A kind of lime digestion machine stirring rod rotary vane mounting device

Abstract

The utility model discloses a kind of calcium oxide digestion machine stirring rod rotary vane mounting devices, including two stand, it is characterized in that, the first clamping groove is fixed in the bottom of stand, the stirring rod is clamped in the first clamping groove, the flange plate is fixed in the right end of stirring rod, the stand side close to the flange plate end is fixed with riser seat, the first shaft is rotatably arranged in the riser seat, the left side of the first shaft is fixed with side plate, the clamping assembly of flange plate clamping is fixed in the left side of side plate, the fixed component that keeps side plate and riser seat relative fixed is arranged between the top of side plate and the riser seat, hoisting equipment is used to cooperate in initial stage, make stirring rod install in the first clamping groove, and make plug rod clamping into jack hole;After initial installation, hoisting equipment does not need to be used again, personnel unlock fixed component, rotate first hand wheel, side plate, plug rod and flange plate are driven by second shaft, first shaft, and then drive stirring rod to adjust angle around its own axis.

Description

Technical Field

[0001] This utility model relates to the field of installation technology for stirring rods in digesters, specifically a device for installing the blades of a stirring rod in a calcium oxide digester. Background Technology

[0002] Since the stirring rod usually needs to be welded and fixed with an upper flange, and the flange needs to be fitted with a blade, the existing technology usually places it on the ground for processing. However, since the upper flange and blade need to be processed at multiple angles of the stirring rod, when processing it on the ground, the operator cannot process the flange and blade separately on multiple surfaces of the stirring rod by rotating the stirring rod. Instead, hoisting equipment is needed to flip the rod. A lot of research has been conducted on this issue. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a stirring rod blade installation device for a calcium oxide digester, which can solve the problems in the prior art.

[0004] This utility model is achieved through the following technical solution: A stirring rod blade mounting device for a calcium oxide digester, comprising two columns, characterized in that a first slot is fixed at the bottom of the column, a stirring rod is engaged in the first slot, a flange is fixed at the right end of the stirring rod, a base is fixed on one side of the column near the flange, a first shaft is rotatably arranged inside the base, a side plate is fixed on the left side of the first shaft, a engaging assembly for engaging the flange is fixed on the left side of the side plate, and a fixing assembly for keeping the side plate and the base relatively fixed is provided between the top of the side plate and the base.

[0005] In a further technical solution, a second shaft is fixed to the right end of the first shaft, and a first handwheel is fixed to the outer surface of the second shaft.

[0006] In a further technical solution, a third shaft is fixed to the right end of the first shaft, a fourth shaft is fixed to the right end of the third shaft, two second through holes are provided in the fourth shaft, a square groove is provided in the second shaft, an annular groove is provided on one side of the square groove, a first through hole is provided in the square groove, the fourth shaft is inserted into the square groove and fixed, and the third shaft is inserted into the annular groove.

[0007] A further technical solution includes a snap-fit ​​assembly comprising multiple insertion holes disposed on the flange, and multiple insertion rods fixed on the left side of the side plate, the insertion rods being inserted into the insertion holes.

[0008] A further technical solution includes a fixing component comprising a rotating seat fixed to the top of the side plate, a rotating block rotatably disposed inside the rotating seat, a second slot fixed to the top of the upright, the rotating block being engaged in the second slot after swinging, and a threaded rod locking structure for locking the rotating block to the upright between the end of the rotating block and the right end face of the upright.

[0009] In a further technical solution, the top of the second card slot is chamfered.

[0010] A further technical solution includes a threaded rod locking structure comprising an external threaded shaft, which passes through a rotating block and is threadedly connected to the rotating block. A plug-in shaft is fixed to the left side of the external threaded shaft, and a recess is fixed to the right end face of the support. The plug-in shaft is plugged into and fixedly connected to the recess.

[0011] In a further technical solution, a second handwheel is fixed to the right end face of the external threaded shaft.

[0012] The beneficial effects of this utility model are as follows: First, in the initial stage, hoisting equipment is used to install the stirring rod in the first slot and to insert the rod into the insertion hole. After the initial installation, no further hoisting equipment is needed. After unlocking the fixing components, personnel can rotate the first handwheel, which drives the side plate, the rod, and the flange to rotate synchronously through the second shaft and the first shaft. This drives the stirring rod to adjust its angle around its own axis. Then, the fixing components are locked, and personnel can weld and fix the flange and blades at different angles on the stirring rod. Compared with the prior art, it is more convenient for personnel to rotate the stirring rod to change the angle, and it can avoid the need for hoisting equipment to rotate and adjust the stirring rod.

[0013] Second, since the plug shaft is plugged and fixed to the concave block, and since the external threaded shaft is threaded and fixed to the rotating block, when the rotating block has an upward swing tendency, it will be counteracted by the plug shaft and the concave block, so as to realize the locking and fixing of the rotating block to the second slot, so as to fix the side plate and the stand relatively. Attached Figure Description

[0014] For ease of explanation, the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the overall structure of the stirring rod and blade mounting device for a calcium oxide digester according to the present invention; Figure 2 for Figure 1 A schematic diagram at point A in the middle; Figure 3 for Figure 2 A schematic diagram at point B in the middle; Figure 4 for Figure 1A schematic diagram of the structure of the device; Figure 5 for Figure 4 A schematic diagram at point C in the middle; In the figure, there are: column 11, first slot 12, stirring rod 13, stand 14, insertion hole 15, flange 16, side plate 17, second shaft 18, first handwheel 19, first shaft 21, insertion rod 22, rotating block 23, chamfer 24, rotating seat 25, second slot 26, insertion shaft 27, second handwheel 28, external thread shaft 29, concave block 31, third shaft 32, fourth shaft 33, second through hole 34, annular groove 35, square groove 36, and first through hole 37. Detailed Implementation

[0016] like Figures 1-5 As shown, this utility model will be described in detail. For ease of description, the directions mentioned below are defined as follows: the directions of up, down, left, right, front, and back mentioned below are the same as... Figure 1 The projection relationship of the device is consistent in the up, down, left, right, front, and back directions. The present invention is a stirring rod and blade mounting device for a calcium oxide digester, which includes two columns 11. The bottom of the column 11 is fixed with a first slot 12. The stirring rod 13 is engaged in the first slot 12. The stirring rod 13 can be placed into the first slot 12 by hoisting. The right end of the stirring rod 13 is fixed with a flange 16. The column 11 near the flange 16 is fixed with a base 14. The base 14 is rotatably provided with a first shaft 21. The left side of the first shaft 21 is fixed with a side plate 17. The left side of the side plate 17 is fixed with a snap-fit ​​assembly for engaging the flange 16. The top of the side plate 17 and the base 14 are provided with a fixing assembly to keep the side plate 17 and the base 14 relatively fixed.

[0017] Advantageously, a second shaft 18 is fixed to the right end of the first shaft 21, and a first handwheel 19 is fixed to the outer surface of the second shaft 18.

[0018] Advantageously, the right end of the first shaft 21 is fixed with a third shaft 32, the right end of the third shaft 32 is fixed with a fourth shaft 33, the fourth shaft 33 is provided with two second through holes 34, the second shaft 18 is provided with a square groove 36, one side of the square groove 36 is provided with an annular groove 35, the square groove 36 is provided with a first through hole 37, the fourth shaft 33 is inserted into the square groove 36 and fixed, and the third shaft 32 is inserted into the annular groove 35.

[0019] Advantageously, the snap-fit ​​assembly includes multiple insertion holes 15 provided on the flange 16, and multiple insertion rods 22 are fixed on the left side of the side plate 17. The stirring rod 13 and the flange 16 are adjusted left and right after hoisting so that the insertion rods 22 are inserted into the insertion holes 15.

[0020] Advantageously, the fixing component includes a rotating seat 25 fixed to the top of the side plate 17, a rotating block 23 is rotatably disposed inside the rotating seat 25, a second slot 26 is fixed to the top of the stand 14, the rotating block 23 is engaged in the second slot 26 after swinging, and a threaded rod locking structure is provided between the end of the rotating block 23 and the right end face of the stand 14 to lock the rotating block 23 and the stand 14.

[0021] Advantageously, the top of the second slot 26 is provided with a chamfer 24, which is used to guide the insertion of the rotating block 23.

[0022] Advantageously, the threaded rod locking structure includes an external threaded shaft 29, which passes through the rotating block 23 and is threadedly connected to the rotating block 23. A plug-in shaft 27 is fixed on the left side of the external threaded shaft 29, and a recess 31 is fixed on the right end face of the stand 14. An inner hole is provided in the recess 31, and the plug-in shaft 27 is inserted into the inner hole and fixed. The plug-in shaft 27 and the recess 31 are plugged and fixedly connected.

[0023] Advantageously, a second handwheel 28 is fixed to the right end face of the external threaded shaft 29.

[0024] When the device is in use, the hoisting personnel use a gantry crane to hoist the cylindrical part of the stirring rod 13 into the first slot 12 for engagement. The installers first adjust the left and right position of the stirring rod 13 in the first slot 12, then turn the first handwheel 19 to rotate the side plate 17 through the second shaft 18, so that the insertion rod 22 is aligned with the insertion hole 15 on the flange 16. Then, the installers and hoisting personnel communicate and cooperate to engage the insertion rod 22 into the insertion hole 15, and use the fixing components to keep the side plate 17 and the stand 14 fixed, and place the stirring rod 13 in the first slot 12. Then, the installers first fix and weld the flange on the stirring rod 13, and then fix the blade to the flange with fasteners. During processing, first process a row of flanges and blades. After processing, unlock the fixing components, then rotate the first handwheel 19, the second shaft 18, the side plate 17, the insert rod 22, the flange 16 and the stirring rod 13 to the next angle, such as 90 degrees. Then lock the fixing components, and then the personnel can process the next row of flanges and blades.

[0025] When the fixed assembly is in use, the operator needs to rotate the rotating block 23 so that the rotating block 23 is engaged with the second slot 26 along the chamfer 24. The height of the external thread shaft 29 is the same as the height of the concave block 31, and the two are concentrically set. Then, after the operator rotates the second handwheel 28, the external thread shaft 29 rotates and moves closer to the concave block 31. During the rotation, the insertion shaft 27 moves to the left and is engaged and fixed with the concave block 31. At this time, the concave block 31, the insertion shaft 27, the external thread shaft 29, the rotating block 23, the side plate 17 and the stand 14 are connected and fixed. The side plate 17 and the stand 14 are rigidly fixed by the above structure, which can limit the radial and circumferential displacement of the stirring rod 13 during the processing.

[0026] For the second shaft 18, the fourth shaft 33 is inserted into the outer surface of the square groove 36, and then the third shaft 32 and the annular groove 35 are inserted into each other. Then, fasteners are set in the second through hole 34 and the first through hole 37 to fix the second shaft 18 and the fourth shaft 33.

[0027] The installers first welded the flange at the preset position of the mixing rod 13. After the weld cooled, they connected and fixed the blade to the flange with bolts. Spring washers were added to the bolt connection to prevent loosening. Nuts were then installed to fix the connection.

[0028] During hoisting, ensure that the center of gravity of the mixing rod 13 is aligned with the hoisting point of the gantry crane. Use polypropylene slings with a breaking strength ≥2t and wrap rubber pads around the contact points with the mixing rod 13. When adjusting the angle, operators must stay away from the rotation radius of the mixing rod 13 to prevent injury from collisions.

[0029] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without creative effort should be included within the protection scope of this utility model; therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A stirring rod impeller mounting device for a calcium oxide digester, comprising two columns (11), characterized in that, The bottom of the column (11) is fixed with a first slot (12), and a stirring rod (13) is engaged in the first slot (12). A flange (16) is fixed to the right end of the stirring rod (13). A base (14) is fixed to one side of the column (11) near the flange (16). A first shaft (21) is rotatably arranged in the base (14). A side plate (17) is fixed to the left side of the first shaft (21). A snap-fit ​​assembly for engaging the flange (16) is fixed to the left side of the side plate (17). A fixing assembly for keeping the side plate (17) and the base (14) relatively fixed is provided between the top of the side plate (17) and the base (14).

2. The stirring rod blade installation device for a calcium oxide digester according to claim 1, characterized in that: A second shaft (18) is fixed to the right end of the first shaft (21), and a first handwheel (19) is fixed to the outer surface of the second shaft (18).

3. The stirring rod blade installation device for a calcium oxide digester according to claim 2, characterized in that: A third shaft (32) is fixed to the right end of the first shaft (21), and a fourth shaft (33) is fixed to the right end of the third shaft (32). Two second through holes (34) are provided in the fourth shaft (33). A square groove (36) is provided in the second shaft (18). An annular groove (35) is provided on one side of the square groove (36). A first through hole (37) is provided in the square groove (36). The fourth shaft (33) is inserted into the square groove (36) and fixed. The third shaft (32) is inserted into the annular groove (35).

4. The stirring rod blade installation device for a calcium oxide digester according to claim 1, characterized in that: The snap-fit ​​assembly includes a plurality of sockets (15) provided on the flange (16), and a plurality of insert rods (22) are fixed on the left side of the side plate (17), the insert rods (22) being inserted into the sockets (15).

5. The stirring rod blade installation device for a calcium oxide digester according to claim 1, characterized in that: The fixing assembly includes a rotating seat (25) fixed to the top of the side plate (17), a rotating block (23) is rotatably disposed inside the rotating seat (25), a second slot (26) is fixed to the top of the stand (14), the rotating block (23) is engaged in the second slot (26) after swinging, and a threaded rod locking structure is provided between the end of the rotating block (23) and the right end face of the stand (14) to lock the rotating block (23) and the stand (14).

6. The stirring rod impeller mounting device for a calcium oxide digester according to claim 5, characterized in that: The second card slot (26) has a chamfer (24) at the top.

7. The stirring rod impeller mounting device for a calcium oxide digester according to claim 5, characterized in that: The threaded rod locking structure includes an external threaded shaft (29), which passes through the rotating block (23) and is threadedly connected to the rotating block (23). A plug-in shaft (27) is fixed on the left side of the external threaded shaft (29), and a recess (31) is fixed on the right end face of the stand (14). The plug-in shaft (27) is plugged into and fixedly connected to the recess (31).

8. The stirring rod impeller mounting device for a calcium oxide digester according to claim 7, characterized in that: The right end face of the external threaded shaft (29) is fixed with a second handwheel (28).

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