CN117466115A - Pulley device for elevator - Google Patents
Pulley device for elevator Download PDFInfo
- Publication number
- CN117466115A CN117466115A CN202311755518.1A CN202311755518A CN117466115A CN 117466115 A CN117466115 A CN 117466115A CN 202311755518 A CN202311755518 A CN 202311755518A CN 117466115 A CN117466115 A CN 117466115A
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- Prior art keywords
- groove
- pulley
- wall
- rope
- clamping
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000004224 protection Effects 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 11
- 230000008602 contraction Effects 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
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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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/50—Features essential to rope pulleys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to the technical field of elevator pulleys and discloses an elevator pulley device which comprises a main body and a rope groove, wherein the rope groove is formed in the outer wall of the main body, a pulley hole is formed in the inner wall of the rope groove, the elevator pulley device further comprises a limiting groove, the limiting groove is formed in the inner wall of the main body, a clamping groove is formed in the inner wall of the limiting groove, a rotating groove is formed in the inner wall of the clamping groove, a pulley mechanism is arranged in the main body, and the pulley mechanism comprises a pulley. When the clamping strip enters the clamping groove, the pulley rotating at high speed can stop rotating, so that the rope can not drive the pulley to rotate, the descending speed of the rope can be slowed down, the pulley which is integrated is replaced, when the rope is out of control, the speed of the rope and the elevator can be continuously improved by increasing the rotating speed of the pulley in the rotating process, and the friction force between the outer wall of the rope and the outer wall of the rope groove and the pulley is increased by stopping rotating the pulley, so that the descending speed of the rope and the elevator is slowed down.
Description
Technical Field
The invention relates to the technical field of elevator pulleys, in particular to a pulley device for an elevator.
Background
The elevator is permanent transportation equipment for serving a plurality of specific floors in a building, wherein a car runs on at least two rows of rigid rail motion vertical to a horizontal plane or inclined at an angle smaller than 15 degrees with a plumb line, the elevator safety is an important link of public safety of society, the life safety of thousands of people is related, and the elevator structure mainly comprises the car, a counterweight system, pulleys, a traction machine, a traction wire rope, a sensor and a control system.
Generally, the elevator uses the pulley to be an integer, directly rotate with the structural overhaul of the inner wall of elevator shaft to be connected, but because holistic pulley weight is great, can increase pulley pivoted sound when rotating, simultaneously, when the rope mechanism of elevator breaks down and leads to rope and elevator car to drop fast, can lead to the rotational speed of pulley to increase, because pulley weight is great, can increase pulley rotational speed in the rotation process, and then can continuously promote the speed that rope and elevator descend, be difficult to come the rotational speed of pulley and can't slow down to rope, elevator car speed that drops through external force, thereby cause irrecoverable result, lead to the security of elevator lower.
Disclosure of Invention
The present invention is directed to a pulley device for an elevator, which solves the problems set forth in the background art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a pulley device for an elevator, which comprises a main body and a rope groove, wherein the rope groove is arranged on the outer wall of the main body, the inner wall of the rope groove is provided with a pulley hole, and the pulley device further comprises:
the limiting groove is formed in the inner wall of the main body;
the clamping groove is formed in the inner wall of the limiting groove;
the rotating groove is formed in the inner wall of the clamping groove;
the pulley mechanism is arranged in the main body and comprises a pulley, the pulley is rotationally connected to the inner wall of the main body, the left side and the right side of the pulley are fixedly connected with limiting rotating plates, and one side, far away from the pulley, of the limiting rotating plates is fixedly connected with a connecting gear;
the contraction mechanism is arranged inside the limiting rotating plate and comprises a contraction groove which is formed in the outer wall of the limiting rotating plate;
the clamping mechanism is arranged inside the shrinkage groove and comprises clamping strips, the clamping strips are rotationally connected inside the shrinkage groove, and shrinkage springs are fixedly connected to the bottoms of the clamping strips.
Further, main part outer wall fixedly connected with revolving rack, the revolving rack has six, six revolving racks equidistance distributes at the main part outer wall, and rope groove inside is provided with the rope, and the pulley hole has a plurality of, and a plurality of pulley hole uses the main part as central circumference array, and the pulley hole runs through the rope groove, and the equal fixedly connected with fixed column in the left side of main part and right side center department, the device fixed connection of fixed column and elevator inner wall.
Further, the limiting grooves are two, the two limiting grooves are symmetrically distributed by taking the main body as the center, the clamping grooves are correspondingly formed in shape and are formed in a plurality of shape, the plurality of clamping grooves are arrayed by taking the main body as the center circumference, the inner wall of the top of each clamping groove is provided with a spring groove, springs are fixedly connected inside the spring grooves, and the rotating grooves are distributed at the openings of the clamping grooves.
Further, the rotating frame is internally provided with a speed reducing mechanism, the speed reducing mechanism comprises a rotating rod, the rotating rod is rotationally connected inside the rotating frame, the rotating rod rotationally penetrates through the rotating frame, a resistance block is fixedly connected to a middle shaft of the outer wall of the rotating rod and is distributed inside a rope groove, the left side and the right side of the rotating rod are fixedly connected with locking wheels, a plurality of tooth grooves are formed in the surfaces of the locking wheels, the speed reducing mechanism is three, and the three speed reducing mechanisms are correspondingly distributed with every two connecting gears.
Further, the pulley outer wall and pulley hole gomphosis to rope and pulley outer wall in the rope groove are offset, and two spacing rotating plates use the pulley as central symmetry distribution, and connecting gear distributes in the outside of main part, and connecting gear meshes with the tooth's socket on the lock wheel, and spacing rotating plate rotates with spacing inslot wall to be connected, and the inside rotation of main part is connected with two second pulley mechanisms, and two pulley mechanisms and second pulley mechanism use the main part as central circumference array.
Further, the inner wall of the bottom of the shrinkage groove is hexagonal, the inner wall of the bottom of the shrinkage groove is fixedly connected with three movable connecting frames, the three movable connecting frames take the shrinkage groove as a central circumferential array, the inner wall of the shrinkage groove is fixedly connected with three limiting abutting blocks, the three limiting abutting blocks take the shrinkage groove as a central circumferential array, and the three limiting abutting blocks are respectively distributed at the rear parts of the three movable connecting frames.
Further, the clamping strip is rotationally connected with the outer wall of the limiting abutting block, one end, away from the limiting abutting block, of the clamping strip is fixedly connected with a cylindrical head, the outer wall of the cylindrical head abuts against the inner wall of the clamping groove, the clamping strip is arc-shaped, one end, away from the clamping strip, of the shrinkage spring is fixedly connected with the inner wall of the shrinkage groove, an abutting groove is formed in one side, away from the shrinkage spring, of the clamping strip, and the inner wall of the abutting groove abuts against the outer wall of the limiting abutting block.
Further, chucking groove opening part is provided with protection machanism, and protection machanism is including the round bar, and the round bar rotates to be connected at the change inslot portion, and round bar outer wall fixedly connected with guard plate, guard plate top and the inside spring fixed connection of spring groove, guard plate top offset with chucking groove top inner wall, and the one end fixedly connected with rubber membrane of round bar is kept away from to the guard plate, and the rubber membrane is soft material, has seted up the pit that falls into between rubber membrane and the guard plate.
The invention has the following beneficial effects:
according to the invention, when the rope passes through the inside of the rope groove and then is rolled and descended by the rope rolling device at the tail end of the rope, when the rope rolling device at the tail end of the rope breaks down to cause the rope and the elevator to rapidly descend, the rope can slide in the inside of the rope groove, the speed of the speed reducing mechanism and the whole pulley mechanism rotating in the inside of the main body is increased by the rope, when the pulley drives the rotating speed of the limiting rotating plate to be too fast, the clamping strip in the shrinkage groove can pull the shrinkage spring outwards by larger centrifugal force, the outer wall of the cylinder head is propped against the inner wall of the limiting groove to rotate, and as the centrifugal force increases, the cylinder head can tightly prop against the inner wall of the limiting groove, when the cylinder head passes through the opening of the clamping groove, upward thrust is generated on the outer wall of the protection plate by the cylinder head, so that the protection plate rotates in the inside of the rotating groove through the cylinder rod, and the spring in the rotating groove on the protection plate is compressed, the inside of the spring groove, and simultaneously the protection plate is embedded with the top of the clamping groove, so that the whole clamping strip enters the inside of the limiting groove, when the clamping strip enters the inside of the pulley, the inside of the limiting rotating groove, the pulley stops the clamping strip, the rotating in the inside of the pulley groove, the elevator is stopped, the rotating speed is reduced, the elevator is continuously, and the speed is reduced, and the speed of the elevator is reduced, and the elevator is continuously is reduced because the rotating speed is reduced, and the speed of the elevator is reduced, the speed that makes the staff drop rope, elevator car through the maintenance to rope winder or through external force is slowed down and stopped, avoids causing irrecoverable result, has promoted the security of elevator.
According to the invention, after the main body is arranged in the elevator shaft through the fixed column, the rope penetrates into the rope groove from the lower part of the rope groove, so that the rope is contacted with the parts of the outer walls of the pulleys, which are leaked into the rope groove through the pulley holes, to replace the traditional pulleys, the integral weight of the pulleys is reduced, the rotating sound of the pulleys is increased when the pulleys rotate, the noise in the elevator shaft is reduced, the rope abuts against the outer walls of the resistance blocks, the connecting gears are driven to stop rotating when the pulleys stop rotating, and the rotating rod and the resistance blocks are driven to synchronously stop following the rotation of the ropes when the locking wheels are meshed with the connecting gears, so that the friction force between the resistance blocks and the ropes is increased when the ropes descend, the descending speed of the ropes is greatly improved through the friction force between the ropes and the pulleys and the friction force between the resistance blocks, the elevator speed is reduced, and the practicability of the pulleys and the use safety performance of the elevator are improved.
According to the elevator clamping device, the protection plate and the rubber film are arranged at the opening of the clamping groove, when the descending speed of the elevator is required to be deliberately improved to cause unexpected unfolding of the clamping strip, the clamping strip is prevented from directly entering the inside of the clamping groove to influence the normal operation of the elevator, the protection plate can be reset through the spring in the spring groove, meanwhile, the position of the protection plate can be limited, the practicability of the elevator clamping device is improved, and the stability of the pulley during rotation is improved through the sliding of the limiting rotating plate in the limiting groove, so that the phenomenon of left-right movement of the pulley during rotation is avoided.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an overall cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the body of the present invention;
FIG. 4 is a schematic diagram of the main structure of the present invention;
FIG. 5 is a schematic diagram of a pulley mechanism according to the present invention;
FIG. 6 is a schematic view of a retracting mechanism according to the present invention;
FIG. 7 is a schematic view of a clamping mechanism according to the present invention;
fig. 8 is an enlarged view at a in fig. 4.
In the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a main body; 101. rope grooves; 102. a rotating frame; 103. a pulley hole; 104. fixing the column; 105. a limit groove; 106. a clamping groove; 107. a spring groove; 108. a rotary groove; 2. a speed reducing mechanism; 201. a rotating rod; 202. a resistance block; 203. a lock wheel; 3. a pulley mechanism; 301. a pulley; 302. a connecting gear; 303. limiting rotating plate; 4. a retraction mechanism; 401. a shrink tank; 402. a movable connecting frame; 403. limiting abutting blocks; 5. a clamping mechanism; 501. a fastener strip; 502. cylindrical heads; 503. a retraction spring; 504. a groove is propped against; 6. a protective mechanism; 601. a round bar; 602. a protection plate; 603. a rubber film; 604. a sink groove; 7. a second pulley mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8, the present invention is a pulley device for an elevator, comprising a main body 1 and a rope groove 101, wherein the rope groove 101 is formed on the outer wall of the main body 1, and a pulley hole 103 is formed on the inner wall of the rope groove 101, and further comprising:
the limiting groove 105 is arranged on the inner wall of the main body 1, the clamping groove 106 is arranged on the inner wall of the limiting groove 105, the rotating groove 108 is arranged on the inner wall of the clamping groove 106, the outer wall of the main body 1 is fixedly connected with the rotating frames 102, the number of the rotating frames 102 is six, the six rotating frames 102 are equidistantly distributed on the outer wall of the main body 1, a rope is arranged in the rope groove 101, a plurality of pulley holes 103 are arranged in a plurality of pulley holes 103 which are arrayed with the main body 1 as a central circumference, the pulley holes 103 penetrate the rope groove 101, fixing columns 104 are fixedly connected at the centers of the left side and the right side of the main body 1, the fixing columns 104 are fixedly connected with devices of the inner wall of an elevator, the limiting grooves 105 are two, the two limit grooves 105 are symmetrically distributed by taking the main body 1 as a center, the shape of each clamping groove 106 is corresponding to that of each clamping strip 501, the plurality of clamping grooves 106 are arranged in a plurality of circumferential arrays by taking the main body 1 as a center, the inner wall of the top of each clamping groove 106 is provided with a spring groove 107, springs are fixedly connected in the spring grooves 107, the rotating grooves 108 are distributed at the openings of the clamping grooves 106, after the main body 1 is arranged in an elevator shaft through the fixing columns 104, ropes are penetrated into the rope grooves 101 from the lower part of the rope grooves 101, and the rope is contacted with the parts of the outer walls of the pulleys 301 leaked into the rope grooves 101 through the pulley holes 103, so that the traditional pulleys are replaced;
the pulley mechanism 3, the pulley mechanism 3 is arranged in the main body 1, the pulley mechanism 3 comprises a pulley 301, the pulley 301 is rotationally connected to the inner wall of the main body 1, the left side and the right side of the pulley 301 are fixedly connected with limiting rotating plates 303, the stability of the pulley 301 in rotation is improved through the sliding of the limiting rotating plates 303 in the limiting groove 105, one side of the limiting rotating plates 303 away from the pulley 301 is fixedly connected with a connecting gear 302, the outer wall of the pulley 301 is embedded with a pulley hole 103, a rope in the rope groove 101 is propped against the outer wall of the pulley 301, the two limiting rotating plates 303 are symmetrically distributed by taking the pulley 301 as a center, the connecting gears 302 are distributed outside the main body 1, the connecting gear 302 is meshed with a tooth slot on the lock wheel 203, the limiting rotating plate 303 is rotationally connected with the inner wall of the limiting groove 105, the inside of the main body 1 is rotationally connected with two second pulley mechanisms 7, the two pulley mechanisms 3 and the second pulley mechanisms 7 are arranged in a circumferential array with the main body 1 as the center, the whole clamping strip 501 can enter the clamping groove 106, when the clamping strip 501 enters the clamping groove 106, the pulley 301 rotating at a high speed is stopped, the rope can not drive the pulley 301 to rotate, so that the rope descending speed can be reduced, the pulley 301 stops rotating, the friction force between the outer wall of the rope and the outer wall of the rope groove 101 and the pulley 301 is increased, and the descending speed of the rope and the elevator is reduced;
the clamping mechanism 5 is arranged in the shrinkage groove 401, the clamping mechanism 5 comprises a clamping strip 501, the clamping strip 501 is rotationally connected in the shrinkage groove 401, a shrinkage spring 503 is fixedly connected to the bottom of the clamping strip 501, the clamping strip 501 is rotationally connected with the outer wall of the limiting abutting block 403, a cylindrical head 502 is fixedly connected to one end of the clamping strip 501, which is far away from the limiting abutting block 403, of the clamping strip 501, the outer wall of the cylindrical head 502 abuts against the inner wall of the clamping groove 106, the clamping strip 501 is arc-shaped, one end of the shrinkage spring 503, which is far away from the clamping strip 501, is fixedly connected with the inner wall of the shrinkage groove 401, an abutting groove 504 is formed in one side of the clamping strip 501, which is far away from the shrinkage spring 503, of the abutting groove 504 abuts against the outer wall of the limiting abutting block 403, when the pulley 301 drives the limiting rotating plate 303 to rotate too fast, the clamping strip 501 in the shrinkage spring 503 is pulled outwards through a large centrifugal force, the outer wall of the cylindrical head 502 abuts against the inner wall of the limiting groove 105, the cylindrical head 502 is tightly abuts against the inner wall of the limiting groove 105 along with the increase of the centrifugal force, the cylindrical head 502 contacts with the groove 604, an upward thrust force is generated on the outer wall of the protection plate 602, the protection plate 602 is enabled to be sunk into the inside the groove 108 through the rotating rod 602, and the protection plate 602 is compressed inside the protection plate 106, and simultaneously, and the protection plate 107 is compressed inside the protection plate 602.
When in use, when the rope passes through the rope groove 101 and then is controlled to be coiled and descended by the rope coiling device at the tail end of the rope, when the rope coiling device at the tail end of the rope breaks down to cause the rope and the elevator to descend rapidly, the rope can slide in the rope groove 101 at too high speed, the rope can drive the speed reducing mechanism 2 and the pulley mechanism 3 to rotate integrally in the main body 1 to increase, when the pulley 301 drives the rotation speed of the limiting rotating plate 303 to be too high, the clamping strip 501 in the shrinkage groove 401 pulls the shrinkage spring 503 outwards to enable the outer wall of the cylindrical head 502 to abut against the inner wall of the limiting groove 105 to rotate, as the centrifugal force increases, the cylindrical head 502 can tightly abut against the inner wall of the limiting groove 105, when the cylindrical head 502 passes through the opening of the clamping groove 106 and is sunk into the groove 604, an upward pushing force is generated on the outer wall of the guard plate 602, so that the guard plate 602 rotates in the rotary groove 108 through the round rod 601, a spring in the rotary groove 108 on the guard plate 602 is compressed, the spring is compressed in the spring groove 107, meanwhile, the guard plate 602 is embedded with the top of the clamping groove 106, so that the whole clamping strip 501 enters the clamping groove 106, when the clamping strip 501 enters the clamping groove 106, the pulley 301 rotating at a high speed is stopped, the rope can not drive the pulley 301 to rotate, the rope descending speed can be slowed down, the pulley 301 stops rotating, the friction force between the rope outer wall and the rope groove 101 and the pulley 301 is increased, the rope and the elevator descending speed is slowed down, after the main body 1 is installed in the elevator shaft through the fixing column 104, the rope penetrates into the rope groove 101 from the lower part of the rope groove 101, the rope is contacted with the outer walls of the pulleys 301 through the parts of the pulley holes 103, which are leaked in the rope grooves 101, so that the traditional pulleys are replaced, the overall weight of the pulleys is reduced, the rotating sound of the pulleys 301 is increased when the pulleys rotate is reduced, the noise in the elevator shaft is reduced, and the stability of the pulleys 301 when the pulleys rotate is improved through the sliding of the limiting rotating plate 303 in the limiting groove 105.
Example 2
Referring to fig. 1-8, the device further comprises a reduction mechanism 2 arranged in the rotating frame 102, the reduction mechanism 2 comprises a rotating rod 201, the rotating rod 201 is rotatably connected in the rotating frame 102, the rotating rod 201 rotates to penetrate through the rotating frame 102, a resistance block 202 is fixedly connected to a middle shaft of the outer wall of the rotating rod 201, the resistance block 202 is distributed in the rope groove 101, locking wheels 203 are fixedly connected to the left side and the right side of the rotating rod 201, a plurality of tooth grooves are formed on the surface of the locking wheels 203, three reduction mechanisms 2 are distributed corresponding to each two connecting gears 302, the three reduction mechanisms 2 are abutted against the outer wall of the resistance block 202 through ropes, when the pulley 301 stops rotating, the connecting gears 302 are driven to stop rotating, and when the locking wheels 203 are meshed with the connecting gears 302, the rotating rod 201 and the resistance block 202 are driven to synchronously stop rotating along with the ropes, so that when the ropes descend, friction force between the resistance block 202 and the ropes is increased;
the shrinkage mechanism 4 is arranged in the limiting rotating plate 303, the shrinkage mechanism 4 comprises a shrinkage groove 401, the shrinkage groove 401 is formed in the outer wall of the limiting rotating plate 303, the inner wall of the bottom of the shrinkage groove 401 is hexagonal, three movable connecting frames 402 are fixedly connected to the inner wall of the bottom of the shrinkage groove 401, the three movable connecting frames 402 take the shrinkage groove 401 as a central circumferential array, three limiting supporting blocks 403 are fixedly connected to the inner wall of the shrinkage groove 401, the three limiting supporting blocks 403 take the shrinkage groove 401 as a central circumferential array, the three limiting supporting blocks 403 are respectively distributed behind the three movable connecting frames 402, a plurality of clamping strips 501 are stored through the shrinkage groove 401, and meanwhile, after the clamping strips are unfolded, the clamping strips 501 are propped against the inside of the supporting grooves 504 through the limiting supporting blocks 403, so that the width of the stretching of the clamping strips 501 on the movable connecting frames 402 is limited;
the clamping groove 106 opening part is provided with protection machanism 6, protection machanism 6 is including round bar 601, round bar 601 rotates to be connected inside changeing groove 108, round bar 601 outer wall fixedly connected with guard plate 602, guard plate 602 top and the inside spring fixed connection of spring groove 107, guard plate 602 top offsets with clamping groove 106 top inner wall, the one end fixedly connected with rubber membrane 603 of round bar 601 is kept away from to guard plate 602, rubber membrane 603 is soft material, set up between rubber membrane 603 and the guard plate 602 and absorbed in groove 604, frictional force through rope and pulley 301, resistance piece 202 bilayer has promoted the speed that slows down the rope by a wide margin, set up the opening part at clamping groove 106 through guard plate 602 and rubber membrane 603, when the decline speed that needs deliberately promotes the elevator leads to clamping strip 501 unexpected expansion, avoid clamping strip 501 directly entering clamping groove 106 inside and influencing the normal operating of elevator.
During the use, offset through rope and resistance block 202 outer wall, can drive connecting gear 302 when pulley 301 stops rotating and stop rotating, when lock wheel 203 and connecting gear 302 are engaged, drive bull stick 201 and resistance block 202 synchronous stop and follow the rope and rotate, thereby offset through resistance block 202 and rope, when the rope descends, the frictional force of resistance block 202 and rope has been increased, through the frictional force of rope and pulley 301, resistance block 202 bilayer, the speed that slows down the rope descends has been promoted by a wide margin, set up in the opening part of chucking groove 106 through guard plate 602 and rubber membrane 603, when the decline speed that needs deliberately promote the elevator leads to chucking strip 501 unexpected expansion, avoid chucking strip 501 directly entering into chucking inslot 106 and influence the normal operating of elevator, and can reset guard plate 602 through the inside spring of spring groove 107, the position of guard plate 602 can also be restricted simultaneously.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. Pulley gear for elevator, including main part (1) and rope groove (101), rope groove (101) are seted up at main part (1) outer wall, pulley hole (103) have been seted up to rope groove (101) inner wall, its characterized in that still includes:
the limiting groove (105) is formed in the inner wall of the main body (1);
the clamping groove (106) is formed in the inner wall of the limiting groove (105);
the rotating groove (108) is formed in the inner wall of the clamping groove (106);
the pulley mechanism (3), pulley mechanism (3) is arranged inside the main body (1), pulley mechanism (3) is including pulley (301), pulley (301) rotate and connect at main body (1) inner wall, all fixedly connected with spacing revolving plate (303) on the left side and the right side of pulley (301), one side that spacing revolving plate (303) kept away from pulley (301) is fixedly connected with connecting gear (302);
the shrinkage mechanism (4), the shrinkage mechanism (4) is arranged in the limiting rotating plate (303), the shrinkage mechanism (4) comprises a shrinkage groove (401), and the shrinkage groove (401) is formed in the outer wall of the limiting rotating plate (303);
the clamping mechanism (5), clamping mechanism (5) set up inside shrink groove (401), clamping mechanism (5) are including chucking strip (501), chucking strip (501) rotate and connect inside shrink groove (401), chucking strip (501) bottom fixedly connected with shrink spring (503).
2. The pulley device for an elevator according to claim 1, wherein: the utility model discloses a novel elevator, including main part (1) outer wall fixedly connected with revolving rack (102), revolving rack (102) have six, six revolving rack (102) equidistance distributes at main part (1) outer wall, rope groove (101) inside is provided with the rope, pulley hole (103) have a plurality of, a plurality of pulley hole (103) use main part (1) as central circumference array, pulley hole (103) run through rope groove (101), the equal fixedly connected with fixed column (104) in left side and right side center department of main part (1), device fixed connection of fixed column (104) and elevator inner wall.
3. The pulley device for an elevator according to claim 2, characterized in that: the utility model discloses a clamping device, including clamping groove (106), spacing groove (105), spring groove (107) have been seted up to clamping groove (106) top inner wall, just spring groove (107) inside fixedly connected with spring, change groove (108) distribution in the opening part of clamping groove (106), spacing groove (105) have two, spacing groove (105) use main part (1) to distribute as central symmetry, clamping groove (106) shape and corresponding setting of chucking strip (501), clamping groove (106) have a plurality of clamping groove (106) use main part (1) as central circumference array.
4. A pulley device for an elevator according to claim 3, characterized in that: the novel rotary rack is characterized in that a speed reducing mechanism (2) is arranged inside the rotary rack (102), the speed reducing mechanism (2) comprises a rotary rod (201), the rotary rod (201) is rotationally connected inside the rotary rack (102), the rotary rod (201) rotationally penetrates through the rotary rack (102), a resistance block (202) is fixedly connected to a middle shaft of the outer wall of the rotary rod (201), the resistance block (202) is distributed inside a rope groove (101), locking wheels (203) are fixedly connected to the left side and the right side of the rotary rod (201), a plurality of tooth grooves are formed in the surface of each locking wheel (203), and the speed reducing mechanism (2) is correspondingly distributed with every two connecting gears (302).
5. The pulley device for an elevator according to claim 4, wherein: the pulley is characterized in that the outer wall of the pulley (301) is embedded with the pulley hole (103), ropes inside the rope groove (101) are abutted against the outer wall of the pulley (301), two limiting rotating plates (303) are symmetrically distributed by taking the pulley (301) as a center, connecting gears (302) are distributed outside the main body (1), the connecting gears (302) are meshed with tooth grooves on the lock wheel (203), the limiting rotating plates (303) are rotationally connected with the inner wall of the limiting groove (105), two second pulley mechanisms (7) are rotationally connected inside the main body (1), and the two pulley mechanisms (3) and the second pulley mechanisms (7) are arrayed in a circumference mode by taking the main body (1) as a center.
6. The pulley device for an elevator according to claim 5, wherein: the inner wall of the bottom of the shrinkage groove (401) is hexagonal, three movable connecting frames (402) are fixedly connected to the inner wall of the bottom of the shrinkage groove (401), three movable connecting frames (402) take the shrinkage groove (401) as a central circumferential array, three limiting supporting blocks (403) are fixedly connected to the inner wall of the shrinkage groove (401), three limiting supporting blocks (403) take the shrinkage groove (401) as a central circumferential array, and three limiting supporting blocks (403) are respectively distributed at the rear of the three movable connecting frames (402).
7. The pulley device for an elevator according to claim 6, wherein: the clamping strip (501) is rotationally connected with the outer wall of the limiting abutting block (403), one end of the clamping strip (501) away from the limiting abutting block (403) is fixedly connected with a cylindrical head (502), the outer wall of the clamping strip (501), the outer wall of the cylindrical head (502) and the inner wall of the clamping groove (106) are abutted, the clamping strip (501) is arc-shaped, one end of the contraction spring (503) away from the clamping strip (501) is fixedly connected with the inner wall of the contraction groove (401), one side of the clamping strip (501) away from the contraction spring (503) is provided with an abutting groove (504), and the inner wall of the abutting groove (504) and the outer wall of the limiting abutting block (403) are abutted.
8. The pulley device for an elevator according to claim 7, wherein: the utility model discloses a protection device for a solar cell, including chucking groove (106), chucking groove (106) opening part is provided with protection machanism (6), protection machanism (6) are including round bar (601), round bar (601) rotate and connect inside rotating groove (108), round bar (601) outer wall fixedly connected with guard plate (602), guard plate (602) top and the inside spring fixed connection of spring groove (107), guard plate (602) top offsets with chucking groove (106) top inner wall, one end fixedly connected with rubber membrane (603) of round bar (601) are kept away from to guard plate (602), rubber membrane (603) are soft material, set up between rubber membrane (603) and guard plate (602) and sink into groove (604).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311755518.1A CN117466115B (en) | 2023-12-20 | 2023-12-20 | Pulley device for elevator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311755518.1A CN117466115B (en) | 2023-12-20 | 2023-12-20 | Pulley device for elevator |
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| CN117466115B CN117466115B (en) | 2024-02-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100436A (en) * | 1986-01-26 | 1986-09-10 | 仲建元 | Well-shaped frame type manned elevator |
| CN103623518A (en) * | 2012-08-22 | 2014-03-12 | 党凌波 | Vertical storage tank fixing safety belt device |
| CN105879248A (en) * | 2015-01-05 | 2016-08-24 | 黄国勤 | Double-brake type emergency escape device |
| CN107128770A (en) * | 2017-05-11 | 2017-09-05 | 合肥工业大学 | One kind is used for vertical-lift elevator anti-falling self-locking device |
| CN209933867U (en) * | 2019-03-27 | 2020-01-14 | 中际联合（北京）科技股份有限公司 | Rescue descent control device with electric lifting function |
-
2023
- 2023-12-20 CN CN202311755518.1A patent/CN117466115B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100436A (en) * | 1986-01-26 | 1986-09-10 | 仲建元 | Well-shaped frame type manned elevator |
| CN103623518A (en) * | 2012-08-22 | 2014-03-12 | 党凌波 | Vertical storage tank fixing safety belt device |
| CN105879248A (en) * | 2015-01-05 | 2016-08-24 | 黄国勤 | Double-brake type emergency escape device |
| CN107128770A (en) * | 2017-05-11 | 2017-09-05 | 合肥工业大学 | One kind is used for vertical-lift elevator anti-falling self-locking device |
| CN209933867U (en) * | 2019-03-27 | 2020-01-14 | 中际联合（北京）科技股份有限公司 | Rescue descent control device with electric lifting function |
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| CN117466115B (en) | 2024-02-23 |
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