CN204922049U - Sealed face of ground paste valve or baiting valve grinds restores structure - Google Patents
Sealed face of ground paste valve or baiting valve grinds restores structure Download PDFInfo
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- CN204922049U CN204922049U CN201520727764.0U CN201520727764U CN204922049U CN 204922049 U CN204922049 U CN 204922049U CN 201520727764 U CN201520727764 U CN 201520727764U CN 204922049 U CN204922049 U CN 204922049U
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- stem mut
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a sealed face of ground paste valve or baiting valve grinds restores structure. The sealed face of a present valve grinds the restoration method at any time, and its structure processing cost of restoreing usefulness is high, and the operation of grinding before restoreing is more troublesome. The utility model discloses a characterized in that is located a fixed connection guide on two valve rods between the support piece, but this guide joint no. 1 and the inside wall cooperation of support piece use prevent changeing the piece, a top fixed connection gear box of two support pieces is equipped with a pair of intermeshing's bevel gear in this gear box, driven bevel gear and one set of valve -stem nut fixed connection on the valve rod, but outer and its the lateral wall joint of gear box is placed in to valve -stem nut's lower part prevent changeing the piece, the valve rod adopt screw thread and one set of locking wrench connecting above that, the top fixed connection no. 1 of valve rod grinds the spanner. The utility model discloses the restoration of adopting is rational in infrastructure, and the processing cost is low, grinds easy and simple to handle before restoreing, the convenient restoration.
Description
Technical field
The utility model relates to valve sealing face field, specifically a kind of sealing surface grinding repair structure being applied to slurry valve or discharging valve.
Background technique
Alumina slurry, when flowing through slurry valve or dispensing valve, is very easy to produce deposition at valve internal, scab, thus has a strong impact on the usability of valve.The manufacturing process of current valve and the material of employing made the deposition of alumina slurry in valve, scab that it is little to be down to again, but deposition, scabbing still can occur, and valve can be caused time serious to use; As adopted reparation, the pipeline of valve from process for making alumina must be pulled down, but this cannot realize in a continuous print manufacture cycle.
The patent No. be 200910154813.5 the Chinese patent sealing surface that discloses a kind of slurry valve grind restorative procedure at any time, the method can directly be repaired the valve on process pipeline, can not affect production, and has the advantage that valve need not take apart; But still there is following shortcoming in the method: need extra installation one guide plate on support, the lower end of guide plate is coupling on support, and upper end adopts screw to be connected with support, and guide plate is provided with guiding rib, a torsional stop valve rod is equipped with, torsional stop be provided with guiding rib with the use of guiding groove.Need before reparation to unload screw, the upper end of guide plate and support are thrown off, and Dao departs from Xiang Zhu and guiding groove, and the lower end of guide plate is opened around axle upset, now can carry out grinding reparation; Before valve normally uses, need Dao to snap in guiding groove Xiang Zhu, and be fixedly connected on support with the upper end of screw by guide plate.Owing to will install guide plate on support, and support needs formation one for placing the slotted eye of guide plate, processing cost is high; And the disassembling section of guide plate is cumbersome before grinding.
Model utility content
Technical problem to be solved in the utility model is the defect overcoming the existence of above-mentioned prior art, provides a kind of slurry valve of improvement or the sealing surface grinding repair structure of discharging valve, to cut down finished cost, conveniently grinds reparation.
For this reason, the utility model adopts following technological scheme: the sealing surface grinding repair structure of slurry valve or discharging valve, and the flap comprising valve seat, be arranged on the valve body on valve seat and be placed in valve body, flap connects a valve rod, it is characterized in that,
Two pieces of rack plates be symmetrical set are equipped with at the top of described valve body, valve rod between two pieces of rack plates is fixedly connected with a guiding element, this guiding element can clamping one and rack plate madial wall with the use of Anti-rotary block, stop that Anti-rotary block rotates by the madial wall of rack plate, thus prevent valve rod from rotating;
Bottom and a upper flange formed by integrally casting of described two pieces of rack plates are shaping, and top and a lower flange formed by integrally casting of valve body are shaping, and upper and lower flange is bolted;
The top of described two pieces of rack plates is fixedly connected with a gear-box, this gear-box is built with a pair intermeshing bevel gear, drive bevel gear is connected with the handwheel be arranged on gear-box, the rotation of drive bevel gear is driven by the rotation of handwheel, the Stem Mut that driven wheel of differential and is enclosed within valve rod is fixedly connected with, and Stem Mut adopts with valve rod and is threaded; Stem Mut is movably connected in gear-box and can rotates in gear-box, and the bottom of Stem Mut is placed in outer and its outer side wall of gear-box can Anti-rotary block described in clamping, stops that Anti-rotary block rotates, thus prevent Stem Mut from rotating by the madial wall of rack plate;
Described valve rod adopts screw thread to be connected with a set of locking wrench thereon, and the bottom surface of this locking wrench is positioned at directly over Stem Mut end face; The top of described valve rod is fixedly connected with a grinding spanner.
The utility model does not need to carry out architecture advances to existing support, only needs the extension of Stem Mut, and it is outer and can clamping Anti-rotary block that its underpart is placed in gear-box; In addition, for ensureing the normal use of valve, only needing to arrange on valve rod can the guide plate of clamping Anti-rotary block, guide plate and Stem Mut share an Anti-rotary block, and Anti-rotary block selects to be placed on (guide plate or Stem Mut) on which position according to residing state (grinding reparation state or normal operating condition).
As improving further and supplementing technique scheme, the utility model takes following technical measures:
Cylindrically and be enclosed within valve rod, the outer side wall of this guiding element forms two draw-in grooves be symmetrical set, and described draw-in groove is for locating Anti-rotary block for described guiding element.
The outer side wall being placed in the Stem Mut bottom outside gear-box forms two locating slots be symmetrical set, and described locating slot is for locating Anti-rotary block.
Described Anti-rotary block takes the shape of the letter U, and the both sides of this shape are mated with two pieces of rack plates respectively and used, and opening side is used for picking and placeing.
Described Stem Mut is movably connected on gear-box by bearing and bearing support, ensures that Stem Mut only rotates, does not produce and move axially.
The utility model has following beneficial effect: the utility model does not need to carry out architecture advances to existing support, and the repair structure adopted is reasonable and reliable and stable, and processing cost is low, grinds preprosthetic easy and simple to handle, convenient reparation.
Accompanying drawing explanation
Fig. 1 is structure sectional view of the present utility model.
Fig. 2 is that A-A of the present invention is to enlarged view.
Fig. 3-5 is that (Fig. 3-4 is the preprosthetic schematic diagram of grinding to structural representation of the present utility model, and in Fig. 3, Anti-rotary block is not all installed in the bottom of guiding element and Stem Mut; In Fig. 4, Anti-rotary block do not installed by guiding element, Anti-rotary block is installed in the bottom of Stem Mut; Under Fig. 5 is in normal operating condition, Anti-rotary block installed by guiding element, Anti-rotary block is not installed in the bottom of Stem Mut).
Fig. 6 is the structural representation of the utility model Anti-rotary block.
Fig. 7 is the structure sectional view of the utility model when normally using.
In figure, 1-valve seat, 2-valve body, 3-flap, 4-valve rod, 5-rack plate, 6-guiding element, 7-Anti-rotary block, 8-upper flange, 9-lower flange, 10-gear-box, 11-drive bevel gear, 12-handwheel, 13-driven wheel of differential, 14-Stem Mut, 15-locking wrench, 16-grinds spanner, 17-draw-in groove, 18-locating slot.
Embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model is further described.
Sealing surface grinding repair structure as shown in the figure, valve body 2 is arranged on valve seat 1, is placed on the flap 3 in valve body and connects valve rod 4.Two pieces of rack plates be symmetrical set 5 are equipped with at the top of valve body 2, valve rod between two pieces of rack plates is fixedly connected with guiding element 6, this guiding element 6 can clamping and rack plate 5 madial wall with the use of U-shaped Anti-rotary block 7, stop that Anti-rotary block 7 rotates by the madial wall of rack plate 5, thus prevent valve rod 4 from rotating.
Bottom and upper flange 8 formed by integrally casting of two pieces of rack plates 5 are shaping, and top and lower flange 9 formed by integrally casting of valve body 4 are shaping, and upper and lower flange 8,9 is bolted.
The top of two pieces of rack plates 5 is fixedly connected with gear-box 10, this gear-box 10 is built with a pair intermeshing bevel gear, drive bevel gear 11 is connected with the handwheel 12 be arranged on gear-box, the rotation of drive bevel gear 11 is driven by the rotation of handwheel 12, driven wheel of differential 13 is fixedly connected with the Stem Mut 14 be enclosed within valve rod, and Stem Mut 14 adopts with valve rod 4 and is threaded; Stem Mut 14 is movably connected in gear-box 10 by bearing and bearing support, can rotate in gear-box 10, the bottom of Stem Mut 14 is placed in outer and its outer side wall of gear-box 10 can clamping U-shaped Anti-rotary block 7, stop that Anti-rotary block 7 rotates by the madial wall of rack plate 5, thus prevent Stem Mut 14 from rotating.
Valve rod 4 adopts screw thread to be connected with cover locking wrench 15 thereon, and the bottom surface of this locking wrench 15 is positioned at directly over Stem Mut 14 end face; The top of described valve rod 4 is fixedly connected with grinding spanner 16.
Cylindrically and be enclosed within valve rod 4, the outer side wall of this guiding element 6 forms two draw-in grooves be symmetrical set 17, and described draw-in groove 17 is for locating Anti-rotary block 7 for guiding element 6.The outer side wall being placed in the Stem Mut bottom outside gear-box forms two locating slots be symmetrical set 18, and described locating slot 18 is for locating Anti-rotary block 7.
The restorative procedure of above-mentioned slurry valve or discharging valve sealing surface grinding repair structure, its step is as follows:
1) handwheel is rotated along same direction, drive bevel gear, driven wheel of differential and Stem Mut is driven to rotate by the rotation of handwheel, Stem Mut is rotated by thread belt ovable valve stem, and valve rod drops to flap and contacts with valve seat, now the non-clamping Anti-rotary block in the bottom of guiding element or Stem Mut;
2) Anti-rotary block is connected on the outer side wall of the Stem Mut bottom be placed in outside gear-box, twist locking wrench downwards until its bottom surface is pressed on the end face of Stem Mut, make the mutual tightening of valve rod and Stem Mut become to be integrated, Anti-rotary block is used for preventing Stem Mut from rotating;
3) take off Anti-rotary block from the outer side wall of Stem Mut bottom, rotate grinding spanner, valve rod and Stem Mut rotate as integral piece, flap and sealing surface of seat are ground mutually, until repair valve sealing face completely.
After having ground, upwards unscrew locking wrench, counter-rotation handwheel, valve rod rotates, and rise after making flap depart from valve seat a segment distance, then by Anti-rotary block clamping over the guide, now can normally use slurry valve or discharging valve.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in protection domain of the present utility model.
Claims (5)
1. the sealing surface grinding repair structure of slurry valve or discharging valve, the flap (3) comprising valve seat (1), be arranged on the valve body (2) on valve seat and be placed in valve body, upper connection one valve rod (4) of flap (3), is characterized in that
Two pieces of rack plates be symmetrical set (5) are equipped with at the top of described valve body (2), valve rod between two pieces of rack plates is fixedly connected with a guiding element (6), this guiding element (6) can clamping one and rack plate (5) madial wall with the use of Anti-rotary block (7), stop that Anti-rotary block (7) rotates by the madial wall of rack plate (5), thus prevent valve rod (4) from rotating;
Bottom and a upper flange (8) formed by integrally casting of described two pieces of rack plates (5) are shaping, top and a lower flange (9) formed by integrally casting of valve body (4) are shaping, and upper and lower flange (8,9) is bolted;
The top of described two pieces of rack plates (5) is fixedly connected with a gear-box (10), this gear-box (10) is built with a pair intermeshing bevel gear, drive bevel gear (11) is connected with the handwheel be arranged on gear-box (12), the rotation of drive bevel gear (11) is driven by the rotation of handwheel (12), the Stem Mut (14) that driven wheel of differential (13) and is enclosed within valve rod is fixedly connected with, and Stem Mut (14) adopts with valve rod (4) and is threaded; Stem Mut (14) is movably connected in gear-box (10) and can rotates in gear-box (10), the bottom of Stem Mut (14) is placed in gear-box (10) and its outer side wall can Anti-rotary block (7) described in clamping outward, stop that Anti-rotary block (7) rotates by the madial wall of rack plate (5), thus prevent Stem Mut (14) from rotating;
Described valve rod (4) adopts screw thread to be connected with a set of locking wrench (15) thereon, and the bottom surface of this locking wrench (15) is positioned at directly over Stem Mut (14) end face; The top of described valve rod (4) is fixedly connected with a grinding spanner (16).
2. the sealing surface grinding repair structure of slurry valve according to claim 1 or discharging valve, it is characterized in that, described guiding element (6) cylindrically and be enclosed within valve rod (4), the outer side wall of this guiding element (6) forms two draw-in grooves be symmetrical set (17), and described draw-in groove (17) is for locating Anti-rotary block (7).
3. the sealing surface grinding repair structure of slurry valve according to claim 1 or discharging valve, it is characterized in that, the outer side wall being placed in the Stem Mut bottom outside gear-box forms two locating slots be symmetrical set (18), and described locating slot (18) is for locating Anti-rotary block (7).
4. the sealing surface grinding repair structure of the slurry valve according to claim 1,2 or 3 or discharging valve, it is characterized in that, described Anti-rotary block (7) takes the shape of the letter U.
5. the sealing surface grinding repair structure of the slurry valve according to claim 1,2 or 3 or discharging valve, it is characterized in that, described Stem Mut (14) is movably connected on gear-box (10) by bearing and bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727764.0U CN204922049U (en) | 2015-09-18 | 2015-09-18 | Sealed face of ground paste valve or baiting valve grinds restores structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727764.0U CN204922049U (en) | 2015-09-18 | 2015-09-18 | Sealed face of ground paste valve or baiting valve grinds restores structure |
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| CN204922049U true CN204922049U (en) | 2015-12-30 |
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| CN201520727764.0U Active CN204922049U (en) | 2015-09-18 | 2015-09-18 | Sealed face of ground paste valve or baiting valve grinds restores structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090544A (en) * | 2015-09-18 | 2015-11-25 | 浙江高中压阀门有限公司 | Grinding restoration structure and method for seal face of slurry valve or discharging valve |
| CN108547958A (en) * | 2018-06-11 | 2018-09-18 | 苏州纽威阀门股份有限公司 | A kind of pulp stock valve |
-
2015
- 2015-09-18 CN CN201520727764.0U patent/CN204922049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090544A (en) * | 2015-09-18 | 2015-11-25 | 浙江高中压阀门有限公司 | Grinding restoration structure and method for seal face of slurry valve or discharging valve |
| CN108547958A (en) * | 2018-06-11 | 2018-09-18 | 苏州纽威阀门股份有限公司 | A kind of pulp stock valve |
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