CN209906256U - Elevator brake - Google Patents
Elevator brake Download PDFInfo
- Publication number
- CN209906256U CN209906256U CN201920477684.2U CN201920477684U CN209906256U CN 209906256 U CN209906256 U CN 209906256U CN 201920477684 U CN201920477684 U CN 201920477684U CN 209906256 U CN209906256 U CN 209906256U
- Authority
- CN
- China
- Prior art keywords
- brake
- plate
- fixed
- brake block
- ring groove
- 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.)
- Active
Links
Images
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an elevator brake, including driving sheave, fixed plate, braking plate, the fixed plate is equipped with two and is located the both sides of driving sheave circumference, the edge of driving sheave is the inclined plane setting, be equipped with the traction ring groove on the periphery of driving sheave, be equipped with the coil annular on the fixed plate and the terminal surface that the driving sheave is relative, be fixed with the telescopic link on the fixed plate, the other end of telescopic link is fixed mutually with one end of braking plate, the cover is equipped with reset spring on the telescopic link, be equipped with the brake block fixed slot on the other terminal surface of braking plate, be equipped with V-arrangement brake block in this brake block fixed slot; the utility model provides an elevator brake has the advantage that the braking reaction is fast and simple structure, when the brake block wearing and tearing condition appears, can ensure braking efficiency through adjusting the brake stroke, has improved the life of brake block.
Description
Technical Field
The utility model belongs to the technical field of the elevator, be an elevator stopper particularly.
Background
The elevator brake is an important safety device of the elevator, and the safety and the reliability of the elevator brake are one of important factors for ensuring the safe operation of the elevator; when the elevator moves to a designated floor, the electric control unit sends an electric signal to control the brake to be in contact with the traction sheave, so that the elevator car moving fast stops at a designated position.
Chinese patent document 201821235570 discloses an improved elevator brake, which is the most common elevator brake structure in the prior art, and mainly comprises a tile-shaped brake pad and a traction sheave, which are rubbed with each other to perform the braking function. The braking mode has the defects that the tile-shaped brake block has a certain length, so that a large installation space is required, and the stable operation and later maintenance of the equipment are not facilitated; after long-term use, the brake efficiency is greatly reduced after the brake block is worn to a certain degree, and normal braking of the elevator can be ensured only by replacing a new brake block.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect that above-mentioned prior art exists, the utility model provides an elevator stopper has the fast and simple structure's of braking reaction advantage, when the wearing and tearing condition appears in the brake block, can ensure braking efficiency through adjusting the brake stroke, has improved the life of brake block.
The technical scheme of the utility model is realized like this:
an elevator brake comprises a traction sheave, a fixed plate and a brake plate, wherein the fixed plate is provided with two fixed plates which are positioned at two sides of the circumferential direction of the traction sheave;
the edge of the traction sheave is arranged in an inclined plane, a traction ring groove is formed in the circumferential surface of the traction sheave, a traction rope is arranged in the traction ring groove, a coil ring groove is formed in the end surface, opposite to the traction sheave, of the fixing plate, an electromagnetic coil is arranged in the coil ring groove, a telescopic rod is fixed on the fixing plate, one end of the telescopic rod is fixed in the circle center of the electromagnetic coil ring groove, the other end of the telescopic rod is fixed with one end of the brake plate, a reset spring is sleeved on the telescopic rod, an annular magnetic metal plate is attached to the end surface, opposite to the fixing plate, of the brake plate, the annular magnetic metal plate is opposite to the electromagnetic coil, a brake block fixing groove is formed in the other end surface of the brake plate, a V-shaped brake block is arranged in the brake block fixing groove, and the;
the two sides of the brake plate are provided with guide holes, an adjusting screw rod is fixed on the fixing plate, one end of the adjusting screw rod penetrates through the guide holes, and a screwing nut is arranged on the section of the adjusting screw rod penetrating out of the guide holes.
In the utility model discloses in, the edge of driving sheave is equipped with the wearing layer.
The utility model discloses in, the cover is equipped with auxiliary spring on the adjusting screw.
Compared with the prior art, implement the utility model provides an elevator brake has following beneficial effect:
1. the dragging rope is placed in the dragging ring groove, and the brake block cannot be in contact with the dragging rope when in contact with the dragging wheel, so that the safety coefficient of equipment in operation is improved.
2. The edge of driving sheave is the inclined plane setting, and this inclined plane section combines together with the brake block of V-arrangement, can reach the purpose of laminating braking fast, compares with conventional arc tile form brake block, and two sides of V-arrangement brake block can both contact with the both sides face of driving sheave, has better braking efficiency.
3. The adjusting screw rod plays a guiding role on one hand, so that the resetting of the brake plate is more stable, and meanwhile, the adjusting screw rod also can play a role in adjusting the brake stroke, and after the brake block is worn, the stroke of the brake plate needs to be adaptively increased.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the fixing plate and the braking plate in fig. 1.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The elevator brake as shown in fig. 1-2 comprises a traction sheave 1, a fixed plate 2, and a brake plate 3, and the fixed plate 2 is provided with two and located at both sides of the circumferential direction of the traction sheave 1.
The edge of the traction sheave 1 is arranged in an inclined plane, a traction ring groove 11 is arranged on the circumferential surface of the traction sheave 1, and a traction rope is arranged in the traction ring groove 11. The dragging rope is placed in the dragging ring groove, and the brake block cannot be in contact with the dragging rope when in contact with the dragging wheel, so that the safety coefficient of equipment in operation is improved.
The end face of the fixed plate 2 opposite to the traction sheave 1 is provided with a coil ring groove, an electromagnetic coil 21 is arranged in the coil ring groove, a telescopic rod 22 is fixed on the fixed plate 2, one end of the telescopic rod 22 is fixed at the circle center of the electromagnetic coil ring groove, the other end of the telescopic rod 22 is fixed with one end of the brake plate 3, a return spring 23 is sleeved on the telescopic rod 22, an annular magnetic metal plate 31 is attached to the end face of the brake plate 3 opposite to the fixed plate 2, the annular magnetic metal plate 31 is opposite to the electromagnetic coil 21, a brake block fixing groove is arranged on the other end face of the brake plate 3, a V-shaped brake block 32 is arranged in the brake block fixing groove, and the V-shaped brake block 32 is opposite to the.
The edge of driving sheave is the inclined plane setting, and this inclined plane section combines together with the brake block of V-arrangement, can reach the purpose of laminating braking fast, compares with conventional arc tile form brake block, and two sides of V-arrangement brake block can both contact with the both sides face of driving sheave, has better braking efficiency.
Two sides of the braking plate 3 are provided with guide holes, an adjusting screw 24 is fixed on the fixing plate 2, one end of the adjusting screw 24 passes through the guide holes, and a screwing nut 25 is arranged on the section of the adjusting screw 24 which passes through the guide holes.
The adjusting screw rod plays a guiding role on one hand, so that the resetting of the brake plate is more stable, and meanwhile, the adjusting screw rod also can play a role in adjusting the brake stroke, and after the brake block is worn, the stroke of the brake plate needs to be adaptively increased.
In this solution, the traction sheave 1 is provided with a wear layer at its edge.
In this embodiment, the adjusting screw 24 is sleeved with an auxiliary spring (not shown).
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An elevator brake comprises a traction sheave, a fixed plate and a brake plate, wherein the fixed plate is provided with two fixed plates which are positioned at two sides of the circumferential direction of the traction sheave;
the edge of the traction sheave is arranged in an inclined plane, a traction ring groove is formed in the circumferential surface of the traction sheave, a traction rope is arranged in the traction ring groove, a coil ring groove is formed in the end surface, opposite to the traction sheave, of the fixing plate, an electromagnetic coil is arranged in the coil ring groove, a telescopic rod is fixed on the fixing plate, one end of the telescopic rod is fixed in the circle center of the electromagnetic coil ring groove, the other end of the telescopic rod is fixed with one end of the brake plate, a reset spring is sleeved on the telescopic rod, an annular magnetic metal plate is attached to the end surface, opposite to the fixing plate, of the brake plate, the annular magnetic metal plate is opposite to the electromagnetic coil, a brake block fixing groove is formed in the other end surface of the brake plate, a V-shaped brake block is arranged in the brake block fixing groove, and the;
the two sides of the brake plate are provided with guide holes, an adjusting screw rod is fixed on the fixing plate, one end of the adjusting screw rod penetrates through the guide holes, and a screwing nut is arranged on the section of the adjusting screw rod penetrating out of the guide holes.
2. An elevator brake according to claim 1, characterized in that the edge of the traction sheave is provided with a wear layer.
3. An elevator brake as defined in claim 2, characterized in that the adjusting screw is provided with an auxiliary spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477684.2U CN209906256U (en) | 2019-04-10 | 2019-04-10 | Elevator brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477684.2U CN209906256U (en) | 2019-04-10 | 2019-04-10 | Elevator brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209906256U true CN209906256U (en) | 2020-01-07 |
Family
ID=69035697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920477684.2U Active CN209906256U (en) | 2019-04-10 | 2019-04-10 | Elevator brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209906256U (en) |
-
2019
- 2019-04-10 CN CN201920477684.2U patent/CN209906256U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201136755Y (en) | Shaft brake | |
| CN208120493U (en) | The slow safety guard of elevator permanent-magnet and elevator | |
| CN209906256U (en) | Elevator brake | |
| CN203158997U (en) | Damping lift car frame | |
| CN202785154U (en) | Gradual rope gripper and gradual overspeed protection safety device of traction type lifting device | |
| CN201850107U (en) | Electromagnetic braking device | |
| CN201670680U (en) | Brake device of elevator tractor | |
| CN102040175A (en) | Brake method of lifting winch/lifting machine for mines and disc-shaped brake | |
| CN205397771U (en) | Prevent unexpected protection device who removes of car | |
| CN210440501U (en) | Back plate of brake pad of high-speed train | |
| CN201036993Y (en) | Heavy loading locomotive bidirectional aluminium-copper alloy rerailer | |
| CN219238961U (en) | Traction type elevator traction sheave | |
| CN201722032U (en) | Safety car of elevator | |
| CN102700553A (en) | Broken rope catching device | |
| CN207566783U (en) | A kind of board-like brake of elevator traction machine | |
| CN208218135U (en) | A kind of elevator car safety protective device | |
| CN209906132U (en) | Elevator car goes upward safety tongs | |
| CN203255827U (en) | Elevator brake | |
| CN203477134U (en) | Independent double-semicircular-disc type brake | |
| CN202379652U (en) | Brake damping device | |
| CN110342368B (en) | Permanent magnet retarding safety protection device for elevator and elevator | |
| CN204917533U (en) | Novel elevator guide rail | |
| CN102491215A (en) | Disc brake structure | |
| CN209455966U (en) | A kind of easy weight-driven | |
| CN204873336U (en) | Unexpected amount of movement controlling means of elevator car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |