CN107023701A - A kind of wear-resistant knife gate valve - Google Patents
A kind of wear-resistant knife gate valve Download PDFInfo
- Publication number
- CN107023701A CN107023701A CN201710386788.8A CN201710386788A CN107023701A CN 107023701 A CN107023701 A CN 107023701A CN 201710386788 A CN201710386788 A CN 201710386788A CN 107023701 A CN107023701 A CN 107023701A
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- Prior art keywords
- wear
- valve
- valve body
- knife gate
- ring
- Prior art date
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- 238000005299 abrasion Methods 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000004484 Briquette Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000010079 rubber tapping Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Classifications
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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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The present invention relates to a kind of wear-resistant knife gate valve.The wear-resistant knife gate valve includes bearing, the drive mechanism being detachably arranged on bearing and the valve body being detachably arranged in below bearing；The first wear ring is provided with the feeding-passage of valve body, the second wear ring is provided with the tapping channel of valve body；And U-shaped seal is provided between the first wear ring and the second wear ring, the input and output material passage on valve body is formed as wear-resisting passage；The valve plate being detachably connected with drive mechanism is provided with valve body；Valve plate includes the auxiliary support plate being detachably connected with drive mechanism and the wearing plate being detachably arranged on auxiliary support plate；And the first abrasion sealer is provided with auxiliary support plate；Valve body upper surface is provided with sealing strip indent, the sealed briquette being detachably connected with valve body is provided with sealing strip indent, is closely attached to a sealing strip on auxiliary support plate by sealed briquette.
Description
Technical field
The present invention relates to a kind of valve, a kind of wear-resistant knife gate valve is concretely related to.
Background technology
Knife gate valve is mainly as regulation and cut-off equipment, and its opening and closing element is flashboard, the direction of motion and fluid of flashboard
Direction is perpendicular, by that can cut off medium with the knife-edge flashboard of cutting fiber material.
At present, in use, knife gate valve exists following not enough：
1st, complete equipment is disposable in use, and gate valve passage and valve plate are because that can not change or repair after abrasion
Multiple, resource cannot be utilized sufficiently；
2nd, due to being disposable, and knife gate valve is relatively heavier, installs or removes in use inconvenient.
The content of the invention
For the deficiency of prior art, the invention provides a kind of wear-resistant knife gate valve.A kind of wear-resistant blade type lock of the present invention
The concrete technical scheme of valve is as follows：
A kind of wear-resistant knife gate valve, it includes bearing, the drive mechanism being detachably arranged on the bearing and removable
The valve body being arranged at below the bearing unloaded；The first wear ring is provided with the feeding-passage of the valve body, in the valve
The second wear ring is provided with the tapping channel of body；And it is provided with U between first wear ring and second wear ring
Type seal, makes the input and output material passage on the valve body be formed as wear-resisting passage；It is provided with the valve body and the driving
The valve plate that mechanism is detachably connected；The valve plate includes the auxiliary support plate being detachably connected with the drive mechanism and detachable
The wearing plate being arranged on the auxiliary support plate；And the first abrasion sealer is provided with the auxiliary support plate；
The valve body upper surface is provided with sealing strip indent, is provided with and is detachably connected with the valve body in the sealing strip indent
Sealed briquette, one sealing strip is closely attached on the auxiliary support plate by the sealed briquette.
The present invention wear-resistant knife gate valve by set in valve body input and output material passage the first wear ring, the second wear ring and
U-shaped seal, makes the input and output material passage on valve body be formed as wear-resisting passage, and by by flashboard be designed as auxiliary support plate and
Wearing plate, and the first abrasion sealer is provided with auxiliary support plate, valve plate can be made more resistant；In addition, by the way that this is sent out
The connected mode of bright bearing, drive mechanism, valve body, valve plate and sealed briquette etc. is set to be detachably connected mode, can make
The present invention is convenient to disassembly, and maintenance and replacing accessory are convenient and swift.
According to one preferred embodiment, the valve body includes left valve barrel and right valve barrel；The left valve barrel and the right side
Valve body is removably connected by bolt；And it is respectively arranged with second on the left valve barrel and the right valve barrel inner surface
Abrasion sealer.
By being the left valve barrel and right valve barrel being removably connected by bolt by valve design, and it is removable to combine valve plate
The design method unloaded, can make the wear-resistant knife gate valve of the present invention convenient to disassembly, and maintenance and replacing accessory are convenient and swift, lock
Valve periodicity service life is longer；And the second abrasion sealer is set on left valve barrel and right valve barrel inner surface, with reference to U-shaped close
Sealing and the first abrasion sealer, can be such that valve body isolates with medium, and valve body will not be destroyed because of dielectric corrosion or abrasion, so that
The purpose for reach protection valve body, increasing the service life.
According to one preferred embodiment, the U-shaped seal includes steel skeleton and is coated on the steel skeleton
3rd abrasion sealer；And the steel skeleton and the 3rd abrasion sealer are provided through on the U-shaped seal
Dowel hole.
The mode for coating steel skeleton by using the 3rd abrasion sealer designs U-shaped seal, can pass through steel skeleton branch
The structure of U-shaped seal is supportted and protected, will not be deformed because of the influence of external force；It can be made by the 3rd abrasion sealer U-shaped
Seal has superpower elasticity, wear-resisting or corrosion-resistant, and sealing or wear resistant corrosion resistant effect are played in overall gate valve structure.Separately
Outside, when mounted, by using positioning finger setting, make its it is whole install or use in will not be between the influence valve body because of external force
Position will not change.
According to one preferred embodiment, at the feeding-passage of the valve body and the outer face of tapping channel, along institute
State feeding-passage or the tapping channel is radially-inwardly respectively formed with projection；In first wear ring and described second wear-resisting
The ring-shaped platform being engaged with the projection is respectively formed with ring.
, can be in U-shaped seal by the structure for being designed as mutually fastening by valve body and the first wear ring, the second wear ring
Extruding under, the first wear ring, the second wear ring is closely attached to respectively on valve body.
According to one preferred embodiment, the drive mechanism includes handwheel, screw rod and connection component；The handwheel leads to
Cross a nut with the screw rod upper end to be connected and lock by a locking nut, set between the handwheel and the nut
There is spline；The screw rod is connected by the nut and the connection component with the bearing.The screw rod lower end with it is described
Auxiliary support plate is connected.
According to one preferred embodiment, the connection component include fixed pressure ring, roll pressure ring, soket head cap screw and
Pressure bearing；The fixed pressure ring is connected by the soket head cap screw with the bearing；The rolling pressure ring is arranged at institute
State between fixed pressure ring and the nut；The pressure bearing is arranged between the nut and the bearing, and the pressure
Power bearing is located at below the rolling pressure ring and the fixed pressure ring.
According to one preferred embodiment, the screw rod is trapezoidal screw.
According to one preferred embodiment, it is respectively arranged with connecting pin on the screw rod and the auxiliary support plate
Hole, makes the screw rod removably be connected by pin with the auxiliary support plate.
According to one preferred embodiment, first abrasion sealer, second abrasion sealer and described
Three abrasion sealers are abrasive rubber layer.
According to one preferred embodiment, counter sink is respectively arranged with the auxiliary support plate and the wearing plate,
The auxiliary support plate is set removably to be connected by fastening bolt with the wearing plate.
Compared with prior art, wear-resistant knife gate valve of the invention has the advantages that：
1. the wear-resistant knife gate valve of the present invention in valve body input and output material passage by setting the first wear ring, the second wear ring
With U-shaped seal, the input and output material passage on valve body is set to be formed as wear-resisting passage, and by the way that flashboard is designed as into auxiliary support plate
And wearing plate, and the first abrasion sealer is provided with auxiliary support plate, valve plate can be made more resistant；In addition, by incite somebody to action this
The connected mode of bearing, drive mechanism, valve body, valve plate and the sealed briquette of invention etc. is set to be detachably connected mode, can be with
Make the present invention convenient to disassembly, maintenance and replacing accessory are convenient and swift.
2. the wear-resistant knife gate valve of the present invention is by being the left valve barrel being removably connected by bolt by valve design
And right valve barrel, and the dismountable design method of valve plate is combined, the wear-resistant knife gate valve of the present invention can be made convenient to disassembly, dimension
Repair and change accessory convenient and swift, gate valve periodicity service life is longer；And set on left valve barrel and right valve barrel inner surface
Second abrasion sealer, with reference to U-shaped seal and the first abrasion sealer, can be such that valve body isolates with medium, and valve body will not be because
Dielectric corrosion or abrasion and destroy, so as to reach protection valve body, the purpose that increases the service life.
3. the mode that the wear-resistant knife gate valve of the present invention coats steel skeleton by using the 3rd abrasion sealer designs U-shaped close
Sealing, can be supported and be protected the structure of U-shaped seal by steel skeleton, will not be deformed because of the influence of external force；Pass through
Three abrasion sealers can make U-shaped seal have superpower elasticity, wear-resisting or corrosion-resistant, play close in overall gate valve structure
Envelope or wear resistant corrosion resistant effect.In addition, when mounted, by using positioning finger setting, in making it in whole installation or using not
Can be because the position between the influence valve body of external force will not change.
Brief description of the drawings
Fig. 1 is the front view of wear-resistant knife gate valve of the invention；
Fig. 2 is the left view of wear-resistant knife gate valve of the invention；
The partial sectional view of the wear-resistant knife gate valve of Fig. 3 present invention；
Fig. 4 be I in wear-resistant knife gate valve Fig. 3 of the invention at sectional view；
Fig. 5 be II in wear-resistant knife gate valve Fig. 3 of the invention at sectional view；
Fig. 6 is the front view of valve plate in wear-resistant knife gate valve of the invention；
Fig. 7 is the sectional view of valve plate in wear-resistant knife gate valve of the invention；
Fig. 8 is the front view of left valve barrel in wear-resistant knife gate valve of the invention；
Fig. 9 is the rearview of left valve barrel in wear-resistant knife gate valve of the invention；
Figure 10 is the top view of left valve barrel in wear-resistant knife gate valve of the invention；
Figure 11 is the sectional view of left valve barrel in wear-resistant knife gate valve of the invention；
Figure 12 is the sectional view of U-shaped seal in wear-resistant knife gate valve of the invention；Figure 13 is wear-resistant knife gate valve of the invention
In U-shaped seal left view；Figure 14 is the sectional view of the first wear ring in wear-resistant knife gate valve of the invention.
Reference numerals list
1- handwheels
2- screw rods
3- bearings
4- sealed briquettes
5- valve bodies
501- left valve barrels
502- right valve barrels
503- is raised
6- valve plates
601- auxiliary support plates
602- wearing plates
The abrasion sealers of 603- first
7- fastening bolts
The wear rings of 801- first
The wear rings of 802- second
803- ring-shaped platforms
9-U type seals
901- steel skeletons
The abrasion sealers of 902- the 3rd
903- dowel holes
The abrasion sealers of 10- second
11- fixed pressure rings
12- nuts
13- locking nuts
14- splines
15- rolls pressure ring
16- soket head cap screws
17- pressure bearings
18- pins
19- sealing strips
20- connecting pin bores
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings.
Fig. 1 to Figure 14 shows a kind of preferred embodiment of wear-resistant knife gate valve of the invention.
As shown in Fig. 1 to Figure 14, a kind of wear-resistant knife gate valve, it includes bearing 3, drive mechanism, valve body 5, valve plate 6,
One wear ring 801, the second wear ring 802 and U-shaped seal 9.
As shown in Figure 1, Figure 2, Figure 3 shows, drive mechanism is detachably arranged on bearing 3, and valve body 5 is detachably arranged in branch
The lower section of seat 3.
Drive mechanism includes handwheel 1, screw rod 2 and connection component.It is preferred that, screw rod 2 is trapezoidal screw.
As shown in figure 4, handwheel 1 is connected with the upper end of screw rod 2 by a nut 12 and locked by a locking nut 13.
Spline 14 is provided between handwheel 1 and nut 12.
Screw rod 2 is connected by nut 12 and connection component with bearing 3.The lower end of screw rod 2 is connected with auxiliary support plate 601
Connect.It is preferred that, connecting pin bores 20 is respectively arranged with screw rod 2 and auxiliary support plate 601, makes screw rod 2 and auxiliary support plate 601
Removably it is connected by pin 18.
Connection component includes fixed pressure ring 11, rolls pressure ring 15, soket head cap screw 16 and pressure bearing 17；Fixed pressure ring 11
It is connected by soket head cap screw 16 with bearing 3；Pressure ring 15 is rolled to be arranged between fixed pressure ring 11 and nut 12；Pressure bearing
17 are arranged between nut 12 and bearing 3, and pressure bearing 17 is located at rolling pressure ring 15 and the lower section of fixed pressure ring 11.By upper
Stating connected mode can be such that screw rod 2 is rotated on bearing 3 and without departing from bearing 3, valve plate 6 is driven by the rotation of screw rod 2
Motion, realizes the switch of valve lock.
As shown in figure 3, the first wear ring 801 is provided with the feeding-passage of valve body 5, in the tapping channel of valve body 5
It is provided with the second wear ring 802；And U-shaped seal 9 is provided between the first wear ring 801 and the second wear ring 802, make valve
Input and output material passage on body 5 is formed as wear-resisting passage.
As shown in Figure 12 and Figure 13, U-shaped seal 9 includes steel skeleton 901 and the 3rd be coated on steel skeleton 901 is wear-resisting
Sealant 902.It is preferred that, the 3rd abrasion sealer 902 is abrasive rubber layer.
The dowel hole 903 of the abrasion sealer 902 of steel skeleton 901 and the 3rd is provided through on U-shaped seal 9.It is U-shaped
Seal 9 is fixed by a pin on valve body 5.
The mode for coating steel skeleton by using the 3rd abrasion sealer designs U-shaped seal, can pass through steel skeleton branch
The structure of U-shaped seal is supportted and protected, will not be deformed because of the influence of external force；It can be made by the 3rd abrasion sealer U-shaped
Seal has superpower elasticity, wear-resisting or corrosion-resistant, and sealing or wear resistant corrosion resistant effect are played in overall gate valve structure.Separately
Outside, when mounted, by using positioning finger setting, make its it is whole install or use in will not be between the influence valve body because of external force
Position will not change.
As shown in Fig. 3, Fig. 5, the valve plate 6 being detachably connected with drive mechanism is provided with valve body 5.
As shown in Fig. 3, Fig. 6, Fig. 7, valve plate 6 includes the auxiliary support plate 601 being detachably connected with drive mechanism and removable
The wearing plate 602 being arranged on auxiliary support plate 601 unloaded.It is preferred that, auxiliary support plate 601 with setting respectively on wearing plate 602
Counter sink is equipped with, auxiliary support plate 601 is removably connected by fastening bolt 7 with wearing plate 602.
The first abrasion sealer 603 is provided with auxiliary support plate 601.It is preferred that, the first abrasion sealer 603 is resistance to
Rubber milling layer.
The upper surface of valve body 5 is provided with sealing strip indent, is provided with what is be detachably connected with valve body 5 in sealing strip indent
One sealing strip 19, is closely attached on auxiliary support plate 601 by sealed briquette 4 by sealed briquette 4.
The wear-resistant knife gate valve of the present invention in valve body input and output material passage by setting the first wear ring 801, second wear-resisting
Ring 802 and U-shaped seal 9, make the input and output material passage on valve body 6 be formed as wear-resisting passage, and by supplemented by flashboard is designed
Supporting plate 601 and wearing plate 602 are helped, and the first abrasion sealer 603 is provided with auxiliary support plate 601, valve plate can be made
It is more resistant.
In addition, by by the connected mode of bearing 3, drive mechanism, valve body 5, valve plate 6 and the sealed briquette 4 etc. of the present invention
It is set to be detachably connected mode, the present invention can be made convenient to disassembly, maintenance and replacing accessory is convenient and swift.
As one preferred embodiment, valve body 5 includes left valve barrel 501 and right valve barrel 502, as shown in Figure 3.
Left valve barrel 501 is removably connected with right valve barrel 502 by bolt.And in left valve barrel 501 and right valve barrel 502
The second abrasion sealer 10 is respectively arranged with inner surface.It is preferred that, the second abrasion sealer 21 is abrasive rubber layer.
Fig. 8 to Figure 11 shows the structural representation of left valve barrel 501 in the present invention.Right valve barrel 502 is left with left valve barrel 501
It is right symmetrical.
By being the left valve barrel and right valve barrel being removably connected by bolt by valve design, and it is removable to combine valve plate
The design method unloaded, can make the wear-resistant knife gate valve of the present invention convenient to disassembly, and maintenance and replacing accessory are convenient and swift, lock
Valve periodicity service life is longer；And the second abrasion sealer is set on left valve barrel and right valve barrel inner surface, with reference to U-shaped close
Sealing and the first abrasion sealer, can be such that valve body isolates with medium, and valve body will not be destroyed because of dielectric corrosion or abrasion, so that
The purpose for reach protection valve body, increasing the service life.
It is preferred that, at the feeding-passage of valve body 5 and the outer face of tapping channel, along feeding-passage or tapping channel radial direction
Inwardly it is respectively formed with projection 503.It is respectively formed with and matches with projection 503 on the first wear ring 801 and the second wear ring 802
The ring-shaped platform 803 of conjunction.As shown in Figure 11, Figure 14.
, can be U-shaped by the structure for being designed as mutually fastening by valve body and the first wear ring 801, the second wear ring 802
Under the extruding of seal 9, the first wear ring 801, the second wear ring 802 is set closely to be attached to respectively on valve body.
The present invention wear-resistant knife gate valve by set in valve body input and output material passage the first wear ring, the second wear ring and
U-shaped seal, makes the input and output material passage on valve body be formed as wear-resisting passage, and by by flashboard be designed as auxiliary support plate and
Wearing plate, and the first abrasion sealer is provided with auxiliary support plate, valve plate can be made more resistant；In addition, by the way that this is sent out
The connected mode of bright bearing, drive mechanism, valve body, valve plate and sealed briquette etc. is set to be detachably connected mode, can make
The present invention is convenient to disassembly, and maintenance and replacing accessory are convenient and swift.And by being detachable by bolt by valve design
The left valve barrel being connected and right valve barrel, and combine the dismountable design method of valve plate, can further make the present invention it is wear-resistant
Knife gate valve is convenient to disassembly, and maintenance and replacing accessory are convenient and swift, and gate valve periodicity service life is longer；In left valve barrel and
Second abrasion sealer is set on right valve barrel inner surface, with reference to U-shaped seal and the first abrasion sealer, valve body and Jie can be made
Matter is isolated, and valve body will not be destroyed because of dielectric corrosion or abrasion, so that the purpose for reaching protection valve body, increasing the service life.
It should be noted that all features disclosed in this specification, or disclosed all methods or during the step of,
In addition to mutually exclusive feature and/or step, it can combine in any way.
In addition, above-mentioned specific embodiment is exemplary, those skilled in the art can opening in the disclosure of invention
Give and find out various solutions, and these solutions also belong to disclosure of the invention scope and fall into the protection of the present invention
Within the scope of.It will be understood by those skilled in the art that description of the invention and its accompanying drawing be it is illustrative and not constitute to power
The limitation that profit is required.Protection scope of the present invention is limited by claim and its equivalent.
Claims (10)
1. a kind of wear-resistant knife gate valve, it is characterised in that it includes bearing (3), is detachably arranged on the bearing (3)
Drive mechanism and the valve body (5) being detachably arranged in below the bearing (3)；
The first wear ring (801) is provided with the feeding-passage of the valve body (5), in the tapping channel of the valve body (5)
It is provided with the second wear ring (802)；And it is provided with U between first wear ring (801) and second wear ring (802)
Type seal (9), makes the input and output material passage on the valve body (5) be formed as wear-resisting passage；
The valve plate (6) being detachably connected with the drive mechanism is provided with the valve body (5)；The valve plate (6) include with
Auxiliary support plate (601) and be detachably arranged on the auxiliary support plate (601) that the drive mechanism is detachably connected
Wearing plate (602)；And the first abrasion sealer (603) is provided with the auxiliary support plate (601)；
The valve body (5) upper surface is provided with sealing strip indent, is provided with the sealing strip indent and the valve body (5)
The sealed briquette (4) being detachably connected, the auxiliary branch is closely attached to by the sealed briquette (4) by a sealing strip (19)
On fagging (601).
2. a kind of wear-resistant knife gate valve according to claim 1, it is characterised in that the valve body (5) includes left valve barrel
And right valve barrel (502) (501)；
The left valve barrel (501) is removably connected with the right valve barrel (502) by bolt；And in the left valve barrel
(501) and on the right valve barrel (502) inner surface it is respectively arranged with the second abrasion sealer (10).
3. a kind of wear-resistant knife gate valve according to claim 2, it is characterised in that the U-shaped seal (9) includes reinforcing bar
Frame (901) and the 3rd abrasion sealer (902) being coated on the steel skeleton (901)；
And it is provided through the steel skeleton (901) and the 3rd abrasion sealer on the U-shaped seal (9)
(902) dowel hole (903).
4. a kind of wear-resistant knife gate valve according to claim 2, it is characterised in that the feeding-passage in the valve body (5)
At the outer face of tapping channel, radially-inwardly it is respectively formed with raised (503) along the feeding-passage or the tapping channel；
It is respectively formed with and matches with described raised (503) on first wear ring (801) and second wear ring (802)
The ring-shaped platform (803) of conjunction.
5. a kind of wear-resistant knife gate valve according to claim 1, it is characterised in that the drive mechanism include handwheel (1),
Screw rod (2) and connection component；
The handwheel (1) is connected with the screw rod (2) upper end by a nut (12) and locked by a locking nut (13),
Spline (14) is provided between the handwheel (1) and the nut (12)；
The screw rod (2) is connected by the nut (12) and the connection component with the bearing (3)；
Screw rod (2) lower end is connected with the auxiliary support plate (601).
6. a kind of wear-resistant knife gate valve according to claim 5, it is characterised in that the connection component includes fixed pressure ring
(11) pressure ring (15), soket head cap screw (16) and pressure bearing (17), are rolled；
The fixed pressure ring (11) is connected by the soket head cap screw (16) with the bearing (3)；
The rolling pressure ring (15) is arranged between the fixed pressure ring (11) and the nut (12)；
The pressure bearing (17) is arranged between the nut (12) and the bearing (3), and the pressure bearing (17)
Below the rolling pressure ring (15) and the fixed pressure ring (11).
7. a kind of wear-resistant knife gate valve according to claim 5 or 6, it is characterised in that the screw rod (2) is trapezoidal spiral shell
Bar.
8. a kind of wear-resistant knife gate valve according to claim 5 or 6, it is characterised in that in the screw rod (2) and described auxiliary
Help and connecting pin bores (20) is respectively arranged with supporting plate (601), pass through the screw rod (2) and the auxiliary support plate (601)
Pin (18) is removably connected.
9. a kind of wear-resistant knife gate valve according to claim 3, it is characterised in that first abrasion sealer (603),
Second abrasion sealer (21) and the 3rd abrasion sealer (902) are abrasive rubber layer.
10. a kind of wear-resistant knife gate valve according to claim 1, it is characterised in that the auxiliary support plate (601) and institute
State and be respectively arranged with counter sink on wearing plate (602), make the auxiliary support plate (601) with the wearing plate (602) by tight
Fixing bolt (7) is removably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386788.8A CN107023701A (en) | 2017-05-26 | 2017-05-26 | A kind of wear-resistant knife gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386788.8A CN107023701A (en) | 2017-05-26 | 2017-05-26 | A kind of wear-resistant knife gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107023701A true CN107023701A (en) | 2017-08-08 |
Family
ID=59529923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710386788.8A Pending CN107023701A (en) | 2017-05-26 | 2017-05-26 | A kind of wear-resistant knife gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107023701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20170808 |