CN112827091B - Automatic control emergency stop rope pulley for forest rescue - Google Patents
Automatic control emergency stop rope pulley for forest rescue Download PDFInfo
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- CN112827091B CN112827091B CN202110096296.1A CN202110096296A CN112827091B CN 112827091 B CN112827091 B CN 112827091B CN 202110096296 A CN202110096296 A CN 202110096296A CN 112827091 B CN112827091 B CN 112827091B
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- 239000007788 liquid Substances 0.000 claims abstract description 38
- 230000005389 magnetism Effects 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
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- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Public Health (AREA)
- Braking Arrangements (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to the technical field of forest rescue equipment, and discloses an automatic control emergency stop rope pulley for forest rescue, which comprises a rotating part, wherein permanent magnets are fixedly connected to two sides of the rotating part, a limiting groove is formed in the rotating part, a rotating shaft is sleeved in the rotating part, control grooves are formed in the top and the bottom of the rotating shaft, a first spring is fixedly connected to the inner side of each control groove, a control block is fixedly connected to the outer side of each spring, and a magnetic block is fixedly connected to the inner side of each control block. This automatic control scram rope pulley for forest rescue, through mutually supporting of electro-magnet and magnetic path, when the electro-magnet circular telegram, make the control block overcome inside spring elastic force effect gets into the spacing groove, realize the joint to 1, the piece is touched with the electrical contact ring to the start block simultaneously, the circular telegram of electrode post makes the current variant of liquid intracavity portion become solid-state by liquid, has realized the locking to the dead lever, thereby make the rotating part stop rotatory, and make the product stop the removal on the rope, the function of having realized the scram.
Description
Technical Field
The invention relates to the technical field of forest rescue equipment, in particular to an automatic control emergency stop rope pulley for forest rescue.
Background
Forest fire, which is the most dangerous enemy of the forest and the most terrible disaster of the forest, can bring the most harmful and destructive consequences to the forest, causing great forest resource loss and global environmental pollution, in the process of forest rescue, ropes and pulleys are often needed to be used to realize the rapid movement of rescuers near the fire scene, and in the moving process, the conditions of personnel collision and speed exceeding the safety range can often occur, causing personnel casualties and being unfavorable for users to use.
The in-process that removes is carried out to rope and pulley at the rescue personnel, utilizes the gravitational potential energy of rescue personnel itself, becomes kinetic energy at the in-process transition that descends, realizes the removal on the rope, and because the difference in height between the rope is fixed is different, can lead to the speed of removal too fast and uncontrollable, and the in-process that rises and falls perpendicularly simultaneously can appear the pulley inefficacy of locking and make the condition that personnel fall, can not satisfy user's user demand.
We have therefore proposed an automatically controlled emergency stop rope sheave for forest rescue to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic control emergency stop rope pulley for forest rescue, which has the advantages of automatic control and emergency stop and solves the problem that the common pulley cannot automatically control the emergency stop.
(II) technical scheme
In order to realize the purposes of automatic control and emergency stop, the invention provides the following technical scheme: the utility model provides a forest rescue is with automatic control scram rope pulley, including the rotating part, rotating part both sides fixedly connected with permanent magnet, the spacing groove has been seted up to the rotating part inside, the pivot has been cup jointed in the rotating part inside, the control groove has all been seted up to pivot top and bottom, the inboard fixedly connected with spring I of control groove, the inside fixedly connected with magnetic path of spring one outside fixedly connected with control block, the inside fixedly connected with magnetic path of control block, the inboard fixedly connected with dead lever of control block, the start-up groove has all been seted up to the control groove both sides, start-up inslot side fixedly connected with spring II, the two outside fixedly connected with start-up pieces of spring, the inside fixedly connected with electric touch ring of spring II, the inside liquid chamber that has been seted up of pivot, liquid chamber both sides fixedly connected with electrode post, the inboard fixed cover of dead lever has connect the carriage release lever, pivot both sides fixedly connected with wire group, pivot both sides fixedly connected with piezo-sensitive resistor, the equal fixedly connected with electro-magnet in pivot top and bottom.
Preferably, the rotating part is metal material, and the shape of rotating part is the cylinder, and the mounting groove has been seted up to the inside of cylinder, and the spout with rope looks adaptation is seted up to the cylinder surface, and the spout surface is provided with the decorative pattern, is convenient for be connected between rotating part and the pivot, makes the cooperation between product and rope inseparable, prevents the condition of skidding to appear between product and rope, has reduced the wearing and tearing of product, has prolonged the life of product, has guaranteed the safety in utilization.
Preferably, the number of the permanent magnets is two, the two permanent magnets are symmetrically arranged, opposite surfaces of the two permanent magnets are opposite in magnetism, when the permanent magnets rotate along with the rotating portion, the conducting wire group cuts magnetic induction lines formed between the two permanent magnets to move, so that current and voltage are generated, when the rotating speed of the rotating portion exceeds a rated rotating speed, the generated voltage reaches the working voltage of the piezoresistor, the piezoresistor is electrified to work, and an internal circuit is controlled to be electrified.
Preferably, the pivot is metal material, and the diameter of pivot is less than the diameter of mounting groove in the rotating part, has strengthened the intensity of pivot, and the installation of the pivot of being convenient for and rotating part has reduced the frictional resistance between pivot and rotating part to the wearing and tearing of pivot have been delayed, are favorable to the use of product.
Preferably, the arc length of the control block is smaller than that of the limiting groove, the height of the control block is larger than that of the limiting groove, the control block is made of metal materials, the control block can conveniently stretch into the limiting groove and lock the limiting groove, therefore, the rotation of the limiting groove is stopped, the movement of a product is prevented, and the function of automatically controlling the emergency stop is achieved.
Preferably, the fixed rod comprises a rod body and a locking block body, a through hole matched with the movable rod is formed in the fixed rod, a sealing check ring is arranged on the inner side of the through hole, the fixed rod and the movable rod can move conveniently, the current variant in the liquid cavity is prevented from permeating into a gap between the fixed rod and the movable rod, normal use of a product is guaranteed, and the current variant in the liquid cavity is kept unchanged in hydraulic pressure.
Preferably, the diameter of the starting block is smaller than that of the starting groove, the starting block comprises a movable block body and an electric contact, frictional resistance between the starting block and the starting groove is reduced, the starting block can move in the starting groove conveniently, and when the starting block is in contact with the electric contact ring, the electrode column is controlled to be electrified, so that an electrorheological body in the liquid cavity is changed into a solid state from a liquid state, and a locking function of the fixing rod is achieved.
Preferably, the interior of the liquid cavity is filled with an electrorheological fluid, the electrorheological fluid comprises base liquid, solid particles and an additive, the diameter of the liquid cavity is larger than the length of a locking block in the fixing rod, when the electrode column is not electrified, the electrorheological fluid is in a liquid state, the fixing rod can move in the liquid cavity, when the electrode column is electrified, the electrorheological fluid is in a solid state, the position of the fixing rod is locked, and relative displacement cannot occur, so that the locking function of the fixing rod is realized.
Preferably, the electromagnet comprises a magnetic flux body, a surrounding coil and a control assembly, opposite faces of the electromagnet and the magnetic block are same in magnetism, when the electromagnet is electrified, the electromagnet generates a magnetic field, the electromagnet and the magnetic block are mutually repelled due to the fact that the opposite faces are same in magnetism, the control block is driven to overcome the action of elastic force of the spring to be outwards popped out and enter the limiting groove to achieve clamping, the rotating part stops rotating under the action of the control block, the product stops moving on the rope, and the function of automatic control emergency stop is achieved.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic control emergency stop rope pulley for forest rescue, which has the following beneficial effects:
1. this automatic control scram rope pulley for forest rescue, through mutually supporting of electro-magnet and magnetic path, when the electro-magnet circular telegram, make the control block overcome inside spring elastic force effect gets into the spacing groove, realize the joint to 1, the piece is touched with the electrical contact ring to the start block simultaneously, the circular telegram of electrode post makes the current variant of liquid intracavity portion become solid-state by liquid, has realized the locking to the dead lever, thereby make the rotating part stop rotatory, and make the product stop the removal on the rope, the function of having realized the scram.
2. This automatic control scram rope pulley for forest rescue, through mutually supporting of permanent magnet and wire group, when the rotating part rotation speed exceeded safety range, the current that produces because of cutting magnetic induction line in the wire group and voltage reached piezo-resistor's operating voltage to make piezo-resistor control internal circuit, realize the control block to the joint of rotating part, stop the rotation of rotating part, make the product stop the removal on the rope, realized automatic control's function.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a left side view of a rotary portion of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of part B of FIG. 1 according to the present invention.
In the figure: 1. a rotating part; 2. a permanent magnet; 3. a limiting groove; 4. a rotating shaft; 5. a control slot; 6. a first spring; 7. a control block; 8. a magnetic block; 9. a fixing rod; 10. starting a groove; 11. a second spring; 12. a start block; 13. an electrical contact ring; 14. a liquid chamber; 15. an electrode column; 16. a travel bar; 17. a wire group; 18. a voltage dependent resistor; 19. an electromagnet.
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. 1-4, an automatic control emergency stop rope pulley for forest rescue comprises a rotating part 1, wherein the rotating part 1 is made of metal material, the rotating part 1 is shaped as a cylinder, a mounting groove is formed in the cylinder, a sliding groove matched with a rope is formed in the outer surface of the cylinder, patterns are formed in the surface of the sliding groove, the rotating part 1 is conveniently connected with a rotating shaft 4, so that a product is tightly matched with the rope, the slipping between the product and the rope is prevented, the abrasion of the product is reduced, the service life of the product is prolonged, the use safety is ensured, permanent magnets 2 are fixedly connected to two sides of the rotating part 1, the number of the permanent magnets 2 is two, the two permanent magnets 2 are symmetrically arranged, the opposite surfaces of the two permanent magnets 2 are opposite in magnetism, when the permanent magnets 2 rotate along with the rotating part 1, a lead group 17 cuts a magnetic induction line formed between the two permanent magnets 2, thereby produce electric current and voltage, when the rotation rate of rotating part 1 exceeded rated revolution, the voltage of production reached 18 operating voltage of piezo-resistor, 18 circular telegram work of piezo-resistor, control internal circuit circular telegram, limiting groove 3 has been seted up to rotating part 1 is inside, rotating part 1 is inside to have cup jointed pivot 4, pivot 4 is metal material, the diameter of pivot 4 is less than the diameter of mounting groove in the rotating part 1, the intensity of pivot 4 has been strengthened, be convenient for pivot 4 and rotating part 1's installation, the frictional resistance between pivot 4 and rotating part 1 has been reduced, thereby the wearing and tearing of pivot 4 have been delayed, be favorable to the use of product.
The top and the bottom of the rotating shaft 4 are both provided with a control groove 5, the inner side of the control groove 5 is fixedly connected with a spring I6, the outer side of the spring I6 is fixedly connected with a control block 7, the arc length of the control block 7 is smaller than the arc length of the limiting groove 3, the height of the control block 7 is larger than the height of the limiting groove 3, the control block 7 is made of metal materials, the control block 7 can conveniently extend into the limiting groove 3 and lock the limiting groove 3, so that the rotation of the limiting groove 3 is stopped, the movement of a product is prevented, and the function of automatically controlling the emergency stop is realized, the inner side of the control block 7 is fixedly connected with a magnetic block 8, the inner side of the control block 7 is fixedly connected with a fixed rod 9, the fixed rod 9 comprises a rod body and a locking block body, the inner part of the fixed rod 9 is provided with a through hole matched with the moving rod 16, the inner side of the through hole is provided with a sealing retaining ring, the movement between the fixed rod 9 and the moving rod 16 is convenient, and the infiltration of an electrorheological body in the gap between the fixed rod 9 and the moving rod 16 in the liquid cavity 14 is prevented, the normal use of the product is guaranteed, make the electrorheological fluids hydraulic pressure in the liquid chamber 14 keep unchanged, starting tank 10 has all been seted up to control groove 5 both sides, starting tank 10 inboard fixedly connected with spring two 11, spring two 11 outside fixedly connected with start block 12, the diameter of start block 12 is less than the diameter of start tank 10, start block 12 is including removing block and electrical contact, reduce the frictional resistance between start block 12 and start tank 10, be convenient for start block 12 the removal in start tank 10, when start block 12 and electrical contact ring 13 contact, control electrode post 15 circular telegram, thereby make the electrorheological fluids in the liquid chamber 14 become solid-state by liquid, realize the locking function to dead lever 9.
The inside of the second spring 11 is fixedly connected with an electric contact ring 13, a liquid cavity 14 is formed in the rotating shaft 4, the inside of the liquid cavity 14 is filled with an electrorheological fluid, the electrorheological fluid comprises base liquid, solid particles and an additive, the diameter of the liquid cavity 14 is larger than the length of a locking block in the fixing rod 9, when the electrode column 15 is not electrified, the electrorheological fluid is in a liquid state, the fixing rod 9 can move in the liquid cavity 14, when the electrode column 15 is electrified, the electrorheological fluid is in a solid state, the position of the fixing rod 9 is locked and cannot relatively displace, so that the locking function of the fixing rod 9 is realized, the electrode columns 15 are fixedly connected to the two sides of the liquid cavity 14, a moving rod 16 is fixedly sleeved on the inner side of the fixing rod 9, wire groups 17 are fixedly connected to the two sides of the rotating shaft 4, piezoresistors 18 are fixedly connected to the two sides of the rotating shaft 4, electromagnets 19 are fixedly connected to the top and the bottom of the rotating shaft 4, and the electromagnets 19 comprise magnetic conductive bodies, The surrounding coil and the control assembly are arranged, the opposite faces of the electromagnet 19 and the magnetic block 8 are same in magnetism, when the electromagnet 19 is powered on, the electromagnet 19 generates a magnetic field, the electromagnet 19 and the magnetic block 8 are mutually repelled due to the fact that the opposite faces are same in magnetism, the control block 7 is driven to overcome the elastic action of the first spring 6 and outwards eject and enter the limiting groove 3 to achieve clamping, the rotating part 1 stops rotating under the action of the control block 7, the movement of a product on a rope is stopped, and the function of automatic control emergency stop is achieved.
The working principle is as follows: when a product works normally, the piezoresistor 18 does not work, the electromagnet 19 is not electrified, the control block 7 is completely stored in the control groove 5 under the action of the spring I6, the starting block 12 is extruded by the control block 7 to overcome the elasticity of the spring II 11 and be completely stored in the starting groove 10, the electrode column 15 is not electrified, the current variation in the liquid cavity 14 is in a liquid state, when the product speed exceeds a safety range, the rotating speed of the rotating part 1 is too high, the speed of the wire group 17 for cutting the magnetic induction wire generated by the permanent magnet 2 is too high, the current and the voltage generated in the wire group 17 exceed a rated range, the piezoresistor 18 is electrified to work, the electromagnet 19 is controlled to be electrified, the electromagnet 19 generates a magnetic field, the electromagnet 19 and the magnet block 8 repel each other due to the same magnetism of opposite surfaces, the control block 7 is driven to overcome the elasticity of the spring I6 to move outwards, the control block 7 enters the limiting groove 3 to realize clamping connection, thereby the rotating part 1 stops rotating, and simultaneously the starting block 12 moves outwards under the action of the elastic force of the second spring 11 along with the moving-out of the limiting groove 3;
the starting block 12 is in contact with the electric contact ring 13, the electrode pole 15 is controlled to be electrified, the current variant in the liquid cavity 14 is changed from a liquid state to a solid state, the relative movement of the fixing rod 9 is prevented, the locking function of the control block 7 is realized, at the moment, the rotating part 1 and the rotating shaft 4 are relatively fixed, the rotating part 1 stops rotating, the product stops moving on a rope, the automatic control emergency stop function is realized, when the product needs to move again, the reset button is pressed, an internal circuit is cut off, the current variant in the liquid cavity 14 is changed from a solid state to a liquid state, the control block 7 resets under the action of the elastic force of the first spring 6, the starting block 12 is driven to reset, and the cyclic use of the product is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 a forest rescue is with automatic control scram rope pulley, includes rotating part (1), its characterized in that: the permanent magnet rotor is characterized in that permanent magnets (2) are fixedly connected to two sides of the rotating part (1), a limiting groove (3) is formed in the rotating part (1), a rotating shaft (4) is sleeved in the rotating part (1), control grooves (5) are formed in the top and the bottom of the rotating shaft (4), a first spring (6) is fixedly connected to the inner side of each control groove (5), a control block (7) is fixedly connected to the outer side of the first spring (6), a magnetic block (8) is fixedly connected to the inner side of the control block (7), a fixing rod (9) is fixedly connected to the inner side of each control groove (5), starting grooves (10) are formed in two sides of each control groove (5), a second spring (11) is fixedly connected to the inner side of each starting groove (10), a starting block (12) is fixedly connected to the outer side of the second spring (11), an electric contact ring (13) is fixedly connected to the inner portion of the second spring (11), a liquid cavity (14) is formed in the rotating shaft (4), and electrode columns (15) are fixedly connected to two sides of the liquid cavity (14), a moving rod (16) is fixedly sleeved on the inner side of the fixed rod (9), wire groups (17) are fixedly connected to two sides of the rotating shaft (4), piezoresistors (18) are fixedly connected to two sides of the rotating shaft (4), and electromagnets (19) are fixedly connected to the top and the bottom of the rotating shaft (4);
rotating part (1) is metal material, pivot (4) are metal material, the quantity of permanent magnet (2) is two, and two permanent magnet (2) symmetry settings each other, and the opposite face magnetism of two permanent magnets (2) is opposite, the arc length of control block (7) is less than the arc length of spacing groove (3), and the height that highly is greater than spacing groove (3) of control block (7) is metal material, liquid chamber (14) inside is full of current variant, and current variant includes basic liquid, solid particle and additive, electro-magnet (19) include the magnetic current body, encircle coil and control assembly, and electro-magnet (19) are the same with the opposite face magnetism of magnetic path (8).
2. An automatically controlled emergency stop rope sheave for forest rescue according to claim 1 characterised in that: the shape of rotating part (1) is the cylinder, and the mounting groove has been seted up to the inside of cylinder, the cylinder surface seted up with the spout of rope looks adaptation, the spout surface is provided with the decorative pattern.
3. An automatically controlled emergency stop rope sheave for forest rescue according to claim 2, characterised in that: the diameter of the rotating shaft (4) is smaller than that of the installation groove in the rotating part (1).
4. An automatically controlled emergency stop rope pulley for forest rescue according to claim 1 wherein: the fixing rod (9) comprises a rod body and a locking block body, a through hole matched with the moving rod (16) is formed in the fixing rod (9), and a sealing check ring is arranged on the inner side of the through hole.
5. An automatically controlled emergency stop rope sheave for forest rescue according to claim 1 characterised in that: the diameter of the starting block (12) is smaller than that of the starting groove (10), and the starting block (12) comprises a moving block body and an electric contact.
6. An automatically controlled emergency stop rope pulley for forest rescue according to claim 4, wherein: the diameter of the liquid chamber (14) is greater than the length of the locking block in the fixing rod (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110096296.1A CN112827091B (en) | 2021-01-25 | 2021-01-25 | Automatic control emergency stop rope pulley for forest rescue |
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| CN202110096296.1A CN112827091B (en) | 2021-01-25 | 2021-01-25 | Automatic control emergency stop rope pulley for forest rescue |
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| CN112827091B true CN112827091B (en) | 2022-07-22 |
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| CN114788934A (en) * | 2022-04-14 | 2022-07-26 | 胡淑秀 | Anti-falling wrist strap for building construction |
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Effective date of registration: 20240517 Address after: 430070 5A / F, future mansion, 378 Wuluo Road, Hongshan District, Wuhan City, Hubei Province Patentee after: Wuhan yizhiniao Technology Co.,Ltd. Country or region after: China Address before: 276800 No.104 Jiefang Road, Wulian County, Rizhao City, Shandong Province Patentee before: Lie Yaole Country or region before: China |