CN107956996A - A kind of gas chamber wind-proof inner capacities instruction device - Google Patents
A kind of gas chamber wind-proof inner capacities instruction device Download PDFInfo
- Publication number
- CN107956996A CN107956996A CN201711435469.8A CN201711435469A CN107956996A CN 107956996 A CN107956996 A CN 107956996A CN 201711435469 A CN201711435469 A CN 201711435469A CN 107956996 A CN107956996 A CN 107956996A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- wire rope
- baffle ring
- gas chamber
- instruction device
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 147
- 239000010959 steel Substances 0.000 claims abstract description 147
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000003034 coal gas Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/24—Gas-holders of variable capacity of dry type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/02—Details
- F17B1/14—Safety devices, e.g. prevention of excess pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention belongs to gas chamber field of engineering technology, is related to a kind of gas chamber wind-proof inner capacities instruction device, especially for a kind of anti-jumbo mechanical inner capacities instruction device of swing of steel wire rope of strong wind area dry gas holder.By adding baffle ring at each claustra outside gas chamber and steel wire rope inlet slot, prevent that the jumbo swing of steel wire rope causes mechanical content flow indicator reading to be not allowed, steel rope abrasion seriously even triggers card rope or rope-broken accident under strong wind even earthquake conditions, mitigate maintenance frequency, be that the safe emergency operation of gas chamber under power-off condition creates conditions.It is of the invention safe and reliable, it can be widely applied in the regional and more earthquake areas dry gas holder of strong wind in the instruction of mechanical inner capacities.
Description
Technical field
The invention belongs to gas chamber field of engineering technology, is related to a kind of gas chamber wind-proof inner capacities instruction device.
Background technology
It is different from wet gas cabinet and uses water-stop coal gas, dry gas holder is not because using water-stop coal gas, sealing medium
It will not be humidified to coal gas and production wastewater treatment amount is few and have obvious advantage.Dry gas holder is piston seal type at present
Gas chamber, is broadly divided into by piston seal method：Using lubricating grease (or drier oil) and rubber seal can grand (KLONNE) type
Gas chamber, the polygon thin-oil sealed gas tank cabinet sealed using thin oil and steel slide plate, sealed using rubber diaphragm sealed film
Gas chamber and the cylindrical shape thin oil sealing gas cabinet (being commonly called as novel cabinet or POC types cabinet) for using thin oil and reinforced rubber bar.
No matter which kind of dry gas holder, be all large-scale site welding special installation.General gas chamber is equipped with electronic type
Content flow indicator and content flow indicator with teletransmission are each a set of, to ensure that operator understands in cabinet gas-storing capacity to prevent piston
Rush to summit or hit bottom.In the case of power down mode or gas chamber automatic control system failure, operator is only by mechanical interior
The live dial plate of capacity indicating gage indicate understand gas-storing capacity in cabinet number, this safe operation operation and failure to gas chamber
Processing is all very important, and what the present invention was directed to is exactly mechanical content flow indicator.
It is arranged in the large-scale gas chamber in strong wind area or large-scale gas chamber at air port or more large-scale gas chambers cloth together
Put and when the position of content flow indicator causes wind big between two cabinets, from cabinet top to content flow indicator transmission case steel
The rope capacity of cord inlet slot is longer, and the jumbo swing of meeting under strong wind, not only the instruction of content flow indicator is inaccurate, can also make
Into steel rope abrasion quickly, repair and maintenance is frequent, and gas chamber safety in operation declines, if steel wire rope has broken under power down mode
Operator does not know that piston position status, and to prevent piston from rushing to summit or hitting bottom, gas chamber terminal valve is only closed, and causes coal
Gas holder is forced to stop on-line operation, be easy to cause full factory's gaspipe network and triggers second accident.
The content of the invention
In view of this, it is an object of the invention to provide a kind of gas chamber wind-proof inner capacities instruction device, prevent big
Wind influences large-scale gas chamber content flow indicator steel wire rope to cause content flow indicator measurement accuracy to decline, content flow indicator
Steel cable replaces frequent, raising gas chamber safety in operation.
To reach above-mentioned purpose, the present invention provides following technical solution：
A kind of gas chamber wind-proof inner capacities instruction device, includes steel wire rope, directive wheel, baffle ring and transmission case；
The directive wheel is arranged on the top sides of gas chamber along upper, and the baffle ring is arranged on the outer wall of gas chamber, and is put down
Row is axially distributed in coal gas cabinet；
One end of the steel wire rope is connected to the piston of gas chamber, and is oriented to via the directive wheel, through the baffle ring
It is connected to the transmission case；
The transmission case includes transmission case body, transmission case cover board, steel wire rope baffle ring, reel and steel wire rope baffle, described
Transmission case cover board is arranged on above the transmission case body, and offers steel wire rope inlet slot, and the steel wire rope baffle ring is arranged on
Around the steel wire rope inlet slot, steel wire rope baffle ring described in the steel wire penetrating and steel wire rope inlet slot are connected to the reel
On, the reel carries out folding and unfolding by rotating to the steel wire rope, and one end of the reel is provided with the steel wire rope baffle,
For stopping scope of the steel wire rope without departing from reel；
Weight I is connected with by tension steel wire rope I on the reel；
The other end of the reel is provided with chain drive, and weight is connected with by tension steel wire rope II on the chain drive
II, for signal output.
Further, the steel wire rope inlet slot is additionally provided with steel wire rope baffle ring stent, and the one of the steel wire rope baffle ring stent
End is fixed in the steel wire rope inlet slot both sides, and the steel wire rope baffle ring is fixed on steel wire rope baffle ring branch using endless metal material
On frame.
Further, the height of the steel wire rope baffle ring is 100mm~2000mm.
Further, baffle ring stent is additionally provided with the gas chamber outer wall, the baffle ring is fixed using endless metal material
On the baffle ring stent.
Further, the baffle ring is strip, and the odd-multiple for half-turn of baffle ring.
Further, the length of the baffle ring at the top of gas chamber is suitable with the curved diameter of baffle ring, and ensures steel wire rope energy
Pass through, the length of the baffle ring from coal gas cabinet top to transmission case increases successively.
The beneficial effects of the present invention are：The device of the invention can prevent strong wind to large-scale gas chamber content flow indicator
Steel wire rope influences to cause content flow indicator measurement accuracy to decline and content flow indicator steel cable is replaced frequently, raising gas chamber
Safety in operation.By adding baffle ring at each layer claustra and steel wire rope inlet slot, among the steel wire rope long to tens meters
Add support, prevent jumbo swing under steel wire rope high wind conditions, significantly extend the use of strong wind local content flow indicator steel wire rope
In the service life, significantly reduce repair and maintenance number, improves safety in operation under dry gas holder strong wind atmosphere.
Brief description of the drawings
In order to make the purpose of the present invention, technical solution and beneficial effect clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is the instruction device schematic diagram of the present invention；
Fig. 2 is instruction device transmission-case cover slab cord entrance baffle ring elevational schematic view of the present invention；
Fig. 3 is instruction device transmission-case cover slab cord entrance baffle ring floor map of the present invention；
Fig. 4 is the general claustra position steel wire rope baffle ring elevational schematic view of the present invention；
Fig. 5 is the present invention close to claustra position steel wire rope baffle ring floor map near transmission case；
Fig. 6 is claustra position steel wire rope baffle ring floor map among the present invention；
Fig. 7 is floor map when claustra position steel wire rope baffle ring is half-turn near cabinet top directive wheel of the present invention；
Fig. 8 is floor map when claustra position steel wire rope baffle ring is half-turn near the close cabinet top directive wheel of the present invention；
Fig. 9 is floor map when claustra position steel wire rope baffle ring is 1.5 circle near the close cabinet top directive wheel of the present invention；
Figure 10 is floor map when claustra position steel wire rope baffle ring is 1.5 circle near the close cabinet top directive wheel of the present invention.
Embodiment
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
As shown in Figure 1, the present invention is a kind of gas chamber wind-proof inner capacities instruction device, for being arranged on dry type coal gas
On cabinet cabinet 1, dry gas holder includes claustra channel steel 2, piston 3, cabinet top 4, and present disclosure amount instruction device includes steel wire
Rope 5, directive wheel 6, baffle ring and transmission case.
As in Figure 2-4, transmission case includes transmission case cover board 7, transmission case body 8, steel wire rope baffle ring 7-2, reel 9 and steel
Cord baffle 11, transmission case cover board 7 are arranged on the top of the transmission case body 8, and offer steel wire rope inlet slot 7-1, steel
Cord baffle ring 7-2 is arranged on around steel wire rope inlet slot 7-1, and steel wire rope 5 passes through steel wire rope baffle ring 7-2 and steel wire rope inlet slot 7-
1 is connected on reel 9, and reel 9 carries out steel wire rope 5 folding and unfolding by rotating, and one end of reel 9 is provided with the steel wire rope gear
Plate 11, for stop steel wire rope 5 withdraw when without departing from reel 9 edge scope.
The other end of reel 9 is additionally provided with chain drive 10, and chain drive 10 in the axial structure of reel 9 parallel to being provided with letter
Number output shaft tension steel wire rope II and weight II 13, can export scene display and remote transfer signal, be also set up on the axis of reel 9
Tensioned steel wire rope I is connected with weight I 12.
As in Fig. 5-8,14-1 is steel wire rope baffle ring stent at general claustra, and 14-2 is steel wire rope baffle ring at general claustra,
L represents that steel wire rope baffle ring 14-2 is represented with height in 9 axial length of reel, L ' at the general claustra near transmission case 8 in figure
Steel wire rope baffle ring 14-2 among degree increase at claustra is in the axial length of reel 9, and wherein L ' is relative to L with the increase of height
Should accordingly it shorten.
Fig. 8-10, give the present invention second of steel wire rope baffle ring 15-2 at the higher claustra of cabinet top directive wheel 6
Scheme：15-1 is the steel wire rope baffle ring stent at higher claustra, and 15-2 is the steel wire rope baffle ring at higher claustra, and L " represents higher
Steel wire rope baffle ring size at claustra, L " should be suitable with the size of steel wire rope baffle ring diameter at higher claustra.
The present invention steel wire rope baffle ring 7-2 height is between 100mm~2000mm and size is slightly larger than steel wire rope entrance
Groove 7-1, to mitigate steel wire rope inlet slot 7-1 positions steel wire rope stress and abrasion under high wind conditions, extends content flow indicator steel
The cord service life.Baffle ring 7-2 is bent using metal and deburring, and size is slightly larger than steel wire rope inlet slot 7-1, for preventing scratch
Steel wire rope is at the same time oriented to steel wire rope.Baffle ring 7-2 is equipped with installation port, and breaking into two with one's hands up and down can gas chamber on-line operation situation
Under be inserted in steel wire rope, be then welded in again on steel wire rope baffle ring stent 7-3.
Each 2 position of layer claustra channel steel sets steel wire at general claustra respectively more than gas chamber inner capacities instruction device mounting layer
Restrict baffle ring stent 14-1, steel wire rope baffle ring 14-2 at general claustra, the steel wire rope baffle ring stent 15-1 at higher claustra and higher
Steel wire rope baffle ring 15-2 at claustra, to adapt to steel wire rope at cabinet top directive wheel 6 vertically downward to the steel on transmission case cover board 7
The slot hole of cord inlet slot 7-1 enters the needs of parent roll 9.5 center of steel wire rope from prevailing wind always wind side baffle ring more closely, prevent
Only vertical steel wire rope is too long when causing wind big steel wire rope 5 serious wear at the steel wire rope inlet slot 7-1 on transmission case cover board 7,
Extend the steel rope replacing cycle, in attached drawing prevailing wind always wind side be Fig. 7 right side.Steel wire rope baffle ring 14-2 at general claustra
It is such as more heavy using the steel construction piece with grooving, therefore the present invention is bent using metal and deburring, highly increases with claustra,
The length L of steel wire rope baffle ring 14-2 accordingly shorten to L ' at general claustra on 8 inner drum of transmission case, 9 axial direction, to by
Steel wire rope baffle ring length L " is suitable with the diameter of baffle ring at the claustra of nearly cabinet top directive wheel, steel wire rope baffle ring 14- shown in Figure 5
L " shown in the length of steel wire rope baffle ring 14-2 shown in 2 length L, Fig. 6 L ' and Fig. 8.Steel wire rope baffle ring 14-2 bends the number of turns and uses half-turn
Odd-multiple (Fig. 5, Fig. 6 and Fig. 8 show 1 times using half-turn, and Figure 10 is 3 times of half-turn), steel wire rope baffle ring 14-2 puts on steel
Welded after cord with steel wire rope baffle ring stent 14-1 at general claustra, to realize that gas chamber and inner capacities instruction device are transported online
Steel wire rope baffle ring 14-2 at steel wire rope baffle ring stent 14-1 and general claustra is installed during row at general claustra.Steel wire rope baffle ring 14-2
Surplus is left with steel wire rope baffle ring stent 14-1 at general claustra in junction to adapt to the installation error of each claustra channel steel 2.
Second scheme is given in the higher claustra position baffle ring figure shown in Fig. 7~Figure 10, due to being oriented in cabinet top
Take turns makes steel wire rope vertically downward at 6 equipped with guiding, therefore the steel wire at higher claustra is set at the higher claustra close to cabinet top guide wheel
Rope baffle ring stent 15-1 and higher claustra at steel wire rope baffle ring 15-2 steel wire rope 5 is oriented to, at this time in Fig. 8 L " sizes with
Baffle ring bending diameter is suitable；Such case also can use Fig. 9~Figure 10 shown in higher claustra at steel wire rope baffle ring 15-2 around
3 times of mode of half-turn, and steel wire rope can pass through between ensureing circle remote, to realize gas chamber and inner capacities instruction device on-line operation
When install inner capacities instruction device steel wire rope baffle ring.Steel wire rope baffle ring 15-2 and steel wire rope baffle ring at higher claustra at higher claustra
Stent 15-1 equally leaves junction surplus to adapt to the installation error of claustra channel steel 2.
The present invention adds for the strong wind area outdoor tens meters of long steel wire ropes of large-scale dry gas holder content flow indicator
Guiding facility is segmented, preventing the jumbo swing of steel wire rope from causing, the instruction of content flow indicator is inaccurate and steel rope abrasion is serious, significantly
The service life of content flow indicator steel wire rope is extended, gas chamber and content flow indicator on-line operation is not influenced, significantly carries
The high security and operability of strong wind or the operation of more earthquake areas gas chambers.
It is of the invention safe and reliable, it can be widely applied on the large-scale dry gas holder content flow indicator in strong wind area.It is right
Take place frequently regional large-scale dry gas holder in earthquake, also refers to the invention and is oriented to for content flow indicator steel wire rope, improves ground
The measurement accuracy of content flow indicator when shake occurs, simply built in the little area of wind gas chamber then steel wire rope baffle ring center and
Steel wire rope can be with arranged concentric.
Finally illustrate, preferred embodiment above only to illustrate invention technical solution and it is unrestricted, although passing through
Above preferred embodiment is described in detail the present invention, however, those skilled in the art should understand that, can be in shape
Various changes are made in formula and to it in details, without departing from claims of the present invention limited range.
Claims (6)
- A kind of 1. gas chamber wind-proof inner capacities instruction device, it is characterised in that：Include steel wire rope, directive wheel, baffle ring and biography Dynamic case；The directive wheel is arranged on the top sides of gas chamber along upper, and the baffle ring is arranged on the outer wall of gas chamber, and parallel to Coal gas cabinet is axially distributed；One end of the steel wire rope is connected to the piston of gas chamber, and is oriented to via the directive wheel, is connected through the baffle ring To the transmission case；The transmission case includes transmission case body, transmission case cover board, steel wire rope baffle ring, reel and steel wire rope baffle, the transmission Cover plate is arranged on above the transmission case body, and offers steel wire rope inlet slot, and the steel wire rope baffle ring is arranged on described Around steel wire rope inlet slot, steel wire rope baffle ring described in the steel wire penetrating and steel wire rope inlet slot are connected on the reel, The reel carries out folding and unfolding by rotating to the steel wire rope, and one end of the reel is provided with the steel wire rope baffle, uses In scope of the stop steel wire rope without departing from reel；Weight I is connected with by tension steel wire rope I on the reel；The other end of the reel is provided with chain drive, and weight II is connected with by tension steel wire rope II on the chain drive, uses In signal output.
- A kind of 2. gas chamber according to claim 1 wind-proof inner capacities instruction device, it is characterised in that：The steel wire Rope inlet slot is additionally provided with steel wire rope baffle ring stent, and one end of the steel wire rope baffle ring stent is fixed in the steel wire rope inlet slot Both sides, the steel wire rope baffle ring are fixed on steel wire rope baffle ring stent using endless metal material.
- A kind of 3. gas chamber according to claim 2 wind-proof inner capacities instruction device, it is characterised in that：The steel wire The height of rope baffle ring is 100mm~2000mm.
- A kind of 4. gas chamber according to claim 1 wind-proof inner capacities instruction device, it is characterised in that：The coal gas Baffle ring stent is additionally provided with cabinet outer wall, the baffle ring is fixed on the baffle ring stent using endless metal material.
- A kind of 5. gas chamber according to claim 4 wind-proof inner capacities instruction device, it is characterised in that：The baffle ring For strip, and the odd-multiple for half-turn of baffle ring.
- A kind of 6. gas chamber according to claim 5 wind-proof inner capacities instruction device, it is characterised in that：Close to coal gas The length of the baffle ring in cabinet top portion is suitable with the curved diameter of baffle ring, and ensures that steel wire rope can pass through, from coal gas cabinet top to transmission case The length of baffle ring increase successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435469.8A CN107956996B (en) | 2017-12-26 | 2017-12-26 | Windproof content indicating device for gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435469.8A CN107956996B (en) | 2017-12-26 | 2017-12-26 | Windproof content indicating device for gas tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956996A true CN107956996A (en) | 2018-04-24 |
| CN107956996B CN107956996B (en) | 2024-02-23 |
Family
ID=61957030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711435469.8A Active CN107956996B (en) | 2017-12-26 | 2017-12-26 | Windproof content indicating device for gas tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956996B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023272879A1 (en) * | 2021-06-28 | 2023-01-05 | 中冶赛迪工程技术股份有限公司 | Lightning-protection mechanical internal capacity indicator for storage tank |
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| US4460065A (en) * | 1982-08-20 | 1984-07-17 | Otis Elevator Company | Rope sway warning device for compensating ropes in elevator systems |
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| KR20100074974A (en) * | 2008-12-24 | 2010-07-02 | 한승호 | Fishing lamp for fishing boat |
| CN102679140A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Multi-section type rubber membrane sealed gasometer |
| CN104555494A (en) * | 2015-01-20 | 2015-04-29 | 杭州奥拓散料卸船装备有限公司 | Mechanical following type anti-wave reclaiming system of ship unloader |
| CN106006392A (en) * | 2016-06-16 | 2016-10-12 | 王欢 | Rope breakage preventing and damping slow-descending device of crane |
| CN106395625A (en) * | 2016-11-08 | 2017-02-15 | 芜湖市长江起重设备制造有限公司 | Anti-wind-resistance swinging suspension device of cantilever crane lifting appliance |
| CN106856317A (en) * | 2017-03-21 | 2017-06-16 | 国网新疆电力公司电力科学研究院 | The inclined abrasion-proof apparatus of power transmission line wind |
| CN206345675U (en) * | 2017-01-09 | 2017-07-21 | 李必鑫 | The anti-shake support of ships and light boats petroleum pipeline |
| CN207702110U (en) * | 2017-12-26 | 2018-08-07 | 中冶赛迪工程技术股份有限公司 | A kind of gas chamber wind-proof inner capacities instruction device |
-
2017
- 2017-12-26 CN CN201711435469.8A patent/CN107956996B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460065A (en) * | 1982-08-20 | 1984-07-17 | Otis Elevator Company | Rope sway warning device for compensating ropes in elevator systems |
| KR20100074974A (en) * | 2008-12-24 | 2010-07-02 | 한승호 | Fishing lamp for fishing boat |
| CN101759073A (en) * | 2008-12-25 | 2010-06-30 | 三菱电机株式会社 | Anti-hooking and hanging device |
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| CN201502362U (en) * | 2009-05-26 | 2010-06-09 | 浙江西子富沃德电机有限公司 | All-weather energy-saving pumping unit |
| CN102679140A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Multi-section type rubber membrane sealed gasometer |
| CN104555494A (en) * | 2015-01-20 | 2015-04-29 | 杭州奥拓散料卸船装备有限公司 | Mechanical following type anti-wave reclaiming system of ship unloader |
| CN106006392A (en) * | 2016-06-16 | 2016-10-12 | 王欢 | Rope breakage preventing and damping slow-descending device of crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023272879A1 (en) * | 2021-06-28 | 2023-01-05 | 中冶赛迪工程技术股份有限公司 | Lightning-protection mechanical internal capacity indicator for storage tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107956996B (en) | 2024-02-23 |
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