CN219567489U - Auxiliary device for replacing and adjusting boiler suspender - Google Patents
Auxiliary device for replacing and adjusting boiler suspender Download PDFInfo
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- CN219567489U CN219567489U CN202320583327.0U CN202320583327U CN219567489U CN 219567489 U CN219567489 U CN 219567489U CN 202320583327 U CN202320583327 U CN 202320583327U CN 219567489 U CN219567489 U CN 219567489U
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Abstract
The utility model relates to the field of installation and maintenance of power station boiler suspenders, in particular to an auxiliary device for replacing and adjusting a boiler suspender, which comprises a suspender connector arranged at the top end of the suspender, wherein a hoisting structure is arranged at the outer side of the suspender connector, the connector comprises a hollow fixed ring, the hoisting structure comprises a stand column arranged at the outer side of the fixed ring, a main plate parallel to the fixed ring is arranged at the top end of the stand column, a hanging hole is arranged on the main plate, the central line of the hanging hole coincides with the central line of the fixed ring, the hanging hole can be directly hoisted by using a crane through a structure of a practical main plate and a through hole, and simple operation can be performed on a suspender installation platform through a combined structure of the main plate, an ear plate and a lifter.
Description
Technical Field
The utility model relates to the field of installation and maintenance of power station boiler suspenders, in particular to an auxiliary device for replacing and adjusting a boiler suspender.
Background
When the boiler is installed, the weight of the heating surface of the power station boiler is hung on the top-layer hanging rod beam through the hanging rod, the hanging rod is hung in place after the ground and the hanging rod beam are combined in the installation stage of the boiler steel frame, and after the installation of heating surface equipment is completed, the designed elevation of part of the heating surface is adjusted by adjusting the height of the hanging rod, and the expansion of the heating surface and the running safety condition of a unit are directly determined by the accurate elevation of the heating surface.
Along with the continuous improvement of the capacity and parameters of the power station boiler unit, the weight of the boiler heating surface is gradually increased, the number of hanging device hanging rods is increased, and the load average to each hanging rod is larger and larger. In the installation process of the heating surface, part of the hanging rods need to be replaced due to the manufacturing reasons or the design reasons of the hanging rods, and part of the hanging rods are seriously deformed due to overlarge swinging pairs of the heating surface caused by untimely reinforcement or unreinforced wind-proof measures in the construction process, and the hanging rods need to be processed, corrected or directly replaced after the design errors, the supply errors and the deformed hanging rods are removed under the conditions.
When the boom of the heating surface is adjusted, part of projects adopt traditional pipe tongs or steel plate self-made wrenches, chain dropping hoists, sledgehammers and the like to adjust the boom, and the adjusting mode is easy to cause equipment damage, wastes time and labor and has unstable safety; the part project department adopts self-made adjusting tool, combines into an organic whole with channel-section steel, steel sheet, embolias in the jib, utilizes the jack to mention adjusting tool and drives the jib and prepare the cap and promote the jib, and this kind of adjusting tool is very heavy, is difficult for carrying, and single unable transport, and high altitude construction, and the operation is difficult when screwing the jib and prepare the cap, has the potential safety hazard. When the suspender is dismantled, the general project adopts the method that a part of the backup cap is screwed out to cover the position between the backup cap and the suspender nut, and then the suspender is directly suspended, so that the external thread at the position between the backup cap and the suspender nut is extremely easy to damage, unsafe, and the rope sliding accident or the quality accident is easy to generate, thereby increasing the construction cost.
In view of the problems of complicated boom replacement process, difficult boom hoisting, troublesome tool moving and the like in the existing boom construction process, the utility model provides a power station boiler heating surface boom replacement and adjustment device for accelerating the boom adjustment and replacement speed, ensuring the heating surface elevation adjustment accuracy and avoiding potential safety hazards.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims at: the utility model provides a simple structure, simple manufacture, install and remove swiftly, convenient operation, convenient to carry, safe practical, firm reliable, can enough change damaged heating surface jib, can carry out the adjustment of jib elevation again, solve the power plant boiler heating surface jib change and adjusting device of jib technical problem when changing and adjusting.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an auxiliary device for adjustment is changed to boiler jib, includes the jib connector of installing on the jib top, the jib connector outside is provided with hoisting structure, the connector includes a hollow solid fixed ring, hoisting structure includes the stand that sets up in the outside of solid fixed ring, the top of stand is provided with the mainboard parallel with solid fixed ring, be provided with the hanging hole on the mainboard, the central line of hanging hole coincides with the axis of solid fixed ring.
The auxiliary device for replacing and adjusting the boiler suspender comprises the upright posts symmetrically arranged on two sides of the fixed ring, an operation cavity is formed among the upright posts, the fixed ring and the main board, nuts matched with the top ends of the suspender are arranged in the operation cavity, and the outer diameter of each nut is larger than the inner diameter of the fixed ring.
The auxiliary device for replacing and adjusting the boiler suspender is characterized in that the lug plates parallel to the main plate are arranged on two sides of the main plate, the lower end faces of the lug plates are arranged in parallel with the fixed ring, and the lifter for controlling the main plate to move in the vertical direction of the installation position of the boiler suspender is arranged on the lower end faces of the lug plates.
The auxiliary device for replacing and adjusting the boiler suspender is characterized in that the lifter is provided with two hydraulic jacks, the two hydraulic jacks are respectively arranged on the lug plates on two sides of the main plate, the bottom of each hydraulic jack is provided with a caulking groove matched with the width of each lug plate, and the caulking grooves are in sliding caulking connection with the lug plates.
The auxiliary device for replacing and adjusting the boiler suspender is characterized in that the hollow inner wall of the fixed ring is provided with the internal thread matched with the top end of the suspender, and the fixed ring is connected with the top end of the suspender in a threaded mode.
The auxiliary device for replacing and adjusting the boiler suspender of any one of the above, wherein the main board, the ear board and the upright post are integrally formed.
The auxiliary device for replacing and adjusting the boiler suspender has the beneficial effects that: the auxiliary device for replacing and adjusting the boiler suspender disclosed by the technical scheme has the advantages of simple structure, simplicity in manufacture, rapidness in assembly and disassembly, convenience in operation, convenience in carrying, safety, practicability, firmness and reliability, equipment protection, construction efficiency improvement, construction process acceleration, capability of replacing a damaged heating surface suspender and adjusting the elevation of the suspender, and capability of solving the technical problem of replacing and adjusting the suspender; through the structure of the practical main board and the through hole, the lifting machine can be used for directly lifting, through the combined structure of the main board, the lug plate and the lifter, simple operation can be carried out on the lifting rod mounting platform, and the lifting device between the lifting rod mounting platform and the lifting structure is directly utilized to fulfill the aim of lifting the lifting rod, so that the problem of height adjustment of the lifting rod is solved; the fixing ring can be directly matched with a threaded structure at the top end of the suspender, and nuts matched with the suspender can be used for auxiliary fixing aiming at suspenders with different diameters to finish construction tasks; by providing lifters on both sides, it is possible to ensure that the boom moves in the vertical direction, preventing the boom from tilting during operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a combined structure of the present utility model and a boom;
fig. 3 is a schematic view of a hoisting structure according to the present utility model.
Reference numerals illustrate: boom connector 10, fixing ring 101, nut 102, lifting structure 20, upright 201, main plate 202, lifting hole 203, operation cavity 204, ear plate 205, lifter 206, through hole 207, connection rope 208, boom 30, and boom mounting position 40.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the technical scheme of the present utility model will be described below with reference to the detailed description and the accompanying drawings.
1-3, an auxiliary device for replacement adjustment of a boiler boom includes a boom connector 10 mounted at the top end of a boom 30, the boom connector including a hollow stationary ring 101, a nut 102 disposed over the stationary ring, the nut having an outer diameter greater than an inner diameter of the stationary ring. The connector can also directly use the fixed ring that has the internal screw thread, no matter be the nut, the internal screw thread of fixed ring, the helicitic texture all matches with the helicitic texture on jib top, uses the structure of fixed ring and nut combination, the jib connector adaptation of being convenient for different diameters to increase jib connector's adaptability.
The outer side of the suspender connector is provided with a hoisting structure 20, the hoisting structure comprises a stand column 201 arranged at the outer side of a fixed ring, the top end of the stand column is provided with a main plate 202 parallel to the fixed ring, the main plate is provided with a hanging hole 203, the central line of the hanging hole coincides with the central axis of the fixed ring, the fixed ring is connected with the stand column in a welding mode, the main plate is processed by adopting a steel plate with the thickness of 20mm, the stand column is made of the same steel plate as the main plate, and the diameter of the hanging hole is set between 22mm and 30mm; the distance between the center of the hanging hole and the upper part of the main board is 50mm; the hanging hole is matched with a 3.25t standard bow shackle, so that the hanging structure is convenient to be directly hung through the hanging hole.
The stand symmetry welding sets up in solid fixed ring both sides, constitutes an operation chamber 204 between stand, solid fixed ring, the mainboard, and the nut is placed in the operation chamber.
Furthermore, when the hanger rod needs to be finely tuned, the hanger is relatively complicated to hoist and difficult to operate, so the utility model also provides a hoisting structure which is convenient for finely tuning the hanger rod by using the scheme.
On the basis of the lifting structure, the lug plates 205 parallel to the main plate are arranged on two sides of the main plate, the lug plates are symmetrically arranged on two sides of the main plate, the lower end faces of the lug plates are arranged in parallel with the fixing rings, lifters 206 for controlling the main plate to move in the vertical direction of the boiler lifting rod installation position 40 are arranged on the lower end faces of the lug plates, when the lifters are used, the fixed ends of the lifters are connected with the lug plates, the parts with lifting rods move towards the lifting rod installation position, when the lifters are connected, lifting rod grooves are formed in the lug plates, protrusions matched with the lifting rod grooves are arranged on the fixed ends of the lifters, and the protrusions are nested in the lifting rod grooves. The lifter can use a screw lifter or a lifter with a pneumatic pump rod and hydraulic pump rod structure, and specifically takes a lifting structure as a reference.
According to the utility model, the lifter uses the hydraulic jack, two hydraulic jacks are arranged on the lug plates on two sides of the main board respectively, the bottom of the hydraulic jack is provided with the caulking groove matched with the width of the lug plates, and the caulking groove is in sliding caulking on the lug plates.
Further, in order to strengthen the fastness of hoisting structure, mainboard, otic placode, stand integrated into one piece.
Further, in order to increase the safety of this device in the use, prevent that auxiliary device from coming off from the loop wheel machine, be provided with through-hole 207 in the side of mainboard, install connecting rope 208 in the through-hole, connecting rope is connected with the lifting hook of loop wheel machine.
When the lifting rod adjusting device is used, in the lifting rod adjusting process, the lifting rod of the auxiliary device is replaced and adjusted through the fixed ring, the nut is screwed on the lifting rod, or the lifting rod is directly fixed on the internal threads of the fixed ring, the hydraulic jack is placed below the lug plates on two sides of the main board, the lifting structure height is adjusted up and down, the lifting rod nut is rotated to adjust the lifting rod height, the height of the heating surface is further determined, the auxiliary device is directly taken down after the adjustment is completed, the operation and the transportation task can be completed only by configuring one installer, and the investment of manpower and material resources is greatly saved; in the process of replacing the suspender, a fixing nut of the suspender replacing and adjusting device on the heating surface of the power station boiler is sleeved on the suspender, a clamping ring is sleeved in a hanging hole, and the suspender is slowly hung out and hung in by utilizing a tower crane, so that equipment is protected in the process, and potential safety hazards are eliminated.
The above embodiments are only for illustrating the structural concept and features of the present utility model, and are intended to enable those skilled in the art to understand the contents of the present utility model and implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the essence of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. An auxiliary device for boiler boom replacement adjustment, characterized in that: including installing the jib connector on jib top, the jib connector outside is provided with hoisting structure, the connector includes a hollow solid fixed ring, hoisting structure includes the stand that sets up in solid fixed ring's outside, the top of stand is provided with the mainboard parallel with solid fixed ring, be provided with the hanging hole on the mainboard, the central line of hanging hole coincides with gu fixed ring's axis.
2. The auxiliary device for boiler boom replacement adjustment according to claim 1, characterized in that: the upright posts are symmetrically arranged on two sides of the fixed ring, an operation cavity is formed among the upright posts, the fixed ring and the main board, nuts matched with the top ends of the suspenders are arranged in the operation cavity, and the outer diameter of each nut is larger than the inner diameter of the fixed ring.
3. Auxiliary device for boiler boom replacement adjustment according to claim 2, characterized in that: the utility model discloses a boiler suspender, including main board, fixed ring, mainboard both sides are provided with the otic placode that is parallel with the mainboard, the lower terminal surface and the fixed ring parallel arrangement of otic placode, be provided with the riser that is used for controlling the mainboard and removes in the vertical direction of boiler suspender mounted position on the lower terminal surface of otic placode.
4. An auxiliary device for boiler boom replacement adjustment according to claim 3, characterized in that: the lifter uses hydraulic jack, hydraulic jack is provided with two, sets up respectively on the otic placode of mainboard both sides, hydraulic jack's bottom is provided with the caulking groove that matches with the width of otic placode, the caulking groove slides the scarf joint on the otic placode.
5. The auxiliary device for boiler boom replacement adjustment according to claim 1, characterized in that: the hollow inner wall of the fixed ring is provided with internal threads matched with the top end of the suspender, and the fixed ring is connected with the top end of the suspender in a threaded mode.
6. Auxiliary device for boiler boom replacement adjustment according to any of claims 1-5, characterized in that: and the main board and the stand column are integrally formed.
7. Auxiliary device for boiler boom replacement adjustment according to any of claims 3 or 4, characterized in that: the lug plate is integrally formed with the main board and the stand column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320583327.0U CN219567489U (en) | 2023-03-23 | 2023-03-23 | Auxiliary device for replacing and adjusting boiler suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320583327.0U CN219567489U (en) | 2023-03-23 | 2023-03-23 | Auxiliary device for replacing and adjusting boiler suspender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219567489U true CN219567489U (en) | 2023-08-22 |
Family
ID=87660592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320583327.0U Active CN219567489U (en) | 2023-03-23 | 2023-03-23 | Auxiliary device for replacing and adjusting boiler suspender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219567489U (en) |
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2023
- 2023-03-23 CN CN202320583327.0U patent/CN219567489U/en active Active
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