CN212146214U - Sealing ring replacing device of butterfly valve for well cementation manifold - Google Patents
Sealing ring replacing device of butterfly valve for well cementation manifold Download PDFInfo
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- CN212146214U CN212146214U CN202020874714.6U CN202020874714U CN212146214U CN 212146214 U CN212146214 U CN 212146214U CN 202020874714 U CN202020874714 U CN 202020874714U CN 212146214 U CN212146214 U CN 212146214U
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Abstract
The utility model discloses a sealing ring replacing device of a butterfly valve for a well cementation manifold, which comprises a wrench, a screw shaft, a working platform, a supporting frame, a base, a shaft seat, a pressing plate, a fixed platform and a screw rod; base fixed connection is in the carriage bottom, work platform is horizontal fixed connection at the carriage top, work platform's centre is equipped with the shaft hole, the shaft seat is located the upper end of fixed connection directly over the shaft hole at work platform, screw and shaft seat threaded connection, the top and the spanner swing joint of screw, the bottom of screw is passed behind the shaft hole and is articulated with the top of clamp plate, the lead screw is four and be located the braced frame interior ring around the clamp plate and distribute, fixed platform sliding connection is on four lead screws, the below that lies in fixed platform on every lead screw all is equipped with adjusting nut. Through the utility model discloses can realize that single quick sealing washer to the butterfly valve changes the operation to practice thrift the labour and improved the operating efficiency, and can avoid the sealing washer to appear the problem of dislocation and edge wear when changing.
Description
Technical Field
The utility model relates to an oil field well cementation operation equipment technical field, concretely relates to device is changed with sealing washer of butterfly valve to well cementation.
Background
In the construction of well cementation dry mixing operation, a butterfly valve is a common tool for controlling the opening and closing of a manifold, the butterfly valve is frequently used in the work, so that the aging loss of a sealing ring is high, and the sealing ring which is out of work or damaged needs to be replaced and maintained regularly.
There is not dedicated butterfly valve sealing washer change instrument at present, generally by the manual completion of a plurality of people cooperation, because the opening at butterfly valve top and sealing washer are closely cooperated, need one person to hand the butterfly valve body when packing into new sealing washer, the sealing washer is handed to another person, strikes the mode at sealing washer edge with the hammer, imbeds this internal with the sealing washer, but this kind of method has a plurality of drawbacks:
(1) generally two to three labor fits are required;
(2) in the knocking process, the sealing ring is rotated and dislocated due to vibration and is not aligned with the hole;
(3) in the knocking process, the lower edge of the sealing ring is easily abraded and skinned due to uneven external force, so that the later sealing effect is influenced;
(4) at least more than ten butterfly valves are arranged in a group of well cementation manifolds, the mode of embedding the sealing rings manually has long replacement time and extremely low working efficiency.
Chinese invention CN201911356529.6 discloses a hydraulic operation type seal ring replacing tool, which replaces a seal ring by the movement of a hydraulic cylinder, but the tool has a complicated structure and high cost, and is not suitable for being applied to well cementation, so the inventor wants to design a tool which has a simple structure and low cost and can rapidly complete the butterfly valve replacing operation by one person.
Disclosure of Invention
The utility model aims at providing a defect to prior art exists provides a well cementation is sealing washer of butterfly valve is changed device for manifold, the utility model discloses only need alone can accomplish the change operation of butterfly valve fast to practice thrift the labour and improved the operating efficiency, and can avoid the sealing washer to appear the problem of dislocation and edge wearing and tearing when changing.
The technical scheme of the utility model is that:
a sealing ring replacing device of a butterfly valve for a well cementation manifold comprises a wrench, a screw shaft, a working platform, a supporting frame, a base, a shaft seat, a pressing plate, a fixing platform and a screw rod;
the base is fixedly connected with the bottom of the supporting frame, the working platform is horizontally and fixedly connected with the top of the supporting frame, the middle of the working platform is provided with a shaft hole, the shaft seat is positioned right above the shaft hole and is fixedly connected with the upper end of the working platform, the shaft seat is provided with a threaded hole, the threaded hole and the shaft hole are positioned on the same axis, the screw shaft is in threaded connection with the shaft seat, the top of the screw shaft is movably connected with the wrench, the bottom of the screw shaft passes through the shaft hole and then is hinged with the top of the pressure plate, the four screw rods are arranged in the supporting frame and distributed around the pressure plate, the upper end and the lower end of each screw rod are respectively and vertically connected with the working platform and the base, the fixing platform is provided with through holes corresponding to the four screw rods, and the fixed platform is positioned between the pressure plate and the base and is connected on the four screw rods in a sliding manner, and each screw rod is provided with an adjusting nut below the fixed platform.
Preferably, the bottom of the pressure plate is provided with a circular bulge matched with the inner hole of the sealing ring.
Preferably, the circular bulges are arranged in a plurality of layers coaxially, and the diameter of the circular bulge on the upper layer is larger than that of the circular bulge on the lower layer.
Preferably, the upper end face of the fixed platform is provided with a positioning groove corresponding to the circular bulge.
Preferably, the positioning groove is matched with the shape of the bottom of the butterfly valve.
Preferably, the positioning grooves are a plurality of layers which are coaxially arranged, and the size of the positioning groove at the upper layer is larger than that of the positioning groove at the lower layer.
Preferably, the shape of the top of the screw shaft is matched with the opening of the wrench.
Preferably, the top of the screw shaft is hexagonal, and the wrench is an internal hexagonal wrench.
Compared with the prior art, the utility model, have following advantage:
the utility model has the advantages of simple and reasonable structure, can adjust positioning platform's height through adjusting nut and lead screw cooperation according to the height of butterfly valve, the normal running fit of rethread axle bed and silk axle makes the clamp plate press down the sealing washer fast and imbeds in the butterfly valve to the realization only has the assembly sealing washer that an operation personnel just can be quick, has not only reduced the labour, has improved the operating efficiency, has avoided the damage to the sealing washer moreover.
Through the circular bulge that sets up in the bottom of clamp plate and the constant head tank that sets up on fixed platform, can make the quick advance location of sealing washer and butterfly valve.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a reference diagram of the present invention in use;
FIG. 3 is a front view of the platen;
FIG. 4 is a schematic top view of the fixed platen;
in the figure: 1. spanner, 2, hexagonal arch, 3, silk axle, 4, shaft hole, 5, work platform, 6, braced frame, 7, base, 8, axle bed, 9, clamp plate, 10, fixed platform, 11, adjusting nut, 12, lead screw, 13, circular arch, 14, the circular arch of lower floor, 15, the circular arch of upper strata, 16, the constant head tank, 17, the constant head tank of upper strata, 18, the constant head tank of lower floor, 19, the through-hole, 20, the butterfly valve.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
Referring to fig. 1 and 2, a sealing ring replacing device for a butterfly valve for a well cementation manifold comprises a wrench 1, a screw shaft 3, a working platform 5, a supporting frame 6, a base 7, a shaft seat 8, a pressing plate 9, a fixing platform 10 and a screw rod 12.
7 fixed connection of base is in the carriage bottom, and work platform 5 is horizontal fixed connection at the carriage top, and the centre of work platform 5 is equipped with shaft hole 4, and axle bed 8 is located the upper end of fixed connection directly over shaft hole 4 at work platform 5, is equipped with the screw hole on the axle bed 8, and the screw hole is located same axis with shaft hole 4, silk axle 3 and 8 threaded connection of axle bed, the top and the 1 swing joint of spanner of silk axle 3, and the bottom of silk axle 3 is articulated with the top of clamp plate 9 after passing shaft hole 4.
The four screw rods 12 are arranged in the supporting frame 6 and distributed around the pressing plate 9, the upper end and the lower end of each screw rod 12 are respectively and vertically connected with the working platform 5 and the base 7, through holes 19 corresponding to the positions of the four screw rods 12 are arranged on the fixing platform 10, the screw rods 12 penetrate through the through holes 19 to enable the fixing platform 10 to be connected onto the four screw rods 12 in a sliding mode, the fixing platform 10 is located between the pressing plate 9 and the base 7, and adjusting nuts 11 are arranged on each screw rod 12 and located below the fixing platform 10.
The working steps are as follows:
firstly, adjusting the distance between a pressure plate 9 and a fixed platform 10 by rotating an adjusting nut 11 according to the height of a butterfly valve 20;
next, a butterfly valve 20 of which the sealing ring needs to be replaced is placed on the fixed platform 10, and a hole position at the top of the butterfly valve 20 is located right below the pressure plate 9;
next, pushing the sealing ring into a gap between the pressure plate 9 and the butterfly valve 20, and then adjusting the position and the direction of the sealing ring to enable the sealing ring to be aligned with the hole position of the butterfly valve 20;
next, slightly turning the wrench 1, the wrench 1 drives the screw shaft 3 to rotate and move the pressing plate 9 downward, and the sealing ring is pushed by the pressing plate 9 to be embedded into the butterfly valve 20 downward.
Finally, after the sealing ring is integrally embedded, the wrench 1 is reversely rotated to return to the initial position, and the butterfly valve 20 is taken out of the device.
The utility model has the advantages of simple and reasonable structure, can adjust fixed platform 10's height through adjusting nut 11 and the cooperation of lead screw 12 according to butterfly valve 20's height, the normal running fit of rethread axle bed 8 and lead screw 3 makes clamp plate 9 push down the sealing washer embedding butterfly valve 20 in to the realization only has the assembly sealing washer that an operation personnel just can be quick, has not only reduced the labour, has improved the operating efficiency, has avoided the damage to the sealing washer moreover.
For further increasing the utility model discloses in the commonality of spanner, hexagonal spanner in preferred is selected to above-mentioned spanner 1 to the top of screw spindle 3 is equipped with the hexagonal arch 2 of interior hexagonal spanner adaptation.
Example 2
In this embodiment, the pressing plate 9 is optimized on the basis of embodiment 1, specifically:
referring to fig. 1 and 2, a sealing ring replacing device for a butterfly valve for a well cementation manifold comprises a wrench 1, a screw shaft 3, a working platform 5, a supporting frame 6, a base 7, a shaft seat 8, a pressing plate 9, a fixing platform 10 and a screw rod 12.
7 fixed connection of base is in the carriage bottom, and work platform 5 is horizontal fixed connection at the carriage top, and the centre of work platform 5 is equipped with shaft hole 4, and axle bed 8 is located the upper end of fixed connection directly over shaft hole 4 at work platform 5, is equipped with the screw hole on the axle bed 8, and the screw hole is located same axis with shaft hole 4, silk axle 3 and 8 threaded connection of axle bed, the top and the 1 swing joint of spanner of silk axle 3, and the bottom of silk axle 3 is articulated with the top of clamp plate 9 after passing shaft hole 4.
The four screw rods 12 are arranged in the supporting frame 6 and distributed around the pressing plate 9, the upper end and the lower end of each screw rod 12 are respectively and vertically connected with the working platform 5 and the base 7, through holes 19 corresponding to the positions of the four screw rods 12 are arranged on the fixing platform 10, the screw rods 12 penetrate through the through holes 19 to enable the fixing platform 10 to be connected onto the four screw rods 12 in a sliding mode, the fixing platform 10 is located between the pressing plate 9 and the base 7, and adjusting nuts 11 are arranged on each screw rod 12 and located below the fixing platform 10.
Referring to fig. 3, a circular protrusion 13 is provided at the bottom of the pressure plate 9 to fit the inner hole of the seal ring, and the seal ring is axially positioned by the circular protrusion 13, so that the seal ring is aligned with the hole position at the top of the butterfly valve 20.
The working steps are as follows:
firstly, adjusting the distance between a pressure plate 9 and a fixed platform 10 by rotating an adjusting nut 11 according to the height of a butterfly valve 20;
next, a butterfly valve 20 of which the sealing ring needs to be replaced is placed on the fixed platform 10, and a hole position at the top of the butterfly valve 20 is located right below the pressure plate 9;
next, pushing the sealing ring into a gap between the pressure plate 9 and the butterfly valve 20, and then adjusting the position and the direction of the sealing ring to enable the sealing ring to be aligned with the hole position of the butterfly valve 20;
next, slightly turning the wrench 1, the wrench 1 drives the screw shaft 3 to rotate and move the pressing plate 9 downward, and the sealing ring is pushed by the pressing plate 9 to be embedded into the butterfly valve 20 downward.
Finally, after the sealing ring is integrally embedded, the wrench 1 is reversely rotated to return to the initial position, and the butterfly valve 20 is taken out of the device.
The utility model has the advantages of simple and reasonable structure, can adjust fixed platform 10's height through adjusting nut 11 and the cooperation of lead screw 12 according to butterfly valve 20's height, the normal running fit of rethread axle bed 8 and lead screw 3 makes clamp plate 9 push down the sealing washer embedding butterfly valve 20 in to the realization only has the assembly sealing washer that an operation personnel just can be quick, has not only reduced the labour, has improved the operating efficiency, has avoided the damage to the sealing washer moreover.
Example 3
In this embodiment, the circular protrusion 13 is optimized on the basis of embodiment 2, specifically:
referring to fig. 1 and 2, a sealing ring replacing device for a butterfly valve for a well cementation manifold comprises a wrench 1, a screw shaft 3, a working platform 5, a supporting frame 6, a base 7, a shaft seat 8, a pressing plate 9, a fixing platform 10 and a screw rod 12.
7 fixed connection of base is in the carriage bottom, and work platform 5 is horizontal fixed connection at the carriage top, and the centre of work platform 5 is equipped with shaft hole 4, and axle bed 8 is located the upper end of fixed connection directly over shaft hole 4 at work platform 5, is equipped with the screw hole on the axle bed 8, and the screw hole is located same axis with shaft hole 4, silk axle 3 and 8 threaded connection of axle bed, the top and the 1 swing joint of spanner of silk axle 3, and the bottom of silk axle 3 is articulated with the top of clamp plate 9 after passing shaft hole 4.
The four screw rods 12 are arranged in the supporting frame 6 and distributed around the pressing plate 9, the upper end and the lower end of each screw rod 12 are respectively and vertically connected with the working platform 5 and the base 7, through holes 19 corresponding to the positions of the four screw rods 12 are arranged on the fixing platform 10, the screw rods 12 penetrate through the through holes 19 to enable the fixing platform 10 to be connected onto the four screw rods 12 in a sliding mode, the fixing platform 10 is located between the pressing plate 9 and the base 7, and adjusting nuts 11 are arranged on each screw rod 12 and located below the fixing platform 10.
Referring to fig. 3, a circular protrusion 13 matched with the inner hole of the sealing ring is arranged at the bottom of the pressure plate 9, the circular protrusion 13 can also be a plurality of layers which are coaxially arranged, and the diameter of the circular protrusion 15 at the upper layer is larger than that of the circular protrusion 14 at the lower layer.
Through the mode that designs circular bulge 13 for the multilayer arrangement can the not unidimensional sealing washer of adaptation, thereby make the utility model discloses use more in a flexible way.
The working steps are as follows:
firstly, adjusting the distance between a pressure plate 9 and a fixed platform 10 by rotating an adjusting nut 11 according to the height of a butterfly valve 20;
next, a butterfly valve 20 of which the sealing ring needs to be replaced is placed on the fixed platform 10, and a hole position at the top of the butterfly valve 20 is located right below the pressure plate 9;
next, pushing the sealing ring into a gap between the pressure plate 9 and the butterfly valve 20, and then adjusting the position and the direction of the sealing ring to enable the sealing ring to be aligned with the hole position of the butterfly valve 20;
next, slightly turning the wrench 1, the wrench 1 drives the screw shaft 3 to rotate and move the pressing plate 9 downward, and the sealing ring is pushed by the pressing plate 9 to be embedded into the butterfly valve 20 downward.
Finally, after the sealing ring is integrally embedded, the wrench 1 is reversely rotated to return to the initial position, and the butterfly valve 20 is taken out of the device.
The utility model has the advantages of simple and reasonable structure, can adjust fixed platform 10's height through adjusting nut 11 and the cooperation of lead screw 12 according to butterfly valve 20's height, the normal running fit of rethread axle bed 8 and lead screw 3 makes clamp plate 9 push down the sealing washer embedding butterfly valve 20 in to the realization only has the assembly sealing washer that an operation personnel just can be quick, has not only reduced the labour, has improved the operating efficiency, has avoided the damage to the sealing washer moreover.
The optimization scheme of this embodiment is that the bottom of clamp plate 9 is equipped with the circular bulge 13 with the hole adaptation of sealing washer, through circular bulge 13 to sealing washer axial positioning to the hole site of the sealing washer of being convenient for and butterfly valve 20 top is aimed at.
Example 4
In this embodiment, the fixed platform 10 is optimized on the basis of embodiment 3, specifically:
referring to fig. 1 and 2, a sealing ring replacing device for a butterfly valve for a well cementation manifold comprises a wrench 1, a screw shaft 3, a working platform 5, a supporting frame 6, a base 7, a shaft seat 8, a pressing plate 9, a fixing platform 10 and a screw rod 12.
7 fixed connection of base is in the carriage bottom, and work platform 5 is horizontal fixed connection at the carriage top, and the centre of work platform 5 is equipped with shaft hole 4, and axle bed 8 is located the upper end of fixed connection directly over shaft hole 4 at work platform 5, is equipped with the screw hole on the axle bed 8, and the screw hole is located same axis with shaft hole 4, silk axle 3 and 8 threaded connection of axle bed, the top and the 1 swing joint of spanner of silk axle 3, and the bottom of silk axle 3 is articulated with the top of clamp plate 9 after passing shaft hole 4.
The four screw rods 12 are arranged in the supporting frame 6 and distributed around the pressing plate 9, the upper end and the lower end of each screw rod 12 are respectively and vertically connected with the working platform 5 and the base 7, through holes 19 corresponding to the positions of the four screw rods 12 are arranged on the fixing platform 10, the screw rods 12 penetrate through the through holes 19 to enable the fixing platform 10 to be connected onto the four screw rods 12 in a sliding mode, the fixing platform 10 is located between the pressing plate 9 and the base 7, and adjusting nuts 11 are arranged on each screw rod 12 and located below the fixing platform 10.
Referring to fig. 3, a circular protrusion 13 matched with the inner hole of the sealing ring is arranged at the bottom of the pressure plate 9, the circular protrusion 13 can also be a plurality of layers which are coaxially arranged, and the diameter of the circular protrusion 15 at the upper layer is larger than that of the circular protrusion 14 at the lower layer.
Through the mode that designs circular bulge 13 for the multilayer arrangement can the not unidimensional sealing washer of adaptation, thereby make the utility model discloses use more in a flexible way.
Referring to fig. 4, a positioning groove 16 is formed on the upper end surface of the fixed platform 10 and is matched with the bottom of the butterfly valve 20 in shape, and the position of the positioning groove 16 corresponds to the position of the circular protrusion 13, so that the butterfly valve 20 can be quickly fixed and positioned by the positioning groove 16.
The working steps are as follows:
firstly, adjusting the distance between a pressure plate 9 and a fixed platform 10 by rotating an adjusting nut 11 according to the height of a butterfly valve 20;
next, a butterfly valve 20 of which the sealing ring needs to be replaced is placed on the fixed platform 10, and a hole position at the top of the butterfly valve 20 is located right below the pressure plate 9;
next, pushing the sealing ring into a gap between the pressure plate 9 and the butterfly valve 20, and then adjusting the position and the direction of the sealing ring to enable the sealing ring to be aligned with the hole position of the butterfly valve 20;
next, slightly turning the wrench 1, the wrench 1 drives the screw shaft 3 to rotate and move the pressing plate 9 downward, and the sealing ring is pushed by the pressing plate 9 to be embedded into the butterfly valve 20 downward.
Finally, after the sealing ring is integrally embedded, the wrench 1 is reversely rotated to return to the initial position, and the butterfly valve 20 is taken out of the device.
The utility model has the advantages of simple and reasonable structure, can adjust fixed platform 10's height through adjusting nut 11 and the cooperation of lead screw 12 according to butterfly valve 20's height, the normal running fit of rethread axle bed 8 and lead screw 3 makes clamp plate 9 push down the sealing washer embedding butterfly valve 20 in to the realization only has the assembly sealing washer that an operation personnel just can be quick, has not only reduced the labour, has improved the operating efficiency, has avoided the damage to the sealing washer moreover.
The optimization scheme of this embodiment is that the bottom of clamp plate 9 is equipped with the circular bulge 13 with the hole adaptation of sealing washer, through circular bulge 13 to sealing washer axial positioning to the hole site of the sealing washer of being convenient for and butterfly valve 20 top is aimed at.
Example 5
In this embodiment, the positioning groove 16 is optimized on the basis of embodiment 4, specifically:
referring to fig. 1 and 2, a sealing ring replacing device for a butterfly valve for a well cementation manifold comprises a wrench 1, a screw shaft 3, a working platform 5, a supporting frame 6, a base 7, a shaft seat 8, a pressing plate 9, a fixing platform 10 and a screw rod 12.
7 fixed connection of base is in the carriage bottom, and work platform 5 is horizontal fixed connection at the carriage top, and the centre of work platform 5 is equipped with shaft hole 4, and axle bed 8 is located the upper end of fixed connection directly over shaft hole 4 at work platform 5, is equipped with the screw hole on the axle bed 8, and the screw hole is located same axis with shaft hole 4, silk axle 3 and 8 threaded connection of axle bed, the top and the 1 swing joint of spanner of silk axle 3, and the bottom of silk axle 3 is articulated with the top of clamp plate 9 after passing shaft hole 4.
The four screw rods 12 are arranged in the supporting frame 6 and distributed around the pressing plate 9, the upper end and the lower end of each screw rod 12 are respectively and vertically connected with the working platform 5 and the base 7, through holes 19 corresponding to the positions of the four screw rods 12 are arranged on the fixing platform 10, the screw rods 12 penetrate through the through holes 19 to enable the fixing platform 10 to be connected onto the four screw rods 12 in a sliding mode, the fixing platform 10 is located between the pressing plate 9 and the base 7, and adjusting nuts 11 are arranged on each screw rod 12 and located below the fixing platform 10.
Referring to fig. 3, a circular protrusion 13 matched with the inner hole of the sealing ring is arranged at the bottom of the pressure plate 9, the circular protrusion 13 can also be a plurality of layers which are coaxially arranged, and the diameter of the circular protrusion 15 at the upper layer is larger than that of the circular protrusion 14 at the lower layer.
Through the mode that designs circular bulge 13 for the multilayer arrangement can the not unidimensional sealing washer of adaptation, thereby make the utility model discloses use more in a flexible way.
Referring to fig. 4, a positioning groove 16 is formed on the upper end surface of the fixed platform 10 and is matched with the bottom of the butterfly valve 20 in shape, and the position of the positioning groove 16 corresponds to the position of the circular protrusion 13, so that the butterfly valve 20 can be quickly fixed and positioned by the positioning groove 16.
The positioning grooves 16 may also be a plurality of layers arranged coaxially, and the size of the positioning groove 17 on the upper layer is larger than that of the positioning groove 18 on the lower layer.
The mode through designing constant head tank 16 for the range of multilayer can be fixed not unidimensional butterfly valve 20 to further improve the utility model discloses a practicality.
The working steps are as follows:
firstly, adjusting the distance between a pressure plate 9 and a fixed platform 10 by rotating an adjusting nut 11 according to the height of a butterfly valve 20;
next, a butterfly valve 20 of which the sealing ring needs to be replaced is placed on the fixed platform 10, and a hole position at the top of the butterfly valve 20 is located right below the pressure plate 9;
next, pushing the sealing ring into a gap between the pressure plate 9 and the butterfly valve 20, and then adjusting the position and the direction of the sealing ring to enable the sealing ring to be aligned with the hole position of the butterfly valve 20;
next, slightly turning the wrench 1, the wrench 1 drives the screw shaft 3 to rotate and move the pressing plate 9 downward, and the sealing ring is pushed by the pressing plate 9 to be embedded into the butterfly valve 20 downward.
Finally, after the sealing ring is integrally embedded, the wrench 1 is reversely rotated to return to the initial position, and the butterfly valve 20 is taken out of the device.
The utility model has the advantages of simple and reasonable structure, can adjust fixed platform 10's height through adjusting nut 11 and the cooperation of lead screw 12 according to butterfly valve 20's height, the normal running fit of rethread axle bed 8 and lead screw 3 makes clamp plate 9 push down the sealing washer embedding butterfly valve 20 in to the realization only has the assembly sealing washer that an operation personnel just can be quick, has not only reduced the labour, has improved the operating efficiency, has avoided the damage to the sealing washer moreover.
The optimization scheme of this embodiment is that the bottom of clamp plate 9 is equipped with the circular bulge 13 with the hole adaptation of sealing washer, through circular bulge 13 to sealing washer axial positioning to the hole site of the sealing washer of being convenient for and butterfly valve 20 top is aimed at.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a sealing washer change device of butterfly valve for well cementation manifold which characterized in that: the device comprises a wrench, a screw shaft, a working platform, a supporting frame, a base, a shaft seat, a pressing plate, a fixing platform and a screw rod;
the base is fixedly connected with the bottom of the supporting frame, the working platform is horizontally and fixedly connected with the top of the supporting frame, the middle of the working platform is provided with a shaft hole, the shaft seat is positioned right above the shaft hole and is fixedly connected with the upper end of the working platform, the shaft seat is provided with a threaded hole, the threaded hole and the shaft hole are positioned on the same axis, the screw shaft is in threaded connection with the shaft seat, the top of the screw shaft is movably connected with the wrench, the bottom of the screw shaft passes through the shaft hole and then is hinged with the top of the pressure plate, the four screw rods are arranged in the supporting frame and distributed around the pressure plate, the upper end and the lower end of each screw rod are respectively and vertically connected with the working platform and the base, the fixing platform is provided with through holes corresponding to the four screw rods, and the fixed platform is positioned between the pressure plate and the base and is connected on the four screw rods in a sliding manner, and each screw rod is provided with an adjusting nut below the fixed platform.
2. The device for replacing the sealing ring of the butterfly valve for the well cementation manifold as claimed in claim 1, wherein: the bottom of the pressing plate is provided with a circular bulge matched with the inner hole of the sealing ring.
3. The sealing ring replacing device of the butterfly valve for the well cementation manifold as claimed in claim 2, wherein: the circular bulges are arranged in a plurality of layers coaxially, and the diameter of the circular bulge on the upper layer is larger than that of the circular bulge on the lower layer.
4. The device for replacing the sealing ring of the butterfly valve for the well cementation manifold as claimed in claim 3, wherein: and the upper end surface of the fixed platform is provided with a positioning groove corresponding to the position of the circular bulge.
5. The device for replacing the sealing ring of the butterfly valve for the well cementation manifold as claimed in claim 4, wherein: the positioning groove is matched with the bottom of the butterfly valve in shape.
6. The device for replacing the sealing ring of the butterfly valve for the well cementation manifold as claimed in claim 5, wherein: the constant head tank is the multilayer of coaxial arrangement to the size of upper constant head tank is greater than the size of lower floor's constant head tank.
7. The device for replacing the sealing ring of the butterfly valve for the well cementation manifold as claimed in claim 1, wherein: the shape of the top of the screw shaft is matched with the opening of the wrench.
8. The device for replacing the sealing ring of the butterfly valve for the well cementation manifold as claimed in claim 7, wherein: the top of the screw shaft is hexagonal, and the wrench is an internal hexagonal wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874714.6U CN212146214U (en) | 2020-05-22 | 2020-05-22 | Sealing ring replacing device of butterfly valve for well cementation manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874714.6U CN212146214U (en) | 2020-05-22 | 2020-05-22 | Sealing ring replacing device of butterfly valve for well cementation manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212146214U true CN212146214U (en) | 2020-12-15 |
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ID=73706974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020874714.6U Active CN212146214U (en) | 2020-05-22 | 2020-05-22 | Sealing ring replacing device of butterfly valve for well cementation manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212146214U (en) |
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2020
- 2020-05-22 CN CN202020874714.6U patent/CN212146214U/en active Active
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