CN219061327U - Mud door opening and closing device - Google Patents
Mud door opening and closing device Download PDFInfo
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- CN219061327U CN219061327U CN202223059791.4U CN202223059791U CN219061327U CN 219061327 U CN219061327 U CN 219061327U CN 202223059791 U CN202223059791 U CN 202223059791U CN 219061327 U CN219061327 U CN 219061327U
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- mud door
- mud
- door
- pull rod
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Abstract
The utility model discloses a mud door opening and closing device, which comprises a mud door body, wherein the mud door body consists of two mud doors which are opened in opposite directions, the mud door body is connected with a mud cabin of a ship body through an ear plate fixed on the ship body, a large ear plate at the upper end of the mud door body is connected with a mud door transmission mechanism, the opening and closing of the mud door is mainly controlled by the mud door transmission mechanism, and a hydraulic cylinder is fixed above the mud door transmission mechanism. This mud door hoist passes through the guide holder and passes through the fix with screw in mud door main pull rod bottom, and when hydraulic cylinder control mud door main pull rod was flexible, guide holder and guide block can be along with mud door main pull rod synchronous flexible, and the guide block slides in the spacing inslot of seting up on the limiting plate, and the spacing groove has restricted the position of guide block, and then has limited the position of mud door main pull rod for main pull rod can not take place the skew at the in-process that removes, avoids the mud door to appear opening incomplete condition, has improved mud discharging efficiency.
Description
Technical Field
The utility model relates to the technical field of dredging equipment, in particular to a mud door opening and closing device.
Background
The dredging ship is widely applied to the engineering of sea-reclamation, port construction, channel dredging, river and lake management and the like, the autonomous innovation capability of the Chinese dredging industry is obviously improved, the dredging equipment of China also runs on the domestic road, and a mud gate in the dredging ship is used as a core device for quick underwater mud discharge, so that the dredging ship is a key device for ensuring that the trailing suction hopper dredger finishes self-loading and self-unloading operation.
At present, the existing mud door opening and closing device on the market adopts a mud door main pull rod and a mud door lower pull rod to be directly connected with the mud door, but long-time work is easy to cause the main pull rod to deviate in the moving process, so that the lower pull rod deviates, the incomplete opening of the mud door is caused, and the mud unloading efficiency is influenced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a mud door opening and closing device, which comprises a mud door body, wherein the mud door body consists of two mud doors which are oppositely opened, the mud door body is connected with a mud cabin of a ship body through a lug plate fixed on the ship body, a large lug plate at the upper end of the mud door body is connected with a mud door transmission mechanism, the opening and closing of the mud door are mainly controlled by the mud door transmission mechanism, and a hydraulic cylinder is fixed above the mud door transmission mechanism;
the mud door sealing mechanism is arranged around the mud door body and is used for preventing seawater from penetrating or mud from leaking;
the mud door self-standing mechanism is connected with the mud door transmission mechanism and is used for enabling the whole mud door opening and closing device to stand in the mud cabin;
the mud door guide mechanism is fixed on the mud door transmission mechanism, and the mud door self-supporting mechanism is used for ensuring that the main pull rod moves along the vertical direction.
Preferably, the mud door transmission mechanism comprises a mud door lower pull rod and a mud door main pull rod, one end of the mud door lower pull rod is hinged with the mud door main pull rod, the lower part of the mud door lower pull rod is hinged with the mud door body, and the upper part of the mud door lower pull rod is hinged with the mud door main pull rod.
Preferably, the mud door sealing mechanism comprises a mud door rubber sealing ring and a butt joint rubber sealing strip, the mud door rubber sealing ring and the butt joint rubber sealing strip are fixed on the periphery of the mud door body through connecting steel bodies, sealing between a mud door and a mud door frame of a mud bulkhead is ensured through the mud door rubber sealing ring, sealing between two mud door bodies is ensured when the mud door body is closed through compression rebound of the butt joint rubber sealing strip, and mud leakage is ensured, so that the compression amount of the sealing strip and the performance of seawater corrosion prevention are very important.
Preferably, the self-standing type mud door mechanism comprises a mud door oil cylinder seat and a mud door supporting tube, wherein the mud door oil cylinder seat is fixed below the hydraulic oil cylinder, one end of the mud door supporting tube is connected with the mud door oil cylinder seat, and the other end of the mud door supporting tube is connected with the mud cabin of the ship body.
Preferably, the mud door guiding mechanism comprises a guiding seat and a guiding block, wherein the guiding seat is fixed on the main mud door pull rod through a screw, and the guiding block is fixed on the guiding seat.
Preferably, the working pressure design value of the hydraulic cylinder is 25Mpa.
Preferably, a limiting plate is arranged on the mud door oil cylinder seat, and a limiting groove is formed in the limiting plate.
Preferably, three mud door stay tubes are arranged.
Preferably, the limit groove is matched with the guide block.
Preferably, the limit groove and the guide block are provided in plurality.
The technical scheme has the following advantages or beneficial effects:
according to the utility model, the guide seat is fixed at the bottom of the main pull rod of the mud door through the screw, when the hydraulic oil cylinder controls the main pull rod of the mud door to stretch out and draw back, the guide seat and the guide block can synchronously stretch out and draw back along with the main pull rod of the mud door, the guide block slides in the limiting groove formed in the limiting plate, the position of the guide block is limited by the limiting groove, and the position of the main pull rod of the mud door is further limited, so that the main pull rod cannot deviate in the moving process, the condition of incomplete opening of the mud door is avoided, and the mud unloading efficiency is improved.
Drawings
FIG. 1 is a schematic view showing a closed state structure of a mud door opener according to an embodiment of the present utility model;
FIG. 2 is a schematic view showing an open state structure of a mud door opener according to an embodiment of the present utility model;
FIG. 3 is a side view of a mud door operator according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of the mud door guide mechanism of the mud door starter of FIG. 1;
FIG. 5 is a schematic view of the structure of a mud door cylinder seat in the mud door opener of FIG. 1;
FIG. 6 is an enlarged view of a portion of the mud door starter of FIG. 1 at A;
fig. 7 is a partial enlarged view of the mud door starter of fig. 1 at B.
Legend description:
1. a mud door body; 2. a mud door transmission mechanism; 3. a mud door sealing mechanism; 4. a mud door self-standing mechanism; 5. a mud door guiding mechanism; 6. a hydraulic cylinder; 201. a mud door lower pull rod; 202. a mud door main pull rod; 31. a mud door rubber sealing ring; 32. butting a rubber sealing strip; 33. connecting the steel bodies; 41. a mud door cylinder seat; 42. a mud door supporting tube; 43. a limiting plate; 44. a limit groove; 51. a guide seat; 52. and a guide block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-7, the utility model relates to a mud door opening and closing device, which comprises a mud door body 1, wherein the mud door body 1 consists of two mud doors which are opened in opposite directions, the mud door body 1 is connected with a mud cabin of a ship through a lug plate fixed on the ship, a big lug plate at the upper end of the mud door body 1 is connected with a mud door transmission mechanism 2, the opening and closing of the mud door is mainly controlled by the mud door transmission mechanism 2, and a hydraulic cylinder 6 is fixed above the mud door transmission mechanism 2; the mud door sealing mechanism 3 is arranged around the mud door body 1, and the mud door sealing mechanism 3 is used for preventing seawater from penetrating or mud from leaking; the mud door self-supporting mechanism 4 is connected with the mud door transmission mechanism 2, and the mud door self-supporting mechanism 4 is used for enabling the whole mud door opening and closing device to stand in the mud cabin; the mud door guide mechanism 5 is fixed on the mud door transmission mechanism 2, and the mud door self-supporting mechanism 4 is used for ensuring that the main pull rod moves along the vertical direction; the hydraulic cylinder 6 is used for controlling the mud door transmission mechanism 2 to work and control the mud door to open and close, the mud door self-supporting mechanism 3 mainly comprises a mud door cylinder seat and an inclined strut pipe, the mud door cylinder seat is supported by the inclined strut pipe to realize that the whole mud door device is self-supporting in a mud cabin, a certain distance is needed between the lowest point of the lower part of the mud door in an open state and the seabed, the mud door is prevented from collision or abrasion in the open state, damage to the mud door is prevented, the mud door cannot be closed in advance before mud is discharged in the mud cabin, and the hydraulic system does not consider the condition that the mud door is not discharged when the mud door is closed in design.
As shown in fig. 1 and 2, further, the mud door transmission mechanism 2 comprises a mud door lower pull rod 201 and a mud door main pull rod 202, one end of the mud door lower pull rod 201 is hinged with the mud door main pull rod 202, the lower part of the mud door lower pull rod 201 is hinged with the mud door body 1, the upper part of the mud door lower pull rod 201 is hinged with the mud door main pull rod 202, and the working pressure design value of the hydraulic oil cylinder 6 is 25Mpa; the main mud door pull rod 202 is controlled to work through the hydraulic oil cylinder 6 to drive the lower mud door pull rod 201 to work, so that the lower mud door pull rod 201 drives the opening and closing of the mud door, and the hydraulic oil cylinder 6 provides power for the opening and closing of the whole mud door opening and closing device.
As shown in fig. 4 and 5, the mud door guiding mechanism 5 comprises a guiding seat 51 and a guiding block 52, the guiding seat 51 is fixed on a mud door main pull rod 202 through screws, the guiding block 52 is fixed on the guiding seat 51, a limiting plate 43 is arranged on a mud door cylinder seat 41, a limiting groove 44 is formed in the limiting plate 43, the limiting groove 44 is matched with the guiding block 52, and a plurality of limiting grooves 44 and the guiding block 52 are arranged; through guide holder 51 through the fix with screw in mud door owner pull rod 202 bottom, when hydraulic cylinder 6 control mud door owner pull rod 202 stretches out and draws back, guide holder 51 and guide block 52 can be along with mud door owner pull rod 202 carries out synchronous flexible, and guide block 52 slides in the spacing groove 44 of seting up on limiting plate 43, and the spacing groove 44 has restricted the position of guide block 52, and then has limited the position of mud door owner pull rod 202 for main pull rod can not take place the skew at the in-process that removes, avoids the mud door to appear opening incomplete condition, has improved mud discharging efficiency.
Embodiment two:
as shown in fig. 6 and fig. 7, on the basis of the first embodiment, the present utility model provides a technical solution: the mud door sealing mechanism 3 comprises a mud door rubber sealing ring 31 and a butt joint rubber sealing strip 32, and the mud door rubber sealing ring 31 and the butt joint rubber sealing strip 32 are fixed around the mud door body 1 through a connecting steel body 33; the connecting steel body 33 comprises round steel, flat steel and angle steel, the periphery of the rubber sealing ring and the rubber sealing strip is ensured to be fixed through the round steel, the flat steel and the angle steel, and the sealing ring 31 and the butt joint rubber sealing strip 32 are fixed around the door seam of the mud door body 1, so that seawater infiltration or slurry leakage can be prevented.
As shown in fig. 1 and 2, further, the self-standing type mud door mechanism 4 comprises a mud door oil cylinder seat 41 and a mud door supporting tube 42, wherein the mud door oil cylinder seat 41 is fixed below the hydraulic oil cylinder 6 and sleeved outside a main mud door pull rod 202, one end of the mud door supporting tube 42 is connected with the mud door oil cylinder seat 41, the other end of the mud door supporting tube 42 is connected with a mud cabin of a ship body, three mud door supporting tubes 42 are arranged, and the whole mud door opening and closing device is supported on a longitudinal bulkhead of the mud cabin of the ship body through the mud door supporting tubes 42, so that the influence of total longitudinal bending of the ship body on the mud door opening and closing device is reduced.
Working principle: the staff can drive the mud door drive mechanism 2 to work through controlling the work of the hydraulic cylinder 6, control the opening and closing of the mud door, support the mud door cylinder seat through the inclined strut pipe and realize that whole mud door device is free-standing in the mud cabin, fix in mud door main pull rod 202 bottom through the guide holder 51 through the screw, when the flexible of mud door main pull rod 202 is controlled to hydraulic cylinder 6, guide holder 51 and guide block 52 can carry out synchronous flexible along with mud door main pull rod 202, guide block 52 slides in the spacing groove 44 of seting up on limiting plate 43, the position of guide block 52 has been restricted to the spacing groove 44, and then the position of mud door main pull rod 202 has been limited, make main pull rod can not take place the skew in the in-process that removes, avoid the incomplete condition of opening to appear in the mud door, fix around the door crack of mud door body 1 through mud door rubber seal 31 and butt joint rubber seal 32, can prevent sea water infiltration or mud leakage.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. The mud door opening and closing device is characterized by comprising a mud door body (1), wherein the mud door body (1) consists of two mud doors which are opened in opposite directions, the mud door body is connected with a mud cabin of a ship body through an ear plate fixed on the ship body, a big ear plate at the upper end of the mud door body (1) is connected with a mud door transmission mechanism (2), the opening and closing of the mud door are mainly controlled by the mud door transmission mechanism (2), and a hydraulic cylinder (6) is fixed above the mud door transmission mechanism (2);
the mud door sealing mechanism (3) is arranged around the mud door body (1), and the mud door sealing mechanism (3) is used for preventing seawater from penetrating or mud from leaking;
the mud door self-supporting mechanism (4), the mud door self-supporting mechanism (4) is connected with the mud door transmission mechanism (2), and the mud door self-supporting mechanism (4) is used for enabling the whole mud door opening and closing device to self-support in the mud cabin;
the mud door guiding mechanism (5), the mud door guiding mechanism (5) is fixed on the mud door transmission mechanism (2), and the mud door self-supporting mechanism (4) is used for ensuring that the main pull rod moves along the vertical direction.
2. A mud door opener according to claim 1, characterized in that: the mud door transmission mechanism (2) comprises a mud door lower pull rod (201) and a mud door main pull rod (202), one end of the mud door lower pull rod (201) is hinged to the mud door main pull rod (202), the lower portion of the mud door lower pull rod (201) is hinged to the mud door body (1), and the upper portion of the mud door lower pull rod (201) is hinged to the mud door main pull rod (202).
3. A mud door opener according to claim 1, characterized in that: the mud door sealing mechanism (3) comprises a mud door rubber sealing ring (31) and a butt joint rubber sealing strip (32), and the mud door rubber sealing ring (31) and the butt joint rubber sealing strip (32) are fixed around the mud door body (1) through a connecting steel body (33).
4. A mud door opener according to claim 1, characterized in that: the mud door self-supporting mechanism (4) comprises a mud door oil cylinder seat (41) and a mud door supporting tube (42), wherein the mud door oil cylinder seat (41) is fixed below the hydraulic oil cylinder (6) and sleeved outside a mud door main pull rod (202), one end of the mud door supporting tube (42) is connected with the mud door oil cylinder seat (41), and the other end of the mud door supporting tube (42) is connected with a mud cabin of a ship body.
5. A mud door opener according to claim 1, characterized in that: the mud door guiding mechanism (5) comprises a guiding seat (51) and a guiding block (52), wherein the guiding seat (51) is fixed on a mud door main pull rod (202) through a screw, and the guiding block (52) is fixed on the guiding seat (51).
6. A mud door opener according to claim 1, characterized in that: the working pressure design value of the hydraulic oil cylinder (6) is 25Mpa.
7. The mud door opener according to claim 4, wherein: the mud door oil cylinder seat (41) is provided with a limiting plate (43), and the limiting plate (43) is provided with a limiting groove (44).
8. The mud door opener according to claim 4, wherein: three mud door stay tubes (42) are arranged.
9. The mud door opener according to claim 7, wherein: the limit groove (44) is matched with the guide block (52).
10. The mud door opener according to claim 7, wherein: the limiting groove (44) and the guide block (52) are provided in plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223059791.4U CN219061327U (en) | 2022-11-17 | 2022-11-17 | Mud door opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223059791.4U CN219061327U (en) | 2022-11-17 | 2022-11-17 | Mud door opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219061327U true CN219061327U (en) | 2023-05-23 |
Family
ID=86375937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223059791.4U Active CN219061327U (en) | 2022-11-17 | 2022-11-17 | Mud door opening and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219061327U (en) |
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2022
- 2022-11-17 CN CN202223059791.4U patent/CN219061327U/en active Active
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