Drilling tool clamping center treatment impactor device based on centralizing guiding-dynamic locking integration
The drill string jamming impactor, which integrates centering guidance and dynamic locking, solves the problem of core or rock debris getting stuck in wireline coring rigs. It enables drill string jamming without rope lowering, improving drilling efficiency and safety and reducing engineering accidents.
Patent Information
- Application Number
- CN202520789518.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-24
AI Technical Summary
During the core extraction process, core may fall and jam the drill rod or rocks may jam the drill bit, preventing the drill from continuing. Current technology requires all drill rods to be lifted and cleaned, which increases time and intensity and is prone to hole shrinkage and collapse accidents.
The drill string stuck object removal impactor is designed with integrated centering and guidance-dynamic locking, including a retrieval mechanism, a dynamic locking mechanism, and a centering and guidance mechanism. It achieves ropeless lowering through components such as a retrieval spearhead, a hanger, and an impact cone. Relying on its own guidance and locking functions, it positions and locks itself at the bottom of the drill pipe to knock out the stuck object.
It achieves the elimination of the need for rope lowering, with the drill string core-removing impactor falling parallel to the drill pipe, applicable to drilling at various angles and depths, preventing detachment, resuming drilling, reducing engineering accidents, simple operation, low cost, and easy to promote.
Smart Images
Figure CN223908179U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to geological exploration technical field, concretely relates to the drilling tool heart processing impactor device based on the righting guide-dynamic locking integration. The core tube is stuck in the drill pipe in the core tube extraction process of the wireline coring drilling machine, the core tube cannot fall into place, or the drill bit is stuck in the rock in the drilling of the wireline coring drilling machine, all can lead to the drilling machine cannot continue to drill. The righting guide-dynamic locking integrated drilling tool heart processing impactor designed by the utility model does not need to be lowered by the wire rope, relies on the righting guide and dynamic locking function, keeps parallel with the drill pipe and falls into the bottom drill pipe, and is automatically positioned and locked, and the core stuck in the drill pipe or the rock stuck in the drill bit is knocked out. The righting guide-dynamic locking integrated drilling tool heart processing impactor designed by the utility model is applicable to drilling of all angles and depths, and can be repeatedly put and recovered. BACKGROUND
[0002] Wireline coring technology is a kind of efficient geological drilling method, and the core feature lies in that underground core is obtained without lifting the drill, which greatly improves the drilling efficiency and core quality. The emergence of the technology is due to the limitation of traditional drilling method, and it is continuously developed along with the change of drilling demand and the progress of material technology. The wireline coring technology completes coring by rapidly putting and recovering the core tube through the steel wire rope, and the coring does not need to lift the drill, which increases the pure drilling time and reduces the equipment loss caused by friction of the drill pipe and drill bit. In the wireline coring operation, the core tube does not rotate with the outer tube, which avoids the core breakage or stratification caused by the rotation of the core tube, improves the core recovery rate, and ensures the core quality. The wireline coring technology is a major breakthrough in the field of geological exploration, and along with the progress of intelligence and material science, its advantage in the deep drilling field such as coalfield exploration, metal ore layer exploration, civil engineering geological exploration and hydrological observation exploration will be more significant.
[0003] At present, the core tube extraction process of the wireline coring drilling machine, the core tube cannot fall into place, or the drill bit is stuck in the rock in the drilling of the wireline coring drilling machine, all can lead to the drilling machine cannot continue to drill. In the prior art, the method of lifting the drill pipe is usually adopted, which not only increases the time and intensity of work, but also easily causes the occurrence of engineering accidents such as shrinkage and hole collapse. UTILITY MODEL CONTENTS
[0004] In view of the problems in the prior art, the utility model provides a drilling tool heart processing impactor device based on righting guide-dynamic locking integration.
[0005] To solve the above technical problems, the utility model provides technical scheme as follows: Drilling tool core processing impactor device based on righting guide-dynamic locking integration, including fishing mechanism, dynamic locking mechanism, righting guide mechanism and impact mechanism, the fishing mechanism top end sets up spearhead, spearhead bottom sets up spearhead seat, spearhead and spearhead seat are connected through coiling elastic pin, spearhead below sets up positioning pin, positioning pin is in positioning spring, spearhead seat bottom sets up positioning spring hole, positioning spring is in positioning spring hole, dynamic locking mechanism upper portion sets up hanger, hanger outside sets up three rows of half ball, hanger bottom sets up shock pad, hanger and shock pad fall to bottom drill pipe and lock on seat ring, righting guide mechanism sets up two righting guides, righting guide outside sets up three rows of half ball, impact mechanism upper portion sets up impact lever, impact mechanism bottom sets up impact cone.
[0006] As a preferred scheme of the drilling tool core processing impactor device based on righting guide-dynamic locking integration, wherein: the spearhead is composed of a conical spearhead, a cylindrical rod, a circular truncated cone, a cylinder and a cuboid from top to bottom, the diameter of the bottom of the conical spearhead is greater than the diameter of the cylindrical rod, the spearhead has a pin hole in the cuboid, the diameter of the pin hole is equal to the diameter of the coiled elastic pin, and the coiled elastic pin is wedged in the pin hole.
[0007] As a preferred scheme of the drilling tool core processing impactor device based on righting guide-dynamic locking integration, wherein: the spearhead seat is a cylinder, the upper part of the spearhead seat is a concave body, the lower part of the concave body of the spearhead seat is provided with a positioning spring hole, the diameter of the positioning spring hole is greater than the diameter of the positioning spring, and the spearhead seat and the lower rod are integrally cast.
[0008] As a preferred scheme of the drilling tool core processing impactor device based on righting guide-dynamic locking integration, wherein: the spearhead has a space between the bottom end of the cylindrical body and the top end of the spearhead seat, the spearhead is rotated by 180 degrees along the concave body through the coiled elastic pin, the cap of the positioning pin is rectangular, the long side of the cap is parallel to the rotation direction of the spearhead, the long side of the cap is larger than the diameter of the positioning spring, the length of the positioning pin bolt is less than the length of the positioning spring, the bottom end of the spearhead is tightly pressed against the upper surface of the positioning pin when the spearhead is installed, and the positioning spring is in the force contraction stage when the spearhead is installed.
[0009] As a preferred scheme of the drilling tool core processing impactor device based on righting guide-dynamic locking integration, wherein: the hanger is a cylinder, the hanger is symmetrically provided with six hollow cylinders, the hanger is provided with three rows of half balls on the outer surface, and the hanger, the half balls, the upper rod and the lower rod are integrally cast.
[0010] As a preferred scheme of the drill tool heart processing impactor device based on the righting guide-dynamic locking integration, the shock pad is in the form of a sheet, six hollow sheet bodies are symmetrically arranged in the shock pad, the six hollow sheet bodies symmetrically arranged in the shock pad and the six hollow cylinders symmetrically arranged in the hanger have the same diameter and orientation, the six hollow sheet bodies symmetrically arranged in the shock pad and the six hollow cylinders symmetrically arranged in the hanger are placed in a superimposed manner, the shock pad and the hanger have the same diameter, the diameter of the shock pad and the hanger is greater than the inner diameter of the seat ring, the distance between the outer surfaces of the two hemispherical beads on the two sides of the shock pad and the hanger is less than the inner diameter of the drill pipe, and the shock pad is made of rubber.
[0011] As a preferred scheme of the drill tool heart processing impactor device based on the righting guide-dynamic locking integration, the seat ring is located on the upper portion of the bottom drill pipe, the outer diameter of the seat ring is less than the inner diameter of the upper portion of the bottom drill pipe, the outer diameter of the seat ring is greater than the inner diameter of the lower portion of the bottom drill pipe, and the seat ring is a thin-walled ring.
[0012] As a preferred scheme of the drill tool heart processing impactor device based on the righting guide-dynamic locking integration, the first group of righting guides of the righting guide mechanism is integrally cast with the upper and lower rod members, the second group of righting guides of the righting guide mechanism is integrally cast with the upper rod member and the lower impact rod, the upper portion of the righting guide is in the form of a cylinder, the lower portion of the righting guide is in the form of an inverted circular table, three rows of hemispherical beads are arranged on the outer surface of the cylinder of the righting guide, the cylinder, the hemispherical beads and the inverted circular table of the righting guide are integrally cast, six hollow cylinders are symmetrically arranged in the righting guide, the six hollow cylinders symmetrically arranged in the righting guide penetrate through the upper cylinder and the lower inverted circular table, the distance between the outer surfaces of the two hemispherical beads on the two sides of the righting guide is less than the distance between the outer surfaces of the two hemispherical beads on the two sides of the hanger, and the distance between the outer surfaces of the two hemispherical beads on the two sides of the righting guide is less than the inner diameter of the seat ring.
[0013] As a preferred scheme of the drill tool heart processing impactor device based on the righting guide-dynamic locking integration, the impact rod is in the form of a smooth cylinder, the impact cone is in the form of a smooth cone, and the impact rod and the impact cone are integrally cast.
[0014] As a preferred scheme of the drill tool heart processing impactor device based on the righting guide-dynamic locking integration, the total length from the bottom of the shock pad to the bottom of the impact cone is greater than the total length from the top of the seat ring to the bottom of the drill bit, and when the hanger is locked in the seat ring, the impact cone is completely located outside the drill bit.
[0015] The beneficial effects produced by the technical scheme are as follows: the drill tool core processing impactor with the integrated righting and guiding-dynamic locking function is freely dropped from the well mouth, does not need to be lowered by a rope, relies on the righting and guiding function to keep parallel dropping with the drill pipe, is suitable for impact drilling of various angles and various depths, and cancels the rope constraint, thereby greatly improving the impact effect; when the drill tool core processing impactor with the integrated righting and guiding-dynamic locking function is dropped to the bottom drill pipe, the dynamic locking function is used to lock on the bottom drill pipe seat ring, the drill tool core processing impactor with the integrated righting and guiding-dynamic locking function is prevented from falling off from the drill bit, and repeated lowering and recycling are realized; the drill tool core processing impactor with the integrated righting and guiding-dynamic locking function knocks out the core falling into the drill pipe and the broken rock clamped into the drill bit, restores the drilling and coring of the drilling machine, and reduces the occurrence of engineering accidents such as shrinkage and hole collapse caused by lifting the drill. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.
[0017] Figure 1 It is a front projection schematic view of the drill tool core processing impactor with the integrated righting and guiding-dynamic locking function in the present application.
[0018] Figure 2 It is a side projection schematic view of the drill tool core processing impactor with the integrated righting and guiding-dynamic locking function in the present application.
[0019] Figure 3 It is an A large drawing in the present application.
[0020] Figure 4 It is a B large drawing in the present application.
[0021] Figure 5 It is a C large drawing in the present application.
[0022] Figure 6 It is a top view of the hanger in the present application.
[0023] Figure 7 It is a top view of the shock pad in the present application.
[0024] Figure 8 It is a top view of the righting and guiding device in the present application.
[0025] Figure 9 is a plan view of the impact rod in the utility model;
[0026] Figure 10 is a plan view of the positioning pin in the utility model;
[0027] Figure 11 is a plan view of the seat ring in the utility model;
[0028] Figure 12 is a front projection outline drawing of the hanger in the utility model;
[0029] Figure 13 is a front projection outline drawing of the righting guider in the utility model;
[0030] Figure 14 is a front projection schematic view of a preferable embodiment of the impactor for processing the core catcher provided by the utility model.
[0031] In the drawing: 1, fishing mechanism; 2, dynamic locking mechanism; 3, righting guiding mechanism; 4, impact mechanism; 5, spear head; 6, spear head seat; 7, pin hole; 8, coiled elastic pin; 9, positioning pin; 10, positioning spring; 11, positioning spring hole; 12, hanger; 13, hemispherical bead; 14, shock pad; 15, righting guider; 16, impact rod; 17, impact cone; 18, seat ring; 19, bottom drill pipe; 20, drill bit. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.
[0033] It should be noted that unless otherwise explicitly specified and limited, the term "core catcher" should be understood broadly, for example, it can be a core that is caught and dropped, or it can be a broken stone that is caught. For the person skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.
[0034] The utility model will be further described below in combination with the drawings and embodiments.
[0035] Embodiment 1
[0036] The core falling and blocking the drill rod or the rock fragment blocking the drill bit in the process of the wire-line coring drilling machine extracting the core tube will cause the drilling machine to be unable to continue drilling.
[0037] The utility model discloses a drilling tool core blocking treatment impactor device based on righting guide-dynamic locking integration according to prior art problems, and details are as follows Figures 1-14 , including: fishing mechanism 1, dynamic locking mechanism 2, righting guide mechanism 3 and impact mechanism 4.The fishing mechanism 1 top end sets up spearhead 5, spearhead 5 bottom end sets up spearhead seat 6, spearhead 5 is connected with spearhead seat 6 through coiling elastic pin 8, spearhead 5 below sets up locating pin 9, locating pin 9 is in locating spring 10, spearhead seat 6 bottom end sets up locating spring hole 11, locating spring 10 is in locating spring hole 11;Dynamic locking mechanism 2 upper part sets up hanger 12, hanger 12 outer surface sets up three rows of half ball 13, hanger 12 bottom end sets up shock pad 14, hanger 12 and shock pad 14 fall to bottom drill rod 19 and are locked on seat ring 18;Righting guide mechanism 3 sets up two righting guides 15, and the outer surface of righting guide 15 is provided with three rows of half ball 13;Impact mechanism 4 upper part sets up impact rod 16, and impact mechanism 4 bottom sets up impact cone 17.
[0038] When the fallen core blocks the drill rod or the rock fragment blocks the drill bit 20, the drill rod is lifted by 0.5 m, and at this time, the bottom of the drill bit 20 is 0.5 m away from the bottom of the drill hole; when the core of the current footage slides off, the lifting height of the drill rod is greater than the current footage. The drilling tool core blocking treatment impactor based on righting guide-dynamic locking integration is placed on the ground, the spearhead 5 is bent at 45° with the ground, the fisher is slowly lowered to lock the spearhead 5, the fisher is lifted to put the drilling tool core blocking treatment impactor based on righting guide-dynamic locking integration into the drill rod, the fisher hook is opened to make the drilling tool core blocking treatment impactor based on righting guide-dynamic locking integration freely fall from the wellhead, the righting guide 15 keeps parallel falling with the drill rod, and when it falls to the bottom drill rod 19, the hanger 12 is locked on the seat ring 18 in the bottom drill rod. At this time, the impact cone 17 is completely located outside the drill bit 20, and the core blocking the drill rod or the rock fragment blocking the drill bit 20 is hit out of the drill bit 20. The fisher is lowered from the wellhead, the fisher hook catches the spearhead 5 to fish the neck, the drilling tool core blocking treatment impactor based on righting guide-dynamic locking integration is taken out of the drill rod, and one cycle of putting and recycling of the drilling tool core blocking treatment impactor based on righting guide-dynamic locking integration is completed. The drill rod is lowered to the bottom of the drill hole, the core tube is lowered, and the wire-line coring drilling machine resumes drilling and coring.
[0039] The working principle described above is as follows: The conical spearhead and cylindrical rod of the retrieval spearhead 5 form a retrieval neck, ensuring that the retrieval hook can smoothly grasp the retrieval spearhead 5; the frustum shape of the retrieval spearhead 5 reduces the impact force of the retrieval spearhead 5 on the rapidly falling retrieval hook; the space between the bottom of the cylindrical retrieval spearhead 5 and the top of the spearhead seat 6, and the concave shape of the top of the spearhead seat 6, allow for 180° rotation of the retrieval spearhead 5; the 180° rotation range of the retrieval spearhead 5 is designed to accommodate a longer straightening guide. - The dynamically locked integrated drill bit jamming impactor is smoothly lifted and lowered; the long side of the locating pin 9 is parallel to the rotation direction of the spearhead 5, ensuring that the bottom of the spearhead 5 always contacts the locating pin 9 to maintain the force point when rotating; the length of the locating spring 10 is greater than the bolt length of the locating pin 9, ensuring the up-and-down movement of the locating pin 9 when the spearhead 5 rotates; when the spearhead 5 is installed, the locating spring 10 is in the force-contracted stage, ensuring that the force-bearing spearhead 5 remains vertical or tilted. The suspension device 12 has symmetrically arranged 6 hollow cylinders, reducing mud resistance during the descent of the dynamically locked integrated drill bit jamming impactor and maintaining its stable descent; the suspension device 12 has three rows of hemispherical beads 13 on its outer surface, reducing the frictional resistance of the drill pipe inner wall to the dynamic locking integrated drill bit jamming impactor when drilling at an angle; the shock-absorbing pad 14 is set to reduce the impact force of the rapidly falling suspension device 12 on the seat ring 18. The guide valve 15 features symmetrical internal arrangement of six hollow cylinders and an inverted truncated cone to reduce mud resistance during the descent of the integrated guide-dynamic locking drill bit core jamming impactor and maintain its stable descent. The guide valve 15's exterior is adorned with three rows of hemispherical beads 13 to reduce frictional resistance between the drill pipe's inner wall and the impactor during inclined drilling. The impact rod 16 and impact cone 17 have smooth surfaces to reduce resistance from core or rock fragments. The spearhead seat 6 and impact cone 17 are integrally cast to reduce the failure rate of the integrated guide-dynamic locking drill bit core jamming impactor components and increase its service life. The total length from the bottom of the shock-absorbing pad 14 to the bottom of the impact cone 17 is greater than the total length from the top of the seat ring 18 to the bottom of the drill bit 20, ensuring that the impact cone 17 is completely outside the drill bit 20 to eject the core or rock fragments. It should be noted that, due to differences in the degree of formation fracturing, research objectives, and drilling costs, different engineering projects require core samples of different diameters. In this utility model, the length of the drill string core jamming impactor integrated with the straightening guide and dynamic locking mechanism, as well as the diameters of its hanger 12, shock absorber 14, and straightening guide 15, are determined by the drill rod length and the inner diameter of the drill rod and the inner diameter of the seat ring 18.
[0040] The above merely describes preferred embodiments of the present application, and is not intended to limit the patent scope of the present application, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, shall be included in the patent protection scope of the present application.
Claims
1. A drill string core jamming impactor device based on a straightening guidance-dynamic locking integrated system, characterized in that, include: A salvage mechanism (1) is provided with a salvage spearhead (5) at the top and a spearhead seat (6) at the bottom. The salvage spearhead (5) and the spearhead seat (6) are connected by a coiled elastic pin (8). A positioning pin (9) is provided below the salvage spearhead (5) and is placed in a positioning spring (10). A positioning spring hole (11) is provided at the bottom of the spearhead seat (6) and is placed in the positioning spring hole (11). A dynamic locking mechanism (2) is provided with a hanger (12) on the upper part of the dynamic locking mechanism (2). The hanger (12) has three rows of hemispherical beads (13) on its outer surface. The hanger (12) has a shock-absorbing pad (14) at its bottom end. When the hanger (12) and the shock-absorbing pad (14) fall to the bottom drill rod (19), they are locked on the seat ring (18). The straightening and guiding mechanism (3) is provided with two sets of straightening guides (15), and the straightening guides (15) are provided with three rows of hemispherical beads (13) on their outer surface; An impact mechanism (4) is provided with an impact rod (16) on its upper part and an impact cone (17) on its bottom.
2. The drill string core jamming impactor device based on the integrated centering guidance and dynamic locking as described in claim 1, characterized in that, The spearhead (5) is composed of a conical spearhead, a cylindrical rod, a frustum, a cylinder, and a cuboid from top to bottom. The bottom diameter of the conical spearhead (5) is larger than the diameter of the cylindrical rod. A pin hole (7) is provided in the cuboid of the spearhead (5). The diameter of the pin hole (7) is equal to the diameter of the rolled elastic pin (8). The rolled elastic pin (8) is wedged into the pin hole (7).
3. The drill string stuck core treatment impactor device based on the straightening guidance-dynamic locking integration according to claim 1, characterized in that, The spearhead seat (6) is a cylinder with a concave upper part. A positioning spring hole (11) is provided at the lower part of the concave body of the spearhead seat (6). The diameter of the positioning spring hole (11) is larger than the diameter of the positioning spring (10). The spearhead seat (6) is integrally cast with the lower rod.
4. The drill string stuck core treatment impactor device based on the straightening guidance-dynamic locking integration according to claim 1, characterized in that, The bottom of the cylindrical spearhead (5) and the top of the spearhead seat (6) are left with space. The spearhead (5) rotates within a 180° range along the concave body by means of a rolled elastic pin (8). The pin cap of the positioning pin (9) is rectangular. The long side of the pin cap of the positioning pin (9) is parallel to the rotation direction of the spearhead (5). The long side dimension of the pin cap of the positioning pin (9) is larger than the diameter of the positioning spring (10). The bolt length of the positioning pin (9) is smaller than the length of the positioning spring (10). When the spearhead (5) is installed, the bottom of the spearhead (5) is pressed tightly against the upper surface of the positioning pin (9). When the spearhead (5) is installed, the positioning spring (10) is in the contraction stage.
5. The drill string core jamming impactor device based on the integrated centering guidance and dynamic locking as described in claim 1, characterized in that, The hanger (12) is a cylinder. The hanger (12) has 6 hollow cylinders symmetrically arranged inside. The hanger (12) has three rows of hemispherical beads (13) arranged on its outer surface. The hanger (12), hemispherical beads (13), upper and lower rods are integrally cast.
6. The drill string stuck core treatment impactor device based on straightening guidance-dynamic locking integration according to claim 1, characterized in that, The shock-absorbing pad (14) is in the form of a thin sheet. The shock-absorbing pad (14) has 6 hollow thin sheets symmetrically arranged inside. The 6 hollow thin sheets symmetrically arranged inside the shock-absorbing pad (14) have the same diameter and orientation as the 6 hollow cylinders symmetrically arranged inside the hanger (12). The 6 hollow thin sheets symmetrically arranged inside the shock-absorbing pad (14) and the 6 hollow cylinders symmetrically arranged inside the hanger (12) are stacked together. The shock-absorbing pad (14) and the hanger (12) have the same diameter. The diameter of the shock-absorbing pad (14) and the hanger (12) is larger than the inner diameter of the seat ring (18). The distance between the diameter of the shock-absorbing pad (14) and the outer surface of the hemispherical beads on both sides of the hanger (12) is smaller than the inner diameter of the drill rod. The shock-absorbing pad (14) is made of rubber.
7. The drill string stuck core treatment impactor device based on the straightening guidance-dynamic locking integration according to claim 1, characterized in that, The seat ring (18) is located on the upper part of the bottom drill rod (19). The outer diameter of the seat ring (18) is smaller than the inner diameter of the upper part of the bottom drill rod (19), and the outer diameter of the seat ring (18) is larger than the inner diameter of the lower part of the bottom drill rod (19). The seat ring (18) is a thin-walled ring.
8. The drill string core jamming impactor device based on the integrated centering guidance and dynamic locking as described in claim 1, characterized in that, The first set of straightening guides (15) of the straightening guide mechanism (3) is integrally cast with the upper and lower rods. The second set of straightening guides (15) of the straightening guide mechanism (3) is integrally cast with the upper rod and the lower impact rod (16). The upper part of the straightening guide (15) is a cylinder, and the lower part of the straightening guide (15) is an inverted frustum. The outer surface of the cylinder of the straightening guide (15) is provided with three rows of hemispherical beads (13). 5) The cylinder, hemispherical bead (13) and inverted frustum are cast in one piece. The straightening guide (15) is symmetrically provided with 6 hollow cylinders. The straightening guide (15) is symmetrically provided with 6 hollow cylinders that penetrate the upper cylinder and the lower inverted frustum. The distance between the outer surfaces of the hemispherical beads on both sides of the straightening guide (15) is less than the distance between the outer surfaces of the hemispherical beads on both sides of the hanger (12). The distance between the outer surfaces of the hemispherical beads on both sides of the straightening guide (15) is less than the inner diameter of the seat ring (18).
9. The drill string core jamming impactor device based on the integrated centering guidance and dynamic locking as described in claim 1, characterized in that, The impact rod (16) is a smooth cylinder, and the impact cone (17) is a smooth cone. The impact rod (16) and the impact cone (17) are cast integrally.
10. The drill string core jamming impactor device based on the straightening guidance-dynamic locking integration according to claim 1, characterized in that, The total length from the bottom of the shock-absorbing pad (14) to the bottom of the impact cone (17) is greater than the total length from the top of the seat ring (18) to the bottom of the drill bit (20). When the hanger (12) is locked to the seat ring (18), the impact cone (17) is completely outside the drill bit (20).