CN216038375U - Special device for lifting and placing trench filter screen of desulfurization system - Google Patents
Special device for lifting and placing trench filter screen of desulfurization system Download PDFInfo
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- CN216038375U CN216038375U CN202122050898.1U CN202122050898U CN216038375U CN 216038375 U CN216038375 U CN 216038375U CN 202122050898 U CN202122050898 U CN 202122050898U CN 216038375 U CN216038375 U CN 216038375U
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- filter screen
- reel
- lifting
- pulley
- desulfurization system
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Abstract
The utility model relates to a special device for lifting and placing a trench filter screen of a desulfurization system. The technical scheme is as follows: vertical supporting square steel is fixed on each of two sides of the cross beam, an extending section is arranged on the right side of the cross beam, a first sliding block and a second sliding block are arranged on the cross beam, a first fixed pulley is movably connected below the first sliding block, a second fixed pulley is movably connected below the second sliding block, a reel is fixedly connected below the extending section on the right side of the cross beam, a steel wire rope is wound on the reel, and a movable pulley is arranged between the reel and the second fixed pulley; one end of the steel wire rope is fixed with the lifting hook, and the other end of the steel wire rope passes through the first fixed pulley, the second fixed pulley and the movable pulley to be connected to the reel; the lower end of the movable pulley is connected with a heavy hammer chain. The beneficial effects are that: the gantry support cross beam is introduced, the effect of supporting the filter screen can be realized, the structure is simple, the carrying is easy, the construction operation difficulty is small, the operation is labor-saving and the gantry support cross beam can be disassembled, and the applicability of the device in a desulfurization system is improved.
Description
Technical Field
The utility model relates to a desulphurization device of a thermal power plant, in particular to a special device for lifting and releasing a trench filter screen of a desulphurization system.
Background
In a limestone-gypsum wet desulphurization system of a thermal power plant, pits with different numbers are arranged to play a role in recovering machine seal water and slurry of each pump of the desulphurization system. In order to prevent sundries such as heat preservation cotton, cement blocks, demister fragments, leaves, plastic bags and the like from entering the pit, a filter screen is generally installed in a trench in front of the pit, and the trench is dug below the ground, so that the filter screen in the trench is difficult to clean.
In addition, the trenches of the desulfurization system pits are different in depth and width, and therefore the sizes of the filter screens are different. At present, when a desulfurization system operates, a method for cleaning a pit and trench filter screen is as follows: at the edge of the trench, an operator lies down on his body and cleans up the sundries intercepted by the filter screen little by little. Because limestone, gypsum slurry have the stickness, can glue various debris together, manual clearance can consume for a long time, and some trench is darker, still needs maintainer to get into and clears up in the trench, involves the confined space operation, clears up the trench like this and not only wastes time and energy but also has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides the special device for lifting and placing the trench filter screen of the desulfurization system, which can safely, quickly and thoroughly clean impurities in the trench filter screen and has portability and simplicity and convenience in operation.
The utility model provides a special device for lifting and placing a trench filter screen of a desulfurization system, which adopts the technical scheme that: comprises a beam (1), vertical supporting square steel (3), a universal wheel (5), a first slider (6), a first static pulley (7), a steel wire rope (9), a second slider (12), a second static pulley (15), a reel (16), a movable pulley (17) and a heavy hammer chain (18), wherein the vertical supporting square steel (3) is respectively fixed on two sides of the beam (1), an extension section is arranged on the right side of the beam (1), the universal wheel (5) is fixed on the bottom of the vertical supporting square steel (3), the beam (1) is provided with the first slider (6) and the second slider (12), the lower part of the first slider (6) is movably connected with the first static pulley (7), the lower part of the second slider (12) is movably connected with the second static pulley (15), the lower part of the extension section on the right side of the beam (1) is fixedly connected with the reel (16), and the steel wire rope (9) is wound on the reel (16), a movable pulley (17) is arranged between the reel (16) and the second fixed pulley (15); one end of the steel wire rope (9) is fixed with a lifting hook (10), and the other end of the steel wire rope passes through the first fixed pulley (7), the second fixed pulley (15) and the movable pulley (17) to be connected to the reel (16); the lower end of the movable pulley (17) is connected with a heavy hammer chain (18).
Preferably, the joint of the cross beam (1) and the vertical supporting square steel (3) is provided with an upper reinforcing rib (2), one end of the upper reinforcing rib (2) is welded on the cross beam (1), and the other end of the upper reinforcing rib is welded at the top of the vertical supporting square steel (3) to form a triangular structure.
Preferably, the bottom of the vertical supporting square steel (3) is provided with a lower reinforcing rib (4) to form a triangular structure, and the lower end of the lower reinforcing rib (4) is connected with a universal wheel (5).
Preferably, the first sliding block (6) is sleeved on the cross beam (1), and the first sliding block (6) is provided with a first brake screw (11) which is in contact with the cross beam (1) for fixing and locking.
Preferably, the second sliding block (12) is sleeved on the cross beam (1), and a second brake screw (14) is arranged on the second sliding block (12) and is in contact with the cross beam (1) through the second brake screw (14) for fixing and locking.
Preferably, a limit block (8) is arranged on the lower side of the first fixed pulley (7).
Preferably, a cylindrical hole (13) for a steel wire rope (9) to pass through is formed in the upper side of the vertical supporting square steel (3) on the right side of the cross beam (1).
Preferably, the reel (16) is provided with a locking hole (16.1) for locking the reel.
Preferably, the weight chain (18) is composed of more than one set of weights connected in series.
Preferably, the weight comprises a weight main body (18.1), an upper connecting head (18.2) and a lower connecting groove (18.3), the top of the weight main body (18.1) is connected with the upper connecting head (18.2) with a T-shaped structure, and the bottom of the weight main body (18.1) is provided with the lower connecting groove (18.3) with a T-shaped structure.
The utility model has the beneficial effects that: the utility model introduces the gantry support beam, can realize the function of supporting the filter screen, is manufactured according to the actual maximum sizes of a plurality of ditches and spans the ditches; two groups of sliding blocks are introduced and are arranged on the cross beam to realize the movement along the cross beam, the sliding blocks are provided with brake bolts which can fix the positions of the sliding blocks on the cross beam, and a movable pulley is introduced to realize the half distance of a heavy hammer during the lifting of the filter screen; the direction of the steel wire rope can be changed by introducing the static pulley; a heavy hammer chain is introduced, so that the combination of a plurality of heavy hammers can be realized, and the filter screen device with corresponding weight is hoisted; the device has the advantages of simple structure, easy carrying, small construction operation difficulty, labor-saving operation and detachability, and improves the applicability of the device in a desulfurization system.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of a vertically supported square bar;
FIG. 3 is a schematic view of an open state of the screen apparatus;
FIG. 4 is a schematic view of the closed configuration of the screen assembly;
FIG. 5 is a schematic view of the construction of the reel;
FIG. 6 is a schematic perspective view of a single weight;
in the upper diagram: crossbeam 1, go up strengthening rib 2, vertical support square steel 3, lower strengthening rib 4, universal wheel 5, first slider 6, first quiet pulley 7, stopper 8, wire rope 9, lifting hook 10, first brake screw 11, second slider 12, cylindrical hole 13, second brake screw 14, second quiet pulley 15, reel 16, movable pulley 17, weight chain 18, rings 19, vertical filter screen 20, filter screen bottom frame 21, filter screen 22 can be dismantled to the bottom, handle 23, locking hole 16.1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Preferably, the first sliding block 6 is sleeved on the cross beam 1, and the first sliding block 6 is provided with a first brake screw 11, and is fixed and locked by the first brake screw 11 contacting with the cross beam 1.
Preferably, the second sliding block 12 is sleeved on the cross beam 1, and the second sliding block 12 is provided with a second brake screw 14, and is contacted, fixed and locked with the cross beam 1 through the second brake screw 14.
Preferably, the lower side of the first fixed pulley 7 is provided with a limiting block 8, so that the position of the lifting hook is convenient to limit.
Preferably, the upper side of the vertical supporting square steel 3 on the right side of the cross beam 1 is provided with a cylindrical hole 13 for the steel wire rope 9 to pass through.
Preferably, the reel 16 is provided with a locking hole 16.1 for locking the reel.
Preferably, the weight chain 18 is composed of more than one set of weights connected in series.
In addition, the trench filter screen part comprises a hanging ring 19, a vertical filter screen 20, a filter screen bottom frame 21, a bottom detachable filter screen 22 and a handle 23, wherein the bottom detachable filter screen 22 is installed on the filter screen bottom frame 21, the handles 23 on two sides are utilized during installation and removal, the vertical filter screen 20 plays a role in filtering sundries, the circular ring 19 is welded on the upper portion of the vertical filter screen 20, and two sides of the circular ring 19 are respectively provided with a circular pipe to play a supporting role.
The working principle of the utility model is that a reel 16 with an extending section fixed with a locking function is arranged on the right side of a beam 1, the reel 16 is wound with a steel wire rope with a certain length, the steel wire rope passes through a movable pulley 17 after coming out of the reel 16, a heavy hammer or a heavy hammer chain 18 consisting of heavy hammers with different quantities can be hung on the lower part of the movable pulley 17, the steel wire rope passes through a second static pulley 15 after coming out of the movable pulley 17, passes through a cylindrical hole 13 and then passes through a first static pulley 7, the tail end of a steel wire rope 9 is connected with a high-strength lifting hook 10, and the lifting hook can lift a trench filter screen.
The using method of the utility model is as follows:
firstly, moving the whole device to a required position under the state that the heavy hammer chain 18 is disengaged, crossing two sides of the trench, braking and pressing the universal wheel 5, and fixing the whole lifting and placing device;
secondly, the pin on the locking hole 16.1 of the winch 16 is taken down, the high-strength lifting hook 10 is pulled, the lifting hook is connected with the circular ring 19 of the detachable filter screen 20 in the trench, and then the pin is inserted into the pin hole 16.1 on the manual winch 16 to lock the winch 16;
and thirdly, embedding the heavy hammers one by one to form a chain until the filter screen combination device and sundries thereof are lifted, taking down the detachable filter screen 22 at the bottom by using the handle 23, turning over the filter screen and cleaning the sundries.
The cleaning tool is mainly used for cleaning the trench filter screen of the desulfurization system, has a simple and easily realized structure and small construction operation difficulty, and improves the applicability of the special device for lifting and placing the trench filter screen of the desulfurization system.
The difference from the embodiment 1 is that: referring to fig. 2, an upper reinforcing rib 2 is arranged at the joint of a cross beam 1 and vertical supporting square steel 3, one end of the upper reinforcing rib 2 is welded on the cross beam 1, and the other end of the upper reinforcing rib is welded on the top of the vertical supporting square steel 3 to form a triangular structure; the bottom of the vertical supporting square steel 3 is provided with a lower reinforcing rib 4 to form a triangular structure, and the lower end of the lower reinforcing rib 4 is connected with a universal wheel 5.
The difference from the embodiment 1 is that: the weight is composed of a weight main body 18.1, an upper connector 18.2 and a lower connecting groove 18.3, the top of the weight main body 18.1 is connected with the upper connector 18.2 with a T-shaped structure, and the bottom of the weight main body 18.1 is provided with the lower connecting groove 18.3 with a T-shaped structure, so that a plurality of weights can be combined and connected together.
Embodiment 4, the device for lifting and lowering a filter screen of a trench of a desulfurization system comprises a beam 1, vertical supporting square steels 3, a universal wheel 5, a first slide block 6, a first fixed pulley 7, a steel wire rope 9, a second slide block 12, a second fixed pulley 15, a reel 16, a movable pulley 17 and a heavy hammer chain 18, wherein the vertical supporting square steels 3 are respectively fixed on two sides of the beam 1, and the right side of the beam 1 is provided with an extension section, the bottom of the vertical supporting square steel 3 is fixed with a universal wheel 5, a first slide block 6 and a second slide block 12 are arranged on the beam 1, a first fixed pulley 7 is movably connected below the first slide block 6, a second fixed pulley 15 is movably connected below the second slide block 12, a reel 16 is fixedly connected below the extension section on the right side of the cross beam 1, a steel wire rope 9 is wound on the reel 16, and a movable pulley 17 is arranged between the reel 16 and a second fixed pulley 15; one end of the steel wire rope 9 is fixed with a lifting hook 10, and the other end of the steel wire rope passes through the first fixed pulley 7, the second fixed pulley 15 and the movable pulley 17 to be connected to the reel 16; the lower end of the movable pulley 17 is connected with a weight chain 18.
The difference from the embodiment 1 is that: the pin matched with the locking hole 16.1 of the locking reel adopts a wave-shaped structure, so that the fixing is firmer and the falling off is avoided.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention shall fall within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides a desulphurization system trench filter screen plays puts isolated plant, characterized by: comprises a beam (1), vertical supporting square steel (3), a universal wheel (5), a first slider (6), a first static pulley (7), a steel wire rope (9), a second slider (12), a second static pulley (15), a reel (16), a movable pulley (17) and a heavy hammer chain (18), wherein the vertical supporting square steel (3) is respectively fixed on two sides of the beam (1), an extension section is arranged on the right side of the beam (1), the universal wheel (5) is fixed on the bottom of the vertical supporting square steel (3), the beam (1) is provided with the first slider (6) and the second slider (12), the lower part of the first slider (6) is movably connected with the first static pulley (7), the lower part of the second slider (12) is movably connected with the second static pulley (15), the lower part of the extension section on the right side of the beam (1) is fixedly connected with the reel (16), and the steel wire rope (9) is wound on the reel (16), a movable pulley (17) is arranged between the reel (16) and the second fixed pulley (15); one end of the steel wire rope (9) is fixed with a lifting hook (10), and the other end of the steel wire rope passes through the first fixed pulley (7), the second fixed pulley (15) and the movable pulley (17) to be connected to the reel (16); the lower end of the movable pulley (17) is connected with a heavy hammer chain (18).
2. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 1, wherein: the connecting part of the beam (1) and the vertical supporting square steel (3) is provided with an upper reinforcing rib (2), one end of the upper reinforcing rib (2) is welded on the beam (1), and the other end of the upper reinforcing rib is welded at the top of the vertical supporting square steel (3) to form a triangular structure.
3. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 2, wherein: the bottom of the vertical supporting square steel (3) is provided with a lower reinforcing rib (4) to form a triangular structure, and the lower end of the lower reinforcing rib (4) is connected with a universal wheel (5).
4. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 1, wherein: the first sliding block (6) is sleeved on the cross beam (1), a first brake screw (11) is arranged on the first sliding block (6), and the first brake screw (11) is fixedly locked with the cross beam (1) in a contact mode.
5. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 1, wherein: the second sliding block (12) is sleeved on the cross beam (1), and a second brake screw (14) is arranged on the second sliding block (12) and is fixedly locked with the cross beam (1) through the contact of the second brake screw (14).
6. The special device for lifting and placing the trench filter screen of the desulfurization system as claimed in claim 1 or 4, which is characterized in that: and a limiting block (8) is arranged on the lower side of the first fixed pulley (7).
7. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 1, wherein: and a cylindrical hole (13) for a steel wire rope (9) to pass through is formed in the upper side of the vertical supporting square steel (3) on the right side of the cross beam (1).
8. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 1, wherein: and a locking hole (16.1) for locking the reel is arranged on the reel (16).
9. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 1, wherein: the weight chain (18) is formed by connecting more than one group of weights in series.
10. The special device for lifting and placing the trench filter screen of the desulfurization system as recited in claim 9, wherein: the heavy hammer comprises a heavy hammer main body (18.1), an upper connector (18.2) and a lower connecting groove (18.3), wherein the top of the heavy hammer main body (18.1) is connected with the upper connector (18.2) with a T-shaped structure, and the bottom of the heavy hammer main body (18.1) is provided with the lower connecting groove (18.3) with the T-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122050898.1U CN216038375U (en) | 2021-08-30 | 2021-08-30 | Special device for lifting and placing trench filter screen of desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122050898.1U CN216038375U (en) | 2021-08-30 | 2021-08-30 | Special device for lifting and placing trench filter screen of desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216038375U true CN216038375U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122050898.1U Active CN216038375U (en) | 2021-08-30 | 2021-08-30 | Special device for lifting and placing trench filter screen of desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216038375U (en) |
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2021
- 2021-08-30 CN CN202122050898.1U patent/CN216038375U/en active Active
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