CN111320092A - Electric hoist capable of preventing steel wire rope from being wound in dislocation mode - Google Patents
Electric hoist capable of preventing steel wire rope from being wound in dislocation mode Download PDFInfo
- Publication number
- CN111320092A CN111320092A CN201811537375.6A CN201811537375A CN111320092A CN 111320092 A CN111320092 A CN 111320092A CN 201811537375 A CN201811537375 A CN 201811537375A CN 111320092 A CN111320092 A CN 111320092A
- Authority
- CN
- China
- Prior art keywords
- end plate
- wire rope
- steel wire
- outer end
- transmission shaft
- 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.)
- Withdrawn
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Classifications
-
- 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
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
- F16D7/025—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs
- F16D7/027—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs with multiple lamellae
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an electric hoist capable of preventing a steel wire rope from being wound in a dislocation way, wherein a motor is fixed on a right outer end plate, a fixed bearing seat is arranged on the right outer end plate, one end of the motor is provided with a motor output shaft, the motor output shaft is inserted into the fixed bearing seat, the motor output shaft is connected with a transmission shaft through a friction plate coupling, and the other end of the transmission shaft is arranged on a left outer end plate through a bearing; a speed reducer is arranged on the transmission shaft on the right side of the left outer end plate, the speed reducer is connected with a steel wire rope reel through a coupler, and a left inner end plate and a right inner end plate are respectively arranged on two sides of the steel wire rope reel; a sliding bearing seat is arranged on a transmission shaft on the left side of the friction plate coupling, and a spring is arranged between the sliding bearing seat and the right inner end plate; the side of the steel wire rope reel is provided with a rope pressing rod, a rope pressing rod fixing rod is inserted into the rope pressing rod, one end of the rope pressing rod fixing rod is hinged with the left outer end plate, and the other end of the rope pressing rod fixing rod is hinged with the pull rod. The invention has the beneficial effect of ensuring the safe operation of the equipment.
Description
Technical Field
The invention relates to the technical field of electric hoists, in particular to an electric hoist capable of preventing a steel wire rope from being wound in a staggered mode.
Background
The electric hoist is a special hoisting device, is installed on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like.
The electric hoist relies on the reel to receive and draw wire rope, realizes the lift of lifting hook, and wire rope winding in-process can take place winding dislocation phenomenon sometimes on the reel, and wire rope dislocation winding can make electric hoist operation unstable, influences the safe operation of equipment.
Therefore, in view of the above, the invention provides an electric hoist capable of preventing a steel wire rope from being wound in a staggered manner, which is a problem to be solved by the technical personnel in the field.
Disclosure of Invention
Aiming at the defects, the invention provides an electric hoist capable of preventing a steel wire rope from being wound in a staggered mode, and aims to solve the problem that the existing electric hoist is prone to causing the steel wire rope to be wound in the staggered mode.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric hoist capable of preventing a steel wire rope from being wound in a staggered mode comprises a motor, wherein the motor is fixed on a right outer end plate, a fixed bearing seat is arranged on the right outer end plate, a motor output shaft is arranged at one end of the motor and inserted into the fixed bearing seat, the motor output shaft is connected with a transmission shaft through a friction plate coupling, and the other end of the transmission shaft is arranged on a left outer end plate through a bearing; a speed reducer is arranged on the transmission shaft on the right side of the left outer end plate and connected with a steel wire rope drum through a coupler, a left inner end plate and a right inner end plate are respectively arranged on two sides of the steel wire rope drum, a steel wire rope is fixedly wound on the steel wire rope drum, and a lifting hook is connected to the steel wire rope; a sliding bearing seat is arranged on the transmission shaft on the left side of the friction plate coupler, a spring is arranged between the sliding bearing seat and the right inner end plate, and the spring is sleeved on the transmission shaft; a rope pressing rod is arranged on the side face of the steel wire rope winding drum, a rope pressing rod fixing rod is inserted into the rope pressing rod, one end of the rope pressing rod fixing rod is hinged with the left outer end plate, and the other end of the rope pressing rod fixing rod is hinged with the pull rod; the other end of the pull rod is hinged with a first connecting rod and a second connecting rod, and the other ends of the first connecting rod and the second connecting rod are respectively hinged with the right outer end plate and the sliding bearing seat.
Further, the friction plate coupling comprises a sliding sleeve, a fixed sleeve, a sliding sleeve friction plate, a fixed sleeve friction plate, a first connecting key and a second connecting key, the sliding sleeve is connected with the transmission shaft through the first connecting key, the fixed sleeve is connected with the motor output shaft through the second connecting key, the sliding sleeve and the fixed sleeve are respectively fixed with the sliding sleeve friction plate and the fixed sleeve friction plate, and the sliding sleeve friction plate and the fixed sleeve friction plate are crossed and attached.
Further, a protective cover is arranged between the left outer end plate and the right outer end plate.
The invention has the beneficial effects that: the motor output shaft and the transmission shaft are connected through the friction plate coupler, when the steel wire rope is wound in a staggered mode, the friction plate coupler enables the motor output shaft not to transmit power to the transmission shaft, the steel wire rope and the lifting hook stop working, and safe operation of equipment is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an electric hoist for preventing a steel wire rope from being wound in a dislocation way according to the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of the installation position of the rope-pressing roller of the present invention;
FIG. 4 is a schematic structural view of the friction plate coupling of the present invention;
fig. 5 is a partial enlarged view at fig. 4B;
in the figure, 1, a motor; 2. an output shaft of the motor; 3. fixing a bearing seat; 4. a friction plate coupling; 5. a drive shaft; 6. a sliding bearing seat; 7. a left outer end plate; 8. a right outer end plate; 9. a protective cover; 10. a speed reducer; 11. a coupling; 12. a wire rope drum; 13. a wire rope; 14. a hook; 15. a left inner end plate; 16. a right inner end plate; 17. a spring; 18. a rope pressing rod; 19. a rope pressing rod fixing rod; 20. a pull rod; 21. a first connecting rod; 22. a second connecting rod; 401. a sliding sleeve; 402. fixing a sleeve; 403. a sliding sleeve friction plate; 404. fixing a friction plate; 405. a connecting key I; 406. and a second connecting key.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-3, an electric hoist for preventing a steel wire rope from being wound in a staggered manner comprises a motor 1, wherein the motor 1 is fixed on a right outer end plate 8, a fixed bearing seat 3 is arranged on the right outer end plate 8, one end of the motor 1 is provided with a motor output shaft 2, the motor output shaft 2 is inserted into the fixed bearing seat 3, the motor output shaft 2 is connected with a transmission shaft 5 through a friction plate coupler 4, and the other end of the transmission shaft 5 is arranged on a left outer end plate 7 through a bearing; a speed reducer 10 is arranged on the transmission shaft 5 on the right side of the left outer end plate 7, the speed reducer 10 is connected with a steel wire rope reel 12 through a coupler 11, a left inner end plate 15 and a right inner end plate 16 are respectively arranged on two sides of the steel wire rope reel 12, a steel wire rope 13 is fixedly wound on the steel wire rope reel 12, and a lifting hook 14 is connected to the steel wire rope 13; a sliding bearing seat 6 is arranged on the transmission shaft 5 on the left side of the friction plate coupling 4, a spring 17 is arranged between the sliding bearing seat 6 and the right inner end plate 16, and the spring 17 is sleeved on the transmission shaft 5; a rope pressing rod 18 is arranged on the side face of the steel wire rope drum 12, a rope pressing rod fixing rod 19 is inserted into the rope pressing rod 18, one end of the rope pressing rod fixing rod 19 is hinged with the left outer end plate 7, and the other end of the rope pressing rod fixing rod is hinged with a pull rod 20; the other end of the pull rod 20 is hinged with a first connecting rod 21 and a second connecting rod 22, and the other ends of the first connecting rod 21 and the second connecting rod 22 are respectively hinged with the right outer end plate 8 and the sliding bearing seat 6;
wherein a protective cover 9 is also arranged between the left outer end plate 7 and the right outer end plate 8.
As shown in fig. 4-5, the friction plate coupling 4 includes a sliding sleeve 401, a fixed sleeve 402, a sliding sleeve friction plate 403, a fixed sleeve friction plate 404, a first connecting key 405 and a second connecting key 406, the sliding sleeve 401 is connected to the transmission shaft 5 through the first connecting key 405, the fixed sleeve 402 is connected to the motor output shaft 2 through the second connecting key 406, wherein the sliding sleeve friction plate 403 and the fixed sleeve friction plate 404 are respectively fixed on the sliding sleeve 401 and the fixed sleeve 402, and the sliding sleeve friction plate 403 and the fixed sleeve friction plate 404 are cross-bonded.
In the embodiment, the motor output shaft 2 drives the transmission shaft 5 to rotate through the friction plate coupler 4, the transmission shaft 5 drives the steel wire rope reel 12 to rotate through the speed reducer 10 and the coupler 11, and the steel wire rope reel 12 controls the lifting of the lifting hook 14 through the steel wire rope 13; when the steel wire rope 13 is wound on the steel wire rope drum 12 in a staggered manner, the steel wire rope 13 wound in a staggered manner can jack up the rope pressing rod 18, the jacked rope pressing rod 18 can pull the first connecting rod 21 and the second connecting rod 22 through the rope pressing rod fixing rod 19 and the pull rod 20, the first connecting rod 21 and the second connecting rod 22 can push the sliding bearing seat 6 to the left side to enable the sliding bearing seat 6 to extrude the spring 17, at the moment, the spring 17 does not extrude the sliding sleeve 401 through the sliding bearing seat 6 any more, so that the sliding sleeve friction plate 403 on the sliding sleeve 401 is not extruded and attached to the fixed sleeve friction plate 404 on the fixed sleeve 402 any more, at the moment, the sliding sleeve friction plate 403 and the fixed sleeve friction plate 404 rotate relatively, at the moment, the friction plate coupler 4 enables the motor output shaft 2 not to transmit power to the.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a prevent winding electric block of wire rope dislocation, includes motor (1), its characterized in that: the motor (1) is fixed on the right outer end plate (8), the right outer end plate (8) is provided with a fixed bearing seat (3), one end of the motor (1) is provided with a motor output shaft (2), the motor output shaft (2) is inserted into the fixed bearing seat (3), the motor output shaft (2) is connected with the transmission shaft (5) through a friction plate coupling (4), and the other end of the transmission shaft (5) is arranged on the left outer end plate (7) through a bearing; a speed reducer (10) is arranged on a transmission shaft (5) on the right side of the left outer end plate (7), the speed reducer (10) is connected with a steel wire rope reel (12) through a coupler (11), a left inner end plate (15) and a right inner end plate (16) are respectively arranged on two sides of the steel wire rope reel (12), a steel wire rope (13) is fixedly wound on the steel wire rope reel (12), and a lifting hook (14) is connected to the steel wire rope (13); a sliding bearing seat (6) is arranged on a transmission shaft (5) on the left side of the friction plate coupler (4), a spring (17) is arranged between the sliding bearing seat (6) and a right inner end plate (16), and the spring (17) is sleeved on the transmission shaft (5); a rope pressing rod (18) is arranged on the side face of the steel wire rope winding drum (12), a rope pressing rod fixing rod (19) is inserted into the rope pressing rod (18), one end of the rope pressing rod fixing rod (19) is hinged with the left outer end plate (7), and the other end of the rope pressing rod fixing rod is hinged with a pull rod (20); the other end of the pull rod (20) is hinged with a first connecting rod (21) and a second connecting rod (22), and the other ends of the first connecting rod (21) and the second connecting rod (22) are hinged with the right outer end plate (8) and the sliding bearing seat (6) respectively.
2. The electric hoist capable of preventing the steel wire rope from being wound in a staggered way according to claim 1, is characterized in that: friction disc shaft coupling (4) are including sliding sleeve (401), fixed cover (402), sliding sleeve friction disc (403), fixed cover friction disc (404), connection key (405) and connection key two (406), transmission shaft (5) are connected through connection key one (405) in sliding sleeve (401), and motor output shaft (2) are connected through connection key two (406) in fixed cover (402), wherein are fixed with sliding sleeve friction disc (403) and fixed cover friction disc (404) respectively on sliding sleeve (401) and fixed cover (402), and sliding sleeve friction disc (403) and fixed cover friction disc (404) cross laminating.
3. The electric hoist capable of preventing the steel wire rope from being wound in a staggered way according to claim 1, is characterized in that: and a protective cover (9) is also arranged between the left outer end plate (7) and the right outer end plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537375.6A CN111320092A (en) | 2018-12-15 | 2018-12-15 | Electric hoist capable of preventing steel wire rope from being wound in dislocation mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537375.6A CN111320092A (en) | 2018-12-15 | 2018-12-15 | Electric hoist capable of preventing steel wire rope from being wound in dislocation mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111320092A true CN111320092A (en) | 2020-06-23 |
Family
ID=71165195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811537375.6A Withdrawn CN111320092A (en) | 2018-12-15 | 2018-12-15 | Electric hoist capable of preventing steel wire rope from being wound in dislocation mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111320092A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125747A (en) * | 2022-06-30 | 2022-09-30 | 北京大正永业科技有限公司 | Rope pressing device |
-
2018
- 2018-12-15 CN CN201811537375.6A patent/CN111320092A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125747A (en) * | 2022-06-30 | 2022-09-30 | 北京大正永业科技有限公司 | Rope pressing device |
| CN115125747B (en) * | 2022-06-30 | 2023-10-13 | 北京大正永业科技有限公司 | Rope pressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200623 |