While-drilling reamer device for drilling equipment

Abstract

The utility model discloses a while-drilling reamer device for drilling equipment, and relates to the technical field of drilling of soil layers or rocks. A while-drilling reamer device for drilling equipment comprises a drilling reamer, a limiting device is arranged on the drilling reamer and comprises two fixed seats and two sliding seats, eight strip-shaped fin grooves are formed in the outer walls of the two fixed seats, and strip-shaped fins are slidably connected into the sixteen strip-shaped fin grooves. First fixing bolts are in threaded connection with the outer walls of the upper ends of the sixteen strip-shaped fins, when one of the strip-shaped fins needs to be detached in the limiting device, the first fixing bolts are screwed to rotate, the other ends of the first fixing bolts are separated from the interiors of the first fixing bolt grooves, and then the strip-shaped fins can be directly taken down from the fixing base. In this way, the situation that the whole reamer needs to be replaced after one strip-shaped fin is damaged is avoided, the maintenance cost is effectively reduced, and meanwhile the overall efficiency of drilling operation and the continuity of drilling operation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling in soil layers or rocks, and particularly relates to a reamer device for drilling equipment while drilling. Background Art

[0002] As the name implies, a reamer device while drilling is a device that works together with the drill bit during the drilling process. Through a specific reaming mechanism, it expands the wellbore diameter to a predetermined size while drilling. This device can reduce the number of trips in and out of the well, improve the drilling efficiency, and show unique advantages in complex well conditions.

[0003] When the existing reamer device while drilling is in use, when the reamer while drilling reaches the predetermined position, the control valve opens, and high-pressure fluid enters the cutting tool through the motor and the transmission shaft to impact and cut the rock. At the same time, the reaming mechanism also starts to work, gradually expanding the wellbore diameter to the predetermined size. However, when the strip-shaped fins on the drill reamer are damaged after long-term use, the staff needs to replace the entire reamer, which increases the maintenance cost, and at the same time reduces the overall efficiency and continuity of the drilling operation. Summary of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a reamer device for drilling equipment while drilling, which can solve the problem that when the strip-shaped fins on the drill reamer are damaged after long-term use, the staff needs to replace the entire reamer, which increases the maintenance cost, and at the same time reduces the overall efficiency and continuity of the drilling operation.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A reamer device for drilling equipment while drilling, including a drill reamer, and a limiting device is arranged on the drill reamer;

[0006] The limiting device includes two fixed seats and two sliding seats. Eight strip-shaped fin grooves are opened on the outer walls of both fixed seats. Strip-shaped fins are slidably connected to the interiors of the sixteen strip-shaped fin grooves. First fixing bolts are threadedly connected to the outer walls of the upper ends of the sixteen strip-shaped fins;

[0007] Among them, limiting grooves are opened in the lower interiors of the sixteen strip-shaped fin grooves. Eight first fixing bolt grooves are opened on the outer walls of the upper ends of the two fixed seats. One ends of the two sliding seats are fixedly connected to the outer walls of the corresponding fixed seats away from the strip-shaped fins.

[0008] Preferably, the lower outer walls of the sixteen strip-shaped fins are respectively slidably connected to the interiors of the corresponding limiting grooves;

[0009] Among them, one end of each of the sixteen first fixing bolts near the first fixing bolt groove is threadedly extended to the outer wall of the upper end of the strip-shaped fin and is respectively threadedly connected to the inside of the corresponding first fixing bolt groove.

[0010] Preferably, two mounting seats are fixedly connected to the outer wall of the reamer, and sliding seat grooves are formed in the outer walls of the two mounting seats;

[0011] Among them, one end of the outer wall of each of the two sliding seats away from the fixed seat is slidably connected to the inside of the corresponding sliding seat groove.

[0012] Preferably, placing blocks are fixedly connected to the upper and lower outer walls of the two fixed seats, and placing block grooves are formed in the upper and lower outer walls of the two mounting seats;

[0013] Among them, the outer walls of the four placing blocks are respectively in contact with the inner walls of the corresponding placing block grooves, and a drill bit is installed at the lower end of the reamer.

[0014] Preferably, second fixing bolt grooves are formed in the interiors of the four placing block grooves;

[0015] Among them, second fixing bolts are threadedly connected to the outer walls of the four placing blocks.

[0016] Preferably, one end of each of the four second fixing bolts near the second fixing bolt groove is threadedly extended into the interior of the placing block groove and is respectively threadedly connected to the inside of the corresponding second fixing bolt groove;

[0017] Among them, a connecting head is installed at the upper end of the reamer.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. For the downhole reamer device of the drilling equipment, when one of the strip-shaped fins needs to be disassembled through the limiting device, the first fixing bolt is rotated so that the other end is disengaged from the inside of the first fixing bolt groove, and then the strip-shaped fin can be directly removed from the fixed seat. This avoids the need to replace the entire reamer when one of the strip-shaped fins is damaged, thereby effectively reducing the maintenance cost and improving the overall efficiency and continuity of the drilling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following further describes the present utility model in conjunction with the drawings and embodiments:

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a structural schematic diagram of the outside of the fixed seat of the present utility model;

[0023] Figure 3This is a schematic structural diagram of the exterior of the strip-shaped fin of the present utility model.

[0024] Reference numerals: 1, drill reamer; 2, mounting seat; 3, drill bit; 4, fixing seat; 5, strip-shaped fin; 6, first fixing bolt; 7, strip-shaped fin groove; 8, placement block groove; 9, second fixing bolt; 10, connector; 11, second fixing bolt groove; 12, sliding seat; 13, placement block; 14, sliding seat groove; 15, limiting groove; 16, first fixing bolt groove. Specific embodiments

[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that for orientation descriptions, such as up, down, front, back, left, right, etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0027] In the description of the present utility model, greater than, less than, exceeding, etc. are understood as not including the number itself, and above, below, within, etc. are understood as including the number itself. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0028] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0029] Please refer to Figures 1-3 , the present utility model provides a technical solution: a downhole drill reamer device for drilling equipment, including a drill reamer 1;

[0030] A limiting device is provided on the drill reamer 1;

[0031] The limiting device includes two fixed seats 4 and two sliding seats 12. Eight strip-shaped fin slots 7 are provided on the outer walls of both fixed seats 4. Strip-shaped fins 5 are slidably connected to the interiors of the sixteen strip-shaped fin slots 7. First fixing bolts 6 are threadedly connected to the upper outer walls of the sixteen strip-shaped fins 5. Limiting slots 15 are provided in the lower interiors of the sixteen strip-shaped fin slots 7. The lower outer walls of the sixteen strip-shaped fins 5 are respectively slidably connected to the interiors of the corresponding limiting slots 15. Eight first fixing bolt slots 16 are provided on the upper outer walls of both fixed seats 4. One ends of the sixteen first fixing bolts 6 close to the first fixing bolt slots 16 are threadedly extended to the upper outer walls of the strip-shaped fins 5 and are respectively threadedly connected to the interiors of the corresponding first fixing bolt slots 16. One ends of the two sliding seats 12 are fixedly connected to the outer walls of the corresponding fixed seats 4 away from the strip-shaped fins 5.

[0032] Among them, two mounting seats 2 are fixedly connected to the outer wall of the drill and reamer 1. Sliding seat slots 14 are provided on the outer walls of both mounting seats 2. One ends of the two sliding seats 12 away from the fixed seats 4 are respectively slidably connected to the interiors of the corresponding sliding seat slots 14. Placing blocks 13 are fixedly connected to the upper and lower outer walls of both fixed seats 4. Placing block slots 8 are provided on the upper and lower outer walls of both mounting seats 2. The outer walls of the four placing blocks 13 are respectively in contact with the inner walls of the corresponding placing block slots 8. A drill bit 3 is installed at the lower end of the drill and reamer 1. Second fixing bolt slots 11 are provided in the interiors of the four placing block slots 8. Second fixing bolts 9 are threadedly connected to the outer walls of the four placing blocks 13. One ends of the four second fixing bolts 9 close to the second fixing bolt slots 11 are threadedly extended to the interiors of the placing block slots 8 and are respectively threadedly connected to the interiors of the corresponding second fixing bolt slots 11. A connector 10 is installed at the upper end of the drill and reamer 1.

[0033] Further, when using this device, it is started by connecting to an external power supply. First, the drill and reamer 1 is installed on an external device through the connector 10. Then, the external device operates and drills a hole with the drill bit 3 on the drill and reamer 1. At the same time, the strip-shaped fin slots 7 on the drill and reamer 1 also start to work, gradually expanding the wellbore diameter to a predetermined size. Then, when one of the strip-shaped fins 5 needs to be disassembled, the first fixing bolt 6 is turned to rotate so that the other end is disengaged from the interior of the first fixing bolt slot 16, and then the strip-shaped fin 5 can be directly removed from the fixed seat 4. Then, when the fixed seat 4 needs to be disassembled, the second fixing bolt 9 is turned to rotate so that the other end is disengaged from the interior of the second fixing bolt slot 11, and then the fixed seat 4 is pulled to remove the fixed seat 4 and the sliding seat 12 from the mounting seat 2.

[0034] When one of the strip-shaped fins 5 needs to be removed through the limiting device, turn the first fixing bolt 6 to rotate so that the other end disengages from the inside of the first fixing bolt groove 16, and then the strip-shaped fin 5 can be directly removed from the fixing seat 4. This avoids replacing the entire reamer when one of the strip-shaped fins 5 is damaged, thereby effectively reducing the maintenance cost. At the same time, the overall efficiency and continuity of the drilling operation are improved. By turning the second fixing bolt 9 to rotate so that the other end disengages from the inside of the second fixing bolt groove 11, and then pulling the fixing seat 4, the fixing seat 4 and the sliding seat 12 can be removed from the mounting seat 2. This facilitates the staff to disassemble the fixing seat 4, effectively improving the practicality and flexibility of the equipment, and at the same time improving the work efficiency of the staff.

[0035] Working principle: First, install the drill reamer 1 on the external device through the connector 10. Then, when the external device operates, drill holes with the drill bit 3 on the drill reamer 1. At the same time, the strip-shaped fin groove 7 on the drill reamer 1 also starts to work, gradually expanding the wellbore diameter to the predetermined size. Then, when one of the strip-shaped fins 5 needs to be removed, turn the first fixing bolt 6 to rotate so that the other end disengages from the inside of the first fixing bolt groove 16, and then the strip-shaped fin 5 can be directly removed from the fixing seat 4. Then, when the fixing seat 4 needs to be removed, turn the second fixing bolt 9 to rotate so that the other end disengages from the inside of the second fixing bolt groove 11, and then pull the fixing seat 4 to remove the fixing seat 4 and the sliding seat 12 from the mounting seat 2.

[0036] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art in the said technical field, various changes can be made without departing from the purpose of the present invention.

Claims

1. A drilling reamer device for a drilling equipment, comprising a drilling reamer (1), characterized in that: The drilling and reaming device (1) is provided with a limiting device; The limiting device comprises two fixed seats (4) and two sliding seats (12), the outer walls of the two fixed seats (4) are each provided with eight strip-shaped wing slots (7), the interiors of the sixteen strip-shaped wing slots (7) are each slidably connected with a strip-shaped wing (5), and the upper end outer walls of the sixteen strip-shaped wing (5) are each threadedly connected with a first fixing bolt (6); The lower ends of the sixteen strip-shaped wing slots (7) are each provided with a limiting slot (15), the upper outer walls of the two fixed seats (4) are each provided with eight first fixing bolt slots (16), and the outer walls of one end of the two sliding seats (12) are respectively fixedly connected to the outer walls of one end of the corresponding fixed seats (4) away from the strip-shaped wing (5).

2. A drilling reamer device for drilling equipment according to claim 1, characterized in that: The lower end outer walls of the sixteen strip-shaped wing pieces (5) are respectively slidably connected to the inside of the corresponding limiting grooves (15); Among them, one end of the sixteen first fixing bolts (6) close to the first fixing bolt groove (16) is threadedly extended to the outer wall of the upper end of the strip-shaped wing (5) and is respectively connected with the internal thread of the corresponding first fixing bolt groove (16).

3. The reamer device for drilling equipment according to claim 1, characterized in that: The outer wall of the drilling and reaming device (1) is fixedly connected to two mounting seats (2), and the outer walls of the two mounting seats (2) are both provided with sliding seat grooves (14); The outer walls of the two sliding seats (12) at one end away from the fixed seat (4) are respectively slidably connected to the inside of the corresponding sliding seat groove (14).

4. The reamer device for drilling equipment according to claim 1, characterized in that: The upper and lower outer walls of the two fixing seats (4) are both fixedly connected with placement blocks (13), and the upper and lower outer walls of the two mounting seats (2) are both provided with placement block grooves (8); The outer walls of the four placement blocks (13) are respectively in contact with the inner walls of the corresponding placement block grooves (8), and a drill bit (3) is installed at the lower end of the drilling reamer (1).

5. A drilling reamer device for drilling equipment according to claim 4, characterized in that: The four placement block slots (8) are each provided with a second fixing bolt slot (11); The outer walls of the four placement blocks (13) are all threadedly connected with second fixing bolts (9).

6. A drilling reamer device for drilling equipment according to claim 5, characterized in that: One end of each of the four second fixing bolts (9) near the second fixing bolt groove (11) is threadedly extended into the interior of the placement block groove (8) and is respectively threadedly connected with the interior of the corresponding second fixing bolt groove (11); Wherein, a connector (10) is installed at the upper end of the drilling and reaming device (1).

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