CN113482430A - Emergency lifting type power transmission tower - Google Patents
Emergency lifting type power transmission tower Download PDFInfo
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- CN113482430A CN113482430A CN202110561442.3A CN202110561442A CN113482430A CN 113482430 A CN113482430 A CN 113482430A CN 202110561442 A CN202110561442 A CN 202110561442A CN 113482430 A CN113482430 A CN 113482430A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000009467 reduction Effects 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims description 18
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 13
- 244000309464 bull Species 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000010248 power generation Methods 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 9
- 239000000919 ceramic Substances 0.000 description 11
- 230000006698 induction Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000004083 survival effect Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 208000031074 Reinjury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- E04H12/08—Structures made of specified materials of metal
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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
- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Thermal Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electric Cable Installation (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to the technical field of power equipment, in particular to an emergency lifting type power transmission tower which comprises a base, wherein an emergency power transmission tower is fixedly arranged above the base, a plurality of groups of scissor type lifting equipment bodies used for adjusting the height of the emergency power transmission tower are arranged between the base and the emergency power transmission tower, a bottom plate is fixedly connected inside the emergency power transmission tower, two first fixing plates are symmetrically and fixedly connected to one side of the upper end of the bottom plate, a rotating mechanism used for personnel to descend is arranged between the two first fixing plates, and a stroboscopic warning lamp used for warning is fixedly arranged at the bottom of the bottom plate. According to the invention, the descending speed of the cable sleeve is slowed down through the reduction gear group, so that the safety of personnel can be ensured, the stroboscopic warning lamp is driven to emit light and flash, the buzzer is driven to make a sound, the personnel under the tower can be timely reminded, the falling personnel can be timely rescued, meanwhile, the controller which is arranged at the rear end of the connecting line and used for controlling the on-off of the high-voltage circuit is disconnected, the high-voltage electricity is disconnected, and the personnel can be further prevented from being subsequently injured.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an emergency lifting type power transmission iron tower.
Background
The transmission tower is a supporting point of an overhead line, a single-loop transmission tower is erected on the transmission tower, and a double-loop transmission tower is erected on the transmission tower. The single loop is a loop with a load provided with a power supply; the double-loop is a loop with 2 power supplies in a load.
The emergency lifting type power transmission iron tower in the prior patent (publication number: CN111236733A) comprises a bottom platform, a lifting unit, a tower body, a rope ladder and a reinforcing support rod; a traction ring used for being connected with a trailer is fixed on the left side surface or the right side surface of the bottom platform, 4 wheels are installed on the bottom platform, a plurality of foundation fixing plates are fixed on the side surface of the bottom platform, and screw rod through holes used for being fixed with pre-buried foundation fixing rods are formed in the foundation fixing plates; 3-30 lifting units are arranged on the bottom platform along the height direction, the lifting platform of the uppermost lifting unit is fixedly connected with a tower body, a cross arm is arranged on the tower body, and an insulator is arranged on the cross arm; a rope ladder is fixed on the lifting platform of each lifting unit; when the lifting unit rises, the lifting platform and the lifting platform which are adjacent up and down are fixedly connected by a plurality of reinforced support rods, and the lifting platform and the bottom platform of the lifting unit at the lowest part are fixedly connected by a plurality of reinforced support rods.
In the invention, a power transmission tower is quickly built up through a plurality of lifting units, but the power transmission tower lacks necessary protection facilities for constructors after being built up, and cannot timely lower the constructors in case of emergency, and also lacks necessary alarm equipment.
Therefore, an emergency lifting type power transmission tower is provided.
Disclosure of Invention
The invention aims to provide an emergency lifting type power transmission iron tower, wherein a rotating rod and a connecting speed reduction gear set are driven to rotate by falling of personnel, so that the falling speed of a cable sleeve can be reduced, the safe falling of the personnel is ensured, a hammer head is driven to impact a piezoelectric ceramic piece on one side of a clamping seat, then the electric quantity generated by the piezoelectric ceramic piece is supplied to a stroboscopic warning lamp to enable the stroboscopic warning lamp to emit light and flash, a conductor coil is driven to rotate in a magnetic field, a magnetic induction line between two arc-shaped magnets is continuously cut off, an induced electromotive force is further generated, then a buzzer at the bottom of a bottom plate is powered to make a sound, further personnel under the tower are timely reminded, the falling personnel are timely rescued, meanwhile, a controller used for controlling a high-voltage circuit at the rear end of a connecting line is disconnected, the high-voltage circuit is disconnected, and further the personnel are prevented from subsequent injuries, to solve the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme:
an emergency lifting type transmission tower comprises a base, wherein an emergency transmission tower is fixedly arranged above the base, a plurality of groups of scissor type lifting equipment bodies used for adjusting the height of the emergency transmission tower are arranged between the base and the emergency transmission tower, a bottom plate is fixedly connected inside the emergency transmission tower, two first fixing plates are symmetrically and fixedly connected to one side of the upper end of the bottom plate, a rotating mechanism used for personnel to descend is arranged between the two first fixing plates, a stroboscopic warning lamp used for warning is fixedly arranged at the bottom of the bottom plate, an intermittent impact mechanism matched with the rotating mechanism and used for driving the stroboscopic warning lamp to emit light is arranged at the upper end of the bottom plate, a buzzer is further fixedly arranged at the bottom of the bottom plate, a cylindrical shell is fixedly connected to the upper end of the bottom plate, and a power generation mechanism matched with the rotating mechanism is arranged inside the cylindrical shell, the upper end of the bottom plate is also fixedly connected with a second fixed disk, and a power-off mechanism matched with the rotating mechanism is arranged in the second fixed disk.
When a person at the upper end of the emergency power transmission tower is in danger, the person can fall from the upper end of the bottom plate and drive the rotating rod and the connecting speed reduction gear set to rotate, so that the falling speed of the cable sleeve can be reduced, the person can safely fall, the hammer head is driven to impact the piezoelectric ceramic piece on one side of the clamping seat, then the electric quantity generated by the piezoelectric ceramic piece can be supplied to the stroboscopic warning lamp to enable the stroboscopic warning lamp to emit light and flash, the conductor coil is driven to rotate in a magnetic field, the magnetic induction line between the two arc-shaped magnets is continuously cut off, induced electromotive force is further generated, then the buzzer at the bottom of the bottom plate is powered to make a sound, the person under the tower is timely reminded, the falling person is timely rescued, meanwhile, the controller used for controlling the high-voltage circuit at the rear end of the connecting line is disconnected, the high-voltage electricity is disconnected, and the person is prevented from being subsequently injured, the use process of the equipment is safer.
Preferably, slewing mechanism includes jointly rotates the bull stick of being connected with two first fixed disks, the outer fringe coiling of bull stick has the haulage rope, the one end of haulage rope is connected with the cable cover that is used for entangling the staff, two one side that first fixed disk is relative is equipped with the coil spring that is used for driving the haulage rope and resets respectively, the one end of bull stick runs through first fixed disk of one side and fixedly connected with reduction gear group, reduction gear group's one end fixedly connected with pivot.
After the condition of electric leakage appeared in emergent power transmission tower, personnel fall the bottom plate, and the haulage rope of cable cover upper end also can drive the bull stick and rotate simultaneously, because the rear end of bull stick is connected with reduction gear group, and then can slow down the falling speed of cable cover to guarantee personnel's safety whereabouts, improved the security of equipment.
Preferably, the intermittent type striking mechanism is including setting up in the outside carousel of pivot, one side of carousel is rotated and is connected with first guide arm, the lower extreme of first guide arm is rotated and is connected with the second guide arm, the lower extreme fixedly connected with tup of second guide arm, the upper end fixedly connected with cassette of bottom plate, one side of cassette is fixed with the piezoceramics piece, the one end of piezoceramics piece is passed through wire and stroboscopic warning light electric connection.
After reduction gear group rotates, can drive the pivot and rotate, then the pivot can drive the carousel and rotate, the carousel can drive first guide arm and second guide arm and rotate, then drive the tup and strike the piezoceramics piece of cassette one side, stroboscopic warning light can be supplied with to the electric quantity that the piezoceramics piece produced, make it luminous and flash, in time remind personnel under the tower when outdoor light is not enough, and in time the salvage is carried out to the personnel of whereabouts, personnel's survival rate has been improved.
Preferably, power generation mechanism is including setting up in the inside round cavity of cylindricality shell, the one end of pivot runs through cylindricality shell and fixedly connected with friction disc, the outer fringe of pivot is in the inside fixedly connected with coil in round cavity, two arc magnets of the inside symmetry fixedly connected with in round cavity, the both ends difference fixedly connected with commutator of coil, two brushes of one side symmetry fixedly connected with of cylindricality shell, two the one end of brush is all through wire and bee calling organ electric connection.
After the rotating shaft rotates, the conductor coil can be driven to rotate in a magnetic field, magnetic induction lines between the two arc magnets are cut continuously, induced electromotive force is generated, then the buzzer at the bottom of the bottom plate is powered, the buzzer makes sound, personnel under the tower are reminded in time, the falling personnel are rescued in time, and the survival rate of the personnel is further improved.
Preferably, outage mechanism is including setting up in the drum of second fixed disk one side, one side fixedly connected with friction plate of drum, smooth chamber has been seted up to the inside of drum, the inside sliding connection in smooth chamber has the slide, one side of slide is connected with a lateral wall in smooth chamber through two sets of spiral winding's memory wire, two conductor heads of another lateral wall symmetry fixedly connected with in smooth chamber, the opposite side symmetry of drum is equipped with two sets of connecting wires, and is two sets of the one end of connecting wire all with the controller electric connection who is used for controlling the high voltage circuit break-make, and is two sets of the other end of connecting wire respectively with two conductor head electric connection.
After the pivot rotates, can drive the friction disc and rotate, then rub each other with the outside friction plate of drum, and then carry out rapid heating to a lateral wall of drum, the memory wire that lies in smooth intracavity portion will be heated afterwards and take place deformation and shrink, and then promote slide and touch panel and remove, make disconnection between two conductor heads, and then the controller that is used for controlling the break-make of high tension circuit of disconnection connecting wire rear end, with the high-tension electricity disconnection, and then avoid personnel to receive follow-up injury, alleviate the misery that constructor received.
Preferably, the memory metal wire is made of nickel titanium alloy.
The nickel-titanium alloy can automatically restore the plastic deformation of the nickel-titanium alloy into a special alloy with an original shape at a certain specific temperature, the expansion rate of the nickel-titanium alloy is more than 20%, the fatigue life of the nickel-titanium alloy reaches 7 times of 1 x 10, the damping characteristic of the nickel-titanium alloy is 10 times higher than that of a common spring, and when the temperature reaches the transformation temperature of the memory metal wire, the memory metal wire can be quickly deformed, so that the high-voltage electricity can be timely disconnected.
Compared with the prior art, the invention has the beneficial effects that:
1. personnel will ask for the ways to overlap in the armpit, it rises to drive emergent transmission tower through cutting formula jacking equipment body, then personnel carry out construction operation in emergent transmission tower inside bottom plate upper end, after the condition of electric leakage appears in emergent transmission tower, if personnel know consciously, can jump out the bottom plate voluntarily, if do not have the consciousness, also can fall the bottom plate passively, the haulage rope of simultaneously asking for the ways upper end also can drive the bull stick and rotate, because the rear end of bull stick is connected with reduction gear set, and then can slow down the falling speed of asking for the ways, in order to guarantee personnel's safety whereabouts.
2. After reduction gear group rotates, can drive the pivot and rotate, then the pivot can drive the carousel and rotate, the carousel can drive first guide arm and second guide arm and rotate, then drive the tup and strike the piezoceramics piece of cassette one side, stroboscopic warning light can be supplied with to the electric quantity that the piezoceramics piece produced, makes it luminous and flash, in time reminds the personnel under the tower when outdoor light is not enough to in time the salvage is carried out to the personnel of whereabouts.
3. After the rotating shaft rotates, the conductor coil can be driven to rotate in a magnetic field, magnetic induction lines between the two arc magnets are cut continuously, induced electromotive force is generated, then the buzzer at the bottom of the bottom plate is powered, the buzzer makes sound, personnel under the tower are reminded in time, and the personnel falling down are rescued in time.
4. After the rotating shaft rotates, the friction plate can be driven to rotate, then the friction plate and the friction plate outside the cylinder rub each other, and then a side wall of the cylinder is rapidly heated, then the memory metal wire located inside the sliding cavity is heated to deform and contract, and then the sliding plate and the contact plate are pushed to move, so that the two conductor heads are disconnected, and then the controller used for controlling the on-off of the high-voltage circuit at the rear end of the disconnection connecting wire is used for disconnecting the high-voltage circuit, and further personnel are prevented from being injured subsequently.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A of the present invention;
FIG. 3 is an enlarged view of the structure of the present invention at B;
FIG. 4 is an enlarged view of the structure at C of the present invention;
FIG. 5 is a view showing the inner structure of the cylindrical shell according to the present invention;
FIG. 6 is a view showing the inner structure of the cylinder according to the present invention;
fig. 7 is a schematic view of the intermittent striking mechanism of the present invention.
In the figure: 1. a base; 2. a scissor lift device body; 3. an emergency power transmission tower; 4. a base plate; 5. a first fixed disk; 6. a rotating rod; 7. a hauling rope; 8. a cable cover; 9. a reduction gear set; 10. a coil spring; 11. a rotating shaft; 12. a turntable; 13. a first guide bar; 14. a second guide bar; 15. a hammer head; 16. a card holder; 17. piezoelectric ceramic plates; 18. a cylindrical shell; 19. an arc-shaped magnet; 20. a coil; 21. a commutator; 22. an electric brush; 23. a friction plate; 24. a friction plate; 25. a second fixed disk; 26. a cylinder; 27. a slide chamber; 28. a slide plate; 29. a touch panel; 30. a conductor head; 31. a memory wire; 32. a buzzer; 33. stroboscopic warning light.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the present invention provides an emergency lifting type power transmission tower, which has the following technical scheme:
an emergency lifting type power transmission tower comprises a base 1, an emergency power transmission tower 3 is fixedly mounted above the base 1, a plurality of groups of scissor type lifting equipment bodies 2 used for adjusting the height of the emergency power transmission tower 3 are mounted between the base 1 and the emergency power transmission tower 3, a bottom plate 4 is fixedly connected inside the emergency power transmission tower 3, two first fixing plates 5 are symmetrically and fixedly connected to one side of the upper end of the bottom plate 4, a rotating mechanism used for personnel to descend is arranged between the two first fixing plates 5, a stroboscopic warning lamp 33 used for warning is fixedly mounted at the bottom of the bottom plate 4, an intermittent impact mechanism matched with the rotating mechanism and used for driving the stroboscopic warning lamp 33 to emit light is arranged at the upper end of the bottom plate 4, a buzzer 32 is also fixedly mounted at the bottom of the bottom plate 4, a cylindrical shell 18 is fixedly connected at the upper end of the bottom plate 4, and a power generation mechanism matched with the rotating mechanism is arranged inside the cylindrical shell 18, the upper end of the bottom plate 4 is also fixedly connected with a second fixed disk 25, and a power-off mechanism matched with the rotating mechanism is arranged in the second fixed disk 25.
When a worker works, the cable sleeve 8 is sleeved on the body and fixed, if the worker is in danger and falls off from the upper end of the bottom plate 4, the cable sleeve 8 can drive the rotating rod 6 and the reduction gear set 9 to rotate, so that the falling speed of the cable sleeve 8 can be reduced, the safe falling of the worker is ensured, the hammer head 15 is driven to impact the piezoelectric ceramic plate 17 on one side of the clamping seat 16, then the electric quantity generated by the piezoelectric ceramic plate 17 can be supplied to the stroboscopic warning lamp 33, the electric quantity enables the stroboscopic warning lamp to emit light and flash, the conductor coil 20 is driven to rotate in a magnetic field, the magnetic induction line between the two arc magnets 19 is continuously cut, the induced electromotive force is generated, then the buzzer 32 at the bottom of the bottom plate 4 is powered to make the buzzer 32 emit sound, the personnel under the tower is timely reminded, the falling personnel is timely rescued, and the controller used for controlling the on-off of the high-off circuit at the rear end of the connecting line is disconnected simultaneously, the high-voltage power supply is disconnected, so that the personnel are prevented from being injured subsequently, and the use process of the equipment is safer.
Referring to fig. 1-2, as an embodiment of the present invention, the rotating mechanism includes a rotating rod 6 rotatably connected to two first fixing disks 5 together, a pulling rope 7 is wound around an outer edge of the rotating rod 6, one end of the pulling rope 7 is connected to a cable sleeve 8 for sleeving a worker, coil springs 10 for driving the pulling rope 7 to return are respectively disposed on opposite sides of the two first fixing disks 5, one end of the rotating rod 6 penetrates through one first fixing disk 5 and is fixedly connected to a reduction gear set 9, and one end of the reduction gear set 9 is fixedly connected to a rotating shaft 11.
When the staff falls lower plate 4, haulage rope 7 of 8 upper ends of cable cover also can drive bull stick 6 and rotate, because the rear end of bull stick 6 is connected with reduction gear 9, and then can slow down the falling speed of cable cover 8 to guarantee personnel's safety whereabouts, improved the security of equipment.
Referring to fig. 2 and 7, the intermittent impact mechanism includes a rotating disc 12 disposed outside a rotating shaft 11, a first guide rod 13 is rotatably connected to one side of the rotating disc 12, a second guide rod 14 is rotatably connected to a lower end of the first guide rod 13, a hammer 15 is fixedly connected to a lower end of the second guide rod 14, a clamping seat 16 is fixedly connected to an upper end of the base plate 4, a piezoelectric ceramic plate 17 is fixed to one side of the clamping seat 16, and one end of the piezoelectric ceramic plate 17 is electrically connected to a stroboscopic warning light 33 through a lead.
After reduction gear 9 rotates, can drive pivot 11 and rotate, then pivot 11 can drive carousel 12 and rotate, carousel 12 can drive first guide arm 13 and second guide arm 14 and rotate, then drive tup 15 and strike the piezoceramics piece 17 of cassette 16 one side, then stroboscopic warning light 33 can be supplied with to the electric quantity that piezoceramics piece 17 produced, make it luminous and scintillation, personnel in time remind under the tower when outdoor light is not enough, and in time salvage the personnel of whereabouts, personnel's survival rate has been improved.
Referring to fig. 3 and 5, as an embodiment of the present invention, the power generation mechanism includes a circular cavity disposed inside a cylindrical shell 18, one end of a rotating shaft 11 penetrates through the cylindrical shell 18 and is fixedly connected with a friction plate 23, a coil 20 is fixedly connected to the outer edge of the rotating shaft 11 inside the circular cavity, two arc magnets 19 are symmetrically and fixedly connected inside the circular cavity, two ends of the coil 20 are respectively and fixedly connected with a commutator 21, two brushes 22 are symmetrically and fixedly connected to one side of the cylindrical shell 18, and one ends of the two brushes 22 are electrically connected with a buzzer 32 through a conducting wire.
After the rotating shaft 11 rotates, the conductor coil 20 can be driven to rotate in a magnetic field, magnetic induction lines between the two arc magnets 19 are cut continuously, induced electromotive force is generated, then the buzzer 32 at the bottom of the bottom plate 4 is powered, sound is made to be emitted, personnel under the tower are reminded in time, falling personnel are rescued in time, and the survival rate of the personnel is further improved.
Referring to fig. 3 and 6, as an embodiment of the present invention, the power-off mechanism includes a cylinder 26 disposed on one side of a second fixed disk 25, a friction plate 24 is fixedly connected to one side of the cylinder 26, a sliding cavity 27 is disposed inside the cylinder 26, a sliding plate 28 is slidably connected inside the sliding cavity 27, one side of the sliding plate 28 is connected to one side wall of the sliding cavity 27 through two sets of spirally wound memory metal wires 31, two conductor heads 30 are symmetrically and fixedly connected to the other side wall of the sliding cavity 27, two sets of connection wires are symmetrically disposed on the other side of the cylinder 26, one ends of the two sets of connection wires are electrically connected to a controller for controlling on/off of a high-voltage circuit, and the other ends of the two sets of connection wires are electrically connected to the two conductor heads 30, respectively.
After the rotating shaft 11 rotates, the friction plate 23 can be driven to rotate, and then the friction plate 23 and the friction plate 24 outside the cylinder 26 rub against each other, so that a side wall of the cylinder 26 is rapidly heated, then the memory metal wire 31 inside the sliding cavity 27 is heated to deform and contract, and then the sliding plate 28 and the contact plate 29 are pushed to move, so that the two conductor heads 30 are disconnected, and then the controller for controlling the on-off of the high-voltage circuit at the rear end of the disconnection connection line is disconnected, so that the high-voltage electricity is disconnected, further, personnel are prevented from being subsequently injured, and the pain of the constructor is relieved.
Referring to fig. 3 and 6, a memory wire 31 is made of a nickel-titanium alloy.
The nickel-titanium alloy can automatically restore the plastic deformation of the nickel-titanium alloy into a special alloy with an original shape at a certain specific temperature, the expansion rate of the nickel-titanium alloy is more than 20%, the fatigue life of the nickel-titanium alloy reaches 7 times of 1 x 10, the damping characteristic of the nickel-titanium alloy is 10 times higher than that of a common spring, and when the temperature reaches the transformation temperature of the memory metal wire 31, the memory metal wire 31 can be quickly deformed, so that the high-voltage electricity can be timely disconnected.
The working principle is as follows: a person sleeves a cable sleeve 8 under the armpit, the emergency transmission tower 3 is driven to ascend through a scissor type lifting device body 2, then the person conducts construction operation at the upper end of a bottom plate 4 inside the emergency transmission tower 3, after the emergency transmission tower 3 leaks electricity, if the person consciously knows the electricity, the person can jump out of the bottom plate 4 actively, if no consciousness exists, the person can fall down the bottom plate 4 passively, meanwhile, a traction rope 7 at the upper end of the cable sleeve 8 can drive a rotating rod 6 to rotate, the descending speed of the cable sleeve 8 can be reduced due to the fact that a speed reduction gear set 9 is connected to the rear end of the rotating rod 6, the person can fall down safely, after the speed reduction gear set 9 rotates, a rotating shaft 11 can be driven to rotate, then the rotating shaft 11 can drive a rotating disc 12 to rotate, the rotating disc 12 can drive a first guide rod 13 and a second guide rod 14 to rotate, and then a hammer head 15 is driven to impact a piezoelectric ceramic plate 17 on one side of a clamping seat 16, then the electric quantity generated by the piezoelectric ceramic plate 17 is supplied to the stroboscopic warning lamp 33 to make it emit light and flash, when the outdoor light is insufficient, people under the tower can be reminded in time, and the falling people can be rescued in time, after the rotating shaft 11 rotates, the conductor coil 20 can be driven to rotate in the magnetic field, and the magnetic induction line between the two arc-shaped magnets 19 is continuously cut off, so that induced electromotive force is generated, then the buzzer 32 at the bottom of the bottom plate 4 is powered to make it sound, so as to remind the people under the tower in time, and the falling people can be rescued in time, after the rotating shaft 11 rotates, the friction plate 23 can be driven to rotate, and then the friction plate 23 outside the cylinder 26 can rub against each other, so as to heat a side wall of the cylinder 26 quickly, then the memory metal wire 31 inside the sliding cavity 27 can be heated to deform and contract, so as to push the sliding plate 28 and the touch plate 29 to move, make disconnection between two conductor heads 30, and then the controller that is used for controlling the break-make of high voltage circuit of disconnection connecting wire rear end breaks off the high tension electricity, and then avoids personnel to receive follow-up injury.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an emergent over-and-under type steel pylons, includes base (1), its characterized in that: the emergency power transmission tower is characterized in that an emergency power transmission tower (3) is fixedly mounted above the base (1), a plurality of groups of scissor type lifting equipment bodies (2) used for adjusting the height of the emergency power transmission tower (3) are mounted between the base (1) and the emergency power transmission tower (3), a bottom plate (4) is fixedly connected inside the emergency power transmission tower (3), two first fixing plates (5) are symmetrically and fixedly connected to one side of the upper end of the bottom plate (4), a rotating mechanism used for descending personnel is arranged between the two first fixing plates (5), a stroboscopic warning lamp (33) used for warning is fixedly mounted at the bottom of the bottom plate (4), an intermittent impact mechanism matched with the stroboscopic rotating mechanism and used for driving the stroboscopic warning lamp (33) to emit light is arranged at the upper end of the bottom plate (4), a buzzer (32) is fixedly mounted at the bottom of the bottom plate (4), and a cylindrical shell (18) is fixedly connected to the upper end of the bottom plate (4), the inside of cylindricality shell (18) is equipped with the power generation mechanism with slewing mechanism complex, the upper end of bottom plate (4) still fixedly connected with second fixed disk (25), the inside of second fixed disk (25) is equipped with the outage mechanism with slewing mechanism complex.
2. An emergency elevating power transmission tower according to claim 1, wherein: slewing mechanism includes that common and two first fixed disks (5) rotate bull stick (6) of being connected, the outer fringe coiling of bull stick (6) has haulage rope (7), the one end of haulage rope (7) is connected with cable cover (8) that are used for entangling the staff, two one side that first fixed disk (5) are relative is equipped with coil spring (10) that are used for driving haulage rope (7) and reset respectively, the one end of bull stick (6) runs through first fixed disk (5) of one side and fixedly connected with reduction gear group (9), the one end fixedly connected with pivot (11) of reduction gear group (9).
3. An emergency elevating power transmission tower according to claim 2, wherein: intermittent type striking mechanism is including setting up in outside carousel (12) of pivot (11), one side of carousel (12) is rotated and is connected with first guide arm (13), the lower extreme of first guide arm (13) is rotated and is connected with second guide arm (14), lower extreme fixedly connected with tup (15) of second guide arm (14), the upper end fixedly connected with cassette (16) of bottom plate (4), one side of cassette (16) is fixed with piezoceramics piece (17), wire and stroboscopic warning light (33) electric connection are passed through to the one end of piezoceramics piece (17).
4. An emergency elevating power transmission tower according to claim 2, wherein: the power generation mechanism is including setting up in the inside round cavity of cylindricality shell (18), the one end of pivot (11) runs through cylindricality shell (18) and fixedly connected with friction disc (23), the outer fringe of pivot (11) is in inside fixedly connected with coil (20) in round cavity, two arc magnet (19) of the inside symmetry fixedly connected with in round cavity, fixedly connected with commutator (21) are distinguished at the both ends of coil (20), two brushes (22), two of the one side symmetry fixedly connected with of cylindricality shell (18) the one end of brush (22) is all through wire and bee calling organ (32) electric connection.
5. The emergency lifting power transmission tower of claim 4, wherein: the outage mechanism is including setting up in drum (26) of second fixed disk (25) one side, one side fixedly connected with friction plate (24) of drum (26), smooth chamber (27) have been seted up to the inside of drum (26), the inside sliding connection of smooth chamber (27) has slide (28), one side of slide (28) is connected with a lateral wall of smooth chamber (27) through two sets of spiral winding's memory wire (31), two conductor head (30) of another lateral wall symmetry fixedly connected with of smooth chamber (27), the opposite side symmetry of drum (26) is equipped with two sets of connecting wires, and is two sets of the one end of connecting wire all with the controller electric connection who is used for controlling the high voltage circuit break-make, and is two sets of the other end of connecting wire respectively with two conductor head (30) electric connection.
6. An emergency elevating power transmission tower according to claim 1, wherein: the memory metal wire (31) is made of nickel-titanium alloy.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114197937A (en) * | 2021-12-15 | 2022-03-18 | 孙长宇 | Weather-resistant steel transmission tower |
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