CN212609125U - Rope breaking protection device for hoisting - Google Patents
Rope breaking protection device for hoisting Download PDFInfo
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- CN212609125U CN212609125U CN202021546478.1U CN202021546478U CN212609125U CN 212609125 U CN212609125 U CN 212609125U CN 202021546478 U CN202021546478 U CN 202021546478U CN 212609125 U CN212609125 U CN 212609125U
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- guide wheel
- rope
- sliding column
- main body
- protector main
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Abstract
The utility model discloses a broken rope protection device for hoisting, which comprises a broken rope protector main body; an anti-skid device and an elastic clamping device are arranged in the rope breaking protector main body, and the anti-skid device and the elastic clamping device are connected with a safety rope penetrating through the rope breaking protector main body in a matched mode; the rope breakage protector main body is connected with the sensing device through a limiting mechanism; the sensing device comprises a guide wheel bracket, a guide wheel shaft, a guide wheel, a sliding column connecting frame and a sliding column; one end of the guide wheel bracket is hinged with the rope breaking protector main body, the other end of the guide wheel bracket is connected with the guide wheel shaft, and the guide wheel is rotatably arranged on the guide wheel shaft; one end of the sliding column connecting frame is hinged with the guide wheel shaft, and the other end of the sliding column connecting frame is rotatably connected with the sliding column through a pin shaft; the lifting rope penetrates through the guide wheel and the sliding column and is in close contact with the guide wheel and the sliding column; the utility model has the advantages of simple and reasonable structure, easily installation and maintenance use safe and reliable, can the wide application multiple tonnage and polytype installation environment, the practicality is strong, and application scope is wide.
Description
Technical Field
The utility model relates to a lifting means technical field especially relates to a hoist and mount are with disconnected rope protection device.
Background
The steel wire rope is a flexible rope twisted by a plurality of or a plurality of strands of thin steel wires, the strands are twisted by a plurality of layers of steel wires, then a rope core is taken as a center, a certain number of strands are wound into a spiral rope, the spiral rope is used for lifting, traction, fixed tensioning and bearing in a material handling machine, the steel wire rope has high strength, light dead weight and stable work, the steel wire rope is used as a lifting appliance or a traction medium in many occasions, however, in the using process, because a hanging object continuously moves in the upper direction, the lower direction, the left direction, the right direction and the like, the rope is seriously abraded or aged after being used for a long time, the accidents such as instantaneous inclination of the lifting appliance or damage of the steel wire rope and the like are easily caused, and serious potential.
At present, a rope breaking protection device in lifting equipment generally adopts a pin shaft and a wedge type rope breaking protector, the two protectors have common action reliability and sensitivity, the lifting equipment is often damaged due to large impact force in the use process, even a heavy accident of machine damage and death occurs, and much manpower and time are consumed in the work recovery process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical insufficiency, the utility model provides a hoist and mount are with disconnected rope protection device can brake the heavy object that falls in the twinkling of an eye of hanging wire rope and appearing the breakage accident to can protect equipment and personnel's safety effectively.
The utility model provides a technical scheme that its technical problem adopted is: a rope breaking protection device for hoisting comprises a rope breaking protector main body; an anti-skid device and an elastic clamping device are arranged in the rope breaking protector main body, and the anti-skid device and the elastic clamping device are connected with a safety rope penetrating through the rope breaking protector main body in a matched mode; the rope breakage protector main body is connected with the sensing device through a limiting mechanism; the sensing device comprises a guide wheel bracket, a guide wheel shaft, a guide wheel, a sliding column connecting frame and a sliding column; one end of the guide wheel bracket is hinged with the rope breaking protector main body, the other end of the guide wheel bracket is connected with the guide wheel shaft, and the guide wheel is rotatably arranged on the guide wheel shaft; one end of the sliding column connecting frame is hinged with the guide wheel shaft, and the other end of the sliding column connecting frame is rotatably connected with the sliding column through a pin shaft; the lifting rope passes through the guide wheel and the sliding column and is in close contact with the guide wheel and the sliding column, and the safety rope and the lifting rope are preferably steel wire ropes.
The limiting mechanism comprises a limiting pin arranged on the rope breaking protector main body and an arc-shaped hole arranged on the guide wheel support, and the positioning pin is positioned in the arc-shaped hole on the guide wheel support, so that the sensing device can only be limited in the angle of the arc-shaped hole when rotating on the rope breaking protector main body.
When the lifting rope passes through the space between the guide wheel and the sliding column, the lifting rope can abut against the guide wheel and the sliding column, the spring in the elastic clamping device is compressed by utilizing the tightening pressure when the lifting rope is lifted, and is in a compression state, the guide wheel is connected with the guide wheel shaft through the bearing, so the elastic clamping device can rotate along with the change of the lifting rope at any time, the anti-skid clamping device in the rope breaking protector main body does not play a braking role during normal lifting, once the lifting rope is loosened or damaged due to faults, the pressure on the guide wheel is reduced, the compressed spring bounces, the anti-skid device connected with the guide wheel tightly buckles the safety rope, and the friction force is instantly increased and is completely braked with the safety rope. The weight dropped is braked quickly to play a role of complete protection.
The utility model has the advantages that:
(1) simple and reasonable structure, easy installation and maintenance and high sensitivity.
(2) The brake device has the advantages of good brake performance, safe and reliable use, strong practicability and wide application range, and can be widely applied to various tonnage and various installation environments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a usage state diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a plan view of the present invention.
The broken rope protector comprises a broken rope protector main body 1, a safety rope 2, a limiting mechanism 3, a guide wheel bracket 4, a guide wheel 5, a sliding column connecting frame 6, a sliding column 7, a lifting rope 8, a limiting pin 301, an arc-shaped hole 302 and a carrying plate 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
Referring to fig. 1 to 4, the present embodiment provides a rope breakage protection device for hoisting, including a rope breakage protector main body 1; an anti-skid device and an elastic clamping device are arranged in the rope breaking protector main body 1 and are connected with a safety rope 2 penetrating through the rope breaking protector main body 1 in a matching mode; the structure is similar to that of a pin shaft type rope breaking protector in the prior art, in order to further improve the performance, a sensing device is added on the basis of the prior art, and the rope breaking protector main body 1 is connected with the sensing device through a limiting mechanism 3; the sensing device comprises a guide wheel bracket 4, a guide wheel shaft, a guide wheel 5, a sliding column connecting frame 6 and a sliding column 7; one end of the guide wheel bracket 4 is hinged with the rope breaking protector main body 1, the other end of the guide wheel bracket is connected with a guide wheel shaft, the guide wheel 5 is rotatably arranged on the guide wheel shaft, and the guide wheel 5 can freely rotate by taking the guide wheel shaft as the center of a circle; one end of the sliding column connecting frame 6 is hinged with the guide wheel shaft, and the other end is rotatably connected with the sliding column 7 through a pin shaft; the lifting rope 8 passes through between the guide wheel 5 and the sliding column 7 and is in close contact with the guide wheel 5 and the sliding column 7.
The safety rope 2 and the lifting rope 8 are preferably steel wire ropes, so that the safety factor is high, the use is safe and reliable, the effects of bearing various loads and variable loads can be realized, and the high tensile strength, the high fatigue resistance and the high impact toughness are realized.
The limiting mechanism 3 is a limiting pin 301 arranged on the rope breaking protector main body 1 and an arc-shaped hole 302 arranged on the guide wheel bracket 4, and the positioning pin 301 is positioned in the arc-shaped hole 302 on the guide wheel bracket 4, so that the sensing device can only be limited in the angle of the arc-shaped hole 302 when rotating on the rope breaking protector main body 1.
The utility model discloses during the installation, will break rope protector main part 1 and pass through the bolt fastening on the used thing board 9 that carries of hoist and mount heavy object, hoist and mount apparatus is linked on 8 tops of lifting rope, connects the thing board 9 that carries after passing between guide pulley 5 and traveller 7 in the bottom, and 2 tops of safety rope hoist and mount, the bottom is installed inside the broken rope protector main part 1.
The utility model discloses during the use, can be near guide pulley 5 and traveller 7 when the lifting rope 8 passes between guide pulley 5 and traveller 7, the spring compression of the pressure of tightening in with the elastic clamping device when utilizing lifting rope 8 to promote to be in compression state, because guide pulley 5 is connected through bearing and guide pulley axle, consequently can follow the change of lifting rope 8 at any time and rotate, the braking action is not played to the inside anti-skidding clamping device of disconnected rope protector main part 1 during normal hoist and mount.
If because of some reason, take place the lifting rope 8 and break suddenly or relax for carry thing board 9 and disconnected rope protector main part 1 when taking place the tenesmus, the guide pulley 5 of being connected with lifting rope 8 this moment breaks away from the pressure state, and the inside resilient means of disconnected rope protector main part 1 also breaks away from the compression state, and inside clamping device presss from both sides tight safety rope 2 in the twinkling of an eye, and frictional force increases rapidly, makes at last carry thing board 9 that carries the heavy object by the complete braking, the effectual personnel and the equipment safety of having protected.
After the accident is eliminated, the lifting rope 8 is connected again, the guide wheel 5 is in a pressure state along with the force applied by the lifting rope 8, the elastic device in the rope breaking protector main body 1 is in a compressed state, the safety rope is separated from protection, and the safety rope is recovered to be normal.
The above description is not limited to the above examples, and technical features of the present invention that are not described may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention do not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.
Claims (3)
1. A rope breaking protection device for hoisting comprises a rope breaking protector main body (1); an anti-skid device and an elastic clamping device are arranged in the rope breaking protector main body (1), and the anti-skid device and the elastic clamping device are connected with a safety rope (2) penetrating through the rope breaking protector main body (1) in a matching manner; the rope breaking protector is characterized in that the rope breaking protector main body (1) is connected with a sensing device through a limiting mechanism (3); the sensing device comprises a guide wheel bracket (4), a guide wheel shaft, a guide wheel (5), a sliding column connecting frame (6) and a sliding column (7); one end of the guide wheel bracket (4) is hinged with the rope breaking protector main body (1), the other end of the guide wheel bracket is connected with a guide wheel shaft, and the guide wheel (5) is rotatably arranged on the guide wheel shaft; one end of the sliding column connecting frame (6) is hinged with the guide wheel shaft, and the other end is rotationally connected with the sliding column (7) through a pin shaft; the lifting rope (8) passes through the guide wheel (5) and the sliding column (7) and is tightly contacted with the guide wheel (5) and the sliding column (7).
2. The rope breakage protection device for hoisting according to claim 1, wherein the limiting mechanism (3) is a limiting pin (301) arranged on the rope breakage protector body (1) and an arc-shaped hole (302) arranged on the guide wheel bracket (4), and the limiting pin (301) is positioned in the arc-shaped hole (302) on the guide wheel bracket (4).
3. The rope breakage protection device for hoisting according to claim 1, wherein the safety rope (2) and the lifting rope (8) are steel wire ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546478.1U CN212609125U (en) | 2020-07-30 | 2020-07-30 | Rope breaking protection device for hoisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546478.1U CN212609125U (en) | 2020-07-30 | 2020-07-30 | Rope breaking protection device for hoisting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212609125U true CN212609125U (en) | 2021-02-26 |
Family
ID=74729277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021546478.1U Active CN212609125U (en) | 2020-07-30 | 2020-07-30 | Rope breaking protection device for hoisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212609125U (en) |
-
2020
- 2020-07-30 CN CN202021546478.1U patent/CN212609125U/en active Active
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