CN216662131U - Elevator fault automatic detection device - Google Patents
Elevator fault automatic detection device Download PDFInfo
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- CN216662131U CN216662131U CN202122923655.4U CN202122923655U CN216662131U CN 216662131 U CN216662131 U CN 216662131U CN 202122923655 U CN202122923655 U CN 202122923655U CN 216662131 U CN216662131 U CN 216662131U
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- brake
- brake beam
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000001133 acceleration Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 229910001651 emery Inorganic materials 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automatic elevator fault detection device which comprises an elevator shaft, a lift car, a steel rail, a brake beam and a detection box, wherein the steel rail is fixedly arranged on the side end surface of the inner wall of the elevator shaft, the brake beam and the detection box are fixedly arranged on the upper end surface of the lift car, the upper end of the brake beam is provided with a traction wheel, two ends of the brake beam are provided with brake blocks, a driving motor is arranged in the brake beam, the front end of the driving motor is in keyed joint with a lead screw, the side end surface of the brake blocks is provided with screw holes, the lead screw is inserted into the screw holes and is in threaded connection with the brake blocks, and the inner end surface of the steel rail is provided with a positioning block. According to the utility model, the detection box is matched with the brake beam, and when the speed of the lift car is too high or the acceleration of the lift car is too high, the lift car is forcibly braked, so that the safety of the lift is greatly improved. Through the cooperation of locating piece, brake block and driving motor, make the car just reach the locating piece department brake of elevator well and stop to make car and floor export align, make things convenient for the rescue work in later stage.
Description
Technical Field
The utility model relates to the technical field of elevator detection, in particular to an automatic elevator fault detection device.
Background
Elevators are widely applied in modern buildings, and the safety of the elevators is always valued by people. Accidents such as breakage of a steel wire rope, failure of a speed limiter and the like often occur to an elevator, falling accidents frequently occur, and safety of passengers cannot be guaranteed, so that faults of the elevator need to be detected, two rail wheels are installed on two sides of the elevator, steel rails are installed on inner walls of two sides of an elevator channel and are rotationally connected with the steel rails through the rail wheels, when the elevator loses control and descends rapidly, the steel rails can rotate rapidly with the rail wheels, when the elevator loses control, the elevator loses control as the rail wheels rotate rapidly, and meanwhile, after the elevator loses control, the rail wheels can be locked, friction between the elevator and the elevator channel is increased, so that the elevator is decelerated, but the elevator is locked immediately in a locking process, the elevator is usually positioned between floors when being braked and stopped, difficulty is increased for later rescue, and therefore, an automatic elevator fault detection device is needed to enable the elevator to have faults, the elevator can lock tightly and brake just to the floor exit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic elevator fault detection device to solve the problem that an elevator cannot be aligned with floors when the elevator stops due to faults in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an elevator trouble automatic checkout device, includes elevator well, car, rail, brake beam and detection case, the rail fixed mounting of telling is at the inner wall side end face of elevator well, brake beam and detection case fixed mounting are at the up end of car, the upper end of brake beam is provided with the driving sheave, the both ends of brake beam are provided with the brake pads, be provided with driving motor in the brake beam, driving motor's front end key joint has the lead screw, the side end face of brake pads is provided with the screw, the lead screw inserts in the screw with brake pads threaded connection, the interior terminal surface of rail is provided with the locating piece.
Preferably, the cross sections of the brake beam and the steel rail are both of a U-shaped structure, a slide block is arranged on the side end face of the inner wall of the brake beam, a first sliding groove is formed in the side end face of the brake block, the brake block and the brake beam are in matched sliding connection with the slide block through the first sliding groove, and when the driving motor drives the screw rod to rotate, the brake block slides back and forth along the slide block, so that the slide block extrudes the steel rail to brake.
Preferably, the preceding terminal surface of brake pad is provided with resistant emery wheel, resistant emery wheel adopts wear-resisting steel to make, the side end face of resistant emery wheel passes through bolt and brake pad fixed connection, and when the brake pad was close to the rail, the inner wall in the wear-resisting wheel extrusion rail to brake the speed reduction to the rail, the wearability of brake pad has been strengthened to the wear-resisting wheel, and circular structure is comparatively laminated with the rail simultaneously, and the feeling of setback is too obvious when avoiding cooperating with the locating piece.
Preferably, the two ends of the brake beam are provided with second sliding grooves, the steel rail is inserted into the second sliding grooves and is in sliding connection with the brake beam, the edges of the steel rail are clamped through the second sliding grooves, and stability in the sliding process of the steel rail is improved.
Preferably, the locating piece is triangle-shaped steel block, the up end and the lower terminal surface of locating piece are cambered surface structure, block resistant emery wheel through the locating piece, just force the brake to stop when making the car reach the upper end or the lower extreme department of locating piece.
Preferably, the vertical interval of locating piece equals with the height of adjacent floor for when the car stops, its export with the floor just aligns, thereby reduces the later stage rescue degree of difficulty.
Preferably, be provided with speedtransmitter and acceleration sensor in the detection case, speedtransmitter and acceleration sensor and driving motor electric connection detect current speed and acceleration through speedtransmitter and acceleration sensor, when speed or acceleration surpassed the threshold value, for driving motor power supply, make it drive the lead screw and rotate to drive the brake block removal, brake the car.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model brakes the car forcibly by matching the detection box with the brake beam when the speed or the acceleration of the car is too high, thereby greatly improving the safety of the elevator.
2. According to the utility model, the positioning block, the brake block and the driving motor are matched, so that the car just reaches the positioning block of the elevator shaft to brake, and the car is aligned with the floor outlet, thereby facilitating later rescue work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the brake beam and rail in a mated condition according to the present invention;
FIG. 3 is a top cross-sectional view of the brake beam and rail assembly of the present invention.
In the figure: the elevator comprises an elevator hoistway 1, a rail 2, a positioning block 21, a car 3, a brake beam 4, a detection box 41, a speed sensor 411, an acceleration sensor 412, a traction sheave 42, a driving motor 43, a screw rod 431, a brake block 44, a wear-resistant wheel 441, a screw hole 442, a first sliding groove 443, a second sliding groove 45 and a sliding block 46.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, the illustrated automatic elevator fault detection device includes an elevator hoistway 1, a car 3, a steel rail 2, a brake beam 4 and a detection box 41, the steel rail 2 is fixedly mounted on an end surface of an inner wall side of the elevator hoistway 1, the brake beam 4 and the detection box 41 are fixedly mounted on an upper end surface of the car 3, an upper end of the brake beam 4 is rotatably connected with a traction sheave 42, two ends of the brake beam 4 are slidably connected with brake blocks 44, a driving motor 43 is fixedly mounted in the brake beam 4, a front end of the driving motor 43 is keyed with a lead screw 431, a side end surface of the brake block 44 is provided with a screw hole 442, the lead screw 431 is inserted into the screw hole 442 and is in threaded connection with the brake blocks 44, and an inner end surface of the steel rail 2 is welded with a positioning block 21.
The sections of the brake beam 4 and the rail 2 are both of a U-shaped structure, a sliding block 46 is welded on the side end surface of the inner wall of the brake beam 4, a first sliding groove 443 is arranged on the side end surface of the brake block 44, the brake block 44 and the brake beam 4 are in sliding connection with the sliding block 46 through the first sliding groove 443 in a matching mode, when the driving motor 43 drives the screw rod 431 to rotate, the brake block 44 slides back and forth along the sliding block 46, and therefore the sliding block 46 extrudes the rail 2 to brake.
The front end face of the brake block 44 is provided with a wear-resistant wheel 441 through a bolt, the wear-resistant wheel 441 is made of wear-resistant steel, the side end face of the wear-resistant wheel 441 is fixedly connected with the brake block 44 through the bolt, when the brake block 44 is close to the steel rail 2, the wear-resistant wheel 441 extrudes the inner wall of the steel rail 2 so as to brake and decelerate the steel rail 2, the wear-resistant wheel 441 enhances the wear resistance of the brake block 44, meanwhile, the circular structure is attached to the steel rail 2, and the phenomenon that the brake feel is too obvious during the process of being matched with the positioning block 21 is avoided.
The two ends of the brake beam 4 are provided with second sliding grooves 45, the steel rail 2 is inserted into the second sliding grooves 45 and is in sliding connection with the brake beam 4, the edges of the steel rail 2 are clamped through the second sliding grooves 45, and the stability of the steel rail in the sliding process is improved.
The positioning block 21 is a triangular steel block, the upper end surface and the lower end surface of the positioning block 21 are of arc surface structures, and the abrasion-resistant wheel 441 is clamped through the positioning block 21, so that the car 3 is forced to brake and stop when reaching the upper end or the lower end of the positioning block 21.
The vertical interval of locating piece 21 equals with the height of adjacent floor for when car 3 stops, its export with the floor just aligns, thereby reduces the later stage rescue degree of difficulty.
A speed sensor 411 and an acceleration sensor 412 are installed in the detection box 41, the speed sensor 411 and the acceleration sensor 412 are electrically connected with the driving motor 43, the current speed and the current acceleration are detected through the speed sensor 411 and the acceleration sensor 412, and when the speed or the acceleration exceeds a threshold value, power is supplied to the driving motor 43, so that the driving motor drives the screw rod 431 to rotate, the brake block 44 is driven to move, and the car 3 is braked.
This detection device is when using: the current speed and the acceleration are detected by the speed sensor 411 and the acceleration sensor 412, when the speed or the acceleration exceeds a threshold value, power is supplied to the driving motor 43, the driving motor drives the screw rod 431 to rotate, the brake block 44 is driven to move towards the steel rail 2, the abrasion-resistant wheel 441 is in contact with the inner end face of the steel rail 2, the friction force between the car 3 and the steel rail 2 is increased, the car 3 is braked, after a period of deceleration, the abrasion-resistant wheel 441 reaches the positioning block 21 and is intercepted by the positioning block 21, and the car 3 is completely stopped.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An elevator fault automatic detection device, characterized by comprising:
elevator well (1), car (3), rail (2), brake beam (4) and detection case (41), the inner wall side end face of rail (2) fixed mounting of telling at elevator well (1), brake beam (4) and detection case (41) fixed mounting are at the up end of car (3), the upper end of brake beam (4) is provided with driving sheave (42), the both ends of brake beam (4) are provided with brake pads (44), be provided with driving motor (43) in brake beam (4), the front end key joint of driving motor (43) has lead screw (431), the side end face of brake pads (44) is provided with screw (442), lead screw (431) insert in screw (442) with brake pads (44) threaded connection, the interior terminal surface of rail (2) is provided with locating piece (21).
2. The automatic elevator fault detection device according to claim 1, wherein: the cross sections of the brake beam (4) and the steel rail (2) are both U-shaped structures, a slide block (46) is arranged on the side end face of the inner wall of the brake beam (4), and a first sliding groove (443) is arranged on the side end face of the brake block (44).
3. The automatic elevator fault detection device according to claim 1, wherein: the front end face of the brake block (44) is provided with a wear-resistant wheel (441), the wear-resistant wheel (441) is made of wear-resistant steel, and the side end face of the wear-resistant wheel (441) is fixedly connected with the brake block (44) through bolts.
4. The automatic elevator fault detection device according to claim 1, wherein: and second sliding grooves (45) are formed in two ends of the brake beam (4), and the steel rail (2) is inserted into the second sliding grooves (45) and is in sliding connection with the brake beam (4).
5. The automatic elevator fault detection device according to claim 1, wherein: the positioning block (21) is a triangular steel block, and the upper end face and the lower end face of the positioning block (21) are of cambered surface structures.
6. The automatic elevator fault detection device according to claim 1, wherein: the longitudinal distance of the positioning blocks (21) is equal to the height of the adjacent floors.
7. The automatic elevator fault detection device according to claim 1, wherein: a speed sensor (411) and an acceleration sensor (412) are arranged in the detection box (41), and the speed sensor (411) and the acceleration sensor (412) are electrically connected with a driving motor (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122923655.4U CN216662131U (en) | 2021-11-25 | 2021-11-25 | Elevator fault automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122923655.4U CN216662131U (en) | 2021-11-25 | 2021-11-25 | Elevator fault automatic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216662131U true CN216662131U (en) | 2022-06-03 |
Family
ID=81791132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122923655.4U Expired - Fee Related CN216662131U (en) | 2021-11-25 | 2021-11-25 | Elevator fault automatic detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216662131U (en) |
-
2021
- 2021-11-25 CN CN202122923655.4U patent/CN216662131U/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 |
Granted publication date: 20220603 |