阅读说明：本技术 一种地质矿产勘查pdc取芯钻及其装配设备和方法 (PDC coring drill for geological mineral exploration and assembling equipment and method thereof ) 是由 李秋魁 张彦海 董立帅 胡靖烯 于 2019-11-14 设计创作，主要内容包括：本发明涉及一种地质矿产勘查PDC取芯钻及其装配设备和方法,属于钻探设备技术领域,取芯钻包括刀翼部分和钻杆,刀翼部分包括头部和保径部；头部均匀设有若干U型凹槽,头部上均匀设有若干排齿；取芯钻的钻杆上设有锥形部,锥形部的外径由远离刀翼部分的一端向靠近刀翼部分的一端逐渐缩小,锥形部内活动嵌有一排沿钻杆轴向设置的滚珠,滚珠直径由远离刀翼部分的一端向靠近刀翼部分的一端逐渐缩小,锥形部外套有环套。本发明借助环套对滚珠的单向抑制作用,将滚珠逆向转动锁死,进而控制矿芯下滑,实现对矿芯的单向抑制；在取矿芯时,矿芯带动滚珠滚动,滚珠的球状结构不会对矿芯产生套紧形式的抑制和阻碍,不会影响采取矿芯过程。(The invention relates to a PDC core drill for geological mineral exploration and assembly equipment and a method thereof, belonging to the technical field of drilling equipment, wherein the core drill comprises a blade part and a drill rod, wherein the blade part comprises a head part and a gauge protection part; the head part is uniformly provided with a plurality of U-shaped grooves, and the head part is uniformly provided with a plurality of rows of teeth; be equipped with the toper portion on the drilling rod of coring drill, the external diameter of toper portion is reduced to the one end that is close to the wing portion by the one end of keeping away from the wing portion gradually, and the activity is inlayed one row of ball that sets up along the drilling rod axial in the toper portion, and the ball diameter is reduced to the one end that is close to the wing portion gradually by the one end of keeping away from the wing portion, and the toper portion overcoat has the ring cover. The invention locks the ball by the reverse rotation of the ring sleeve under the one-way inhibition effect of the ring sleeve on the ball, thereby controlling the ore core to slide downwards and realizing the one-way inhibition on the ore core; when getting the ore core, the ore core drives the ball and rolls, and the spherical structure of ball can not produce the suppression and the hindrance of the tight form of cover to the ore core, can not influence and take the ore core process.)

1. The PDC core drill for geological mineral exploration comprises a blade part (1) and a drill rod (2), wherein the blade part (1) comprises a head part (101) and a gauge protection part (102), and the gauge protection part (102) comprises a plurality of gauge protection columns (1021) arranged along the radial direction of the core drill; head (101) evenly are equipped with U type recess (1011), evenly are equipped with row tooth (1012) on head (101), its characterized in that: wherein a part of the row of teeth (1012) is positioned at the edge of the U-shaped groove (1011); be equipped with toper portion (201) on drill rod (2) that the core was bored, the external diameter of toper portion (201) is dwindled to the one end that is close to wing portion (1) by the one end of keeping away from wing portion (1) gradually, and toper portion (201) internalization has inlayed one row of ball (2011), ball (2011) sets gradually along drill rod (2) axial, and the diameter of ball (2011) is dwindled to the one end that is close to wing portion (1) by the one end of keeping away from wing portion (1) gradually, toper portion (201) overcoat has ring cover (2012).

2. The PDC coring bit for geological mineral exploration, according to claim 1, wherein: the section of the ring sleeve (2012) is wedge-shaped, and the inner diameter of the ring sleeve (2012) is gradually increased from one end far away from the blade part (1) to one end close to the blade part (1), so that the ring sleeve is matched with the conical part (201).

3. The PDC coring bit for geological mineral exploration, according to claim 1, wherein: the ball (2011) penetrates through the inner side face and the outer side face of the drill rod (2), and the ball crowns exposed on the inner side face or the outer side face of the drill rod (2) of the ball (2011) with different diameters are the same in height.

4. The PDC coring bit for geological mineral exploration, according to claim 1, wherein: the end face, close to the blade part (1), of the ring sleeve (2012) is provided with a notch (2013), the notch (2013) is internally provided with a spring (2014), and the axial direction of the spring (2014) is parallel to the axial direction of the drill rod (2).

5. The PDC coring bit for geological mineral exploration, according to claim 1, wherein: ring sleeve (2012) are equipped with stopper (2015) on being close to the terminal surface of wing portion (1), wing portion (1) corresponds position department and is equipped with and is used for stopper (2015) male slot (1022).

6. A PDC coring bit for geological mineral exploration, according to any of claims 1-5, wherein: gauge post (1021) is made by the tungsten carbide material, the periphery electroplating cover of gauge post (1021) has diamond ring (1023).

7. The utility model provides an assembly equipment that geological mineral exploration PDC got core and bored which characterized in that: comprising two clip holders (3) and a scissors (4) arranged on the collar (2012) of claim 1; a gap (5) is formed in the side face of the ring sleeve (2012) on the core drill, the shearing frame (4) comprises two L-shaped shearing plates (401) which are hinged with each other, and the lower ends of the two L-shaped shearing plates (401) are correspondingly hinged with a pulling block (402) respectively; the pulling blocks (402) are correspondingly clamped on two opposite side surfaces of the gap (5) respectively and used for opening the ring sleeve (2012) from the gap (5); the two clamping brackets (3) are respectively clamped at the two opposite sides of the large end face of the ring sleeve (2012), and each clamping bracket (3) comprises a top block (301) pressed on the large end face of the ring sleeve (2012); a slideway (302) is arranged on the top block (301); a sliding block (303) is arranged in the slide way (302) in a sliding way; a push rod (304) is arranged on the sliding block (303); the other end activity of push rod (304) is passed ejector pad (301) back and is connected with tractive rope (6) on the top, the other end and the L type of corresponding side of tractive rope (6) cut board (401) and be connected, the inner of slider (303) has linked firmly and has tightened piece (305), it presses on the corresponding medial surface of ring cover (2012) to tighten piece (305).

8. The assembly equipment of the PDC coring bit for geological mineral exploration, according to claim 7, wherein: the minimum distance between the two sliding blocks (303) is smaller than the minimum distance between the two top blocks (301), and the minimum distance between the two tightening blocks (305) is smaller than the minimum distance between the two sliding blocks (303).

9. An assembling apparatus of a PDC core drill for geological mineral exploration, which is adapted to use the PDC core drill of claim 7 or 8, wherein: the axial section of the tightening block (305) is wedge-shaped, and the side surface of the tightening block (305) for pressing the drill rod (2) is a concave cambered surface.

10. The method for assembling the PDC core drill for geological mineral exploration according to claim 1, which comprises the steps of:

s1, sleeving: the small end of the ring sleeve (2012) is taken as a sleeving end, and the ring sleeve (2012) is sleeved on the connecting end of the blade part (1) of the drill rod (2);

s2, flaring: the small end of the tightening block (305) is surrounded on the outer side of the drill rod (2), then axial thrust is applied to the top block (301), and as the tightening block (305) is further pushed and sleeved on the periphery of the drill rod (2), the tightening block (305) gradually presses the drill rod (2) by using the size change in the process from the small end to the large end, so that the distance between the tightening blocks (305) is expanded by the drill rod (2);

s3, pulling ropes: the tightening block (305) drives the sliding block (303) to move outwards along the radial direction to drive the corresponding push rod (304) to move outwards, the pulling rope (6) is tensioned in the outward movement process of the push rod (304), and the L-shaped shearing plate (401) is pulled to rotate through the pulling rope (6);

s4, expanding the seam: after the L-shaped shearing plate (401) is pulled to rotate, the lever principle is utilized to drive the pulling block (402) to expand the ring sleeve (2012) by taking the gap (5) as a breaking opening, so that the ring sleeve (2012) is conveniently sleeved on the drill rod (2).