CN111682488B - Anti-vibration hammer with ice breaking structure suitable for freezing environment and machining process thereof - Google Patents
Anti-vibration hammer with ice breaking structure suitable for freezing environment and machining process thereof Download PDFInfo
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- CN111682488B CN111682488B CN202010488765.XA CN202010488765A CN111682488B CN 111682488 B CN111682488 B CN 111682488B CN 202010488765 A CN202010488765 A CN 202010488765A CN 111682488 B CN111682488 B CN 111682488B
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- 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
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- 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
- H02G7/16—Devices for removing snow or ice from lines or cables
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Abstract
The invention discloses an anti-vibration hammer with an ice breaking structure suitable for an ice freezing environment and a processing technology of the anti-vibration hammer, and belongs to the technical field of anti-vibration hammers. Through shortening fast between arc pole and the last arc pole down, the ice layer that condenses on the garrulous ice tooth striking cable outer wall is broken into pieces with the ice layer, realizes breaking ice, solves the potential safety hazard for the transmission electric power of cable, effectively avoids the cable because of ice layer gravity rupture.
Description
Technical Field
The invention relates to the technical field of damper, in particular to a damper with an ice breaking structure suitable for a freezing environment and a processing technology thereof.
Background
On a high-voltage overhead line, a small hammer is usually hung on a wire close to two sides of an insulator, and the small hammer is called a damper and is arranged for reducing the vibration of the wire due to wind power. The high-voltage overhead line has high pole position and large span, and can vibrate when the wire is acted by wind. The working conditions at the wire suspension are most unfavourable when the wire vibrates. Due to multiple vibrations, fatigue failure of the wire may occur due to periodic bending. When the span of an overhead line is more than 120 meters, a damper is generally used for vibration prevention, but the existing damper can only prevent vibration, and can not effectively break ice when the weight of an ice layer exceeds the bearing capacity of a transmission line and the transmission line is broken to cause interruption of power supply as the ice layer is thicker as moisture in cold air is easily attached to the transmission line to form the ice layer in a place with wet and cold climate in winter.
Disclosure of Invention
The invention aims to provide an anti-vibration hammer with an ice breaking structure and a processing technology thereof, which are suitable for an ice freezing environment.
In order to achieve the purpose, the invention provides the following technical scheme:
the damper with the ice breaking structure is suitable for the ice freezing environment and comprises a left hammer head, a right hammer head, a supporting rod and a wire clamp, wherein the left hammer head is welded at the left end of the supporting rod, the right hammer head is welded at the right end of the supporting rod, the wire clamp is installed in the middle of the supporting rod, a left rod body is welded at the left side of the wire clamp, a right rod body is welded at the right side of the wire clamp, a left ice breaking mechanism is installed between the left rod body and the left hammer head, a right ice breaking mechanism is installed between the right rod body and the right hammer head, and the structures of the left ice breaking mechanism;
the left-direction ice breaking mechanism and the right-direction ice breaking mechanism respectively comprise a hammer head component and a rod body component, the hammer head component of the left-direction ice breaking mechanism is fixedly connected to the inner wall of a left hammer head through a bolt, the hammer head component of the right-direction ice breaking mechanism is fixedly connected to the inner wall of a right hammer head through a bolt, the rod body component is arranged above the hammer head component, the rod body component on the left-direction ice breaking mechanism is arranged on the lower end face of a left rod body, and the rod body component on the right-direction ice breaking mechanism is arranged on the lower end face of a right rod body;
the hammer head assembly comprises a main cylinder, a main support, a lower arc-shaped rod and lower wall ice crushing teeth, wherein the main supports are arranged on two sides of the lower end of the lower arc-shaped rod;
the rod body assembly comprises an auxiliary cylinder, an upper arc-shaped rod and upper wall ice crushing teeth, the auxiliary cylinder is welded to two sides of the upper arc-shaped rod respectively, and the upper wall ice crushing teeth are welded to the inner wall of the upper arc-shaped rod.
Further, the air rod of the main air cylinder is in an extension state, and the air rod of the auxiliary air cylinder is in a compression state.
Further, the air rod of the main air cylinder is in a compressed state, and the air rod of the auxiliary air cylinder is in an extended state.
Furthermore, the auxiliary cylinder and the main cylinder are both fixed on the lower end face of the right rod body or the left rod body, and the auxiliary cylinder and the main cylinder are communicated with each other through an air pipe.
According to another aspect of the invention, a processing technology of the damper with the ice breaking structure suitable for the freezing environment is disclosed, which comprises the following steps:
s101: casting, namely pouring molten aluminum in a molten state into a casting mold with the shapes of the left hammer head, the right hammer head, the supporting rod, the wire clamp, the lower arc-shaped rod and the upper arc-shaped rod consistent, and cooling and molding to obtain the left hammer head, the right hammer head, the supporting rod, the wire clamp, the lower arc-shaped rod and the upper arc-shaped rod;
s102: overlaying, welding the upper arc-shaped rod with the gas rod of the auxiliary cylinder, welding the upper end surfaces of the auxiliary cylinder and the main cylinder on the right rod body or the left rod body, and respectively welding the left hammer head and the right hammer head at two ends of the support rod;
s103: assembling, namely connecting the support rods by using a wire clamp, and then locking the main support on the inner wall of the left hammer head or the right hammer head by using a bolt;
s104: and mounting, connecting a cable by using a cable clamp, and locking and connecting the lower arc-shaped rod with the air rod of the main cylinder by using a bolt.
Compared with the prior art, the invention has the beneficial effects that: when the left hammer head and the right hammer head at the two ends of the damper swing upwards, the left hammer head and the right hammer head simultaneously drive the lower arc-shaped rods on the left-direction ice breaking mechanism and the right-direction ice breaking mechanism to push upwards to push the air rod of the main cylinder to slide upwards along the inner wall of the cylinder barrel, the main cylinder is in a compressed state, air in the cylinder barrel flows into the auxiliary cylinder from an air pipe after being extruded, the air rod of the auxiliary cylinder is further pushed to extend downwards, the distance between the lower arc-shaped rod and the upper arc-shaped rod is rapidly shortened, the ice crushing teeth impact a condensed ice layer on the outer wall of the cable to crush the ice layer, the ice crushing is realized, the potential safety hazard is solved for the transmission power of the cable, and the cable is effectively prevented from being broken due to the gravity of the ice layer.
Drawings
FIG. 1 is an overall block diagram of a damper with an ice breaking structure for use in a freezing environment according to the present invention;
FIG. 2 is a structural diagram of a right-hand ice breaking mechanism of the damper with an ice breaking structure for use in a freezing environment in accordance with the present invention;
FIG. 3 is a connection diagram of a right-hand icebreaking mechanism structure and a right hammer head of the damper with an icebreaking structure suitable for a freezing environment according to the first embodiment of the invention;
FIG. 4 is a block diagram of a hammer head assembly of the damper with an ice breaking feature for use in a freezing environment in accordance with the present invention;
FIG. 5 is a block diagram of a rod assembly of the damper with an ice breaking feature for use in a freezing environment in accordance with the present invention;
fig. 6 is a structural diagram of a right-direction ice breaking mechanism of the damper with an ice breaking structure suitable for the freezing environment according to the second embodiment of the present invention;
fig. 7 is a flow chart of a processing technique of the damper with an ice breaking structure suitable for a freezing environment according to the invention.
In the figure: 1. a left hammer head; 2. a right hammer head; 3. a support bar; 4. wire clamps; 5. a left rod body; 6. a right rod body; 7. a left-hand icebreaking mechanism; 8. a right-hand icebreaking mechanism; 81. a hammerhead assembly; 811. a master cylinder; 812. crushing ice teeth on the lower wall; 813. a main support; 814. a lower arc-shaped rod; 82. a rod body assembly; 821. a secondary cylinder; 822. an upper arc-shaped rod; 823. crushing ice teeth on the upper wall; 824. the trachea.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-3, the damper with an ice breaking structure suitable for an ice freezing environment comprises a left hammer head 1, a right hammer head 2, a support rod 3 and a wire clamp 4, wherein the left hammer head 1 is welded at the left end of the support rod 3, the right hammer head 2 is welded at the right end of the support rod 3, the wire clamp 4 is installed in the middle of the support rod 3, a left rod body 5 is welded at the left side of the wire clamp 4, a right rod body 6 is welded at the right side of the support rod, a left ice breaking mechanism 7 is installed between the left rod body 5 and the left hammer head 1, a right ice breaking mechanism 8 is installed between the right rod body 6 and the right hammer head 2, the left ice breaking mechanism 7 and the right ice breaking mechanism 8 are structurally identical, the left ice breaking mechanism 7 and the right ice breaking mechanism 8 both comprise a hammer head assembly 81 and a rod body assembly 82, the hammer head assembly 81 of the left ice breaking mechanism 7 is fixedly connected to the inner wall of the left hammer head, a rod body component 82 is arranged above the hammer head component 81, the rod body component 82 on the left-direction ice breaking mechanism 7 is arranged on the lower end face of the left rod body 5, and the rod body component 82 on the right-direction ice breaking mechanism 8 is arranged on the lower end face of the right rod body 6.
Referring to fig. 4, the hammer head assembly 81 includes a main cylinder 811, a main support 813, a lower arc-shaped rod 814 and lower wall ice crushing teeth 812, wherein the main supports 813 are arranged on two sides of the lower end of the lower arc-shaped rod 814, the main support 813 on the leftward ice breaking mechanism 7 is connected with the left hammer head 1, the main support 813 on the rightward ice breaking mechanism 8 is connected with the right hammer head 2, two sides of the upper end of the lower arc-shaped rod 814 are respectively and lockingly connected with the main cylinder 811, and the inner wall of the lower arc-shaped rod 814 is welded with the lower wall ice crushing.
Referring to fig. 5, the rod assembly 82 includes an auxiliary cylinder 821, an upper arc rod 822 and an upper wall ice crushing tooth 823, two sides of the upper arc rod 822 are respectively welded with an auxiliary cylinder 821, and the inner wall of the upper arc rod 822 is welded with an upper wall ice crushing tooth 823, the auxiliary cylinder 821 and the main cylinder 811 are both fixed on the lower end surface of the right rod 6 or the left rod 5, and the auxiliary cylinder 821 and the main cylinder 811 are communicated with each other through an air pipe 824, air between the auxiliary cylinder 821 and the main cylinder 811 can flow each other, so as to provide structural support for the simultaneous reverse movement of the lower arc rod 814 and the upper arc rod 822, the air rod of the main cylinder 811 is in an extended state, the air rod of the auxiliary cylinder 821 is in a compressed state, when the left hammer head 1 and the right hammer head 2 at two ends swing upwards, the left hammer head 1 and the right hammer head 2 simultaneously drive the left ice breaking mechanism 7 and the lower arc rod 814 on the right ice breaking mechanism 8 to push upwards, and push the air rod of the main cylinder 811 to slide upwards along the inner, the compression state of main cylinder 811, the inside gas of cylinder section of thick bamboo flow in following trachea 824 to vice cylinder 821 after receiving the extrusion, and then promote the gas pole of vice cylinder 821 and stretch out downwards, shorten fast between lower arc pole 814 and the last arc pole 822 distance, and the ice layer that condenses on the broken ice tooth striking cable outer wall is broken into pieces with the ice layer, realizes breaking ice, and wherein damper's swing can rely on wind-force, also can rely on the manpower.
Referring to fig. 7, in order to better show the processing flow of the damper with the ice breaking structure suitable for the freezing environment, the embodiment now proposes a processing process of the damper with the ice breaking structure suitable for the freezing environment, which includes the following steps:
s101: casting, pouring molten aluminum in a molten state into a casting mold with the shapes of the left hammer head 1, the right hammer head 2, the support rod 3, the wire clamp 4, the lower arc-shaped rod 814 and the upper arc-shaped rod 822 being consistent, cooling and molding to obtain the left hammer head 1, the right hammer head 2, the support rod 3, the wire clamp 4, the lower arc-shaped rod 814 and the upper arc-shaped rod 822, wherein the wire clamp 4, the right rod body 6 and the left rod body 5 are of an integrated casting structure, the main support 813, the lower arc-shaped rod 814 and the lower wall crushed ice teeth 812 in the hammer head assembly 81 are of an integrated casting structure, the upper arc-shaped rod 822 and the upper wall crushed ice teeth 823 in the rod body assembly 82 assembly are of an integrated casting structure, grinding and deburring are carried out after parts are obtained, and two air cylinder assemblies are selected;
s102: overlaying, welding the upper arc-shaped rod 822 with a gas rod of the auxiliary cylinder 821, welding the upper end surfaces of the auxiliary cylinder 821 and the main cylinder 811 on the right rod body 6 or the left rod body 5, and respectively welding the left hammer head 1 and the right hammer head 2 at two ends of the support rod 3;
s103: assembling, connecting the support rods 3 by using the wire clamps 4, and then locking the main bracket 813 on the inner wall of the left hammer head 1 or the right hammer head 2 by using bolts;
s104: the cable clamp 4 is installed to connect the cable and the lower arc bar 814 is locked to the air rod of the main cylinder 811 by means of bolts.
Example two
Referring to fig. 6, the sub cylinder 821 and the main cylinder 811 are fixed to the lower end surfaces of the right and left rod bodies 6 and 5, and the sub-cylinder 821 and the main cylinder 811 are communicated with each other through an air pipe 824, air between the sub-cylinder 821 and the main cylinder 811 can flow mutually to provide structural support for the simultaneous reverse movement of the lower arc rod 814 and the upper arc rod 822, when the air rod of the main cylinder 811 is in a compressed state, the air rod of the sub-cylinder 821 is in an extended state, in this case, gravity drives the air rod of the main cylinder 811 to slide inwards along the inner wall of the cylinder barrel, drives the air rod of the main cylinder 811 to extend outwards, forms negative pressure in the cylinder barrel of the main cylinder 811, this negative pressure makes gas in the vice cylinder 821 flow to main cylinder 811 through trachea 824, and the gas pole is down retracted after gas in the vice cylinder 821 flows out, draws greatly down the distance between arc pole 814 and the last arc pole 822, provides the swing space for the next striking of upper wall crushed ice tooth 823 and lower wall crushed ice tooth 812.
The air rod of the main cylinder 811 is in an extension state, the air rod of the auxiliary cylinder 821 is in a compression state, when the left hammer head 1 and the right hammer head 2 at the two ends of the damper swing upwards, the left hammer head 1 and the right hammer head 2 simultaneously drive the lower arc-shaped rod 814 on the left-direction ice breaking mechanism 7 and the right-direction ice breaking mechanism 8 to push upwards, the air rod of the main cylinder 811 is pushed to slide upwards along the inner wall of the cylinder barrel, the main cylinder 811 is in a compression state, air in the cylinder barrel flows into the auxiliary cylinder 821 from the air pipe 824 after being extruded, the air rod of the auxiliary cylinder 821 is pushed to extend downwards, the distance between the lower arc-shaped rod 814 and the upper arc-shaped rod 822 is rapidly shortened, the crushing teeth impact the ice layer condensed on the outer wall of the cable, the ice layer is crushed, ice breaking is realized, wherein the swing of the damper can depend on wind
Referring to fig. 7, in order to better show the processing flow of the damper with the ice breaking structure suitable for the freezing environment, the embodiment now proposes a processing process of the damper with the ice breaking structure suitable for the freezing environment, which includes the following steps:
s101: casting, pouring molten aluminum in a molten state into a casting mold with the shapes of the left hammer head 1, the right hammer head 2, the support rod 3, the wire clamp 4, the lower arc-shaped rod 814 and the upper arc-shaped rod 822 being consistent, cooling and molding to obtain the left hammer head 1, the right hammer head 2, the support rod 3, the wire clamp 4, the lower arc-shaped rod 814 and the upper arc-shaped rod 822, wherein the wire clamp 4, the right rod body 6 and the left rod body 5 are of an integrated casting structure, the main support 813, the lower arc-shaped rod 814 and the lower wall crushed ice teeth 812 in the hammer head assembly 81 are of an integrated casting structure, the upper arc-shaped rod 822 and the upper wall crushed ice teeth 823 in the rod body assembly 82 assembly are of an integrated casting structure, grinding and deburring are carried out after parts are obtained, and two air cylinder assemblies are selected;
s102: overlaying, welding the upper arc-shaped rod 822 with a gas rod of the auxiliary cylinder 821, welding the upper end surfaces of the auxiliary cylinder 821 and the main cylinder 811 on the right rod body 6 or the left rod body 5, and respectively welding the left hammer head 1 and the right hammer head 2 at two ends of the support rod 3;
s103: assembling, connecting the support rods 3 by using the wire clamps 4, and then locking the main bracket 813 on the inner wall of the left hammer head 1 or the right hammer head 2 by using bolts;
s104: the cable clamp 4 is installed to connect the cable and the lower arc bar 814 is locked to the air rod of the main cylinder 811 by means of bolts.
In summary, the following steps: when a left hammer head 1 and a right hammer head 2 at two ends of the damper swing upwards, the left hammer head 1 and the right hammer head 2 simultaneously drive a lower arc-shaped rod 814 on a left-direction ice breaking mechanism 7 and a right-direction ice breaking mechanism 8 to push upwards, an air rod of a main air cylinder 811 is pushed to slide upwards along the inner wall of an air cylinder barrel, the main air cylinder 811 is in a compressed state, air in the air cylinder barrel flows into an auxiliary air cylinder 821 from an air pipe 824 after being extruded, the air rod of the auxiliary air cylinder 821 is further pushed to extend downwards, the distance between the lower arc-shaped rod 814 and the upper arc-shaped rod 822 is rapidly shortened, crushing teeth impact an ice layer condensed on the outer wall of a cable, the ice layer is crushed, ice breaking is realized, potential safety hazards are solved for transmission power of the cable, and the cable is effectively prevented from being broken due to the gravity of the ice layer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions disclosed in the present invention and the equivalent alternatives or modifications thereof within the scope of the present invention.
Claims (5)
1. The damper with the ice breaking structure is suitable for the ice freezing environment and comprises a left hammer head (1), a right hammer head (2), a supporting rod (3) and a wire clamp (4), wherein the left hammer head (1) is welded at the left end of the supporting rod (3), the right hammer head (2) is welded at the right end of the supporting rod (3), the wire clamp (4) is installed in the middle of the supporting rod (3), the damper is characterized in that a left rod body (5) is welded at the left side of the wire clamp (4), a right rod body (6) is welded at the right side of the wire clamp, a left ice breaking mechanism (7) is installed between the left rod body (5) and the left hammer head (1), a right ice breaking mechanism (8) is installed between the right rod body (6) and the right hammer head (2), and the structures of the left ice breaking mechanism;
the left-direction ice breaking mechanism (7) and the right-direction ice breaking mechanism (8) respectively comprise a hammer head component (81) and a rod body component (82), the hammer head component (81) of the left-direction ice breaking mechanism (7) is fixedly connected to the inner wall of the left hammer head (1) through a bolt, the hammer head component (81) of the right-direction ice breaking mechanism (8) is fixedly connected to the inner wall of the right hammer head (2) through a bolt, the rod body component (82) is arranged above the hammer head component (81), the rod body component (82) on the left-direction ice breaking mechanism (7) is installed on the lower end face of the left rod body (5), and the rod body component (82) on the right-direction ice breaking mechanism (8) is installed on the lower end face of the right rod body (6);
the hammer head component (81) comprises a main cylinder (811), a main support (813), a lower arc-shaped rod (814) and lower wall ice crushing teeth (812), wherein the main supports (813) are arranged on two sides of the lower end of the lower arc-shaped rod (814), the main support (813) on the leftward ice breaking mechanism (7) is connected with the left hammer head (1), the main support (813) on the rightward ice breaking mechanism (8) is connected with the right hammer head (2), two sides of the upper end of the lower arc-shaped rod (814) are respectively connected with the main cylinder (811) in a locking mode, and the inner wall of the lower arc-shaped rod (814) is welded with the lower wall ice crushing teeth (812;
the body of rod subassembly (82) includes vice cylinder (821), goes up arc pole (822) and goes up garrulous ice tooth (823) of wall, and the both sides of going up arc pole (822) have welded respectively one vice cylinder (821), and have welded on the inner wall of going up arc pole (822) and have gone up garrulous ice tooth (823) of wall.
2. The damper with icebreaking structure for frozen environment according to claim 1, wherein the air rod of the sub cylinder (821) is compressed when the air rod of the main cylinder (811) is extended.
3. The damper with icebreaking structure for use in freezing environment according to claim 1, wherein the air rod of the sub cylinder (821) is in extension state when the air rod of the main cylinder (811) is in compression state.
4. The damper with ice breaking structure for use in freezing environment according to claim 1, wherein the sub cylinder (821) and the main cylinder (811) are fixed to the lower end surface of the right rod (6) or the left rod (5), and the sub cylinder (821) and the main cylinder (811) are communicated with each other through the air pipe (824).
5. A process for manufacturing a damper with an ice breaking structure suitable for use in a freezing environment according to any one of claims 1 to 4, comprising the steps of:
s101: casting, namely pouring molten aluminum in a molten state into a casting mold with the shape consistent with that of the left hammer head (1), the right hammer head (2), the support rod (3), the wire clamp (4), the lower arc-shaped rod (814) and the upper arc-shaped rod (822), and cooling and molding to obtain the left hammer head (1), the right hammer head (2), the support rod (3), the wire clamp (4), the lower arc-shaped rod (814) and the upper arc-shaped rod (822);
s102: overlaying, welding an upper arc-shaped rod (822) with a gas rod of an auxiliary cylinder (821), welding the upper end surfaces of the auxiliary cylinder (821) and a main cylinder (811) on a right rod body (6) or a left rod body (5), and respectively welding a left hammer head (1) and a right hammer head (2) at two ends of a support rod (3);
s103: assembling, namely connecting the support rods (3) by using the wire clamps (4), and then locking the main bracket (813) on the inner wall of the left hammer head (1) or the right hammer head (2) by using bolts;
s104: and (3) installing, connecting a cable by using the cable clamp (4), and locking and connecting the lower arc-shaped rod (814) with the air rod of the main air cylinder (811) by using a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010488765.XA CN111682488B (en) | 2020-06-02 | 2020-06-02 | Anti-vibration hammer with ice breaking structure suitable for freezing environment and machining process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010488765.XA CN111682488B (en) | 2020-06-02 | 2020-06-02 | Anti-vibration hammer with ice breaking structure suitable for freezing environment and machining process thereof |
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| CN111682488A CN111682488A (en) | 2020-09-18 |
| CN111682488B true CN111682488B (en) | 2021-06-15 |
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| CN202513529U (en) * | 2011-09-30 | 2012-10-31 | 马彬 | Auto-excitation type deicing shockproof hammer |
| CN103633607A (en) * | 2012-08-22 | 2014-03-12 | 中国电力科学研究院 | Bell jar type damper used in high altitude areas |
| WO2015013406A1 (en) * | 2013-07-24 | 2015-01-29 | Afl Telecommunications Llc | Asymmetrical stockbridge damper |
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| CN207150125U (en) * | 2017-11-16 | 2018-03-27 | 安徽省含山县兴建铸造厂 | A kind of overhead line damper with antifreeze function |
| CN108565811A (en) * | 2018-06-04 | 2018-09-21 | 芜湖易泽中小企业公共服务股份有限公司 | A kind of aerial cables deicing robot |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9948081B1 (en) * | 2017-04-26 | 2018-04-17 | Central Michigan University | Asymmetric Aeolian vibration damper |
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2020
- 2020-06-02 CN CN202010488765.XA patent/CN111682488B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202513529U (en) * | 2011-09-30 | 2012-10-31 | 马彬 | Auto-excitation type deicing shockproof hammer |
| CN103633607A (en) * | 2012-08-22 | 2014-03-12 | 中国电力科学研究院 | Bell jar type damper used in high altitude areas |
| WO2015013406A1 (en) * | 2013-07-24 | 2015-01-29 | Afl Telecommunications Llc | Asymmetrical stockbridge damper |
| CN107039943A (en) * | 2017-05-19 | 2017-08-11 | 合肥尚强电气科技有限公司 | A kind of intelligent deicer for power transmission and transformation line |
| CN207150125U (en) * | 2017-11-16 | 2018-03-27 | 安徽省含山县兴建铸造厂 | A kind of overhead line damper with antifreeze function |
| CN108565811A (en) * | 2018-06-04 | 2018-09-21 | 芜湖易泽中小企业公共服务股份有限公司 | A kind of aerial cables deicing robot |
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| CN111682488A (en) | 2020-09-18 |
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