CN221587780U - Elevator counterweight device with safety tongs - Google Patents
Elevator counterweight device with safety tongs Download PDFInfo
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- CN221587780U CN221587780U CN202420189966.3U CN202420189966U CN221587780U CN 221587780 U CN221587780 U CN 221587780U CN 202420189966 U CN202420189966 U CN 202420189966U CN 221587780 U CN221587780 U CN 221587780U
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- safety tongs
- counterweight
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- elevator
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model provides an elevator counterweight device with safety tongs, which comprises a counterweight frame, wherein a pair of safety tongs bodies are symmetrically arranged at two sides of the bottom of the counterweight frame, and a safety tongs linkage mechanism for enabling the pair of safety tongs bodies to synchronously act is arranged between the pair of safety tongs bodies; one side of the counterweight frame is provided with a safety tongs lifting mechanism for triggering a safety tongs linkage mechanism, one end of the safety tongs pull rod is connected with a steel wire rope of the counterweight speed limiter, and the other end of the safety tongs pull rod is connected with the safety tongs linkage mechanism. The counterweight speed limiter can monitor the running speed of the counterweight device in real time, when the counterweight device of the elevator has overspeed running working conditions, the counterweight speed limiter acts to lift up the safety tongs pull rod in the safety tongs lifting mechanism, and then the safety tongs pull rod triggers the safety tongs linkage mechanism, so that a pair of safety tongs bodies simultaneously act to clamp the guide rail of the counterweight device of the elevator, further descent of the counterweight device is prevented, and the running safety of the elevator is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of elevator counterweight devices, and particularly relates to an elevator counterweight device with safety tongs.
Background
With the development of high-rise buildings, elevators have become an indispensable vertical transport means in people's life. The counterweight is an important component of the elevator and mainly serves to balance the load of the elevator and reduce the energy consumption of the motor.
There is a considerable part of the elevator shaft in the market, in particular for villa elevator shafts, below which there is a space that can be reached by personnel or where equipment is installed, however, existing elevator counterweights are mostly not equipped with safety tongs, which can lead to the counterweight or elevator container falling directly to the bottom of the space when an abnormal situation occurs in the elevator, with the risk of damage to the personnel or equipment in the space.
Disclosure of utility model
The utility model aims to provide an elevator counterweight device with safety tongs, which solves the problem that the existing elevator counterweight device is not provided with the safety tongs and has risk of damaging people or equipment in the bottom space of an elevator shaft.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The elevator counterweight device with the safety tongs comprises a counterweight frame, wherein a pair of safety tongs bodies are symmetrically arranged at two sides of the bottom of the counterweight frame, and a safety tongs linkage mechanism for enabling the pair of safety tongs bodies to synchronously act is arranged between the pair of safety tongs bodies; one side of the counterweight frame is provided with a safety tongs lifting mechanism for triggering a safety tongs linkage mechanism, one end of the safety tongs pull rod is connected with a steel wire rope of the counterweight speed limiter, and the other end of the safety tongs pull rod is connected with the safety tongs linkage mechanism.
The basic principle of the utility model is as follows: the counterweight speed limiter can monitor the running speed of the counterweight of the elevator in real time, when the counterweight of the elevator has overspeed running working conditions, the counterweight moves, the safety tongs pull rod in the safety tongs lifting mechanism is lifted up, then the safety tongs pull rod triggers the safety tongs linkage mechanism, a pair of safety tongs bodies simultaneously move to clamp the guide rail of the counterweight of the elevator, the counterweight is prevented from further descending, the running safety of the elevator is ensured, and the phenomenon that the counterweight or an elevator container directly falls to the space at the bottom of an elevator shaft to damage people or equipment is avoided.
Further, as a specific setting mode of the counterweight frame, the counterweight frame comprises two counterweight vertical beams which are horizontally arranged at intervals, and two ends of the two counterweight vertical beams are respectively provided with a counterweight upper beam and a counterweight lower beam; the pair of safety tongs bodies are symmetrically arranged on the outer side surfaces of the two pair of counterweight beams respectively; a plurality of counterweight blocks are arranged in the counterweight frame.
Further, as a specific setting mode of the safety tongs linkage mechanism, the safety tongs linkage mechanism comprises two fixing plates, the two fixing plates are respectively fixed on the two counterweight beams, a linkage rod is rotationally arranged between the two fixing plates, two safety tongs pull arms are respectively fixedly arranged at two ends of the linkage rod, the two safety tongs pull arms are respectively connected with the triggering structures of the pair of safety tongs bodies, and one of the safety tongs pull arms is hinged with the end part of the safety tongs pull rod.
When the safety tongs pull rod moves upwards, the safety tongs linkage mechanism is triggered, the linkage rod drives the two safety tongs pull arms to rotate upwards simultaneously, the two safety tongs pull arms rotating upwards trigger a pair of safety tongs body to act to clamp the elevator counterweight guide rail, the counterweight is prevented from further descending, equipment or personnel in the space at the bottom of the elevator shaft cannot be damaged, and therefore operation safety of the elevator is guaranteed.
Further, as a specific installation mode of the safety tongs pull rod, the safety tongs lifting mechanism further comprises a lifting pull rod guide plate fixedly connected with a counterweight vertical beam, a guide hole is fixedly formed in the lifting pull rod guide plate, one end of the safety tongs pull rod penetrates through the guide hole to be hinged with the middle part of one safety tongs pull arm, and the other end of the safety tongs pull rod is connected with a steel wire rope of the counterweight speed limiter.
Further, as a specific setting mode of the safety tongs pulling arms, one end of each safety tongs pulling arm is provided with a fixing hole, the other end of each safety tongs pulling arm is provided with a strip hole, and the middle part of each safety tongs pulling arm is provided with a hinge hole;
The linkage rod passes through the fixing hole and is fixedly connected with the safety tongs pulling arm; the safety tongs pulling arm is connected with a triggering structure of the safety tongs body through a strip hole and a threaded connecting piece; the end part of the safety tongs pull rod is hinged with a connecting plate, and the bottom end of the connecting plate is hinged with the hinge hole through a pin shaft.
Further, both sides of the upper counterweight cross beam and the lower counterweight cross beam are respectively provided with a pair of guide shoes which are used for being in sliding fit with the guide rails of the counterweight device of the elevator. The guide shoes are arranged, so that the counterweight device cannot transversely move under extreme conditions, and stable operation of the counterweight device is ensured.
Further, a diverting pulley used for being matched with the traction steel wire rope is arranged in the middle of the upper crossbeam of the counterweight, and a pulley cover is arranged on the diverting pulley. The traction of the elevator traction equipment on the counterweight device is realized through the diverting pulley, and the arrangement of the pulley cover can prevent external dust or sundries from entering the diverting pulley and ensure the safe operation of the diverting pulley.
Further, two fixing plates are provided with a matching hole; both ends of the linkage rod are rotationally connected with the two matching holes through the sleeve.
The beneficial effects of the utility model are as follows: the counterweight device of the elevator improves the safety performance of the elevator by adding the safety tongs parts in the counterweight device of the elevator, and is particularly suitable for an elevator system in a building with a space below a hoistway.
Drawings
Fig. 1 is a schematic diagram of the front view of an elevator counterweight with safety gear.
Fig. 2 is a diagrammatic side view of an elevator counterweight with safety gear.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is an enlarged schematic view of the safety gear pulling arm.
1, A counterweight frame; 101. a counterweight girder; 102. a counterweight upper cross beam; 103. a counterweight lower cross beam; 2. a safety tongs body; 3. safety tongs linkage mechanism; 301. a fixing plate; 302. a linkage rod; 303. safety tongs pulling arm; 4. a safety tongs lifting mechanism; 401. a safety tongs pull rod; 402. a lifting rod guide plate; 403. a connecting plate; 5. a fixing hole; 6. a slit hole; 7. a hinge hole; 8. a guide shoe; 9. a diverting pulley; 10. a wheel cover; 11. a sleeve.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1 to 3, the present utility model provides an elevator counterweight device with safety tongs, comprising a counterweight frame 1, wherein a pair of safety tongs bodies 2 are symmetrically arranged at two sides of the bottom of the counterweight frame 1, and a safety tongs linkage mechanism 3 for synchronously operating the pair of safety tongs bodies 2 is arranged between the pair of safety tongs bodies 2; one side of the counterweight frame 1 is provided with a safety gear lifting mechanism 4 for triggering the safety gear linkage mechanism 3, one end of a safety gear pull rod 401 is connected with a steel wire rope of the counterweight speed limiter, and the other end is connected with the safety gear linkage mechanism 3.
In this embodiment, the operation speed of the counterweight device can be monitored in real time by the counterweight speed limiter, when the overspeed operation working condition of the counterweight device occurs, the counterweight speed limiter acts, the safety tongs pull rod 401 in the safety tongs lifting mechanism 4 is lifted up, and then the safety tongs pull rod 401 triggers the safety tongs linkage mechanism 3, so that a pair of safety tongs bodies 2 act simultaneously to clamp the guide rail of the counterweight device of the elevator, further descent of the counterweight device is prevented, thereby ensuring the operation safety of the elevator, and avoiding the phenomenon that the counterweight device or an elevator container directly falls to the bottom space of an elevator shaft to damage people or equipment.
Specifically, the counterweight frame 1 comprises two counterweight vertical beams 101 horizontally arranged at intervals, and two ends of the two counterweight vertical beams 101 are respectively provided with a counterweight upper beam 102 and a counterweight lower beam 103; the pair of safety tongs bodies 2 are symmetrically arranged on the outer side surfaces of the two pair of counterweight beams 101 respectively; a plurality of counterweight blocks are arranged in the counterweight frame 1.
Specifically, the safety tongs linkage mechanism 3 includes two fixing plates 301, the two fixing plates 301 are respectively fixed on the two counterweight beams 101, and a linkage rod 302 is rotatably arranged between the two fixing plates 301; preferably, two fixing plates 301 are provided with a matching hole; both ends of the linkage rod 302 are rotatably connected with the two matching holes through the sleeve 11.
Two safety tongs pulling arms 303 are fixedly arranged at two ends of the linkage rod 302 respectively, the two safety tongs pulling arms 303 are connected with the triggering structures of the pair of safety tongs bodies 2 respectively, and one safety tongs pulling arm 303 is hinged with the end part of the safety tongs pulling rod 401.
When the safety tongs pull rod 401 moves upwards, the safety tongs linkage mechanism 3 is triggered, the linkage rod 302 drives the two safety tongs pull arms 303 to rotate upwards at the same time, and the two safety tongs pull arms 303 rotating upwards trigger a pair of safety tongs bodies 2 to act to clamp the guide rail of the counterweight device of the elevator, so that the counterweight device is prevented from further descending, equipment or personnel in the bottom space of an elevator shaft cannot be damaged, and the operation safety of the elevator is guaranteed.
In this embodiment, as a specific installation mode of the safety gear pull rod 401, the safety gear lifting mechanism 4 further includes a lifting rod guide plate 402 fixedly connected to the counterweight beam 101, a guide hole is fixedly provided on the lifting rod guide plate 402, one end of the safety gear pull rod 401 passes through the guide hole and is hinged to the middle part of one of the safety gear pull arms 303, and the other end is connected to the wire rope of the counterweight speed limiter.
As shown in fig. 4, as a specific arrangement mode of the safety tongs pulling arms 303, one end of each safety tongs pulling arm 303 is provided with a fixing hole 5, the other end is provided with a strip hole 6, and the middle part is provided with a hinge hole 7; the linkage rod 302 passes through the fixing hole 5 and is fixedly connected with the safety tongs pulling arm 303; the safety tongs pulling arm 303 is connected with the triggering structure of the safety tongs body 2 through the strip hole 6 and the threaded connecting piece; the end of the safety tongs pull rod 401 is hinged with a connecting plate 403, and the bottom end of the connecting plate 403 is hinged with the hinge hole 7 through a pin shaft.
Preferably, but not limited to, the upper counterweight beam 102 and the lower counterweight beam 103 are provided on both sides with a pair of guide shoes 8 for sliding engagement with the counterweight guide rails of the elevator. The guide shoes 8 are arranged so that the counterweight can not move transversely under extreme conditions, and the stable operation of the counterweight is ensured. A diverting pulley 9 for being matched with a traction steel wire rope is arranged in the middle of the upper beam 102 of the counterweight, and a pulley cover 10 is arranged on the diverting pulley 9. The traction of the elevator traction equipment on the counterweight device is realized through the diverting pulley 9, and the arrangement of the pulley cover 10 can prevent external dust or sundries from entering the diverting pulley 9 and ensure the safe operation of the diverting pulley 9.
In summary, the counterweight device of the elevator according to the utility model improves the safety performance of the elevator by adding the safety tongs in the counterweight device of the elevator, and is particularly suitable for an elevator system in a building with a space below a hoistway.
Claims (8)
1. An elevator counterweight device with safety tongs is characterized by comprising a counterweight frame, wherein a pair of safety tongs bodies are symmetrically arranged at two sides of the bottom of the counterweight frame, and a safety tongs linkage mechanism for enabling the pair of safety tongs bodies to synchronously act is arranged between the pair of safety tongs bodies; one side of the counterweight frame is provided with a safety tongs lifting mechanism for triggering the safety tongs linkage mechanism, the safety tongs lifting mechanism comprises a safety tongs pull rod, one end of the safety tongs pull rod is connected with a steel wire rope of the counterweight speed limiter, and the other end of the safety tongs pull rod is connected with the safety tongs linkage mechanism.
2. The counterweight device with safety tongs of claim 1, wherein the counterweight frame comprises two counterweight beams horizontally arranged at intervals, and two counterweight upper beams and a counterweight lower beam are respectively arranged at two ends of the two counterweight beams; the pair of safety tongs bodies are symmetrically arranged on the outer side surfaces of the two pair of counterweight beams respectively; a plurality of counterweight blocks are arranged in the counterweight frame.
3. The counterweight device with safety tongs according to claim 2, wherein the safety tongs linkage mechanism comprises two fixing plates, the two fixing plates are respectively fixed on the two counterweight beams, a linkage rod is rotatably arranged between the two fixing plates, two safety tongs pull arms are respectively fixedly arranged at two ends of the linkage rod, the two safety tongs pull arms are respectively connected with the triggering structures of the pair of safety tongs bodies, and one safety tongs pull arm is hinged with the end part of the safety tongs pull rod.
4. The counterweight device with safety tongs of claim 3, wherein the safety tongs lifting mechanism further comprises a lifting rod guide plate fixedly connected with one counterweight vertical beam, a guide hole is fixedly arranged on the lifting rod guide plate, one end of the safety tongs pull rod passes through the guide hole to be hinged with the middle part of one safety tongs pull arm, and the other end is connected with a steel wire rope of the counterweight speed limiter.
5. The counterweight of an elevator with safety gear according to claim 4, wherein one end of each of the safety gear pull arms is provided with a fixing hole, the other end is provided with a strip hole, and the middle part is provided with a hinge hole;
The linkage rod passes through the fixing hole and is fixedly connected with the safety tongs pulling arm; the safety tongs pulling arm is connected with the triggering structure of the safety tongs body through the strip hole and the threaded connecting piece; the end part of the safety tongs pull rod is hinged with a connecting plate, and the bottom end of the connecting plate is hinged with the hinge hole through a pin shaft.
6. The counterweight with safety gear according to claim 5, wherein a pair of guide shoes for sliding fit with guide rails of the counterweight are provided on both sides of the upper and lower counterweight beams.
7. The counterweight device with safety gear according to claim 6, wherein a diverting sheave for cooperation with a traction wire rope is provided at a middle portion of the upper beam of the counterweight, and a sheave cover is provided on the diverting sheave.
8. An elevator counterweight with safety gear according to claim 3, wherein two of the fixing plates are each provided with a mating hole; both ends of the linkage rod are rotationally connected with the two matching holes through sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420189966.3U CN221587780U (en) | 2024-01-25 | 2024-01-25 | Elevator counterweight device with safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420189966.3U CN221587780U (en) | 2024-01-25 | 2024-01-25 | Elevator counterweight device with safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221587780U true CN221587780U (en) | 2024-08-23 |
Family
ID=92403581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420189966.3U Active CN221587780U (en) | 2024-01-25 | 2024-01-25 | Elevator counterweight device with safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221587780U (en) |
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2024
- 2024-01-25 CN CN202420189966.3U patent/CN221587780U/en active Active
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