CN216559692U - Staircase brake simulation device - Google Patents
Staircase brake simulation device Download PDFInfo
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- CN216559692U CN216559692U CN202123300570.7U CN202123300570U CN216559692U CN 216559692 U CN216559692 U CN 216559692U CN 202123300570 U CN202123300570 U CN 202123300570U CN 216559692 U CN216559692 U CN 216559692U
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- brake
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- main shaft
- inertia
- escalator
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Abstract
The utility model belongs to the field of elevator equipment, and discloses an escalator brake simulation device which comprises an installation frame, a rotating main shaft, a power mechanism and an inertia assembly, wherein the rotating main shaft is installed on the installation frame, a brake is installed on the rotating main shaft, a brake starting assembly is arranged on the installation frame, the brake starting assembly is matched with the brake, the power mechanism drives or blocks the rotating main shaft to rotate, and the inertia assembly is connected to the rotating main shaft. The escalator brake device can simulate the escalator brake process, and is convenient for adjusting the escalator brake effect.
Description
Technical Field
The utility model belongs to the field of elevator equipment, and particularly relates to an escalator brake simulation device.
Background
After the escalator is installed on site, a full-load test must be carried out, and the operation is as follows: moving the weight to the step of the staircase (simulating the working condition of the passenger when riding the staircase), then the staircase operates according to the nominal speed, and then the staircase is powered off, so that the staircase can act as an additional brakeStopping with a stop, the maximum deceleration should not exceed 1m/s2. The traditional test mode needs to build a test frame (field civil engineering is used for testing, if the test is not smooth and involves rectification, resources are relatively insufficient on the field relative to the interior of a factory, so that the rectification difficulty is high); and related personnel are required to move the heavy blocks to the steps of the escalator, so that the workload is large. Therefore, the labor consumption in the testing process is high, and the testing is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides an escalator braking simulation device which can simulate the escalator braking process and is convenient for adjusting the escalator braking effect.
The technical scheme is as follows:
staircase braking analogue means includes mounting bracket, rotation main shaft, power unit and inertia subassembly, it installs to rotate the main shaft on the mounting bracket, rotate and install the stopper on the main shaft, be provided with braking starting assembly on the mounting bracket, braking starting assembly with the stopper cooperatees, power unit drive or obstruct the rotation main shaft rotates, inertia subassembly is associated extremely rotate the main shaft.
In one embodiment, the power mechanism includes a first power set and a second power set, and the first power set and the second power set drive or block the rotation of the rotating main shaft.
In one embodiment, the inertial assembly includes an inertial shaft and an inertial weight mounted on the inertial shaft, the inertial shaft being associated with the rotational axis.
In one embodiment, the first power set includes a first motor, and an output shaft of the first motor is rotationally coupled to the inertia rotating shaft.
In one embodiment, the first power pack and the second power pack are provided with a first gearbox and a second gearbox, respectively.
In one embodiment, the brake comprises a brake seat, a brake abrasive disc and a brake wheel, wherein the brake seat is mounted on the rotating main shaft, the brake abrasive disc is relatively and fixedly mounted on the brake seat, the brake wheel is rotatably mounted on the brake seat, the brake wheel is in contact with the brake abrasive disc, and the brake starting assembly is matched with the brake wheel.
In one embodiment, the brake seat is provided with a ring groove, the brake grinding sheet is arranged on the ring groove, and the brake wheel is arranged on the ring groove and is in pressing contact with the brake grinding sheet.
In one embodiment, the brake starting assembly comprises a clamping block and a power driving part, and the power driving part drives the clamping block to move; when braking, the power driving part drives the clamping block to be clamped on the brake wheel.
In one embodiment, the brake actuating assembly further includes a rotating rod, the holding block is fixed on the rotating rod, the power driving member is an electromagnet, and an extending portion of the electromagnet is connected with the rotating rod.
In one embodiment, the escalator brake simulation device is further provided with a photoelectric sensor, the photoelectric sensor is mounted on the mounting frame, and the sensing part of the photoelectric sensor corresponds to the rotating main shaft.
The technical scheme provided by the utility model has the following advantages and effects:
when needing simulation braking effect, install the stopper on rotating the main shaft, then will rotate the main shaft and install on the mounting bracket, the rotation main shaft of test can rotate on the mounting bracket, and the braking start assembly is relative with the stopper. The power mechanism provides power or corresponding resistance, so that the torque on the rotating main shaft reaches a certain numerical value, and the kinetic energy and potential energy existing when passengers take the escalator are simulated. Wherein during normal rotation, the inertia assembly follows the rotation. When simulation braking is needed, the braking starting assembly is matched with the brake, so that braking is achieved, the power mechanism stops output of braking force, but kinetic energy of passengers cannot immediately disappear, so that the existence of the inertia assembly simulates kinetic energy of the passengers, and simulation braking effect is achieved. The real braking effect is simulated by detecting the change of the rotating speed of the rotating main shaft, so that the workload and the operation difficulty are greatly reduced.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of a mount structure according to an embodiment of the utility model;
FIG. 3 is an exploded view of a mount according to an embodiment of the utility model;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a first power pack and an inertia assembly in a mating relationship in accordance with an embodiment of the present invention;
FIG. 6 is an exploded view of the first power pack and inertial assembly of the embodiment of the present invention;
FIG. 7 is a schematic perspective view of a second power pack in accordance with an embodiment of the present invention;
FIG. 8 is a schematic illustration of the brake and brake actuation assembly in accordance with an embodiment of the present invention.
Description of reference numerals:
10. a mounting frame; 11. a main shaft bracket; 20. rotating the main shaft; 30. an inertial component; 31. an inertial rotating shaft; 32. an inertial weight; 40. a first power pack; 41. a first motor; 42. a first reduction gearbox; 50. a second power group; 51. a second motor; 52. a second reduction gearbox; 61. a brake base; 62. braking abrasive disc; 63. a brake wheel; 70. a brake actuation assembly; 71. a clamping block; 72. a powered drive member; 73. rotating the rod; 74. a card.
Detailed Description
In order to facilitate an understanding of the utility model, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.
As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
As shown in fig. 1 to 8, the escalator braking simulation device includes a mounting bracket 10, a rotating main shaft 20, a power mechanism and an inertia assembly 30, the rotating main shaft 20 is installed on the mounting bracket 10, a brake is installed on the rotating main shaft 20, a braking starting assembly 70 is arranged on the mounting bracket 10, the braking starting assembly 70 is matched with the brake, the power mechanism drives or blocks the rotating main shaft 20 to rotate, and the inertia assembly 30 is associated with the rotating main shaft 20.
When it is desired to simulate the braking effect, the brake is mounted on the rotating main shaft 20, and then the rotating main shaft 20 is mounted on the mounting block 10, the tested rotating main shaft 20 is rotatable on the mounting block 10, and the brake actuating assembly 70 is opposite to the brake. The power mechanism provides power or corresponding resistance, so that the torque on the rotating main shaft 20 reaches a certain value, and the kinetic energy and potential energy existing when passengers take the escalator are simulated. Wherein the inertia assembly 30 follows the rotation during normal rotation. When the simulated braking is needed, the brake starting assembly 70 is matched with the brake to realize the braking, the power mechanism stops the output of the braking force, but the kinetic energy of the passenger does not immediately disappear, so the existence of the inertia assembly 30, namely the kinetic energy of the passenger is simulated to realize the simulated braking effect. By detecting the change of the rotating speed of the rotating main shaft 20, the real braking effect is simulated, so that the workload and the operation difficulty are greatly reduced.
As shown in fig. 1 and fig. 4 to 6, the power mechanism includes a first power set 40 and a second power set 50, and the first power set 40 and the second power set 50 drive or block the rotation of the rotating main shaft 20. Wherein the first power pack 40 is primarily used to provide motive force and the second power pack 50 provides resistance to simulate the potential energy of an occupant. Therefore, in simulated braking, when the first power pack 40 is stopped, the second power pack 50 is still in operation, i.e., simulating the potential energy of the occupant, which is provided by the inertia assembly 30.
As shown in fig. 5 and 6, the inertia assembly 30 includes an inertia rotating shaft 31 and an inertia weight 32, the inertia weight 32 is mounted on the inertia rotating shaft 31, and the inertia rotating shaft 31 is associated with the rotating main shaft 20. The inertial weights 32 are used to provide kinetic energy while rotating, and by increasing the number of inertial weights 32, the number of passengers is simulated. Certainly, the inertia rotating shaft 31 is used for installing the inertia weight 32, and in order to install the inertia weight 32, the inertia weight 32 is arranged to be semicircular, and after the inertia rotating shaft 31 is assembled, the inertia weight is spliced to be circular.
As shown in fig. 5 and 6, the first power group 40 includes a first motor 41, and an output shaft of the first motor 41 is rotationally engaged with the inertia rotating shaft 31. Specifically, in this embodiment, the first motor 41 is a dual-shaft motor, one end of the output shaft of the first motor 41 is used for controlling the rotation of the rotation main shaft 20, and the other end of the output shaft of the first motor 41 is used for controlling the rotation of the inertia rotating shaft 31, and because the two shafts are coaxial, even if the first motor 41 suddenly stops providing power, the inertia rotating shaft 31 will continue to drive the output shaft of the first motor 41 to rotate without sudden change, thereby realizing the continuity from the work to the braking process of the rotation main shaft 20. Specifically, a flywheel is mounted on one end of the output shaft of the first motor 41, and the inertia rotating shaft 31 is also mounted with a flywheel, which are connected by a belt.
As shown in fig. 4 to 7, the first power pack 40 and the second power pack 50 are provided with a first transmission case and a second transmission case, respectively. The second power group 50 includes a second motor 51, and the second motor 51 is a single-shaft motor. And the second power group 50 is provided with two groups, and when the potential energy of the simulated passengers is continuously increased, the equivalent torque can be output by controlling the transmission ratio of the second gearbox. The first transmission may also control the torque and speed output of the first power pack 40.
In this embodiment, the first power set 40 and the second power set 50 both use chain transmission.
As shown in fig. 8, the brake includes a brake base 61, a brake pad 62 and a brake wheel 63, the brake base 61 is mounted on the rotating spindle 20, the brake pad 62 is relatively fixedly mounted on the brake base 61, the brake wheel 63 is rotatably mounted on the brake base 61, the brake wheel 63 is in contact with the brake pad 62, and the brake actuating assembly 70 is engaged with the brake wheel 63. During normal operation of the rotating spindle 20, the brake wheel 63 is in contact with the brake pad 62 and is fixed relative to the brake shoe 61. When simulation braking is needed, the brake starting assembly 70 acts and is clamped on the brake wheel 63, so that the brake wheel 63 is blocked and rubs with the brake abrasive disc 62, and a braking effect is achieved.
As shown in fig. 8, a ring groove is formed on the brake base 61, the brake pad 62 is mounted on the ring groove, and the brake wheel 63 is mounted on the ring groove and is in pressing contact with the brake pad 62. The close contact of brake plate 62 with the ring grooves facilitates providing more frictional resistance. Specifically, a gland is mounted on the brake seat 61, a brake abrasive disc 62 is mounted on the inner side of the gland, the gland is mounted on the brake seat 61 through a nail body, and the friction force between the brake abrasive disc 62 and a brake wheel 63 is controlled through the tightening degree of the nail body.
As shown in fig. 3, the brake actuating assembly 70 includes a holding block 71 and a power driving member 72, wherein the power driving member 72 drives the holding block 71 to move; during braking, the power driving part 72 drives the clamping block 71 to be clamped on the brake wheel 63. The clamping block 71 is controlled to move by the power driving part 72, so that the clamping block 71 is clamped on the brake wheel 63, the brake wheel 63 cannot rotate, sliding friction is generated, and braking force is provided.
As shown in fig. 3 and 4, the brake actuating assembly 70 further includes a rotating rod 73, the holding block 71 is fixed on the rotating rod 73, the power driving member 72 is an electromagnet, and an overhanging portion of the electromagnet is connected with the rotating rod 73. The rotating rod 73 drives the clamping block 71 to rotate for clamping into the braking wheel 63 and rotating out of the braking wheel 63, wherein the rotating rod 73 rotates relative to the mounting rack 10, the rotating rod 73 is also provided with a protruding clamping piece 74, and the electromagnet drives the clamping piece 74 to realize the rotation of the rotating rod 73, so as to control the rotation of the clamping block 71.
Specifically, the brake wheel 63 engages the pawl of the block 71 using a ratchet.
As shown in fig. 2 and 3, the escalator brake simulation device is further provided with a photoelectric sensor, the photoelectric sensor is mounted on the mounting frame 10, and the sensing part of the photoelectric sensor corresponds to the rotating main shaft 20. The photoelectric sensor is used for sensing the rotation speed change of the rotating main shaft 20, thereby outputting test data.
Specifically, as shown in fig. 2 and 3, a spindle bracket 11 is mounted on the mounting bracket 10, the rotating spindle 20 is mounted on the spindle bracket 11, a plurality of transverse grooves are formed in the spindle bracket 11, and the nail body penetrates through the transverse grooves to be fixed with the mounting bracket 10, so that when different rotating spindles 20 are mounted, the positions of the different rotating spindles 20 can be adjusted through the transverse grooves.
When the drawing description is quoted, the new characteristics are explained; in order to avoid that repeated reference to the drawings results in an insufficiently concise description, the drawings are not referred to one by one in the case of clear description of the already described features.
The above examples are not intended to be exhaustive of the utility model and there may be many other embodiments not listed. Any alterations and modifications without departing from the spirit of the utility model are within the scope of the utility model.
Claims (10)
1. Staircase braking analogue means, its characterized in that includes the mounting bracket, rotates main shaft, power unit and inertia subassembly, it installs to rotate the main shaft on the mounting bracket, rotate and install the stopper on the main shaft, be provided with braking start assembly on the mounting bracket, braking start assembly with the stopper cooperatees, power unit drive or hindrance rotate the main shaft and rotate, inertia subassembly is associated extremely rotate the main shaft.
2. An escalator brake simulation device according to claim 1, wherein the power mechanism comprises a first power group and a second power group, and the first power group and the second power group drive or prevent the rotation of the rotating main shaft.
3. An escalator brake simulation device according to claim 2, wherein the inertia assembly comprises an inertia shaft and an inertia weight, the inertia weight being mounted on the inertia shaft, the inertia shaft being associated with the main axis of rotation.
4. An escalator brake simulator as claimed in claim 3, wherein the first power pack comprises a first motor, the output shaft of which is in rotational engagement with the inertial rotating shaft.
5. An escalator brake simulator as claimed in claim 2, wherein the first power pack and the second power pack are provided with a first gearbox and a second gearbox respectively.
6. An escalator brake simulation device according to any one of claims 1 to 5, wherein the brake comprises a brake base mounted on the rotary spindle, a brake pad relatively fixedly mounted on the brake base, and a brake wheel rotatably mounted on the brake base and in contact with the brake pad, the brake actuation assembly engaging the brake wheel.
7. An escalator brake simulation device according to claim 6, wherein the brake base is provided with a ring groove, the brake pad is mounted in the ring groove, and the brake wheel is mounted in the ring groove and in pressing contact with the brake pad.
8. An escalator brake simulation device as claimed in claim 6, wherein the brake actuation assembly includes a holding block and a power drive member, the power drive member moving the holding block; when the braking device is used for braking, the power driving part drives the clamping block to be clamped on the braking wheel.
9. An escalator brake simulation device according to claim 8, wherein the brake actuation assembly further comprises a rotating rod, the holding block is fixed to the rotating rod, the power driving member is an electromagnet, and an overhanging portion of the electromagnet is connected to the rotating rod.
10. An escalator brake simulation device according to any one of claims 1 to 5, wherein a photoelectric sensor is provided, the photoelectric sensor being mounted on the mounting frame, the sensing portion of the photoelectric sensor corresponding to the main axis of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123300570.7U CN216559692U (en) | 2021-12-23 | 2021-12-23 | Staircase brake simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123300570.7U CN216559692U (en) | 2021-12-23 | 2021-12-23 | Staircase brake simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216559692U true CN216559692U (en) | 2022-05-17 |
Family
ID=81556106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123300570.7U Active CN216559692U (en) | 2021-12-23 | 2021-12-23 | Staircase brake simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216559692U (en) |
-
2021
- 2021-12-23 CN CN202123300570.7U patent/CN216559692U/en active Active
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