CN212050441U - Lifting device for overhaul in desulfurizing tower - Google Patents
Lifting device for overhaul in desulfurizing tower Download PDFInfo
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- CN212050441U CN212050441U CN202020707758.XU CN202020707758U CN212050441U CN 212050441 U CN212050441 U CN 212050441U CN 202020707758 U CN202020707758 U CN 202020707758U CN 212050441 U CN212050441 U CN 212050441U
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- desulfurizing tower
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Abstract
The utility model discloses a lifting device for overhauling inside of a desulfurizing tower, which comprises a bottom frame, wherein the bottom frame comprises a main bottom frame and an extension frame, the outer side of the main bottom frame is provided with a hoisting point, the two sides of the main bottom frame are provided with the extension frame, the inner side of the main bottom frame is provided with a middle support frame, and the upper surface of the main bottom frame is provided with a protective fence; the upper surfaces of the main underframe and the extension frame are also detachably provided with steel frame plates; the guard rail comprises two layers: the outer protective guard is connected with the main underframe or the extension frame through an outer connecting rod, and the inner protective guard is connected with the middle support frame through an inner connecting rod; the device can effectively improve the maintenance operation efficiency, improve the safety of operators and reduce the operation time.
Description
Technical Field
The utility model belongs to the technical field of the desulfurizing tower overhauls device, concretely relates to elevating gear who overhauls in desulfurizing tower.
Background
Along with the implementation of national sustainable development strategy, the environmental protection requirement is higher and higher, in recent years, high emission enterprise is in order to reduce pollutant discharge, give coal fired boiler configuration SOx/NOx control's environmental protection setting in succession, in the enterprise of using ammonia process desulfurization, the desulfurizing tower can have the concentrated section inner wall glass scale of desulfurizing tower in long-term operation dropping and the damaged condition of different degree, and the condition of tower inner wall deposit silt, because the desulfurizing tower device is higher, and the interior medium of tower has stronger corrosivity when the operation, so can't install the maintenance platform in the desulfurizing tower, and do not have the complete set of equipment of overhauing in the coal fired boiler desulfurizing tower on the market yet. Therefore, a full scaffold needs to be erected in the desulfurizing tower for each overhaul to solve the problem of ascending operation of maintainers. At present, no related lifting equipment is developed aiming at the overhaul in the desulfurizing tower.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a elevating gear who overhauls in desulfurizing tower, can effectively improve and overhaul operating efficiency, improves operation personnel security, reduces the activity duration.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
a lifting device for overhauling inside of a desulfurizing tower comprises a bottom frame, a middle support frame, guard rails, hoisting points and a steel frame plate, wherein the bottom frame comprises a main bottom frame and extension frames; the upper surfaces of the main underframe and the extension frame are also detachably provided with steel frame plates;
the guard rail comprises two layers: the outer protective guard is connected with the main underframe or the extension frame through an outer connecting rod, and the inner protective guard is connected with the middle support frame through an inner connecting rod.
The hoisting point is a hoisting ring, and a hoisting hoist is detachably connected in the hoisting ring.
The main underframe comprises two transverse bottom rods and two longitudinal bottom rods, the two transverse bottom rods are parallel to each other, the longitudinal bottom rods are arranged between the transverse bottom rods, and grooves are formed in the outer sides of the two transverse bottom rods; the extension frame left and right sides is provided with the recess, and two inboards of steel frame plate are provided with the sand grip, the sand grip with the recess cooperatees. The outer ends of the two transverse bottom rods are also provided with guide wheels.
And a diagonal brace is further arranged at the joint of the inner sides of the transverse bottom rod and the longitudinal bottom rod.
Each vertex of the outer protective fence is connected with an outer connecting rod, and the outer protective fence is connected with a main underframe or an extension frame through the outer connecting rod; and each vertex of the inner protective guard is connected with an outer protective guard through a fixed rod.
The outer guard rail is octagonal, and the inner guard rail is quadrilateral.
The middle support frame comprises a transverse frame rod and two longitudinal frame rods which are arranged in a mutually crossed mode, the two ends of the transverse frame rod and the two ends of the longitudinal frame rods are connected with the inner sides of the main underframe, and the longitudinal frame rods are connected with inner connecting rods.
The outer connecting rod is connected to the outer side of the main underframe or the extension frame.
The heights of the outer connecting rod and the inner connecting rod are consistent and are 1.1-1.3 m.
The utility model discloses produced beneficial effect for prior art does:
the device can greatly improve the operation safety factor of the staff, improve the operation efficiency and effectively shorten the operation time.
Drawings
Fig. 1 is a schematic top view of the device according to embodiment 1 of the present invention.
Fig. 2 is a schematic front view of the device in embodiment 1 of the present invention.
Fig. 3 is a schematic left view of the device in embodiment 1 of the present invention.
Fig. 4 is a schematic view of a structure of a middle supporting frame of a device in embodiment 1 of the present invention.
Fig. 5 is a schematic view of an installation method of a steel frame plate in the device according to embodiment 1 of the present invention.
Fig. 6 is a schematic view of a groove and a rib structure in the device according to embodiment 1 of the present invention.
Fig. 7 is a schematic view of a groove and a rib structure in the device of embodiment 2 of the present invention.
The device comprises a main underframe 1, a main underframe 2, an extension frame 3, a guide wheel 4, diagonal braces 5, a middle support frame 6, an outer protective guard 7, a hoisting point 8, a steel frame plate 9, an inner protective guard 9, an outer connecting rod 10, an inner connecting rod 11, a fixed rod 12, a transverse bottom rod 13, two longitudinal bottom rods 14, a groove 15, a convex strip 16, a connecting screw 17 and an adjusting bolt 18.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Example 1
As shown in the figures 1-6 of the drawings,
a lifting device for overhauling inside of a desulfurizing tower comprises a bottom frame, a middle support frame 5, a protective guard, lifting points 7 and a steel frame plate 8, wherein the bottom frame comprises a main bottom frame 1 and extension frames 2, the lifting points 7 are arranged on the outer side of the main bottom frame 1, the extension frames 2 are arranged on two sides of the main bottom frame 1, the middle support frame 5 is arranged on the inner side of the main bottom frame 1, and the protective guard is arranged on the upper surface of the main bottom frame; the upper surfaces of the main underframe 1 and the extension frame 2 can be also detachably provided with steel frame plates 8;
the guard rail comprises two layers: the outer protective guard 6 is connected with the main underframe 1 or the extension frame 2 through an outer connecting rod 10, and the inner protective guard 9 is connected with the middle support frame 5 through an inner connecting rod 11.
As shown in fig. 5, the steel frame plate is installed between the outer guard rail and the inner guard rail, and the steel frame plate may be installed on the extension frames at both sides and upper and lower sides of the bottom frame.
A plurality of hoisting points 7, preferably 8, are arranged on the outer side of the main underframe; the hoisting point 7 is a hoisting ring, and a hoisting hoist is detachably connected in the hoisting ring.
The main underframe 1 comprises two transverse bottom rods 13 and two longitudinal bottom rods 14, the two transverse bottom rods 13 are parallel to each other, the longitudinal bottom rods 14 are arranged between the transverse bottom rods, and grooves 15 are formed in the outer sides of the two transverse bottom rods; 2 left and right sides of extension frame are provided with recess 15, and two inboards in 8 bottoms of steel frame plate are provided with sand grip 16, sand grip 16 with recess 15 cooperatees, and the outside distance of two horizontal sill bars of steel frame plate both sides sand grip interval more than or equal to. The distance between the convex strips on the two sides of the steel frame plate is more than or equal to the distance between the left side and the right side of the extension frame.
The outer ends of the two transverse bottom rods are also provided with guide wheels 3.
The joint of the inner sides of the transverse bottom rod 13 and the longitudinal bottom rod 14 is also provided with a diagonal bracing 4.
Each vertex of the outer guard railing 6 is connected with an outer connecting rod 10, and is connected with the main underframe 1 or the extension frame 2 through the outer connecting rod 10; each vertex of the inner guard rail 9 is connected with the outer guard rail 6 through a fixing rod 12.
The outer guard rail 6 is octagonal, and the inner guard rail 9 is quadrilateral.
The middle supporting frame 5 comprises a transverse frame rod and two longitudinal frame rods which are arranged in a mutually crossed mode, the two ends of the transverse frame rod and the two ends of the longitudinal frame rods are connected with the inner sides of the main underframe 1, and the longitudinal frame rods are connected with inner connecting rods 11.
The outer connecting rod 10 is connected to the outer side of the main chassis 1 or the extension frame 2.
The heights of the outer connecting rod 10 and the inner connecting rod 11 are consistent, and are 1.1-1.3 meters, preferably 1.2 meters.
Example 2
In the structure of embodiment 1, the convex strip 16 is set to be L-shaped, the convex strip 16 on one side of the steel frame plate 8 is fixedly arranged, the other side of the steel frame plate is provided with a plurality of connecting screw rods 17, the convex strip 16 is arranged on the connecting screw rods 17 in a penetrating manner, the connecting screw rods 17 are in threaded connection with adjusting bolts 18, and the adjusting bolts 18 are positioned on the outer sides of the convex strips. The rib may also be one or more bumps.
All connections in this structure all adopt bolted connection, bolt M16 60mm, 60.
Because the aqueous ammonia has stronger corrosivity when the desulfurizing tower moves, so before overhauing the operation, need to organize each part of elevating gear fast in the tower, use concentrated section shower head to support the girder steel as the anchor point, hang wire rope formula electric block, with overhaul platform hoist and mount some connection.
During actual operation, connect steel frame plate 8 on main chassis or extension frame, the sand grip joint is in the draw-in groove, and steel frame plate is located the main chassis or the extension frame between internal connection pole and the outer joint pole, and internal connection pole and outer joint pole can restrict steel frame plate 8's position, prevent that steel frame plate from shifting in operation. The steel frame plate 8 can be removed when the whole device is moved. The steel frame plate may be a grate plate.
The hoisting hoist is connected to a hoisting point, 4 workers need to use the hand hoisting hoist to operate the integral lifting or descending of the maintenance platform at the same time, and the maintenance operation can be carried out when the preset operation height is reached.
The repairing and cleaning operation of the wall of the desulfurizing tower is finished by 16 persons in the prior art within 7 days, and the technical popularization can greatly improve the operation safety factor of workers, improve the operation efficiency and shorten the operation time. A large amount of manpower, material resources and financial resources are saved for the company, and the cost of labor and material loss for the company is saved by about 6.8 ten thousand yuan each year.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (8)
1. The lifting device for overhauling the inside of the desulfurizing tower is characterized by comprising an underframe, a middle support frame, a protective guard, a hoisting point and a steel frame plate, wherein the underframe comprises a main underframe (1) and an extension frame (2), the hoisting point (7) is arranged on the outer side of the main underframe (1), the extension frames (2) are arranged on two sides of the main underframe (1), the middle support frame (5) is arranged on the inner side of the main underframe, and the protective guard is arranged on the upper surface of the main underframe; the upper surfaces of the main underframe (1) and the extension frame (2) are also detachably provided with steel frame plates (8);
the guard rail comprises two layers: the outer protective guard (6) is connected with the main underframe (1) or the extension frame (2) through an outer connecting rod (10), and the inner protective guard (9) is connected with the middle support frame (5) through an inner connecting rod (11).
2. The lifting device for overhauling in the desulfurizing tower as recited in claim 1, wherein the hoisting point (7) is a hoisting ring, and a hoisting hoist is detachably connected in the hoisting ring.
3. The lifting device for overhauling in the desulfurizing tower is characterized in that the main underframe (1) comprises two transverse bottom rods (13) and two longitudinal bottom rods (14), the two transverse bottom rods (13) are parallel to each other, the longitudinal bottom rods (14) are arranged between the transverse bottom rods, and the outer sides of the two transverse bottom rods are provided with grooves (15); the left side and the right side of the extension frame (2) are provided with grooves (15), two inner sides of the steel frame plate (8) are provided with raised strips (16), and the raised strips (16) are matched with the grooves (15).
4. The lifting device for overhauling in the desulfurizing tower is characterized in that a diagonal inclined support (4) is further arranged at the joint of the inner sides of the transverse bottom rod (13) and the longitudinal bottom rod (14); the outer ends of the two transverse bottom rods are also provided with guide wheels (3).
5. The lifting device for overhauling in the desulfurizing tower is characterized in that each vertex of the outer protective guard (6) is connected with an outer connecting rod (10) and is connected with the main underframe (1) or the extension frame (2) through the outer connecting rod (10); each vertex of the inner protective guard (9) is connected with an outer protective guard (6) through a fixing rod (12).
6. The lifting device for the overhaul in the desulfurization tower as claimed in claim 1, wherein the outer guard rail (6) is octagonal and the inner guard rail (9) is quadrilateral.
7. The lifting device for overhauling inside of desulfurizing tower as claimed in claim 1, wherein the middle supporting frame (5) comprises a cross frame bar and two longitudinal frame bars which are crossed with each other, both ends of the cross frame bar and the longitudinal frame bars are connected with the inner side of the main chassis (1), and the longitudinal frame bars are connected with the inner connecting rods (11).
8. The lifting device for overhauling inside of desulfurizing tower as claimed in claim 1, wherein said external connecting rod (10) is connected to the outside of main chassis (1) or extension frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020707758.XU CN212050441U (en) | 2020-04-30 | 2020-04-30 | Lifting device for overhaul in desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020707758.XU CN212050441U (en) | 2020-04-30 | 2020-04-30 | Lifting device for overhaul in desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212050441U true CN212050441U (en) | 2020-12-01 |
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ID=73526365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020707758.XU Active CN212050441U (en) | 2020-04-30 | 2020-04-30 | Lifting device for overhaul in desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212050441U (en) |
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2020
- 2020-04-30 CN CN202020707758.XU patent/CN212050441U/en active Active
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