two baffles 72 respectively penetrating the two partition plates 12 are arranged on the top of the lifting plate 71, a pushing plate 73 for pushing the drill rod is arranged on the top of the baffle 72, and an inclined surface for guiding the drill rod to roll into the drill rod taking and placing area is arranged on the top of the pushing plate 73, so that the drill rod is pushed out above the partition plate 12 and automatically rolls to the side of the drill rod taking and placing area, and the side of the pushing plate 73 close to the drill rod taking and placing area is flush with the side of the baffle 72 close to the drill rod taking and placing area, and the drill rod loading mechanism 7 also includes a third pushing component 74 slidably arranged on the body 11 and used to drive the lifting plate 71 to move up and down, and a fourth pushing component 75 arranged at the bottom of the body 11 and used to drive the third pushing component 74 to move between the two partition plates 12;

[0059] The compartment 11 is provided with a first slide groove for the baffle plate 72 and the third pushing member 74 to move, and the partition plate 12 is provided with a second slide groove for the push plate 73 and the baffle plate 72 to move. When the baffle plate 72 moves to the extreme position along the first slide groove, the baffle plate 72 and the push plate 73 on one side are both located outside the corresponding drill rod access area, and the baffle plate 72 and the push plate 73 on the other side are located in the corresponding drill rod access area, so as to push the single drill rod closely attached to the partition plate 12 upward when moving upward;

[0060] The flap 53 is provided with a third slide groove for the push plate 73 to move up and down.

[0061] Such a design enables one drill rod access area to store unused drill rods while the other drill rod access area can be used to store used drill rods. The two drill rod access areas can be used alternately, which is more suitable for the drill rod access operation.

[0062] When in use, the fourth pushing component 75 can push the third pushing component 74 to move to the side where unused drill rods are already stored, so that when the third pushing component 74 lifts the lifting plate 71, the pushing plate 73 can lift a single drill rod from the corresponding drill rod picking and placing area during the upward movement. When the drill rod lifting height exceeds the partition plate 12, it rolls onto the flap 53 under the action of the inclined surface of the pushing plate 73. By repeating the above operation, continuous drill rod loading can be completed. After the drill rods on this side are used up, the drill rods collected on the other side are cleaned up, and then the fourth pushing component 75 drives the third pushing component 74 to move to that side, so that when the third pushing component 74 lifts the lifting plate 71, the pushing plate 73 can push the drill rod from that side.

[0063] It should be noted that the first pushing component 52, the second pushing component 54, the third pushing component 74 and the fourth pushing component 75 can all adopt hydraulic telescopic components, pneumatic telescopic components and electric telescopic components in the prior art, which are mature prior arts and will not be elaborated herein.

[0064] In one embodiment, the drill rod unloading mechanism 8 includes a horizontal slide arranged on the top of the carriage 11 and capable of moving between two drill rod placement areas. The horizontal slide is provided with a lifting and clamping assembly that can move with the horizontal slide, and is used to clamp the drill rod after the horizontal slide moves to the drill rod picking and placing area, and release the drill rod after the horizontal slide moves to the drill rod placement area.

[0065] With this design, since the flap 53 has positioned the drill rod when retrieving it, the horizontal slide can be directly controlled to drive the lifting and clamping assembly to move to just above the flap 53 to clamp the drill rod, which can effectively reduce the retrieval time. Moreover, since the lifting and clamping assembly can drive the drill rod to move up and down, the collision of the drill rod with surrounding objects when it falls can be reduced during the placement of the drill rod, thereby improving the protection of the drill rod.

[0066] It should be noted that the above-mentioned horizontal slide and lifting clamping assembly are common knowledge in the art, so their specific structural composition and working principle will not be described in detail in this article.

[0067] In one embodiment, an inlet and outlet hole is provided on the compartment body 11 for the flap 53 to be moved out, and the width of the horizontal slide is not less than the width of the inlet and outlet hole.

[0068] Such a design enables the horizontal slide to be stably transferred between the two drill rod placement areas without interfering with the turning over of the flap 53 .

[0069] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0070] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0071] In addition, "plurality" means two or more.

[0072] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drill rod picking and placing device for a drilling rig, characterized in that: include: A carriage (1), wherein the top of the carriage (1) is open, and two drill rod placement areas and a drill rod retrieval area located between the two drill rod placement areas are arranged inside the carriage (1); A support frame (2) is arranged on the carriage (1) and is located at one end of the drill rod access area; A driving mechanism (3) is arranged on the support frame (2), is capable of moving up and down along the support frame (2), and is connected to the drill rod to drive the drill rod to rotate; A plurality of clamping mechanisms (4) are arranged on the support frame (2) and are used to fix the drill rod when the drill rod is being disassembled or assembled; A turning and moving mechanism (5) is arranged in a drill rod taking and placing area of ​​the carriage (1), and is used to drive the drill rod on the turning and moving mechanism (5) to turn over from the drill rod taking and placing area and move to coincide with the axis of the driving mechanism (3), and is used to drive the drill rod separated from the driving mechanism (3) to turn over to the drill rod taking and placing area; A plurality of positioning mechanisms (6) are arranged on the flipping and moving mechanism (5) and are used to position the drill rod on the flipping and moving mechanism (5); A drill rod loading mechanism (7) is arranged in two drill rod placement areas of the carriage (1) and is used to transport the drill rods in one of the drill rod placement areas to the flipping and moving mechanism (5) in the drill rod placement area; The drill rod unloading mechanism (8) is arranged on the top of the carriage (1) and is movable between two drill rod placement areas, and is used to transport the drill rods on the flipping and moving mechanism (5) in the drill rod placement area to another drill rod placement area.

2. A drill rod taking and placing device for a drilling rig according to claim 1, characterized in that: The carriage (1) comprises a carriage body (11) with an open top, wherein the carriage body (11) is provided with two partition plates (12) for dividing the interior space of the carriage (1) into two drill rod placement areas and a drill rod retrieval area, wherein the carriage body (11) is provided with a guide platform (13) located in the drill rod placement area, and the top of the guide platform (13) is provided with an inclined surface for guiding the drill rod to roll toward a side close to the partition plate (12).

3. A drill rod taking and placing device for a drilling rig according to claim 2, characterized in that: The flipping and moving mechanism (5) comprises a slide (51) slidably arranged in the drill rod taking and placing area and a first pushing component (52) used to drive the slide (51) to move toward and away from the support frame (2); a flip plate (53) is rotatably arranged on the top of the slide (51); and a second pushing component (54) is rotatably arranged between the slide (51) and the flip plate (53) for driving the flip plate (53) to flip; The support frame (2) is in the shape of a gantry, and is used for allowing the flip plate (53) to pass through the support frame (2) after being turned over.

4. A drill rod taking and placing device for a drilling rig according to claim 3, characterized in that: The positioning mechanism (6) comprises a storage box (61) arranged at the bottom of the flap (53), an arc-shaped positioning strip (62) and a plurality of guide posts (63) for guiding the arc-shaped positioning strip (62) to rotate around its own axis are rotatably arranged in the storage box (61), a tooth groove is provided on the arc-shaped positioning strip (62), a driving gear (64) meshing with the tooth groove is rotatably arranged in the storage box (61), and a motor (65) for driving the driving gear (64) to rotate is also arranged on the storage box (61), and when one end of the arc-shaped positioning strip (62) rotates to the highest point, the arc-shaped positioning strip (62) and the flap (53) both abut against the drill rod on the flap (53); The positioning mechanism (6) further comprises a bottom supporting plate (66) arranged at one end of the flap (53) close to the support frame (2), and the bottom supporting plate (66) is located in the area where the drill rod moves along the length direction of the flap (53).

5. The drill rod taking and placing device for a drilling rig according to claim 3, characterized in that: The drill rod loading mechanism (7) comprises a lifting plate (71) located at the bottom of the body (11); at least two baffles (72) respectively penetrating two partition plates (12) are arranged on the top of the lifting plate (71); a pushing plate (73) for pushing the drill rod is arranged on the top of the baffle (72); the pushing plate (73) is close to the drill rod taking and placing area and is flush with the baffle (72) close to the drill rod taking and placing area; the drill rod loading mechanism (7) further comprises a third pushing component (74) slidably arranged on the body (11) and used to drive the lifting plate (71) to move up and down; and a fourth pushing component (75) arranged at the bottom of the body (11) and used to drive the third pushing component (74) to move between the two partition plates (12); The carriage (11) is provided with a first slide groove for the baffle plate (72) and the third pushing member (74) to move, and the partition plate (12) is provided with a second slide groove for the push plate (73) and the baffle plate (72) to move. When the baffle plate (72) moves to an extreme position along the first slide groove, the baffle plate (72) and the push plate (73) on one side are both located outside the corresponding drill rod taking and placing area, and the baffle plate (72) and the push plate (73) on the other side are located in the corresponding drill rod taking and placing area, so as to push the single drill rod closely attached to the partition plate (12) to move upward when moving upward; The flap (53) is provided with a third sliding groove for the push plate (73) to move up and down.

6. The drill rod taking and placing device for a drilling rig according to claim 2, characterized in that: The drill rod unloading mechanism (8) comprises a horizontal slide which is arranged on the top of the compartment (11) and can move between two drill rod placement areas. The horizontal slide is provided with a lifting clamping assembly which can move with the horizontal slide and is used to clamp the drill rod after the horizontal slide moves to the drill rod placement area, and to release the drill rod after the horizontal slide moves to the drill rod placement area.

7. A drill rod taking and placing device for a drilling rig according to claim 6, characterized in that: The compartment body (11) is provided with an inlet and outlet hole for the flap (53) to be moved out, and the width of the horizontal slide is not less than the width of the inlet and outlet hole.

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