CN204714304U - A kind of staircase of use safety - Google Patents
A kind of staircase of use safety Download PDFInfo
- Publication number
- CN204714304U CN204714304U CN201520171537.4U CN201520171537U CN204714304U CN 204714304 U CN204714304 U CN 204714304U CN 201520171537 U CN201520171537 U CN 201520171537U CN 204714304 U CN204714304 U CN 204714304U
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- staircase
- use safety
- normally closed
- detector switch
- closed contact
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Abstract
The utility model discloses a kind of staircase of use safety, comprise the detector switch of main frame and sensing position of host machine, described detector switch at least drives a pair to be connected on the first normally closed contact in the safety return circuit of staircase, and a pair is connected on the second normally closed contact in the driving circuit of escalator auxiliary brake.Described main frame comprises motor and drop-gear box, and described drop-gear box is arranged on staircase and girder by pedestal, and this pedestal is provided with support, support is fixed with position adjustments plate, and described detector switch is arranged on this position adjustments plate.The staircase of the utility model use safety, structure is simple, is easy to install, and low cost of manufacture, can make a response rapidly to the main frame displacement of staircase, realize the timely braking of staircase.
Description
Technical field
The utility model relates to staircase technical field, is specifically related to a kind of staircase of use safety.
Background technology
Escalator or moving sidewalk, can operate continuously, is applicable to the flow of the people place that vertical distance is not grown very greatly, such as market and station etc.
Escalator or moving sidewalk, operate under the driving of main frame, in Long-Time Service process, the foundation bolt of main frame may come off, cause main frame to be shifted, chain drive-belt comes off, and escalator or moving sidewalk are in motorless situation, manned fast downlink, causes substantial risk accident.
Reverse speed operation is there is in order to prevent escalator, in prior art, safety catch is arranged to escalator or moving sidewalk, such as, safety catch comprise there is block brake disc, fixed clamp truss two clamping plate, be sandwiched in pawl base between two clamping plate, rotate the ratchet, joystick, the attaching parts be connected with joystick, the normal adhesive electromagnet be arranged on truss that are arranged on pawl base.
If there is reversal in chain drive-belt chain rupture, operation hypervelocity, power-off suddenly or up process, normal adhesive electromagnet dead electricity, promote joystick by attaching parts to move, control lever pushes ratchet and rotates relative to pawl base, ratchet and block inconsistent, forbid disc rotation, prevent escalator or moving sidewalk because of the downward slide of Action of Gravity Field, escalator or moving sidewalk are when normally running, and ratchet is separated with block is stable, and ratchet can not affect the normal rotation of brake disc.
This technical scheme can improve the safety performance of escalator or moving sidewalk, but structure is comparatively complicated, needs for escalator or moving sidewalk install more mechanical part additional, is not easy to install and use on existing escalator and moving sidewalk.
Utility model content
The utility model provides a kind of staircase of use safety, and structure is simple, and be easy to install, low cost of manufacture, can make a response rapidly to the main frame displacement of staircase, realize the timely braking of staircase.
A kind of staircase of use safety, comprise the detector switch of main frame and sensing position of host machine, described detector switch at least drives a pair to be connected on the first normally closed contact in the safety return circuit of staircase, and a pair is connected on the second normally closed contact in the driving circuit of escalator auxiliary brake.
Staircase in the utility model contains escalator and moving sidewalk, when described detector switch detects that position of host machine is moved, drive the first normally closed contact and the second normally closed contact to disconnect simultaneously, first normally closed contact disconnects and causes the safety return circuit of staircase to disconnect, make staircase dead electricity, main frame band-type brake falls braking main frame, and the second normally closed contact disconnects the additional brake electromagnet dead electricity causing staircase, additional brake is braked terraced road drive wheel, prevents terraced road from gliding.
Main frame in the utility model, also be the driver train of staircase, because the running velocity of staircase is usually all slow, and drive the torque needed for staircase all comparatively large, therefore, described main frame comprises motor and drop-gear box, described drop-gear box is arranged on staircase and girder by pedestal, this pedestal is provided with support, support is fixed with position adjustments plate, and described detector switch is arranged on this position adjustments plate.
Described drop-gear box, with lower margin, is connected by foundation bolt between lower margin with pedestal, and described detector switch is the travel switch matched with lower margin.
Can be finely tuned the relative position of travel switch and lower margin by position adjustments plate, described position adjustments plate is provided with the predetermincd tension adjustment hole of bar shaped, is equipped with the bolt fixed with support in this predetermincd tension adjustment hole.
Travel switch contacts with lower margin, is the position in predetermincd tension adjustment hole by adjusting bolt, can predetermincd tension between adjustment travel switch and lower margin.The contact of described travel switch is with the roller compressed mutually with lower margin.
Foundation bolt appearance loosens and namely causes lower margin to rock, and namely triggers travel switch, and then drives the disconnection of the first normally closed contact and the second normally closed contact, and what realize staircase stops ladder timely and effectively.
Described travel switch adopts DC24V safety voltage, and what ensure in use procedure is safe and reliable.
As preferably, the first normally closed contact and the second normally closed contact are integrated on same relay, and described detector switch is connected in the control loop of this relay.
The break-make of described detector switch affects the break-make of relay control circuit, when detector switch is not triggered, the control loop of relay disconnects, first normally closed contact and the second normally closed contact are kept closed, after detector switch is triggered, the control loop conducting of relay, the first normally closed contact and the second normally closed contact become off-state simultaneously.
Described detector switch can be arranged on the optional position of drop-gear box periphery, and preferably, by chain gear between the drive sprocket of described staircase and reduction gearbox output shaft, described detector switch is arranged on the side of drop-gear box towards drive sprocket.
When drop-gear box is drawn close to drive sprocket, chain around the home between drive sprocket and reduction gearbox output shaft easily comes off, occur detector switch being arranged on the situation that staircase power is lost the side of drop-gear box towards drive sprocket, can effectively avoiding occurring this situation.
The staircase of the utility model use safety has following technique effect:
(1) structure is simple, is easy to install, low cost of manufacture, and the detector switch technology maturation of the sensing position of host machine of use is safe and reliable, can effectively make a response for the displacement of staircase main frame.
(2) detector switch drives the disconnection of two secondary normally closed contacts simultaneously, and two secondary normally closed contacts act on drg and the additional brake of staircase respectively, and that accomplishes steady and standard stops ladder.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the staircase of the utility model use safety;
Fig. 2 is the A portion enlarged drawing in Fig. 1;
Fig. 3 is the circuit diagram of the safety return circuit of staircase in the staircase of the utility model use safety;
Fig. 4 is the schematic diagram of the driving circuit of additional brake in the staircase of the utility model use safety.
In figure: 1, motor; 2, drop-gear box; 3, chain; 4, step baffle plate; 5, travel switch; 6, pedestal; 7, support; 8, position adjustments plate; 9, lower margin; S1, the first normally closed contact; S2, the second normally closed contact; Y2, electromagnetic brake coil.
Detailed description of the invention
Below in conjunction with accompanying drawing, the staircase of the utility model use safety is described in detail.
As shown in Fig. 1, Fig. 3, Fig. 4, a kind of staircase of use safety, comprise the travel switch 5 of main frame and sensing position of host machine, travel switch 5 drives has a pair to be connected on the first normally closed contact S1 in the safety return circuit of staircase, and a pair is connected on the second normally closed contact S2 in the driving circuit of escalator auxiliary brake.
As shown in Figure 1, main frame comprises the fixing motor 1 of relative position and drop-gear box 2, drop-gear box 2 is arranged on staircase and girder by pedestal 6, drop-gear box 2 is with lower margin 9, lower margin 9 is the derby with drop-gear box 2 shell integrative-structure, adopt foundation bolt to be connected between lower margin 9 with pedestal 6, derby is with the tapped bore matched in foundation bolt.
Travel switch 5 is between lower margin and step baffle plate 4, the contact of travel switch 5 with the roller compressed mutually with lower margin 9, and for Zero clearance contacts between the contact of travel switch 5 with lower margin 9, when loosening appears in foundation bolt, lower margin rocks and namely touches travel switch 5, realizes the triggering of travel switch 5.
Pedestal 6 is provided with support 7, support 7 is fixed with position adjustments plate 8, and travel switch 5 is arranged on position adjustments plate 8.Support 7 is Z-shaped plate part, for Support Position regulating plate 8, the height of the travel switch 5 on position adjustments plate 8 is adapted with lower margin.
Position adjustments plate 8 is provided with the bar hole of bar shaped, and this bar hole is predetermincd tension adjustment hole, is equipped with the bolt fixed with support 7 in bar hole.By the position of adjusting bolt in bar hole, the predetermincd tension between adjustment travel switch 5 and lower margin.
As shown in Figure 1 and Figure 2, by chain 3 transmission between the drive sprocket of staircase and drop-gear box 2 output shaft, travel switch 5 is arranged on the side of drop-gear box 2 towards drive sprocket.
First normally closed contact S1 and the second normally closed contact S2 is integrated on same relay, and travel switch 5 is connected in the control loop of relay.
The working process of the staircase of the utility model use safety is as follows:
When the foundation bolt of main frame is firm, as shown in Figure 3, the safety return circuit of staircase is in closure state, as shown in Figure 4, the driving circuit of additional brake is in closure state, and additional brake solenoid circuit is energized, electromagnetic brake coil Y2 obtains electric, and declutch and open, staircase normally runs;
When the foundation bolt of main frame loosens, the first normally closed contact S1 disconnects, and the safety return circuit of staircase is in off-state, staircase dead electricity, and main frame band-type brake falls, and realizes braking; Meanwhile, the second normally closed contact S2 disconnects, and the driving circuit of additional brake is in off-state, the power-off of additional brake solenoid circuit, and electromagnetic brake coil Y2 dead electricity, the mechanics of additional brake is braked terraced road, and staircase is out of service.
The elaboration of book according to the above description, the utility model those skilled in the art can describe these embodiments and text and carry out suitable change and amendment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (7)
1. the staircase of a use safety, comprise the detector switch of main frame and sensing position of host machine, it is characterized in that, described detector switch at least drives a pair to be connected on the first normally closed contact in the safety return circuit of staircase, and a pair is connected on the second normally closed contact in the driving circuit of escalator auxiliary brake.
2. the staircase of use safety as claimed in claim 1, it is characterized in that, described main frame comprises motor and drop-gear box, described drop-gear box is arranged on staircase and girder by pedestal, this pedestal is provided with support, support is fixed with position adjustments plate, and described detector switch is arranged on this position adjustments plate.
3. the staircase of use safety as claimed in claim 2, it is characterized in that, described drop-gear box, with lower margin, is connected by foundation bolt between lower margin with pedestal, and described detector switch is the travel switch matched with lower margin.
4. the staircase of use safety as claimed in claim 1, it is characterized in that, the first normally closed contact and the second normally closed contact are integrated on same relay, and described detector switch is connected in the control loop of this relay.
5. the staircase of use safety as claimed in claim 2, it is characterized in that, described position adjustments plate is provided with the predetermincd tension adjustment hole of bar shaped, is equipped with the bolt fixed with support in this predetermincd tension adjustment hole.
6. the staircase of use safety as claimed in claim 3, is characterized in that, the contact of described travel switch is with the roller compressed mutually with lower margin.
7. the staircase of the use safety as described in as arbitrary in claim 2 ~ 6, is characterized in that, by chain gear between the drive sprocket of described staircase and reduction gearbox output shaft, described detector switch is arranged on the side of drop-gear box towards drive sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171537.4U CN204714304U (en) | 2015-03-25 | 2015-03-25 | A kind of staircase of use safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171537.4U CN204714304U (en) | 2015-03-25 | 2015-03-25 | A kind of staircase of use safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204714304U true CN204714304U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520171537.4U Active CN204714304U (en) | 2015-03-25 | 2015-03-25 | A kind of staircase of use safety |
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| CN (1) | CN204714304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3599212A1 (en) * | 2018-07-27 | 2020-01-29 | Otis Elevator Company | Drive misalignment monitoring in a people conveyor |
| CN112379614A (en) * | 2020-10-14 | 2021-02-19 | 北京市地铁运营有限公司地铁运营技术研发中心 | Motor foundation monitoring method and system for subway escalator |
-
2015
- 2015-03-25 CN CN201520171537.4U patent/CN204714304U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3599212A1 (en) * | 2018-07-27 | 2020-01-29 | Otis Elevator Company | Drive misalignment monitoring in a people conveyor |
| US10850947B2 (en) | 2018-07-27 | 2020-12-01 | Otis Elevator Company | Misalignment monitoring in a people conveyor |
| CN112379614A (en) * | 2020-10-14 | 2021-02-19 | 北京市地铁运营有限公司地铁运营技术研发中心 | Motor foundation monitoring method and system for subway escalator |
| CN112379614B (en) * | 2020-10-14 | 2022-04-01 | 北京市地铁运营有限公司地铁运营技术研发中心 | Motor foundation monitoring method and system for subway escalator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |