CN203976152U - Maintenance holdout device at the bottom of a kind of home lift sedan-chair - Google Patents
Maintenance holdout device at the bottom of a kind of home lift sedan-chair Download PDFInfo
- Publication number
- CN203976152U CN203976152U CN201420378084.8U CN201420378084U CN203976152U CN 203976152 U CN203976152 U CN 203976152U CN 201420378084 U CN201420378084 U CN 201420378084U CN 203976152 U CN203976152 U CN 203976152U
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- Prior art keywords
- push rod
- prevention
- car
- pull bar
- apical axis
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
At the bottom of the utility model discloses a kind of home lift sedan-chair, keep in repair holdout device, comprise push rod pressing plate, stop push rod, stop apical axis, stop pull bar, limit switch, spacing collision block, limit switch frame, electric wire, control housing, hoistway, pressure guide plate; Described prevention push rod is by stoping apical axis and stoping pull bar to form, described prevention push rod is provided with two covers, be assemblied in respectively on described car guide rail, described car guide rail is provided with pressure guide plate, on described pressure guide plate, be spirally connected and be provided with two push rod pressing plates, described push rod pressing plate and mutual vertical connection of described pressure guide plate, described push rod pressing plate and the socket of described prevention push rod, described travel switch, by wire and control housing electrical communication, is provided with master cock and reset switch on described control housing; These novel employing two cover holdout devices, be installed on respectively car and counterweight frame bottom, guarantee that car or counterweight can not glide, guarantee maintainer's safety, and reach the requirement in the manufacture of < < home lift and installation specification > > pit space.
Description
Technical field
The utility model relates to a kind of home lift technical equipment field, particularly maintenance holdout device at the bottom of a kind of home lift sedan-chair.
Background technology
It is manufacture and safety standard > > is installed according to GB7588-2003 < < elevator that the manufacture of home lift is installed, the wherein detailed requirement of not doing to home lift, cause the manufacture of home lift and installation and standard specifications to have difference, along with GB/T21739-2008 < < home lift is manufactured and appearance and execution that safety standard > > is installed, home lift has had the standard that is specific to oneself.Mechanical stopping device has clearly been proposed in standard: when this device busy position, guarantee the minimum safe space on pit and sedan-chair top, so that the device of maintenance and inspection.
Residential housing at present substantially can not reserved elevator hoistways when building, household ladder hoistway is all built out on the basis of existing building mostly, therefore the degree of depth of pit and relevant preventing do not meet design requirement in a lot of situations of facility, in order to guarantee that maintainer has certain maintenance space below sedan-chair top in the situation that keeping in repair, meet the requirement in 5.4 pit spaces in the manufacture of < < home lift and installation specification > > GB/T21739-2008, and in assurance maintenance process, car or counterweight can not glide and cause maintainer's personal safety, the function that prevents that realizes little space is necessary.
Utility model content
For solving the problems of the technologies described above, the utility model keeps in repair holdout device at the bottom of a kind of home lift sedan-chair is provided, for deficiency of the prior art, adopt two cover holdout devices, be installed on respectively car bottom and counterweight bottom, by travel switch, monitor location status and the car of holdout device, the running state of counterweight, realize the safety in the home lift maintenance of little space, meet the depth requirements of elevator pit, guarantee in maintenance process that car or counterweight can not glide and cause maintainer's personal safety, and reach < < home lift manufacture with installation specification > > GB/T21739-2008 in the requirement in 5.4 pit spaces.
For achieving the above object, the technical solution of the utility model is as follows: maintenance holdout device at the bottom of a kind of home lift sedan-chair, comprise car, counterweight frame, counter weight guide track, car guide rail, push rod pressing plate, stop push rod, stop apical axis, stop pull bar, limit switch, spacing collision block, limit switch frame, electric wire, control housing, hoistway, pressure guide plate, pit, it is characterized in that:
Described hoistway below is provided with pit, and in described hoistway wall, relative direction is provided with car guide rail, and described car guide rail is provided with two, between described car guide rail, is provided with car, on described hoistway one sidewall, be provided with counter weight guide track, described counter weight guide track is relatively set with two, between described counter weight guide track, is provided with counterweight frame, described car, counterweight frame connect by steel rope, and via traction motor and traction guide wheel, realize the operation of lift car, described prevention push rod is by stoping apical axis and stoping pull bar to form, and described prevention push rod is provided with two covers, is assemblied in respectively on described car guide rail, and two covers stop push rod to bear respectively the prevention of described car and the prevention of counterweight frame, two covers stop push rod to have identical structure and size setting, described prevention apical axis is metal pipe material, described prevention pull bar is metal cylinder, described prevention pull bar consists of orthogonal two metal cylinders welding, on described prevention apical axis, be welded with two prevention pull bars, the intermediate cylindrical end of described prevention pull bar and described prevention apical axis are welded and fixed, and described two prevention pull bars are symmetrically welded respectively the top and the bottom of being fixed on described prevention apical axis, described prevention pull bar is positioned at phase the same side of described prevention apical axis, and keeps two described prevention pull bars coaxial up and down, on the car guide rail of described pit part, by being spirally connected, be fixedly installed described pressure guide plate, described pressure guide plate is provided with two, the position of described pressure guide plate on described car guide rail corresponds respectively to two prevention draw rod positions of described prevention apical axis, described pressure guide plate and push rod pressing plate are fixed on car guide rail by being spirally connected, on described pressure guide plate, be provided with two push rod pressing plates, described push rod pressing plate and mutual vertical connection of described pressure guide plate, described two push rod pressing plates are setting up and down, the outside welding of described push rod pressing plate is provided with sleeve pipe, in the middle of described sleeve pipe, be provided with binding bolt, axial prevention pull bar socket on sleeve pipe on described two push rod pressing plates and described prevention push rod, the axial cylindrical of described prevention pull bar is set on described two push rod pressing plates in sleeve pipe, and can be around described sleeve rotating transposition, described two covers stop push rod A position and B position to exchange, and C position and D position exchange, on car guide rail near pit place, be provided with two limit switch framves, be assemblied in respectively the lower part that two covers stop push rod, described limit switch frame and described pressure guide plate are welded and fixed, on described limit switch frame, be provided with limit switch and spacing collision block, described spacing collision block has E position and F position, described spacing collision block is by stoping the transposition of push rod, and touch described spacing collision block and move transposition, and and then trigger the contact action of described travel switch, described travel switch is by wire and control housing electrical communication, on described control housing, be provided with master cock and reset switch.
Before maintainer or supervisory personnel enter described car lower space, the prevention push rod of holdout device is located position in A (or C), maintainer or supervisory personnel cut service mode by elevator manually makes car (or counterweight frame) move to desired location, then the prevention push rod of holdout device is replaced in B (or D) position, the prevention push rod of holdout device turns to car or counterweight frame bottom; When stoping push rod to rotate, stop the lower end of push rod to stop pull bar that the spacing collision block of limit switch is pushed up to F position by E position, its spacing collision block is to F position, described limit switch contact action, realizing circuit switches, by electric wire, transfer signals to the control system in control housing, control system received signal starting protection system, forces to forbid elevator operation; So both with mechanical device, stop and to withstand car or counterweight frame is withstood in prevention, also by electric elements, guarantee that elevator or counterweight remain static simultaneously; When maintenance or supervisory personnel need after work prevention push rod and limit switch reset, and will arrive outside hoistway, the reset switch by operation setting in the control housing of hoistway outside just can make home lift return to normal working.
The diameter of described prevention pull bar is 12mm-20mm; Axially stoping pull bar length is 80mm-120mm; Laterally stoping pull bar length is 100mm-140mm.
The diameter of described prevention apical axis is 24-38mm; The wall thickness of described prevention apical axis is 2mm-6mm.
Described prevention apical axis length is 600mm-1200mm.
This novel holdout device is fixed on well pit, existing mechanical device prevents that car or counterweight frame from falling, also have two cover limit switches to control housing, to carry the signal of forbidding car or counterweight motion, control housing outside hoistway is provided with reset attachment, only have maintenance or the supervisory personnel of mandate that push rod is gone back to normal position, and operate this reset attachment being arranged in the control housing outside hoistway and just can make household ladder return to normal working; Can possess the double insurance of mechanics and electric part like this, the safety performance when can improve elevator in maintenance and checking, guarantees maintainer and supervisory personnel's personal safety.This device is made simple, and safety performance is high.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: adopt two cover holdout devices, be installed on respectively car bottom and counterweight bottom, by travel switch, monitor location status and the car of holdout device, the running state of counterweight, by external control housing, realize external control, realize the safety in the home lift maintenance of little space, meet the depth requirements of elevator pit, guarantee in maintenance process that car or counterweight can not glide and cause maintainer's personal safety, and reach < < home lift manufacture with installation specification > > GB/T21739-2008 in the requirement in 5.4 pit spaces.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is maintenance holdout device front view schematic diagram at the bottom of the disclosed a kind of home lift sedan-chair of the utility model embodiment;
Fig. 2 is maintenance holdout device birds-eye view schematic diagram at the bottom of the disclosed a kind of home lift sedan-chair of the utility model embodiment;
Fig. 3 is maintenance holdout device left view schematic diagram at the bottom of the disclosed a kind of home lift sedan-chair of the utility model embodiment;
Fig. 4 is I place enlarged drawing in the utility model Fig. 3;
Fig. 5 is G place enlarged drawing in the utility model Fig. 2.
Numeral and the represented corresponding component title of letter in figure:
1. car 2. counterweight frame 3. counter weight guide track 4. car guide rails
5. push rod pressing plate 6. stops push rod 7. to stop apical axis 8. to stop pull bar
9. spacing collision block 11. limit switch frame 12. electric wires of limit switch 10.
13. control housing 14. hoistways 15. are pressed guide plate 16. pits
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model keeps in repair holdout device at the bottom of a kind of home lift sedan-chair is provided, and comprises car 1, counterweight frame 2, counter weight guide track 3, car guide rail 4, push rod pressing plate 5, stops push rod 6, prevention apical axis 7, prevention pull bar 8, limit switch 9, spacing collision block 10, limit switch frame 11, electric wire 12, control housing 13, hoistway 14, pressure guide plate 15, pit 16.
Described hoistway 14 belows are provided with pit 16, and on described hoistway 14 sidewalls, relative direction is provided with car guide rail 4, and described car guide rail 4 is provided with two, between described car guide rail 4, is provided with car 1, on described hoistway 14 1 sidewalls, be provided with counter weight guide track 3, described counter weight guide track 3 is relatively set with two, between described counter weight guide track 3, is provided with counterweight frame 2, described car 1, counterweight frame 2 connect by steel rope, and via traction motor and traction guide wheel, realize the operation of the car 1 of elevator, described prevention push rod 6 is by stoping apical axis 7 and stoping pull bar 8 to form, and described prevention push rod 6 is provided with two covers, is assemblied in respectively on described car guide rail 4, and two covers stop push rod 6 to bear respectively the prevention of described car 1 and the prevention of counterweight frame 2, two covers stop push rod 6 to have identical structure and size setting, described prevention apical axis 7 is metal pipe material, described prevention pull bar 8 is metal cylinder, described prevention pull bar 8 consists of orthogonal two metal cylinders welding, on described prevention apical axis 7, be welded with two prevention pull bars 8, the intermediate cylindrical end of described prevention pull bar 8 and described prevention apical axis 7 are welded and fixed, and described two prevention pull bars 8 are symmetrically welded respectively the top and the bottom of being fixed on described prevention apical axis 7, described prevention pull bar 8 is positioned at phase the same side of described prevention apical axis 7, and keeps two described prevention pull bars 8 coaxial up and down, on the car guide rail 4 of described pit 16 parts, by being spirally connected, be fixedly installed described pressure guide plate 15, described pressure guide plate 15 is provided with two, the position of described pressure guide plate 15 on described car guide rail 4 corresponds respectively to two prevention pull bar 8 positions of described prevention apical axis 7, described pressure guide plate 15 is fixed on car guide rail 4 with push rod pressing plate 5 by being spirally connected, on described pressure guide plate 15, be provided with two push rod pressing plates 5, , described push rod pressing plate 5 and described mutual vertical connection of pressure guide plate 15, described two push rod pressing plates 5 are setting up and down, described push rod pressing plate 5 outside welding are provided with sleeve pipe, in the middle of described sleeve pipe, be provided with binding bolt, sleeve pipe on described two push rod pressing plates 5 and 7 sockets of the axial prevention pull bar on described prevention push rod 6, the axial cylindrical of described prevention pull bar 7 is set on described two push rod pressing plates 5 in sleeve pipe, and can be around described sleeve rotating transposition, described two covers stop push rod 6A position and B position to exchange, and C position and D position exchange, on car guide rail 4 near pit 16 places, be provided with two limit switch framves 11, be assemblied in respectively the lower part that two covers stop push rod 6, described limit switch frame 11 is welded and fixed with described pressure guide plate 15, on described limit switch frame 11, be provided with limit switch 9 and spacing collision block 10, described spacing collision block 10 has E position and F position, described spacing collision block 10 is by stoping the transposition of push rod 6, and touch described spacing collision block 10 and move transposition, and and then trigger the contact action of described travel switch 9, described travel switch 9 is by wire 12 and control housing 13 electrical communication, on described control housing 13, be provided with master cock and reset switch.
Before maintainer or supervisory personnel enter described car 1 lower space, the prevention push rod 6 of holdout device is located position in A (or C), maintainer or supervisory personnel cut service mode by elevator manually makes car 1 (or counterweight frame 2) move to desired location, then the prevention push rod 6 of holdout device is replaced in B (or D) position, the prevention push rod 6 of holdout device turns to car 1 or counterweight frame 2 bottoms; When stoping push rod 6 to rotate, stop the lower end of push rod 6 to stop pull bar 7 that the spacing collision block 10 of limit switch 9 is pushed up to F position by E position, its spacing collision block 10 is to F position, described limit switch 9 contact actions, realizing circuit switches, by electric wire 12, transfer signals to the control system of 13 li of control housings, control system received signal starting protection system, forces to forbid elevator operation; So both with mechanical device, stoped to withstand car 1 or stop and withstood counterweight frame 2, also by electric elements, guaranteed that elevator or counterweight remained static simultaneously; When maintenance or supervisory personnel need after work prevention push rod 6 and limit switch 9 resets, and will arrive hoistway 14 outsides, the reset switch by operation setting in the control housing 13 of hoistway 14 outsides just can make home lift return to normal working.
The diameter of described prevention pull bar 7 is 16mm; Axially stoping pull bar 7 length is 100mm; Laterally stoping pull bar 7 length is 120mm.
The diameter of described prevention apical axis 8 is 30mm; The wall thickness of described prevention apical axis 8 is 2mm.
Described prevention apical axis 8 length are 1100mm.
The beneficial effect that the utility model is implemented is: this novel holdout device is fixed on well pit, existing mechanical device prevents that car or counterweight frame from falling, also have two cover limit switches to control housing, to carry the signal of forbidding car or counterweight motion, control housing outside hoistway is provided with reset attachment, only have maintenance or the supervisory personnel of mandate that push rod is gone back to normal position, and operate this reset attachment being arranged in the control housing outside hoistway and just can make household ladder return to normal working; Can possess the double insurance of mechanics and electric part like this, the safety performance when can improve elevator in maintenance and checking, guarantees maintainer and supervisory personnel's personal safety.This device is made simple, and safety performance is high.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. at the bottom of a home lift sedan-chair, keep in repair holdout device, it is characterized in that, comprise car, counterweight frame, counter weight guide track, car guide rail, push rod pressing plate, stop push rod, stop apical axis, stop pull bar, limit switch, spacing collision block, limit switch frame, electric wire, control housing, hoistway, pressure guide plate, pit, described hoistway below is provided with pit, and in described hoistway wall, relative direction is provided with car guide rail, and described car guide rail is provided with two, between described car guide rail, is provided with car, on described hoistway one sidewall, be provided with counter weight guide track, described counter weight guide track is relatively set with two, between described counter weight guide track, is provided with counterweight frame, described car, counterweight frame connect by steel rope, and via traction motor and traction guide wheel, realize the operation of lift car, described prevention push rod is by stoping apical axis and stoping pull bar to form, and described prevention push rod is provided with two covers, is assemblied in respectively on described car guide rail, and two covers stop push rod to bear respectively the prevention of described car and the prevention of counterweight frame, two covers stop push rod to have identical structure and size setting, described prevention apical axis is metal pipe material, described prevention pull bar is metal cylinder, described prevention pull bar consists of orthogonal two metal cylinders welding, on described prevention apical axis, be welded with two prevention pull bars, the intermediate cylindrical end of described prevention pull bar and described prevention apical axis are welded and fixed, and described two prevention pull bars are symmetrically welded respectively the top and the bottom of being fixed on described prevention apical axis, described prevention pull bar is positioned at phase the same side of described prevention apical axis, and keeps two described prevention pull bars coaxial up and down, on the car guide rail of described pit part, by being spirally connected, be fixedly installed described pressure guide plate, described pressure guide plate is provided with two, the position of described pressure guide plate on described car guide rail corresponds respectively to two prevention draw rod positions of described prevention apical axis, described pressure guide plate and push rod pressing plate are fixed on car guide rail by being spirally connected, on described pressure guide plate, be provided with two push rod pressing plates, described push rod pressing plate and mutual vertical connection of described pressure guide plate, described two push rod pressing plates are setting up and down, the outside welding of described push rod pressing plate is provided with sleeve pipe, in the middle of described sleeve pipe, be provided with binding bolt, axial prevention pull bar socket on sleeve pipe on described two push rod pressing plates and described prevention push rod, the axial cylindrical of described prevention pull bar is set on described two push rod pressing plates in sleeve pipe, and can be around described sleeve rotating transposition, described two covers stop push rod A position and B position to exchange, and C position and D position exchange, on car guide rail near pit place, be provided with two limit switch framves, be assemblied in respectively the lower part that two covers stop push rod, described limit switch frame and described pressure guide plate are welded and fixed, on described limit switch frame, be provided with limit switch and spacing collision block, described spacing collision block has E position and F position, described spacing collision block is by stoping push rod to replace, and touch described spacing collision block and move transposition, and and then trigger the contact action of described travel switch, described travel switch, by wire and control housing electrical communication, is provided with master cock and reset switch on described control housing.
2. maintenance holdout device at the bottom of a kind of home lift sedan-chair according to claim 1, is characterized in that, the diameter of described prevention pull bar is 12mm-20mm; Axially stoping pull bar length is 80mm-120mm; Laterally stoping pull bar length is 100mm-140mm.
3. maintenance holdout device at the bottom of a kind of home lift sedan-chair according to claim 1, is characterized in that, the diameter of described prevention apical axis is 24-38mm; The wall thickness of described prevention apical axis is 2mm-6mm; Described prevention apical axis length is 600mm-1200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378084.8U CN203976152U (en) | 2014-07-09 | 2014-07-09 | Maintenance holdout device at the bottom of a kind of home lift sedan-chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420378084.8U CN203976152U (en) | 2014-07-09 | 2014-07-09 | Maintenance holdout device at the bottom of a kind of home lift sedan-chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976152U true CN203976152U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420378084.8U Expired - Fee Related CN203976152U (en) | 2014-07-09 | 2014-07-09 | Maintenance holdout device at the bottom of a kind of home lift sedan-chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483168A (en) * | 2018-05-25 | 2018-09-04 | 通力电梯有限公司 | Prevent device and elevator device |
| CN110240031A (en) * | 2019-04-03 | 2019-09-17 | 浙江巨人机电有限公司 | A kind of car machinery prevention device |
| CN115367586A (en) * | 2022-07-07 | 2022-11-22 | 江苏省特种设备安全监督检验研究院 | Elevator operation safety protection mechanism |
-
2014
- 2014-07-09 CN CN201420378084.8U patent/CN203976152U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483168A (en) * | 2018-05-25 | 2018-09-04 | 通力电梯有限公司 | Prevent device and elevator device |
| CN108483168B (en) * | 2018-05-25 | 2024-03-08 | 通力电梯有限公司 | Blocking device and elevator system |
| CN110240031A (en) * | 2019-04-03 | 2019-09-17 | 浙江巨人机电有限公司 | A kind of car machinery prevention device |
| CN110240031B (en) * | 2019-04-03 | 2024-03-12 | 浙江巨人机电有限公司 | Car mechanical stopping device |
| CN115367586A (en) * | 2022-07-07 | 2022-11-22 | 江苏省特种设备安全监督检验研究院 | Elevator operation safety protection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170709 |