Wheel mining and injection device

Abstract

The present invention relates to a rotary production and injection device, which comprises an upper joint (1), a main body (2), an upper connecting sleeve (3), a lower connecting sleeve (4) and an oil pipe liquid collecting sleeve (5), wherein an upper sliding sleeve (6) is arranged in the main body (2), a lower sliding sleeve (7) is arranged below the upper sliding sleeve (6), a reversing sleeve (8) is arranged at the position where the main body (2) and the upper connecting sleeve (3) are connected, an annular reversing slideway (70) is arranged on the outer wall of the lower sleeve, a positioning pin (81) is arranged on the reversing sleeve, a lower outer water injection hole (31) is arranged on the side wall of the upper connecting sleeve, a lower inner water injection hole (71) and a hydraulic hole (72) are arranged on the side wall of the lower sleeve, an outer flange (73) is arranged on the outer wall of the lower sleeve below the hydraulic hole, and a reset spring (74) sleeved on the lower sleeve is arranged in the lower connecting sleeve. The profile adjustment operation is simpler by using the device, and the purpose of water injection and oil production in different layers of the same well and water injection in different layers during different periods can be achieved.

Description

Technical Field

[0001] The invention relates to a petroleum tool, in particular to a wheel mining and injection device. Background Art

[0002] The traditional profile control method requires the delivery of oil production, water injection and profile control sealing tools to the wellbore, and then the salvage tools are used to salvage the oil from the ground after the profile control operation. Or the oil production, water injection and profile control switches controlled by the measuring and adjusting instrument are used for oil production, water injection and profile control. Before the oil production, water injection and profile control operations, the measuring and adjusting instrument needs to be delivered to the oil production, water injection and profile control switches in the wellbore by a test vehicle, and the switches are turned on. After the oil production, water injection and profile control, the measuring and adjusting instrument is lowered and the switches are turned off. This traditional tool string operation method requires measuring and adjusting equipment, a test vehicle and test and salvage tools, so the operation cost is high, the efficiency is low, the operation intensity is high, the operation is cumbersome, there are many difficulties that may be encountered, and the probability of causing losses is also relatively high. Summary of the invention

[0003] The purpose of the present invention is to provide a wheel mining and wheel injection device which has the advantages of simple profile control operation, high reliability and efficiency, low use cost and low operation intensity.

[0004] The technical solution of the present invention is: it includes an upper joint, a main body, an upper connecting sleeve, a lower connecting sleeve and an oil pipe liquid collecting sleeve, the upper joint is axially connected to the upper end of the main body, the upper end of the upper connecting sleeve is axially connected to the lower end of the main body, and the lower end is axially connected to the upper end of the lower connecting sleeve, the upper end of the oil pipe liquid collecting sleeve is axially connected to the lower end of the lower connecting sleeve, the central hole at the upper end of the main body is provided with an upper sliding sleeve whose outer wall and the inner wall of the main body are axially sliding and sealingly matched, the side wall of the upper end of the upper sliding sleeve is provided with an upper inner water injection hole, and the side wall of the main body is provided with an upper inner water injection hole. An upper outer water injection hole matched with the upper inner water injection hole is provided, a lower sliding sleeve is provided below the upper sliding sleeve and is located in the central hole of the main body, the upper connecting sleeve and the lower connecting sleeve, the outer wall of the lower sliding sleeve is axially slidingly sealed with the inner wall of the main body and the upper connecting sleeve, a reversing sleeve whose inner wall is axially slidingly matched with the outer wall of the lower sliding sleeve is provided at the position where the main body is connected to the upper connecting sleeve, an annular reversing slideway is provided on the outer wall of the position where the lower sliding sleeve matches with the reversing sleeve, a positioning pin matched with the annular reversing slideway is provided on the reversing sleeve, and a lower The outer water injection hole, the side wall of the lower sleeve is provided with a lower inner water injection hole matched with the lower outer water injection hole, the side wall of the lower sleeve below the lower inner water injection hole is provided with a hydraulic hole, the outer wall of the lower sleeve below the hydraulic hole is provided with an outer flange whose outer wall and the inner wall of the lower connecting sleeve are axially sliding and sealingly matched, the lower connecting sleeve is provided with a return spring located below the outer flange and sleeved on the lower sleeve, the upper end of the return spring is matched with the outer flange, and the lower end is matched with the lower connecting sleeve, the oil pipe liquid collection sleeve is provided with a piston compression spring, a piston and a screw plug, the lower end of the screw plug The upper part is installed on the lower end of the oil pipe liquid collection sleeve, and the part above the lower end is sleeved in the oil pipe liquid collection sleeve. The piston compression spring and the piston are located above the lower end of the screw plug and sleeved on the outside of the screw plug. The upper end of the piston compression spring cooperates with the oil pipe liquid collection sleeve, and the lower end cooperates with the piston. The outer wall of the piston cooperates with the inner wall of the oil pipe liquid collection sleeve axially sliding and sealing, and the inner wall cooperates with the outer wall of the screw plug axially sliding and sealing. A collection through hole connected with the center hole of the screw plug is provided on the side wall of the screw plug below the piston.

[0005] The technical effect of the present invention is that it does not require a profile control sealing tool, a test vehicle, and a test casting and fishing tool, and the profile control operation is simpler, which greatly improves the reliability and efficiency of the operation, and can reduce the operation intensity and save the operation cost. It is simple and reliable to use, and is used with two soluble balls, one large and one small, to cast balls to rotate and control two layers. When one layer is injected with water, the other layer stops injecting water, which can achieve the purpose of water injection and oil production in different layers of the same well, and water injection in different layers in different periods. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 This is an axial cross-sectional structural diagram of an embodiment of the present invention;

[0007] Figure 2 This is an expanded view of the annular reversing slideway according to an embodiment of the present invention. DETAILED DESCRIPTION

[0008] like Figure 1 As shown, it comprises an upper joint 1, a main body 2, an upper connecting sleeve 3, a lower connecting sleeve 4 and an oil pipe liquid collecting sleeve 5, the upper joint 1 is axially connected to the upper end of the main body 2, the upper end of the upper connecting sleeve 3 is axially connected to the lower end of the main body 2, and the lower end is axially connected to the upper end of the lower connecting sleeve 4, the upper end of the oil pipe liquid collecting sleeve 5 is axially connected to the lower end of the lower connecting sleeve 4, the central hole at the upper end of the main body 2 is provided with an upper sliding sleeve 6 whose outer wall is axially slidably sealed with the inner wall of the main body 2, an upper inner water injection hole 61 is provided on the side wall of the upper end of the upper sliding sleeve 6, and an upper outer cap matched with the upper inner water injection hole 61 is provided on the side wall of the main body 2 A water injection hole 21 is provided below the upper sliding sleeve 6, and a lower sliding sleeve 7 is provided in the central hole of the main body 2, the upper connecting sleeve 3 and the lower connecting sleeve 4. The outer wall of the lower sliding sleeve 7 is axially slidingly sealed with the inner wall of the main body 2 and the upper connecting sleeve 3. A reversing sleeve 8 whose inner wall is axially slidingly matched with the outer wall of the lower sliding sleeve 7 is provided at the position where the main body 2 is connected to the upper connecting sleeve 3. An annular reversing slideway 70 is provided on the outer wall of the lower sliding sleeve 7 at the matching position with the reversing sleeve 8. A positioning pin 81 matching with the annular reversing slideway 70 is provided on the reversing sleeve 8. A lower outer water injection hole 31 is provided on the side wall of the upper connecting sleeve 3, and a lower outer water injection hole 31 is provided on the side wall of the lower sliding sleeve 7. There is a lower inner water injection hole 71 that matches the lower outer water injection hole 31, a hydraulic hole 72 is provided on the side wall of the lower sleeve 7 below the lower inner water injection hole 71, and an outer flange 73 is provided on the outer wall of the lower sleeve 7 below the hydraulic hole 72, and the outer wall and the inner wall of the lower connecting sleeve 4 are axially slidingly sealed. A return spring 74 is provided in the lower connecting sleeve 4 and is located below the outer flange 73 and is sleeved on the lower sleeve 7. The upper end of the return spring 74 matches the outer flange 73, and the lower end matches the lower connecting sleeve 4. A piston compression spring 51, a piston 52 and a screw plug 53 are provided in the oil pipe liquid collection sleeve 5, and the lower end of the screw plug 53 is installed. The lower end of the oil pipe liquid collection sleeve 5 and the part above the lower end are sleeved in the oil pipe liquid collection sleeve 5. The piston compression spring 51 and the piston 52 are located above and below the lower end of the screw plug 53 and are sleeved on the outside of the screw plug 5. The upper end of the piston compression spring 51 cooperates with the oil pipe liquid collection sleeve 5, and the lower end cooperates with the piston 52. The outer wall of the piston 52 cooperates with the inner wall of the oil pipe liquid collection sleeve 5 in an axial sliding seal, and the inner wall cooperates with the outer wall of the screw plug 53 in an axial sliding seal. The side wall of the screw plug 53 below the piston 53 is provided with a collecting through hole 54 connected with the center hole of the screw plug 53.

[0009] The upper end of the upper joint 1 is provided with an internal thread 11 for connecting the pipe column, the lower end of the upper joint 1 is axially connected to the external thread of the upper end of the main body 2 through the internal thread, the upper end of the upper connecting sleeve 3 is axially connected to the external thread of the lower end of the main body 2 through the internal thread, and the lower end is axially connected to the internal thread of the upper end of the lower connecting sleeve 4 through the external thread, the upper end of the oil pipe liquid collection sleeve 5 is axially connected to the external thread of the lower end of the lower connecting sleeve 4 through the internal thread, and the lower end of the screw plug 53 is axially connected to the internal thread of the lower end of the oil pipe liquid collection sleeve 5 through the external thread.

[0010] A sealing ring groove is provided on the outer wall below the position where the main body 2 is connected to the upper joint 1 through threads, and a sealing ring 10 is provided in the sealing ring groove to seal with the inner wall of the upper joint 1; a sealing ring groove is provided on the outer wall above the position where the main body 2 is connected to the upper connecting sleeve 3 through threads, and a sealing ring 10 is provided in the sealing ring groove to seal with the inner wall of the upper connecting sleeve 3; a sealing ring groove is provided on the outer wall above the position where the upper connecting sleeve 3 is connected to the lower connecting sleeve 4 through threads, and a sealing ring 10 is provided in the sealing ring groove to seal with the inner wall of the lower connecting sleeve 4; a sealing ring groove is provided on the outer wall above the position where the screw plug 53 is connected to the oil pipe liquid collection sleeve 5 through threads, and a sealing ring 10 is provided in the sealing ring groove to seal with the inner wall of the oil pipe liquid collection sleeve 5.

[0011] The outer walls of the main body 2 and the lower connecting sleeve 4 are respectively provided with sealing ring grooves in the circumferential direction, and each sealing ring groove is respectively provided with a sealing ring 10 which is sealed and matched with the inner wall of the packer.

[0012] Sealing ring grooves are circumferentially provided on the outer wall of the upper sleeve 6 above and below the upper inner water injection hole 61 and at the lower end of the upper sleeve 6 , and sealing rings 10 are provided in each sealing ring groove to seal with the inner wall of the main body 2 .

[0013] An upper sleeve positioning hole 22 is radially provided on the side wall of the main body 2 below the upper outer water injection hole 21. A positioning steel ball 23, a steel ball compression spring 24 and a screw plug 25 are provided in the upper sleeve positioning hole 22 from the inside to the outside. The screw plug 25 is installed on the hole mouth of the upper sleeve positioning hole 22 through threads. A pit matching the positioning steel ball 23 is provided on the outer wall of the upper sleeve 6 to prevent the upper sleeve 6 from automatically descending under the action of gravity.

[0014] A pressing shear pin 26 whose end portion matches the outer wall of the lower sliding sleeve 7 is radially installed on the side wall of the main body 2 through a thread.

[0015] A reversing sleeve groove 32 is provided on the inner wall of the upper connecting sleeve 3 below the lower end surface of the main body 2. The reversing sleeve 8 is installed in the reversing sleeve groove 32. The upper end surface of the reversing sleeve 8 matches with the lower end surface of the main body 2, and the lower end surface matches with the end surface of the reversing groove 32 facing upward.

[0016] The annular reversing slide 70 on the outer wall of the lower sleeve 7 includes a long slide 75 and a short slide 76 parallel to the axial direction of the lower sleeve 7. The upper ends of the long slide 75 and the short slide 76 are connected by an inclined slide 77 inclined to the axial direction of the lower sleeve 7. The upper end of the inclined slide 77 is connected to the upper end of the long slide 75, and the lower end is connected to the upper end of the short slide 76. The lower ends of the long slide 75 and the short slide 76 are connected by a V-shaped slide 78. One upper end of the V-shaped slide 78 is connected to the lower end of the long slide 75, and the other upper end is connected to the lower end of the short slide 76. The lower end of the short slide 76 is provided with a shallow V-groove 79 that cooperates with the positioning pin 81.

[0017] Sealing ring grooves are circumferentially arranged on the outer walls of the lower sleeves 7 above and below the annular reversing slideway 70 , and sealing rings 10 are respectively arranged in each sealing ring groove to seal with the inner walls of the main body 2 and the upper connecting sleeve 3 .

[0018] Sealing ring grooves are circumferentially provided on the outer walls of the lower sleeve 7 above and below the lower inner water injection hole 71 , and sealing rings 10 are provided in each sealing ring groove to seal with the inner wall of the upper connecting sleeve 3 .

[0019] A sealing ring groove is circumferentially arranged on the outer wall of the outer flange 73 of the lower lower sleeve 7 , and a sealing ring 10 is arranged in the sealing ring groove to seal with the inner wall of the lower connecting sleeve 4 .

[0020] A sliding sleeve head 80 is provided below the lower sleeve 7, and its outer wall is axially slidingly sealed with the inner wall of the lower connecting sleeve 4. The sliding sleeve head 80 is axially connected to the external thread of the lower end of the lower sleeve 7 through an internal thread. A sealing ring groove is circumferentially provided on the outer wall above the position where the lower sleeve 7 is connected to the sliding sleeve head 80 through a thread, and a sealing ring 10 that is sealed and matched with the inner wall of the sliding sleeve head 80 is provided in the sealing ring groove. A sealing ring groove is circumferentially provided on the inner wall of the position where the lower connecting sleeve 4 is slidingly sealed with the sliding sleeve head 80, and a sealing ring 10 that is sealed and matched with the outer wall of the sliding sleeve head 80 is provided in the sealing ring groove.

[0021] An inner flange 55 is provided on the inner wall of the oil pipe liquid collecting sleeve 5 below the lower end surface of the lower connecting sleeve 4, and a sealing ring groove is circumferentially provided on the inner wall of the inner flange 55. A sealing ring 10 is provided in the sealing ring groove and is sealed with the outer wall of the upper end of the screw plug 53. The upper end of the piston compression spring 51 is matched with the downward end surface of the inner flange 55, and the lower end is mounted on the outside of the piston 52 and matched with the upward end surface of the piston 52.

[0022] The piston 52 has sealing ring grooves on its outer wall and inner wall respectively. The sealing ring groove on the inner wall has a sealing ring 10 which is sealed with the outer wall of the screw plug 53. The sealing ring groove on the outer wall has a sealing ring 10 which is sealed with the inner wall of the oil pipe liquid collection sleeve 5.

[0023] Working principle:

[0024] When the device is used, it is used in conjunction with a packer, which is installed on the outside of the device. Before the device is sent downhole, the upper inner water injection hole 61 on the upper sliding sleeve 6 and the upper outer water injection hole 21 on the body 2, the lower inner water injection hole 71 on the lower sliding sleeve 7 and the lower outer water injection hole 31 on the upper connecting sleeve 3 are all blocked, and the upper water injection channel and the lower water injection channel are both in a closed state.

[0025] Open the upper water injection channel: When the big ball is dropped from the well, it passes through the center hole of the upper joint 1 and blocks the upper opening of the upper sleeve 6. When pressurized from the well, the pressure overcomes the resistance of the positioning steel ball 23 between the upper sleeve 6 and the main body 2, pushing the upper sleeve 6 downward. When the upper sleeve 6 slides down to the point where the lower end face of the upper sleeve 6 presses against the inner end face of the main body 2 facing upward, the downward movement stops. At this time, the upper inner water injection hole 61 is connected to the upper outer water injection hole 21, and the upper water injection channel is opened. The big ball is made of soluble material. After the big ball dissolves in the well, water can be injected or oil can be produced into the layer above the packer through the upper water injection channel.

[0026] Open the lower water injection channel and close the upper water injection channel: When a small ball is dropped from the well, the small ball passes through the center hole of the upper joint 1 and the upper sliding sleeve 6, blocking the upper opening of the lower sleeve 7. When pressurizing from the well, the lower sleeve 7 will be pressed to cut off the pressure shear nail 26 between the main body 2, and the lower sleeve 7 will move downward and compress the reset spring 74 (the positioning pin 81 will slide upward along the short slide 76 and the inclined slide 77 to the upper end of the long slide 75), and the lower sleeve 7 will slide down to the lowest point. When the well stops pressurizing, the lower sleeve 7 will rebound upward to the highest position under the action of the reset spring 74 (the positioning pin 81 will slide downward along the long slide 75 to the bottom end of the V-shaped slide 78), at which time the lower inner water injection hole 71 and the lower outer water injection hole 31 are connected, and the lower water injection channel is opened. When the lower sleeve 7 slides up to the highest point, it will push up the upper sliding sleeve 6, so that the upper inner water injection hole 61 and the upper outer water injection hole 21 are offset, and the upper water injection channel is closed. The small balls are made of soluble materials. After the small balls are dissolved underground, water can be injected or oil can be produced into the layer below the packer through the water injection channel.

[0027] Open the upper water injection channel and close the lower water injection channel: drop a large ball from the well, the large ball passes through the center hole of the upper joint 1, and blocks the upper opening of the upper sliding sleeve 6. When pressurizing from the well, push the upper sliding sleeve 6 downward to the lowest point, the upper sliding sleeve 6 pushes the lower sliding sleeve 7 downward for a distance and compresses the reset spring 74 (the positioning pin 81 slides upward into the short slide 76 along the V-shaped slide 78), after the pressurization is over, the lower sliding sleeve 7 will rebound upward under the action of the reset spring 74, when the positioning pin 81 slides along the short slide 76 into the shallow V groove 79 at the lower end of the short slide 76, the positioning pin 81 will hook the lower sliding sleeve 7 through the shallow V groove 79, so that the lower sliding sleeve 7 cannot ascend to the highest point. At this time, the lower inner water injection hole 71 and the lower outer water injection hole 31 are staggered, closing the lower water injection channel, while the upper inner water injection hole 61 is connected to the upper outer water injection hole 21, and the upper water injection channel is opened.

[0028] Open the lower water injection channel again and close the upper water injection channel: When the ball is dropped from the well again to increase pressure, the lower sleeve 7 is pushed downward again. After the pressure is stopped, the lower sleeve 7 moves upward to the highest position under the action of the return spring 74, so that the lower inner water injection hole 71 is connected with the lower outer water injection hole 31, and the lower water injection channel is opened. At the same time, the lower sleeve 7 pushes up the upper sleeve 6 to close the upper water injection channel.

[0029] The upper water injection channel and the lower water injection channel are opened and closed alternately, and water is injected and oil is produced alternately in the layers above and below the packer, so that the purpose of rotational production and rotational injection can be achieved.

Claims

1. A wheel mining and wheel injection device, comprising an upper joint (1), a main body (2), an upper connecting sleeve (3), a lower connecting sleeve (4) and an oil pipe liquid collecting sleeve (5), wherein the upper joint (1) is axially connected to the upper end of the main body (2), the upper end of the upper connecting sleeve (3) is axially connected to the lower end of the main body (2), and the lower end is axially connected to the upper end of the lower connecting sleeve (4), the upper end of the oil pipe liquid collecting sleeve (5) is axially connected to the lower end of the lower connecting sleeve (4), the central hole at the upper end of the main body (2) is provided with an upper sliding sleeve (6) whose outer wall is axially slidably sealed with the inner wall of the main body (2), an upper inner water injection hole (61) is provided on the side wall of the upper end of the upper sliding sleeve (6), and an upper outer water injection hole (21) matched with the upper inner water injection hole (61) is provided on the side wall of the main body (2), characterized in that: A lower sleeve (7) is provided below the upper sleeve (6) and is located in the central holes of the main body (2), the upper connecting sleeve (3) and the lower connecting sleeve (4). The outer wall of the lower sleeve (7) is axially slidingly sealed with the inner wall of the main body (2) and the upper connecting sleeve (3). A reversing sleeve (8) is provided at the position where the main body (2) and the upper connecting sleeve (3) are connected, and the inner wall is axially slidingly matched with the outer wall of the lower sleeve (7). The outer wall of the position where the lower sleeve (7) and the reversing sleeve (8) are matched is provided with an annular reversing slideway (70). The reversing sleeve (8) is provided with A positioning pin (81) is matched with the annular reversing slideway (70); a lower outer water injection hole (31) is provided on the side wall of the upper connecting sleeve (3); a lower inner water injection hole (71) is provided on the side wall of the lower sliding sleeve (7) to match the lower outer water injection hole (31); a hydraulic hole (72) is provided on the side wall of the lower sliding sleeve (7) below the lower inner water injection hole (71); an outer flange (73) is provided on the outer wall of the lower sliding sleeve (7) below the hydraulic hole (72) to match the inner wall of the lower connecting sleeve (4) in an axial sliding seal; the lower connecting sleeve (4) A return spring (74) is provided inside the oil pipe liquid collecting sleeve (5) and is located below the outer flange (73) and is sleeved on the lower sleeve (7). The upper end of the return spring (74) matches the outer flange (73) and the lower end matches the lower connecting sleeve (4). A piston compression spring (51), a piston (52) and a screw plug (53) are provided inside the oil pipe liquid collecting sleeve (5). The lower end of the screw plug (53) is installed on the lower end of the oil pipe liquid collecting sleeve (5), and the part above the lower end is sleeved inside the oil pipe liquid collecting sleeve (5). The piston compression spring (51) and the piston ( The piston (52) is located above the lower end of the screw plug (53) and is sleeved on the outside of the screw plug (53). The upper end of the piston compression spring (51) cooperates with the oil pipe liquid collection sleeve (5), and the lower end cooperates with the piston (52). The outer wall of the piston (52) cooperates with the inner wall of the oil pipe liquid collection sleeve (5) in an axial sliding seal, and the inner wall cooperates with the outer wall of the screw plug (53) in an axial sliding seal. The side wall of the screw plug (53) below the piston (53) is provided with a collection through hole (54) connected to the center hole of the screw plug (53).

2. The wheel mining and wheel injection device according to claim 1, characterized in that The upper end of the upper joint (1) is provided with an internal thread (11) for connecting a pipe column, the lower end of the upper joint (1) is axially connected to the external thread of the upper end of the main body (2) via the internal thread, the upper end of the upper connecting sleeve (3) is axially connected to the external thread of the lower end of the main body (2) via the internal thread, and the lower end is axially connected to the internal thread of the upper end of the lower connecting sleeve (4) via the external thread, the upper end of the oil pipe liquid collecting sleeve (5) is axially connected to the external thread of the lower end of the lower connecting sleeve (4) via the internal thread, and the lower end of the screw plug (53) is axially connected to the internal thread of the lower end of the oil pipe liquid collecting sleeve (5) via the external thread.

3. The wheel mining and wheel injection device according to claim 1, characterized in that Sealing ring grooves are circumferentially provided on the outer wall of the upper sliding sleeve (6) above and below the upper inner water injection hole (61) and at the lower end of the upper sliding sleeve (6), and each sealing ring groove is provided with a sealing ring (10) that is sealed and matched with the inner wall of the main body (2).

4. The wheel mining and wheel injection device according to claim 1, characterized in that An upper sleeve positioning hole (22) is radially arranged on the side wall of the main body (2) below the upper outer water injection hole (21); a positioning steel ball (23), a steel ball compression spring (24) and a screw plug (25) are arranged from the inside to the outside of the upper sleeve positioning hole (22); the screw plug (25) is installed on the hole mouth of the upper sleeve positioning hole (22) through threads; a pit matching the positioning steel ball (23) is arranged on the outer wall of the upper sleeve (6) to prevent the upper sleeve (6) from automatically descending under the action of gravity.

5. The wheel mining and wheel injection device according to claim 1, characterized in that A pressing shear pin (26) whose end portion matches the outer wall of the lower sliding sleeve (7) is radially mounted on the side wall of the main body (2) via a thread.

6. The wheel mining and wheel injection device according to claim 1, characterized in that The annular reversing slideway (70) on the outer wall of the lower sleeve (7) comprises a long slideway (75) and a short slideway (76) parallel to the axial direction of the lower sleeve (7); the upper ends of the long slideway (75) and the short slideway (76) are connected via an inclined slideway (77) inclined to the axial direction of the lower sleeve (7); the upper end of the inclined slideway (77) is connected to the upper end of the long slideway (75), and the lower end is connected to the upper end of the short slideway (76); the lower ends of the long slideway (75) and the short slideway (76) are connected via a V-shaped slideway (78); one upper end of the V-shaped slideway (78) is connected to the lower end of the long slideway (75), and the other upper end is connected to the lower end of the short slideway (76); the lower end of the short slideway (76) is provided with a shallow V-groove (79) matched with a positioning pin (81).

7. The wheel mining and wheel injection device according to claim 1, characterized in that The outer wall of the lower lower sleeve (7) above and below the lower inner water injection hole (71) is provided with sealing ring grooves in the circumferential direction, and each sealing ring groove is provided with a sealing ring (10) which is sealed with the inner wall of the upper connecting sleeve (3).

8. The wheel mining and wheel injection device according to claim 1, characterized in that A sealing ring groove is circumferentially provided on the outer wall of the outer flange (73) of the lower sleeve (7), and a sealing ring (10) is provided in the sealing ring groove to seal with the inner wall of the lower connecting sleeve (4).

9. The wheel mining and wheel injection device according to claim 1, characterized in that An inner flange (55) is provided on the inner wall of the oil pipe liquid collecting sleeve (5) below the lower end surface of the lower connecting sleeve (4), and a sealing ring groove is circumferentially provided on the inner wall of the inner flange (55), and a sealing ring (10) is provided in the sealing ring groove to seal with the outer wall of the upper end of the screw plug (53). The upper end of the piston compression spring (51) is matched with the downward end surface of the inner flange (55), and the lower end is sleeved on the outside of the piston (52) and matched with the upward end surface of the piston (52).

10. The wheel mining and wheel injection device according to claim 1, characterized in that The piston (52) is provided with sealing ring grooves on its outer wall and inner wall in a circumferential direction, the sealing ring groove on the inner wall is provided with a sealing ring (10) which is sealed to the outer wall of the screw plug (53), and the sealing ring groove on the outer wall is provided with a sealing ring (10) which is sealed to the inner wall of the oil pipe liquid collecting sleeve (5).

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