CN114634074A - Elevator safety braking device for engineering construction - Google Patents
Elevator safety braking device for engineering construction Download PDFInfo
- Publication number
- CN114634074A CN114634074A CN202210274380.2A CN202210274380A CN114634074A CN 114634074 A CN114634074 A CN 114634074A CN 202210274380 A CN202210274380 A CN 202210274380A CN 114634074 A CN114634074 A CN 114634074A
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- Prior art keywords
- groove
- sliding
- block
- rope
- traction
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- 238000010276 construction Methods 0.000 title claims abstract description 13
- 230000005484 gravity Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 abstract description 14
- 238000005299 abrasion Methods 0.000 abstract description 7
- 208000035874 Excoriation Diseases 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
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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
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
Abstract
The invention relates to the technical field of elevator protection, and discloses an elevator safety braking device for engineering construction. The inner side of the traction wheel is provided with a sliding groove according to the circumferential direction of the surface where the rope groove is located, so that the sliding block inside the sliding groove is in sealing connection with the sliding groove, when the sliding groove moves to the upper half part of the traction wheel, the gravity block in the sliding block moves towards the direction of the circle center of the traction wheel, the gravity block pulls the connecting rope and drives the adjusting block to move towards the inside of the strip-shaped groove, the outer side of the adjusting block is not attached to the inner side of the sliding groove, the downward movement speed of the sliding block is increased, the sliding block moves to suck air above the sliding groove, and particles generated after abrasion between the rope groove and the traction rope enter the upper half part of the sliding groove to be collected.
Description
Technical Field
The invention relates to the technical field of elevator protection, in particular to an elevator safety braking device for engineering construction.
Background
The elevator is braked by a traction motor, a traction sheave is a rope sheave on a traction machine and is a device for transmitting traction power of the elevator, the power is transmitted by utilizing the friction force between a traction steel wire rope and a rope groove on the edge of the traction sheave, the integral traction sheave is divided into two parts, a wheel drum is arranged in the middle, a rim type rope groove is manufactured outside and cut on a wheel rim, an outer rim is sleeved with an inner wheel drum and connected together by a hinged bolt to form a traction sheave integral body, and a plurality of traction ropes placed in the rope groove are driven to transmit by the rotation of the traction sheave.
In the outside transmission process of the traction sheave, the tension of the traction ropes is different after being used for a period of time, so that the edges of the rope grooves are abraded, the friction at the turning part of the rope grooves is increased, and after the rope grooves are abraded, the tension difference among a group of traction ropes is larger, the abrasion loss of the traction ropes is further increased, the breakage of part of the traction ropes is caused, and the normal operation of the elevator is influenced.
Disclosure of Invention
The invention provides a safety brake device of an elevator for engineering construction, which has the advantages of wear detection and wear reduction and solves the technical problems in the background technology.
The invention provides the following technical scheme: a safety braking device of an elevator for engineering construction comprises a traction wheel, wherein rope grooves are axially formed in the outer side of the traction wheel at equal intervals, a traction rope is movably connected inside the rope grooves, sliding grooves are axially formed in the outer side of the traction wheel at equal angles, clamping blocks are fixedly connected to two sides inside the sliding grooves, sliding blocks are movably connected inside the sliding grooves, clamping grooves which are connected with the clamping blocks in a sliding mode are formed in two sides of each sliding block, a strip-shaped groove is formed inside each sliding block, adjusting blocks are connected to two sides of the top end of each strip-shaped groove in a sliding mode, a connecting rope is fixedly connected to one side, close to the middle portion of each sliding block, of each adjusting block, a power spring is movably connected to the outer side of one end, close to each adjusting block, of each power spring is fixedly connected with each adjusting block, and a gravity block is fixedly connected to the other end of each power spring, the inner side direction of the sliding block close to the traction wheel is fixedly connected with a communicating pipe, and one end of the communicating pipe, which is positioned on the outer side of the traction wheel, is fixedly connected with an expansion ball.
Preferably, sealing connection between the outside of sliding block and the sliding tray, and the bottom of sliding tray and the inside intercommunication of communicating pipe.
Preferably, the strip-shaped groove is T-shaped, and when the connecting rope is tightened, the bottom end of the gravity block in the strip-shaped groove is not in contact with the bottom end of the strip-shaped groove.
Preferably, the power spring can elastically push the adjusting block to move towards the direction far away from the strip-shaped groove, the clamping block is located on the inner side face, close to the traction sheave, of the clamping groove, and the adjusting block is located at the corner of the rope groove.
Preferably, the expansion ball is positioned on the outer side surface of the traction sheave, and the expansion ball is centrosymmetric with the center of the traction sheave.
The invention has the following beneficial effects:
1. according to the invention, the sliding groove is formed in the inner side of the traction wheel according to the circumferential direction of the surface where the rope groove is located, the sliding block in the sliding groove is in sealed connection with the sliding groove, when the sliding groove moves to the upper half part of the traction wheel, the gravity block in the sliding block moves towards the circle center direction of the traction wheel, the gravity block pulls the connecting rope and drives the adjusting block to move towards the inner part of the strip-shaped groove, the outer side of the adjusting block is not tightly attached to the inner side of the sliding groove, the downward movement speed of the sliding block is increased, the sliding block moves and sucks air above the sliding groove, and particles generated after abrasion between the rope groove and the traction rope enter the upper half part of the sliding groove to be collected, so that the condition that secondary abrasion is generated when the particles are retained between the rope groove and the traction rope is avoided.
2. According to the invention, through the arrangement of the sliding groove and the arrangement of the sliding block in the sliding groove, when the sliding groove rotates to move to the lower half part of the traction wheel along with the traction wheel, the gravity block in the sliding block moves downwards to release the pulled connecting rope, so that the connecting rope is loosened, the power spring pushes the adjusting block to the outer side of the strip-shaped groove, the outer side of the adjusting block is close to the inner side of the sliding groove, and the speed of the sliding block moving downwards in the inner side of the sliding groove is reduced, so that particles collected in the sliding groove are slowly dumped, the ejection of the collected particles is avoided, and the particles are stably dropped and collected.
3. According to the invention, through the gravity block and the adjusting block which are connected with the inner side of the sliding block, one side surface of the adjusting block close to the sliding groove is in contact with the corner of the rope groove, the friction force is increased, the distance of the adjusting block extending out of the strip-shaped groove is increased, when the sliding groove rotates to the upper half part of the traction wheel again along with the traction wheel, the time for the adjusting block to move to the strip-shaped groove is increased, so that the occurrence time point of the sliding block moving in the sliding groove is delayed when the sliding groove moves to the upper half part of the traction wheel along with the traction wheel, the bottom end of the sliding block pushes the gas in the corresponding sliding groove to enter the expansion ball, and the occurrence of abrasion can be observed through the expansion ball, and the replacement and repair are carried out in time.
Drawings
FIG. 1 is a front view, cut-away, schematic view of a traction wheel structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a side view, cut-away, schematic illustration of the traction sheave construction of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure at C in FIG. 3 according to the present invention.
In the figure: 1. a traction sheave; 2. rope grooves; 3. a hoisting rope; 4. a sliding groove; 5. a bit block; 6. a slider; 7. a card slot; 8. a strip-shaped groove; 9. an adjusting block; 10. connecting ropes; 11. a power spring; 12. a gravity block; 13. a communicating pipe; 14. the ball is expanded.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a safety brake device for an elevator for engineering construction, includes a traction sheave 1, rope grooves 2 are axially equidistantly formed on an outer side of the traction sheave 1, a traction rope 3 is movably connected to an inner portion of the rope grooves 2, sliding grooves 4 are axially equiangularly formed on the outer side of the traction sheave 1, referring to fig. 2 and 3, two sides of an inner portion of each sliding groove 4 are fixedly connected with a clamping block 5, a sliding block 6 is movably connected to an inner portion of each sliding groove 4, referring to fig. 4, two sides of each sliding block 6 are provided with clamping grooves 7 slidably connected with the clamping blocks 5, position control of the clamping grooves 7 is performed through the clamping blocks 5, a strip-shaped groove 8 is formed in the inner portion of each sliding block 6, adjusting blocks 9 are slidably connected to two sides of a top end of each strip-shaped groove 8, a connecting rope 10 is fixedly connected to a side of each adjusting block 9 close to a middle portion of each sliding block 6, and one end of each connecting rope 10 far away from each adjusting block 9 is fixedly connected with a top end face of each strip-shaped groove 8, the outer side of one end, close to the adjusting block 9, of the connecting rope 10 is movably connected with a power spring 11, one end of the power spring 11 is fixedly connected with the adjusting block 9, the other end of the power spring 11 is fixedly connected with a gravity block 12, the sliding block 6 is fixedly connected with a communicating pipe 13 close to the inner side direction of the traction sheave 1, and one end, located at the outer side of the traction sheave 1, of the communicating pipe 13 is fixedly connected with an expansion ball 14.
Referring to fig. 2 and 3, the outer side of the sliding block 6 is hermetically connected to the sliding groove 4, the bottom end of the sliding groove 4 is communicated with the inside of the communicating pipe 13, the sliding block 6 is hermetically connected to the inside of the sliding groove 4, that is, the sliding block 6 moves inside the sliding groove 4, the moving speed of the sliding block 12 inside the strip-shaped groove 8 is slow relative to the gravity, so that when the sliding block 6 moves up and down inside the sliding groove 4, and the sliding block 6 moves inside the sliding groove 4 toward the inner side of the traction sheave 1 relative to the traction sheave 1, the sliding block 6 increases the space at the top end of the sliding groove 4, so that the air at the top end of the sliding groove 4 enters the inside of the sliding groove 4, and further, the particles abraded by uneven tension between the rope groove 2 and the traction rope 3 are collected by the flow of the air flow, so that the particles do not stay between the rope groove 2 and the traction rope 3 any more, thereby avoiding subsequent secondary abrasion, when the slide block 6 moves to the outside of the traction sheave 1 relative to the traction sheave 1 in the slide groove 4, the slide block 6 reduces the space at the top end of the slide groove 4, pushes out the particles collected in the slide groove 4 to the outside, and cleans the particles collected in the slide groove 4. And the bottom end of the sliding groove 4 is communicated with the communicating pipe 13, when the sliding block 6 moves towards the inner side direction of the traction wheel 1, the sliding block 6 can push the air of the sliding groove 4 close to the inner side direction of the traction wheel 1 to enter the inside of the expansion ball 14 through the communicating pipe 13, and the straight surface observation can be carried out on the abrasion of the rope groove 2 by observing the expansion speed and the expansion rate of the expansion ball 14.
Referring to fig. 4, the strip-shaped groove 8 is T-shaped, when the connecting rope 10 is extended, the bottom end of the gravity block 12 inside the strip-shaped groove 8 is still not in contact with the bottom end of the strip-shaped groove 8, the traction sheave 1 drives the sliding groove 4 inside the traction sheave 1 to rotate together, so that the position of the adjusting block 9 is further controlled by the gravity of the gravity block 12 through the power spring 11, the speed of the sliding block 6 inside the sliding groove 4 is adjusted, when the sliding block 6 moves towards the outside of the traction sheave 1, the speed of the adjusting block 9 is controlled to reduce the moving speed of the sliding block 6, reduce the initial speed of the exiting particles, avoid the particles from being cast, and when the sliding block 6 moves towards the inside of the traction sheave 1, the adjusting block 9 is not in contact with the inside of the sliding groove 4, so that the moving speed of the sliding block 6 is not affected by the adjusting block 9, and the moving speed of the sliding block 6 is fast, thereby the velocity of flow of the gas that drives is big, better to wearing and tearing produce the granule and collect.
Please refer to fig. 5, the power spring 11 can elastically push the adjusting block 9 to move towards the direction far away from the strip-shaped groove 8, and the clamping block 5 is located at the inner side surface of the clamping groove 7 close to the traction sheave 1, the adjusting block 9 is located at the corner of the rope groove 2, so that when the adjusting block 9 does not have the traction rope 3 in the rope groove 2, one end of the adjusting block 9 supports against the corner of the rope groove 2, the wear measurement at the corner of the rope groove 2 is performed through the length of the strip-shaped groove 8 in the adjusting block 9, the wear amount is monitored through the movement of the adjusting block 9 and the movement of the sliding block 6, and the remote monitoring can also be performed through other circuit forms.
Referring to fig. 3, the expansion ball 14 is located on the outer side surface of the traction sheave 1, and the expansion ball 14 is symmetric with respect to the center of the traction sheave 1, so that the expansion ball 14 can monitor the position directly above and below the traction sheave 1 at any position, and the expansion change of the expansion ball 14 is facilitated.
The use method (working principle) of the invention is as follows:
when the elevator works, the traction sheave 1 rotates, the outer rope groove 2 of the traction sheave 1 drives the traction rope 3 to pull or put down the traction rope 3, when the sliding groove 4 drives the sliding block 6 to reach the upper half part of the traction sheave 1, the gravity block 12 in the strip-shaped groove 8 moves in the direction close to the center of the traction sheave 1 in the strip-shaped groove 8, meanwhile, the gravity block 12 pulls the connecting rope 10 to lead the adjusting block 9 to have the trend of moving towards the inner side of the strip-shaped groove 8, the adjusting block 9 compresses the power spring 11 to lead one side surface of the adjusting block 9 close to the sliding groove 4 not to be attached to the inner side surface of the sliding groove 4, the downward moving speed of the sliding block 6 is accelerated, the sliding block 6 and the sliding groove 4 move downwards in a sealing way, so that the top end of the sliding groove 4 sucks and collects wear particles positioned between the rope groove 2 and the traction rope 3 and at the upper half part of the traction sheave 1, when the traction sheave 1 rotates to drive the sliding groove 4 to reach the lower half part of the traction sheave 1, the gravity block 12 in the sliding block 6 moves in the strip-shaped groove 8 towards the direction far away from the center of the traction wheel 1, the connecting rope 10 is loosened, the power spring 11 pushes the adjusting block 9 to extend out of the strip-shaped groove 8, when the clamping block 5 is positioned on the inner side of the clamping groove 7 close to the traction wheel 1, the adjusting block 9 moves to the corner of the rope groove 2 along with the sliding block 6, the length of the adjusting block 9 extending out of the strip-shaped groove 8 is the inner width of the rope groove 2, and the sliding block 6 moves downwards in the sliding groove 4, the wear particles collected on the outer side of the sliding block 6 are discharged out of the traction wheel 1, when the sliding groove 4 moves to the upper half part of the traction wheel 1 again along with the traction wheel 1, the tension of the traction rope 3 is different from the width of the corresponding rope groove 2, the extending length of the adjusting block 9 is different, so that the moving distance of the adjusting block 9 returning to the inner part of the strip-shaped groove 8 is increased, and the friction force of the contact surface between the outer side of the adjusting block 9 and the rope groove 2 is increased, the time taken for the adjusting block 9 to return to the inside of the sliding groove 4 following the sliding block 6 increases, resulting in that the sliding block 6 moves downward in the inside of the sliding groove 4, the speed at which the sliding block 6 pushes the bottom air into the inside of the expansion ball 14 through the communicating pipe 13 decreases, the expansion process of the expansion ball 14 becomes uneven, and the wear amount is detected by observing the expansion speed of the expansion ball 14.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an elevator safety brake device for engineering construction, includes driving sheave (1), grooving (2) have been seted up to the outside axial equidistance of driving sheave (1), the inside swing joint of grooving (2) has towline (3), its characterized in that: the outer side rope groove (2) of the traction wheel (1) is axially provided with sliding grooves (4) at equal angles, two sides of the inner part of each sliding groove (4) are fixedly connected with clamping blocks (5), the inner part of each sliding groove (4) is movably connected with a sliding block (6), two sides of each sliding block (6) are provided with clamping grooves (7) which are connected with the clamping blocks (5) in a sliding mode, the inner part of each sliding block (6) is provided with a strip-shaped groove (8), two sides of the top end of each strip-shaped groove (8) are connected with adjusting blocks (9) in a sliding mode, one side, close to the middle part of each sliding block (6), of each adjusting block (9) is fixedly connected with a connecting rope (10), one end, close to each adjusting block (9), of each connecting rope (10) is movably connected with a power spring (11) at the outer side, one end of each power spring (11) is fixedly connected with each adjusting block (9), and the other end of each power spring (11) is fixedly connected with a gravity block (12), the inner side of the sliding block (6) close to the traction wheel (1) is fixedly connected with a communicating pipe (13), and one end of the communicating pipe (13) positioned on the outer side of the traction wheel (1) is fixedly connected with an expansion ball (14).
2. The elevator safety brake device for engineering construction according to claim 1, characterized in that: the outer side of the sliding block (6) is connected with the sliding groove (4) in a sealing mode, and the bottom end of the sliding groove (4) is communicated with the inside of the communicating pipe (13).
3. The elevator safety brake device for engineering construction according to claim 1, characterized in that: the shape of bar groove (8) is the T style of calligraphy, when connecting rope (10) was tightened, the bottom of gravity piece (12) and the bottom of bar groove (8) still do not contact in the gravity piece (12) inside bar groove (8).
4. The elevator safety brake device for engineering construction according to claim 1, characterized in that: the power spring (11) can elastically push the adjusting block (9) to move towards the direction far away from the strip-shaped groove (8), the clamping block (5) is positioned on the inner side surface, close to the traction sheave (1), of the clamping groove (7), and the adjusting block (9) is positioned at the corner of the rope groove (2).
5. The safety brake device of an elevator for construction according to claim 1, characterized in that: the expansion ball (14) is positioned on the outer side surface of the traction sheave (1), and the expansion ball (14) is centrosymmetric with the center of a circle of the traction sheave (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274380.2A CN114634074A (en) | 2022-03-20 | 2022-03-20 | Elevator safety braking device for engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274380.2A CN114634074A (en) | 2022-03-20 | 2022-03-20 | Elevator safety braking device for engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114634074A true CN114634074A (en) | 2022-06-17 |
Family
ID=81949725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210274380.2A Withdrawn CN114634074A (en) | 2022-03-20 | 2022-03-20 | Elevator safety braking device for engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114634074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117466116A (en) * | 2023-12-25 | 2024-01-30 | 沈阳蓝光驱动技术有限公司 | Traction machine with self-locking protection structure |
-
2022
- 2022-03-20 CN CN202210274380.2A patent/CN114634074A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117466116A (en) * | 2023-12-25 | 2024-01-30 | 沈阳蓝光驱动技术有限公司 | Traction machine with self-locking protection structure |
| CN117466116B (en) * | 2023-12-25 | 2024-04-05 | 沈阳蓝光驱动技术有限公司 | Traction machine with self-locking protection structure |
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Application publication date: 20220617 |
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| WW01 | Invention patent application withdrawn after publication |