CN113551056B - Horizontal shaft top-mounted pipe cleaning valve - Google Patents
Horizontal shaft top-mounted pipe cleaning valve Download PDFInfo
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- CN113551056B CN113551056B CN202110926189.7A CN202110926189A CN113551056B CN 113551056 B CN113551056 B CN 113551056B CN 202110926189 A CN202110926189 A CN 202110926189A CN 113551056 B CN113551056 B CN 113551056B
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0626—Easy mounting or dismounting means
- F16K5/0636—Easy mounting or dismounting means the spherical plug being insertable from the top of the housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/163—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
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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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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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
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
- F16K43/001—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a horizontal shaft top-mounted pipe cleaning valve, which comprises a valve body, a ball body, a valve cover, a valve seat, an opening and closing sealing mechanism, an opening and closing interlocking mechanism, a rotating mechanism and a ball body control mechanism, wherein the upper end of the valve body is provided with a loading and unloading port, and the ball body and the valve seat are both loaded into the valve body through the loading and unloading port; the valve cover is fixed on the valve body, an opening and closing hole is formed in the valve cover, and the opening and closing sealing mechanism is fixed on the valve cover; the opening-closing interlocking mechanism is fixed on the valve cover, and the rotating mechanism is fixed on the valve cover; the sphere control mechanism comprises a valve rod and a fixed shaft, and the valve rod and the fixed shaft are matched to control the sphere to rotate. The invention can ensure that the ball body, the pipe cleaner and the valve internal part are all arranged in the valve body from the top, truly realizes a top-mounted structure, simplifies the structure of the pipe cleaning valve, reduces the whole weight of the pipe cleaning valve, improves the whole sealing performance of the pipe cleaning valve, realizes convenient collection and release operations of pipe cleaners with various sizes and weights, and simultaneously satisfies the real online maintenance function.
Description
Technical Field
The invention belongs to the field of special equipment for pipeline transportation, and particularly relates to a horizontal shaft top-mounted type pipe cleaning valve.
Background
The pipe cleaning valve is an important device for cleaning and sending or receiving a pipe cleaner, and to ensure high efficiency and stability of pipe cleaning, the pipe cleaning valve needs to be strictly regulated according to standards to ensure that the pipe cleaning valve can be filled or received with the pipe cleaner with the diameter of about 1.1-1.5 times of the enough length. The effective length of the ball flow hole of the pipe cleaning valve minus the blocking rib is not smaller than the length of the pipe cleaner, so that the diameter of the ball of the pipe cleaning valve is large, and the overall shape and the size of the pipe cleaning valve are also large. In particular to a large-caliber pipeline cleaning valve, and the material energy consumption cost for manufacturing the valve is very high due to the large size.
The prior art with Chinese patent publication number CN2867004Y discloses a top-mounted valve for cleaning pipes in 2/7/2007, which comprises a valve cover, a valve body, a ball body and a manual operator, wherein the ball body is arranged from the top of the valve body, the valve body is connected with the valve cover through a nut stud, and the valve body is sealed with the valve cover through a gasket and an O-shaped sealing ring; the center of the valve cover is embedded with a shaft sleeve, the upper end of the ball body is connected with the shaft sleeve through a sliding bearing, the valve rod is placed into an introduction hole at the upper end of the ball body, the lower end of the ball body is fixed at the lower end of the valve body through the sliding bearing, and a valve seat supporting ring, a sealing ring and a spiral spring are arranged between the ball body and the valve body; the manual operator is fixed on the connecting support tube seat through a nut stud, and the connecting support tube seat is fixed on the shaft sleeve and the valve cover through the nut stud. Compared with the pigging valve with a side-loading sphere structure in the prior art, the pigging valve adopts the structure with the top-loading sphere, so that the volume and the manufacturing cost of the valve body are reduced. However, this patent requires a separate pig receiving port to be provided on the side of the valve body, and has drawbacks such as complicated structure, heavy weight, and high cost, as well as a drawback of difficulty in receiving the pig.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide the horizontal shaft top-mounted type pipe cleaning valve, which can enable a ball body, a pipe cleaner and a valve internal part to be filled into a valve body from the top, so that a top-mounted structure is truly realized, meanwhile, the structure of the pipe cleaning valve is simplified, the overall weight of the pipe cleaning valve is reduced, and the overall sealing performance of the pipe cleaning valve is improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a horizontal shaft top-mounted type pipe cleaning valve which is characterized in that: the valve comprises a valve body, a ball body, a valve cover, a valve seat, an opening and closing sealing mechanism, an opening and closing interlocking mechanism, a rotating mechanism and a ball body control mechanism, wherein the upper end of the valve body is provided with a loading and unloading port, the ball body and the valve seat are respectively arranged in the valve body through the loading and unloading port, the valve seat is symmetrically arranged at the inlet end and the outlet end of the valve body, and the ball body is arranged between the valve seats; the valve cover is fixed on the valve body and used for sealing the loading and unloading opening, an opening and closing hole is formed in the valve cover, and the opening and closing sealing mechanism is fixed on the valve cover and used for sealing the opening and closing hole; the opening and closing interlocking mechanism is fixed on the valve cover and used for locking the opening and closing sealing mechanism, and the rotating mechanism is fixed on the valve cover and used for controlling the rotation of the opening and closing sealing mechanism; the ball control mechanism comprises a valve rod and a fixed shaft, and the valve rod is transversely connected to the valve body through a bearing and fixedly connected with the ball; the fixed shaft is transversely fixed on the valve body and movably connected with the ball body, and the valve rod and the fixed shaft are matched to control the ball body to rotate.
The opening-closing sealing mechanism comprises a quick-opening blind plate, a jaw baffle, a screw rod and a sealing ring, wherein the sealing ring is fixed in an opening hole, the jaw baffle is fixed above a valve cover, the quick-opening blind plate is fixed above the sealing ring through the jaw baffle, and a sealing ring surface matched and sealed with the sealing ring is arranged on the lower surface of the quick-opening blind plate; the side surface of the quick-opening blind plate is provided with an anti-rotation pin hole, and the opening-closing interlocking mechanism locks the opening-closing sealing mechanism through the anti-rotation pin hole; the screw rod is fixed on the upper surface of the quick-opening blind plate, and the rotating mechanism controls the quick-opening blind plate to rotate through the screw rod.
An upper O-shaped groove and a side O-shaped groove are respectively arranged in the middle of the upper end face and the outer side face of the sealing ring, an air inlet hole communicated with the interior of the valve body is formed in the bottom of the upper O-shaped groove, and O-shaped sealing rings are arranged in the upper O-shaped groove and the side O-shaped groove; the lower part of the outer side surface of the sealing ring is provided with a circumferential concave spigot, and the lower end of the sealing ring is provided with a transverse through hole which is respectively communicated with the circumferential concave spigot and the inside of the valve body.
The quick-opening blind plate is provided with a rotating handle, an opening indicating needle, a closing indicating needle and a convex tooth matched with the jaw baffle, and the jaw baffle is provided with a switch position pointer and a closing limiting pin.
The inside of the opening hole is provided with a step surface, and the sealing ring and the quick-opening blind plate are respectively fixed on the step surface.
The opening-closing interlocking mechanism comprises an interlocking valve, a handle, a cam limiting piece, a spring and a reducing lock pin, wherein the interlocking valve is fixed on a valve cover; the spring is arranged in the step hole of the valve cover, the large end of the variable-diameter lock pin is matched with the cam limiting piece, and the small end of the variable-diameter lock pin penetrates through the spring to be matched with the anti-rotation pin hole to lock the quick-opening blind plate.
The rotating mechanism comprises a rotating shaft, a connecting arm and a rotating limiting piece, the rotating shaft is rotationally connected to the valve cover, the rotating limiting piece is fixed on the rotating shaft and used for limiting the rotating shaft, one end of the connecting arm is in threaded connection with the screw rod, and the other end of the connecting arm is fixedly connected with the rotating shaft.
The upper part of the valve body is provided with a blow-down valve, the bottom of the valve body is provided with a blow-down valve, and the valve cover is provided with a pressure gauge.
The horizontal shaft top-mounted pipe cleaning valve further comprises a hoisting mechanism, the hoisting mechanism comprises a fixed vertical shaft, a cross beam, reinforcing ribs, a traction wire, a rotating sleeve and an explosion-proof manual hoist, the lower end of the fixed vertical shaft is fixed on a valve cover, the rotating sleeve is movably sleeved at the upper end of the fixed vertical shaft, the cross beam is fixed on the rotating sleeve, the reinforcing ribs are fixed between the cross beam and the rotating sleeve, the explosion-proof manual hoist is connected to the cross beam, and the traction wire is connected to the explosion-proof manual hoist.
The invention has the advantages that:
1. according to the invention, through the loading and unloading port arranged at the upper end of the valve body, the ball body and the valve internal part can be loaded into the valve body from the top of the valve body, and a top-loading structure is truly realized. Through the opening and closing hole of setting on the valve bonnet for the pig can be through the opening and closing hole of top into the ball, realized the roof-loading of pig. Through valve rod and the fixed axle that transversely set up for spheroidal stability is simple and convenient more. Through the cooperation of these structures, need not to set up the receiving and dispatching port and the corresponding subassembly of pig alone, the overall structure of clear tube valve is more retrencied, can effectively reduce the whole weight of clear tube valve, has realized that the pig of various sizes, weight receive and releases the operation all conveniently, has satisfied real online maintenance function simultaneously. Specifically, the valve assembly manufacturing costs can be reduced by more than about 15%, and in particular the weight of the valve body assembly by about 16-21% (relative to the values obtained by comparison of the same gauge, with the pressure levels 20 "to 32"). In addition, the unique opening and closing sealing mechanism is more beneficial to improving the sealing performance of the valve, and the opening and closing sealing mechanism can be safely locked through the opening and closing interlocking mechanism, so that the safety accident caused by the fact that the opening and closing sealing mechanism is opened by misoperation is prevented. Can rotate the valve gap one side with switching sealing mechanism when receiving and releasing the pig through slewing mechanism, be favorable to receiving or sending fast of pig, convenient operation.
2. The invention adopts the quick-opening blind plate, the jaw baffle, the screw rod and the sealing ring as the opening-closing sealing mechanism, and has the advantages of simple structure, convenient operation, low cost, good sealing effect and the like.
3. According to the quick-opening blind plate, the O-shaped sealing ring on the upper end surface of the sealing ring can form plane sealing with the sealing ring surface of the quick-opening blind plate, and the O-shaped sealing ring in the middle of the outer side surface can form sealing with the valve cover, so that the sealing effect is effectively improved. Further, through the air inlet hole which is formed in the bottom of the upper O-shaped groove and is communicated with the inside of the valve body, the pressure in the valve body can enter the upper O-shaped groove and push the upper O-shaped sealing ring to the obliquely upper side, so that the O-shaped sealing ring is in contact with the quick-opening blind plate more tightly, and the sealing effect between the sealing ring and the quick-opening blind plate is improved. And through the transverse through holes which are arranged at the lower end of the sealing ring and are respectively communicated with the annular concave spigot and the interior of the valve body, the pressure in the valve body can enter the concave spigot and act on the O-shaped sealing ring in the side O-shaped groove, so that the O-shaped sealing ring is in contact with the valve cover more tightly, and the sealing effect between the sealing ring and the valve cover is improved.
4. The invention is beneficial to rapidly realizing the opening and closing of the quick-opening blind plate by rotating the handle. Through the cooperation of closing position spacer pin, open position pilot pin, close position pilot pin and switch position pointer, be favorable to preventing that operating personnel maloperation from leading to the part damage. The quick-opening blind plate is favorable for stable fixation through the convex teeth.
5. According to the invention, the unlocking and locking mechanism can be used for adding a heavy locking safety to the unlocking and locking of the quick-opening blind plate, when the medium pressure exists in the valve cavity, an operator cannot unlock the quick-opening blind plate, namely, the quick-opening blind plate cannot be unlocked in a locking state, so that the damage to human bodies and equipment caused by misoperation is prevented, and the operation safety is improved. The opening and closing interlocking mechanism mainly comprises an interlocking valve, a handle, a cam limiting piece, a spring and a reducing lock pin, and has the advantages of simple structure, convenient operation, low cost, good locking effect and the like.
6. According to the invention, the opening and closing sealing mechanism can be rotated to one side of the valve cover by the rotating mechanism when the pipe cleaner is retracted, so that the quick retraction of the pipe cleaner is facilitated, and the pipe cleaning efficiency is improved. The quick-opening blind plate can only rotate in a limited angle range by rotating the limiting piece, so that the quick-opening blind plate can be prevented from being collided with other parts (such as a pressure gauge, an interlocking valve and the like) which are protruded when the quick-opening blind plate rotates out.
7. According to the invention, components such as the ball body, the pipe cleaner and the like can be quickly put into the valve body or taken out from the valve body through the hoisting mechanism, so that the pipe cleaning valve is more labor-saving, more efficient and more convenient to assemble and use.
Drawings
FIG. 1 is a schematic diagram showing the front view of the valve in embodiment 1;
FIG. 2 is a schematic side view of the valve in example 1;
FIG. 3 is a schematic view showing the structure of the opening/closing seal mechanism and the rotating mechanism on the valve cover in embodiment 1;
FIG. 4 is a schematic structural diagram of a quick-opening blind plate in embodiment 1;
FIG. 5 is a schematic view of the structure of the jaw baffle in embodiment 1;
FIG. 6 is a schematic diagram of the structure of the quick-opening blind flange in example 1 when the blind flange is rotated out of the valve cover;
FIG. 7 is a schematic view of the structure of the quick-opening blind flange in accordance with example 1;
FIG. 8 is a schematic diagram showing the sealing structure of the sealing ring at H in embodiment 1 and the valve cover and the quick-opening blind plate, respectively;
FIG. 9 is an enlarged schematic view of the structure shown at I in FIG. 8;
FIG. 10 is a schematic structural view of a seal ring in embodiment 1;
FIG. 11 is a schematic view of the structure of the embodiment 1 in which the opening/closing interlocking mechanism locks the quick-opening blind plate;
FIG. 12 is a schematic view of the structure of the embodiment 1 in which the opening/closing interlocking mechanism does not lock the quick-opening blind plate;
FIG. 13 is a schematic structural view of a sphere control mechanism in embodiment 1;
FIG. 14 is a schematic side view of the structure of embodiment 2;
marked in the figure as: 1. the valve comprises a valve body, 2, a ball body, 3, a valve cover, 4, a valve seat, 5, an opening and closing sealing mechanism, 6, an opening and closing interlocking mechanism, 7, a rotating mechanism, 8, a ball body control mechanism, 9, a hoisting mechanism, 10, a loading and unloading port, 11, a blow-down valve, 12, a blow-down valve, 13 and a pressure gauge;
5.1, a quick-opening blind plate, 5.2, a jaw baffle, 5.3, a screw rod, 5.4, a sealing ring, 5.5, a sealing ring surface, 5.6, an anti-rotation pin hole, 5.7, a rotating handle, 5.8, an opening indicating needle, 5.9, a closing indicating needle, 5.10, a convex tooth, 5.11, a switching position pointer, 5.12, a closing limiting pin, 5.13, an upper O-shaped groove, 5.14, a side O-shaped groove, 5.15, an air inlet hole, 5.16, a circumferential concave spigot, 5.17 and a transverse through hole;
6.1 parts of interlocking valve, 6.2 parts of handle, 6.3 parts of cam limiting piece, 6.4 parts of spring, 6.5 parts of reducing lock pin;
7.1 parts of rotating shaft, 7.2 parts of connecting arm, 7.3 parts of rotating limiting piece;
8.1, a valve rod, 8.2, a valve rod sliding bearing, 8.3, a sphere sliding bearing, 8.4, an electrostatic spring, 8.5, a valve rod thrust gasket, 8.6, a grease injection valve, 8.7, a front cover, 8.8, an O-shaped ring, 8.9, a fixed shaft, 8.10, a metal winding gasket, 8.11, a fireproof graphite filler, 8.12, an actuator assembly, 8.13, a flat key, 8.14, a connecting disc, 8.15 and a spring gasket;
9.1 parts of fixed vertical shafts, 9.2 parts of cross beams, 9.3 parts of reinforcing ribs, 9.4 parts of traction wires, 9.5 parts of rotating sleeves and 9.6 parts of explosion-proof manual hoist.
Detailed Description
Example 1
The embodiment provides a horizontal shaft top-mounted pipe cleaning valve, as shown in fig. 1 and 2, comprising a valve body 1, a ball body 2, a blow-down valve 11, a blow-down valve 12, a pressure gauge 13, a valve cover 3, a valve seat 4, an opening and closing sealing mechanism 5, an opening and closing interlocking mechanism 6, a rotating mechanism 7 and a ball body control mechanism 8, wherein the positions and connection relations of the components are as follows:
the upper end of the valve body 1 is provided with a loading and unloading port 10, the caliber of the loading and unloading port 10 is slightly larger than the outer diameter of the ball body 2, the ball body 2 and the valve seat 4 are both arranged in the valve body 1 through the loading and unloading port 10, the valve seat 4 is provided with a pull rod hole, the valve seat 4 is symmetrically arranged at the upstream inlet end and the downstream outlet end of the valve body 1, and the ball body 2 is positioned between the valve seats 4.
The valve cover 3 is fixed on the valve body 1 and used for sealing the loading and unloading port 10, the valve cover 3 can be arranged to be of a structure with a convex cross section, the convex structure is convenient for realizing reasonable functional designs of sealing, interlocking, lifting, pressure detection and the like of a quick blind plate, and the valve cover is minimum in relative external dimension and low in cost. The valve cover 3 is provided with an opening and closing hole, and the quick putting-in and taking-out of the pipe cleaner can be realized by opening or closing the opening and closing hole.
The opening and closing sealing mechanism 5 is fixed on the valve cover 3 and used for sealing the opening and closing holes, and as shown in fig. 3-7, the specific structure of the opening and closing sealing mechanism 5 is as follows: including quick-opening blind plate 5.1, jaw baffle 5.2, lead screw 5.3 and sealing ring 5.4, be provided with upper and lower two-stage step face in the opening and closing hole, sealing ring 5.4 is placed on the lower level step face in the opening and closing hole, and jaw baffle 5.2 passes through the bolt fastening and forms jaw draw-in groove in valve gap 3 top, is provided with on jaw baffle 5.2 and closes position pointer 5.11 and closes position spacer pin 5.12. The quick-opening blind plate 5.1 is fixed on an upper step surface above the sealing ring 5.4 through a jaw baffle plate 5.2, a rotating handle 5.7, an opening indicating needle 5.8 and a closing indicating needle 5.9 are arranged on the upper surface of the quick-opening blind plate 5.1, the rotating handle 5.7 is used for rotating the quick-opening blind plate 5.1, and the opening indicating needle 5.8 and the closing indicating needle 5.9 are matched with the opening and closing indicating needle 5.11 and are used for indicating the positions of the quick-opening blind plate 5.1 when being opened and closed; the side surface of the quick-opening blind plate 5.1 is provided with a convex tooth 5.10 matched with the jaw baffle plate 5.2 for clamping the quick-opening blind plate 5.1; the lower surface of the quick-opening blind plate 5.1 is provided with a sealing ring surface 5.5 matched and sealed with the sealing ring 5.4, and an effective seal is formed between the opposite-opening blind plate and the sealing ring 5.4. As shown in fig. 8 and 9, the specific structure of the seal ring 5.4 is: an upper O-shaped groove 5.13 and a side O-shaped groove 5.14 are respectively arranged in the middle of the upper end face and the outer side face of the sealing ring 5.4, an air inlet hole 5.15 communicated with the interior of the valve body 1 is formed in the bottom of the upper O-shaped groove 5.13, O-shaped sealing rings are arranged in the upper O-shaped groove 5.13 and the side O-shaped groove 5.14, the O-shaped sealing rings in the upper O-shaped groove 5.13 and the sealing ring face 5.5 of the quick-opening blind plate 5.1 form plane sealing, and the O-shaped sealing rings in the side O-shaped groove 5.14 and the valve cover 3 form sealing; the lower part of the outer side surface of the sealing ring 5.4 is provided with a circumferential concave spigot 5.16, and the lower end of the sealing ring 5.4 is provided with a transverse through hole 5.17 which is respectively communicated with the circumferential concave spigot 5.16 and the interior of the valve body 1.
Further, as shown in fig. 4, 8 and 9, the side surface of the quick-opening blind plate 5.1 is provided with an anti-rotation pin hole 5.6, and the opening-closing interlocking mechanism 6 locks the opening-closing sealing mechanism 5 through the anti-rotation pin hole 5.6. As shown in fig. 3, 6 and 7, the screw rod 5.3 is fixed on the upper surface of the quick-opening blind plate 5.1, and the rotating mechanism 7 can control the quick-opening blind plate 5.1 to rotate to one side of the valve body 1 through the screw rod 5.3 after the quick-opening blind plate 5.1 is separated from the jaw baffle plate 5.2, so that the opening and closing holes of the valve cover 3 are exposed, and the putting in and taking out of a pig are facilitated.
The opening and closing interlocking mechanism 6 is fixed on the valve cover 3 and used for locking the opening and closing sealing mechanism 5, and as shown in fig. 11 and 12, the specific structure of the opening and closing interlocking mechanism 6 is as follows: the automatic valve comprises an interlocking valve 6.1, a handle 6.2, a cam limiting piece 6.3, a spring 6.4 and a reducing lock pin 6.5, wherein the interlocking valve 6.1 is fixed on a valve cover 3, the handle 6.2 and the cam limiting piece 6.3 are both fixed on the interlocking valve 6.1, and the cam limiting piece 6.3 is controlled to rotate by the handle 6.2; the spring 6.4 is arranged in the step hole of the valve cover 3, the large end of the variable-diameter lock pin 6.5 is matched with the cam limiting piece 6.3, and the small end penetrates through the spring 6.4 to be matched with the anti-rotation pin hole 5.6 to lock the quick-opening blind plate 5.1. The specific matching locking process comprises the following steps: under the action of the spring 6.4, the large end of the variable-diameter lock pin 6.5 is abutted on the cam limiting piece 6.3, the rotating handle 5.7 drives the cam limiting piece 6.3 to be linked, the position of the large end of the variable-diameter lock pin 6.5 on the cam limiting piece 6.3 is changed, and the small end of the variable-diameter lock pin 6.5 can extend into or extend out of the anti-rotation pin hole 5.6, so that locking and unlocking of the quick-opening blind plate 5.1 are realized.
The rotating mechanism 7 is fixed on the valve cover 3 and used for controlling the rotation of the opening and closing sealing mechanism 5, and after the quick-opening blind plate 5.1 is separated from the jaw baffle 5.2, the quick-opening blind plate 5.1 is controlled to rotate to one side of the valve body 1 through the screw rod 5.3, so that the opening and closing holes of the valve cover 3 are exposed, and the pipe cleaner is conveniently put in and taken out. As shown in fig. 3, 6 and 7, the specific structure of the rotation mechanism 7 is as follows: including pivot 7.1, linking arm 7.2 and rotation spacing piece 7.3, pivot 7.1 rotates to be connected on valve gap 3, rotates spacing piece 7.3 and is used for spacing pivot 7.1 on pivot 7.1, and linking arm 7.2 is triangle-shaped structure, and linking arm 7.2's one end and lead screw 5.3 threaded connection, the other end and pivot 7.1 fixed connection. When the quick-opening blind plate 5.1 is separated from the jaw baffle 5.2, the quick-opening blind plate 5.1 can be rotated to one side of the valve body 1 by moving the rotating handle 5.7 or the connecting arm 7.2.
The ball control mechanism 8 comprises a valve rod 8.1 and a fixed shaft 8.9, and as shown in fig. 13, the valve rod 8.1 is transversely connected to the valve body 1 through a bearing and fixedly connected with the ball 2; the fixed shaft 8.9 is transversely fixed on the valve body 1 and movably connected with the ball body 2, and the valve rod 8.1 and the fixed shaft 8.9 are matched to control the ball body 2 to rotate. Further, the sphere control mechanism 8 further comprises the following fittings: valve rod sliding bearing 8.2, sphere sliding bearing 8.3, electrostatic spring 8.4, valve rod thrust pad 8.5, grease injection valve 8.6, front cover 8.7, O-ring 8.8, fixed axle 8.9, metal winding pad 8.10, fireproof graphite packing 8.11, actuator assembly 8.12, flat key 8.13, connecting disc 8.14, spring washer 8.15, bolt, screw, etc. During assembly, the grease injection valve 8.6 is arranged on the front cover 8.7 outside the sealing section of the valve rod 8.1, the flat square at the large end of the valve rod 8.1 is connected with the ball body 2, and the driving end is connected with the actuator assembly 8.12 through the flat key 8.13. The static spring 8.4 is arranged at the excircle and the flat square of the big end of the valve rod 8.1, and static generated by friction between the valve rod 8.1 and the O-shaped ring 8.8 and between the ball body 2 and the valve seat 4 can be transferred to the valve body 1, and then the valve body is grounded to remove static. A valve rod thrust gasket 8.5 is arranged between a boss of the valve rod 8.1 and the front cover 8.7, so that axial friction force generated by the valve rod 8.1 outwards by pressure is reduced. The middle parts of the ball 2 handle and the valve rod 8.1, which are close to the big head section, are respectively provided with a ball 2 sliding shaft and a valve rod sliding bearing 8.2, so that the friction force generated by radial rotation is reduced. Three O-shaped rings 8.8 and fireproof graphite filler 8.11 are arranged between the polish rod in the middle of the valve rod 8.1 and the front cover 8.7, so that dynamic pressure sealing of the valve rod 8.1 and the front cover 8.7 is realized. The small end of the front cover 8.7 is inserted into the front joint hole of the valve body 1, the small end is simultaneously inserted into the inner hole of the ball handle and is connected through a sliding bearing, and the connection bears the main torque of the rotation of the ball body 2 and the main thrust of the medium to the ball body 2. The front part of the front cover 8.7 is provided with an O-shaped ring 8.8 and a metal winding gasket 8.10, so that the fire prevention and the static pressure sealing between the front cover 8.7 and the valve body 1 are realized. The front cover 8.7 is fitted to the valve body 1 via screws, and the connecting disc 8.14 is fitted to the valve body 1 via screws through the front cover 8.7. And the screw can be detached to replace the sealing filler under the state of pressure. The actuator assembly 8.12 is mounted to the connecting disc 8.14 via bolts, spring washers 8.15. Meanwhile, the driving end of the valve rod 8.1 is arranged in the upper shaft sleeve of the actuator assembly 8.12 through the flat key 8.13.
The emptying valve 11 is arranged at the upper part of the valve body 1, the blow-down valve 12 is arranged at the bottom of the valve body 1, and the pressure gauge 13 is arranged on the valve cover 3. The emptying valve 11 and the blow-down valve 12 are both arranged as cut-off ball valves, so that the external connection pipeline is convenient, medium pressure in the valve cavity can be discharged through the emptying valve 11, the sealing states of the valve upper and downstream valve seats 4 are checked, and if sealing leakage exists, the valve can be maintained in a reasonable mode according to practical conditions. When the valve is operating normally, the bottom blow-off valve 12 can be opened to discharge the valve cavity liquid or slag. When dirt deposited in the valve cavity influences the valve sealing, cleaning liquid can be injected from the upper emptying valve 11 to clean the dirt deposited in the valve cavity and the dirt attached to the sealing surface of the ball body 2, so that the purpose of repairing the valve sealing is achieved.
The assembly process of this embodiment is:
1, the valve seat 4 is put into the valve body 1 from a loading and unloading port 10 above the valve body 1, and then the two valve seats 4 are pulled to a starting position enough to put the ball 2 from an upstream inlet end and a downstream outlet end of the valve body 1 by two pull rods.
2, the ball body 2 is put into the valve body 1 from a loading and unloading port 10 above the valve body 1, the ball body 2 is respectively connected with the valve rod 8.1 and the fixed shaft 8.9, the fixation of the ball body 2 is completed, and the pull rod is removed after the ball body 2 is fixed.
3, sealing and fixing the valve cover 3 on the valve body 1.
4, fixing the opening and closing sealing mechanism 5 on the valve cover 3;
5, fixing the opening and closing interlocking mechanism 6 and the rotating mechanism 7 on the valve cover 3, inserting the reducing lock pin 6.5 of the opening and closing interlocking mechanism 6 into the anti-rotation pin hole 5.6 of the quick-opening blind plate 5.1, and connecting the rotating mechanism 7 with the screw rod 5.3.
And 6, respectively completing the assembly of other parts according to the assembly diagram.
The implementation principle of each mechanism in the embodiment is as follows:
1. opening and closing interlocking mechanism 6
Interlock valve 6.1 closed: as shown in fig. 11, the quick-opening blind plate 5.1 is in the closed state, the interlocking valve 6.1 is closed, the cam limiting piece 6.3 rotating together with the handle 6.2 presses the large end of the variable-diameter lock pin 6.5 (the spring 6.4 is compressed together), when the interlocking valve 6.1 is closed in place, the small end of the variable-diameter lock pin 6.5 is also inserted into the anti-rotation pin hole 5.6 in the cam tooth 5.10 of the quick-opening blind plate 5.1, and at this time, the quick-opening blind plate 5.1 is locked and cannot operate the quick-opening blind plate 5.1.
The interlock valve 6.1 is opened: as shown in fig. 12, when the interlock valve 6.1 is opened, the cam limiting piece 6.3 rotating together with the handle 6.2 is gradually contracted, the variable-diameter lock pin 6.5 is gradually sprung up under the action of the spring 6.4, and when the interlock valve 6.1 is completely opened, the small end of the variable-diameter lock pin 6.5 is also completely separated from the anti-rotation pin hole 5.6, and at this time, the quick-opening blind plate 5.1 can be opened.
2. Opening and closing seal mechanism 5 and rotation mechanism 7
Quick opening blind 5.1 opening operation: as shown in fig. 6, the main ball valve is closed, that is, the flow passage hole of the ball body 2 is upward, the vent valve 11 is opened, the pressure gauge 13 is confirmed to be in an open state, and when the pressure indicator pointer of the pressure gauge 13 points to zero, the opening and closing interlocking mechanism 6 is unlocked, so that the diameter-variable lock pin 6.5 is confirmed to be sprung. Then the rotating handle 5.7 is moved to reversely rotate for 45 degrees, the opening indicating needle 5.8 on the quick-opening blind plate 5.1 is aligned with the opening indicating needle 5.11 on the jaw baffle 5.2, and at the moment, the convex teeth 5.10 of the quick-opening blind plate 5.1 are just completely positioned in the concave tooth grooves of the jaw baffle 5.2. After confirming that the opening indicating needle 5.8 is aligned, reversely rotating a hand wheel connected to the screw rod 5.3, lifting the quick-opening blind plate 5.1 until the sealing ring surface 5.5 of the quick-opening blind plate 5.1 is completely exposed out of the upper end surface of the jaw baffle 5.2 by about 10-30mm, pulling the rotating handle 5.7, and rotating the quick-opening blind plate 5.1 together with the screw rod 5.3, the rotating handle 5.7 and the connecting arm 7.2, so that the whole body is rotated out until the quick-opening blind plate 5.1 does not shield an opening hole any more. In the case of a ball-serving cleaning tube valve, the cleaning tube can be automatically opened and closed into the ball hole. In the case of a ball-collecting pig valve, the pig may be removed from the open bore.
Quick-opening blind 5.1 closing operation: as shown in fig. 7, after the pig is put in or taken out, the rotating handle 5.7 is pulled to align with the concave tooth groove of the jaw baffle 5.2 of the quick-opening blind plate 5.1, the hand wheel is rotated to align with the opening indicator needle 5.8 and the opening indicator needle 5.11, then the quick-opening blind plate 5.1 is rotated clockwise to descend until the sealing ring surface 5.5 at the lower end of the quick-opening blind plate 5.1 abuts against the sealing ring 5.4, then the rotating handle 5.7 is rotated clockwise for 45 degrees until the convex tooth 5.10 side of the quick-opening blind plate 5.1 is aligned with the opening indicator needle 5.11, and then the quick-opening blind plate 5.1 is locked by the opening-closing interlocking mechanism 6 to close the drain valve 12 and the vent valve 11. The ball body 2 is rotated to enable the flow channel of the ball body 2 to be communicated with the upstream and downstream pipelines, so that the pipeline cleaning work can be realized or the normal operation of the pipelines can be recovered.
Quick door opening sealing principle: as shown in fig. 8 and 9, under the action of the valve cavity pressure, the sealing ring 5.4 forms a pressure fo=f2-F1 under the action of the O-ring seals in the upper O-groove 5.13 and the side O-groove 5.14. Further pushing the sealing ring 5.4 towards the quick-opening blind plate 5.1 realizes automatic sealing. The plurality of air inlets 5.15 which are designed at the bottom of the O-shaped groove on the sealing ring 5.4 can push the O-shaped sealing ring to the obliquely upper side under the pressure effect, so that the high-pressure sealing performance of the quick-opening blind plate 5.1 is ensured.
Example 2
On the basis of embodiment 1, the horizontal shaft top-mounted pipe cleaning valve further comprises a lifting mechanism 9, wherein the lifting mechanism 9 comprises a fixed vertical shaft 9.1, a cross beam 9.2, a reinforcing rib 9.3, a traction wire 9.4, a rotary sleeve 9.5 and an explosion-proof manual hoist 9.6, the lower end of the fixed vertical shaft 9.1 is fixed on a valve cover 3, the rotary sleeve 9.5 is movably sleeved at the upper end of the fixed vertical shaft 9.1, the cross beam 9.2 is fixed on the rotary sleeve 9.5, the reinforcing rib 9.3 is fixed between the cross beam 9.2 and the rotary sleeve 9.5, the explosion-proof manual hoist 9.6 is connected to the cross beam 9.2, and the traction wire 9.4 is connected to the explosion-proof manual hoist 9.6. The ball 2 and the pig can be quickly hoisted into or out of the valve body 1 by means of the hoisting mechanism 9.
Claims (7)
1. Horizontal shaft top-mounted type pipe cleaning valve, its characterized in that: the valve comprises a valve body (1), a ball body (2), a valve cover (3), a valve seat (4), an opening and closing sealing mechanism (5), an opening and closing interlocking mechanism (6) and a rotating mechanism (7), wherein the upper end of the valve body (1) is provided with a loading and unloading port (10), the ball body (2) and the valve seat (4) are both arranged in the valve body (1) through the loading and unloading port (10), the valve seat (4) is symmetrically arranged at the inlet end and the outlet end of the valve body (1), and the ball body (2) is arranged between the valve seats (4); the valve cover (3) is fixed on the valve body (1) and used for sealing the loading and unloading opening (10), an opening and closing hole is formed in the valve cover (3), and the opening and closing sealing mechanism (5) is fixed on the valve cover (3) and used for sealing the opening and closing hole; the opening and closing interlocking mechanism (6) is fixed on the valve cover (3) and used for locking the opening and closing sealing mechanism (5), and the rotating mechanism (7) is fixed on the valve cover (3) and used for controlling the rotation of the opening and closing sealing mechanism (5);
the opening-closing sealing mechanism (5) comprises a quick-opening blind plate (5.1), a jaw baffle (5.2), a screw rod (5.3) and a sealing ring (5.4), wherein a step surface is arranged in an opening hole, the sealing ring (5.4) and the quick-opening blind plate (5.1) are respectively fixed on the step surface, the sealing ring (5.4) is fixed in the opening hole, the jaw baffle (5.2) is fixed above a valve cover (3), the quick-opening blind plate (5.1) is fixed above the sealing ring (5.4) through the jaw baffle (5.2), and a sealing ring surface (5.5) matched and sealed with the sealing ring (5.4) is arranged on the lower surface of the quick-opening blind plate (5.1); the side surface of the quick-opening blind plate (5.1) is provided with an anti-rotation pin hole (5.6), and the opening-closing interlocking mechanism (6) locks the opening-closing sealing mechanism (5) through the anti-rotation pin hole (5.6); the screw rod (5.3) is fixed on the upper surface of the quick-opening blind plate (5.1), and the rotating mechanism (7) controls the quick-opening blind plate (5.1) to rotate through the screw rod (5.3); an upper O-shaped groove (5.13) and a side O-shaped groove (5.14) are respectively arranged in the middle of the upper end face and the outer side face of the sealing ring (5.4), an air inlet hole (5.15) communicated with the inside of the valve body (1) is formed in the bottom of the upper O-shaped groove (5.13), and O-shaped sealing rings are arranged in the upper O-shaped groove (5.13) and the side O-shaped groove (5.14); the lower part of the outer side surface of the sealing ring (5.4) is provided with a circumferential concave spigot (5.16), and the lower end of the sealing ring (5.4) is provided with a transverse through hole (5.17) which is respectively communicated with the circumferential concave spigot (5.16) and the inside of the valve body (1).
2. The horizontal top mounted purge valve of claim 1, wherein: the valve is characterized by further comprising a sphere control mechanism (8), wherein the sphere control mechanism (8) comprises a valve rod (8.1) and a fixed shaft (8.9), and the valve rod (8.1) is transversely connected to the valve body (1) through a bearing and is fixedly connected with the sphere (2); the fixed shaft (8.9) is transversely fixed on the valve body (1) and is movably connected with the ball body (2), and the valve rod (8.1) and the fixed shaft (8.9) are matched to control the ball body (2) to rotate.
3. The horizontal top mounted purge valve of claim 1, wherein: the quick-opening blind plate (5.1) is provided with a rotating handle (5.7), an opening indicating needle (5.8), a closing indicating needle (5.9) and a convex tooth (5.10) matched with the jaw baffle (5.2), and the jaw baffle (5.2) is provided with a switch position pointer (5.11) and a closing limiting pin (5.12).
4. A horizontal top mounted purge valve according to any one of claims 1-3, wherein: the opening-closing interlocking mechanism (6) comprises an interlocking valve (6.1), a handle (6.2), a cam limiting piece (6.3), a spring (6.4) and a variable-diameter lock pin (6.5), wherein the interlocking valve (6.1) is fixed on a valve cover (3), the handle (6.2) and the cam limiting piece (6.3) are both fixed on the interlocking valve (6.1), and the cam limiting piece (6.3) is controlled to rotate by the handle (6.2); the spring (6.4) is arranged in a step hole of the valve cover (3), the large end of the reducing lock pin (6.5) is matched with the cam limiting piece (6.3), and the small end of the reducing lock pin penetrates through the spring (6.4) to be used for being matched with the anti-rotation pin hole (5.6) to lock the quick-opening blind plate (5.1).
5. A horizontal top mounted purge valve according to any one of claims 1-3, wherein: the rotating mechanism (7) comprises a rotating shaft (7.1), a connecting arm (7.2) and a rotating limiting piece (7.3), wherein the rotating shaft (7.1) is rotationally connected to the valve cover (3), the rotating limiting piece (7.3) is fixed on the rotating shaft (7.1) and used for limiting the rotating shaft (7.1), one end of the connecting arm (7.2) is in threaded connection with the screw rod (5.3), and the other end of the connecting arm is fixedly connected with the rotating shaft (7.1).
6. The horizontal top mounted purge valve of claim 1, wherein: the novel sewage disposal valve is characterized in that an emptying valve (11) is arranged on the upper portion of the valve body (1), a sewage disposal valve (12) is arranged at the bottom of the valve body (1), and a pressure gauge (13) is arranged on the valve cover (3).
7. The horizontal top mounted purge valve of claim 1, wherein: the horizontal shaft top-mounted pipe cleaning valve further comprises a lifting mechanism (9), the lifting mechanism (9) comprises a fixed vertical shaft (9.1), a cross beam (9.2), reinforcing ribs (9.3), a traction wire (9.4), a rotary sleeve (9.5) and an explosion-proof manual hoist (9.6), the lower end of the fixed vertical shaft (9.1) is fixed on a valve cover (3), the rotary sleeve (9.5) is movably sleeved at the upper end of the fixed vertical shaft (9.1), the cross beam (9.2) is fixed on the rotary sleeve (9.5), the reinforcing ribs (9.3) are fixed between the cross beam (9.2) and the rotary sleeve (9.5), the explosion-proof manual hoist (9.6) is connected on the cross beam (9.2), and the traction wire (9.4) is connected on the explosion-proof manual hoist (9.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926189.7A CN113551056B (en) | 2019-07-10 | 2019-07-10 | Horizontal shaft top-mounted pipe cleaning valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621228.5A CN110206910A (en) | 2019-07-10 | 2019-07-10 | A kind of horizontal axis Top Loading Type Pipe Cleaning Valve |
| CN202110926189.7A CN113551056B (en) | 2019-07-10 | 2019-07-10 | Horizontal shaft top-mounted pipe cleaning valve |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910621228.5A Division CN110206910A (en) | 2019-07-10 | 2019-07-10 | A kind of horizontal axis Top Loading Type Pipe Cleaning Valve |
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| CN113551056A CN113551056A (en) | 2021-10-26 |
| CN113551056B true CN113551056B (en) | 2023-05-23 |
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| CN202110926189.7A Active CN113551056B (en) | 2019-07-10 | 2019-07-10 | Horizontal shaft top-mounted pipe cleaning valve |
| CN201910621228.5A Pending CN110206910A (en) | 2019-07-10 | 2019-07-10 | A kind of horizontal axis Top Loading Type Pipe Cleaning Valve |
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| CN110030399A (en) * | 2019-05-20 | 2019-07-19 | 江苏天域阀业制造有限公司 | Pipe clearing ball valve is filled in a kind of fixation |
| CN113551056B (en) * | 2019-07-10 | 2023-05-23 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
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| CN201941587U (en) * | 2009-12-24 | 2011-08-24 | 东熙产业股份（有限）公司 | Cut-off valve device of automobile fuel tank |
| CN109163113A (en) * | 2018-10-24 | 2019-01-08 | 四川凯茨阀门制造有限公司 | A kind of shock type pipe cleaning valve |
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| CH166561A (en) * | 1932-11-17 | 1934-01-15 | Carba Ag | Closure device on high pressure vessels. |
| DE3545547A1 (en) * | 1985-12-21 | 1987-07-02 | B & S Metalpraecis Gmbh | Ball cock as a shut-off and regulating fitting for flows of gaseous and liquid substances, particularly those containing abrasive solids |
| CN102518823B (en) * | 2011-12-27 | 2014-03-26 | 四川精控阀门制造有限公司 | Valve seat sealing structure |
| CN202402776U (en) * | 2012-05-25 | 2012-08-29 | 西安泵阀总厂有限公司 | Safety interlocking device for pigging valve quick-opening gate |
| CN102734486A (en) * | 2012-06-21 | 2012-10-17 | 镇江市铸造阀门厂有限公司 | Valve assembly sealing device of low temperature ball valve |
| US8601634B1 (en) * | 2012-07-13 | 2013-12-10 | Gerald A. Stunkard | Pig valve having trunnion supported ball, self-centering seats and universal type mounting flanges |
| CN105465361A (en) * | 2016-01-14 | 2016-04-06 | 牡丹江市金环石化设备有限公司 | High-pressure quick-opening blind plate |
| CN206665986U (en) * | 2017-04-22 | 2017-11-24 | 秦硕 | The hand of outdoor anti-bolt corrosion is from dual-purpose hoisting apparatus |
| CN207961592U (en) * | 2018-03-09 | 2018-10-12 | 浙江欧菲石油设备有限公司 | A kind of pipe clearing ball valve |
| CN208719454U (en) * | 2018-08-02 | 2019-04-09 | 超达阀门集团股份有限公司 | With the ball valve for opening and closing device |
| CN210153270U (en) * | 2019-07-10 | 2020-03-17 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
| CN113551056B (en) * | 2019-07-10 | 2023-05-23 | 自贡自高阀门有限公司 | Horizontal shaft top-mounted pipe cleaning valve |
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2019
- 2019-07-10 CN CN202110926189.7A patent/CN113551056B/en active Active
- 2019-07-10 CN CN201910621228.5A patent/CN110206910A/en active Pending
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| CN201941587U (en) * | 2009-12-24 | 2011-08-24 | 东熙产业股份（有限）公司 | Cut-off valve device of automobile fuel tank |
| CN109163113A (en) * | 2018-10-24 | 2019-01-08 | 四川凯茨阀门制造有限公司 | A kind of shock type pipe cleaning valve |
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| CN113551056A (en) | 2021-10-26 |
| CN110206910A (en) | 2019-09-06 |
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