CN202118269U - Seal valve - Google Patents
Seal valve Download PDFInfo
- Publication number
- CN202118269U CN202118269U CN201120217658XU CN201120217658U CN202118269U CN 202118269 U CN202118269 U CN 202118269U CN 201120217658X U CN201120217658X U CN 201120217658XU CN 201120217658 U CN201120217658 U CN 201120217658U CN 202118269 U CN202118269 U CN 202118269U
- Authority
- CN
- China
- Prior art keywords
- crank
- valve plate
- valve
- driving
- valve disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a seal valve, which comprises a box, a cylinder, a valve seat, a valve disc and a valve disc operating device. The cylinder extends into the box, the valve seat is fixedly arranged at an outlet of the cylinder, the valve disc caps the valve seat and seals the same, and the valve disc operating device is used for controlling action of the valve disc. Besides, the valve disc operating device is subjected to transmission by the aid of a crank structure and a synchronizer to lead the valve disc to be in translation at first and then overturn, so that the structure of the seal valve can be simplified effectively, movement space of the valve disc can be reduced, and power consumption can be decreased. Two ends of a valve disc driving arm in a U-shaped structure are respectively connected with a crank to form a simply supported beam structure, and the disc valve driving arm has better stress conditions and higher rigidity and intensity and is not easy to deform or be broken as compared with a driving arm of a cantilever beam structure in the prior art. Meanwhile, a driving half-shaft of the valve disc is in a two-side solid shaft driving structure, which is simpler and is lower in manufacturing and maintenance difficulty as compared with a single-side solid shaft coaxial driving structure.
Description
Technical field
The utility model relates to a kind of sealing valve unit, in especially a kind of vertical kiln charging system with the matching used sealing valve unit of material flow gate.
Background technique
The vertical shaft type stove is particularly during blast furnace chrage, generally is earlier with the raw material furnace roof cylindrical shell of packing into, and then in packing raw material into stove from cylindrical shell through material flow gate.Owing to have certain pressure in the stove, leak in the vertical shaft type stove production process, in cylindrical shell charging process, adopting seal valve that the furnace gas and the external world are separated usually for avoiding furnace gas.
In the existing technology, upset is generally arranged and compress two actions during the work of the valve plate of vertical shaft type stove boiler roof sealing valve, respectively by two hydraulic oil cylinder driving.The seal valve driving arm is designed to the monolateral coaxial type of belt drive of hollow shaft and solid shaft for realizing above two actions, complex structure, and difficulty of processing is high, the equipment repair and maintenance difficulty.The valve plate driving arm is a cantilever beam structure simultaneously, and driving arm bears big load when seal valve is worked, and causes driving arm distortion even fracture easily, for equipment has brought serious potential safety hazard.
Therefore, need to improve, simplify its structure, reduce and make and maintenance difficulties, simultaneously, improve the carrying condition of its valve plate driving arm existing seal valve, increasing its reliability and working life, thus the potential safety hazard of abatement apparatus.
Summary of the invention
In view of this; The utility model provides a kind of seal valve; The sealing valve adopts bilateral semiaxis structure and U-shaped transmission arm, utilizes the crank-connecting rod transmission, simplifies the structure greatly; Also make the stress condition of transmission arm better, reach the purpose of reduction manufacturing and maintenance difficulties, the existing potential safety hazard of abatement apparatus.
A kind of seal valve of the utility model; Comprise casing, stretch into cylindrical shell in the casing, be fixedly set in the cylindrical shell outlet valve seat, cover the valve plate that on valve seat, seals and be used to control the valve plate opening and closing device of valve plate action, said valve plate opening and closing device comprise the U-shaped transmission arm, with the mode of being rotatably assorted coaxial be symmetricly set in cylindrical shell radially two valve plate jackshafts on two side box bodies, be symmetricly set in cylindrical shell radially both sides two driving cranks and be used to drive the drive unit of driving crank action; Valve plate is fixedly connected on U-shaped transmission arm bottom, and valve plate is closed when putting in place, and the opening end of U-shaped transmission arm exports over against cylindrical shell; Said driving crank comprises driving crank and driven crank; One end of driving crank and valve plate jackshaft are along circumferential secure fit; One end of the other end and U-shaped transmission arm is hinged; One end and the U-shaped transmission arm of driven crank are hinged, and the other end and casing are hinged, and the length of driving crank is greater than the length of driven crank; Valve plate is closed when putting in place, and the center line of driving crank and the center line of driven crank are parallel to each other and are parallel to the sealing plane of valve plate.
Further; Said drive unit comprises oil hydraulic cylinder and drives crank; An end that drives crank is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder, and the other end and valve plate jackshaft be along circumferential secure fit, said drive unit be two overlap and respectively with two corresponding one by one settings of valve plate jackshaft;
Further; Said valve plate opening and closing device also comprises the semiaxis synchronizer that is used for the synchronous rotation of valve plate jackshaft; Said semiaxis synchronizer comprises synchronizing shaft that two ends are rotatably assorted with casing respectively and is symmetricly set in radially two semiaxis synchronising (connecting) rods of both sides of valve plate; Said semiaxis synchronising (connecting) rod comprises synchronization crank I, connecting rod and synchronization crank II; One end of said synchronization crank I and valve plate jackshaft are along circumferential secure fit, and an end of synchronization crank II and synchronizing shaft are along circumferential secure fit, and the other end of synchronization crank I and synchronization crank II is hinged with the two ends of connecting rod respectively;
Further, said drive unit is a cover, comprises oil hydraulic cylinder and drives crank, and an end that drives crank is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder, and the other end and any valve plate jackshaft are along circumferential secure fit;
Further, said drive unit is a cover, comprises oil hydraulic cylinder and drives crank, and an end that drives crank is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder, and the other end and synchronizing shaft are along circumferential secure fit;
Further, said valve plate jackshaft, driving crank and semiaxis synchronising (connecting) rod were symmetricly set in the both sides on the plane of access door axis on cylindrical shell center line and the casing respectively.
The beneficial effect of the utility model: the seal valve of the utility model has following advantage:
1) with respect to cantilever beam structure formula valve plate transmission arm in the existing technology, the valve plate transmission arm is a U type structure in the utility model, and two ends are connected to form simple beam structure with crank respectively; The transmission arm stress condition is better; Stiffness and strength is better, is not easy to deform or rupture, and device security is high;
2) sealing valve plate jackshaft adopts bilateral solid shaft drive mechanism in the utility model, has avoided the coaxial drive mechanism of monolateral transmission hollow mandrel solid shaft, thereby structure is simplified greatly, and manufacture difficulty reduces, and repair and maintenance is convenient;
3) the sealing valve plate adopts the connecting rod transmission in the utility model, and the action of overturning after the translation of Driven by Hydraulic Cylinder realization valve plate elder generation when reducing the valve plate space, has also reduced power consumption;
4) the utility model adopts the semiaxis synchronizer that bilateral valve plate jackshaft can be rotated through same Driven by Hydraulic Cylinder synchronously, and simple and reasonable, power consumption is low.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described;
Plan view when Fig. 1 closes for the utility model embodiment 1 valve plate;
Left view when Fig. 2 closes for the utility model embodiment 1 valve plate;
Plan view when Fig. 3 opens for the utility model embodiment 1 valve plate;
Fig. 4 is the axonometric drawing of the utility model embodiment 1 driving crank;
Fig. 5 is the axonometric drawing of the utility model embodiment 1 semiaxis synchronising (connecting) rod;
Plan view when Fig. 6 closes for the utility model embodiment 2 valve plates;
Plan view when Fig. 7 opens for the utility model embodiment 2 valve plates;
Fig. 8 is the axonometric drawing of the utility model embodiment 2 semiaxis synchronising (connecting) rods;
Plan view when Fig. 9 closes with embodiment's 4 valve plates for the utility model embodiment 3;
Left view when Figure 10 closes for the utility model embodiment 3 valve plates;
Plan view when Figure 11 opens with embodiment's 4 valve plates for the utility model embodiment 3;
Left view when Figure 12 closes for the utility model embodiment 4 valve plates.
Embodiment
Embodiment 1:
Like Fig. 1-shown in Figure 5: the seal valve of present embodiment; Comprise casing 1, outlet end stretch into cylindrical shell 2 in the casing 1, be fixedly set in cylindrical shell 2 outlets valve seat 3, be used to cover the valve plate 4 that on valve seat 3, seals and be used to control the valve plate opening and closing device of valve plate 4 actions; Said valve plate opening and closing device comprise U-shaped transmission arm 5, with the mode of being rotatably assorted coaxial be symmetricly set in cylindrical shell 2 radially two valve plate jackshafts 6 on two side box bodies 1, be symmetricly set in cylindrical shell 2 radially both sides two driving cranks 7 and be used to drive the drive unit of driving crank 7 actions; Valve plate jackshaft 6 is rotatably assorted through bearing and is arranged on the casing 1; The both sides on the plane of access door 1a axis on cylindrical shell 2 center lines and the casing are preferably crossed in the radially both sides of cylindrical shell 2, and as shown in Figure 1, the radially both sides of cylindrical shell 2 are the both sides, front and back; When being opened, valve plate rotates toward access door one side; Space is big, is easy to arrange, and easy access; Valve plate 4 is fixedly connected on U-shaped transmission arm 5 bottoms through modes such as bolt connections, and valve plate 4 is closed when putting in place, and the opening end of U-shaped transmission arm 5 is over against cylindrical shell 2 outlets, and promptly the opening direction of U-shaped transmission arm 5 is the axial of cylindrical shell 2; Said driving crank 7 comprises driving crank 7a and driven crank 7b; The end of driving crank 7a is connected through key with valve plate jackshaft 6 to be realized along circumferential secure fit; One end of the other end and U-shaped transmission arm 5 is hinged, and an end and the U-shaped transmission arm 5 of driven crank 7b are hinged, and the other end is hinged through pin and casing 1; The length of driving crank 7a is greater than the length of driven crank 7b, to guarantee that when driving crank 7a moves, can drive the U-shaped transmission arm opens valve plate with action to the right downwards simultaneously; Valve plate 4 is closed when putting in place, and the center line of the center line of driving crank 7a and driven crank 7b is parallel to each other and is parallel to the sealing plane of valve plate 4, closes compress vertical with valve base chamber of moment valve plate that put in place to guarantee valve plate; The two ends of U-shaped transmission arm all are connected with driving crank, form simple beam structure, and stress condition is good; Said valve plate opening and closing device also comprises the semiaxis synchronizer; Said semiaxis synchronizer comprises synchronizing shaft 10 that two ends are rotatably assorted with casing 1 respectively and is symmetricly set in radially two semiaxis synchronising (connecting) rods 11 of both sides of valve plate 4; Said semiaxis synchronising (connecting) rod 11 comprises synchronization crank I 11a, connecting rod 11b and synchronization crank II 11c; The end of said synchronization crank I 11a and valve plate jackshaft 6 are along circumferential secure fit; The end of synchronization crank II 11c and synchronizing shaft 10 are along circumferential secure fit, and the other end of synchronization crank I 11a and synchronization crank II 11c is hinged with the two ends of connecting rod 11b respectively.
In the present embodiment; Said drive unit is a cover, comprises oil hydraulic cylinder 8 and drives crank 9, and an end that drives crank 9 is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder 8; The other end and any valve plate jackshaft 6 are along circumferential secure fit; On casing, the flexible promotion through hydraulic cylinder piston drives the reciprocal rotation that crank 9 makes the valve plate jackshaft to the cylinder ends of oil hydraulic cylinder, thereby drives the driving crank action through the oil hydraulic cylinder seat supports.Drive unit also can adopt like other power sources such as motors valve plate jackshaft 6 is driven except that above-mentioned oil hydraulic cylinder crank structure, makes it do back and forth to rotate, and all can realize the purpose of the utility model.
The working principle of this seal valve is: oil hydraulic cylinder 8 with drive crank 9 and drive valve plate jackshafts 6 and rotate, the valve plate jackshaft 6 that the synchronising (connecting) rod 11 of the synchronising (connecting) rod 11 of valve plate jackshaft 6 through homonymy, synchronizing shaft 11, opposite side drives opposite sides realize two semiaxis in the same way constant speed rotate.Two in the same way the valve plate jackshaft 6 that rotates of constant speed drive U-shaped transmission arms 5 two ends synchronization motions through corresponding driving crank 7 respectively.Because the length of driving crank 7a is greater than the length of driven crank 7b in the driving crank 7; And closing when putting in place driving crank 7a center line and driven crank 7b center line when valve plate 4 is parallel to each other and is parallel to sealing plane; Therefore in the process that seal valve is opened; Valve plate 4 lifts off a seat 3 with the mode that is similar to translation earlier under the driving of driving crank, realize rapidly that subsequently the rotary movement unlatching puts in place, referring to Fig. 3 again.Valve plate 4 closing motions are opposite with above-mentioned action.
Embodiment 2:
Like Fig. 6-shown in Figure 8: different with embodiment 1 is: an end that drives crank 9 is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder 8; The other end and synchronizing shaft 10 are along circumferential secure fit; Synchronizing shaft 9 is produced back and forth to rotate; Drive two valve plate jackshafts 6 and do synchronous reciprocal rotation, realize the switching of valve plate 4.
Embodiment 3:
Like Fig. 9, Figure 10 with shown in Figure 11: different with embodiment 1 is: on embodiment 1 structure, synchronizer is removed; Adopt two cover drive units to drive two valve plate jackshafts 6 respectively; Oil hydraulic cylinder 8 synchronization motions of control two cover drive units; Realize back and forth rotating synchronously of two valve plate jackshafts 6, realize the switching of valve plate 4.
Embodiment 4:
Like Fig. 9, Figure 11 with shown in Figure 12: different with embodiment 3 is: only adopt a cover drive unit to drive one of them valve plate jackshaft; Because the U-shaped transmission arm will be distributed in the driving crank on both sides and be connected as a single entity; Therefore; Only drive driving crank and the valve plate jackshaft that on one side driving crank action can drive another side and make synchronization motion, realize the switching of valve plate 4.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (6)
1. seal valve; Comprise casing (1), stretch into cylindrical shell (2) in the casing (1), be fixedly set in cylindrical shell (2) outlet valve seat (3), cover the valve plate (4) that on valve seat (3), seals and the valve plate opening and closing device that is used to control valve plate (4) action, it is characterized in that: said valve plate opening and closing device comprise U-shaped transmission arm (5), with the mode of being rotatably assorted coaxial be symmetricly set in cylindrical shell (2) radially two the valve plate jackshafts (6) on two side box bodies (1), be symmetricly set in cylindrical shell (2) radially both sides two driving cranks (7) and be used to drive the drive unit that driving crank (7) moves; Valve plate (4) is fixedly connected on U-shaped transmission arm (5) bottom, and valve plate (4) is closed when putting in place, and the opening end of U-shaped transmission arm (5) exports over against cylindrical shell (2); Said driving crank (7) comprises driving crank (7a) and driven crank (7b); One end of driving crank (7a) and valve plate jackshaft (6) are along circumferential secure fit; One end of the other end and U-shaped transmission arm (5) is hinged; One end of driven crank (7b) and U-shaped transmission arm (5) are hinged, and the other end and casing (1) are hinged, and the length of driving crank (7a) is greater than the length of driven crank (7b); Valve plate (4) is closed when putting in place, and the center line of the center line of driving crank (7a) and driven crank (7b) is parallel to each other and is parallel to the sealing plane of valve plate (4).
2. seal valve according to claim 1; It is characterized in that: said drive unit comprises oil hydraulic cylinder (8) and drives crank (9); An end that drives crank (9) is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder (8); The other end and valve plate jackshaft (6) be along circumferential secure fit, said drive unit be two covers and respectively with the corresponding one by one setting of two valve plate jackshafts (6).
3. seal valve according to claim 1; It is characterized in that: said valve plate opening and closing device also comprises the semiaxis synchronizer that is used for the synchronous rotation of valve plate jackshaft (9); Said semiaxis synchronizer comprises the synchronizing shaft (10) that two ends are rotatably assorted with casing (1) respectively and is symmetricly set in radially two semiaxis synchronising (connecting) rods (11) of both sides of valve plate (4); Said semiaxis synchronising (connecting) rod (11) comprises synchronization crank I (11a), connecting rod (11b) and synchronization crank II (11c); One end of said synchronization crank I (11a) and valve plate jackshaft (6) are along circumferential secure fit; One end of synchronization crank II (11c) and synchronizing shaft (10) are along circumferential secure fit, and the other end of synchronization crank I (11a) and synchronization crank II (11c) is hinged with the two ends of connecting rod (11b) respectively.
4. seal valve according to claim 3; It is characterized in that: said drive unit is a cover; Comprise oil hydraulic cylinder (8) and drive crank (9); An end that drives crank (9) is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder (8), and the other end and any valve plate jackshaft (6) are along circumferential secure fit.
5. seal valve according to claim 3; It is characterized in that: said drive unit is a cover; Comprise oil hydraulic cylinder (8) and drive crank (9), an end that drives crank (9) is articulated in the to-and-fro motion output terminal of oil hydraulic cylinder (8), and the other end and synchronizing shaft (10) are along circumferential secure fit.
6. according to any described seal valve of claim 1-5, it is characterized in that: said valve plate jackshaft (6), driving crank (7) and semiaxis synchronising (connecting) rod (11) were symmetricly set in the both sides on the plane of cylindrical shell (2) center line and last access door (1a) axis of casing (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120217658XU CN202118269U (en) | 2011-06-24 | 2011-06-24 | Seal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120217658XU CN202118269U (en) | 2011-06-24 | 2011-06-24 | Seal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118269U true CN202118269U (en) | 2012-01-18 |
Family
ID=45459336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120217658XU Expired - Lifetime CN202118269U (en) | 2011-06-24 | 2011-06-24 | Seal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384275A (en) * | 2011-06-24 | 2012-03-21 | 中冶赛迪工程技术股份有限公司 | Sealing valve |
-
2011
- 2011-06-24 CN CN201120217658XU patent/CN202118269U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384275A (en) * | 2011-06-24 | 2012-03-21 | 中冶赛迪工程技术股份有限公司 | Sealing valve |
| CN102384275B (en) * | 2011-06-24 | 2012-12-26 | 中冶赛迪工程技术股份有限公司 | Sealing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107166074B (en) | A kind of double gate valves of high vacuum | |
| CN209849047U (en) | Ore crushing device for mining | |
| CN102384275B (en) | Sealing valve | |
| CN108405095A (en) | A kind of improved bentonite crushing roller formula drying unit | |
| CN109270377A (en) | A kind of Power Quality Detection crusing robot device | |
| CN202118269U (en) | Seal valve | |
| CN111589692A (en) | Construction machinery equipment | |
| CN104929769B (en) | A kind of Crankless engine with the opposed device of cylinder | |
| CN207772205U (en) | A kind of wind-powered blade mold hydraulic open-close mold mechanism | |
| CN207786685U (en) | A kind of jaw crusher | |
| CN101635485B (en) | Integrated hydraulically-driven asynchronous generator | |
| CN103481377B (en) | The dust collection method of dust arrester, concrete mixing plant and concrete mixing plant | |
| CN202166325U (en) | Electrohydraulic controlled automatic furnace door opening/closing device | |
| CN206874859U (en) | A kind of double push-pull valves of high vacuum | |
| CN205282411U (en) | Circuit breaker and operating means thereof | |
| CN204768927U (en) | Vertical chain rubbing crusher expects device with settleing | |
| CN204783264U (en) | Take no bent axle engine of cylinder opposition device | |
| CN209872857U (en) | Automatic interlocking opening and closing device for coke oven top bridge pipe turning plate and ascending pipe water seal cover | |
| CN206794986U (en) | Discharging device is entered in a kind of vacuum interrupter soldering | |
| CN203256289U (en) | Blast furnace top distributing device based on cam | |
| CN208912158U (en) | A kind of jaw crusher | |
| CN201768447U (en) | Valve for off-line dust cleaning device | |
| CN202732999U (en) | Deformation prevention flap valve | |
| CN206179768U (en) | Novel high -pressure vacuum circuit breaker of high stability | |
| CN209318613U (en) | A kind of multi-joint high speed stamping machinery hand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120118 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |