CN111911688B - High-temperature high-pressure forged steel gate valve - Google Patents
High-temperature high-pressure forged steel gate valve Download PDFInfo
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- CN111911688B CN111911688B CN202010766296.3A CN202010766296A CN111911688B CN 111911688 B CN111911688 B CN 111911688B CN 202010766296 A CN202010766296 A CN 202010766296A CN 111911688 B CN111911688 B CN 111911688B
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- groove
- pipeline
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
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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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
Abstract
The invention discloses a high-temperature and high-pressure forged steel gate valve which comprises a rotating wheel, a pipeline and a valve body, wherein both sides of the valve body are provided with dismounting structures, one side of each dismounting structure is provided with the pipeline, a sealing structure is arranged between the pipeline and the valve body, an inner supporting clamping ring is arranged inside a third sealing groove, one side of the inner supporting clamping ring is fixed with one side of the pipeline, the rotating wheel is arranged at the middle position of the top end of the valve body, and a reinforcing structure is arranged inside the valve body. According to the invention, the third sealing groove is arranged, when the pipeline is connected with the valve body, the inner support clamping rings on the pipelines at two sides are clamped into the third sealing groove on the valve body, so that the pipeline is attached to the valve body, and when the pipeline is attached to the valve body, the inner support clamping rings are tightly attached to the third sealing groove by the sealing ring arranged in the first sealing groove in the inner support clamping rings, so that the circulating liquid or gas is not easy to leak, and the sealing property of the valve body is greatly improved.
Description
Technical Field
The invention relates to the technical field of forged steel gate valves, in particular to a high-temperature and high-pressure forged steel gate valve.
Background
With the continuous progress of the continuous development of national economy and science and technology, the application of the valve is more and more extensive, the valve is a component for controlling the switch and the flow, the high-temperature high-pressure forged steel gate valve is also a valve, and the high-temperature high-pressure forged steel gate valve can only be used as a switch, cannot adjust the flow and is commonly used in some places with high temperature and high pressure;
however, when the existing high-temperature and high-pressure forged steel gate valve is used, the sealing performance of the joint of the valve body and the pipeline is poor, and leakage is easy to generate, so that the high-temperature and high-pressure forged steel gate valve is developed to solve the problems.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The invention aims to provide a high-temperature and high-pressure forged steel gate valve to solve the problem of poor sealing performance of the joint of a valve body and a pipeline in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the high-temperature and high-pressure forged steel gate valve comprises a rotating wheel, a pipeline and a valve body, and is characterized in that a first flange is arranged at the end part of the valve body, a second flange is arranged at the end part of the pipeline, a dismounting structure is arranged between the first flange and the second flange, a pipeline is arranged on one side of the dismounting structure, a sealing structure is further arranged between the first flange and the second flange, the sealing structure comprises an inner support clamping ring, a first sealing groove, a sealing ring and a third sealing groove, the first sealing groove is arranged on the end surface of the second flange, the third sealing groove is arranged on the end surface of the first flange, the inner support clamping ring is arranged inside the third sealing groove, one side of the inner support clamping ring is fixedly connected with the end surface of the first flange, the sealing ring is arranged on the inner support clamping ring and is attached to the first sealing groove and the third sealing groove, the middle position department on valve body top installs the runner, the inside of valve body is provided with additional strengthening.
Preferably, the outer side wall of the inner support clamping ring is provided with a second sealing groove, the sealing ring is clamped in the second sealing groove, and a clamping structure is formed between the inner support clamping ring and the third sealing groove.
Preferably, the dismouting structure includes fixing bolt, rand, connecting block and preformed hole, the connecting block is evenly fixed in the lateral wall of pipeline one side and valve body both sides, the inside of connecting block all is provided with the preformed hole, the equal activity in inside of preformed hole has fixing bolt, the lateral wall activity of fixing bolt both sides has the rand.
Preferably, the connecting block and the pipeline and the valve body are in a welding integrated structure, and the connecting block is annularly distributed on the outer side walls of the pipeline and the valve body.
Preferably, the additional strengthening includes fixed block, strengthening rib and reinforcing ring, the strengthening rib evenly sets up in the inner wall of valve body, the even welding of lateral wall of strengthening rib has the reinforcing ring.
Preferably, the fixed block is evenly welded between the reinforcing rib and the reinforcing ring, and the reinforcing ring is equidistantly distributed on the outer side wall of the reinforcing rib.
Preferably, be provided with the third seal groove on the first flange, also be provided with the third seal groove on the second flange, two be provided with the sealing washer in the third seal groove, the width of sealing washer surface is less than the width of internal surface, makes the transversal toper of personally submitting of sealing washer, be provided with the annular chamber in the sealing washer, be provided with annular rod in the annular chamber, annular rod has memory alloy to make, the internal surface of third seal groove be provided with the slope that the sealing washer corresponds, and the cross section of annular chamber, annular rod is conical.
Preferably, the energy dissipation device further comprises an auxiliary energy dissipation device, the auxiliary energy dissipation device comprises two fastening solids, a middle flat plate and a bottom plate, a first groove and a plurality of inner insertion holes are formed in the lower surface of the middle flat plate, a cylindrical block corresponding to the first groove and a first vertical telescopic rod corresponding to the inner insertion holes are arranged on the bottom plate, a first wear-resistant elastic sheet is arranged between the middle flat plate and the bottom plate, a lower energy dissipation part corresponding to the fastening solids is arranged on the upper surface of the middle flat plate, the lower energy dissipation part comprises a lower fastening body, two lower support blocks, two second grooves and two second vertical telescopic rods, the two second grooves are located between the two second vertical telescopic rods, the lower support blocks are arranged in the second grooves, the lower fastening body is arranged in the two lower support blocks, and two telescopic clamping plates are arranged on the lower support blocks, the lower fastening body is provided with a middle flat plate and a middle flat plate, the middle flat plate is provided with a first groove, a first elastic wear-resistant piece is arranged between the two telescopic clamping plates, a first elastic wear-resistant piece supporting the lower fastening body is arranged in the first groove, a telescopic groove is formed in the lower supporting block, a top spring is arranged in the telescopic groove, the bottom of the telescopic clamping plate is located in the telescopic groove and connected with the upper end of the top spring, the end of the fastening body is provided with a second groove and an inverted L-shaped stop lever, a third elastic wear-resistant piece is arranged between the end of the lower fastening body and the L-shaped stop lever, the end of the lower fastening body stretches into the fourth groove and is connected with the fastening body through a fixing screw, and the end of the lower fastening body is connected with the middle flat plate through a second vertical telescopic rod.
Preferably, the second vertical telescopic rod comprises a telescopic sleeve, a telescopic inner rod, a first spring and a second spring, the telescopic sleeve is connected to the middle flat plate, the first spring is arranged in the telescopic sleeve, the lower end of the telescopic inner rod is located in the telescopic sleeve and connected to the upper end of the first spring, the upper end of the telescopic inner rod is located in the through hole of the lower fastening body, a blocking ring is arranged on the telescopic inner rod, and the second spring is arranged on the blocking ring and the telescopic inner rod between the telescopic sleeve.
Preferably, a wear-resistant elastic sleeve is arranged in the through hole and sleeved at the upper end of the telescopic inner rod.
Compared with the prior art, the invention has the beneficial effects that: the high-temperature high-pressure forged steel gate valve not only realizes stronger sealing performance at the joint of the valve body and the pipeline, but also simultaneously realizes convenient installation and disassembly of the valve body and larger internal strength of the valve body, and has longer service life;
1. the third sealing groove is formed in one side of the valve body, when the pipeline is connected with the valve body, the inner support clamping rings on the pipelines at two sides are clamped into the third sealing groove on the valve body, so that the pipeline and the valve body are attached together, and when the pipeline and the valve body are attached together, the sealing rings arranged in the first sealing grooves in the inner support clamping rings enable the inner support clamping rings and the third sealing groove to be tightly attached together, so that circulating liquid or gas is not easy to leak, and the sealing performance of the valve body is greatly improved;
2. the valve body can be mounted on the pipeline simply, conveniently and conveniently, and is convenient to dismount, and when the valve body is mounted, the connecting blocks on the two sides of the valve body and the connecting block on one side of the pipeline are aligned to a good position;
3. through the inside at the valve body being provided with additional strengthening, strengthening rib evenly distributed has increased the intensity of valve body in the inside of valve body, and strengthening rib lateral wall evenly distributed's reinforcing ring is fixed the strengthening rib simultaneously for valve body internal strength is higher, thereby makes the difficult production of valve body damage, the effectual life that has prolonged.
Other advantages, objects, and features of the high temperature, high pressure forged steel gate valve of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a front view of the detachable structure of the present invention;
FIG. 3 is a schematic structural view of a sealing structure of the present invention in elevation and section;
FIG. 4 is a schematic side view of the present invention.
Figure 5 is a schematic view of the structure of the auxiliary energy dissipater of the present invention.
Fig. 6 is a cross-sectional schematic view of a seal ring of the present invention.
Figure 7 is a front view of the structure of the auxiliary dissipater of the present invention.
Fig. 8 is a structural schematic view of the lower support block of the present invention.
Fig. 9 is a top view of the structure of the base plate of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Referring to fig. 1-4, an embodiment of the present invention is shown: the high-temperature high-pressure forged steel gate valve comprises a runner 1, a pipeline 2 and a valve body 5, wherein a first flange 51 is arranged at the end part of the valve body 5, a second flange 21 is arranged at the end part of the pipeline 2, and a dismounting structure 3 is arranged between the first flange 51 and the second flange 21; the disassembly and assembly structure 3 comprises a fixing bolt 301, a clamping ring 302, a connecting block 303 and preformed holes 304, the connecting block 303 is uniformly fixed on the outer side walls of one side of the pipeline 2 and two sides of the valve body 5, the preformed holes 304 are formed in the connecting block 303, the fixing bolt 301 is movably arranged in each preformed hole 304, the clamping rings 302 are movably arranged on the outer side walls of two sides of the fixing bolt 301, the connecting block 303, the pipeline 2 and the valve body 5 are in a welding integrated structure, and the connecting block 303 is annularly distributed on the outer side walls of the pipeline 2 and the valve body 5;
specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, the fixing bolt 301 is sequentially inserted into the aligned prepared hole 304, then the retainer ring 302 is sequentially rotated to both sides of the fixing bolt 301, the fixing bolt 301 is fixed, and the installation can be completed for use, when the disassembly is required, the retainer ring 302 is sequentially rotated downwards from the fixing bolt 301, and then the fixing bolt 301 is taken out of the prepared hole 304, so that the pipeline 2 and the valve body 5 can be separated;
the pipeline 2 is arranged on one side of the dismounting structure 3, the second flange 21 is arranged at the end of the pipeline 2, the first flange 51 is arranged at the end of the valve body 5, the sealing structure 6 is further arranged between the first flange 51 and the second flange 21, the sealing structure 6 comprises an inner support clamping ring 601, a first sealing groove 602, a sealing ring 603 and a third sealing groove 604, the first sealing groove 602 is arranged on the end face of the second flange 21, the third sealing groove 604 is arranged on the end face of the first flange 51, the inner support clamping ring 601 is arranged inside the third sealing groove 604, one side of the inner support clamping ring 601 is fixedly connected with the end face of the first flange 51, the sealing ring 603 is arranged on the inner support clamping ring 601 and is attached to the first sealing groove 602 and the third sealing groove 604, a second sealing groove 605 is formed in the outer side wall of the inner support snap ring 601, the sealing ring 603 is clamped in the second sealing groove 605, and a clamping structure is formed between the inner support snap ring 601 and the third sealing groove 604;
specifically, as shown in fig. 3 and 4, when the mechanism is used, firstly, when the pipe 2 is connected with the valve body 5, the inner support snap rings 601 on the pipe 2 at two sides are clamped into the third seal groove 604 on the valve body 5, so that the pipe 2 and the valve body 5 are attached together, and when the pipe 2 and the valve body 5 are attached together, the seal ring 603 installed in the first seal groove 602 inside the inner support snap ring 601 enables the inner support snap ring 601 and the third seal groove 604 to be closely attached together, so that the sealing performance of the valve body 5 is greatly increased;
the middle position of the top end of the valve body 5 is provided with the rotating wheel 1, the interior of the valve body 5 is provided with the reinforcing structure 4, the reinforcing structure 4 comprises a fixing block 401, reinforcing ribs 402 and reinforcing rings 403, the reinforcing ribs 402 are uniformly arranged on the inner wall of the valve body 5, the reinforcing rings 403 are uniformly welded on the outer side walls of the reinforcing ribs 402, the fixing block 401 is uniformly welded between the reinforcing ribs 402 and the reinforcing rings 403, and the reinforcing rings 403 are distributed on the outer side walls of the reinforcing ribs 402 at equal intervals;
specifically, as shown in fig. 1, when the mechanism is used, firstly, the reinforcing ribs 402 inside the valve body 5 and the reinforcing rings 403 uniformly distributed on the outer side walls of the reinforcing ribs 402 greatly increase the strength inside the valve body 5, so that the valve body 5 is not easily damaged, and the service life of the valve body is effectively prolonged.
The working principle is as follows: when the valve is used, firstly, the valve body 5 is taken to a place needing to be used, then the two sides of the valve body 5 are butted with the pipelines 2, and the inner support clamping rings 601 on the pipelines 2 at the two sides are clamped into the third sealing groove 604 on the valve body 5, so that the pipelines 2 and the valve body 5 are attached together;
secondly, the pipeline 2 is rotated to align the pipeline 2 with a connecting block 303 on the valve body 5, then the fixing bolt 301 is sequentially inserted into the aligned prepared hole 304, the clamping rings 302 are sequentially rotated to two sides of the fixing bolt 301, the fixing bolt 301 is fixed to complete installation, and the opening and closing of the interior of the valve body 5 can be controlled by rotating the rotating wheel 1;
finally, the reinforcing ribs 402 inside the valve body 5 and the reinforcing rings 403 uniformly distributed on the outer side walls of the reinforcing ribs 402 greatly increase the strength inside the valve body 5, so that the valve body 5 is more durable, and the work of the high-temperature and high-pressure forged steel gate valve is finally completed.
Referring to fig. 5-9, further, a third sealing groove 604 is disposed on the first flange 51, the second flange 21 is provided with a first sealing groove 602, the third sealing groove 604 and the first sealing groove 602 are provided with sealing rings 603, because the sealing rings 603 are in an extrusion deformation state in the use process, so that it is deformed after a long time and the sealing effect is lowered, so that the structure of the sealing ring 603 is improved in the present invention, i.e., the width of the outer surface of the sealing ring 603 is smaller than the width of the inner surface, so that the cross-section of the sealing ring 603 is tapered, an annular cavity 6031 is arranged in the sealing ring 603, an annular rod 6032 is arranged in the annular cavity 6031, the annular rod 6032 is made of memory alloy, the inner surface of the third sealing groove 604 is provided with a slope corresponding to the sealing ring 603, and the cross sections of the annular cavity 6031 and the annular rod 6032 are both conical.
Because the sealing ring 603 is located in the two third sealing grooves 604, the sealing ring 603 is extruded while the inner annular rod 6032 is extruded, but the cross section of the annular rod 6032 is conical, so that the sealing ring has the function of deformation resistance, and moreover, the annular rod 6032 is made of memory alloy, so that the sealing ring 603 is free from deformation even if the sealing ring 603 is used for a long time, and the sealing effect is free from reduction.
Furthermore, in order to play the energy dissipation role for the pipeline 2 and the valve body 5, an auxiliary energy dissipation device 70 is arranged in the invention; the auxiliary energy dissipater 70 comprises two fastening solids 701, a middle plate 702 and a bottom plate 703, wherein the lower surface of the middle plate 702 is provided with a first groove 704 and a plurality of inner insertion holes 705, the bottom plate 703 is provided with a cylindrical block 706 corresponding to the first groove 704 and a first vertical telescopic rod 707 corresponding to the inner insertion holes 705, a first wear-resistant elastic sheet 708 is arranged between the middle plate 702 and the bottom plate 703, the upper surface of the middle plate 702 is provided with a lower energy dissipation part corresponding to the fastening solids 701, the lower energy dissipation part comprises a lower fastening body 709, two lower supporting blocks 710, two second grooves 711 and two second vertical telescopic rods 712, the two second grooves 711 are located between the two second vertical telescopic rods 712, the lower supporting blocks 710 are arranged in the second grooves 711, and the lower fastening body 709 is arranged in the two lower supporting blocks 710, two telescopic clamping plates 713 are arranged on the lower supporting block 710, a third groove is formed between the two telescopic clamping plates 713, a second wear-resistant elastic sheet for supporting the lower fastening body 709 is arranged in the third groove, a telescopic groove 714 is arranged on the lower supporting block 710, an inner top spring 715 is arranged in the telescopic slot 714, the bottom of the telescopic clamp plate 713 is positioned in the telescopic slot 714 and is connected with the upper end of the inner top spring 715, the end of the tightening solid 701 is provided with a fourth groove 716 and an inverted L-shaped stop 717, a third wear-resistant elastic sheet 718 is arranged between the end of the lower fastening body 709 and the L-shaped stop lever 717, the end of the lower fastening body 709 extends into the fourth recess 716 and is connected with the tightening solid 701 by means of a fixing screw 719, the end of the lower fastening body 709 is connected to the middle plate 702 through the second vertical extension rod 712.
The auxiliary energy dissipater 70 is mounted on the pipeline 2 and the valve body 5, the two tightening solids 701 are respectively connected with the two lower fastening bodies 709 and are located at the side of the second flange 21 of the first flange 51, specifically, the lower fastening bodies 709 are fixedly connected with the tightening solids 701 through fixing screws 719 and are further fixed on the pipeline 2 and the valve body 5, the middle plate 702 is provided with a second groove 711, the lower support block 710 is arranged in the second groove 711, the pipeline 2 presses the lower support block 710 on the lower support block 710 into the telescopic groove 714, the telescopic clamp plate 713 presses the inner top spring 715 in the telescopic groove 714 downwards, and the pipeline 2 contacts the lower fastening bodies 709, and the two telescopic clamp plates 713 play a role in protecting and supporting the second wear-resistant elastic sheet 720 and the pipeline 2; meanwhile, the end of the lower fastening body 709 prevents the lower fastening body 709 from deforming in the horizontal direction due to the supporting effect of the third wear-resistant elastic sheet 718 and the L-shaped stop rod 717, the lower fastening body 709 moves downwards and is compressed to the second vertical telescopic rod 712, and the second vertical telescopic rod 712 also plays a role in supporting the lower fastening body 709, so that the telescopic clamp plate 713, the second vertical telescopic rod 712 and the second wear-resistant elastic sheet 320 play a role in energy dissipation and vibration reduction while the upper fastening body 701 and the lower fastening body 709 fix the pipeline 2; the lower surface of the middle flat plate 702 is provided with a first groove 704 and a plurality of inner inserting holes 705, the bottom plate 703 is provided with a cylindrical block 706 corresponding to the first groove 704 and a first vertical telescopic rod 707 corresponding to the inner inserting holes 705, and then the bottom plate 703 plays a role in supporting, dissipating energy and reducing vibration for the middle flat plate 702.
Further, the vertical telescopic link 712 of second includes flexible cover 7121, flexible interior pole 7122, first spring 7123 and second spring 7124, flexible cover 7121 is connected on the dull and stereotyped 702 of centre, first spring 7123 sets up in the flexible cover 7121, the lower extreme of flexible interior pole 7122 is located in the flexible cover 7121 and connect the upper end of first spring 7123, the upper end of flexible interior pole 7122 is located in the through-hole 7091 of lower fastener 709, be provided with on the flexible interior pole 7122 and keep off ring 7125, the second spring 7124 sets up keep off ring 7125 with on the flexible interior pole 7122 between the flexible cover 7121.
When the second vertical telescopic rod 712 is vibrated up and down, the tightening solid 701 and the lower fastening body 709 extrude the baffle ring 7125 on the second vertical telescopic rod 712, so that the telescopic inner rod 7122 in the second vertical telescopic rod 712 is compressed downwards, the first spring 7123 and the second spring 7124 are compressed simultaneously, the generated vibration is subjected to energy dissipation and vibration reduction, and then under the reset action of the first spring 7123 and the second spring 7124, the second vertical telescopic rod 712 resets upwards to the original position and also plays a role in energy dissipation and vibration reduction to the upward vibration.
Further, a wear-resistant elastic sleeve 7092 is arranged in the through hole 7091, and the wear-resistant elastic sleeve 7092 is sleeved on the upper end of the telescopic inner rod 7122.
Because the pipeline 2 and the valve body 5 are difficult to avoid transverse vibration, and the upper end of the telescopic inner rod 7122 extends into the through hole 7091, the transverse vibration of the pipeline 2 can generate transverse shearing force on the telescopic inner rod 7122, so that the wear-resistant elastic sleeve 7092 is designed in the through hole 7091, and the wear-resistant elastic sleeve 7092 can reduce the effect of the transverse shearing force on the telescopic inner rod 7122, thereby playing a role in protection.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. A high-temperature and high-pressure forged steel gate valve comprises a runner (1), a pipeline (2) and a valve body (5), and is characterized in that a first flange (51) is arranged at the end of the valve body (5), a second flange (21) is arranged at the end of the pipeline (2), a dismounting structure (3) is arranged between the first flange (51) and the second flange (21), the pipeline (2) is arranged on one side of the dismounting structure (3), a sealing structure (6) is further arranged between the first flange (51) and the second flange (21), the sealing structure (6) comprises an inner support clamping ring (601), a first sealing groove (602), a sealing ring (603) and a third sealing groove (604), the first sealing groove (602) is arranged on the end face of the second flange (21), the third sealing groove (604) is arranged on the end face of the first flange (51), the inner supporting clamping rings (601) are arranged inside the third sealing grooves (604), one sides of the inner supporting clamping rings (601) are fixedly connected with the end face of the first flange (51), the sealing rings (603) are arranged on the inner supporting clamping rings (601) and are attached to the first sealing groove (602) and the third sealing groove (604), the rotating wheel (1) is installed in the middle of the top end of the valve body (5), and the reinforcing structure (4) is arranged inside the valve body (5);
the width of sealing washer (603) surface is less than the width of internal surface, makes the transversal toper of personally submitting of sealing washer (603), be provided with annular chamber (6031) in sealing washer (603), be provided with annular pole (6032) in annular chamber (6031), annular pole (6032) have memory alloy to make, the internal surface of third seal groove (604) be provided with the slope that sealing washer (603) correspond, and the cross section of annular chamber (6031), annular pole (6032) is the toper.
2. The high-temperature high-pressure forged steel gate valve according to claim 1, wherein a second sealing groove (605) is formed in an outer side wall of the inner support clamping ring (601), the sealing ring (603) is clamped in the second sealing groove (605), and a clamping structure is formed between the inner support clamping ring (601) and the third sealing groove (604).
3. The high-temperature high-pressure forged steel gate valve according to claim 1, wherein the dismounting structure (3) comprises a fixing bolt (301), a clamping ring (302), a connecting block (303) and a reserved hole (304), the connecting block (303) is uniformly fixed on the outer side walls of one side of the pipeline (2) and two sides of the valve body (5), the reserved hole (304) is formed in the connecting block (303), the fixing bolt (301) is movably arranged in the reserved hole (304), and the clamping ring (302) is movably arranged on the outer side walls of two sides of the fixing bolt (301).
4. The gate valve of high-temperature high-pressure forged steel according to claim 3, wherein the connecting blocks (303) are welded with the pipeline (2) and the valve body (5) to form an integral structure, and the connecting blocks (303) are annularly distributed on the outer side walls of the pipeline (2) and the valve body (5).
5. The gate valve of high-temperature high-pressure forged steel according to claim 1, wherein the reinforcing structure (4) comprises a fixing block (401), reinforcing ribs (402) and reinforcing rings (403), the reinforcing ribs (402) are uniformly arranged on the inner wall of the valve body (5), and the reinforcing rings (403) are uniformly welded on the outer side walls of the reinforcing ribs (402).
6. The gate valve of high-temperature high-pressure forged steel according to claim 5, wherein fixing blocks (401) are uniformly welded between the reinforcing ribs (402) and the reinforcing rings (403), and the reinforcing rings (403) are distributed on the outer side walls of the reinforcing ribs (402) at equal intervals.
7. The gate valve of high-temperature high-pressure forged steel according to claim 1, further comprising an auxiliary energy dissipater (70), wherein the auxiliary energy dissipater (70) comprises two tightening solids (701), an intermediate flat plate (702) and a bottom plate (703), a lower surface of the intermediate flat plate (702) is provided with a first groove (704) and a plurality of inner insertion holes (705), the bottom plate (703) is provided with a cylindrical block (706) corresponding to the first groove (704) and a first vertical telescopic rod (707) corresponding to the inner insertion holes (705), a first wear-resistant elastic sheet (708) is arranged between the intermediate flat plate (702) and the bottom plate (703), an upper surface of the intermediate flat plate (702) is provided with a lower energy dissipater corresponding to the tightening solids (701), and the lower energy dissipater comprises a lower fastening body (709), two lower supporting blocks (710), and a plurality of inner insertion holes (705), Two second grooves (711) and two second vertical telescopic rods (712), wherein the two second grooves (711) are located between the two second vertical telescopic rods (712), the lower supporting block (710) is arranged in the second grooves (711), the lower fastening body (709) is arranged in the two lower supporting blocks (710), the lower supporting block (710) is provided with two telescopic splints (713), a third groove is arranged between the two telescopic splints (713), a second wear-resistant elastic sheet (320) supporting the lower fastening body (709) is arranged in the third groove, the lower supporting block (710) is provided with a telescopic groove (714), an inner top spring (715) is arranged in the telescopic groove (714), the bottom of the telescopic splint (713) is located in the telescopic groove (714) and connected with the upper end of the inner top spring (715), the end of the tightening solid (701) is provided with a fourth groove (716) and an inverted L-shaped stop rod (717), the end part of the lower fastening body (709) and the L-shaped stop lever (717) are provided with a third wear-resistant elastic sheet (718), the end part of the lower fastening body (709) extends into the fourth groove (716) and is connected with the tightening solid body (701) through a fixing screw (719), and the end part of the lower fastening body (709) is connected with the middle flat plate (702) through the second vertical telescopic rod (712).
8. The gate valve of high-temperature high-pressure forged steel according to claim 7, wherein the second vertical telescopic rod (712) comprises a telescopic sleeve (7121), a telescopic inner rod (7122), a first spring (7123) and a second spring (7124), the telescopic sleeve (7121) is connected to the middle flat plate (702), the first spring (7123) is arranged in the telescopic sleeve (7121), the lower end of the telescopic inner rod (7122) is arranged in the telescopic sleeve (7121) and connected to the upper end of the first spring (7123), the upper end of the telescopic inner rod (7122) is arranged in the through hole (7091) of the lower fastening body (709), a baffle ring (7125) is arranged on the telescopic inner rod (7122), and the second spring (7124) is arranged on the baffle ring (7125) and the telescopic inner rod (7122) between the telescopic sleeve (7121).
9. The gate valve made of the high-temperature high-pressure forged steel according to claim 8, wherein a wear-resistant elastic sleeve (7092) is arranged in the through hole (7091), and the wear-resistant elastic sleeve (7092) is sleeved on the upper end of the telescopic inner rod (7122).
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| CN202010766296.3A CN111911688B (en) | 2020-08-03 | 2020-08-03 | High-temperature high-pressure forged steel gate valve |
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| CN202010766296.3A CN111911688B (en) | 2020-08-03 | 2020-08-03 | High-temperature high-pressure forged steel gate valve |
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| CN111911688B true CN111911688B (en) | 2021-08-13 |
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| CN208417874U (en) * | 2018-11-05 | 2019-01-22 | 泰州市超威机电设备制造有限公司 | A kind of ring flange |
| CN210860200U (en) * | 2019-10-23 | 2020-06-26 | 深圳市烨通科技有限公司 | Connecting flange with good sealing performance |
| CN210978869U (en) * | 2019-10-08 | 2020-07-10 | 江西洪都航空工业集团有限责任公司 | Sealing structure for bleed air pipeline of aero-engine |
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|---|---|---|---|---|
| US4449694A (en) * | 1980-11-10 | 1984-05-22 | Nibco, Inc. | Blocked ball valve |
| CN206159664U (en) * | 2016-10-10 | 2017-05-10 | 樊霞霞 | Hydraulic engineering pipeline bearing structure |
| CN207830596U (en) * | 2018-01-05 | 2018-09-07 | 浙江宝丰阀门有限公司 | A kind of forged steel gate valve of good airproof performance |
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