CN105668444A - Pneumatic hoist with moment limiting device - Google Patents
Pneumatic hoist with moment limiting device Download PDFInfo
- Publication number
- CN105668444A CN105668444A CN201610208838.9A CN201610208838A CN105668444A CN 105668444 A CN105668444 A CN 105668444A CN 201610208838 A CN201610208838 A CN 201610208838A CN 105668444 A CN105668444 A CN 105668444A
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- CN
- China
- Prior art keywords
- output shaft
- motor
- order
- level
- adapter sleeve
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/26—Operating devices pneumatic or hydraulic
- B66D5/28—Operating devices pneumatic or hydraulic specially adapted for winding gear, e.g. in mining hoists
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Retarders (AREA)
Abstract
The invention provides a pneumatic hoist with a moment limiting device and belongs to the field of pneumatic hoists, aiming at solving the problems of an existing pneumatic hoist that the mechanical load-limiting size is great and the weight is heavy. With the adoption of the technical scheme, the pneumatic hoist comprises a pneumatic motor, wherein a brake is fixedly mounted on an output end face of the pneumatic motor; the brake comprises a brake seat; a spring and a piston are mounted on one side, close to the pneumatic motor, on the inner side of the brake seat; a movable friction sheet and a static friction sheet are arranged on the inner side of the brake seat on the right side of the piston; a motor connection sleeve is arranged among the movable friction sheet, the static friction sheet and a pneumatic motor output shaft; a torque moment limiter is mounted on the pneumatic motor output shaft on the left side of the motor connection sleeve; a friction plate is mounted between the torque moment limiter and the motor connection sleeve; a planetary gear transmission device is connected with the right side of the brake seat through a flange plate; and an output shaft of the planetary gear transmission device is connected with a speed reducer through a connection sleeve, and a working chain wheel sleeves the outer side of the connection sleeve.
Description
Technical field:
Patent of the present invention belongs to air hoist field, particularly relates to a kind of air hoist with torque limiting device.
Background technology:
Air hoist is current optimal Explosion proof hoist equipment in the world. Conventional air hoist has vane type, piston type and air-cylinder type three kinds. Air hoist is widely used in the industries such as oil, chemical industry, colliery, weaving, storage, household electrical appliance production line, automobile making production line and Ship Building and Repairing, is enterprise safety operation, improves efficiency, reduces the requisite equipment of cost.
Existing air hoist cannot provide elevating mechanism limit for tonnage, or the elevating mechanism limit for tonnage the provided shortcomings such as to there is volume big, Heavy Weight, it is impossible to meets the feature of the small in volume of hydraulic hoist own.
Patent of invention content:
Patent of the present invention overcomes the deficiency that prior art exists, the mechanical limit for tonnage volume solving existing air hoist is big, the problem of Heavy Weight, aim to provide a kind of air hoist with torque limiting device, this air hoist carries out torque limit in the speed end of hydraulic motor, safe and reliable, carry out when not changing existing air hoist overall dimensions promoting limit for tonnage.
For solving above-mentioned technical problem, the technical scheme that patent of the present invention adopts is: with the air hoist of torque limiting device, including air motor, the output end face of air motor is installed with brake, described brake includes brake seat, inside brake seat, the side near air motor is provided with spring and piston, movable friction plate and static friction sheet it is provided with inside brake seat on the right side of piston, movable friction plate, motor adapter sleeve it is provided with between static friction sheet and air motor output shaft, air motor output shaft on the left of motor adapter sleeve is provided with torque limiter, between torque limiter and motor adapter sleeve, friction plate is installed,
The right side of described brake seat connects planetary transmission by flanged plate, and the output shaft of planetary transmission is connected to decelerator by adapter sleeve, and the outer sheath of adapter sleeve is equipped with work sprocket wheel.
Further, dual face seals deep groove ball bearing it is provided with between described flanged plate and motor adapter sleeve.
Further, described planetary transmission includes being sleeved on first order sun gear on air motor output shaft, first order planetary gear it is engaged with outside first order sun gear, the planetary output shaft of the first order is provided with first order planet plate, the middle part of first order planet plate is provided with first order output shaft, first order output shaft is set with second level sun gear, second level planetary gear it is engaged with outside the sun gear of the second level, being provided with second level planet plate on the planetary output shaft in the second level, the middle part of second level planet plate is provided with second level output shaft.
Patent of the present invention compared with prior art has the advantages that patent of the present invention carries out torque limit by installing torque limiter in the speed end of hydraulic motor, it is different from the low speed end restriction moment of torsion that existing market is commonly used, safe and reliable, carry out when not changing original calabash overall dimensions promoting limit for tonnage, guarantee that air hoist promotes less than designing requirement, it is to avoid security incident etc. occurs.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, patent of the present invention is further described in detail.
Fig. 1 is the structural representation of patent of the present invention.
Fig. 2 is A place partial enlarged drawing in Fig. 1.
Fig. 3 is that in Fig. 1, B goes out partial enlarged drawing.
In figure: 1 is air motor, 2 is brake, 21 is brake seat, 22 is spring, 23 is piston, 24 is movable friction plate, 25 is static friction sheet, 26 is motor adapter sleeve, 27 is torque limiter, 28 is friction plate, 29 is dual face seals deep groove ball bearing, 3 is planetary transmission, 31 is first order sun gear, 32 is first order planetary gear, 33 is first order planet plate, 34 is second level sun gear, 35 is second level planetary gear, 36 is second level planet plate, 37 is second level output shaft, 38 is first order output shaft, 4 is adapter sleeve, 5 is decelerator, 6 is work sprocket wheel.
Detailed description of the invention:
As shown in Figure 1-Figure 3, air hoist with torque limiting device, including air motor 1, the output end face of air motor 1 is installed with brake 2, described brake 2 includes brake seat 21, inside brake seat 21, the side near air motor 1 is provided with spring 22 and piston 23, movable friction plate 24 and static friction sheet 25 it is provided with inside brake seat 21 on the right side of piston 23, movable friction plate 24, it is provided with motor adapter sleeve 26 between static friction sheet 25 and air motor 1 output shaft, air motor 1 output shaft on the left of motor adapter sleeve 26 is provided with torque limiter 27, friction plate 28 is installed between torque limiter 27 and motor adapter sleeve 26.
The right side of described brake seat 21 connects planetary transmission 3 by flanged plate, described planetary transmission 3 includes being sleeved on first order sun gear 31 on air motor 1 output shaft, first order planetary gear 32 it is engaged with outside first order sun gear 31, the output shaft of first order planetary gear 32 is provided with first order planet plate 33, the middle part of first order planet plate 33 is provided with first order output shaft 38, first order output shaft 38 is set with second level sun gear 34, second level planetary gear 35 it is engaged with outside second level sun gear 34, the output shaft of second level planetary gear 35 is provided with second level planet plate 36, the middle part of second level planet plate 36 is provided with second level output shaft 37. second level output shaft 37 is connected to decelerator 5 by adapter sleeve 4, and the outer sheath of adapter sleeve 4 is equipped with work sprocket wheel 6.
It addition, be provided with dual face seals deep groove ball bearing 29 between described flanged plate and motor adapter sleeve 26. Lift-off seal effect.
Patent of the present invention carries out torque limit by installing torque limiter 27 in the speed end of hydraulic motor, it is different from the low speed end restriction moment of torsion that existing market is commonly used, safe and reliable, carry out when not changing original calabash overall dimensions promoting limit for tonnage, guarantee that air hoist promotes less than designing requirement, it is to avoid security incident etc. occurs.
Above in conjunction with accompanying drawing, the embodiment of patent of the present invention is explained in detail, but patent of the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make various change under the premise without departing from patent objective of the present invention.
Claims (3)
1. the air hoist with torque limiting device, it is characterized in that: include air motor (1), the output end face of air motor (1) is installed with brake (2), described brake (2) includes brake seat (21), brake seat (21) inner side is provided with spring (22) and piston (23) near the side of air motor (1), brake seat (21) inner side on piston (23) right side is provided with movable friction plate (24) and static friction sheet (25), movable friction plate (24), motor adapter sleeve (26) it is provided with between static friction sheet (25) and air motor (1) output shaft, air motor (1) output shaft in motor adapter sleeve (26) left side is provided with torque limiter (27), friction plate (28) is installed between torque limiter (27) and motor adapter sleeve (26),
The right side of described brake seat (21) connects planetary transmission (3) by flanged plate, the output shaft of planetary transmission (3) is connected to decelerator (5) by adapter sleeve (4), and the outer sheath of adapter sleeve (4) is equipped with work sprocket wheel (6).
2. the air hoist with torque limiting device according to claim 1, it is characterised in that: it is provided with dual face seals deep groove ball bearing (29) between described flanged plate and motor adapter sleeve (26).
3. the air hoist with torque limiting device according to claim 2, it is characterized in that: described planetary transmission (3) includes being sleeved on first order sun gear (31) on air motor (1) output shaft, first order sun gear (31) outside is engaged with first order planetary gear (32), the output shaft of first order planetary gear (32) is provided with first order planet plate (33), the middle part of first order planet plate (33) is provided with first order output shaft (38), first order output shaft (38) is set with second level sun gear (34), second level sun gear (34) outside is engaged with second level planetary gear (35), the output shaft of second level planetary gear (35) is provided with second level planet plate (36), the middle part of second level planet plate (36) is provided with second level output shaft (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208838.9A CN105668444A (en) | 2016-04-06 | 2016-04-06 | Pneumatic hoist with moment limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208838.9A CN105668444A (en) | 2016-04-06 | 2016-04-06 | Pneumatic hoist with moment limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105668444A true CN105668444A (en) | 2016-06-15 |
Family
ID=56308460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610208838.9A Pending CN105668444A (en) | 2016-04-06 | 2016-04-06 | Pneumatic hoist with moment limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105668444A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986279A (en) * | 2017-04-17 | 2017-07-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| CN108163734A (en) * | 2018-03-06 | 2018-06-15 | 上海布拓传动系统设备有限公司 | A kind of 4 tons of hydraulic hoist |
| CN108163735A (en) * | 2018-03-06 | 2018-06-15 | 上海布拓传动系统设备有限公司 | A kind of 12 tons of hydraulic hoist |
| CN108275593A (en) * | 2018-03-26 | 2018-07-13 | 王�琦 | Double-hook electric block |
-
2016
- 2016-04-06 CN CN201610208838.9A patent/CN105668444A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986279A (en) * | 2017-04-17 | 2017-07-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| CN106986279B (en) * | 2017-04-17 | 2018-09-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| CN108163734A (en) * | 2018-03-06 | 2018-06-15 | 上海布拓传动系统设备有限公司 | A kind of 4 tons of hydraulic hoist |
| CN108163735A (en) * | 2018-03-06 | 2018-06-15 | 上海布拓传动系统设备有限公司 | A kind of 12 tons of hydraulic hoist |
| CN108275593A (en) * | 2018-03-26 | 2018-07-13 | 王�琦 | Double-hook electric block |
| CN108275593B (en) * | 2018-03-26 | 2023-11-21 | 浙江契卡拉起重机械有限公司 | Double-hook electric hoist |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |