CN201406237Y - Top control device of lifter - Google Patents
Top control device of lifter Download PDFInfo
- Publication number
- CN201406237Y CN201406237Y CN2009201377688U CN200920137768U CN201406237Y CN 201406237 Y CN201406237 Y CN 201406237Y CN 2009201377688 U CN2009201377688 U CN 2009201377688U CN 200920137768 U CN200920137768 U CN 200920137768U CN 201406237 Y CN201406237 Y CN 201406237Y
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- CN
- China
- Prior art keywords
- spring
- box body
- elevator
- travel switch
- movable block
- 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
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a top control device of a lifter, which comprises a travel switch, a guide rod, a box body doubling as a pressure plate, a pressure wheel, a return spring, a moving block,a slide block, a wheel shaft, a spring pull rod, a spring baffle plate and a separation blade. The pressure wheel is propped on the guide rod on the edge of a guiding rail rack of the lifter; the spring baffle plate and the square moving block are arranged at the middle part of the square box body; the wheel shaft extends into the box body; a pull rod hole is formed on the wall of the spring baffle plate; the spring pull rod passes through the pull rod hole and is fixedly connected on the side surface of the moving block; the return spring is arranged at the circumference of the spring pull rod between the separation blade and the spring baffle plate; and the travel switch is arranged on the back of the moving block, of which the contact is close to the inner wall of the box body. The travel switch and the pressure plate are arranged in the box body of a suspension cage, and the motion thereof is driven by the return spring which pushes the moving block when in place, thereby avoidingdirect strong mechanical shock; the motion is reliable; and a builder can be heightened without moving, mounting or readjusting the pressure plate, thereby preventing top colliding caused by misoperation. Therefore, the top control device is applicable to gear rack driving lifters.
Description
Technical field
The utility model belongs to the vehicle for construction technical field, relates to the safety device of building hoist, relates in particular to elevator erosion control ejection device.
Background technology
Elevator is a constructing device commonly used in the building engineering, traditional elevator adopts winch as driving device, owing to do not have self-locking performance on the transmission principle, safe reliability is lower, now progressively be eliminated, and there is the rack and pinion drive of self-locking performance reliable transmission to replace, the safety precaution of building hoist, especially the anti-safety precaution of rushing to summit of the elevator important step that is safe construction, the common anti-safety device of rushing to summit all is to place pressing plate at the appropriate location of top of the trellis, travel switch is located at the high point on the cage, when cage rises to the top, is located at the travel switch pressure touch pressing plate on the cage, cut off electric motor loop, cage stops to rise, thereby avoids cage to rush to summit, and avoids causing driving device, support body damages, cage or weight high-altitude accident such as fall; But conventional device is owing to need pressing plate is placed on top of the trellis; all pressing plate dismounting just can carrying out support body must be added the promotion joint when building rises layer installs; operating personal is under the situation that does not have the superelevation position limitation protection fully; manual operation, aloft work difficulty, adjusting inconvenient maintenance; this moment is just in case the operating personal negligence; do not install pressing plate and just start motor newly adding eminence, can lead to the accident of rushing to summit most probably, still have very big potential safety hazard.
For this reason, people have invented and do not moved the elevator erosion control ejection device that the travel switch pressing plate is installed again when building rise layer.For example, application (patent) number is to disclose the anti-safety device of rushing to summit of a kind of well cabinet frame elevator in 93222250.1 the Chinese patent, is made up of screw mandrel, pressing plate, travel switch etc.Screw mandrel is installed on the drum shaft of winch, pressing plate and screw mandrel are screw thread fit, when winch starts, when driving cage and rise by steel rope, screw mandrel also rotates synchronously with the lifting drum axle, pressing plate is moving along the screw mandrel translation, bumps when carrying out the journey switch contact travel switch open circuit when pressing plate moves to, cut off the electricity supply, winch stall and braking, cage rises and to stop, thereby prevents that cage from rushing to summit.Simple in structure, installation and maintenance easily, travel switch conveniently adjusts apart from installing and fixing the position by travel switch at lower with pressing plate.
Adopt such technology certainly to realize when building rises layer, not moving the installation pressing plate again, but only be applicable to old-fashioned winch formula elevator, and when building rises layer, still need to adjust with the relation of winch steel rope according to height, convenient not enough.
The utility model content
The purpose of this utility model provides had not a kind ofly both moved the installation pressing plate again when building rises layer, do not readjust yet, and be applicable to the elevator erosion control ejection device of rack-and-gear driving type elevator.
The technical scheme that the utility model adopted is: a kind of elevator erosion control ejection device comprises travel switch, guide rod, pressing plate; It is characterized in that: also comprise pinch roller, retracing spring, movable block, slide block, wheel shaft, spring pull bar, spring stop, catch, box body; Pinch roller is pressed over and stands on the guide rod that is provided with on the elevator guide rails frame limit, square box body middle part is provided with spring stop, the rectangular box intracorporeal space is divided into the first and second two ones by spring stop, first portion is provided with square movable block in the space, be equipped with through hole on the first portion wall on movable block and the box body, wheel shaft passes two overlapping through holes and stretches into first portion space in the box body; The spring catch wooden partition is provided with tie rod hole, is located at spring pull bar in the second portion space and passes tie rod hole and captive joint with the movable block side; Spring pull bar end is provided with catch, and retracing spring is located at the spring pull bar periphery between catch and spring stop; Travel switch is located at the movable block back side, and the travel switch contact is near the inwall in first portion space in the box body of double as pressing plate.
Described spring catch wooden partition is provided with two tie rod holes, is located at two spring pull bars in the second portion space and passes tie rod hole and captive joint with the movable block side.
Stand on the described elevator guide rails frame limit and be provided with four guide rods, described elevator erosion control ejection device is provided with and is no less than two covers, corresponding with each guide rod respectively, each electric mouth that overlaps the travel switch of elevator erosion control ejection device is connected with electric motor loop by logical OR relation connection back.
The beneficial effects of the utility model are: because travel switch and pressing plate are located in the box body, the action of travel switch retracing spring when putting in place promotes the movable block action, can directly not be subjected to the physical shock of cage, and when rising layer, building both do not moved the installation pressing plate again, do not readjust yet, and be applicable to rack-and-gear driving type elevator, also can reduce the friction force of elevator backgear in addition, thereby the mechanical breakdown that can cause the damage because of backgear plays protective action.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the overall schematic of the utility model embodiment;
Fig. 2 is the overall schematic of another angle of the utility model embodiment;
Fig. 3 is the decomposing schematic representation of the utility model embodiment;
Fig. 4 is the decomposing schematic representation of another angle of the utility model embodiment;
Fig. 5 is the scheme of installation of the utility model embodiment on elevator.
Marking explanation in the accompanying drawing is as follows:
The specific embodiment
The utility model embodiment, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of elevator erosion control ejection device comprises box body 2, pinch roller 8, retracing spring 6, movable block 3, slide block 1, bearing 11, wheel shaft 9, spring pull bar 7, spring stop 5, the catch 10 of travel switch 4, guide rod 12, double as pressing plate; Pinch roller 8 is pressed over and stands on the guide rod 12 that is provided with on the elevator guide rails frame limit, square box body 2 middle parts are provided with spring stop 5, spaces are divided into the first and second two ones by spring stop 5 in the square box body 2, be provided with square movable block 3 in the first portion space, be equipped with through hole on the first portion wall on movable block 3 and the box body 2, wheel shaft 9 passes two overlapping through holes and stretches into first portion space in the box body 2; Spring stop 5 walls are provided with tie rod hole, are located at spring pull bar 7 in the second portion space and pass tie rod hole and captive joint with movable block 3 sides; Spring pull bar 7 ends are provided with catch 10, and retracing spring 6 is located at spring pull bar 7 peripheries of 5 of catch 10 and spring stops; Travel switch 4 is located at movable block 3 back sides, and travel switch 4 contacts are near the inwall in first portion space in the box body 2 of double as pressing plate.
Described spring stop 5 walls are provided with two tie rod holes, are located at two spring pull bars 7 in the second portion space and pass tie rod hole and captive joint with movable block 3 sides.If two spring pull bars 7 are the reliability that reset in order to improve, also can again establish several certainly more; Slide block 1 plays the effect of support, does not allow bearing 11 wave.
Stand on the described elevator guide rails frame limit and be provided with four guide rods 12, described elevator erosion control ejection device is provided with and is no less than two covers, corresponding with each guide rod 12 respectively, each electric mouth that overlaps the travel switch 4 of elevator erosion control ejection device is connected with electric motor loop by logical OR relation connection back.This also is in order to improve the reliability of action.
The utility model principle of work is: on the original control system of elevator, the equal basis of invariable of protective system, the pinch roller 8 that installs additional is pressed on the guide rod 12 for drawing back by the people earlier, this moment, retracing spring 6 was compressed, travel switch 4 contacts also are depressed, electric motor loop is logical, and elevator is earlier by traditional control system control, protection; High point causes pinch roller 8 to deviate from the moment of guide rod 12 once elevator is because of the control error is flushed to, the pulling force that acts on the wheel shaft 9 disappears, and pull bar 7 resets movable block 3 by retracing spring 6, and travel switch 4 contacts are disengaged compressing, electric motor loop is disconnected, and elevator can not rushed to summit; When building rises layer, four guide rods 12 also extend, this erosion control ejection device is because device body is the high point that is installed on the cage, need not do any adjustment more in addition and just can play the anti-effect of rushing to summit, this erosion control ejection device that installs additional can become the anti-final safety device of rushing to summit of elevator, and the safety of elevator is improved greatly.
Claims (3)
1, a kind of elevator erosion control ejection device comprises travel switch, guide rod, pressing plate; It is characterized in that: also comprise pinch roller, retracing spring, movable block, slide block, wheel shaft, spring pull bar, spring stop, catch, box body; Pinch roller is pressed over and stands on the guide rod that is provided with on the elevator guide rails frame limit, square box body middle part is provided with spring stop, the rectangular box intracorporeal space is divided into the first and second two ones by spring stop, first portion is provided with square movable block in the space, be equipped with through hole on the first portion wall on movable block and the box body, wheel shaft passes two overlapping through holes and stretches into first portion space in the box body; The spring catch wooden partition is provided with tie rod hole, is located at spring pull bar in the second portion space and passes tie rod hole and captive joint with the movable block side; Spring pull bar end is provided with catch, and retracing spring is located at the spring pull bar periphery between catch and spring stop; Travel switch is located at the movable block back side, and the travel switch contact is near the inwall in first portion space in the box body of double as pressing plate.
2, a kind of elevator erosion control ejection device according to claim 1, it is characterized in that: described spring catch wooden partition is provided with two tie rod holes, is located at two spring pull bars in the second portion space and passes tie rod hole and captive joint with the movable block side.
3. a kind of elevator erosion control ejection device according to claim 1 and 2, it is characterized in that: stand on the described elevator guide rails frame limit and be provided with four guide rods, described elevator erosion control ejection device is provided with and is no less than two covers, corresponding with each guide rod respectively, each electric mouth that overlaps the travel switch of elevator erosion control ejection device is connected with electric motor loop by logical OR relation connection back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201377688U CN201406237Y (en) | 2009-04-16 | 2009-04-16 | Top control device of lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201377688U CN201406237Y (en) | 2009-04-16 | 2009-04-16 | Top control device of lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201406237Y true CN201406237Y (en) | 2010-02-17 |
Family
ID=41677168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201377688U Expired - Fee Related CN201406237Y (en) | 2009-04-16 | 2009-04-16 | Top control device of lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201406237Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040134A (en) * | 2010-12-31 | 2011-05-04 | 厦门康柏机械成套有限公司 | Elevator roof protection device |
| CN104150304A (en) * | 2014-07-30 | 2014-11-19 | 江阴市星联建筑机械厂 | Lifting height limiter |
| CN104495561A (en) * | 2014-12-29 | 2015-04-08 | 龚柱 | Anti-falling unit of elevator |
| CN106946118A (en) * | 2017-04-28 | 2017-07-14 | 湖北江汉建筑工程机械有限公司 | A kind of building hoist tape jam detection and the cable pulley system of automatic protection |
| CN107775161A (en) * | 2017-10-16 | 2018-03-09 | 南通市慧冠智能科技有限公司 | Control method applied to industrial arc welding robot welding gun full-automatic cleaning device |
| CN108249242A (en) * | 2018-01-26 | 2018-07-06 | 苏州沃诺斯精密机械有限公司 | A kind of elevator Anti-over-hoisting device |
| CN108275526A (en) * | 2018-01-26 | 2018-07-13 | 苏州沃诺斯精密机械有限公司 | A kind of elevator car top |
-
2009
- 2009-04-16 CN CN2009201377688U patent/CN201406237Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040134A (en) * | 2010-12-31 | 2011-05-04 | 厦门康柏机械成套有限公司 | Elevator roof protection device |
| CN104150304A (en) * | 2014-07-30 | 2014-11-19 | 江阴市星联建筑机械厂 | Lifting height limiter |
| CN104495561A (en) * | 2014-12-29 | 2015-04-08 | 龚柱 | Anti-falling unit of elevator |
| CN106946118A (en) * | 2017-04-28 | 2017-07-14 | 湖北江汉建筑工程机械有限公司 | A kind of building hoist tape jam detection and the cable pulley system of automatic protection |
| CN107775161A (en) * | 2017-10-16 | 2018-03-09 | 南通市慧冠智能科技有限公司 | Control method applied to industrial arc welding robot welding gun full-automatic cleaning device |
| CN107775161B (en) * | 2017-10-16 | 2019-07-23 | 南通市慧冠智能科技有限公司 | Control method applied to industrial arc welding robot welding gun full-automatic cleaning device |
| CN108249242A (en) * | 2018-01-26 | 2018-07-06 | 苏州沃诺斯精密机械有限公司 | A kind of elevator Anti-over-hoisting device |
| CN108275526A (en) * | 2018-01-26 | 2018-07-13 | 苏州沃诺斯精密机械有限公司 | A kind of elevator car top |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20120416 |