阅读说明：本技术 一种钻杆生产用上料装置及其上料方法 (Feeding device for drill rod production and feeding method thereof ) 是由 不公告发明人 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种钻杆加工设备,尤其涉及一种钻杆生产用上料装置及其上料方法,包括钻杆箱和阶梯式上料机构,钻杆箱存储原料,阶梯式上料机构将钻杆箱内的原料向上抬升进行上料。钻杆箱朝向阶梯式上料机构倾斜设置,使钻杆箱的内原料能够在重力作用下朝向阶梯式上料机构自行滚动,钻杆箱内设有第一活动板与第二活动板,第一活动板可置于倒数第二根原料与倒数第三根原料之间,第二活动板可置于倒数第二根原料与最后一根原料之间,使原料能够被第一活动板与第二活动板临时阻挡,使原料在滚轮至阶梯式上料机构时能够保证顺序,从而保证上料效率。(The invention discloses drill rod processing equipment, and particularly relates to a feeding device for drill rod production and a feeding method thereof. The drilling rod case sets up towards cascaded feed mechanism slope, the interior raw materials that makes the drilling rod case can roll towards cascaded feed mechanism by oneself under the action of gravity, drilling rod incasement is equipped with first fly leaf and second fly leaf, penultimate raw materials and penultimate raw materials can be arranged in to first fly leaf, between penultimate raw materials and last raw materials can be arranged in to the second fly leaf, make the raw materials can be blockked by first fly leaf and second fly leaf temporarily, make the raw materials can guarantee the order when gyro wheel to cascaded feed mechanism, thereby guarantee material loading efficiency.)

1. The utility model provides a loading attachment is used in drilling rod production which characterized in that includes:

a drill pipe box (12) for storing the raw material;

the stepped feeding mechanism is used for lifting the raw materials;

the limiting assembly is arranged in the drill rod box (12);

wherein the content of the first and second substances,

the spacing subassembly includes:

the first movable plate (9) is telescopically arranged in the drill rod box (12) and can block raw materials;

a second movable plate (91) which is telescopically arranged in the drill rod box (12) and can block the raw materials;

the first movable plate (9) can be arranged between the penultimate raw material and the penultimate raw material,

the second movable plate (91) may be disposed between the penultimate feedstock and the last feedstock.

2. The feeding device for producing the drill rods is characterized in that the stepped feeding mechanism comprises a plurality of feeding units, each feeding unit comprises a supporting frame and a driving device for driving the supporting frame to move, each supporting frame comprises a first rack (2) and a second rack (3) which are arranged in a high-low mode, and each first rack (2) and each second rack (3) comprise:

a first fixed frame (27);

a second fixed frame (28) disposed opposite to the first fixed frame (27);

a guide frame (29) interposed between the first fixing frame (27) and the second fixing frame (28);

a support plate (291) having an upper end inclined for conveying the raw material;

wherein the content of the first and second substances,

a first chain wheel (21) and a second chain wheel (22) are respectively arranged at the upper end and the lower end of the first fixed frame (27), a first transmission chain (271) is arranged between the first chain wheel (21) and the second chain wheel (22),

a third chain wheel (23) and a fourth chain wheel (24) are respectively arranged at the upper end and the lower end of the second fixed frame, a second transmission chain (281) is arranged between the third chain wheel (23) and the fourth chain wheel (24),

the first transmission chain (271) and the second transmission chain (281) are connected with a supporting plate (291) together,

the second chain wheel (22) and the fourth chain wheel (24) are driven to rotate by the driving device.

3. The feeding device for drill rod production as claimed in claim 2, wherein the driving device comprises:

a drive motor (4);

a speed reducer (41) connected with the driving motor (4);

a crankshaft (42) connected to the speed reducer (41);

the first gear (25) is arranged on the second chain wheel (22) of the first rack (2) and is coaxially arranged;

the second gear (26) is arranged on the fourth chain wheel (24) of the first rack (2) and is coaxially arranged;

the third gear is arranged on a second chain wheel (22) of the second rack (3) and is coaxially arranged;

the fourth gear is arranged on a fourth chain wheel (24) of the second rack (3) and is coaxially arranged;

wherein the content of the first and second substances,

the crankshaft (42) comprises a first connecting rod (43) journal (421) and a second connecting rod (44) journal (422), the first connecting rod (43) journal (421) and the second connecting rod (44) journal (422) are symmetrically arranged in a staggered manner,

the journal (421) of the first connecting rod (43) is connected with the first connecting rod (43), the first connecting rod (43) is connected with a first guide rod (431), the first guide rod (431) is connected with a first rack (46),

the journal (422) of the second connecting rod (44) is connected with the second connecting rod (44), the second connecting rod (44) is connected with a second guide rod (441), the second guide rod (441) is connected with a second rack (47),

the first rack (46) is meshed with the first gear (25) and the second gear (26),

the second rack (47) is meshed with the third gear and the fourth gear.

4. The feeding device for the production of the drill rod as claimed in claim 3, further comprising a guide frame (45), wherein the guide frame (45) is provided with:

a first guide groove (451) that accommodates the first guide rod (431);

a second guide groove (452) accommodating the second guide rod (441).

5. The feeding device for drill rod production as claimed in claim 2, further comprising a tensioning device, wherein the tensioning device comprises:

one end of the first swing arm (81) is rotatably arranged on the first fixed frame (27) through a first rotating shaft (83);

a second swing arm (82), one end of which is rotatably arranged on the second fixed frame (28) through a second rotating shaft (84);

a first tightening frame (811) extending from the first rotating shaft (83) toward the outside of the second fixed frame (28);

a second tension frame (821) extending from the second rotating shaft (84) toward the outside of the second fixed frame (28);

a first tension pulley (812) disposed on the first tension frame (811) and engaged with the first driving sprocket;

a second tensioning wheel (822) arranged on the second tensioning frame (821) and meshed with the second transmission chain wheel;

the adjusting frame (86) is arranged on the guide frame (29) and is connected with the other ends of the first swing arm (81) and the second swing arm (82);

wherein the content of the first and second substances,

a third rotating shaft (85) is arranged on the adjusting frame (86), the third rotating shaft (85) is connected with the other ends of the first swing arm (81) and the second swing arm (82),

the third rotating shaft (85) can move up and down on the adjusting frame (86).

6. A feeder device for the production of drill rods, as claimed in claim 2, characterised in that between the support plate (291) and the guide frame (29) there is a guide structure comprising:

an insertion chamber (5) disposed on a side of the guide frame (29) facing the support plate (291);

a fixing rod (51) disposed in the embedding cavity (5);

the sliding body (7) is arranged on one side, facing the guide frame (29), of the supporting plate (291) and sleeved on the fixing rod (51);

damping racks (71) disposed on both sides of the sliding body (7);

the damping gear (6) is arranged in the embedding cavity (5) and is meshed with the damping rack (71);

wherein the content of the first and second substances,

the damping gear (6) comprises:

an annular outer wheel (61);

a spline (611) disposed on an inner wall of the annular outer wheel (61);

a spline (611) shaft disposed in the center of the annular outer wheel (61) and engaged with the spline (611);

an upper seal cover (63) disposed at the upper end of the annular outer wheel (61);

a lower seal cover (64) disposed at the lower end of the annular outer wheel (61);

a cavity (65) is formed between the upper sealing cover (63) and the lower sealing cover (64),

the cavity (65) is filled with lead.

7. A feeding device for drill rod production according to claim 6, characterized in that a buffer device (8) is arranged between the fixed rod (51) and the sliding body (7), and the buffer device (8) comprises:

a first rail (72) disposed inside the slider (7);

a second rail (511) disposed outside the fixing lever (51);

a first runner (73) disposed on the first rail (72);

a second slideway (512) disposed on the second rail (511);

the first limiting piece is arranged on the first slide way (73);

the second limiting piece is arranged on the second slide way (512);

a first buffer (77) connecting the first stopper and the first rail (72);

a second buffer (516) connecting the second limiting member and the second rail (511);

wherein the content of the first and second substances,

the first limiting piece and the second limiting piece can be mutually clamped.

8. The feeding device for drill rod production as recited in claim 7, wherein the first limiting member comprises:

a first front stopper (74),

a first rear stopper (75) disposed to be offset from the first front stopper (74);

the second stopper includes:

a second front stopper (513);

a second rear stopper (514) disposed to be offset from the second front stopper (513);

wherein the content of the first and second substances,

the first front limiting piece (74) and the second rear limiting piece (514) can be mutually clamped,

the first rear limiting element (75) can be mutually clamped with the second front limiting element (513).

9. The feeding device for drill rod production as claimed in claim 2, wherein the feeding unit comprises:

a first feeding unit (13);

a second feeding unit (14);

a control unit;

the first pressure sensor (131) is arranged on the first rack (2) of the first feeding unit (13);

the second pressure sensor (141) is arranged on the first rack (2) of the second feeding unit (14);

wherein the content of the first and second substances,

the control unit connects the first pressure sensor (131) and the second pressure sensor (141) and controls the drive device.

10. The feeding method of the feeding device for the drill rod production as claimed in claim 9, characterized by comprising the following steps:

s1: placing the steel pipe into a drill pipe box (12);

s2: the first feeding unit (13) is in an initial state, the top of the first rack (2) of the first feeding unit (13) is flush with the drill rod box (12), so that the support plate (291) of the first rack (2) of the first feeding unit (13) is flush with the drill rod box (12), and the inner steel pipe of the drill rod box (12) moves to the support plate (291) of the first rack (2) of the first feeding unit (13);

s3: the first pressure sensor (131) outputs a signal to the control unit under the action of pressure, and the control unit controls the driving motor (4) of the first feeding unit (13) to start after receiving the signal of the first pressure sensor (131);

s4: a driving motor (4) of the first feeding unit (13) drives a supporting plate (291) of the first frame (2) of the first feeding unit (13) to move upwards, and simultaneously, the supporting plate (291) of the second frame (3) of the first feeding unit (13) moves downwards, and when the supporting plate (291) of the first frame (2) of the first feeding unit (13) and the supporting plate (291) of the second frame (3) of the first feeding unit (13) are at the same height position, the steel pipe moves from the first frame (2) of the first feeding unit (13) to the second frame (3) of the first feeding unit (13);

s5: the steel pipe does not press the first pressure device, the first pressure sensor (131) does not output signals to the control unit, the control unit controls the driving motor (4) of the first feeding unit (13) to enable the first feeding unit (13) to reset to an initial position, and meanwhile the second pressure sensor (141) outputs signals to the control unit under the pressure of the steel pipe;

s6: the control unit receives a signal of a second pressure sensor (141) and then controls a driving electric shock device of a second feeding unit (14) to start, a driving motor (4) of the second feeding unit (14) drives a supporting plate (291) of a first rack (2) of the second feeding unit (14) to move upwards, the supporting plate (291) of a second rack (3) of the second feeding unit (14) moves downwards, and when the first rack (2) and the supporting plate (291) of the second rack (3) of the second feeding unit (14) are at the same height as the supporting plate (291) of the second rack (3) of the second feeding unit (14), the steel pipe moves from the first rack (2) of the second feeding unit (14) (14) to the second rack (3) of the second feeding unit (14);

s7: after the steel pipe moves from the first frame (2) of the second feeding unit (14) to the second frame (3) of the second feeding unit (14), pressure is not applied to the second pressure sensor (141), the second pressure sensor (141) stops outputting signals to the control unit, and the second control unit controls the driving motor (4) of the second feeding unit (14) to enable the second feeding unit (14) to reset to an initial state.

Technical Field

The invention belongs to the technical field of drill rod processing equipment, and particularly relates to a feeding device for drill rod production and a feeding method thereof.

Background

The drill pipe is the main tool for drilling and is required to be capable of bearing huge internal and external pressure, torsion, bending and vibration. When the drilling rod raw material pipe is fed, most of the existing feeding methods adopt manual feeding methods, so that the labor intensity is high and the efficiency is low.

The Chinese patent with the application number of 202010434783.X discloses an automatic feeding system and a method for drill rod processing, which comprises a rack, a drill rod box, a stepped material distribution device, a buffer device and a positioning device; and sensors are arranged on all the components. The system provided by the invention realizes the automatic material distributing and discharging functions of the drill rod during the mechanical processing of the drill rod, and the stable and reliable automatic feeding system can effectively reduce the labor intensity of workers, improve the production efficiency and reduce the safety risk possibly brought by the workers during the working.

Among the above-mentioned drilling rod feeding system, the raw materials in the drilling rod case is comparatively chaotic when shifting to ladder feed divider, thereby uses the natural gyro wheel that falls of raw materials under the action of gravity to make the drilling rod case roll to ladder feed divider on, can produce the extrusion when the raw materials is more between the raw materials, and the drilling rod case produces crowdedly with ladder feed divider's junction, influences the smooth and easy of material loading, leads to the material loading efficiency to descend.

Disclosure of Invention

The invention aims to provide a feeding device for producing a drill rod, which is capable of efficiently feeding materials.

The purpose of the invention is realized as follows: the utility model provides a loading attachment is used in drilling rod production, includes drilling rod case and cascaded feed mechanism, and drilling rod case storage raw materials, cascaded feed mechanism make progress the lifting with the raw materials of drilling rod incasement and carry out the material loading. The drilling rod case sets up towards cascaded feed mechanism slope, the interior raw materials that makes the drilling rod case can roll towards cascaded feed mechanism by oneself under the action of gravity, drilling rod incasement is equipped with first fly leaf and second fly leaf, penultimate raw materials and penultimate raw materials can be arranged in to first fly leaf, between penultimate raw materials and last raw materials can be arranged in to the second fly leaf, make the raw materials can be blockked by first fly leaf and second fly leaf temporarily, make the raw materials can guarantee the order when gyro wheel to cascaded feed mechanism, thereby guarantee material loading efficiency.

In this technical scheme, the material loading unit includes support frame and drive arrangement, and the support frame comprises first frame and the second frame that the height set up, and first frame and second frame all set up including relative first fixed frame and the second fixed frame that sets up, set up guide frame between first fixed frame and the second fixed frame, the last backup pad that sets up the bearing raw materials steel pipe of guide frame. The driving device drives the second chain wheel and the fourth chain wheel to rotate, the second chain wheel drives the first transmission chain to move, the fourth chain wheel drives the second transmission chain to move, the first transmission chain and the second transmission chain are connected with the supporting plate through the connector, so that the supporting plate is driven to move, and the supporting plate can be moved up and down by changing the rotating direction of the second chain wheel and the fourth chain wheel.

Furthermore, the driving motor is connected with the speed reducer, the speed reducer is connected with the crankshaft, the crankshaft comprises a first connecting shaft neck and a second connecting rod shaft neck, the first connecting rod shaft neck and the second connecting rod shaft neck are in staggered symmetry, the rotating angles of the first connecting rod shaft neck and the second connecting rod shaft neck are different by 180 degrees, the first connecting rod shaft neck is connected with the first connecting rod, the second connecting rod shaft neck is connected with the second connecting rod, the first connecting rod is connected with the first guide rod, and the second connecting rod is connected with the second guide rod. When the crankshaft rotates, the rotation angles of the first connecting rod journal and the second connecting rod journal are different by 180 degrees, when the first connecting rod is pulled backwards, the second connecting rod is pushed forwards, the first guide rod retracts, the second guide rod extends, the first guide rod is connected with the first rack, the second guide rod is connected with the second rack, the first rack and the second rack are made to perform reciprocating linear motion in opposite directions, and therefore the movement directions of the supporting plate on the first rack and the supporting plate on the second rack are opposite.

Further, set up first guide way and second guide way on the leading truck, first guide bar sets up in first guide way, and the second guide bar sets up in the second guide way, can guarantee the moving direction of guide bar, prevents that the guide bar from removing the emergence deviation, prevents the aggravation of rack and gear wear, guarantees life.

In this technical scheme, first pivot is connected and the extension has first tensioning frame in the one end of first swing arm, makes first swing arm and first tensioning frame constitute "V" font structure, sets up the first tight pulley with first drive chain meshing on the first tensioning frame, can adjust the rate of tension of first drive chain through the rotation of first swing arm. One end of the second swing arm is connected with the second rotating shaft and extends to form a second tensioning frame, so that the second swing arm and the second tensioning frame form a V-shaped structure, a second tensioning wheel meshed with the second transmission chain is arranged on the second tensioning frame, and the tension degree of the second transmission chain can be adjusted through the rotation of the second swing arm. The other end of first swing arm and second swing arm is connected with the third pivot jointly, is provided with the alignment jig on the guide frame, and the third pivot is connected with the screw rod, and the screw rod passes through the nut to be fixed on the alignment jig, and the removal through the screw rod drives the removal of third pivot to make first swing arm and second swing arm synchronous motion, make first drive chain keep unanimous with the rate of tension of second drive chain, guarantee the stability of chain operation.

In this technical scheme, guide frame plays the guide effect to the removal of support frame, prevents that the removal of backup pad from taking place the deviation. Set up the embedding chamber in the leading frame, the embedding intracavity sets up the dead lever, sets up the slip cap that the slip cap was established on the dead lever in the backup pad, can guarantee backup pad moving direction through the cooperation of dead lever and slip cap, plays the supporting role to the backup pad simultaneously, reduces first drive chain and second drive chain's burden. Damping racks are arranged on two sides of the sliding sleeve, and damping gears matched with the damping gears are arranged in the embedding cavities, so that vibration generated when the supporting plate moves can be reduced, impact on the structure when the moving direction of the supporting plate is changed is buffered, and the stability of the whole structure is guaranteed. The damping gear comprises an annular outer wheel and a spline shaft arranged in the middle of the annular outer wheel, an upper sealing cover is arranged at the upper end of the annular outer wheel, a lower sealing cover is arranged at the lower end of the annular outer wheel, and a cavity formed by the upper sealing cover and the lower sealing cover is filled with a lead body, so that the damping performance of the damping gear can be ensured.

Further, the buffer device comprises a first track arranged on the inner side of the sliding body and a second track arranged on the outer side of the fixed rod, a first slide way is arranged on the first track, a first limit part is arranged on the first slide way, the first limit part is connected with a first buffer part, the first limit part comprises a first front limit part and a first rear limit part which are rotatably connected, one end of the first slide way is provided with a first bend, one side of the first bend is provided with a first limit post, the first front limit part is provided with a first hook which can be clamped with the first limit post, the second track is provided with a second limit part, the second limit part is connected with a second buffer part, the second limit part comprises a second front limit part and a second rear limit part which are rotatably connected, one end of the second slide way is provided with a second bend, one side of the second bend is provided with a second limit post, the second front limit part is provided with a second hook which can be clamped with the second limit post, the first front limiting piece and the first rear limiting piece are arranged in a staggered mode, the second front limiting piece and the second rear limiting piece are arranged in a staggered mode, so that the first front limiting piece and the second rear limiting piece can be mutually clamped, and the second front limiting piece and the first rear limiting piece are mutually clamped.

In this technical scheme, the material loading unit includes first material loading unit and second material loading unit, and the rear of first material loading unit is arranged in to second material loading unit, and the height of second material loading unit is greater than the height of first material loading unit, and the support frame that makes first material loading unit second frame rises to the highest time and descends to the minimum time parallel and level with the support frame of the first frame of second material loading unit. Simultaneously for the transport of longer higher distance, also can make up more material loading units, the combination mode is the same with the aforesaid, and when the support frame of preceding material loading unit second frame rises to the highest point and the support frame of the first frame of following material loading unit descends to the parallel and level of lowest point. Set up first pressure sensor in the backup pad on the first frame of first material loading unit, set up second pressure sensor in the first frame of second material loading unit, thereby carry the driving motor of signal control first material loading unit and the driving motor of second material loading unit to the control unit through first pressure sensor and second sensor, can conveniently be to the control of first material loading unit and second material loading unit, drive arrangement can in time stop when not having the raw materials to carry, reduce the power consumption, reduce the cost.

The invention also provides a feeding method of the feeding device for drill rod production, which comprises the following steps:

s1: putting the steel pipe into a drill pipe box;

s2: the first feeding unit is in an initial state, the top of the first rack of the first feeding unit is flush with the drill rod box, so that the support plate of the first rack of the first feeding unit is flush with the drill rod box, and the inner steel pipe of the drill rod box moves to the support plate of the first rack of the first feeding unit;

s3: the first pressure sensor outputs a signal to the control unit under the pressure, and the control unit controls a driving motor of the first feeding unit to start after receiving the signal of the first pressure sensor;

s4: when the supporting plate of the first feeding unit first rack and the supporting plate of the first feeding unit second rack are positioned at the same height, the steel pipe moves from the first rack of the first feeding unit to the second rack of the first feeding unit;

s5: the steel pipe does not press the first pressure device, the first pressure sensor does not output signals to the control unit, the control unit controls the driving motor of the first feeding unit to enable the first feeding unit to reset to the initial position, and meanwhile the second pressure sensor outputs signals to the control unit under the pressure of the steel pipe;

s6: the control unit receives a signal of a second pressure sensor and then controls a driving electric shock device of the second feeding unit to start, a driving motor of the second feeding unit drives a supporting plate of a first rack of the second feeding unit to move upwards, a supporting plate of a second rack of the second feeding unit moves downwards, and when the supporting plate and the first rack of the second feeding unit are at the same height as the supporting plate of the second rack of the second feeding unit, the steel pipe moves from the first rack of the second feeding unit to the second rack of the second feeding unit;

s7: after the steel pipe moves from the first frame of the second feeding unit to the second frame of the second feeding unit, pressure is not applied to the second pressure sensor, the second pressure sensor stops outputting signals to the control unit, and the second control unit controls the driving motor of the second feeding unit to enable the second feeding unit to reset to the initial state.

The invention has the beneficial effects that:

1. a first movable plate and a second movable plate are arranged in the drill rod box and can stretch out and draw back. The first movable plate can extend into the space between the penultimate raw material and the penultimate raw material, and the second movable plate can extend into the space between the penultimate raw material and the last raw material, so that crowded raw materials can be temporarily blocked, and the smooth feeding is ensured.

2. The single feeding unit comprises a first rack and a second rack, and the height of the second rack is higher than that of the first rack in an initial state. The structure of drive backup pad is the same in two frames, all includes the braced frame of two relative settings and the guide frame in the middle of, sets up sprocket and chain on the braced frame, chain joint support board, thereby sprocket drive chain makes the backup pad reciprocate, through reciprocating of backup pad in backup pad and the second frame in the first frame, can be with the raw materials steel pipe of drilling rod incasement ascending lifting step by step to accomplish whole material loading process.

3. The tensioning device is composed of a first swing arm and a second swing arm, the first swing arm is connected with a first tensioning frame through a first rotating shaft, a first tensioning wheel is arranged on the first tensioning frame, the second swing arm is connected with a second tensioning frame through a second rotating shaft, a second tensioning wheel is arranged on the second tensioning frame, a third rotating shaft is connected through the first swing arm and the second swing arm, the third rotating shaft can move on an adjusting frame, the tensioning degrees of the first transmission chain and the second transmission chain can be synchronously adjusted through the common rotation of the first swing arm and the second swing arm, and the consistency of the heights of the two sides of the connector can be ensured, prevent that the support frame from appearing the slope, guarantee the stability when the support frame reciprocates.

4. The driving device comprises a driving motor and a speed reducer, the speed reducer is connected with a crankshaft, the crankshaft comprises a first connecting rod journal and a second connecting rod journal, the first connecting rod journal and the second connecting rod journal are arranged in a staggered and symmetrical mode, the first connecting rod journal is connected with a first connecting rod, the second connecting rod journal is connected with a second connecting rod, the first connecting rod is connected with a first guide rod, the second connecting rod is connected with a second guide rod, circular motion of the motor is converted into reciprocating linear motion of the first guide rod and the second guide rod, the motion directions of the first guide rod and the second guide rod are opposite, the first guide rod is connected with a first rack, the second guide rod is connected with a second rack, the first rack drives the support plate on the first rack to move, the second rack drives the support plate on the second rack to move, the motion direction of the support plate on the first rack is opposite to the motion direction of the support plate on the second rack, and therefore the feeding device can have double stroke, effectively reduce the volume of equipment, improve material loading efficiency.

5. Set up the leading truck, set up the guide way on the leading truck, first guide bar all sets up in the guide way with the second guide bar, can guarantee the moving direction of guide bar, prevents that the guide bar from removing the emergence deviation, prevents rack and gear wear's aggravation, guarantees life.

6. Set up the embedding chamber in the leading frame, the embedding intracavity sets up the dead lever, sets up the cover in the backup pad and establishes the dead lever and can be on the dead lever gliding sliding sleeve, and the sliding sleeve includes upper cover and lower cover, sets up the damping rack between upper cover and the lower cover, and the embedding intracavity sets up the damping gear with damping strip meshing, can effectively increase the damping when the bracing piece reciprocates, reduces the vibration when removing, and the impact when buffering conversion moving direction simultaneously guarantees the stability of structure.

7. The sliding sleeve can generate friction and vibration when moving on the fixed rod, and meanwhile, when the support frame frequently moves up and down, the sliding sleeve can also frequently change the moving direction on the fixed rod, so that large impact can be generated on the whole structure, the abrasion between the structures is increased, and the safety of the whole structure is influenced.

8. The feeding unit comprises a first feeding unit and a second feeding unit, a first pressure sensor is arranged on a supporting plate on a first frame of the first feeding unit, a second pressure sensor is arranged on a first frame of the second feeding unit, and signals are transmitted to the control unit through the first pressure sensor and the second sensor so as to control a driving motor of the first feeding unit and a driving motor of the second feeding unit, so that the first feeding unit and the second feeding unit can be conveniently controlled, and the feeding efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an initial state of a first feeding unit and a second feeding unit;

FIG. 2 is a schematic diagram of the transfer of feedstock from a first loading unit to a second loading unit;

FIG. 3 is a schematic structural view of the positional relationship between the first frame and the second frame;

FIG. 4 is a schematic view of the overall structure of the frame;

FIG. 5 is a schematic view of the structure of the driving device;

FIG. 6 is a schematic view of an embedded cavity structure;

FIG. 7 is a schematic view of the damping gear;

FIG. 8 is a structural schematic of a damping gear cross-section;

FIG. 9 is a schematic view of the structure of the damper;

wherein the reference numerals are: 1. a side plate; 11. a base plate; 12. a drill pipe box; 13. a first feeding unit; 131. a first pressure sensor; 14. a second feeding unit; 141. a second pressure sensor; 2. a first frame; 21. a first sprocket; 22. a second sprocket; 23. a third sprocket; 24. a fourth sprocket; 25. a first gear; 26. a second gear; 27. a first fixed frame; 271. a first drive chain; 28. a second fixed frame; 281. a second drive chain; 29. a guide frame; 291. a support plate; 3. a second frame; 4. a drive motor; 41. a speed reducer; 42. a crankshaft; 421. a first connecting rod journal; 422. a second connecting rod journal; 43. a first link; 431. a first guide bar; 44. a second link; 441. a second guide bar; 45. a guide frame; 451. a first guide groove; 452. a second guide groove; 46. a first rack; 47. a second rack; 5. an embedding cavity; 51. fixing the rod; 511. a second track; 512. a second slideway; 513. a second front stop; 514. a second rear stop; 515. a second limit post; 516. a second buffer member; 517. a second hook; 6. a damping gear; 61. an annular outer wheel; 611. a spline; 62. a spline shaft; 63. an upper sealing cover; 64. a lower sealing cover; 65. a cavity; 7. a sliding body; 71. a damping rack; 72. a first track; 73. a first slideway; 74. a first front stopper; 75. a first rear stop; 76. a first limit post; 77. a first buffer member; 78. a first hook; 8. a buffer device; 81. a first swing arm; 811. a first tensioning mount; 812. a first tensioning wheel; 82. a second swing arm; 821. a second tensioning mount; 822. a second tensioning wheel; 83. a first rotating shaft; 84. a second rotating shaft; 85. a third rotating shaft; 86. an adjusting bracket; 87. a screw; 88. a nut; 9. a first movable plate; 91. a second movable plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiments of the present invention with reference to the accompanying drawings:

referring to fig. 1 and 2, a feeding system for drill rod production comprises a bottom plate 11 and side plates 1 oppositely arranged on two sides of the bottom plate 11, wherein a drill rod box 12 is arranged on the bottom plate 11, and a stepped feeding mechanism is arranged on the side plates 1. The bottom of the drill pipe box 12 is inclined towards the stepped feed mechanism. The drill rod box 12 is provided with a limiting drilling device, which comprises a first movable plate 9 and a second movable plate 91, wherein the first movable plate 9 is located between the penultimate raw material and the penultimate raw material, the second movable plate 91 is located between the penultimate raw material and the last raw material, the first movable plate 9 and the second movable plate 91 are driven to stretch and retract at the bottom of the drill rod box 12 through a driving mechanism, and the driving mechanism is one of an air cylinder, a hydraulic cylinder and an electric push rod. Through the extension and contraction of the first movable plate 9 and the second movable plate 91, the raw materials can be ensured in sequence from the roller to the stepped feeding mechanism, so that the feeding efficiency is ensured. Cascaded feed mechanism includes first material loading unit 13 and second material loading unit 14, and the material loading support frame through a plurality of material loading units makes the raw materials lifting step by step to accomplish the material loading, improve material loading efficiency.

Referring to fig. 3 and 4, the feeding unit includes a support frame, and the support frame includes a first frame 2 and a second frame 3. The first frame 2 and the second frame 3 both comprise a first fixed frame 27 and a second fixed frame 28 which are arranged oppositely, a guide frame 29 is arranged between the first fixed frame 27 and the second fixed frame 28, and a support frame for bearing the raw material steel pipe is arranged on the guide frame 29. Drive arrangement drive second sprocket 22 and fourth sprocket 24's rotation, the first drive chain 271 of second sprocket 22 drive removes, fourth sprocket 24 drive second drive chain 281 removes, first drive chain 271 passes through connector linking bridge frame with second drive chain 281, thereby drive the removal of support frame, the direction of rotation through changing second sprocket 22 and fourth sprocket 24 can make the support frame reciprocate, make the support frame of current frame can carry the raw materials steel pipe to the support frame of next frame on, accomplish the transport step by step of raw materials, improve material loading efficiency. Meanwhile, a first rotating shaft 83 is arranged on the first fixing frame 27, a first end of the first swing arm 81 is connected with the first rotating shaft 83 and extends towards the outer side of the first fixing frame 27 to form a first tensioning frame 811, a first tensioning wheel 812 is arranged on the first tensioning frame 811, the first tensioning wheel 812 is engaged with the first transmission chain 271, a second rotating shaft 84 is arranged on the second fixed frame 28, the second swing arm 82 is connected with the second rotating shaft 84 and extends towards the outside of the second fixed frame 28 to form a second tensioning frame 821, a second tensioning wheel 822 is arranged on the second tensioning frame 821, the second tensioning wheel 822 is engaged with the second transmission chain 281, the other end of the first swing arm 81 and the other end of the second swing arm 82 are connected with a third rotating shaft 85, an adjusting bracket 86 for moving the third shaft 85 up and down is provided on the guide frame 29. One end of the first swing arm 81 is connected with the first rotating shaft 83 and extends to form a first tensioning frame 811, so that the first swing arm 81 and the first tensioning frame 811 form a V-shaped structure, a first tensioning wheel 812 meshed with the first transmission chain 271 is arranged on the first tensioning frame 811, and the tension of the first transmission chain 271 can be adjusted through the rotation of the first swing arm 81. One end of the second swing arm 82 is connected to the second rotating shaft 84 and extends to form a second tensioning frame 821, so that the second swing arm 82 and the second tensioning frame 821 form a V-shaped structure, a second tensioning wheel 822 engaged with the second transmission chain 281 is arranged on the second tensioning frame 821, and the tensioning degree of the second transmission chain 281 can be adjusted through the rotation of the second swing arm 82. The other ends of the first swing arm 81 and the second swing arm 82 are connected with a third rotating shaft 85, an adjusting frame 86 is arranged on the guide frame 29, the third rotating shaft 85 is connected with a screw 87, the screw 87 is fixed on the adjusting frame 86 through a nut 88, and the movement of the third rotating shaft 85 is driven through the movement of the screw 87, so that the first swing arm 81 and the second swing arm 82 move synchronously, the tension degree of the first transmission chain 271 and the tension degree of the second transmission chain 281 are kept consistent, and the stability of the chain operation is ensured.

Referring to fig. 5, the driving motor 4 is connected with the speed reducer 41, the speed reducer 41 is connected with the crankshaft 42, the crankshaft 42 comprises a first connecting rod 43 journal 421 and a second connecting rod 44 journal 422, the first connecting rod 43 journal 421 and the second connecting rod 44 journal 422 are symmetrically staggered, so that the first connecting rod 43 journal 421 and the second connecting rod 44 journal 422 are rotated 180 degrees different, the first connecting rod 43 journal 421 is connected with the first connecting rod 43, the second connecting rod 44 journal 422 is connected with the second connecting rod 44, the first connecting rod 43 is connected with the first guide rod 431, and the second connecting rod 44 is connected with the second guide rod 441. When the crankshaft 42 rotates, because the rotation angles of the journal 421 of the first connecting rod 43 and the journal 422 of the second connecting rod 44 are different by 180 degrees, when the first connecting rod 43 is pulled backwards, the second connecting rod 44 is pushed forwards, the first guide rod 431 is retracted, the second guide rod 441 is extended, the first guide rod 431 is connected with the first rack 46, the second guide rod 441 is connected with the second rack 47, the first rack 46 and the second rack 47 do reciprocating linear motion in opposite directions, the first rack 46 drives the first rack 2, the second rack 47 drives the second rack 3, the support frame on the first rack 2 and the support frame on the second rack 3 are in opposite directions, when the support frame of the first rack 2 is lifted, the support frame of the second rack 2 and the support frame of the second rack 3 are positioned at the same height, the top end of the obliquely arranged support frame is used for moving the raw material steel pipe from the first rack 2 to the second rack 3 under the action of gravity, the driving device continues to drive, the crankshaft 42 continues to rotate, the direction is changed at the moment, the support frame of the first rack 2 moves downwards to be flush with the drill rod box 12, and the raw steel pipe in the drill rod box 12 moves into the support frame of the first rack 2. The support frame of second frame 3 rises, and the support frame of the first frame 2 of the last material loading unit descends and is parallel and level with the support frame of the second frame 3 of the current material loading unit, carries the raw materials steel pipe of current unit to the last material loading unit, and so circulation makes the raw materials steel pipe carry step by step. And the first frame 2 and the second frame 3 are driven by the same driving motor 4, and simultaneously complete opposite-direction movement through the crankshaft 42, and the first frame 2 has a downward supporting frame and an upward supporting frame, so that double strokes can be obtained, the overall size of the equipment is effectively reduced, the structure is simplified, and the cost is reduced.

Referring to fig. 6, an embedding cavity 5 is formed in the guide frame 29, a fixing rod 51 is formed in the embedding cavity 5, a sliding sleeve which is slidably sleeved on the fixing rod 51 is arranged on the support frame, the moving direction of the support frame can be ensured by matching the fixing rod 51 with the sliding sleeve, and meanwhile, the support frame is supported, so that the burden of the first transmission chain 271 and the burden of the second transmission chain 281 are reduced. Damping racks 71 are arranged on two sides of the sliding sleeve, damping gears 6 matched with the damping gears 6 are arranged in the embedding cavities 5, vibration of the supporting frame during moving can be reduced, impact on the structure when the moving direction of the supporting frame is changed is buffered, and stability of the whole structure is guaranteed.

Referring to fig. 7 and 8, the damping gear 6 includes an annular outer wheel 61 and a spline 611 shaft disposed in the middle of the annular outer wheel 61, an upper seal cover 63 is disposed at the upper end of the annular outer wheel 61, a lower seal cover 64 is disposed at the lower end of the annular outer wheel 61, and a cavity formed by the upper seal cover 63 and the lower seal cover 64 is filled with lead, so that the damping performance of the damping gear 6 can be ensured.

Referring to fig. 9, a buffering device 8 is disposed between the fixing rod 51 and the sliding body 7, the buffering device 8 includes a first rail 72 disposed inside the sliding body 7 and a second rail 511 disposed outside the fixing rod 51, the first rail 72 is provided with a first slide 73, the first slide 73 is provided with a first limiting member, the first limiting member is connected to a first buffering member 77, the first limiting member includes a first front limiting member 74 and a first rear limiting member 75 which are rotatably connected, one end of the first slide 73 is provided with a first curved channel, one side of the first curved channel is provided with a first limiting post 76, the first front limiting member 74 is provided with a first hook 78 which can be locked with the first limiting post 76, the second rail 511 is provided with a second limiting member, the second limiting member is connected to a second buffering member 516, the second limiting member includes a second front limiting member 513 and a second rear limiting member 514 which are rotatably connected, one end of the second slideway 512 is provided with a second bend, one side of the second bend is provided with a second limit post 515, a second hook 517 which can be clamped by the second limit post 515 is arranged on the second front limit part 513, the first front limit part 74 and the first rear limit part 75 are arranged in a staggered manner, the second front limit part 513 and the second rear limit part 514 are arranged in a staggered manner, so that the first front limit part 74 and the second rear limit part 514 can be mutually clamped, and the second front limit part 513 and the first rear limit part 75 are mutually clamped. The first and second dampers 77 and 516 are springs. The first front stopper 74 is connected to the first dampener 77 and the second front stopper 513513 is connected to the second dampener 516. When the sliding sleeve moves upwards, the first front limiting piece 74 and the second rear limiting piece 514 are clamped, the first limiting piece moves backwards on the first slide way 73 integrally, the first front limiting piece 74 stretches the spring for buffering, the first front limiting piece 74 deflects when moving to the first curve to enable the first front limiting piece 74 and the second rear limiting piece 514 to be separated from contact, and meanwhile, the first clamping hook 78 of the first front line limiting piece and the first limiting column 76 are clamped to enable the spring to keep stretching, but the sliding sleeve can continue to move upwards. When the sliding sleeve moves downwards, the first rear limiting piece 75 is abutted against the second front limiting piece 513, the second front limiting piece 513 pushes the first rear limiting piece 75 to move and simultaneously drives the first front limiting piece 74 to be unlocked from the first limiting column 76 so as to reset the first buffering piece 77, the sliding sleeve continues to move downwards, the first rear limiting piece 75 continues to push the second front limiting piece 513 to move to the second curve, the second buffering piece 516 stretches and buffers, and meanwhile, the second front limiting piece 513 rotates so as to enable the second hook 517 and the second limiting column 515 to be hooked, so that the sliding sleeve can continue to move downwards.

The invention also provides a feeding method of the feeding device for drill rod production, which comprises the following steps:

s1: placing the steel pipe into the drill pipe box 12;

s2: the first feeding unit 13 is in an initial state, the top of the first frame 2 of the first feeding unit 13 is flush with the drill rod box 12, so that the support plate 291 of the first frame 2 of the first feeding unit 13 is flush with the drill rod box 12, and the inner steel pipe of the drill rod box 12 moves to the support plate 291 of the first frame 2 of the first feeding unit 13;

s3: the first pressure sensor 131 outputs a signal to the control unit when receiving the pressure, and the control unit controls the driving motor 4 of the first feeding unit 13 to start after receiving the signal of the first pressure sensor 131;

s4: the driving motor 4 of the first feeding unit 13 drives the supporting plate 291 of the first frame 2 of the first feeding unit 13 to move upwards, and simultaneously, the supporting plate 291 of the second frame 3 of the first feeding unit 13 moves downwards, when the supporting plate 291 of the first frame 2 of the first feeding unit 13 and the supporting plate 291 of the second frame 3 of the first feeding unit 13 are at the same height, the steel pipe moves from the first frame 2 of the first feeding unit 13 to the second frame 3 of the first feeding unit 13;

s5: the steel pipe does not press the first pressure device, the first pressure sensor 131 does not output signals to the control unit, the control unit controls the driving motor 4 of the first feeding unit 13 to reset the first feeding unit 13 to the initial position, and meanwhile the second pressure sensor 141 outputs signals to the control unit under the pressure of the steel pipe;

s6: the control unit receives a signal of the second pressure sensor 141 and then controls the driving electric shock device of the second feeding unit 14 to start, the driving motor 4 of the second feeding unit 14 drives the supporting plate 291 of the first frame 2 of the second feeding unit 14 to move upwards, the supporting plate 291 of the second frame 3 of the second feeding unit 14 moves downwards, and when the supporting plates 291 and 2 of the first frame 2 and the second frame 3 of the second feeding unit 14 are at the same height as the supporting plate 291 of the second frame 3 of the second feeding unit 14, the steel pipe moves from the first frame 2 of the second feeding unit 14 to the second frame 3 of the second feeding unit 14;

s7: after the steel pipe is moved from the first frame 2 of the second feeding unit 14 to the second frame 3 of the second feeding unit 14, the second pressure sensor 141 does not apply pressure, the second pressure sensor 141 stops outputting a signal to the control unit, and the second control unit controls the driving motor 4 of the second feeding unit 14 to reset the second feeding unit 14 to the initial state.

The above-mentioned embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained by those skilled in the art based on the above-mentioned embodiments should also belong to the protection scope of the present invention without any creative effort, so that: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.