CN207649523U - Gland sealing clearance measuring device for steam turbine - Google Patents
Gland sealing clearance measuring device for steam turbine Download PDFInfo
- Publication number
- CN207649523U CN207649523U CN201820053980.5U CN201820053980U CN207649523U CN 207649523 U CN207649523 U CN 207649523U CN 201820053980 U CN201820053980 U CN 201820053980U CN 207649523 U CN207649523 U CN 207649523U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- bottom plate
- steam turbine
- measuring device
- gland sealing
- 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
Links
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model discloses a kind of gland sealing clearance measuring device for steam turbine, including bottom plate, the upper surface of the bottom plate is fixedly connected with driving device, the lower surface of the driving device is fixedly connected with driving gear, the driving gear is meshed with driven gear, and the driven gear is socketed in the outer surface of shaft.The gland sealing clearance measuring device for steam turbine, by the way that motor is arranged, driving gear, shaft, threaded post, slide bar, top plate and telescopic device, pneumatic capstan is placed between upper measurement piece and lower measurement piece, control motor carries out work so that the output shaft of motor rotates forward so that driving gear rotates forward, so that driving gear drives driven gear rotation, so that driven gear drives shaft rotation, so that shaft drives threaded post rotation, it is measured indirectly using tools such as galvanized wires without worker, and the resultant error value measured is reduced, and time and the muscle power for not only saving worker are measured in this way, but also work task efficiency improves.
Description
Technical field
The utility model is related to measuring device technical field, specially a kind of gland sealing clearance measuring device for steam turbine.
Background technology
Steam turbine is the rotary power machinery that the energy of steam is converted into mechanical work.Also known as steam turbine.By turning
The two aspect compositions in dynamic part and stationary part.
Existing pneumatic capstan labyrinth clearance measures and can not directly be measured to gap so that worker needs using galvanized wire etc.
Tool is measured indirectly, is reused vernier caliper and is measured galvanized wire, and the resultant error value measured in this way is larger, and survey in this way
The time for measuring not only waste worker wastes the muscle power of worker so that work task efficiency reduces.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of gland sealing clearance measuring device for steam turbine, solves
So that worker needs to be measured indirectly using tools such as galvanized wires, reuses vernier caliper and galvanized wire is measured, measure in this way
Resultant error value is larger, and the time for measuring not only waste worker in this way wastes the muscle power of worker so that the work of worker
The problem of efficiency reduces.
（Two）Technical solution
To achieve the above object, the utility model provides the following technical solutions：A kind of gland sealing clearance measuring device for steam turbine,
Including bottom plate, the upper surface of the bottom plate is fixedly connected with driving device, and the lower surface of the driving device is fixedly connected with master
Moving gear, the driving gear are meshed with driven gear, and the driven gear is socketed in the outer surface of shaft, the shaft
Outer surface is socketed in bearing, and the bearing is connected on bottom plate, and the top of the shaft is fixedly connected with threaded post, the spiral shell
The outer surface thread of line column is connected with thread cap, and the right side of the thread cap is fixedly connected with connecting rod, the connecting rod
Right end is fixedly connected with sliding sleeve, and slide bar is socketed in the sliding sleeve, and the bottom end of the slide bar is fixedly connected with the upper surface of bottom plate,
The right side of the sliding sleeve is fixedly connected with top plate, and the upper surface of the top plate offers through-hole, and the lower surface of the top plate is solid
Surely be connected with measurement piece, the lower surface of the top plate is fixedly connected with the first telescopic rod, the bottom end of first telescopic rod with
The upper surface of bottom plate is fixedly connected, and the upper surface of the bottom plate offers sliding slot, and sliding block, the sliding block are provided in the sliding slot
Left side be fixedly connected with telescopic device, the left end of the telescopic device is fixedly connected with the left side of sliding slot inner wall, described
The upper surface of sliding block is fixedly connected with measuring scale, and the right side of the sliding slot inner wall is fixedly connected with electric pushrod, described electronic
The left end of push rod is fixedly connected with block, and the block is located at the right side of sliding block, under the upper surface and fixed plate of the bottom plate
Surface is fixedly connected, and the upper surface of the fixed plate is fixedly connected with lower measurement piece, and the lower piece that measures is located at upper measurement piece
Underface.
Preferably, the telescopic device includes the second telescopic rod, and the outer surface of second telescopic rod is socketed with spring, institute
The left and right ends for stating the second telescopic rod and spring are fixedly connected with the left side of the left side of sliding slot inner wall and sliding block respectively.
Preferably, the driving device includes L-shaped fixed link, and the bottom end of the L-shaped fixed link and the upper surface of bottom plate are solid
Fixed connection, the right end of the L-shaped fixed link are fixedly connected with the left side of motor body, the output shaft and driving tooth of the motor
The upper surface of wheel is fixedly connected.
Preferably, the rotating speed of the model Y315S-10 of the motor, the motor are 590r/min.
Preferably, the front of the bottom plate is fixedly connected with power supply, and the front of the bottom plate is fixedly connected with switch, described
Power supply is located at the left side of switch.
Preferably, the output end of the power supply is electrically connected with the input terminal of switch, the output end of the switch respectively with electricity
The input terminal of machine and electric pushrod is electrically connected.
（Three）Advantageous effect
The utility model provides a kind of gland sealing clearance measuring device for steam turbine, has following advantageous effect：
1, gland sealing clearance measuring device for steam turbine, by the way that motor, driving gear, shaft, threaded post, slide bar, top is arranged
Pneumatic capstan is placed between upper measurement piece and lower measurement piece by plate and telescopic device, and control motor carries out work and makes motor
Output shaft rotates forward so that driving gear rotates forward so that driving gear drives driven gear rotation so that driven gear drives shaft
Rotation so that shaft drives threaded post rotation so that thread cap drives sliding sleeve to move down by connecting rod so that sliding sleeve drives
Top plate moves down so that above measures piece and moves down at a distance from lower measurement piece measurement Gland Clearance in Steam Turbine, then controls
Electric pushrod is shunk so that electric pushrod drives block to move right so that block no longer pushes sliding block so that telescopic device band
Movable slider moves right so that and sliding block drives measuring scale to move right and measures measurement the distance between piece and lower measurement piece, from
It is measured indirectly using tools such as galvanized wires without worker, and the resultant error value measured is reduced, and surveyed in this way
Amount not only saves time and the muscle power of worker, but also work task efficiency improves.
2, gland sealing clearance measuring device for steam turbine, by the way that sliding block and slide bar is arranged, so that sliding sleeve can be fixed
Thread cap prevents thread cap from rotating, so that threaded post can drive thread cap to move up and down when rotating, on thread cap
Sliding sleeve can be driven to be moved up and down along slide bar when lower mobile, so that thread cap will not shake and more steady when moving up and down
It is fixed.
3, gland sealing clearance measuring device for steam turbine, by the way that telescopic device is arranged, so that when electric pushrod is shunk not
When driving block to push sliding block again, telescopic device can be moved right with elongated movable slider so that measuring scale can move right
The distance between piece and lower measurements piece are measured in measurement, and sliding block will not shake and more when the movement of telescopic device elongated movable slider
Add stabilization, and the utility model which has a compact structure and a reasonable design, it is highly practical.
Description of the drawings
Fig. 1 is the cross-sectional view that the utility model is faced；
Fig. 2 is the structural schematic diagram that the utility model is faced.
In figure：1 connecting rod, 3 sliding sleeves, 4 through-holes, 5 measuring scales, 6 top plates, measures piece, 8 first telescopic rods, 9 on 7 at 2 slide bars
Lower measurement piece, 10 fixed plates, 11 electric pushrods, 12 blocks, 13 sliding slots, 14 sliding blocks, 15 telescopic devices, 151 second telescopic rods,
152 springs, 16 switches, 17 bearings, 18 shafts, 19 driven gears, 20 bottom plates, 21 driving gears, 22 driving devices, 221 L-shaped
Fixed link, 222 motors, 23 power supplys, 24 threaded posts, 25 thread caps.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, the utility model provides a kind of technical solution：A kind of gland sealing clearance measuring device for steam turbine, packet
Bottom plate 20 is included, the front of bottom plate 20 is fixedly connected with power supply 23, by the way that power supply 23 is arranged, so that power supply 23 can be motor
222 and electric pushrod 11 power so that motor 222 and electric pushrod 11 can work normally, the front of bottom plate 20 is fixed
It is connected with switch 16, power supply 23 is located at the left side of switch 16, and the output end of power supply 23 is electrically connected with the input terminal of switch 16, switch
16 output end is electrically connected with the input terminal of motor 222 and electric pushrod 11 respectively, by the way that switch 16 is arranged, so that worker
Motor 222 being controlled by switch 16 respectively and electric pushrod 11 working, the upper surface of bottom plate 20 is fixedly connected with drive
Dynamic device 22, driving device 22 include L-shaped fixed link 221, and the bottom end of L-shaped fixed link 221 is fixed with the upper surface of bottom plate 20 to be connected
It connects, by the way that L-shaped fixed link 221 is arranged, so that fuselage will not rotate and more stablize motor 222 at work, and makes
Driving gear 21 can be meshed with driven gear 19 always so that driving gear 21 can normally drive driven gear when rotating
19 rotations, the right end of L-shaped fixed link 221 are fixedly connected with the left side of 222 fuselage of motor, output shaft and the active of motor 222
The upper surface of gear 21 is fixedly connected, the model Y315S-10 of motor 222, and the rotating speed of motor 222 is 590r/min, driving dress
The lower surface for setting 22 is fixedly connected with driving gear 21, and driving gear 21 is meshed with driven gear 19, and driven gear 19 is socketed
In the outer surface of shaft 18, the outer surface of shaft 18 is socketed in bearing 17, by the way that shaft 18 and bearing 17 is arranged, so that
Threaded post 24 can normally rotate, and threaded post 24 will not shake and more stablize when rotated, and bearing 17 is connected to bottom plate 20
On, the top of shaft 18 is fixedly connected with threaded post 24, and the outer surface thread of threaded post 24 is connected with thread cap 25, thread cap 25
Right side be fixedly connected with connecting rod 1, the right end of connecting rod 1 is fixedly connected with sliding sleeve 3, slide bar 2 is socketed in sliding sleeve 3, lead to
Setting sliding block 14 and slide bar 2 are crossed, makes thread cap 25 from rotating so that sliding sleeve 3 can fix thread cap 25, to
It drives thread cap 25 to move up and down when threaded post 24 is rotated, 3 edge of sliding sleeve can be driven when thread cap 25 moves up and down
It slide bar 2 to move up and down, so that thread cap 25 will not shake when moving up and down and more stablize, the bottom end and bottom of slide bar 2
The upper surface of plate 20 is fixedly connected, and the right side of sliding sleeve 3 is fixedly connected with top plate 6, and the upper surface of top plate 6 offers through-hole 4, is led to
Setting through-hole 4 is crossed, so that measuring scale 5 will not cause to hinder to top plate 6 when top plate 6 moves down, so that measuring can
To be normally carried out, the lower surface of top plate 6, which is fixedly connected with, measures piece 7, and the lower surface of top plate 6 is fixedly connected with the first telescopic rod
8, the bottom end of the first telescopic rod 8 is fixedly connected with the upper surface of bottom plate 20, by the way that the first telescopic rod 8 is arranged, so that top plate 6
It will not shake when moving up and down and more stablize, the upper surface of bottom plate 20 offers sliding slot 13, and sliding block is provided in sliding slot 13
14, by the way that sliding slot 13 and sliding block 14 is arranged, so that measuring scale 5 can be with movable slider 14 in sliding slot 13 when moving left and right
It is mobile so that measuring scale 5 will not shake and more stablize when moving, and the left side of sliding block 14 is fixedly connected with telescopic device
15, by the way that telescopic device 15 is arranged, so that when electric pushrod 11 shrinks and no longer block 12 driven to push sliding block 14, stretch
Device 15 can be moved right with elongated movable slider 14 so that measuring scale 5, which can move right, measures measurement piece 7 and lower measurement
The distance between piece 9, and sliding block 14 will not shake and more stablize when the movement of 15 elongated movable slider 14 of telescopic device, stretch dress
It includes the second telescopic rod 151 to set 15, and the outer surface of the second telescopic rod 151 is socketed with spring 152, the second telescopic rod 151 and spring
152 left and right ends are fixedly connected with the left side of the left side of 13 inner wall of sliding slot and sliding block 14 respectively, a left side for telescopic device 15
End is fixedly connected with the left side of 13 inner wall of sliding slot, and the upper surface of sliding block 14 is fixedly connected with measuring scale 5, the right side of 13 inner wall of sliding slot
Side is fixedly connected with electric pushrod 11, and the left end of electric pushrod 11 is fixedly connected with block 12, by the way that electric pushrod 11 is arranged
With block 12, push measuring scale 5 far from lower measurement so that electric pushrod 11 can drive block 12 to be moved to the left when extending
Piece 9, so that measuring scale 5 will not cause to hinder to upper measurement piece 7 and lower measurement piece 9 to the measurement of pneumatic capstan, block 12
In the right side of sliding block 14, the upper surface of bottom plate 20 is fixedly connected with the lower surface of fixed plate 10, and the upper surface of fixed plate 10 is fixed
It is connected with lower measurement piece 9, the lower piece 9 that measures is located at the upper underface for measuring piece 7.
In use, pneumatic capstan is placed between upper measurement piece 7 and lower measurement piece 9 by worker, then controlled by switch 16
Motor 222 carry out work so that motor 222 output shaft rotate forward so that driving gear 21 rotate forward so that driving gear 21 drive from
Moving gear 19 rotates forward so that driven gear 19 drives shaft 18 to rotate forward so that shaft 18 drives threaded post 24 to rotate forward so that screw thread
Cap 25 drives sliding sleeve 3 to move down by connecting rod 1 so that sliding sleeve 3 drives top plate 6 to move down so that it is downward above to measure piece 7
It is mobile to be measured at a distance from Gland Clearance in Steam Turbine with lower measurement piece 9, it then controls electric pushrod 11 and shrinks so that electric pushrod 11
Block 12 is driven to move right so that block 12 no longer pushes sliding block 14 so that telescopic device 15 moves right with movable slider 14,
So that sliding block 14, which drives measuring scale 5 to move right, measures measurement the distance between piece 7 and lower measurement piece 9, after being measured,
The output shaft for controlling motor 222 inverts so that threaded post 24 inverts so that thread cap 25 drives top plate 6 to be moved upward to initial bit
It sets so that above measure piece 7 and the separation of lower measurement piece 9 so that worker can take out pneumatic capstan, and last worker controls electric pushrod 11
Elongation drives block 12 to be moved to the left so that sliding block 14 forced back towards initial position.
It can to sum up obtain, 1, the gland sealing clearance measuring device for steam turbine, pass through and motor 222, driving gear 21, shaft are set
Pneumatic capstan is placed between upper measurement piece 7 and lower measurement piece 9 by 18, threaded post 24, slide bar 2, top plate 6 and telescopic device 15, control
Motor 222 processed carries out work so that the output shaft of motor 222 rotates forward so that driving gear 21 rotates forward so that driving gear 21 drives
Driven gear 19 rotates so that driven gear 19 drives shaft 18 to rotate so that shaft 18 drives threaded post 24 to rotate so that spiral shell
Line cap 25 by connecting rod 1 drive sliding sleeve 3 move down so that sliding sleeve 3 drive top plate 6 move down so that above measure piece 7 to
Lower movement is measured with lower measurement piece 9 at a distance from Gland Clearance in Steam Turbine, is then controlled electric pushrod 11 and is shunk so that electric pushrod
11 drive blocks 12 move right so that block 12 no longer pushes sliding block 14 so that telescopic device 15 moves right with movable slider 14
It is dynamic so that sliding block 14 drives measuring scale 5 to move right and measures measurement the distance between piece 7 and lower measurement piece 9, without
Worker is measured indirectly using tools such as galvanized wires, and the resultant error value measured is reduced, and measures not only save in this way
Time and the muscle power of worker are saved, but also work task efficiency improves.
2, gland sealing clearance measuring device for steam turbine, by the way that sliding block 14 and slide bar 2 is arranged, so that sliding sleeve 3 can be consolidated
Surely living thread cap 25 makes thread cap 25 from rotating, and is moved down on thread cap 25 so that threaded post 24 can drive when rotating
It is dynamic, sliding sleeve 3 can be driven to be moved up and down along slide bar 2 when thread cap 25 moves up and down, so that thread cap 25 moves up and down
Shi Buhui shakes and more stablizes.
3, gland sealing clearance measuring device for steam turbine, by the way that telescopic device 15 is arranged, so that when electric pushrod 11 is received
When contracting no longer drives block 12 to push sliding block 14, telescopic device 15 can be moved right with elongated movable slider 14 so that measuring scale 5
It can move right and measure the distance between piece 7 and lower measurement piece 9 on measuring, and 15 elongated movable slider 14 of telescopic device moves
When sliding block 14 will not shake and more stablize, and the utility model which has a compact structure and a reasonable design is highly practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of gland sealing clearance measuring device for steam turbine, including bottom plate（20）, it is characterised in that：The bottom plate（20）Upper surface
It is fixedly connected with driving device（22）, the driving device（22）Lower surface be fixedly connected with driving gear（21）, the master
Moving gear（21）With driven gear（19）It is meshed, the driven gear（19）It is socketed in shaft（18）Outer surface, described turn
Axis（18）Outer surface be socketed in bearing（17）It is interior, the bearing（17）It is connected to bottom plate（20）On, the shaft（18）Top
End is fixedly connected with threaded post（24）, the threaded post（24）Outer surface thread be connected with thread cap（25）, the thread cap
（25）Right side be fixedly connected with connecting rod（1）, the connecting rod（1）Right end be fixedly connected with sliding sleeve（3）, the sliding sleeve
（3）Inside it is socketed with slide bar（2）, the slide bar（2）Bottom end and bottom plate（20）Upper surface be fixedly connected, the sliding sleeve（3）'s
Right side is fixedly connected with top plate（6）, the top plate（6）Upper surface offer through-hole（4）, the top plate（6）Lower surface
It is fixedly connected with measurement piece（7）, the top plate（6）Lower surface be fixedly connected with the first telescopic rod（8）, described first is flexible
Bar（8）Bottom end and bottom plate（20）Upper surface be fixedly connected, the bottom plate（20）Upper surface offer sliding slot（13）, described
Sliding slot（13）Inside it is provided with sliding block（14）, the sliding block（14）Left side be fixedly connected with telescopic device（15）, described flexible
Device（15）Left end and sliding slot（13）The left side of inner wall is fixedly connected, the sliding block（14）Upper surface be fixedly connected with survey
Gage（5）, the sliding slot（13）The right side of inner wall is fixedly connected with electric pushrod（11）, the electric pushrod（11）Left end
It is fixedly connected with block（12）, the block（12）Positioned at sliding block（14）Right side, the bottom plate（20）Upper surface and fixation
Plate（10）Lower surface be fixedly connected, the fixed plate（10）Upper surface be fixedly connected with lower measurement piece（9）, the lower measurement
Piece（9）Positioned at upper measurement piece（7）Underface.
2. gland sealing clearance measuring device for steam turbine according to claim 1, it is characterised in that：The telescopic device（15）Packet
Include the second telescopic rod（151）, second telescopic rod（151）Outer surface be socketed with spring（152）, second telescopic rod
（151）And spring（152）Left and right ends respectively with sliding slot（13）The left side of inner wall and sliding block（14）Left side fix connect
It connects.
3. gland sealing clearance measuring device for steam turbine according to claim 1, it is characterised in that：The driving device（22）Packet
Include L-shaped fixed link（221）, the L-shaped fixed link（221）Bottom end and bottom plate（20）Upper surface be fixedly connected, the L-shaped is solid
Fixed pole（221）Right end and motor（222）The left side of fuselage is fixedly connected, the motor（222）Output shaft and driving tooth
Wheel（21）Upper surface be fixedly connected.
4. gland sealing clearance measuring device for steam turbine according to claim 3, it is characterised in that：The motor（222）Type
Number be Y315S-10, the motor（222）Rotating speed be 590r/min.
5. gland sealing clearance measuring device for steam turbine according to claim 1, it is characterised in that：The bottom plate（20）Front
It is fixedly connected with power supply（23）, the bottom plate（20）Front be fixedly connected with switch（16）, the power supply（23）Positioned at switch
（16）Left side.
6. gland sealing clearance measuring device for steam turbine according to claim 5, it is characterised in that：The power supply（23）Output
End and switch（16）Input terminal electrical connection, the switch（16）Output end respectively with motor（222）And electric pushrod（11）
Input terminal electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053980.5U CN207649523U (en) | 2018-01-12 | 2018-01-12 | Gland sealing clearance measuring device for steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053980.5U CN207649523U (en) | 2018-01-12 | 2018-01-12 | Gland sealing clearance measuring device for steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649523U true CN207649523U (en) | 2018-07-24 |
Family
ID=62876318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820053980.5U Expired - Fee Related CN207649523U (en) | 2018-01-12 | 2018-01-12 | Gland sealing clearance measuring device for steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724499A (en) * | 2018-12-25 | 2019-05-07 | 合肥中科离子医学技术装备有限公司 | One kind being used for cyclotron magnetic pole gap measuring device and method |
-
2018
- 2018-01-12 CN CN201820053980.5U patent/CN207649523U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724499A (en) * | 2018-12-25 | 2019-05-07 | 合肥中科离子医学技术装备有限公司 | One kind being used for cyclotron magnetic pole gap measuring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203765631U (en) | Gear combined motion manipulator | |
| CN204546540U (en) | outlet manipulator control system | |
| CN105328247B (en) | Hoisting milling machine device | |
| CN207649523U (en) | Gland sealing clearance measuring device for steam turbine | |
| CN108972596A (en) | A kind of manipulator being easily installed | |
| CN109159092A (en) | A kind of liftable hacking machine worktable | |
| CN101722436A (en) | Driving mechanism for nut rotary type long lead screw | |
| CN113601581A (en) | Wind-powered electricity generation blade overlap cutting robot | |
| CN206717859U (en) | A kind of multi-functional single shaft servo manipulator | |
| CN109202480A (en) | A kind of milling machine is with material stationary machines people | |
| CN108768271A (en) | A kind of photovoltaic power generation apparatus having regulatory function | |
| CN204588296U (en) | A kind of cable packing apparatus | |
| CN108412226A (en) | It is a kind of to facilitate the building template support leg for adjusting support degree | |
| CN207223209U (en) | A kind of laser lace machine | |
| CN108458210A (en) | A kind of fixing device convenient for fixed construction equipment | |
| CN208009934U (en) | It is a kind of to facilitate the building template support leg for adjusting support degree | |
| CN208758541U (en) | A kind of cutter device that spring notch is smooth | |
| CN208666807U (en) | A kind of power cable wrap-up easy to remove | |
| CN201592369U (en) | Nut rotary long lead screw driving mechanism | |
| CN208285262U (en) | The photovoltaic power generation apparatus for having regulatory function | |
| CN207288132U (en) | Coal dust mechanical arm is cleared up in a kind of colliery | |
| CN208132448U (en) | A kind of clamping device for machining | |
| CN206804706U (en) | IV test devices | |
| CN207606282U (en) | Bearing machining equipment with garbage collection function | |
| CN209078058U (en) | A kind of laser cutting machine positioning tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20200112 |