CN112127824A - Continuous equipment of salvaging that connects of bridge engineering drill bit - Google Patents
Continuous equipment of salvaging that connects of bridge engineering drill bit Download PDFInfo
- Publication number
- CN112127824A CN112127824A CN202010952344.8A CN202010952344A CN112127824A CN 112127824 A CN112127824 A CN 112127824A CN 202010952344 A CN202010952344 A CN 202010952344A CN 112127824 A CN112127824 A CN 112127824A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- bottom end
- connecting sleeve
- movable
- connection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means
Abstract
The invention discloses continuous-connection fishing equipment for a bridge engineering drill bit, which comprises a connecting sleeve, a connecting rod and a clamping assembly, wherein the connecting rod is sleeved in the connecting sleeve and can move relative to the axis direction of the connecting sleeve; the bottom end of the connecting sleeve and the bottom end of the connecting rod are both connected with the clamping assembly; the clamping assembly comprises a supporting plate, at least two movable hanging pieces and a movable disc, wherein the movable disc is connected to the bottom end of the connecting rod, the movable hanging pieces are arc-rod-shaped, and the top ends of the movable hanging pieces are rotatably connected with the movable disc; the bottom end of the movable hanging piece is integrally formed with a hook; the supporting plate is fixedly connected to the bottom end of the connecting sleeve, the position of the supporting plate corresponds to the position of the first connecting lug, and the bottom end of the supporting plate is rotatably connected with the middle of the movable hanging piece. The salvaging equipment has simple structure and lower production cost, can meet the use requirement of bridge construction, and brings certain convenience to the bridge construction operation.
Description
Technical Field
The invention relates to the field of bridge engineering, in particular to continuous-connection fishing equipment for a bridge engineering drill bit.
Background
In the bridge construction engineering, often need carry out the drilling of the deep ground with the drill bit, drill bit work efficiency is high, intensity is big, but the condition that the drill bit fracture makes the drill bit drop in the deep layer sometimes appears, because the drill bit cost is higher, and can influence the engineering that follows and go on, consequently need to drag back the drill bit, need the high price to ask the manual work to salvage under the normal conditions, the staff wears protective clothing, bind the rope and just directly dive into the deep layer of mud and carry out the drill bit salvage, this kind of manual salvage need dive in the mud tens meters, the degree of danger is higher, it is necessary to study a drill bit salvage equipment and replaces the manual work and accomplish the drill bit salvage operation.
Disclosure of Invention
The invention aims to solve the problems and provides continuous connection and fishing equipment for a bridge engineering drill bit, which is simple in structure and convenient to use.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a continuous-connection salvaging device for a bridge engineering drill bit comprises a connecting sleeve, a connecting rod and a clamping assembly, wherein the connecting rod is sleeved in the connecting sleeve and can move relative to the axis direction of the connecting sleeve; the bottom end of the connecting sleeve and the bottom end of the connecting rod are both connected with the clamping assembly; the clamping assembly comprises a supporting plate, at least two movable hanging pieces and a movable disc, wherein the movable disc is connected to the bottom end of the connecting rod, the movable hanging pieces are arc-rod-shaped, and the top ends of the movable hanging pieces are rotatably connected with the movable disc; the bottom end of the movable hanging piece is integrally formed with a hook; the supporting plate is fixedly connected to the bottom end of the connecting sleeve, the position of the supporting plate corresponds to the position of the first connecting lug, and the bottom end of the supporting plate is rotatably connected with the middle of the movable hanging piece.
Furthermore, the movable disc is in a circular plate shape, at least two first connecting lugs are arranged on the outer side of the circumference of the movable disc, and first mounting holes are formed in the first connecting lugs and are connected with the movable hanging piece through the first mounting holes; the top end of the movable hanging piece is provided with a second mounting hole and is in pin shaft connection with the first mounting hole through the second mounting hole; and a third mounting hole is formed in the bottom end of the supporting plate and is in pin connection with a fourth mounting hole arranged in the middle of the movable hanging piece through the third mounting hole.
Furthermore, first engaging lug, backup pad, activity pendant all have four, and four first engaging lugs equidistant setting are in the circumference outside of activity dish, and four backup pads are equidistant setting along adapter sleeve's circumferencial direction, and four activity pendants are connected on corresponding first engaging lug, backup pad.
Furthermore, a connecting groove is formed in one side, close to the movable disc, of the hook, and a magnetic part is embedded in the connecting groove.
Furthermore, the top end of the connecting rod is higher than the top end of the connecting sleeve, a handheld rod is fixedly connected to the top end of the connecting rod, and the axis direction of the handheld rod is perpendicular to the axis direction of the connecting rod.
Furthermore, the inner side of the connecting sleeve is provided with an internal thread, and the outer side of the connecting rod is provided with an external thread corresponding to the internal thread; when the connecting rod is sleeved in the connecting sleeve, the connecting rod is in threaded connection with the connecting sleeve; when the connecting rod is rotated, the connecting rod moves relative to the axial direction of the connecting sleeve; the bottom end of the connecting rod is rotatably connected with the top end of the movable disc.
Furthermore, a locking nut is arranged between the handheld rod and the connecting sleeve and is sleeved outside the connecting rod and is in threaded connection with the connecting rod; when the lifting operation is carried out, the lower end face of the locking nut is contacted with the upper end face of the connecting sleeve.
Compared with the prior art, the invention has the advantages and positive effects that:
when the fishing operation is carried out, the connecting rod is controlled to move downwards relative to the connecting sleeve, the connecting rod drives the movable disc to move downwards, so that the movable hanging piece rotates around the bottom end of the supporting plate, the bottom end of the movable hanging piece is relatively far away, and the movable hanging piece is in an open state; then, the connecting sleeve and the connecting rod move downwards together, when the upper end of the drill bit is reached, the top end of the drill bit enters the movable hanging piece and is in contact with the bottom end of the movable disc, at the moment, the connecting rod is controlled to move upwards relative to the connecting sleeve, the connecting rod drives the movable disc to move upwards, the movable hanging piece rotates around the bottom end of the supporting plate in the opposite direction, and the bottom end of the movable hanging piece is relatively close to and clamps the outer side face of the drill bit through the; finally, the connecting rod and the connecting sleeve are pulled to move upwards to pull out the drill bit, so that the fishing operation of the drill bit is realized; the whole salvaging process is simple in operation, convenient and quick, and brings convenience to the salvaging operation of the drill bit;
the salvaging equipment has simple structure and lower production cost, can meet the use requirement of bridge construction, and brings certain convenience to the bridge construction operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first fishing state diagram of the present invention;
FIG. 2 is a second fishing state diagram of the present invention;
FIG. 3 is a partial connection structure of the connecting rod and the connecting bushing;
FIG. 4 is a top view of the movable tray;
fig. 5 is a partial structure view of the movable hanger.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
As shown in fig. 1 to 5, the continuous-connection fishing equipment for the bridge engineering drill bit in the embodiment includes a connecting sleeve 1, a connecting rod 2, and a clamping assembly, wherein the connecting rod 2 is sleeved in the connecting sleeve 1 and can move in the axial direction of the connecting sleeve 1; the top end of the connecting rod 2 is higher than that of the connecting sleeve 1, and the top end of the connecting rod 2 is fixedly connected with a handheld rod 3, so that people can conveniently control the handheld rod; the bottom end of the connecting sleeve 1 and the bottom end of the connecting rod 2 are both connected with the clamping assembly;
the clamping assembly comprises a supporting plate 5, a movable hanging piece 7 and a movable disc 6, wherein the movable disc 6 is connected to the bottom end of the connecting rod 2, the movable disc 6 is in a circular plate shape, four first connecting lugs 601 are arranged on the outer side of the circumference of the movable disc 6 at equal intervals, and first mounting holes are formed in the first connecting lugs 601 and are connected with the movable hanging piece 7 through the first mounting holes; the movable hanging piece 7 is arc-shaped and rod-shaped, four movable hanging pieces 7 are arranged corresponding to the first connecting lug 601, and a second mounting hole is formed in the top end of each movable hanging piece 7 and is connected with the first mounting hole through a second mounting hole in a pin shaft mode; a hook 701 is integrally formed at the bottom end of the movable hanger 7; the supporting plate 5 is fixedly connected to the bottom end of the connecting sleeve 1, the supporting plate 5 is provided with four positions, the supporting plate 5 corresponds to the first connecting lug 601, and the bottom end of the supporting plate 5 is provided with a third mounting hole and is connected with a fourth mounting hole pin shaft arranged in the middle of the movable hanging piece 7 through the third mounting hole.
When the fishing operation is carried out, firstly, the connecting rod 2 is controlled to move downwards relative to the connecting sleeve 1, the connecting rod 2 drives the movable disc 6 to move downwards, so that the movable hanging piece 7 rotates around the bottom end of the supporting plate 5, and the bottom end of the movable hanging piece 7 is relatively far away and is in an open state (as shown in figure 1); then, the connecting sleeve 1 and the connecting rod 2 move downwards together, when the upper end of the drill bit 8 is reached, the top end of the drill bit 8 enters between the four movable hangers 7 and is contacted with the bottom end of the movable disc 8, at the moment, the connecting rod 2 is controlled to move upwards relative to the connecting sleeve 1, the connecting rod 2 drives the movable disc 8 to move upwards, the movable hangers 7 rotate around the bottom end of the supporting plate 5 in the opposite direction, the bottom ends of the movable hangers 7 are relatively close to each other, and the outer side face of the drill bit 8 is clamped through the hook 701 (as shown in fig. 2; finally, the connecting rod 2 and the connecting sleeve 1 are pulled to move upwards, the drill bit 8 is pulled out, and the fishing operation of the drill bit 8 is realized; the whole salvaging process is simple in operation, convenient and quick, and brings convenience to the salvaging operation of the drill bit;
the salvaging equipment has simple structure and lower production cost, can meet the use requirement of bridge construction, and brings certain convenience to the bridge construction operation.
One side of the hook 701 close to the movable disc is provided with a connecting groove 7011, and a magnet 9 is embedded in the connecting groove 7011.
When the hook 701 clamps the drill bit 8, the magnet 9 can adsorb the surface of the drill bit 8, so that the connection stability between the hook 701 and the drill bit 8 is improved, the hook 701 is prevented from being separated from the drill bit 8, and the using effect of the invention is improved.
The inner side of the connecting sleeve 1 is provided with an internal thread, and the outer side of the connecting rod 2 is provided with an external thread corresponding to the internal thread; when the connecting rod 2 is sleeved in the connecting sleeve 1, the connecting rod 2 is in threaded connection with the connecting sleeve 1; when the connecting rod 2 is rotated, the connecting rod 2 moves relative to the axial direction of the connecting sleeve 1; the bottom end of the connecting rod 2 is connected with the top end bearing of the movable disc 6.
A locking nut 4 is arranged between the handheld rod 3 and the connecting sleeve 1, and the locking nut 4 is sleeved outside the connecting rod 2 and is in threaded connection with the connecting rod 2; when lifting operation is performed, the lower end face of the lock nut 4 is in contact with the upper end face of the connecting sleeve 1.
When fishing operation is carried out, firstly, the connecting rod is enabled to move downwards through rotating the connecting rod, the bottom end of the movable hanging piece is enabled to be in an open state, then the locking nut is rotated to enable the lower end face of the locking nut to be in contact with the upper end face of the connecting sleeve, and the connecting state between the connecting rod and the connecting sleeve is kept unchanged; when the top end of the drill bit is contacted with the lower end face of the movable disc, the locking nut is loosened, the connecting rod is rotated to enable the connecting rod to move upwards, and when the bottom end of the movable pendant and the drill bit clamp the couple, the locking nut is rotated and screwed again to keep the connection state between the connecting rod and the connecting sleeve stable; the locking nut can effectively prevent the bottom end of the movable hanging piece from being opened and the clamping state from being changed due to the fact that the connecting sleeve and the connecting rod move in the lifting process during fishing, so that the fishing effect of the drill bit is influenced, and the using effect of the invention is further improved.
Claims (7)
1. The utility model provides a bridge engineering drill bit continues to connect salvage equipment which characterized in that: the continuous-connection fishing equipment for the bridge engineering drill bit comprises a connecting sleeve, a connecting rod and a clamping assembly, wherein the connecting rod is sleeved in the connecting sleeve and can move relative to the axis direction of the connecting sleeve; the bottom end of the connecting sleeve and the bottom end of the connecting rod are both connected with the clamping assembly; the clamping assembly comprises a supporting plate, at least two movable hanging pieces and a movable disc, wherein the movable disc is connected to the bottom end of the connecting rod, the movable hanging pieces are arc-rod-shaped, and the top ends of the movable hanging pieces are rotatably connected with the movable disc; the bottom end of the movable hanging piece is integrally formed with a hook; the supporting plate is fixedly connected to the bottom end of the connecting sleeve, the position of the supporting plate corresponds to the position of the first connecting lug, and the bottom end of the supporting plate is rotatably connected with the middle of the movable hanging piece.
2. The continuous-connection fishing equipment for bridge engineering drill bits as claimed in claim 1, characterized in that: the movable disc is in a circular plate shape, at least two first connecting lugs are arranged on the outer side of the circumference of the movable disc, and first mounting holes are formed in the first connecting lugs and are connected with the movable hanging piece through the first mounting holes; the top end of the movable hanging piece is provided with a second mounting hole and is in pin shaft connection with the first mounting hole through the second mounting hole; and a third mounting hole is formed in the bottom end of the supporting plate and is in pin connection with a fourth mounting hole arranged in the middle of the movable hanging piece through the third mounting hole.
3. The continuous-connection fishing equipment for bridge engineering drill bits as claimed in claim 2, characterized in that: first connection ear, backup pad, activity pendant all have four, and four equidistant settings of first connection ear are in the circumference outside of activity dish, and four backup pads are equidistant setting along adapter sleeve's circumferencial direction, and four activity pendants are connected on corresponding first connection ear, backup pad.
4. The continuous-connection fishing equipment for bridge engineering drill bits as claimed in claim 3, characterized in that: one side of the hook close to the movable disc is provided with a connecting groove, and a magnetic part is embedded in the connecting groove.
5. The continuous-connection fishing equipment for bridge engineering drill bits as claimed in claim 4, characterized in that: the connecting rod top is higher than the top height of connecting sleeve, and connecting rod top fixedly connected with holds the pole, and the axis direction of holding the pole is mutually perpendicular with the axis direction of connecting rod.
6. The continuous-connection fishing equipment for bridge engineering drill bits as claimed in claim 5, characterized in that: the inner side of the connecting sleeve is provided with an internal thread, and the outer side of the connecting rod is provided with an external thread corresponding to the internal thread; when the connecting rod is sleeved in the connecting sleeve, the connecting rod is in threaded connection with the connecting sleeve; when the connecting rod is rotated, the connecting rod moves relative to the axial direction of the connecting sleeve; the bottom end of the connecting rod is rotatably connected with the top end of the movable disc.
7. The continuous-connection fishing equipment for bridge engineering drill bits as claimed in claim 6, characterized in that: a locking nut is arranged between the handheld rod and the connecting sleeve and sleeved outside the connecting rod and is in threaded connection with the connecting rod; when the lifting operation is carried out, the lower end face of the locking nut is contacted with the upper end face of the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952344.8A CN112127824A (en) | 2020-09-11 | 2020-09-11 | Continuous equipment of salvaging that connects of bridge engineering drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952344.8A CN112127824A (en) | 2020-09-11 | 2020-09-11 | Continuous equipment of salvaging that connects of bridge engineering drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112127824A true CN112127824A (en) | 2020-12-25 |
Family
ID=73846206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010952344.8A Pending CN112127824A (en) | 2020-09-11 | 2020-09-11 | Continuous equipment of salvaging that connects of bridge engineering drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112127824A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796696A (en) * | 2020-12-28 | 2021-05-14 | 深圳市工勘岩土集团有限公司 | Magnetic clamping type salvaging method for major diameter bored concrete pile rotary drilling and drill dropping |
| CN114482897A (en) * | 2022-01-21 | 2022-05-13 | 煤炭科学技术研究院有限公司 | Device and method for salvaging dropped drill |
| WO2022146905A1 (en) * | 2020-12-28 | 2022-07-07 | Saudi Arabian Oil Company | Universal grapple overshot for fishing irregular shaped objects |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206231A (en) * | 1922-08-01 | 1923-11-01 | Charles Henry Brown | Fishing tool for removing objects from wells |
| GB890284A (en) * | 1959-02-17 | 1962-02-28 | Carl Henry Eichwede | A device suitable for extracting a pipe from a bore hole |
| CN2804373Y (en) * | 2005-06-28 | 2006-08-09 | 中信重型机械公司 | Deep well clamshell with single rope and multiple grabs |
| CN202866720U (en) * | 2012-08-02 | 2013-04-10 | 江苏久工重型机械股份有限公司 | Drilling bucket latch jack for rotary drilling machine |
| CN205325715U (en) * | 2016-01-08 | 2016-06-22 | 三峡大学 | Can fix telescopic mechanical fixture |
| CN206376785U (en) * | 2017-01-13 | 2017-08-04 | 孙伟 | Novel oilfield underground work fishing device |
| CN210685906U (en) * | 2019-08-27 | 2020-06-05 | 南宁市红宝机械有限责任公司 | Open-close type drill bit fishing device |
-
2020
- 2020-09-11 CN CN202010952344.8A patent/CN112127824A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206231A (en) * | 1922-08-01 | 1923-11-01 | Charles Henry Brown | Fishing tool for removing objects from wells |
| GB890284A (en) * | 1959-02-17 | 1962-02-28 | Carl Henry Eichwede | A device suitable for extracting a pipe from a bore hole |
| CN2804373Y (en) * | 2005-06-28 | 2006-08-09 | 中信重型机械公司 | Deep well clamshell with single rope and multiple grabs |
| CN202866720U (en) * | 2012-08-02 | 2013-04-10 | 江苏久工重型机械股份有限公司 | Drilling bucket latch jack for rotary drilling machine |
| CN205325715U (en) * | 2016-01-08 | 2016-06-22 | 三峡大学 | Can fix telescopic mechanical fixture |
| CN206376785U (en) * | 2017-01-13 | 2017-08-04 | 孙伟 | Novel oilfield underground work fishing device |
| CN210685906U (en) * | 2019-08-27 | 2020-06-05 | 南宁市红宝机械有限责任公司 | Open-close type drill bit fishing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796696A (en) * | 2020-12-28 | 2021-05-14 | 深圳市工勘岩土集团有限公司 | Magnetic clamping type salvaging method for major diameter bored concrete pile rotary drilling and drill dropping |
| CN112796696B (en) * | 2020-12-28 | 2022-04-19 | 深圳市工勘岩土集团有限公司 | Magnetic clamping type salvaging method for major diameter bored concrete pile rotary drilling and drill dropping |
| WO2022146905A1 (en) * | 2020-12-28 | 2022-07-07 | Saudi Arabian Oil Company | Universal grapple overshot for fishing irregular shaped objects |
| CN114482897A (en) * | 2022-01-21 | 2022-05-13 | 煤炭科学技术研究院有限公司 | Device and method for salvaging dropped drill |
| CN114482897B (en) * | 2022-01-21 | 2023-09-26 | 煤炭科学技术研究院有限公司 | Device and method for fishing off drill |
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Application publication date: 20201225 |