CN111364432A

CN111364432A - A ship lock for navigation building's overload prevention

Info

Publication number: CN111364432A
Application number: CN202010186855.3A
Authority: CN
Inventors: 郭敏琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-07-03

Abstract

The invention relates to an overload-proof ship lock for a navigation building, which comprises a lock chamber and gate mechanisms arranged at two ends of the lock chamber, wherein each gate mechanism comprises a gate opening, a gate plate, a lifting component and a support component, an auxiliary mechanism is arranged between the two gate mechanisms, the support component comprises a strip-shaped opening, a driving component and two floating components, the auxiliary mechanism comprises a floating plate, two second floating blocks and two moving components, each moving component comprises a conveying belt, a vertical rod and a connecting unit, the overload-proof ship lock for the navigation building is acted by the driving component in the gate mechanism, the first floating block is positioned below the liquid level through a telescopic component, the gate plate is supported by buoyancy force borne by the first floating block, the second floating block and the floating plate are driven by the auxiliary mechanism to move, the second floating block is moved to the position below the first floating block, the supporting force for the gate plate is increased, and the load of the lifting component is reduced, and the overload operation of the equipment is avoided, and the safe and reliable operation of the equipment is ensured.

Description

A ship lock for navigation building's overload prevention

Technical Field

The invention relates to the field of ship locks, in particular to an overload prevention ship lock for a navigation building.

Background

Ship lock, refers to a kind of "navigation building". In natural rivers, because of the regulation of flow, canalization navigation and the restriction of topographic conditions and water surface gradient on the canal, a step-shaped vertical section is required to form a concentrated water surface drop. The vessel must be moved directly through the drop by means of a special navigable building. Modern navigable buildings are most commonly used in ship locks. It is a box-shaped structure, consisting of upstream and downstream navigation channels and upstream and downstream gate head connecting chambers. The lock chamber is a chamber-shaped chamber for berthing a ship (or a fleet), and the water level in the lock chamber is adjusted by filling water or draining water in the lock chamber, so that the ship vertically ascends and descends between upstream and downstream water levels, and the water level difference of a concentrated channel is passed. When boats and ships went upstream by the low reaches, indoor water level falls to flushing with the low reaches water level, then opens the gate of low reaches lock head, and the lock room is gone into to the ship, closes the gate, and the watering is waited that the water level rises to flush the back with the upper reaches water level, opens the lock head gate of upper reaches, and the ship can go out the floodgate and navigate to the upper reaches through upper reaches approach channel. When the ship runs from upstream to downstream, the brake-passing operation procedure is opposite to the brake-passing operation procedure.

At present, the lock gate mainly has vertical type plane steel gate and radial gate, and these gates all adopt the single block body greatly, and the door body is too high, and the door storehouse is darker, leads to the quality of the single block body big on the contrary, and hydraulic hoist probably has the condition of transshipping or power not enough at control gate lift removal in-process, influences opening and close of gate, leads to current lock load too big, and the practicality reduces.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, an overload prevention ship lock for a navigation building is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an overload prevention ship lock for a navigation building comprises a lock chamber and gate mechanisms arranged at two ends of the lock chamber, wherein a processor is arranged at the top in the lock chamber, a PLC is arranged in the processor, each gate mechanism comprises a gate opening, a gate plate, a lifting assembly and a supporting assembly, the bottom of each gate plate is abutted against the bottom of the gate opening, the top of each gate plate is connected with the top of the gate opening through the lifting assembly, the supporting assembly is arranged on the gate plate, and an auxiliary mechanism is arranged between the two gate mechanisms;

the supporting assembly comprises a strip-shaped opening, a driving assembly and two floating assemblies, the strip-shaped opening is horizontally arranged at the upper part of the flashboard, the driving assembly is positioned at the inner side of the strip-shaped opening, the two floating assemblies are respectively positioned at two sides of the flashboard, the floating assemblies comprise a first floating block and two telescopic units, each telescopic unit comprises a moving block, a fixed block, a telescopic frame, a sliding block and a sliding rail, the driving assembly is in transmission connection with the moving block, the fixed block is fixed on the flashboard, two sides of the bottom end of the telescopic frame are respectively hinged with the sliding block and the first floating block, the sliding rail is U-shaped, two ends of the sliding rail are fixed above the first floating block, and the sliding block is sleeved on;

the utility model discloses a gate mechanism, including the gate mechanism, the gate mechanism is connected to the bottom of montant, the complementary unit is connected with the gate mechanism, the complementary unit includes kickboard, two second floating blocks and two removal subassemblies, and two second floating blocks are fixed respectively in the both sides that are close to two gate mechanisms of kickboard, the both ends of kickboard are connected with the indoor top of floodgate through two removal subassemblies respectively, the removal subassembly includes conveyer belt, montant and linking unit, the conveyer belt sets up the top in the floodgate, the conveyer belt is connected with the PLC electricity, the montant is fixed in the below of conveyer belt, the bottom of montant is connected with the kickboard through linking unit, the length of kickboard is greater than the length of first floating block, the length of first.

Preferably, in order to control the gate plate to move up and down, the lifting assembly comprises two lifting units, each lifting unit comprises a notch and a hydraulic hoist, each notch is arranged above the gate plate, the hydraulic hoist is electrically connected with the PLC, and two ends of the hydraulic hoist are respectively connected with the top in the gate plate and the bottom in the notch.

Preferably, in order to ensure stable lifting movement of the gate plate, two side walls of the gate opening are provided with slideways, and the gate plate is in sliding connection with the slideways.

Preferably, in order to drive the two moving blocks to move in opposite directions simultaneously, the driving assembly comprises a motor and two driving units, the motor is electrically connected with the PLC, the motor is located between the two driving units, the driving units correspond to the telescopic units one to one, each driving unit comprises a bearing, a lead screw and a moving plate, the moving blocks are fixed below the moving plates, the motor and the bearings are fixed in the bar-shaped openings, the motor is in transmission connection with one end of the lead screw, the other end of the lead screw is arranged in the bearing, the moving plates are sleeved on the lead screw, and a thread matched with the lead screw is arranged at the connection position of the moving plates and the lead screw.

Preferably, in order to ensure the moving stability of the moving plate, slide bars are arranged at the upper end and the lower end of the moving plate, the moving plate is sleeved on the slide bars, and the slide bars are fixed in the bar-shaped openings.

Preferably, in order to avoid the corrosion of the screw rod, the screw rod is provided with an anti-corrosion zinc coating.

Preferably, the motor is a dc servo motor in order to secure a driving force of the motor.

Preferably, in order to facilitate the connection between the vertical rod and the floating plate, the connecting unit comprises a connecting block and a fixing unit, the bottom end of the vertical rod is connected with the connecting block through the fixing unit, and the longitudinal section of the connecting block is in a U shape facing the floating plate.

As preferred, in order to connect linking piece and kickboard for the convenience, fixed unit includes cylinder and support, the cylinder is connected with the PLC electricity, the cylinder body of cylinder is fixed in the bottom of montant, the cylinder body of cylinder passes through support and links up piece fixed connection, the kickboard top is equipped with the blind hole, the top of linking the piece is equipped with the trompil, the gas pole of cylinder passes the trompil and inserts in the blind hole.

Preferably, in order to prevent the second floating block from being separated from the first floating block when the gate plate moves up and down, the upper surface of the second floating block is inclined upwards, and the first floating block is matched with the second floating block.

The anti-overload ship lock for the navigation building has the advantages that the first floating block is positioned below the liquid level through the telescopic component under the action of the driving component in the gate mechanism, the flashboard is supported by buoyancy force borne by the first floating block, and the second floating block and the floating board are driven to move by the auxiliary mechanism, so that the second floating block moves to the position below the first floating block, the supporting force for the flashboard is increased, the load of the lifting component is reduced, the overload operation of equipment is avoided, and the safe and reliable operation of the equipment is ensured.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of an overload prevention ship lock for a navigable building according to the present invention;

fig. 2 is a schematic structural view of a gate mechanism of an overload prevention ship lock for a navigable building according to the present invention;

FIG. 3 is a schematic view of the mating structure of the floating plate and the engagement unit of the overload prevention ship lock for a navigable building according to the present invention;

FIG. 4 is a longitudinal sectional view of a mating structure of a floating plate and a joining unit of an overload preventing ship lock for a navigable building according to the present invention;

in the figure: 1. the device comprises a brake chamber, 2, a processor, 3, a flashboard, 4, a first floating block, 5, a moving block, 6, a fixed block, 7, a telescopic frame, 8, a sliding block, 9, a sliding rail, 10, a floating plate, 11, a second floating block, 12, a conveyor belt, 13, a vertical rod, 14, a hydraulic hoist, 15, a slide way, 16, a motor, 17, a bearing, 18, a lead screw, 19, a moving plate, 20, a sliding rod, 21, an engagement block, 22, an air cylinder and 23, and a support.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an overload prevention ship lock for a navigable building comprises a lock chamber 1 and gate mechanisms arranged at two ends of the lock chamber 1, wherein a processor 2 is arranged at the top in the lock chamber 1, a PLC is arranged in the processor 2, the gate mechanisms comprise gates, gate plates 3, lifting components and support components, the bottoms of the gate plates 3 are abutted against the bottoms of the gates, the tops of the gate plates 3 are connected with the tops of the gates through the lifting components, the support components are arranged on the gate plates 3, and an auxiliary mechanism is arranged between the two gate mechanisms;

a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

Two gate mechanisms of ship lock accessible pass in and out lock room 1 respectively, before passing in and out lock room 1, managers 'accessible cell-phone, remote control unit such as computer sends radio signal to treater 2, after receiving radio signal by the inside antenna of treater 2, give PLC with the signal transmission, PLC is according to the signal content, controlgear moves, utilize lifting unit among the auxiliary mechanism help gate mechanism to drive 3 rebound of flashboard, reduce the load that drives 3 rebound of flashboard, avoid equipment to transship, utilize supporting component to provide ascending holding power to 3 flashboards simultaneously, lifting unit's load when further carrying out 3 rebound of flashboard, thereby guarantee the safe and reliable operation of equipment.

As shown in fig. 2, the support assembly includes a bar-shaped opening, a driving assembly and two floating assemblies, the bar-shaped opening is horizontally disposed at the upper portion of the flashboard 3, the driving assembly is located at the inner side of the bar-shaped opening, the two floating assemblies are respectively located at two sides of the flashboard 3, the floating assembly includes a first floating block 4 and two telescopic units, the telescopic units include a moving block 5, a fixed block 6, a telescopic frame 7, a sliding block 8 and a sliding rail 9, the driving assembly is in transmission connection with the moving block 5, the fixed block 6 is fixed on the flashboard 3, two sides of the bottom end of the telescopic frame 7 are respectively hinged with the sliding block 8 and the first floating block 4, the sliding rail 9 is U-shaped, two ends of the sliding rail 9 are fixed above the first floating block 4, and the sliding block 8 is;

when lifting unit drives 3 rebound of flashboard, by the intraoral drive assembly effect of 3 bars of flashboard, the subassembly operation that floats of drive both sides, two movable blocks 5 keep away from each other in the subassembly that floats, make movable block 5 be close to fixed block 6 and remove in the flexible unit, slider 8 of expansion bracket 7 bottom removes along slide rail 9, thereby make expansion bracket 7 length increase, and then guarantee that first kicking block 4 is located the surface of water below, the buoyancy that receives by first kicking block 4 provides ascending supporting force to flashboard 3, and then reduce the required load of lifting unit rebound, avoid lifting unit to transship.

As shown in fig. 3-4, the auxiliary mechanism includes a floating plate 10, two second floating blocks 11 and two moving assemblies, the two second floating blocks 11 are respectively fixed on two sides of the floating plate 10 close to the two gate mechanisms, two ends of the floating plate 10 are respectively connected with the top of the gate chamber 1 through the two moving assemblies, the moving assemblies include a conveyor belt 12, a vertical rod 13 and a connecting unit, the conveyor belt 12 is arranged on the top of the gate chamber 1, the conveyor belt 12 is electrically connected with the PLC, the vertical rod 13 is fixed below the conveyor belt 12, the bottom end of the vertical rod 13 is connected with the floating plate 10 through the connecting unit, the length of the floating plate 10 is greater than that of the first floating block 4, and the length of the first floating block 4 is greater than that of the second floating block 11.

When needs are to certain flashboard 3 rebound, PLC control conveyer belt 12 starts, it is close to this flashboard 3 to drive kickboard 10 through montant 13, make second kicking block 11 of kickboard 10 one side press close to the flashboard 3 after, loosen second kicking block 11 through linking up the unit, second kicking block 11 floats upwards, contact with first kicking block 4, produce ascending effort to first kicking block 4 through second kicking block 11, thereby produce ascending holding power to flashboard 3, required load when reducing lifting unit drive flashboard 3 rebound, overload when avoiding equipment operation. Still can the fixed kickboard 10 of centre gripping through linking up the unit, after flashboard 3 goes up and down to finish, drive first kicking block 4 downstream through flexible unit by drive assembly for after second kicking block 11 downstream to initial altitude position, conveyer belt 12 drives montant 13 and is close to second kicking block 11, utilizes to link up the unit and makes second kicking block 11 be connected with montant 13.

Preferably, in order to control the lifting movement of the gate 3, the lifting assembly comprises two lifting units, each lifting unit comprises a notch and a hydraulic hoist 14, the notch is arranged above the gate 3, the hydraulic hoist 14 is electrically connected with the PLC, and two ends of the hydraulic hoist 14 are respectively connected with the top in the gate and the bottom in the notch. The PLC controls the hydraulic hoist 14 to operate, and can act on the bottom in the notch to drive the flashboard 3 to lift and move.

Preferably, in order to ensure the stable lifting movement of the gate plate 3, two side walls of the gate opening are provided with slideways 15, and the gate plate 3 is connected with the slideways 15 in a sliding manner. With the fixed-position slide 15, the moving direction of the shutter 3 is fixed, so that the shutter 3 maintains a stable elevating movement.

As shown in fig. 2, the driving assembly includes a motor 16 and two driving units, the motor 16 is electrically connected to the PLC, the motor 16 is located between the two driving units, the driving units correspond to the telescopic units one to one, the driving units include a bearing 17, a screw rod 18 and a moving plate 19, the moving block 5 is fixed below the moving plate 19, the motor 16 and the bearing 17 are both fixed in a bar-shaped opening, the motor 16 is in transmission connection with one end of the screw rod 18, the other end of the screw rod 18 is arranged in the bearing 17, the moving plate 19 is sleeved on the screw rod 18, and a screw thread matched with the screw rod 18 is arranged at a connection part of the moving plate 19 and the screw rod 18.

The PLC controls the motor 16 to start, the lead screws 18 on the two sides are driven to rotate under the supporting effect of the bearings 17, and the lead screws 18 act on the moving plate 19 through threads, so that the moving plate 19 moves along the axis of the lead screws 18, and the moving block 5 is driven to move horizontally.

Preferably, in order to ensure the moving stability of the moving plate 19, sliding rods 20 are arranged at the upper end and the lower end of the moving plate 19, the moving plate 19 is sleeved on the sliding rods 20, and the sliding rods 20 are fixed in the strip-shaped openings. The moving direction of the moving plate 19 is fixed by the fixed position of the slide bar 20 passing through the moving plate 19.

Preferably, in order to avoid the corrosion of the screw rod 18, the screw rod 18 is provided with an anti-corrosion zinc coating. The lead screw 18 is isolated by the anti-corrosion zinc coating, so that the lead screw 18 is prevented from being corroded to influence the transmission connection with the moving block 5.

Preferably, the motor 16 is a dc servo motor in order to ensure the driving force of the motor 16 by utilizing the characteristic that the driving force of the dc servo motor is strong.

As shown in fig. 4, the joining unit includes a joining block 21 and a fixing unit, the bottom end of the vertical rod 13 is connected with the joining block 21 through the fixing unit, and the longitudinal section of the joining block 21 is U-shaped toward the floating plate 10.

When the connection and separation between the connection block 21 and the floating plate 10 can be realized by using the fixing unit, when the floating plate 10 and the second floating block 11 are required to support the first floating block 4, the vertical rod 13 and the connection block 21 are separated by using the fixing unit, then the vertical rod 13 is driven by the conveyor belt 12 to move, so that the connecting block 21 is separated from the floating plate 10, the floating plate 10 and the second floating block 11 are convenient to support the first floating block 4, after the gate plate 3 is lifted, the height of the first floating block 4 can be adjusted through the telescopic unit, so that the vertical rod 13 is driven by the conveyor belt 12 to move after the dehumidifying height position of the second floating block 11 is recovered, after the connecting block 21 is sleeved at the height of the second floating block 11, the connection between the connecting block 21 and the floating plate 10 is realized through the fixing unit, then the telescopic unit drives the first floating block 4 to move upwards, so that the conveying belt 12 can rotate conveniently, and the floating plate 10 and the second floating block 11 are driven to move through the vertical rod 13 and the connecting block 21.

As shown in fig. 3-4, the fixing unit includes a cylinder 22 and a bracket 23, the cylinder 22 is electrically connected to the PLC, a cylinder body of the cylinder 22 is fixed to the bottom end of the vertical rod 13, the cylinder body of the cylinder 22 is fixedly connected to the connection block 21 through the bracket 23, a blind hole is formed above the floating plate 10, an opening is formed in the top of the connection block 21, and an air rod of the cylinder 22 penetrates through the opening and is inserted into the blind hole.

Utilize cylinder 22 to realize linking up the fixed connection between piece 21 and the montant 13, after linking up piece 21 cover and make the trompil on linking up piece 21 and the blind hole on the kickboard 10 align on kickboard 10, PLC control cylinder 22 starts for the air stem downstream passes the trompil and stretches into in the blind hole, can realize linking up the fixed connection of piece 21 and kickboard 10.

Preferably, in order to prevent the second floating block 11 from being separated from the first floating block 4 when the shutter 3 is moved up and down, the upper surface of the second floating block 11 is inclined upward, and the first floating block 4 is engaged with the second floating block 11. Adopt this kind of shape design, can avoid second kicking block 11 to break away from first kicking block 4, support 3 in-processes of flashboard, the first kicking block 4 lower surfaces of second kicking block 11 upper surface laminating all the time, realize the stable support to flashboard 3.

This lock is when control gate is opened, can be rotated by conveyer belt 12, it removes to drive kickboard 10 through montant 13 and linking piece 21, make second kickboard 11 on the kickboard 10 be located the lower surface of first kickboard 4, then fixed unit makes linking piece 21 and the separation of second kickboard 11, first kickboard 4 is supported through buoyancy to second kickboard 11, make first kickboard 4 produce ascending holding power to flashboard 3, and act on the floating assembly of both sides through drive assembly, make first kickboard 4 be located the liquid level below all the time, the buoyancy that utilizes first kickboard 4 self to receive supports flashboard 3, thereby reduce the load that lifting unit drove 3 rebound of flashboard, prevent that equipment from moving over load, the practicality of equipment has been improved.

Compared with the prior art, this a ship lock for navigation building's overload protection passes through the drive assembly effect in the gate mechanism, make first kicking block 4 be in the liquid level below through flexible subassembly, the buoyancy that utilizes first kicking block 4 to receive supports flashboard 3, and drive second kicking block 11 and kickboard 10 by complementary unit and remove, make second kicking block 11 remove to the below of first kicking block 4, increase the holding power to flashboard 3, thereby reduce lifting unit's load, avoid equipment overload operation, guarantee equipment safe and reliable operation.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a ship lock for navigation building's overload prevention, includes lock chamber (1) and sets up the gate mechanism at lock chamber (1) both ends, its characterized in that: the top in the gate chamber (1) is provided with a processor (2), the processor (2) is internally provided with a PLC, the gate mechanism comprises a gate opening, a gate plate (3), a lifting assembly and a supporting assembly, the bottom of the gate plate (3) is abutted against the bottom of the gate opening, the top of the gate plate (3) is connected with the top of the gate opening through the lifting assembly, the supporting assembly is arranged on the gate plate (3), and an auxiliary mechanism is arranged between the two gate mechanisms;

the supporting component comprises a strip-shaped opening, a driving component and two floating components, the strip-shaped opening is horizontally arranged at the upper part of the flashboard (3), the driving component is positioned at the inner side of the strip-shaped opening, the two floating components are respectively positioned at the two sides of the flashboard (3), the floating component comprises a first floating block (4) and two telescopic units, the telescopic units comprise moving blocks (5), fixed blocks (6), telescopic frames (7), sliding blocks (8) and sliding rails (9), the driving component is in transmission connection with a moving block (5), the fixed block (6) is fixed on the flashboard (3), two sides of the bottom end of the telescopic frame (7) are respectively hinged with the sliding block (8) and the first floating block (4), the sliding rail (9) is U-shaped, two ends of the sliding rail (9) are fixed above the first floating block (4), and the sliding block (8) is sleeved on the sliding rail (9);

the auxiliary mechanism includes kickboard (10), two second floating blocks (11) and two removal subassemblies, and two second floating blocks (11) are fixed respectively in the both sides that are close to two gate mechanisms of kickboard (10), the both ends of kickboard (10) are connected with the top in floodgate room (1) through two removal subassemblies respectively, it includes conveyer belt (12), montant (13) and links up the unit to remove the subassembly, conveyer belt (12) set up the top in floodgate room (1), conveyer belt (12) are connected with the PLC electricity, the below at conveyer belt (12) is fixed in montant (13), the bottom of montant (13) is connected with kickboard (10) through linking up the unit, the length of kickboard (10) is greater than the length of first floating block (4), the length of first floating block (4) is greater than the length of second floating block (11).

2. The overload protection ship lock for navigable buildings according to claim 1, characterized in that: the lifting assembly comprises two lifting units, each lifting unit comprises a notch and a hydraulic hoist (14), the notches are arranged above the gate plates (3), the hydraulic hoists (14) are electrically connected with the PLC, and two ends of each hydraulic hoist (14) are respectively connected with the top in each gate plate and the bottom in each notch.

3. The overload protection ship lock for navigable buildings according to claim 1, characterized in that: be equipped with slide (15) on the both sides wall of gate opening, flashboard (3) and slide (15) sliding connection.

4. The overload protection ship lock for navigable buildings according to claim 1, characterized in that: the driving assembly comprises a motor (16) and two driving units, the motor (16) is electrically connected with the PLC, the motor (16) is located between the two driving units, the driving units correspond to the telescopic units one by one, each driving unit comprises a bearing (17), a screw rod (18) and a moving plate (19), the moving block (5) is fixed below the moving plate (19), the motor (16) and the bearing (17) are fixed in the strip-shaped opening, the motor (16) is in transmission connection with one end of the screw rod (18), the other end of the screw rod (18) is arranged in the bearing (17), the moving plate (19) is sleeved on the screw rod (18), and threads matched with the screw rod (18) are arranged at the connection part of the moving plate (19) and the screw rod (18).

5. The overload protection ship lock for navigable buildings according to claim 4, characterized in that: the upper end and the lower end of the moving plate (19) are respectively provided with a sliding rod (20), the moving plate (19) is sleeved on the sliding rods (20), and the sliding rods (20) are fixed in the strip-shaped openings.

6. The overload protection ship lock for navigable buildings according to claim 4, characterized in that: and an anti-corrosion zinc coating is arranged on the screw rod (18).

7. The overload protection ship lock for navigable buildings according to claim 4, characterized in that: the motor (16) is a direct current servo motor.

8. The overload protection ship lock for navigable buildings according to claim 1, characterized in that: the connection unit comprises a connection block (21) and a fixing unit, the bottom end of the vertical rod (13) is connected with the connection block (21) through the fixing unit, and the longitudinal section of the connection block (21) is in a U shape facing the floating plate (10).

9. The overload protection ship lock for navigable buildings according to claim 1, characterized in that: the fixed unit includes cylinder (22) and support (23), cylinder (22) are connected with the PLC electricity, the bottom at montant (13) is fixed to the cylinder body of cylinder (22), the cylinder body of cylinder (22) pass through support (23) and link up piece (21) fixed connection, kickboard (10) top is equipped with the blind hole, the top of linking up piece (21) is equipped with the trompil, the gas pole of cylinder (22) passes the trompil and inserts in the blind hole.

10. The overload protection ship lock for navigable buildings according to claim 1, characterized in that: the upper surface of the second floating block (11) inclines upwards, and the first floating block (4) is matched with the second floating block (11).