Disassembling and assembling mechanism for underwater suction dredger and underwater suction dredger

Abstract

The utility model provides a dismounting and mounting mechanism for an underwater suction dredger and the underwater suction dredger, the dismounting and mounting mechanism comprises a submersible sewage pump which is used for being arranged at the upper position in a water body to be treated and can move up and down relative to the water body, and a bottom sludge inlet of the submersible sewage pump is connected to a sludge inlet pipe which extends downwards and vertically and is used for introducing the water body; the mud passing pipe is used for being fixed to the lower portion in the water body to be treated, can be in butt joint with the mud inlet pipe, vertically extends and is used for transporting the water body, the top of the mud passing pipe is provided with a connecting part used for being detachably connected to the bottom of the mud inlet pipe in a sealed mode, and the bottom end of the mud passing pipe is connected to a mud suction nozzle with the caliber gradually increasing downwards. According to the dismounting and mounting mechanism provided by the utility model, the underwater suction dredger can be conveniently overhauled.

Description

Technical Field

[0001] The utility model relates to the field of underwater engineering equipment, in particular to a disassembly and assembly mechanism for an underwater dredge suction machine and the underwater dredge suction machine. Background Art

[0002] Underwater sludge suction machine is a kind of equipment widely used in sewage treatment industry, especially in horizontal flow sedimentation tank and secondary sedimentation tank, mainly used to suck the sludge settled at the bottom of the tank to the sludge tank. This equipment usually includes a submersible sewage pump and a suction nozzle fixed to the submersible sewage pump. When working, the submersible sewage pump and the suction nozzle are placed together at the bottom of the tank. Through the work of the submersible sewage pump, the sludge is sucked into the suction nozzle and transported to the sludge tank through the pipeline. In this process, the normal operation of the submersible sewage pump is very critical. Once a failure occurs, it will seriously affect the normal operation of the sewage treatment plant.

[0003] In the process of implementing the present utility model, the inventors found that there are at least the following problems in the prior art:

[0004] When a submersible sewage pump fails, it is usually necessary to stop the water supply, drain the tank, and then dismantle the pump for maintenance. Another method is to lift the submersible sewage pump together with the bottom suction nozzle for maintenance. Although these two methods can solve the problem of submersible sewage pump failure, the method of stopping the water supply and draining the tank for maintenance not only affects the normal operation of the sewage treatment plant, but also is complicated, time-consuming and labor-intensive. Secondly, the method of lifting the submersible sewage pump together with the bottom suction nozzle for maintenance has high requirements for maintenance lifting equipment, which increases equipment costs.

[0005] Therefore, a disassembly and assembly mechanism for an underwater dredge suction machine and an underwater dredge suction machine are needed to at least partially solve the above technical problems. Utility Model Content

[0006] The embodiment of the utility model provides a disassembly and assembly mechanism for an underwater dredge suction machine and the underwater dredge suction machine, which can realize convenient maintenance of the underwater dredge suction machine.

[0007] The present invention provides a disassembly and assembly mechanism for an underwater dredge suction machine, the disassembly and assembly mechanism comprising:

[0008] A submersible sewage pump arranged at an upper position in a water body to be treated and movable up and down relative to the water body, wherein a bottom mud inlet of the submersible sewage pump is connected to a mud inlet pipe extending vertically downward for introducing the mud into the water body; and

[0009] A vertically extending mud pipe for transporting water, which is fixed at a lower position in the water body to be treated and can be connected to the mud inlet pipe, wherein the top of the mud pipe has a connecting portion for detachably sealingly connecting to the bottom of the mud inlet pipe, and the bottom end of the mud pipe is connected to a mud suction nozzle with a gradually increasing diameter downwards.

[0010] According to the disassembly and assembly mechanism of the utility model, a mud inlet pipe extending vertically downward is provided at the bottom mud inlet of the submersible sewage pump, and a mud passing pipe extending vertically that can be connected to the mud inlet pipe is provided. The top of the mud passing pipe has a connecting portion for detachably sealingly connecting to the bottom of the mud inlet pipe. The bottom end of the mud passing pipe is connected to a mud suction nozzle with a gradually increasing diameter downward. On the one hand, when the underwater mud suction machine needs to be overhauled, the submersible sewage pump can be quickly separated from the mud suction nozzle, thereby improving the efficiency of the overhaul and reducing the difficulty and complexity of the overhaul. On the other hand, the submersible sewage pump does not need to be set at the bottom of the water body, which can prevent the submersible sewage pump from burning dry, thereby improving the use efficiency of the equipment and reducing the maintenance cost.

[0011] Optionally, the disassembly and assembly mechanism further comprises a guide chain connected to a lifting ring on the top of the submersible sewage pump for lifting the submersible sewage pump, so that the submersible sewage pump can be moved up and down by lifting and lowering with external force.

[0012] Optionally, the disassembly and assembly mechanism also includes an operating table arranged above the water body to be treated and a support frame connected to the operating table and extending into the water body to be treated, the top end of the guide chain is connected to the operating table, and the mud pipe is fixedly connected to the support frame.

[0013] Optionally, the bottom of the mud inlet pipe is detachably connected to the interior of the connecting portion in a socket connection manner, and the outer wall surface of the bottom of the mud inlet pipe is sealed to the inner wall surface of the connecting portion via a sealing ring.

[0014] Optionally, a mud outlet for discharging water is further provided on the side of the submersible sewage pump, and the mud outlet is connected to the mud outlet pipe via an autocoupling device connected to the support frame.

[0015] Optionally, the autocoupling device includes a water outlet pipe seat fixed to the support frame for supporting the mud outlet pipe and a coupling frame for clamping the connection between the mud outlet pipe and the mud outlet; the autocoupling device also includes a vertical guide rod connected to the operating table or the support frame, and the coupling frame has a slide groove adapted to the guide rod and can slide up and down along the guide rod.

[0016] Optionally, the mud inlet pipe is detachably connected to the bottom mud inlet of the submersible sewage pump.

[0017] Optionally, the mud inlet pipe is connected to the bottom mud inlet of the submersible sewage pump in a detachable flange connection manner. And / or the water body to be treated is configured as a water body in a sedimentation tank.

[0018] Optionally, the mud suction nozzle, the mud pipe and the connecting portion are an integrated structure, and / or the connecting portion is a pipe body structure having a larger diameter than the mud pipe.

[0019] In a second aspect, an embodiment of the utility model further provides an underwater sludge suction machine, comprising a disassembly and assembly mechanism as in the above technical solution.

[0020] According to the underwater dredge suction machine of the utility model, since it includes a disassembly and assembly mechanism, maintenance is greatly facilitated, the difficulty and complexity of maintenance are reduced, and the use effect is good.

[0021] By utilizing the technical solution according to the embodiment of the utility model, the beneficial effects that can be obtained are at least:

[0022] 1. The disassembly and assembly mechanism of the embodiment of the utility model can quickly separate the submersible sewage pump from the mud suction nozzle when the underwater mud suction machine needs to be repaired, thereby improving the efficiency of the repair and reducing the difficulty and complexity of the repair;

[0023] 2. The disassembly and assembly mechanism of the embodiment of the utility model facilitates the up and down movement and installation of the submersible sewage pump through the guide chain, guide rod and autocoupling device;

[0024] 3. The disassembly and assembly mechanism of the embodiment of the utility model is convenient for disassembly and assembly of the mud inlet pipe by designing the mud inlet pipe to be detachably connected to the bottom mud inlet of the submersible sewage pump.

[0025] Additional advantages, purposes, and features of the present invention will be partially described in the following description, and will become partially apparent to those skilled in the art after studying the following, or may be learned from the practice of the present invention. The purposes and other advantages of the present invention can be achieved and obtained by the structures specifically pointed out in the specification and the drawings.

[0026] Those skilled in the art will understand that the purposes and advantages that can be achieved by the present invention are not limited to the above specific description, and the above and other purposes that can be achieved by the present invention will be more clearly understood based on the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present application, and do not constitute a limitation of the present invention. The components in the drawings are not drawn to scale, but are only for the purpose of illustrating the principles of the present invention. In order to facilitate the illustration and description of some parts of the present invention, the corresponding parts in the drawings may be enlarged, that is, they may become larger relative to other components in the exemplary device actually manufactured according to the present invention. In the drawings:

[0028] Figure 1 is a schematic diagram of a disassembly and assembly mechanism according to an embodiment of the utility model; and

[0029] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown.

[0030] Description of reference numerals:

[0031] 10: Sedimentation tank;

[0032] 100: disassembly and assembly mechanism;

[0033] 110: Submersible sewage pump;

[0034] 111: Mud inlet;

[0035] 112: mud outlet;

[0036] 120: Mud inlet pipe;

[0037] 130: Mud pipe;

[0038] 131: connection part;

[0039] 140: Mud suction nozzle;

[0040] 150: chain guide;

[0041] 161: Control panel;

[0042] 162: support frame;

[0043] 170: sealing ring;

[0044] 180: Autocoupling device;

[0045] 181: water outlet pipe seat;

[0046] 182: coupling frame;

[0047] 183: guide rod;

[0048] 190: Mud discharge pipe. DETAILED DESCRIPTION

[0049] By referring to the exemplary embodiments, the purposes and functions of the present invention and the methods for achieving these purposes and functions will be explained. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The essence of the description is only to help technicians in the relevant field to comprehensively understand the specific details of the present invention.

[0050] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0051] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of the "second component", and the term "second component" itself does not imply the existence of the "first component".

[0052] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in this document are for illustrative purposes only and are not limiting.

[0053] The embodiment of the utility model provides a disassembly and assembly mechanism 100 for an underwater dredge suction machine. The disassembly and assembly mechanism 100 can be applied to the field of underwater engineering equipment, such as dredge suction equipment, to solve the problem of inconvenient maintenance of existing underwater dredge suction machines.

[0054] Generally, underwater sludge suction machines are widely used in horizontal flow sedimentation tanks and secondary sedimentation tanks, and are mainly used to suck the sludge settled at the bottom of the tank into the sludge tank. Existing underwater sludge suction machines usually include a submersible sewage pump and a suction nozzle fixed to the submersible sewage pump. When working, the submersible sewage pump and the suction nozzle are placed together at the bottom of the tank. Through the operation of the submersible sewage pump, the sludge is sucked into the suction nozzle and transported to the sludge tank through a pipeline.

[0055] Therefore, the normal operation of the submersible sewage pump is very critical. Once a failure occurs, the submersible sewage pump and the suction nozzle are fixed together and placed at the bottom of the pool, which makes maintenance difficult, and the maintenance difficulty and cost are high. To at least solve the above problems, the embodiment of the utility model provides a disassembly and assembly mechanism 100 for an underwater sludge suction machine.

[0056] For ease of description, the disassembly and assembly mechanism in this embodiment is used for the water body of a sedimentation tank as an example, but this is not a limitation, and the disassembly and assembly mechanism 100 can also be applied to other water environments.

[0057] The utility model provides a disassembly and assembly mechanism 100 for an underwater dredge suction machine. In a preferred embodiment, Figure 1As shown, the disassembly and assembly mechanism 100 includes a submersible sewage pump 110, a mud inlet pipe 120, a mud pipe 130 and a mud suction nozzle 140. The submersible sewage pump 110 is used as a power device to provide power for sucking mud. The mud inlet pipe 120 is used to introduce mud into the submersible sewage pump 110. The mud pipe 130 is used to be detachably sealed and connected with the mud inlet pipe 120 for conveying mud. The mud suction nozzle 140 is used to suck mud.

[0058] Specifically, in Figure 1 In the illustrated embodiment, the submersible sewage pump 110 is used to be arranged in an upper position in the water body of the sedimentation tank 10. The submersible sewage pump 110 can be arranged at a certain distance below the water surface of the water body of the sedimentation tank 10. For example, the pump top of the submersible sewage pump 110 can be 1-2 meters below the liquid surface. This can prevent the submersible sewage pump 110 from burning dry, thereby improving the use efficiency of the equipment and reducing maintenance costs. The submersible sewage pump 110 can move up and down relative to the water body. As for how the submersible sewage pump 110 can move up and down relative to the water body, the specific implementation method may not be limited. The bottom mud inlet 111 of the submersible sewage pump 110 is connected to a mud inlet pipe 120 extending vertically downward for introducing water.

[0059] Further, in order to facilitate the disassembly and assembly of the mud inlet pipe 120, the mud inlet pipe 120 can be detachably connected to the bottom mud inlet 111 of the submersible sewage pump 110. For example, it can be detachably connected to the bottom mud inlet 111 of the submersible sewage pump 110 by flange connection. There is no specific limitation.

[0060] The mud pipe 130 for transporting water is used to be fixed at the lower position of the water body in the sedimentation tank 10. The vertically extending mud pipe 130 can be connected to the mud inlet pipe 120 to achieve mutual communication. Among them, the top of the mud pipe 130 has a connection portion 131 for detachably sealingly connecting to the bottom of the mud inlet pipe 120. The mud pipe 130 and the mud inlet pipe 120 adopt a detachable connection method, which can quickly separate the submersible sewage pump 110 from the mud pipe 130 (mud suction nozzle 140), thereby improving the efficiency of maintenance and reducing the difficulty and complexity of maintenance. At the same time, the mud pipe 130 and the mud inlet pipe 120 are connected in a sealed manner to ensure that the submersible sewage pump 110 does not leak during the suction process. The bottom end of the mud pipe 130 is connected to the mud suction nozzle 140 with a gradually larger diameter downward. The mud suction nozzle 140 with a gradually larger diameter downward increases the mud suction area, which is more conducive to sucking sludge.

[0061] In a preferred embodiment, the mud suction nozzle 140, the mud passing pipe 130 and the connecting portion 131 may be an integrated structure, which is convenient for manufacturing and improves the overall strength.

[0062] In order to more conveniently achieve the connection between the mud passing pipe 130 and the mud inlet pipe 120, the connecting portion 131 may be a pipe body structure with a larger diameter than the mud passing pipe 130, that is, the connecting portion 131 is a pipe body structure that expands outward relative to the mud passing pipe 130. It is understood that the bottom portion of the mud inlet pipe 120 may also be a pipe body structure with a larger diameter than the main portion of the mud inlet pipe 120, or there may be a difference in inner and outer diameters between the mud passing pipe 130 and the mud inlet pipe 120.

[0063] After the submersible sewage pump 110 is separated from the mud pipe 130 and the mud suction nozzle 140, the submersible sewage pump 110 can be inspected and repaired. If the submersible sewage pump 110 is found to be faulty, it can be replaced immediately without stopping the water supply, emptying the tank body, etc., thereby simplifying the inspection and repair process and reducing operation time and manpower consumption.

[0064] During the entire maintenance process, a standby pump can be set up to achieve the effect of non-stop water maintenance. This can not only ensure the normal operation of the sewage treatment plant, but also ensure the safe operation of the sewage treatment plant, so as to achieve standard discharge.

[0065] After the submersible sewage pump 110 is overhauled, the mud pipe 130 is reconnected with the mud inlet pipe 120 to restore the connection between the submersible sewage pump 110 and the mud pipe 130 and the mud suction nozzle 140 .

[0066] According to the disassembly and assembly mechanism 100 of the utility model, when the underwater sludge suction machine needs to be repaired, the submersible sewage pump 110 can be quickly separated from the sludge suction nozzle 140, thereby improving the efficiency of the repair and reducing the difficulty and complexity of the repair. At the same time, the submersible sewage pump 110 does not need to be set at the bottom of the water body, which can prevent the submersible sewage pump 110 from burning dry, thereby improving the use efficiency of the equipment and reducing the repair cost.

[0067] Continue to refer Figure 1 In order to realize the up and down movement of the submersible sewage pump 110, the disassembly and assembly mechanism 100 may further include a guide chain 150 connected to a lifting ring at the top of the submersible sewage pump 110 for lifting the submersible sewage pump 110. The guide chain 150 drives the submersible sewage pump 110 to move up and down by external force. For example, it may be manually pulled by manpower, or mechanical equipment provides power for pulling.

[0068] In order to realize the installation of the submersible sewage pump 110, the mud pipe 130, etc. in the sedimentation tank 10, the disassembly and assembly mechanism 100 can also include an operating table arranged above the water body of the sedimentation tank 10 and a support frame 162 connected to the operating table extending into the water body of the sedimentation tank 10. The specific forms of the operating table and the support frame 162 are not limited. The top end of the guide chain 150 can be connected to the operating table. The mud pipe 130 can be fixedly connected to the support frame 162.

[0069] refer to Figure 2In order to provide a convenient and effective detachable connection method between the mud pipe 130 and the mud inlet pipe 120, the bottom of the mud inlet pipe 120 can be detachably connected to the inside of the connection part 131 in a socket connection method. The outer wall surface of the bottom of the mud inlet pipe 120 is sealed to the inner wall surface of the connection part 131 via a sealing ring 170. It can be understood that other detachable connection methods that can achieve the same or equivalent effects can also be used, which will not be expanded here.

[0070] As can be seen from the above, the submersible sewage pump 110 is used as a power device to provide power for sucking sludge. In addition to the sludge inlet 111, the side of the submersible sewage pump 110 is also provided with a sludge outlet 112 for draining water. The sludge outlet 112 is connected to a sludge outlet pipe 190 for draining water outward.

[0071] Furthermore, the mud outlet 112 may be connected to the mud outlet pipe 190 via an autocoupler 180 connected to the support frame 162 .

[0072] Among them, the autocoupling device 180 can adopt the existing technical device in this field to achieve better up and down movement of the submersible sewage pump 110, as well as faster and more accurate docking between the mud outlet 112 and the mud outlet pipe 190. Its specific structure and working principle are not described in detail. Please refer to the authorization announcement number: CN204152845U, the name: A Chinese utility model patent for an automatic coupling device of a submersible sewage pump, refer to the authorization announcement number: CN208380972U, the name: A Chinese utility model patent for an automatic coupling device of a submersible sewage pump, and refer to the authorization announcement number: CN209510657U, the name: A Chinese utility model patent for an automatic coupling device of a submersible sewage pump.

[0073] For example, the autocoupler 180 may include a water outlet pipe seat 181 fixed to the support frame 162 for supporting the mud outlet pipe 190 and a coupling frame 182 for clamping the connection between the mud outlet pipe 190 and the mud outlet 112. The coupling frame 182 can be connected to the mud outlet 112. The autocoupler 180 also includes a vertical guide rod 183 connected to the operating table or the support frame 162. The guide rod 183 can be connected to the operating table or the support frame 162 through an intermediate connector. The coupling frame 182 has a slide groove (not shown) that is adapted to the guide rod 183 and can slide up and down along the guide rod 183.

[0074] To sum up, according to the disassembly and assembly mechanism 100 of the utility model, when the underwater dredge suction machine needs to be overhauled, the submersible sewage pump 110 can be quickly separated from the mud suction nozzle 140, thereby improving the efficiency of the overhaul and reducing the difficulty and complexity of the overhaul; at the same time, through the guide chain 150, the guide rod 183 and the autocoupling device 180, the up and down movement and rapid installation of the submersible sewage pump 110 are facilitated; in addition, by designing the mud inlet pipe 120 to be detachably connected to the bottom mud inlet 111 of the submersible sewage pump 110, the disassembly and assembly of the mud inlet pipe 120 is facilitated.

[0075] In addition, the embodiment of the utility model further provides an underwater dredge suction machine. Since the underwater dredge suction machine of the embodiment of the utility model includes the disassembly and assembly mechanism 100 of the above embodiment, it accordingly includes all the structures and effects of the disassembly and assembly mechanism 100, which will not be described in detail here.

[0076] In combination with the description and practice of the utility model disclosed herein, other embodiments of the utility model are easy to think of and understand for those skilled in the art. The description and embodiments are considered to be exemplary only, and the true scope and spirit of the utility model are defined by the claims.

Claims

1. A disassembly and assembly mechanism for an underwater dredge suction machine, characterized in that: The disassembly and assembly mechanism comprises: A submersible sewage pump arranged at an upper position in a water body to be treated and movable up and down relative to the water body, wherein a bottom mud inlet of the submersible sewage pump is connected to a mud inlet pipe extending vertically downward for introducing the mud into the water body; and A vertically extending mud pipe for transporting water, which is fixed at a lower position in the water body to be treated and can be connected to the mud inlet pipe, wherein the top of the mud pipe has a connecting portion for detachably sealingly connecting to the bottom of the mud inlet pipe, and the bottom end of the mud pipe is connected to a mud suction nozzle with a gradually increasing diameter downwards.

2. The disassembly and assembly mechanism according to claim 1, characterized in that: It also includes a guide chain connected to a lifting ring on the top of the submersible sewage pump for lifting the submersible sewage pump, so that the submersible sewage pump can be lifted and lowered by external force to achieve up and down movement.

3. The disassembly and assembly mechanism according to claim 2, characterized in that: It also includes an operating table arranged above the water body to be treated and a support frame connected to the operating table and extending into the water body to be treated, the top end of the guide chain is connected to the operating table, and the mud pipe is fixed to the support frame.

4. The disassembly and assembly mechanism according to claim 1, characterized in that: The bottom of the mud inlet pipe is detachably connected to the interior of the connection part in a socket connection manner, and the outer wall surface of the bottom of the mud inlet pipe is sealed and connected to the inner wall surface of the connection part via a sealing ring.

5. The disassembly and assembly mechanism according to claim 3, characterized in that: The side of the submersible sewage pump is also provided with a mud outlet for draining out the water body, and the mud outlet is connected to the mud outlet pipe via an autocoupling device connected to the support frame.

6. The disassembly and assembly mechanism according to claim 5, characterized in that: The autocoupling device includes a water outlet pipe seat fixed to the support frame for supporting the mud outlet pipe and a coupling frame for clamping the connection between the mud outlet pipe and the mud outlet; the autocoupling device also includes a vertical guide rod connected to the operating table or the support frame, and the coupling frame has a slide groove adapted to the guide rod and can slide up and down along the guide rod.

7. The disassembly and assembly mechanism according to claim 1, characterized in that: The mud inlet pipe is detachably connected to the bottom mud inlet of the submersible sewage pump.

8. The disassembly and assembly mechanism according to claim 7, characterized in that: The mud inlet pipe is connected to the bottom mud inlet of the submersible sewage pump in a detachable flange connection manner; and / or The water body to be treated is the water body in a sedimentation tank.

9. The disassembly and assembly mechanism according to claim 1, characterized in that: The mud suction nozzle, the mud passing pipe and the connecting portion are an integrated structure; and / or The connecting portion shown is a pipe body structure with a pipe diameter larger than that of the mud pipe.

10. An underwater dredge suction machine, characterized in that: It comprises a disassembly and assembly mechanism as claimed in any one of claims 1 to 9.

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