CN215974472U - Equipment for detecting elevator band-type brake clamping group through temperature sensor - Google Patents
Equipment for detecting elevator band-type brake clamping group through temperature sensor Download PDFInfo
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- CN215974472U CN215974472U CN202121194464.2U CN202121194464U CN215974472U CN 215974472 U CN215974472 U CN 215974472U CN 202121194464 U CN202121194464 U CN 202121194464U CN 215974472 U CN215974472 U CN 215974472U
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- 230000008859 change Effects 0.000 description 2
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- 238000011835 investigation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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- 238000005299 abrasion Methods 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
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Abstract
The utility model discloses equipment for detecting an elevator band-type brake clamping group through a temperature sensor, which comprises a clamping group box, wherein a power chamber is arranged in the clamping group box, a first motor is arranged in the power chamber, one end of the first motor is rotatably connected with a first lead screw, a first brake arm is connected with the first lead screw through an external thread, a second motor is arranged in the power chamber, band-type brake pads are fixedly connected to one sides of the first brake arm and the second brake arm, a traction wheel is arranged between the band-type brake pads, temperature sensors are arranged at the upper ends of the band-type brake pads, an alarm device is arranged in the clamping group box, the temperature of the band-type brake pads can be detected by adding a temperature sensor near the band-type brake pads, if the band-type brake pads are normally and completely opened, the brake pads cannot be heated, if the band-type brake pads are not completely opened, heat can be generated due to friction between the band-type brake pads and the traction wheel, the temperature is rapidly increased, so that the elevator maintenance personnel can be timely informed of maintenance through the arranged alarm device.
Description
Technical Field
The utility model belongs to the technical field of mechanical fault prevention, and particularly relates to equipment for detecting an elevator band-type brake clamping group through a temperature sensor.
Background
A band-type brake is an electromechanical device that prevents the elevator from moving again when the elevator car is stationary and the motor is in a power-off state. In some control modes, the elevator can be braked when the motor is powered off, the control mode is that the band-type brake is loosened when power is on and is clamped when power is off, the detection signal of the band-type brake clamping group is combined with the power signal obtained by the band-type brake contactor, the mechanical action is converted into an electric signal action and fed back to the mainboard, and then the mainboard judges whether the operation is normal or not and whether the operation is synchronous or not and whether the operation is continued or not, so that the situation that the unilateral brake opening caused by mechanical abrasion causes the elevator to slide or other faults with insufficient braking force is avoided. The braking force of the brake is not enough to cause the door opening and sliding of many elevators, namely the accidental movement of the elevator car can be prevented, so that whether the brake clamping group works normally or not in the operation process of the elevator car is very important.
The band-type brake card group detection mode on the market at present goes to the investigation through artifical inspection, and this kind of mode has certain limitation in using, the emergence of unable prevention trouble, in case the opening and shutting of band-type brake card group goes wrong and can't in time solve, causes large-scale accident very probably, also has certain danger through the mode of artifical investigation moreover, consequently, we propose one kind and detect the equipment of elevator band-type brake card group through temperature sensor.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects and provide equipment for detecting the elevator brake clamping group through a temperature sensor, so as to solve the problem that the fault cannot be prevented manually in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an equipment through temperature sensor detection elevator band-type brake card group, includes the card group case, the inside power house that is provided with of card group case, the inside first motor that is provided with of power house, first motor one end is rotated and is connected with first lead screw, first lead screw thread connection has first brake arm, the inside second motor that is provided with of power house, second motor one end is rotated and is connected with the second lead screw, second lead screw thread connection has the second brake arm, first brake arm and the equal fixedly connected with of second brake arm one side contracting brake piece, be provided with the driving sheave between the contracting brake piece, contracting brake piece upper end all is provided with the temperature-sensing ware, card group case one side is provided with the drag reduction groove, the drag reduction groove is provided with two, card group incasement portion is provided with alarm device.
Preferably, the other ends of the first brake arm and the second brake arm are provided with rotating shafts, and the rotating shafts are rotatably connected inside the fixed base.
Preferably, the fixing base is internally provided with an alarm device, and fixing rods are arranged at two ends of the alarm device.
Preferably, both sides of the clamping box are provided with threaded through holes, and the threaded through holes are respectively in rotating connection with the first screw rod and the second screw rod.
Preferably, an outer cam disc penetrates through the inside of the clamping group box, a traction sheave is arranged in the outer cam disc, and a traction rope is rotatably connected in the traction sheave.
Preferably, a control device is arranged inside the power chamber, and the control device is electrically connected with the first motor and the second motor.
Preferably, both sides of the clamping box are provided with fixing holes, and fixing rods are arranged in the fixing holes.
Compared with the prior art, the utility model provides equipment for detecting the elevator brake clamping group through the temperature sensor, which has the following beneficial effects:
1. according to the elevator brake, through the arranged power chamber, when an elevator car runs, once the elevator car is in a power failure out of control condition, emergency braking can be carried out on the elevator brake, so that the elevator stops running, the personal safety of personnel in the elevator is guaranteed, through the first motor and the second motor which are arranged in the power chamber, the first brake arm and the second brake arm can move through the first lead screw and the second lead screw, the brake effect on a traction wheel is achieved, when the elevator car is braked at intervals on a common floor, a single brake arm is adopted for braking, and when an emergency situation occurs, the first brake arm and the second brake arm work simultaneously, so that emergency braking can be carried out, and the safe running of the elevator is guaranteed;
2. according to the utility model, through the arranged temperature sensor, after the operation fault of the elevator is eliminated, in order to prevent the contracting brake piece from being tightly attached to the traction wheel, the contracting brake piece is abraded in the operation process of the traction wheel, so that the next emergency cannot be timely braked, therefore, the temperature of the contracting brake piece can be detected by adding the temperature sensor near the contracting brake piece, if the contracting brake piece is normally and completely opened, the temperature of the contracting brake piece cannot be increased, if the contracting brake piece is not completely opened, heat can be generated due to friction between the contracting brake piece and the traction wheel, the temperature is rapidly increased, and the temperature change of the contracting brake piece can be detected through the arranged temperature sensor, so that an elevator maintenance worker can be timely notified to maintain through the arranged alarm device;
3. according to the utility model, through the arranged resistance-reducing groove, when the elevator car runs, the volume of the clamping box is larger, the air resistance is also larger, so that the consumed power and the electric power are also larger, and through the resistance-reducing groove arranged outside the clamping box, the air resistance of the clamping box can be greatly reduced, so that the elevator car can save a part of power to a great extent, and on the other hand, the influence of heat generated due to air friction on the internal temperature sensor can also be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
fig. 1 is a schematic structural diagram of an apparatus for detecting an elevator brake clamping group through a temperature sensor according to the present invention;
fig. 2 is a sectional view of an apparatus for detecting an elevator brake caliper by a temperature sensor according to the present invention;
fig. 3 is a side view of an apparatus for detecting an elevator brake calliper by means of a temperature sensor according to the utility model;
fig. 4 is an enlarged view of a in fig. 2 of the device for detecting the elevator brake clamping group through the temperature sensor, which is provided by the utility model;
in the figure: 1. a card group box; 2. an outer cam plate; 3. a hoisting rope; 4. a threaded through hole; 5. a fixing hole; 6. A first lead screw; 7. a first brake arm; 8. a second brake arm; 9. a temperature sensor; 10. a contracting brake pad; 11. a rotating shaft; 12. a second lead screw; 13. a traction sheave; 14. fixing the rod; 15. an alarm device; 16. A fixed base; 17. a resistance reducing groove; 18. a first motor; 19. a second motor; 20. a power chamber; 21. And a control device.
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. 1-4, the present invention provides a technical solution: an apparatus for detecting an elevator brake clamping set through a temperature sensor comprises a clamping set box 1, a power chamber 20 is arranged in the clamping set box 1, a first motor 18 is arranged in the power chamber 20, one end of the first motor 18 is rotatably connected with a first lead screw 6, the first lead screw 6 is in threaded connection with a first brake arm 7, a second motor 19 is arranged in the power chamber 20, one end of the second motor 19 is rotatably connected with a second lead screw 12, the second lead screw 12 is in threaded connection with a second brake arm 8, brake pads 10 are fixedly connected on one sides of the first brake arm 7 and the second brake arm 8, a traction wheel 13 is arranged between the brake pads 10, a temperature sensor 9 is arranged at the upper end of each brake pad 10, a resistance reducing groove 17 is arranged on one side of the clamping set box 1, two resistance reducing grooves 17 are arranged, an alarm device 15 is arranged in the clamping set box 1, when an emergency occurs, the first brake arm 7 and the second brake arm 8 work simultaneously, the emergency brake can be realized, and the safe operation of the elevator is ensured.
In the utility model, preferably, the other ends of the first brake arm 7 and the second brake arm 8 are both provided with a rotating shaft 11, and the rotating shaft 11 is rotatably connected inside the fixed base 16, so that the brake arms can flexibly rotate, and the traction sheave 13 can be emergently braked.
In the present invention, it is preferable that the fixing bars 14 are provided at both ends of the alarm device 15 provided in the fixing base 16, so that the stability of the alarm device 15 can be improved.
In the utility model, preferably, the two sides of the clamping box 1 are both provided with the threaded through holes 4, and the threaded through holes 4 are respectively in rotating connection with the first screw rod 6 and the second screw rod 12, so that the elevator brake can perform emergency braking once the elevator brake is in a power failure out of control condition.
In the utility model, preferably, the inside of the clamping box 1 is provided with the outer cam disc 2 in a penetrating way, the inner part of the outer cam disc 2 is provided with the traction sheave 13, the inner part of the traction sheave 13 is rotatably connected with the traction rope 3, and when an emergency occurs, the first brake arm 7 and the second brake arm 8 work simultaneously, so that emergency braking can be realized, and the safe operation of the elevator is ensured.
In the present invention, it is preferable that the control device 21 is disposed inside the power chamber 20, and the control device 21 is electrically connected to the first motor 18 and the second motor 19, so as to control the normal operation of the band-type brake pad 10.
In the present invention, preferably, fixing holes 5 are formed at both sides of the card box 1, and fixing rods 14 are disposed in the fixing holes 5, so that the stability of the alarm device 15 can be ensured.
The working principle and the using process of the utility model are as follows: when the elevator is used, through the arranged power chamber 20, when an elevator car runs and is in case of power failure and out of control, the elevator brake can carry out emergency braking to stop the elevator and ensure the personal safety of personnel in the elevator, through the first motor 18 and the second motor 19 arranged in the power chamber 20, the first brake arm 7 and the second brake arm 8 can move through the first lead screw 6 and the second lead screw 12 to achieve the braking effect on the traction sheave 13, when the elevator is braked at intervals in common floors, a single brake arm is adopted for braking, when an emergency occurs, the first brake arm 7 and the second brake arm 8 work simultaneously to carry out emergency braking and ensure the safe running of the elevator, through the arranged temperature sensor 9, when the running fault of the elevator is eliminated, in order to prevent the brake block 10 from clinging to the traction sheave 13, the brake block 10 is worn in the running process of the traction sheave 13, therefore, the brake can not be timely braked when an emergency is encountered next time, therefore, the temperature of the contracting brake sheet 10 can be detected by adding the temperature sensor 9 near the contracting brake sheet 10, if the contracting brake sheet 10 is normally and completely opened, the contracting brake sheet 10 can not be heated, if the contracting brake sheet 10 is not completely opened, heat can be generated due to friction between the contracting brake sheet 10 and the traction wheel 13, the temperature is rapidly heated, the temperature change of the contracting brake sheet 10 can be detected through the arranged temperature sensor 9, so that an elevator maintenance worker can be timely informed to maintain through the arranged alarm device 15, through the arranged resistance reducing groove 17, when an elevator car runs, because the size of the card group box 1 is larger, the air resistance received is also larger, the consumed power and the electric power are also larger, and through the resistance reducing groove 17 arranged outside the card group box 1, the air resistance of the card group box 1 can be greatly reduced, a part of power of the elevator car is saved to a great extent, and on the other hand, the influence of heat generated due to air friction on the internal temperature sensor 9 can be reduced.
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. The utility model provides an equipment of detecting elevator band-type brake card group through temperature sensor, includes card group case (1), its characterized in that: the clamping unit box is characterized in that a power chamber (20) is arranged inside the clamping unit box (1), a first motor (18) is arranged inside the power chamber (20), one end of the first motor (18) is rotatably connected with a first lead screw (6), a first brake arm (7) is connected with the first lead screw (6) through external threads, a second motor (19) is arranged inside the power chamber (20), one end of the second motor (19) is rotatably connected with a second lead screw (12), the second lead screw (12) is connected with a second brake arm (8) through external threads, brake pads (10) are fixedly connected to one sides of the first brake arm (7) and the second brake arm (8), a traction wheel (13) is arranged between the brake pads (10), a temperature sensor (9) is arranged at the upper end of each brake pad (10), a resistance reducing groove (17) is arranged on one side of the clamping unit box (1), and two resistance reducing grooves (17) are arranged, an alarm device (15) is arranged in the card group box (1).
2. The device for detecting the elevator brake block through the temperature sensor according to claim 1, is characterized in that: the other ends of the first brake arm (7) and the second brake arm (8) are respectively provided with a rotating shaft (11), and the rotating shafts (11) are rotatably connected inside the fixed base (16).
3. The device for detecting the elevator brake block through the temperature sensor according to claim 2 is characterized in that: and fixing rods (14) are arranged at two ends of an alarm device (15) arranged in the fixing base (16).
4. The device for detecting the elevator brake block through the temperature sensor according to claim 1, is characterized in that: both sides of the clamping group box (1) are provided with thread through holes (4), and the thread through holes (4) are respectively in rotating connection with the first screw rod (6) and the second screw rod (12).
5. The device for detecting the elevator brake block through the temperature sensor according to claim 1, is characterized in that: an outer cam disc (2) penetrates through the inside of the clamping group box (1), a traction sheave (13) is arranged in the outer cam disc (2), and a traction rope (3) is rotatably connected in the traction sheave (13).
6. The device for detecting the elevator brake block through the temperature sensor according to claim 1, is characterized in that: the power chamber (20) is internally provided with a control device (21), and the control device (21) is electrically connected with the first motor (18) and the second motor (19).
7. The device for detecting the elevator brake block through the temperature sensor according to claim 1, is characterized in that: both sides of the clamping box (1) are provided with fixing holes (5), and fixing rods (14) are arranged in the fixing holes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121194464.2U CN215974472U (en) | 2021-05-31 | 2021-05-31 | Equipment for detecting elevator band-type brake clamping group through temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121194464.2U CN215974472U (en) | 2021-05-31 | 2021-05-31 | Equipment for detecting elevator band-type brake clamping group through temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974472U true CN215974472U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121194464.2U Active CN215974472U (en) | 2021-05-31 | 2021-05-31 | Equipment for detecting elevator band-type brake clamping group through temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974472U (en) |
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2021
- 2021-05-31 CN CN202121194464.2U patent/CN215974472U/en active Active
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