Connecting structure of truss on single-pipe suction dredger
By designing the sliding connection and traction mechanism of the truss on the single-tube mud suction machine, the disassembly inconvenience caused by welding fixing is solved, and convenient fixing and disassembling of trusses and central cages is achieved, which improves the convenience and stability of operation.
Patent Information
- Application Number
- CN202420857650.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The trusses and central cages of existing single-tube mud suction machines are welded and fixed, and a cutting machine is required for disassembly, resulting in inconvenience in disassembly.
A connecting structure of trusses on a single-tube mud suction machine is designed, which can be easily disassembled through sliding connection and traction mechanism, including truss plate, central mechanism, fixing mechanism and traction mechanism, and uses slide chutes, limit holes, cables and screws to telescope. The device realizes the fixing and disassembly of the center cage.
It realizes convenient disassembly and fixing of single-tube mud suction machine trusses, improves the convenience and stability of operation, and avoids difficulties in welding disassembly.
Smart Images

Figure CN222150998U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of single-tube dredge suction machines, in particular to a connection structure of a truss on a single-tube dredge suction machine. Background Art
[0002] The sludge suction machine is used in the horizontal flow sedimentation tank of sewage treatment plants and water plants. It scrapes the sludge settled on the bottom of the tank to the pump suction port, sucks the sludge while driving through the pump, and then discharges the sludge out of the tank. Among them, the center-driven single-tube scraper is suitable for scraping and discharging sludge from radial flow (circular) sedimentation tanks with a diameter of no more than 18m in water plants or sewage treatment plants in water supply and drainage projects.
[0003] At present, the truss and the center cage of the single-tube dredger rotate at the same time, so the connection between the truss and the center cage needs to be fixed, and the truss and the center cage of most single-tube dredgers are fixed by welding, and the welding fixation requires a cutting machine to disassemble during disassembly, resulting in inconvenience in disassembly. In view of this, the utility model proposes a connection structure of the truss on the single-tube dredger. Summary of the invention
[0004] 1. Technical issues to be solved
[0005] The utility model aims to provide a connection structure of the truss on a single-tube dredger, which has the advantage of being easy to disassemble, so as to solve the problem that the welding fixation proposed in the above background technology requires a cutting machine to be disassembled, resulting in inconvenient disassembly.
[0006] (II) Technical solution
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A connection structure of a truss on a single-tube dredger comprises a truss plate, a central mechanism is inserted into the interior of the truss plate, a fixing mechanism is slidably connected to the top of the truss plate, the fixing mechanism is sleeved outside the central mechanism, and traction mechanisms are fixedly connected to both sides of the fixing mechanism;
[0009] The central mechanism includes a central rotating cage and a central column, wherein the central rotating cage is inserted into the interior of the truss plate, and the central column is inserted into the interior of the central rotating cage;
[0010] The fixing mechanism includes a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are both slidably connected above the truss plate, and the interiors of the first fixing frame and the second fixing frame are both in contact with the exterior of the central cage, and the exteriors of the first fixing frame and the second fixing frame are both fixedly connected with cables, and the two cables are pulled in opposite directions by the traction mechanism.
[0011] As a preferred technical solution, two slide grooves are provided on the top of the truss plate, and the first fixed frame and the second fixed frame are slidably connected inside the two slide grooves respectively.
[0012] As a preferred technical solution, the first rope and the second rope are fixedly connected to both sides of the top of the central rotating cage, and a plurality of limiting holes are opened on both sides of the bottom of the central rotating cage.
[0013] As a preferred technical solution, a slider is fixedly connected to the bottom of each of the first fixed frame and the second fixed frame, and the slider is slidably connected to the inside of the slide groove, and a first fixed block and a second fixed block are fixedly connected to the two sides of the first fixed frame and the second fixed frame, respectively, and cables are fixedly connected to the inside of each of the first fixed block and the second fixed block, and the two cables pass through the symmetrical first fixed block and the second fixed block, respectively.
[0014] As a preferred technical solution, a plurality of limit blocks are fixedly connected to the inside of the first fixed frame and the second fixed frame, and the plurality of limit blocks are respectively inserted into the inside of the plurality of limit holes, plug-in grooves are provided at both ends of the first fixed frame, and a plug-in block is fixedly connected to both ends of the second fixed frame, and the two plug-in blocks are respectively plugged into the inside of the two plug-in grooves.
[0015] As a preferred technical solution, the traction mechanism includes two traction ropes, one end of the two traction ropes is fixedly connected to one end of the two cables respectively, and the end of the traction rope away from the cable is fixedly connected to a screw retractor, one end of the screw retractor is hooked on one end of the second rope.
[0016] As a preferred technical solution, the outsides of the two traction ropes are both transmission-connected with pulleys, and both sides of the pulleys are rotatably connected with mounting blocks, and the bottom of the mounting blocks is fixedly connected to the top of the truss plate.
[0017] (III) Beneficial effects
[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0019] 1. The utility model splices the first fixing frame and the second fixing frame, inserts the limit block into the limit hole, and then tightens the cable through the screw retractor to make the first fixing frame and the second fixing frame fit closely, so that the center cage can be fixed, otherwise the center rotating wheel can be disassembled.
[0020] 2. The utility model can drive the first fixed frame and the second fixed frame to move in opposite directions through the movement of two cables, thereby increasing the stability of the fixation. The truss can be fixed by connecting it with the second rope through the pulley and the traction rope, and the first rope plays an auxiliary fixing role. The screw retractor can prevent the cable from accidentally rebounding and causing the center cage to loosen. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 This is a schematic diagram of the overall structure of the truss of the utility model;
[0023] Figure 2 This is a schematic diagram of the central rotating cage structure of the utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the first fixing frame and the second fixing frame of the utility model;
[0025] Figure 4 It is a schematic diagram of the traction mechanism structure of the utility model.
[0026] In the figure: 1. truss plate; 11. slide; 2. center mechanism; 21. center cage; 22. center column; 23. first rope; 24. second rope; 25. limiting hole; 3. fixing mechanism; 31. first fixing frame; 32. second fixing frame; 33. slider; 34. first fixing block; 35. second fixing block; 36. cable; 37. limiting block; 38. plug-in slot; 39. plug-in block; 4. traction mechanism; 41. traction rope; 42. pulley; 43. mounting block; 44. screw retractor. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] According to the attached Figure 1-4 As shown, the embodiment of the utility model provides a connection structure of the truss on a single-tube dredger, comprising a truss plate 1, a central mechanism 2 is inserted into the interior of the truss plate 1, and a fixing mechanism 3 is slidably connected to the top of the truss plate 1, the fixing mechanism 3 is sleeved on the outside of the central mechanism 2, and traction mechanisms 4 are fixedly connected to both sides of the fixing mechanism 3;
[0029] The central mechanism 2 includes a central rotating cage 21 and a central column 22. The central rotating cage 21 is inserted into the interior of the truss plate 1, and the central column 22 is inserted into the interior of the central rotating cage 21.
[0030] The fixing mechanism 3 includes a first fixing frame 31 and a second fixing frame 32. The first fixing frame 31 and the second fixing frame 32 are both slidably connected to the top of the truss plate 1, and the interiors of the first fixing frame 31 and the second fixing frame 32 are both in contact with the exterior of the central cage 21. The exteriors of the first fixing frame 31 and the second fixing frame 32 are both fixedly connected with cables 36, and the two cables 36 are pulled in opposite directions by the traction mechanism 4.
[0031] By splicing the first fixing frame 31 and the second fixing frame 32, and inserting the limit block 37 into the inside of the limit hole 25, and then tightening the cable 36 through the traction mechanism 4, the first fixing frame 31 and the second fixing frame 32 are closely fitted, so that the central rotating cage 21 can be fixed, otherwise the central rotating wheel can be removed.
[0032] As a preferred embodiment of the present invention, two slide grooves 11 are provided on the top of the truss plate 1 , and the first fixing frame 31 and the second fixing frame 32 are slidably connected inside the two slide grooves 11 , respectively.
[0033] The two slide grooves 11 facilitate the sliding of the first fixed frame 31 and the second fixed frame 32, so that the central rotating wheel can be installed and removed.
[0034] As a preference of this embodiment, both sides of the top of the central rotating cage 21 are fixedly connected with the first rope 23 and the second rope 24 , and both sides of the bottom of the central rotating cage 21 are provided with a plurality of limiting holes 25 .
[0035] The first rope 23 and the second rope 24 play a role in fixing the truss, and the second rope 24 also plays a role in fixing the central cage 21 .
[0036] As a preferred embodiment of the present invention, a slider 33 is fixedly connected to the bottom of the first fixed frame 31 and the second fixed frame 32, and the slider 33 is slidably connected to the inside of the slide groove 11, and a first fixed block 34 and a second fixed block 35 are fixedly connected to the two sides of the first fixed frame 31 and the second fixed frame 32, respectively, and a cable 36 is fixedly connected to the inside of the first fixed block 34 and the second fixed block 35, and the two cables 36 pass through the symmetrical first fixed block 34 and the second fixed block 35, respectively.
[0037] The two cables 36 move, causing the first fixing frame 31 and the second fixing frame 32 to be subjected to an opposite force, so that the plug-in block 39 is tightly inserted into the plug-in slot 38 , thereby increasing the stability of the connection between the first fixing frame 31 and the second fixing frame 32 .
[0038] As a preferred embodiment of the present invention, a plurality of limit blocks 37 are fixedly connected to the interior of the first fixed frame 31 and the second fixed frame 32, and the plurality of limit blocks 37 are respectively inserted into the interior of the plurality of limit holes 25, plug-in grooves 38 are provided at both ends of the first fixed frame 31, and a plug-in block 39 is fixedly connected to both ends of the second fixed frame 32, and the two plug-in blocks 39 are respectively plugged into the interior of the two plug-in grooves 38.
[0039] The limiting block 37 is inserted into the limiting hole 25 to assist in positioning and prevent the first fixing frame 31 and the second fixing frame 32 from shaking, and the plug-in block 39 is inserted into the plug-in hole to facilitate alignment of the first fixing frame 31 and the second fixing frame 32.
[0040] As a preferred embodiment of the present invention, the traction mechanism 4 includes two traction ropes 41, one end of the two traction ropes 41 is respectively fixedly connected to one end of the two cables 36, and one end of the traction rope 41 away from the cable 36 is fixedly connected to a screw retractor 44, one end of the screw retractor 44 is hooked on one end of the second rope 24.
[0041] When the screw expander 44 rotates, the cable 36 is driven to move, thereby tightening the cable 36 , increasing the firmness of the first fixing frame 31 and the second fixing frame 32 , and fixing the truss plate 1 .
[0042] As a preferred embodiment of the present invention, the outsides of the two traction ropes 41 are both transmission-connected with pulleys 42 , and both sides of the pulleys 42 are rotationally connected with mounting blocks 43 , and the lower part of the mounting blocks 43 is fixedly connected to the upper part of the truss plate 1 .
[0043] The pulley 42 moves with the traction rope 41 and plays the effect of fixing the truss plate 1 .
[0044] When the connection structure of the truss on a single-tube dredge suction machine of the utility model is used, first the center column 22 and the center cage 21 are placed inside the truss plate 1, and then the first fixed frame 31 and the second fixed frame 32 are moved, so that the limit block 37 is inserted into the inside of the limit hole 25, and the plug-in block 39 is inserted into the inside of the plug-in hole, the screw retractor 44 is hooked at one end of the second rope 24, and the screw retractor 44 is rotated to drive the traction rope 41 and the cable 36 to move, and drive the first fixed frame 31 and the second fixed frame 32 to move, so that the first fixed frame 31 and the second fixed frame 32 are closely fitted, and the cable 36, the traction rope 41 and the second rope 24 are in a taut state, and then the first rope 23 is fixed to the two ends of the truss plate 1 with the other screw retractor 44, so that the truss and the center cage 21 can be fixed.
[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A connection structure of a truss on a single-tube dredger, comprising a truss plate (1), characterized in that: The truss plate (1) has a central mechanism (2) inserted into the interior thereof, and a fixing mechanism (3) is slidably connected to the top of the truss plate (1), the fixing mechanism (3) is sleeved on the exterior of the central mechanism (2), and traction mechanisms (4) are fixedly connected to both sides of the fixing mechanism (3); The central mechanism (2) comprises a central rotating cage (21) and a central column (22); the central rotating cage (21) is plugged into the interior of the truss plate (1), and the central column (22) is plugged into the interior of the central rotating cage (21); The fixing mechanism (3) comprises a first fixing frame (31) and a second fixing frame (32), the first fixing frame (31) and the second fixing frame (32) are both slidably connected above the truss plate (1), and the interiors of the first fixing frame (31) and the second fixing frame (32) are both in contact with the exterior of the central rotating cage (21), and the exteriors of the first fixing frame (31) and the second fixing frame (32) are both fixedly connected with cables (36), and the two cables (36) are pulled in opposite directions by the traction mechanism (4).
2. The connection structure of the upper truss of a single-tube dredger according to claim 1 is characterized in that: Two slide grooves (11) are provided above the truss plate (1), and the first fixed frame (31) and the second fixed frame (32) are respectively slidably connected inside the two slide grooves (11).
3. The connection structure of the upper truss of a single-tube dredger according to claim 1 is characterized in that: The first rope (23) and the second rope (24) are fixedly connected to both sides of the top of the central rotating cage (21), and a plurality of limiting holes (25) are provided on both sides of the bottom of the central rotating cage (21).
4. The connection structure of the upper truss of a single-tube dredger according to claim 1 is characterized in that: A slider (33) is fixedly connected to the bottom of the first fixed frame (31) and the second fixed frame (32), and the slider (33) is slidably connected to the inside of the slide groove (11); a first fixed block (34) and a second fixed block (35) are fixedly connected to the two sides of the first fixed frame (31) and the second fixed frame (32), respectively; and a pull cable (36) is fixedly connected to the inside of the first fixed block (34) and the second fixed block (35), and the two pull cables (36) respectively pass through the symmetrical first fixed block (34) and the second fixed block (35).
5. The connection structure of the upper truss of the single-tube dredger according to claim 4 is characterized in that: The first fixed frame (31) and the second fixed frame (32) are both fixedly connected with a plurality of limit blocks (37), and the plurality of limit blocks (37) are respectively inserted into the plurality of limit holes (25). Both ends of the first fixed frame (31) are provided with plug-in slots (38), and both ends of the second fixed frame (32) are fixedly connected with plug-in blocks (39), and the two plug-in blocks (39) are respectively plugged into the two plug-in slots (38).
6. The connection structure of the upper truss of a single-tube dredger according to claim 1 is characterized in that: The traction mechanism (4) comprises two traction ropes (41), one end of the two traction ropes (41) is fixedly connected to one end of two cables (36) respectively, and one end of the traction rope (41) away from the cables (36) is fixedly connected to a screw retractor (44), and one end of the screw retractor (44) is hooked to one end of the second rope (24).
7. The connection structure of the upper truss of the single-tube dredger according to claim 6 is characterized by: The outsides of the two traction ropes (41) are both drivingly connected to pulleys (42), and both sides of the pulleys (42) are rotatably connected to mounting blocks (43), and the lower part of the mounting blocks (43) is fixedly connected to the upper part of the truss plate (1).
