CN113321089A - Brake failure protection elevator - Google Patents
Brake failure protection elevator Download PDFInfo
- Publication number
- CN113321089A CN113321089A CN202110561407.1A CN202110561407A CN113321089A CN 113321089 A CN113321089 A CN 113321089A CN 202110561407 A CN202110561407 A CN 202110561407A CN 113321089 A CN113321089 A CN 113321089A
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- CN
- China
- Prior art keywords
- elevator
- fixedly arranged
- brake
- rod
- sliding
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- 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.)
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Classifications
-
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/042—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed characterised by specific locations of the governor cable
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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
- B66B5/185—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 acting on main ropes or main cables
Abstract
The invention discloses a brake failure protection elevator which comprises an elevator shaft, wherein a working cavity is arranged in the elevator shaft, an elevator is arranged in the working cavity in a sliding mode up and down, an elevator fixed pulley is arranged at the upper end of the elevator, a driving motor is fixedly arranged at the upper end of the elevator shaft, a motor rotating shaft is rotatably arranged at the front end of the driving motor, an installation frame is fixedly arranged at the upper end of the elevator shaft, when the brake failure of the elevator or the breakage of a steel cable on a balancing weight occurs, the elevator starts to fall down, the sliding speed of the steel cable is accelerated, the traction disc is driven to rotate rapidly, a protection device is automatically started, a brake latch is automatically lifted to block the traction disc, the traction disc is limited to rotate continuously, a second brake block is automatically extended out, the steel cable is blocked on the blocked and static traction disc, the elevator is prevented from falling continuously, and the life safety of passengers in the elevator is guaranteed.
Description
Technical Field
The invention relates to a brake failure protection elevator, and mainly relates to the technical field of elevator equipment.
Background
The elevator needs to pass through the brake block centre gripping traction disc when meetting the speed reduction at the in-process of traveling, accomplishes the braking action, when meetting the traction disc inefficacy, causes the quick tenesmic condition of elevator easily, and the emergency protection device of elevator plays the deceleration effect to the elevator through the centre gripping cable wire under the normal condition, and such deceleration protection effect is not rapid enough, is difficult to ensure elevator safety when meetting the elevator tenesmus speed at the excessive speed, so design this equipment and solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the technical problem of providing a brake failure protection elevator, and solves the problem.
The invention is realized by the following technical scheme.
The invention discloses a brake failure protection elevator, which comprises an elevator shaft, wherein a working chamber is arranged in the elevator shaft, an elevator is arranged in the working chamber in a sliding manner from top to bottom, an elevator fixed pulley is arranged at the upper end of the elevator shaft, a driving motor is fixedly arranged at the upper end of the elevator shaft, a motor rotating shaft is rotatably arranged at the front end of the driving motor, a mounting frame is fixedly arranged at the upper end of the elevator shaft, a mounting plate is fixedly arranged at the left end of the mounting plate, a toothed ring is arranged at the rear end of the mounting plate in a friction rotating manner, clamping blocks are arranged in the toothed ring in an arrayed manner, eighteen fixed rods are fixedly arranged on the motor rotating shaft in an annular array manner, sliding clamping blocks are slidably arranged on the fixed rods, rod sliding chutes are arranged in the sliding chutes, and clamping block springs are connected between the sliding clamping blocks and the motor rotating shaft;
the elevator shaft is provided with a rack chute with an upward opening, a sliding rack meshed with the toothed ring is arranged in the rack chute in a sliding manner, the left end of the sliding rack is fixedly provided with a fixed block, the elevator shaft is provided with a limiting chute, the limiting chute is provided with a brake rod in an up-down sliding manner, the left end and the right end of the brake rod are fixedly provided with two first limiting elastic blocks in a bilateral symmetry manner, the inner wall of the limiting chute is fixedly provided with two second limiting elastic blocks in a bilateral symmetry manner, the brake rod is fixedly provided with a fixed plate, a connecting spring is connected between the lower end of the fixed plate and the upper end face of the elevator shaft, the upper end of the brake rod is fixedly provided with brake teeth, the upper end of the elevator shaft is fixedly provided with a protection box, the protection box is internally provided with a connecting cavity with a leftward opening, the top wall of the connecting cavity is provided with a sliding rod in a sliding manner, and the left end of the protection rod is fixedly provided with a linkage plate, an extrusion spring is connected between the upper end of the linkage plate and the top wall of the connecting cavity, a linkage cavity is arranged in the protective box, a fixed caliper is fixedly arranged at the right end of the sliding rod, a linkage rotating shaft is rotatably arranged on the rear wall of the linkage cavity, a linkage gear meshed with the fixed caliper is fixedly arranged on the linkage rotating shaft, a linkage winding disc is fixedly arranged on the linkage rotating shaft, a protective pull rope is wound on the linkage winding disc, a protective rod is arranged in the protective box in a left-right sliding mode, the protective pull rope is fixedly connected to the left end of the protective rod, a spring plate is fixedly arranged on the protective rod, a protective spring is connected between the left end of the spring plate and the protective box, and a first brake pad is fixedly arranged at the right end of the protective rod;
and a brake gear and a traction disc are fixedly arranged on the motor rotating shaft.
Further, a guide rod is fixedly arranged on the top wall of the working cavity, a balancing weight is arranged in the working cavity in a sliding mode up and down, a guide frame is fixedly arranged at the front end of the balancing weight, a guide sliding groove is formed in the guide frame, the guide rod is arranged in the guide sliding groove in a sliding mode, and a balancing weight pulley is fixedly arranged at the upper end of the balancing weight.
Furthermore, a guide fixed pulley is fixedly arranged at the upper end of the elevator shaft, a steel cable is fixedly arranged on the top wall of the working cavity, and the steel cable bypasses the working cavity, the traction disc, the counterweight pulley and the guide fixed pulley and is fixedly arranged at the position, on the top wall of the working cavity, on the right side of the counterweight pulley.
Further, the fixed brake frame that is equipped with in elevator shaft upper end, the fixed mount table that is equipped with in brake frame left end, the fixed brake motor that is equipped with of mount table lower extreme, the fixed electric telescopic handle that is equipped with of brake motor lower extreme, the fixed second brake block that is equipped with of electric telescopic handle lower extreme.
The invention has the beneficial effects that: when meetting elevator brake inefficacy or the cracked condition of cable wire on the balancing weight, the elevator begins the tenesmus, and the sliding speed of cable wire is accelerated simultaneously, drives the traction disc fast revolution, and protection device automatic start rises the dead traction disc of brake latch card automatically, and the restriction traction disc continues the rotation, stretches out the second brake block automatically simultaneously, dies the cable wire card on the dead static traction disc of card, prevents that the elevator from continuing the tenesmus, has ensured passenger's life safety in the elevator.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the structure at a in fig. 1.
Fig. 3 is a schematic diagram of the structure at B in fig. 1.
Fig. 4 is a schematic diagram of the structure at C in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The brake failure protection elevator described with reference to fig. 1-4 comprises an elevator shaft 10, wherein a working chamber 11 is arranged in the elevator shaft 10, an elevator 12 is slidably arranged in the working chamber 11 up and down, an elevator fixed pulley 13 is installed at the upper end of the elevator 12, a driving motor 30 is fixedly arranged at the upper end of the elevator shaft 10, a motor rotating shaft 25 is rotatably arranged at the front end of the driving motor 30, a mounting frame 26 is fixedly arranged at the upper end of the elevator shaft 10, a mounting plate 27 is fixedly arranged at the left end of the mounting plate 27, a toothed ring 28 is frictionally and rotatably arranged at the rear end of the mounting plate 27, clamping blocks 29 are arranged in the toothed ring 28, eighteen fixing rods 31 are fixedly arranged in an annular array on the motor rotating shaft 25, sliding clamping blocks 32 are slidably arranged on the fixing rods 31, rod sliding grooves 33 are arranged in the sliding clamping blocks 32, and the fixing rods 31 are slidably arranged in the rod sliding grooves 33, a clamping block spring 34 is connected between the sliding clamping block 32 and the motor rotating shaft 25;
an upward-opening rack sliding groove 37 is arranged in the elevator shaft 10, a sliding rack 38 meshed with the toothed ring 28 is arranged in the rack sliding groove 37 in a sliding manner, a fixed block 39 is fixedly arranged at the left end of the sliding rack 38, a limiting sliding groove 40 is arranged in the elevator shaft 10, a brake rod 41 is arranged in the limiting sliding groove 40 in a sliding manner, two first limiting elastic blocks 46 are fixedly arranged at the left end and the right end of the brake rod 41 in a bilateral symmetry manner, two second limiting elastic blocks 45 are fixedly arranged on the inner wall of the limiting sliding groove 40 in the bilateral symmetry manner, a fixed plate 42 is fixedly arranged on the brake rod 41, a connecting spring 43 is connected between the lower end of the fixed plate 42 and the upper end face of the elevator shaft 10, brake teeth 44 are fixedly arranged at the upper end of the brake rod 41, a protection box 47 is fixedly arranged at the upper end of the elevator shaft 10, and a connecting cavity 57 opened leftward is arranged in the protection box 47, a sliding rod 58 is arranged on the top wall of the connecting cavity 57 in a sliding manner, a linkage plate 60 is fixedly arranged at the left end of the protection rod 48, an extrusion spring 61 is arranged between the upper end of the linkage plate 60 and the top wall of the connecting cavity 57 in a connecting manner, a linkage cavity 52 is arranged in the protection box 47, a fixed caliper 59 is fixedly arranged at the right end of the sliding rod 58, a linkage rotating shaft 53 is rotatably arranged on the rear wall of the linkage cavity 52, a linkage gear 54 meshed with the fixed caliper 59 is fixedly arranged on the linkage rotating shaft 53, a linkage winding disc 55 is fixedly arranged on the linkage rotating shaft 53, a protection pull rope 56 is wound on the linkage winding disc 55, the protection rod 48 is arranged in the protection box 47 in a sliding manner from left to right, the protection pull rope 56 is fixedly connected to the left end of the protection rod 48, a spring plate 49 is fixedly arranged on the protection rod 48, a protection spring 51 is connected between the left end of the spring plate 49 and the protection box 47, a first brake pad 50 is fixedly arranged at the right end of the protection rod 48;
and a brake gear 35 and a traction disc 36 are fixedly arranged on the motor rotating shaft 25.
Beneficially, a guide rod 14 is fixedly arranged on the top wall of the working chamber 11, a counterweight block 15 is slidably arranged in the working chamber 11 up and down, a guide frame 16 is fixedly arranged at the front end of the counterweight block 15, a guide sliding groove 17 is arranged in the guide frame 16, the guide rod 14 is slidably arranged in the guide sliding groove 17, and a counterweight block pulley 18 is fixedly arranged at the upper end of the counterweight block 15.
Advantageously, a guide fixed pulley 62 is fixedly arranged at the upper end of the elevator shaft 10, a steel cable 19 is fixedly arranged on the top wall of the working chamber 11, and the steel cable 19 is fixedly arranged on the top wall of the working chamber 11 at a position on the right side of the counterweight pulley 18 after passing around the working chamber 11, the traction disc 36, the counterweight pulley 18 and the guide fixed pulley 62.
Beneficially, a brake frame 20 is fixedly arranged at the upper end of the elevator shaft 10, a mounting table 21 is fixedly arranged at the left end of the brake frame 20, a brake motor 22 is fixedly arranged at the lower end of the mounting table 21, an electric telescopic rod 23 is fixedly arranged at the lower end of the brake motor 22, and a second brake pad 24 is fixedly arranged at the lower end of the electric telescopic rod 23.
The working steps are as follows: under the normal braking condition, the braking motor 22 is started, the electric telescopic rod 23 extends and then moves downwards through the second brake block 24 to block the steel cable 19, the steel cable 19 is limited to continue sliding, when the brake fails or the steel cable 19 at the upper end of the counterweight block pulley 18 is broken, the elevator 12 drops quickly, the steel cable 19 is pulled to drive the traction disc 36 to rotate quickly, the fast rotating motor shaft 25 drives the fixing rod 31 to rotate quickly, due to the centrifugal effect, the sliding clamping block 32 is thrown outwards, the sliding clamping block 32 is driven to rotate through the fixing rod 31, the rotating sliding clamping block 32 drives the clamping block 29 to rotate, so as to drive the toothed ring 28 to rotate, the rotating toothed ring 28 drives the sliding rack 38 to move upwards, the fixing block 39 on the sliding rack 38 pushes the fixing plate 42 to move upwards, the first limiting elastic block 46 on the brake rod 41 is driven to pass through the second limiting elastic block 45, the connecting spring 43 pushes the fixing plate 42, and the second limiting elastic block 19 is driven by the connecting spring 43, The brake rod 41 moves upwards, and the brake gear 35 is locked by the brake teeth 44 to limit the motor rotating shaft 25 to rotate continuously;
the fixed plate 42 drives the linkage plate 60 to move upwards so as to interfere with and drive the sliding rod 58 and the fixed caliper 59 to move upwards, the limiting effect of the fixed caliper 59 on the linkage gear 54 is removed, the protection spring 51 pushes the spring plate 49 to move rightwards, the steel cable 19 is extruded through the first brake block 50, the steel cable 19 is limited to continuously slide downwards, and finally the protection work on the elevator 12 is completed after the steel cable 19 is fixed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a brake failure protection elevator, includes the elevartor shaft, be equipped with the working chamber in the elevartor shaft, the middle and upper slip in the working chamber is equipped with the elevator, the installation of elevator upper end is equipped with the elevator fixed pulley, the fixed driving motor that is equipped with in elevartor shaft upper end, the rotatory motor shaft that is equipped with of driving motor front end, the fixed mounting bracket that is equipped with in elevartor shaft upper end, its characterized in that: the mounting plate is fixedly arranged at the left end of the mounting plate, a toothed ring is arranged at the rear end of the mounting plate in a friction and rotation mode, fixture blocks are arranged in the toothed ring, eighteen fixing rods are fixedly arranged on the motor rotating shaft in an annular array mode, sliding fixture blocks are slidably arranged on the fixing rods, rod sliding grooves are formed in the sliding fixture blocks, the fixing rods are slidably arranged in the rod sliding grooves, and fixture block springs are connected between the sliding fixture blocks and the motor rotating shaft;
the elevator shaft is provided with a rack chute with an upward opening, a sliding rack meshed with the toothed ring is arranged in the rack chute in a sliding manner, the left end of the sliding rack is fixedly provided with a fixed block, the elevator shaft is provided with a limiting chute, the limiting chute is provided with a brake rod in an up-down sliding manner, the left end and the right end of the brake rod are fixedly provided with two first limiting elastic blocks in a bilateral symmetry manner, the inner wall of the limiting chute is fixedly provided with two second limiting elastic blocks in a bilateral symmetry manner, the brake rod is fixedly provided with a fixed plate, a connecting spring is connected between the lower end of the fixed plate and the upper end face of the elevator shaft, the upper end of the brake rod is fixedly provided with brake teeth, the upper end of the elevator shaft is fixedly provided with a protection box, the protection box is internally provided with a connecting cavity with a leftward opening, the top wall of the connecting cavity is provided with a sliding rod in a sliding manner, and the left end of the protection rod is fixedly provided with a linkage plate, an extrusion spring is connected between the upper end of the linkage plate and the top wall of the connecting cavity, a linkage cavity is arranged in the protective box, a fixed caliper is fixedly arranged at the right end of the sliding rod, a linkage rotating shaft is rotatably arranged on the rear wall of the linkage cavity, a linkage gear meshed with the fixed caliper is fixedly arranged on the linkage rotating shaft, a linkage winding disc is fixedly arranged on the linkage rotating shaft, a protective pull rope is wound on the linkage winding disc, a protective rod is arranged in the protective box in a left-right sliding mode, the protective pull rope is fixedly connected to the left end of the protective rod, a spring plate is fixedly arranged on the protective rod, a protective spring is connected between the left end of the spring plate and the protective box, and a first brake pad is fixedly arranged at the right end of the protective rod;
and a brake gear and a traction disc are fixedly arranged on the motor rotating shaft.
2. The brake failure protection elevator according to claim 1, characterized in that: the improved hydraulic lifting mechanism is characterized in that a guide rod is fixedly arranged on the top wall of the working cavity, a balancing weight is arranged in the working cavity in a sliding mode, a guide frame is fixedly arranged at the front end of the balancing weight, a guide sliding groove is formed in the guide frame, the guide rod is arranged in the guide sliding groove in a sliding mode, and a balancing weight pulley is fixedly arranged at the upper end of the balancing weight.
3. The brake failure protection elevator according to claim 1, characterized in that: the elevator shaft is characterized in that a guide fixed pulley is fixedly arranged at the upper end of the elevator shaft, a steel cable is fixedly arranged on the top wall of the working cavity, and the steel cable bypasses the working cavity, the traction disc, the counterweight pulley and the guide fixed pulley and is fixedly arranged at the position, on the right side of the counterweight pulley, on the top wall of the working cavity.
4. The brake failure protection elevator according to claim 1, characterized in that: the elevator shaft is characterized in that a brake frame is fixedly arranged at the upper end of the elevator shaft, a mounting table is fixedly arranged at the left end of the brake frame, a brake motor is fixedly arranged at the lower end of the mounting table, an electric telescopic rod is fixedly arranged at the lower end of the brake motor, and a second brake pad is fixedly arranged at the lower end of the electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110561407.1A CN113321089A (en) | 2021-05-22 | 2021-05-22 | Brake failure protection elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110561407.1A CN113321089A (en) | 2021-05-22 | 2021-05-22 | Brake failure protection elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113321089A true CN113321089A (en) | 2021-08-31 |
Family
ID=77416324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110561407.1A Withdrawn CN113321089A (en) | 2021-05-22 | 2021-05-22 | Brake failure protection elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113321089A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735564A (en) * | 2022-03-25 | 2022-07-12 | 东台创跃机电有限公司 | Bearing beam with fracture emergency load bearing function for elevator component and using method of bearing beam |
-
2021
- 2021-05-22 CN CN202110561407.1A patent/CN113321089A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735564A (en) * | 2022-03-25 | 2022-07-12 | 东台创跃机电有限公司 | Bearing beam with fracture emergency load bearing function for elevator component and using method of bearing beam |
| CN114735564B (en) * | 2022-03-25 | 2023-03-07 | 东台创跃机电有限公司 | Bearing beam with fracture emergency load bearing function for elevator component and using method of bearing beam |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210831 |