CN209974024U - Elevator overhauls prevents weighing down structure - Google Patents
Elevator overhauls prevents weighing down structure Download PDFInfo
- Publication number
- CN209974024U CN209974024U CN201920160999.4U CN201920160999U CN209974024U CN 209974024 U CN209974024 U CN 209974024U CN 201920160999 U CN201920160999 U CN 201920160999U CN 209974024 U CN209974024 U CN 209974024U
- Authority
- CN
- China
- Prior art keywords
- rack
- pivot
- weighing down
- board
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model belongs to the technical field of elevator overhauls safety equipment, a elevator overhauls anti-falling structure is related to, it includes the base with elevartor shaft inner wall rigid coupling, be equipped with on the base and prevent weighing down the board, prevent weighing down the board and set up along the horizontal direction, still include the pivot of rotation erectting on the base, the pivot is along vertical direction setting, prevent weighing down the board then with the pivot rigid coupling, be equipped with the drive assembly who is used for driving the pivot rotation on the base; the utility model discloses having the back-off that prevents the faller and reseing and all can controlling through drive assembly, need not the manual rotation of maintainer and prevent the faller, and when drive assembly became invalid, prevent the faller and can not be because of receiving the effect that vibrations disturbed back-off by oneself yet.
Description
Technical Field
The utility model belongs to the technical field of the technique of elevator maintenance safety equipment and specifically relates to an elevator overhauls prevents weighing down structure.
Background
In order to ensure the safe and reliable operation of the elevator, the elevator needs to be regularly maintained, so that the service life of the elevator is prolonged, the faults of the elevator are reduced, and the potential safety hazards of the elevator can be prevented in time. When the elevator breaks down, timely repair is needed. In order to ensure the personal safety of the maintainers during the maintenance process, various auxiliary devices are often required besides necessary maintenance devices, such as safety ropes for the maintainers and anti-falling structures for elevators in a hovering state.
At present, chinese patent publication No. CN206985418U discloses a falling stopper for elevator maintenance, which includes a housing, a connecting device for connecting an elevator shaft is provided on the housing, a slot is provided on the front side of the housing, an iron stopper is provided inside the slot, one end of the stopper is hinged to the housing, an electromagnet is provided behind the stopper, the electromagnet attracts the stopper when the power is on, the stopper and the electromagnet abut against each other, and the stopper rotates outward when the power is off.
The above prior art solutions have the following drawbacks: simple structure is coarse, and the electro-magnet can only be held it when stopping the piece and inlaying the inslot, neither can put down stopping the piece through the mode of outage, also is difficult to inhale the piece and inhale the inslot after the use, relies on maintainer's manual operation completely. In addition, if the power supply system stops supplying power, the electromagnet no longer stably sucks the blocking piece, the blocking piece can be overturned out of the groove due to the interference of vibration in the elevator shaft, and at the moment, a maintainer needs to enter the elevator shaft to reset the elevator shaft, and the elevator shaft is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elevator overhauls prevents weighing down structure, it has the back-off that prevents weighing down the board and all can control through drive assembly with reseing, need not the manual rotation of maintainer and prevents weighing down the board, and when drive assembly became invalid, prevents weighing down the effect that the board can not back-off by oneself because of receiving vibrations interference yet.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an elevator overhauls prevents weighing down structure, includes the base with elevartor shaft inner wall rigid coupling, be equipped with on the base and prevent weighing down the board, prevent weighing down the board and set up along the horizontal direction, still include the pivot of rotating to erect on the base, the pivot sets up along vertical direction, prevents weighing down the board then with the pivot rigid coupling, be equipped with on the base and be used for driving the rotatory drive assembly of pivot.
By adopting the technical scheme, when the elevator is not overhauled, one side edge of the anti-falling plate is close to the inner wall of the elevator shaft, and the normal operation of the elevator car is not influenced; before the maintenance operation is carried out, the driving assembly drives the rotating shaft to rotate, so that the anti-falling plate is driven to rotate around the axis of the rotating shaft until the axis of the anti-falling plate is perpendicular to the inner wall of the elevator shaft, and the part of the anti-falling plate is positioned below the elevator at the moment, so that the elevator which is out of control is intercepted, and further falling of the elevator is prevented; in the process, the screwing-out and resetting of the anti-falling plate can be controlled by the driving assembly, the anti-falling plate does not need to be manually rotated by a maintainer, and the anti-falling plate can not be screwed out by itself due to vibration interference when the driving assembly fails.
The utility model discloses further set up to: the driving assembly comprises a gear, a rack and a cylinder, the gear sleeve is arranged on the rotating shaft, the gear is fixedly connected with the rotating shaft, the rack and the cylinder are arranged along the horizontal direction, the rack is meshed with the gear, and the rack is fixedly connected with a piston rod of the cylinder.
By adopting the technical scheme, when the piston rod of the air cylinder stretches, the rack is driven to move along the length direction of the piston rod, and the rack drives the gear meshed with the rack to rotate, so that the rotating shaft rotates.
The utility model discloses further set up to: the driving assembly further comprises a travel switch, and a contact is correspondingly arranged on the rack.
By adopting the technical scheme, when the gear rotates to the position that the axis of the anti-falling plate is vertical to the inner wall of the elevator shaft, the contact just contacts with the travel switch, so that the piston rod of the cylinder stops moving, and the anti-falling plate is fixed at the position.
The utility model discloses further set up to: the driving assembly further comprises a limiting sleeve, the limiting sleeve is fixedly connected with the base, the rack penetrates through the limiting sleeve, and one side, back to the gear, of the rack is abutted to the inner wall of the limiting sleeve.
Through adopting above-mentioned technical scheme, set up the stop collar and support the rack one side of gear dorsad, guarantee the stable meshing of rack and gear, avoid preventing that it twists reverse by force to drive the gear when the flitch atress is uneven, lead to jumping the tooth.
The utility model discloses further set up to: the lower surface of the anti-falling plate is fixedly connected with an inclined strut, and one end of the inclined strut, which faces away from the anti-falling plate, is fixedly connected with the rotating shaft.
By adopting the technical scheme, the inclined strut is arranged, so that the stress can be effectively shared by the anti-falling plate, the anti-falling plate is not easy to break, and the out-of-control elevator can be more stably supported.
The utility model discloses further set up to: the upper surface of the anti-falling plate is provided with at least one buffer spring.
Through adopting above-mentioned technical scheme, the elevator that is out of control directly strikes on preventing weighing down the board, by moving to static in the short time, its instantaneous impulse is very big, prevents weighing down the board and splits because of the load is too big easily, sets up buffer spring, can make the elevator blocked the time greatly increased who stops, alleviates the pressure that weighs down the board and receives to improve the overall stability who prevents weighing down the structure.
The utility model discloses further set up to: buffer spring sets up along vertical direction, and the buffer spring top is equipped with the buffer board, the buffer board is parallel with preventing weighing down the board, and the lower surface of buffer board is equipped with the guide bar, the guide bar sets up along vertical direction, and the buffer spring cover locates on the guide bar, prevent weighing down to correspond on the board and seted up the guiding hole.
By adopting the technical scheme, the buffer plate is arranged to enable the buffer spring to bear force uniformly, so that the effects of prolonging the collision process and slowing down impact are fully exerted; the guide rod penetrates through the middle of the buffer spring and then penetrates into the guide hole to limit the buffer spring between the buffer plate and the anti-falling plate, so that the buffer spring is prevented from being transversely twisted or separated from the anti-falling plate, and stable work of the buffer spring is guaranteed.
To sum up, the utility model discloses a beneficial technological effect does:
1. the unscrewing and resetting of the anti-falling plate can be controlled by the driving assembly, the anti-falling plate does not need to be manually rotated by a maintainer, and the anti-falling plate can not be unscrewed automatically due to vibration interference when the driving assembly fails;
2. the travel switch and the contact are arranged, so that the anti-falling plate can be accurately controlled;
3. the whole structure has high strength and the stability of the buffer part is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention in a screw-out state;
fig. 2 is a schematic view of the overall structure of the present invention in a reset state;
FIG. 3 is a schematic view showing the connection among the buffer plate, the buffer spring and the fall-preventing plate in the embodiment.
In the figure, 1, a base; 2. an anti-falling plate; 3. a rotating shaft; 4. a drive assembly; 5. bracing; 6. a buffer spring; 7. a buffer plate; 8. a guide bar; 21. a guide hole; 41. a gear; 42. a rack; 43. a cylinder; 44. a travel switch; 45. a contact; 46. a limiting sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, for the utility model discloses an elevator overhauls prevents weighing down structure, including base 1, pivot 3, prevent weighing down board 2 and drive assembly 4. Base 1 is fixed with the inner wall bolt of elevartor shaft, and pivot 3 sets up along vertical direction to the rotation erects on base 1, prevents weighing down board 2 and sets up along the horizontal direction, and its one end and 3 rigid couplings of pivot, drive assembly 4 then are used for driving pivot 3 rotatory.
Referring to fig. 1 and 2, the driving assembly 4 includes a gear 41, a rack 42, and a cylinder 43. Wherein, the gear 41 is coaxially sleeved on the rotating shaft 3, fixedly connected with the rotating shaft 3 and positioned below the anti-falling plate 2. The rack 42 is arranged horizontally and parallel to the inner wall of the elevator shaft, and the rack 42 is located on the side of the gear 41 facing away from the inner wall of the elevator shaft, with its teeth arranged on the side wall, engaging with the gear 41. The cylinder 43 is located on the left side of the rotating shaft 3 and is coaxially arranged with the rack 42, the tail end of a piston rod of the cylinder is fixedly connected with the rack 42, and the rack 42 is driven to move along the length direction of the piston rod.
Referring to fig. 1 and 2, when the fall-preventing plate 2 is attached to the inner wall of the elevator shaft, the main body thereof is positioned at the right side of the rotating shaft 3, and the piston rod of the cylinder 43 is in an extending state.
Referring to fig. 1 and 2, the driving assembly 4 further includes a travel switch 44 and a contact 45, wherein the travel switch 44 is fixedly connected to the base 1, the contact 45 is fixedly connected to the rack 42, and the contact 45 is located at the right side of the travel switch 44.
The piston rod of the cylinder 43 retracts, the rack 42 moves leftwards, the gear 41 is driven to rotate clockwise, and the anti-falling plate 2 swings leftwards until the contact 45 on the rack 42 abuts against the travel switch 44, so that the piston rod of the cylinder 43 stops moving, and at the moment, the axis of the anti-falling plate 2 is just vertical to the inner wall of the elevator shaft.
The piston rod of the cylinder 43 extends out, the rack 42 moves rightwards to drive the gear 41 to rotate anticlockwise, the anti-falling plate 2 swings rightwards along with the piston rod until the piston rod of the cylinder 43 extends out completely, and at the moment, one side edge of the anti-falling plate 2 is just attached to the base 1 and is parallel to the inner wall of the elevator shaft, so that resetting is completed.
Referring to fig. 1 and 2, a limiting sleeve 46 is fixedly arranged on the base 1, and the rack 42 passes through the limiting sleeve 46, and one side of the rack facing away from the gear 41 is abutted against the inner wall of the limiting sleeve 46.
Referring to fig. 1 and 2, an inclined strut 5 is additionally arranged between the anti-falling plate 2 and the rotating shaft 3 to connect the anti-falling plate 2 and the rotating shaft 3, the inclined strut 5 is obliquely arranged, the top end of the inclined strut is fixedly connected with the lower surface of the anti-falling plate 2, the bottom end of the inclined strut is fixedly connected with the rotating shaft 3 and is positioned below the gear 41, and the upper bearing limit of the anti-falling plate 2 is increased.
Referring to fig. 3, two buffer springs 6 and a buffer plate 7 are arranged above the fall-preventing plate 2 to form a buffer part. Wherein, the buffer plate 7 is arranged along the horizontal direction and is just opposite to the anti-falling plate 2. The buffer spring 6 is arranged along the vertical direction, the top end of the buffer spring is propped against the lower surface of the buffer plate 7, and the bottom end of the buffer spring is propped against the upper surface of the anti-falling plate 2.
Referring to fig. 3, the lower surface of the buffer plate 7 is fixedly provided with two guide rods 8, and the guide rods 8 are arranged along the vertical direction, respectively penetrate through the two buffer springs 6, and are in sliding fit with guide holes 21 formed in the anti-falling plate 2. The buffer spring 6 can only be extended and retracted in the vertical direction, limited by the guide rod 8.
The implementation principle of the above embodiment is as follows:
before the maintenance operation is carried out, the piston rod of the air cylinder 43 retracts to drive the anti-falling plate 2 to swing leftwards until the contact 45 on the rack 42 abuts against the travel switch 44, so that the piston rod of the air cylinder 43 stops moving, and at the moment, the axis of the anti-falling plate 2 is just vertical to the inner wall of the elevator shaft. After the overhaul is finished, the piston rod of the air cylinder 43 extends out to drive the anti-falling plate 2 to swing rightwards until the piston rod of the air cylinder 43 extends out completely, and at the moment, one side edge of the anti-falling plate 2 is just attached to the base 1 to finish resetting.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides an elevator overhauls prevents weighing down structure, includes base (1) with elevartor shaft inner wall rigid coupling, be equipped with on base (1) and prevent weighing down board (2), prevent weighing down board (2) and set up its characterized in that along the horizontal direction: still erect pivot (3) on base (1) including the rotating, pivot (3) set up along vertical direction, prevent weighing down board (2) then with pivot (3) rigid coupling, be equipped with on base (1) and be used for driving rotatory drive assembly (4) of pivot (3), drive assembly (4) include gear (41), rack (42) and cylinder (43), on pivot (3) were located in gear (41) cover, gear (41) and pivot (3) rigid coupling, rack (42) and cylinder (43) all set up along the horizontal direction, and rack (42) and gear (41) meshing, rack (42) and the piston rod rigid coupling of cylinder (43).
2. The elevator maintenance anti-falling structure according to claim 1, characterized in that: the driving assembly (4) further comprises a travel switch (44), and a contact (45) is correspondingly arranged on the rack (42).
3. The elevator maintenance anti-falling structure according to claim 1, characterized in that: the driving assembly (4) further comprises a limiting sleeve (46), the limiting sleeve (46) is fixedly connected with the base (1), the rack (42) penetrates through the limiting sleeve (46), and one side, back to the gear (41), of the rack (42) is abutted to the inner wall of the limiting sleeve (46).
4. The elevator maintenance anti-falling structure according to claim 1, characterized in that: the lower surface of the anti-falling plate (2) is fixedly connected with an inclined strut (5), and one end of the inclined strut (5), which is back to the anti-falling plate (2), is fixedly connected with the rotating shaft (3).
5. The elevator maintenance anti-falling structure according to claim 1, characterized in that: the upper surface of the anti-falling plate (2) is provided with at least one buffer spring (6).
6. An elevator service fall protection structure according to claim 5, wherein: buffer spring (6) set up along vertical direction, and buffer spring (6) top is equipped with buffer board (7), buffer board (7) with prevent weighing down board (2) and be parallel, the lower surface of buffer board (7) is equipped with guide bar (8), guide bar (8) set up along vertical direction, and buffer spring (6) cover is located on guide bar (8), prevent weighing down and correspond on board (2) and seted up guiding hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160999.4U CN209974024U (en) | 2019-01-29 | 2019-01-29 | Elevator overhauls prevents weighing down structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160999.4U CN209974024U (en) | 2019-01-29 | 2019-01-29 | Elevator overhauls prevents weighing down structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209974024U true CN209974024U (en) | 2020-01-21 |
Family
ID=69252608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920160999.4U Expired - Fee Related CN209974024U (en) | 2019-01-29 | 2019-01-29 | Elevator overhauls prevents weighing down structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209974024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960209A (en) * | 2020-09-14 | 2020-11-20 | 苏州美嘉智选电梯有限公司 | Elevator shaft arrangement structure |
| CN114014128A (en) * | 2021-11-26 | 2022-02-08 | 江苏谦益实业有限公司 | Elevator locking strutting arrangement |
-
2019
- 2019-01-29 CN CN201920160999.4U patent/CN209974024U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960209A (en) * | 2020-09-14 | 2020-11-20 | 苏州美嘉智选电梯有限公司 | Elevator shaft arrangement structure |
| CN111960209B (en) * | 2020-09-14 | 2021-12-10 | 苏州美嘉智选电梯有限公司 | Elevator shaft arrangement structure |
| WO2022052291A1 (en) * | 2020-09-14 | 2022-03-17 | 苏州美嘉智选电梯有限公司 | Elevator hoistway arrangement structure |
| CN114014128A (en) * | 2021-11-26 | 2022-02-08 | 江苏谦益实业有限公司 | Elevator locking strutting arrangement |
| CN114014128B (en) * | 2021-11-26 | 2023-07-21 | 江苏谦益实业有限公司 | Elevator locking strutting arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209974024U (en) | Elevator overhauls prevents weighing down structure | |
| EP3992393B1 (en) | Anti-falling structure of attached lifting scaffold | |
| CN206279751U (en) | The anti-fall device of attachment type raise scaffold | |
| CN204691203U (en) | A kind of attachment type raise scaffold anti-drop device | |
| CN207660269U (en) | A kind of balancing point type fall-preventing device | |
| CN202785160U (en) | Lift car and protective device thereof and elevator equipment using lift car | |
| CN214696794U (en) | Safety protection device for falling prevention of lifting scaffold | |
| CN209052234U (en) | Novel elevator falling proof device | |
| CN208249652U (en) | A kind of semi-automatic layer door unlocking apparatus of simplified elevator | |
| CN201314203Y (en) | Fully hydraulic casing centralizer with safety device | |
| CN108408627A (en) | A kind of hanging device for robot | |
| CN212608962U (en) | Force-limiting compensation tank stabilizing device capable of safely avoiding | |
| CN201183697Y (en) | Construction elevator counterweight safe falling protector | |
| CN110130630B (en) | Split anti-falling device | |
| CN204778128U (en) | Automatic locking device of elevator safe operation | |
| CN202390048U (en) | Lift overhaul safety device | |
| CN205558970U (en) | Automatic emergency exit of horizontal inclined shaft track | |
| CN221014238U (en) | High-altitude anti-falling mechanism | |
| CN108726315A (en) | A kind of building hoist guide rail bracket downlink mechanical safety protection device | |
| CN216549103U (en) | Rotary anti-falling device | |
| CN210825320U (en) | Double-swing-rod type safety blocking mechanism of elevator | |
| CN212317463U (en) | Guide seat | |
| CN219156321U (en) | Colliery automation equipment overhauls gallows that facilitates use | |
| CN220053782U (en) | Lifting monorail crane passenger device | |
| CN217102763U (en) | Anti-swing lifting appliance for gantry crane |
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: 20200121 Termination date: 20210129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |