A drill rod stabilizing device suitable for taphole opening machine
By designing a drill pipe stabilization device for an iron opening machine, the combination of lifting, detachment and limiting parts is used to solve the problem of radial jitter during drilling, and the regularity and stability of the drilling hole are achieved.
Patent Information
- Application Number
- CN202421501183.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-28
AI Technical Summary
During the drilling process of the drill pipe of the iron opening machine, due to high-speed rotation and axial impact movement, the drill pipe will be radially bending and jittering, affecting the regularity of the iron outlet channel.
A drill rod stabilization device is designed, including a lifting part, a split-combination part and a limiting part. The lifting part drives the splitting and closing part and the limiting part to take off and land vertically. The splitting and closing mechanism drives the positioning mechanism away or approaches each other through the motor and the lead screw to form an annular limiting channel, limiting the radial movement of the drill rod and reducing jitter.
It effectively limits the radial jitter and deformation of the drilling rod during drilling, ensures the regularity of the drilling hole at the outlet, and improves the stability and accuracy of the drilling hole.
Smart Images
Figure CN222715385U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a drill rod stabilizing device, in particular to a stabilizing device which can position the drill rod of an iron mouth opening machine during drilling to ensure that radial vibration is reduced as much as possible, and belongs to the technical field of drill rod stabilizing equipment of the iron mouth opening machine. Background Art
[0002] A blast furnace is an iron-making equipment, in which molten iron is discharged through the taphole at the bottom of the blast furnace; during production, the taphole is blocked by refractory mud; when the molten iron needs to be discharged, a taphole opening machine is needed to clear the taphole and then open it; the taphole opening machine completes the taphole clearing operation by drilling a drill rod; during the drilling process, the drill rod needs to rotate at high speed and perform axial impact motion, and the drill rod is too long, which will cause radial bending and shaking during the drilling process of the drill rod, which will cause the drilled taphole channel to be irregular and skewed, affecting the tapping operation; therefore, a drill rod stabilizing device is needed, which is required to ensure the radial stability of the drill rod during the drilling process of the drill rod, avoid radial shaking of the drill rod, and ensure the regularity of the drill hole. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a drill rod stabilizing device suitable for an iron outlet opening machine, which can reliably restrict the drill rod, limit the movement of the drill rod within a specified trajectory, minimize radial jitter and deformation, and ensure the regularity of the iron outlet drilling hole.
[0004] The problem described in the utility model is solved by the following technical solutions:
[0005] A drill rod stabilizing device suitable for an iron mouth opening machine comprises a lifting part, a separation and combination part and a limiting part; the lifting part is arranged on the ground in front of a blast furnace iron mouth; the separation and combination part and the limiting part are both arranged on the lifting part; the lifting part comprises a fixed plate, a guide plate, a first electric cylinder and a lifting plate; the fixed plate is arranged on the ground through a bracket, and its height is higher than the height of the iron mouth; the shell of the first electric cylinder is arranged on the top end surface of the fixed plate, and the end of its piston rod is connected to the center of the top end surface of the lifting plate, and the lifting plate is located directly below the fixed plate; guide plates are arranged on both sides of the upper end surface of the lifting plate, and guide holes are arranged on the fixed plate, and guide plates corresponding to the positions are penetrated in each guide hole.
[0006] The above-mentioned drill rod stabilizing device suitable for the iron mouth opening machine, the separation and combination part includes a separation and combination mechanism and a positioning mechanism; the separation and combination mechanism is arranged on the bottom end surface of the lifting plate; the positioning mechanism is arranged on the separation and combination mechanism; the separation and combination mechanism includes a motor, a screw, a screw nut and a slider; the motor housing is arranged at one end of the lower end surface of the lifting plate, and a support plate is arranged at the other end of the lower end surface of the lifting plate, and one end of the screw is connected to the motor output shaft, and the other end is connected to the support plate axis; the axis line of the screw is parallel to the length direction line of the lifting plate; the bottom end surface of the lifting plate is provided with a slide rail along the length direction of the lifting plate; the number of the slide blocks is two, and they are both slidably arranged on the slide rail at the bottom end of the lifting plate; a hole is arranged on the slide block, and a screw nut is arranged in the hole, and the screw passes through the screw nuts on both sides, and the two screw nuts are arranged in opposite directions to each other.
[0007] The above-mentioned drill rod stabilizing device suitable for the iron mouth opening machine, the positioning mechanism includes two positioning parts, and the two positioning parts are symmetrically arranged on the sliders on both sides; the positioning parts include a strip block and a universal ball; the strip block is arranged at the bottom end of the slider, and the length direction of the strip block is perpendicular to the axial center line of the screw; arc grooves are arranged on the end faces of the strip blocks close to each other, and the center line of the arc groove is parallel to the center line of the strip block; the number of the universal balls is multiple, and they are evenly arranged on the inner wall of the arc groove of the strip block.
[0008] The drill rod stabilizing device for the tap hole opening machine is characterized in that the limiting part includes two limiting mechanisms, and the two limiting mechanisms are symmetrically arranged on both sides of the lifting plate in the width direction; the limiting mechanism includes two limiting members and a connecting strip. The two limiting members are arranged on the same side end surface of the lifting plate, and the connecting strip is arranged between the two limiting members.
[0009] The above-mentioned drill rod stabilizing device suitable for the iron mouth opening machine, the limiting part includes a second electric cylinder, a connecting rod and a limiting block; the second electric cylinder is arranged on the side wall of the lifting plate, and a connecting rod is arranged at the end of its output shaft, and a limiting block is arranged at the bottom end of the connecting rod; the end faces of the limiting block and the strip block that are close to each other are flush, and the flush surfaces between the limiting block and the strip block are in contact; a connecting strip is connected between the bottom end faces of the two limiting blocks in the same limiting mechanism; the connecting rod and the connecting strip are not in contact with the strip block.
[0010] The utility model drives the remaining parts to vertically lift and lower to the specified position through the lifting part; limits the drill rod through the separation and combination part; the separation and combination mechanism drives the positioning mechanisms on both sides to move away from or close to each other, and when the positioning mechanisms on both sides are close to each other, an annular limiting channel is formed, and the drill rod is restricted in this channel and can only move forward, backward and rotate, thereby limiting the radial shaking of the drill rod; the limiting part can position the positioning mechanisms on both sides to prevent the positioning mechanisms from being deformed or displaced during the process of regulating the shaking of the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0012] The list of numbers in the figure is: 1. Fixed plate, 2. Guide plate, 3. First electric cylinder, 4. Lifting plate, 5. Motor, 6. Screw nut, 7. Slider, 8. Strip block, 9. Universal ball, 10. Connecting strip, 11. Second electric cylinder, 12. Connecting rod, 13. Limit block. DETAILED DESCRIPTION
[0013] See also Figure 1 The utility model includes a lifting part, a separation and combination part and a limiting part; the lifting part is arranged on the ground in front of the blast furnace tapping hole; the separation and combination part and the limiting part are both arranged on the lifting part; the lifting part includes a fixed plate 1, a guide plate 2, a first electric cylinder 3 and a lifting plate 4; the fixed plate 1 is arranged on the ground through a bracket, and its height is higher than the height of the tapping hole; the lifting part can drive the other parts to rise and fall, and when the drill rod is in use, the separation and combination part and the limiting part are lowered to limit the drill rod, and when the drill rod operation is not needed, the separation and combination part and the limiting part are retracted upward.
[0014] The shell of the first electric cylinder 3 is arranged on the top end surface of the fixed plate 1, and the end of its piston rod is connected to the center of the top end surface of the lifting plate 4, and the lifting plate 4 is located directly below the fixed plate 1; the first electric cylinder 3 drives the lifting plate 4 to rise and fall; guide plates 2 are arranged on both sides of the upper end surface of the lifting plate 4, and guide holes are arranged on the fixed plate 1, and guide plates 2 corresponding to the position are inserted into each guide hole; the guide plate 2 provides a guiding function for the lifting and lowering of the lifting plate 4.
[0015] The splitting and combining part includes a splitting and combining mechanism and a positioning mechanism; the splitting and combining mechanism is arranged on the bottom end surface of the lifting plate 4; the positioning mechanism is arranged on the splitting and combining mechanism; the splitting and combining mechanism includes a motor 5, a lead screw, a lead screw nut 6 and a slider 7; the housing of the motor 5 is arranged at one end of the bottom end surface of the lifting plate 4, and a support plate is arranged at the other end of the bottom end surface of the lifting plate 4, and one end of the lead screw is connected to the output shaft of the motor 5, and the other end is connected to the support plate shaft; the motor 5 can drive the lead screw to rotate; the axis of the lead screw is parallel to the length direction line of the lifting plate 4; the bottom end surface of the lifting plate 4 is provided with a slide rail along the length direction of the lifting plate 4; There are two sliders 7, and they are both slidably set on the slide rail at the bottom end of the lifting plate 4; a hole is set on the slider 7, and a screw nut 6 is set in the hole, and the screw passes through the screw nuts 6 on both sides, and the two screw nuts 6 are set in opposite directions to each other; the screw is also passed through two screw nuts 6, and the two screw nuts 6 are set in opposite directions to each other, so when the screw rotates, the two screw nuts move in opposite directions, approach or move away from each other, and at the same time drive the slider 7 to approach or move away synchronously; finally, through the forward and reverse rotation of the motor, the two sliders 7 are driven to approach or move away from each other, and then the two positioning parts are driven to approach or move away synchronously.
[0016] The positioning mechanism includes two positioning members, and the two positioning members are symmetrically arranged on the sliders 7 on both sides; the positioning members include a strip block 8 and a universal ball 9; the strip block 8 is arranged at the bottom end of the slider 7, and the length direction of the strip block 8 is perpendicular to the axis of the lead screw; arc grooves are arranged on the end faces of the strip block 8 close to each other, and the center line of the arc groove is parallel to the center line of the strip block 8; the number of the universal balls 9 is multiple, and they are evenly arranged on the inner wall of the arc groove of the strip block 8; the drill rod is surrounded between the arc grooves of the strip blocks 8 on both sides, and the universal balls 9 on the inner walls of the arc grooves on both sides are pressed on the outer wall of the drill rod, and the universal balls on both sides form an annular encirclement, which surrounds and contacts the circumferential surface of the drill rod; a radial support is provided for the drill rod, which minimizes the radial displacement of the drill rod during the drilling process; the universal ball minimizes the friction between the drill rod and the side wall while providing radial support for the drill rod.
[0017] The limiting part includes two limiting mechanisms, and the two limiting mechanisms are symmetrically arranged on both sides of the lifting plate 4 in the width direction; the limiting mechanism includes two limiting members and a connecting strip 10. The two limiting members are arranged on the same side end surface of the lifting plate 4, and the connecting strip 10 is arranged between the two limiting members.
[0018] The limiting member includes a second electric cylinder 11, a connecting rod 12 and a limiting block 13; the second electric cylinder 11 is arranged on the side wall of the lifting plate 4, and a connecting rod 12 is arranged at the end of its output shaft, and a limiting block 13 is arranged at the bottom end of the connecting rod 12; the second electric cylinder 11 can drive the limiting block 13 to rise and fall vertically, and when the second electric cylinder 11 drives the limiting block 13 downward, the limiting block 13 is no longer in contact with the strip block 8, and the strip block 8 is not restricted by the limiting blocks 13 on both sides and can move away from each other; when the second electric cylinder 11 drives the limiting block 13 upward to contact the strip block 8, the limiting blocks 13 on both sides and the limiting blocks 13 therebetween The combination of the connected connecting strips 10 clamps the strip blocks 8 on both sides like a U-shaped block so that they cannot move away from each other, thereby ensuring that the positions of the strip blocks 8 on both sides are fixed and the drill rod can be reliably limited; the limit block 13 is flush with the end faces of the strip blocks 8 that are close to each other, and the flush surfaces between the limit block 13 and the strip block 8 are in contact; when the strip blocks 8 on both sides successfully clamp the drill rod, the limit block 13 is exactly flush with the end faces of the strip blocks 8 that are close to each other; a connecting strip 10 is connected between the bottom end faces of the two limit blocks 13 in the same limiting mechanism; the connecting rod 12 and the connecting strip 10 are not in contact with the strip block 8.
[0019] Principle of use: In the initial state, the piston rod of the first electric cylinder 3 is in the retracted state, the lifting plate 4 is close to the fixed plate 1, and the strip blocks 8 on both sides are away from each other; when the iron mouth opening machine needs to perform opening operation, the drill rod drills into the iron mouth, and at this time the first electric cylinder 3 drives the lifting plate 4 downward until the drill rod is located between the two strip blocks 8; then the motor 5 is started to drive the sliders 7 on both sides to merge until the universal balls on the strip blocks 8 on both sides clamp the drill rod from both sides; then the second electric cylinder 11 is started to drive the limit blocks 13 upward, and the limit blocks 13 on both sides clamp the strip blocks 8 on both sides to ensure that the strip blocks 8 on both sides can reliably clamp the drill rod, avoiding the drill from being stuck. The excessive radial shaking of the rod causes the strip blocks 8 on both sides to separate, and the cooperation of the limit block 13 and the connecting bar 10 fixes the relative position between the strip blocks 8 on both sides; during the drilling process of the drill rod, the universal balls on both sides restrict it, limiting the drill rod to forward impact and rotation, limiting its radial shaking; and the universal ball minimizes the friction between the drill rod and the drill rod; after the drilling operation of the drill rod is completed, the second electric cylinder 11 drives the limit block 13 downward to cancel the restriction on the strip block 8, and then the motor 5 rotates to drive the strip blocks 8 on both sides away, and finally the first electric cylinder 3 drives the lower equipment upward to separate from the drill rod, and the drill rod limit stabilization operation is completed.
Claims
1. A drill rod stabilizing device suitable for a taphole opening machine, characterized in that: The invention comprises a lifting part, a separation and combination part and a limiting part; the lifting part is arranged on the ground in front of the blast furnace tapping hole; the separation and combination part and the limiting part are both arranged on the lifting part; the lifting part comprises a fixed plate (1), a guide plate (2), a first electric cylinder (3) and a lifting plate (4); the fixed plate (1) is arranged on the ground through a bracket, and its height is higher than the height of the tapping hole; the shell of the first electric cylinder (3) is arranged on the top end surface of the fixed plate (1), and the end of its piston rod is connected to the center of the top end surface of the lifting plate (4), and the lifting plate (4) is located directly below the fixed plate (1); guide plates (2) are arranged on both sides of the upper end surface of the lifting plate (4), and guide holes are arranged on the fixed plate (1), and guide plates (2) corresponding to the positions are inserted into each guide hole.
2. The drill rod stabilizing device suitable for a tap hole opening machine according to claim 1, characterized in that: The splitting and combining part comprises a splitting and combining mechanism and a positioning mechanism; the splitting and combining mechanism is arranged on the bottom end surface of the lifting plate (4); the positioning mechanism is arranged on the splitting and combining mechanism; the splitting and combining mechanism comprises a motor (5), a lead screw, a lead screw nut (6) and a slider (7); the motor (5) housing is arranged at one end of the bottom end surface of the lifting plate (4), a support plate is arranged at the other end of the bottom end surface of the lifting plate (4), one end of the lead screw is connected to the output shaft of the motor (5), and the other end is axially connected to the support plate; the axis of the lead screw is parallel to the length direction line of the lifting plate (4); the bottom end surface of the lifting plate (4) is provided with a slide rail along the length direction of the lifting plate (4); the number of the sliders (7) is two, and both are slidably arranged on the slide rail at the bottom end of the lifting plate (4); a hole is arranged on the slider (7), and a lead screw nut (6) is arranged in the hole, the lead screw passes through the lead screw nuts (6) on both sides, and the two lead screw nuts (6) are arranged opposite to each other.
3. The drill rod stabilizing device suitable for a tap hole opening machine according to claim 2, characterized in that: The positioning mechanism comprises two positioning members, and the two positioning members are symmetrically arranged on the sliders (7) on both sides; the positioning members comprise a strip block (8) and a universal ball (9); the strip block (8) is arranged at the bottom end of the slider (7), and the length direction of the strip block (8) is perpendicular to the axis of the lead screw; arc grooves are arranged on the end surfaces of the strip blocks (8) close to each other, and the center line of the arc grooves is parallel to the center line of the strip blocks (8); the number of the universal balls (9) is plural, and they are evenly arranged on the inner wall of the arc groove of the strip block (8).
4. The drill rod stabilizing device suitable for a tap hole opening machine according to claim 3, characterized in that: The limiting part comprises two limiting mechanisms, and the two limiting mechanisms are symmetrically arranged on both sides of the lifting plate (4) in the width direction; the limiting mechanism comprises two limiting members and a connecting strip (10); the two limiting members are arranged on the same side end surface of the lifting plate (4), and the connecting strip (10) is arranged between the two limiting members.
5. The drill rod stabilizing device suitable for a tap hole opening machine according to claim 4, characterized in that: The limiting member comprises a second electric cylinder (11), a connecting rod (12) and a limiting block (13); the second electric cylinder (11) is arranged on the side wall of the lifting plate (4), and a connecting rod (12) is arranged at the end of its output shaft, and a limiting block (13) is arranged at the bottom end of the connecting rod (12); the limiting block (13) and the end faces of the strip block (8) close to each other are flush, and the flush surfaces between the limiting block (13) and the strip block (8) are in contact; a connecting strip (10) is connected between the bottom end faces of two limiting blocks (13) in the same limiting mechanism; and the connecting rod (12) and the connecting strip (10) are not in contact with the strip block (8).