CN217033011U - Assembly transmission debugging device of large-diameter annular gap type pressure regulating valve - Google Patents
Assembly transmission debugging device of large-diameter annular gap type pressure regulating valve Download PDFInfo
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- CN217033011U CN217033011U CN202123139932.9U CN202123139932U CN217033011U CN 217033011 U CN217033011 U CN 217033011U CN 202123139932 U CN202123139932 U CN 202123139932U CN 217033011 U CN217033011 U CN 217033011U
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- pressure regulating
- transmission shaft
- supporting seat
- annular gap
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- 238000007789 sealing Methods 0.000 description 9
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- 238000006073 displacement reaction Methods 0.000 description 4
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Abstract
An assembly transmission debugging device of a large-caliber annular gap type pressure regulating valve comprises a supporting seat, wherein the supporting seat is provided with an inner hole matched with a transmission shaft, and one end of the outer side of the supporting seat is matched with a central hole of a cross-shaped support and then the outer side of the supporting seat and the central hole are connected into a whole; the other end flange of the supporting seat is connected with the Roots electric actuator, one end of the transmission shaft penetrates through the inner hole of the supporting seat and is connected with the output end of the Roots electric actuator, the other end of the transmission shaft is connected with the adapter, the adapter is provided with a pin hole used for being connected with a tested piece, and the transmission shaft is provided with an anti-rotating device. The utility model has the main advantages of compact structure, accurate positioning, stable and reliable transmission, high debugging and control precision, convenient disassembly, assembly, fixation and use, visual observation of the running condition of the movable sleeve, and the like.
Description
Technical Field
The utility model relates to an assembly transmission debugging device of a large-caliber annular gap type pressure regulating valve.
Background
The total weight of the DN2000 large-caliber annular gap type pressure regulating valve reaches 67 tons, the total length is 5.7 meters, and the total height is 3.2 meters. The structure mainly comprises components such as a front shell, a middle shell, a ship-shaped part, a molded surface section, a movable sleeve, a supporting section, a supporting rod, a hydraulic device and the like, and the structure is complex. The technical requirements of each link of design, manufacture, assembly and debugging are clearly specified and strictly controlled.
The assembling and debugging of the DN2000 large-caliber annular gap type pressure regulating valve directly influences the overall performance and the service life of the valve, and the overall performance of the annular gap type pressure regulating valve directly influences the accuracy of test data in a wind tunnel system. In the assembling and debugging process, the molded surface section inner cavity and the excircle of the movable sleeve are required to be coaxial, the coaxiality of a flow channel formed after the middle shell, the molded surface section, the movable sleeve and the supporting section are assembled is not more than 0.5mm, the operation process of the movable sleeve is required to be stable and smooth, the stroke adjusting precision is not more than 0.2mm, the full stroke switching time is not more than 2S, the main sealing pair and the auxiliary sealing pair are sealed simultaneously when the movable sleeve is closed, and the leakage quantity is ensured to be zero leakage during the air tightness test. The technical requirements are met, and the stroke of the movable sleeve, the coaxiality and the operation stability relative to the molded surface shell are debugged in the assembling stage, namely, a transmission debugging device which can be used for accurately debugging the stroke of the movable sleeve, controlling the operation time from full opening to full closing, measuring the sectional area of an annular area formed between the movable sleeve and the molded surface section under different displacements and measuring the matching uniformity of a main sealing pair is designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmission debugging device capable of driving a movable sleeve to run on a guide rail of a ship-shaped part during assembly of a large-caliber annular slit type pressure regulating valve.
In order to realize the purpose, the adopted technical scheme is as follows:
an assembly transmission debugging device of a large-caliber annular gap type pressure regulating valve comprises a supporting seat, wherein the supporting seat is provided with an inner hole matched with a transmission shaft, and one end of the outer side of the supporting seat is matched with a central hole of a cross-shaped bracket and then connected with the inner hole into a whole; the other end flange of the supporting seat is connected with the Roots electric actuator, one end of the transmission shaft penetrates through the inner hole of the supporting seat and is connected with the output end of the Roots electric actuator, the other end of the transmission shaft is connected with the adapter, the adapter is provided with a pin hole for being connected with a tested piece, and the transmission shaft is provided with an anti-rotation device.
The anti-rotation device comprises an anti-rotation seat which is arranged on one side of the cross-shaped bracket and is coaxial with the central hole of the cross-shaped bracket, and the anti-rotation seat is of a cylindrical structure with a flange; the other end of the rotation preventing seat is movably matched with the guide plate, the guide plate is of a disc-shaped structure with a groove, the guide plate is symmetrically provided with a cavity formed by the grooves and matched with the transmission shaft, and the outer edge side of the guide plate is connected into a whole through bolts and nuts.
The transmission shaft is provided with a plane which is matched with the groove of the guide plate.
The wall of the anti-rotation seat is provided with symmetrical guide grooves, and the guide plate moves along the guide grooves.
And a concave spigot arranged at the outer edge of the cross-shaped bracket is matched with a convex spigot of a flange of the middle shell.
The other end of the transmission shaft is of a T-shaped structure and is in adaptive connection with a T-shaped groove of the adapter.
The utility model can drive the movable sleeve (sealing part) of the annular gap type pressure regulating valve to reciprocate on the guide rail of the ship-shaped part, the flow passing through the section of the whole annular region is equal through debugging, the movable sleeve operates stably and smoothly, the requirement of a technical task specification is met during the full-stroke operation time, and the leakage rate at a sealing pair is zero. The working condition environment of the wind tunnel test is ensured to approach to the actual working condition during the aerodynamic research test.
The utility model has the main advantages of compact structure, accurate positioning, stable and reliable transmission, high debugging and control precision, convenient disassembly, assembly, fixation and operation, visual observation of the running condition of the movable sleeve, and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic diagram of a pull-on sleeve debugging process after the present invention is assembled with a large caliber annular slit type pressure regulating valve;
FIG. 4 is a schematic view of a cruciform support structure of the present invention;
FIG. 5 is a schematic view of an adapter of the present invention;
FIG. 6 is a schematic front view of the anti-rotation seat of the present invention;
FIG. 7 is a schematic sectional view taken along line B-B in FIG. 6;
FIG. 8 is a schematic view of a guide plate structure according to the present invention;
in the figure: the device comprises a 1-conversion joint, a 2-transmission shaft, a 3-cross support, a 4-support seat, a 5-Rotock electric actuator, a 6-bolt, a 7-rotation preventing seat, an 8-guide plate, a 9-stud, a 10-nut, a 11-middle shell, a 12-profile section, a 13-auxiliary sealing pair, a 14-main sealing pair, a 15-moving sleeve, a 16-support rod and a 17-ship-shaped part.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-2 and 4-8, the assembly transmission debugging device of the large-caliber annular gap type pressure regulating valve comprises a supporting seat 4, wherein the supporting seat 4 is provided with an inner hole matched with a transmission shaft 2, and one end of the outer side of the supporting seat is connected with a central hole of a cross-shaped bracket 3 into a whole after being matched with the central hole; the other end flange of the supporting seat 4 is connected with the Roots electric actuator 5 and used for supporting the Roots electric actuator 5, one end of the transmission shaft 2 is connected with the output end of the Roots electric actuator 5 after penetrating through the inner hole of the supporting seat 4, the other end of the transmission shaft is connected with the adapter 1, the adapter 1 is provided with a pin hole used for being connected with a tested piece, and the transmission shaft 2 is provided with an anti-rotation device.
The anti-rotation device comprises an anti-rotation seat 7 which is arranged on one side of the cross-shaped support 3 and is coaxial with a central hole thereof (and the rotork electric actuating mechanism 5 are respectively arranged on two sides of the cross-shaped support 3), and the anti-rotation seat 7 is of a cylindrical structure with a flange; the other end of the rotation preventing seat 7 is movably matched with the guide plate 8, the guide plate 8 is of a disc-shaped structure with grooves, the guide plate is symmetrically arranged in a cavity formed by the grooves and matched with the transmission shaft 2, and the outer edge side of the guide plate is connected into a whole through bolts and nuts.
The cross-shaped support 3 (shown in figure 4) is in central symmetry, concave rabbets 18 and 4 holes are arranged at the outer edge of the cross-shaped support and are respectively matched with a convex rabbets on a flange of a shell in the pressure regulating valve and four holes on a central line, and the concave rabbets and the convex rabbets can be connected with the shell in the pressure regulating valve through bolts and nuts after being positioned. The cross-shaped support 3 is accurate in positioning and light in weight, and the running condition of the movable sleeve can be observed through the window.
A positioning spigot is arranged on the excircle of one end of the supporting seat 4, the inner hole of the cross-shaped support 3 is matched with the excircle of the supporting seat 4, and the positioning spigot and the inner hole are welded into a whole through a welding groove after being positioned. The other end of the supporting seat 4 is provided with a flange which is connected with a Rootron electric actuating mechanism 5 through a bolt 6. The inner diameter of one section of the inner hole of the supporting seat 4 and the outer diameter of the transmission shaft 2 are matched to be used as a guide section of the transmission shaft 2, so that the transmission shaft 2 and the movable sleeve of the annular gap type pressure regulating valve are coaxial in center.
One end of the transmission shaft 2 is provided with a trapezoidal thread which passes through the inner hole of a welding part of the support seat 4 and the cross-shaped support 3 and is matched and connected with the Rootron electric actuating mechanism 5, and the length of the set trapezoidal thread is enough to enable the movable sleeve to be fully opened and closed in the debugging process.
Referring to fig. 2 and 8, the transmission shaft 2 is provided with a plane surface matched with the groove of the guide plate 8, and the plane surface is used for preventing the transmission shaft 2 from rotating when moving.
Referring to fig. 6 and 7, the barrel wall of the rotation preventing seat 7 is provided with symmetrical guide grooves, and the guide plate 8 moves along the guide grooves to ensure that the transmission shaft 2 does not rotate when moving. The method comprises the following steps:
the excircle of the transmission shaft 2 is provided with plane notches which are symmetrical up and down and used for positioning the two guide plates 8 in the plane notches, and the two guide plates 8 are fixed on the transmission shaft 2 by adopting a stud bolt 9 and a nut 10 after positioning. The anti-rotation seat 7 is provided with guide grooves which are symmetrical up and down on the cylinder body, the width of each guide groove is matched with the thickness of the two connected guide plates, the unilateral gap is 1mm, and the length of each guide groove is enough to meet the requirement that the transmission debugging device moves the sleeve to be opened and closed completely when in operation. The rotation preventing seat 7 is provided with a flange which can be matched and connected with 4 threaded holes of the cross-shaped bracket 3 through bolts 6.
The other end of the transmission shaft 2 is of a T-shaped structure and is in matched lap joint with the T-shaped groove of the adapter 1.
The other end of the adapter 1 is provided with a pin hole which is matched and connected with a support rod and a movable sleeve component of the pressure regulating valve through a pin shaft. The main function is to convert the rotary motion of the drive shaft 2 driven by the Rotock electric actuator 5 into the reciprocating motion of the movable sleeve.
The Rootk electric actuating mechanism 5 adopts an IB type, has very reliable precision of a position sensor in the Rootk electric actuating mechanism, can replace a displacement sensor arranged in the whole pressure regulating valve, and can simulate a hydraulic system to drive the movable sleeve to operate after the parameters are set to be consistent with the transmission parameters of the hydraulic system of the pressure regulating valve. The stroke of the movable sleeve is accurately debugged, and the running time from full opening to full closing is controlled. And measuring the sectional area of an annular area formed between the movable sleeve and the profile section under different displacements and the matching uniformity of the main sealing pair.
Referring to fig. 3, the co-walking process of the present invention: after the connection and fixation, the utility model drives the pressure regulating valve moving sleeve 15 to reciprocate through the transmission shaft 2 and the adapter 1 under the action of the Rootron electric actuating mechanism 5. Through the window of cruciform support 3, observe that the full stroke moves sleeve 15 and operates steadily and smoothly on the ship type part 17 guide rail, whether it is even to detect main sealing pair 14 department with the feeler gauge when closing the position entirely, whether the sectional area that forms the annular region under different displacements measuring movable sleeve 15 and profile section 12 is equal with slide caliper or inside micrometer. Because the position sensor of the Rotock electric actuator 5 is sensitive and reliable, a hydraulic system of the pressure regulating valve can be simulated after parameters are set, the movable sleeve 15 is driven to reciprocate to debug, and the running time from full opening to full closing is accurately tested, so that the stroke regulation precision of the large-caliber annular slit type pressure regulating valve is ensured.
Claims (7)
1. The assembly transmission debugging device of the large-caliber annular gap type pressure regulating valve is characterized by comprising a supporting seat (4), wherein the supporting seat (4) is provided with an inner hole matched with a transmission shaft (2), and one end of the outer side of the supporting seat is connected with a central hole of a cross-shaped bracket (3) into a whole after being matched with the central hole; the other end flange and the rotork electric actuator (5) of supporting seat (4) are connected, and transmission shaft (2) are passed one end and are connected with rotork electric actuator (5) output behind the hole of supporting seat (4), and the other end and crossover sub (1) are connected, are equipped with the pinhole on this crossover sub (1) and are used for being connected with the piece that is tested, be equipped with anti-rotating device on transmission shaft (2).
2. The assembly transmission debugging device of the large-caliber annular gap type pressure regulating valve, according to claim 1, wherein said rotation preventing device comprises a rotation preventing seat (7) mounted on one side of said cross-shaped support (3) and coaxial with its central hole, said rotation preventing seat (7) being of a flanged cylindrical structure; the other end of the rotation preventing seat (7) is movably matched with the guide plate (8), the guide plate (8) is of a disc-shaped structure with grooves, the cavities formed by the grooves are symmetrically arranged to be matched with the transmission shaft (2), and the outer edge side of the rotation preventing seat is connected into a whole through bolts and nuts.
3. The assembly transmission debugging device of the large-caliber annular gap type pressure regulating valve according to claim 2, wherein a plane is arranged on the transmission shaft (2) and is matched with a groove of the guide plate (8).
4. The assembly transmission debugging device of a large-caliber annular gap type pressure regulating valve according to claim 2, wherein the barrel wall of the anti-rotation seat (7) is provided with symmetrical guide grooves along which the guide plate (8) moves.
5. The assembly transmission debugging device of a large-caliber annular gap type pressure regulating valve according to claim 1, wherein a concave spigot (18) is arranged at the outer edge of the cross-shaped bracket (3) and matched with a convex spigot of a flange of a middle shell.
6. The assembly transmission debugging device of the large-caliber annular gap type pressure regulating valve according to claim 1, wherein the other end of the transmission shaft (2) is of a T-shaped structure and is in adaptive connection with a T-shaped groove of the adapter (1).
7. The assembly transmission debugging device of a large-caliber annular gap type pressure regulating valve according to claim 1, wherein the Rootkey electric actuator (5) is of type IB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123139932.9U CN217033011U (en) | 2021-12-15 | 2021-12-15 | Assembly transmission debugging device of large-diameter annular gap type pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123139932.9U CN217033011U (en) | 2021-12-15 | 2021-12-15 | Assembly transmission debugging device of large-diameter annular gap type pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217033011U true CN217033011U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123139932.9U Active CN217033011U (en) | 2021-12-15 | 2021-12-15 | Assembly transmission debugging device of large-diameter annular gap type pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217033011U (en) |
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2021
- 2021-12-15 CN CN202123139932.9U patent/CN217033011U/en active Active
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Yaqin Inventor after: Chen Wenxin Inventor after: Hao Hongda Inventor after: Zhang Lin Inventor after: Yue Jinghua Inventor after: Wang Zhongqiang Inventor after: Ha Huafeng Inventor before: Jiang Yaqin Inventor before: Zeng Liquan Inventor before: Wei Chengguo Inventor before: Chen Wenxin Inventor before: Hao Hongda Inventor before: Zhang Lin Inventor before: Yue Jinghua Inventor before: Wang Zhongqiang Inventor before: Ha Huafeng |
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| CB03 | Change of inventor or designer information |