CN211444822U

CN211444822U - Lifting mechanism of air flotation sedimentation tank

Info

Publication number: CN211444822U
Application number: CN201922374401.4U
Authority: CN
Inventors: 曹兵
Original assignee: Shanghai Jianshe Electroplating Co ltd
Current assignee: Shanghai Jianshe Electroplating Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-08
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to an air supporting sedimentation tank technical field, more specifically say, it relates to an elevating system of air supporting sedimentation tank, including the backup pad of two vertical settings and the horizontal pole that the level set up, two backup pad parallel arrangement is equipped with a blast pipe in the air supporting sedimentation tank, two the backup pad fixed respectively set up in the top of air supporting sedimentation tank, two are passed respectively at the both ends of horizontal pole the backup pad, the horizontal pole with the backup pad rotates the connection, fixed cover is equipped with two lines wheels on the horizontal pole, two it has wire rope to coil respectively on the line, just wire rope's one end with line wheel fixed connection, wire rope's the other end with the tip fixed connection of blast pipe, the utility model has the advantages of realize going up and down to the blast pipe both ends simultaneously.

Description

Lifting mechanism of air flotation sedimentation tank

Technical Field

The utility model relates to an air supporting sedimentation tank technical field, more specifically says, it relates to an elevating system of air supporting sedimentation tank.

Background

At present, most domestic and foreign wastewater treatment processes adopt precipitation filtration and disinfection modes, wherein the precipitation part is particularly important for removing suspended matters in wastewater. The air flotation sedimentation tank is used as one of main facilities for removing suspended matters in wastewater, and is widely applied to the field of wastewater treatment processes. Have an blast pipe in the air supporting sedimentation tank, at the long-term in-process that uses of blast pipe, the precipitate in the air supporting sedimentation tank can be adsorbed on the blast pipe, plugs up the exhaust hole on the blast pipe, makes the unable normal discharge of gas in the blast pipe, therefore the blast pipe needs regularly to overhaul. Before the blast pipe overhauls, generally need use elevating system to hang the blast pipe from the waste water of air supporting sedimentation tank to the staff overhauls the blast pipe.

At present, as shown in fig. 1, the lifting mechanism applied to the air flotation sedimentation tank comprises a support frame 1, a transmission device and a rotating device. The bottom of support frame 1 is fixed in the air supporting sedimentation tank, and transmission includes couple 2, fixed pulley 3 and the wire rope 4 of vertical setting, and a plurality of round hole 7 has been seted up at the top of support frame 1, and round hole 7 is passed on the top of couple 2, and the bottom of couple 2 rotates with fixed pulley 3 to be connected. The rotating device comprises a fixing part 5 and a rotating shaft 6, the fixing part 5 is fixed on the side wall of the support frame 1, the rotating shaft 6 is rotatably connected with the fixing part 5, and a shifting lever 8 is fixedly arranged at one end of the rotating shaft 6. The lifting mechanisms are two, one ends of the two steel wire ropes 4 are fixedly connected with the two rotating shafts 6 respectively, and the other ends of the two steel wire ropes 4 penetrate through the two fixed pulleys 3 respectively and are fixedly connected with two ends of the exhaust pipe 9 respectively. When the exhaust pipe 9 needs to be overhauled, the deflector rod 8 of one of the lifting mechanisms is rotated firstly, so that one end of the exhaust pipe 9 is exposed out of the surface of the waste liquid in the air floatation sedimentation tank, and then the deflector rod 8 of the other lifting mechanism is rotated, so that the other end of the exhaust pipe 9 is exposed out of the surface of the waste liquid in the air floatation sedimentation tank.

However, in the above technology, the exhaust pipe needs the worker to operate the two lifting mechanisms successively during the lifting process, so that the whole exhaust pipe can be lifted above the waste water, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an elevating system of air supporting sedimentation tank has the function of realizing going up and down to the blast pipe both ends simultaneously, has promoted work efficiency.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides an elevating system of air supporting sedimentation tank, includes the backup pad of two vertical settings and the horizontal pole of level setting, two backup pad parallel arrangement is equipped with an blast pipe in the air supporting sedimentation tank, two the backup pad fixed respectively set up in the top of air supporting sedimentation tank, two are passed respectively at the both ends of horizontal pole the backup pad, the horizontal pole with the backup pad is rotated and is connected, fixed cover is equipped with two lines of wheel on the horizontal pole, two it has wire rope to coil respectively on the line, just wire rope's one end with line wheel fixed connection, wire rope's the other end with the tip fixed connection of blast pipe.

Through adopting above-mentioned technical scheme, the staff rotates the horizontal pole, makes two line wheel synchronous rotations, twines two wire rope's one end respectively on two line wheels under the rotation effect of line wheel, and the both ends of two wire rope's the other end upwards stimulate the blast pipe simultaneously, pull out the surface of waste liquid in the air supporting sedimentation tank simultaneously with the both ends of blast pipe, promoted work efficiency.

Preferably, the fixed first switching-over subassembly that is provided with of one end of horizontal pole, first switching-over subassembly includes the montant of intermeshing's first bevel gear, second bevel gear and vertical setting, the one end of horizontal pole with first bevel gear fixed connection, the top of montant with second bevel gear fixed connection, the backup pad orientation the fixed two carrier blocks that are provided with in side of first bevel gear, two the carrier block is the level setting, the montant is kept away from two second bevel gear's one end passes two in proper order the carrier block, just the montant with the carrier block rotates to be connected.

Through adopting above-mentioned technical scheme, the one end of horizontal pole is rotated through first switching-over subassembly and montant and is connected, and the accessible rotates the montant and rotates the horizontal pole, pulls out the surface of waste liquid simultaneously with the blast pipe both ends, has increased the convenience of operation.

Preferably, the bottom mounting of montant is provided with the second switching-over subassembly, the second switching-over subassembly includes intermeshing's third bevel gear and fourth bevel gear, the bottom of montant with the coaxial and fixed connection of third bevel gear, the axis of rotation that the lateral wall of backup pad rotated and is provided with the level and sets up, the axis of rotation is kept away from backup pad one end is passed fourth bevel gear, just the axis of rotation with the coaxial and fixed connection of fourth bevel gear.

Through adopting above-mentioned technical scheme, the bottom of montant passes through the second switching-over subassembly with the axis of rotation and rotates to be connected, and accessible drive axis of rotation rotates and rotates the montant, pulls out the surface of waste liquid simultaneously with the both ends of blast pipe, has further increased the convenience of operation.

Preferably, the fixed protection casing that is provided with of lateral wall of backup pad, the protection casing includes first protection casing and second protection casing, first protection casing is used for the protection first switching-over subassembly, the second protection casing is used for the protection second switching-over subassembly, the axis of rotation is kept away from the one end of backup pad passes in proper order fourth bevel gear and second protection casing is fixed and is provided with the ratchet, the second protection casing deviates from the side of fourth bevel gear articulates there is the pawl, the ratchet with pawl intermeshing.

Through adopting above-mentioned technical scheme, pawl and ratchet intermeshing can restrict the ratchet and rotate, and ratchet and axis of rotation fixed connection can restrict the axis of rotation and rotate, save the staff and restrict the pivoted step of axis of rotation with the hand, further improve the convenience that the staff overhauld the blast pipe.

Preferably, a positioning column is fixedly arranged on the side face, deviating from the fourth bevel gear, of the second protective cover, one end of the pawl is hinged to one end, far away from the second protective cover, of the positioning column, a torsion spring is sleeved on the positioning column, one end of the torsion spring is fixedly connected with the second protective cover, the other end of the torsion spring is fixedly connected with the pawl, and when the torsion spring is in a natural state, the pawl is meshed with the ratchet wheel.

Through adopting above-mentioned technical scheme, under the natural state of torsional spring, pawl and ratchet intermeshing are favorable to further strengthening the limiting displacement of pawl to the ratchet.

Preferably, a handle is fixedly arranged at one end of the rotating shaft, which is far away from the supporting plate.

Through adopting above-mentioned technical scheme, come rotatory axis of rotation through twist grip, increased the convenience of staff's operation.

Preferably, the surface of the handle is sleeved with a flexible layer.

Through adopting above-mentioned technical scheme, being provided with of flexible layer does benefit to the convenience that improves staff twist grip.

To sum up, the utility model discloses following beneficial effect has:

1. the worker rotates the cross rod to enable the two wire wheels to rotate synchronously, one ends of the two steel wire ropes are respectively wound on the two wire wheels under the rotating action of the wire wheels, the other ends of the two steel wire ropes simultaneously pull the two ends of the exhaust pipe upwards, the two ends of the exhaust pipe are simultaneously pulled out of the surface of waste liquid in the air floatation sedimentation tank, and the working efficiency is improved;

2. the pawl is meshed with the ratchet wheel, so that the rotation of the ratchet wheel can be limited, the ratchet wheel is fixedly connected with the rotating shaft and can limit the rotation of the rotating shaft, the step that a worker limits the rotation of the rotating shaft by hands is omitted, and the convenience of the worker for overhauling the exhaust pipe is further improved;

3. the one end that the backup pad was kept away from to the axis of rotation passes fourth bevel gear and second protection casing in proper order and the fixed ratchet that is provided with, the pawl articulates in the side that the second protection casing deviates from fourth bevel gear, ratchet and pawl intermeshing can restrict the ratchet and rotate, ratchet and axis of rotation fixed connection, can restrict the axis of rotation and rotate, saves staff and restricts the pivoted step of axis of rotation with the hand, further improves the convenience that the staff overhauld the blast pipe.

Drawings

FIG. 1 is a schematic structural diagram of a lifting mechanism of an air floatation sedimentation tank in the prior art;

FIG. 2 is a schematic structural diagram of a lifting mechanism of an air flotation sedimentation tank in an embodiment of the present invention;

FIG. 3 is a schematic view illustrating an assembly relationship between the first protection cover and the supporting plate according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a partial sectional view of a second shield according to an embodiment of the present invention;

fig. 6 is an enlarged view of a portion B of fig. 5.

Reference numerals: 1. a support frame; 2. hooking; 3. a fixed pulley; 4. a wire rope; 5. a fixed part; 6. a rotating shaft; 7. a circular hole; 8. a deflector rod; 9. an exhaust pipe; 10. a support plate; 11. connecting blocks; 12. a countersunk hole; 13. a first bolt; 14. a cross bar; 15. a wire wheel; 16. a second bolt; 17. a first shield; 18. a bearing block; 19. a vertical rod; 20. a pawl; 21. a ratchet wheel; 22. a third bolt; 23. a handle; 24. a rotating shaft; 25. avoiding holes; 26. a second shield; 27. a position avoiding groove; 28. a first bevel gear; 29. a second bevel gear; 30. a third bevel gear; 31. a fourth bevel gear; 32. a positioning column; 33. a torsion spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an elevating system of air supporting sedimentation tank, as shown in figure 2, the top of air supporting sedimentation tank lateral wall is the outer edge that the level set up, including the backup pad 10 of two vertical settings, two backup pad 10 parallel arrangement, have an blast pipe 9 in the air supporting sedimentation tank, and blast pipe 9 is provided with a plurality of exhaust holes along its self length direction equidistant. The two support plates 10 are fixedly disposed at the top of the air flotation sedimentation tank, and in this embodiment, the bottom of the support plate 10 is fixedly disposed at the outer edge of the air flotation sedimentation tank. The fixed connecting block 11 that is provided with two levels in the both sides of backup pad 10, connecting block 11 is the cuboid form, backup pad 10 and two connecting block 11 integrated into one piece, counter sink 12 has been seted up on connecting block 11, connecting block 11 still is provided with first bolt 13, first bolt 13 passes counter sink 12 and air supporting sedimentation tank's outer edge threaded connection, the realization is fixed connecting block 11 at the outer edge of air supporting sedimentation tank, thereby fix backup pad 10 at the outer edge of air supporting sedimentation tank.

As shown in fig. 2, a horizontally disposed cross bar 14 is rotatably disposed between the two support plates 10, and both ends of the cross bar 14 respectively penetrate the two support plates 10. In this embodiment, the two ends of the cross rod 14 are respectively rotatably connected with the two support plates 10 through bearings, the cross rod 14 is fixedly sleeved with the two wire wheels 15, the two wire wheels 15 are located between the two support plates 10, the two wire wheels 15 are respectively wound with the steel wire ropes 4, one ends of the two steel wire ropes 4 are respectively fixedly connected with the two wire wheels 15, and the other ends of the two steel wire ropes 4 are respectively fixedly connected with the two ends of the exhaust pipe 9. The wire rope 4 has sufficient strength for a worker to hoist the exhaust pipe 9. The staff rotates horizontal pole 14 and drives two line wheels 15 and rotate simultaneously, and under the rotation effect of line wheel 15, two wire rope 4 pull out the surface of waste liquid in the air supporting sedimentation tank simultaneously with the both ends of blast pipe 9.

As shown in fig. 3 and 4, in order to facilitate the worker to rotate the cross bar 14, a first reversing assembly is fixedly arranged at one end of the cross bar 14, and the first reversing assembly comprises a first bevel gear 28, a second bevel gear 29 and a vertical rod 19 which are engaged with each other. Wherein, one end of the cross bar 14 passes through the support plate 10 and is coaxially and fixedly connected with the first bevel gear 28. The vertical rod 19 is cylindrical, and the top end of the vertical rod 19 is coaxial with and fixedly connected with the second bevel gear 29. The rotation of the cross bar 14 can be achieved by rotating the vertical bar 19 under the meshing action of the first bevel gear 28 and the second bevel gear 29.

As shown in fig. 3 and 4, in order to further improve the rotational stability of the vertical rod 19, two bearing blocks 18 are fixedly disposed on the side of the support plate 10 facing the first bevel gear 28, the two bearing blocks 18 are disposed horizontally, both the two bearing blocks 18 are disposed below the second bevel gear 29, one end of the vertical rod 19 away from the second bevel gear 29 sequentially passes through the two bearing blocks 18, and the vertical rod 19 is rotatably connected with the two bearing blocks 18 through bearings.

As shown in fig. 5 and 6, a second reversing component is fixedly arranged at the bottom end of the vertical rod 19, the second reversing component comprises a third bevel gear 30 and a fourth bevel gear 31 which are meshed with each other, the bottom end of the vertical rod 19 is fixedly connected with the center of the third bevel gear 30, a rotating shaft 24 is rotatably arranged on the side wall of the support plate 10, the rotating shaft 24 is horizontally arranged, one end of the rotating shaft 24 is rotatably connected with the support plate 10 through a bearing, and the other end of the rotating shaft 24 passes through the center of the fourth bevel gear 31 and is fixedly connected with the fourth bevel gear 31 (i.e. the other end of the rotating shaft 24 is coaxial with and fixedly connected with the fourth bevel. Under the meshing action of the third bevel gear 30 and the fourth bevel gear 31, the vertical rod 19 can be rotated by rotating the rotating shaft 24, and under the action of the first reversing component, the vertical rod 19 drives the cross rod 14 to rotate, so that the convenience of the worker for rotating the cross rod 14 is further improved.

As shown in fig. 5 and 6, a protective cover is fixedly disposed on a side wall of the support plate 10, and the protective cover is fixed to the support plate 10 by a second bolt 16. It is worth noting that the shield comprises a first shield 17 and a second shield 26, the first shield 17 being used to shield the first reversing assembly and the second shield 26 being used to shield the second reversing assembly. The bottom of the first protection cover 17 and the top of the second protection cover 26 are both provided with a spacing groove 27 for the vertical rod 19 to rotate.

As shown in fig. 5 and 6, in order to facilitate the staff to subsequently overhaul the exhaust pipe 9, one end of the rotating shaft 24, which is far away from the support plate 10, sequentially passes through the fourth bevel gear 31 and the second protection cover 26 and is fixedly provided with the ratchet 21, and the side of the second protection cover 26, which is far away from the fourth bevel gear 31, is hinged with the pawl 20. Specifically, a side surface of the second protection cover 26, which is away from the fourth bevel gear 31, is fixedly provided with a positioning column 32 which is horizontally arranged, one end of the pawl 20 is hinged to one end of the positioning column 32, which is away from the second protection cover 26, and the positioning column 32 is in a cylindrical shape. In order to further enhance the meshing strength between the pawl 20 and the ratchet wheel 21, a torsion spring 33 is sleeved on the positioning column 32, one end of the torsion spring 33 is fixedly connected with the side wall of the second protective cover 26 away from the fourth bevel gear 31, the other end of the torsion spring 33 is fixedly connected with one end of the pawl 20 connected with the positioning column 32, when the torsion spring 33 is in a natural state, the pawl 20 is meshed with the ratchet wheel 21, and the pawl 20 can limit the rotation of the ratchet wheel 21 so as to limit the rotation of the rotating shaft 24.

As shown in fig. 5 and 6, the side wall of the second protection cover 26 is provided with a clearance hole 25 for the ratchet 21 to pass through, and the clearance hole 25 is circular. When the second reversing assembly needs to be repaired, the second bolt 16 can be rotated to completely separate the second bolt 16 from the support plate 10, and the second protective cover 26 is moved towards the direction of the ratchet wheel 21, so that the second protective cover 26 can be smoothly taken down, and the second reversing assembly can be conveniently overhauled by a worker.

As shown in fig. 5 and 6, one end of the rotating shaft 24 far away from the support plate 10 passes through the ratchet 21 and is fixedly provided with a handle 23, the handle 23 is fixedly connected with the rotating shaft 24 through a third bolt 22, and when the second reversing assembly needs to be repaired, the third bolt 22 can be completely separated from the rotating shaft 24 by rotating the third bolt 22, and the handle 23 is removed. The second reversing assembly is then serviced by turning the second bolt 16 to disengage the second bolt 16 from the support plate 10 and removing the second shield 26. The surface of handle 23 is equipped with flexible layer (not shown in the figure) by the cover, and the setting of flexible layer does benefit to the convenience that improves staff and rotates handle 23.

The working process is as follows: when the exhaust pipe 9 needs to be lifted up from the air floatation sedimentation tank for maintenance, the rotating shaft 24 is rotated by rotating the handle 23, the fourth bevel gear 31 on the rotating shaft 24 is meshed with the third bevel gear 30 at the bottom end of the vertical rod 19 to drive the vertical rod 19 to rotate, the second bevel gear 29 at the top end of the vertical rod 19 is meshed with the first bevel gear 28 at one end of the cross rod 14 to drive the cross rod 14 to rotate, and at the moment, the cross rod 14 drives the wire wheel 15 to rotate, under the rotation action of the wire wheel 15, the two steel wire ropes 4 pull the two ends of the exhaust pipe 9 out of the surface of the wastewater simultaneously, when the exhaust pipe 9 is lifted to the required height and the worker stops rotating the handle 23, the pawl 20 is meshed with the ratchet wheel 21 under the action of the torsion spring 33, the rotation of the ratchet wheel 21 can be limited, the ratchet 21 is positioned so as to restrict the rotation of the rotating shaft 24, at which time the rotation of the cross bar 14 is stopped and the exhaust pipe 9 is kept at the current position. At this moment, the worker can overhaul the exhaust pipe 9, after the exhaust pipe 9 is overhauled, the limiting effect of the pawl 20 on the ratchet 21 can be firstly released, and then the exhaust pipe 9 gradually descends below the wastewater liquid level of the air floatation sedimentation tank by rotating the handle 23.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a lifting mechanism of air supporting sedimentation tank which characterized by: horizontal pole (14), two including backup pad (10) and the level setting of two vertical settings backup pad (10) parallel arrangement is equipped with one blast pipe (9), two in the air supporting sedimentation tank backup pad (10) fixed respectively set up in the top of air supporting sedimentation tank, two are passed respectively at the both ends of horizontal pole (14) backup pad (10), horizontal pole (14) with backup pad (10) rotate to be connected, fixed cover is equipped with two line wheels (15) on horizontal pole (14), two wire rope (4) have been convoluteed respectively on line wheel (15), just the one end of wire rope (4) with line wheel (15) fixed connection, the other end of wire rope (4) with the tip fixed connection of blast pipe (9).

2. The lifting mechanism of the air flotation sedimentation tank as claimed in claim 1, wherein: the fixed first switching-over subassembly that is provided with of one end of horizontal pole (14), first switching-over subassembly includes intermeshing's first bevel gear (28), second bevel gear (29) and montant (19) of vertical setting, the one end of horizontal pole (14) with first bevel gear (28) fixed connection, the top of montant (19) with second bevel gear (29) fixed connection, backup pad (10) orientation the fixed two carrier blocks (18) that are provided with in side of first bevel gear (28), two carrier block (18) are the level setting, montant (19) are kept away from the one end of second bevel gear (29) passes two in proper order carrier block (18), just montant (19) with carrier block (18) rotate and are connected.

3. The lifting mechanism of the air flotation sedimentation tank as claimed in claim 2, wherein: the bottom mounting of montant (19) is provided with the second subassembly that commutates, the second subassembly that commutates includes intermeshing's third bevel gear (30) and fourth bevel gear (31), the bottom of montant (19) with third bevel gear (30) are coaxial and fixed connection, the lateral wall of backup pad (10) rotates axis of rotation (24) that is provided with the level setting, axis of rotation (24) are kept away from the one end of backup pad (10) is passed fourth bevel gear (31), just axis of rotation (24) with fourth bevel gear (31) are coaxial and fixed connection.

4. The lifting mechanism of the air flotation sedimentation tank as claimed in claim 3, wherein: the fixed protection casing that is provided with of lateral wall of backup pad (10), the protection casing includes first protection casing (17) and second protection casing (26), first protection casing (17) are used for the protection first switching-over subassembly, second protection casing (26) are used for the protection second switching-over subassembly, axis of rotation (24) are kept away from the one end of backup pad (10) is passed in proper order fourth bevel gear (31) and second protection casing (26) and fixed ratchet (21) that is provided with, second protection casing (26) deviate from the side of fourth bevel gear (31) articulates there is pawl (20), ratchet (21) with pawl (20) intermeshing.

5. The lifting mechanism of the air flotation sedimentation tank as claimed in claim 4, wherein: the side face, deviating from the fourth bevel gear (31), of the second protective cover (26) is fixedly provided with a positioning column (32), one end of the pawl (20) is hinged to one end, far away from the second protective cover (26), of the positioning column (32), a torsion spring (33) is sleeved on the positioning column (32), one end of the torsion spring (33) is fixedly connected with the second protective cover (26), the other end of the torsion spring (33) is fixedly connected with the pawl (20), and when the torsion spring (33) is in a natural state, the pawl (20) and the ratchet wheel (21) are meshed with each other.

6. The lifting mechanism of the air flotation sedimentation tank as claimed in claim 5, wherein: and a handle (23) is fixedly arranged at one end of the rotating shaft (24) far away from the supporting plate (10).

7. The lifting mechanism of the air flotation sedimentation tank as claimed in claim 6, wherein: the surface of the handle (23) is sleeved with a flexible layer (not shown in the figure).