CN201406247Y - Construction lifter - Google Patents
Construction lifter Download PDFInfo
- Publication number
- CN201406247Y CN201406247Y CN2009200903277U CN200920090327U CN201406247Y CN 201406247 Y CN201406247 Y CN 201406247Y CN 2009200903277 U CN2009200903277 U CN 2009200903277U CN 200920090327 U CN200920090327 U CN 200920090327U CN 201406247 Y CN201406247 Y CN 201406247Y
- Authority
- CN
- China
- Prior art keywords
- cable
- hauling rope
- guide rail
- rail bracket
- lifter
- 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
- Types And Forms Of Lifts (AREA)
Abstract
The utility model discloses a construction lifter comprising a guide rail bracket, wherein the middle of the guide rail bracket is provided with a thread take-up stand and the guide rail bracket is sequentially movably connected with a ladder cage and a cable trolley from top to bottom; the cable trolley is provided with a hauling rope pulley; the ladder cage is provided with a protective device connected with a master control circuit of the construction lifter; and the thread take-up stand is connected with a hauling rope the other end of which is upwards connected with a trigger end of the protective device in a transmission way after bypassing the hauling rope pulley. The construction lifter has simple structure and convenient use and can also be used for transforming the existing construction lifters. When running, the hauling rope works synchronously with the cable; when the cable trolley is stuck dead by accident, the ladder cage drives the hauling rope to run continuously and the hauling rope is to enhance (when the ladder cage runs upwards) or weaken (when the ladder cage runs downwards) the pull of the trigger end of the protective device, thus triggering the protective device to cut off the master control circuit of the lifter, causing the lifter to stop running and finally achieving the purpose of protecting cables and the cable trolley.
Description
Technical field
The utility model relates to a kind of building hoist.
Background technology
Traditional building construction hoist all is that along with the lifting of terraced cage, cable is pulled up or falls into cage at cage that holds cable of elevator ladder cage positioned beneath when working.This method has following shortcoming: 1. cable rises and falls irregularly, and random line phenomenon easily takes place; 2. when adjustable height surpassed certain altitude (being generally about 200 meters), the deadweight of cable often will surpass the tensile strength of self, thereby influenced service life of cable and safe in utilization, and this has also limited the adjustable height of elevator; 3. along with the lifting of terraced cage, the cable pendular swinging very easily causes cable to be built attachment or the building hoist annex tangles, thereby the phenomenon of disconnected cable electric leakage takes place.For addressing the above problem, in construction, be extensive use of a kind of building hoist that has cable trolley in recent years, the terraced cage below of this building hoist is provided with the cable trolley of doing the oscilaltion campaign with terraced cage, cable trolley includes frame and cable sheave, cable one end of elevator is connected on the terraced cage, and the other end is connected on the take-up frame at elevator guide rails frame middle part after walking around cable sheave.Adopt the building construction hoist of said structure, avoided the shortcoming of traditional building hoist, but also brought new problem simultaneously, Here it is in the operational process of building construction hoist, cable trolley be subjected to easily the constructing influence of operating mode, as the influence of strong wind, weather conditions, building waste etc. in the construction and out of service, thereby terraced cage continued operation and caused cable to be broken or squeeze off and accident such as cable trolley damage this moment.
The utility model content
The purpose of this utility model is to provide a kind of building hoist, can be in time out of service when the cable trolley accident is out of service, reach the purpose of protection cable and cable trolley.
For achieving the above object; building hoist of the present utility model comprises guide rail bracket; the guide rail bracket middle part is provided with the take-up frame; be connected with terraced cage and cable trolley on the guide rail bracket from top to bottom successively; described cable trolley is provided with the stay cord pulley; described terraced cage is provided with the fender guard with the governor circuit control linkage of building hoist, is connected with stay cord on the described take-up frame, and the trigger end that the stay cord other end is walked around behind the stay cord pulley upwards with described fender guard is in transmission connection.
Be installed with terraced cage cable tray on the described terraced cage, described fender guard is installed on the terraced cage cable tray.
The utlity model has following advantage:
1. the utility model is simple in structure, and is easy to use, also can be used for existing building hoist is transformed.During use, fender guard is in non-triggering state.Stay cord and cable synchronized operation during operation; when the cable trolley accident is stuck; the ladder cage drives stay cord and continues operation; stay cord will will strengthen (when terraced cage upwards moves) to the pulling force of fender guard trigger end or weaken (when terraced cage moves) downwards; thereby trigger protection device; fender guard action back cuts off the governor circuit of elevator, makes elevator stop operation, has so just reached the purpose of protection cable and cable trolley.
2. be installed with terraced cage cable tray on the terraced cage, described fender guard is installed on the terraced cage cable tray, and such setting is convenient to fender guard is connected on the terraced cage.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of fender guard;
Fig. 3 is the structural representation that takes off fender guard behind the cover plate.
The specific embodiment
As shown in Figure 1; building hoist of the present utility model comprises guide rail bracket 1; guide rail bracket 1 middle part is provided with take-up frame 2; be connected with terraced cage 3 and cable trolley 5 on the guide rail bracket 1 from top to bottom successively; be installed with terraced cage cable tray 10 on the ladder cage 3; described cable trolley 5 is provided with stay cord pulley 6 and cable sheave 9; described terraced cage cable tray 10 is provided with the fender guard 7 with the governor circuit control linkage of building hoist; be connected with stay cord 8 on the described take-up frame 2, stay cord 8 other ends are walked around stay cord pulley 6 back and upwards are in transmission connection with the trigger end of described fender guard 7.Also be connected with cable 11 on the ladder cage cable tray 10, the other end of cable 11 is connected on the take-up frame 2 after walking around cable sheave 9.
As Fig. 2, shown in Figure 3; fender guard 7 comprises housing, limit switch 31 and pull bar 23; pull bar 23 is provided with screw thread; the cover plate 22 that housing includes base plate 21 and is complementary with base plate 21; also be installed with pull bar upper bracket 25 and pull bar undersetting 26 on the base plate 21, pull bar 23 be located on the upper and lower bearing 25,26 of pull bar and with upper and lower bearing 25,26 bearing fits of pull bar.Pull bar 23 middle parts also are provided with upper and lower adjustment nut 29,30, and pull bar 23 bottoms also are arranged with spring 28, and spring 28 lower end roof pressures are on pull bar undersetting 26, and spring 28 upper end roof pressures are on following adjustment nut 30.The bottom of pull bar 23 also is provided with the draw ring 36 as fender guard 7 trigger ends, is used to connect stay cord 8.Be connected on the base plate 21 with the limit switch 31 of the governor circuit control linkage of building hoist and its flip flop equipment is an elastic contact 35.
As shown in Figure 1 to Figure 3; need regulate 8 pairs of pull bars of stay cord 23 during use and produce suitable downward pulling force; making spring 28 produce predetermincd tensions, and make upper and lower pressing plate 32,33 be in contactless state shown in Figure 3 with elastic contact 35, also is that fender guard 7 is in non-triggering state.Stay cord 8 and cable 11 synchronized operations during operation; when cable trolley 5 unexpected when stuck; ladder cage 3 drives stay cord 8 by terraced cage cable tray 10 and cable 11 continues upwards operation; because the predetermincd tension of cable 11 is less and cable 11 itself has certain extensibility, thereby when trigger protection device 7 actions that change of the pulling force of 8 pairs of fender guard 7 trigger ends of stay cord.The trigger process of fender guard 7 is as follows: cable trolley 5 is stuck; 8 pairs of pull bars of stay cord 23 produce further downward pulling force (when terraced cage upwards moves) or decontrol the downward pulling force (when terraced cage moves downwards) of pull bar 23; pull bar 23 will drive like this; lower platen 32; 33 motions downward or upward; and make its contraction by top board 32 or lower platen 33 extruding elastic contacts 35; thereby trigger limit switch 31 actions; limit switch 31 action backs disconnect the governor circuit of building hoist; make building hoist stop operation, so just reached the purpose of protection building hoist cable and cable trolley.
Certainly, the utility model includes but not limited to present embodiment, also can be in transmission connection by the trigger end of transmission device and fender guard 7 as stay cord 8; Fender guard 7 also can be located at other positions of terraced cage 3; Fender guard 7 can adopt the fender guard of limit switch form in the present embodiment, also can adopt other forms of fender guards such as sensor, pressure switch; Fender guard 7 also can adopt various multi-form structures under the prerequisite that does not influence function, or the like, above-mentioned conversion also drops within the protection domain of the present utility model.
Claims (2)
1. building hoist; comprise guide rail bracket; the guide rail bracket middle part is provided with the take-up frame; be connected with terraced cage and cable trolley on the guide rail bracket from top to bottom successively; it is characterized in that: described cable trolley is provided with the stay cord pulley; described terraced cage is provided with the fender guard with the governor circuit control linkage of building hoist, is connected with stay cord on the described take-up frame, and the trigger end that the stay cord other end is walked around behind the stay cord pulley upwards with described fender guard is in transmission connection.
2. building hoist according to claim 1 is characterized in that: be installed with terraced cage cable tray on the described terraced cage, described fender guard is installed on the terraced cage cable tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200903277U CN201406247Y (en) | 2009-05-19 | 2009-05-19 | Construction lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200903277U CN201406247Y (en) | 2009-05-19 | 2009-05-19 | Construction lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201406247Y true CN201406247Y (en) | 2010-02-17 |
Family
ID=41677178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200903277U Expired - Fee Related CN201406247Y (en) | 2009-05-19 | 2009-05-19 | Construction lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201406247Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819306A (en) * | 2016-05-10 | 2016-08-03 | 广东新裕华重工科技有限公司 | Anti-breaking guide system for cable of lift |
| CN105947849A (en) * | 2016-06-27 | 2016-09-21 | 黎志强 | Construction lift |
| 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 |
| CN112875462A (en) * | 2021-03-26 | 2021-06-01 | 湖北江汉建筑工程机械有限公司 | Cable protection device |
-
2009
- 2009-05-19 CN CN2009200903277U patent/CN201406247Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819306A (en) * | 2016-05-10 | 2016-08-03 | 广东新裕华重工科技有限公司 | Anti-breaking guide system for cable of lift |
| CN105947849A (en) * | 2016-06-27 | 2016-09-21 | 黎志强 | Construction lift |
| 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 |
| CN112875462A (en) * | 2021-03-26 | 2021-06-01 | 湖北江汉建筑工程机械有限公司 | Cable protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101329826B (en) | Up-down billboard and control method thereof | |
| CN202561384U (en) | Camera lifting device | |
| CN201406247Y (en) | Construction lifter | |
| CN106946118A (en) | A kind of building hoist tape jam detection and the cable pulley system of automatic protection | |
| CN102491144A (en) | Rope breakage protecting device for main unit of flat-bottomed steep tank | |
| CN201233703Y (en) | Lifting advertisement board | |
| CN101486426B (en) | Cable trolley protector for construction elevator | |
| CN206705441U (en) | A kind of building hoist tape jam detection and the cable pulley system of automatic protection | |
| CN201288000Y (en) | Cable trolley protector of construction elevator | |
| CN102367129A (en) | Combined type overspeed protective device for elevator | |
| CN113914602B (en) | Anti-falling device for lifting type climbing frame | |
| CN2098492U (en) | Overrunning governor for lift | |
| CN202974637U (en) | Test equipment for electric welding machine lifting device | |
| CN201808986U (en) | Safety device for preventing building hoist from falling | |
| CN113719102A (en) | Safe anti-falling device for steel structure engineering construction and use method | |
| CN204038805U (en) | The anti-loose detecting device of a kind of hoist ropes | |
| CN105600630B (en) | The elevator device that traction machine can be controlled to stall behind counterweight crouching bottom | |
| CN201549623U (en) | Portable electric cable clamp of short circuit grounding wire | |
| CN207131536U (en) | A kind of tower frame for wind generating set lift maintenance platform system | |
| CN201686364U (en) | Magnetic clutch device of mine rope guide safety catcher | |
| CN204847654U (en) | Elevator mechanically prevents device down | |
| CN2206771Y (en) | Automatic stop device for cord breaking of hoist | |
| CN202643031U (en) | Elevator pit inspection protector | |
| CN219265513U (en) | Weak current well temperature monitoring equipment | |
| CN204778130U (en) | Wire rope protection device that restricts absolutely |
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: 20130519 |