CN212222282U - Electric hoist with protector - Google Patents
Electric hoist with protector Download PDFInfo
- Publication number
- CN212222282U CN212222282U CN202021033443.8U CN202021033443U CN212222282U CN 212222282 U CN212222282 U CN 212222282U CN 202021033443 U CN202021033443 U CN 202021033443U CN 212222282 U CN212222282 U CN 212222282U
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- electric hoist
- gear
- plate
- electric
- wire rope
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Abstract
The utility model discloses an electric hoist with a protective device, which comprises an electric hoist body, wherein the protective device is respectively arranged on two sides of the electric hoist; each protection device comprises a connecting plate with an L-shaped cross section, the upper end of the vertical part of each connecting plate is fixedly connected with the side part of the electric hoist body, a driving motor and a transmission case are arranged on the horizontal part of each connecting plate, the driving shaft of the driving motor is connected with a middle shaft of a first gear which is rotatably arranged in the transmission case, a second gear which is matched with the first gear is arranged in the transmission case, and the second gear is fixedly sleeved on the outer side of the nut sleeve. The utility model discloses at the during operation, play certain limiting displacement to wire rope through two guard plates that two cross-sections set up for arc and relatively to prevent that wire rope from appearing huge rocking and leading to its condition emergence that breaks away from the reel, improved the reliability of electric block work, reduced the potential safety hazard.
Description
Technical Field
The utility model relates to an electric block technical field especially relates to an electric block with protector.
Background
The electric hoist is a special hoisting device, is arranged on a crown block and a gantry crane, and has the characteristics of small volume, light dead weight, simple operation, convenient use and the like. At the present stage, the electric hoist mainly drives the winding drum to rotate through the motor to wind and unwind the steel wire rope wound on the winding drum, so that the heavy object is lifted and descended. However, when the goods are lifted by the lifting hook at the end of the steel wire rope, the goods and the steel wire rope are easy to swing in the air due to the movement of the electric hoist, and if the amplitude of the steel wire rope is too large in the long-term swinging process, the steel wire rope is easy to fall off the reel, so that the electric hoist is ineffective and safety accidents are easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric block with protector solves the technical problem who mentions in the above-mentioned background art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to an electric hoist with a protective device, which comprises an electric hoist body, wherein the two sides of the electric hoist are respectively provided with the protective device; each protective device comprises a connecting plate with an L-shaped section, the upper end of the vertical part of each connecting plate is fixedly connected with the side part of the electric hoist body, the horizontal part of each connecting plate is provided with a driving motor and a transmission case, the driving shaft of the driving motor is connected with the intermediate shaft of the first gear which is rotatably arranged in the transmission case, a second gear matched with the first gear is arranged in the transmission case, the second gear is fixedly sleeved outside the nut sleeve, two ends of the nut sleeve are rotationally connected with the side wall of the transmission case, an internal thread is arranged on the central hole of the nut sleeve, the nut sleeve is characterized in that a screw rod in threaded connection with the nut sleeve is inserted into the center hole of the nut sleeve, and two opposite ends of the screw rod are provided with protective plates with arc-shaped sections and used for protecting a steel wire rope of the electric hoist body from moving in the air.
Furthermore, two one end that the lead screw deviates from each other is fixed respectively and is provided with the limiting plate.
Further, two the relative one end of lead screw all is fixed and is provided with the mounting panel, two the guard plate sets up respectively in two on the mounting panel.
Furthermore, each mounting plate is provided with a plurality of through holes, sliding rods are arranged in the through holes in a sliding mode, one end of each sliding rod is fixedly connected with the protection plate, the other end of each sliding rod is provided with a limiting head, the diameter of each limiting head is larger than the inner diameter of each through hole, and a buffer spring is sleeved on the position, located between the mounting plate and the protection plate, of each sliding rod.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses at the during operation, play certain limiting displacement to wire rope through two guard plates that two cross-sections set up for arc and relatively to prevent that wire rope from appearing huge rocking and leading to its condition emergence that breaks away from the reel, improved the reliability of electric block work, reduced the potential safety hazard. And can make two lead screws make linear motion through driving motor and gear drive to the position of two guard plates can the adaptability be adjusted when the wire rope takes place the position owing to the rolling.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the guard;
FIG. 3 is a top view of the guard;
description of reference numerals: 1. an electric hoist body; 2. a connecting plate; 3. a drive motor; 4. a transmission case; 5. A first gear; 6. a second gear; 7. a nut sleeve; 8. a lead screw; 9. a protection plate; 10. a limiting plate; 11. mounting a plate; 12. a slide bar; 13. a limiting head; 14. a buffer spring.
Detailed Description
As shown in fig. 1 to 3, an electric hoist with a protection device includes an electric hoist body 1, and the two sides of the electric hoist are respectively provided with the protection device.
Each protection device comprises a connecting plate 2 with an L-shaped cross section, the upper end of the vertical part of each connecting plate 2 is fixedly connected with the side part of the electric hoist body 1, and a driving motor 3 and a transmission case 4 are fixedly mounted on the horizontal part of each connecting plate 2. The driving shaft of the driving motor 3 is connected with a middle shaft of a first gear 5 which is rotatably arranged in the transmission case 4, and a second gear 6 which is matched with the first gear 5 is arranged in the transmission case 4. The second gear 6 is fixedly sleeved outside the nut sleeve 7, two ends of the nut sleeve 7 are rotatably connected with the side wall of the transmission case 4, an internal thread is arranged on a central hole of the nut sleeve 7, a lead screw 8 in threaded connection with the nut sleeve 7 is inserted in the central hole of the nut sleeve 7,
two the one end that lead screw 8 is relative all is provided with the cross-section and is the arc and be used for the protection the wire rope of electric block body is at guard plate 9 of air float. And two limiting plates 10 are respectively and fixedly arranged at the ends of the lead screws 8 which deviate from each other.
In this embodiment, two the relative one end of lead screw 8 is all fixed and is provided with mounting panel 11, two guard plate 9 sets up respectively in two on the mounting panel 11. Specifically, each mounting plate 11 is provided with a plurality of through holes, each through hole is internally provided with a sliding rod 12 in a sliding manner, one end of each sliding rod 12 is fixedly connected with the protection plate 9, the other end of each sliding rod 12 is provided with a limiting head 13 with the diameter larger than the inner diameter of the through hole, and a buffer spring 14 is sleeved at the position, between the mounting plate 11 and the protection plate 9, of each sliding rod 12.
The utility model discloses at the during operation, play certain limiting displacement to wire rope through two guard plates that two cross-sections set up for arc and relatively to prevent that wire rope from appearing huge rocking and leading to its condition emergence that breaks away from the reel, improved the reliability of electric block work, reduced the potential safety hazard. Can make two lead screws make linear motion through driving motor and gear drive to the position of two guard plates can the adaptability make the regulation when wire rope takes place the position owing to the rolling, and the area between two guard plates is passed to the couple of the electric block of being convenient for.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (4)
1. The utility model provides an electric block with protector, includes electric block body (1), its characterized in that: protective devices are respectively arranged on two sides of the electric hoist; each protection device comprises connecting plates (2) with L-shaped sections, the upper ends of the vertical parts of the connecting plates (2) are fixedly connected with the side parts of the electric hoist body (1), the horizontal parts of the connecting plates (2) are provided with driving motors (3) and transmission boxes (4), the driving shafts of the driving motors (3) are connected with the middle shafts of first gears (5) which are rotatably arranged in the transmission boxes (4), the transmission boxes (4) are internally provided with second gears (6) which are matched with the first gears (5), the second gears (6) are fixedly sleeved outside nut sleeves (7), the two ends of the nut sleeves (7) are rotatably connected with the side walls of the transmission boxes (4), the central holes of the nut sleeves (7) are provided with internal threads, and lead screws (8) which are in threaded connection with the nut sleeves (7) are inserted in the central holes of the nut sleeves (7), and two opposite ends of the screw rods (8) are respectively provided with a protective plate (9) with an arc-shaped section and used for protecting the steel wire rope of the electric hoist body from moving in the air.
2. The electric hoist with guard device according to claim 1, characterized in that: and two limiting plates (10) are respectively and fixedly arranged at the ends of the lead screws (8) which deviate from each other.
3. The electric hoist with guard device according to claim 1, characterized in that: two the relative one end of lead screw (8) all is fixed and is provided with mounting panel (11), two guard plate (9) set up respectively in two on mounting panel (11).
4. The electric hoist with guard device according to claim 3, characterized in that: each mounting plate is provided with a plurality of through holes, sliding rods (12) are arranged in each through hole in a sliding mode, one end of each sliding rod (12) is fixedly connected with the protection plate (9), the other end of each sliding rod is provided with a limiting head (13) with the diameter larger than the inner diameter of each through hole, and a buffer spring (14) is sleeved on the position, located between the mounting plate (11) and the protection plate (9), of each sliding rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021033443.8U CN212222282U (en) | 2020-06-08 | 2020-06-08 | Electric hoist with protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021033443.8U CN212222282U (en) | 2020-06-08 | 2020-06-08 | Electric hoist with protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212222282U true CN212222282U (en) | 2020-12-25 |
Family
ID=73931122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021033443.8U Active CN212222282U (en) | 2020-06-08 | 2020-06-08 | Electric hoist with protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212222282U (en) |
-
2020
- 2020-06-08 CN CN202021033443.8U patent/CN212222282U/en active Active
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