CN219194441U

CN219194441U - Lifting platform capable of being matched with boiler hearths of different sizes

Info

Publication number: CN219194441U
Application number: CN202223529355.9U
Authority: CN
Inventors: 贾信郎
Original assignee: Hubei Yuguan Construction Engineering Co ltd
Current assignee: Hubei Yuguan Construction Engineering Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-16
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a lifting platform capable of being matched with boiler hearths of different sizes, which comprises a steel transverse frame and a telescopic assembly, wherein a fixing plate is welded above the steel transverse frame. This can carry out complex lift platform with not unidimensional boiler furnace can control upset and the setting of upper plate height variability through the curb plate for maintainer can be according to boiler furnace's internal dimension, but the horizontal length of walking of steel horizontal frame top is adjusted, when lift platform is in the use, when the unable support maintainer of current walking length overhauls, the flexible of hydraulic telescoping rod one is utilized to the maintainer, highly adjustment to suitable size back together curb plate and upper plate, overturn curb plate and upper plate to the horizontality again, curb plate and upper plate just can increase the horizontal length of walking of steel horizontal frame top this moment, thereby reinforcing lift platform's suitability performance, make lift platform can overhaul not unidimensional furnace.

Description

Lifting platform capable of being matched with boiler hearths of different sizes

Technical Field

The utility model relates to the technical field of boiler furnace maintenance, in particular to a lifting platform capable of being matched with boiler furnaces of different sizes.

Background

The boiler is energy conversion equipment, the energy input to the boiler is chemical energy, electric energy and steam, high temperature water or organic heat carrier with certain heat energy output by the boiler, the boiler can be divided into a boiler and a hearth, the hearth is a place for burning the fuel, the common boiler is mainly used for providing hot water and is commonly used in canteens and other places, the boiler is also applied to industry in a small amount, in the industrial production process, the boiler hearth is mainly used for a thermal power station, in the process of regular large overhaul of a boiler hearth used by a thermal power plant, an maintainer needs to enter the inside of the hearth, and then the lifting platform is utilized for adjusting the self height to overhaul the inside of the hearth.

The patent document with the publication number of CN212609397U discloses a thermal power generation boiler furnace maintenance lifting platform, which comprises a lifting platform body, wherein an auxiliary mechanism is arranged at the top of the lifting platform body; the auxiliary mechanism comprises a box body, the box body is fixedly arranged at the top of the lifting platform body, a guardrail is fixedly arranged at the top of the box body, a motor is fixedly arranged in the box body, the motor is fixedly connected with a first bevel gear through an output shaft, a rotating rod is arranged in the box body, a second bevel gear is fixedly arranged outside the rotating rod, and the second bevel gear is arranged at the top of the first bevel gear and meshed with the first bevel gear, so that the auxiliary mechanism has the beneficial effects that: through assist in the design, can adjust the height of guardrail at box top according to maintainer's demand, and then can make the movable plate move down, the maintainer's of being convenient for use, the potential safety hazard when having reduced the maintainer and using.

Above-mentioned device is in the use, the maintainer stands in the top of box, carries out work, at the maintenance in-process, the guardrail can protect the maintainer, but the box lateral length that the device is connected is fixed, the device just can't be according to the inside lateral length adjustment box of furnace in the use for the device can only overhaul the furnace of corresponding size, in the in-service use, can reduce the suitability performance of device, leads to the device unable to overhaul not unidimensional furnace, for this reason, we propose a can carry out complex lift platform with not unidimensional boiler furnace.

Disclosure of Invention

The utility model aims to provide a lifting platform which can be matched with boiler hearths of different sizes so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: can carry out complex lift platform with not unidimensional boiler furnace, including horizontal frame of steel and scalable subassembly, the top welding of the horizontal frame of steel has the fixed plate, and both ends middle part all welds around the top of fixed plate has the protection frame, both ends all are fixed with the connector about the top of fixed plate, and the top of connector articulates there is the curb plate, scalable subassembly sets up in the inside of curb plate, and scalable subassembly includes hydraulic telescoping rod one, upper plate and connecting plate, hydraulic telescoping rod one's top is fixed with the upper plate, and the one side welding that the horizontal frame axis of steel was kept away from to the upper plate has the connecting plate.

Further, a threaded sleeve is arranged on the inner side of the steel transverse frame, and a thickening screw rod penetrates through the inner side of the threaded sleeve.

Further, the left end of the thickening screw rod is provided with a linkage assembly, the linkage assembly comprises a belt pulley, a belt and a forward and reverse motor, the belt is arranged on the outer side of the belt pulley, and the forward and reverse motor is arranged on the left end below the inner side of the belt.

Further, an auxiliary supporting plate is fixedly connected above the threaded sleeve, and the cross section of the auxiliary supporting plate is rectangular in overlooking.

Further, a lifting frame is arranged in the middle of the lower portion of the steel transverse frame, and a second hydraulic telescopic rod is installed on the inner side of the lifting frame.

Further, a bottom plate is hinged below the lifting frame, and the section elevation of the bottom plate is rectangular.

Further, both ends all are provided with fixed subassembly around the top of crane, and the top left end welding of crane has the fixed bolster.

Further, the fixed component comprises a first mounting plate and a second mounting plate, and the second mounting plate is arranged above the first mounting plate.

The utility model provides a lifting platform capable of being matched with boiler hearths of different sizes, which has the following beneficial effects: this can carry out complex lift platform with not unidimensional boiler furnace adopts curb plate upset about and the setting of upper plate height variability for lift platform is in the use, maintainer can be according to boiler furnace's internal dimension, but the lateral length of walking above the horizontal frame of steel is adjusted, when lift platform is in the use, present walking length can't support maintainer to overhaul furnace left wall or right wall, the maintainer utilizes hydraulic telescoping rod one flexible, highly adjustment to suitable size back together curb plate and upper plate, overturn curb plate and upper plate again to the horizontality, curb plate and upper plate just can increase the lateral length that can walk above the horizontal frame of steel this moment, thereby the suitability performance of reinforcing lift platform, make lift platform can overhaul not unidimensional furnace.

1. After the lifting platform is arranged in the hearth, in the process of overhauling by using the lifting platform, an overhauling person can utilize the side plates and the upper plate to change the transverse length of the steel transverse frame, when the existing length of the steel transverse frame cannot support the overhauling person to overhaul the left wall of the hearth in the overhauling process, an operator firstly utilizes the expansion and contraction of the first hydraulic telescopic rod to adjust the position of the upper plate, the overhauling person adjusts the upper plate to a proper position according to the interval between the steel transverse frame and the left wall of the hearth, then starts the forward and reverse rotating motor, moves the threaded sleeve to the leftmost side of the thickening wire rod by utilizing the rotation of the forward and reverse rotating motor, at the moment, the auxiliary supporting plate can extend out from the left end of the steel transverse frame, then the overhauling person holds the handle to push to the left side, in the pushing process, the upper plate can turn left until the connecting plate is pushed to be attached to the upper surface of the auxiliary supporting plate, at the moment, the overhauling person can step on the upper surface of the side plates, overhauling person can overhauling the left wall of the hearth, at the moment, the left side plate can turn left side plate and the upper plate to the right side, the left side plate can be adjusted to the position of the left side plate can be turned right, and the size of the overhauling platform can be adjusted according to the size of the lifting platform, and the overhauling platform can not walk in the process.

2. According to the utility model, in the forward and reverse rotation process of the forward and reverse rotation motor, the main shaft on the right side of the forward and reverse rotation motor can drive the belt to rotate, the belt pulley rotates along with the rotation of the belt, the thickening screw rod rotates forward and reverse under the action of the belt pulley, the belt pulley is separated from the main shaft on the right side of the belt pulley and the forward and reverse rotation motor at the moment, the outer side of the thickening screw rod moves left and right, so that the auxiliary support plate can also move left and right, the auxiliary support plate can move left and right, the lifting platform is arranged, the auxiliary support plate can support the telescopic assembly at the left end or the right end according to the requirements of a service personnel, meanwhile, when the boiler furnace of a thermal power plant needs to be overhauled in the use process, an operator firstly utilizes a tool to rotate out screws penetrating through the inner side of the mounting plate I and the mounting plate II, the belt pulley is separated from the main shaft on the right side of the forward and reverse rotation motor at the moment, the steel transverse frame and the lifting frame are in a separable state, then the operator can divide the lifting platform into two parts, the second hydraulic rod is started, the second hydraulic rod is contracted to the second hydraulic rod is arranged, the second telescopic rod is retracted to the first part, the second hydraulic rod is contracted to the second telescopic rod is retracted to the inner part of the furnace, the second telescopic rod is retracted to the inner the furnace the lifting platform, and the second telescopic rod is arranged in the lifting platform, and the lifting platform can be conveniently disassembled to the inner the lifting platform by the operator, and the operator can be overhauled to the lifting platform can be matched to the inner the lifting platform.

Drawings

FIG. 1 is a schematic elevational view of a lifting platform of the present utility model which can be fitted to boiler hearths of different sizes;

FIG. 2 is a schematic diagram of a front cross-sectional view of a hydraulic telescoping rod and upper plate of a lifting platform of the present utility model that can be fitted to different sized boiler hearths;

FIG. 3 is a schematic elevational cross-sectional view of a steel cross frame and accessory support plate of a lift platform of the present utility model that can be fitted to different sized boiler hearths;

FIG. 4 is an enlarged schematic view of the elevating platform of FIG. 1A, which can be used with boiler furnace of different sizes in accordance with the present utility model;

fig. 5 is a schematic perspective view of a fixing plate and a protective frame of a lifting platform capable of being matched with boiler hearths of different sizes.

In the figure: 1. a steel transverse frame; 2. a fixing plate; 3. a protective frame; 4. a connector; 5. a side plate; 6. a telescoping assembly; 601. a first hydraulic telescopic rod; 602. an upper plate; 603. a connecting plate; 7. a thread sleeve; 8. thickening the screw rod; 9. an auxiliary supporting plate; 10. a fixing assembly; 1001. a first mounting plate; 1002. a second mounting plate; 11. a linkage assembly; 1101. a belt pulley; 1102. a belt; 1103. a forward and reverse rotation motor; 12. a fixed bracket; 13. a lifting frame; 14. a bottom plate; 15. and a second hydraulic telescopic rod.

Detailed Description

As shown in fig. 1, 2 and 5, a lifting platform capable of being matched with boiler hearths of different sizes comprises a steel transverse frame 1 and a telescopic component 6, wherein a fixed plate 2 is welded above the steel transverse frame 1, a protective frame 3 is welded at the middle parts of the front end and the rear end of the upper part of the fixed plate 2, connectors 4 are fixed at the left end and the right end of the upper part of the fixed plate 2, a side plate 5 is hinged above the connectors 4, the telescopic component 6 is arranged in the side plate 5, the telescopic component 6 comprises a first hydraulic telescopic rod 601, an upper plate 602 and a connecting plate 603, the upper plate 602 is fixed above the first hydraulic telescopic rod 601, the connecting plate 603 is welded at one side of the upper plate 602 away from the central axis of the steel transverse frame 1, the transverse length of a bottom plate 14 arranged on the lifting platform is smaller than the width inside most of the hearth of a thermal power plant, in the process of overhauling by using the lifting platform, an overhauler can adjust the transverse length of the steel transverse frame 1 by using the side plates 5 and the upper plate 602, when the overhauler cannot support the existing length of the steel transverse frame 1 to overhaul the left wall of the hearth in the overhauling process, an operator firstly holds a bolt inserted between the upper plate 602 and the protective frame 3 to pull outwards, fully pulls out the bolt, then holds a handle above the inner side of the upper plate 602, and is hinged with the connector 4 due to the side plates 5, the upper plate 602 is in a reversible state, then the first hydraulic telescopic rod 601 is started, the position of the upper plate 602 is adjusted by using the telescopic of the first hydraulic telescopic rod 601, after the overhauler adjusts the upper plate 602 to a proper position according to the interval between the steel transverse frame 1 and the left wall of the hearth, the positive and negative motor 1103 is started again, and the positive and negative motor 1103 is used for rotating, the screw sleeve 7 is moved to the leftmost side of the thickened wire rod 8, the auxiliary supporting plate 9 can extend out of the left end of the steel transverse frame 1, then an maintainer holds the handle to push to the left side, in the pushing process, the upper plate 602 can be turned left until the upper plate 603 is pushed to be attached to the upper surface of the auxiliary supporting plate 9, the upper plate 602 is in a horizontal state, at the moment, the maintainer can step on the upper surfaces of the side plate 5 and the upper plate 602 to overhaul the left wall of the hearth, meanwhile, in the overhaul process, the right wall of the hearth is in the same mode, after the auxiliary supporting plate 9 is moved to the right side, the upper plate 602 on the right side is adjusted to a horizontal state, so that the maintainer can conveniently operate, meanwhile, the side plate 5 can be turned left and right, the position of the upper plate 602 is movably arranged, and the maintainer can adjust the self-walking transverse length according to the internal size to be overhauled in the use process, so that the suitability of the lifting platform is enhanced, and the lifting platform can overhaul hearths of hearths with different sizes.

As shown in fig. 1 and 4, a screw sleeve 7 is arranged on the inner side of a steel transverse frame 1, a thickening screw rod 8 penetrates through the inner side of the screw sleeve 7, a linkage assembly 11 is arranged at the left end of the thickening screw rod 8, the linkage assembly 11 comprises a belt pulley 1101, a belt 1102 and a forward and reverse rotation motor 1103, the belt 1102 is arranged on the outer side of the belt 1101, the forward and reverse rotation motor 1103 is arranged at the left end below the inner side of the belt 1102, an auxiliary supporting plate 9 is fixedly connected above the screw sleeve 7, the section of the auxiliary supporting plate 9 is rectangular in a overlooking manner, the belt 1102 can be driven by a main shaft on the right side of the forward and reverse rotation motor 1103 to rotate in the forward and reverse rotation process, the belt pulley 1101 can rotate along with the rotation of the belt 1102, the thickening screw rod 8 can also perform forward and reverse rotation under the action of the belt pulley 1101 at the moment, the thickening screw rod 8 is in the forward and reverse rotation process, the screw sleeve 7 can move left and right on the outer side of the thickening screw rod 8, so that the auxiliary supporting plate 9 can also move left and right, the auxiliary supporting plate 9 can move left and right, in the use process of the lifting platform, the auxiliary supporting plate 9 can support the telescopic component 6 at the left end or the right end according to the requirements of an maintainer, the lifting frame 13 is arranged in the middle of the lower part of the steel transverse frame 1, the second hydraulic telescopic rod 15 is arranged on the inner side of the lifting frame 13, the bottom plate 14 is hinged below the lifting frame 13, the section elevation of the bottom plate 14 is rectangular, the fixing components 10 are arranged at the front end and the rear end above the lifting frame 13, the fixing support 12 is welded at the left end above the lifting frame 13, the fixing components 10 comprise a first mounting plate 1001 and a second mounting plate 1002, the second mounting plate 1002 is arranged above the first mounting plate 1001, and the lifting platform is mainly composed of the steel transverse frame 1, the fixing plate 2, the fixing component 10, the lifting frame 13, the bottom plate 14, the hydraulic telescopic rod two 15 and other parts constitute, when the boiler furnace of the thermal power plant is in use, when the interior of the furnace needs to be overhauled, an operator firstly rotates out screws penetrating through the inner sides of the first mounting plate 1001 and the second mounting plate 1002 by using tools, at the moment, the belt 1102 is separated from the belt pulley 1101 and the main shaft on the right side of the forward and backward rotating motor 1103, the steel transverse frame 1 and the lifting frame 13 are in a separable state, then the operator divides the lifting platform into two parts, then the hydraulic telescopic rod two 15 is started again, the hydraulic telescopic rod two 15 is contracted to the maximum degree, at the moment, the height of the lifting frame 13 can be reduced to the minimum, and then the operator can convey the lifting platform disassembled into the two parts into the furnace through a maintenance channel of the boiler of the thermal power plant.

In summary, when the lifting platform capable of being matched with boiler hearths of different sizes is used, firstly, as shown in fig. 1, 4 and 5, the lifting platform mainly comprises a steel transverse frame 1, a fixed plate 2, a protection frame 3, a fixed assembly 10, a lifting frame 13, a bottom plate 14, a hydraulic telescopic rod II 15 and other parts, when the boiler hearths of a thermal power plant are used, during the process of overhauling the inside of the hearth, an operator firstly uses a tool to rotate all screws penetrating through the inner sides of a first mounting plate 1001 and a second mounting plate 1002, then separates a belt 1102 from a main shaft on the right side of a belt pulley 1101 and a forward and backward rotating motor 1103, at this time, the steel transverse frame 1 and the lifting frame 13 are in a separable state, then the operator separates the steel transverse frame 1 and the lifting frame 13, the lifting platform can be divided into two parts, then the hydraulic telescopic rod II 15 is started, after the second hydraulic telescopic rod 15 is contracted to the maximum extent, the height of the lifting frame 13 can be reduced to the minimum, an operator conveys the lifting platform disassembled into two parts into the hearth through the overhaul channel of the boiler of the thermal power plant, the lifting platform is reassembled in the opposite mode, the belt 1102 is reinstalled to the original position, the maintainer stands above the fixed plate 2 again, the second hydraulic telescopic rod 15 is controlled, the height of the second hydraulic telescopic rod 15 can be adjusted by using the telescopic of the second hydraulic telescopic rod 15, when the transverse length of the upper part of the steel transverse frame 1 can support the maintainer to overhaul the left wall and the right wall of the hearth, the telescopic assembly 6 can be matched with the protective frame 3 to protect the maintainer, when the existing length of the steel transverse frame 1 can not support the maintainer to overhaul the inner wall of the hearth, according to fig. 2 and 3, an operator first holds the bolt inserted between the upper plate 602 and the protective frame 3 and pulls the bolt outwards, then holds the handle above the inner side of the upper plate 602 after the bolt is completely pulled out, and then starts the first hydraulic telescopic rod 601 because the side plate 5 is hinged with the connector 4, adjusts the position of the upper plate 602 according to the space between the steel transverse frame 1 and the left wall of the hearth by using the first hydraulic telescopic rod 601, then starts the forward and reverse rotation motor 1103 after the operator adjusts the upper plate 602 to a proper position, the main shaft on the right side of the forward and reverse rotation motor 1103 can drive the belt 1102 to rotate in the forward and reverse rotation process, the belt 1101 can rotate along with the rotation of the belt 1102, and the thickening screw 8 can also rotate forward and reverse under the action of the belt 1101, during the forward and backward rotation of the thickening screw rod 8, the threaded sleeve 7 can move left and right on the outer side of the thickening screw rod 8, the auxiliary supporting plate 9 can also move left and right, then the threaded sleeve 7 is moved to the leftmost side of the thickening screw rod 8 by utilizing the rotation of the forward and backward rotation motor 1103, at the moment, the auxiliary supporting plate 9 can extend out of the left end of the steel transverse frame 1, a maintainer holds the handle to push leftwards, during the pushing process, the upper plate 602 can turn leftwards until the connecting plate 603 is pushed to be attached to the upper surface of the auxiliary supporting plate 9, the upper plate 602 is in a horizontal state, at the moment, the maintainer can step on the upper surfaces of the side plate 5 and the upper plate 602 to overhaul the left wall of the hearth, and at the same time, during the overhaul of the right wall of the hearth, after the auxiliary supporting plate 9 is moved to the right side in the same manner as described above, the upper plate 602 on the right side is adjusted to be in a horizontal state, the operation of the maintainer can be facilitated.

Claims

1. Can carry out complex lift platform with not unidimensional boiler furnace, including horizontal frame (1) of steel and scalable subassembly (6), a serial communication port, the top welding of horizontal frame (1) of steel has fixed plate (2), and both ends middle part all welds around the top of fixed plate (2) has protection frame (3), both ends all are fixed with connector (4) about the top of fixed plate (2), and the top of connector (4) articulates there is curb plate (5), scalable subassembly (6) set up in the inside of curb plate (5), and scalable subassembly (6) are fixed with upper plate (602) and connecting plate (603) including hydraulic telescoping rod one (601), and the top of hydraulic telescoping rod one (601) is fixed with connecting plate (603) and one side welding that the horizontal frame (1) axis of steel was kept away from to upper plate (602).

2. Lifting platform capable of being matched with boiler hearths of different sizes according to claim 1, wherein a threaded sleeve (7) is arranged on the inner side of the steel transverse frame (1), and a thickened wire rod (8) penetrates through the inner side of the threaded sleeve (7).

3. The lifting platform capable of being matched with boiler hearths of different sizes according to claim 2, wherein a linkage assembly (11) is arranged at the left end of the thickening wire rod (8), the linkage assembly (11) comprises a belt pulley (1101), a belt (1102) and a forward and reverse motor (1103), the belt (1102) is arranged on the outer side of the belt pulley (1101), and the forward and reverse motor (1103) is arranged at the left end below the inner side of the belt (1102).

4. Lifting platform capable of being matched with boiler hearths of different sizes according to claim 2, wherein an auxiliary supporting plate (9) is fixedly connected above the threaded sleeve (7), and the section of the auxiliary supporting plate (9) is rectangular in shape.

5. Lifting platform capable of being matched with boiler hearths of different sizes according to claim 1, wherein a lifting frame (13) is arranged in the middle of the lower part of the steel transverse frame (1), and a hydraulic telescopic rod II (15) is arranged on the inner side of the lifting frame (13).

6. Lifting platform capable of being matched with boiler hearths of different sizes according to claim 5, wherein a bottom plate (14) is hinged below the lifting frame (13), and the section of the bottom plate (14) is rectangular.

7. The lifting platform capable of being matched with boiler hearths of different sizes according to claim 5, wherein fixing assemblies (10) are arranged at the front end and the rear end of the upper part of the lifting frame (13), and a fixing bracket (12) is welded at the left end of the upper part of the lifting frame (13).

8. The lifting platform capable of being matched with boiler hearths of different sizes according to claim 7, wherein the fixing assembly (10) comprises a first mounting plate (1001) and a second mounting plate (1002), and the second mounting plate (1002) is arranged above the first mounting plate (1001).