CN107473049B - Elevator safety tongs device - Google Patents
Elevator safety tongs device Download PDFInfo
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- CN107473049B CN107473049B CN201710813055.8A CN201710813055A CN107473049B CN 107473049 B CN107473049 B CN 107473049B CN 201710813055 A CN201710813055 A CN 201710813055A CN 107473049 B CN107473049 B CN 107473049B
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- guide rail
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- 230000037431 insertion Effects 0.000 claims description 5
- 210000000080 chela (arthropods) Anatomy 0.000 claims 2
- 230000004913 activation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/22—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of linearly-movable wedges
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
- F16D2121/22—Electric or magnetic using electromagnets for releasing a normally applied brake
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention belongs to the field of elevators, and particularly relates to an elevator safety gear device. The wedge block assembly is arranged in the clamp body, the clamp body comprises a top plate, two side plates, a bottom plate and a middle guide plate which are sequentially arranged from top to bottom, the upper end and the lower end of each side plate are fixedly connected with the top plate and the bottom plate respectively, guide rail channels for passing through elevator guide rails are correspondingly arranged on the front sides of the top plate, the bottom plate and the middle guide plate from top to bottom, the middle guide plate is arranged between the two side plates, and guide openings with the calibers larger than those of the guide rail channels are arranged on the parts corresponding to the guide rail channels; the wedge blocks comprise two horizontal wedge blocks and two upper and lower wedge blocks which are symmetrically arranged on two sides of the guide rail channel. This application starts braking structure from top to bottom under emergency for thereby upper and lower voussoir follows horizontal voussoir and upwards slides and presss from both sides the guide rail through the guide rail passageway and realize the braking.
Description
Technical Field
The invention belongs to the field of elevators, and particularly relates to an elevator safety gear device.
Background
The existing safety tongs are generally used in pairs with 2 safety tongs, and two pairs of wedge blocks synchronously operate between the two safety tongs through a link mechanism, so that the purpose of braking on two or 4 guide rails is achieved. The method has the advantages of complex structure, long reaction time during synchronous operation, easy unsafe accidents especially at high speed and high cost.
Disclosure of Invention
The object of the present invention is to provide an elevator safety gear arrangement that addresses the above-mentioned problems.
The technical purpose of the invention is realized by the following technical scheme:
an elevator safety gear device comprises a gear body and a wedge block assembly arranged in the gear body, wherein the gear body comprises a top plate, two side plates, a bottom plate and a middle guide plate which are sequentially arranged from top to bottom, the upper end and the lower end of each side plate are fixedly connected with the top plate and the bottom plate respectively, guide rail channels for passing elevator guide rails are correspondingly arranged on the front sides of the top plate and the bottom plate from top to bottom, the middle guide plate is arranged between the two side plates, and guide ports with the calibers larger than those of the guide rail channels are arranged on the parts, corresponding to the guide rail channels, of the middle guide plate; the wedge blocks comprise two horizontal wedge blocks and two upper and lower wedge blocks which are symmetrically arranged at two sides of the guide rail channel, the upper and lower ends of each horizontal wedge block are abutted against the top plate and the middle guide plate, the upper and lower wedge blocks are arranged between the horizontal wedge blocks, the upper and lower inclined wedge surfaces at the outer sides of the two upper and lower wedge blocks are in one-to-one corresponding sliding connection with the horizontal inclined wedge surfaces at the inner sides of the two horizontal wedge blocks, and the upper and lower wedge blocks penetrate through the guide openings; an upper braking structure and a lower braking structure which are used for controlling the upper wedge block and the lower wedge block to ascend and brake are arranged between the bottoms of the upper wedge block and the lower wedge block and the bottom plate, and a horizontal braking structure which is used for positioning and horizontally braking the horizontal wedge block is arranged between the middle guide plate and the top plate.
This application starts braking structure from top to bottom under emergency for thereby upper and lower voussoir is followed horizontal voussoir and is upwards slided and is carried the guide rail through the guide rail passageway and realize the braking.
Preferably, the upper and lower braking structures include a supporting plate abutting against the bottom of the upper and lower wedges, a supporting plate fixedly arranged between the two side plates, a guide rod penetrating the supporting plate and fixedly connected with the supporting plate at the upper end, a starting spring sleeved on the guide rod and connecting the supporting plate and the supporting plate, and a braking component for controlling the starting guide rod to ascend.
Preferably, the lower portion of the guide rod is provided with a notch, and the braking component comprises a pull rod which is telescopically inserted into the notch and used for fixing the guide rod, and an electromagnet used for controlling the extension of the pull rod.
Preferably, the supporting plate comprises a main plate part which is close to the center of the caliper body and connected with the guide rod and two auxiliary plate parts which symmetrically extend outwards from the outer side of the main plate part and respectively abut against the bottoms of the upper wedge block and the lower wedge block, and a notch corresponding to the guide rail channel is formed between the main plate part and the two auxiliary plate parts.
This application is fixed through the pull rod with upper and lower voussoir pull down through above-mentioned braking structure, form the passageway of great accessible guide rail between the upper and lower voussoir, elevator normal operating, when needs emergency braking, the electro-magnet starts, pull out the pull rod from the notch, the guide bar loses power, go up under the effort of start spring, voussoir rises about the layer board promotes simultaneously, upper and lower voussoir draws close each other under the effect of slope wedge face when the horizontal voussoir rises along upper and lower voussoir, thereby the interval between reduces thereby the realization is cliied the guide rail and is realized braking.
The structure has the advantages of fast braking reaction, good structural stability, high braking efficiency, low failure rate and high use safety.
Preferably, the main plate portion is provided with thickened portions corresponding to at least bottoms of two sides of the two auxiliary plate portions, the auxiliary plate portions and the thickened portions are integrally connected through triangular ribs, the supporting plate is provided with auxiliary holes corresponding to the auxiliary plate portions, and auxiliary guide rods penetrating the auxiliary holes are arranged at bottoms of the auxiliary plate portions.
The vice board portion is located to the voussoir from top to bottom to can vacate the notch that the space formed through the guide rail, the setting of the foretell vice guide arm of rethread of this application forms stable direction result with the guide bar cooperation, thereby guarantee hang also can stably jack up voussoir from top to bottom and difficult production incline or card die when the vice board portion atress outside the mainboard portion, guarantee high efficiency, the stability of braking.
Preferably, the bottom of the top plate is further provided with a reset component for enabling the upper wedge block and the lower wedge block to reset downwards, the reset component comprises a top push plate, a push rod, a push spring, an insert rod and an electromagnet, the top push plate is located below the top plate, the push rod penetrates through the top plate, and the push spring is arranged between the top plate and a top frame plate of the reset frame; a baffle plate used for limiting the guide rod is arranged below the supporting plate, and a touch switch is arranged on the baffle plate.
This application is through above-mentioned reset block's setting, and after emergency braking state, the accessible starts the electro-magnet, deviates from the inserted bar from bulldozing the pole, bulldozes the pole and pushes away voussoir about pushing away downwards under the spring action, and upper and lower voussoir touches the switch on the baffle when supporting the baffle location for the electro-magnet loses electricity, no longer attracts between electro-magnet and the pull rod, can establish the spring in the electro-magnet and promote the pull rod to the guide bar, makes the pull rod reset and inserts the guide bar. The pressure of the biasing spring is greater than the compression force of the activation spring, thereby causing the activation spring to be recompressed.
Preferably, the horizontal braking structure comprises a U-shaped plate spring, two ends of which are respectively abutted against the outer side surfaces of the two horizontal wedges, and a guide screw, wherein the guide screw penetrates through the side plate and the plate spring from outside to inside and penetrates through the horizontal wedges; the guide screw is in threaded connection with the side plate and is sleeved with the plate spring and the horizontal wedge block in a movable and sliding manner.
Preferably, the front side and the rear side of the horizontal wedge block are respectively and fixedly provided with an upper wedge block guide plate and a lower wedge block guide plate which extend out of the horizontal inclined wedge surface towards one side of the guide rail channel, and guide rail strips parallel to the horizontal inclined wedge surface are oppositely arranged on the two upper wedge block guide plates and the two lower wedge block guide plates; guide grooves are formed in the front side and the rear side of the upper wedge block and the lower wedge block, and the guide rail bar is arranged in the guide grooves and slides along the guide grooves; and a linear motion bearing is clamped between the horizontal inclined wedge surface and the upper and lower inclined wedge surfaces.
Preferably, the lead screw comprises a lead screw section with a smooth peripheral wall near the front part and a threaded section with an external thread on the peripheral wall of the rear part.
Through the arrangement of the horizontal braking structure, the guide rail can be stably clamped and instantly buffered, the clamping degree of the guide rail can be guaranteed, the whole structure is good in stability and not easy to damage, the braking is soft, and the strength is high.
Preferably, a limit step is formed between the guide rod section and the thread section, and an elastic buffer gasket is arranged on the limit step.
The limit step does not work under the normal braking condition, and safety protection in the form of the limit step is only carried out under the fault condition, such as the condition that the horizontal wedge block excessively moves outwards and the plate spring excessively bounces. And a buffer elastic washer can be arranged on the limit step surface for buffering.
In conclusion, the invention has the following beneficial effects:
1. this application adopts the safety circuit, and safe type is high. The electromagnet is adopted to trigger action, and the reaction time is short. Basically, the trigger is direct, the intermediate structure is few, the structure is simple, the volume is small, and the installation is convenient. Due to the fact that the trigger is electrically triggered, multipoint linkage can be achieved, and the synchronism is good.
2. The utility model provides a level, upper and lower braking stable in structure, reaction are fast, under emergency, start braking structure from top to bottom for thereby upper and lower voussoir follows horizontal voussoir rebound and cliies the guide rail through the guide rail passageway and realize the braking. The connecting rod mechanism linked among a plurality of safety tongs in the prior art is eliminated, and the reliability and the safety are greatly improved.
Drawings
FIG. 1 is a first structural diagram of the present application;
FIG. 2 is a second structural diagram of the present application;
FIG. 3 is a first schematic view of the frame structure of the caliper body according to the present application;
FIG. 4 is a second schematic view of the frame structure of the present invention;
FIG. 5 is a schematic view of a pallet configuration;
FIG. 6 is a schematic view of a lead screw configuration;
FIG. 7 is a schematic view of a third structure of the embodiment;
FIG. 8 is a schematic structural view of the fourth embodiment;
FIG. 9 is a schematic structural diagram of the fifth embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The first embodiment is as follows:
an elevator safety gear device comprises a gear body and a wedge block assembly arranged in the gear body, wherein the gear body comprises a top plate 1, two side plates 2, a bottom plate 3 and a middle guide plate 4 which are sequentially arranged from top to bottom, the upper end and the lower end of each side plate are fixedly connected with the top plate and the bottom plate respectively, guide rail channels 5 for passing elevator guide rails are correspondingly arranged on the front sides of the top plate, the bottom plate and the middle guide plate from top to bottom, the middle guide plate is arranged between the two side plates, and a part corresponding to the guide rail channels is provided with a guide port 41 with the caliber larger than that of the guide rail channels; the wedge blocks comprise two horizontal wedge blocks 6 and two upper and lower wedge blocks 7 which are symmetrically arranged at two sides of the guide rail channel, the upper and lower ends of each horizontal wedge block are abutted against the top plate and the middle guide plate, the upper and lower wedge blocks are arranged between the horizontal wedge blocks, the upper and lower inclined wedge surfaces at the outer sides of the two upper and lower wedge blocks are in one-to-one corresponding sliding connection with the horizontal inclined wedge surfaces at the inner sides of the two horizontal wedge blocks, and the upper and lower wedge blocks penetrate through the guide openings; an upper braking structure and a lower braking structure which are at least used for controlling the upper wedge block and the lower wedge block to ascend and brake are arranged between the bottoms of the upper wedge block and the lower wedge block and a bottom plate, and a horizontal braking structure which is used for positioning and horizontally braking the horizontal wedge block is arranged between the middle guide plate and the top plate.
This application starts braking structure from top to bottom under emergency for thereby upper and lower voussoir is followed horizontal voussoir and is upwards slided and is carried the guide rail through the guide rail passageway and realize the braking.
The upper and lower braking structure comprises a supporting plate 81 abutting against the bottom of the upper and lower wedge blocks, a supporting plate 82 fixedly arranged between the two side plates, a guide rod 83 penetrating through the supporting plate and fixedly connected with the supporting plate at the upper end, a starting spring 84 sleeved on the guide rod and connecting the supporting plate and the supporting plate, and a braking component for controlling the starting guide rod to ascend.
The lower part of the guide rod is provided with a notch 831, and the braking component comprises a pull rod which is telescopically inserted into the notch and used for fixing the guide rod and an electromagnet 85 used for controlling the extension of the pull rod.
The supporting plate comprises a main plate portion 811 which is close to the center of the clamp body and connected with the guide rod, and two auxiliary plate portions 812 which are symmetrically extended outwards from the outer sides of the main plate portion and respectively abut against the bottoms of the upper wedge block and the lower wedge block, and notches corresponding to the guide rail channels are formed between the main plate portion and the two auxiliary plate portions.
This application is fixed through the pull rod with upper and lower voussoir pull down through above-mentioned braking structure, form the passageway of great accessible guide rail between the upper and lower voussoir, elevator normal operating, when needs emergency braking, the electro-magnet starts, pull out the pull rod from the notch, the guide bar loses power, go up under the effort of start spring, voussoir rises about the layer board promotes simultaneously, upper and lower voussoir draws close each other under the effect of slope wedge face when the horizontal voussoir rises along upper and lower voussoir, thereby the interval between reduces thereby the realization is cliied the guide rail and is realized braking.
The structure has the advantages of fast braking reaction, good structural stability, high braking efficiency, low failure rate and high use safety.
Example two:
the difference from the above embodiment is that the main plate portion is at least provided with thickened portions 813 corresponding to the bottoms of the two sides of the two auxiliary plate portions, the auxiliary plate portions are integrally connected with the thickened portions through triangular ribs, the support plate is provided with auxiliary holes corresponding to the auxiliary plate portions, and the bottoms of the auxiliary plate portions are provided with auxiliary guide rods 8121 penetrating the auxiliary holes.
The vice board portion is located to the voussoir from top to bottom to can vacate the notch that the space formed through the guide rail, the setting of the foretell vice guide arm of rethread of this application forms stable direction result with the guide bar cooperation, thereby guarantee hang also can stably jack up voussoir from top to bottom and difficult production incline or card die when the vice board portion atress outside the mainboard portion, guarantee high efficiency, the stability of braking.
Example three:
different from the embodiment, a reset component for enabling the upper wedge block and the lower wedge block to reset downwards is further arranged at the bottom of the top plate, the reset component comprises a top push plate 101, a push rod 102, a push spring 103, an insertion rod 104 and an electromagnet 105, the top push plate 101 is fixedly connected to the symmetrical center of the upper surface of the top push plate, the push spring 103 is sleeved on the push rod, the insertion rod 104 is inserted into the push rod from the side face, the electromagnet 105 is used for controlling the extension and retraction of the insertion rod, the reset frame is arranged on the top plate, the top push plate is located below the top plate, the push rod penetrates through the top plate, and the push spring is arranged between the top plate and the top frame plate of the reset frame; a baffle plate 31 used for limiting the guide rod is arranged below the supporting plate, and a touch switch is arranged on the baffle plate.
According to the reset component, after the emergency braking state is finished, the electromagnet can be started, the inserted rod is separated from the pushing rod, the pushing rod pushes the upper wedge block and the lower wedge block downwards under the action of the pushing spring, the upper wedge block and the lower wedge block push the baffle plate to be positioned and simultaneously touch the switch on the baffle plate, the electromagnet is powered off, the electromagnet and the pull rod are not attracted, the spring can be arranged in the electromagnet to push the pull rod to the guide rod, and the pull rod is reset and inserted into the guide rod. The pressure of the biasing spring is greater than the compression force of the activation spring, thereby causing the activation spring to be recompressed.
Example four:
different from the embodiment, the resetting component is arranged at the bottom of the top plate and used for enabling the upper wedge block and the lower wedge block to reset downwards, the resetting component comprises a push plate 101 and a push rod 102, wherein at least two side ends of the push plate are respectively arranged above the two upper wedge blocks and the two lower wedge blocks, the push rod 102 is fixedly connected to the symmetrical center of the upper surface of the push plate, the resetting frame is arranged on the top plate, the push plate is located below the top plate, the push rod penetrates through the top plate, an air cylinder 03 is arranged on a top frame plate of the resetting frame, and a piston rod 04 of the air cylinder is connected with the push rod and used for controlling the push rod to move up and down, so that the upper wedge block and the lower wedge block can be pushed downwards to reset. A baffle 31 used for limiting the guide rod is arranged below the supporting plate, and a touch switch is arranged on the baffle.
Example five:
the fourth difference with the above-mentioned embodiment lies in this application also can establish cylinder 01 on the bottom plate, and the guide bar bottom is connected to piston rod 02, and the cylinder is out of work when the system stops, and the piston rod freely stretches out and draws back, and the cylinder work when the guide bar needs to reset downwards draws piston rod and guide bar downwards. The structure of the baffle can be removed in this mode, and the positioning reset can be realized only by designing the setting of the downward pulling position of the piston rod.
Example six:
the difference between the above embodiments is that the horizontal braking structure includes a U-shaped plate spring 61 whose two ends are respectively abutted against the outer side surfaces of the two horizontal wedges, and a lead screw 62 which penetrates through the side plate and the plate spring from outside to inside and penetrates through the horizontal wedges; the guide screw is in threaded connection with the side plate and is sleeved with the plate spring and the horizontal wedge block in a movable and sliding manner.
The front side and the rear side of the horizontal wedge block are respectively and fixedly provided with an upper wedge block guide plate 63 and a lower wedge block guide plate 63 which extend out of the horizontal inclined wedge surface towards one side of the guide rail channel, and guide rail strips 631 parallel to the horizontal inclined wedge surface are oppositely arranged on the two upper wedge block guide plates and the lower wedge block guide plates; guide grooves 71 are formed in the front side and the rear side of the upper wedge block and the lower wedge block, and the guide rail bars are arranged in the guide grooves and slide along the guide grooves; and a linear motion bearing 9 is clamped between the horizontal inclined wedge surface and the upper and lower inclined wedge surfaces.
The lead screw comprises a lead screw section with a smooth peripheral wall close to the front part and a threaded section with an external thread on the peripheral wall of the rear part.
Through the arrangement of the horizontal braking structure, the guide rail can be stably clamped and instantly buffered, the clamping degree of the guide rail can be guaranteed, the whole structure is good in stability and not easy to damage, the braking is soft, and the strength is high.
Example seven:
in contrast to the above-described embodiments, a limit step 621 is formed between the guide rod segment and the thread segment, and a resilient buffer washer 622 is disposed on the limit step.
The limit step does not work under the normal braking condition, and safety protection in the form of the limit step is only carried out under the fault condition, such as the condition that the horizontal wedge block excessively moves outwards and the plate spring excessively bounces. And a buffering elastic washer can be arranged on the limit step surface for buffering.
Claims (5)
1. The utility model provides an elevator safety tongs device, includes the pincers body and sets up the voussoir subassembly in the pincers body, its characterized in that: the clamp body comprises a top plate (1), two side plates (2), a bottom plate (3) and a middle guide plate (4) which are sequentially arranged from top to bottom, wherein the upper end and the lower end of each side plate are fixedly connected with the top plate and the bottom plate respectively, guide rail channels (5) for passing through elevator guide rails are correspondingly arranged on the front sides of the top plate and the bottom plate up and down, the middle guide plate is arranged between the two side plates, and guide ports (41) with the caliber larger than that of the guide rail channels are arranged on the parts corresponding to the guide rail channels; the wedge blocks comprise two horizontal wedge blocks (6) and two upper and lower wedge blocks (7) which are symmetrically arranged at two sides of the guide rail channel, the upper and lower ends of each horizontal wedge block are abutted against the top plate and the middle guide plate, the upper and lower wedge blocks are arranged between the horizontal wedge blocks, the upper and lower inclined wedge surfaces at the outer sides of the two upper and lower wedge blocks are in one-to-one corresponding sliding connection with the horizontal inclined wedge surfaces at the inner sides of the two horizontal wedge blocks, and the upper and lower wedge blocks penetrate through the guide openings; an upper braking structure and a lower braking structure which are used for controlling the upper wedge block and the lower wedge block to ascend and brake are arranged between the bottoms of the upper wedge block and the lower wedge block and a bottom plate;
the upper and lower braking structures comprise supporting plates (81) abutting against the bottoms of the upper and lower wedge blocks, supporting plates (82) fixedly arranged between the two side plates, guide rods (83) penetrating the supporting plates and fixedly connected with the supporting plates at the upper ends, starting springs (84) sleeved on the guide rods and connecting the supporting plates and the supporting plates, and braking components for controlling the starting guide rods to ascend;
the lower part of the guide rod is provided with a notch (831), and the braking component comprises a pull rod which is telescopically inserted into the notch and used for fixing the guide rod and an electromagnet (85) used for controlling the extension of the pull rod;
the supporting plate comprises a main plate part (811) which is close to the center of the clamp body and is connected with the guide rod and two auxiliary plate parts (812) which symmetrically extend outwards from the outer side of the main plate part and respectively abut against the bottoms of the upper wedge block and the lower wedge block, and a notch corresponding to the guide rail channel is formed between the main plate part and the two auxiliary plate parts;
the main plate part is at least provided with thickened parts (813) corresponding to the bottoms of the two sides of the two auxiliary plate parts, the auxiliary plate parts are integrally connected with the thickened parts through triangular ribs, the supporting plate is provided with auxiliary holes corresponding to the auxiliary plate parts, and the bottoms of the auxiliary plate parts are provided with auxiliary guide rods (8121) penetrating through the auxiliary holes;
the bottom of the top plate is also provided with a reset component for enabling the upper wedge block and the lower wedge block to reset downwards, the reset component comprises a top push plate (101) at least two side ends of which are respectively positioned above the two upper wedge blocks and the lower wedge block, a push rod (102) fixedly connected to the symmetric center of the upper surface of the top push plate, a push spring (103) sleeved on the push rod, an insertion rod (104) inserted into the push rod from the side surface and an electromagnet (105) used for controlling the extension of the insertion rod, the top push plate is positioned below the top plate, the push rod penetrates through the top plate, and the push spring is arranged between the top plate and the top push plate; a baffle (31) used for limiting the guide rod is arranged below the supporting plate, and a touch switch is arranged on the baffle.
2. An elevator safety gear arrangement according to claim 1, characterized in that: the horizontal braking structure comprises a U-shaped plate spring (61) with the inner sides of two ends respectively abutting against the outer side surfaces of the two horizontal wedges, and a guide screw rod (62) which penetrates through the side plate and the plate spring from outside to inside and penetrates through the horizontal wedges; the guide screw is in threaded connection with the side plate and is sleeved with the plate spring and the horizontal wedge block in a movable and sliding manner.
3. An elevator safety gear arrangement according to claim 2, characterized in that: the front side and the rear side of the horizontal wedge block are respectively and fixedly provided with an upper wedge block guide plate and a lower wedge block guide plate (63) which extend out of the horizontal inclined wedge surface towards one side of the guide rail channel, and guide rail strips (631) which are parallel to the horizontal inclined wedge surface are oppositely arranged on the two upper wedge block guide plates and the lower wedge block guide plates; guide grooves (71) are formed in the front side and the rear side of the upper wedge block and the lower wedge block, and the guide rail bar is arranged in the guide grooves and slides along the guide grooves; and a linear motion bearing (9) is clamped between the horizontal inclined wedge surface and the upper and lower inclined wedge surfaces.
4. An elevator safety gear arrangement according to claim 3, characterized in that: the lead screw comprises a lead screw section with a smooth peripheral wall close to the front part and a threaded section with an external thread on the peripheral wall of the rear part.
5. An elevator safety gear arrangement according to claim 4, characterized in that: a limit step (621) is formed between the guide rod section and the thread section, and an elastic buffer gasket (622) is arranged on the limit step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813055.8A CN107473049B (en) | 2017-09-11 | 2017-09-11 | Elevator safety tongs device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813055.8A CN107473049B (en) | 2017-09-11 | 2017-09-11 | Elevator safety tongs device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107473049A CN107473049A (en) | 2017-12-15 |
| CN107473049B true CN107473049B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813055.8A Active CN107473049B (en) | 2017-09-11 | 2017-09-11 | Elevator safety tongs device |
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| CN (1) | CN107473049B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2887940B2 (en) * | 2020-06-23 | 2023-01-26 | Orona S Coop | Safety brake for elevator, lifting apparatus comprising the safety brake, and method of braking an elevator apparatus by means of said safety brake |
| CN112723058A (en) * | 2021-01-04 | 2021-04-30 | 罗三定 | Inequality leveling system of lifting platform |
| CN117775920B (en) * | 2024-02-02 | 2024-06-14 | 伟龙意程智能科技(江苏)有限公司 | Elevator safety tongs aggregate unit |
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| EP0812796A1 (en) * | 1996-06-11 | 1997-12-17 | Mitsubishi Denki Kabushiki Kaisha | Safety apparatus for elevator |
| JP2004338901A (en) * | 2003-05-16 | 2004-12-02 | Mitsubishi Electric Corp | Emergency stop device for elevator |
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| CN207293864U (en) * | 2017-09-11 | 2018-05-01 | 恒达富士电梯有限公司 | A kind of elevator safety clamp device |
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| EP1670710B1 (en) * | 2003-10-07 | 2010-12-15 | Otis Elevator Company | Remotely resettable ropeless emergency stopping device for an elevator |
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| CN107473049A (en) | 2017-12-15 |
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Denomination of invention: An elevator safety gear device Effective date of registration: 20231111 Granted publication date: 20230317 Pledgee: Nanxun Rural Commercial Bank of Zhejiang, Limited by Share Ltd. Pledgor: HENGDA FUJI ELEVATOR Co.,Ltd. Registration number: Y2023330002600 |