Automatic rod feeding box

Abstract

The invention relates to the technical field of underground drill rig equipment, in particular to an automatic rod feeding box which comprises a rod storage box, and partition plates arranged side by side are correspondingly arranged on the two sides of the interior of the rod storage box; a horizontal rod feeding mechanism is arranged at the bottom of the partition plate, lifting mechanisms are arranged on the two sides of the horizontal rod feeding mechanism, the bottom of the horizontal rod feeding mechanism is in transmission connection with a first driving device, and a supporting groove used for containing a drill rod is formed in the front end of the supporting frame. According to the technical scheme, the drill rod storage boxes are located on the two sides of the machine body and the rear portion of the rotating device, under the cooperation of the horizontal transmission mechanism and the lifting mechanism, the drill rod at the bottommost portion of each drill rod storage box is sent out, and the drill rod is conveyed out through the second driving device and the third driving device. The clamping jaw is used for grabbing, vertically and transversely moving and then moving to a rod feeding position, the operation radius of the clamping jaw is small, and the device is particularly used in low and narrow roadways. The structure is simple, stability is good and cost is low.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel drilling equipment, and in particular to an automatic rod feeding box. Background Art

[0002] The power head tunnel drilling rig is a highly efficient drilling equipment that can realize the actions of drilling tool rotation, feeding and pulling, and is widely used in coal mining, geological exploration, tunnel engineering and other fields. At present, some advanced power head tunnel drilling rigs are equipped with automatic rod adding devices, which can automatically complete the operations of grabbing, conveying, connecting and clamping the drill rod, greatly reducing the labor intensity and safety risks of operators.

[0003] The patent number in the prior art is CN202410573525.8, and the name is a Chinese patent for an automatic drilling vehicle for coal mines that is efficient and intelligent in grabbing and placing drill rods. A transport robot is used to grab, transport and place drill rods. The transport robot includes a base fixedly mounted on a host body, a robotic arm body, a robotic arm upper arm, a robotic arm lower arm, and a robotic arm gripper, so that it has 6 degrees of freedom, so that the robot can move its joints within a nearly spherical working range to achieve free movement of the robot arm in three-dimensional space; thereby achieving the purpose of grabbing and transporting drill rods.

[0004] However, the above-mentioned automatic drilling vehicle still has some shortcomings: on the one hand, as a complex mechanical system with high precision, multiple inputs and multiple outputs, the cost of operation and maintenance of the robotic arm is relatively high; on the other hand, in space-constrained environments such as low and narrow alleys, the robotic arm needs sufficient space to complete operations such as grasping, conveying, connecting and clamping, and the operating radius is large, which will reduce its adaptability. Summary of the invention

[0005] In order to solve the problems in the prior art of using a mechanical arm to grab drill rods in a low and narrow tunnel, such as a large operating radius, low adaptability and a complex mechanical system, the present invention provides an automatic rod feeding box, which has the characteristics of a small operating radius and a simple structure.

[0006] To achieve the above-mentioned purpose, the present invention provides an automatic rod feeding box, including a rod storage box, wherein both sides of the interior of the rod storage box are provided with parallel partition plates; a horizontal rod feeding mechanism is provided at the bottom of the partition plates, and the horizontal rod feeding mechanism includes a support frame, and a bracket for placing a drill rod is provided at the front end of the support frame; lifting mechanisms are provided on both sides of the horizontal rod feeding mechanism, and a first driving device is connected to the bottom of the horizontal rod feeding mechanism in a transmission manner.

[0007] Furthermore, it also includes a grabbing mechanism, a second driving device for driving the grabbing mechanism to move up and down, and a third driving device for driving the second driving device to move horizontally.

[0008] Furthermore, the lifting mechanism includes a bracket and a lifting rod connected to the bracket, and the upper part of the bracket is provided with a clamping groove arranged side by side and matching the shape of the drill rod.

[0009] Furthermore, a transmission rack is provided at the bottom of the support frame, and the first driving device includes a motor and a transmission gear transmission-connected to the motor, and the transmission gear is meshed and transmission-connected to the transmission rack.

[0010] Furthermore, the gripping mechanism includes a fixed seat, a telescopic cylinder is installed on the inner side of the bottom of the fixed seat, the end of the telescopic cylinder is provided with an output end with a double-sided rack, two corresponding clamping jaws are hinged on both sides of the bottom of the fixed seat, and the upper ends of the two clamping jaws are opposite to each other and are provided with arc gears meshing with the double-sided rack.

[0011] Furthermore, the second driving device includes a vertical telescopic rod, the output end of which is fixedly connected to the fixed seat; an explosion-proof travel switch is provided on the side of the vertical telescopic rod; the third driving device includes a guide rail bracket and a transmission motor, a slider is provided on the guide rail bracket, the transmission motor is connected to the slider through a chain, and the slider is fixedly connected to the vertical telescopic rod; a displacement sensor matching the slider is provided on the guide rail bracket.

[0012] The beneficial effects of the present invention are as follows: the rod storage box in the present scheme is located on both sides of the machine body and at the rear of the rotary device. Through the cooperation of the horizontal transmission mechanism and the lifting mechanism, a drill rod at the bottom of the rod storage box is sent out and grabbed by the clamp. After vertical and horizontal movement, it is moved to the rod sending position. The operating radius of the clamp is small, and it is especially used in low and narrow tunnels. It has a simple structure, good stability and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of the automatic rod feeding box in the present invention in use state;

[0014] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0015] Figure 3 for Figure 1 The side structure diagram of

[0016] Figure 4 for Figure 1 The front structure diagram of

[0017] Figure 5 for Figure 1 A top view of

[0018] Figure 6 It is a schematic diagram of the overall structure of the automatic rod feeding box of the present invention;

[0019] In the figure: 1. rod storage box; 2. partition plate; 3. support frame; 4. bracket; 5. lifting rod; 6. slot; 7. guide rod; 8. transmission rack; 9. transmission gear; 10. fixed seat; 11. clamping claw; 12. double-sided rack; 13. arc gear; 14. vertical telescopic rod; 15. travel switch; 16. guide rail bracket; 17. slider; 18. displacement sensor; 19. machine body; 20. drill rod; 21. rod feeding position; 22. transmission motor; 23. chain; 23. bracket. DETAILED DESCRIPTION

[0020] The automatic rod feeding box of the present invention is described in detail below in conjunction with specific embodiments.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, an automatic rod feeding box comprises a rod storage box 1, and partition plates 2 arranged in parallel are provided on both sides of the interior of the rod storage box 1; a horizontal rod feeding mechanism is provided at the bottom of the partition plates 2, and the horizontal rod feeding mechanism comprises a support frame 7, and a bracket 4 for placing a drill rod 20 is provided at the front end of the support frame 7; lifting mechanisms are provided on both sides of the horizontal rod feeding mechanism, and a first driving device is connected to the bottom of the horizontal rod feeding mechanism in a transmission manner; it also includes a grasping mechanism, a second driving device for driving the grasping mechanism to rise and fall, and a third driving device for driving the second driving device to move horizontally.

[0022] The present invention can be used in conjunction with the drilling rig of CN116163664A that keeps drilling and adding rods. The automatic rod delivery box is installed behind the rotary mechanism mounting seat on both sides of the machine body 19. The drill rods 20 are placed in sequence along the partition plate 2 in the rod storage box 1, and the bottom drill rod 20 falls on the lifting mechanism. During the rod delivery process, the lifting mechanism holds the bottom drill rod 20, and the horizontal rod delivery mechanism is started, so that the bracket 4 enters under the drill rod 20 at the bottom of a certain partition plate 2, and then the lifting mechanism descends, and the bottom drill rod 20 falls on the support frame 3, and a drill rod 20 corresponding to the bracket 4 falls into the bracket 4, and the first drive device drives the support frame 3 to move to the rod delivery position 21 behind the rotary mechanism, that is, moves forward, and the bracket 4 takes the drill rod 20 out of the rod storage box 1, and then the lifting mechanism rises and continues to lift other drill rods 20, and the third drive device drives the second drive device to move above the bracket 4, and the second drive device drives the grabbing mechanism to descend and grab the drill rod 20, and then moves the drill rod 20 to the rod delivery position 21, ready to transport the drill rod 20 to the rotary mechanism for installation, and finally each mechanism is reset to prepare for the next rod delivery.

[0023] like Figure 3 , Figure 6As shown, the lifting mechanism includes a bracket 23 and a lifting rod 5 connected to the bracket 23. The upper part of the bracket 23 is provided with a slot 6 arranged side by side and matching the shape of the drill rod 20. The slot 6 is spaced at the same distance from the partition plate 2 so as to stably lift the drill rod 20 in each partition plate 2. The bracket 23 is provided at both ends of the bottom of the drill rod 20. The lifting rod 5 is a hydraulic cylinder, and the extended end of the hydraulic cylinder is connected to the side of the bracket 23 by a link. Guide rods 7 are installed on both sides of the bracket 23, and the brackets 23 on both sides are symmetrically arranged.

[0024] like Figure 3 , Figure 6 As shown, a transmission rack 8 is provided at the bottom of the support frame 7, and the first driving device includes a motor and a transmission gear 9 connected to the motor, and the transmission gear 9 is meshed and connected to the transmission rack 8. The motor is an explosion-proof motor, and the motor drives the transmission gear 9 to rotate, thereby driving the support frame 7 to move horizontally through the transmission rack 8, and the bracket 4 is moved under the bottom drill rod 20 of each partition plate 2, so that the drill rod 20 falls into the bracket 4.

[0025] like Figure 2 As shown, the grabbing mechanism includes a fixed seat 10, a telescopic cylinder is installed on the inner side of the bottom of the fixed seat 10, an output end with a double-sided rack 12 is provided at the end of the telescopic cylinder, two corresponding clamping jaws 11 are hinged on both sides of the bottom of the fixed seat 10, and arc gears 13 meshing with the double-sided rack 12 are provided on the upper ends of the two clamping jaws 11. The double-sided rack 12 of the telescopic cylinder extends and contracts, driving the clamping jaws 11 to open and close, so that the drill rod 20 can be clamped or put down.

[0026] The second driving device includes a vertical telescopic rod 14, the output end of which is fixedly connected to the fixed seat 10; an explosion-proof travel switch 15 is provided on the side of the vertical telescopic rod 14; the third driving device includes a guide rail bracket 16 and a transmission motor 22, a slider 17 is provided on the guide rail bracket 16, the transmission motor 22 is transmission-connected to the slider 17 through a chain 23, and the slider 17 is fixedly connected to the vertical telescopic rod 14; a displacement sensor 18 matched with the slider 17 is provided on the guide rail bracket 16. The vertical telescopic rod 14 drives the grasped drill rod 20 to move up and down; the transmission motor 22 drives the slider 17 and the second driving mechanism and the grasped drill rod 20 to move horizontally; thereby the grasped drill rod 20 is moved to the rod delivery position 21. By providing the explosion-proof travel switch 15 and the displacement sensor 18, the position of the drill rod 20 to be moved in the vertical direction and the horizontal direction can be controlled to improve the accuracy of the rod delivery.

Claims

1. An automatic rod feeding box, comprising a rod storage box (1), wherein both sides of the rod storage box (1) are provided with partition plates (2) arranged in parallel; a horizontal rod feeding mechanism is provided at the bottom of the partition plates (2), and the horizontal rod feeding mechanism comprises a support frame (7), and a bracket (4) for placing a drill rod (20) is provided at the front end of the support frame (7); lifting mechanisms are provided on both sides of the horizontal rod feeding mechanism, and a first driving device is connected to the bottom of the horizontal rod feeding mechanism in a transmission manner.

2. The automatic rod delivery box according to claim 1, characterized in that: It also includes a grabbing mechanism, a second driving device for driving the grabbing mechanism to move up and down, and a third driving device for driving the second driving device to move horizontally.

3. The automatic rod feeding box according to claim 2, characterized in that: The gripping mechanism comprises a fixed seat (10), a telescopic cylinder is installed on the inner side of the bottom of the fixed seat (10), an output end with a double-sided rack (12) is provided at the end of the telescopic cylinder, two corresponding clamping claws (11) are hinged on both sides of the bottom of the fixed seat (10), and arc gears (13) meshing with the double-sided rack (12) are provided on the upper ends of the two clamping claws (11) facing each other.

4. The automatic rod feeding box according to claim 2 or 3, characterized in that: The second driving device comprises a vertical telescopic rod (14), the output end of which is fixedly connected to the gripping mechanism; a travel switch (15) is provided on the side of the vertical telescopic rod (14); the third driving device comprises a guide rail bracket (16) and a transmission motor (22); a slider (17) is provided on the guide rail bracket (16); the transmission motor (22) is transmission-connected to the slider (17) via a chain (23); and the slider (17) is fixedly connected to the vertical telescopic rod (14); A displacement sensor (18) matched with the slide block (17) is provided on the guide rail bracket (16).

5. The automatic rod delivery box according to claim 1, 2 or 3, characterized in that: A transmission rack (8) is provided at the bottom of the support frame (7); the first driving device comprises a motor and a transmission gear (9) transmission-connected to the motor; the transmission gear (9) is meshingly transmission-connected to the transmission rack (8).

6. The automatic rod feeding box according to claim 4, characterized in that: A transmission rack (8) is provided at the bottom of the support frame (7); the first driving device comprises a motor and a transmission gear (9) transmission-connected to the motor; the transmission gear (9) is meshingly transmission-connected to the transmission rack (8).

7. The automatic rod feeding box according to claim 1, 2, 3 or 6, characterized in that: The lifting mechanism comprises a bracket (23) and a lifting rod (5) connected to the bracket (23); a clamping groove (6) arranged side by side and matching the shape of the drill rod (20) is provided on the upper part of the bracket (23).

8. The automatic rod delivery box according to claim 4, characterized in that: The lifting mechanism comprises a bracket (23) and a lifting rod (5) connected to the bracket (23); a clamping groove (6) arranged side by side and matching the shape of the drill rod (20) is provided on the upper part of the bracket (23).

9. The automatic rod feeding box according to claim 5, characterized in that: The lifting mechanism comprises a bracket (23) and a lifting rod (5) connected to the bracket (23); a clamping groove (6) arranged side by side and matching the shape of the drill rod (20) is provided on the upper part of the bracket (23).

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