CN202575774U - Brake-type balance crane - Google Patents
Brake-type balance crane Download PDFInfo
- Publication number
- CN202575774U CN202575774U CN 201220224687 CN201220224687U CN202575774U CN 202575774 U CN202575774 U CN 202575774U CN 201220224687 CN201220224687 CN 201220224687 CN 201220224687 U CN201220224687 U CN 201220224687U CN 202575774 U CN202575774 U CN 202575774U
- Authority
- CN
- China
- Prior art keywords
- balance crane
- motor
- brake
- worm
- meshed
- 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 - Lifetime
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- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a brake-type balance crane which comprises a balance crane. A cone brake motor is arranged on the outer side wall of a transmission of the balance crane; a driving gear of the cone brake motor is meshed with a worm gear in the transmission; and a worm wheel at the inner end of a worm is meshed with a nut of a lifting screw. The brake-type balance crane has the advantages of high braking speed and convenience and reliability for operation.
Description
Technical field:
The utility model is a kind of balance crane with autobrake function.
Background technology:
Present balance crane; Be to connect into a four-bar linkage with axle and bearing, between the rear end of big arm and connecting rod, be installed in the horizontal rail of arm seat, balance weight is installed in big arm rear end with a pair of ball bearing of main shaft by lift heavy arm, big arm, strut bar and connecting rod; Big arm rear portion is installed on the elevating screw with suspension ring; The elevating screw up/down perforation is installed in the transmission gearbox on the arm seat, and one and elevating screw ingear worm gear are installed in transmission gearbox, and worm gear is engaged on the motor gear; Motor gear is installed on the motor shaft, and motor is fixedly mounted on a side of transmission gearbox.This traditional balance crane because of its motor all is a common electric machine, lacks the self-stopping function in outage back, brings very big inconvenience to operation.The existing awl motor of stopping is the self-stopping motor in a kind of outage back, but installation application on balance crane not.
Summary of the invention:
The purpose of the utility model provides a kind of snap catch function that has, easy to operate a kind of brake type balance crane.
The technical scheme of the utility model is accomplished as follows; It includes a balance crane; It is characterized in that: the awl motor of stopping is installed on the transmission gearbox lateral wall of balance crane; The driven wheel of boring the motor of stopping is meshed with the interior gear on worm of transmission gearbox, and the worm gear of worm screw inner end is meshed with the nut of elevating screw.It is fast to the utlity model has retro-speed, the advantage of convenient and reliable operation.
Description of drawings:
Fig. 1 is the structural representation of the utility model.
The specific embodiment:
Describe embodiment in detail in conjunction with accompanying drawing; The utility model is improvements over the prior art; Mainly be that awl motor 3 of stopping is installed on transmission gearbox 2 lateral walls of balance crane 7; The stop interior gear on worm of driven wheel 4 and transmission gearbox of motor of awl is meshed, and the worm gear 6 of worm screw 5 inner ends is meshed with nut on the elevating screw 1.The utility model changes common drive motor into and bores the motor of stopping; After electrical power work; The axial magnetic field force that stator produces makes rotor overcome spring pressure to outer displacement, and the fan brake wheel breaks away from braking mode automatically, the rotation that while circumferencial direction magnetic field force does not stop rotor; After motor loses power supply, magnetic field diminishes, brake hoop brake lining autobrake under the pressure of motor shaft upper reset spring, the rapid stall of motor reaches the purpose of balance crane snap catch.
Claims (1)
1. brake type balance crane; It includes a balance crane; It is characterized in that: the awl motor of stopping is installed on the transmission gearbox lateral wall of balance crane, and the stop driven wheel of motor of awl is meshed with the interior gear on worm of transmission gearbox, and the worm gear of worm screw inner end is meshed with the nut of elevating screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224687 CN202575774U (en) | 2012-05-18 | 2012-05-18 | Brake-type balance crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224687 CN202575774U (en) | 2012-05-18 | 2012-05-18 | Brake-type balance crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202575774U true CN202575774U (en) | 2012-12-05 |
Family
ID=47245210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220224687 Expired - Lifetime CN202575774U (en) | 2012-05-18 | 2012-05-18 | Brake-type balance crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202575774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814313A (en) * | 2017-10-21 | 2018-03-20 | 陈永 | A kind of household electrical appliances boom hoisting |
-
2012
- 2012-05-18 CN CN 201220224687 patent/CN202575774U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814313A (en) * | 2017-10-21 | 2018-03-20 | 陈永 | A kind of household electrical appliances boom hoisting |
| CN107814313B (en) * | 2017-10-21 | 2018-12-21 | 陈永 | A kind of household electrical appliances boom hoisting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |