A split full-bore slip for a belt pressure machine

Abstract

The present invention discloses a split full-bore cava for a pressure-carrying operation machine, and the technical scheme thereof mainly comprises: comprising a split full-bore cava body, wherein two stabilizing frames are arranged inside the split full-bore cava body; a positioning component is arranged inside the stabilizing frames and is used to position the pipe column when the pipe is lowered, wherein the positioning component comprises a plurality of mounting grooves, wherein the plurality of mounting grooves are respectively arranged on both sides inside the two stabilizing frames, and the split full-bore cava body, stabilizing frames, center frames, stabilizing columns, rotating columns, torsion springs, rotating columns, spiral resistance grooves and a first bearing are arranged to cooperate with each other, so that the friction between the pipe column and the split full-bore cava body can be reduced, and the hard contact between the split full-bore cava body and the pipe column can be prevented, resulting in the split full-bore cava body scratching the surface of the pipe column, and at the same time, the pipe column can be prevented from being not centered, resulting in the split full-bore cava body being subjected to unilateral force and aggravating eccentric wear.

Description

Technical Field

[0001] The invention relates to the technical field of pressure-operating equipment, and in particular to a split full-diameter slip for a pressure-operating machine. Background Art

[0002] The split full-bore slip is a key component in oil drilling tools. It is usually used in oil drilling and is used to anchor and seal the oil pipe or casing during completion or well repair operations. The split type may refer to the slip being divided into several parts, which can be split and opened and closed for easy installation and removal. The full-bore means that the inner diameter is the same as the oil pipe or casing. The split full-bore slip is composed of multiple independent slip blocks, which are tightly connected through specific connection methods such as hinges, mortise and tenon, etc. When working, the slip blocks can move relative to each other along the preset track or gap to realize the opening and closing action of the slip. This design enables the slip to adapt to drill pipes or casings of different sizes, and can be quickly opened or closed when needed, facilitating the lifting and lowering operations of the drill pipe or casing.

[0003] In the prior art, since the split full-bore slip is a key component in the pressure working machine, which is used to anchor and seal the oil pipe or casing, when the pipe string is placed in the split full-bore slip, the split full-bore slip is in a separated state, and the pipe string will shake inside the split full-bore slip at this time. Therefore, the pipe string will move along the inner side of the split full-bore slip, which will cause wear on one side of the split full-bore slip, resulting in an increase in the diameter of the split full-bore slip, making it impossible for the split full-bore slip to completely fit the surface of the pipe string, resulting in reduced anchoring of the pipe string. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a split full-diameter slip for a belt pressure working machine to solve the problems raised in the above-mentioned background technology.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A split full-diameter slip for a pressure working machine comprises a split full-diameter slip body, wherein two stabilizing frames are arranged inside the split full-diameter slip body; a positioning assembly is arranged inside the stabilizing frame and is used to position the pipe column when the pipe is lowered, wherein the positioning assembly comprises: a plurality of mounting grooves, wherein the plurality of mounting grooves are respectively arranged on both sides of the interior of the two stabilizing frames, wherein movable grooves are respectively arranged on both sides of the interior of the mounting grooves, wherein a center frame is arranged inside the mounting groove, wherein rotating columns are respectively fixedly installed on both sides of the center frame, wherein a torsion spring is movably sleeved on the outer circular wall surface of the rotating column, wherein the torsion spring is movably sleeved on the movable groove, wherein a stabilizing column is arranged inside the center frame, wherein the stabilizing column Rotating columns are fixedly installed at both ends, rotating holes are opened on both sides of the center frame, the inner circular wall of the rotating hole is fixedly sleeved with a first bearing, the rotating column is fixedly sleeved with the inner circular wall of the inner ring of the first bearing, and a spiral resistance groove is opened on the outer circular wall of the stabilizing column; locking direction components for limiting the center frame are arranged on both sides of the stabilizing frame; a switch component for operating the locking of the center frame is arranged on one side of the stabilizing frame; a sliding component for moving the stabilizing frame is arranged on the inner bottom surface of the split full-diameter cava body; anti-obstruction components for stably separating the split full-diameter cava body are arranged on both sides of the stabilizing frame.

[0007] By adopting the above technical scheme, through the stabilizing column, when the staff runs the pressure operation machine and operates the pipe string, the split full-bore cava body is used to anchor the pipe string, and then the pipe string will pass through the middle of multiple stabilizing columns and contact the surfaces of multiple stabilizing columns after entering the interior of the stabilizing frame, and then the surface of the pipe string will rub against the surface of the stabilizing column during the downward movement. At this time, the stabilizing column will rotate due to the friction of the pipe string. At the same time, since the angles of the four center frames and the stabilizing column are tilted downward, and the four center frames and the stabilizing column move synchronously, the pipe string can be always in the middle of several stabilizing columns, and then cooperate with the rotation of the stabilizing column, so as to reduce the friction between the pipe string and the split full-bore cava body, prevent the split full-bore cava body from scratching the surface of the pipe string due to hard contact between the split full-bore cava body and the pipe string, and at the same time, prevent the pipe string from being not centered, resulting in the split full-bore cava body being subjected to unilateral force and aggravating eccentric wear.

[0008] Preferably, the locking direction component includes: a fixing groove, the fixing groove is opened on the outer circular wall surface of the center frame, the inner circular wall surface of the fixing groove is fixedly sleeved with a spur gear, mounting holes are respectively opened on both sides of the stabilizing frame, a fixing column is fixedly installed inside the mounting hole, a swing column is movably sleeved on the outer circular wall surface of the fixing column, a limiting block is fixedly installed on one end of the swing column, and the limiting block is movably engaged with the tooth groove of the spur gear.

[0009] By adopting the above technical solution, the initial positions of the center frame and the stabilizing column are tilted downward by the spur gears, while the swing column and the limiting block are not engaged with the spur gears inside the mounting hole. When the pipe column is placed between several stabilizing columns, the staff drives the limiting block to move by the swing column, and then engages the limiting block in the tooth groove of the spur gear, thereby limiting the rotation of the center frame and preventing the center frame and the stabilizing column from being pressed toward one side when the pipe column is offset, causing the stabilizing column on one side to be rotated under force, causing the pipe column to be eccentric to one side.

[0010] Preferably, the switch assembly comprises: two fixed platforms, the two fixed platforms are respectively fixedly mounted on one side of the two stabilizing frames, the outer circular wall surface of the fixed column is movably sleeved with a first bevel gear, the first bevel gear is fixedly mounted to the swing column, the top surface of the fixed platform is provided with two supporting grooves, the inner circular wall surface of the supporting groove is fixedly sleeved with a second bearing, the inner circular wall surface of the inner ring of the second bearing is fixedly sleeved with a supporting column, the top surface of the supporting column is fixedly mounted with a second bevel gear, the second bevel gear is meshingly connected with the first bevel gear, the outer circular wall surface of the support column is fixedly sleeved with a first sprocket, the top surface of the fixed platform is provided with a center groove, the inner circular wall surface of the center groove is fixedly sleeved with a third bearing, the inner circular wall surface of the inner ring of the third bearing is fixedly sleeved with an operating column, the outer circular wall surface of the operating column is fixedly sleeved with two second sprockets, and the second sprocket and the outer circular wall surface of the first sprocket are meshingly connected with a chain.

[0011] By adopting the above technical solution, through the setting of the operating column, the staff drives the second sprocket and the third bearing to rotate by rotating the operating column, and then the second sprocket will drive the chain to rotate during the rotation, and the chain will drive the first sprocket to rotate during the rotation, and the first sprocket will drive the support column and the second bevel gear to rotate when the first sprocket rotates, and then the second bevel gear will engage and drive the first bevel gear to rotate, and then the rotation of the first bevel gear will drive the swing column and the limiting block to rotate, so that the limiting block can enter the tooth groove of the spur gear, or move the limiting block out of the tooth groove of the spur gear, so as to facilitate the switch control to limit the center frame.

[0012] Preferably, a reserved groove is opened on one side of the stabilizing frame, two positioning columns are fixedly installed inside the reserved groove, a third sprocket is movably sleeved on the outer circular wall surface of the positioning column, and the third sprocket is meshingly connected with the chain.

[0013] By adopting the above technical solution, the chain is arranged around the outer wall of the stabilizing frame through the third sprocket, and when the chain passes through the curved part of the stabilizing frame, it will engage with the third sprocket, and then the chain will drive the third sprocket to rotate during the rotation process, so as to assist the chain to pass through the curved part of the stabilizing frame and prevent the chain from rubbing against the surface of the stabilizing frame during rotation.

[0014] Preferably, the sliding assembly includes: a plurality of fixed blocks, each of which is fixedly mounted on the inner bottom surface of the split full-diameter cava body, each two of the fixed blocks form a group, a threaded column is arranged between each group of the fixed blocks, a movable hole is opened on one side of the fixed block, the movable hole is movably connected with the threaded column, mounting frames are fixedly mounted on both sides of the split full-diameter cava body, a stepper motor is fixedly mounted inside the mounting frame, the driving shaft of the stepper motor is fixedly mounted on the threaded column, a threaded hole is opened on one side of the stabilizing frame, and the threaded hole is threadedly connected with the threaded column.

[0015] By adopting the above technical solution, through the setting of the threaded column, when the split full-bore cava body is separated and the pipe string is put in, the pipe string will shake in the middle of the split full-bore cava body, and the split full-bore cava body needs to be merged before the pipe string can be clamped and anchored. At this time, the staff uses a stepper motor, and the rotation of the drive shaft of the stepper motor will drive the threaded column to rotate, thereby moving the two stabilizing frames and driving the center frame and the stabilizing column to move, so that several stabilizing columns can be close to the surface of the pipe string, so that the stabilizing column can always limit the pipe string after the split full-bore cava body is separated, preventing the pipe string from shaking when it is placed in the split full-bore cava body.

[0016] Preferably, a plurality of limit columns are fixedly mounted on the inner bottom surface of the split full-diameter slip body, and two limit holes are opened on one side of the stabilizing frame, and the limit holes are slidably connected to the limit columns.

[0017] By adopting the above technical solution and setting the limiting column, the stabilizing frame can be limited in movement.

[0018] Preferably, the anti-obstruction component includes: a plurality of fixed frames, the plurality of fixed frames are respectively fixedly mounted on both sides of the split full-diameter cava body, a movable frame is fixedly mounted on one side of the interior of the fixed frame, two mounting columns are fixedly mounted on the bottom surface of the movable frame, and two scrapers are respectively fixedly mounted on both sides of the interior of the movable frame.

[0019] By adopting the above technical scheme, through the scraper that is set, when the split full-bore cava body is separated, the split full-bore cava body will move on the slide rail, and then the split full-bore cava body will drive the fixed frame, the movable frame and the scraper to move. At this time, the movable frame and the scraper will move along the slide rail of the split full-bore cava body, so as to facilitate the cleaning of oil stains on the slide rail of the split full-bore cava body, prevent solid particles in the drilling fluid, such as rock cuttings, sand particles and metal debris from invading the slide rail gap with the oil, or the slide rail of the split full-bore cava body is contaminated with dust during operation, resulting in the accumulation of pollutants to form hard particles, which increases the friction of the slide rail and increases the opening and closing resistance of the split full-bore cava body, resulting in asynchronous movement.

[0020] Preferably, a rotating hole is provided on one side of the mounting column, a positioning frame is fixedly installed on one side of the mounting column, a sleeve column is fixedly installed inside the rotating hole, a first cleaning brush is movably sleeved on the outer circular wall surface of the sleeve column, a movable column is fixedly installed inside the positioning frame, a second cleaning brush is movably sleeved on the outer circular wall surface of the movable column, a positioning groove is provided on one side of the mounting column, a third cleaning brush is arranged between the two mounting columns, and the third cleaning brush is movably sleeved on the positioning groove.

[0021] By adopting the above technical solution, through the provision of the first cleaning brush, when the movable frame, the mounting column and the scraper move on the surface of the split full-bore cava body slide rail, the first cleaning brush and the third cleaning brush will be driven to move, and then the first cleaning brush and the third cleaning brush will move along the surface of the split full-bore cava body slide rail, and at this time the first cleaning brush and the third cleaning brush will rotate, thereby facilitating the cleaning of the surface of the split full-bore cava body slide rail.

[0022] Preferably, a flow hole is provided on the top surface of the mounting column, a storage box is fixedly installed on the top surface of the movable frame, two lower oil holes are provided on the bottom surface of the storage box, a plurality of oil outlet holes are provided on the bottom surface of the storage box, two drainage holes are provided on the top surface of the movable frame, the drainage holes, the flow holes and the lower oil holes are connected, an oil inlet hole is provided on the top surface of the sleeve column, a plurality of oil drainage holes are provided on the outer circular wall surface of the sleeve column, the oil inlet hole is connected with the flow hole, an oil filling hole is provided on the top surface of the storage box, and a sealing cover is movably connected to the inner circular wall surface of the oil filling hole.

[0023] By adopting the above technical solution, a storage box is set up, and lubricating oil is injected into the interior of the storage box, and then the lubricating oil will flow out of the storage box through the oil outlet hole and drip on the surface of the split full-bore cava body slide rail, and then the lubricating oil inside the storage box will flow into the interior of the oil inlet hole through the lower oil hole and the drainage hole, and then flow out of the oil inlet hole through multiple oil drainage holes, so that the first cleaning barrel brush can be soaked, which is convenient for lubricating the surface of the split full-bore cava body slide rail, so that the split full-bore cava body can be stably separated.

[0024] In summary, the present invention mainly has the following beneficial effects:

[0025] By cooperating with each other through the arranged split full-bore cava body, stabilizing frame, center frame, stabilizing column, rotating column, torsion spring, rotating column, spiral resistance groove and first bearing, the pipe column can be always kept in the middle part of several stabilizing columns, thereby cooperating with the rotation of the stabilizing column, thereby reducing the friction between the pipe column and the split full-bore cava body, preventing the split full-bore cava body from scratching the surface of the pipe column due to hard contact between the split full-bore cava body and the pipe column, and at the same time, preventing the pipe column from being not centered, resulting in the split full-bore cava body being subjected to unilateral force and aggravating eccentric wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0027] Figure 2 It is a schematic diagram of the structure of the stabilizing frame of the present invention;

[0028] Figure 3 It is a schematic diagram of the installation slot structure of the present invention;

[0029] Figure 4 It is a schematic diagram of the center frame structure of the present invention;

[0030] Figure 5 It is a schematic diagram of the fixed platform structure of the present invention;

[0031] Figure 6 It is a schematic diagram of the fixed column structure of the present invention;

[0032] Figure 7 It is a schematic diagram of the structure of the operating column of the present invention;

[0033] Figure 8 It is a schematic diagram of the reserved slot structure of the present invention;

[0034] Fig. 9 yes Figure 8 Schematic diagram of the local structure of A;

[0035] Fig.10 It is a schematic diagram of the fixed block structure of the present invention;

[0036] Fig.11 yes Fig.10 Schematic diagram of the local structure of B;

[0037] Fig.12 It is a schematic diagram of the structure of the mobile rack of the present invention;

[0038] Fig.13 It is a schematic diagram of the mounting column structure of the present invention;

[0039] Fig.14 It is a schematic diagram of the scraper structure of the present invention;

[0040] Fig.15 It is a schematic diagram of the storage box structure of the present invention;

[0041] Fig.16 It is a schematic diagram of the sleeve column structure of the present invention.

[0042] Figure numerals: 1, split full-diameter slip body; 2, stabilizing frame; 3, mounting groove; 4, center frame; 5, stabilizing column; 6, rotating column; 7, torsion spring; 8, movable groove; 9, rotating hole; 10, rotating column; 11, spiral resistance groove; 12, fixed groove; 13, spur gear; 14, mounting hole; 15, fixed column; 16, swing column; 17, limiting block; 18, fixed platform; 19, first bevel gear; 20, supporting column; 21, second bevel gear; 22, first sprocket; 23, supporting groove; 24, second bearing; 25, center groove; 26, third bearing; 27, operating column; 28, second sprocket; 29, chain; 30, reserved groove; 31, Positioning column; 32, third sprocket; 33, fixed block; 34, movable hole; 35, mounting frame; 36, stepping motor; 37, threaded column; 38, threaded hole; 39, limiting hole; 40, limiting column; 41, fixed frame; 42, movable frame; 43, mounting column; 44, scraper; 45, rotating hole; 46, positioning frame; 47, movable column; 48, first cleaning brush; 49, sleeve column; 50, positioning groove; 51, third cleaning brush; 52, flow hole; 53, storage box; 54, oil outlet hole; 55, lower oil hole; 56, oil filling hole; 57, first bearing; 58, oil inlet hole; 59, oil drain hole; 60, drain hole; 61, second cleaning brush. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] Example 1: Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7A split full-diameter slip for a pressure working machine comprises a split full-diameter slip body 1, two stabilizing frames 2 are arranged inside the split full-diameter slip body 1, a positioning assembly is arranged inside the stabilizing frame 2, and the positioning assembly comprises a plurality of mounting grooves 3, and the plurality of mounting grooves 3 are respectively arranged on both sides of the inside of the two stabilizing frames 2, and movable grooves 8 are respectively arranged on both sides of the inside of the mounting grooves 3, a center frame 4 is arranged inside the mounting grooves 3, and rotating columns 6 are respectively fixedly installed on both sides of the center frame 4, and the outer circumferential wall surface of the rotating column 6 is movably sleeved with a torsion spring 7, and the torsion spring 7 is movably sleeved with the movable groove 8, and a stabilizing column 5 is arranged inside the center frame 4, and rotating columns 10 are respectively fixedly installed at both ends of the stabilizing column 5, and the center frame 4 is provided with a stabilizing column 5. Rotating holes 9 are respectively provided on both sides, and the inner circular wall of the rotating hole 9 is fixedly sleeved with a first bearing 57, the rotating column 10 is fixedly sleeved with the inner circular wall of the inner ring of the first bearing 57, and the outer circular wall of the stabilizing column 5 is provided with a spiral resistance groove 11. The two sides of the stabilizing frame 2 are provided with locking direction components for limiting the center frame 4, and one side of the stabilizing frame 2 is provided with a switch component for operating the locking of the center frame 4. The inner bottom surface of the split full-bore cava body 1 is provided with a sliding component for moving the stabilizing frame 2, and the two sides of the stabilizing frame 2 are provided with anti-obstruction components for stably separating the split full-bore cava body 1. Through the provided stabilizing column 5, when the staff operates the pressure-carrying operation machine and operates the pipe string, the split full-bore cava body 1 is used to operate the pressure-carrying operation machine. The slip body 1 anchors the pipe string, and then after the pipe string enters the interior of the stabilizing frame 2, it will pass through the middle of the multiple stabilizing columns 5 and contact the surfaces of the multiple stabilizing columns 5, and then the surface of the pipe string will rub against the surface of the stabilizing columns 5 during the downward movement. At this time, the stabilizing columns 5 will rotate due to the friction of the pipe string. At the same time, since the angles of the four center frames 4 and the stabilizing columns 5 are tilted downward, and the four center frames 4 and the stabilizing columns 5 move synchronously, the pipe string can be always in the middle of the multiple stabilizing columns 5, and then cooperate with the rotation of the stabilizing columns 5, thereby reducing the friction between the pipe string and the split full-bore slip body 1, and preventing the split full-bore slip body 1 from being scratched due to hard contact between the split full-bore slip body 1 and the pipe string The surface of the pipe column, at the same time, prevents the pipe column from being miscentered, resulting in aggravated eccentric wear caused by unilateral force on the split full-diameter slip body 1, the locking direction component includes a fixing groove 12, the fixing groove 12 is opened on the outer circumferential wall of the center frame 4, the inner circumferential wall of the fixing groove 12 is fixedly sleeved with a spur gear 13, and mounting holes 14 are respectively opened on both sides of the stabilizing frame 2, and a fixing column 15 is fixedly installed inside the mounting hole 14, and a swing column 16 is movably sleeved on the outer circumferential wall of the fixing column 15, and a limiting block 17 is fixedly installed at one end of the swing column 16, and the limiting block 17 is movably engaged with the tooth groove of the spur gear 13. Through the spur gear 13, the initial positions of the center frame 4 and the stabilizing column 5 are tilted downward, while the swing column 16 and the limiting block 17 are not engaged with the spur gear 13 inside the mounting hole 14.When the pipe column is placed between several stabilizing columns 5, the staff will move the limiting block 17 by letting the swing column 16 drive it, and then insert the limiting block 17 into the tooth groove of the spur gear 13, so as to limit the rotation of the center frame 4, and prevent the center frame 4 and stabilizing columns 5 from being pressed to one side when the pipe column deviates, causing the stabilizing column 5 on one side to rotate under force, causing the pipe column to be eccentric to one side.

[0045] Embodiment 2: Based on the above embodiment 1, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9The switch assembly includes two fixed platforms 18, which are fixedly installed on one side of the two stable frames 2 respectively. The outer circumferential wall surface of the fixed column 15 is movably sleeved with a first bevel gear 19, and the first bevel gear 19 is fixedly installed with the swing column 16. The top surface of the fixed platform 18 is provided with two support grooves 23, and the inner circumferential wall surface of the support groove 23 is fixedly sleeved with a second bearing 24, and the inner circumferential wall surface of the inner ring of the second bearing 24 is fixedly sleeved with a support column 20, and the top surface of the support column 20 is fixedly installed with a second bevel gear 21, and the second bevel gear 21 is meshed and connected with the first bevel gear 19. The support column The outer circumferential wall surface of the fixing platform 18 is fixedly sleeved with a first sprocket 22, a center groove 25 is provided on the top surface of the fixing platform 18, a third bearing 26 is fixedly sleeved with an inner circumferential wall surface of the center groove 25, an operating column 27 is fixedly sleeved with an inner circumferential wall surface of the inner ring of the third bearing 26, two second sprockets 28 are fixedly sleeved with an outer circumferential wall surface of the operating column 27, and the second sprocket 28 and the outer circumferential wall surface of the first sprocket 22 are meshed and connected with a chain 29, and through the provided operating column 27, the staff drives the second sprocket 28 and the third bearing 26 to rotate by rotating the operating column 27, and then the second sprocket 28 rotates. The chain 29 will be driven to rotate, and the chain 29 will drive the first sprocket 22 to rotate during the rotation process. When the first sprocket 22 rotates, it will drive the support column 20 and the second bevel gear 21 to rotate, and then the second bevel gear 21 will mesh and drive the first bevel gear 19 to rotate, and then the rotation of the first bevel gear 19 will drive the swing column 16 and the limit block 17 to rotate, so that the limit block 17 can enter the tooth groove of the spur gear 13, or move the limit block 17 out of the tooth groove of the spur gear 13, so as to facilitate the switch control to limit the center frame 4. A reserved space is provided on one side of the stabilizing frame 2. Groove 30, two positioning columns 31 are fixedly installed inside the reserved groove 30, and the outer circular wall surface of the positioning column 31 is movably sleeved with a third sprocket 32, and the third sprocket 32 ​​is meshed and connected with the chain 29. Through the set third sprocket 32, the chain 29 is set around the outer wall of the stabilizing frame 2, and when the chain 29 passes through the bending part of the stabilizing frame 2, it will mesh with the third sprocket 32, and then the chain 29 will drive the third sprocket 32 ​​to rotate during the rotation process, so as to assist the chain 29 to pass through the bending part of the stabilizing frame 2 and prevent the chain 29 from rubbing against the surface of the stabilizing frame 2 during rotation.

[0046] Embodiment 3: Based on the above embodiment 1 or 2, refer to Figure 1 , Figure 2 , Figure 8 and Fig.10The sliding assembly includes a plurality of fixed blocks 33, which are fixedly mounted on the inner bottom surface of the split full-diameter slip body 1. Every two fixed blocks 33 form a group, and a threaded column 37 is arranged between each group of fixed blocks 33. A movable hole 34 is provided on one side of the fixed block 33, and the movable hole 34 is movably sleeved with the threaded column 37. Mounting frames 35 are fixedly mounted on both sides of the split full-diameter slip body 1, and a stepping motor 36 is fixedly mounted inside the mounting frame 35. The driving shaft of the stepping motor 36 is fixedly mounted with the threaded column 37. A threaded hole 38 is provided on one side of the stabilizing frame 2, and the threaded hole 38 is threadedly connected with the threaded column 37. Through the arranged threaded column 37, when the split full-diameter slip body 1 is separated and the pipe column is put in, the pipe column will be in the split full-diameter slip body 1. The middle of the full-diameter cava body 1 shakes, and the split full-diameter cava body 1 needs to be merged before the pipe column can be clamped and anchored. At this time, the staff uses the stepper motor 36, and the rotation of the drive shaft of the stepper motor 36 will drive the threaded column 37 to rotate, thereby making the two stabilizing frames 2 move and drive the center frame 4 and the stabilizing column 5 to move, so that several stabilizing columns 5 can be close to the surface of the pipe column, so that the stabilizing column 5 can always limit the pipe column after the split full-diameter cava body 1 is separated, to prevent the pipe column from shaking when it is placed in the split full-diameter cava body 1. Several limit columns 40 are fixedly installed on the inner bottom surface of the split full-diameter cava body 1, and two limit holes 39 are opened on one side of the stabilizing frame 2, and the limit holes 39 are slidably connected with the limit columns 40.

[0047] Embodiment 4: Based on the above embodiment 1, 2 or 3, reference Figure 1 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 , Fig.15 and Fig.16The anti-obstruction component includes a plurality of fixed frames 41, which are respectively fixedly mounted on both sides of the split full-bore slip body 1, a moving frame 42 is fixedly mounted on one side of the interior of the fixed frame 41, two mounting columns 43 are fixedly mounted on the bottom surface of the moving frame 42, and two scrapers 44 are respectively fixedly mounted on both sides of the interior of the moving frame 42. By means of the provided scrapers 44, when the split full-bore slip body 1 is separated, the split full-bore slip body 1 will move on the slide rail, and then the split full-bore slip body 1 will drive the fixed frame 41, the moving frame 42 and the scraper 44 to move, and at this time, the moving frame 42 and the scraper 44 will move along the slide rail of the split full-bore slip body 1, thereby facilitating the sliding of the split full-bore slip body 1 The oil stains on the rails are cleaned to prevent solid particles in the drilling fluid, such as rock cuttings, sand particles and metal debris, from invading the rail gap with the oil or the rails from being contaminated with dust during the operation of the split full-bore slip body 1, resulting in the accumulation of pollutants to form hard particles, which increases the friction of the rails and increases the opening and closing resistance of the split full-bore slip body 1, resulting in asynchronous movements. A rotating hole 45 is provided on one side of the mounting column 43, a positioning frame 46 is fixedly installed on one side of the mounting column 43, a sleeve column 49 is fixedly installed inside the rotating hole 45, and a first cleaning brush 48 is movably sleeved on the outer circumferential wall of the sleeve column 49, a movable column 47 is fixedly installed inside the positioning frame 46, and a second cleaning brush 61 is movably sleeved on the outer circumferential wall of the movable column 47, and a rotating hole 45 is provided on one side of the mounting column 43. There is a positioning groove 50, and a third cleaning brush 51 is arranged between the two mounting columns 43. The third cleaning brush 51 is movably connected with the positioning groove 50. Through the first cleaning brush 48, when the movable frame 42, the mounting column 43 and the scraper 44 move on the surface of the slide rail of the split full-bore cava body 1, the first cleaning brush 48 and the third cleaning brush 51 will be driven to move, and then the first cleaning brush 48 and the third cleaning brush 51 will move along the surface of the slide rail of the split full-bore cava body 1. At this time, the first cleaning brush 48 and the third cleaning brush 51 will rotate, so as to facilitate the cleaning of the surface of the slide rail of the split full-bore cava body 1. The top surface of the mounting column 43 is provided with a flow hole 52, and the top surface of the movable frame 42 is fixedly mounted A storage box 53 is installed, and two lower oil holes 55 are provided on the bottom surface of the storage box 53, and a plurality of oil outlet holes 54 are provided on the bottom surface of the storage box 53. Two drainage holes 60 are provided on the top surface of the movable frame 42, and the drainage holes 60, the flow holes 52 and the lower oil holes 55 are connected. An oil inlet hole 58 is provided on the top surface of the sleeve column 49, and a plurality of oil drain holes 59 are provided on the outer circular wall surface of the sleeve column 49, and the oil inlet hole 58 is connected with the flow hole 52. An oil filling hole 56 is provided on the top surface of the storage box 53, and a sealing cover is movably connected to the inner circular wall surface of the oil filling hole 56. Through the storage box 53, by injecting lubricating oil into the interior of the storage box 53, the lubricating oil will flow out of the storage box 53 through the oil outlet hole 54 and drip on the surface of the slide rail of the split full-diameter cava body 1.Then, the lubricating oil in the storage box 53 will flow into the oil inlet hole 58 through the lower oil hole 55 and the drain hole 60, and then flow out of the oil inlet hole 58 through the plurality of drain holes 59, so that the first cleaning cylinder brush 48 can be soaked, which is convenient for lubricating the surface of the slide rail of the split full-diameter slip body 1, so that the split full-diameter slip body 1 can be stably separated.

[0048] Working principle: Please refer to Figure 1-Figure 16 As shown, by the provided stabilizing column 5, when the staff operates the pressure-bearing operation machine and operates the pipe string, the split full-bore cava body 1 is used to anchor the pipe string, and then the pipe string will pass through the middle of multiple stabilizing columns 5 and contact the surfaces of multiple stabilizing columns 5 after entering the interior of the stabilizing frame 2, and then the surface of the pipe string will rub against the surface of the stabilizing column 5 during the downward movement. At this time, the stabilizing column 5 will rotate due to the friction of the pipe string. At the same time, since the angles of the four center frames 4 and the stabilizing column 5 are tilted downward, and the four center frames 4 and the stabilizing column 5 move synchronously, the pipe string can be always in the middle of several stabilizing columns 5, and then cooperate with the rotation of the stabilizing column 5, so as to reduce the friction between the pipe string and the split full-bore cava body 1, prevent the split full-bore cava body 1 from scratching the surface of the pipe string due to hard contact between the split full-bore cava body 1 and the pipe string, and at the same time, prevent the pipe string from being not centered, resulting in the split full-bore cava body 1 being subjected to unilateral force and aggravating eccentric wear.

[0049] By means of the provided spur gear 13, the initial positions of the center frame 4 and the stabilizing column 5 are tilted downward, while the swing column 16 and the limiting block 17 are not engaged with the spur gear 13 inside the mounting hole 14. When the pipe column is placed between several stabilizing columns 5, the staff drives the limiting block 17 to move by the swing column 16, and then engages the limiting block 17 in the tooth groove of the spur gear 13, thereby limiting the rotation of the center frame 4 and preventing the center frame 4 and the stabilizing column 5 from being pressed toward one side when the pipe column is offset, causing the stabilizing column 5 on one side to be rotated under force, causing the pipe column to be eccentric to one side.

[0050] Through the provided operating column 27, the staff drives the second sprocket 28 and the third bearing 26 to rotate by rotating the operating column 27, and then the second sprocket 28 will drive the chain 29 to rotate during the rotation, and the chain 29 will drive the first sprocket 22 to rotate during the rotation. When the first sprocket 22 rotates, it will drive the support column 20 and the second bevel gear 21 to rotate, and then the second bevel gear 21 will mesh and drive the first bevel gear 19 to rotate, and then the rotation of the first bevel gear 19 will drive the swing column 16 and the limiting block 17 to rotate, so that the limiting block 17 can enter the tooth groove of the spur gear 13, or move the limiting block 17 out of the tooth groove of the spur gear 13, so as to facilitate the switch control to limit the center frame 4.

[0051] By setting the threaded column 37, when the split full-bore cava body 1 is separated and the pipe string is put in, the pipe string will shake in the middle of the split full-bore cava body 1, and the split full-bore cava body 1 needs to be merged before the pipe string can be clamped and anchored. At this time, the staff uses the stepper motor 36, and the rotation of the drive shaft of the stepper motor 36 will drive the threaded column 37 to rotate, thereby making the two stabilizing frames 2 move and drive the center frame 4 and the stabilizing column 5 to move, so that several stabilizing columns 5 can be close to the surface of the pipe string, so that the stabilizing column 5 can always limit the pipe string after the split full-bore cava body 1 is separated, so as to prevent the pipe string from shaking when it is placed in the split full-bore cava body 1.

[0052] By setting the scraper 44, when the split full-bore cava body 1 is separated, the split full-bore cava body 1 will move on the slide rail, and then the split full-bore cava body 1 will drive the fixed frame 41, the movable frame 42 and the scraper 44 to move. At this time, the movable frame 42 and the scraper 44 will move along the slide rail of the split full-bore cava body 1, so as to facilitate the cleaning of the oil stains on the slide rail of the split full-bore cava body 1, and prevent the solid particles in the drilling fluid, such as rock cuttings, sand particles and metal debris from invading the slide rail gap with the oil, or the slide rail of the split full-bore cava body 1 is contaminated with dust during operation, resulting in the accumulation of pollutants to form hard particles, which increases the friction of the slide rail and increases the opening and closing resistance of the split full-bore cava body 1, resulting in asynchronous movement.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A split full-bore slip for a belt pressure working machine, comprising: A split full-diameter slip body (1), wherein two stabilizing frames (2) are arranged inside the split full-diameter slip body (1), characterized in that a positioning assembly is arranged inside the stabilizing frames (2) and is used to position a pipe column, wherein the positioning assembly comprises: a plurality of mounting grooves (3), wherein the plurality of mounting grooves (3) are respectively arranged on both sides of the inside of the two stabilizing frames (2), wherein movable grooves (8) are respectively arranged on both sides of the inside of the mounting grooves (3), wherein a center frame (4) is arranged inside the mounting grooves (3), and rotating columns (6) are respectively fixedly installed on both sides of the center frame (4), The outer circumferential wall surface of the rotating column (6) is movably sleeved with a torsion spring (7), and the torsion spring (7) is movably sleeved with the movable groove (8). A stabilizing column (5) is arranged inside the central frame (4), and rotating columns (10) are fixedly mounted on both ends of the stabilizing column (5). Rotating holes (9) are respectively provided on both sides of the central frame (4), and a first bearing (57) is fixedly sleeved on the inner circumferential wall surface of the rotating hole (9). The rotating column (10) is fixedly sleeved with the inner circumferential wall surface of the inner ring of the first bearing (57), and a spiral resistance groove (11) is provided on the outer circumferential wall surface of the stabilizing column (5); Both sides of the stabilizing frame (2) are provided with locking direction components for limiting the central frame (4); A switch assembly for operating the locking of the center frame (4) is provided on one side of the stabilizing frame (2); The inner bottom surface of the split full-diameter slip body (1) is provided with a sliding assembly for moving the stabilizing frame (2); Anti-obstruction components for stably separating the split full-diameter slip body (1) are arranged on both sides of the stabilizing frame (2); The locking direction component comprises: a fixing groove (12), the fixing groove (12) being formed on the outer circumferential wall surface of the center frame (4), a spur gear (13) being fixedly sleeved on the inner circumferential wall surface of the fixing groove (12), mounting holes (14) being formed on both sides of the stabilizing frame (2), a fixing column (15) being fixedly mounted inside the mounting hole (14), a swing column (16) being movably sleeved on the outer circumferential wall surface of the fixing column (15), a limiting block (17) being fixedly mounted on one end of the swing column (16), and the limiting block (17) being movably engaged with the tooth groove of the spur gear (13); The switch assembly comprises: two fixed platforms (18), the two fixed platforms (18) are respectively fixedly mounted on one side of the two stabilizing frames (2), the outer circumferential wall surface of the fixed column (15) is movably sleeved with a first bevel gear (19), the first bevel gear (19) is fixedly mounted on the swing column (16), the top surface of the fixed platform (18) is provided with two support grooves (23), the inner circumferential wall surface of the support groove (23) is fixedly sleeved with a second bearing (24), the inner circumferential wall surface of the inner ring of the second bearing (24) is fixedly sleeved with a support column (20), the top surface of the support column (20) is fixedly mounted with a second bevel gear The first bevel gear (19) is meshed with the second bevel gear (21), the first sprocket (22) is fixedly sleeved on the outer circumferential wall surface of the support column (20), a center groove (25) is provided on the top surface of the fixed platform (18), a third bearing (26) is fixedly sleeved on the inner circumferential wall surface of the center groove (25), an operating column (27) is fixedly sleeved on the inner circumferential wall surface of the inner ring of the third bearing (26), two second sprockets (28) are fixedly sleeved on the outer circumferential wall surface of the operating column (27), and a chain (29) is meshedly connected to the outer circumferential wall surfaces of the second sprocket (28) and the first sprocket (22).

2. The split full-bore slip for a belt pressure working machine according to claim 1, characterized in that: A reserved groove (30) is provided on one side of the stabilizing frame (2), two positioning columns (31) are fixedly installed inside the reserved groove (30), a third sprocket (32) is movably sleeved on the outer circular wall surface of the positioning column (31), and the third sprocket (32) is meshingly connected to the chain (29).

3. The split full-bore slip for belt pressure working machine according to claim 1, characterized in that: The sliding assembly comprises: A plurality of fixing blocks (33) are fixedly mounted on the inner bottom surface of the split full-diameter cava body (1), and each two of the fixing blocks (33) form a group. A threaded column (37) is arranged between each group of the fixing blocks (33). A movable hole (34) is provided on one side of the fixing block (33), and the movable hole (34) is movably sleeved with the threaded column (37). Mounting frames (35) are fixedly mounted on both sides of the split full-diameter cava body (1), and a stepping motor (36) is fixedly mounted inside the mounting frame (35). The driving shaft of the stepping motor (36) is fixedly mounted with the threaded column (37). A threaded hole (38) is provided on one side of the stabilizing frame (2), and the threaded hole (38) is threadedly connected with the threaded column (37).

4. The split full-bore slip for a belt pressure working machine according to claim 1, characterized in that: A plurality of limit columns (40) are fixedly mounted on the inner bottom surface of the split full-diameter slip body (1), and two limit holes (39) are provided on one side of the stabilizing frame (2), wherein the limit holes (39) are slidably connected to the limit columns (40).

5. The split full-bore slip for belt pressure working machine according to claim 1, characterized in that: The anti-obstruction component comprises: A plurality of fixed frames (41), wherein the plurality of fixed frames (41) are respectively fixedly mounted on both sides of the split full-diameter cava body (1), a movable frame (42) is fixedly mounted on one side of the interior of the fixed frame (41), two mounting columns (43) are fixedly mounted on the bottom surface of the movable frame (42), and two scrapers (44) are respectively fixedly mounted on both sides of the interior of the movable frame (42).

6. The split full-bore slip for a belt pressure working machine according to claim 5, characterized in that: A rotating hole (45) is provided on one side of the mounting column (43); a positioning frame (46) is fixedly installed on one side of the mounting column (43); a sleeve column (49) is fixedly installed inside the rotating hole (45); a first cleaning brush (48) is movably sleeved on the outer circular wall surface of the sleeve column (49); a movable column (47) is fixedly installed inside the positioning frame (46); a second cleaning brush (61) is movably sleeved on the outer circular wall surface of the movable column (47); a positioning groove (50) is provided on one side of the mounting column (43); a third cleaning brush (51) is arranged between the two mounting columns (43); the third cleaning brush (51) is movably sleeved on the positioning groove (50).

7. The split full-diameter slip for a belt pressure working machine according to claim 6, characterized in that: The top surface of the mounting column (43) is provided with a flow hole (52); the top surface of the movable frame (42) is fixedly provided with a storage box (53); the bottom surface of the storage box (53) is provided with two lower oil holes (55); the bottom surface of the storage box (53) is provided with a plurality of oil outlet holes (54); the top surface of the movable frame (42) is provided with two drainage holes (60); the drainage holes (60), the flow hole (52) and the lower oil hole (55) are connected; the top surface of the sleeve column (49) is provided with an oil inlet hole (58); the outer circular wall surface of the sleeve column (49) is provided with a plurality of oil outlet holes (59); the oil inlet hole (58) is connected with the flow hole (52); the top surface of the storage box (53) is provided with an oil filling hole (56); the inner circular wall surface of the oil filling hole (56) is movably connected with a sealing cover.

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