CN107882091B - Cutter suction dredger with reamer bracket lifting device - Google Patents
Cutter suction dredger with reamer bracket lifting device Download PDFInfo
- Publication number
- CN107882091B CN107882091B CN201711128602.5A CN201711128602A CN107882091B CN 107882091 B CN107882091 B CN 107882091B CN 201711128602 A CN201711128602 A CN 201711128602A CN 107882091 B CN107882091 B CN 107882091B
- Authority
- CN
- China
- Prior art keywords
- reamer
- suction dredger
- cutter suction
- telescopic
- cylinder body
- Prior art date
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
Abstract
The application discloses a cutter suction dredger with a reamer bracket lifting device, which comprises a ship body and a reamer bracket, wherein the ship body comprises a deck and a bottom plate, the head of the reamer bracket is fixedly provided with a reamer head, the cutter suction dredger also comprises a lifting device of the reamer bracket, the bottom of the lifting device is fixedly connected with the bottom plate, the top of the lifting device is rotatably connected with the tail of the reamer bracket, a telescopic device capable of lifting the tail of the reamer bracket is arranged between the top and the bottom of the lifting device, the head of the reamer bracket is suspended at one end of a steel wire rope, and the other end of the steel wire rope is connected with a winch. The tail and head heights of the reamer bracket are controlled through the telescopic device, the winch and the steel wire rope respectively, so that the reamer bracket can clean sludge above the minimum dredging depth within the working angle range, and the maximum dredging depth is not changed, thereby expanding the vertical working range of the cutter suction dredger, and simultaneously having simple operation and structure. The application is used in the field of dredgers.
Description
Technical Field
The application relates to the field of dredgers, in particular to a cutter suction dredger with a reamer bracket lifting device.
Background
The cutter suction dredger is used for dredging mud in river channels and near coasts, main parts of dredger are reamer heads, the reamer heads are fixedly arranged on reamer supports, the reamer supports can rotate around a fixed shaft at the tail part to perform vertical circular arc movement, the head of each reamer support moves upwards and downwards under the traction action of a steel wire rope, the reamer heads vertically move between the maximum depth and the shallowest depth to clear mud in water, and the included angle between the reamer heads and the water surface is within a certain working angle range to clear mud normally. The maximum dredge depth of the cutter suction dredger is about 40m below the water surface, the minimum dredge depth is about 7m below the water surface, so that sludge cleaning work cannot be carried out at places with shallow sediment depths in water, particularly along the edges of river courses and coasts, and the approaching operation of the dredger to the coast is influenced to a certain extent by the sludge which cannot be cleaned.
Disclosure of Invention
The application aims to provide a cutter suction dredger with a reamer holder lifting device, which can clean sludge above the minimum dredging depth.
The technical scheme adopted by the application is as follows:
the utility model provides a cutter suction dredger with reamer support hoisting device, includes hull and reamer support, and the hull includes deck and bottom plate, and reamer support head fixed mounting has the reamer head, still includes reamer support's hoisting device, hoisting device bottom and bottom plate fixed connection, and hoisting device top and reamer support afterbody rotate to be connected, are equipped with the telescoping device that can promote reamer support afterbody between hoisting device top and the bottom, and reamer support head suspension is in a wire rope one end, and the wire rope other end is connected with the winch.
The telescopic device further comprises a cylinder body and a telescopic rod which can be retracted into the cylinder body, the cylinder body is embedded into the ship body, the bottom of the cylinder body is fixedly arranged on the bottom plate, the top of the cylinder body is flush with the deck, and the length of the telescopic rod is smaller than that of the cylinder body.
Further as an improvement of the technical scheme of the application, the upper part of the lifting device is provided with a supporting plate, the supporting plate is provided with a supporting seat, and the supporting seat is provided with a mounting hole which is rotationally connected with the tail part of the reamer bracket.
Further as an improvement of the technical scheme of the application, the lifting device further comprises a guide rod which is parallel to the telescopic rod and fixedly arranged on the ship body, the upper part of the guide rod penetrates through the supporting plate, and the supporting plate slides on the guide rod.
Further as an improvement of the technical scheme of the application, the number of the guide rods is two, and the guide rods are symmetrically arranged on two sides of the supporting seat.
Further as an improvement of the technical scheme of the application, the number of the telescopic devices is two, and the telescopic devices are symmetrically arranged on two sides of the supporting seat.
Further as an improvement of the technical scheme of the application, the supporting plate is also provided with a travel sensor for detecting the telescopic length of the telescopic device.
Further as an improvement of the technical scheme of the application, a locking mechanism is arranged between the supporting plate and the ship body.
Further as the improvement of the technical scheme of the application, the telescopic device is a hydraulic cylinder, the cylinder body is a hydraulic cylinder body, and the telescopic rod is a hydraulic cylinder piston rod.
The application has the beneficial effects that: the cutter suction dredger with the reamer bracket lifting device is characterized in that the heights of the tail part and the head part of the reamer bracket are respectively controlled through the telescopic device, the winch and the steel wire rope, so that the cutter suction dredger can clean sludge above the minimum dredging depth within the working angle range without changing the maximum dredging depth, thereby expanding the vertical working range of the cutter suction dredger, and simultaneously having simple operation and structure.
Drawings
The application is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of the telescopic device of the lifting device according to the embodiment of the present application in an extended state;
fig. 3 is a schematic structural view of a telescopic device of a lifting device according to an embodiment of the present application in a shortened state.
Detailed Description
Referring to fig. 1 and 2, the application relates to a cutter suction dredger with a reamer bracket lifting device, which comprises a ship body 1 and a reamer bracket 5, wherein the ship body 1 comprises a deck 11 and a bottom plate 12, the head part of the reamer bracket 5 is fixedly provided with a reamer head 6, the cutter suction dredger also comprises a lifting device 2 of the reamer bracket, the bottom of the lifting device 2 is fixedly connected with the bottom plate 12, the top of the lifting device 2 is rotatably connected with the tail part of the reamer bracket 5, a telescopic device 21 capable of lifting the tail part of the reamer bracket 5 is arranged between the top and the bottom of the lifting device 2, the head part of the reamer bracket 5 is suspended at one end of a steel wire rope 3, and the other end of the steel wire rope 3 is connected with a winch 4.
The winch 4 drives the steel wire rope 3, the steel wire rope 3 pulls the head of the reamer bracket 5 to rotate around the tail of the reamer bracket, and the reamer bracket moves in a vertical circular arc within a certain working angle range. When the cutter suction dredger is in normal sailing or non-silt cleaning operation, the reamer bracket 5 is positioned at the S1 position and is higher than the water surface; when the reamer bracket 5 is positioned at the S2 position, the reamer head 6 is positioned at the shallowest dredge depth, and the shallowest dredge depth is h1; when the reamer bracket 5 is positioned at the S3 position, the reamer head 6 is positioned at the maximum dredge depth, the maximum dredge depth is h2, and the effective working depth of sludge cleaning of the cutter suction dredger is h2-h1. When the reamer bracket 5 is positioned at the S2 position, the telescopic device 21 of the lifting device 2 stretches upwards to lift the tail of the reamer bracket 5 to reach the S4 position by a certain height, so that the reamer head 6 is flush with the water surface, the shallowest dredge depth is increased to the water surface, and sludge above the h1 depth can be cleaned. The heights of the tail part and the head part of the reamer bracket 5 are respectively controlled by the telescopic device 21, the winch 4 and the steel wire rope 3, so that the vertical operation range of the cutter suction dredger is enlarged.
As a preferred embodiment of the present application, the telescopic device 21 includes a cylinder 211 and a telescopic rod 212 which can be retracted into the cylinder 211, the cylinder 211 is embedded into the hull 1, the bottom of the cylinder 211 is fixedly connected with the bottom plate 12 through a mounting plate and a mounting hole provided on the mounting plate, the top of the cylinder 211 is flush with the deck 11, and the length of the telescopic rod 212 is smaller than the length of the cylinder 211.
As a preferred embodiment of the present application, the telescopic device 21 is a hydraulic cylinder, the cylinder 211 is a hydraulic cylinder body, and the telescopic rod 212 is a hydraulic cylinder piston rod.
As a preferred embodiment of the present application, the upper part of the lifting device 2 is provided with a supporting plate 22, the supporting plate 22 is provided with a supporting seat 221, and the supporting seat 221 is provided with a mounting hole 222 rotatably connected with the tail of the reamer bracket 5. The reamer holder 5 is connected with the mounting hole 222 through a rotation shaft.
When the reamer bracket 5 works between the S2 position and the S3 position, the telescopic device 21 is not in a working state, namely, the tail of the reamer bracket 5 is not lifted, because the length of the telescopic rod 212 is smaller than that of the cylinder body 211, the telescopic rod 212 can be completely retracted into the cylinder body 211, the top of the cylinder body 211 is flush with the deck 11, the supporting plate 22 falls onto the deck 11 and is supported by the deck 11, as shown in fig. 3, the telescopic rod 212 does not provide supporting force for the supporting plate 22 at the moment, and the stability of the reamer bracket 5 in deeper working is ensured.
As a preferred embodiment of the application, the lifting device 2 further comprises a guiding rod 25, the guiding rod 25 being parallel to the telescopic rod 212 and being fixedly connected to the bottom plate 12 and the deck 11, the upper part of the guiding rod 25 passing through the supporting plate 22, the supporting plate 22 sliding on the guiding rod 25.
The guide rod 25 ensures that the support plate 22 and the reamer support 5 perform lifting movement in a vertical direction, and prevents the reamer support 5 from being unstable in offset. The support plate 22 and the guide rod 25 are connected by adopting an axial bearing, so that the sliding friction resistance is reduced.
As a preferred embodiment of the present application, the number of the guide bars 25 is two and symmetrically disposed at both sides of the support base 221.
As a preferred embodiment of the present application, the number of the telescopic devices 21 is two and symmetrically arranged at both sides of the supporting seat 221.
The number of the guide rods 25 and the telescopic devices 21 is two and symmetrically arranged, so that the stability of the whole lifting device 2 in lifting and supporting the reamer holder 5 is ensured.
In a preferred embodiment of the present application, the support plate 22 is further provided with a stroke sensor 223 for detecting the telescopic length of the telescopic device 21.
As a preferred embodiment of the present application, a locking mechanism is provided between the support plate 22 and the hull 1. The locking mechanism locks the support plate 22 on the hull 1 when the telescopic device 21 does not lift the tail of the reamer holder 5, so that the support plate 22 is prevented from vibrating when the reamer holder 5 and the reamer head 6 work.
The operation steps of the cutter suction dredger with the reamer holder lifting device of the application are now described as follows:
a. ) Releasing the locking mechanism between the ship body 1 and the support plate 22 to enable the support plate 22 to be in a movable state;
b. ) Under the action of an external hydraulic control system, high-pressure hydraulic oil synchronously flows into the two cylinder bodies 211, so that the two telescopic rods 212 synchronously move upwards to push the tail part of the reamer bracket 5 to move upwards;
c. ) When a stroke sensor 223 mounted on the support plate 22 generates a signal, the support plate 22 is lifted to a proper position, the oil supply is stopped, and the telescopic rod 212 stops moving upwards;
d. ) Under the external control action, the winch 4 releases the steel wire rope to enable the head of the reamer support 5 to move downwards to the water surface, at the moment, the included angle between the reamer support 5 and the water surface is within the normal working angle range of the reamer, and the cutter suction dredger performs sludge cleaning operation, at the moment, sludge in the depth h1 range from the water surface is cleaned;
e. ) After the cutter suction dredger finishes cleaning the sludge with the depth h1, hydraulic oil flows out of the cylinder 211 under the action of an external hydraulic control system; after the support plate 22 moves downwards to contact the ship body 1, the ship body 1 provides supporting force for the reamer support 5, and the telescopic rod 212 does not provide supporting force for the reamer support 5 any more;
f. ) The locking mechanism is placed in a locked condition preventing the support plate 22 from sliding relative to the hull. The cutter suction dredger starts to clean up the sludge at a depth between the shallowest and the highest dredging depth.
The present application is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the application, and these equivalent modifications or substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (8)
1. Cutter suction dredger with reamer support hoisting device, including hull (1) and reamer support (5), hull (1) are including deck (11) and bottom plate (12), reamer support (5) head fixed mounting has reamer head (6), its characterized in that: still include hoisting device (2) of reamer support, hoisting device (2) bottom with bottom plate (12) fixed connection, hoisting device (2) top with reamer support (5) afterbody rotates to be connected, be equipped with between hoisting device (2) top and the bottom can promote telescoping device (21) at reamer support (5) afterbody, telescoping device (21) include cylinder body (211) and can contract telescopic link (212) in cylinder body (211), cylinder body (211) embedding in hull (1), cylinder body (211) bottom fixed mounting in on bottom plate (12), cylinder body (211) top with deck (11) parallel and level, the length of telescopic link (212) is less than the length of cylinder body (211), reamer support (5) head suspension is in a wire rope (3) one end, the wire rope (3) other end is connected with winch (4).
2. The cutter suction dredger with reamer holder lift device of claim 1, wherein: the upper portion of the lifting device (2) is provided with a supporting plate (22), the supporting plate (22) is provided with a supporting seat (221), and the supporting seat (221) is provided with a mounting hole (222) rotationally connected with the tail of the reamer bracket (5).
3. The cutter suction dredger with reamer holder lift device of claim 2, wherein: the lifting device (2) further comprises a guide rod (25), the guide rod (25) is parallel to the telescopic rod (212) and fixedly installed on the ship body (1), the upper portion of the guide rod (25) penetrates through the supporting plate (22), and the supporting plate (22) slides on the guide rod (25).
4. The cutter suction dredger with reamer holder lift device of claim 3, wherein: the number of the guide rods (25) is two, and the guide rods are symmetrically arranged on two sides of the supporting seat (221).
5. The cutter suction dredger with reamer holder lift device of claim 2, wherein: the number of the telescopic devices (21) is two, and the telescopic devices are symmetrically arranged on two sides of the supporting seat (221).
6. The cutter suction dredger with reamer holder lift device of claim 2, wherein: the supporting plate (22) is also provided with a travel sensor (223) for detecting the telescopic length of the telescopic device (21).
7. The cutter suction dredger with reamer holder lift device of claim 2, wherein: a locking mechanism is arranged between the supporting plate (22) and the ship body (1).
8. The cutter suction dredger with reamer holder lift device of claim 1, wherein: the telescopic device (21) is a hydraulic cylinder, the cylinder body (211) is a hydraulic cylinder body, and the telescopic rod (212) is a hydraulic cylinder piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128602.5A CN107882091B (en) | 2017-11-15 | 2017-11-15 | Cutter suction dredger with reamer bracket lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128602.5A CN107882091B (en) | 2017-11-15 | 2017-11-15 | Cutter suction dredger with reamer bracket lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107882091A CN107882091A (en) | 2018-04-06 |
| CN107882091B true CN107882091B (en) | 2023-09-29 |
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ID=61777217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711128602.5A Active CN107882091B (en) | 2017-11-15 | 2017-11-15 | Cutter suction dredger with reamer bracket lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882091B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835934A (en) * | 2019-10-16 | 2020-02-25 | 广州文冲船厂有限责任公司 | Dredger ship |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203546782U (en) * | 2013-09-18 | 2014-04-16 | 福建省马尾造船股份有限公司 | Cutter-suction device |
| CN106522296A (en) * | 2016-11-22 | 2017-03-22 | 广州文冲船厂有限责任公司 | Transverse movement control method for cutter-suction dredger without transverse movement anchor |
| CN207685885U (en) * | 2017-11-15 | 2018-08-03 | 广州文冲船厂有限责任公司 | A kind of cutter suction dredger with reamer support lift device |
-
2017
- 2017-11-15 CN CN201711128602.5A patent/CN107882091B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203546782U (en) * | 2013-09-18 | 2014-04-16 | 福建省马尾造船股份有限公司 | Cutter-suction device |
| CN106522296A (en) * | 2016-11-22 | 2017-03-22 | 广州文冲船厂有限责任公司 | Transverse movement control method for cutter-suction dredger without transverse movement anchor |
| CN207685885U (en) * | 2017-11-15 | 2018-08-03 | 广州文冲船厂有限责任公司 | A kind of cutter suction dredger with reamer support lift device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107882091A (en) | 2018-04-06 |
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