A water injection and drainage type test weight box in a river

Abstract

The present invention discloses a trial weight box with water injection and drainage in the river, comprising: a water tank body, the water tank body is a closed structure, which includes an outer surface and an inner surface; a float device, the float device is arranged on the outer surface; a water injection and drainage valve, the water injection and drainage valve is arranged on the inner surface of the water tank body, and the water injection and drainage valve communicates with the inside and outside of the water tank body; a flexible connecting rod device, one end of the flexible connecting rod device is connected to the water injection and drainage valve, and the other end passes through from the inside of the water tank body to the outside and is connected to the float device. The functions of the water tank of the present invention can meet all functional requirements during the commissioning process of the quay crane. When the water tank is lifted into the river for drainage, due to the buoyancy of the float device being greater than the self-weight of the flexible connecting rod device and the positive pressure of the water, the steel wire rope in the flexible connecting rod device drives the water injection and drainage valve hole cover to gradually open, realizing drainage. During the opening process of the hole cover during drainage, the one-way stop device blocks its return stroke, so that it will not close again, completing the drainage.

Description

Technical Field

[0001] The present invention relates to a series of load debugging devices required for general assembly of a conventional quay crane and other lifting products. More specifically, it relates to a water injection and drainage type test weight box used in a river. Background Art

[0002] After the general assembly of a conventional quay crane and other lifting products is completed, a series of load debugging work needs to be carried out. Currently, the vast majority of counterweights used for load debugging are water injection type water tanks. When the traditional water injection type water tank is filled with water, it needs to be pumped by a water pump, which is time-consuming and laborious. When injecting and draining water, the amount of water is small, the speed is slow, and the efficiency is low. Water accumulation and silt are likely to appear at the bottom of the water tank. Over time, the life of the water tank is likely to be reduced, affecting the operation safety. Due to the above-mentioned adverse factors, "a water injection and drainage type test weight box in a river" hereinafter referred to as "test weight box" is designed and manufactured. By lifting the water tank into the Yangtze River, water injection and drainage can be quickly completed without the need for additional equipment. The whole process is simple and convenient to operate, and at the same time, the silt and water accumulation in the water tank can be completely discharged. Summary of the Invention

[0003] Aiming at the problems existing in the prior art that when a water injection type water tank is filled with water, it needs to be pumped by a water pump, which is time-consuming and laborious, the amount of water is small, the speed is slow, and the efficiency is low when injecting and draining water, and water accumulation and silt are likely to appear at the bottom of the water tank, the purpose of the present invention is to provide a water injection and drainage type test weight box in a river, which can quickly complete water injection and drainage without the need for additional equipment. The whole process is simple and convenient to operate, and at the same time, the silt and water accumulation in the water tank can be completely discharged.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A water injection and drainage type test weight box in a river, comprising: a water tank body, the water tank body is a closed structure, which includes an outer surface and an inner surface; a float device, the float device is arranged on the outer surface; a water injection and drainage valve, the water injection and drainage valve is arranged on the inner surface of the water tank body, and the water injection and drainage valve communicates with the inside and outside of the water tank body; a flexible connecting rod device, one end of the flexible connecting rod device is connected to the water injection and drainage valve, and the other end passes through from the inside of the water tank body to the outside and is connected to the float device.

[0006] As an embodiment of the present invention, the water tank body is a cuboid structure, the float device is arranged on the outer surface of the top surface of the water tank body, and the water injection and drainage valve is arranged on the inner surface of the bottom surface of the water tank body.

[0007] As an embodiment of the present invention, a maintenance hole cover, a ladder and a liquid level gauge are further arranged on the surface of the water tank body, and stiffening rib plates are arranged inside the water tank body; the maintenance hole cover opens towards the outside of the water tank body, and the ladder is perpendicular to the surface where the maintenance hole cover is located.

[0008] As an embodiment of the present invention, the injection and drainage valve includes a hole cover, a bracket, a grooved bottom plate, and a lower lining plate; the lower lining plate is fixed to the inner surface of the bottom of the water tank body, and the grooved bottom plate is fixed to the lower lining plate; one end of the bracket is rotatably connected to the connection groove of the grooved bottom plate, and the bracket is fixed to the hole cover, so that the hole cover can be opened or closed relative to the grooved bottom plate; the opening direction of the hole cover faces the inside of the water tank body.

[0009] As an embodiment of the present invention, the injection and drainage valve further includes an upper sealing rubber ring, a lower sealing rubber ring, bolts, washers, and nuts; the upper sealing rubber ring is fixed to the bottom surface of the hole cover, and the lower sealing rubber ring is fixed between the grooved bottom plate and the lower lining plate; the bolts and nuts fix the grooved bottom plate and the lower lining plate to the bottom surface of the water tank body, and washers are arranged on the grooved bottom plate.

[0010] As an embodiment of the present invention, the float device includes a float body, a displacement device, and an ear plate. The displacement device is fixed to the outer surface of the top of the water tank body, and the ear plate is fixed to the float body; the float body moves along the displacement device, so that the float body reciprocates in a direction perpendicular to the top surface of the water tank body.

[0011] As an embodiment of the present invention, the displacement device is two parallel long rods; connection rings are provided on both sides of the float body, and the connection rings are sleeved on the displacement device, so that the float body can move up and down along the displacement device; the ear plate is fixed to the bottom of the float body.

[0012] As an embodiment of the present invention, the flexible link device includes a one-way stop device, a steel wire rope, a wire clip, and a shackle; the one-way stop device is a rod-shaped component, its first end is arranged inside the water tank body, and its second end is arranged outside the water tank body; the first end of the steel wire rope is connected to the first end of the one-way stop device, and its second end is connected to the hole cover of the injection and drainage valve.

[0013] As an embodiment of the present invention, the flexible link device further includes a wire clip and a shackle; a wire clip is arranged near the first end of the steel wire rope, and a shackle is arranged near the second end of the steel wire rope.

[0014] As an embodiment of the present invention, the single-stop mechanism includes a slider, a pressure rod, a column, a bottom plate, a shaft pin, and a stop block; the slider is a rod-shaped component, the bottom plate is movably connected to the slider and can move up and down along the slider; a column and a stop block are arranged on the bottom plate, and a pressure rod is arranged on the stop block.

[0015] In the above technical solution, the present invention designs a water injection and drainage type test weight box in the river. The functions of the water tank can meet all the functional requirements during the hoisting and commissioning process of the quay crane. When the water tank is lifted into the river for drainage, since the buoyancy of the float device is greater than the self-weight of the flexible link device and the positive pressure of the water, the steel wire rope in the flexible link device drives the injection and drainage valve hole cover to gradually open, realizing drainage. During the opening process of the hole cover during drainage, the one-way stop device blocks its return stroke, preventing it from closing again and completing the drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the test weight box of the present invention;

[0017] Figure 2a -d is a schematic structural diagram of the water tank body of the present invention;

[0018] Figure 3 is a schematic structural diagram of the injection and drainage valve of the present invention;

[0019] Figure 4 is a schematic structural diagram of the float device of the present invention;

[0020] Figure 5 is a schematic structural diagram of the flexible link device of the present invention;

[0021] Figure 6 is a schematic structural diagram of the one-way stop device of the present invention.

[0022] In the figure:

[0023] 11 - water tank body, 12 - injection and drainage valve, 13 - float device, 14 - flexible link device, 15 - one-way stop device; 21 - box body, 22 - reinforcing rib plate, 23 - partition board, 24 - liquid level gauge, 26 - support base, 27 - maintenance hole cover, 28 - ladder; 31 - hole cover, 32 - upper sealing rubber ring, 33 - bracket, 34 - grooved bottom plate, 35 - lower sealing rubber ring, 36 - lower lining plate, 37 - bolt, 38 - washer, 39 - nut; 41 - float body, 42 - displacement device, 43 - ear plate; 51 - steel wire rope, 52 - wire clip, 53 - shackle; 61 - slider, 62 - pressure bar, 63 - column, 64 - bottom plate, 65 - pin, 66 - stop block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further clearly and completely describes the technical solutions in the embodiments of the present invention in conjunction with the drawings and embodiments. Obviously, the described embodiments are used to explain the technical solutions of the present invention and do not mean that all the embodiments of the present invention have been exhausted.

[0025] Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] Referring to Figure 1 , the present invention first discloses a water injection and drainage type test weight box, the main structure of which includes a water tank body 11, a water injection and drainage valve 12, a float device 13, a flexible link device 14, a one-way stop device 15, etc. As Figure 1 shown, the water tank body 11 is a closed structure, and its shape is usually rectangular or square. The water tank body 11 is divided into an outer surface and an inner surface. There are a float device 13 and a one-way stop device 15 on the top of the outer surface of the water tank body 11. Two water injection holes are opened at the bottom of the inner surface of the water tank body 11, and a water injection and drainage valve 12 is installed on the water injection holes. There is a flexible link device 14 inside the water tank body 11. One end of the flexible link device 14 is connected to the water injection and drainage valve 12, and the other end passes out of the water tank body from the inside to the outside. The float device 13 and the water injection and drainage valve 12 are connected through the flexible link device 14. The flexible link device 14 is connected to the one-way stop device 15 above and the water injection and drainage valve 12 below.

[0027] Referring to Figure 2a -d, Figure 2a -d is Figure 1 the cross-section and top view of the water tank body 11 in. The water tank body 11 mainly consists of a box body 21, reinforcing rib plates 22, partition plates 23, a liquid level gauge 24, a support base 26, a maintenance hole cover 27, and a ladder 28. The box body 21 is a cuboid structure. The reinforcing rib plates 22 are respectively installed horizontally on the left and right sides, top and bottom of the inner surface of the box body 21 to support and reinforce the box body 21. The partition plates 23 are respectively installed vertically on the side of the inner surface of the box body 21 to divide the front and back of the box body 21. Support bases 26 are respectively installed on the left and right sides at the bottom of the outer surface of the box body 21 to support the water tank when the box body 21 sinks to the bottom of the water.

[0028] Continuing to refer to Figure 2a -d, two water injection and drainage valves 12 are installed at the bottom of the inner surface of the box body 21, respectively installed on the left and right sides of the partition plate 23. The water injection and drainage of the water tank both need to pass through the water injection and drainage valve 12. The liquid level gauge 24 is installed inside the box body 21, directly above the water injection and drainage valve 12, for measuring the water level of the water tank to calculate the water injection and drainage time.

[0029] Continuing to refer to Figure 2a-d. Two maintenance hole covers 27 are installed on the top of the box body 21, respectively on the left and right sides of the partition board 23. The maintenance hole covers 27 open towards the outside of the box body 21, and employees can enter the inside of the box body 21 through the maintenance hole covers 27 to perform maintenance work on the components. At the same time, on the side wall of the box body 21, a ladder 28 is installed below the maintenance hole cover 27. The ladder 28 is perpendicular to the maintenance hole cover 27, facilitating employees to enter the inside of the box body 21.

[0030] Referring to Figure 3 , the water injection and drainage valve 12 of the present invention mainly consists of a hole cover 31, an upper sealing rubber ring 32, a bracket 33, a grooved bottom plate 34, a lower sealing rubber ring 35, a lower lining plate 36, bolts 37, washers 38, and nuts 39. The water injection and drainage valve 12 is circular and is divided into upper and lower parts. The hole cover 31 is located in the upper part of the water injection and drainage valve 12, and its shape is disc-shaped. The opening direction of the hole cover 31 faces the inside of the water tank body 11. Only when the hole cover 31 is opened can the water injection and drainage operations be carried out. The hole cover 31 is circular and is divided into an outer ring and an inner ring. The inner ring is below the hole cover 31 and consists of multiple rings. The upper sealing rubber ring 32 is installed on the rings, that is, the upper sealing rubber ring 32 is fixed to the bottom surface of the hole cover 31. When the hole cover 31 is closed, the upper sealing rubber ring 32 fits with the grooved bottom plate 34, playing a sealing role to prevent water from leaking out of the water tank and also preventing external water from entering the water tank. The connecting rod at the bottom of the hole cover 31 is connected to the bracket 33. One end of the bracket 33 is rotatably connected to the connecting groove of the grooved bottom plate 34, and the bracket 33 is fixed to the hole cover 31. Specifically, as Figure 3 shown, there are 2 fixed brackets of the bracket 33 installed at the bottom of the box body 21. There are 2 round holes at the head of the fixed brackets connected by rivets, enabling the hole cover 31 to open or close relative to the grooved bottom plate 34.

[0031] Continuing to refer to Figure 3 , the grooved bottom plate 34 is in the lower part of the water injection and drainage valve 12. The grooved bottom plate 34 is a ring, and there are multiple hole positions on the outer ring. The bolts 37 can connect the grooved bottom plate 34 and the lower lining plate 36 through the hole positions, fixing the grooved bottom plate 34 to the lower lining plate 36. The inner ring of the grooved bottom plate 34 also consists of multiple rings and can fit with the inner ring of the hole cover 31. The lower lining plate 36 is also a ring, fixed to the inner surface of the bottom surface of the water tank body 11, that is, installed at the bottom of the box body 21, and is connected to the grooved bottom plate 34 through bolts 37. Each bolt 37 is equipped with a washer 38 and a nut 39, making the grooved bottom plate 34 and the lower lining plate 36 closely connected and not loose. There is also a lower sealing rubber ring 35 between the grooved bottom plate 34 and the lower lining plate 36, playing a sealing role to prevent water from leaking out between the grooved bottom plate 34 and the lower lining plate 36.

[0032] Referring to Figure 4, the float device 13 of the present invention is composed of a float body 41, a displacement device 42, and an ear plate 43, which can provide buoyancy during drainage and open the water injection and drainage valve 12 through the flexible link device 14. The float body 41 is rectangular, and four fixed brackets are respectively installed on the left and right sides, and each bracket has a round hole. The displacement device 42 is two parallel long rods installed on both sides of the float device 13. The displacement device 42 is a cylinder, which is fixed on the outer surface of the top surface of the water tank body and passes through the fixed brackets of the float body 41, so that the displacement device 42 and the float body 41 are connected, and the float body 41 can move vertically up and down relative to the water tank body 11. Specifically, as Figure 4 shown, connecting rings are provided on both sides of the float body 41, and the connecting rings are sleeved on the displacement device 42, so that the float body 41 can move up and down along the displacement device 42. An ear plate 43 is installed at the bottom of the float body 41, and there is a round hole in the ear plate 43. The one-way stop device 15 can be connected to the float device 13 through this round hole.

[0033] Figure 4 The float body 41 shown is a cuboid component, but those skilled in the art can understand that Figure 4 the shape of the float body 41 shown is not a limitation of the present invention. In other embodiments of the present invention, the float body 41 can also be spherical or other shapes, and the technical purpose and technical effect of the present invention can be achieved.

[0034] Referring to Figure 5 , the flexible link device 14 of the present invention is composed of a steel wire rope 51, a wire rope clip 52, and a shackle 53. The float device 13 is connected to the water injection and drainage valve 12 through the flexible link device 14 to complete the water injection and drainage actions. The main body of the flexible link device 14 is the steel wire rope 51. One end of the steel wire rope 51 is connected to the one-way stop device 15, and the other end is connected to the hole cover 31 of the water injection and drainage valve 12. A wire rope clip 52 is provided at the end of the steel wire rope 51 connected to the one-way stop device 15, and a shackle 53 is provided at the end of the steel wire rope 51 connected to the water injection and drainage valve 12. Both the wire rope clip 52 and the shackle 53 play a role in fixing or connecting the end of the steel wire rope 51. The wire rope clip 52 is at the end of the steel wire rope 51, and the shackle 53 is at the end of the steel wire rope 51, which is convenient for installation and disassembly.

[0035] Referring to Figure 6, the one-way stop device 15 of the present invention is composed of a slider 61, a pressure rod 62, a column 63, a bottom plate 64, a shaft pin 65, and a stopper 66. There is a slider 61 in the middle of the one-way stop device 15. The slider 61 is a rod-shaped component, with its first end disposed inside the water tank body 11 and its second end disposed outside the water tank body 11. There are two round holes at the upper and lower ends of the slider 61. The round hole at the upper end of the slider 61 is equipped with a shaft pin 65, and the end of the shaft pin 65 is fixed by a pin. Multiple stop blocks are installed on the side of the slider 61 to play a role in decelerating and stopping. The bottom plate 64 is a rectangle, and the bottom plate 64 is movable and connected to the slider 61 and can move up and down along the slider 61. A column 63 and a stopper 66 are provided on the upper part of the bottom plate 64. Both the column 63 and the stopper 66 are cuboids. A pressure rod 62 is provided on the upper part of the two columns 63. The pressure rod 62 is a rectangular rod-shaped component. The stopper 66 is installed on the upper part of the bottom plate 64 and is connected to the slider 61 and can move up and down with the bottom plate 64.

[0036] As a preferred embodiment of the present invention, when the water tank body 11 needs to be filled with water, check whether the float device 13 is at the lowest position of the stroke (at this time, the valve of the injection and drainage valve 12 is closed), insert the pin of the one-way stop device 15, connect the water tank body 11 and the lifting tool with a steel wire rope 51, and the lifting tool slowly lowers the water tank body 11 into the river (the water entry speed is controlled within 10 m / min). The present invention utilizes the action of water pressure to automatically open the injection and drainage valve 12, start the water inlet, the water tank body 11 continues to descend, and according to the principle of the communicating vessel, the water tank body 11 slowly immerses in the water, and the water is gradually filled. Lift the water tank body 11, and under the action of pressure, the injection and drainage valve 12 automatically closes to complete the water filling work.

[0037] When the water tank body 11 drains water, remove the pin 65 of the one-way stop device 15, connect the water tank body 11 and the lifting tool with a steel wire rope, lower the water tank body 11 into the river (the water entry speed is controlled within 10 m / min), and immerse the water tank body 11 in the water (the float device 13 needs to enter the water). Since the buoyancy of the float device 13 is greater than the self-weight of the flexible link device 14 and the positive pressure of the water, the steel wire rope 51 in the flexible link device 14 drives the hole cover 31 of the injection and drainage valve 12 to gradually open. During the opening process of the hole cover 31, the one-way stop device 15 blocks its return stroke so that it will not close again. Slowly lift the water tank body 11 out of the water surface to complete the drainage process (ensure that the lifting tool does not enter the water during this process).

[0038] In summary, the in-river injection and drainage type test weight box of the present invention has at least the following beneficial effects:

[0039] The structure is simple, the operation is simple and convenient. For injection and drainage, only the action of water pressure is utilized, and no additional water pump is required.

[0040] The water tank is provided with 2 injection and drainage valves. When injecting and draining water, the water volume is large, the speed is fast, and the efficiency is high.

[0041] The accumulated water and silt at the bottom of the box can be easily discharged, which can greatly extend the service life of the box.

[0042] The water tank is provided with a maintenance hole and a ladder, which greatly facilitates the maintenance work of employees.

[0043] Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention. As long as within the spirit and scope of the present invention, changes and modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. A trial weight box with water injection and drainage in the river, characterized in that, Comprising: A water tank body, the water tank body being a closed structure, which includes an outer surface and an inner surface; A float device, the float device being arranged on the outer surface; A water injection and drainage valve, the water injection and drainage valve being arranged on the inner surface of the water tank body, and the water injection and drainage valve communicating the inside and outside of the water tank body; A flexible link device, one end of the flexible link device being connected to the water injection and drainage valve, and the other end passing out of the water tank body from the inside to the outside and being connected to the float device, The flexible link device includes a one-way stop device, a steel wire rope, a wire clip and a shackle; The one-way stop device is a rod-shaped component, its first end being arranged inside the water tank body and its second end being arranged outside the water tank body; The first end of the steel wire rope is connected to the first end of the one-way stop device, and its second end is connected to the hole cover of the water injection and drainage valve, The flexible link device further includes a wire clip and a shackle; The wire clip is arranged near the first end of the steel wire rope, and the shackle is arranged near the second end of the steel wire rope, The one-way stop device includes a slider, a pressure rod, a column, a bottom plate, a shaft pin, a stop block; there is a slider in the middle of the one-way stop device; The slider is a rod-shaped component, its first end being arranged inside the water tank body and its second end being arranged outside the water tank body; there are two round holes at the upper and lower ends of the slider; the round hole at the upper end of the slider is equipped with a shaft pin, and the end of the shaft pin is fixed by a pin; multiple stop blocks are installed on the side of the slider to play a role in decelerating and stopping; the bottom plate is a rectangle, and the bottom plate is movably connected to the slider and moves up and down along the slider; the column and the stop block are arranged on the upper part of the bottom plate, and both the column and the stop block are cuboids; a pressure rod is arranged on the upper part of the two columns, and the pressure rod is a rectangular rod-shaped component; the stop block is installed on the upper part of the bottom plate and is connected to the slider and moves up and down with the bottom plate; When the water tank body is being filled with water, check whether the float device is at the lowest position of the stroke, insert the pin of the one-way stop device, connect the water tank body and the lifting tool with a steel wire rope, and the lifting tool slowly lowers the water tank body into the river; by the action of water pressure, the water injection and drainage valve is automatically opened to start water inlet, the water tank body continues to descend, according to the principle of communicating vessels, the water tank body slowly immerses in the water, and the water gradually fills up, lift the water tank body, under the action of pressure, the water injection and drainage valve automatically closes to complete the water filling work; When the water tank body is draining water, remove the pin of the one-way stop device, connect the water tank body and the lifting tool with a steel wire rope, lower the water tank body into the river, and submerge the water tank body in the water; due to the buoyancy of the float device being greater than the self-weight of the flexible link device and the positive pressure of water, the steel wire rope in the flexible link device drives the hole cover of the water injection and drainage valve to gradually open, and the one-way stop device blocks its return stroke during the opening process of the hole cover so that it will not close again; slowly lift the water tank body out of the water surface to complete the drainage process.

2. The in-river water injection and drainage type test weight box according to claim 1, wherein: The water tank body is a cuboid structure, the float device is arranged on the outer surface of the top surface of the water tank body, and the water injection and drainage valve is arranged on the inner surface of the bottom surface of the water tank body.

3. The in-river water injection and drainage type test weight box according to claim 2, wherein: A maintenance hole cover, a ladder and a liquid level gauge are also provided on the surface of the water tank body, and stiffening rib plates are arranged inside the water tank body; The maintenance hole cover opens towards the outside of the water tank body, and the ladder is perpendicular to the surface where the maintenance hole cover is located.

4. The in-river water injection and drainage type test weight box according to claim 2, characterized in that: The water injection and drainage valve includes a hole cover, a bracket, a grooved bottom plate, and a lower lining plate; The lower lining plate is fixed to the inner surface of the bottom surface of the water tank body, and the grooved bottom plate is fixed to the lower lining plate; One end of the bracket is rotatably connected to the connection groove of the grooved bottom plate, and the bracket is fixed to the hole cover, so that the hole cover can be opened or closed relative to the grooved bottom plate; The opening direction of the hole cover faces the inside of the water tank body.

5. The in-river water injection and drainage type test weight box according to claim 4, characterized in that: The water injection and drainage valve further includes an upper sealing rubber ring, a lower sealing rubber ring, bolts, washers, and nuts; The upper sealing rubber ring is fixed to the bottom surface of the hole cover, and the lower sealing rubber ring is fixed between the grooved bottom plate and the lower lining plate; The bolts and nuts fix the grooved bottom plate and the lower lining plate to the bottom surface of the water tank body, and the washers are arranged on the grooved bottom plate.

6. The in-river water injection and drainage type test weight box according to claim 5, characterized in that: The float device includes a float body, a displacement device, and an ear plate. The displacement device is fixed to the outer surface of the top surface of the water tank body, and the ear plate is fixed to the float body; The float body moves along the displacement device, so that the float body reciprocates in a direction perpendicular to the top surface of the water tank body.

7. The in-river water injection and drainage type test weight box according to claim 6, characterized in that: The displacement device is two parallel long rods; Connection rings are arranged on both sides of the float body, and the connection rings are sleeved on the displacement device, so that the float body can move up and down along the displacement device; The ear plate is fixed to the bottom of the float body.

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