CN111877842A - Power transmission tower with ascending extending arm and hydraulically reset metal damper - Google Patents
Power transmission tower with ascending extending arm and hydraulically reset metal damper Download PDFInfo
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- CN111877842A CN111877842A CN202010906034.2A CN202010906034A CN111877842A CN 111877842 A CN111877842 A CN 111877842A CN 202010906034 A CN202010906034 A CN 202010906034A CN 111877842 A CN111877842 A CN 111877842A
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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
- E04H12/02—Structures made of specified materials
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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
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a power transmission tower with a metal damper capable of dissipating energy and hydraulically resetting and an ascending extending arm, which belongs to the technical field of power transmission towers and comprises a main tower, wherein the main tower is arranged on the ground, a main rotating shaft of the main tower is arranged on the main tower, a low hanging point single-rotation arm is arranged on the outer side of the main rotating shaft, and a horizontal rotation winch is connected onto the low hanging point single-rotation arm. According to the power transmission tower with the energy-consuming hydraulic reset extending arm, the danger caused by the fact that the conducting wire is too low is reduced, the torsion force borne by the main tower can be effectively reduced, the damping reduces vibration, the power transmission tower is well protected, the low hanging point single rotating arm is driven to rotate, maintenance and installation work is greatly facilitated, the low hanging point single rotating arm is rotated, maintenance and installation can be very conveniently conducted, the phenomenon that a pole column is deformed due to too high pressure is avoided, and after stretching, the pole column rebounds through elasticity to drive the whole reset.
Description
Technical Field
The invention relates to the technical field of power transmission towers, in particular to a power transmission tower with a rising extending arm and a metal damper for energy dissipation and hydraulic reset.
Background
The power transmission tower is a common high-rise structure and is usually subjected to the actions of gravity load, wind load, earthquake load and the like, meanwhile, various load actions borne by a power transmission line on the power transmission tower are finally transmitted to the power transmission tower, and under the normal condition, the force generated by the power transmission line on the power transmission tower is close to balance, so that the power transmission tower is only subjected to the action of vertical force and a small part of unbalanced force, but under the condition of accident, after the asymmetric fracture of the power transmission line on the power transmission tower, the power transmission line can generate not only vertical load but also horizontal load on the power transmission tower. In addition, at present, most of power transmission towers need to have a large insulation space under the insulation requirement of a power transmission mechanism, so that a first distance (for example, two lower power transmission lines of a three-wire system) is usually between a stress action point of a power transmission line of the power transmission tower and a centroid of a main tower of the power transmission tower, a torque to the main tower is generated under the action of a horizontal load, particularly under an antisymmetric wire breakage accident condition, the torques at two sides are superposed, under the action of the torque, the safety of the main tower is extremely adversely affected, and the wire breakage load has an obvious power impact characteristic, so that the damage to a structure is increased.
Disclosure of Invention
The invention aims to provide the power transmission tower which reduces the danger caused by over-low wires, can effectively reduce the torsion force borne by a main tower, can reduce vibration through damping, plays a very good role in protecting the power transmission tower, drives a low hanging point single rotating arm to rotate, greatly facilitates maintenance and installation work, rotates the low hanging point single rotating arm, can be very conveniently maintained and installed, avoids the deformation of a pole column caused by over-high pressure, and drives an integrally reset metal damper to consume energy and hydraulically reset an extending arm to lift through elastic rebounding after stretching, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a power transmission tower with an ascending extending arm and a hydraulic reset function of a metal damper comprises a main tower, wherein the main tower is installed on the basis of the ground, a main tower main rotating shaft is arranged on the main tower, a low hanging point single rotating arm is arranged on the outer side of the main rotating shaft, a horizontal rotating winch is connected onto the low hanging point single rotating arm, the horizontal rotating winch connected onto the low hanging point single rotating arm is matched and connected with the main rotating shaft on the main tower through a bearing or a bearing bush, a hydraulic metal damper torsion support is connected above the horizontal rotating winch, a high hanging point support is installed on the main tower, a high hanging point insulator is installed on the high hanging point support, the high hanging point insulator is connected with a high-voltage power transmission line, two low hanging point insulators are symmetrically installed on the low hanging point single rotating arm, the two low hanging point insulators are connected with the high-voltage power transmission line, and a reset auxiliary assembly is wrapped on the outer side of the hydraulic, the auxiliary assembly that resets includes internal groove, overcoat frictional layer A, overcoat frictional layer B, pressure boost bump, connecting rod, protective sheath and elastic component, and the internal groove is established in main pivot and the junction that connects hydraulic metal damper torsion support, and the outside cladding protective sheath of connecting rod, the elastic component is installed respectively to the both ends head of connecting rod, and the elastic component and the main pivot butt joint face of connecting rod top are connected, and the elastic component of connecting rod below is connected with hydraulic metal damper torsion support's inner, hydraulic power interface valve that can reset is connected to hydraulic metal damper torsion support's side
Further, the low hanging point single rotating arm can horizontally rotate on the main tower through the main rotating shaft of the main tower, the low hanging point single rotating arm can vertically rotate on the main tower through the horizontal rotating hinge, and the main tower structure can adopt various forms including a solid-web type member and a lattice type member.
Further, the low hang point single swivel arm structure may take a variety of forms, including solid belly and lattice members, and the high hang point bracket structure may take a variety of forms, including solid belly and lattice members.
Furthermore, the hydraulic metal damper torsion support comprises a hydraulic metal damper torsion support inner ring, a hydraulic metal damper torsion support outer ring, a resettable hydraulic power interface tube, a metal damper part, a hydraulic metal damper torsion support inner ring wing plate, a hydraulic metal damper torsion support outer ring wing plate and a hydraulic metal damper torsion support outer extending groove, a plurality of groups of metal damper parts are installed between the hydraulic metal damper torsion support inner ring and the hydraulic metal damper torsion support outer ring, the hydraulic metal damper torsion support inner ring wing plate and the hydraulic metal damper torsion support outer ring wing plate are respectively installed on the hydraulic metal damper torsion support inner ring and the hydraulic metal damper torsion support outer ring, and the resettable hydraulic power interface tube is connected with the resettable torsion hydraulic damper outer ring.
Furthermore, a low hanging point single rotating arm rigid rod and a low hanging point rotating arm ear plate are arranged above the low hanging point single rotating arm, the low hanging point single rotating arm is connected with a steel cable through the low hanging point rotating arm ear plate, the other end of the steel cable is connected with the side end of the high hanging point support, and the two groups of steel cables are respectively arranged on two sides of the high hanging point support and the low hanging point single rotating arm.
Furthermore, two groups of low hanging point single-rotation rotary arm rigid rods are arranged, and one end of each group of low hanging point single-rotation rotary arm rigid rods penetrates through the outward extending groove of the hydraulic metal damper torsion support.
Furthermore, the resettable hydraulic power interface valve comprises an internal circulation valve, an external power interface valve and a valve ball, wherein the valve ball is arranged in the series small hole at the front end of the internal circulation valve of the series small hole, one end of the internal circulation valve of the series small hole is connected with the resettable hydraulic power interface pipe, and one end of the external power interface valve is connected with an external power source.
Furthermore, the outer side of the outer ring of the two groups of hydraulic metal damper torsion supports are respectively sleeved with the outer sleeve friction layer A and the outer sleeve friction layer B, a plurality of pressurizing salient points are arranged on the outer sides of the outer sleeve friction layer A and the outer sleeve friction layer B, and a plurality of groups of connecting rods, protective sleeves and elastic pieces are respectively arranged in the internal connecting grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the power transmission tower with the rising extending arm and the hydraulic reset metal damper, the distance between the lug plate on the low hanging point rotating wall and the lug plate for fixing the steel cable on the high hanging point support is increased in the rotating process of the low hanging point single rotating arm, but the steel cable generates larger tension to enable the low hanging point single rotating arm to rotate up and down along the horizontal rotating winch due to smaller line strain generated by the steel cable under the condition of tension, so that not only is the transverse displacement generated but also the vertical displacement is generated in the stressed motion process of the low hanging point single rotating arm, the low hanging point single rotating arm is prevented from being too low in the rotating process, and the danger caused by too low conductor is reduced.
2. The invention provides a power transmission tower with a metal damper capable of dissipating energy and hydraulically resetting and an extending arm rising, wherein a resettable hydraulic power interface tube is connected with an outer ring of a resettable torsional hydraulic damper, hydraulic oil can enter the resettable hydraulic power interface tube, a metal damper part has a certain elastic deformation interval and higher rigidity, so that the metal damper part is equivalent to certain initial torque and limits the deformation of a low-hanging-point single-rotation arm under the action of small load, the metal damper part can be normally installed and used, under the accident working condition, particularly under the action of huge torsional force generated by horizontal load due to antisymmetry line breakage, a torsional support of the hydraulic metal damper generates large displacement torsion, so that the low-hanging-point single-rotation arm is allowed to rotate, after the rotation, although the horizontal force is basically unchanged, the force arm of the horizontal force can be greatly reduced, even is zero, and the torsion force borne by a main tower can be effectively reduced, and the damping reduces the vibration, thereby playing a very good role in protecting the transmission tower.
3. According to the power transmission tower with the energy-consuming hydraulic reset extending arm ascending, the torsion support of the hydraulic metal damper can be twisted, the hydraulic damping and the metal damping work simultaneously to reduce vibration, so that the beneficial effects of limiting excessive deformation and too fast deformation of the low hanging point single rotating arm and reducing vibration are achieved.
4. The invention provides a power transmission tower with an ascending extending arm hydraulically reset by energy consumption of a metal damper, wherein an external power interface valve is in a closed state, an internal circulation valve of a series small hole is in an open state to form internal circulation, hydraulic oil can consume energy when passing through the small hole connected in series with the internal circulation valve of the series small hole, the internal circulation valve of the series small hole is closed when the power transmission tower is maintained under an accident working condition and is initially installed under the working condition, two external power interface valves are connected with external hydraulic power, the whole support can be rotated by controlling the external hydraulic pressure of the two valves, in the installation process, the rotation angle of a low hanging point single rotation arm needs to be adjusted, after temporary support is applied to a main tower, the external power can be used for rotating the low hanging point single rotation arm by driving the pressure in two external power interface valve hydraulic systems, therefore, the maintenance and installation can be very conveniently carried out.
5. According to the power transmission tower with the energy-consuming hydraulic reset extending arm, the connecting rods, the protective sleeve and the elastic piece are arranged in multiple groups and are respectively arranged in the internal connecting groove, the pressurizing salient points on the outer sleeve friction layer A and the outer sleeve friction layer B are extruded when the hydraulic metal damper torsion support rotates, the friction pressure is increased, the deformation of a rod column caused by overlarge pressure is avoided, after the hydraulic metal damper torsion support rotates, the connecting rods are stretched to be inclined through the elastic piece, and after the hydraulic metal damper torsion support rotates, the elastic piece rebounds to drive the whole power transmission tower to reset.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of a main column structure of the present invention;
FIG. 4 is an elevational view of the overall construction of the present invention;
FIG. 5 is a schematic view of a low hanging point single swivel arm of the present invention;
FIG. 6 is a schematic view of a horizontal swivel hinge of the present invention;
FIG. 7 is a schematic structural view of a torsional support of the hydraulic metal damper of the present invention;
FIG. 8 is a schematic view of a metal damper component of the present invention;
FIG. 9 is a schematic view of the structure of the ring wing plate in the torsional support of the hydraulic metal damper of the present invention;
FIG. 10 is a schematic view of the outer ring structure of the torsional support of the hydraulic metal damper of the present invention;
FIG. 11 is a schematic view of a resettable hydraulic power interface valve of the present invention;
FIG. 12 is a cross-sectional view of the valve ball structure of the present invention;
FIG. 13 is a partial cross-sectional view of the reduction assistance assembly of the present invention;
fig. 14 is a partial structural cross-sectional view of the reduction assistance assembly of the present invention.
In the figure: 1. a main tower; 101. a main rotating shaft; 2. a low hanging point single rotating arm; 201. horizontally rotating and twisting; 202. a single-rotation arm rigid rod with a low hanging point; 203. a low hanging point rotating arm ear plate; 3. a hydraulic metal damper torsion support; 301. the hydraulic metal damper is arranged in the torsion support inner ring; 302. the hydraulic metal damper is arranged on the outer ring of the torsional support; 303. a resettable hydraulic power interface tube; 304. a metal damper component; 305. an inner ring wing plate of the hydraulic metal damper torsion support; 306. an outer ring wing plate of the torsional support of the hydraulic metal damper; 307. the hydraulic metal damper torsion support extends outwards to form a groove; 4. a high hanging point bracket; 5. a high hang point insulator; 6. a low hang point insulator; 7. a reset assist assembly; 701. an interconnecting slot; 702. a jacket friction layer A; 703. a jacket friction layer B; 704. pressurizing the salient points; 705. a connecting rod; 706. a protective sleeve; 707. an elastic member; 8. a steel cord; 9. a resettable hydraulic power interface valve; 901. an internal circulation valve with small holes connected in series; 902. an external power interface valve; 903. a valve ball.
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. 1-3, a power transmission tower with an ascending cantilever for hydraulic energy dissipation and resetting of a metal damper comprises a main tower 1, wherein the main tower 1 is installed on the ground, a main rotating shaft 101 of the main tower 1 is arranged on the main tower 1, a low hanging point single rotating arm 2 is arranged on the outer side of the main rotating shaft 101, a horizontal rotating winch 201 is connected to the low hanging point single rotating arm 2, the horizontal rotating winch 201 connected to the low hanging point single rotating arm 2 is connected to the main rotating shaft 101 of the main tower 1 through a bearing or a bearing bush in a matching manner, a hydraulic metal damper torsion support 3 is connected above the horizontal rotating winch 201, a high hanging point support 4 is installed on the main tower 1, a high hanging point insulator 5 is installed on the high hanging point support 4, the high hanging point insulator 5 is connected to a high voltage power transmission line, two low hanging point insulators 6 are symmetrically installed on the low hanging point single rotating arm 2, and the two low hanging point insulators 6 are connected to the high voltage power transmission line, the outer side of the hydraulic metal damper torsion support 3 is wrapped with a reset auxiliary assembly 7, and the side end of the hydraulic metal damper torsion support 3 is connected with a resettable hydraulic power interface valve 9.
Referring to fig. 4-5, the low hanging point single rotation arm 2 can horizontally rotate on the main tower 1 through the main rotation shaft 101 of the main tower 1, the low hanging point single rotation arm 2 can vertically rotate on the main tower 1 through the horizontal rotation hinge 201, the structure of the main tower 1 can adopt various forms including solid web type and lattice type members, the structure of the low hanging point single rotation arm 2 can adopt various forms including solid web type and lattice type members, and the structure of the high hanging point support 4 can adopt various forms including solid web type and lattice type members, a low hanging point single rotation arm rigid rod 202 and a low hanging point rotation arm ear plate 203 are arranged above the low hanging point single rotation arm 2, the low hanging point single rotation arm 2 is connected with the steel cable 8 through the low hanging point rotation arm ear plate 203, the other end of the steel cable 8 is connected with the side end of the high hanging point support 4, two sets of the steel cables 8 are respectively arranged at two sides of the high hanging point support 4 and the low hanging point single rotation arm 2, low hanging point list revolves rocking arm 2 is at rotatory in-process, the low hanging point rocking arm otic placode 203 and the otic placode distance grow of fixed cable wire 8 on the high hanging point support 4, but because cable wire 8 is less receiving the line strain that tensile condition produced, cable wire 8 can produce great pulling force and make low hanging point list revolve rocking arm 2 rotate from top to bottom along horizontal rotation hank 201, in low hanging point list revolves rocking arm 2 atress motion process, not only produced lateral displacement and also produced vertical displacement, guaranteed that low hanging point list revolves rocking arm 2 is unlikely to the wire at rotatory in-process and is crossed lowly, reduced the wire and crossed the danger that produces.
Referring to fig. 6, two sets of low-hanging-point single-turn rigid rods 202 are provided, one end of each set of low-hanging-point single-turn rigid rods 202 penetrates through an outward extending groove 307 of a hydraulic metal damper torsion support, an inner ring layer 301 of the hydraulic metal damper torsion support is connected with a main tower 1, the low-hanging-point single-turn rigid rods 202 penetrate through the outward extending groove 307 of the hydraulic metal damper torsion support, when the low-hanging-point single-turn rigid rods 2 rotate, the low-hanging-point single-turn rigid rods 202 drive the hydraulic metal damper torsion support 3 to twist, therefore, the hydraulic metal damper torsion support 3 is connected with the main tower 1 at one end and is connected with the low-hanging-point single-turn rigid rods 2 at the other end, when the low-hanging-point single-turn rigid rods 2 twist relative to the main tower 1, the hydraulic metal damper torsion support 3 can twist, the hydraulic damping and the metal damping work simultaneously to reduce vibration, thereby limiting excessive deformation and too fast deformation of the low-hanging-point single-turn rigid, the beneficial effect of vibration reduces, when the maintenance, sets up the interim back that supports to main tower 1, both can order about low hanging point single rotation arm 2 through external hydraulic power and rotate, very big having made things convenient for maintenance and installation work.
Referring to fig. 7-10, the hydraulic metal damper torsion mount 3 includes a hydraulic metal damper torsion mount inner ring 301, a hydraulic metal damper torsion mount outer ring 302, a resettable hydraulic power interface tube 303, a metal damper member 304, a hydraulic metal damper torsion mount inner ring wing plate 305, a hydraulic metal damper torsion mount outer ring wing plate 306, and a hydraulic metal damper torsion mount outward-extending groove 307, wherein multiple sets of metal damper members 304 are installed between the hydraulic metal damper torsion mount inner ring 301 and the hydraulic metal damper torsion mount outer ring 302, when a torsion angle is generated between the hydraulic metal damper torsion mount inner ring 301 and the hydraulic metal damper torsion mount outer ring 302, the metal damper members 304 are forced to generate shear deformation, when the metal damper members 304 enter a plastic state, energy consumption can be performed, and the hydraulic metal damper torsion mount inner ring wing plate 305 and the hydraulic metal damper torsion mount outer ring wing plate 306 are respectively installed in the hydraulic metal damper torsion mount inner ring 301, the hydraulic metal damper torsion mount outer ring 302, and energy consumption can be performed when the metal damper members The hydraulic metal damper torsion support inner ring 301 and the hydraulic metal damper torsion support outer ring 302 form a closed space, hydraulic oil is stored in the closed space, the resettable hydraulic power interface tube 303 is connected with the resettable torsion hydraulic damper outer ring 302, the hydraulic oil can enter the resettable hydraulic power interface tube 303, the metal damper component 304 has a certain elastic deformation interval and larger rigidity, so that certain initial torque is obtained, the deformation of the low hanging point single rotation arm 2 under the action of small load is limited, the hydraulic metal damper torsion support 3 can be normally installed and used, under the accident condition, particularly under the action of huge torsion force generated by horizontal load due to antisymmetric broken lines, the hydraulic metal damper torsion support 3 generates large displacement torsion, so that the low hanging point single rotation arm 2 is allowed to rotate, and after the rotation, although the horizontal force is basically unchanged, but the arm of force of the horizontal force can be greatly reduced, even to be zero, the torsion force borne by the main tower 1 can be effectively reduced, and the damping reduces the vibration, thereby playing a very good role in protecting the power transmission tower.
Referring to fig. 11-12, the resettable hydraulic interface valve 9 includes an internal circulation valve 901, an external power interface valve 902, and a valve ball 903, the valve ball 903 is disposed in the internal circulation valve 901 of the series small hole, one end of the internal circulation valve 901 of the series small hole is connected to the resettable hydraulic interface tube 303, one end of the external power interface valve 902 is connected to an external power source, when the power transmission tower is operating normally, the external power interface valve 902 is in a closed state, the internal circulation valve 901 of the series small hole is in an open state, an internal circulation is formed, hydraulic oil can consume energy when passing through the small hole connected in series with the internal circulation valve 901 of the series small hole, when the power transmission tower is in an accident condition and is in an initial installation condition, the internal circulation valve 901 of the series small hole is closed, and the two external power interface valves 902 are connected to the external hydraulic power, the function of rotating the whole support can be realized by controlling the external hydraulic pressure of the two valves, in the installation process, the rotation angle of the low hanging point single rotating arm 2 needs to be adjusted, after temporary support is applied to the main tower 1, the low hanging point single rotating arm 2 can be rotated by using external power to drive the pressure in the two external power interface valve 902 hydraulic systems, and therefore maintenance and installation can be very convenient.
Referring to fig. 13-14, the resetting auxiliary assembly 7 includes an internal connection groove 701, an external casing friction layer a702, an external casing friction layer B703, pressurizing bumps 704, a connection rod 705, a protection sleeve 706 and an elastic member 707, the internal connection groove 701 is disposed in a connection between the main shaft 101 and the hydraulic metal damper torsion support 3, the protection sleeve 706 covers the connection rod 705, the elastic member 707 is respectively mounted at two ends of the connection rod 705, the elastic member 707 above the connection rod 705 is connected to an abutting surface of the main shaft 101, the elastic member 707 below the connection rod 705 is connected to an inner end of the hydraulic metal damper torsion support 3, the external casing friction layer a702 and the external casing friction layer B703 are respectively covered on the outer sides of the two sets of hydraulic metal damper torsion support outer rings 302, the external sides of the external casing friction layer a702 and the external casing friction layer B703 are provided with a plurality of pressurizing bumps 704, the connection rod, the protection sleeve 706 and the elastic member 707 are respectively disposed in the internal connection groove, when the hydraulic metal damper torsion support 3 rotates, the pressurizing salient points 704 on the outer sleeve friction layer A702 and the outer sleeve friction layer B703 are extruded to increase friction pressure, the phenomenon that the pole column deforms due to overlarge pressure is avoided, after the hydraulic metal damper torsion support rotates, the connecting rods 705 stretch through the elastic pieces 707 to incline, and after the hydraulic metal damper torsion support stretches, the elastic pieces rebound to drive the whole body to reset.
In summary, in the power transmission tower with the rising extending arm for energy consumption and hydraulic resetting of the metal damper provided by the invention, in the rotating process of the low hanging point single rotating arm 2, the distance between the lug plate 203 of the low hanging point rotating arm and the lug plate for fixing the steel cable 8 on the high hanging point bracket 4 is increased, but because the wire strain generated by the steel cable 8 under the condition of tensile force is smaller, the steel cable 8 can generate larger tensile force to enable the low hanging point single rotating arm 2 to rotate up and down along the horizontal rotating hinge 201, in the forced movement process of the low hanging point single rotating arm 2, not only the transverse displacement but also the vertical displacement is generated, so that the low hanging point single rotating arm 2 is ensured to be too low in the rotating process, the danger caused by too low lead is reduced, the resettable hydraulic power interface tube 303 is connected with the resettable torsional hydraulic damper outer ring 302 and can enter the resettable hydraulic power interface tube 303, the metal damper component 304 has a certain elastic deformation interval, the rigidity is larger, so that a certain initial torque is equivalent to, the deformation of the low hanging point single rotating arm 2 under the action of a small load is limited, the hydraulic metal damper torsion support 3 can be normally installed and used, under the action of a large torsion force generated by a horizontal load caused by an accident working condition, particularly an antisymmetric broken line, the hydraulic metal damper torsion support 3 generates a large displacement torsion, so that the low hanging point single rotating arm 2 is allowed to rotate, after the rotation, although the horizontal force is basically unchanged, the force arm of the horizontal force can be greatly reduced and even is zero, the torsion force borne by the main tower 1 can be effectively reduced, the damping can reduce the vibration, the excellent effect of protecting the power transmission tower is achieved, the hydraulic metal damper torsion support 3 can be twisted, the hydraulic damping and the metal damping work simultaneously, the vibration is reduced, and the excessive deformation and the too fast deformation of the low hanging point single rotating arm 2 are limited, the beneficial effect of reducing vibration is that when in maintenance, after the temporary support is arranged on the main tower 1, the low hanging point single rotating arm 2 can be driven to rotate by external hydraulic power, which greatly facilitates the maintenance and installation work, the external power interface valve 902 is in a closed state, the internal circulation valve 901 of the series small hole is in an open state, which can form internal circulation, the hydraulic oil can consume energy when passing through the small hole connected in series with the internal circulation valve 901 of the series small hole, when the maintenance and initial installation work condition of the power transmission tower under the accident condition, the internal circulation valve 901 of the series small hole is closed, the two external power interface valves 902 are connected with external hydraulic power, the function of rotating the whole support can be realized by controlling the external hydraulic pressure of the two valves, in the installation process, the rotation angle of the low hanging point single rotating arm 2 needs to be adjusted, after the temporary support is applied on the main tower 1, can use external power through the pressure in the drive two outer power interface valve 902 hydraulic systems, come rotatory low hanging point single rotation arm 2, consequently can be very convenient maintain and install, connecting rod 705, protective sheath 706 and elastic component 707 set up the multiunit, set up respectively in the internal groove 701, when hydraulic metal damper twists reverse support 3 and takes place the pivoted, pressure boost bump 704 on overcoat frictional layer A702 and the overcoat frictional layer B703 extrudes, increase friction pressure, avoid appearing the too big pole deformation that leads to of pressure, after rotating, a plurality of connecting rods 705 stretch through elastic component 707 and become the slope, drive whole the resetting through elasticity after stretching.
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 (8)
1. The utility model provides a transmission tower that power consumption hydraulic pressure of metal damper reset's outrigger rises which characterized in that: the device comprises a main tower (1), wherein the main tower (1) is arranged on the ground, a main rotating shaft (101) of the main tower (1) is arranged on the main tower (1), a low hanging point single rotating arm (2) is arranged on the outer side of the main rotating shaft (101), a horizontal rotating winch (201) is connected onto the low hanging point single rotating arm (2), the horizontal rotating winch (201) connected onto the low hanging point single rotating arm (2) is matched and connected with the main rotating shaft (101) on the main tower (1) through a bearing or a bearing bush, a hydraulic metal damper torsion support (3) is connected above the horizontal rotating winch (201), a high hanging point support (4) is arranged on the main tower (1), a high hanging point insulator (5) is arranged on the high hanging point support (4), the high hanging point insulator (5) is connected with a high-voltage transmission line, two low hanging point insulators (6) are symmetrically arranged on the low hanging point single rotating arm (2), two low hanging point insulators (6) are connected with a high-voltage transmission line, the outer side of a hydraulic metal damper torsion support (3) is wrapped with a reset auxiliary assembly (7), the reset auxiliary assembly (7) comprises an internal connecting groove (701), an external friction layer A (702), an external friction layer B (703), a pressurizing bump (704), a connecting rod (705), a protective sleeve (706) and an elastic piece (707), the internal connecting groove (701) is arranged in the connecting position of a main rotating shaft (101) and the hydraulic metal damper torsion support (3), the outer side of the connecting rod (705) is wrapped with the protective sleeve (706), the elastic piece (707) is respectively installed at two ends of the connecting rod (705), the elastic piece (707) above the connecting rod (705) is connected with the butt joint surface of the main rotating shaft (101), the elastic piece (707) below the connecting rod (705) is connected with the inner end of the hydraulic metal damper torsion support (3), the side end of the hydraulic metal damper torsion support (3) is connected with a resettable hydraulic power interface valve (9).
2. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 1, wherein the power transmission tower is characterized in that: the low hanging point single rotation arm (2) can horizontally rotate on the main tower (1) through a main rotating shaft (101) of the main tower (1), the low hanging point single rotation arm (2) vertically rotates on the main tower (1) through a horizontal rotation hinge (201), and the structure of the main tower (1) can adopt various forms including a solid-web type member and a lattice type member.
3. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 1, wherein the power transmission tower is characterized in that: the low hanging point single rotating arm (2) structure can adopt various forms including solid web type and lattice type components, and the high hanging point support (4) structure can adopt various forms including solid web type and lattice type components.
4. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 1, wherein the power transmission tower is characterized in that: the hydraulic metal damper torsion support (3) comprises a hydraulic metal damper torsion support inner ring (301), a hydraulic metal damper torsion support outer ring (302), a resettable hydraulic power interface tube (303), a metal damper component (304), a hydraulic metal damper torsion support inner ring wing plate (305), a hydraulic metal damper torsion support outer ring wing plate (306) and a hydraulic metal damper torsion support outward extending groove (307), a plurality of groups of metal damper components (304) are arranged between the hydraulic metal damper torsion support inner ring (301) and the hydraulic metal damper torsion support outer ring (302), the hydraulic metal damper torsion support inner ring wing plate (305) and the hydraulic metal damper torsion support outer ring wing plate (306) are respectively arranged on the hydraulic metal damper torsion support inner ring (301) and the hydraulic metal damper torsion support outer ring (302), the resettable hydraulic power interface tube (303) is connected to the resettable torsional hydraulic damper outer ring (302).
5. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 1, wherein the power transmission tower is characterized in that: the steel wire rope hanging device is characterized in that a low hanging point single-rotation rotating arm rigid rod (202) and a low hanging point rotating arm ear plate (203) are arranged above the low hanging point single-rotation rotating arm (2), the low hanging point single-rotation rotating arm (2) is connected with a steel wire rope (8) through the low hanging point rotating arm ear plate (203), the other end of the steel wire rope (8) is connected with the side end of a high hanging point support (4), and the steel wire rope (8) is arranged in two groups and is respectively arranged on two sides of the high hanging point support (4) and the low hanging point single-rotation rotating arm (2).
6. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 5, wherein the power transmission tower is characterized in that: two groups of low-hanging-point single-rotation-arm rigid rods (202) are arranged, and one end of each group of low-hanging-point single-rotation-arm rigid rods (202) penetrates through an outward extending groove (307) of a torsion support of the hydraulic metal damper.
7. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 1, wherein the power transmission tower is characterized in that: the resettable hydraulic power interface valve (9) comprises an internal circulation valve (901) with a series small hole, an external power interface valve (902) and a valve ball (903), wherein the valve ball (903) is arranged in the series small hole at the front end of the internal circulation valve (901) with the series small hole, one end of the internal circulation valve (901) with the series small hole is connected with the resettable hydraulic power interface pipe 303, and one end of the external power interface valve (902) is connected with an external power source.
8. The power transmission tower with the metal damper capable of dissipating energy and hydraulically resetting and the extending arm rising as claimed in claim 1, wherein the power transmission tower is characterized in that: the outer friction layer A (702) and the outer friction layer B (703) are respectively sleeved on the outer sides of the two groups of outer rings (302) of the hydraulic metal damper torsion support, a plurality of pressurizing salient points (704) are arranged on the outer sides of the outer friction layer A (702) and the outer friction layer B (703), and a plurality of groups of connecting rods (705), a plurality of protective sleeves (706) and a plurality of groups of elastic pieces (707) are respectively arranged in the inner connecting grooves (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906034.2A CN111877842A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower with ascending extending arm and hydraulically reset metal damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906034.2A CN111877842A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower with ascending extending arm and hydraulically reset metal damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111877842A true CN111877842A (en) | 2020-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010906034.2A Withdrawn CN111877842A (en) | 2020-09-01 | 2020-09-01 | Power transmission tower with ascending extending arm and hydraulically reset metal damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN111877842A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62172838U (en) * | 1986-04-23 | 1987-11-02 | ||
| DE4009893A1 (en) * | 1990-03-28 | 1991-10-02 | Dietrich Fette | Vibration damper for chimney - is suspended pendulum-fashion with movements restricted by retainers connected to structure |
| CN104033538A (en) * | 2014-05-19 | 2014-09-10 | 杭州电子科技大学 | Variable hydraulic damping torsion vibration reduction device |
| CN205677340U (en) * | 2016-05-19 | 2016-11-09 | 国网福建省电力有限公司 | Elastic rotation cross-arm |
| CN206128344U (en) * | 2016-09-26 | 2017-04-26 | 西京学院 | Consuming excessive quantities of energy and resources frictional type damper |
| CN110912068A (en) * | 2019-11-07 | 2020-03-24 | 国网甘肃省电力公司建设分公司 | Energy consumption hoop for reducing lightning rod wind vibration response and construction method thereof |
-
2020
- 2020-09-01 CN CN202010906034.2A patent/CN111877842A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62172838U (en) * | 1986-04-23 | 1987-11-02 | ||
| DE4009893A1 (en) * | 1990-03-28 | 1991-10-02 | Dietrich Fette | Vibration damper for chimney - is suspended pendulum-fashion with movements restricted by retainers connected to structure |
| CN104033538A (en) * | 2014-05-19 | 2014-09-10 | 杭州电子科技大学 | Variable hydraulic damping torsion vibration reduction device |
| CN205677340U (en) * | 2016-05-19 | 2016-11-09 | 国网福建省电力有限公司 | Elastic rotation cross-arm |
| CN206128344U (en) * | 2016-09-26 | 2017-04-26 | 西京学院 | Consuming excessive quantities of energy and resources frictional type damper |
| CN110912068A (en) * | 2019-11-07 | 2020-03-24 | 国网甘肃省电力公司建设分公司 | Energy consumption hoop for reducing lightning rod wind vibration response and construction method thereof |
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Application publication date: 20201103 |
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