CN215666731U - Remove supporting platform and urea synthetic tower hoist device - Google Patents
Remove supporting platform and urea synthetic tower hoist device Download PDFInfo
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- CN215666731U CN215666731U CN202122230388.2U CN202122230388U CN215666731U CN 215666731 U CN215666731 U CN 215666731U CN 202122230388 U CN202122230388 U CN 202122230388U CN 215666731 U CN215666731 U CN 215666731U
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Abstract
The utility model relates to a movable supporting platform and a urea synthetic tower hoisting device, wherein the movable supporting platform comprises a frame platform which can be used for supporting a urea synthetic tower which is horizontally placed, and pulleys are arranged at the bottom of the frame platform and matched with a track laid on the ground at the bottom of a structural frame; and one end of the frame platform is fixedly provided with a gantry crane. The urea synthesis tower hoisting device comprises a movable supporting platform and a hydraulic lifter arranged at the top of the structural frame and used for hoisting the urea synthesis tower. The utility model adopts the frame platform in the movable supporting platform to move the urea synthesizing tower, replaces the existing tail sliding crane with the gantry crane, and is matched with the hoisting equipment at the top of the structural frame, so that the urea synthesizing tower is gradually lifted to a vertical state from a horizontal state, the defect that the tail sliding crane cannot enter a field with small operation space is overcome, and the operation process is safer and more reliable.
Description
Technical Field
The utility model relates to a hoisting device, in particular to a movable supporting platform and a urea synthesis tower hoisting device adopting the movable supporting platform.
Background
With the vigorous development of the national chemical industry, the hoisting technology difficulty of large-scale chemical equipment is more and more increased, and the hoisting characteristics of the large-scale chemical equipment mainly include large tonnage, high hoisting height, narrow hoisting space, tight construction period and the like. In the hoisting process of urea production equipment, as the urea synthesis tower is assembled by a manufacturer on site, in order to complete the translation and hoisting of the urea synthesis tower, more than two cranes are generally required to be selected for the cooperative hoisting operation.
During forward hoisting, one crane is arranged at the head of the equipment cylinder in front, and the other crane is arranged at the tail lifting lug of the urea synthesis tower cylinder in back. After the rigging is fastened, two cranes simultaneously lift the hook, the equipment barrel is lifted away from the rotating tire, then the rotating tire is sequentially removed by using an auxiliary truck crane, 3-5 sleeper piles are laid at a preset position below the equipment barrel, a main crane slowly rotates a arm, the auxiliary crane slowly moves forward and follows, the two cranes cooperatively operate, the head of the equipment is gradually sent into the concrete main frame, the forward movement operation is stopped until a pin shaft hole of a main lifting lug is located on the central axis of the frame, the hoisting rigging is released, the crane withdraws from an operation area, and then the formal in-place hoisting construction of the urea synthesis tower barrel on the next step is prepared. The urea synthesis tower crane is installed by hydraulic lifting, two hydraulic lifters are used for lifting the equipment installation designated elevation through a lifting girder installed on a frame structure, and one crane is needed for tail sliding in the process of lifting the urea synthesis tower from a horizontal state to a vertical state.
In the hoisting method in the prior art, a plurality of cranes are needed, the occupied construction space is very large, the hoisting method is not suitable for hoisting equipment in a small space, and the problems of low safety and reliability exist in the prior art.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a movable supporting platform and a urea synthesis tower crane device so as to achieve the purpose of safely hoisting a urea synthesis tower in a small space.
In order to solve the technical problems, according to one aspect of the utility model, a movable supporting platform is provided, which comprises a frame platform for supporting a horizontally-placed urea synthesis tower, wherein the bottom of the frame platform is provided with pulleys which are matched with a track laid on the ground at the bottom of a structural frame; and one end of the frame platform is fixedly provided with a gantry crane.
Furthermore, the frame platform comprises a cuboid steel frame, and a wood base plate is fixed on the top surface of the steel frame.
Further, the steel frame bottom is provided with the supporting seat, the pulley is installed in the supporting seat bottom.
Furthermore, the gantry crane comprises support columns on two sides and an arm beam fixedly connected between the two support columns, an electric hoist is mounted on the arm beam, and the support columns are fixedly connected with a support seat at the bottom of the steel frame.
Furthermore, a locking device is arranged on the pulley.
According to another aspect of the utility model, a urea synthesis tower hoisting device is provided, which comprises the above-mentioned movable supporting platform and a hydraulic lifter arranged on the top of the structural frame for hoisting the urea synthesis tower.
Furthermore, the urea synthesis tower hoisting device comprises two or more rectangular protective frames arranged outside the urea synthesis tower.
Furthermore, the rectangular protective frame is formed by connecting four unit frames with the same structure through bolts, any one unit frame comprises a wood frame, the inner side face of the wood frame is an arc-shaped face, and a rubber protective layer is arranged on the arc-shaped face.
Compared with the prior art, the utility model adopts the framework platform in the movable supporting platform to move the urea synthesizing tower, replaces the existing tail sliding crane with the gantry crane, and is matched with the hoisting equipment at the top of the structural framework, so that the urea synthesizing tower is gradually lifted to the vertical state from the horizontal state, the defect that the tail sliding crane cannot enter a field in a small operation space is overcome, and the operation process is safer and more reliable.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a front view of a mobile support platform according to the present invention.
Fig. 2 is a side view of the mobile support platform of the present invention.
FIG. 3 is a reference diagram of the using state of the tower-mounted device for urea synthesis of the utility model.
Fig. 4 is a schematic structural view of the protection frame.
In the figure, 1-urea synthetic tower, 2-frame platform, 3-pulley, 4-rail, 5-gantry crane, 6-structural frame, 7-hydraulic lifter, 8-steel strand, 9-steel lifting rope and 10-rectangular protective frame;
201-steel frame, 202-wood backing plate, 203-bearing seat, 204-supporting seat, 501-supporting column, 502-arm beam, 503-electric hoist, 1001-wood frame and 1002-rubber protective layer.
Detailed Description
A typical embodiment of the present invention provides a mobile support platform, as shown in fig. 1, comprising a frame platform 2 for supporting a horizontally placed urea synthesis tower 1, wherein the bottom of the frame platform 2 is provided with pulleys 3, and the pulleys 3 are matched with rails 4 laid on the ground at the bottom of the structural frame; and a gantry crane 5 is fixedly arranged at one end of the frame platform 2.
In the present embodiment, the frame platform 2 and the gantry crane 5 are pushed together to move on the rail 4 by at least one thruster separately provided. The structural frame 6 is a steel structural frame or a concrete frame for mounting the urea synthesis tower.
When the urea synthesis tower 1 is hoisted into the structural frame 6, the urea synthesis tower 1 needs to be lifted from a horizontal state to a vertical state, according to the embodiment, the frame platform 2 is used for transporting the urea synthesis tower 1 to the bottom of the structural frame 6, and the gantry crane 5 is used for sliding the tail during hoisting.
The pushing frame platform 2 translates on the rails 4 until the front end of the urea synthesis tower 1 moves to the bottom of the structural frame 6. The top of the structural frame 6 is provided with a lifting device, the lifting device preferably adopts a hydraulic lifter 7, a lifting lug at the front end of the barrel body of the urea synthesizing tower 1 is connected with a steel strand 8 of the lifting device, a lifting lug at the rear end of the barrel body of the urea synthesizing tower 1 is connected with a lifting appliance on the gantry crane 5 through a steel lifting rope 9, the lifting device lifts the urea synthesizing tower 1 upwards, the gantry crane 5 slides the tail, meanwhile, the frame platform 2 continues to move forwards to penetrate through the bottom of the structural frame 6, and the urea synthesizing tower 1 is gradually lifted to a vertical state from a horizontal state (as shown in figure 3). In the vertical state, the steel lifting rope 9 connected with the gantry crane 5 is disconnected, and the urea synthesis tower 1 is lifted to the installation position in the structural frame under the action of the lifting equipment.
In a relatively specific embodiment, as shown in fig. 2, the frame platform 2 comprises a rectangular steel frame 201, and a wood pad 202 is fixed on the top surface of the steel frame 201. Steel frame 201 supports the urea synthetic tower as main load-carrying members, and the quantity of wooden bolster 202 is two or more than two, sets up bearing seat 203 in wooden bolster 202 middle part, and bearing seat 203 middle part is opened has the arc recess that is used for bearing the urea synthetic tower.
In a preferred embodiment, the bottom of the steel frame 201 is provided with a support base 204, and the pulley 3 is mounted at the bottom of the support base 204. As shown in fig. 1, the supporting seats 204 are respectively disposed at two sides of the bottom of the steel frame 201, the supporting seats 204 are made of channel steel, and the pulleys 3 are mounted by pulley brackets fixed at the bottom of the supporting seats 204.
The gantry crane 5 comprises support columns 501 on two sides and an arm beam 502 fixedly connected between the two support columns 501, an electric hoist 503 is mounted on the arm beam 502, and the support columns 501 are fixedly connected with a support base 204 at the bottom of the steel frame 201. The steel frame 201 and the gantry crane 5 are both fixedly connected with the support base 204, so that the steel frame 201 and the gantry crane 5 are connected into a whole and can move synchronously.
When the urea synthesis tower 1 is placed on the frame platform, a locking device is arranged on the pulley in order to prevent the frame platform from moving.
Another exemplary embodiment of the present invention is a urea synthesis tower hoisting device, comprising the above-mentioned mobile support platform and a hydraulic lifter 7 arranged on top of the structural frame 6 for lifting the urea synthesis tower 1. When the urea synthesizing tower 1 is hoisted into the structural frame 6, one or two hydraulic hoists 7 are adopted to hoist the front end of the urea synthesizing tower 1, a gantry crane 5 on a movable supporting platform is used for tail slipping, and the two are matched to complete the hoisting of the urea synthesizing tower 1.
In a preferred embodiment, the hoisting device of the urea synthesis tower comprises two or more rectangular protective frames 10 which are arranged outside the urea synthesis tower and play a role in protecting the urea synthesis tower 1 during transportation and hoisting.
Relatively specifically, as shown in fig. 4, the rectangular protective frame 10 is formed by connecting four unit frames with the same structure through bolts, any one of the unit frames includes a wood frame 1001, an inner side surface of the wood frame 1001 is an arc-shaped surface, and a rubber protective layer 1002 is disposed on the arc-shaped surface. After the urea synthesis tower 1 is installed, each unit frame is removed. The unit frames are connected by bolts, so that the assembly and disassembly of the unit frames are convenient.
The scope of the utility model is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the utility model should be included in the scope of the utility model.
Claims (8)
1. A mobile support platform, its characterized in that: the device comprises a frame platform which can be used for supporting a urea synthesis tower which is horizontally placed, wherein the bottom of the frame platform is provided with pulleys which are matched with a track laid on the ground at the bottom of a structural frame; and one end of the frame platform is fixedly provided with a gantry crane.
2. The mobile support platform of claim 1, wherein: the frame platform comprises a cuboid steel frame, and a wood base plate is fixed on the top surface of the steel frame.
3. The mobile support platform of claim 2, wherein: the steel frame bottom is provided with the supporting seat, the pulley is installed in the supporting seat bottom.
4. The mobile support platform of claim 3, wherein: the gantry crane comprises support columns on two sides and an arm beam fixedly connected between the two support columns, an electric hoist is mounted on the arm beam, and the support columns are fixedly connected with a support seat at the bottom of the steel frame.
5. The mobile support platform of claim 1, 2, 3, or 4, wherein: and a locking device is arranged on the pulley.
6. The utility model provides a urea synthetic tower hoist device which characterized in that: comprising a mobile support platform according to any one of claims 1 to 5 and a hydraulic lifter arranged on top of the structural frame for lifting the urea synthesis tower.
7. The tower crane assembly device for urea synthesis according to claim 6, wherein: comprises two or more rectangular protective frames which are arranged outside the urea synthesis tower.
8. The tower crane assembly device for urea synthesis according to claim 7, wherein: the rectangular protective frame is formed by connecting four unit frames with the same structure through bolts, any one unit frame comprises a wood frame, the inner side face of the wood frame is an arc-shaped face, and a rubber protective layer is arranged on the arc-shaped face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122230388.2U CN215666731U (en) | 2021-09-15 | 2021-09-15 | Remove supporting platform and urea synthetic tower hoist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122230388.2U CN215666731U (en) | 2021-09-15 | 2021-09-15 | Remove supporting platform and urea synthetic tower hoist device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215666731U true CN215666731U (en) | 2022-01-28 |
Family
ID=79963505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122230388.2U Active CN215666731U (en) | 2021-09-15 | 2021-09-15 | Remove supporting platform and urea synthetic tower hoist device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215666731U (en) |
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2021
- 2021-09-15 CN CN202122230388.2U patent/CN215666731U/en active Active
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