CN218063953U - Telescopic joint adjusting tool - Google Patents
Telescopic joint adjusting tool Download PDFInfo
- Publication number
- CN218063953U CN218063953U CN202222598235.8U CN202222598235U CN218063953U CN 218063953 U CN218063953 U CN 218063953U CN 202222598235 U CN202222598235 U CN 202222598235U CN 218063953 U CN218063953 U CN 218063953U
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- supporting beam
- telescopic joint
- longitudinal
- transverse
- short
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses an expansion joint adjusting tool, which comprises a transverse supporting beam (2) and a longitudinal supporting beam (3) which are arranged inside an expansion joint (1), wherein the transverse supporting beam (2) is composed of two short supporting beams, a shaft sleeve (23) is fixedly connected between the two short supporting beams, one end of one short supporting beam is provided with a transverse jack (24), and one end of the other short supporting beam is abutted with the inner wall of the expansion joint (1); one end of the longitudinal supporting beam (3) is provided with a longitudinal jack (31), and the other end of the longitudinal supporting beam (3) penetrates through the shaft sleeve (23) and is abutted against the inner wall of the telescopic joint (1). The utility model has the characteristics of quick adjustment telescopic joint and wrong tooth improve the security of construction operation.
Description
Technical Field
The utility model relates to an appurtenance of hydroelectric set installation, especially a telescopic joint adjustment tool.
Background
The pumped storage power station is used for power grid peak regulation, frequency modulation, phase modulation and emergency standby, stabilizes the cycle and voltage of a power system, and can also improve the efficiency of a medium-temperature power station and a nuclear power station of the system. Currently, china is in the key period of green low-carbon transformation development of new energy, the stability and continuity of wind, light and heat are relatively poor, and the method is a huge challenge for real-time balance and stable operation of a power system after grid connection. The method for accelerating the development of pumped storage is an urgent need for constructing a novel power system mainly based on new energy, and is an important guarantee for supporting the safe and stable operation of the power system and serving the large-scale development of renewable energy.
The expansion joint of the water pumping energy storage unit is arranged behind the main water inlet valve, is used for compensating expansion and contraction after a thrust ring of a water conduit and physical displacement of the main water inlet valve under the action of water thrust, is convenient for overhauling and replacing the working seal of the main water inlet valve and integral hoisting of the main water inlet valve, and is an indispensable part in a water delivery system. The position of the telescopic joint needs to be adjusted in the installation process, so that the staggered teeth of the telescopic joint and the inlet of the volute are ensured to be within an allowable range, otherwise, the sealing gap of the telescopic joint is easy to be uneven or eccentric wear, and the water leakage of a water delivery system is caused. In engineering construction, the sizes of expansion joints are different under the influence of multiple factors such as equipment manufacturers, power station geological conditions, unit capacity and the like, and installation units often adjust the dislocation of the expansion joints in a mode of supporting steel pipes in pipelines or welding L-shaped supports at volute inlet flanges. In the two schemes, the steel pipe has an intersection point in space, so that the radial supporting force cannot be on the same plane, the steel pipe is easy to slide in the force application process of the jack, the operation space in the telescopic joint is small, and once the steel pipe slides, the safety of operators is greatly threatened; the high temperature that the latter produced in welding process can destroy telescopic joint packing and sealing strip, and the security when the welding seam pressure-bearing is not reliable enough simultaneously, has the risk of bursting open suddenly. Therefore, the existing schemes have potential safety hazards and cannot meet the requirements of continuous development of safety and civilized construction in the construction of modern engineering.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an expansion joint adjustment tool. The utility model has the characteristics of the quick adjustment telescopic joint dislocation tooth improves the security of construction operation.
The technical scheme of the utility model: the telescopic joint adjusting tool comprises a transverse supporting beam and a longitudinal supporting beam which are arranged inside a telescopic joint, wherein the transverse supporting beam is composed of two short supporting beams, a shaft sleeve is fixedly connected between the two short supporting beams, one end of one short supporting beam is provided with a transverse jack, and one end of the other short supporting beam is abutted against the inner wall of the telescopic joint; one end of the longitudinal supporting beam is provided with a longitudinal jack, and the other end of the longitudinal supporting beam passes through the shaft sleeve and is abutted against the inner wall of the telescopic joint. During adjustment, the jack and the supporting beam can move, and after the position is determined, the position is fixed by using the pressure of the jack.
In the telescopic joint adjusting tool, the transverse supporting beam and the longitudinal supporting beam are vertically distributed.
In the telescopic joint adjusting tool, the end parts of the transverse supporting beam and the longitudinal supporting beam are respectively welded with a base plate, the edge of each base plate is of a chamfer structure, and the surface of each base plate, which is abutted against the telescopic joint, is provided with anti-skidding lines.
In the telescopic joint adjusting tool, the two short supporting beams are welded with the outer wall surface of the shaft sleeve.
In the telescopic joint adjusting tool, the longitudinal support beam and the shaft sleeve are in clearance fit connection, and an adjusting space is reserved.
In the telescopic joint adjusting tool, the length of the longitudinal supporting beam is smaller than the difference between the inner diameter of the telescopic joint and the original height of the longitudinal jack.
In the telescopic joint adjusting tool, the two short supporting beams are respectively a first short supporting beam connected with the transverse jack and a second short supporting beam abutted to the inner wall of the telescopic joint, the shaft sleeve is located at the central position of the telescopic joint, and the length of the second short supporting beam is the difference between the length of the first short supporting beam and the original height of the transverse jack.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses telescopic joint adjustment instrument has been improved, use through mutually supporting of the horizontal supporting beam of taking the axle sleeve and ordinary vertical supporting beam, when having realized supporting the adjustment operation to the telescopic joint, utilize the spacing messenger of axle sleeve horizontal supporting beam and vertical supporting beam can carry out the atress at the coplanar, so both guaranteed the power and can radially transmit perpendicularly, make in the adjustment process can be better the accuse operation precision, work efficiency is improved, site operation speed has been accelerated, there is certain inclination in horizontal supporting beam and vertical supporting beam and telescopic joint inner wall simultaneously avoided, the security of operation has been improved, satisfy the requirement in the aspect of the safety civilization construction that constantly improves in the modern engineering construction.
Therefore, the utility model discloses not only possess the function of telescopic joint adjustment, have simultaneously and realize the quick adjustment wrong tooth, improve the security of construction operation, drop into with little low costs, can satisfy the requirement in the aspect of the safety and the civilized construction that constantly improve in the modern engineering construction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figures are: 1. an expansion joint; 2. a transverse support beam; 21. a first short support beam; 22. a second short support beam; 23. a shaft sleeve; 24. a transverse jack; 3. a longitudinal support beam; 31. a longitudinal jack; 4. a backing plate.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example (b):
as shown in fig. 1, the telescopic joint adjusting tool comprises a transverse supporting beam 2 and a longitudinal supporting beam 3 which are arranged inside a telescopic joint 1, wherein the transverse supporting beam 2 is composed of two short supporting beams, a shaft sleeve 23 is fixedly connected between the two short supporting beams, one end of one short supporting beam is provided with a transverse jack 24, and one end of the other short supporting beam is abutted against the inner wall of the telescopic joint 1; one end of the longitudinal support beam 3 is provided with a longitudinal jack 31, and the other end of the longitudinal support beam 3 passes through the shaft sleeve 23 and abuts against the inner wall of the telescopic joint 1. During adjustment, the jack and the supporting beam can move, and after the position is determined, the position is fixed by using the pressure of the jack.
The transverse supporting beams 2 and the longitudinal supporting beams 3 are distributed perpendicular to each other.
The end parts of the transverse supporting beam 2 and the longitudinal supporting beam 3 are both welded with a backing plate 4, the edge of the backing plate 4 is of a chamfer structure, the contact surface of the backing plate 4 and the inner wall of the telescopic joint 1 is polished to a certain radian according to the size of the telescopic joint 1, and anti-skid lines are processed.
Both short support beams are welded to the outer wall surface of the shaft sleeve 23.
The longitudinal supporting beam 3 and the shaft sleeve 23 are in clearance fit connection and can slide up and down, the adjusting distance of the telescopic joint 1 is only several millimeters generally, and the inner diameter of the shaft sleeve 23 is designed to reserve an adjusting space for the transverse supporting beam 2 and the longitudinal supporting beam 3.
The length of the longitudinal support beam 3 is less than the difference between the inner diameter of the telescopic joint 1 and the original height of the longitudinal jack 31. The two short supporting beams are respectively a first short supporting beam 21 connected with a transverse jack 24 and a second short supporting beam 22 abutted to the inner wall of the telescopic joint 1, the shaft sleeve 23 is positioned at the central position of the telescopic joint 1, and the length of the second short supporting beam 22 is the difference between the length of the first short supporting beam 21 and the original height of the transverse jack 24.
In the embodiment, the transverse supporting beam 2 and the longitudinal supporting beam 3 are made of 304 stainless steel materials, the outer diameter is 76mm, the wall thickness is 6mm, different lengths are selected according to the inner diameter of the telescopic joint 1 and the original height of the jack, and the requirements of the whole construction process and follow-up unit maintenance work are met. The sleeve 23 has an outer diameter of 120mm, an inner diameter of 84mm and a height of 160mm. The shim plate 4 is an alloy structural steel with dimensions 100mm x 10mm.
During adjustment, an adjusting tool is installed in the telescopic joint 1, the transverse jack 24 and the longitudinal jack 31 extend out for a proper length, the transverse supporting beam 2 and the longitudinal supporting beam 3 are pushed, and then the adjustment work of the telescopic joint 1 can be completed. Utilize the spacing of axle sleeve 23 to make horizontal supporting beam 2 and vertical supporting beam 3 can carry out the atress at the coplanar, so both guaranteed that power can be in radial perpendicular transmission, make in the adjustment process can be better the accuse operation precision, the work efficiency is improved, the site operation speed has been accelerated, avoided horizontal supporting beam 2 and vertical supporting beam 3 to have certain inclination and slide with telescopic joint 1 inner wall simultaneously, the security of operation has been improved, the requirement in the aspect of the safety civilized construction that constantly improves in the construction of satisfying modern engineering. The transverse support beam 2 and the shaft sleeve 23 are welded, the backing plate 4 and the support beam are welded, and the welding line does not bear tensile stress in the using process, so that the strength of the workpiece is firm and reliable, and the safety is high. The contact surface of the base plate 4 and the inner wall of the telescopic joint 1 is polished to a certain radian according to the size of the telescopic joint 1 and is processed with anti-skid lines, so that the stability in the using process is further improved.
The details of the present invention are not described in the prior art, and therefore, are not specifically described herein.
Claims (7)
1. Telescopic joint adjustment tool, its characterized in that: the telescopic joint comprises a transverse supporting beam (2) and a longitudinal supporting beam (3) which are arranged in a telescopic joint (1), wherein the transverse supporting beam (2) consists of two short supporting beams, a shaft sleeve (23) is fixedly connected between the two short supporting beams, one end of one short supporting beam is provided with a transverse jack (24), and one end of the other short supporting beam is abutted against the inner wall of the telescopic joint (1); one end of the longitudinal supporting beam (3) is provided with a longitudinal jack (31), and the other end of the longitudinal supporting beam (3) penetrates through the shaft sleeve (23) and is abutted against the inner wall of the telescopic joint (1).
2. The telescopic joint adjustment tool of claim 1, wherein: the transverse supporting beams (2) and the longitudinal supporting beams (3) are distributed vertically.
3. The telescopic joint adjustment tool of claim 1, wherein: the end parts of the transverse supporting beam (2) and the longitudinal supporting beam (3) are respectively welded with a backing plate (4), the edge of the backing plate (4) is of a chamfer structure, and anti-skid grains are arranged on the surfaces of the backing plate (4) and the expansion joint (1) in a butt joint mode.
4. The telescopic joint adjustment tool of claim 1, wherein: the two short supporting beams are welded with the outer wall surface of the shaft sleeve (23).
5. The telescopic joint adjustment tool of claim 1, wherein: the longitudinal supporting beam (3) is in clearance fit connection with the shaft sleeve (23), and an adjusting space is reserved.
6. The telescopic joint adjustment tool of claim 1, wherein: the length of the longitudinal support beam (3) is smaller than the difference between the inner diameter of the telescopic joint (1) and the original height of the longitudinal jack (31).
7. The telescopic joint adjustment tool of claim 1, wherein: the two short supporting beams are respectively a first short supporting beam (21) connected with the transverse jack (24) and a second short supporting beam (22) abutted to the inner wall of the telescopic joint (1), the shaft sleeve (23) is located at the central position of the telescopic joint (1), and the length of the second short supporting beam (22) is the difference between the length of the first short supporting beam (21) and the original height of the transverse jack (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222598235.8U CN218063953U (en) | 2022-09-29 | 2022-09-29 | Telescopic joint adjusting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222598235.8U CN218063953U (en) | 2022-09-29 | 2022-09-29 | Telescopic joint adjusting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063953U true CN218063953U (en) | 2022-12-16 |
Family
ID=84410351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222598235.8U Active CN218063953U (en) | 2022-09-29 | 2022-09-29 | Telescopic joint adjusting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063953U (en) |
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2022
- 2022-09-29 CN CN202222598235.8U patent/CN218063953U/en active Active
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