CN214692764U - Lifting mechanism of elevator safety tongs - Google Patents
Lifting mechanism of elevator safety tongs Download PDFInfo
- Publication number
- CN214692764U CN214692764U CN202120742498.4U CN202120742498U CN214692764U CN 214692764 U CN214692764 U CN 214692764U CN 202120742498 U CN202120742498 U CN 202120742498U CN 214692764 U CN214692764 U CN 214692764U
- Authority
- CN
- China
- Prior art keywords
- elevator
- wire rope
- connection pad
- safety tongs
- transfer line
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an elevator safety tongs's lifting mechanism, it includes the elevator railway carriage or compartment body, the fixed connection pad that is equipped with in elevator railway carriage or compartment body top, the connection pad symmetry run through and be equipped with the transfer line, the junction of transfer line and connection pad be equipped with pivot one, the other end of transfer line rotate to connect and be equipped with the wire rope connecting block, wire rope connecting block fixed connection on wire rope, two the transfer line one end of keeping away from the wire rope connecting block rotate to connect and be equipped with the spring post, the upper end of spring post fix the upper wall at the connection pad, the lower extreme rotates to connect and is equipped with 4 rotor arms, the rotor arm run through the connection pad, connection pad and rotor arm junction are equipped with one-way gear, four one-way gear pass through the connecting rod and connect on the safety tongs on the elevator railway carriage or compartment body. The utility model relates to a mechanism is carried to elevator safety tongs that practicality is strong, the security is high, stability is high.
Description
Technical Field
The utility model relates to an elevator field specifically indicates a lift mechanism of elevator safety tongs.
Background
Safety tongs are the safety arrangement of elevator. The elevator safety gear device is a safety device which emergently stops a car and clamps the car on a guide rail under the operation of a speed limiter when the speed of an elevator exceeds the set limit speed of the speed limiter of the elevator or in the case of breakage and looseness of a suspension rope. It provides effective protection for the safe operation of the elevator. However, the existing safety gear lifting mechanism generally adopts a single-rod single-shaft winding mechanism, when the safety gear lifting mechanism is used, a lifting rod is driven by a speed limiter steel wire rope connecting piece, the lifting rod lifts a wedge block in the safety gear on one side of an elevator car, the wedge block in the safety gear on the other side of the elevator car needs a pull rope connected with the lifting rod to lift, the stress is unbalanced, the wedge block on one side is lifted, the wedge block on the other side is not lifted or is lifted in a delayed manner, and the danger is increased; and when the stress is unbalanced, the pull rope is easy to break, so that the wedge block in the safety tongs cannot be lifted, or the pull rope is broken when the wedge block is not in contact with the guide rail after being lifted, so that the safety tongs cannot play a role, and the structural stability is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to solve above problem, provide a practicality strong, the security is high, the high lifting mechanism of elevator safety tongs of stability.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an elevator safety tongs's lifting mechanism, it includes the elevator railway carriage or compartment body, the elevator railway carriage or compartment body top fixed connection pad that is equipped with, the connection pad symmetry run through and be equipped with the transfer line, the junction of transfer line and connection pad be equipped with pivot one, the other end of transfer line rotate to connect and be equipped with the wire rope connecting block, wire rope connecting block fixed connection on wire rope, two the transfer line one end of keeping away from the wire rope connecting block rotate to be connected and be equipped with the spring post, the upper end of spring post fix the upper wall at the connection pad, the lower extreme rotates to be connected and is equipped with 4 rotor arms, the rotor arm run through the connection pad, connection pad and rotor arm junction are equipped with one-way gear, four one-way gear pass through the connecting rod and connect the safety tongs on the elevator railway carriage or compartment body.
As an improvement, a second rotating shaft is arranged at the joint of the connecting rod and the transmission rod.
As an improvement, the safety tongs are symmetrically fixed on the outer wall surfaces of the left side and the right side of the elevator cage body.
As an improvement, the connecting rod is connected with a triggering mechanism of the safety gear.
As an improvement, the steel wire ropes are symmetrically arranged on two sides of the elevator cage. This design can greatly increase the stability and safety of the device.
Compared with the prior art, the utility model the advantage lie in: this device is equipped with the connection pad, the connection pad symmetry run through and be equipped with the transfer line, the junction of transfer line and connection pad be equipped with pivot one, the other end of transfer line rotate to connect and be equipped with the wire rope connecting block, wire rope connecting block fixed connection on wire rope, two the transfer line keep away from the one end of wire rope connecting block and rotate to connect and be equipped with the spring post, the upper end of spring post fix the upper wall at the connection pad, the lower extreme rotates to connect and is equipped with 4 rotor arms, the rotor arm run through the connection pad, connection pad and rotor arm junction be equipped with one-way gear, four one-way gear pass through the connecting rod and connect on the safety tongs on the elevator railway carriage body. When the elevator runs, the steel wire rope is pulled to drive the transmission rod to move upwards, the spring column is pressed downwards through the rotating shaft I, the spring column drives the rotating arm to move downwards, the connecting rod moves downwards to trigger the safety tongs to work, and the connecting rod can be fixed in the same state through the restoring force of the one-way gear and the spring column. The design is strong in practicability, high in safety and high in stability.
Drawings
Fig. 1 is a schematic structural diagram of a lifting mechanism of an elevator safety gear of the present invention.
As shown in the figure: 1. the elevator car body, 2, connection pad, 3, transfer line, 4, pivot one, 5, wire rope connecting block, 6, wire rope, 7, spring post, 8, rotor arm, 9, one-way gear, 10, connecting rod, 11, safety tongs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawing 1, as shown in the drawing, the elevator car comprises an elevator car body 1, a connecting disc 2 is fixedly arranged above the elevator car body 1, a transmission rod 3 penetrates through the connecting disc 2, a rotating shaft 4 is arranged at the joint of the transmission rod 3 and the connecting disc 2, a steel wire rope connecting block 5 is rotatably connected to the other end of the transmission rod 3, the steel wire rope connecting block 5 is fixedly connected to a steel wire rope 6, and the steel wire rope 6 is symmetrically arranged on two sides of the elevator car body 1. The elevator car is characterized in that one end, far away from the steel wire rope connecting block 5, of the transmission rod 3 is rotatably connected with a spring column 7, the upper end of the spring column 7 is fixed to the upper wall of the connecting disc 2, the lower end of the spring column 7 is rotatably connected with 4 rotating arms 8, the rotating arms 8 penetrate through the connecting disc 2, one-way gears 9 are arranged at the connecting positions of the connecting disc 2 and the rotating arms 8, and the four one-way gears 9 are connected with safety tongs 11 on the elevator car body 1 through connecting rods 10. The safety gear 11 is symmetrically fixed on the outer wall surfaces of the left side and the right side of the elevator cage body 1. And a second rotating shaft 12 is arranged at the joint of the connecting rod 10 and the transmission rod 3. The connecting rod 10 is connected with a triggering mechanism of the safety gear 11.
The utility model discloses when concrete implementation, this device is equipped with connection pad 2, 2 symmetries of connection pad run through and be equipped with transfer line 3, transfer line 3 be equipped with pivot 4 with connection pad 2's junction, the other end of transfer line 3 rotate to connect and be equipped with wire rope connecting block 5, 5 fixed connection of wire rope connecting block on wire rope 6, two transfer line 3 keep away from the one end of wire rope connecting block 5 and rotate to connect and be equipped with spring post 7, the upper end of spring post 7 fix at the upper wall of connection pad 2, the lower extreme rotates to connect and is equipped with 4 rotor arms 8, rotor arms 8 run through connection pad 2, connection pad 2 and rotor arms 8 junction are equipped with one-way gear 9, four one-way gear 9 pass through connecting rod 10 and connect on the safety tongs 11 on the elevator railway carriage body 1. When the elevator runs, the steel wire rope 6 is pulled to drive the transmission rod 3 to move upwards, the spring column 7 is pressed downwards through the rotating shaft I4, the spring column 7 drives the rotating arm 8 to move downwards, the connecting rod 10 moves downwards to trigger the safety tongs 11 to work, and the connecting rod 10 can be fixed in the same state through the restoring force of the one-way gear 9 and the spring column 7. The design is strong in practicability, high in safety and high in stability.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a mechanism is carried to lift of elevator safety tongs which characterized in that: the elevator car comprises an elevator car body (1), a connecting disc (2) is fixedly arranged above the elevator car body (1), a transmission rod (3) penetrates through the connecting disc (2), a first rotating shaft (4) is arranged at the joint of the transmission rod (3) and the connecting disc (2), a steel wire rope connecting block (5) is rotatably connected to the other end of the transmission rod (3), the steel wire rope connecting block (5) is fixedly connected to a steel wire rope (6), a spring column (7) is rotatably connected to one end, far away from the steel wire rope connecting block (5), of the transmission rod (3), the upper end of the spring column (7) is fixed to the upper wall of the connecting disc (2), 4 rotating arms (8) are rotatably connected to the lower end of the spring column, the rotating arms (8) penetrate through the connecting disc (2), and one-way gears (9) are arranged at the joint of the connecting disc (2) and the rotating arms (8), the four one-way gears (9) are connected with safety tongs (11) on the elevator carriage body (1) through connecting rods (10).
2. A lifting mechanism of elevator safety gear according to claim 1, characterized in that: and a second rotating shaft (12) is arranged at the joint of the connecting rod (10) and the transmission rod (3).
3. A lifting mechanism of elevator safety gear according to claim 1, characterized in that: the safety gear (11) is symmetrically fixed on the outer wall surfaces of the left side and the right side of the elevator car body (1).
4. A lifting mechanism of elevator safety gear according to claim 1, characterized in that: the connecting rod (10) is connected with a triggering mechanism of the safety gear (11).
5. A lifting mechanism of elevator safety gear according to claim 1, characterized in that: the steel wire ropes (6) are symmetrically arranged on two sides of the elevator car body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120742498.4U CN214692764U (en) | 2021-04-13 | 2021-04-13 | Lifting mechanism of elevator safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120742498.4U CN214692764U (en) | 2021-04-13 | 2021-04-13 | Lifting mechanism of elevator safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214692764U true CN214692764U (en) | 2021-11-12 |
Family
ID=78530783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120742498.4U Expired - Fee Related CN214692764U (en) | 2021-04-13 | 2021-04-13 | Lifting mechanism of elevator safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214692764U (en) |
-
2021
- 2021-04-13 CN CN202120742498.4U patent/CN214692764U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |