CN206780219U - Penstock activity inner support - Google Patents
Penstock activity inner support Download PDFInfo
- Publication number
- CN206780219U CN206780219U CN201720297306.7U CN201720297306U CN206780219U CN 206780219 U CN206780219 U CN 206780219U CN 201720297306 U CN201720297306 U CN 201720297306U CN 206780219 U CN206780219 U CN 206780219U
- Authority
- CN
- China
- Prior art keywords
- penstock
- support
- support bar
- leading screw
- inner support
- 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
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model provides a kind of penstock activity inner support, supporting plate is fixedly connected with multiple screw thread rotation sets, one end connection of screw thread rotation set and support bar, the other end and the support leading screw socket of support bar, the termination of support leading screw is provided with curved roof, and locking nut is provided with support leading screw.By using supporting plate, support bar and the structure for supporting leading screw, make whole inner support that there is enough rigidity, be easily installed and remove repeatable utilization, effectively prevent penstock from making, transport, losing circle in installation process.Reduce penstock making, installation measure expense, cost-effective, raising profitability.
Description
Technical field
Making and the installing area of the medium-and-large-sized penstock of hydroelectric facility are the utility model is related to, it is particularly a kind of to be used to press
The activity inner support of power steel pipe.
Background technology
At present, pressure steel pipe of hydropower station makes typically prevents tube coupling from losing circle using welding inner support, and inner support assembling is cumbersome
And waste a large amount of section bars（It is disposable, not reproducible utilization after section bar welding）, it is unfavorable that cost is reduced to general item investment；And
Welding inner support also needs to spend substantial amounts of man power and material, because inner support and penstock tube wall are welded, also easily injures steel
Pipe mother metal, it is not easy to ensure for the production quality of penstock；Treat that penstock is adjusted in installation position, welds, poured
Cheng Hou, after concrete reaches the pre- solidifying phase, the inner support that also welded to penstock inwall is removed, and inner support excision process also can
Steel pipe inner tubal wall is injured again, so as to have to carry out reparation of doing over again；Bracing demolition will also waste more artificial and cutting
Gas；Made for penstock, installation project cost savings are very unfavorable.
The U of Chinese patent literature CN 203621840 describe a kind of adjustable steel tube end support device, are related to steel pipe support
Engineering device technique field.More than the 4 uniform supports radially arranged including jackshaft and on the excircle of jackshaft
Bar, support bar include first support bar and second support bar, and arc, second support bar are provided with the free end of first support bar
The bearing of trend of free end be provided with adjusting apparatus, be provided with arc, the equal convex surface of arc in the other end of adjusting apparatus
Outwards lay, the extrados of each arc is on the same circumference using the axle center of jackshaft as the center of circle.But the structure is present
The problem of rigidity is poor.It is difficult to on large-scale penstock of the diameter more than more than 2 meters.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of penstock activity inner support, is easily installed,
Penstock is easy to remove after pouring installation, has enough rigidity, repeatable utilization and effectively prevent steel pipe manufacturing, transport,
Circle is lost in installation process.And cost is not high.
In order to solve the above technical problems, technical scheme is used by the utility model：Propped up in a kind of penstock activity
Support, supporting plate are fixedly connected with multiple screw thread rotation sets, one end connection of screw thread rotation set and support bar, the other end and branch of support bar
Support wire thick stick is socketed, and supports the termination of leading screw to be provided with curved roof, and locking nut is provided with support leading screw.
In preferable scheme, described supporting plate is annular slab, and supporting plate is two, and multiple screw thread rotation sets are welded on support
Between plate, the radial arrangement of the axis of screw thread rotation set along supporting plate.
In preferable scheme, described support bar is tube-like piece, and attaching nut is welded with one end of support bar, connects spiral shell
Mother is threadedly coupled by stud with screw thread rotation set.
In preferable scheme, the other end of support bar is provided with guide pin bushing, and guide pin bushing is slidably connected with support leading screw.
In preferable scheme, guide pin bushing inwall is provided with the protruding rail arranged along axis, supports the outer wall of leading screw provided with corresponding recessed
Groove, protruding rail are slidably matched with groove.
In preferable scheme, described protruding rail is 1 ~ 4.
In preferable scheme, the magnet ring for holding support leading screw is additionally provided near guide pin bushing.
In preferable scheme, the first hanger is provided with curved roof, the second hanger, the first hanger are provided with support bar
It is connected between the second hanger by steel wire rope, the length of steel wire rope makes to disengage between support leading screw and support bar.
In preferable scheme, the quantity of screw thread rotation set is 6 ~ 10, and circumferentially uniformly, support bar is corresponding with support leading screw
For 6 ~ 10.
In preferable scheme, described curved roof matches with the inwall radian of penstock.
In preferable scheme, one end of support bar is threadedly coupled by external screw thread with screw thread rotation set, the other end of support bar
Nut is installed with, is threadedly coupled by internal thread with support leading screw, the thread rotary orientation at support bar both ends is opposite.
A kind of penstock activity inner support provided by the utility model, by using supporting plate, support bar and supporting wire
The structure of thick stick, make whole inner support that there is enough rigidity, be easily installed and remove repeatable utilization, effectively prevent penstock
Making, transport, circle is lost in installation process.Reduce penstock making, installation measure expense, cost-effective, raising profit energy
Power.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is side structure schematic view of the present utility model.
Fig. 3 is the side structure schematic view during the utility model use.
Fig. 4 is the main structure diagram during the utility model use.
Fig. 5 is the A-A schematic cross-sectional views in Fig. 1.
In figure：Leading screw 1 is supported, curved roof 2, supporting plate 3, support bar 4, screw thread rotation set 5, attaching nut 6, stud
7, guide pin bushing 8, protruding rail 81, magnet ring 9, locking nut 10, penstock 11, steel wire rope 12.
Embodiment
The reason for inventor has found, causes support member insufficient rigidity is increased with the diameter of penstock, support bar
Length, the deformation of support bar itself, insufficient rigidity is caused, easily produces deformation.
Embodiment 1：
In Fig. 1 ~ 4, a kind of penstock activity inner support, supporting plate 3 is fixedly connected with multiple screw thread rotation sets 5, screw thread
Rotation set 5 is connected with one end of support bar 4, and the other end and the support leading screw 1 of support bar 4 are socketed, and socket herein includes slip cap
Connect and be socketed two kinds of connected modes with screw thread, the termination of support leading screw 1 is provided with curved roof 2, and locking screw is provided with support leading screw 1
Mother 10.Thus structure, by rotational support leading screw 1, locking nut 10 is then locked, you can the length of whole support bar is adjusted,
So as to which curved roof 2 to be supported on to the inwall of penstock 11.During dismounting, operated with opposite way.The supporting plate 3 of setting
Structure, be advantageous to shorten the length of support bar 4,
In preferable scheme such as Fig. 1,2, described supporting plate 3 is annular slab, and supporting plate 3 is two, multiple screw thread rotation sets 5
It is welded between supporting plate 3, the radial arrangement of the axis of screw thread rotation set 5 along supporting plate 3.
Embodiment 2：
On the basis of embodiment 1, in preferable scheme such as Fig. 2,3, one end of support bar 4 is welded with screw rod, and screw rod leads to
Cross external screw thread to be threadedly coupled with screw thread rotation set 5, the other end of support bar 4 is installed with nut by welding, and nut passes through internal thread
It is threadedly coupled with support leading screw 1, the thread rotary orientation at support bar both ends is opposite.Thus structure, it is i.e. adjustable by rotary supporting rod
The length of whole support bar.
Embodiment 3：
On the basis of embodiment 1, in preferable scheme such as Fig. 1, described support bar 4 is tube-like piece, in support bar 4
One end is welded with attaching nut 6, and attaching nut 6 is threadedly coupled by stud 7 with screw thread rotation set 5.Stud 7 herein
Also using the opposite structure of thread rotary orientation, the regulation of stud 7 is very fast, available for coarse adjustment, after the completion of regulation, with locking screw
Mother's locking.
In preferable scheme such as Fig. 1, the other end of support bar 4 is provided with guide pin bushing 8, and guide pin bushing 8 is with supporting leading screw 1 to be slidably connected.
Thus structure, reduce the gap of support leading screw 1 and support bar 4, be advantageous to during the penstock support of major diameter,
For example, penstock of the diameter more than two meters.
In preferable scheme, the inwall of guide pin bushing 8 is provided with the protruding rail 81 arranged along axis, and the outer wall of support leading screw 1 is provided with corresponding
Groove, protruding rail 81 is slidably matched with groove.Thus structure, the fit precision of support leading screw 1 and guide pin bushing 8 is further improved, and
And support leading screw 1 is not produced relative rotation, so as to improve support accuracy.
In preferable scheme, described protruding rail 81 is 1 ~ 4.
In preferable scheme, the magnet ring 9 for holding support leading screw 1 is additionally provided near guide pin bushing 8.Thus structure, energy
Enough avoid supporting leading screw 1 out of guide pin bushing 8 to deviate from.
In preferable scheme, the first hanger is provided with curved roof 2, the second hanger is provided with support bar 4, first hangs
Connected between ear and the second hanger by steel wire rope 12, the length of steel wire rope 12 makes to take off between support leading screw 1 and support bar 4
Open.
In use, first coarse adjustment stud 7 is locked with lock nut to suitable length, whole activity inner support is put
In in penstock, regulation supports the locking nut 10 on leading screw 1, it is preferred that handle is provided with locking nut 10, in order to
Regulation, is locked after the completion of regulation with lock nut.
Embodiment 4：
On the basis of implementing 1 ~ 3, in preferable scheme such as Fig. 1, the quantity of screw thread rotation set 5 is 6 ~ 10, circumferentially
Uniformly, support bar 4 and support leading screw 1 are 6 ~ 10 accordingly.Preferably 8.
In preferable scheme, described curved roof 2 matches with the inwall radian of penstock 11.
Embodiment 5：
On the basis of embodiment 1 ~ 4, some hydropower station penstock diameter 6.5m, high 3m, tubing thickness 28mm, single-unit
Steel pipe gross weight 16.2t.1197, power station penstock tube coupling 3m × φ 6.5m are using branch in activity of the present utility model
Support carries out penstock inner support reinforcing, and inner support installation does not occur and causes penstock circularity to lose the thing of doing over again that circle occurs
Part.
If purchasing 5000 yuan/t according to diameter 113mm welded tubes, 1197 section penstocks, which make, to be needed to weld inner support, is amounted to
Need 368t welded still pipes to carry out inner support reinforcing, prevent tube coupling from deforming；And often save steel pipe inner supporting and make, weld 4 people of needs
Work, artificial 150 yuan/day, cutting, blanking, welding etc. are calculated by 200 yuan/section, and penstock assembling and disassembling manually often saves by 2,
Artificial 150 yuan/day, cutting, blanking, welding etc. are calculated by 100 yuan/section；The expense that then input makes inner support is 368 × 5000
+ 1197 × 4 × 150+1197 × 2 × 150=297.73 ten thousand yuan, and a whole set of 6 groups of axostylus axostyles buying of activity inner support, processing, production costs
With for 1.2 ten thousand yuan, it is only necessary to which making 40 sets can meet to install cycle period, then amounts to input cost and be about：1.2×40=48
Wan Yuan；Then whole engineering can direct saving measure cost be about：297.73-48=249.73 ten thousand yuan.
As application method description is assembled and dismantled to above-mentioned some hydropower station case penstock activity inner support：
1st, the assembling of penstock activity inner support：Can the length for needing to check support bar 4 after being completed meet pressure
Pipe diameter requirement.
2nd, the use of penstock movable supporting：After the completion of tile group circle, pacify after integral activity inner support being assembled
Loaded on the inwall appropriate location of penstock 11, using the length of artificial or specific purpose tool regulation support bar 4, curved roof 2 contacts
It is locked to reach stable support, the i.e. installation of completion activity inner support after penstock inwall；As shown in Figure 3, Figure 4.
3rd, the dismounting of penstock activity inner support：Penstock activity is not removed in penstock transport, installation process
Inner support, after installing after penstock, adjust, pouring；Using artificial or specific purpose tool support bar 4 length so that arched top
Plate 2 is retracted, and is separated with the inwall of penstock 11, then takes out activity inner support, recycling.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
System, the technical characteristic described in the utility model, on the premise of not conflicting, can be combined with each other use, of the present utility model
Technical characteristic is equal in the technical scheme that protection domain should be recorded with claim, including the technical scheme of claim record
Alternative is protection domain.Equivalent substitution i.e. within this range is improved, also within the scope of protection of the utility model.
Claims (10)
1. a kind of penstock activity inner support, it is characterized in that：Supporting plate（3）With multiple screw thread rotation sets（5）It is fixedly connected, screw thread
Rotation set（5）With support bar（4）One end connection, support bar（4）The other end with support leading screw（1）Socket, support leading screw（1）'s
Termination is provided with curved roof（2）, in support leading screw（1）It is provided with locking nut（10）.
2. a kind of penstock activity inner support according to claim 1, it is characterized in that：Described supporting plate（3）For ring
Shape plate, supporting plate（3）For two, multiple screw thread rotation sets（5）It is welded on supporting plate（3）Between, screw thread rotation set（5）Axis along branch
Fagging（3）Radial arrangement.
3. a kind of penstock activity inner support according to claim 1, it is characterized in that：Described support bar（4）For pipe
Shape part, in support bar（4）One end be welded with attaching nut（6）, attaching nut（6）Pass through stud（7）With screw thread rotation set
（5）Threaded connection.
4. a kind of penstock activity inner support according to claim 3, it is characterized in that：Support bar（4）The other end set
There is guide pin bushing（8）, guide pin bushing（8）With supporting leading screw（1）It is slidably connected.
5. a kind of penstock activity inner support according to claim 3, it is characterized in that：Guide pin bushing（8）Inwall is provided with along axle
The protruding rail of line arrangement（81）, support leading screw（1）Outer wall be provided with corresponding groove, protruding rail（81）It is slidably matched with groove.
6. a kind of penstock activity inner support according to claim 5, it is characterized in that：Described protruding rail（81）For 1 ~ 4
Bar.
7. a kind of penstock activity inner support according to claim 4 or 5, it is characterized in that：In guide pin bushing（8）Near also
Provided with for holding support leading screw（1）Magnet ring（9）；
Or in curved roof（2）The first hanger is provided with, in support bar（4）It is provided with the second hanger, the first hanger and second
Pass through steel wire rope between hanger（12）Connection, steel wire rope（12）Length make support leading screw（1）With support bar（4）Between can not take off
Open.
8. a kind of penstock activity inner support according to claim 1, it is characterized in that：Screw thread rotation set（5）Quantity be 6
~ 10, circumferentially uniformly, support bar（4）With support leading screw（1）Corresponding is 6 ~ 10.
9. a kind of penstock activity inner support according to claim 1, it is characterized in that：Described curved roof（2）With
Penstock（11）Inwall radian match.
10. a kind of penstock activity inner support according to claim 1, it is characterized in that：Support bar（4）One end pass through
External screw thread and screw thread rotation set（5）Threaded connection, support bar（4）The other end be installed with nut, pass through internal thread with support leading screw
（1）Threaded connection, the thread rotary orientation at support bar both ends are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297306.7U CN206780219U (en) | 2017-03-24 | 2017-03-24 | Penstock activity inner support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297306.7U CN206780219U (en) | 2017-03-24 | 2017-03-24 | Penstock activity inner support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206780219U true CN206780219U (en) | 2017-12-22 |
Family
ID=60706415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720297306.7U Expired - Fee Related CN206780219U (en) | 2017-03-24 | 2017-03-24 | Penstock activity inner support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206780219U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911367A (en) * | 2019-04-17 | 2019-06-21 | 中交路桥建设有限公司 | A kind of detachable steel reinforcement cage inner supporting device |
| CN110202314A (en) * | 2019-07-01 | 2019-09-06 | 中国水利水电第四工程局有限公司 | A kind of adjustable pressure steel pipe tune circle, locking device |
| CN110524184A (en) * | 2019-09-20 | 2019-12-03 | 中铁大桥局第七工程有限公司 | A kind of weld fixture apparatus |
| CN110848486A (en) * | 2019-11-29 | 2020-02-28 | 史铁辉 | But angle regulation PVC pipe joint |
| CN112475558A (en) * | 2020-10-26 | 2021-03-12 | 合肥紫金钢管股份有限公司 | Technology for processing and manufacturing steel pipe of suction tube for suction type jacket |
| CN115635358A (en) * | 2022-10-28 | 2023-01-24 | 山东大学 | Tool and method for processing deformation correction and flutter suppression of weak-rigidity structural part |
| CN116533078A (en) * | 2023-07-06 | 2023-08-04 | 溧阳市兴达机械有限公司 | Maintenance clamp for inner wall of metal roller and operation method thereof |
-
2017
- 2017-03-24 CN CN201720297306.7U patent/CN206780219U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911367A (en) * | 2019-04-17 | 2019-06-21 | 中交路桥建设有限公司 | A kind of detachable steel reinforcement cage inner supporting device |
| CN110202314A (en) * | 2019-07-01 | 2019-09-06 | 中国水利水电第四工程局有限公司 | A kind of adjustable pressure steel pipe tune circle, locking device |
| CN110524184A (en) * | 2019-09-20 | 2019-12-03 | 中铁大桥局第七工程有限公司 | A kind of weld fixture apparatus |
| CN110848486A (en) * | 2019-11-29 | 2020-02-28 | 史铁辉 | But angle regulation PVC pipe joint |
| CN112475558A (en) * | 2020-10-26 | 2021-03-12 | 合肥紫金钢管股份有限公司 | Technology for processing and manufacturing steel pipe of suction tube for suction type jacket |
| CN115635358A (en) * | 2022-10-28 | 2023-01-24 | 山东大学 | Tool and method for processing deformation correction and flutter suppression of weak-rigidity structural part |
| CN116533078A (en) * | 2023-07-06 | 2023-08-04 | 溧阳市兴达机械有限公司 | Maintenance clamp for inner wall of metal roller and operation method thereof |
| CN116533078B (en) * | 2023-07-06 | 2023-09-19 | 溧阳市兴达机械有限公司 | Maintenance clamp for inner wall of metal roller and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206780219U (en) | Penstock activity inner support | |
| CN208034021U (en) | A kind of anti-deformation device of steel thin-wall cylinder | |
| CN102756019B (en) | Device for roundness adjustment and supporting of penstock | |
| CN103331527B (en) | The erection welding method of large footpath finished product flange | |
| CN106002095A (en) | Method and auxiliary device for manufacturing and mounting embedded part of wellhead of high-temperature gas-cooled reactor vertical well | |
| CN201603993U (en) | Centering and aligning device for pipeline flanges | |
| CN202655402U (en) | Device for adjusting roundness of penstock and supporting penstock | |
| CN205869842U (en) | High temperature gas cooled piles shaft mouth built -in fitting and organizes auxiliary device for butt weld | |
| CN104668933A (en) | Disassembling and assembling supporting seat and assembling and disassembling method used for rotating arm and pivot of turbine runner | |
| CN206393091U (en) | Adjustable cylinder heater | |
| CN206967399U (en) | A kind of carrier roller of belt conveyer hydraulic disassembling device | |
| CN203795932U (en) | Spray tower cylinder support device | |
| CN210587879U (en) | Large-scale boiler welding stent | |
| CN210566785U (en) | High-precision welding and drawing pipe stable to install | |
| CN201779107U (en) | Special fixture for temporarily fixing steel pipe connection | |
| CN107363777B (en) | For steam generator Manhole Sealing Joints gasket and the dismantling device of gasket pressing plate | |
| CN207583568U (en) | A kind of wind power generating set kuppe internal stent mounting structure | |
| CN205230603U (en) | Lantern ring support | |
| CN202639714U (en) | Tool for welding collecting box end cover and collecting box barrel | |
| CN208633585U (en) | A kind of support component for tearing U support open with morning of support building template | |
| CN203002857U (en) | Shape correcting device for correcting basket barrel circular degree | |
| CN207277889U (en) | It is used to support the adjustable steel tubing string of post-cast strip | |
| CN207736753U (en) | Endoporus stickers lining pads tooling | |
| CN210360092U (en) | Support frock with adjustable equipment | |
| CN206636198U (en) | A kind of stull steel-tube construction with piecing devices |
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: 20171222 Termination date: 20210324 |