CN210430668U - Special tool for installing booster station of wind power and photovoltaic power generation system - Google Patents
Special tool for installing booster station of wind power and photovoltaic power generation system Download PDFInfo
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- CN210430668U CN210430668U CN201921549229.5U CN201921549229U CN210430668U CN 210430668 U CN210430668 U CN 210430668U CN 201921549229 U CN201921549229 U CN 201921549229U CN 210430668 U CN210430668 U CN 210430668U
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- dovetail groove
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Abstract
A special tool for installing a booster station of a wind power and photovoltaic power generation system comprises a static binding clip, a movable binding clip, a screw rod, a reduction gear, a direct current motor and a handle; a dovetail groove is arranged on a butt joint surface between the static tong head and the movable tong head; the flange pressing die is characterized by further comprising a flange pressing die and a flange separating die, wherein a convex block matched with the dovetail groove in shape is arranged on one side of the flange pressing die; a convex block matched with the dovetail groove in shape is arranged on one side of the flange separation die, and a triangular separation pin is arranged at one end of the flange separation die. The utility model has the advantages that: when in butt joint interval, the utility model is utilized to press two flanges with the butt joint interval, so that the contacts are accurately in butt joint, the rapidness, the accuracy and the reliability of the butt joint of the flanges are ensured, the damage to equipment during the butt joint is eliminated, and the installation precision and the equipment safety are improved; the utility model discloses still be provided with flange separation function, the quick separation of flange when the interval of being convenient for is dismantled causes the damage to the equipment contact when avoiding the flange separation.
Description
Technical Field
The utility model relates to an electric power and metallurgical system transformer substation construction technology especially relates to a wind-powered electricity generation and photovoltaic power generation system booster station installation specialized tool.
Background
With the development of science and technology, wind power and photovoltaic power generation are gradually popularized, a plurality of improved or newly-built booster stations eliminate the original AIS (open type) structure, the capacity of a transformer is improved, the original construction method cannot meet the requirement of modern power development, and the installation method of the booster transformer and the GIS is a new technology which must be mastered in the modern power installation industry.
In large-scale transformer substations of 220KV/66KV, 110KV/66KV or 66KV/10KV and the like, along with the capacity increase of a booster station, the transformer installation is gradually replaced by the past crane or manual hydraulic installation and the electric hydraulic installation, and the GIS is also applied by the first foreign countries and is gradually and widely popularized in the domestic booster station system. For a construction unit, a new subject is brought, a GIS installation method and a GIS installation standard are not specified in China, standards of various production and manufacturing enterprises are different, and difficulty is increased for the construction enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind-powered electricity generation and photovoltaic power generation system booster station installation specialized tool is applied to the installation construction of wind-powered electricity generation and photovoltaic power generation system booster station, improves installation accuracy and equipment safety, has guaranteed rapidity, accuracy, the reliability of flange butt joint and dismantlement, has eliminated the damage to equipment when butt joint and dismantlement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a special tool for installing a booster station of a wind power and photovoltaic power generation system comprises a static binding clip, a movable binding clip, a screw rod, a reduction gear, a direct current motor and a handle; a dovetail groove is arranged on a butt joint surface between the static tong head and the movable tong head; the flange pressing die is characterized by further comprising a flange pressing die and a flange separating die, wherein a convex block matched with the dovetail groove in shape is arranged on one side of the flange pressing die; and a convex block matched with the dovetail groove in shape is arranged on one side of the flange separation mould, and a triangular separation pin is arranged at one end of the flange separation mould.
The cable cutting die is characterized by further comprising a cable cutting die, wherein a convex block matched with the dovetail groove in shape is arranged on one side of the cable cutting die, a cutting edge is arranged on the other side of the cable cutting die, and a circular arc-shaped groove is formed in the cutting edge.
Still include cable head crimping mould, one side of cable head crimping mould is the lug that matches with the dovetail shape, and the opposite side is equipped with cable head crimping opening.
Compared with the prior art, the beneficial effects of the utility model are that:
1) when in butt joint interval, the flange is pressed between two butt joint intervals by adopting a mode that one side is fixed at an interval and the other side is suspended at an interval and is guided in by using the guide pin, and the utility model is reused, so that the contact is accurately butted, the rapidness, the accuracy and the reliability of the butt joint of the flanges are ensured, the damage to equipment during the butt joint is eliminated, and the installation precision and the equipment safety are improved;
2) the utility model is also provided with a flange separation function, which is convenient for the rapid separation of the flanges during the interval disassembly and avoids the damage to the equipment contact when the flanges are separated; the utility model discloses still set up and still be equipped with cable shearing function and cable head crimping function, can be arranged in the multi-functional use of other electrical construction.
Drawings
FIG. 1 is a view showing the installation and positioning of the head of the present invention;
fig. 2 is a diagram of the measurement of the insertion depth of the contact when the flanges are butted according to the present invention;
FIG. 3 is a diagram of the center of gravity balance hoisting when the combined electrical apparatus is butted;
FIG. 4 is a schematic structural view of the multi-functional pliers of the present invention;
fig. 5 is a schematic view of a dovetail groove of the binding clip.
Fig. 6 is a top view of the flange compression mold.
Fig. 7 is a side view of a flange compression mold.
Fig. 8 is a top view of the flange separation mold.
Fig. 9 is a side view of the flange separation mold.
Fig. 10 is a top view of a cable cutting die.
Fig. 11 is a side view of a cable shearing die.
Fig. 12 is a plan view of the cable crimping die.
Fig. 13 is a side view of the cable crimping die.
Fig. 14 is a two-phase speed control circuit diagram of the direct current motor.
In the figure: 1-static binding clip, 2-dynamic binding clip, 3-screw rod, 4-reduction gear, 5-DC motor, 6-storage battery, 7-crimping opening, 8-handle, 9-lifting rope, 10-manual hoist, 11-conductor, 12-contact seat, 13-shell flange, 14-dovetail groove, 15-lug, 16-separating pin, 17-shearing blade, 18-arc groove, 19-bidirectional potentiometer, 20-potentiometer button rotating shaft, 21-jaw closing limit switch, 22-jaw opening limit switch, 23-closing direction control speed regulation button and 24-opening direction rotation control speed regulation button.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
referring to fig. 1-13, a method for installing a booster station GIS of a wind power and photovoltaic power generation system includes the following steps:
1) firstly installing a GIS foundation, wherein the ground bearing capacity of the installed GIS foundation is not less than 10t, and the method for adjusting the height of the foundation comprises the following steps:
a) finding out the highest point of the metal embedded part according to the actually measured basic height of each interval, marking the highest point as L, adjusting the height of the first interval installation base by using a gasket, marking the adjusted highest point as L ', and adjusting the height of the first interval base within the range of L' ═ L + (5-10) mm;
b) calculating the height difference between the upper end surfaces of other embedded parts in the foundation and the height difference by taking the actual height of the highest point of the first interval foundation metal embedded part after adjustment as a reference;
c) adjusting the heights of other basic embedded parts through gaskets, and controlling the heights of other basic embedded parts within the range of L' - (1-2) mm;
d) the number of the gaskets on each foundation is not more than 3 at most;
2) calculating the insertion depth of the contact: hermeticity is critical for GIS insulation, and SF6 gas leakage can cause a fatal failure of the GIS. The leak tightness check should therefore be performed throughout the entire manufacturing and installation. The sealing effect mainly depends on the welding quality of the tank body, and the sealing performance can be detected through the conditions of manufacturing, mounting and adjusting of the sealing ring through local and overall pressing active testing and SF6 gas leak detector passive testing. Additionally, confirming the depth of insertion of the conductor into the contact block is also a measure to aid in detecting the seal. The insertion depth of the three-phase conductor is required, the allowance after insertion is not less than 5mm, and the size of the residual gap after insertion is not less than 5 mm; as shown in fig. 2, a distance L from the end surface of the conductor 11 to the end surface of the shell flange 13 on the same side, a distance R from the end surface of the contact block 12 to the end surface of the shell flange 13 on the same side, and a depth R1 of the contact block 12 are measured, and the insertion depth of the conductor 11 and the contact block 12 is calculated by the following calculation methods: the residual amount after insertion is (R-L) mm, and the residual gap size after insertion is [ R1- (R-L) ] mm;
3) the insertion depth of the contact meets the design requirement, the hoisting assembly among the intervals is started, in order to reduce the accumulated installation error, the bus-bar interval is selected as the first interval of installation, and the installation is started towards two sides after the bus-bar interval is installed;
the specific operation steps are as follows: a. hoisting the bus coupler interval, and falling the interval on the basis according to the marked central line (the central line of the main bus and the central line of the interval); b. and adjusting the position of the interval, and keeping the interval horizontal. c. The spacing center is aligned with the bus center line and the spacing center line. Namely, the deviation between the spacing center in the X direction and the basic center is not more than 3mm, and the allowable accumulated deviation of the whole transformer substation is less than 20 mm; deviation between the Y direction and the basic center is not more than 10 mm; the difference of the height difference between every two adjacent main bus bars is not more than 1mm, and the deviation of the vertical plane of the whole engineering main bus bar from the central line (Z direction) of the main bus bar is less than 5 mm. d. The level and position of the lead spacing determines the theoretical axis of the overall GIS arrangement and therefore adjustment by reducing the number of shims on a base is not recommended when the lead spacing is adjusted horizontally.
(see FIG. 1).
4) The assembly method between the intervals is as follows: firstly, the bus-bars are hoisted and installed on a foundation at intervals (the bus-bars interval is an interval of the middle position), and then other intervals are sequentially installed towards two sides respectively by taking the bus-bars interval as a reference. During installation, corresponding intervals are hoisted to an installation position (as shown in figure 3) through a crane, so that the shell flanges are opposite to the shell flange positions of the bus coupler intervals, the shell flanges are inserted into butt joint bolt holes of the two shell flanges through guide pins, the two shell flanges are positioned, then the two shell flanges are pushed to be close to each other through the multifunctional pliers, the two shell flanges are accurately butted, the side intervals are fixed on the basis, and the rest intervals are arranged on two sides of the bus coupler intervals in a analogizing mode.
When the shell is disassembled, the connection between one interval and the foundation is disassembled, the shell is slightly lifted by a crane, the flange separating mould is arranged on the multifunctional pincers, two or more multifunctional pincers are uniformly distributed in the circumferential direction of the flange, and the two shell flanges are peeled off by the flange separating mould.
The hoisting equipment adopts two types of bridge cranes or truck cranes. The load capacity of all hoisting equipment is selected according to the weight of hoisted objects, the load capacity of the bridge crane is not less than 5t, and the load capacity of the truck crane is determined according to the hoisting distance and needs a certain allowance. The bridge crane requires the lifting height to be more than 4.5 meters, the truck crane is determined according to the outdoor space, a 25-ton crane is generally selected to be suitable when the distance is slightly far away, no matter which lifting mode is adopted, the included angle of a lifting belt is not more than 75 degrees, the equipment gradient is less than 5 degrees, the bearing capacity of a lifting rope is more than 1.5 times of the weight of a product, and a flexible lifting belt is selected.
And measuring the contact resistance of each contact surface of the primary grounding loop by adopting a multipoint grounding mode, and connecting and grounding two sides of each flange connection part of the GIS by using jumper wires. The resistance value is required to be not more than 0.5 μ Ω (excluding the flange face).
A multifunctional clamp (see figure 4) used in an installation method of a wind power and photovoltaic power generation system booster station GIS comprises a static clamp head 1, a movable clamp head 2, a screw rod 3, a reduction gear 4, a direct current motor 5 and a handle 8; a dovetail groove 14 is arranged on the butt joint surface between the static tong head 1 and the movable tong head 2; the flange pressing die is characterized by further comprising a flange pressing die and a flange separating die, wherein a bump 15 matched with the dovetail groove 14 in shape is arranged on one side of the flange pressing die; and a lug 15 matched with the dovetail groove 14 in shape is arranged on one side of the flange separation mould, and a triangular separation pin 16 is arranged at one end of the flange separation mould.
The fixed tong head 1 is fixed at one end of the tong frame, the movable tong head 2 slides on the tong frame, the other side of the movable tong head 2 is connected with the screw rod 3, the reduction gear 4 is connected with the screw rod 3 through threads, a gear is fixed on an output shaft of the direct current motor 5, and the gear on the direct current motor 5 is meshed with the reduction gear 4 to drive the reduction gear 4 to rotate. The handle 8 is a hand-held position during operation and has an anti-slip finger socket thereon. A storage battery is also arranged on the handle 8 to provide power for the direct current motor 5. Both jaws have dovetail slots 14 (shown in fig. 5) for mounting dies, and various dies can be mounted to the jaws via the dovetail slots 14. The dc motor 5 can be speed-controlled by positive and negative rotation, as shown in fig. 14, the dc motor 5 is configured with a dc motor driver, the difference between two input ends controls the rotation direction and the rotation speed of the dc motor 5, the larger the difference is, the faster the speed is, the difference is 0, the stop is performed, the difference is positive rotation, and the negative the difference is, the reverse rotation is performed. When the device is used, the closing direction control speed regulating button 23 is pressed to drive the two-phase potentiometer 19 to rotate, positive and negative given voltage is output from the end b of the potentiometer 19 to control the rotating direction and speed of the direct current motor D, the more the button is pressed down, the faster the rotating speed is, when the jaw is closed in place, the jaw closing limit switch 21 is opened to stop closing movement, and when the jaw is opened in place, the jaw opening limit switch 22 is opened to stop opening movement.
In the process of flange butt joint, a flange press-fit die (shown in figure 6 and figure 7) is firstly installed in a dovetail groove 14 of a tong head, a static tong head 1 and a moving tong head 2 are clamped on the outer side of a shell flange 13, 2 multifunctional tongs can be symmetrically arranged in the circumferential direction of the shell flange 13, then a direct current motor 5 is operated in the forward direction, the moving tong head 2 moves towards the static tong head 1, the two shell flanges are pushed to be close to each other, and finally the purpose of accurate butt joint is achieved, so that the accurate insertion of a contact of a conductor 11 is ensured. The pressing die can also be used for pressing and manufacturing in other electrical construction.
The flange separation mould (as shown in fig. 8 and fig. 9) is firstly installed in a dovetail groove 14 of a binding clip, two tip ends of the flange separation mould are inserted into a gap at the joint of two flange plates in the process of flange disassembly, 2 multifunctional pincers can be symmetrically arranged in the circumferential direction of a shell flange 13, then a direct current motor 5 is operated reversely, a movable binding clip 2 moves towards the opposite direction of a fixed binding clip 1, and the tip ends of the binding clip are gradually inserted along with the increase of the gap in the moving process to gradually separate the two flange plates, so that the aim of safely pulling out a GIS contact is finally achieved. The separating die can also be used for separating other devices in electrical construction.
The cable cutting die further comprises a cable cutting die (see fig. 10 and 11), a convex block 15 matched with the dovetail groove 14 in shape is arranged on one side of the cable cutting die, a cutting edge 17 is arranged on the other side of the cable cutting die, and a circular arc-shaped groove 18 is formed in the cutting edge 17. The positions of the circular arc-shaped grooves 18 of the two cable shearing dies are staggered by a certain distance.
In the flange dismounting process, if the cable needs to be cut off, the cable can be cut off by using a cable cutting die. Firstly, a cable cutting die is arranged in dovetail grooves 14 of two pliers heads, then a cable to be cut is placed in a circular arc-shaped groove 18 of the cable cutting die, a sharp cutting edge is arranged at the circular arc-shaped groove 18, the direct current motor 5 is operated in the positive direction, the pliers heads are gradually closed, and the cable is cut. The cable shearing die can also be used for shearing and manufacturing in other electrical construction.
Still include cable head crimping mould (piece fig. 12, fig. 13), one side of cable head crimping mould is the lug 15 that matches with dovetail 14 shape, and the opposite side is equipped with and cable head crimping opening 7. The two crimping notches 7 are combined together to form a regular hexagon.
In the cable copper head manufacturing process, the cable head crimping die can be used for carrying out copper head crimping. Firstly, a cable head crimping die is arranged in a dovetail groove 14 of a clamp head, then a copper head to be crimped is placed at a crimping notch 7 of the cable head crimping die, a direct current motor 5 is operated in the forward direction, the clamp head is gradually folded, and a cable is firmly crimped at the crimping notch 7. The cable head crimping die can also be used for crimping manufacture in other electrical construction.
Claims (3)
1. A special tool for installing a booster station of a wind power and photovoltaic power generation system comprises a static binding clip, a movable binding clip, a screw rod, a reduction gear, a direct current motor and a handle; the dovetail groove is arranged on a butt joint surface between the static tong head and the movable tong head; the flange pressing die is characterized by further comprising a flange pressing die and a flange separating die, wherein a convex block matched with the dovetail groove in shape is arranged on one side of the flange pressing die; and a convex block matched with the dovetail groove in shape is arranged on one side of the flange separation mould, and a triangular separation pin is arranged at one end of the flange separation mould.
2. The special tool for installing the booster station of the wind power and photovoltaic power generation system according to claim 1, further comprising a cable shearing die, wherein a convex block matched with the dovetail groove in shape is arranged on one side of the cable shearing die, a shearing blade is arranged on the other side of the cable shearing die, and an arc-shaped groove is formed in the shearing blade.
3. The special tool for installing the booster station of the wind power and photovoltaic power generation system according to claim 1, further comprising a cable head crimping mold, wherein one side of the cable head crimping mold is a convex block matched with the dovetail groove in shape, and the other side of the cable head crimping mold is provided with a cable head crimping notch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549229.5U CN210430668U (en) | 2019-09-18 | 2019-09-18 | Special tool for installing booster station of wind power and photovoltaic power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549229.5U CN210430668U (en) | 2019-09-18 | 2019-09-18 | Special tool for installing booster station of wind power and photovoltaic power generation system |
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| CN210430668U true CN210430668U (en) | 2020-04-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474248A (en) * | 2019-09-18 | 2019-11-19 | 中国三冶集团有限公司 | A kind of installation method of wind-powered electricity generation and photovoltaic generating system booster stations |
| CN110474248B (en) * | 2019-09-18 | 2024-05-14 | 中国三冶集团有限公司 | Installation method of booster station of wind power and photovoltaic power generation system |
-
2019
- 2019-09-18 CN CN201921549229.5U patent/CN210430668U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474248A (en) * | 2019-09-18 | 2019-11-19 | 中国三冶集团有限公司 | A kind of installation method of wind-powered electricity generation and photovoltaic generating system booster stations |
| CN110474248B (en) * | 2019-09-18 | 2024-05-14 | 中国三冶集团有限公司 | Installation method of booster station of wind power and photovoltaic power generation system |
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