CN111994219A

CN111994219A - Floating type construction platform with adjustable buoyancy based on water conservancy construction

Info

Publication number: CN111994219A
Application number: CN202010881101.XA
Authority: CN
Inventors: 徐夕丰
Original assignee: Individual
Current assignee: Ding Zhaozhu
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-11-27
Anticipated expiration: 2040-08-27
Also published as: CN111994219B

Abstract

The invention discloses a floating type construction platform capable of adjusting buoyancy based on water conservancy construction, relates to the technical field of water conservancy construction, and solves the problems that the currently used platform does not have the function of adjusting and controlling the floating capacity and cannot rapidly adjust the buoyancy according to the inclination degree to achieve the function of balancing the platform. A floating type construction platform with adjustable buoyancy based on water conservancy construction comprises a main floating plate; the bottom integral type of main kickboard is provided with eight groups of pressure regulating storehouses, and twelve groups of through-holes have all been seted up to the bottom in pressure regulating storehouse, the bottom outside in pressure regulating storehouse is the fixed cambered surface filter screen that is provided with all, through being provided with pressure regulating storehouse and regulation platform, for the construction platform provides the balanced function of adjustment buoyancy, when the platform slope, the ball valve that control valve and gas storehouse A that the side of will sinking corresponds are connected is opened, cooperation bent axle A's rotation can be with during the pressure regulating storehouse is carried fast to the outside air, for pressure regulating storehouse air filling, increase the buoyancy of platform one side, make the platform become balanced.

Description

Floating type construction platform with adjustable buoyancy based on water conservancy construction

Technical Field

The invention relates to the technical field of water conservancy construction, in particular to a floating type construction platform with adjustable buoyancy based on water conservancy construction.

Background

When carrying out water conservancy construction, when operations such as building pier, need carry on a certain amount of material and construct in river center, need utilize the platform to load the material then construct, begin gradually now to research and develop the floating platform and provide convenience for the construction.

A search for, for example, patent No. CN106741646B discloses a floating platform comprising at least one standard mounting unit comprising: the device comprises a three-dimensional frame, an adjusting component, an anchor rope and at least one movable floating body; the movable floating body is arranged inside the three-dimensional frame; the adjusting component is used for adjusting the position of the movable floating body in the stereoscopic frame; an anchoring point is arranged on the three-dimensional frame; one end of the anchor rope is connected with the anchoring point, and the other end of the anchor rope is connected with a underwater fixing point. The floating platform provided by the invention has a regular structure and uniform part specifications. The standard installation units can be produced in batches in factories and assembled into the floating platform on site, so that the construction period is saved, the labor is saved, and the construction quality is easy to control.

However, the currently used platform does not have the function of regulating and controlling the floating capacity, the phenomenon of platform inclination may occur when carrying heavy objects, the function of platform balance cannot be achieved by quickly regulating the buoyancy according to the inclination degree, and the function of regulating and controlling the position of the platform by matching with water flow is not provided, so that the current requirements are not met, and a floating type construction platform with adjustable buoyancy based on water conservancy construction is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide a floating type construction platform with adjustable buoyancy based on water conservancy construction, and aims to solve the problems that the currently used platform in the background technology does not have the function of adjusting and controlling the floating capacity, the platform is inclined when carrying heavy objects, the buoyancy cannot be quickly adjusted according to the inclination degree to achieve the function of balancing the platform, and the platform does not have the function of adjusting and controlling the position of the platform by matching with water flow.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a floating type construction platform with adjustable buoyancy based on water conservancy construction comprises a main floating plate; the main floating plate also comprises a pressure regulating bin; eight groups of pressure regulating bins are integrally arranged at the bottom of the main floating plate, twelve groups of through holes are formed in the bottoms of the pressure regulating bins, and cambered surface filter screens are fixedly arranged on the outer sides of the bottoms of the pressure regulating bins; the middle of the bottom of the main floating plate is connected with a hanging rudder through an iron cable, and the hanging rudder is of a conical structure; a material plate is fixedly arranged at the top of the main floating plate, and a rubber pad is clamped between the material plate and the main floating plate; an adjusting platform is fixedly arranged at the top of the middle of the material plate; the adjusting table also comprises a shaft bracket, a main rotating shaft and a rocker; two groups of shaft brackets are integrally arranged on one side of the top of the adjusting table, and a main rotating shaft is rotatably arranged in each shaft bracket; a rocker is fixedly arranged at the outer end of the main rotating shaft; the top both sides of regulating station all are provided with gas storehouse A through four fixed being provided with of group's stand, and gas storehouse A's top all is provided with gas storehouse B through four fixed being provided with of group's stand, and the fixed link that is provided with in the middle of two sets of gas storehouse B's top.

Preferably, the main floating plate further comprises a sliding rod, a sealing cover and a piston plate; sealing covers are fixedly arranged at the tops of the pressure regulating bins, and silica gel sealing layers are arranged at the edges of the sealing covers in an adhering mode; sliding rods are rotatably arranged between the bottom of the inner side of the pressure regulating bin and the sealing cover; and piston plates are arranged on the outer sides of the sliding rods in a sliding mode.

Preferably, the flitch further comprises a central column tube, an upper column tube and an air bag; a central column pipe is integrally arranged in the middle of the top of the flitch, an upper column pipe is fixedly arranged at the top of the central column pipe through eight groups of stand columns, and an adjusting platform is fixed at the top of the upper column pipe; grooves are formed in the middle of the side of each flitch, and air bags are embedded in the grooves in a surrounding mode; the middle of the adjusting platform is of a hollow structure, the top of each sealing cover is provided with a hardening air pipe which is communicated with the bottom of the adjusting platform, and the parts of the hardening air pipes, which are positioned between the central column pipe and the upper column pipe, are provided with control valves.

Preferably, the adjusting platform further comprises a direction-control one-way valve; the both sides of transfer table set up two sets of tracheas respectively and are connected with two sets of gas storehouses A and two sets of gas storehouses B, and the transfer table all is connected with in the middle of tracheal two sets of gas storehouses A and two sets of gas storehouses B both sides and is provided with accuse to the check valve, and the accuse that gas storehouse A connects is to the check valve with the accuse that gas storehouse B is connected to the check valve direction of ventilating opposite, all is connected with the ball valve in the middle of the trachea of gas storehouse A and accuse to the check valve.

Preferably, the control valve further comprises a connecting pipe, an inner one-way valve, a control block, a reset rod and a jacking screw rod; the two sides of the control valve are both fixedly provided with connecting pipes, and the connecting sides of the connecting pipes are both of flat plate structures and are sealed with the two sides of the control valve by matching with rubber pads; the inner one-way valves are arranged in the connecting pipes, and one ends of the inner one-way valves, which are positioned in the control valves, are all arranged in an inclined plane structure; a reset rod is integrally arranged on the outer side of the control block, and the reset rods penetrate through the control valve and are sleeved with springs and are fixedly provided with blocking pieces; the middle of the outer side of the control valve is fixedly provided with a jacking screw rod through threaded connection; the control block is of a wedge-shaped structure, and the inclined planes on the two sides of the control block are the same as the inclined plane end angle of the inner one-way valve.

Preferably, a crankshaft A is rotatably arranged in the middle of the top of the adjusting table; the bottom of the connecting frame is rotatably provided with a crankshaft B, and the crankshaft B is connected with the crankshaft A through a connecting shaft; the middle parts of the two ends of the connecting shaft are both of an inner ratchet structure, and the rotating directions of the crankshaft B and the inner ratchet connected with the crankshaft A are opposite; the outer side of the connecting shaft is in transmission connection with the main rotating shaft through a bevel gear.

Preferably, the outer sides of the middle parts of the bent parts of the crankshaft B and the crankshaft A are both rotatably provided with sliding blocks, and the sliding blocks are both provided with strip-shaped frames in a sliding manner; three groups of piston rods are fixedly arranged on two sides of the strip-shaped frame, and the piston rods respectively penetrate through the two groups of air bins A and the two groups of air bins B to be fixedly provided with piston strips; the middle of the outer sides of the two groups of gas bins A and the two groups of gas bins B are respectively connected with a check valve, and the air inlet directions of the check valves connected with the gas bins A and the gas bins B are opposite.

Preferably, two groups of convex strips are fixedly arranged on the front side and the rear side of the top of the main floating plate, and the middle of each convex strip is rotatably provided with a hack lever through a rotating shaft; one side of each rack rod is rotatably provided with a lead screw by matching a rack body structure with a bearing, and the lead screws are externally provided with nuts and fixedly provided with connecting rods through hinged connection; the bottom of the outer end of each rack rod is rotatably provided with a strip-shaped rack through a rotating shaft; the connecting rods are hinged with one side of the convex strip; the bottom of each strip-shaped frame is rotatably provided with six groups of guide plates through a rotating shaft, and the top of the front side of each guide plate is rotatably arranged at the bottom of the main floating plate through the rotating shaft; the front sides of the guide plates are all set to be inclined plane structures.

(III) advantageous effects

The invention provides a floating type buoyancy-adjustable construction platform based on water conservancy construction, which is provided with a pressure regulating bin and a regulating platform, and provides a function of adjusting buoyancy balance for the construction platform.

Secondly, bent axle A and bent axle B are connected with the connecting axle through interior ratchet, and the positive and negative rotation of connecting axle can drive bent axle A and bent axle B rotation alone respectively, can not cause the influence to bent axle A when rotatory bent axle B to after closing gas chamber A's ball valve, can get rid of the gas in the pressure regulating storehouse fast through the reversal, will reset the level of platform after using up the material.

Moreover, the setting of bar frame and deflector provides the regulation and control function that adapts to rivers for the platform, can carry out position control with the bar frame through rotating lead screw cooperation connecting rod, further can carry out synchronous adjustment with the angle of each group's deflector, makes the platform remove through rivers, and control is convenient, can utilize rope cooperation deflector to fix the platform at the surface of water.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the embodiment of the present invention;

FIG. 3 is a partial perspective view of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of an adjusting table according to an embodiment of the present invention;

FIG. 5 is a schematic side view of an adjusting table according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a control valve in an embodiment of the present invention;

FIG. 7 is an enlarged partial structural view of part A in the embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of a portion B in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a main floating plate; 101. a pressure regulating bin; 102. a slide bar; 103. a sealing cover; 104. a piston plate; 2. hoisting a rudder; 3. hardening the trachea; 4. a material plate; 401. a central column tube; 402. an upper column tube; 403. an air bag; 5. an adjusting table; 501. a pedestal; 502. a main rotating shaft; 503. a rocker; 504. a direction control one-way valve; 6. a control valve; 601. a connecting pipe; 602. an inner check valve; 603. a control block; 604. a reset lever; 605. tightly pushing the screw; 7. a gas bin A; 8. a gas bin B; 9. a connecting frame; 10. a crankshaft A; 11. a crankshaft B; 12. a connecting shaft; 13. a bar frame; 14. a piston strip; 15. a convex strip; 16. a frame bar; 17. a lead screw; 18. a connecting rod; 19. a strip-shaped frame; 20. a guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a floating type construction platform with adjustable buoyancy based on water conservancy construction comprises a main floating plate 1; the main floating plate 1 also comprises a pressure regulating bin 101; eight groups of pressure regulating bins 101 are integrally arranged at the bottom of the main floating plate 1, twelve groups of through holes are formed in the bottoms of the pressure regulating bins 101, and cambered surface filter screens are fixedly arranged on the outer sides of the bottoms of the pressure regulating bins 101; wherein, the main floating plate 1 also comprises a sliding rod 102, a sealing cover 103 and a piston plate 104; sealing covers 103 are fixedly arranged at the tops of the pressure regulating bins 101, and silica gel sealing layers are arranged at the edges of the sealing covers 103 in an adhering mode; sliding rods 102 are rotatably arranged between the bottom of the inner side of the pressure regulating bin 101 and the sealing cover 103; the outer sides of the sliding rods 102 are provided with piston plates 104 in a sliding manner; the middle of the bottom of the main floating plate 1 is connected with a hanging rudder 2 through an iron cable, and the hanging rudder 2 is in a conical structure; a material plate 4 is fixedly arranged at the top of the main floating plate 1, and a rubber pad is clamped between the material plate 4 and the main floating plate 1; the top of the middle of the material plate 4 is fixedly provided with an adjusting platform 5; the adjusting table 5 further comprises a shaft bracket 501, a main rotating shaft 502, a rocker 503 and a direction control one-way valve 504; two sides of the adjusting platform 5 are respectively provided with two groups of air pipes which are connected with two groups of air bins A7 and two groups of air bins B8, the adjusting platform 5 is connected with the middles of the two groups of air bins A7 and the two groups of air pipes on two sides of the air bins B8 and is provided with a direction control one-way valve 504, the direction control one-way valve 504 connected with the air bin A7 and the direction control one-way valve 504 connected with the air bin B8 are opposite in ventilation direction, and ball valves are connected between the air pipes of the air bin A7 and the direction control one-way valve 504; two sets of shaft brackets 501 are integrally arranged on one side of the top of the adjusting table 5, and a main rotating shaft 502 is rotatably arranged in each shaft bracket 501; a rocker 503 is fixedly arranged at the outer end of the main rotating shaft 502; the flitch 4 further comprises a central column tube 401, an upper column tube 402 and an air bag 403; a central column tube 401 is integrally arranged in the middle of the top of the flitch 4, an upper column tube 402 is fixedly arranged at the top of the central column tube 401 through eight groups of stand columns, and an adjusting platform 5 is fixed at the top of the upper column tube 402; the middle of the side of the flitch 4 is provided with a groove, and the air bag 403 is embedded in the groove in a surrounding manner; the middle of the adjusting platform 5 is of a hollow structure, the top parts of the sealing covers 103 are respectively provided with a hardening air pipe 3 which is communicated with the bottom of the adjusting platform 5, and the parts of the hardening air pipes 3 positioned between the central column pipe 401 and the upper column pipe 402 are respectively provided with a control valve 6; the control valve 6 further comprises a connecting pipe 601, an inner check valve 602, a control block 603, a reset rod 604 and a jacking screw 605; the two sides of the control valve 6 are both fixedly provided with connecting pipes 601, and the connecting sides of the connecting pipes 601 are both of flat plate structures and are sealed with the two sides of the control valve 6 by matching with rubber pads; the connecting pipes 601 are internally provided with inner check valves 602, and one ends of the inner check valves 602, which are positioned in the control valve 6, are all provided with inclined surface structures; a reset rod 604 is integrally arranged on the outer side of the control block 603, and the reset rod 604 penetrates through the control valve 6, is sleeved with a spring and is fixedly provided with a baffle; the middle of the outer side of the control valve 6 is fixedly provided with a jacking screw 605 through threaded connection; the control block 603 is of a wedge-shaped structure, and the inclined planes on both sides of the control block 603 have the same angle as the inclined plane end of the inner check valve 602; air bins A7 are fixedly arranged on two sides of the top of the adjusting table 5 through four groups of upright posts, air bins B8 are fixedly arranged on the top of the air bin A7 through four groups of upright posts, and a connecting frame 9 is fixedly arranged in the middle of the tops of the two groups of air bins B8; wherein, the middle of the top of the adjusting platform 5 is rotatably provided with a crankshaft A10; the bottom of the connecting frame 9 is rotatably provided with a crankshaft B11, and the crankshaft B11 is connected with the crankshaft A10 through a connecting shaft 12; the middle parts of the two ends of the connecting shaft 12 are both of an inner ratchet structure, and the rotating directions of the inner ratchet connected with the crankshaft B11 and the crankshaft A10 are opposite; the outer side of the connecting shaft 12 is in bevel gear transmission connection with the main rotating shaft 502.

Wherein, the outer sides of the middle parts of the bent axle B11 and the bent axle A10 are both rotatably provided with slide blocks, and the strip-shaped frames 13 are arranged outside the slide blocks in a sliding way; three groups of piston rods are fixedly arranged on two sides of the strip-shaped frame 13, and the piston rods respectively penetrate through the two groups of air bins A7 and the two groups of air bins B8 to be fixedly provided with piston strips 14; the middle of the outer sides of the two groups of air bins A7 and B8 are respectively provided with a one-way valve in a connecting way, and the air inlet directions of the one-way valves connected with the air bins A7 and B8 are opposite.

Wherein, two groups of convex strips 15 are fixedly arranged at the front side and the rear side of the top of the main floating plate 1, and the middle of each convex strip 15 is rotatably provided with a hack lever 16 through a rotating shaft; one side of each rack rod 16 is rotatably provided with a lead screw 17 by matching a rack body structure with a bearing, and the lead screws 17 are externally provided with nuts and fixedly provided with connecting rods 18 by hinge connection; the bottom of the outer end of the hack lever 16 is provided with a strip-shaped frame 19 through a rotating shaft in a rotating way; the connecting rods 18 are hinged with one sides of the convex strips 15; the bottoms of the strip-shaped frames 19 are respectively provided with six groups of guide plates 20 in a rotating way through a rotating shaft, and the tops of the front sides of the guide plates 20 are respectively arranged at the bottoms of the main floating plates 1 in a rotating way through the rotating shaft; the front sides of the guide plates 20 are each provided with a slope structure.

The working principle is as follows: when the device is used, after the platform is placed in a river channel, materials are carried into the platform, one part of the platform can sink downwards due to the materials at a relatively sinking position, at the moment, the control valve 6 in the same direction as the sinking direction is opened, the control valve 6 in the direction of the sinking position and two adjacent groups of control valves 6 can be opened according to the sinking degree, the jacking screw 605 is screwed tightly, and the control block 603 is plugged into the middle of the two groups of inner check valves 602 through the jacking screw 605 to jack the two groups of inner check valves 602 open so as to communicate the gas; the rocker 503 is rotated, the rocker 503 drives the crankshaft A10 to rotate by matching the main rotating shaft 502 with the bevel gear, the ball valves on two sides of the air bin A7 are opened, the crankshaft A10 utilizes the strip frame 13 and the piston strip 14 to enable outside air to pass through the one-way valve to enter the air bin A7, then the air bin A7 passes through the ball valve and the direction control one-way valve 504 to enter the inside of the adjusting platform 5, then the air bin A7 passes through the opened control valve 6 to enter the bottom of the sealing cover 103, the position of the piston plate 104 is supported, and after the piston plate 104 moves downwards, the air in the pressure adjusting bin 101 is increased, so that the buoyancy can be increased; the main rotating shaft 502 and the rocker 503 rotate in the opposite direction, the ball valves on the two sides of the air bin A7 are closed, the crankshaft B11 can be driven to rotate, the strip frame 13 and the piston strip 14 are used for pumping the air in the pressure regulating bin 101 into the air bin B8, and then the air passes through the one-way valve and is discharged out of the air bin B8, so that the pressure of the platform is reduced.

Set up the rope with one side of platform and fix at the bank, make the front side and the rivers contact of platform, rotate lead screw 17, lead screw 17 removes connecting rod 18 through the screw drive, can control the angle of bar frame 19 through connecting rod 18, further adjusts the angle of each group's deflector 20, utilizes rivers to make the platform carry out position control in the river course.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a construction platform of adjustable buoyancy of formula of floating based on water conservancy construction which characterized in that: comprises a main floating plate (1); the main floating plate (1) also comprises a pressure regulating bin (101); eight groups of pressure regulating bins (101) are integrally arranged at the bottom of the main floating plate (1), twelve groups of through holes are formed in the bottoms of the pressure regulating bins (101), and cambered surface filter screens are fixedly arranged on the outer sides of the bottoms of the pressure regulating bins (101); the middle of the bottom of the main floating plate (1) is connected with a hanging rudder (2) through an iron cable, and the hanging rudder (2) is of a conical structure; a material plate (4) is fixedly arranged at the top of the main floating plate (1), and a rubber pad is clamped between the material plate (4) and the main floating plate (1); an adjusting platform (5) is fixedly arranged at the top of the middle of the material plate (4); the adjusting table (5) also comprises a shaft bracket (501), a main rotating shaft (502) and a rocker (503); two groups of shaft brackets (501) are integrally arranged on one side of the top of the adjusting table (5), and a main rotating shaft (502) is rotatably arranged in each shaft bracket (501); a rocker (503) is fixedly arranged at the outer end of the main rotating shaft (502); the top both sides of regulation platform (5) all are provided with gas storehouse A (7) through four group's stands are fixed, and the top of gas storehouse A (7) all is provided with gas storehouse B (8) through four group's stands are fixed, fixedly in the middle of the top of two groups of gas storehouses B (8) be provided with link (9).

2. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 1, characterized in that: the main floating plate (1) further comprises a sliding rod (102), a sealing cover (103) and a piston plate (104); the top of each pressure regulating bin (101) is fixedly provided with a sealing cover (103), and the edges of the sealing covers (103) are respectively provided with a silica gel sealing layer in an adhering manner; sliding rods (102) are rotatably arranged between the bottom of the inner side of the pressure regulating bin (101) and the sealing cover (103); piston plates (104) are arranged on the outer sides of the sliding rods (102) in a sliding mode.

3. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 1, characterized in that: the flitch (4) also comprises a central column tube (401), an upper column tube (402) and an air bag (403); a central column tube (401) is integrally arranged in the middle of the top of the flitch (4), an upper column tube (402) is fixedly arranged at the top of the central column tube (401) through eight groups of stand columns, and an adjusting platform (5) is fixed at the top of the upper column tube (402); a groove is formed in the middle of the side of the material plate (4), and an air bag (403) is embedded in the groove in a surrounding manner; the middle of the adjusting platform (5) is of a hollow structure, the top of each sealing cover (103) is provided with a hardening air pipe (3) which is communicated with the bottom of the adjusting platform (5), and the parts of the hardening air pipes (3) between the central column pipe (401) and the upper column pipe (402) are provided with control valves (6) in a connecting mode.

4. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 1, characterized in that: the adjusting table (5) also comprises a direction-control one-way valve (504); the both sides of regulation platform (5) set up two sets of tracheas respectively and are connected with two sets of gas storehouses A (7) and two sets of gas storehouses B (8), and regulation platform (5) all are connected with the tracheal centre in two sets of gas storehouses A (7) and two sets of gas storehouses B (8) both sides and are provided with accuse to check valve (504), the accuse that gas storehouse A (7) are connected is to check valve (504) the opposite direction of ventilating to check valve (504), gas storehouse A (7) all are connected with the ball valve with the trachea centre of accuse to check valve (504).

5. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 3, wherein the floating type construction platform is characterized in that: the control valve (6) further comprises a connecting pipe (601), an inner one-way valve (602), a control block (603), a reset rod (604) and a jacking screw rod (605); the two sides of the control valve (6) are both fixedly provided with connecting pipes (601), and the connecting sides of the connecting pipes (601) are both of flat plate structures and are sealed with the two sides of the control valve (6) by matching rubber pads; inner check valves (602) are arranged in the connecting pipes (601), and one ends of the inner check valves (602) in the control valve (6) are all of inclined surface structures; a reset rod (604) is integrally arranged on the outer side of the control block (603), and the reset rod (604) penetrates through the control valve (6) to be sleeved with a spring and is fixedly provided with a baffle; the middle of the outer side of the control valve (6) is fixedly provided with a jacking screw rod (605) through threaded connection; the control block (603) is of a wedge-shaped structure, and the inclined planes on the two sides of the control block (603) are the same as the inclined plane end angle of the inner one-way valve (602).

6. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 1, characterized in that: a crankshaft A (10) is rotatably arranged in the middle of the top of the adjusting table (5); the bottom of the connecting frame (9) is rotatably provided with a crankshaft B (11), and the crankshaft B (11) is connected with the crankshaft A (10) through a connecting shaft (12); the middle parts of two ends of the connecting shaft (12) are both of an inner ratchet structure, and the rotating directions of the inner ratchet connected with the crankshaft B (11) and the crankshaft A (10) are opposite; the outer side of the connecting shaft (12) is in transmission connection with the main rotating shaft (502) through a bevel gear.

7. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 6, wherein the floating type construction platform comprises: the outer sides of the middle parts of the bent parts of the crankshaft B (11) and the crankshaft A (10) are respectively rotatably provided with a slide block, and the outer sides of the slide blocks are respectively provided with a strip-shaped frame (13) in a sliding manner; three groups of piston rods are fixedly arranged on two sides of the strip-shaped frame (13), and the piston rods respectively penetrate through the two groups of air bins A (7) and the two groups of air bins B (8) and are fixedly provided with piston strips (14); the middle of the outer sides of the two groups of gas bins A (7) and the two groups of gas bins B (8) are respectively connected with a one-way valve, and the air inlet directions of the one-way valves connected with the gas bins A (7) and the gas bins B (8) are opposite.

8. The floating type construction platform with adjustable buoyancy based on water conservancy construction according to claim 1, characterized in that: two groups of convex strips (15) are fixedly arranged on the front side and the rear side of the top of the main floating plate (1), and frame rods (16) are rotatably arranged in the middles of the convex strips (15) through rotating shafts; one side of each rack rod (16) is rotatably provided with a lead screw (17) through a rack body structure matched with a bearing, and a nut is arranged outside each lead screw (17) and is fixedly provided with a connecting rod (18) through hinge connection; the bottom of the outer end of each rack rod (16) is rotatably provided with a strip-shaped rack (19) through a rotating shaft; the connecting rods (18) are hinged with one sides of the convex strips (15); the bottom of each strip-shaped frame (19) is rotatably provided with six groups of guide plates (20) through rotating shafts, and the tops of the front sides of the guide plates (20) are rotatably arranged at the bottom of the main floating plate (1) through the rotating shafts; the front sides of the guide plates (20) are all set to be of inclined surface structures.