Driving device for quickly connecting steel sleeve of rotary drilling rig

Abstract

The utility model discloses a driving device for a rotary drilling rig to be quickly connected with a steel sleeve, which comprises a driving disc, the bottom end of the driving disc is connected with a connecting disc through a first connecting pin, the bottom end of the connecting disc is connected with a casing driver through a first connecting pin, the bottom end of the casing driver is provided with a plurality of sleeves, and the sleeves are connected with the casing driver through a second connecting pin. And the plurality of sleeves are connected and fixed through second connecting pins. The driving disc is connected with a driving head of the rotary drilling machine, then the driving disc is connected with the connecting disc, the bottom of the connecting disc is connected with the pile casing driver, and the drill bit penetrates through the pile casing driver, the connecting disc and the driving disc and is connected with a power head of the rotary drilling machine. After a certain depth of hole is drilled, a sleeve is installed in the hole, the bottom end of the pile casing driver is clamped on the sleeve, then the rotary drilling machine continues to drill the hole, the drill bit is lifted when the sleeve is settled to a proper position, and then the sleeve continues to be spliced.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling machines, in particular to a driving device for quickly connecting a steel sleeve of a rotary drilling rig. Background Art

[0002] The rotary drilling rig is usually configured with a drill rod connected to a drill bit, and then the drill rod is driven by a power head for drilling and lifting. Different drill bits are replaced for different strata. Before setting the casing, a rotary drilling rig is needed to dig a hole, then the drill bit is removed, and then the casing is aligned manually with the drilling rig. After the position is corrected, the steel casing is pressed into the soil with the drill rod of the drilling rig; when lifting the sleeve casing, it requires the cooperation of manual labor, rotary drilling rigs and cranes. When the rotary drilling rig is drilling, if it encounters uneven hard and soft layers, silt layers, gravel layers and loose layers rich in groundwater, it is easy to cause the hole wall to collapse. At this time, a steel casing (commonly known as casing) needs to be pressed into the hole to protect the hole, avoid hole collapse and shrinkage, and ensure the quality of the hole. There is basically no mud in the full casing hole forming process, except for the sandy soil layer. Due to the large permeability coefficient of the soil, groundwater may penetrate into the inside and outside of the soil taking hole during the hole forming process. Generally, soil taking in the formation casing is completed in a dry soil state, and no mud pollution will be generated. The full sleeve follow-up drilling greatly reduces the disturbance to the surrounding soil and avoids the collapse of the hole wall. Since there is no collapse during the process of drilling and pouring concrete in the casing, the pouring quality is guaranteed.

[0003] In the prior art, the utility model patent with the patent grant number CN202120955171.5 discloses a rotary drilling rig power head assembly and a rotary drilling rig, wherein the rotary drilling rig power head assembly includes a power box, a pipe swinger and a casing driver, wherein the power box includes a driving sleeve for connecting to a drill pipe and driving the drill pipe to rotate. The pipe swinger and the driving sleeve are integrally formed, and the pipe swinger is provided with a first connecting unit. The casing driver is detachably connected to the first connecting unit by a connecting pin, and the connecting pin extends radially along the casing driver. The pipe swinger and the sleeve are integrally formed, and the pipe swinger is provided with a first connecting unit. When assembling the casing, the casing driver is directly connected to the first connecting unit on the pipe swinger, and then the casing is assembled to the casing driver. In this way, the operation steps of assembling the pipe swinger and the sleeve are omitted, thereby reducing the difficulty of assembly, improving the assembly efficiency, and thus shortening the construction period.

[0004] The rotary drilling rig power head provided by the above patent improves assembly efficiency. However, in actual operation, when installing a sleeve under a conventional rotary drilling rig, the drill bit needs to be removed and then the sleeve needs to be installed, which is cumbersome and not conducive to the efficient operation of the rotary drilling rig. Utility Model Content

[0005] The utility model aims to provide a driving device for quickly connecting a steel sleeve to a rotary drilling rig, aiming to improve the problem that when the existing rotary drilling rig is installed with a sleeve, the drill bit needs to be removed and then the sleeve needs to be installed, which is cumbersome to operate and not conducive to the efficient operation of the rotary drilling rig.

[0006] The utility model is achieved in this way:

[0007] A driving device for quickly connecting a steel sleeve to a rotary drilling rig comprises a driving disc, wherein the bottom end of the driving disc is connected to a connecting disc via a first connecting pin, the bottom end of the connecting disc is connected to a casing driver via the first connecting pin, a sleeve is provided at the bottom end of the casing driver, and a plurality of sleeves may be provided, and the plurality of sleeves are connected and fixed by a second connecting pin.

[0008] Preferably, first ear plates are symmetrically provided on both sides of the top of the driving disk, a connecting tube is provided on the top of the first ear plate, a through hole is provided in the middle of the connecting tube, and a connecting platform is provided on the top of the driving disk, and a plurality of bolt holes are evenly provided on the connecting platform.

[0009] Preferably, an inner cylinder is provided on the inner side of the connecting disk, and the inner cylinder and the connecting disk are connected and fixed by a connecting ring. Four mounting holes are evenly arranged on the connecting ring, and pin holes are provided at the positions of the connecting disk and the inner cylinder aligned with the mounting holes.

[0010] Preferably, a reinforcement ring is provided at the top of the casing driver, a second ear plate is symmetrically provided at the top of the reinforcement ring, a mounting tube is provided at the top of the second ear plate, and a through hole is provided in the middle of the mounting tube; the first ear plate cooperates with the connecting tube and the second ear plate cooperates with the mounting tube, both of which are inserted into the mounting hole, and the connecting tube and the mounting tube are aligned with the pin shaft hole; a plurality of connecting holes and bayonet holes are provided at the bottom of the side of the casing driver, and the connecting holes and bayonet holes are staggered.

[0011] Preferably, an insert ring is provided at the top of the sleeve, a plurality of limit pins are evenly provided at the bottom of the side of the insert ring, a sleeve ring is provided at the bottom of the sleeve, and a plurality of splicing holes are evenly provided on the side of the sleeve ring and the insert ring.

[0012] Preferably, a plurality of weight-reducing holes are provided on the side of the casing driver, and the weight-reducing holes are used to reduce the weight of the casing driver while also facilitating observation of the status of the drill bit.

[0013] Preferably, the bottom end of the sleeve is connected to a tube boot via a second connecting pin, a plurality of alloy drill teeth are evenly arranged on the bottom surface of the tube boot, and an insert ring is evenly arranged on the top of the tube boot, splicing holes and limit pins are evenly arranged on the side of the insert ring, and the splicing holes and limit pins are staggered.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model connects the driving disk with the driving head of the rotary drilling machine, and then connects the driving disk with the connecting disk. The bottom of the connecting disk is connected with a casing driver, and the drill bit passes through the casing driver, the connecting disk and the driving disk and is connected to the power head of the rotary drilling machine. When working, the rotary drilling machine drives the rotating head and the casing driver to rotate to drill holes, and after drilling a certain depth, a sleeve is installed in the hole, and then the bottom end of the casing driver is engaged with the sleeve, and then the rotary drilling machine continues to drill. When the sleeve sinks to a suitable position, the drill bit is lifted, and then the sleeve is continued to be spliced. In this way, the sleeve can be installed without removing the drill bit.

[0016] 2. The casing driver of the utility model is provided with a plurality of weight-reducing holes on the side thereof, through which the weight of the casing driver can be greatly reduced, and at the same time, the state of the drill bit inside the casing driver can be observed through the weight-reducing holes.

[0017] 3. A sleeve boot is installed at the top of the sleeve of the utility model. The sleeve boot can be rotated and pressurized downward to circumscribe various strata and rocks, reduce the resistance of buried casing, and improve the drilling ability of casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the drive disk of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the connection disk of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the casing driver of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the sleeve of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the utility model boots.

[0024] In the figure: 1. drive disk; 11. first ear plate; 12. connecting tube; 13. through hole; 14. connecting platform; 15. bolt hole; 2. connecting disk; 21. inner tube; 22. connecting ring; 23. mounting hole; 24. pin shaft hole; 3. first connecting pin; 4. casing driver; 41. reinforcement ring; 42. second ear plate; 43. mounting tube; 44. through hole; 45. connecting hole; 46. bayonet; 47. weight reduction hole; 5. sleeve; 51. insert ring; 52. splicing hole; 53. limit pin; 54. collar; 6. barrel boot; 61. alloy drill tooth; 7. second connecting pin. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0027] Example 1

[0028] like Figure 1 As shown, a driving device for quickly connecting a steel sleeve of a rotary drilling rig includes a driving disc 1, and a connecting disc 2 is connected to the bottom end of the driving disc 1 through a first connecting pin 3. The driving disc 1 is convenient for connecting to the driving head of the rotary drilling machine; the connecting disc 2 is convenient for connecting to the driving disc 1, plays a receiving role, and is convenient for subsequent connection with other components. The bottom end of the connecting disc 2 is connected to a casing driver 4 through a first connecting pin 3, and a sleeve 5 is provided at the bottom end of the casing driver 4. The casing driver 4 can rotate under the drive of the rotary drilling machine, and the bottom end of the casing driver 4 is connected to the sleeve 5, so as to achieve the purpose of driving the sleeve 5 to rotate, so as to facilitate the protection of the drilled hole through the sleeve 5. There can be multiple sleeves 5, and the multiple sleeves 5 are connected and fixed by the second connecting pin 7; this structure is convenient for splicing sleeves 5 according to the depth of the barrel to ensure that the sleeve 5 can effectively protect the drilled hole and avoid the collapse of the drilled hole.

[0029] like Figure 2 As shown, first ear plates 11 are symmetrically arranged on both sides of the top of the driving disc 1, a connecting tube 12 is arranged on the top of the first ear plate 11, and a through hole 13 is arranged in the middle of the connecting tube 12. The first ear plate 11 and the connecting tube 12 cooperate with the through hole 13 to facilitate the connection of the driving disc 1 and the connecting disc 2 through the first connecting pin 3. A connecting platform 14 is arranged on the top of the driving disc 1, and a plurality of bolt holes 15 are evenly arranged on the connecting platform 14; the cooperation between the connecting platform 14 and the bolt holes 15 facilitates the fixing of the driving disc 1 and the driving head of the rotary drilling machine through bolt connection.

[0030] like Figure 3 As shown, an inner cylinder 21 is provided inside the connection disk 2, and the inner cylinder 21 and the connection disk 2 are connected and fixed by a connection ring 22, and the inner cylinder 21 is convenient for the drill bit to pass through the connection disk 2. Four mounting holes 23 are evenly arranged on the connection ring 22, and the mounting holes 23 are convenient for the connection disk 2 to be connected with the drive disk 1 and the casing driver 4. The connection disk 2 and the inner cylinder 21 are both provided with pin shaft holes 24 at the positions aligned with the mounting holes 23, and this structure is convenient for the first connection pin 3 to pass through the connection disk 2 and the inner cylinder 21.

[0031] like Figure 4 As shown, a reinforcement ring 41 is provided at the top of the casing driver 4, and the reinforcement ring 41 is used to enhance the strength of the top of the casing driver 4. A second ear plate 42 is symmetrically provided at the top of the reinforcement ring 41, and a mounting tube 43 is provided at the top of the second ear plate 42, and a through hole 44 is provided in the middle of the mounting tube 43; the first ear plate 11 cooperates with the connecting tube 12 and the second ear plate 42 cooperates with the mounting tube 43 to be inserted into the mounting hole 23, and the connecting tube 12 and the mounting tube 43 are aligned with the pin shaft hole 24; this structure facilitates the casing driver 4 to be smoothly connected to the connecting plate 2. A plurality of connecting holes 45 and bayonet 46 are provided at the bottom of the side of the casing driver 4, and the connecting holes 45 and the bayonet 46 are staggered; the cooperation of the connecting holes 45 and the bayonet 46 facilitates the casing driver 4 to be smoothly connected to the sleeve 5.

[0032] like Figure 5 As shown, the top of the sleeve 5 is provided with an insert ring 51, which is convenient for inserting into the bottom of the casing driver 4 or the bottom of the adjacent sleeve 5. The side bottom of the insert ring 51 is evenly provided with a plurality of limit pins 53, which are convenient for engaging and limiting with the casing driver 4 or the adjacent sleeve 5. The bottom of the sleeve 5 is provided with a collar 54, and the sides of the collar 54 and the insert ring 51 are evenly provided with a plurality of splicing holes 52; the collar 54 and the splicing holes 52 are convenient for plugging adjacent sleeves 5 and connecting and fixing them through the second connecting pin 7.

[0033] Working principle: The upper part of the casing driver 4 is connected to the connecting plate 2 through the upper first connecting pin 3, the connecting plate 2 is connected to the driving plate 1 through the first connecting pin 3, and the driving plate 1 is connected to the bottom surface of the power head driving sleeve 5 through bolts. The lower part of the casing driver 4 is provided with a bayonet 46 for easy connection with the casing. The sleeve 5 is connected to the sleeve 5 and the barrel shoe 6 through the second connecting pin 7. The power head of the rotary drilling rig drives the casing driver 4 and the drill bit to rotate, and the casing driver 4 is connected to the sleeve 5, driving the sleeve 5 to rotate and press down. When the upper end of the sleeve 5 is about 1m away from the ground, the casing driver 4 is separated from the sleeve 5, and the sleeve 5 is connected to the sleeve 5 with the second connecting pin 7. After the connection, the casing driver 4 and the sleeve 5 are connected through a quick-change wrench. Compared with the prior art, the present application connects the driving disk 1 to the driving head of the rotary excavator, and then connects the driving disk 1 to the connecting disk 2. A casing driver 4 is connected to the bottom of the connecting disk 2, and the drill bit passes through the casing driver 4, the connecting disk 2 and the driving disk 1 and is connected to the power head of the rotary excavator. During operation, the rotary excavator drives the rotating head and the casing driver 4 to rotate to perform drilling, and after drilling to a certain depth, a sleeve 5 is installed in the hole, and then the bottom end of the casing driver 4 is engaged with the sleeve 5 and connected to the sleeve 5, and then the rotary excavator continues to drill. When the sleeve 5 sinks to a suitable position, the drill bit is lifted, and then the sleeve 5 is continued to be spliced. In this reciprocating manner, the sleeve 5 can be installed without removing the drill bit.

[0034] Example 2

[0035] like Figure 1 As shown, a driving device for quickly connecting a steel sleeve of a rotary drilling rig includes a driving disc 1, and a connecting disc 2 is connected to the bottom end of the driving disc 1 through a first connecting pin 3. The driving disc 1 is convenient for connecting to the driving head of the rotary drilling machine; the connecting disc 2 is convenient for connecting to the driving disc 1, plays a receiving role, and is convenient for subsequent connection with other components. The bottom end of the connecting disc 2 is connected to a casing driver 4 through a first connecting pin 3, and a sleeve 5 is provided at the bottom end of the casing driver 4. The casing driver 4 can rotate under the drive of the rotary drilling machine, and the bottom end of the casing driver 4 is connected to the sleeve 5, so as to achieve the purpose of driving the sleeve 5 to rotate, so as to facilitate the protection of the drilled hole through the sleeve 5. There can be multiple sleeves 5, and the multiple sleeves 5 are connected and fixed by the second connecting pin 7; this structure is convenient for splicing sleeves 5 according to the depth of the barrel to ensure that the sleeve 5 can effectively protect the drilled hole and avoid the collapse of the drilled hole.

[0036] like Figure 2 As shown, first ear plates 11 are symmetrically arranged on both sides of the top of the driving disc 1, a connecting tube 12 is arranged on the top of the first ear plate 11, and a through hole 13 is arranged in the middle of the connecting tube 12. The first ear plate 11 and the connecting tube 12 cooperate with the through hole 13 to facilitate the connection of the driving disc 1 and the connecting disc 2 through the first connecting pin 3. A connecting platform 14 is arranged on the top of the driving disc 1, and a plurality of bolt holes 15 are evenly arranged on the connecting platform 14; the cooperation between the connecting platform 14 and the bolt holes 15 facilitates the fixing of the driving disc 1 and the driving head of the rotary drilling machine through bolt connection.

[0037] like Figure 3 As shown, an inner cylinder 21 is provided inside the connection disk 2, and the inner cylinder 21 and the connection disk 2 are connected and fixed by a connection ring 22, and the inner cylinder 21 is convenient for the drill bit to pass through the connection disk 2. Four mounting holes 23 are evenly arranged on the connection ring 22, and the mounting holes 23 are convenient for the connection disk 2 to be connected with the drive disk 1 and the casing driver 4. The connection disk 2 and the inner cylinder 21 are both provided with pin shaft holes 24 at the positions aligned with the mounting holes 23, and this structure is convenient for the first connection pin 3 to pass through the connection disk 2 and the inner cylinder 21.

[0038] like Figure 4As shown, a reinforcement ring 41 is provided at the top of the casing driver 4, and the reinforcement ring 41 is used to enhance the strength of the top of the casing driver 4. A second ear plate 42 is symmetrically provided at the top of the reinforcement ring 41, and a mounting tube 43 is provided at the top of the second ear plate 42, and a through hole 44 is provided in the middle of the mounting tube 43; the first ear plate 11 cooperates with the connecting tube 12 and the second ear plate 42 cooperates with the mounting tube 43 to be inserted into the mounting hole 23, and the connecting tube 12 and the mounting tube 43 are aligned with the pin shaft hole 24; this structure facilitates the casing driver 4 to be smoothly connected to the connecting plate 2. A plurality of connecting holes 45 and bayonet 46 are provided at the bottom of the side of the casing driver 4, and the connecting holes 45 and the bayonet 46 are staggered; the cooperation of the connecting holes 45 and the bayonet 46 facilitates the casing driver 4 to be smoothly connected to the sleeve 5.

[0039] like Figure 5 As shown, the top of the sleeve 5 is provided with an insert ring 51, which is convenient for inserting into the bottom of the casing driver 4 or the bottom of the adjacent sleeve 5. The side bottom of the insert ring 51 is evenly provided with a plurality of limit pins 53, which are convenient for engaging and limiting with the casing driver 4 or the adjacent sleeve 5. The bottom of the sleeve 5 is provided with a collar 54, and the sides of the collar 54 and the insert ring 51 are evenly provided with a plurality of splicing holes 52; the collar 54 and the splicing holes 52 are convenient for plugging adjacent sleeves 5 and connecting and fixing them through the second connecting pin 7.

[0040] like Figure 4 As shown, a plurality of weight-reducing holes 47 are provided on the side of the casing driver 4. The weight-reducing holes 47 are used to reduce the weight of the casing driver 4 and also facilitate observation of the status of the drill bit.

[0041] Example 3

[0042] like Figure 1 As shown, a driving device for quickly connecting a steel sleeve of a rotary drilling rig includes a driving disc 1, and a connecting disc 2 is connected to the bottom end of the driving disc 1 through a first connecting pin 3. The driving disc 1 is convenient for connecting to the driving head of the rotary drilling machine; the connecting disc 2 is convenient for connecting to the driving disc 1, plays a receiving role, and is convenient for subsequent connection with other components. The bottom end of the connecting disc 2 is connected to a casing driver 4 through a first connecting pin 3, and a sleeve 5 is provided at the bottom end of the casing driver 4. The casing driver 4 can rotate under the drive of the rotary drilling machine, and the bottom end of the casing driver 4 is connected to the sleeve 5, so as to achieve the purpose of driving the sleeve 5 to rotate, so as to facilitate the protection of the drilled hole through the sleeve 5. There can be multiple sleeves 5, and the multiple sleeves 5 are connected and fixed by the second connecting pin 7; this structure is convenient for splicing sleeves 5 according to the depth of the barrel to ensure that the sleeve 5 can effectively protect the drilled hole and avoid the collapse of the drilled hole.

[0043] like Figure 2As shown, first ear plates 11 are symmetrically arranged on both sides of the top of the driving disc 1, a connecting tube 12 is arranged on the top of the first ear plate 11, and a through hole 13 is arranged in the middle of the connecting tube 12. The first ear plate 11 and the connecting tube 12 cooperate with the through hole 13 to facilitate the connection of the driving disc 1 and the connecting disc 2 through the first connecting pin 3. A connecting platform 14 is arranged on the top of the driving disc 1, and a plurality of bolt holes 15 are evenly arranged on the connecting platform 14; the cooperation between the connecting platform 14 and the bolt holes 15 facilitates the fixing of the driving disc 1 and the driving head of the rotary drilling machine through bolt connection.

[0044] like Figure 3 As shown, an inner cylinder 21 is provided inside the connection disk 2, and the inner cylinder 21 and the connection disk 2 are connected and fixed by a connection ring 22, and the inner cylinder 21 is convenient for the drill bit to pass through the connection disk 2. Four mounting holes 23 are evenly arranged on the connection ring 22, and the mounting holes 23 are convenient for the connection disk 2 to be connected with the drive disk 1 and the casing driver 4. The connection disk 2 and the inner cylinder 21 are both provided with pin shaft holes 24 at the positions aligned with the mounting holes 23, and this structure is convenient for the first connection pin 3 to pass through the connection disk 2 and the inner cylinder 21.

[0045] like Figure 4 As shown, a reinforcement ring 41 is provided at the top of the casing driver 4, and the reinforcement ring 41 is used to enhance the strength of the top of the casing driver 4. A second ear plate 42 is symmetrically provided at the top of the reinforcement ring 41, and a mounting tube 43 is provided at the top of the second ear plate 42, and a through hole 44 is provided in the middle of the mounting tube 43; the first ear plate 11 cooperates with the connecting tube 12 and the second ear plate 42 cooperates with the mounting tube 43 to be inserted into the mounting hole 23, and the connecting tube 12 and the mounting tube 43 are aligned with the pin shaft hole 24; this structure facilitates the casing driver 4 to be smoothly connected to the connecting plate 2. A plurality of connecting holes 45 and bayonet 46 are provided at the bottom of the side of the casing driver 4, and the connecting holes 45 and the bayonet 46 are staggered; the cooperation of the connecting holes 45 and the bayonet 46 facilitates the casing driver 4 to be smoothly connected to the sleeve 5.

[0046] like Figure 5 As shown, the top of the sleeve 5 is provided with an insert ring 51, which is convenient for inserting into the bottom of the casing driver 4 or the bottom of the adjacent sleeve 5. The side bottom of the insert ring 51 is evenly provided with a plurality of limit pins 53, which are convenient for engaging and limiting with the casing driver 4 or the adjacent sleeve 5. The bottom of the sleeve 5 is provided with a collar 54, and the sides of the collar 54 and the insert ring 51 are evenly provided with a plurality of splicing holes 52; the collar 54 and the splicing holes 52 are convenient for plugging adjacent sleeves 5 and connecting and fixing them through the second connecting pin 7.

[0047] like Figure 4 As shown, a plurality of weight-reducing holes 47 are provided on the side of the casing driver 4. The weight-reducing holes 47 are used to reduce the weight of the casing driver 4 and also facilitate observation of the status of the drill bit.

[0048] like Figure 1 and Figure 6 As shown, the bottom end of the sleeve 5 is connected to a tube boot 6 through a second connecting pin 7, and a plurality of alloy drill teeth 61 are evenly arranged on the bottom surface of the tube boot 6. The tube boot 6 cooperates with the alloy drill teeth 61 to facilitate rotary cutting of the bottom of the drill hole. A plug ring 51 is arranged at the top of the tube boot 6, and splicing holes 52 and limit pins 53 are evenly arranged on the side of the plug ring 51. The splicing holes 52 and limit pins 53 are staggered; this structure is convenient for the tube boot 6 to be connected to the bottom end of the sleeve 5.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A driving device for quickly connecting a steel sleeve of a rotary drilling rig, comprising a driving disc (1), characterized in that: The bottom end of the driving disk (1) is connected to the connecting disk (2) via a first connecting pin (3), the bottom end of the connecting disk (2) is connected to the casing driver (4) via the first connecting pin (3), the bottom end of the casing driver (4) is provided with a sleeve (5), the sleeve (5) may be provided in plurality, and the plurality of sleeves (5) are connected and fixed by a second connecting pin (7).

2. A driving device for a rotary drilling rig quick-connect steel sleeve according to claim 1, characterized in that: The top of the driving disc (1) is symmetrically provided with first ear plates (11) on both sides, the top of the first ear plate (11) is provided with a connecting tube (12), the middle of the connecting tube (12) is provided with a through hole (13), and the top of the driving disc (1) is provided with a connecting platform (14), and the connecting platform (14) is evenly provided with a plurality of bolt holes (15).

3. A driving device for a rotary drilling rig quick connection steel sleeve according to claim 2, characterized in that: An inner cylinder (21) is provided inside the connecting disk (2), and the inner cylinder (21) and the connecting disk (2) are connected and fixed via a connecting ring (22). Four mounting holes (23) are evenly arranged on the connecting ring (22), and pin holes (24) are provided at positions of the connecting disk (2) and the inner cylinder (21) aligned with the mounting holes (23).

4. The driving device for the quick connection steel sleeve of a rotary drilling rig according to claim 3 is characterized in that: The top of the casing driver (4) is provided with a reinforcement ring (41), the top of the reinforcement ring (41) is symmetrically provided with a second ear plate (42), the top of the second ear plate (42) is provided with a mounting tube (43), and the middle of the mounting tube (43) is provided with a through hole (44); the first ear plate (11) cooperates with the connecting tube (12) and the second ear plate (42) cooperates with the mounting tube (43), and both are inserted into the mounting hole (23), and the connecting tube (12) and the mounting tube (43) are both aligned with the pin shaft hole (24); a plurality of connecting holes (45) and bayonet holes (46) are provided at the bottom of the side of the casing driver (4), and the connecting holes (45) and the bayonet holes (46) are staggered.

5. The driving device for the quick connection steel sleeve of a rotary drilling rig according to claim 1, characterized in that: The top of the sleeve (5) is provided with an insert ring (51), the bottom of the side of the insert ring (51) is evenly provided with a plurality of limit pins (53), the bottom of the sleeve (5) is provided with a sleeve ring (54), and the sides of the sleeve ring (54) and the insert ring (51) are evenly provided with a plurality of splicing holes (52).

6. A driving device for a rotary drilling rig quick-connect steel sleeve according to any one of claims 1 to 5, characterized in that: A plurality of weight-reducing holes (47) are provided on the side of the casing driver (4), and the weight-reducing holes (47) are used to reduce the weight of the casing driver (4) and facilitate observation of the status of the drill bit.

7. A driving device for a rotary drilling rig quick connection steel sleeve according to any one of claims 1 to 5, characterized in that: The bottom end of the sleeve (5) is connected to a tube boot (6) via a second connecting pin (7); a plurality of alloy drill teeth (61) are evenly arranged on the bottom surface of the tube boot (6); an insert ring (51) is evenly arranged on the top of the tube boot (6); a splicing hole (52) and a limit pin (53) are evenly arranged on the side surface of the insert ring (51); and the splicing holes (52) and the limit pin (53) are staggered.

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