CN206416010U - A kind of lapping device of electric power valve site examining and repairing - Google Patents
A kind of lapping device of electric power valve site examining and repairing Download PDFInfo
- Publication number
- CN206416010U CN206416010U CN201621472392.2U CN201621472392U CN206416010U CN 206416010 U CN206416010 U CN 206416010U CN 201621472392 U CN201621472392 U CN 201621472392U CN 206416010 U CN206416010 U CN 206416010U
- Authority
- CN
- China
- Prior art keywords
- shaft sleeve
- seat
- sliding shaft
- main shaft
- fixed hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 9
- 210000004907 gland Anatomy 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a kind of lapping device of electric power valve site examining and repairing, positioning disk including center drilling, it is installed with to slide in fixed hub, fixed hub in the centre bore of positioning disk and is inserted with sliding shaft sleeve, and the upper and lower ends of sliding shaft sleeve stretch out fixed hub respectively；The inner chamber upper and lower ends of sliding shaft sleeve are respectively equipped with an angular contact ball bearing, main shaft is arranged with angular contact ball bearing, the spindle nose of reducing motor of the top of main shaft with being located above sliding shaft sleeve is fixedly connected, the bottom of main shaft is arranged between aligning cover for seat, and main shaft and aligning cover for seat and leaves gap；Spherical ball is provided between the bottom surface of main shaft and the inner bottom surface of aligning cover for seat, the bottom of aligning cover for seat is fixedly connected with grinding tire.The utility model can solve the problem that welding, the grinding-in of valve problem of overweight or inconvenient dismounting, execute-in-place, with it is easy to use, simple to operate the features such as.
Description
Technical field
The utility model is related to a kind of lapping device of electric power valve site examining and repairing, belongs to the inspection of electric power valve arrangement scene
Repair technical field.
Background technology
Valve is a kind of general name of the product for media flow in control pipeline, with moving machinery.Valve is a kind of
The big and wide universal product of expense, is indispensable part in pipe-line system, it rise in systems block, adjust, connecting,
The effect of decompression, is the basic guarantee for ensureing equipment and pipe safety operation.
As unit develops to Large Copacity, high parameter direction, valve also with medium parameter raising and constantly to height
Warm high pressure direction is developed.Due to the raising of pipeline medium operating pressure, it is desirable to which valve correspondingly improves sealing structure, such as uses
New type sealing surface material, to improve sealing.
At present, pipe-line system occurs in that the combined valve of multi-purpose valve, and with the raising of automatic control technology, carries out
Centralized Control and remote control, drive device and executing agency to valve propose new requirement, such as usability is good, intensity is high,
Easy to operate, easy to maintenance and low noise etc..
The sealing surface of valve is the position for being easiest to damage, because it often works under more complicated service condition.
When valve opening or closing, sealing surface can produce abrasion due to friction, produced and invaded due to the medium effect flowed fast through
Erosion, also due to such as effect of acid, alkali and gas or water oxygen of some media, is corroded sealing surface, or due to some
Debris equivalent damage sealing surface, so valve sealing face grinding is the main project of valve maintenance.Often due to one in therrmodynamic system
The damage of valve causes whole system or unit out of service, irremediable loss is brought to factory, so to valve
The work of maintenance proposes higher requirement.
Traditional repair mode is to dismantle back factory process, or hand lapping mode.It is long to dismantle back the factory process cycle, repaiies
Phase tight workpiece of returning to work can not meet field requirement；Hand lapping mode is then to use irregular abrasive disk, or with sand paper, sand
The simple tools such as band, angle grinder carry out active grinding, but are the absence of accurate positioning datum, the control hand without port shape
Section, the basic assurance not precision of valve port, and big along with labor strength, grinding efficiency low shortcoming.Accordingly, it would be desirable to
Develop a kind of electric power valve grinding device, with solve big-and-middle-sized valve due to dismount and transport it is constant cause be difficult to repair and
The problems such as common repaired by hand is not up to standard.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of lapping device of electric power valve site examining and repairing, solves
Welding, the grinding-in of valve problem of overweight or inconvenient dismounting, execute-in-place, with it is easy to use, simple to operate the features such as.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of lapping device of electric power valve site examining and repairing, includes the positioning disk of center drilling, the centre bore of positioning disk
In be installed with to slide in fixed hub, fixed hub and be inserted with sliding shaft sleeve, and the upper and lower ends of sliding shaft sleeve are stretched out respectively
Fixed hub；The inner chamber upper and lower ends of sliding shaft sleeve are respectively equipped with an angular contact ball bearing, angular contact ball bearing and are arranged with
Main shaft, the spindle nose of reducing motor of the top of main shaft with being located above sliding shaft sleeve is fixedly connected, and the bottom of main shaft is arranged with tune
Gap is left between heart cover for seat, and main shaft and aligning cover for seat；Provided with tune between the bottom surface of main shaft and the inner bottom surface of aligning cover for seat
Bulbus cordis, the bottom of aligning cover for seat is fixedly connected with grinding tire.
Further, be installed with sliding shaft sleeve upper flange at the top of the sliding shaft sleeve, and sliding shaft sleeve upper flange with
The reductor flange of reducing motor is bolted to connection.
Further, coordinate between the sliding shaft sleeve and fixed hub for gap；Offered on the outer wall of sliding shaft sleeve
A positioning key protruded to its inner chamber is installed with one vertical chute, fixed hub, and positioning key is located in chute.
Further, on the sliding shaft sleeve and lifting nut has been connected through a screw thread above the fixed hub, and
And operation handle is fixedly provided with the outside of lifting nut.
Further, the bottom of the fixed hub is provided with dust cap.
Further, it is attached between the aligning cover for seat and main shaft by pin.
Further, the cylindrical fixing assembling of the fixed hub have offered on positioning disk, and positioning disk it is multiple can
It is directed at the positioning hole in valve seat rim of the mouth.
It is using the beneficial effect produced by above-mentioned technical proposal：
The utility model connects main shaft by reducing motor and transmits power, and manual rotation operation handle makes lifting nut band
Dynamic main shaft and the lifting of bistrique part, positioning disk are positioned with valve seat rim of the mouth, and positioning disk pressing plate compresses and realizes lapping device and valve seat pressure
Tightly, bistrique part realizes that valve scene is efficient, high-quality grinding using aligning structure.The utility model can solve the problem that valve due to
Welding, it is overweight, it is inconvenient dismounting, inconvenience transport etc. be difficult to reparation problem and repaired by hand problem not up to standard, with it is easy to use,
Simple operation and other advantages, have higher practicality for valve site examining and repairing field.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model；
In figure：1st, reducing motor, 2, locknut, 3, angular contact ball bearing, 4, sliding shaft sleeve upper flange, 5, sliding shaft sleeve, 6,
Lifting nut, 7, operation handle, 8, gland, 9, fixed hub, 10, positioning disk, 11, positioning key, 12, dust cap, 13, main shaft,
14th, aligning cover for seat, 15, spherical ball, 16, grinding tire, 17, valve seat, 18, pin, 19, thread bush, 20, positioning disk pressing plate, 21, pressure
Crab bolt, 22, copper packing.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, the utility model discloses a kind of lapping device of electric power valve site examining and repairing, including center
It is installed with to slide in fixed hub 9, fixed hub 9 in the positioning disk 10 of perforate, the centre bore of positioning disk 10 and is inserted with sliding axle
Set 5, and the upper and lower ends of sliding shaft sleeve 5 stretch out fixed hub 9 respectively；The inner chamber upper and lower ends of sliding shaft sleeve 5 are respectively equipped with
Main shaft 13 is arranged with one angular contact ball bearing 3, angular contact ball bearing 3, the top of main shaft 13 is with being located at the top of sliding shaft sleeve 5
The spindle nose of reducing motor 1 be fixedly connected；The bottom of main shaft 13 is arranged with aligning cover for seat 14, and main shaft 13 and aligning cover for seat 14
Between leave gap；Spherical ball 15, the bottom of aligning cover for seat 14 are provided between the bottom surface of main shaft 13 and the inner bottom surface of aligning cover for seat 14
Portion is fixedly connected with grinding tire 16.
Reducing motor 1 of the present utility model is integrated the type cycloidal pin reducing motor that declines, and has the characteristics that：High ratio and
High efficiency single-stage driving, efficiency is more than 90%；Compact conformation, small volume, as a result of Gear Planet Transmission principle, input shaft is defeated
Shaft is on same axial line, compared with other reducing motors with power, and bulking value reduces more than 1/3.Sliding shaft sleeve 5
Top is installed with sliding shaft sleeve upper flange 4, and the reductor flange of sliding shaft sleeve upper flange 4 and reducing motor 1 passes through bolt
It is fixedly connected.The spindle nose of reducing motor 1 is inserted into the endoporus at the top of main shaft 13, by key connection transmission rotational power.Two
Angular contact ball bearing 3 is separately positioned on the upper and lower opening position of fixed hub 9, in order to adjust the axial gap of main shaft 13,
After gap adjustment is suitable locking is connected with locknut 2.
Coordinate between sliding shaft sleeve 5 and fixed hub 9 for gap；The bottom of fixed hub 9 is provided with dust cap 12, prevents ash
Dirt, foreign matter etc. enter the gap location of sliding shaft sleeve 5 and fixed hub 9, and damage coordinates table influence work.The outer wall of sliding shaft sleeve 5
On offer a positioning key 11 protruded to its inner chamber, and positioning key be installed with a vertical chute, fixed hub 9
11 are located in chute.Lifting nut 6 has been connected through a screw thread on sliding shaft sleeve 5 and positioned at the top of fixed hub 9, and has been lifted
The outside of nut 6 is fixedly provided with operation handle 7.The top of lifting nut 6 is additionally provided with gland 8, and lifting nut 6 and gland 8
Between and lifting nut 6 and fixed hub 9 between be respectively equipped with copper packing 22.Fixed hub 9 play the guiding role, sliding shaft sleeve 5
Between fixed hub 9 by positioning key 11 realize positioning and guiding act on, make sliding shaft sleeve 5 can only in fixed hub 9 on glide
Move and can not rotate.Copper packing 22 prevents from directly contacting between lifting nut 6 and gland 8 and fixed hub 9, reduces coefficient of friction, increases
Long life.Rotating operation handle 7, realizes that lifting nut 6 coordinates with sliding shaft sleeve 5, realizes sliding shaft sleeve 5 in fixed hub
Moving up and down in 9.
The cylindrical fixing assembling of fixed hub 9, which has to offer on positioning disk 10, and positioning disk 10, multiple is directed at valve seat
The positioning hole in 17 rims of the mouth.In use, the positioning hole on positioning disk 10 is aligned one by one with the corresponding rim of the mouth of valve seat 17, then by screw thread
Set 19 is screwed into the end face screw of valve seat 17, and positioning disk pressing plate 20 is covered on positioning hole, recycles follower bolt 21 by positioning disk
10 are fixed on valve seat 17, realize lapping device the firm fixation of complete machine and main shaft 13 and repaired sealing surface it is concentric.
Bistrique part of the present utility model includes aligning cover for seat 14, pin 18, spherical ball 15 and grinding tire 16.Aligning cover for seat
Connection is screwed between 14 and grinding tire 16, spherical ball 15 is put between aligning cover for seat 14 and main shaft 13, pin is recycled
18 connection aligning cover for seat 14 between main shaft 13, and main shaft 13 and aligning cover for seat 14 with leaving gap so that grinding tire 16 is relied on
Realize that aligning is ground in gap between aligning cover for seat 14 and main shaft 13 and pin 18.
The explanation of above example is only intended to help and understands the utility model, enables professional and technical personnel in the field real
Show or use the utility model, be not limited to the utility model, it is all within spirit of the present utility model and principle, made
Any modification, equivalent substitution and improvements etc., should be included within protection domain of the present utility model.
Claims (7)
1. a kind of lapping device of electric power valve site examining and repairing, it is characterised in that：Positioning disk (10) including center drilling, it is fixed
It is installed with to slide in fixed hub (9), fixed hub (9) in the centre bore of position disk (10) and is inserted with sliding shaft sleeve (5), and it is sliding
The upper and lower ends of moving axis set (5) stretch out fixed hub (9) respectively；The inner chamber upper and lower ends of sliding shaft sleeve (5) are respectively equipped with one
Main shaft (13) is arranged with angular contact ball bearing (3), angular contact ball bearing (3), the top of main shaft (13) is with being located at sliding shaft sleeve
(5) spindle nose of the reducing motor (1) above is fixedly connected, and the bottom of main shaft (13) is arranged with aligning cover for seat (14), and main shaft
(13) gap is left between aligning cover for seat (14)；Provided with tune between the bottom surface of main shaft (13) and the inner bottom surface of aligning cover for seat (14)
Bulbus cordis (15), the bottom of aligning cover for seat (14) is fixedly connected with grinding tire (16).
2. the lapping device of electric power valve site examining and repairing according to claim 1, it is characterised in that：The sliding shaft sleeve
(5) sliding shaft sleeve upper flange (4), and the reductor method of sliding shaft sleeve upper flange (4) and reducing motor (1) are installed with the top of
Orchid is bolted to connection.
3. the lapping device of electric power valve site examining and repairing according to claim 1, it is characterised in that：The sliding shaft sleeve
(5) coordinate between fixed hub (9) for gap；A vertical chute, fixing axle are offered on the outer wall of sliding shaft sleeve (5)
A positioning key (11) protruded to its inner chamber is installed with set (9), and positioning key (11) is located in chute.
4. the lapping device of electric power valve site examining and repairing according to claim 3, it is characterised in that：The sliding shaft sleeve
(5) be connected through a screw thread lifting nut (6) on and above the fixed hub (9), and lifting nut (6) outside also
It is installed with operation handle (7).
5. the lapping device of electric power valve site examining and repairing according to claim 1, it is characterised in that：The fixed hub
(9) bottom is provided with dust cap (12).
6. the lapping device of electric power valve site examining and repairing according to claim 1, it is characterised in that：The aligning cover for seat
(14) it is attached between main shaft (13) by pin (18).
7. the lapping device of electric power valve site examining and repairing according to claim 1, it is characterised in that：The fixed hub
(9) cylindrical fixing assembling, which has, offers multiple valve seat (17) rims of the mouth of being aligned on positioning disk (10), and positioning disk (10)
Positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472392.2U CN206416010U (en) | 2016-12-30 | 2016-12-30 | A kind of lapping device of electric power valve site examining and repairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472392.2U CN206416010U (en) | 2016-12-30 | 2016-12-30 | A kind of lapping device of electric power valve site examining and repairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206416010U true CN206416010U (en) | 2017-08-18 |
Family
ID=59573373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472392.2U Expired - Fee Related CN206416010U (en) | 2016-12-30 | 2016-12-30 | A kind of lapping device of electric power valve site examining and repairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206416010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471083A (en) * | 2017-09-14 | 2017-12-15 | 沈阳多元机电设备有限公司 | A kind of steam turbine valve sealing surface of seat grinds prosthetic appliance |
| CN108705393A (en) * | 2018-05-16 | 2018-10-26 | 银川怡祥矿山机械制造有限公司 | High-pressure main throttle valve end surface grinding tool |
-
2016
- 2016-12-30 CN CN201621472392.2U patent/CN206416010U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471083A (en) * | 2017-09-14 | 2017-12-15 | 沈阳多元机电设备有限公司 | A kind of steam turbine valve sealing surface of seat grinds prosthetic appliance |
| CN107471083B (en) * | 2017-09-14 | 2023-08-11 | 沈阳多元机电设备有限公司 | Steam turbine valve seat sealing surface grinding and repairing equipment |
| CN108705393A (en) * | 2018-05-16 | 2018-10-26 | 银川怡祥矿山机械制造有限公司 | High-pressure main throttle valve end surface grinding tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 18, building No. 319, Xiangjiang Road, Shijiazhuang high tech Zone, Hebei Province Patentee after: HEBEI GUOYUAN ELECTRICAL CO.,LTD. Address before: No. 18, No. 319 Xiangjiang Road, Shijiazhuang, Hebei Patentee before: HEBEI GUOYUAN ELECTRIC POWER EQUIPMENT CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |