CN218953269U - Small-size device is salvaged to percussion bit - Google Patents
Small-size device is salvaged to percussion bit Download PDFInfo
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- CN218953269U CN218953269U CN202222826404.9U CN202222826404U CN218953269U CN 218953269 U CN218953269 U CN 218953269U CN 202222826404 U CN202222826404 U CN 202222826404U CN 218953269 U CN218953269 U CN 218953269U
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Abstract
The utility model discloses a small-sized device for salvaging a percussion bit, which relates to the field of bridges in civil engineering and comprises a drill rod and a salvaging cylinder, wherein the top end of the salvaging cylinder is detachably connected with the bottom end of the drill rod, N movable grooves are formed in the lower section cylinder wall of the salvaging cylinder, the device also comprises a driving assembly, N supporting rods and N upper hinging seats, the N supporting rods are respectively and correspondingly arranged in the N movable grooves.
Description
Technical Field
The utility model belongs to the field of civil engineering bridges, and particularly relates to a small-sized device for salvaging a percussion bit.
Background
The Egypt-Russian river is widely distributed, the construction of the Egypt-Russian river bridge is just started, the number of bridges to be built later is not counted, a large number of bridges are distributed in the future, meanwhile, a large number of river bridge crossing constructions are required, the number of underwater pile foundations is greatly increased, and therefore the situation that a drill bit falls frequently occurs.
The pile foundation bearing layer is a hard rock layer with deeper penetration depth and stable geological condition. When the bored pile is used for construction, the drill bit is broken and falls into a pile hole easily due to brittle fracture of the drill bit caused by excessive consumption of the drill bit in the drilling process. A series of drill salvaging measures are needed to ensure the continuous construction of the bored pile.
In the salvaging of the drill bit, manual drainage is mainly adopted, the underwater environment is usually severe, the drainage depth is deeper, the proportion of the underwater mud is too large, the hole is in collapse risk, the underwater visual field is fuzzy, the underwater working time is long, the purpose of salvaging the drill bit cannot be achieved at one time, multiple drainage is needed, and great safety risks are caused for workers in the drainage.
Therefore, we propose a small device for fishing with a percussion drill bit to solve the above problems.
Disclosure of Invention
Aiming at the problems that in the process of salvaging a drill bit, manual drainage is mainly adopted, the underwater environment is usually bad, the drainage depth is deeper, the specific gravity of underwater mud is too large, the hole is in collapse risk, the underwater visual field is fuzzy, the underwater working time is longer, the purpose of salvaging the drill bit can not be achieved at one time, the drainage is needed for many times, and the great safety risk is caused for a drainage worker.
The utility model solves the technical problems by adopting the scheme that: the utility model provides a small-size device is salvaged to percussion bit, includes drilling rod and salvage barrel, salvages the top of barrel and the bottom detachable of drilling rod and is connected, has seted up N movable groove on the hypomere section of thick bamboo wall of salvage barrel.
The device comprises a fishing barrel, and is characterized by further comprising a driving assembly, N supporting rods and N upper hinging seats, wherein the N supporting rods are respectively and correspondingly arranged in N movable grooves, the bottom ends of the N supporting rods are hinged in the movable grooves, the N upper hinging seats are arranged in the fishing barrel, a push-pull rod is arranged between the upper hinging seats and the supporting rods, one end of the push-pull rod is hinged with the upper hinging seats, the other end of the push-pull rod is hinged with the middle section of the supporting rods, and the driving assembly is arranged in the fishing barrel and can drive the N upper hinging seats to move up and down synchronously.
As a preferable technical scheme of the utility model, the top end of the drill rod is connected with the liquid outlet end of the slurry pump.
As a preferable technical scheme of the utility model, the driving assembly comprises a piston block and a connecting rod, wherein the piston block is arranged in the overshot in a matching way, the piston block moves downwards along the salvage cylinder under the action of high-pressure mud when the mud pump works, the connecting rod is fixedly arranged at the bottom end of the piston block, and N upper hinge seats are respectively arranged at the outer sides of the connecting rod.
As a preferable technical scheme of the utility model, the outer edge of the piston block is provided with an annular groove, and a sealing ring is arranged in the annular groove.
As a preferable technical scheme of the utility model, the connecting rod is sleeved with the sliding sleeve and the spring, the sliding sleeve is fixedly arranged in the overshot, and two ends of the spring are fixedly connected with the sliding sleeve and the piston block respectively.
As a preferable technical scheme of the utility model, the upper end of the supporting rod is fixedly provided with an arc contact head, and the arc contact head is arranged corresponding to the inner hole of the impact bit body.
As a preferable technical scheme of the utility model, the driving assembly comprises a mounting seat, the mounting seat is arranged in the overshot in a matching way, a storage battery and an electric push rod are respectively arranged at the top and the bottom of the mounting seat, N upper hinging seats are respectively arranged at the telescopic ends of the electric push rod, and the storage battery is electrically connected with the electric push rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the salvaging cylinder is driven to move by the drill rod, the salvaging cylinder is stretched into the inner hole of the impact drill bit body, the driving assembly drives the plurality of upper hinging seats to synchronously move downwards, then the plurality of supporting rods synchronously expand outwards under the combined action of the upper hinging seats, the push-pull rods and the lower hinging seats, the plurality of arc-shaped contact heads are contacted with the inner hole of the impact drill bit body and clamped, and the impact drill bit body is synchronously lifted while the drill rod and the salvaging cylinder are lifted, so that the probability of manual operation of being lowered into a well hole is reduced, the problems of hole collapse, hole expansion and hole shrinkage in the salvaging process are avoided, and the salvaging success rate is improved.
2. According to the utility model, the drill rod is connected with the slurry pump, the device skillfully adopts pressure slurry as hydraulic oil, the piston block moves downwards along the salvaging cylinder under the action of high-pressure slurry, so that the plurality of support rods synchronously open outwards, and the arc-shaped contact heads are contacted with the inner hole of the impact bit body and clamped by the slurry pump, so that the salvaging cylinder is lifted and the impact bit body is synchronously lifted.
3. According to the utility model, the spring is arranged, and then after the high-pressure slurry is discharged out of the salvaging cylinder body and the drill rod, the piston block is moved upwards and reset by means of the elastic force of the spring, so that the supporting rod is synchronously contracted into the movable groove and is not contacted with the inner hole of the impact bit body, and the impact bit body can be taken down.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a front view of an embodiment of the present utility model;
FIG. 3 is a schematic view illustrating a usage status of an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 5 is a schematic cross-sectional front view of a second embodiment of the present utility model.
In the figure: the drilling rod 1, the salvaging cylinder 2, the piston block 31, the sealing ring 32, the connecting rod 33, the movable groove 4, the supporting rod 51, the arc-shaped contact head 52, the upper hinging seat 61, the push-pull rod 62, the lower hinging seat 63, the sliding sleeve 71, the spring 72, the impact bit body 8, the storage battery 91, the mounting seat 92 and the electric push rod 93.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Referring to fig. 1-5, the present utility model provides a technical solution for salvaging a small-sized device by using a percussion bit:
embodiment one:
according to the embodiment shown in fig. 1-4, the fishing rod comprises a drill rod 1 and a fishing cylinder body 2, wherein the top end of the fishing cylinder body 2 is detachably connected with the bottom end of the drill rod 1, N movable grooves 4 are formed in the lower section cylinder wall of the fishing cylinder body 2, and the number of the movable grooves 4 in the embodiment is at least two.
The device further comprises a driving assembly, N supporting rods 51 and N upper hinging seats 61, the number of the supporting rods 51 and the number of the upper hinging seats 61 in the embodiment is at least two, the N supporting rods 51 are respectively and correspondingly arranged in the N movable grooves 4, the bottom ends of the N supporting rods are hinged in the movable grooves 4 through pin shafts, the diameter of the supporting rods 51 which are opened to the largest circumscribed circle is larger than the inner diameter of the impact bit body 8, arc-shaped contact heads 52 are fixedly arranged at the upper ends of the supporting rods 51, and the arc-shaped contact heads 52 are correspondingly arranged in the inner holes of the impact bit body 8.
The N upper hinging seats 61 are arranged in the salvaging cylinder body 2, a push-pull rod 62 is arranged between the upper hinging seat 61 and the supporting rod 51, one end of the push-pull rod 62 is hinged with the upper hinging seat 61 through a pin shaft II, the other end of the push-pull rod is hinged with a lower hinging seat 63 through a pin shaft III, and the lower hinging seat 63 is fixedly arranged in the middle section of the supporting rod 51.
The top of the drill rod 1 is connected with the liquid outlet end of the slurry pump, the driving assembly comprises a piston block 31 and a connecting rod 33, the piston block 31 is arranged in the salvaging cylinder 2 in a matching way, an annular groove is formed in the outer edge of the piston block 31, a sealing ring 32 is arranged in the annular groove, the sealing performance of the contact between the piston block 31 and the salvaging cylinder 2 is improved by arranging the sealing ring 32, the piston block 31 moves downwards along the salvaging cylinder 2 under the action of high-pressure slurry during the operation of the slurry pump, the connecting rod 33 is fixedly arranged at the bottom end of the piston block 31, N upper hinging seats 61 are respectively arranged on the outer side of the connecting rod 33, the device skillfully adopts pressure slurry as hydraulic oil and works through the slurry pump, the piston block 31 moves downwards along the salvaging cylinder 2 under the action of the high-pressure slurry, a plurality of supporting rods 51 synchronously expand outwards, a plurality of arc-shaped contact heads 52 are contacted with the inner holes of the impact drill bit body 8 and are clamped, and the impact drill bit body 8 is synchronously lifted when the salvaging cylinder 2 is lifted.
The connecting rod 33 is sleeved with the sliding sleeve 71 and the spring 72, the sliding sleeve 71 is fixedly installed in the salvaging cylinder 2, two ends of the spring 72 are fixedly connected with the sliding sleeve 71 and the piston block 31 respectively, through the arrangement of the spring 72, then after high-pressure slurry is discharged out of the salvaging cylinder 2 and the drill rod 1, the piston block 31 is moved upwards and reset by means of the elasticity of the spring 72, and then the supporting rod 51 is synchronously contracted into the movable groove 4 and is not contacted with the inner hole of the impact bit body 8, so that the impact bit body 8 can be taken down.
When the small-sized percussion bit salvaging device is particularly used, firstly, the salvaging cylinder body 2 and the lower end of the drill rod 1 are installed together, the top end of the drill rod 1 is connected with a slurry pump, and the drill rod 1 and the salvaging cylinder body 2 are lowered to the inner hole of the percussion bit body 8 in a well hole by a winch device;
after the mud pump is started in place, the piston block 31 moves downwards under the action of high-pressure mud, the push-pull rod 62 opens the supporting rod 51, the piston block 31 moves downwards along the salvaging cylinder 2 under the action of the high-pressure mud, then under the combined action of the upper hinging seat 61, the push-pull rod 62 and the lower hinging seat 63, the supporting rods 51 synchronously open outwards, the arc-shaped contact heads 52 are contacted with the inner holes of the impact bit body 8 and clamped, the pressure is maintained by the mud pump, and the winch device lifts the drill rod 1 and the salvaging cylinder 2 together with the impact bit body 8;
finally, after the high-pressure mud is discharged out of the salvaging cylinder body 2 and the drill rod 1, the piston block 31 is moved upwards and reset by means of the elastic force of the spring 72, so that the supporting rod 51 is synchronously contracted into the movable groove 4 and is not contacted with the inner hole of the impact bit body 8 any more, and the impact bit body 8 is taken down.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 5, the driving assembly comprises a mounting seat 92, the mounting seat 92 is installed in the salvage cylinder 2 in a matching manner, a storage battery 91 and an electric push rod 93 are installed at the top and the bottom of the mounting seat 92 respectively, N upper hinge seats 61 are installed on the telescopic ends of the electric push rod 93 respectively, the upper hinge seats 61 are driven to synchronously move downwards through the extension of the electric push rod 93, then under the combined action of the upper hinge seats 61, the push-pull rod 62 and the lower hinge seats 63, a plurality of support rods 51 are synchronously opened outwards, a plurality of arc-shaped contact heads 52 are in contact with the inner holes of the impact drill bit body 8 and are clamped, the impact drill bit body 8 is synchronously lifted when the drill rod 1 and the salvage cylinder 2 are lifted, the storage battery 91 is electrically connected with the electric push rod 93, and the storage battery 91 can provide required electric power for the electric push rod 93 through the arrangement of the storage battery 91, and the constraint of electric wires is avoided.
Claims (7)
1. The utility model provides a small-size device is salvaged to percussion bit, includes drilling rod and salvage barrel, salvages the top of barrel and the bottom demountable connection of drilling rod, has seted up N movable slots on salvage barrel's the hypomere section of thick bamboo wall, its characterized in that: the device comprises a fishing barrel, and is characterized by further comprising a driving assembly, N supporting rods and N upper hinging seats, wherein the N supporting rods are respectively and correspondingly arranged in N movable grooves, the bottom ends of the N supporting rods are hinged in the movable grooves, the N upper hinging seats are arranged in the fishing barrel, a push-pull rod is arranged between the upper hinging seats and the supporting rods, one end of the push-pull rod is hinged with the upper hinging seats, the other end of the push-pull rod is hinged with the middle section of the supporting rods, and the driving assembly is arranged in the fishing barrel and can drive the N upper hinging seats to move up and down synchronously.
2. The small size drill bit salvage device of claim 1, characterized by: the top end of the drill rod is connected with the liquid outlet end of the slurry pump.
3. The small size drill bit salvage device of claim 2, characterized by: the driving assembly comprises a piston block and a connecting rod, the piston block is arranged in the overshot in a matched mode, the piston block moves downwards along the salvage cylinder under the action of high-pressure mud when the mud pump works, the connecting rod is fixedly arranged at the bottom end of the piston block, and the N upper hinge seats are respectively arranged on the outer sides of the connecting rod.
4. A small size drill bit fishing apparatus according to claim 3, wherein: the outer edge of the piston block is provided with an annular groove, and a sealing ring is arranged in the annular groove.
5. A small size drill bit fishing apparatus according to claim 3, wherein: the connecting rod is sleeved with a sliding sleeve and a spring, the sliding sleeve is fixedly arranged in the overshot, and two ends of the spring are fixedly connected with the sliding sleeve and the piston block respectively.
6. A small size drill bit salvage device according to any one of claims 1-5, characterized in that: the upper end of the supporting rod is fixedly provided with an arc contact head, and the arc contact head is arranged corresponding to the inner hole of the percussion bit.
7. The small size drill bit salvage device of claim 6, characterized by: the driving assembly comprises a mounting seat, the mounting seat is mounted in the overshot in a matched mode, a storage battery and an electric push rod are mounted at the top and the bottom of the mounting seat respectively, the N upper hinging seats are mounted at the telescopic ends of the electric push rod respectively, and the storage battery is electrically connected with the electric push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222826404.9U CN218953269U (en) | 2022-10-26 | 2022-10-26 | Small-size device is salvaged to percussion bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222826404.9U CN218953269U (en) | 2022-10-26 | 2022-10-26 | Small-size device is salvaged to percussion bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218953269U true CN218953269U (en) | 2023-05-02 |
Family
ID=86107341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222826404.9U Active CN218953269U (en) | 2022-10-26 | 2022-10-26 | Small-size device is salvaged to percussion bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218953269U (en) |
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2022
- 2022-10-26 CN CN202222826404.9U patent/CN218953269U/en active Active
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