CN108418139A - Live-line replacing strain string side of wire first insulator L-type fixture - Google Patents
Live-line replacing strain string side of wire first insulator L-type fixture Download PDFInfo
- Publication number
- CN108418139A CN108418139A CN201810544141.8A CN201810544141A CN108418139A CN 108418139 A CN108418139 A CN 108418139A CN 201810544141 A CN201810544141 A CN 201810544141A CN 108418139 A CN108418139 A CN 108418139A
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- insulator
- type fixture
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- clamp apparatus
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- 239000012212 insulator Substances 0.000 title claims abstract description 88
- 238000003032 molecular docking Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Electric Cable Installation (AREA)
Abstract
The invention belongs to power construction apparatus, more particularly to a kind of live-line replacing strain string side of wire first insulator L-type fixture.In L-type fixture（3）On be respectively equipped with fixing threaded hole（3‑4）, gap adjustment plate connecting hole（3‑3）, docking connecting plate connecting hole（3‑2）, dock connecting plate（4）The other end is equipped with one joint face of upper and lower two leading screws, insulator clamp apparatus（10）Centre set there are one insulator perforate, one end blending bolt of inserting docking connecting plate and nut articulated connection, two one joint faces of leading screw of the other end for docking connecting plate are inserted into adjusting screw one respectively respectively between the docking connecting plate connecting hole at the L-type fixture both ends of two panels overlapping（5）Blending bolt and nut articulated connection, screw in the connected slot of upper one end（6）On be set with ratchet spanner（7）, the other end of screw is threadedly coupled one end of adjusting screw two respectively.It is compact-sized, safety coefficient is high；Easy to operate, replacing insulation subprocess only needs a people that can individually complete.
Description
Technical field
The invention belongs to power construction apparatus, more particularly to a kind of live-line replacing strain string side of wire first insulator L
Type fixture.
Background technology
When replacing strain insulator monolithic insulator on 220 KV transmission lines, generally use closed fixture general laws is replaced, with
Being continuously increased for circuit, the probability that electric transmission line isolator is revealed in recent years is continuously increased, and makes the work of replacement insulator
Work amount is increasing, during replacing insulator in the past, it has been found that very tired when the first insulator of restringing side
Difficulty, just chokes the twin sockets at duplex plate in fixture stress, when being detached from the connection of bowl head and bulb, needs to rotate bowl head
It could be detached from, because bowl head is choked by several tons of heavy tension of fixture, so rotation bowl head becomes the thing of headache, prized using tool,
Hammer, which the methods of strikes, can just remove replacement, cumbersome and time consuming, increase labor intensity, extend the repair time, reduce work
Make efficiency.
Invention content
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of structure letter is provided and is answered, can ensure fixture after stress
It is not touched with bowl head mill, saves time and effort live-line replacing strain string side of wire first insulator L-type fixture.
The present invention solve technical problem the technical solution adopted is that：Live-line replacing strain string side of wire first insulator L
Type fixture include adjusting screw one, adjusting screw two, screw, gap adjustment plate, space washer one, space washer two, pin rod one,
Pin rod two, pin rod three, its main feature is that being respectively equipped with working hole, fixing threaded hole, gap adjustment plate connecting hole, right on L-type fixture
Plate connecting hole in succession, the one end for docking connecting plate are equipped with L-type fixture connecting hole, and the docking connecting plate other end is equipped with upper and lower two leading screws
One joint face is set on one joint face of leading screw there are one one connecting hole of connecting plate leading screw, sets that there are one eccentric adjustings on gap adjustment plate
Hole, the distance between four peripheries in eccentric adjusting hole center and gap adjustment plate differ in size, and one is equipped among insulator clamp apparatus
A insulator perforation, insulator clamp apparatus both ends are respectively equipped with two connecting hole of leading screw, and insulator clamp apparatus is fitted with insulator clamp apparatus
Upper cover, right side is hinged with hinged shaft between insulator clamp apparatus and insulator clamp apparatus upper cover, on insulator clamp apparatus and insulator clamp apparatus
Left side is locked with screw rod and fixing nut between lid, is limited with fixed pin between screw rod and insulator clamp apparatus, and insulate subcard
Card slot on the left of tool upper cover is installed between fixing nut and insulator clamp apparatus upper surface, work between the L-type fixture of two panels overlapping
Make in hole insert pin rod three and use nut check, two panels be overlapped L-type fixture between gap adjustment plate connection hole be equipped between
Dottle pin circle one, the excircle of space washer one and the eccentric adjusting hole pivot bush unit of gap adjustment plate, gap adjustment plate connecting hole
Pin rod is installed in the interior hole with space washer one and uses nut check together, at the fixing threaded hole between the L-type fixture of two panels overlapping
Equipped with space washer two, in fixing threaded hole with install pin rod two in the hole of space washer two and use nut check, the L that two panels is overlapped
One end blending bolt of inserting docking connecting plate and nut articulated connection respectively, right between the docking connecting plate connecting hole at type fixture both ends
Two one joint faces of leading screw of the other end of plate are inserted on adjusting screw one blending bolt in the connected slot of one end respectively in succession
It is articulated and connected with nut, the other end of adjusting screw one is threadedly coupled one end of screw, and ratchet spanner, spine are set on screw
Direction controlling button is respectively provided on wheel spanner, ratchet spanner is respectively at the ratchet driving connection on screw, the other end point of screw
Not Luo Wenlianjie adjusting screw two one end, the rotary orientation of adjusting screw one and adjusting screw two is on the contrary, adjusting screw two
Insert the both ends of insulator clamp apparatus in the connected slot of the other end respectively, two connecting hole of leading screw at insulator clamp apparatus both ends respectively with
It is articulated and connected with screw bolt and nut between the link slot of adjusting screw two.
The beneficial effects of the invention are as follows：Live-line replacing strain string side of wire first insulator L-type fixture structure is compact, again
Amount is light, intensity is big, safety coefficient is high；It is easy to operate, it can reduce labor intensity, shorten the repair time, improve working efficiency, protect
Fixture is not touched with bowl head mill after card stress, and replacing insulation subprocess only needs a people that can individually complete.
Description of the drawings
It is illustrated with embodiment below in conjunction with attached drawing.
Fig. 1 is live-line replacing strain string side of wire first insulator L-type fixture structure figure.
Fig. 2 is L-type fixture structure front view in Fig. 1.
Fig. 3 is Fig. 2 and its assembly parts structure top view.
Fig. 4 is insulator clamp apparatus structural front view in Fig. 1.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the front view that connecting plate is docked in Fig. 1.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the intermediate gaps Fig. 1 adjustable plate structural front view.
Fig. 9 is the vertical view of Fig. 8.
In figure, 1- gap adjustment plates；1-1- eccentric adjustings hole；2- pin rods one；3-L type fixtures；3-1- working holes；3-2- pairs
Plate connecting hole in succession；3-3- gap adjustment plate connecting holes；3-4- fixing threaded holes；4- docks connecting plate；One joint face of 4-1- leading screws；4-
2-L type fixture connecting holes；One connecting hole of 4-3- connecting plates leading screw；5- adjusting screws one；6- screws；7- ratchet spanners；8- separation pads
Circle one；9- adjusting screws two；10- insulator clamp apparatus；10-1- insulator clamp apparatus upper covers；10-2- insulators are perforated；10-3- leading screws
Two connecting holes；11- direction controlling buttons；12- pin rods two；13- space washers two；14- hinged shafts；15- screw rods；16- fixing nuts；
17- fixed pins；18- pin rods three.
Specific implementation mode
Embodiment, with reference to attached drawing 1-9, the L-type fixture 3 of live-line replacing strain string side of wire first insulator L-type fixture
On be respectively equipped with working hole 3-1, fixing threaded hole 3-4, gap adjustment plate connecting hole 3-3, docking connecting plate connecting hole 3-2.To in succession
4 one end of plate is equipped with L-type fixture connecting hole 4-2, and docking 4 other end of connecting plate is equipped with upper and lower two leading screws, one joint face 4-1, leading screw
One joint face 4-1 is equipped with one connecting hole 4-3 of connecting plate leading screw.It is set on gap adjustment plate 1 there are one eccentric adjusting hole 1-1, it is eccentric
The distance between the centers adjustment hole 1-1 and four peripheries of gap adjustment plate 1 differ in size.One is equipped among insulator clamp apparatus 10
A insulator perforation 10-2,10 both ends of insulator clamp apparatus are respectively equipped with two connecting hole 10-3 of leading screw, and insulator clamp apparatus 10 fills above
There are insulator clamp apparatus upper cover 10-1, the right side hinged shaft 14 between insulator clamp apparatus 10 and insulator clamp apparatus upper cover 10-1 hingedly to connect
It connects, the left side screw rod 15 and fixing nut 16 between insulator clamp apparatus 10 and insulator clamp apparatus upper cover 10-1 are locked, spiral shell
It is limited with fixed pin 17 between bar 15 and insulator clamp apparatus 10, the card slot on the left of insulator clamp apparatus upper cover 10-1 is installed on fixed spiral shell
Between mother 16 and 10 upper surface of insulator clamp apparatus.Pin rod 3 18 is inserted in working hole 3-1 between the L-type fixture 3 of two panels overlapping
Nut check is used in combination, space washer 1 is housed at the gap adjustment plate connecting hole 3-3 between the L-type fixture 3 of two panels overlapping,
In the eccentric adjusting hole 1-1 of movable sleeve gap adjustment plate 1 on the excircle of dottle pin circle 1, gap adjustment plate connecting hole 3-3 and
Pin rod 1 is installed in the hole of dottle pin circle 1 and uses nut check.At fixing threaded hole 3-4 between the L-type fixture 3 of two panels overlapping
Equipped with space washer 2 13, in fixing threaded hole 3-4 and installs pin rod 2 12 in the hole of space washer 2 13 and use nut check.Two
Between the docking connecting plate connecting hole 3-2 at 3 both ends of L-type fixture of piece overlapping respectively one end blending bolt of inserting docking connecting plate 4 and
Nut is articulated and connected, and two leading screws of the other end, the one joint face 4-1 of docking connecting plate 4 is inserted into one 5 one end of adjusting screw respectively
Blending bolt and nut articulated connection in connected slot.The other end of adjusting screw 1 is threadedly coupled one end of screw 6, screw 6
On be set with ratchet spanner 7, direction controlling button 11 is respectively provided on ratchet spanner 7, the rotation direction for adjusting screw 6, ratchet
Spanner 7 is connected respectively at the ratchet driving on screw 6.The other end of screw 6 is threadedly coupled one end of adjusting screw 29 respectively,
The rotary orientation of adjusting screw 1 and adjusting screw 29 on the contrary, insert respectively in the connected slot of the other end of adjusting screw 29
Fill the both ends of insulator clamp apparatus 10, the two connecting hole 10-3 of leading screw at 10 both ends of the insulator clamp apparatus company with adjusting screw 29 respectively
It is articulated and connected with screw bolt and nut between access slot.
The application method of live-line replacing strain string side of wire first insulator L-type fixture is：In use, needing operator
Member one, ground care provider one, operating personnel, which carry one and transmit when rope climbing is needed to change to shaft tower at insulator, is
Good safety belt, and hang over suitable position by rope is transmitted.At this moment the care provider on ground is by live-line replacing strain string side of wire
First insulator L-type fixture passes to the operating personnel on shaft tower using rope is transmitted, which is detached from and passes by operating personnel
The pin rod 3 18 of working hole 3-1 is extracted first after passing rope, the two panels L-type fixture 3 of overlapping is sleeved on the two of insulator chain
On yoke plate, and the working hole 3-1 of two panels L-type fixture 3 is aligned with the working hole of duplex plate, is inserted into pin rod 3 18 and uses nut lock
Tightly.Then running clearance adjustable plate 1 not etc. does not adjust the end face of L-type fixture 3 by eccentric adjusting hole 1-1 at a distance from periphery
Gap between the duplex plate of connecting insulator makes its gap reach best replacement state.Operating personnel then unclamp solid
Determine nut 16 and open insulator clamp apparatus upper cover 10-1, makes insulator perforation 10-2 to closing again after at the steel cap of quasi-insulator absolutely
Edge subcard has upper cover 10-1, and be locked nut 16.Operating personnel adjust direction controlling button 11, drive the ratchet spanner of both sides
7, make to be in consistent stress tightening state between adjusting screw 1 and adjusting screw 29 and screw 6, when adjusting screw 1 and adjust
When bearing bearing capacity between section leading screw 29 and screw 6, and when the insulator being replaced is in relaxation shape, stop driving both sides
Ratchet spanner 7, stop adjusting the stress tightening state between lead screw 1 and adjusting screw 29 and screw 6.Operating personnel's profit
The spring pin of insulator both ends junction is taken out from bowl head with tongs, the insulation that spring pin will be replaced again after taking out
Son is detached from the insulator of both sides, then passes it to ground using transmission rope, the care provider on ground is again by new insulation
Son passes to the operating personnel on shaft tower, and the insulator on the insulator and strain insulator-string that newly change is reverted to connection shape by operating personnel
The spring pin at insulator both ends is inserted into the bowl head of insulator by state.Operating personnel check that insulator bowl head direction, each portion connect
After connecing no problem, reversed adjustment direction control knob 11, both hands move the ratchet spanner 7 of both sides simultaneously, make adjusting lead screw 1 and adjust
It saves and is in extension state, the carrying between adjusting screw 1 and adjusting screw 29 and screw 6 between leading screw 29 and screw 6
When power is completely transferred on insulator, both hands are simultaneously stopped the ratchet spanner 7 for moving both sides, unclamp fixing nut 16, open exhausted
Edge subcard has upper cover 10-1, and according to the opposite program of installation successively by live-line replacing strain string side of wire first insulator L
The connection of each portion of type fixture is opened, and using transmitting after rope is transmitted to ground, operating personnel, which carry, transmits rope by being removed on shaft tower,
Complete whole replacement insulator works.
Claims (10)
1. a kind of live-line replacing strain string side of wire first insulator L-type fixture, including adjusting screw one（5）, adjusting screw
Two（9）, screw（6）, gap adjustment plate（1）, space washer one（8）, space washer two（13）, pin rod one（2）, pin rod two
（12）, pin rod three（18）, it is characterised in that in L-type fixture（3）On be respectively equipped with working hole（3-1）, fixing threaded hole（3-4）,
Gap adjustable plate connecting hole（3-3）, docking connecting plate connecting hole（3-2）, dock connecting plate（4）One end be equipped with L-type fixture connecting hole（4-
2）, dock connecting plate（4）The other end is equipped with one joint face of upper and lower two leading screws（4-1）, one joint face of leading screw（4-1）It is equipped with one
A one connecting hole of connecting plate leading screw（4-3）, gap adjustment plate（1）On set there are one eccentric adjusting hole（1-1）, insulator clamp apparatus（10）
Centre set there are one insulator perforate（10-2）, insulator clamp apparatus（10）Both ends are respectively equipped with two connecting hole of leading screw（10-3）, absolutely
Edge subcard has（10）It is fitted with insulator clamp apparatus upper cover（10-1）, the L-type fixture of two panels overlapping（3）Between inserting in working hole
Pin rod three（18）Nut check, the L-type fixture of two panels overlapping is used in combination（3）Between gap adjustment plate connecting hole（3-3）Place is equipped with
Space washer one（8）, gap adjustment plate（1）In connecting hole with space washer one（8）Hole in install pin rod one（2）Nut is used in combination
Locking, the L-type fixture of two panels overlapping（3）Between fixing threaded hole（3-4）Place is equipped with space washer two（13）, the L of two panels overlapping
Type fixture（3）The docking connecting plate connecting hole at both ends（3-2）Between respectively inserting docking connecting plate（4）One end blending bolt and nut
Connecting plate is docked in articulated connection（4）Two one joint faces of leading screw of the other end（4-1）It is inserted into adjusting screw one respectively（5）Upper one
Blending bolt and nut articulated connection, adjusting screw one in the connected slot at end（5）The other end be threadedly coupled screw（6）One
End, screw（6）On be set with ratchet spanner（7）, screw（6）The other end be threadedly coupled adjusting screw two respectively（9）One
End.
2. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Eccentric adjusting hole（1-1）Center and gap adjustment plate（1）The distance between four peripheries differ in size.
3. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Insulator clamp apparatus（10）With insulator clamp apparatus upper cover（10-1）Between right side hinged shaft（14）It is hinged.
4. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Insulator clamp apparatus（10）With insulator clamp apparatus upper cover（10-1）Between left side screw rod（15）And fixing nut（16）It is locked,
Screw rod（15）With insulator clamp apparatus（10）Between use fixed pin（17）Limit, insulator clamp apparatus upper cover（10-1）The card slot card in left side
Mounted in fixing nut（16）With insulator clamp apparatus（10）Between upper surface.
5. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Space washer one（8）Excircle and gap adjustment plate（1）Eccentric adjusting hole（1-1）Pivot bush unit.
6. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Fixing threaded hole（3-4）Interior and space washer two（13）Hole in install pin rod two（12）Nut check is used in combination.
7. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Ratchet spanner（7）On be respectively provided with direction controlling button（11）, ratchet spanner（7）Respectively at screw（6）On ratchet driving connection.
8. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Adjusting screw one（5）With adjusting screw two（9）Rotary orientation it is opposite.
9. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Adjusting screw two（9）The other end connected slot in insert insulator clamp apparatus respectively（10）Both ends.
10. live-line replacing strain string side of wire first insulator L-type fixture according to claim 1, which is characterized in that
Insulator clamp apparatus（10）Two connecting hole of leading screw at both ends（10-3）Respectively with adjusting screw two（9）Link slot between with bolt and
Nut is articulated and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544141.8A CN108418139A (en) | 2018-05-31 | 2018-05-31 | Live-line replacing strain string side of wire first insulator L-type fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544141.8A CN108418139A (en) | 2018-05-31 | 2018-05-31 | Live-line replacing strain string side of wire first insulator L-type fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108418139A true CN108418139A (en) | 2018-08-17 |
Family
ID=63141018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544141.8A Pending CN108418139A (en) | 2018-05-31 | 2018-05-31 | Live-line replacing strain string side of wire first insulator L-type fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108418139A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193533A (en) * | 2018-10-29 | 2019-01-11 | 国网黑龙江省电力有限公司检修公司 | Transmission line of electricity suspension string overhang insulation subcard tool and installation method |
| CN109708834A (en) * | 2019-01-04 | 2019-05-03 | 江苏省建筑材料研究设计院有限公司 | A kind of porcelain strut insulator vibroacoustics Detecting data |
| CN110336218A (en) * | 2019-07-15 | 2019-10-15 | 国家电网有限公司 | Replace the fixture of first and last end insulator on direct current 800KV strain insulator duplex plate |
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| KR200345651Y1 (en) * | 2003-12-15 | 2004-03-24 | 한전기공주식회사 | Insulator change device |
| CN201708475U (en) * | 2010-05-14 | 2011-01-12 | 安徽省电力公司淮南供电公司 | Tension porcelain insulator replacement clamp |
| CN104682262A (en) * | 2015-02-12 | 2015-06-03 | 中国南方电网有限责任公司超高压输电公司百色局 | Conductor end fixture for replacing first insulator at conductor end of single-link suspension insulator string and application of conductor end fixture |
| CN105703266A (en) * | 2016-03-03 | 2016-06-22 | 国网山东省电力公司烟台供电公司 | Special tool for exchanging a first insulator of tension insulator string |
| CN106505467A (en) * | 2016-12-07 | 2017-03-15 | 中国南方电网有限责任公司超高压输电公司百色局 | Special replacement tool for V-shaped penultimate insulator of tangent tower of 500 kV power transmission line and use method |
| CN208272495U (en) * | 2018-05-31 | 2018-12-21 | 国家电网公司 | Live-line replacing strain string side of wire first insulator L-type fixture |
-
2018
- 2018-05-31 CN CN201810544141.8A patent/CN108418139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200345651Y1 (en) * | 2003-12-15 | 2004-03-24 | 한전기공주식회사 | Insulator change device |
| CN201708475U (en) * | 2010-05-14 | 2011-01-12 | 安徽省电力公司淮南供电公司 | Tension porcelain insulator replacement clamp |
| CN104682262A (en) * | 2015-02-12 | 2015-06-03 | 中国南方电网有限责任公司超高压输电公司百色局 | Conductor end fixture for replacing first insulator at conductor end of single-link suspension insulator string and application of conductor end fixture |
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| CN106505467A (en) * | 2016-12-07 | 2017-03-15 | 中国南方电网有限责任公司超高压输电公司百色局 | Special replacement tool for V-shaped penultimate insulator of tangent tower of 500 kV power transmission line and use method |
| CN208272495U (en) * | 2018-05-31 | 2018-12-21 | 国家电网公司 | Live-line replacing strain string side of wire first insulator L-type fixture |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193533A (en) * | 2018-10-29 | 2019-01-11 | 国网黑龙江省电力有限公司检修公司 | Transmission line of electricity suspension string overhang insulation subcard tool and installation method |
| CN109708834A (en) * | 2019-01-04 | 2019-05-03 | 江苏省建筑材料研究设计院有限公司 | A kind of porcelain strut insulator vibroacoustics Detecting data |
| CN109708834B (en) * | 2019-01-04 | 2020-06-30 | 江苏省建筑材料研究设计院有限公司 | Porcelain pillar insulator vibration acoustics detection test bench |
| CN110336218A (en) * | 2019-07-15 | 2019-10-15 | 国家电网有限公司 | Replace the fixture of first and last end insulator on direct current 800KV strain insulator duplex plate |
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| PB01 | Publication | ||
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Application publication date: 20180817 |