CN103615618A - Converter valve tower self-locking draining adapter - Google Patents
Converter valve tower self-locking draining adapter Download PDFInfo
- Publication number
- CN103615618A CN103615618A CN201310574631.XA CN201310574631A CN103615618A CN 103615618 A CN103615618 A CN 103615618A CN 201310574631 A CN201310574631 A CN 201310574631A CN 103615618 A CN103615618 A CN 103615618A
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- Prior art keywords
- movable axis
- valve tower
- converter valve
- locking
- tower self
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a converter valve tower self-locking draining adapter which comprises a male connector connected with a water guide pipe and a female connector connected with a communicating water pipe connector at the bottom of a valve tower. The male connector is in butt joint with the female connector. The female connector comprises a hollow cylindrical body, a limit sleeve, a hollow outer sleeve, and a movable shaft disposed in the body. A conical spring pushing the movable shaft to move is disposed between the right end of the movable shaft and the outer sleeve. An inverted trapezoid limit groove for accommodating steel balls and locking the position of the male connector is peripherally formed along in the coordination part of the male connector and the female connector. The converter valve tower self-locking draining adapter has the advantages that the maintenance efficiency can be increased, the skill requirements of maintainers are lowered greatly, and the adapter is especially suitable for emergency maintenance. Compared with the existing tools, the converter valve tower self-locking draining adapter can directly reduce direct-current shutdown by 6 hours per electrode or per valve set, and the output value can be increased by about 31,500,000 yuan if a single electrode or a single valve set transmits 1030MW of electricity.
Description
Technical field
The present invention relates to extra-high voltage or super high voltage direct current electricity transmission field, be specifically related to a kind of converter valve tower self-locking draining conversion adapter.
Background technique
Along with extra-high voltage, super high voltage direct current electricity transmission engineering construction and development, the cooling by water mode that converter valve adopts is promoted and application popularization at DC transmission engineering, in converter valve maintenance process, often need carry out draining to single valve tower.At present single valve tower is carried out to draining and there is no special-purpose draining instrument, only by removing UNICOM's water pipe adapter of valve tower bottom, re-use mount cable-tie and its and diversion water pipe are carried out to plate bundle dock, existing method inconvenience is:
1. because whole process mainly relies on artificial board, prick, not only require attendant to there is skilled plate bundle technology, and need to use strict smooth diversion water pipe adapter, otherwise as easy as rolling off a logly cause infiltration or leak, affect plant maintenance;
2. docking operation, time-consuming, and poor controllability adopts easily the wear and tear UNICOM's water pipe adapter of valve tower bottom of existing method for a long time, seriously will make this joint because leaking, cause direct current to be stopped transport;
3. existing method is processed and is unfavorable for the maintenance to equipment at accident maintenance.
Summary of the invention
For above-mentioned technical problem, the present invention is intended to solve the problems of the technologies described above at least to a certain extent.
The object of this invention is to provide a kind of converter valve tower self-locking draining conversion adapter, comprise the tool joint pin that is connected with diversion water pipe, with the female joint that the connection water pipe adapter of valve tower bottom is connected, described tool joint pin and female joint connect, described female joint comprises:
One body, be hollow circle tube, its cylindrical is provided with ring-type stop bit boss, the left end of described body is circumferentially provided with the annular groove that holds snap ring along external diameter, the right side of described jump-ring slot is circumferentially provided with the positioning hole in through body cavity symmetrically along the external diameter of body, is provided with the steel ball of respective numbers in this positioning hole;
One stop collar, be enclosed within actively the outer round surface in body left side, described stop collar inwall is provided with ring-type positive stop lug boss highlightedly, the left survey of described positive stop lug boss is provided with opening towards left horn mouth, described positive stop lug boss right side forms ring-type limited step, between the outer round surface in described body left side and stop collar inwall, be arranged with spring 3, the left end of described spring is on the limited step of stop collar, and right-hand member is resisted against on the stop bit boss of body cylindrical;
One hollow sleeve, its left end is provided with outside thread, and right-hand member is provided with inner sleeve embeddedly, and described outside thread is connected with the internal thread of body right-hand member;
One movable axis, be arranged in body, its center is provided with cavity vertically, described cavity outlet is arranged at movable axis left side, described movable axis right-hand member end face is sealing configuration, is provided with equably the through hole that leads directly to described cavity, and between described movable axis and inner body wall, is also provided with movable sheath on the outer wall of described movable axis right-hand member along circumferential, described movable axis can endwisely slip along the endoporus of movable sheath, is provided with and promotes the volute spring that movable axis moves between the right-hand member of described movable axis and overcoat;
The auxiliary section of described tool joint pin and female joint is along being circumferentially provided with for holding steel ball and locking the inverted trapezoidal restraining groove of tool joint pin position.
Further, between the left end of described movable axis and tool joint pin right side, be provided with the first seal ring.
Further, the conical surface is set in the left side of described the first seal ring and tool joint pin realizes sealing, is plane sealing between right side and movable axis.
The left and right sides that further, on described movable axis outer wall, is positioned at through hole is respectively arranged with for holding the first seal groove of the second seal ring and the 3rd seal ring.
Further, the right side of described movable axis is provided with for locating the positioning boss of volute spring.
Further, the joint of described body and overcoat is also provided with the 5th seal ring.
Further, the outer wall of described stop collar is provided with for increasing the annular protrusion of friction.
Further, described movable sheath outer wall is provided with the second seal groove of accommodating the 4th seal ring.
Compared with prior art, beneficial effect of the present invention is to solve existing methodical uncontrollability in application process, improves maintenance efficiency, especially greatly reduces the requirement of attendant's technical ability, is specially adapted to rush to repair operation.Use the present invention to compare with existing instrument, within 1 year, can directly reduce direct current stop transport 6 hours every utmost points or every valve group (comprising annual plant maintenance), with one pole or single valve group, carry electric weight 1030MW to calculate, can new output value approximately 3,150 ten thousand yuan.
Accompanying drawing explanation
Master when Fig. 1 is embodiment of the present invention grafting looks schematic diagram.
Fig. 2 is A-A place cross-sectional schematic in Fig. 1.
Fig. 3 is the exploded perspective view of the embodiment of the present invention.
Fig. 4 is the cross-sectional schematic of the joint of the embodiment of the present invention.
Fig. 5 is the cross-sectional schematic of the body of the embodiment of the present invention.
Fig. 6 is B-B place cross-sectional schematic in Fig. 5.
Fig. 7 is the movable sheath cross-sectional schematic of the embodiment of the present invention.
Fig. 8 is the stop collar cross-sectional schematic of the embodiment of the present invention.
Fig. 9 is the movable axis cross-sectional schematic of the embodiment of the present invention.
Figure 10 is C-C place cross-sectional schematic in Fig. 9.
Figure 11 is the first seal ring cross-sectional schematic of the embodiment of the present invention.
Shown in figure, be: 1-joint; 101-restraining groove; 2-stop collar; 201-annular protrusion; 202-limited step; 203-positive stop lug boss; 204-horn mouth; 3-spring; 4-snap ring; 5-steel ball; 6-body; 601-annular groove; 602-positioning hole; 603-stop bit boss; 7-the first seal ring; The 704-conical surface; 8-movable axis; 801-the first seal groove; 802-positioning boss; 803-through hole; 804-cavity; 9-the second seal ring; 10-the 3rd seal ring; 11-the 4th seal ring; 12-movable sheath; 121-the second seal groove 13-volute spring; 14-the 5th seal ring; 15-overcoat; 16-inner sleeve.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
As shown in Figure 1 to Figure 3, a kind of converter valve tower self-locking draining conversion adapter, comprise the tool joint pin 1 that is connected with diversion water pipe, with the female joint that the connection water pipe adapter of valve tower bottom is connected, described tool joint pin 1 connects with female joint, described female joint comprises:
One body 6, as shown in Figure 5, Figure 6, be hollow circle tube, its cylindrical is provided with ring-type stop bit boss 603, the left end of described body 6 is circumferentially provided with the annular groove 601 that holds snap ring 4 along external diameter, the right side of described jump-ring slot 601 is circumferentially provided with the positioning hole 602 in through body 6 cavitys symmetrically along the external diameter of body 6, is provided with the steel ball 5 of respective numbers in this positioning hole 602;
One stop collar 2, as Fig. 8, be enclosed within actively the outer round surface in body 6 left sides, described stop collar 2 inwalls are provided with ring-type positive stop lug boss 203 highlightedly, the left survey of described positive stop lug boss 203 is provided with opening towards left horn mouth 204, described positive stop lug boss 203 right sides form ring-type limited step 202, between the outer round surface in described body 6 left sides and stop collar 2 inwalls, be arranged with spring 3, the left end of described spring 3 is on the limited step 202 of stop collar 2, and right-hand member is resisted against on the stop bit boss 603 of body 6 cylindricals; Described stop collar 2 moves left mutually under the effect of spring 3, and limits by snap ring 4 limit position that it moves to left.
One hollow sleeve 15, its left end is provided with outside thread, and right-hand member is provided with inner sleeve 16 embeddedly, and described outside thread is connected with the internal thread of body 6 right-hand members; The described inner sleeve 16 corresponding pipeline that can be used for pegging graft, as be connected to UNICOM's water pipe adapter of valve tower bottom.
One movable axis 8, as Fig. 9, shown in Figure 10, be arranged in body 6, its center is provided with cavity 804 vertically, described cavity outlet is arranged at movable axis 8 left sides, described movable axis 8 right-hand member end faces are sealing configuration, on the outer wall of described movable axis 8 right-hand members, edge is circumferentially provided with the through hole 803 of straight-through described cavity 804 equably, and be also provided with movable sheath 12 between described movable axis 8 and body 6 inwalls, described movable axis 8 can endwisely slip along the endoporus of movable sheath 12, between the right-hand member of described movable axis 8 and overcoat 15, be provided with and promote the volute spring 13 that movable axis 8 moves.
As shown in figure 11, between the left end of described movable axis 8 and tool joint pin 1 right side, be provided with the first seal ring 7, the left side of described the first seal ring 7 arranges the conical surface 704 and realizes sealing with tool joint pin 1, between right side and movable axis 8, it is plane sealing, after pegging graft in tool joint pin 1 and female joint, guarantee that one end that tool joint pin 1 stretches into female joint and movable axis 8 first keep sealing to contact between right end face, further improve sealing effect and stop leakage.
Scheme as a kind of further optimization, on described movable axis 8 outer walls, the left and right sides that is positioned at through hole 803 is respectively arranged with for holding the first seal groove 801 of the second seal ring 9 and the 3rd seal ring 10, make movable axis different working positions be remain and movable sheath 12 between radial impermeability, prevent from revealing.
Meanwhile, the right side of described movable axis is provided with for locating the positioning boss 802 of volute spring 13, maintain volute spring 13 position and working stability.
As shown in Figure 4, the auxiliary section of described tool joint pin 1 and female joint is along being circumferentially provided with for holding steel ball and locking the inverted trapezoidal restraining groove 101 of tool joint pin position.For in steel ball 5 is fallen into restraining groove 101 and the positive stop lug boss 203 of limited cover 2 inwalls of steel ball 5 limit in the time of cannot departing from restraining groove 101, the tool joint pin of having pegged graft 1 is locked mutually with female joint, prevent from departing from each other.
Further, described body 6 is also provided with the 5th seal ring 14 with the joint of overcoat 15.
Further, the outer wall of described stop collar is provided with for increasing the annular protrusion 201 of friction, and being convenient to pegging graft and departing from tool joint pin 1 is to stop collar is passed.
Further, described movable sheath 12 outer walls are provided with the second seal groove 121 of accommodating the 4th seal ring 11, have improved the sealing between movable sheath 12 and body 1 inwall.
The maximum boundary dimension Φ 25X91 (MM) of the embodiment of the present invention, adopts stainless steel manufacture to form, and can realize auto lock and unclamp.
Working principle and the process of the present embodiment are specific as follows:
During grafting, stop collar 2 is pushed into certain distance to the right, the tool joint pin 1 that is connected to general diversion water pipe is inserted in female joint, now, tool joint pin 1 promotes the first seal ring 7 and movable axis 8 displacement to the right, simultaneously, steel ball 5 slips in the restraining groove 101 of tool joint pin 1, stop collar 2 comes loose, spring 3 promotes limit position the pause that described stop collar 2 to snap ring 4 limits left, now, the positive stop lug boss 203 of stop collar 2 inwalls has limited the position of steel ball 5, make it cannot be from the interior disengaging of restraining groove 101, thereby realize tool joint pin 1 and female joint auto lock, the volute spring that is positioned at movable axis 8 right-hand members utilizes elastic force to promote the first seal ring 7 and tool joint pin 1 close contact of movable axis 8 left ends, realize end face seal, see Fig. 1.
After grafting, liquid refrigerant flow in the cavity 804 of movable axis 8 along tool joint pin 1, then flows in the cavity being surrounded by body 6 and overcoat 15 via the through hole 803 arranging on movable axis 8, finally by inner sleeve 16, flows into the UNICOM's water pipe adapter that is connected to valve tower bottom.
Remove while pegging graft, only need the direction promotion certain distance to body 6 by stop collar 2, now volute spring 13 promotion movable axis 8, the first seal ring 7 and tool joint pin 1 synchronously moves to left, steel ball 5 is extruded restraining groove 101 by tool joint pin 1, finally realize tool joint pin 1 automatic spring, realize and unclamping fast, when movable axis 8 moves to left to limit position, 12 sealings of the 3rd seal ring 10 synchronously moving to left and movable sheath contacts, and the liquid that prevents from being connected in UNICOM's water pipe adapter of valve tower bottom refluxes or leakage by overcoat 15, movable axis 8.
The advantage of the embodiment of the present invention is:
1. tools structure has been realized the automatic rapid abutting joint of cross over pipe interface and has been unclamped, and uses simple and fast, saves the operating time;
2. the sealing of tools structure after achieving a butt joint, has solved the percolating water of the as easy as rolling off a log appearance of docking operation;
3. effectively Protective valve tower UNICOM water pipe adapter of instrument, extends the working life of UNICOM's water pipe adapter of valve tower bottom;
4. instrument is applicable to general diversion water pipe adapter.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (8)
1. a converter valve tower self-locking draining conversion adapter, comprise the tool joint pin (1) being connected with diversion water pipe, the female joint being connected with the connection water pipe adapter of valve tower bottom, described tool joint pin (1) connects with female joint, it is characterized in that: described female joint comprises:
One body (6), be hollow circle tube, its cylindrical is provided with ring-type stop bit boss (603), the left end of described body (6) is circumferentially provided with the annular groove (601) that holds snap ring (4) along external diameter, the right side of described jump-ring slot (601) is circumferentially provided with the positioning hole (602) in through body (6) cavity along the external diameter of body (6) symmetrically, is provided with the steel ball (5) of respective numbers in this positioning hole (602);
One stop collar (2), be enclosed within actively the outer round surface in body (6) left side, described stop collar (2) inwall is provided with ring-type positive stop lug boss (203) highlightedly, the left survey of described positive stop lug boss (203) is provided with opening towards left horn mouth (204), described positive stop lug boss (203) right side forms ring-type limited step (202), between the outer round surface in described body (6) left side and stop collar (2) inwall, be arranged with spring (3), the left end of described spring (3) is on the limited step (202) of stop collar (2), right-hand member is resisted against on the stop bit boss (603) of body (6) cylindrical,
One hollow sleeve (15), its left end is provided with outside thread, and right-hand member is provided with inner sleeve (16) embeddedly, and described outside thread is connected with the internal thread of body (6) right-hand member;
One movable axis (8), be arranged in body (6), its center is provided with cavity (804) vertically, described cavity outlet is arranged at movable axis (8) left side, described movable axis (8) right-hand member end face is sealing configuration, on the outer wall of described movable axis (8) right-hand member, edge is circumferentially provided with the through hole (803) of straight-through described cavity (804) equably, and be also provided with movable sheath (12) between described movable axis (8) and body (6) inwall, described movable axis (8) can endwisely slip along the endoporus of movable sheath (12), described movable axis (is provided with between 8 right-hand member and overcoat (15) and promotes the mobile volute spring (13) of movable axis (8),
The auxiliary section of described tool joint pin (1) and female joint is along being circumferentially provided with for holding steel ball (5) and locking the inverted trapezoidal restraining groove (101) of tool joint pin (1) position.
2. converter valve tower self-locking draining conversion adapter according to claim 1, is characterized in that: between the left end of described movable axis (8) and tool joint pin (1) right side, be provided with the first seal ring (7).
3. converter valve tower self-locking draining conversion adapter according to claim 2, it is characterized in that: the left side of described the first seal ring (7) arranges the conical surface (704) and realizes sealing with tool joint pin (1), between right side and movable axis (8), is plane sealing.
4. converter valve tower self-locking draining conversion adapter according to claim 2, is characterized in that: on described movable axis (8) outer wall, the left and right sides that is positioned at through hole (803) is respectively arranged with for holding first seal groove (801) of the second seal ring (9) and the 3rd seal ring (10).
5. converter valve tower self-locking draining conversion adapter according to claim 4, is characterized in that: the right side of described movable axis (8) is provided with the positioning boss (802) for locating volute spring (13).
6. converter valve tower self-locking draining conversion adapter according to claim 1, is characterized in that: described body (6) is also provided with the 5th seal ring (14) with the joint of overcoat (15).
7. converter valve tower self-locking draining conversion adapter according to claim 1, is characterized in that: the outer wall of described stop collar is provided with the annular protrusion (201) for increasing friction.
8. converter valve tower self-locking draining conversion adapter according to claim 1, is characterized in that: described movable sheath (12) outer wall is provided with second seal groove (121) of accommodating the 4th seal ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574631.XA CN103615618A (en) | 2013-11-15 | 2013-11-15 | Converter valve tower self-locking draining adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574631.XA CN103615618A (en) | 2013-11-15 | 2013-11-15 | Converter valve tower self-locking draining adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103615618A true CN103615618A (en) | 2014-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310574631.XA Pending CN103615618A (en) | 2013-11-15 | 2013-11-15 | Converter valve tower self-locking draining adapter |
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| Country | Link |
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| CN (1) | CN103615618A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235543A (en) * | 2014-08-14 | 2014-12-24 | 黄子颀 | Snap spring self-locking pipe joint |
| CN104565629A (en) * | 2014-12-18 | 2015-04-29 | 中航光电科技股份有限公司 | Fluid connector component |
| CN105857577A (en) * | 2016-04-20 | 2016-08-17 | 曾治蛟 | Quick disassembling self-locking mechanism for propeller |
| CN107524250A (en) * | 2017-09-19 | 2017-12-29 | 浙江佳中木业有限公司 | A kind of integrated network formula heating-cooling double-effect metope structure |
| CN107558688A (en) * | 2017-09-19 | 2018-01-09 | 浙江佳中木业有限公司 | Circulation pipe network formula heating-cooling double-effect floor is integrated in one kind |
| CN108006343A (en) * | 2017-11-30 | 2018-05-08 | 江苏永尚能源科技有限公司 | A kind of plug-in and pull-off device of purifier pipe joint |
| CN108194738A (en) * | 2018-03-05 | 2018-06-22 | 浙江艾默樱网络科技有限公司 | A kind of double self-locking plug quick couplings |
| CN110608330A (en) * | 2015-04-20 | 2019-12-24 | 考尔得产品公司 | Single-use sterile fluid coupling |
| CN114570883A (en) * | 2022-03-08 | 2022-06-03 | 江苏新界机械配件有限公司 | Cooling device for casting water pump shell |
| US12000515B2 (en) | 2020-08-27 | 2024-06-04 | Colder Products Company | Fluid couplings |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235543A (en) * | 2014-08-14 | 2014-12-24 | 黄子颀 | Snap spring self-locking pipe joint |
| CN104565629B (en) * | 2014-12-18 | 2017-06-27 | 中航光电科技股份有限公司 | Fluidly connect device assembly |
| CN104565629A (en) * | 2014-12-18 | 2015-04-29 | 中航光电科技股份有限公司 | Fluid connector component |
| CN110608330B (en) * | 2015-04-20 | 2021-05-07 | 考尔得产品公司 | Single-use sterile fluid coupling |
| CN110608330A (en) * | 2015-04-20 | 2019-12-24 | 考尔得产品公司 | Single-use sterile fluid coupling |
| CN105857577A (en) * | 2016-04-20 | 2016-08-17 | 曾治蛟 | Quick disassembling self-locking mechanism for propeller |
| CN107524250A (en) * | 2017-09-19 | 2017-12-29 | 浙江佳中木业有限公司 | A kind of integrated network formula heating-cooling double-effect metope structure |
| CN107558688A (en) * | 2017-09-19 | 2018-01-09 | 浙江佳中木业有限公司 | Circulation pipe network formula heating-cooling double-effect floor is integrated in one kind |
| CN108006343A (en) * | 2017-11-30 | 2018-05-08 | 江苏永尚能源科技有限公司 | A kind of plug-in and pull-off device of purifier pipe joint |
| CN108194738A (en) * | 2018-03-05 | 2018-06-22 | 浙江艾默樱网络科技有限公司 | A kind of double self-locking plug quick couplings |
| US12000515B2 (en) | 2020-08-27 | 2024-06-04 | Colder Products Company | Fluid couplings |
| CN114570883A (en) * | 2022-03-08 | 2022-06-03 | 江苏新界机械配件有限公司 | Cooling device for casting water pump shell |
| CN114570883B (en) * | 2022-03-08 | 2023-11-17 | 江苏新界机械配件有限公司 | Cooling device for casting water pump shell |
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Application publication date: 20140305 |