CN113783152B - Pin-free special connecting fitting for power transmission line - Google Patents
Pin-free special connecting fitting for power transmission line Download PDFInfo
- Publication number
- CN113783152B CN113783152B CN202111123962.2A CN202111123962A CN113783152B CN 113783152 B CN113783152 B CN 113783152B CN 202111123962 A CN202111123962 A CN 202111123962A CN 113783152 B CN113783152 B CN 113783152B
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- ball head
- cross
- clamping block
- pin
- block body
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000035882 stress Effects 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/04—Arrangements or devices for relieving mechanical tension
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention provides a pin-free special connection fitting for a power transmission line, which belongs to the technical field of power engineering and comprises a first connecting piece, a clamping block body and a clamping bolt, wherein a cross ball head is arranged at the end part of the clamping bolt, a containing cavity for containing the cross ball head is further arranged on the clamping block body, a cross jack for allowing the cross ball head to enter the containing cavity is further arranged on the side surface of the clamping block body, a containing hole is further arranged at one end, far away from the first connecting piece, of the clamping block body, and a yielding channel is further arranged between the containing hole and the cross jack. The special connecting hardware fitting for the pin-free power transmission line solves the defect that the bulb of the bulb hanging ring is easy to deviate from the bowl hanging plate due to unreasonable structure of a spring bolt in the existing bowl hanging plate. The bowl head and ball head special connection device has the advantages of simple structure, convenient disassembly, assembly and replacement and good anti-drop effect, has wide application range, and is particularly suitable for the special connection of bowl heads and ball heads of 1000-10 kilovolt high and low voltage transmission lines, distribution networks, transformer substations, high-speed railways and the like.
Description
Technical Field
The invention belongs to the technical field of power engineering, and particularly relates to a pin-free special connection fitting for a power transmission line.
Background
At present, in the installation process of a power transmission line, a connecting fitting is needed to be used between an insulator on the power transmission line and a tower rail. The connecting hardware fitting is a metal accessory for connecting and combining various devices in a power system and transmitting mechanical load, electric load and certain protection effect. But current electric power coupling gold utensil mainly comprises U type bolt, bulb link, insulator bowl head and sets up the M shape spacer pin in the insulator bowl head. The link is connected with the tower rail through bolts in the use process of the connecting fitting, the ball head and the insulator M-shaped limiting pin collide and rub under the action of wind load to generate the influence of unbalanced external force, so that the insulator or the limiting M pin at the joint part of the insulator and the bowl head often has the phenomena of withdrawal, loss and the like due to the ageing elasticity reduction, the insulator string falls to cause major accidents, and the safety of a power transmission line is seriously influenced.
Disclosure of Invention
The invention aims to provide a pin-free special connecting fitting for a power transmission line, and aims to solve the problem that limiting parts in the connecting fitting in the prior art are easy to age and poor in safety performance.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a special hookup gold utensil of pin-free transmission line, be in including first connecting piece, setting clamping block of first connecting piece tip department and be used for with clamping block dismantles the clamping bolt of being connected, the tip of clamping bolt is provided with the cross bulb, still be provided with on the clamping block and be used for holding the holding cavity of cross bulb, still be provided with on the side of clamping block and be used for the cross bulb gets into hold the inside cross jack of cavity, the clamping block is kept away from the one end of first connecting piece still is provided with and is used for with hold the holding hole of cavity and the outside intercommunication of clamping block, still be provided with between holding hole and the cross jack and be used for the passage of stepping down of passing through when clamping bolt rotates.
As another embodiment of the present application, the accommodating cavity is ellipsoidal, the accommodating hole and the first connecting piece are respectively located at two ends of the clamping block along the long axis direction of the accommodating cavity, and the cross-shaped insertion hole is located at the side of the accommodating cavity.
As another embodiment of the application, the inner wall of the accommodating cavity is further provided with a plurality of positioning grooves for preventing the cross ball head from being worn and torn with the inner wall of the clamping block body, and the positioning grooves are all arranged at the position, close to the accommodating hole, of the accommodating cavity.
As another embodiment of the present application, the plurality of positioning grooves are all disposed around the long axis of the accommodating cavity, the plurality of positioning grooves are all disposed at intervals, and one of the plurality of positioning grooves is disposed opposite to the position of the cross jack.
As another embodiment of the application, the positioning groove is further provided with anti-slip patterns for preventing sliding between the cross ball head and the accommodating cavity.
As another embodiment of the present application, the clamping block body is cylindrical, and an axis of the clamping block body is overlapped with a long axis of the accommodating cavity.
As another embodiment of the present application, the other end of the clamping bolt is further provided with a rotating connection assembly for fixing the clamping bolt on the cross arm.
As another embodiment of the application, the rotary connecting assembly comprises a ball head ring arranged at the end part of the clamping bolt and a U-shaped bracket for accommodating the ball head ring, and the ball head ring is rotatably arranged in the U-shaped bracket through a fastener.
As another embodiment of the present application, the ball-end ring and the clamping bolt are integrally formed, and the cross ball-end and the clamping bolt are integrally formed.
As another embodiment of the application, the cross ball head comprises a first disc body and a second disc body which is mutually intersected with the first disc body and is vertically arranged, and the axis of the clamping bolt is parallel to the intersection axis of the first disc body and the second disc body.
The pin-free special connecting fitting for the power transmission line has the beneficial effects that: compared with the prior art, each part on through first connecting piece and the transmission line is connected, the other end of first connecting piece still sets up the clamping block to still be provided with on the clamping block and be used for holding clamping bolt tip cross plug hold cavity and cross jack, clamping block keeps away from the one end of first connecting piece still be provided with be used for holding the cavity and clamping block outside intercommunication hold the hole, still be provided with between hold hole and the cross jack and be used for the passage of stepping down that passes through when clamping bolt rotates. When the power transmission component such as an insulator is installed, the cross ball head at the end part of the clamping bolt is inserted into the accommodating cavity in the clamping block body through the cross insertion hole, and then the clamping bolt is rotated to enter the accommodating hole through the abdication channel, so that the purpose of connecting the clamping bolt and the clamping block body is achieved. The novel bowl head hanging plate is simple in structure, rapid and convenient to connect, and solves the defect that a ball head of a ball head hanging ring is easy to deviate from the bowl head hanging plate due to unreasonable spring bolt structures in the existing bowl head hanging plate. The invention has the advantages of simple structure, convenient disassembly, assembly and replacement and good anti-drop effect, has wide application range, and is particularly suitable for special connection of bowl heads and ball heads of 1000-10 kilovolt high and low voltage transmission lines, distribution networks, transformer substations, high-speed railways and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a first structural diagram of a pin-free power transmission line special-purpose connection fitting provided by an embodiment of the invention;
fig. 2 is a second structural diagram of a pin-free power transmission line dedicated connection fitting according to an embodiment of the present invention;
fig. 3 is an assembly structure diagram of a pin-free power transmission line dedicated connection fitting provided by an embodiment of the invention;
fig. 4 is a cross-sectional view of a cartridge used in an embodiment of the present invention.
In the figure: 1. a first connector; 2. clamping the block; 3. clamping a bolt; 4. cross ball head; 5. a housing cavity; 6. a receiving hole; 7. a cross jack; 8. a yielding channel; 9. a positioning groove; 10. a ball head ring; 11. a U-shaped bracket; 12. a fastener.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, description will be made of the pin-free type special coupling fitting for a power transmission line according to the present invention. The pin-free type power transmission line special connection fitting comprises a first connecting piece 1, a clamping block body 2 arranged at the end part of the first connecting piece 1 and a clamping bolt 3 used for being connected with the clamping block body 2 in a disassembling mode, wherein a cross ball head 4 is arranged at the end part of the clamping bolt 3, a containing cavity 5 used for containing the cross ball head 4 is further arranged on the clamping block body 2, a cross jack 7 used for allowing the cross ball head 4 to enter the containing cavity 5 is further arranged on the side surface of the clamping block body 2, a containing hole 6 used for communicating the containing cavity 5 with the outer part of the clamping block body 2 is further arranged at one end, far away from the first connecting piece 1, of the clamping block body 2, and a yielding channel 8 used for passing through when the clamping bolt 3 rotates is further arranged between the containing hole 6 and the cross jack 7.
Compared with the prior art, the pin-free special connecting fitting for the power transmission line is connected with each part on the power transmission line through the first connecting piece 1, the other end of the first connecting piece 1 is further provided with the clamping block 2, the clamping block 2 is further provided with the accommodating cavity 5 for accommodating the cross plug at the end part of the clamping bolt 3 and the cross jack 7, one end of the clamping block 2, far away from the first connecting piece 1, is further provided with the accommodating hole 6 for communicating the accommodating cavity 5 with the outside of the clamping block 2, and a yielding channel 8 for passing through when the clamping bolt 3 rotates is further arranged between the accommodating hole 6 and the cross jack 7. When the power transmission component such as an insulator is installed, the cross ball head 4 at the end part of the clamping bolt 3 is inserted into the accommodating cavity 5 in the clamping block 2 through the cross insertion hole 7, and then the clamping bolt 3 enters the accommodating hole 6 through the yielding channel 8 by rotating the clamping bolt 3, so that the purpose of connecting the clamping bolt 3 and the clamping block 2 is achieved. The novel bowl head hanging plate is simple in structure, rapid and convenient to connect, and solves the defect that a ball head of a ball head hanging ring is easy to deviate from the bowl head hanging plate due to unreasonable spring bolt structures in the existing bowl head hanging plate. The invention has the advantages of simple structure, convenient disassembly, assembly and replacement and good anti-drop effect, has wide application range, is particularly suitable for the special connection of the bowl head and the ball head of a 1000-10 kilovolt high-low voltage transmission line, a distribution network, a transformer substation, a high-speed railway and the like, and ensures safer use of the transmission line.
In this embodiment, as a preferred embodiment, the first connector 1 may be a polished rod, a connecting plate, and a screw via hole formed at an end of the connecting plate, and the first connector 1 may be two connecting plates spaced apart from each other, and the two connecting plates are each provided with a screw via hole, so that the shape of the first connector 1 may be freely selected according to practical situations and the prior art.
As a specific embodiment of the pin-free power transmission line special connection fitting provided by the invention, please refer to fig. 4, the accommodating cavity 5 is ellipsoidal, the accommodating hole 6 and the first connecting piece 1 are respectively located at two ends of the clamping block 2 along the long axis direction of the accommodating cavity 5, and the cross-shaped jack 7 is located at the side surface of the accommodating cavity 5. The equatorial radius of the ellipsoid is matched with the diameter size of the cross ball head 4 and slightly larger than the diameter size of the cross ball head 4, the accommodating cavity 5 is ellipsoid, so that the running space of the cross ball head 4 in the accommodating cavity 5 is increased, the installation of the cross ball head 4 and the rotation of the cross ball head 4 in the accommodating cavity 5 are more convenient, the cross ball head 4 can be pulled to one end of the accommodating cavity 5 after the clamping block 2 is stressed, and the cross ball head 4 and the cross jack 7 are dislocated, so that the cross ball head 4 is prevented from falling out.
As a specific embodiment of the pin-free special coupling fitting for the power transmission line, referring to fig. 3 and 4, a plurality of positioning grooves 9 for preventing the cross ball head 4 and the inner wall of the clamping block 2 from being worn are further formed on the inner wall of the accommodating cavity 5, and the positioning grooves 9 are all arranged in the accommodating cavity 5 near the accommodating hole 6. The positioning groove 9 can prevent the cross ball head 4 and the inner wall of the clamping block body 2 from being worn, so that the safety is improved.
As a specific embodiment of the pin-free power transmission line special-purpose connection fitting provided by the invention, referring to fig. 3 and 4, a plurality of positioning grooves 9 are all arranged around the long axis of the accommodating cavity 5, the positioning grooves 9 are all arranged at intervals, and one of the positioning grooves 9 is arranged opposite to the position of the cross jack 7. The positioning groove 9 adopts the arrangement mode, so that the stress of the cross ball head 4 in the accommodating groove is more stable.
As a specific embodiment of the pin-free special coupling fitting for the transmission line provided by the invention, referring to fig. 3 and 4, the positioning groove 9 is further provided with anti-skidding patterns for preventing the cross ball 4 from sliding with the accommodating cavity 5. The arrangement of the anti-skid patterns can prevent the cross ball head 4 from excessively rotating, so that the connection is more stable.
As a specific embodiment of the pin-free special coupling fitting for power transmission lines provided by the invention, referring to fig. 3 and 4, the clamping block 2 is cylindrical, and the axis of the clamping block 2 is overlapped with the long axis of the accommodating cavity 5. The clamping block body 2 is cylindrical, so that the connection is more convenient and larger external force can be born. Preferably, the clamping block body 2 can be spherical or ellipsoidal, and can be freely selected according to practical situations.
As a specific embodiment of the pin-free special coupling hardware fitting for the transmission line, referring to fig. 3 and 4, a rotating connection assembly for fixing the pin 3 on the cross arm is further disposed at the other end of the pin 3. The arrangement of the connecting component makes the connection of the clamping bolt 3 and the electric tower or other parts more convenient.
As a specific embodiment of the pin-free power transmission line special-purpose connection fitting provided by the invention, referring to fig. 3 and 4, the rotary connection assembly comprises a ball head ring 10 arranged at the end of the clamping bolt 3, and a U-shaped bracket 11 for accommodating the ball head ring 10, wherein the ball head ring 10 is rotatably arranged inside the U-shaped bracket 11 through a fastener 12. The ball head ring 10 is rotatably arranged in the U-shaped bracket 11 through the fastener 12, so that one degree of freedom is increased when the clamping bolt 3 is connected, the connection of the clamping bolt 3 is more convenient and stable, and the connection shock resistance of the clamping bolt 3 is better.
As a specific embodiment of the pin-free special coupling hardware fitting for the power transmission line provided by the invention, referring to fig. 3 and 4, the ball head ring 10 and the clamping bolt 3 are integrally formed, and the cross ball head 4 and the clamping bolt 3 are integrally formed. The clamping bolt 3, the ball head ring 10 and the cross ball head 4 are of an integrated structure, so that the connection strength is better.
As a specific embodiment of the pin-free special coupling fitting for the transmission line, referring to fig. 3 and 4, the cross ball 4 includes a first disk body and a second disk body intersecting with the first disk body and vertically arranged, and the axis of the clamping bolt 3 is parallel to the intersecting axis of the first disk body and the second disk body. The cross ball head 4 adopts the structure, so that the cross ball head 4 can rotate and simultaneously can prevent the cross ball head 4 from easily falling out of the cross slot, and the connection and the installation of the cross ball head 4 are safer and more reliable.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The pin-free type special connecting fitting for the power transmission line is characterized by comprising a first connecting piece, a clamping block body arranged at the end part of the first connecting piece and a clamping bolt used for being detachably connected with the clamping block body, wherein a cross ball head is arranged at the end part of the clamping bolt, a containing cavity used for containing the cross ball head is further arranged on the clamping block body, a cross jack used for allowing the cross ball head to enter the containing cavity is further arranged on the side surface of the clamping block body, a containing hole used for communicating the containing cavity with the outer part of the clamping block body is further arranged at one end of the clamping block body far away from the first connecting piece, and a yielding channel used for passing through when the clamping bolt rotates is further arranged between the containing hole and the cross jack;
the accommodating cavity is ellipsoidal, the accommodating hole and the first connecting piece are respectively positioned at two ends of the clamping block body along the long axis direction of the accommodating cavity, and the cross jack is positioned at the side surface of the accommodating cavity;
the inner wall of the accommodating cavity is also provided with a plurality of positioning grooves used for preventing the cross ball head and the inner wall of the clamping block from being worn, and the positioning grooves are all arranged at the position, close to the accommodating hole, of the accommodating cavity;
the positioning grooves are arranged around the long axis of the accommodating cavity, the positioning grooves are arranged at intervals, and one of the positioning grooves is opposite to the position of the cross jack;
the positioning groove is also provided with anti-skid patterns for preventing the cross ball head from sliding between the cross ball head and the accommodating cavity;
the cross ball head comprises a first disc body and a second disc body which is mutually intersected with the first disc body and is vertically arranged, and the axis of the clamping bolt is parallel to the intersecting axis of the first disc body and the second disc body.
2. The pin-free power transmission line special-purpose connection fitting according to claim 1, wherein the clamping block body is cylindrical, and the axis of the clamping block body is overlapped with the long axis of the accommodating cavity.
3. The pin-free power transmission line dedicated connection fitting according to claim 1, wherein the other end of the clamping pin is further provided with a rotary connection assembly for fixing the clamping pin to the cross arm.
4. The pin-free power transmission line dedicated coupling fitting according to claim 3, wherein the rotational connection assembly comprises a ball head ring provided at an end of the snap-fit pin, and a U-shaped bracket for accommodating the ball head ring, the ball head ring being rotatably provided inside the U-shaped bracket by a fastener.
5. The pin-free power transmission line dedicated coupling fitting according to claim 4, wherein the ball head ring and the snap-in pin are integrally formed, and the cross ball head and the snap-in pin are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123962.2A CN113783152B (en) | 2021-09-24 | 2021-09-24 | Pin-free special connecting fitting for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123962.2A CN113783152B (en) | 2021-09-24 | 2021-09-24 | Pin-free special connecting fitting for power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113783152A CN113783152A (en) | 2021-12-10 |
| CN113783152B true CN113783152B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111123962.2A Active CN113783152B (en) | 2021-09-24 | 2021-09-24 | Pin-free special connecting fitting for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113783152B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117673996B (en) * | 2024-01-31 | 2024-04-05 | 山西腾耀电力设备科技有限公司 | Reinforced bowl head hanging plate and mounting method thereof |
| CN118198771B (en) * | 2024-05-16 | 2024-07-12 | 邯郸市茂光电力器材制造有限公司 | Connecting fitting for electric power transmission line |
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|---|---|---|---|---|
| CN202711878U (en) * | 2012-07-30 | 2013-01-30 | 中国南方电网有限责任公司超高压输电公司 | Singly connected V-shaped porcelain insulator string for +/-500 kV double-circuit lines on same tower |
| CN103628667A (en) * | 2013-12-02 | 2014-03-12 | 魏志光 | Slippage-preventing cross-shaped connecting pallet |
| CN203685909U (en) * | 2013-12-27 | 2014-07-02 | 四川绵阳三力股份有限公司 | Double cardan universal joint for automobile steering column |
| CN204633222U (en) * | 2015-06-02 | 2015-09-09 | 国家电网公司 | Reverse bowl head spring catch replacer |
| CN204966179U (en) * | 2015-04-01 | 2016-01-13 | 四平线路器材厂 | Insulator anticreep device |
| CN208512651U (en) * | 2018-05-29 | 2019-02-19 | 江苏盛鸿电力设备有限公司 | A kind of calcium carbide crusher roller set convenient for assembling |
| WO2019092209A1 (en) * | 2017-11-10 | 2019-05-16 | Syn Trac Gmbh | Ball head device with an angle-of-rotation sensor arrangement |
| CN109915496A (en) * | 2019-02-25 | 2019-06-21 | 荣基工业科技（江苏）有限公司 | A kind of flexible welded type Hooks coupling universal coupling of SWC-BH type integral Cardon universal joint |
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2021
- 2021-09-24 CN CN202111123962.2A patent/CN113783152B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202711878U (en) * | 2012-07-30 | 2013-01-30 | 中国南方电网有限责任公司超高压输电公司 | Singly connected V-shaped porcelain insulator string for +/-500 kV double-circuit lines on same tower |
| CN103628667A (en) * | 2013-12-02 | 2014-03-12 | 魏志光 | Slippage-preventing cross-shaped connecting pallet |
| CN203685909U (en) * | 2013-12-27 | 2014-07-02 | 四川绵阳三力股份有限公司 | Double cardan universal joint for automobile steering column |
| CN204966179U (en) * | 2015-04-01 | 2016-01-13 | 四平线路器材厂 | Insulator anticreep device |
| CN204633222U (en) * | 2015-06-02 | 2015-09-09 | 国家电网公司 | Reverse bowl head spring catch replacer |
| WO2019092209A1 (en) * | 2017-11-10 | 2019-05-16 | Syn Trac Gmbh | Ball head device with an angle-of-rotation sensor arrangement |
| CN208512651U (en) * | 2018-05-29 | 2019-02-19 | 江苏盛鸿电力设备有限公司 | A kind of calcium carbide crusher roller set convenient for assembling |
| CN109915496A (en) * | 2019-02-25 | 2019-06-21 | 荣基工业科技（江苏）有限公司 | A kind of flexible welded type Hooks coupling universal coupling of SWC-BH type integral Cardon universal joint |
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| Publication number | Publication date |
|---|---|
| CN113783152A (en) | 2021-12-10 |
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