CN211874379U - Positive action rope punching drilling tool - Google Patents
Positive action rope punching drilling tool Download PDFInfo
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- CN211874379U CN211874379U CN202020542665.6U CN202020542665U CN211874379U CN 211874379 U CN211874379 U CN 211874379U CN 202020542665 U CN202020542665 U CN 202020542665U CN 211874379 U CN211874379 U CN 211874379U
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Abstract
The utility model discloses a positive-acting rope punching drilling tool, which comprises an outer pipe assembly and an inner pipe assembly; the inner pipe assembly comprises a spearhead guiding mechanism, an elastic clip positioning mechanism, a disc spring pressing mechanism, an impact mechanism, a pressing and expanding sealing mechanism, a suspension vibration transmission device, a single-action mechanism, an easy-to-dismount mechanism and an inner pipe and outer pipe adjusting mechanism; the impact mechanism comprises a water collection joint, a valve casing, a movable valve, a piston rod, a punching hammer and a linkage joint, wherein a guide sleeve is arranged on the outer side of the linkage joint, a hammer spring is arranged at the front end of the guide sleeve, an impactor shell is arranged on the outer side of the punching hammer, a middle joint is arranged at the front end of the impactor shell, a valve spring is arranged on the outer side of the front end of the piston rod, a valve seat is arranged at the bottom end of the valve spring, and a gland is arranged at the bottom end of the valve seat. The utility model discloses a protruding formula loose valve reduces the liquid energy loss, increases the piston rod external diameter, has improved the hydraulic pressure area of action, has improved the percussion power, increases the non-seal section internal diameter of well joint, reduces the impact hammer motion resistance, reduces valve spring rigidity, improves impact hammer down speed.
Description
Technical Field
The utility model belongs to the technical field of the rope drilling tool technique and specifically relates to a positive action rope drilling tool is related to.
Background
With the continuous deepening of geological prospecting work, deep drilling projects are more and more, more than 1000 meters of drill holes are common in the last two years, and more than 2000 meters of drill holes are constructed. Deep hole core drilling faces a number of unprecedented problems, such as the possibility of drilling complex formations; poor stability of the hole wall caused by rock stratum stress; the coring rate of the complex stratum is reduced; the drill rod load is large; the tripping time is long; the probability of the stratum which is difficult to drill, such as the stratum with strong abrasiveness, the stratum with compact slip and the like is greatly increased; and so on. Aiming at deep prospecting, various drilling methods are used for breaking through different rock strata, and several technologies are very key and effective: (1) a rope coring technique; (2) hydraulic impact rotary drilling technology; (3) the bottom drilling method conversion technology without lifting the drill hole; (4) broad spectrum type long life drill bit and bit replacing technique without lifting drill bit. Although some of the above techniques are widely used in drilling at present, how to organically combine and sufficiently apply the above techniques to deep hole drilling still remains a problem, which puts higher demands on drilling equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positive rope drill tool, adopt protruding formula loose valve can the reducing mass, reduce the liquid energy loss, increase the piston rod external diameter, improved the hydraulic pressure area of action, improved the percussion power, increase the impact hammer apopore, reduce apopore and liquid stream axial contained angle, increase the non-seal section internal diameter of well joint, reduce impact hammer motion resistance, reduce valve spring rigidity, improve impact hammer down speed.
In order to achieve the purpose, the utility model provides a positive-acting rope punching drilling tool, which comprises an outer pipe assembly and an inner pipe assembly, wherein the inner pipe assembly is arranged inside the outer pipe assembly;
the outer pipe assembly sequentially comprises an upper spring blocking block, a spring blocking chamber connected with the upper spring blocking block, an upper reamer connected with the spring blocking chamber, an upper outer pipe connected with the upper reamer, a lower spring blocking block connected with the upper outer pipe, a sealing chamber connected with the lower spring blocking block, a sliding key sleeve connected with the sealing chamber, a sliding key shaft connected with the sliding key sleeve, an outer pipe joint connected with the sliding key shaft and an outer pipe connected with the outer pipe joint from top to bottom, the lower end of the outer pipe is connected with a lower reamer, and the lower end of the lower reamer is connected with a drill bit;
the inner pipe assembly comprises a spearhead guiding mechanism, an elastic clip positioning mechanism connected with the spearhead guiding mechanism, a disc spring pressing mechanism connected with the elastic clip positioning mechanism, an impact mechanism connected with the disc spring pressing mechanism, a pressure expansion sealing mechanism connected with the impact mechanism, a suspension shock transfer device connected with the pressure expansion sealing mechanism, a single-action mechanism connected with the suspension shock transfer device, an easy-to-dismount mechanism connected with the single-action mechanism and an inner and outer pipe adjusting mechanism connected with the easy-to-dismount mechanism;
the impact mechanism comprises a catchment joint, a valve shell arranged at the bottom end of the catchment joint for connection, a movable valve arranged in the valve shell, a piston rod connected with the bottom end of the movable valve, a hammer connected with the end part of the piston rod and a linkage joint connected with the bottom end of the hammer, wherein a guide sleeve is arranged outside the linkage joint, a hammer spring is arranged at the front end of the guide sleeve, a hammer spring pre-pressing pad is arranged at the front end of the hammer spring, an impactor shell is arranged outside the hammer, a middle joint is arranged at the front end of the impactor shell, a valve spring is arranged outside the front end of the piston rod, a valve seat is arranged at the bottom end of the valve spring, and a gland is arranged at the bottom end of the valve seat;
the pressure expansion sealing mechanism comprises a sliding sleeve arranged on the outer side of the linkage joint and a key connected with the bottom end of the sliding sleeve, a stroke pad is arranged on the outer side of the key, and a pressure expansion adjusting pad is arranged at the bottom of the stroke pad.
Preferably, the spearhead guide mechanism comprises a fishing spearhead, a spearhead shaft connected with the fishing spearhead and a pull sleeve connected with the spearhead shaft, and a pull sleeve spring is arranged on the outer side of the pull sleeve.
Preferably, the elastic clip positioning mechanism comprises a recovery pipe fixed on the outer side of the draw sleeve spring, an elastic clip frame fixed inside the recovery pipe, a tension spring arranged below the elastic clip frame and elastic clip pliers connected with the tension spring, the elastic clip pliers are fixed on the inner wall of the elastic clip chamber, and the elastic clip frame is fixed at the bottom end of the draw sleeve.
Preferably, the disc spring pressing mechanism comprises a pressing shaft fixed below the tension spring, a pressing shaft spring fixed at the bottom end of the pressing shaft, a pressing disc spring fixed at the bottom end of the pressing shaft spring and a pressing spare nut fixed at the bottom end of the pressing disc spring, the lower end of the pressing spare nut is connected with the water collection connector, a disc spring pad is arranged between the pressing spare nut and the pressing disc spring, and a shaft sleeve is arranged outside the pressing shaft. Preferably, the suspension vibration transmission device comprises a vibration transmission joint fixed at the bottom end of the linkage joint and a vibration transmission ring connected with the vibration transmission joint.
Preferably, the single-action mechanism comprises a single-action shaft fixed on the outer side of the bottom end of the shock transmission joint, an upper bearing connected with the single-action shaft, a single-action joint connected with the upper bearing and a lower bearing connected with the single-action joint, a buffer spring is arranged between the lower bearing and the single-action joint, a bearing sleeve is arranged on the outer side of the lower bearing, and a lower compression spring is arranged on the outer side of the bearing sleeve.
Preferably, the easy-to-detach mechanism comprises an upper section of an easy-to-detach connector connected with the bearing sleeve, an anti-release sleeve connected with the upper section of the easy-to-detach connector, and a lower section of the easy-to-detach connector arranged in the anti-release sleeve.
Preferably, the inner and outer pipe adjusting mechanism comprises a steel ball arranged at the bottom of the lower section of the easily-detachable joint, an inner pipe joint connected with the steel ball and an inner pipe arranged outside the inner pipe joint, a clamp spring seat is arranged at the bottom end of the inner pipe, a clamp spring is arranged on the clamp spring seat, and an adjusting nut is arranged outside the inner pipe joint.
Therefore, the utility model adopts the above structure positive-acting rope drill tool adopts protruding formula loose valve can the reducing mass, reduces the liquid energy loss, increases the piston rod external diameter, has improved the hydraulic pressure area of action, has improved the percussion power, increases the impact hammer apopore, reduces apopore and liquid stream axial contained angle, increases the non-seal section internal diameter of well joint, reduces impact hammer motion resistance, reduces valve spring rigidity, improves impact hammer down speed.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the upper half of an embodiment of a positive-acting wire-impact drilling tool according to the present invention;
FIG. 2 is a schematic view of the lower half of an embodiment of a positive-acting wire-impact drilling tool according to the present invention;
FIG. 3 is a schematic view of the suspension state of an embodiment of the positive-acting wire-impact drilling tool of the present invention;
FIG. 4 is a schematic view of the start-up state of an embodiment of the positive action wire-line impact drilling tool of the present invention;
FIG. 5 is a schematic view of the stroke state of an embodiment of the positive action wire-impact drilling tool of the present invention;
fig. 6 is a schematic view of the impact state of an embodiment of the positive-acting wire-impact drilling tool of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Examples
Fig. 1 is a schematic view of the upper half structure of an embodiment of a positive rope impact drilling tool of the present invention, and fig. 2 is a schematic view of the lower half structure of an embodiment of a positive rope impact drilling tool of the present invention, as shown in the drawings, the present invention provides a positive rope impact drilling tool, which comprises an outer pipe assembly and an inner pipe assembly, wherein the inner pipe assembly is arranged inside the outer pipe assembly; the outer pipe assembly sequentially comprises an upper spring blocking plate 1, a spring blocking chamber 2 connected with the upper spring blocking plate 1, an upper reamer 3 connected with the spring blocking chamber 2, an upper outer pipe 4 connected with the upper reamer 3, a lower spring blocking plate 5 connected with the upper outer pipe 4, a sealing chamber 6 connected with the lower spring blocking plate 5, a sliding key sleeve 7 connected with the sealing chamber 6, a sliding key shaft 8 connected with the sliding key sleeve 7, an outer pipe joint 9 connected with the sliding key shaft 8 and an outer pipe 10 connected with the outer pipe joint 9 from top to bottom, the lower end of the outer pipe 10 is connected with a lower reamer 11, and the lower end of the lower reamer 11 is connected with a drill bit 12.
The inner pipe assembly comprises a spearhead guiding mechanism, an elastic card positioning mechanism connected with the spearhead guiding mechanism, a disc spring pressing mechanism connected with the elastic card positioning mechanism, an impact mechanism connected with the disc spring pressing mechanism, a pressure expansion sealing mechanism connected with the impact mechanism, a suspension shock transfer device connected with the pressure expansion sealing mechanism, a single-action mechanism connected with the suspension shock transfer device, an easy-to-dismount mechanism connected with the single-action mechanism and an inner and outer pipe adjusting mechanism connected with the easy-to-dismount mechanism; the spearhead guide mechanism comprises a fishing spearhead 13, a spearhead shaft 14 connected with the fishing spearhead 13 and a pull sleeve 15 connected with the spearhead shaft 14, and a pull sleeve spring 16 is arranged on the outer side of the pull sleeve 15. The elastic clip positioning mechanism comprises a recovery pipe 17 fixed on the outer side of a pull sleeve spring 16, an elastic clip frame 18 fixed in the recovery pipe 17, a tension spring 19 arranged below the elastic clip frame 18 and an elastic clip clamp 20 connected with the tension spring 19, wherein the elastic clip clamp 20 is fixed on the inner wall of the elastic clip chamber 2, and the elastic clip frame 18 is fixed at the bottom end of the pull sleeve 15. The dish spring hold-down mechanism is including fixing at the axle 21 of prepressing of expanding spring 19 below, fixing at the axle spring 22 of prepressing of 21 bottom ends of prepressing, fixing at the dish spring 23 of prepressing 22 bottom ends of axle spring and fixing at the dish spring 23 bottom of prepressing and be equipped with female 24, prepressing is equipped with female 24's lower extreme and is connected with water collection joint 27, prepressing is equipped with between female 24 and the dish spring 23 of prepressing and is provided with dish spring pad 25, the outside of axle 21 of prepressing is provided with axle sleeve 26.
The impact mechanism comprises a water collection joint 27, a valve casing 28 arranged at the bottom end of the water collection joint 27 for connection, a movable valve 29 arranged in the valve casing 28, a piston rod 30 connected with the bottom end of the movable valve 29, a ram 31 connected with the end part of the piston rod 30 and a linkage joint 32 connected with the bottom end of the ram 31, wherein a guide sleeve 33 is arranged outside the linkage joint 32, a hammer spring 34 is arranged at the front end of the guide sleeve 33, a hammer spring pre-pressing pad 35 is arranged at the front end of the hammer spring 34, an impactor shell 36 is arranged outside the ram 31, a middle joint 37 is arranged at the front end of the impactor shell 36, a valve spring 38 is arranged outside the front end of the piston rod 30, a valve seat 39 is arranged at the bottom end of the valve spring 38, and a gland 40 is arranged at the; the pressure expansion sealing mechanism comprises a sliding sleeve 41 arranged on the outer side of the linkage joint 32 and a key 42 connected with the bottom end of the sliding sleeve 41, a stroke pad 43 is arranged on the outer side of the key 42, and a pressure expansion adjusting pad 44 is arranged at the bottom of the stroke pad 43. The suspension seismic transfer device includes a seismic transfer sub 45 fixed to the bottom end of the linkage sub 32 and a seismic transfer ring 46 connected to the seismic transfer sub 45. The single-action mechanism comprises a single-action shaft 47 fixed on the outer side of the bottom end of the shock transmission joint 45, an upper bearing 48 connected with the single-action shaft 47, a single-action joint 49 connected with the upper bearing 48 and a lower bearing 50 connected with the single-action joint 49, a buffer spring 51 is arranged between the lower bearing 50 and the single-action joint 49, a bearing sleeve 52 is arranged on the outer side of the lower bearing 50, and a lower compression spring 53 is arranged on the outer side of the bearing sleeve 52. The easy-to-detach mechanism comprises an upper easy-to-detach joint section 54 connected with the bearing sleeve 52, an anti-drop sleeve 55 connected with the upper easy-to-detach joint section 54, and a lower easy-to-detach joint section 56 arranged inside the anti-drop sleeve 55. The inner and outer pipe adjusting mechanism comprises a steel ball 57 arranged at the bottom of the lower section 56 of the detachable joint, an inner pipe joint 58 connected with the steel ball 57 and an inner pipe 59 arranged outside the inner pipe joint 58, a clamp spring seat 60 is arranged at the bottom end of the inner pipe 59, a clamp spring 61 is arranged on the clamp spring seat 60, and an adjusting nut 62 is arranged outside the inner pipe joint 58.
Fig. 3 is the suspension state schematic diagram of positive rope impact drilling tool embodiment, fig. 4 is the utility model relates to a starting state schematic diagram of positive rope impact drilling tool embodiment, fig. 5 is the utility model relates to a stroke state schematic diagram of positive rope impact drilling tool embodiment, fig. 6 is the utility model relates to an impact state schematic diagram of positive rope impact drilling tool embodiment. As shown in the figure, after the sliding key sleeve and the outer pipe joint are closed, the pressure expansion rubber ring is compressed, the external water path is closed, flushing liquid enters the water collection joint, and the impactor starts to work. When the drilling tool is in a suspension state in the descending process, flushing liquid passes through a gap between the inner pipe assembly and the outer pipe and is not lifted through pumping pressure, and the impactor does not work. After the drilling tool descends to the bottom of the hole, under the action of dead weight and bit pressure, a sliding gap between the sliding key sleeve and the outer pipe joint is tightly closed, the sliding sleeve and the shock transmission joint are tightly pressed, and the pressure expansion rubber ring expands to be called as a starting state (the state is more stable by adding bit pressure): because the external water path of the impactor is cut off, under the action of the pre-pressure of the hammer spring, the upper end surface of the hammer piston and the lower end surface of the valve are still in a compressed state, the liquid flow loop is closed, the hydraulic pressure in the valve area can be instantly increased to generate water hammer, and the valve and the hammer piston compress the valve spring and the hammer spring to accelerate to move downwards (stroke) under the action of water hammer pressure. After starting, the lower step in the descending process of the movable valve firstly impacts the upper end of the limiting seat to stop descending; and the impact hammer piston continues to move downwards due to inertia to impact the linkage joint to do work at a bottom dead center. When the movable valve impacts the valve seat, the movable valve is separated from the impact hammer piston, the water path is opened instantly, the hydraulic pressure of the valve area is reduced, the movable valve moves upwards under the action of the tension of a valve spring and the rebound force of the valve seat, and a valve neck enters the center of a flow blocking ring by 1-2mm and enters a flow blocking pressurization liquid energy storage state; after the impact of the piston of the impact hammer works, the piston quickly moves upwards (returns) under the action of the rebound force of the linkage joint and the tension of the hammer spring, and finally the upper end surface of the piston is tightly squeezed with the bottom surface of the movable valve to generate secondary water hammer, so that continuous impact is performed repeatedly and continuously.
Therefore, the utility model adopts the above structure positive-acting rope drill tool adopts protruding formula loose valve can the reducing mass, reduces the liquid energy loss, increases the piston rod external diameter, has improved the hydraulic pressure area of action, has improved the percussion power, increases the impact hammer apopore, reduces apopore and liquid stream axial contained angle, increases the non-seal section internal diameter of well joint, reduces impact hammer motion resistance, reduces valve spring rigidity, improves impact hammer down speed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. A positive-acting wire-impact drilling tool is characterized in that:
the device comprises an outer pipe assembly and an inner pipe assembly, wherein the inner pipe assembly is arranged inside the outer pipe assembly;
the outer pipe assembly sequentially comprises an upper spring blocking block, a spring blocking chamber connected with the upper spring blocking block, an upper reamer connected with the spring blocking chamber, an upper outer pipe connected with the upper reamer, a lower spring blocking block connected with the upper outer pipe, a sealing chamber connected with the lower spring blocking block, a sliding key sleeve connected with the sealing chamber, a sliding key shaft connected with the sliding key sleeve, an outer pipe joint connected with the sliding key shaft and an outer pipe connected with the outer pipe joint from top to bottom, the lower end of the outer pipe is connected with a lower reamer, and the lower end of the lower reamer is connected with a drill bit;
the inner pipe assembly comprises a spearhead guiding mechanism, an elastic clip positioning mechanism connected with the spearhead guiding mechanism, a disc spring pressing mechanism connected with the elastic clip positioning mechanism, an impact mechanism connected with the disc spring pressing mechanism, a pressure expansion sealing mechanism connected with the impact mechanism, a suspension shock transfer device connected with the pressure expansion sealing mechanism, a single-action mechanism connected with the suspension shock transfer device, an easy-to-dismount mechanism connected with the single-action mechanism and an inner and outer pipe adjusting mechanism connected with the easy-to-dismount mechanism;
the impact mechanism comprises a catchment joint, a valve shell arranged at the bottom end of the catchment joint for connection, a movable valve arranged in the valve shell, a piston rod connected with the bottom end of the movable valve, a hammer connected with the end part of the piston rod and a linkage joint connected with the bottom end of the hammer, wherein a guide sleeve is arranged outside the linkage joint, a hammer spring is arranged at the front end of the guide sleeve, a hammer spring pre-pressing pad is arranged at the front end of the hammer spring, an impactor shell is arranged outside the hammer, a middle joint is arranged at the front end of the impactor shell, a valve spring is arranged outside the front end of the piston rod, a valve seat is arranged at the bottom end of the valve spring, and a gland is arranged at the bottom end of the valve seat;
the pressure expansion sealing mechanism comprises a sliding sleeve arranged on the outer side of the linkage joint and a key connected with the bottom end of the sliding sleeve, a stroke pad is arranged on the outer side of the key, and a pressure expansion adjusting pad is arranged at the bottom of the stroke pad.
2. A positive-acting wireline punch as claimed in claim 1, wherein: the spearhead guiding mechanism comprises a fishing spearhead, a spearhead shaft connected with the fishing spearhead and a pull sleeve connected with the spearhead shaft, and a pull sleeve spring is arranged on the outer side of the pull sleeve.
3. A positive-acting wireline punch as claimed in claim 2, wherein: the elastic clamp positioning mechanism comprises a recovery pipe fixed on the outer side of the pull sleeve spring, an elastic clamp frame fixed inside the recovery pipe, a tension spring arranged below the elastic clamp frame and elastic clamp pliers connected with the tension spring, the elastic clamp pliers are fixed on the inner wall of the elastic clamp chamber, and the elastic clamp frame is fixed at the bottom end of the pull sleeve.
4. A positive-acting wireline punch as claimed in claim 3, wherein: dish spring hold-down mechanism is including fixing the prepressing shaft of tension spring below, fixing the prepressing shaft spring of prepressing shaft bottom, fixing the prepressing dish spring of prepressing shaft spring bottom with fix the prepressing of prepressing dish spring bottom is equipped with female, the prepressing is equipped with female lower extreme with the water collection articulate, the prepressing be equipped with female with be provided with the dish spring pad between the prepressing dish spring, the outside of prepressing shaft is provided with the axle sleeve.
5. The positive-acting wireline punch tool of claim 4, wherein: the suspension vibration transmission device comprises a vibration transmission joint fixed at the bottom end of the linkage joint and a vibration transmission ring connected with the vibration transmission joint.
6. The positive-acting wireline punch tool of claim 5, wherein: the single-action mechanism comprises a single-action shaft fixed on the outer side of the bottom end of the shock transmission connector, an upper bearing connected with the single-action shaft, a single-action connector connected with the upper bearing and a lower bearing connected with the single-action connector, a buffer spring is arranged between the lower bearing and the single-action connector, a bearing sleeve is arranged on the outer side of the lower bearing, and a lower compression spring is arranged on the outer side of the bearing sleeve.
7. The positive-acting wireline punch tool of claim 6, wherein: the easy-to-detach mechanism comprises an easy-to-detach joint upper section connected with the bearing sleeve, an anti-detachment sleeve connected with the easy-to-detach joint upper section, and an easy-to-detach joint lower section arranged in the anti-detachment sleeve.
8. The positive action wire-line drill according to claim 7, wherein: the inner pipe and outer pipe adjusting mechanism comprises a steel ball arranged at the bottom of the lower section of the easily-detachable joint, an inner pipe joint connected with the steel ball and an inner pipe arranged outside the inner pipe joint, a clamp spring seat is arranged at the bottom end of the inner pipe, a clamp spring is arranged on the clamp spring seat, and an adjusting nut is arranged outside the inner pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020542665.6U CN211874379U (en) | 2020-04-13 | 2020-04-13 | Positive action rope punching drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020542665.6U CN211874379U (en) | 2020-04-13 | 2020-04-13 | Positive action rope punching drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874379U true CN211874379U (en) | 2020-11-06 |
Family
ID=73250529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020542665.6U Expired - Fee Related CN211874379U (en) | 2020-04-13 | 2020-04-13 | Positive action rope punching drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211874379U (en) |
-
2020
- 2020-04-13 CN CN202020542665.6U patent/CN211874379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |