CN202348526U - Integrated hydraulic turbine generator braking device - Google Patents
Integrated hydraulic turbine generator braking device Download PDFInfo
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- CN202348526U CN202348526U CN2011204728715U CN201120472871U CN202348526U CN 202348526 U CN202348526 U CN 202348526U CN 2011204728715 U CN2011204728715 U CN 2011204728715U CN 201120472871 U CN201120472871 U CN 201120472871U CN 202348526 U CN202348526 U CN 202348526U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to an integrated hydraulic turbine generator braking device, which is characterized by comprising a pedestal, a three-position five-way middle discharge type electromagnetic reversing valve, a manual two-position four-way on-off valve and a three-position five-way middle discharge type electromagnetic reversing valve, wherein the manual two-position four-way on-off valve is embedded in the upper end of the pedestal; and an intake port, an exhaust port, a brake cavity port and a reset cavity port are embedded in a side face of the pedestal. According to the integrated hydraulic turbine generator braking device, the three-position five-way middle discharge type electromagnetic reversing valve, the manual two-position four-way on-off valve and a manual three-position four-way reversing valve are mutually combined and embedded in the pedestal, and then a pipeline is manufactured in the pedestal to communicate each valve with the intake port, the exhaust port, the brake cavity port and the reset cavity port which are formed on a side edge of the pedestal, so that reversing of an air path is realized; the manual two-position four-way on-off valve realizes switching of the three-position five-way middle discharge type electromagnetic reversing valve and the manual three-position four-way reversing valve; and the integrated hydraulic turbine generator braking device is integrally compact and reliable, can be mounted in a brake control cabinet body and can also be independently arranged in a brake air pressure pipeline.
Description
Technical field
The utility model belongs to hydraulic turbine generator brake appts field, especially a kind of integrated hydraulic turbine generator braking device.
Background technique
The generation power plant that the hydraulic generator unit is formed by water turbine and generator combination, it is arranged in the water power plant, and water turbine utilizes the energy operation of water as prime mover, and drives generator for electricity generation.In the working procedure of hydropower generator group; When the hydraulic generator unit need be shut down; Its rotating speed drops to 30 of rated speed~35% o'clock; Must change the operation that the gas flow in the braking line is thrown air lock, the air lock that falls with completion by the apply the brakes braking device, realize that finally the acceleration of hydraulic generator unit is shut down.
At present more common hydraulic turbine generator braking device is as shown in Figure 7; Comprise a plurality of bi-bit bi-pass manually operated valves, two two-position three way magnetic valves and a large amount of pipelines; The conversion of the state of various valves; Realize being used in the hydraulic generator unit brake chamber, the circulation air inlet in involution chamber, the exhaust of the cylinder of skidding, realized the shutdown of hydraulic generator unit.But can be known that by Fig. 7 pipeline connects loaded down with trivial details, the gas leakage point is more, and operation is very complicated, and reliability is low.
The model utility content
The purpose of the utility model is to overcome the deficiency of existing technology, and a kind of compact structure, safe and reliable integrated hydraulic turbine generator braking device are provided.
The technological scheme that the utility model is taked is:
A kind of integrated hydraulic turbine generator braking device; It is characterized in that: comprise base, three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves; Three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves are inlaid in the base upper end, are embedded with air inlet port, exhaust port, brake chamber port and involution chamber port in the side of base;
The linkage structure of said three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves and air inlet port, exhaust port, brake chamber port, involution chamber port is:
(1) the air inlet port is communicated with the P mouth of three-position five-way center-leakage type solenoid directional control valve, and exhaust port is communicated with O1, the O2 mouth of three-position five-way center-leakage type solenoid directional control valve;
(2) the brake chamber port is communicated with the B mouth of manual two four-way start-stop valves, and involution chamber port is communicated with the A mouth of manual two four-way start-stop valves;
(3) A of three-position five-way center-leakage type solenoid directional control valve, B mouth are communicated with PO1, the PO2 mouth of manual two four-way start-stop valves respectively;
The interposition A of said three-position five-way center-leakage type solenoid directional control valve, B mouth are communicated with O2, O1 mouth respectively, and the A of the off-position of said manual two four-way start-stop valves, B mouth are communicated with PO2, PO1 mouth respectively;
When to brake chamber input gas, manually PO1, the PO2 mouth of two-position four-way start-stop valve are communicated with B, A mouth respectively, and the P mouth of three-position five-way center-leakage type solenoid directional control valve is communicated with the A mouth, and the O2 mouth ends;
When to involution chamber input gas, manually PO1, the PO2 mouth of two-position four-way start-stop valve are communicated with B, A mouth respectively, and the P mouth of three-position five-way center-leakage type solenoid directional control valve is communicated with the B mouth, and the O1 mouth ends.
And; Go back setting-in one manual three position four-way directional control valve on the said base; The P of the interposition of this manual three position four-way directional control valve, O mouth are communicated with air inlet port and exhaust port respectively, and the A of the interposition of this manual three position four-way directional control valve, B mouth are communicated with involution chamber port and brake chamber port respectively;
When to brake chamber input gas, manually two-position four-way start-stop valve is positioned at off-position, and three-position five-way center-leakage type solenoid directional control valve is positioned at interposition, and manually P, the O mouth of three position four-way directional control valve connect B, A mouth respectively;
When to involution chamber input gas, manually two-position four-way start-stop valve is positioned at off-position, and three-position five-way center-leakage type solenoid directional control valve is positioned at interposition, and manually P, the O mouth of three position four-way directional control valve are communicated with A, B mouth respectively.
The advantage and the good effect of the utility model are:
In the utility model; Three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves, manual three position four-way directional control valve are made up each other and be inlaid on the base; In base, make being communicated with of air inlet port, exhaust port, brake chamber port and involution chamber port that pipeline adorns each valve and chassis side then; Realized the switching-over of gas circuit, manual two four-way start-stop valves have been realized three-position five-way center-leakage type solenoid directional control valve and the manually switching of three position four-way directional control valve, overall compact, reliable; Can be installed in the braking control cabinet, but also independent installation in the braking pressure pipeline.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the plan view of Fig. 1;
Fig. 4 is the linkage structure schematic representation of three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves, manual three position four-way directional control valve and air inlet port, exhaust port, brake chamber port, involution chamber port;
Fig. 5 (a) is when being auto state, brake chamber air inlet, the view that cylinder is braked;
Fig. 5 (b) is when being auto state, the air inlet of involution chamber, and cylinder carries out the view of involution;
Fig. 6 (a) is when being manual state, brake chamber air inlet, the view that cylinder is braked;
Fig. 6 (b) is when being manual state, the air inlet of involution chamber, and cylinder carries out the view of involution;
Fig. 7 is the structural representation of hydraulic turbine generator braking device in the existing technology.
Embodiment
Below in conjunction with embodiment, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit the protection domain of the utility model with following embodiment.
A kind of integrated hydraulic turbine generator braking device; Shown in Fig. 1~3; The innovation of the utility model is: comprise base 4, three-position five-way center-leakage type solenoid directional control valve 2, manual two four-way start-stop valves 5; Three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves are inlaid in the base upper end, are embedded with air inlet port P, exhaust port O, brake chamber port B and involution chamber port A in the side of base;
The linkage structure of said each valve and each port 6 is as shown in Figure 4:
(1) air inlet port P is communicated with the P mouth of the interposition of three-position five-way center-leakage type solenoid directional control valve, and exhaust port O is communicated with O1, the O2 mouth of the interposition of three-position five-way center-leakage type solenoid directional control valve;
(2) brake chamber port B is communicated with the B mouth of manual two four-way start-stop valve off-positions, and involution chamber port A is communicated with the A mouth of manual two four-way start-stop valve off-positions;
(3) A of the interposition of three-position five-way center-leakage type solenoid directional control valve, B mouth are communicated with PO1, the PO2 mouth of manual two four-way start-stop valve off-positions respectively;
In the interposition of three-position five-way center-leakage type solenoid directional control valve, A, B mouth are communicated with O2, O1 mouth respectively, and the A of the off-position of manual two four-way start-stop valves, B mouth end with PO2, PO1 mouth respectively.
The braking of cylinder and involution process are like Fig. 5 (a) with (b):
When to brake chamber input gas, operator move the handle 1 of manual two-position four-way start-stop valve, and spool is moved right; PO1, PO2 mouth are communicated with B, A mouth respectively; Electromagnet 12 energisings of three-position five-way center-leakage type solenoid directional control valve, spool is moved to the left, and the P mouth is communicated with the A mouth; The O2 mouth ends; The gas of inlet end gets into brake chamber through three-position five-way center-leakage type solenoid directional control valve, manual two-position four-way start-stop valve, and the gas in the involution chamber is through manually two-position four-way start-stop valve, three-position five-way center-leakage type solenoid directional control valve are got back to exhaust end, the braking process completion.
When to involution chamber input gas; Electromagnet 14 energisings of three-position five-way center-leakage type solenoid directional control valve, spool moves right, and the P mouth is communicated with the B mouth; The O1 mouth ends; The gas of inlet end gets into the involution chamber through three-position five-way center-leakage type solenoid directional control valve, manual two-position four-way start-stop valve, and the gas in the brake chamber is through manually two-position four-way start-stop valve, three-position five-way center-leakage type solenoid directional control valve are got back to exhaust end, the completion of involution process.
In order to make the safety and reliability of overall operation; On base, go back setting-in one manual three position four-way directional control valve 3; The P of the interposition of this manual three position four-way directional control valve, O mouth are communicated with air inlet port P and exhaust port O respectively, and the A of the interposition of this manual three position four-way directional control valve, B mouth are communicated with involution chamber port A and brake chamber port B respectively.
This manual three position four-way directional control valve cooperatively interacts with manual two-position four-way start-stop valve, realized the process of hand brake, involution, and detailed process is following:
When to brake chamber input gas, move to off-position with manual two-position four-way start-stop valve this moment, and PO1, PO2 end with B, A mouth respectively; With electromagnet 12,14 outages, make three-position five-way center-leakage type solenoid directional control valve be positioned at interposition, the P mouth ends; Move the handle of manual three position four-way directional control valve again; Spool is moved to the left, and manually P, the O mouth of three position four-way directional control valve are communicated with B, A mouth respectively, and inlet end gets into brake chamber through manual three position four-way directional control valve; Gas in the involution chamber is got back to exhaust end through manual three position four-way directional control valve, and braking process is accomplished.
When to involution chamber input gas; Move the handle of manual three position four-way directional control valve; Spool is moved right, and manually P, the O mouth of three position four-way directional control valve are communicated with A, B mouth respectively, and inlet end gets into the involution chamber through manual three position four-way directional control valve; Gas in the brake chamber is got back to exhaust end through manual three position four-way directional control valve, and the involution process is accomplished.
In the utility model; Three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves, manual three position four-way directional control valve are made up each other and be inlaid on the base; In base, make being communicated with of air inlet port, exhaust port, brake chamber port and involution chamber port that pipeline adorns each valve and chassis side then; Realized the switching-over of gas circuit, manual two four-way start-stop valves have been realized three-position five-way center-leakage type solenoid directional control valve and the manually switching of three position four-way directional control valve, overall compact, reliable; Can be installed in the braking control cabinet, but also independent installation in the braking pressure pipeline.
Claims (2)
1. integrated hydraulic turbine generator braking device; It is characterized in that: comprise base, three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves; Three-position five-way center-leakage type solenoid directional control valve; Manual two four-way start-stop valves are inlaid in the base upper end, are embedded with air inlet port, exhaust port, brake chamber port and involution chamber port in the side of base;
The linkage structure of said three-position five-way center-leakage type solenoid directional control valve, manual two four-way start-stop valves and air inlet port, exhaust port, brake chamber port, involution chamber port is:
(1) the air inlet port is communicated with the P mouth of three-position five-way center-leakage type solenoid directional control valve, and exhaust port is communicated with O1, the O2 mouth of three-position five-way center-leakage type solenoid directional control valve;
(2) the brake chamber port is communicated with the B mouth of manual two four-way start-stop valves, and involution chamber port is communicated with the A mouth of manual two four-way start-stop valves;
(3) A of three-position five-way center-leakage type solenoid directional control valve, B mouth are communicated with PO1, the PO2 mouth of manual two four-way start-stop valves respectively;
The interposition A of said three-position five-way center-leakage type solenoid directional control valve, B mouth are communicated with O2, O1 mouth respectively, and the A of the off-position of said manual two four-way start-stop valves, B mouth are communicated with PO2, PO1 mouth respectively;
When to brake chamber input gas, manually PO1, the PO2 mouth of two-position four-way start-stop valve are communicated with B, A mouth respectively, and the P mouth of three-position five-way center-leakage type solenoid directional control valve is communicated with the A mouth, and the O2 mouth ends;
When to involution chamber input gas, manually PO1, the PO2 mouth of two-position four-way start-stop valve are communicated with B, A mouth respectively, and the P mouth of three-position five-way center-leakage type solenoid directional control valve is communicated with the B mouth, and the O1 mouth ends.
2. integrated hydraulic turbine generator braking device according to claim 1; It is characterized in that: go back setting-in one manual three position four-way directional control valve on the said base; The P of the interposition of this manual three position four-way directional control valve, O mouth are communicated with air inlet port and exhaust port respectively, and the A of the interposition of this manual three position four-way directional control valve, B mouth are communicated with involution chamber port and brake chamber port respectively;
When to brake chamber input gas, manually two-position four-way start-stop valve is positioned at off-position, and three-position five-way center-leakage type solenoid directional control valve is positioned at interposition, and manually P, the O mouth of three position four-way directional control valve are communicated with B, A mouth respectively;
When to involution chamber input gas, manually two-position four-way start-stop valve is positioned at off-position, and three-position five-way center-leakage type solenoid directional control valve is positioned at interposition, and manually P, the O mouth of three position four-way directional control valve are communicated with A, B mouth respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204728715U CN202348526U (en) | 2011-11-24 | 2011-11-24 | Integrated hydraulic turbine generator braking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204728715U CN202348526U (en) | 2011-11-24 | 2011-11-24 | Integrated hydraulic turbine generator braking device |
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CN202348526U true CN202348526U (en) | 2012-07-25 |
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CN2011204728715U Expired - Fee Related CN202348526U (en) | 2011-11-24 | 2011-11-24 | Integrated hydraulic turbine generator braking device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104930089A (en) * | 2014-03-18 | 2015-09-23 | 江西泰豪特种电机有限公司 | Braking device for horizontal hydro generator |
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2011
- 2011-11-24 CN CN2011204728715U patent/CN202348526U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104930089A (en) * | 2014-03-18 | 2015-09-23 | 江西泰豪特种电机有限公司 | Braking device for horizontal hydro generator |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20151124 |