CN105490193A - High-altitude automatic ground wire suspension device for transformer substation - Google Patents
High-altitude automatic ground wire suspension device for transformer substation Download PDFInfo
- Publication number
- CN105490193A CN105490193A CN201610004715.3A CN201610004715A CN105490193A CN 105490193 A CN105490193 A CN 105490193A CN 201610004715 A CN201610004715 A CN 201610004715A CN 105490193 A CN105490193 A CN 105490193A
- Authority
- CN
- China
- Prior art keywords
- manipulator
- transformer station
- elevating lever
- bar
- horizontal
- 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
- 239000000725 suspension Substances 0.000 title claims abstract description 8
- 230000003028 elevating effect Effects 0.000 claims description 32
- 241000219098 Parthenocissus Species 0.000 claims description 20
- 238000000034 method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003387 muscular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manipulator (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a high-altitude automatic ground wire suspension device for a transformer substation. The high-altitude automatic ground wire suspension device comprises a transport component, a fixing component, a lifting component, a manipulator, an image recognition system and a ground wire clamp, wherein the ground wire clamp is arranged at one end of the manipulator, and clamps the ground wire to carry out assembly or disassembly operation; the other end of the manipulator is connected with the lifting component; the lifting component is fixed to the upper surface of the transport component and drives the manipulator to move up and down; the image recognition system is arranged on the manipulator, recognizes a ground wire suspension point at the height and transmits an image to the ground for an operator for examining; and the fixing component is connected to the transport component, and is used for fixing the transport component and preventing the transport component from moving. According to the high-altitude automatic ground wire suspension device, the workload of the operator is relieved; the efficiency of assembly or disassembly operation for the ground wire is improved; and the safety during the operation is improved.
Description
Technical field
The present invention relates to 750kV station technical field of operation, what be specifically related to is transformer station's high-altitude automatic hanging grounding wire device.
Background technology
Transformer station's dismounting earth connection is one of step of grid switching operation, and because substation equipment installation site is higher, the position that equipment end hangs earth connection point is relatively high, and operating personnel need to use action bars to carry out dismounting earth connection.But because the sectional area of earth connection own is large, length is long, from great, action bars rigidity deficiency, makes operating personnel be difficult to utilize action bars directly to complete dismounting once on ground and to connect wires work.And in operating process, operating personnel need to raise head, firmly lift action bars, long working can make operating personnel's incidence and arm ache, and easily causes damage, and operating efficiency is low simultaneously.If operating personnel stand on the enterprising line operate of ladder, once operate miss, earth connection falls, and very easily pounds on operating personnel, causes the damage of operating personnel.In correlation technique, have use build Simple elevator or use high-altitude lift truck, mode operation that aerial lift device with insulated arm manually mounts, but use these three kinds of modes still to need operating personnel to carry out work high above the ground, add that Work places voltage is higher, space is comparatively limited to, the job safety of serious threat operating personnel, and operating efficiency is lower, equipment price is high, maintenance difficult.
Summary of the invention
For the problems referred to above, the object of this invention is to provide transformer station's high-altitude automatic hanging grounding wire device, solve and use action bars easily to cause operating personnel's fatigue or damage at present, lift, lift truck or aerial lift device with insulated arm is used to need operating personnel's work high above the ground, threaten operator safety, the technical problem that operating efficiency is low.
For solving the problems of the technologies described above, the technical solution used in the present invention is transformer station's high-altitude automatic hanging grounding wire device, comprises transport assembly, fixation kit, lifting assembly, manipulator, image identification system and earth connection fixture.Described earth connection fixture is installed on one end of described manipulator, and clamping earth connection carries out mounting or dismounting operation, and the other end of described manipulator connects described lifting assembly, and described lifting assembly is fixed on the upper surface of described transport assembly, and driving mechanical hand moves up and down.Described image identification system is installed on described manipulator, identifies the suspension earth connection point of eminence and transmitting image is checked to ground for operating personnel.Described fixation kit connects described transport assembly, is fixed by transport assembly, stops transport assembly to move.
As preferably, described device also comprises bracing wire or pull bar, and one end of described bracing wire or pull bar is arranged on transport assembly or fixation kit, and the other end is located on lifting assembly.
As preferably, described transport assembly is the car that creeper truck or bottom loaded have wheel.
As preferably, described fixation kit comprises horizontal-extending bar and vertical support bar, and one end of described horizontal-extending bar connects the surface of described transport assembly, the other end vertical connecting support bar of described horizontal-extending bar.
As preferably, described horizontal-extending bar and vertical support bar hinged, the surface of described horizontal-extending bar and transport assembly is hinged.
As preferably, described horizontal-extending bar and vertical support bar are respectively telescopic hydraulic stem.
As preferably, described lifting assembly is elevating lever.
As preferably, described manipulator is three axle robert.
As preferably, described device also comprises bracing wire.Described transport assembly is creeper truck.Described fixation kit comprises horizontal-extending bar and vertical support bar, the surface of one end connecting band track car of described horizontal-extending bar, the other end of described horizontal-extending bar connects one end of described vertical support bar, during fixing creeper truck, and described vertical support bar and ground close contact.Described lifting assembly is elevating lever, and the lower end of elevating lever is installed on the surface of described creeper truck, and the upper end of described elevating lever connects one end of manipulator, and described manipulator is three axle robert.The other end of described manipulator installs earth connection fixture, and described image identification system is installed on described manipulator.Horizontal-extending bar one end near vertical support bar is located in one end of described bracing wire, and the other end of described bracing wire is located on elevating lever, fixing elevating lever.
As preferably, described elevating lever is maximum length is 16 meters.
Beneficial effect of the present invention:
The present invention utilizes cooperatively interacting of elevating lever, manipulator and image identification system to carry out earth connection mounting or dismounting operation, avoid operating personnel to come back for a long time and cause incidence muscular strain, alleviate the burden that hand-held bar and earth connection bring, and relative to common action bars, operating personnel accurately can identify the distance of pipe mother and earth connection and the pipe mother needing to install and remove earth connection, manipulation manipulator, accurate earth connection mounting or dismounting operation can be realized, avoid earth connection to drop while improving operating efficiency, cause casualties or property loss.Use image identification system, operating personnel do not need to carry out work high above the ground, improve job safety degree.
Accompanying drawing explanation
Utilize accompanying drawing to be described further invention, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is structural representation of the present invention.
Reference numeral: 1, earth connection fixture, 2, image identification system, 3, manipulator, 4, elevating lever, 5, bracing wire, 6, vertically support bar, 7, creeper truck.
Embodiment
The invention will be further described with the following Examples.
Transformer station's high-altitude automatic hanging grounding wire device, as shown in Figure 1, comprises transport assembly, fixation kit, lifting assembly, manipulator 3, image identification system 2 and earth connection fixture 1.
In the present embodiment, described transport assembly is creeper truck 7, and creeper truck 7 can adapt to the requirement of different terrain environment, and creeper truck 7 grabs ground ability by force, keeps described device to remain poised state.
Described lifting assembly to be maximum height the be electro-hydraulic elevating lever 4 of 16 meters, can stretch back and forth along elevating lever 4 length direction, in the present embodiment, during earth connection mounting or dismounting operation, described elevating lever 4 is vertically arranged, and in other embodiments, described elevating lever 4 favours ground and arranges, described device is made to be parked in diverse location, to adapt to the requirement of varying environment, Different Ground.The lower end of described elevating lever 4 is installed on the upper surface of described creeper truck 7, in the present embodiment, the lower end of described elevating lever 4 is fixed on the upper surface of described creeper truck 7 in hinged way, after facilitating earth connection mounting or dismounting operation to complete, the storage of elevating lever 4 entirety is to the upper surface of described creeper truck 7, saves storage area.The upper end of described elevating lever 4 connects one end of described manipulator 3, and the other end of described manipulator 3 installs earth connection fixture 1, and described image identification system 2 is installed on described manipulator 3.In the present embodiment, described elevating lever 4 driving mechanical hand 3, earth connection fixture 1 and image identification system 2 move up and down, and make it arrive the height of equipment end suspension earth connection point.Image identification system 2 identification equipment end hangs the particular location of earth connection point, formation data or image feedback are located to ground handling operator, operating personnel are according to the data fed back or image control manipulator 3 and earth connection fixture 1, to carrying out earth connection mounting or dismounting operation, thus avoid operating personnel to come back for a long time causing operating personnel's incidence muscular strain, avoid operating personnel's work high above the ground simultaneously, improve job safety degree, use image identification system 2 and manipulator 3 precisely can control the mounting or dismounting of earth connection in addition, directly complete earth connection mounting or dismounting operation once, increase work efficiency significantly.Compared to the traditional action bars of use or the manual working of operating personnel high-altitude, use earth connection fixture 1 can clamp earth connection securely, avoid earth connection to come off, cause casualties or property loss.
Described fixation kit comprises horizontal-extending bar and vertical support bar 6, and in the present embodiment, one end of described horizontal-extending bar is connected to creeper truck 7 in hinged mode, and the other end of described horizontal-extending bar connects described vertical support bar 6 in hinged mode.In earth connection mounting or dismounting operation process, the outside horizontal-extending of described horizontal-extending bar, described vertical support bar 6 extends downward and ground close contact, and fixing creeper truck 7, avoids creeper truck 7 in operation process to be moved, cause accident.After earth connection mounting or dismounting operation completes, described horizontal-extending bar and the tortuous folding storage of vertical support bar 6 are deposited to creeper truck 7, save space.In the present embodiment, described horizontal-extending bar and vertical support bar 6 are all four telescopic hydraulic stems.
In the present embodiment, described device also comprises bracing wire 5, and in other embodiments, described device comprises pull bar.One end place of horizontal-extending bar near vertical support bar 6 is located in one end of described bracing wire 5, the other end of described bracing wire 5 is located on elevating lever 4, pull elevating lever 4 from different directions, maintain elevating lever 4 to maintain static, avoid because the environmental factors such as strong wind cause elevating lever 4 to wave, even collapse, thus threaten personal safety and the property safety of operating personnel.
During concrete operation, creeper truck 7 steadily rests in the below for the treatment of hanging earthing conductor pipe mother, four horizontal-extending bars stretch out, four vertical support bars 6 extend downward and ground close contact, erect elevating lever 4, earth connection fixture 1 clamps earth connection, after control elevating lever 4 is increased to certain altitude, image identification system 2 carries out data processing to the direct picture collected, and transfers to ground.According to clear data, operating personnel judge that the pipe needing hanging earthing conductor is female exactly, after the accurate judging distance of image, manipulation manipulator 3 drives earth connection fixture 1 protruding female near pipe, to determine after particular location, by mechanism driving, to be articulated in securely on pipe mother by earth connection.After having mounted, earth connection fixture 1 is thrown off, and elevating lever 4 declines, and operation completes.
In concrete enforcement, described manipulator 3 is three axle robert
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (10)
1. transformer station high-altitude automatic hanging grounding wire device, is characterized in that, comprises transport assembly, fixation kit, lifting assembly, manipulator, image identification system and earth connection fixture; Described earth connection fixture is installed on one end of described manipulator, and clamping earth connection carries out mounting or dismounting operation, and the other end of described manipulator connects described lifting assembly, and described lifting assembly is fixed on the upper surface of described transport assembly, and driving mechanical hand moves up and down; Described image identification system is installed on described manipulator, identifies the suspension earth connection point of eminence and transmitting image is checked to ground for operating personnel; Described fixation kit connects described transport assembly, is fixed by transport assembly, stops transport assembly to move.
2. transformer station according to claim 1 high-altitude automatic hanging grounding wire device, is characterized in that, described device also comprises bracing wire or pull bar, and one end of described bracing wire or pull bar is arranged on transport assembly or fixation kit, and the other end is located on lifting assembly.
3. transformer station according to claim 1 high-altitude automatic hanging grounding wire device, is characterized in that, described transport assembly is the car that creeper truck or bottom loaded have wheel.
4. transformer station according to claim 1 high-altitude automatic hanging grounding wire device, it is characterized in that, described fixation kit comprises horizontal-extending bar and vertical support bar, and one end of described horizontal-extending bar is connected to described transport assembly, the other end vertical connecting support bar of described horizontal-extending bar.
5. transformer station according to claim 4 high-altitude automatic hanging grounding wire device, is characterized in that, described horizontal-extending bar and vertical support bar hinged, the surface of described horizontal-extending bar and transport assembly is hinged.
6. transformer station according to claim 5 high-altitude automatic hanging grounding wire device, is characterized in that, described horizontal-extending bar and vertical support bar are respectively telescopic hydraulic stem.
7. transformer station according to claim 1 high-altitude automatic hanging grounding wire device, is characterized in that, described lifting assembly is elevating lever.
8. transformer station according to claim 1 high-altitude automatic hanging grounding wire device, is characterized in that, described manipulator is three axle robert.
9. transformer station according to claim 1 high-altitude automatic hanging grounding wire device, is characterized in that, also comprise bracing wire; Described transport assembly is creeper truck; Described fixation kit comprises horizontal-extending bar and vertical support bar, the surface of one end connecting band track car of described horizontal-extending bar, the other end of described horizontal-extending bar connects one end of described vertical support bar, during fixing creeper truck, and described vertical support bar and ground close contact; Described lifting assembly is elevating lever, and the lower end of elevating lever is installed on the surface of described creeper truck, and the upper end of described elevating lever connects one end of manipulator, and described manipulator is three axle robert; The other end of described manipulator installs earth connection fixture, and described image identification system is installed on described manipulator; Horizontal-extending bar one end near vertical support bar is located in one end of described bracing wire, and the other end of described bracing wire is located on elevating lever, fixing elevating lever.
10. the transformer station's high-altitude automatic hanging grounding wire device according to claim 7 or 9, is characterized in that, described elevating lever is maximum length is 16 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610004715.3A CN105490193B (en) | 2016-01-06 | 2016-01-06 | High-altitude automatic ground wire hanging device for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610004715.3A CN105490193B (en) | 2016-01-06 | 2016-01-06 | High-altitude automatic ground wire hanging device for transformer substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490193A true CN105490193A (en) | 2016-04-13 |
| CN105490193B CN105490193B (en) | 2024-02-09 |
Family
ID=55677014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610004715.3A Active CN105490193B (en) | 2016-01-06 | 2016-01-06 | High-altitude automatic ground wire hanging device for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105490193B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465147A (en) * | 2017-09-12 | 2017-12-12 | 国网山东省电力公司潍坊供电公司 | Multi-stage telescopic ground wire gun support arrangement |
| CN107799926A (en) * | 2017-09-12 | 2018-03-13 | 国家电网公司 | Transformer substation grounding wire assembling and disassembling device |
| CN108445266A (en) * | 2018-06-20 | 2018-08-24 | 国网安徽省电力有限公司阜阳供电公司 | A kind of high-tension electricity equipment test attachment device |
| CN109217152A (en) * | 2018-09-21 | 2019-01-15 | 国网湖北省电力有限公司检修公司 | A kind of 500KV transformer substation grounding wire high-altitude hanging device |
| CN109849017A (en) * | 2019-03-29 | 2019-06-07 | 贵州电网有限责任公司 | A kind of transformer substation robot hangs dismounting ground wire control system and control method |
| CN112366597A (en) * | 2020-11-24 | 2021-02-12 | 广西电网有限责任公司贵港供电局 | Transformer substation grounding wire high-altitude assembling and disassembling equipment based on rope driving |
| CN114172075A (en) * | 2021-11-14 | 2022-03-11 | 中国长江三峡集团有限公司 | Visual ground wire high suspension device and operation method thereof |
| CN114161103A (en) * | 2020-09-11 | 2022-03-11 | 深圳市卓派自动化技术有限公司 | Automatic device for installing goods access terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130331991A1 (en) * | 2011-12-28 | 2013-12-12 | Panasonic Corporation | Self-propelled robotic hand |
| CN204131645U (en) * | 2014-10-22 | 2015-01-28 | 云南电网公司楚雄供电局 | A kind of vision hanging wire robot video acquisition transmitting device |
| CN104842336A (en) * | 2015-03-03 | 2015-08-19 | 深圳市广明科技有限公司 | Multi-joint robot for mounting and demounting ground wires |
| CN204640222U (en) * | 2015-05-15 | 2015-09-16 | 云南电网有限责任公司丽江供电局 | Transformer station's high-altitude grounding wire mounting dismantling device |
| CN105186150A (en) * | 2015-10-17 | 2015-12-23 | 国家电网公司 | Pneumatic elevating wireless remote control high-altitude grounding device |
| CN205265112U (en) * | 2016-01-06 | 2016-05-25 | 国网新疆电力公司检修公司 | Automatic ground wire device that articulates in transformer substation high altitude |
-
2016
- 2016-01-06 CN CN201610004715.3A patent/CN105490193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130331991A1 (en) * | 2011-12-28 | 2013-12-12 | Panasonic Corporation | Self-propelled robotic hand |
| CN204131645U (en) * | 2014-10-22 | 2015-01-28 | 云南电网公司楚雄供电局 | A kind of vision hanging wire robot video acquisition transmitting device |
| CN104842336A (en) * | 2015-03-03 | 2015-08-19 | 深圳市广明科技有限公司 | Multi-joint robot for mounting and demounting ground wires |
| CN204640222U (en) * | 2015-05-15 | 2015-09-16 | 云南电网有限责任公司丽江供电局 | Transformer station's high-altitude grounding wire mounting dismantling device |
| CN105186150A (en) * | 2015-10-17 | 2015-12-23 | 国家电网公司 | Pneumatic elevating wireless remote control high-altitude grounding device |
| CN205265112U (en) * | 2016-01-06 | 2016-05-25 | 国网新疆电力公司检修公司 | Automatic ground wire device that articulates in transformer substation high altitude |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465147A (en) * | 2017-09-12 | 2017-12-12 | 国网山东省电力公司潍坊供电公司 | Multi-stage telescopic ground wire gun support arrangement |
| CN107799926A (en) * | 2017-09-12 | 2018-03-13 | 国家电网公司 | Transformer substation grounding wire assembling and disassembling device |
| CN108445266A (en) * | 2018-06-20 | 2018-08-24 | 国网安徽省电力有限公司阜阳供电公司 | A kind of high-tension electricity equipment test attachment device |
| CN109217152A (en) * | 2018-09-21 | 2019-01-15 | 国网湖北省电力有限公司检修公司 | A kind of 500KV transformer substation grounding wire high-altitude hanging device |
| CN109217152B (en) * | 2018-09-21 | 2024-03-08 | 国网湖北省电力有限公司检修公司 | High-altitude hooking device for grounding wire of 500KV transformer substation |
| CN109849017A (en) * | 2019-03-29 | 2019-06-07 | 贵州电网有限责任公司 | A kind of transformer substation robot hangs dismounting ground wire control system and control method |
| CN114161103A (en) * | 2020-09-11 | 2022-03-11 | 深圳市卓派自动化技术有限公司 | Automatic device for installing goods access terminal |
| CN112366597A (en) * | 2020-11-24 | 2021-02-12 | 广西电网有限责任公司贵港供电局 | Transformer substation grounding wire high-altitude assembling and disassembling equipment based on rope driving |
| CN114172075A (en) * | 2021-11-14 | 2022-03-11 | 中国长江三峡集团有限公司 | Visual ground wire high suspension device and operation method thereof |
| CN114172075B (en) * | 2021-11-14 | 2023-10-13 | 中国长江三峡集团有限公司 | Visual ground wire overhead suspension device and operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105490193B (en) | 2024-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105490193A (en) | High-altitude automatic ground wire suspension device for transformer substation | |
| US9112338B2 (en) | Remote manipulator for manipulating live multiple sub-conductors in a single phase bundle | |
| US8573562B2 (en) | Remote manipulator for manipulating live multiple sub-conductors in a single phase bundle | |
| CA2710631C (en) | Method and apparatus for providing temporary support and a means for relocating energized electrical conductors | |
| US7832709B2 (en) | Wire pulling apparatus | |
| CN203826828U (en) | Maintenance and conveyance platform for switch cabinet breaker | |
| US10173875B2 (en) | Platform truck for catenary wire installation and method of use | |
| US11808250B2 (en) | Method and equipment for replacing wind turbine components | |
| CN104842336A (en) | Multi-joint robot for mounting and demounting ground wires | |
| CN105129627A (en) | Folding type suspension arm device supported by electric pole | |
| CN205265112U (en) | Automatic ground wire device that articulates in transformer substation high altitude | |
| CN107069562A (en) | Replacing insulator under electrified method and load transfer device | |
| CA2919235C (en) | Truck and installation method for wires | |
| CN105366567A (en) | Intelligent assisting platform for dismounting and mounting of GIS (Gas Insulated Substation) | |
| CN210714735U (en) | Hydraulic auxiliary equipment for assembling large pin shaft on hydraulic support | |
| CN205114923U (en) | Wire riser | |
| CN105152001A (en) | Special lifting device and lifting method for lifting reflector unit of radiotelescope | |
| CN210692985U (en) | Grounding wire assembling and disassembling device | |
| CN115582846A (en) | Modular hot-line work robot | |
| CN115744749A (en) | Lifting operation vehicle and method for hanging ground wire thereof | |
| CN115609601A (en) | Modularized live working robot system and working method thereof | |
| CN205500619U (en) | Vapour is repaiied with portable jack -up shallow | |
| CN103148912A (en) | Mounting bracket for mounting non-contact water level monitoring equipment | |
| CN202704925U (en) | Hoisting device for ventilation duct | |
| CN205045695U (en) | A special lifting device for hoisting radio telescope plane of reflection unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |