Drill collar deep hole machining device with deviation prevention function

Abstract

The utility model provides a drill collar deep hole machining device with an anti-deviation function. The drill collar deep hole machining device comprises a horizontally-arranged deep hole drilling machine and two supporting anti-deviation frames capable of adjusting the horizontal distance. The deep hole drilling machine comprises a machine body, a workpiece fixing seat and a drilling mechanism, the workpiece fixing seat and the drilling mechanism are oppositely arranged on the two sides of the machine body in the horizontal length direction, a drill collar bar to be subjected to deep hole machining is clamped and fixed to the workpiece fixing seat, and the two supporting deviation-preventing frames are arranged in the length direction of the machine body in a spaced mode and can support and clamp the drill collar bar. The two supporting anti-deviation frames are located at the positions, corresponding to the one-third length and the two-third length of the drill collar bar, of the lathe bed respectively when deep hole machining is conducted on the drill collar bar, and the other end of the drill collar bar sequentially penetrates through the two supporting anti-deviation frames and then abuts against the drilling mechanism, and deep hole machining can be conducted through the drilling mechanism. By arranging the two supporting anti-deviation frames, drill collar bars can be stably supported and clamped during deep hole machining, and meanwhile the situation of drill collar wall thickness deviation can be improved by cooperating with the workpiece fixing base.

Description

Technical Field

[0001] The present application relates to the technical field of drill collar processing, and in particular to a drill collar deep hole processing device with an anti-deviation function. Background Art

[0002] In the field of oil drilling equipment processing, deep-hole machining of drill collars is often involved. Located at the bottom of the drill string, the drill collar is a key component of the lower drill assembly. Its main characteristic is its thick wall, typically 38-53mm, equivalent to 4-6 times the thickness of the drill pipe, resulting in high gravity and rigidity. To facilitate tripping, elevator and slip grooves can be machined into the outer surface of the internal thread of the drill collar.

[0003] At present, the raw material for processing drill collars is solid round bar stock. The deep hole is first processed by a deep hole drilling machine, and then the outer circle is turned based on the inner hole. The length of the drill collar is close to 10m, and the drill collar with a diameter of 6.5 inches (165.1mm) is generally processed with round bar stock with a diameter of 180mm. When performing deep hole processing, due to the long length of the drill collar, the wall thickness after deep hole processing is prone to deviation. Once the wall thickness deviation exceeds the allowable range, the entire round bar stock needs to be made into a small-sized drill collar, so that more steel chips are processed when turning the outer circle, resulting in serious waste of materials. Based on this, the present application proposes a drill collar deep hole processing device with an anti-deviation function. Utility Model Content

[0004] The present application provides a drill collar deep hole processing device with an anti-deviation function, which is used to solve the problem in the prior art that wall thickness deviation is easy to occur when deep hole processing of drill collars is performed using a deep hole drilling machine.

[0005] To solve the above technical problems, this application adopts the following technical solutions:

[0006] A drill collar deep hole processing device with an anti-deflection function comprises a horizontal deep hole drilling machine and two support anti-deflection frames whose horizontal spacing can be adjusted on the deep hole drilling machine;

[0007] The deep hole drilling machine includes a bed, a workpiece fixing seat and a drilling mechanism, the workpiece fixing seat and the drilling mechanism are relatively arranged on both sides of the horizontal length direction of the bed, the workpiece fixing seat clamps and fixes the drill collar rod to be deep hole processed, two supporting anti-deflection frames are arranged on the bed, the two supporting anti-deflection frames are spaced apart along the length direction of the bed and can support and clamp the drill collar rod, one supporting anti-deflection frame is located at one-third of the length of the bed corresponding to the drill collar rod when the drill collar rod is deep hole processed, and the other supporting anti-deflection frame is located at two-thirds of the length of the bed corresponding to the drill collar rod when the drill collar rod is deep hole processed, the other end of the drill collar rod passes through the two supporting anti-deflection frames in sequence and abuts against the drilling mechanism, and can be deep hole processed by the drilling mechanism;

[0008] The two support anti-deflection frames are coaxially arranged with the workpiece fixing seat and the drilling mechanism. The workpiece fixing seat adopts a four-jaw chuck that can clamp and fix the drill collar bar. The four-jaw chuck is a four-jaw single-action chuck in which each jaw can move independently.

[0009] In an optional solution of the present application, the drilling mechanism includes a cutter bar, a cutter head, a sliding seat and a slide rail;

[0010] The slide rail is arranged on the side of the bed opposite to the workpiece fixing seat, the sliding seat is horizontally slidably connected to the slide rail, and the sliding seat can also be connected and fixed to the bed by fastening bolts. A tool rod that can rotate while moving horizontally is installed on the sliding seat, and a tool head for drilling holes in the drill rod is provided at one end of the tool rod that is biased toward the workpiece fixing seat.

[0011] In an optional solution of the present application, a fixed bracket is installed on the bed between the workpiece fixing seat and the drilling mechanism, and two support anti-deflection frames are slidably provided on the fixed bracket, and the two support anti-deflection frames are respectively provided with locking parts for limiting and fixing on the fixed bracket after sliding adjustment.

[0012] In an optional solution of the present application, the tool rod is a hollow structure, and the tool head is provided with a chip removal hole connected to the tool rod.

[0013] In an optional scheme of the present application, the support anti-deflection frame includes a lower support plate and an upper support plate rotatably connected to one end of the lower support plate, the other end of the lower support plate is detachably connected to the other end of the upper support plate by a bolt, the inner side surfaces of the lower support plate and the upper support plate are both arc-shaped surfaces, and the inner side surfaces of the lower support plate and the upper support plate are respectively connected by screws with arc-shaped clips for clamping the drill rod material, the lower support plate is slidably connected to the fixed bracket, and the locking member is arranged on the lower support plate and is used to connect the lower support plate to the fixed bracket.

[0014] In an optional solution of the present application, the sliding seat is provided with an embedding groove in a truncated cone structure for inserting the end of the drill collar bar on the side abutting the drill collar bar.

[0015] In an optional solution of the present application, the locking member is a locking bolt with a screwing hand dial.

[0016] In an optional solution of the present application, the fixed bracket includes two vertical plates and two sliding rods. The two vertical plates are horizontally spaced apart and fixedly arranged on the bed. Two sliding rods distributed front and back and parallel to the horizontal length direction of the bed are fixedly connected between the two vertical plates. The bottom end of the support anti-skewness frame is connected to the two sliding rods, and the locking member can limit the support anti-skewness frame on the sliding rod when tightened.

[0017] In an optional solution of the present application, the fixing bracket is arranged at the middle position of the bed, and the length of the sliding rod is 1 / 2 of the maximum distance between the workpiece fixing seat and the drilling mechanism.

[0018] Compared with the prior art, this application has the following beneficial effects:

[0019] 1. The present application provides a drill collar deep hole processing device with an anti-deviation function, comprising a horizontally arranged deep hole drilling machine and two support anti-deviation frames with adjustable horizontal spacing on the deep hole drilling machine. By arranging two support anti-deviation frames with adjustable horizontal spacing on the bed, the spacing between the two support anti-deviation frames can be adjusted according to the length of the drill collar rod to be processed, so that the drill collar rod can be further reasonably supported on the basis of clamping and fixing to maintain stability. During deep hole processing, one of the support anti-deviation frames can be adjusted to a position at one-third of the length of the drill collar rod corresponding to the bed, and the other support anti-deviation frame can be adjusted to a position at one-third of the length of the drill collar rod corresponding to the bed. It is adjusted to the position on the bed corresponding to two-thirds of the length of the drill collar rod, so that two supporting and clamping position points are added to the entire drill collar rod in the length direction. At the same time, the supporting and clamping position points of the drill collar rod by these two supporting anti-deviation frames are also the three-division points of the length direction of the drill collar rod, so that the drill collar rod can be stably supported and clamped during deep hole processing, and one end of the drill collar rod is clamped by the workpiece fixing seat, and the other end of the drill collar rod passes through the two supporting anti-deviation frames and abuts against the drilling mechanism, which helps to improve the stability of the drill collar rod during deep hole processing, thereby improving the wall thickness deviation.

[0020] 2. The two supporting anti-deviation frames of the present application are coaxially arranged with the workpiece fixing seat and the drilling mechanism. In this way, when the drill collar rod is clamped and fixed, the horizontal drilling can be maintained better. In addition, the workpiece fixing seat of the present application adopts a four-jaw chuck that can clamp and fix the drill collar rod. The four-jaw chuck is a four-jaw single-motion chuck in which each jaw can move independently. The use of this form of workpiece fixing seat and the setting of the supporting anti-deviation frames at two special positions can cooperate with the four-jaw chuck to correct the deviation by changing the axis when the drill collar reaches two special positions during deep hole processing, thereby reducing eccentricity and improving wall thickness deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 A schematic structural diagram of a drill collar deep hole machining device with an anti-deflection function provided in one embodiment of the present application;

[0023] Figure 2 A schematic structural diagram of a support anti-deflection frame provided in one embodiment of the present application;

[0024] Figure 3 A schematic structural diagram of a fixing bracket provided in one embodiment of the present application;

[0025] Figure 4 This is a schematic structural diagram of a workpiece fixing seat provided in one embodiment of the present application.

[0026] Reference numerals:

[0027] 100, deep hole drilling machine; 110, bed; 120, workpiece fixing seat; 121, clamping claw; 130, drilling mechanism; 131, tool bar; 132, tool head; 133, sliding seat; 1331, embedding groove; 134, slide rail; 200, support anti-deviation frame; 210, lower support plate; 220, upper support plate; 300, drill collar bar; 400, locking piece; 500, fixed bracket; 510, vertical plate; 520, slide rod. DETAILED DESCRIPTION

[0028] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application are clearly and completely described below. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts also fall within the scope of protection of this application.

[0029] In the description of this application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply 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 this application.

[0030] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.

[0031] In the description of this application, it should be noted that, unless otherwise specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0032] Figure 1 A schematic structural diagram of a drill collar deep hole machining device with an anti-deflection function provided in one embodiment of the present application; Figure 2 A schematic structural diagram of a support anti-deflection frame provided in one embodiment of the present application; Figure 3 A schematic structural diagram of a fixing bracket provided in one embodiment of the present application; Figure 4 This is a schematic diagram of the structure of a workpiece fixing seat provided in one embodiment of the present application. Figure 1-Figure 4 As shown, the drill collar deep hole processing device with anti-deflection function provided in an embodiment of the present application includes a horizontally arranged deep hole drilling machine 100 and two support anti-deflection frames 200 whose horizontal spacing can be adjusted on the deep hole drilling machine 100.

[0033] The deep hole drilling machine 100 includes a bed 110, a workpiece fixing seat 120 and a drilling mechanism 130. The workpiece fixing seat 120 and the drilling mechanism 130 are relatively arranged on both sides of the horizontal length direction of the bed 110. The workpiece fixing seat 120 clamps and fixes the drill collar bar 300 to be deep hole processed. Two support anti-deflection frames 200 are arranged on the bed 110. The two support anti-deflection frames 200 are arranged at intervals along the length direction of the bed 110 and can support the drill collar bar 300. Clamping, one supporting anti-deviation frame 200 is located at one-third of the length of the drill collar rod 300 on the bed 110 when the drill collar rod 300 is undergoing deep hole processing, and the other supporting anti-deviation frame 200 is located at two-thirds of the length of the drill collar rod 300 on the bed 110 when the drill collar rod 300 is undergoing deep hole processing. The other end of the drill collar rod 300 passes through the two supporting anti-deviation frames 200 in sequence and then abuts against the drilling mechanism 130, and can be used for deep hole processing by the drilling mechanism 130.

[0034] Furthermore, the two supporting anti-deviation frames 200 are arranged coaxially with the workpiece fixing seat 120 and the drilling mechanism 130. The workpiece fixing seat 120 adopts a four-jaw chuck that can clamp and fix the drill collar rod 300. The four-jaw chuck has four jaws 121, and the four-jaw chuck is a four-jaw single-action chuck in which each jaw 121 can move independently.

[0035] The drill collar deep hole processing device with anti-deviation function provided in an embodiment of the present application includes a horizontally arranged deep hole drilling machine 100 and two support anti-deviation frames 200 whose horizontal spacing can be adjusted on the deep hole drilling machine 100. By arranging two support anti-deviation frames 200 whose horizontal spacing can be adjusted on the bed 110, the spacing between the two support anti-deviation frames 200 can be adjusted according to the length of the drill collar rod 300 to be processed, so that the drill collar rod 300 can be further reasonably supported on the basis of clamping and fixation to maintain stability.

[0036] The drill collar deep hole processing device with anti-deviation function of the embodiment of the present application can adjust one of the anti-deviation support frames 200 to be located at one-third of the length of the drill collar rod 300 corresponding to the bed 110, and adjust the other anti-deviation support frame 200 to be located at two-thirds of the length of the drill collar rod 300 corresponding to the bed 110, so that the entire drill collar rod 300 is provided with two additional support and clamping position points in the length direction. At the same time, these two support anti-deviation frames can be adjusted to be located at one-third of the length of the drill collar rod 300 corresponding to the bed 110. The support and clamping position point of the deflection frame 200 for the drill collar rod 300 is also the point that divides the length direction of the drill collar rod 300 into three equal parts, so that the drill collar rod 300 can be stably supported and clamped during deep hole processing. In addition, one end of the drill collar rod 300 is clamped by the workpiece fixing seat 120, and the other end of the drill collar rod 300 passes through the two supporting anti-deflection frames 200 and abuts against the drilling mechanism 130. This helps to improve the stability of the drill collar rod 300 during deep hole processing, thereby improving the wall thickness deviation.

[0037] In an embodiment of the present application, two supporting anti-deviation frames 200 are arranged coaxially with the workpiece fixing seat 120 and the drilling mechanism 130. In this way, when the drill collar rod 300 is clamped and fixed, the horizontal drilling can be maintained better. In addition, the workpiece fixing seat 120 of the present application adopts a four-jaw chuck that can clamp and fix the drill collar rod 300. The four-jaw chuck is a four-jaw single-action chuck in which each jaw can move independently. The use of this form of workpiece fixing seat 120 and the setting of the supporting anti-deviation frame 200 at two special positions can cooperate with the four-jaw chuck to correct the deviation by changing the axis when the drill collar reaches two special positions during deep hole processing, thereby reducing eccentricity and improving wall thickness deviation.

[0038] In some embodiments, the drilling mechanism 130 includes a tool rod 131 , a tool head 132 , a sliding seat 133 and a slide rail 134 .

[0039] Among them, the slide rail 134 is arranged on the side of the bed 110 opposite to the workpiece fixing seat 120, and the sliding seat 133 is horizontally slidably connected to the slide rail 134, so that the position of the sliding seat 133 on the slide rail 134 can be adjusted, so as to adapt to the deep hole processing of drill collar bars of different specifications and lengths. The sliding seat 133 can also be connected and fixed to the bed 110 by fastening bolts, so that the sliding seat 133 can be fixed after the position is adjusted and no longer moves, ensuring that the sliding seat 133 will not move easily during the processing. A tool rod 131 that can rotate while moving horizontally is installed on the sliding seat 133, and the rotation of the tool rod 131 is realized by a driving device, which can be specifically realized by a motor. A tool head 132 for drilling the drill collar bar 300 is provided at one end of the tool rod 131 that is biased toward the workpiece fixing seat 120.

[0040] When in use, one end of the drill collar rod 300 is clamped and fixed by the workpiece fixing seat 120, and the main part of the drill collar rod 300 is supported by two supporting anti-skew frames 200. The sliding seat 133 is moved on the slide rail 134 to approach the other end of the drill collar rod 300, so that the other end of the drill collar rod 300 abuts against the sliding seat 133, and then the sliding seat 133 is locked on the bed 110 by tightening the bolts, and then the two supporting anti-skew frames 200 are adjusted to the three-division point position of the drill collar rod 300 respectively, and then the supporting anti-skew frames 200 are locked so that the position of the supporting anti-skew frames 200 no longer changes. In this way, one end of the drill collar bar 300 is clamped by the workpiece fixing seat 120, and the other end of the drill collar bar 300 is supported and clamped by two support anti-deflection frames 200 and then abuts against the drilling mechanism 130, so that the drill collar bar 300 is relatively stably placed between the workpiece fixing seat 120 and the drilling mechanism 130. When the device is used for deep hole processing, the workpiece fixing seat 120 remains in position and the sliding seat 133 of the drilling mechanism 130 also remains in position. The tool rod 131 of the drilling mechanism 130 moves horizontally under the drive of the motor and keeps rotating during the horizontal movement. The drill collar bar 300 is drilled by the cutter head 132 at the end of the tool rod 131. As the cutter head 132 continues to enter the interior of the drill collar bar 300, the deep hole processing of the drill collar bar 300 is gradually completed.

[0041] In deep hole machining, in order to reduce eccentricity so that the wall thickness of the drill collar can be relatively uniform from beginning to end to meet the requirements, when using the drill collar deep hole machining device with anti-deviation function of the embodiment of the present application, the operation can be carried out in the following manner:

[0042] Taking the processing of a 9.6-meter-long drill collar bar as an example, after the drill collar bar 300 is clamped using the above-mentioned method and the drill collar deep hole processing device provided by the embodiment of the present application is adjusted, drilling can be carried out. When the deep hole drilling machine is in use, for a drill collar bar nearly 10 meters long, as the drilling goes deeper, the wall thickness difference of the drill collar bar in the rear drilling part is often greater than the wall thickness difference of the drill collar bar in the first drilling part, which means that the rear section of the drill collar bar is more likely to have a larger wall thickness difference. Therefore, the present application uses two support anti-deflection frames 200 to divide the drill collar bar 300 into three sections: the front section, the middle section, and the rear section. When drilling reaches the first anti-deflection support frame 200 (i.e., the anti-deflection support frame away from the workpiece holder 120), drilling is suspended and the wall thickness difference is measured with a thickness gauge. If the wall thickness difference is less than 1 / 3 of the standard requirement, drilling can be continued without adjustment to the second anti-deflection support frame 200 (i.e., the anti-deflection support frame close to the workpiece holder 120), that is, adjustments are made at a position more than 6 meters away. If the wall thickness difference is greater than 1 / 3 of the standard requirement, adjustments must be made, otherwise the wall thickness difference will exceed the standard requirement when the second anti-deflection support frame 200 is reached. The adjustment method is to find the maximum point of the wall thickness, mark the thickest point of the wall thickness, and extend a straight line to the tail of the drill collar (the end of the workpiece fixing seat 120) to make a mark. Because the workpiece fixing seat 120 of the embodiment of the application adopts a four-jaw single-action chuck in which each jaw can move independently, a pad of suitable thickness can be clamped under the jaw at this position at this mark, and the amount of the downward pressure of 2 times the wall thickness deviation is used as the standard. Then, the drill collar rod is clamped by the four-jaw single-action chuck. After the drill collar rod is clamped, the second support anti-deviation frame 200 is opened or moved toward the position of the first support anti-deviation frame 200, so that the drill collar rod is at this position of more than 6 meters (from the sliding The drill collar is drilled on one side and the second anti-deviation support frame 200 is used to support the drill bit, and the drill bit is drilled to the position of the second anti-deviation support frame 200 at the beginning of the processing. If the wall thickness difference returns to 1 / 3 of the standard requirement, the pad added by the four-jaw single-action chuck is removed and adjusted to the original normal coaxial position. The second anti-deviation support frame 200 is then reused. In this way, the wall thickness difference of the tail of the drill collar is definitely within the standard requirement. This method of using a four-jaw single-action chuck in conjunction with two anti-deviation support frames 200 to change the axis significantly reduces the eccentricity of the drill collar, and the wall thickness of the inner hole of the drill collar is relatively uniform from beginning to end, which can meet the needs of processing and production and is very practical.

[0043] In the prior art, when processing drill collars, because deep hole drilling machines are prone to producing large variations in wall thickness at the exit, solid bar stock with a large outer diameter is often selected for processing. After the deep hole is processed, a cylindrical lathe is used to turn the inner diameter to achieve coaxiality to meet standard requirements. This, due to the larger outer diameter of the selected raw material, consumes more manpower and time, and more raw material is sacrificed as steel chips. Moreover, if the eccentricity does not meet the standard, the drill collar must be processed again to the next smaller size, resulting in a significant waste of resources. When performing deep hole processing of drill collars, the drill collar deep hole processing device with anti-deviation function provided in the embodiment of the present application is used, and the method mentioned in the above embodiment is used to perform segmented processing during drilling, which can significantly improve the segregation situation, especially for the rear section, and greatly improve the product qualification rate. Moreover, using the drill collar deep hole processing device of the embodiment of the present application, it is no longer necessary to select solid bars with a large outer diameter as in traditional technology. The present application can, to a certain extent, select solid bars with a slightly smaller outer diameter that meet the processing requirements to process drill collars that meet standard requirements, thereby reducing raw material waste and saving costs.

[0044] In some embodiments, a fixed bracket 500 is installed on the bed 110 between the workpiece fixing seat 120 and the drilling mechanism 130, and two supporting anti-deviation frames 200 are slidably provided on the fixed bracket 500. The two supporting anti-deviation frames 200 are respectively provided with locking parts 400 for limiting and fixing on the fixed bracket 500 after sliding adjustment.

[0045] When in use, the two supporting anti-deviation frames 200 are slidably set on the fixed bracket 500. Within the length range of the fixed bracket 500, the two supporting anti-deviation frames 200 can slide left and right, thereby adjusting the distance between the two supporting anti-deviation frames 200, so that the appropriate position can be selected according to the length of the drill rod to be processed to move the supporting anti-deviation frames 200. The two supporting anti-deviation frames 200 that have been adjusted in position can be fixed on the fixed bracket 500 by the locking piece 400.

[0046] In some embodiments, the tool rod 131 is hollow, and the cutter head 132 is provided with a chip removal hole connected to the tool rod 131. When the cutter head 132 is drilling, the steel chips generated are transferred through the chip removal hole on the cutter head 132 into the hollow tool rod 131, so that the steel chips can be transferred out through the tool rod 131 for processing during use, thereby facilitating collection.

[0047] In some embodiments, the support anti-deviation frame 200 includes a lower support plate 210 and an upper support plate 220 rotatably connected to one end of the lower support plate 210, and the other end of the lower support plate 210 is detachably connected to the other end of the upper support plate 220 by a bolt, so that the support anti-deviation frame 200 becomes an openable and closable frame structure, thereby facilitating the clamping of the drill collar rod 300. The inner side surfaces of the lower support plate 210 and the upper support plate 220 are both arc-shaped surfaces, which are used to fit with the surface of the drill collar rod 300 when clamping it, and the inner side surfaces of the lower support plate 210 and the upper support plate 220 are respectively connected by screws. It is equipped with an arc-shaped clip for clamping the drill collar rod 300. Drill collar rods 300 with different outer diameters can be applied by adding, reducing or replacing arc-shaped clips of appropriate thickness. The lower support plate 210 is slidably connected to the fixed bracket 500. The entire support anti-deflection frame 200 can be moved by sliding the lower support plate 210. The locking piece 400 is provided on the lower support plate 210 and is used to connect the lower support plate 210 with the fixed bracket 500. After the support anti-deflection frame 200 is moved to a suitable position of the fixed bracket 500, the support anti-deflection frame 200 is fixed by the locking piece 400 to prevent it from moving.

[0048] In some embodiments, the sliding seat 133 is provided with a frustoconical embedding groove 1331 on the side abutting the drill collar bar 300, into which the end of the drill collar bar 300 can be inserted. The embedding groove 1331 is provided so that the drill collar bar 300 is placed in the embedding groove 1331 while abutting against the embedding groove 1331. This allows the drill collar bar 300 to be kept stable during processing, so that the drill collar bar 300 can be aligned with the center of the embedding groove 1331 during drilling. Optionally, the embedding groove 1331 is a frustoconical structure with a larger outer portion and a smaller inner portion. Such a structure is suitable for abutting the drill collar bar 300 and can accommodate drill collar bars 300 of different outer diameters within a certain range. During use, during the feeding process of the cutter bar 13, the cutter head 132 at the end of the cutter bar 13 first passes through the embedding groove 1331 and then gradually enters the drill collar bar 300 to drill.

[0049] In some embodiments, the locking member 400 is a locking bolt with a screw handle. The locking member 400 can be tightened or loosened by turning the locking member 400 clockwise or counterclockwise.

[0050] In some embodiments, the fixed bracket 500 includes two vertical plates 510 and two sliding rods 520. The two vertical plates 510 are horizontally spaced apart and fixedly arranged on the bed 110. Two sliding rods 520 distributed front to back and parallel to the horizontal length direction of the bed 110 are fixedly connected between the two vertical plates 510. The bottom end of the support anti-skew frame 200 is connected to the two sliding rods 520. The locking member 400 can limit the support anti-skew frame 200 on the sliding rods 520 when tightened. Specifically, the bottom end of the lower support plate 210 is connected to the two sliding rods 520, thereby realizing a sliding connection between the entire support anti-skew frame 200 and the two sliding rods 520, while the upper support plate 220 is not connected to the sliding rods 520. Therefore, the upper support plate 220 can rotate relative to the lower support plate 210 when opened without being affected.

[0051] In some embodiments, the fixed bracket 500 is arranged in the middle position of the bed 110. In actual application, the fixed bracket 500 can be set at the center position between the workpiece fixing seat 120 and the drilling mechanism 130. Since the sliding seat 133 of the drilling mechanism 130 can be moved on the slide rail 134, when determining the installation position of the fixed bracket 500, the sliding seat 133 can be moved to the position at the maximum distance from the workpiece fixing seat 120, and then the center position is found based on the distance between the workpiece fixing seat 120 and the drilling mechanism 130 to install and fix the fixed bracket 500. Optionally, the length of the slide rod 520 is 1 / 2 of the maximum distance between the workpiece fixing seat 120 and the drilling mechanism 130. This ensures that when the two support anti-skew frames 200 move horizontally on the slide rod 520, they can be moved and adjusted to the position corresponding to the three-division point of the drill shank bar 300, thereby better applying the drill shank deep hole processing device of the embodiment of the present application.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A drill collar deep hole processing device with anti-deviation function, characterized in that: It comprises a deep hole drilling machine (100) with a horizontal layout and two support anti-deviation frames (200) whose horizontal spacing can be adjusted on the deep hole drilling machine (100); The deep hole drilling machine (100) comprises a bed (110), a workpiece fixing seat (120) and a drilling mechanism (130); the workpiece fixing seat (120) and the drilling mechanism (130) are arranged on both sides of the bed (110) in a horizontal length direction; the workpiece fixing seat (120) clamps and fixes a drill collar bar (300) to be deep hole processed; two support anti-deviation frames (200) are arranged on the bed (110); the two support anti-deviation frames (200) are arranged at intervals along the length direction of the bed (110) and can support and clamp the drill collar bar (300). , one of the support anti-deviation frames (200) is located at one third of the length of the bed (110) corresponding to the drill collar bar (300) when deep hole processing is performed on the drill collar bar (300), and the other support anti-deviation frame (200) is located at two thirds of the length of the bed (110) corresponding to the drill collar bar (300) when deep hole processing is performed on the drill collar bar (300), and the other end of the drill collar bar (300) passes through the two support anti-deviation frames (200) in sequence and then abuts against the drilling mechanism (130), so that deep hole processing can be performed by the drilling mechanism (130); The two support anti-deviation frames (200) are coaxially arranged with the workpiece fixing seat (120) and the drilling mechanism (130); the workpiece fixing seat (120) adopts a four-jaw chuck capable of clamping and fixing the drill collar bar (300); and the four-jaw chuck is a four-jaw single-action chuck in which each jaw can move independently.

2. The drill collar deep hole processing device with anti-deviation function according to claim 1, characterized in that: The drilling mechanism (130) comprises a cutter bar (131), a cutter head (132), a sliding seat (133) and a sliding rail (134); The slide rail (134) is arranged on a side of the bed (110) opposite to the workpiece fixing seat (120); the sliding seat (133) is horizontally slidably connected to the slide rail (134); the sliding seat (133) can also be connected and fixed to the bed (110) by fastening bolts; a tool rod (131) that can rotate while moving horizontally is installed on the sliding seat (133); a tool head (132) for drilling the drill rod (300) is arranged at one end of the tool rod (131) that is biased towards the workpiece fixing seat (120).

3. The drill collar deep hole processing device with anti-deviation function according to claim 2, characterized in that: A fixed bracket (500) is installed on the bed (110) between the workpiece fixing seat (120) and the drilling mechanism (130), and two supporting anti-deviation frames (200) are slidably arranged on the fixed bracket (500), and the two supporting anti-deviation frames (200) are respectively provided with locking members (400) for limiting and fixing on the fixed bracket (500) after sliding adjustment.

4. The drill collar deep hole processing device with anti-deviation function according to claim 3, characterized in that: The knife rod (131) is a hollow structure, and the knife head (132) is provided with a chip removal hole which is connected to the knife rod (131).

5. The drill collar deep hole processing device with anti-deviation function according to claim 4, characterized in that: The support anti-bias frame (200) includes a lower support plate (210) and an upper support plate (220) rotatably connected to one end of the lower support plate (210), and the other end of the lower support plate (210) is detachably connected to the other end of the upper support plate (220) by bolts, and the inner side surfaces of the lower support plate (210) and the upper support plate (220) are both arc-shaped surfaces, and the inner side surfaces of the lower support plate (210) and the upper support plate (220) are respectively connected by screws with arc-shaped clips for clamping the drill rod (300), and the lower support plate (210) is slidably connected to the fixed bracket (500), and the locking member (400) is arranged on the lower support plate (210) and is used to connect the lower support plate (210) to the fixed bracket (500).

6. The drill collar deep hole processing device with anti-deviation function according to claim 2 or 3, characterized in that: The sliding seat (133) is provided with an embedding groove (1331) in a truncated cone structure for the end of the drill collar rod (300) to be inserted on one side thereof abutting against the drill collar rod (300).

7. The drill collar deep hole processing device with anti-deviation function according to any one of claims 3 to 5, characterized in that: The locking member (400) is a locking bolt with a screwing handle.

8. The drill collar deep hole processing device with anti-deviation function according to any one of claims 3 to 5, characterized in that: The fixed bracket (500) includes two vertical plates (510) and two sliding bars (520), the two vertical plates (510) are horizontally spaced apart and fixedly arranged on the bed (110), two sliding bars (520) distributed front and back and parallel to the horizontal length direction of the bed (110) are fixedly connected between the two vertical plates (510), the bottom end of the support anti-deviation frame (200) is connected to the two sliding bars (520), and the locking member (400) can limit the support anti-deviation frame (200) on the sliding bar (520) when tightened.

9. The drill collar deep hole processing device with anti-deviation function according to claim 8, characterized in that: The fixing bracket (500) is arranged at the middle section of the bed (110), and the length of the sliding rod (520) is 1 / 2 of the maximum distance length between the workpiece fixing seat (120) and the drilling mechanism (130).

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