CN112012550A - Transmission tower with hydraulic damping torsion extending arm ascending - Google Patents
Transmission tower with hydraulic damping torsion extending arm ascending Download PDFInfo
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- CN112012550A CN112012550A CN202010910068.9A CN202010910068A CN112012550A CN 112012550 A CN112012550 A CN 112012550A CN 202010910068 A CN202010910068 A CN 202010910068A CN 112012550 A CN112012550 A CN 112012550A
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- hanging point
- transmission tower
- fixedly connected
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- arm
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2292—Holders used for protection, repair or reinforcement of the post or pole
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a power transmission tower with a hydraulic damping torsion extending arm ascending, which comprises a power transmission tower body, wherein the upper end of the power transmission tower body is symmetrically connected with a main tower double-rotating shaft, the main tower double-rotating shaft is respectively sleeved with a low hanging point single-rotating arm and a hydraulic damper torsion support from bottom to top, the upper end of the main tower double-rotating shaft is fixedly connected with a top supporting block, the upper surface of the top supporting block is fixedly connected with a high hanging point support, and the upper surface of the low hanging point single-rotating arm is fixedly connected with a single-rotating arm upper lug plate. According to the power transmission tower with the hydraulic damping torsion extending arm ascending, the rotation of the low hanging point single rotation arm is utilized to unload the horizontal force and the torsion force caused by the low hanging point single rotation arm under the accident condition, the problem that the lead is too low due to the rotation of the low hanging point single rotation arm is solved, and the hydraulic damper torsion support is utilized to reduce the wire breakage impact and the structural vibration so as to respectively limit the rotation speed of the low hanging point single rotation arm and the power effect of the whole structure.
Description
Technical Field
The invention relates to the technical field of electric power equipment, in particular to a power transmission tower with a hydraulic damping torsion boom ascending.
Background
The power transmission tower is used as an important carrier of an overhead power transmission line, and is subjected to the tests of severe natural conditions such as wind, frost, rain, snow and the like due to the long-term operation in the field, so that the power transmission tower is often subjected to large and small impacts under the excitation of external loads, particularly, after the power transmission line on the power transmission tower is subjected to asymmetric fracture in disastrous weather such as typhoon, severe ice disasters and the like, the power transmission line can generate vertical loads and horizontal loads on the power transmission tower, the power transmission tower often generates overturning dangers and even tower falling accidents, and the safe and stable operation of a power system is seriously threatened. In order to reduce the loss, a power grid company adopts various reinforcing measures, but the measures are often embodied in the improvement of a power transmission tower main body, for example, local or whole reinforcing of a tower main material can reduce the probability of buckling of the tower main body under external force damage, but at the moment, the gravity and the tower material specification size of the whole power transmission tower are correspondingly increased, so that the total load borne by the whole power transmission tower under the action of wind load is correspondingly increased, and the uplift and overturning resistance of the original foundation of the power transmission tower is not matched with that of the power transmission tower after being reinforced and modified.
Disclosure of Invention
The invention aims to provide a power transmission tower with a hydraulic damping torsion extending arm rising, which utilizes the rotation of a low hanging point single rotating arm to unload the horizontal force under the accident condition and the torsion force caused by the low hanging point single rotating arm, and simultaneously solves the problem of too low lead caused by the rotation of the low hanging point single rotating arm, and the hydraulic damper torsion support is utilized to reduce the broken line impact and the structural vibration so as to respectively limit the rotating speed of the low hanging point single rotation arm and the power effect of the whole structure, the second moment limiting block and the first moment limiting block are used for offsetting and fixing the starting moment, so that the characteristics of stable and durable structure during normal use and good effect of slow and effective unloading during accident working conditions are achieved, the power transmission tower becomes safer under the accident condition, and the manufacturing cost of the power transmission tower for reducing the torsion effect is reduced, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a power transmission tower with a torsional stretching arm rising by utilizing hydraulic damping comprises a power transmission tower body, wherein the upper end of the power transmission tower body is symmetrically connected with a main tower double-rotating shaft, the main tower double-rotating shaft is respectively sleeved with a low hanging point single-rotating-arm and a hydraulic damper torsional support from bottom to top, the upper end of the main tower double-rotating shaft is fixedly connected with a top supporting block, the upper surface of the top supporting block is fixedly connected with a high hanging point support, the upper surface of the low hanging point single-rotating-arm is fixedly connected with a single-rotating-arm upper lug plate, the single-rotating-arm upper lug plate is connected with a guy cable, one end of the guy cable is connected with one side of the high hanging point support, two ends of the guy cable are fixedly connected with a transverse sleeve, a rotating column is connected in the transverse sleeve in a penetrating manner, two ends of the rotating column are respectively connected with an installation block;
the hydraulic damper torsion support comprises an inner ring, an outer ring and a push rod, the inner ring is movably connected with the outer ring, one end of the push rod is fixedly connected with the outer wall of the outer ring, the outer wall of the inner ring is symmetrically connected with a first wing plate, the upper end and the lower end of the inner wall of the inner ring are symmetrically connected with a first sealing ring and a second sealing ring, a fastening ring is fixedly connected onto the inner wall of the inner ring between the second sealing rings, the fastening ring is sleeved with a main tower double-rotating shaft, the upper end and the lower end of the outer ring are respectively connected with an end ring, one side of the end ring close to the center of the outer ring is fixedly connected with a baffle, one side of the baffle close to the outer ring is connected with.
Preferably, one end of the low hanging point single rotation arm is connected with an iron pin, the iron pin is hinged with a hinged connection device, the upper surface of the low hanging point single rotation arm is fixedly connected with a fixed steel rod, the fixed steel rod penetrates through the outward extending groove, and the lower surface of one end, far away from the power transmission tower body, of the low hanging point single rotation arm is connected with a low hanging point insulator.
Preferably, one side of the hinge connecting device is fixedly connected with a clamping plate, the clamping plate is clamped and connected with one end of the low hanging point single rotating arm, the hinge connecting device is sleeved with the main tower double rotating shaft, and a gap is reserved between the upper end of the hinge connecting device and the lower end of the outer ring.
Preferably, the high hanging point support is of an inverted triangular structure, the two sides of the high hanging point support are symmetrically connected with the upper support ear plate, the upper support ear plate is fixedly connected with the mounting block, and the high hanging point support is connected with a high hanging point insulator.
Preferably, the third sealing ring is located on the baffle between the first sealing ring and the second sealing ring, and the third sealing ring abuts against the first sealing ring and the second sealing ring respectively.
Preferably, the inner wall of the outer ring is symmetrically connected with a second wing plate, and the second wing plate is provided with a damping generation hole.
Preferably, the second wing plate and the first wing plate are equal in number and size, and damper hydraulic oil is filled between the second wing plate and the first wing plate.
Preferably, one side of the inner ring inner wall is fixedly connected with a second torque limiting block, the second torque limiting block corresponds to the first torque limiting block in position, the side faces of the second torque limiting block and the side faces of the first torque limiting block are connected in a propping mode, and the side faces of the second torque limiting block and the side faces of the first torque limiting block are both rough surfaces.
Preferably, the overhanging groove is an elongated groove.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a power transmission tower with a hydraulic damping torsion extending arm rising, which utilizes the rotation of a low hanging point single rotating arm to unload the horizontal force and the torsion force caused by the low hanging point single rotating arm under the accident condition, simultaneously solves the problem of too low lead caused by the rotation of the low hanging point single rotating arm, utilizes a hydraulic damper torsion support to reduce the broken line impact and the structural vibration so as to respectively limit the rotation speed of the low hanging point single rotating arm and the power effect of the whole structure, and utilizes a starting moment which is fixed by a second moment limiting block and a first moment limiting block in an abutting mode to achieve the characteristics of stable and durable structure when in normal use.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a partial block diagram of the present invention;
FIG. 3 is a low hang point single swivel arm construction of the present invention;
fig. 4 is a structural view of a hinge coupling device of the present invention;
FIG. 5 is a schematic view of the cable of the present invention;
FIG. 6 is a structural view of a torsional support of the hydraulic damper of the present invention;
FIG. 7 is a view of the inner ring structure of the present invention;
FIG. 8 is a view of the outer ring structure of the present invention;
FIG. 9 is a cross-sectional view of the hydraulic damper torsional support of the present invention;
FIG. 10 is an enlarged view of A of the present invention.
In the figure: 1. a power transmission tower body; 11. a main tower double rotating shaft; 12. a top support block; 2. a low hanging point single rotating arm; 21. a single-rotation arm upper ear plate; 22. an iron pin; 23. a hinge connection device; 231. a clamping plate; 24. fixing the steel rod; 25. a low hang point insulator; 3. a hydraulic damper torsional support; 31. an inner ring; 311. a first wing plate; 312. a first seal ring; 313. a second seal ring; 314. a fastening ring; 315. a second torque limiting block; 32. an outer ring; 321. an end ring; 322. a baffle plate; 323. a third seal ring; 324. a first torque limiting block; 325. a second wing plate; 3251. a damping generating hole; 33. a push rod; 331. an outward extending groove; 4. a high hanging point bracket; 41. an upper ear plate of the bracket; 42. a high hang point insulator; 5. a cable; 51. a transverse sleeve; 52. turning the column; 53. mounting blocks; 54. a spring.
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.
Referring to fig. 1-2, a power transmission tower using hydraulic damping to twist an arm to rise comprises a power transmission tower body 1, wherein a main tower double-rotating shaft 11 is symmetrically connected to the upper end of the power transmission tower body 1, a low hanging point single-rotating arm 2 and a hydraulic damper twisting support 3 are respectively sleeved on the main tower double-rotating shaft 11 from bottom to top, a top support block 12 is fixedly connected to the upper end of the main tower double-rotating shaft 11, a high hanging point support 4 is fixedly connected to the upper surface of the top support block 12, the high hanging point support 4 is of an inverted triangle structure, support upper ear plates 41 are symmetrically connected to two sides of the high hanging point support 4, the support upper ear plates 41 are fixedly connected to a mounting block 53, the support upper ear plates 41 start to one end where a guy cable 5 is mounted, a high hanging point insulator 42 is connected to the high hanging point support 4, and the high hanging point insulator 42.
Referring to fig. 3-4, a single rotation arm upper ear plate 21 is fixedly connected to an upper surface of the low hanging point single rotation arm 2, an iron pin 22 is connected to one end of the low hanging point single rotation arm 2, a hinge device 23 is hinged to the iron pin 22, the low hanging point single rotation arm 2 can rotate on the hinge device 23 through the iron pin 22, a clamping plate 231 is fixedly connected to one side of the hinge device 23, the clamping plate 231 is clamped to one end of the low hanging point single rotation arm 2, the hinge device 23 is sleeved to the main double-tower shaft 11, the hinge device 23 can rotate on the main double-tower shaft 11, a gap is left between an upper end of the hinge device 23 and a lower end of the outer ring 32, the hinge device 23 does not drive the outer ring 32 to rotate and does not generate a linkage effect, a fixing steel rod 24 is fixedly connected to an upper surface of the low hanging point single rotation arm 2, the fixing steel rod 24 penetrates through the extension groove 331, the fixed steel rod 24 is movably connected with the outward extending groove 331, the outward extending groove 331 provides a moving space for the fixed steel rod 24, the lower surface of one end, far away from the power transmission tower body 1, of the low hanging point single rotating arm 2 is connected with a low hanging point insulator 25, the upper ear plate 21 of the single rotating arm is connected with a cable 5, the cable 5 is connected with the low hanging point single rotating arm 2 and the high hanging point support 4, under the accident condition, particularly under the action of huge torsional force generated by horizontal load caused by antisymmetric broken lines, the low hanging point single rotating arm 2 moves relatively, the fixed steel rod 24 on the low hanging point single rotating arm 2 rotates to drive the outward extending groove 331 of the push rod 33 to move, the rotating force of the low hanging point single rotating arm 2 is converted into the force for driving the hydraulic damper torsion support 3 to rotate, and the low hanging point single rotating arm 2 drives the hydraulic damper torsion support 3 to rotate.
Referring to fig. 5, one end of a cable 5 is connected to one side of a high hanging point bracket 4, two ends of the cable 5 are fixedly connected to a transverse sleeve 51, a rotary column 52 is connected in the transverse sleeve 51 in a penetrating manner, the transverse sleeve 51 can rotate on the rotary column 52, two ends of the rotary column 52 are respectively connected to a mounting block 53, the mounting blocks 53 are fixedly connected to a single-rotation arm upper ear plate 21, springs 54 are respectively sleeved on the rotary columns 52 between the transverse sleeve 51 and the mounting blocks 53, one end of each spring 54 is fixedly connected to one end of the transverse sleeve 51, the other end of each spring 54 is respectively connected to the single-rotation arm upper ear plate 21 and a bracket upper ear plate 41, the springs 54 support the transverse sleeve 51 and fix the position of the transverse sleeve 51, when an accident condition occurs, the low hanging point single-rotation arm 2 moves relatively, the cable 5 passively tilts, and the springs 54 contract to provide space for tilting of the cable 5 and prevent the cable 5 from.
Referring to fig. 6-10, the hydraulic damper torsion support 3 includes an inner ring 31, an outer ring 32 and a push rod 33, the inner ring 31 is movably connected with the outer ring 32, one end of the push rod 33 is fixedly connected with the outer wall of the outer ring 32, the outer wall of the inner ring 31 is symmetrically connected with a first wing 311, the upper end and the lower end of the inner wall of the inner ring 31 are symmetrically connected with a first sealing ring 312 and a second sealing ring 313, the inner wall of the inner ring 31 between the second sealing rings 313 is fixedly connected with a fastening ring 314, the fastening ring 314 is sleeved with the main tower double-rotating shaft 11, the inner wall of the fastening ring 314 is subjected to rough treatment to prevent slipping, the fastening ring 314 is tightly connected with the main tower double-rotating shaft 11 and does not rotate, the upper end and the lower end of the outer ring 32 are respectively connected with an end ring 321, a baffle 322 is fixedly connected to one side of the end ring 321 close to the center of the outer ring 32, a third sealing ring 323 is connected to one side of the baffle, the third seal ring 323 respectively offsets against the first seal ring 312 and the second seal ring 313, the first seal ring 312, the second seal ring 313 and the third seal ring 323 play a sealing role to prevent the hydraulic oil of the damper from overflowing, one side of the baffle 322 is fixedly connected with a first torque limiting block 324, one side of the inner wall of the inner ring 31 is fixedly connected with a second torque limiting block 315, the positions of the second torque limiting block 315 and the first torque limiting block 324 correspond, the side surfaces of the second torque limiting block 315 and the first torque limiting block 324 are in offsetting connection, and the offsetting side of the second torque limiting block 315 and the first torque limiting block 324 is a rough surface, in an initial state, the second torque limiting block 315 and the first torque limiting block 324 are abutted and fixed to play an initial torque role to prevent the low hanging point single rotating arm 2 from generating relative movement, under the condition, especially under the action of huge torsional force generated by horizontal load caused by line breaking, relative motion takes place for low hanging point single rotation arm 2, second moment stopper 315 and first moment stopper 324 dislocation, symmetric connection has second pterygoid lamina 325 on the inner wall of outer ring 32, damping production hole 3251 has been seted up on the second pterygoid lamina 325, second pterygoid lamina 325 and first pterygoid lamina 311 quantity, the size equals, it has the attenuator hydraulic oil to fill between second pterygoid lamina 325 and the first pterygoid lamina 311, when outer ring 32 twists reverse, second pterygoid lamina 325 drive attenuator hydraulic oil passes damping production hole 3251, take place the power consumption, thereby produce the damping, slow down low hanging point single rotation arm 2 rotatory speed and angle, overhanging groove 331 has been seted up to the one end of push rod 33, overhanging groove 331 is rectangular shape groove.
The working process is as follows: the high hanging point insulator 42 and the low hanging point insulator 25 are respectively connected with a high-voltage transmission line, in an initial state, the second torque limiting block 315 and the first torque limiting block 324 are abutted and fixed to play a role of initial torque to prevent the low hanging point single rotating arm 2 from moving relatively, under the condition of an accident, particularly under the action of huge torsional force generated by horizontal load caused by antisymmetric broken lines, the low hanging point single rotating arm 2 moves relatively, the second torque limiting block 315 and the first torque limiting block 324 are staggered, the outward extending groove 331 provides a movable space for the fixed steel rod 24, the low hanging point single rotating arm 2 moves relatively, the fixed steel rod 24 on the low hanging point single rotating arm 2 rotates to drive the outward extending groove 331 of the push rod 33 to move, the force of the low hanging point single rotating arm 2 is converted into the force of driving the hydraulic damper torsion support 3 to twist, and damper hydraulic oil is filled between the second wing plate 325 and the first wing plate 311, when the outer ring 32 is twisted, the second wing plate 325 drives the damper hydraulic oil to pass through the damper generating hole 3251, and consumes energy, thereby generating damping, slowing down the speed and angle of rotation of the low hanging point single rotation arm 2, and although the magnitude of the horizontal force is basically unchanged, the horizontal force arm is greatly reduced or even becomes zero, so that the rotation can greatly reduce the bending moment of the low hanging point single rotation arm 2, thereby protecting the safety of the low hanging point single rotation arm 2, and reducing the manufacturing cost of the low hanging point single rotation arm 2, in addition, the torque transmitted to the main tower is also reduced, so that the safety of the main tower is also improved, the stay cable 5 connects the low hanging point single rotation arm 2 with the high hanging point bracket 4, when the low hanging point single rotation arm 2 rotates, the distance between the bracket upper ear plate 41 where the high hanging point bracket 4 is connected with the stay cable 5 is increased, and the low hanging point single rotation arm 2 relatively moves, the cable 5 inclines passively, and spring 54 contracts, provides the space for the slope of cable 5, prevents that cable 5 from bending cable 5 and produced great pulling force, makes low hanging point list revolve rocking arm 2 by cable 5 upwards pull-up on the way of the rotation, thereby makes low hanging point list revolve rocking arm 2 also produced vertical displacement when producing lateral displacement, through increasing the hanging point height like this, has effectively solved the wire that leads to by the pivot rotation under the broken string condition and has crossed the low problem.
In summary, the following steps: according to the power transmission tower with the hydraulic damping torsion extending arm ascending, the rotation of the low hanging point single rotating arm 2 is utilized to unload the horizontal force and the torsion force caused by the low hanging point single rotating arm 2 under the accident condition, the problem that the wire is too low caused by the rotation of the low hanging point single rotating arm 2 is solved, the wire breakage impact and the structural vibration are reduced by utilizing the hydraulic damper torsion support 3 to respectively limit the rotating speed of the low hanging point single rotating arm 2 and the power effect of the whole structure, the fixed starting torque is propped against the first torque limiting block 324 through the second torque limiting block 315, the structure is stable and durable in normal use, the good effect of slow and effective unloading is achieved under the accident condition, the power transmission tower becomes safer under the accident condition, and the manufacturing cost of the power transmission tower for reducing the torsion effect is reduced.
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 and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides an utilize transmission tower that hydraulic damping torsional boom ascended, includes transmission tower body (1), its characterized in that: the upper end of the power transmission tower body (1) is symmetrically connected with a main tower double rotating shaft (11), the main tower double rotating shaft (11) is respectively sleeved with a low hanging point single rotating arm (2) and a hydraulic damper torsion support (3) from bottom to top, the upper end of the main tower double rotating shaft (11) is fixedly connected with a top supporting block (12), the upper surface of the top supporting block (12) is fixedly connected with a high hanging point support (4), the upper surface of the low hanging point single rotating arm (2) is fixedly connected with a single rotating arm upper lug plate (21), the single rotating arm upper lug plate (21) is connected with a guy cable (5), one end of the guy cable (5) is connected with one side of the high hanging point support (4), two ends of the guy cable (5) are fixedly connected with a transverse sleeve (51), a rotating column (52) is penetratingly connected in the transverse sleeve (51), two ends of the rotating column (52) are respectively connected with a mounting block (53), and the mounting block (53) is fixedly connected with the, springs (54) are sleeved on the rotating columns (52) between the transverse sleeves (51) and the mounting blocks (53);
the hydraulic damper torsion support (3) comprises an inner ring (31), an outer ring (32) and a push rod (33), the inner ring (31) is movably connected with the outer ring (32), one end of the push rod (33) is fixedly connected with the outer wall of the outer ring (32), a first wing plate (311) is symmetrically connected onto the outer wall of the inner ring (31), a first sealing ring (312) and a second sealing ring (313) are symmetrically connected onto the upper end and the lower end of the inner wall of the inner ring (31), a fastening ring (314) is fixedly connected onto the inner wall of the inner ring (31) between the second sealing rings (313), the fastening ring (314) is sleeved with a main tower double-rotating shaft (11), the upper end and the lower end of the outer ring (32) are respectively connected with an end ring (321), a baffle plate (322) is fixedly connected onto one side of the end ring (321) close to the circle center of the outer ring (32), a third sealing ring (323) is connected onto one side of the baffle plate (322) close to the, one end of the push rod (33) is provided with an outward extending groove (331).
2. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: the low hanging point single rotation arm (2) is connected with an iron pin (22), the iron pin (22) is hinged to a hinge connecting device (23), the upper surface of the low hanging point single rotation arm (2) is fixedly connected with a fixed steel rod (24), the fixed steel rod (24) penetrates through an outward extending groove (331), and the lower surface of one end, away from the power transmission tower body (1), of the low hanging point single rotation arm (2) is connected with a low hanging point insulator (25).
3. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: one side of the hinge connecting device (23) is fixedly connected with a clamping plate (231), the clamping plate (231) is clamped and connected with one end of the low hanging point single rotating arm (2), the hinge connecting device (23) is sleeved with the main tower double rotating shaft (11), and a gap is reserved between the upper end of the hinge connecting device (23) and the lower end of the outer ring (32).
4. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: the high hanging point support (4) is of an inverted triangular structure, two sides of the high hanging point support (4) are symmetrically connected with support upper ear plates (41), the support upper ear plates (41) are fixedly connected with the mounting block (53), and the high hanging point support (4) is connected with a high hanging point insulator (42).
5. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: the third sealing ring (323) is positioned on the baffle (322) between the first sealing ring (312) and the second sealing ring (313), and the third sealing ring (323) is respectively abutted against the first sealing ring (312) and the second sealing ring (313).
6. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: the inner wall of the outer ring (32) is symmetrically connected with a second wing plate (325), and the second wing plate (325) is provided with a damping generation hole (3251).
7. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 6, wherein: the number and the size of the second wing plate (325) and the first wing plate (311) are equal, and damper hydraulic oil is filled between the second wing plate (325) and the first wing plate (311).
8. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: one side of the inner wall of the inner ring (31) is fixedly connected with a second moment limiting block (315), the second moment limiting block (315) corresponds to the first moment limiting block (324), the side faces of the second moment limiting block (315) and the first moment limiting block (324) are connected in an offsetting manner, and one side of the second moment limiting block (315) and the first moment limiting block (324) in an offsetting manner is a rough surface.
9. A transmission tower that ascends with a hydraulically damped torsional boom according to claim 1, wherein: the outward extending groove (331) is a long strip-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910068.9A CN112012550A (en) | 2020-09-02 | 2020-09-02 | Transmission tower with hydraulic damping torsion extending arm ascending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910068.9A CN112012550A (en) | 2020-09-02 | 2020-09-02 | Transmission tower with hydraulic damping torsion extending arm ascending |
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| CN112012550A true CN112012550A (en) | 2020-12-01 |
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| CN202010910068.9A Withdrawn CN112012550A (en) | 2020-09-02 | 2020-09-02 | Transmission tower with hydraulic damping torsion extending arm ascending |
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| CN104314350A (en) * | 2014-10-28 | 2015-01-28 | 成都峰达科技有限公司 | Environment-friendly power transmission stand |
| CN104746935A (en) * | 2015-04-07 | 2015-07-01 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN205677340U (en) * | 2016-05-19 | 2016-11-09 | 国网福建省电力有限公司 | Elastic rotation cross-arm |
| KR101952427B1 (en) * | 2018-03-30 | 2019-02-26 | 광동지엘씨(주) | Cable tray structure with a reinforced earthquake-proof function |
| CN108521110A (en) * | 2018-04-25 | 2018-09-11 | 中山市亚合电器有限公司 | A kind of electric power facility |
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