CN220115995U - Bidirectional safety tongs for elevator - Google Patents
Bidirectional safety tongs for elevator Download PDFInfo
- Publication number
- CN220115995U CN220115995U CN202321438843.0U CN202321438843U CN220115995U CN 220115995 U CN220115995 U CN 220115995U CN 202321438843 U CN202321438843 U CN 202321438843U CN 220115995 U CN220115995 U CN 220115995U
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- spout
- mount pad
- elevator
- inlay
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 5
- 238000009434 installation Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a bidirectional safety tongs for an elevator, which relates to the field of elevator safety and is characterized in that: including the mount pad and set up the lifting device in the mount pad top, be provided with the inlay that two sliding track alternately set up on the mount pad, two first spouts have been seted up to the mount pad, mount pad one side is provided with the drive plate, and the drive plate is provided with two second spouts, and two inlays all are provided with the slide, and the sliding track of an inlay in first spout and the sliding track alternately on the second spout form X word shape, and the drive plate bottom is provided with supporting component. According to the utility model, the mounting seat and the driving plate for mounting the two inlays are arranged, the first sliding groove arranged on the mounting seat and the second sliding groove arranged on the driving plate are crossed to form an X-shaped, so that when the two inlays can clamp a track, the effects of ascending and descending during stopping are achieved, the two inlays can be completely and bidirectionally stopped, and the mounting and the use are convenient.
Description
Technical Field
The utility model relates to the field of elevator safety, in particular to a bidirectional elevator safety tongs.
Background
In order to prevent an elevator from ascending or descending too fast and causing accidents, safety tongs are generally arranged at two ends of a lower beam, when a car is overspeed, a speed limiter arranged in an elevator shaft drives the safety tongs to act, a rail is clamped to stop the car, an elevator braking device in the prior art generally realizes clamping of the rail through sliding of triangular wedge blocks, and is generally divided into an ascending overspeed braking safety tongs system and a descending overspeed braking safety tongs system, the clamping of a single wedge block in two directions of a guide rail cannot be completed, two sets of system equipment are huge, and the installation is inconvenient and even difficult when the space of the shaft is narrow.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the elevator bidirectional safety tongs, which are provided with the mounting seat and the driving plate for mounting two inlays, wherein the first sliding groove arranged on the mounting seat and the second sliding groove arranged on the driving plate are crossed to form an X-shaped, so that when the two inlays can clamp a track, the effect of ascending and descending during stopping is achieved, and the two inlays can be completely and bidirectionally stopped by the structure, thereby being convenient to mount and use.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a two-way safety tongs of elevator, includes the mount pad and sets up the lifting device in the mount pad top, be provided with the inlay that two sliding track alternately set up on the mount pad, the mount pad has been seted up two first spouts that are used for installing two inlays respectively, mount pad one side is provided with vertical gliding drive plate, the drive plate is provided with two second spouts opposite with two first spout directions respectively, two the inlay all is provided with the slide that corresponds with the second spout, one the inlay is at the sliding track of first spout and the sliding track alternately form X word shape on the second spout, the top of drive plate is provided with the rope, the rope is connected with lifting device through passing the roller bearing, the drive plate bottom is provided with supporting component.
The utility model is further provided with: the support assembly comprises four support rods rotatably arranged at the bottom end of a driving plate, two mounting shafts used for mounting the four support rods are arranged at the bottom end of the driving plate, one ends of the support rods are rotatably arranged on one mounting shaft, the four support rods are arranged at one ends of the support rods away from the mounting shafts, support plates corresponding to the support rods are arranged on mounting seats, third sliding grooves used for mounting the support portions are formed in the support plates, the third sliding grooves corresponding to the two support rods arranged on the same mounting shaft are in an inverted splayed shape, and support pieces used for limiting the support portions to slide towards the bottom ends of the third sliding grooves are arranged at the top ends of the third sliding grooves.
The utility model is further provided with: the third sliding groove is internally provided with a mounting groove, the supporting piece is arranged in the mounting groove in a sliding mode, and the mounting groove is internally provided with an elastic piece for driving the supporting piece to be far away from the mounting groove.
The utility model is further provided with: the support piece is provided with smooth inclined planes, and the smooth inclined planes face the bottom end of the third slideway.
The utility model is further provided with: a limiting plate moving along the slideway direction is arranged in the first chute, a horizontal through hole is arranged on the limiting plate, a limiting column corresponding to the slotted hole is arranged on the inlay, the one end that inlay was kept away from to the spacing post is provided with the spacing ring, offered spacing channel in the first spout, the degree of depth of spacing channel is greater than the height of spacing ring.
In summary, the utility model has the following beneficial effects:
when the elevator rises or falls beyond the speed limit, the rope is pulled by the lifting device, and because the rope is wound on the roller, no matter the lifting device pulls the rope upwards or downwards, the rope can pull the driving plate to rise, so that the inserts are pressed by the second sliding groove and the first sliding groove on the driving plate to rise and are close to each other simultaneously, the two inserts clamp the tracks, if the rising speed of the elevator car exceeds the preset value, the two inserts and the two second sliding grooves on the driving plate mutually press the tracks, and meanwhile, the supporting component supports the driving plate, so that the elevator car is limited to rise, if the falling speed of the elevator car exceeds the preset value, the inlay and the two first sliding grooves on the driving plate mutually press the tracks, and thus the elevator car is stopped, the elevator can be stopped when the rising or falling speed of the elevator car exceeds the preset value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the rope according to the utility model in a concealed state;
fig. 3 is an exploded view of the rope of the present utility model in a concealed state;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the structure of the drive plate, inlay and support assembly of this utility model;
FIG. 6 is a schematic view of the structure of the mount and inlay of the present utility model;
FIG. 7 is a schematic view of the structure of the inlay of the present utility model.
In the figure: 1. a mounting base; 2. inlay; 3. a first chute; 4. a driving plate; 5. a second chute; 6. a slide plate; 7. a rope; 8. a support assembly; 9. a support rod; 10. a support plate; 11. a third chute; 12. a support; 13. a mounting groove; 14. an elastic member; 15. a limiting plate; 16. a limit column; 17. and a limiting ring.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings and examples.
The utility model provides an elevator two-way safety tongs, as shown in fig. 1-7, including mount pad 1 and the pulling device of setting in mount pad 1 top, be provided with inlay 2 that two sliding track alternately set up on mount pad 1, mount pad 1 has seted up two first spouts 3 that are used for installing two inlays 2 respectively, mount pad 1 one side is provided with vertical gliding driver plate 4, driver plate 4 is provided with two second spouts 5 that are opposite with two first spouts 3 respectively, two inlays 2 all are provided with slide 6 that correspond with second spout 5, the sliding track of inlay 2 on first spout 3 and the sliding track alternately form the X shape on second spout 5, the top of driver plate 4 is provided with rope 7, rope 7 is connected with the pulling device through passing the roller bearing, the driver plate 4 bottom is provided with supporting component 8.
In the above embodiment, when the elevator rises or falls beyond the speed limit, the rope 7 is pulled by the pulling device, and since the rope 7 is wound on the roller, the rope 7 pulls the driving plate 4 to rise no matter the pulling device pulls the rope 7 upwards or downwards, so that the inserts are pressed by the second sliding groove 5 and the first sliding groove 3 on the driving plate 4 to rise and approach each other, so that the two inserts clamp the track, if the rising speed of the car exceeds the preset value, the two inserts 2 and the two second sliding grooves 5 on the driving plate 4 press the track each other, and meanwhile, the supporting component 8 supports the driving plate 4, so that the inserts limit the rising of the car, if the falling speed of the car exceeds the preset value, the two first sliding grooves 3 on the driving plate 4 press the track each other, so that the car is stopped, and the device can stop the car rising or falling at the preset value, and the two inserts 2 can be completely and bidirectionally stopped.
Specifically, the supporting component 8 is including rotating four bracing pieces 9 of installing in the drive plate 4 bottom, the drive plate 4 bottom is provided with two installation axles that are used for installing four bracing pieces 9, the one end of two bracing pieces 9 is rotated and is installed on an installation axle, the one end that installation axle was kept away from to four bracing pieces 9 is provided with supporting part, mount pad 1 is provided with the backup pad 10 that corresponds with bracing piece 9, the third spout 11 that is used for installing supporting part has been seted up to backup pad 10, the third spout 11 that corresponds of two bracing pieces 9 that set up on same installation axle is the splayed, third spout 11 top is provided with and is used for restricting the gliding support piece 12 of supporting part towards third spout 11 bottom. The third chute 11 is provided with a mounting groove 13, the support 12 is slidably arranged in the mounting groove 13, and an elastic member 14 for driving the support 12 away from the mounting groove 13 is arranged in the mounting groove 13.
In the above embodiment, when the driving plate 4 is lifted, the four supporting rods 9 below are driven to lift, and when one end of the supporting rod 9 far away from the driving plate 4 slides to the supporting piece 12 along the third sliding groove 11, the supporting part extrudes the supporting piece 12 into the mounting groove 13, the supporting part continues to slide to the uppermost part of the third sliding groove 11, at this time, the supporting piece 12 pushes out the mounting groove 13 through the elastic piece 14, and the supporting part 12 supports the supporting part, so as to achieve the purpose of fixing the driving plate 4, at this time, the two inlays 2 are extruded by the driving plate 4 and the mounting seat 1 to clamp the track, and because the third sliding groove 11 corresponding to the two supporting rods 9 arranged on the same mounting shaft is in an inverted splayed shape, the bottom ends of the two supporting rods 9 are fixed, and then a triangular supporting part is formed.
In particular, the support 12 is provided with a smooth bevel, which faces towards the bottom end of the third slide.
In the above embodiment, the support 12 is provided with a smooth slope toward the bottom end of the third slide, so that the support 12 presses the support 12 better.
Specifically, a limiting plate 15 moving along the slideway direction of the first sliding groove 3 is arranged in the first sliding groove 3, a horizontal through hole is formed in the limiting plate 15, a limiting column 16 corresponding to the slotted hole is arranged on the inlay 2, a limiting ring 17 is arranged at one end, far away from the inlay 2, of the limiting column 16, a limiting channel is formed in the first sliding groove 3, and the width of the limiting channel is larger than that of the limiting ring 17.
In the above embodiment, when the rising speed is too fast, as the insert rubs with the track, the surface has certain abrasion, the insert needs to slide down along the second chute 5 continuously, at this time, the insert and the first chute 3 are provided with the horizontal limit post 16, the limit post 16 is arranged in the through hole of the limit plate 15 in a sliding way, one end of the limit post 16 is provided with the limit ring 17, the first chute 3 is internally provided with the limit channel corresponding to the limit ring 17, and the depth of the limit channel is greater than the height of the limit ring 17, so that the insert can slide along the depth direction of the first chute 3, and the two inserts can better clamp the track.
Working principle:
when the elevator rises or falls beyond the speed limit, the rope 7 is pulled by the pulling device, and as the rope 7 is wound on the roller, no matter the pulling device pulls the rope 7 upwards or downwards, the rope 7 pulls the driving plate 4 to rise, four supporting rods 9 below the driving plate 4 move upwards along with a third sliding groove 11 on the supporting plate 10, the supporting parts on the supporting plate 10 and supporting parts 12 in the third sliding groove 11 are mutually extruded, so that the supporting parts 12 stretch into the mounting groove 13, the supporting parts slide along the third sliding groove 11 and are far away from the supporting parts 12, the elastic parts 14 push the supporting parts 12 to pop up, the supporting parts 12 support the supporting parts, the driving plate 4 cannot fall, meanwhile, the inserts are simultaneously extruded and risen by the second sliding groove 5 on the driving plate 4 and the first sliding groove 3 on the mounting seat 1 and are mutually close, make two inserts clamp the track, if two inlays 2 and two second spouts 5 on the drive plate 4 each other extrude the track if the car rises the speed and surpass the predetermined value, support assembly 8 supports drive plate 4 simultaneously, make the insert restriction car rise, if inlay 2 and two first spouts 3 on the drive plate 4 each other extrude the track when the car descends the speed and surpass the predetermined value, thereby stop the car, make the device can stop to the car rising or descending speed and surpass the predetermined value time, two inlays 2 of this structure can complete two-way system stop, the device is small and exquisite to be convenient for install and use, this structure can stop rising and make simultaneously stop and descend.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. The utility model provides a two-way safety tongs of elevator, includes mount pad (1) and sets up the lifting device in mount pad (1) top, be provided with inlay (2) that two sliding track alternately set up on mount pad (1), its characterized in that: the utility model discloses a mounting seat, including mount pad, drive board (4), slide, support assembly (8) are provided with two first spouts (3) that are used for installing two inlays (2) respectively, mount pad (1) one side is provided with vertical gliding drive board (4), drive board (4) are provided with two second spouts (5) opposite with two first spouts (3) respectively, two inlay (2) all are provided with slide (6) that correspond with second spout (5), one inlay (2) slide track on first spout (3) and slide track cross formation X word shape on second spout (5), the top of drive board (4) is provided with rope (7), rope (7) are connected with lifting device through passing the roller bearing, drive board (4) bottom is provided with supporting component (8).
2. The elevator bi-directional safety gear according to claim 1, wherein: the utility model provides a support assembly (8) is including rotating four bracing pieces (9) of installing in drive plate (4) bottom, drive plate (4) bottom is provided with two installation shafts that are used for installing four bracing pieces (9), two the one end rotation of bracing piece (9) is installed on an installation shaft, four bracing piece (9) are kept away from the one end of installation shaft and are provided with supporting part, mount pad (1) are provided with backup pad (10) that correspond with bracing piece (9), third spout (11) that are used for installing supporting part have been seted up to backup pad (10), set up same three spout (11) that two bracing pieces (9) correspond on the installation shaft are the reverse splayed, third spout (11) top is provided with and is used for restriction supporting part gliding support piece (12) towards third spout (11) bottom.
3. The elevator bi-directional safety gear according to claim 2, wherein: the third sliding groove (11) is internally provided with a mounting groove (13), the supporting piece (12) is slidably arranged in the mounting groove (13), and the mounting groove (13) is internally provided with an elastic piece (14) for driving the supporting piece (12) to be far away from the mounting groove (13).
4. The elevator bi-directional safety gear according to claim 3, wherein: the support (12) is provided with a smooth bevel, which is oriented towards the third slideway bottom end.
5. The elevator bi-directional safety gear according to claim 4, wherein: be provided with limiting plate (15) along its slide direction removal in first spout (3), horizontal through-hole has been seted up to limiting plate (15), be provided with on inlay (2) with spacing post (16) that the slotted hole corresponds, the one end that inlay (2) were kept away from to spacing post (16) is provided with spacing ring (17), the spacing channel has been seted up in first spout (3), the degree of depth of spacing channel is greater than the height of spacing ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438843.0U CN220115995U (en) | 2023-06-07 | 2023-06-07 | Bidirectional safety tongs for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438843.0U CN220115995U (en) | 2023-06-07 | 2023-06-07 | Bidirectional safety tongs for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220115995U true CN220115995U (en) | 2023-12-01 |
Family
ID=88892061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321438843.0U Active CN220115995U (en) | 2023-06-07 | 2023-06-07 | Bidirectional safety tongs for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220115995U (en) |
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2023
- 2023-06-07 CN CN202321438843.0U patent/CN220115995U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |