CN202897742U - Gear rack driving structure - Google Patents
Gear rack driving structure Download PDFInfo
- Publication number
- CN202897742U CN202897742U CN 201220434964 CN201220434964U CN202897742U CN 202897742 U CN202897742 U CN 202897742U CN 201220434964 CN201220434964 CN 201220434964 CN 201220434964 U CN201220434964 U CN 201220434964U CN 202897742 U CN202897742 U CN 202897742U
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- gear
- phantom
- gears
- velocity limiter
- rack
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Abstract
The utility model discloses a gear rack driving structure which comprises a rack installed on a stand column of a construction lift, two servo gears installed on a lifting cage of the construction lift and a speed governor gear installed between the two servo gears. The speed governor gear is provided with a speed governor. The servo gears are meshed with the rack. The speed governor gear is respectively meshed with the two servo gears. The two servo gears are respectively provided with a driving wheel. A transmission belt is arranged between two driving wheels. The gear rack driving structure is capable of reducing noise when in motion.
Description
Technical field
The utility model relates to building hoist, particularly uses the gear ﹠ rack structure on the building hoist velocity limiter.
Background technology
In engineering construction, along with popularizing gradually of mechanization, building hoist has also occupied irreplaceable status in this field, and till now, the technology of building hoist is moving to maturity gradually also.
Building hoist in the course of the work, it is safely vital, particularly cage for carrying out safety measure, need to be installed anti-fall velocity limiter at building hoist in the process of climbing or be in the quiescence of high-altitude.
Present building hoist has dividing of low speed and high speed.The low speed building hoist mainly comprises the column that is made of standard knot, be installed in tooth bar on the column, be located at sliding machine on the column, be installed in the cage on the sliding machine, wherein at sliding machine motor is installed, gear is installed on the motor, gear is meshed with above-mentioned tooth bar, in case machine operation then can drive the sliding machine dipping and heaving under the effect of gear and tooth bar.For preventing that cage from falling, at sliding machine or cage anti-fall velocity limiter is installed, the velocity limiter gear is installed on the anti-fall velocity limiter, the velocity limiter wheel and rack is meshed, in case cage occurs falling and manifests, then under the interaction of tooth bar and velocity limiter gear, give the antagonistic force that one drops by anti-fall velocity limiter, actv. prevents that cage from falling.
For high speed construction building hoist, because the kinematic velocity of cage speeds, therefore, above-mentioned anti-falling structure can not be suitable for, then designed a kind of new anti-falling structure, comprised the tooth bar that is installed on the column that is consisted of by standard knot, two gears that are meshed with tooth bar, be located between two gears and with the velocity limiter gear of gear engagement, anti-fall velocity limiter is installed on the velocity limiter gear, and anti-fall velocity limiter is installed on the cage.Although this anti-falling structure has satisfied the demand of high speed building hoist, because the engagement between the wheel and rack and the engagement between gear and the velocity limiter gear have the gap, it is in operational process, can occur each other to collide frequently, therefore, the noise of its operation is larger.
Summary of the invention
For reducing the noise of rack-and-gear drive mechanism on the go, the technical solution of the utility model has been proposed.
The technical solution of the utility model is: a kind of rack-and-gear drive mechanism, comprise the tooth bar that is installed on the building hoist column, be installed in two phantom gears on the construction elevator cage and two velocity limiter gears between the phantom gear are installed, on the velocity limiter gear velocity limiter is installed, phantom gear is meshed with tooth bar, and velocity limiter gear and two phantom gears all mesh; On two phantom gears power wheel is installed all, is provided with driving band between two power wheels.
As specializing, described power wheel is belt pulley, and driving band is belt, and belt sleeve is on two belt pulleys.
As specializing, described power wheel is belt pulley, and driving band is belt, and belt sleeve is on two belt pulleys.
The beneficial effects of the utility model are: owing at phantom gear power wheel is installed, between two power wheels driving band has been installed, when wherein a phantom gear rotates, another phantom gear is also followed together rotation, and can actv. prevent random the beating in rotary course of two phantom gears, reduced in transmission process collision secondly, therefore, reduce the generation of noise, also improved the transmission stability of rack-and-gear drive mechanism.
Description of drawings
Fig. 1 is the constructional drawing of building hoist.
Fig. 2 is constructional drawing of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
As shown in Figure 1, building hoist comprises the column 1 that is made of standard knot, and tooth bar 2 is installed on the column 1, and that slides on the column 1 is provided with sliding machine, and the gear on the sliding machine and tooth bar 2 are meshed, and at sliding machine cage 3 are installed.
As shown in Figure 2, cage 3 has a platelet 31, at platelet 31 two phantom gears 4 are installed, on each phantom gear 4, power wheel 6 is installed all, power wheel 6 is structure as a whole with phantom gear 4, when phantom gear rotated, power wheel was also followed together rotation, and described phantom gear 4 is meshed with tooth bar 2; Velocity limiter gear 5 is being installed between two phantom gears on the platelet, and velocity limiter gear 5 and two phantom gears all mesh; At velocity limiter gear 5 anti-fall velocity limiter is installed.Driving band 7 is installed between two power wheels.In the utility model, preferred power wheel is belt pulley, and driving band is belt, and belt sleeve is on two belt pulleys.Certainly power wheel also can be sprocket wheel, and driving band is chain, and chain is enclosed within on two sprocket wheels.
When said gear rack-driving structure is moved, the sport of cage impels phantom gear 4 rotations, phantom gear 4 can drive 5 rotations of velocity limiter gear, velocity limiter gear 5 and anti-fall velocity limiter interlock, simultaneously, under the effect of power wheel and driving band, two phantom gears can be synchronized with the movement, in case the cage phenomenon of falling appears, then by said structure can in case cage fall.
For present embodiment, owing to being equipped with between power wheel 6, two power wheels 6 at phantom gear 4 driving band 7 has been installed, when wherein a phantom gear rotates, another phantom gear is also followed together rotation, realize synchronous rotary, like this, can prevent random the beating in rotary course of two phantom gears by actv., reduced in transmission process collision secondly, therefore, reduce the generation of noise, also improved the transmission stability of rack-and-gear drive mechanism.
Claims (3)
1. rack-and-gear drive mechanism, comprise the tooth bar that is installed on the building hoist column, be installed in two phantom gears on the construction elevator cage and two velocity limiter gears between the phantom gear are installed, on the velocity limiter gear velocity limiter is installed, phantom gear is meshed with tooth bar, and velocity limiter gear and two phantom gears all mesh; It is characterized in that: on two phantom gears power wheel is installed all, is provided with driving band between two power wheels.
2. rack-and-gear drive mechanism according to claim 1, it is characterized in that: described power wheel is belt pulley, and driving band is belt, and belt sleeve is on two belt pulleys.
3. rack-and-gear drive mechanism according to claim 1, it is characterized in that: described power wheel is sprocket wheel, and driving band is chain, and chain is enclosed within on two sprocket wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434964 CN202897742U (en) | 2012-08-30 | 2012-08-30 | Gear rack driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434964 CN202897742U (en) | 2012-08-30 | 2012-08-30 | Gear rack driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202897742U true CN202897742U (en) | 2013-04-24 |
Family
ID=48118436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220434964 Expired - Fee Related CN202897742U (en) | 2012-08-30 | 2012-08-30 | Gear rack driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202897742U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201189B (en) * | 2015-10-15 | 2018-04-13 | 江苏京龙工程机械有限公司 | For construction lifting platform stop locking device |
| CN108483357A (en) * | 2018-06-21 | 2018-09-04 | 中国建筑科学研究院有限公司建筑机械化研究分院 | A kind of anti-dropping safety device with synchronizing function |
| CN116816887A (en) * | 2023-03-20 | 2023-09-29 | 博泰智能装备(广东)有限公司 | Gear rack transmission structure |
| WO2024040624A1 (en) * | 2022-08-25 | 2024-02-29 | 中际联合（北京）科技股份有限公司 | Climbing apparatus and climbing system |
-
2012
- 2012-08-30 CN CN 201220434964 patent/CN202897742U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201189B (en) * | 2015-10-15 | 2018-04-13 | 江苏京龙工程机械有限公司 | For construction lifting platform stop locking device |
| CN108483357A (en) * | 2018-06-21 | 2018-09-04 | 中国建筑科学研究院有限公司建筑机械化研究分院 | A kind of anti-dropping safety device with synchronizing function |
| WO2024040624A1 (en) * | 2022-08-25 | 2024-02-29 | 中际联合（北京）科技股份有限公司 | Climbing apparatus and climbing system |
| CN116816887A (en) * | 2023-03-20 | 2023-09-29 | 博泰智能装备(广东)有限公司 | Gear rack transmission structure |
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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: 20130424 Termination date: 20160830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |