CN212452853U - Length-adjustable steel pile for cutter suction dredger - Google Patents
Length-adjustable steel pile for cutter suction dredger Download PDFInfo
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- CN212452853U CN212452853U CN202021024849.XU CN202021024849U CN212452853U CN 212452853 U CN212452853 U CN 212452853U CN 202021024849 U CN202021024849 U CN 202021024849U CN 212452853 U CN212452853 U CN 212452853U
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Abstract
The utility model relates to a piling bar with adjustable a length for cutter suction dredger. The device comprises a fixed outer sleeve, wherein a driver is installed at the top of the fixed outer sleeve, a telescopic inner sleeve is inserted at the lower end of the fixed outer sleeve, a tip end is installed at the lower end of the telescopic inner sleeve, and a lead screw is installed at the top of the telescopic inner sleeve; the driver comprises a shell, an upper shaft seat is arranged on the top wall of the shell, a lower shaft seat is arranged on the bottom wall of the shell, a sleeve is arranged between the upper shaft seat and the lower shaft seat, the sleeve is provided with an internal thread and is sleeved on the lead screw, and a worm wheel is arranged in the middle of the outer wall of the sleeve; a front shaft seat is arranged on the front wall of the shell, a rear shaft seat is arranged at the rear part of the inner cavity, and a worm is arranged between the front shaft seat and the rear shaft seat; the rear end of the worm is also provided with a driven gear, the rear part of the inner cavity of the shell is also provided with a driving gear in meshing transmission with the driven gear, and the worm-gear driving device further comprises a driving assembly for driving the driving gear. The utility model discloses simple structure, adjust convenient, use the flexibility ratio high.
Description
Technical Field
The utility model belongs to the technical field of boats and ships facility, especially, relate to a piling bar with adjustable length for cutter suction dredger.
Background
The cutter suction dredger is an important facility in dredging construction, and is characterized in that soil at the river bottom or the seabed is loosened by a rotating cutter, the soil and cement are mixed into slurry, the slurry is sucked into a pump body through a mud suction pipe and is conveyed to a mud discharge area through a mud discharge pipe. When the cutter suction dredger is constructed, dredging, mud conveying and mud discharging are integrated, the self-completion is realized, and the production efficiency is higher. The device is suitable for dredging inland river and lake regions with small storms and low flow velocity and ports along the sea, is suitable for excavating soil such as sand, sandy loam, sludge and the like, and can excavate clay after adopting a toothed reamer. In the construction process of the cutter suction dredger, after the dredger runs to a construction water area, the positioning steel pile is required to be anchored, in the cutter suction dredger construction process of the water area, the dredger carries out cutter suction dredging operation by taking the positioning steel pile as the center, and a dredging area is in a sector shape.
The positioning steel pile is usually a straight metal pile, and the lower end of the positioning steel pile is in a pointed shape, so that the positioning steel pile is conveniently inserted into soil at the bottom of a water body to realize positioning. The positioning steel pile is usually lifted and lowered by a hydraulic facility, and when the steel pile is lifted above the water surface, the steel pile can be stored in an anti-theft mode in order to avoid affecting the running of a ship, is erected when in use, and is lowered by the hydraulic facility until the lower end of the steel pile is inserted into soil at the bottom of the water.
The following problems are found in the construction of ships: under the general condition, in order to meet the requirement of construction in deeper water areas, the overall length of the positioning steel pile is large, when the ship carries out cutter suction and mud dredging construction in shallow water areas, the problem of inconvenient operation of the steel pile with large length is obvious, under the construction condition of the shallow water areas, the steel pile only needs to be lifted for a short distance, and for the longer steel pile, the flexibility of the steel pile is difficult to move and meets the requirement in the laying-standing operation and the lifting-descending operation in the shallow water areas, namely, in the construction of the shallow water areas, the longer steel pile is not convenient to adjust and use, and the cutter suction construction efficiency is reduced.
Therefore, it is required to optimally design the steel pile structure of the dredger facility to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, adjust convenient, use the high length-adjustable steel pile that is used for cutter suction dredger of flexibility ratio for solving the technical problem that exists among the well-known technique.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a length-adjustable steel pile for a cutter suction dredger comprises a fixed outer sleeve, wherein a driver is installed at the top of the fixed outer sleeve, a telescopic inner sleeve is inserted into the lower end of the fixed outer sleeve, a tip end is installed at the lower end of the telescopic inner sleeve, and a lead screw is installed at the top of the telescopic inner sleeve; the driver comprises a shell, an upper shaft seat is arranged on the top wall of the shell, a lower shaft seat is arranged on the bottom wall of the shell, a sleeve is arranged between the upper shaft seat and the lower shaft seat, the sleeve is provided with an internal thread and is sleeved on the lead screw, and a worm wheel is arranged in the middle of the outer wall of the sleeve; a front shaft seat is arranged on the front wall of the shell, a rear shaft seat is arranged at the rear part of the inner cavity, a worm is arranged between the front shaft seat and the rear shaft seat, and the worm wheel and the worm form a worm gear structure; the rear end of the worm is also provided with a driven gear, the rear part of the inner cavity of the shell is also provided with a driving gear in meshing transmission with the driven gear, and the worm-gear driving device further comprises a driving assembly for driving the driving gear.
The utility model has the advantages that: the utility model provides a simple reasonable length-adjustable piling bar for cutter suction dredger of structural design compares with current fixed piling bar, the utility model discloses in constitute by fixed outer sleeve, flexible inner skleeve and most advanced end through making the piling bar, make whole length can stretch out and draw back the regulation, make whole length extension when deep water waters construction, make whole length shorten when shallow water waters construction, consequently can the concrete construction operating mode of adaptation better. The steel pile is shortened by operating the steel pile in a shallow water area, so that the flexibility of the steel pile in the processes of ascending, descending, dumping and standing can be improved. Through set up the lead screw and adopt driver drive lead screw to drive flexible inner skleeve and make axial flexible removal at the top at flexible inner skleeve, realized the convenient length adjustment to whole piling bar. Through set up worm gear structure in the driver, make the flexible regulation labour saving and time saving of piling bar.
Preferably: the driving assembly is an adjusting end block connected with the driving gear or a motor with an output shaft connected with the driving gear.
Preferably: and a flange plate is arranged at the upper end of the fixed outer sleeve and fixedly connected with the bottom wall of the driver by bolts.
Preferably: the telescopic inner sleeve comprises an inner sleeve body, a top connecting block is arranged at the top of the inner sleeve body, and the lower end of the lead screw is fixedly connected with the top connecting block; an inner reinforcing block is arranged at the middle lower part of the inner cavity of the inner sleeve body.
Preferably: the fixed outer sleeve comprises an outer sleeve body, a base plate is arranged on the middle upper portion of the outer wall of the outer sleeve body, and a transfer block is mounted at the bottom of the base plate.
Preferably: the tip end is obtained by adopting the integrated punch forming of a metal plate, and the top edge of the tip end is welded and fixed with the bottom edge of the inner sleeve body in a sealing way.
Preferably: the inner wall of the lower part of the outer sleeve body is provided with a plurality of annular seal grooves, and a seal ring is arranged in each seal groove.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic sectional view of the present invention, in an extended state;
fig. 3 is a schematic sectional view of the present invention, showing a contracted state;
FIG. 4 is a schematic diagram of the internal structure of the actuator of FIG. 1;
fig. 5 is a schematic diagram of an electric drive of the driver of fig. 1.
In the figure:
1. a driver; 1-1, an upper shaft base; 1-2, a sleeve; 1-3, a front axle seat; 1-4, a lower shaft seat; 1-5, worm; 1-6, driven gear; 1-7, a driving gear; 1-8, a worm gear; 1-9 parts of rear axle seat; 2. fixing an outer sleeve; 2-1, an outer sleeve body; 2-2, a switching block; 2-3, a base plate; 3. a telescopic inner sleeve; 3-1, an inner sleeve body; 3-2, an internal reinforcing block; 3-3, connecting blocks at the top; 4. a tip end; 5. a lead screw; 6. an adjusting end-block; 7. an electric motor.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.
Referring to fig. 1, the length-adjustable steel pile for a cutter suction dredger of the present invention includes a fixed outer sleeve 2, a driver 1 installed on the top of the fixed outer sleeve 2, a telescopic inner sleeve 3 inserted into the lower end of the fixed outer sleeve 2, and a tip end 4 installed on the lower end of the telescopic inner sleeve 3. The telescopic inner sleeve 3 can move telescopically in the fixed outer sleeve 2, so that the change adjustment of the whole length is realized, the driver 1 is used for driving the telescopic inner sleeve 3 to move along the axial direction, and the tip end 4 is convenient for the lower end of the telescopic inner sleeve 3 to be inserted into soil at the bottom of the water.
Referring to fig. 2 and 3, it can be seen that:
a lead screw 5 is arranged on the top of the telescopic inner sleeve 3.
In this embodiment, the telescopic inner sleeve 3 includes an inner sleeve body 3-1, a top connecting block 3-3 is disposed at the top of the inner sleeve body 3-1, and the lower end of the lead screw 5 is fixedly connected (welded and fixed) with the top connecting block 3-3. An inner reinforcing block 3-2 is arranged at the middle lower part of the inner cavity of the inner sleeve body 3-1, and the inner reinforcing block 3-2 is used for improving the structural strength of the middle lower part of the inner sleeve body 3-1.
In the embodiment, the fixed outer sleeve 2 comprises an outer sleeve body, 2-1 a base plate 2-3 is arranged at the middle upper part of the outer wall of the outer sleeve body 2-1, and a transfer block 2-2 is arranged at the bottom of the base plate 2-3. The base plate 2-3 and the transfer block 2-2 are used for connecting the adjustable steel pile with a hydraulic system of a ship facility, if a frame is arranged at the stern of the ship facility and a long oil cylinder is arranged on the frame, the end part of a piston rod of the long oil cylinder is fixedly connected with the transfer block 2-2, the lifting adjustment of the steel pile is realized by controlling the extension and retraction of the long oil cylinder, a tilting device can be further arranged at the stern of the ship facility, and the frame, the long oil cylinder and a combination body formed by the steel pile are tilted and vertically driven by the tilting device.
In this embodiment, the tip end 4 is formed by integrally punching a metal plate, and the top edge thereof is welded and fixed to the bottom edge of the inner sleeve body 3-1 in a sealing manner.
Referring to fig. 4 and 5, it can be seen that:
the driver 1 comprises a shell, an upper shaft seat 1-1 is installed on the top wall of the shell, a lower shaft seat 1-4 is installed on the bottom wall of the shell, a sleeve 1-2 is installed between the upper shaft seat 1-1 and the lower shaft seat 1-4, the sleeve 1-2 is provided with internal threads, the sleeve 1-2 is sleeved on a screw 5, and a worm wheel 1-8 is installed in the middle of the outer wall of the sleeve 1-2. Specifically, bearings are respectively arranged on the upper shaft seat 1-1 and the lower shaft seat 1-4, and the upper end and the lower end of the sleeve 1-2 are respectively fixedly connected with the inner rings of the upper bearing and the lower bearing.
The driving sleeve 1-2 rotates, and the lead screw 5 drives the lower telescopic inner sleeve 3 to move up and down, so that telescopic adjustment is realized.
The front wall of the shell is provided with a front axle seat 1-3, the rear part of the inner cavity is provided with a rear axle seat 1-9, a worm 1-5 is arranged between the front axle seat 1-3 and the rear axle seat 1-9, and a worm wheel 1-8 and the worm 1-5 form a worm and gear structure. Specifically, bearings are respectively arranged on the front shaft seat 1-3 and the rear shaft seat 1-9, and the front end and the rear end of the worm 1-5 are respectively and fixedly connected with the inner rings of the front bearing and the rear bearing.
The rear end of the worm 1-5 is also provided with a driven gear 1-6, the rear part of the inner cavity of the shell is also provided with a driving gear 1-7 which is in meshed transmission with the driven gear 1-6, and the worm gear further comprises a driving assembly which drives the driving gear 1-7. Under the driving action of the driving assembly, the worm 1-5 drives the worm wheel 1-8 to drive the sleeve 1-2 to rotate forwards or reversely, and further drives the screw 5 to move vertically.
In this embodiment, a flange is disposed at the upper end of the outer fixed sleeve 2, and the flange is fixedly connected to the bottom wall of the driver 1 by bolts.
In this embodiment the drive assembly is an adjusting end block 6 connected to the driving gears 1-7 or an electric motor 7 with an output shaft connected to the driving gears 1-7. When the adjusting end block 6 is adopted, a manual adjusting mode is adopted, and when the motor 7 is adopted, an electric adjusting mode is adopted.
In this embodiment, a plurality of annular sealing grooves are formed in the inner wall of the lower portion of the outer sleeve body 2, sealing rings are arranged in the sealing grooves, and each sealing ring is located between the inner wall of the outer sleeve body 2 and the outer wall of the telescopic inner sleeve 3 to provide a certain sealing property and prevent water from entering the inner cavity of the outer sleeve body 2. However, the tightness between the outer sleeve body 2 and the telescopic inner sleeve 3 is not necessary, i.e. a small amount of water is allowed to enter the inner cavity of the outer sleeve body 2, without affecting the normal use of the steel pile.
The operation mode is as follows:
when construction is carried out in a deepwater area, the adjusting end block 6 or the motor 7 inputs drive to the driver 1, and the lead screw 5 drives the assembly formed by the telescopic inner sleeve 3 and the tip end 4 to extend out of the outer sleeve body 2 for a certain length, so that the length of the whole steel pile is increased, and the steel pile is suitable for deepwater construction; during shallow water construction, the adjusting end block 6 or the motor 7 inputs drive to the driver 1, and the lead screw 5 drives the assembly consisting of the telescopic inner sleeve 3 and the tip end 4 to retract to the outer sleeve body 2 for a certain length, so that the length of the whole steel pile is reduced, and the shallow water construction is suitable.
Claims (7)
1. A length-adjustable steel pile for a cutter suction dredger is characterized in that: the device comprises a fixed outer sleeve (2), a driver (1) is installed at the top of the fixed outer sleeve (2), a telescopic inner sleeve (3) is inserted at the lower end of the fixed outer sleeve (2), a tip end (4) is installed at the lower end of the telescopic inner sleeve (3), and a lead screw (5) is installed at the top of the telescopic inner sleeve (3); the driver (1) comprises a shell, an upper shaft seat (1-1) is installed on the top wall of the shell, a lower shaft seat (1-4) is installed on the bottom wall of the shell, a sleeve (1-2) is installed between the upper shaft seat (1-1) and the lower shaft seat (1-4), the sleeve (1-2) is provided with internal threads, the sleeve (1-2) is sleeved on the screw rod (5), and a worm wheel (1-8) is installed in the middle of the outer wall of the sleeve (1-2); a front shaft seat (1-3) is arranged on the front wall of the shell, a rear shaft seat (1-9) is arranged at the rear part of the inner cavity, a worm (1-5) is arranged between the front shaft seat (1-3) and the rear shaft seat (1-9), and a worm wheel (1-8) and the worm (1-5) form a worm and gear structure; the rear end of the worm (1-5) is also provided with a driven gear (1-6), the rear part of the inner cavity of the shell is also provided with a driving gear (1-7) which is in meshing transmission with the driven gear (1-6), and the worm gear driving device further comprises a driving assembly which drives the driving gear (1-7).
2. A length-adjustable steel pile for a cutter suction dredger according to claim 1, characterized in that: the driving assembly is an adjusting end block (6) connected with the driving gears (1-7) or a motor (7) with an output shaft connected with the driving gears (1-7).
3. A length-adjustable steel pile for a cutter suction dredger according to claim 2, characterized in that: the upper end of the fixed outer sleeve (2) is provided with a flange which is fixedly connected with the bottom wall of the driver (1) by bolts.
4. A length-adjustable steel pile for a cutter suction dredger according to claim 3, characterized in that: the telescopic inner sleeve (3) comprises an inner sleeve body (3-1), a top connecting block (3-3) is arranged at the top of the inner sleeve body (3-1), and the lower end of the lead screw (5) is fixedly connected with the top connecting block (3-3); an inner reinforcing block (3-2) is arranged at the middle lower part of the inner cavity of the inner sleeve body (3-1).
5. A length-adjustable steel pile for a cutter suction dredger according to claim 4, characterized in that: the fixed outer sleeve (2) comprises an outer sleeve body (2-1), a base plate (2-3) is arranged at the middle upper part of the outer wall of the outer sleeve body (2-1), and a transfer block (2-2) is arranged at the bottom of the base plate (2-3).
6. A length-adjustable steel pile for a cutter suction dredger according to claim 5, characterized in that: the tip end (4) is obtained by integrally punching and molding a metal plate, and the top edge of the tip end is welded and fixed with the bottom edge of the inner sleeve body (3-1) in a sealing way.
7. A length-adjustable steel pile for a cutter suction dredger according to claim 6, characterized in that: a plurality of annular sealing grooves are arranged on the inner wall of the lower part of the outer sleeve body (2-1), and sealing rings are arranged in each sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024849.XU CN212452853U (en) | 2020-06-05 | 2020-06-05 | Length-adjustable steel pile for cutter suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024849.XU CN212452853U (en) | 2020-06-05 | 2020-06-05 | Length-adjustable steel pile for cutter suction dredger |
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| Publication Number | Publication Date |
|---|---|
| CN212452853U true CN212452853U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021024849.XU Active CN212452853U (en) | 2020-06-05 | 2020-06-05 | Length-adjustable steel pile for cutter suction dredger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094967A (en) * | 2022-06-17 | 2022-09-23 | 江苏筑港建设集团有限公司 | Dredging construction method of cutter suction dredger |
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2020
- 2020-06-05 CN CN202021024849.XU patent/CN212452853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094967A (en) * | 2022-06-17 | 2022-09-23 | 江苏筑港建设集团有限公司 | Dredging construction method of cutter suction dredger |
| CN115094967B (en) * | 2022-06-17 | 2024-01-16 | 江苏筑港建设集团有限公司 | Dredger dredging construction method for cutter suction dredger |
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