CN212738437U

CN212738437U - Two side lift systems of dredge boat spud

Info

Publication number: CN212738437U
Application number: CN202021311185.5U
Authority: CN
Inventors: 王建敏; 周峰
Original assignee: Zhengzhou Tsc Offshore Equipment Co ltd
Current assignee: Zhengzhou Tsc Offshore Equipment Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-19
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a bilateral lifting system for a dredger positioning pile, which comprises a positioning pile, a guide sleeve and two groups of lifting devices which are arranged on a dredger and are positioned at bilateral symmetrical positions of the guide sleeve; every elevating gear of group all includes setting up frame, the driving motor and the lifting gear of setting in the frame on the dredger, is equipped with the rack of vertical direction in the bilateral symmetry position of spud pile, has seted up the guide way in uide bushing both sides, and the lifting gear of both sides passes the guide way that corresponds respectively and the lifting gear meshing in the outside. The utility model discloses a location, solid stake and the lifting function of dredger spud pile are reasonable in design, compact structure, bearing capacity height, installation dismantlement convenience and safe and reliable's novel spud pile elevation structure.

Description

Two side lift systems of dredge boat spud

Technical Field

The utility model relates to a dredge technical field, concretely relates to two side lift systems of dredge boat spud.

Background

The dredger is used for underwater construction of earth and stone, dredging water channels and river silt, filling sea and making land, and specifically comprises the following steps: digging, widening and cleaning the existing channel and port; excavating new channels, ports and canals; dredging the foundation trench of wharfs, docks, ship locks and other hydraulic buildings, throwing excavated sediment into deep sea or filling land depression for field construction and the like.

The dredger needs the fixed point when carrying out work, and specific positioning mechanism mostly is the spud, and during the submarine earth was inserted through transferring the steel pile to boats and ships target in place promptly to realize the fixed position of boats and ships, boats and ships can carry out work in certain region after the location.

The positioning pile can be lifted in various ways: (1) the hoisting modes of the winch, the steel wire rope, the pulley and the hoisting frame are adopted; (2) the hoisting mode of the pulleys is arranged at the lower parts of the winch, the steel wire rope and the positioning pile; (3) a hydraulic oil cylinder, a steel wire rope, a pulley, a clamp and a lifting mode of lifting equipment. The steel wire rope is easy to damage due to factors such as friction and the like, the pile is easy to slide, and potential safety hazards exist when the steel wire rope is used for lifting the positioning pile. When the hydraulic oil cylinder is adopted, the stroke of the hydraulic oil cylinder is limited, the lifting height of the positioning pile can be realized only by lifting the hydraulic oil cylinder for many times, the steel pile is supported by the clamping device at the stroke end point of the hydraulic oil cylinder, and meanwhile, proper lifting equipment is required to be arranged.

Disclosure of Invention

The utility model aims at providing a reasonable in design, compact structure, installation dismantle convenient and safe and reliable's dredger spud pile operating system.

The utility model adopts the following technical scheme:

designing a bilateral lifting system of a dredger positioning pile, which comprises the positioning pile arranged at the stern of a dredger, wherein through holes are formed in corresponding positions of a stern main deck and a bottom of the dredger, a vertical cylindrical hollow guide sleeve is fixedly arranged above the through holes, the positioning pile vertically penetrates through the guide sleeve, and the lower end of the positioning pile extends to the bottom of the dredger;

vertical guide grooves are formed in the side walls of the guide sleeves symmetrically, lifting devices are arranged on the main deck of the dredger and located on the outer sides of the two guide grooves respectively, each lifting device comprises a rack, a driving motor arranged on the rack and a lifting gear correspondingly connected with an output shaft of the driving motor, vertical racks are arranged on the two sides of the outer wall of the positioning pile symmetrically, and the outer sides of the two racks penetrate through the corresponding guide grooves respectively and are meshed with the lifting gears.

Preferably, the positioning pile comprises a pile body with a hollow structure, a tip arranged on the pile head at the bottom end of the pile body, a flying wing arranged on the outer side of the tip, and a lifting lug arranged at the top end of the pile body.

Preferably, the module of the rack is the same as that of the lifting gear.

Preferably, the driving motor is connected with the lifting gear through a speed reducer; and a brake is also arranged on the driving motor.

Preferably, cantilever supports are respectively arranged above the tops of the racks on the two sides, upper limit switches are respectively arranged on the cantilever supports, and upper contact blocks matched with the upper limit switches are respectively arranged at the upper ends of the racks on the two sides.

Preferably, the positions, corresponding to the racks on the two sides, on the main deck of the dredger are respectively provided with a lower limit switch, and the lower ends of the racks on the two sides are respectively provided with a lower contact block matched with the lower limit switch.

In the above technical scheme, through setting up elevating gear in spud pile both sides, the pile pressing and the location of spud pile realize the process as follows: the driving motor drives the lifting gear to rotate, the rack is driven to move downwards under the meshing action of the lifting gear, the positioning pile is vertically placed, after the positioning pile is inserted into underwater soil, the braking force is applied through the brake at the tail of the motor, and the dredger is locked and fixed with the positioning pile through the meshing of the lifting gear and the rack tooth portion. When the positioning pile is lifted, the driving motor drives the lifting gear to rotate reversely, the rack is driven to move upwards under the meshing action of the lifting gear, the vertical lifting of the positioning pile is achieved, after the positioning pile is lifted to a preset height, the braking force is applied through the brake at the tail of the motor, and the dredger is locked and fixed with the positioning pile through the meshing of the lifting gear and the tooth part of the rack.

When the positioning pile moves downwards to a certain position, the upper contact block is contacted with the upper limiting switch to generate a switching signal, and the driving motor is controlled to stop running immediately, so that safety accidents caused by the fact that the rack is separated from the lifting gear are avoided; similarly, when the positioning pile ascends to a certain position, the lower contact block is contacted with the lower limit switch to generate a switch signal, and the driving motor is controlled to stop running immediately.

The beneficial effects of the utility model reside in that:

the utility model discloses a location of spud, pile pressing and carry a function is a reasonable in design, compact structure, bearing capacity height, installation dismantle convenient and safe and reliable's novel spud operating system structure.

Through set up elevating gear in spud both sides, adopt driving motor to drive lifting gear and rotate, realize the lift of spud through rack and pinion transmission. The positioning pile is locked and fixed by the braking action of the brake, so that the positioning pile stays at the required height, and the efficiency and the safety are realized.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a left side view of the present invention.

Reference numbers in the figures: the device comprises a speed reducer 1, a driving motor 2, a brake 3, a rack 4, a positioning pile 5, a guide sleeve 6, a rack 7, a cantilever support 8, a lifting gear 9, an upper contact block 10, an upper limit switch 11, a lower limit switch 12, a dredger 13, a lower contact block 14, a tip 15, a fin 16 and a lifting lug 17.

Detailed Description

The following examples are provided only for illustrating the embodiments of the present invention in detail and are not intended to limit the scope of the present invention in any way.

Example 1: a double-side lifting system of a dredger spud is disclosed, referring to figures 1-3, and comprises a spud (5) arranged at the stern of a dredger (13), through holes are formed in corresponding positions of a stern main deck and a bottom of the dredger (13), a vertical cylindrical hollow guide sleeve (6) is fixedly arranged above the through holes, the spud (5) vertically penetrates through the guide sleeve (6), and the lower end of the spud extends to the bottom of the dredger.

Vertical guide grooves are formed in the symmetrical positions on the side wall of the guide sleeve (6) respectively, lifting devices are arranged on the positions, located on the two sides of the two guide grooves, of a main deck of the dredger (13) respectively, each lifting device comprises a rack (4), a driving motor (2) arranged on the rack and a lifting gear (9) connected with the driving motor (2) in a corresponding mode, vertical racks (7) are arranged on the symmetrical positions, located on the two sides of the outer wall of the positioning pile (5), of the two racks (7) respectively penetrate through the corresponding guide grooves and are meshed with the lifting gears (9), and the modulus of the racks (7) is the same as that of the lifting gears (9). The driving motor (2) is connected with the lifting gear (9) through the speed reducer (1); and a brake (3) is also arranged on the driving motor (2). The driving motor 2 drives the whole positioning pile 5 to vertically move up and down in the guide sleeve 6 through the meshing action of the lifting gear 9 and the rack 7.

The positioning pile (5) comprises a pile body with a hollow structure, a tip end (15) arranged on a pile head at the bottom end of the pile body, a flying wing (16) arranged on the outer side of the tip end (15), and a lifting lug (17) arranged at the top end of the pile body, wherein the tip end (15) is of a solid structure.

Cantilever supports (8) are respectively arranged above the tops of the racks (4) on the two sides, upper limit switches (11) are respectively arranged on the cantilever supports (8), and upper contact blocks (10) matched with the upper limit switches (11) are respectively arranged at the upper ends of the racks (7) on the two sides. Lower limit switches (12) are respectively arranged on the main deck of the dredger (13) corresponding to the positions of the racks (7) on the two sides, and lower contact blocks (14) matched with the lower limit switches (12) are respectively arranged at the lower ends of the racks (7) on the two sides.

The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified.

The utility model discloses dredger spud pile operating system's concrete working method does:

when the pile pressing and the positioning of the positioning pile are needed to be realized, the driving motor drives the lifting gear to rotate, the rack is driven to move downwards under the meshing action of the lifting gear, the positioning pile is vertically placed, after the positioning pile is inserted into underwater soil, the braking force is applied through the brake at the tail of the motor, and the dredger is locked and fixed with the positioning pile through the meshing of the lifting gear and the tooth part of the rack.

When the positioning pile needs to be lifted, the driving motor drives the lifting gear to rotate reversely, the rack is driven to move upwards under the meshing action of the lifting gear, the vertical lifting of the positioning pile is achieved, after the positioning pile is lifted to a preset height, the braking force is applied through the brake at the tail of the motor, and the dredging boat and the positioning pile are locked and fixed through the meshing of the lifting gear and the rack tooth portion.

The lifting device can be arranged on the mounting platform in a detachable mode, can be arranged into one layer, and can be designed into multiple layers according to actual requirements so as to meet the load requirements of the positioning pile. The utility model discloses both can realize the pile fixing and the raising and lowering functions of spud, can simplify system's mechanism again, be a reasonable in design, compact structure, bearing capacity height, installation dismantle convenient and safe and reliable's novel spud operating system structure.

The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the above embodiments, and can be modified or changed within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A bilateral lifting system of a dredger positioning pile is characterized by comprising a positioning pile (5) arranged at the stern of a dredger (13), through holes are formed in corresponding positions of a stern main deck and the bottom of the dredger (13), a vertical cylindrical hollow guide sleeve (6) is fixedly arranged above the through holes, the positioning pile (5) vertically penetrates through the guide sleeve (6), and the lower end of the positioning pile extends to the bottom of the dredger;

vertical guide grooves are formed in the symmetrical positions on the side wall of the guide sleeve (6) respectively, lifting devices are arranged at the positions, located on the two sides of the two guide grooves, of a main deck of the dredger (13) respectively, each lifting device comprises a rack (4), a driving motor (2) arranged on the rack and a lifting gear (9) connected with the driving motor (2) in a corresponding mode, vertical racks (7) are arranged at the symmetrical positions of the two sides of the outer wall of the positioning pile (5) respectively, and the outer sides of the two racks (7) penetrate through the corresponding guide grooves respectively and are meshed with the lifting gears (9).

2. A double sided elevating system of a dredger spud according to claim 1, characterized in that the spud (5) comprises a hollow structured body, a tip (15) arranged at the bottom end of the body, a fin (16) arranged outside the tip (15), and a lifting lug (17) arranged at the top end of the body, the tip (15) being of solid construction.

3. A dredger spud double sided lifting system according to claim 1, characterized in that the module of the rack (7) is the same as the module of the lifting gear (9).

4. The double-sided lifting system for the dredge boat spud according to claim 1, characterized in that the driving motor (2) is connected with the lifting gear (9) through a reducer (1); and a brake (3) is also arranged on the driving motor (2).

5. The double-side lifting system for the dredger spud according to claim 1, characterized in that a cantilever support (8) is provided above the top of each of the two side frames (4), an upper limit switch (11) is provided on each cantilever support (8), and an upper contact block (10) engaged with the upper limit switch (11) is provided at the upper end of each of the two side racks (7).

6. The double-sided lifting system for the dredge boat spud according to claim 1 is characterized in that a lower limit switch (12) is respectively arranged on the main deck of the dredge boat (13) corresponding to the positions of the racks (7) on the two sides, and lower contact blocks (14) matched with the lower limit switches (12) are respectively arranged at the lower ends of the racks (7) on the two sides.