Device for assembling water wall tube panels of boiler
By designing boiler water-cooled wall pipe screen set-up devices with multiple support components and adjustment mechanisms, the problem of insufficient group accuracy and safety in the prior art is solved, and more efficient group and welding quality is achieved, reducing operational risks .
Patent Information
- Application Number
- CN202420796975.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing boiler water-cooled wall pipe screen sets have shortcomings in the accuracy and safety of the set pair, and the structure is fixed and inconvenient for movement, which affects construction efficiency.
A device consisting of multiple support components is designed, each of which consists of a beam, column and adjustment assembly. Adjustment bolts and top-tight bolts are used to achieve accurate alignment and stable support of the water-cooled wall pipe screen, and is installed at the bottom of the column. Universal wheel with self-locking mechanism for easy movement.
It improves the accuracy and quality of the group pair, reduces the risks of operators in small spaces, enhances the stability and convenience of the overall structure, and improves construction efficiency.
Smart Images
Figure CN222297896U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a boiler water-cooled wall tube panel assembly device, belonging to the technical field of boiler water-cooled wall tube panel assembly. Background Art
[0002] With the vigorous development of the petrochemical industry, steam boilers designed and installed with membrane water-cooled walls have become the preferred products for domestic thermal power and petrochemical devices. Replacing ordinary water-cooled wall (masonry furnace wall) boilers is the development trend of steam boiler installation. As a key part of steam boilers, membrane water-cooled wall tube panels have high assembly quality requirements, assembly gaps, and overall straightness accuracy requirements, which brings great difficulty to construction. Therefore, in the process of assembling boiler water-cooled wall tube panels, special tooling is often required for assembly.
[0003] In the prior art, the conventional method for pairing boiler water-cooled wall tube panels is to make a set of steel structure gantry on site, place the water-cooled wall tube panels on the gantry, and pair them through manual dynamic adjustment. However, this method has the following disadvantages: when personnel manually adjust, the pairing accuracy cannot meet the requirements, and there are unsafe factors; the space between the tube bundles of the water-cooled wall tube panels is small, and there is a risk of pinching personnel; the overall structure is fixed and not easy to move, which affects the pairing efficiency. Therefore, it needs to be improved to better meet the use requirements. Utility Model Content
[0004] The utility model aims to provide a boiler water-cooled wall tube panel assembling device which can improve the assembly accuracy and quality in view of the problems existing in the current fixed assembling device used for boiler water-cooled walls.
[0005] The utility model adopts the following technical scheme: a boiler water-cooled wall tube panel assembly device, comprising at least two support assemblies, each support assembly is arranged in parallel and at intervals, each support assembly comprises a horizontally arranged crossbeam and a column vertically fixed at the bottom of the crossbeam, the upper surfaces of the crossbeams of each crossbeam support assembly are on the same horizontal plane and are arranged in parallel, the crossbeams are for the water-cooled wall tube panels to be assembled to be placed on, both ends of the crossbeams are respectively provided with assembly jigs, each assembly jig comprises a connecting piece and a horizontally arranged jacking bolt, the connecting piece is fixedly connected to the end of the crossbeam and has an interval with the water-cooled wall tube panel, the connecting piece is provided with a threaded hole for the jacking bolt to pass through, the axis of the jacking bolt is the same as the extension direction of the crossbeam, and the screw of the jacking bolt faces the water-cooled wall tube panel; an adjustment assembly is provided on one side of each crossbeam, the adjustment assembly comprises a connecting plate and a vertically arranged adjustment bolt, the connecting plate is fixedly connected to the side of the crossbeam and is the same as the extension direction of the crossbeam, the connecting plate is provided with threaded holes for the adjustment bolt to pass through, the screw of the adjustment bolt faces upward and the nut faces downward.
[0006] A supporting bottom plate is arranged at the bottom of the column, and walking wheels are arranged on the bottom surface of the supporting bottom plate.
[0007] The traveling wheel is a universal wheel with a self-locking mechanism.
[0008] An oblique brace is connected between the column and the supporting bottom plate, and there are two oblique braces, which are symmetrically arranged on both sides of the column.
[0009] The diagonal brace is made of angle steel and is welded between the column and the supporting base plate. There is an angle of 45° between the diagonal brace and the column.
[0010] The connecting plate is welded to the side surface of the cross beam, and the upper surface of the connecting plate is flush with the upper surface of the cross beam.
[0011] The connecting piece adopts an L-shaped structure, and the connecting piece of the L-shaped structure has a horizontal end and a vertical end. The horizontal end of the connecting piece is welded to the end of the crossbeam, and the tightening bolt passes through the vertical end of the connecting piece.
[0012] The columns and beams are both made of H-shaped steel.
[0013] The adjusting bolt adopts a full-thread single-head bolt.
[0014] The beneficial effects of the utility model are as follows: when the utility model is used, the water-cooled wall tube panel is supported by the crossbeams of multiple groups of support components, and the adjusting bolts of the adjusting components are adjusted up and down to make each corresponding tube bundle in the two groups of water-cooled wall tube panels in the same horizontal position, and ensure concentricity to meet the assembly gap requirements; then the water-cooled wall tube panel is tightened by the tightening bolts in the assembly jig, and then the welding operation begins. The utility model has a reasonable design, a simple structure, and is easy to use. It can be easily installed in the boiler water-cooled wall tube panel to be assembled, and the water-cooled wall tube panel is evenly and symmetrically distributed on the crossbeam. By adjusting multiple adjusting bolts, the height position of each pipeline can be guaranteed to be horizontal, thereby effectively improving the effect of the tube panel assembly and improving the overall straightness of the tube panel. Moreover, it can also reduce the operating time of operators staying in the narrow tube bundle and reduce safety risks.
[0015] Preferably, the bottom support of the column by the support base plate is more stable, and walking wheels are arranged at the bottom of the support to make the support assembly easy to move and convenient to use.
[0016] Preferably, a diagonal brace is provided between the support base plate and the column to make the overall structure of the support assembly more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a plan view of a boiler water-cooled wall tube panel assembly device according to an embodiment of the utility model;
[0018] Figure 2yes Figure 1 AA section view;
[0019] Figure 3 yes Figure 2 Side view of the center support assembly.
[0020] In the figure: 1-crossbeam, 2-column, 3-assembly jig, 3.1-connecting piece, 3.2-tightening bolt, 4-adjusting assembly, 4.1-connecting plate, 4.2-adjusting bolt, 5-supporting bottom plate, 6-traveling wheel, 7-diagonal brace, 8-water-cooled wall tube panel, 8.1-weld. DETAILED DESCRIPTION
[0021] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.
[0022] like Figures 1 to 3 As shown, the boiler water-cooled wall tube panel assembly device of this embodiment includes at least two support assemblies, each of which is arranged in parallel and spaced apart, each of which includes a horizontally arranged crossbeam 1 and a column 2 vertically fixed to the bottom of the crossbeam 1, the upper surfaces of the crossbeams 1 of each crossbeam support assembly are on the same horizontal plane and are arranged in parallel, the crossbeams 1 are for the water-cooled wall tube panels 8 to be assembled to be placed on, and assembly jigs 3 are respectively provided at both ends of the crossbeam 1, each assembly jig 3 includes a connecting piece 3.1 and a horizontally arranged tightening bolt 3.2, the connecting piece 3.1 is fixedly connected to the end of the crossbeam 1 and has a space between the water-cooled wall tube panel 8 There is an interval, and the connecting piece 3.1 is provided with a threaded hole for the tightening bolt to pass through, the axis of the tightening bolt 3.2 is in the same direction as the extension of the beam 1, and the screw of the tightening bolt 3.2 faces the water-cooled wall tube panel 8; an adjustment component 4 is provided on one side of each beam 1, and the adjustment component 4 includes a connecting plate 4.1 and a vertically arranged adjusting bolt 4.2, the connecting plate 4.1 is fixedly connected to the side of the beam 1 and is in the same direction as the extension of the beam 1, and the connecting plate 4.1 is provided with threaded holes for the adjusting bolt 4.2 to pass through, the screw of the adjusting bolt 4.2 faces upward and the nut faces downward, and the adjusting bolt 4.2 adopts a full-thread single-head bolt.
[0023] The connecting plate 4.1 is welded to the side of the beam 1, and the upper surface of the connecting plate 4.1 is flush with the upper surface of the beam 1. The connecting piece 3.1 adopts an L-shaped structure, and the connecting piece 3.1 of the L-shaped structure has a horizontal end and a vertical end. The horizontal end of the connecting piece 3.1 is welded to the end of the beam 1, and the tightening bolt 3.2 passes through the vertical end of the connecting piece 3.1.
[0024] The columns 2 and the crossbeam 1 are both made of H-shaped steel. A support base plate 5 is provided at the bottom of the column 2, and a travel wheel 6 is installed on the bottom surface of the support base plate 5. The travel wheel 6 adopts a universal wheel with a self-locking mechanism. A diagonal brace 7 is connected between the column 1 and the support base plate 5. There are two diagonal braces 7, and the two diagonal braces 7 are symmetrically arranged on both sides of the column 1. The diagonal brace 7 is made of angle steel and welded between the column 1 and the support base plate 5. There is a 45° angle between the diagonal brace 7 and the column 1.
[0025] The crossbeam is a linear structure with open ends, and the column is also a linear structure, with a size comparable to that of the crossbeam. The crossbeam and the column are fully welded; the upper end of the diagonal brace is welded to the middle of the column, and the diagonal brace and the column are fully welded. A universal wheel is installed on each side of the bottom surface of the base plate to keep the entire device balanced and stable.
[0026] In this embodiment, the cross beam 1 and the column 2 are both made of 100 mm thick H-shaped steel. The column 2 is perpendicular to the cross beam 1 and is welded with a diagonal brace 7. The diagonal brace 7 is about 1500 mm long and made of 80 angle steel and welded between the column 2 and the supporting bottom plate 5. The supporting bottom plate is made of a carbon steel plate with a length of 800 mm, a width of 500 mm and a thickness of 20 mm. The specification of the universal wheel is Φ100. The connecting plate 4.1 of the adjusting assembly 4 is made of a carbon steel plate with a thickness of 20 mm and a fully threaded single-head bolt with a length of 150 mm.
[0027] The use process of the boiler water-cooled wall tube panel assembly device of this embodiment is as follows:
[0028] Place multiple groups of support components on a horizontal ground (hardened ground or steel plate) to ensure the horizontality of the support beam. Then, place the two groups of water-cooled wall tube panels to be paired on the support components to ensure stability. The beam supports the water-cooled wall tube panels. By adjusting the adjustment bolts of the adjustment components up and down, each corresponding tube bundle in the two groups of water-cooled wall tube panels is in the same horizontal position, and ensure concentricity to meet the pairing gap requirements; then use the tightening bolts in the pairing jig to tighten the water-cooled wall tube panels, and then start welding. The use of the utility model can create favorable conditions for improving welding quality, and at the same time, it can reduce the working time of personnel and reduce safety risks. The utility model has a simple structure and can improve the pairing accuracy and quality by dynamically adjusting the bolts when pairing the tube panels.
[0029] The parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. The above embodiments and descriptions are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected.
Claims
1. A boiler water wall tube panel assembly device, characterized in that: It comprises at least two supporting assemblies, each of which is arranged in parallel and at intervals, each of which comprises a horizontally arranged crossbeam and a column vertically fixed at the bottom of the crossbeam, the upper surfaces of the crossbeams of each crossbeam supporting assembly are on the same horizontal plane and are arranged in parallel, the crossbeams are for the water-cooled wall tube panels to be assembled to be placed on, and assembly jigs are respectively arranged at both ends of the crossbeams, each assembly jig comprises a connecting piece and a horizontally arranged tightening bolt, the connecting piece is fixedly connected to the end of the crossbeam and has a spacing between it and the water-cooled wall tube panel, the connecting piece is provided with a threaded hole for the tightening bolt to pass through, the axis of the tightening bolt is the same as the extension direction of the crossbeam, and the screw of the tightening bolt faces the water-cooled wall tube panel; an adjusting assembly is provided on one side of each crossbeam, the adjusting assembly comprises a connecting plate and a vertically arranged adjusting bolt, the connecting plate is fixedly connected to the side of the crossbeam and is the same as the extension direction of the crossbeam, the connecting plate is provided with threaded holes for the adjusting bolts to pass through, the screw of the adjusting bolt faces upward and the nut faces downward.
2. The boiler water-cooled wall tube panel assembly device according to claim 1, characterized in that: A supporting bottom plate is arranged at the bottom of the column, and walking wheels are arranged on the bottom surface of the supporting bottom plate.
3. The boiler water wall tube panel assembly device according to claim 2, characterized in that: The traveling wheel is a universal wheel with a self-locking mechanism.
4. The boiler water wall tube panel assembly device according to claim 2, characterized in that: An oblique brace is connected between the column and the supporting bottom plate, and there are two oblique braces, which are symmetrically arranged on both sides of the column.
5. The boiler water wall tube panel assembly device according to claim 4, characterized in that: The diagonal brace is made of angle steel and is welded between the column and the supporting base plate. There is an angle of 45° between the diagonal brace and the column.
6. The boiler water wall tube panel assembly device according to claim 1, characterized in that: The connecting plate is welded to the side surface of the cross beam, and the upper surface of the connecting plate is flush with the upper surface of the cross beam.
7. The boiler water-cooled wall tube panel assembly device according to claim 1, characterized in that: The connecting piece adopts an L-shaped structure, and the connecting piece of the L-shaped structure has a horizontal end and a vertical end. The horizontal end of the connecting piece is welded to the end of the crossbeam, and the tightening bolt passes through the vertical end of the connecting piece.
8. The boiler water wall tube panel assembly device according to claim 1, characterized in that: The columns and beams are both made of H-shaped steel.
9. The boiler water wall tube panel assembly device according to claim 1, characterized in that: The adjusting bolt adopts a full-thread single-head bolt.