CN221295799U - Bidirectional speed limiter for elevator - Google Patents
Bidirectional speed limiter for elevatorInfo
- Publication number
- CN221295799U CN221295799U CN202323291473.5U CN202323291473U CN221295799U CN 221295799 U CN221295799 U CN 221295799U CN 202323291473 U CN202323291473 U CN 202323291473U CN 221295799 U CN221295799 U CN 221295799U
- Authority
- CN
- China
- Prior art keywords
- rope
- clamp
- pulley
- rope pulley
- clamping block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 21
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 15
- 239000010959 steel Substances 0.000 abstract description 15
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect 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
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to the technical field of elevator speed limiter equipment, in particular to a bidirectional speed limiter for an elevator. According to the rope pulley, the left rope clamp and the right rope clamp are respectively arranged at the two ends of the rope pulley, the first clamping block and the second clamping block are respectively arranged on the left rope clamp and the right rope clamp, and the steel wire rope is clamped from the two ends of the rope pulley, so that the stall of the steel wire rope descends or the top is accelerated, the first clamping block and the second clamping block can be driven by the left rope clamp and the right rope clamp to be in contact friction with the steel wire ropes at the two sides of the rope pulley, the speed is reduced, and the rope pulley is simple in structure and convenient to operate.
Description
Technical Field
The utility model relates to the technical field of elevator speed limiter equipment, in particular to a bidirectional speed limiter for an elevator.
Background
The speed limiter is a safety component for an elevator, and is used for limiting the speed of the elevator in operation so as to ensure the safety of passengers. The speed limiter is usually arranged on a rope system or a track of the elevator, when the elevator runs upwards or downwards beyond a preset speed range, the speed limiter can play a role to rapidly limit or reduce the speed of the elevator, and meanwhile, the safety tongs are pulled through the steel wire rope to enable the safety tongs to work to lock the elevator guide rail, so that the elevator is prevented from stalling, and the elevator is ensured to run in a safe range.
The prior art has the following defects in the using process:
1. When the elevator is used, the prior art can only limit the descending speed of the elevator and can not limit the upward running speed of the elevator, which can lead to the condition of top rushing caused by out-of-control speed of the elevator in the ascending process, the safety risk of the elevator running is increased, the reaction speed of the speed limiter is slower, the emergency can not be rapidly dealt with, and the safety of passengers can be threatened;
2. When the prior art is used, the rope pressing type brake is used for decelerating through the friction between the rope and the rope pressing block, after the speed limiter works, the rope pressing block is rubbed with the rope at a high speed, so that the rope pressing block is worn, frequent maintenance and maintenance are needed, otherwise, the problems of mechanical failure or precision reduction and the like can occur, the speed limiter is numerous in mechanical structure and is tightly connected, and maintenance operation is inconvenient.
In view of this we propose a bi-directional governor for an elevator to solve the existing problems.
Disclosure of utility model
The utility model aims to provide a bidirectional speed limiter for an elevator, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two-way overspeed governor for elevator, includes rope sheave, left rope pincers and right rope pincers, the rope sheave center is provided with the center pin, the cyclic annular rope groove has been seted up to rope sheave outer circumference, the rope sheave front end is provided with the flywheel, flywheel suit is in the center pin, rope sheave one side is provided with left rope pincers, rope sheave is kept away from left rope pincers one side and is provided with right rope pincers, left rope pincers and right rope pincers are close to rope sheave one side and all install the connecting plate, the front side of flywheel is provided with the swinging arms, the other end clamp of two connecting plates is established between flywheel and swinging arms, left rope pincers mid-mounting has first chucking piece, right rope pincers mid-mounting has the second chucking piece, first chucking piece and second chucking piece all set up in same horizontal plane with the rope groove.
Preferably, a top plate is arranged at the rear end of the rope pulley, a detection device is arranged at one end of the front face of the top plate, a probe is arranged on one side, facing the rope pulley, of the detection device, and the probe is arranged above the swinging block.
Preferably, the rope wheel is internally provided with a centrifugal mechanism, the centrifugal mechanisms are arranged in the rope wheel in a mirror symmetry mode, and the centrifugal mechanisms are connected through connecting rods.
Preferably, an elastic piece is arranged between the centrifugal mechanism and the rope pulley, a notch is formed in one side, close to the edge of the rope pulley, of the centrifugal mechanism, and the notch is rotationally clamped with the edge of the rope pulley.
Preferably, buffer parts are arranged between the joints of the left rope clamp and the right rope clamp and the connecting plates at the two ends respectively.
Preferably, the first clamping block is sleeved on the installation shaft in the left rope clamp, and the second clamping block is sleeved on the installation shaft in the right rope clamp.
Preferably, a shell is arranged on the outer side of the rope pulley through a bolt, one side of the shell is hinged with the left rope clamp through a screw rod, and one side of the shell, which is far away from the left rope clamp, is hinged with the right rope clamp through a screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the rope pulley, the left rope clamp and the right rope clamp are respectively arranged at the two ends of the rope pulley, the first clamping block and the second clamping block are respectively arranged on the left rope clamp and the right rope clamp, and the steel wire rope is clamped from the two ends of the rope pulley, so that the stall of the steel wire rope descends or the top is accelerated, the first clamping block and the second clamping block can be driven by the left rope clamp and the right rope clamp to be in contact friction with the steel wire ropes at the two sides of the rope pulley, the speed is reduced, and the rope pulley is simple in structure and convenient to operate.
2. According to the utility model, the shells are arranged on two sides of the rope pulley, and the left rope clamp and the right rope clamp are respectively hinged with the shells, so that when the speed limiting device is maintained, the left rope clamp and the right rope clamp can be turned over by the screw rod, and the dust removal and the maintenance of the inside of the speed limiter are convenient.
Drawings
FIG. 1 is a schematic view of a three-dimensional partial structure of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
Fig. 3 is a schematic three-dimensional structure of the present utility model.
In the figure: 1. left rope clamp; 2. a connecting plate; 3. a first clamping block; 4. a flywheel; 5. a rope pulley; 6. a centrifugal mechanism; 7. rope grooves; 8. a second clamping block; 9. a buffer member; 10. a right rope clamp; 11. a swinging block; 12. a top plate; 13. a detection device; 14. an elastic member; 15. a connecting rod; 16. a housing; 17. a probe.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1,2 and 3, the bidirectional speed limiter for the elevator provided by the utility model comprises a rope pulley 5, a left rope clamp 1 and a right rope clamp 10, wherein a central shaft is arranged in the center of the rope pulley 5, an annular rope groove 7 is formed in the outer circumferential surface of the rope pulley 5 and is used for winding a steel wire rope, a flywheel 4 is arranged at the front end of the rope pulley 5, the flywheel 4 is sleeved in the central shaft and is used for braking the rope pulley 5, the left rope clamp 1 is arranged on one side of the rope pulley 5, the right rope clamp 10 is arranged on one side, far away from the left rope clamp 1, of the rope pulley 5, connecting plates 2 are arranged on one sides, close to the rope pulley 5, of the left rope clamp 1 and the right rope clamp 10, swing rods are arranged on the front side of the flywheel 4, the other ends of the two connecting plates 2 are clamped between the flywheel 4 and the swing plates and are respectively used for driving the left rope clamp 1 and the right rope clamp 10 to act, a first clamping block 3 is arranged in the middle, a second clamping block 8 is arranged in the middle of the right rope clamp 10, the first clamping block 3 and the second clamping block 8 are both arranged on the same horizontal plane with the rope groove 7, and the steel wire rope in the rope groove 7 is clamped through the first clamping block 3 and the second clamping block 8.
Further, the roof 12 is installed to rope sheave 5 rear end, and detection device 13 is installed to the front one end of roof 12, and detection device 13 is provided with probe 17 towards rope sheave 5 one side, and probe 17 sets up in swing piece 11 top for detect wire rope velocity of movement, and with standard speed contrast, judge whether wire rope stall.
Further, the centrifugal mechanism 6 is installed inside the rope pulley 5, the centrifugal mechanism 6 is arranged in the rope pulley 5 in a mirror symmetry mode, and the centrifugal mechanisms 6 are connected through a connecting rod 15 and used for enabling the centrifugal mechanism 6 to synchronously act.
Further, be provided with elastic component 14 between centrifugal mechanism 6 and the rope sheave 5, centrifugal mechanism 6 is close to rope sheave 5 edge one side and has seted up the notch, and notch and rope sheave 5 edge rotation joint for when the elevator stall, the centrifugal force that centrifugal mechanism 6 was applyed in the rotation of rope sheave 5 is greater than elastic component 14's elastic force for centrifugal mechanism 6 notch one end moves to rope sheave 5 edge one side, rubs with rope sheave 5 edge, reduces rope sheave 5 rotational speed, and then reduces wire rope speed.
Further, buffer pieces 9 are arranged between the joints of the left rope clamp 1 and the right rope clamp 10 and the connecting plates 2 at the two ends respectively, so that the damage to the mechanical structure caused by the structural collision between the left rope clamp 1 and the right rope clamp 10 and the rope pulley 5 during the action is avoided.
Further, the first clamping block is sleeved on the installation shaft inside the left rope clamp 1, the second clamping block is sleeved on the installation shaft inside the right rope clamp 10, and the first clamping block and the second clamping block respectively support against the two ends of the steel wire rope to reduce the speed of the steel wire rope.
Further, the casing 16 is installed through the bolt in the rope sheave 5 outside, and casing 16 one side is articulated through screw rod and left rope pincers 1, and casing 16 is kept away from left rope pincers 1 one side and is articulated through screw rod and right rope pincers 10 for left rope pincers 1 and right rope pincers 10 can wind the screw rod upset, conveniently washs the overspeed governor inside.
The working principle of the bidirectional speed limiter for the elevator based on the first embodiment is as follows: when the elevator overspeed detection device is used, the overspeed limiter is arranged at the top end of an elevator, the steel wire rope is wound in the rope groove 7 on the rope pulley 5, the speed of the steel wire rope is detected in real time through the detection device 13 arranged at the top end of the rope pulley 5, whether the elevator overspeed is caused or not is judged, when the elevator overspeed is caused, the left rope clamp 1 and the right rope clamp 10 act to enable the first clamping block 3 and the second clamping block 8 to be clamped with the two ends of the steel wire rope, so that the steel wire rope decelerates, meanwhile, the elevator overspeed is caused, the centrifugal force of the centrifugal device arranged at the inner side of the rope pulley 5 is larger than the elastic force between the rope pulley 5 and the centrifugal mechanism 6, so that one end of the centrifugal mechanism 6 contacts and rubs with the edge of the rope pulley 5, the rope pulley 5 decelerates, and the elevator is ensured to run in a safe speed range.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (7)
1. The utility model provides a two-way overspeed governor for elevator, includes rope sheave (5), left rope pincers (1) and right rope pincers (10), its characterized in that: the rope pulley is characterized in that a central shaft is arranged at the center of the rope pulley (5), an annular rope groove (7) is formed in the outer circumferential surface of the rope pulley (5), a flywheel (4) is arranged at the front end of the rope pulley (5), a left rope clamp (1) is arranged on one side of the rope pulley (5), a right rope clamp (10) is arranged on one side of the rope pulley (5) away from the left rope clamp (1), connecting plates (2) are arranged on one side, close to the rope pulley (5), of the left rope clamp (1) and the right rope clamp (10), a swinging rod is arranged on the front side of the flywheel (4), the other ends of the two connecting plates (2) are clamped between the flywheel (4) and the swinging plate, a first clamping block (3) is arranged in the middle of the left rope clamp (1), a second clamping block (8) is arranged on the middle of the right rope clamp (10), and the first clamping block (3) and the second clamping block (8) are arranged on the same horizontal plane as the rope groove (7).
2. The bidirectional speed limiter for elevator according to claim 1, wherein: the novel rope pulley is characterized in that a top plate (12) is arranged at the rear end of the rope pulley (5), a detection device (13) is arranged at one end of the front face of the top plate (12), a probe (17) is arranged on one side, facing the rope pulley (5), of the detection device (13), and the probe (17) is arranged above the swinging block (11).
3. The bidirectional speed limiter for elevator according to claim 1, wherein: the rope pulley (5) is internally provided with a centrifugal mechanism (6), the centrifugal mechanism (6) is arranged in the rope pulley (5) in a mirror symmetry mode, and the centrifugal mechanisms (6) are connected through a connecting rod (15).
4. A bi-directional governor for an elevator according to claim 3, characterized in that: an elastic piece (14) is arranged between the centrifugal mechanism (6) and the rope pulley (5), a notch is formed in one side, close to the edge of the rope pulley (5), of the centrifugal mechanism (6), and the notch is rotationally clamped with the edge of the rope pulley (5).
5. The bidirectional speed limiter for elevator according to claim 1, wherein: buffer parts (9) are arranged between the joints of the left rope clamp (1) and the right rope clamp (10) and the connecting plates (2) at the two ends respectively.
6. The bidirectional speed limiter for elevator according to claim 1, wherein: the first clamping block (3) is sleeved on the installation shaft inside the left rope clamp (1), and the second clamping block (8) is sleeved on the installation shaft inside the right rope clamp (10).
7. The bidirectional speed limiter for elevator according to claim 1, wherein: the rope pulley (5) is provided with a shell (16) on the outer side through a bolt, one side of the shell (16) is hinged with the left rope clamp (1) through a screw rod, and one side of the shell (16) far away from the left rope clamp (1) is hinged with the right rope clamp (10) through a screw rod.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221295799U true CN221295799U (en) | 2024-07-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |