CN210594999U - Winch - Google Patents
Winch Download PDFInfo
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- CN210594999U CN210594999U CN201921013945.1U CN201921013945U CN210594999U CN 210594999 U CN210594999 U CN 210594999U CN 201921013945 U CN201921013945 U CN 201921013945U CN 210594999 U CN210594999 U CN 210594999U
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- wire rope
- pressure
- steel wire
- pulley
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Abstract
The utility model discloses a winch, which comprises a convolution frame, a winding drum arranged on the convolution frame and used for winding a steel wire rope, a hydraulic motor arranged outside the convolution frame and used for controlling the rotation of the winding drum, a rope pressing device arranged on one side of the winding drum and an over-discharge prevention device arranged on the outer side wall of the convolution frame; the rope pressing device comprises a three-pressing main shaft arranged above the winding drum, two ends of the three-pressing main shaft are respectively in rotatable connection with two side walls of the revolving rack, two three-pressing side plates are fixedly arranged on the three-pressing main shaft in parallel, a rotating shaft is fixedly connected to the lower ends of the three-pressing side plates, and a three-pressing oblique pulley block is rotatably mounted on the rotating shaft. The utility model discloses can make wire rope receive and release in-process ordered arrangement, avoid wire rope unlimited transferring at the dish in-process that rises, avoid the wire rope end to bear too big pulling force and destroy or cracked problem, prolong wire rope's life, application range is extensive.
Description
Technical Field
The utility model relates to a wire rope receive and releases technical field, concretely relates to winch.
Background
When the hoist hoists the operation, the in-process of getting up the hook, wire rope twines around the winch in proper order, and when the lifting hook descends, if the lifting hook descends to the object surface, the winch wire rope can break away from original order, can arouse phenomenon such as arrange untidy, makes wire rope appear blocking easily when next use, or causes the wire rope local stress inhomogeneous, uses inconveniently.
And when the hoisting is carried out, along with the descending of a heavy object, the steel wire rope on the existing winch can be infinitely lowered, when the steel wire rope is completely below, the connecting end of the steel wire rope and the winch bears large tensile force and continues to rotate, the steel wire rope continues to wind upwards in the winding direction, the steel wire rope is easy to damage or break, the service life of the steel wire rope is shortened, and the construction cost is increased.
In addition, in order to adapt to different construction sites, the length requirements of the steel wire ropes are different, and when the length requirements are large, the steel wire ropes need to be wound on the winch for multiple turns, so that the number of safe turns of the steel wire ropes is not well controlled, manual supervision is sometimes needed, and labor is wasted.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide a winch, can make wire rope receive and release in-process orderly arrangement, avoid wire rope unlimited transferring at the dish in-process that rises, effectively solve wire rope and destroy or cracked problem easily, prolong wire rope's life, increase job site's security, can be used for the condition that wire rope twined many rings on the reel simultaneously, need not manual supervision, the liberation labour.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a winch comprises a rotary rack, a winding drum arranged on the rotary rack and used for winding a steel wire rope, a hydraulic motor arranged on the outer side of the rotary rack and used for controlling the rotation of the winding drum, a rope pressing device arranged on one side of the winding drum and used for pressing the steel wire rope, and an over-discharge prevention device arranged on the outer side wall of the rotary rack;
the rope pressing device comprises a three-pressing main shaft arranged above the winding drum, two ends of the three-pressing main shaft are respectively rotatably connected with two side walls of the revolving rack, two three-pressing side plates are fixedly arranged on the three-pressing main shaft in parallel, the lower ends of the three-pressing side plates are fixedly connected with a rotating shaft, a three-pressing oblique pulley block is rotatably mounted on the rotating shaft, and the three-pressing oblique pulley block is in close contact with the steel wire rope;
the three-pressure oblique pulley block comprises a flat pressure pulley fixedly sleeved on the rotating shaft and oblique pressure pulleys arranged at two ends of the flat pressure pulley respectively, the flat pressure pulley is in a round roller shape, and the oblique pressure pulley is in a conical shape; and a proximity switch is arranged on one side of the flat pressing pulley, which is in contact with the steel wire rope.
According to the technical scheme, the rope pressing device enables the steel wire rope to be tightly combined with the winding drum, the steel wire rope is sequentially wound around the winding drum to ascend in the lifting process, the steel wire rope is sequentially discharged from the winding drum in the descending process, the steel wire ropes on the winding drum are sequentially arranged, and the disorder of arrangement of the steel wire ropes is avoided; in the process of lowering the steel wire rope, the proximity switch controls the lowering degree of the steel wire rope by sensing the contact times of the proximity switch and the steel wire rope, when the contact times of the proximity switch are equal to the set times, the steel wire rope is positioned at the last layer, and the over-discharge prevention device can ensure that the steel wire rope is not continuously lowered when the steel wire rope is placed to the set number of turns, so that the steel wire rope is prevented from being damaged, and the service life of the steel wire rope is prolonged; because the inclined pressing pulleys are positioned on two sides of the flat pressing pulley, the steel wire rope is not wound in different directions, and the use is more convenient.
Preferably, the over-discharge prevention device comprises a base fixedly arranged on one side of the revolving rack, a travel switch arranged on the base and electrically connected with the hydraulic motor, and a three-pressing pull plate fixedly connected with one end of the three-pressing main shaft, wherein a three-pressing jackscrew corresponding to the travel switch is fixedly arranged on the inner side of the three-pressing pull plate, a three-pressing spring is fixedly arranged on the lower part of the three-pressing pull plate, and the other end of the three-pressing spring is fixedly connected with the base.
The three-pressing oblique pulley block is close to the steel wire rope in the coiling and lifting process of the steel wire rope, the three-pressing spring is in an extension state at the moment, when the steel wire rope is placed to the last layer and then contacts with the oblique pulley, the rotating shaft on one side of the oblique pulley inclines inwards, the three-pressing main shaft is driven to rotate clockwise through the three-pressing side plate, the three-pressing spring rebounds to drive the three-pressing jackscrew to contact with the travel switch, the working state of the hydraulic motor is further controlled, and the steel wire rope is prevented from being continuously placed.
Preferably, the distance between the steel wire rope at the contact part of the steel wire rope and the inclined pressing pulley and the tail end of the steel wire rope is just three times around the winding drum. And ensuring that the steel wire rope is finally lowered to three safe turns and then stops.
Preferably, an alarm is arranged on the revolving rack. When the steel wire rope is lowered to the last layer, the alarm gives an alarm to prompt staff of the lowering condition of the steel wire rope.
Preferably, the triple-pressure main shaft is located at an intermediate position above the winding drum.
The utility model has the advantages that:
the utility model can ensure that the steel wire rope stops transferring when transferring to the safe number of turns under the matching of the proximity switch and the inclined pressure pulley, avoid the unlimited transferring of the steel wire rope, avoid the damage caused by the overlarge pulling force borne by the end part connected with the winch of the steel wire rope, prolong the service life of the steel wire rope and reduce the replacement times of the steel wire rope; the steel wire rope is pressed by the rope pressing device in the lowering and coiling processes of the steel wire rope, so that the steel wire rope can be orderly wound on the winding drum, the phenomenon of uneven arrangement of the steel wire rope is avoided, and the steel wire rope is prevented from being jammed in the using process; the invention can be used for the construction of steel wire ropes with various lengths, ensures the orderly construction, improves the construction efficiency and reduces the maintenance cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of a three-pressure oblique pulley block.
In the figure: the device comprises a rotary rack 1, a base 2, a travel switch 3, a three-pressing pull plate 4, a three-pressing jackscrew 5, a three-pressing spring 6, a three-pressing main shaft 7, a three-pressing oblique pulley block 8, a three-pressing side plate 9, a winding drum 10, an alarm 11, an oblique pressing pulley 12, a flat pressing pulley 13 and a proximity switch 14.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-3, a winch comprises a revolving rack 1, a winding drum 10 arranged on the revolving rack 1 for winding a steel wire rope, a hydraulic motor arranged on the outer side of the revolving rack 1 for controlling the rotation of the winding drum 10, a rope pressing device arranged on one side of the winding drum 10, and an over-discharge prevention device and an alarm 11 arranged on the outer side wall of the revolving rack 1.
The rope pressing device comprises a three-pressing main shaft 7 arranged above the winding drum 10, two ends of the three-pressing main shaft 7 are respectively and rotatably connected with two side walls of the revolving rack 1, and the three-pressing main shaft 7 is positioned in the middle position above the winding drum 10; two three-pressure side plates 9 are fixedly arranged on the three-pressure main shaft 7 in parallel, the lower ends of the three-pressure side plates 9 are fixedly connected with a rotating shaft, a three-pressure oblique pulley block is rotatably arranged on the rotating shaft, and the three-pressure oblique pulley block 8 is in close contact with a steel wire rope; the three-pressure oblique pulley block 8 comprises a first pulley, a flat pressure pulley 13 and an oblique pressure pulley 12, wherein the flat pressure pulley 13 is in a shape of a round roller, and the oblique pressure pulley 12 is in a shape of a cone; the inclined pressing pulley 12 and the tail end of the steel wire rope are located on the same side, and the distance between the steel wire rope at the contact position of the inclined pressing pulley 12 and the tail end of the steel wire rope is just wound around the winding drum 10 for three circles.
The three-pressure oblique pulley block comprises a flat pressure pulley 13 fixedly sleeved on the rotating shaft and oblique pressure pulleys 12 respectively arranged at two ends of the flat pressure pulley 13, the flat pressure pulley 13 is in a round roller shape, and the oblique pressure pulleys 12 are in a conical shape; and a proximity switch 14 is arranged on one side of the flat pressing pulley 13, which is in contact with the steel wire rope, and the proximity switch 14 is electrically connected with a control device.
The over-discharge prevention device comprises a base 2 fixedly arranged on one side of the rotary rack 1, a travel switch 3 arranged on the base 2 and electrically connected with the hydraulic motor, and a three-pressure pull plate 4 fixedly connected with one end of a three-pressure main shaft 7, wherein a three-pressure jackscrew 5 corresponding to the travel switch 3 is fixedly arranged on the inner side of the three-pressure pull plate 4, a three-pressure spring 6 is fixedly arranged on the lower part of the three-pressure pull plate 4, and the other end of the three-pressure spring 6 is fixedly connected with the base 2.
The hydraulic motor control device is characterized by further comprising a control device arranged on the outer side of the rotary rack, the control device is electrically connected with the hydraulic motor, the proximity switch 14, the alarm 11 and the travel switch 3, the proximity switch 14 and the travel switch 3 transmit signals to the control device, when the number of times recorded by the proximity switch 14 is the same as the set number of times, the steel wire rope is lowered to the last circle, and then the hydraulic motor is controlled to stop working when the control device receives the signals sent by the travel switch 3 again, and the alarm 11 is controlled to be started.
The travel switch 3 is D4V-8111Z in model.
The utility model discloses a theory of operation: the rope pressing device enables the steel wire rope to be tightly combined with the winding drum 10, and the three pressing springs 6 tightly press the steel wire rope to be orderly and orderly arranged on the winding drum 10 in a winding process of the steel wire rope, so that the steel wire rope is orderly and orderly arranged; in the process of lowering the steel wire rope, the proximity switch 14 records the contact frequency with the steel wire rope, when the frequency recorded by the proximity switch 14 is consistent with the set frequency, the steel wire rope is positioned at the last layer of the winding drum 10, the travel switch 3 and the alarm 11 are started, when the steel wire rope is lowered to the inclined pressure pulley 12, as the inclined pressure pulley 12 is in a conical shape, under the action of the three-pressure spring, in order to enable the three-pressure inclined pulley block 8 to press the steel wire rope, the rotating shaft moves inwards, so that the three-pressure main shaft 7 is driven to rotate clockwise in a small angle, meanwhile, the three-pressure spring 6 rebounds, the three-pressure pulling plate 4 is driven to rotate around the three-pressure main shaft 7, so that the three-pressure jackscrew 5 is contacted with the travel switch 3, meanwhile, the travel switch 3 transmits a signal to the control device, the control device controls the alarm 11 to alarm to prompt a worker to lower limit for lowering the, guarantee that wire rope no longer continues to transfer when putting to setting for the number of turns, avoid wire rope to destroy, prolong wire rope's life.
The control device, the hydraulic motor, the proximity switch and the travel switch in the above embodiments are all conventional equipment elements, and the arrangement, operation or control manner of the structure is conventional in the field.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The winch comprises a rotary rack, a winding drum arranged on the rotary rack and used for winding a steel wire rope, and a hydraulic motor arranged on the outer side of the rotary rack and used for controlling the rotation of the winding drum, and is characterized by further comprising a rope pressing device arranged on one side of the winding drum and used for pressing the steel wire rope, and an over-discharge prevention device arranged on the outer side wall of the rotary rack;
the rope pressing device comprises a three-pressing main shaft arranged above the winding drum, two ends of the three-pressing main shaft are respectively rotatably connected with two side walls of the revolving rack, two three-pressing side plates are fixedly arranged on the three-pressing main shaft in parallel, the lower ends of the three-pressing side plates are fixedly connected with a rotating shaft, a three-pressing oblique pulley block is rotatably mounted on the rotating shaft, and the three-pressing oblique pulley block is in close contact with the steel wire rope;
the three-pressure oblique pulley block comprises a flat pressure pulley fixedly sleeved on the rotating shaft and oblique pressure pulleys arranged at two ends of the flat pressure pulley respectively, the flat pressure pulley is in a round roller shape, and the oblique pressure pulley is in a conical shape; and a proximity switch is arranged on one side of the flat pressing pulley, which is in contact with the steel wire rope.
2. The winch according to claim 1, wherein said anti-over-discharge device comprises a base fixedly disposed at one side of said revolving frame, a travel switch disposed on said base and electrically connected to said hydraulic motor, a tri-pressure pulling plate fixedly connected to one end of said tri-pressure spindle, a tri-pressure jack screw corresponding to said travel switch fixedly disposed on the inner side of said tri-pressure pulling plate, a tri-pressure spring fixedly disposed on the lower portion of said tri-pressure pulling plate, and the other end of said tri-pressure spring fixedly connected to said base.
3. The winch of claim 1 wherein the distance between the wire rope at the point of contact with the ramp pulley and the end of the wire rope is exactly three turns around the drum.
4. The winch of claim 1 wherein an alarm is provided on said slewing housing.
5. The winch of claim 1, wherein the triple-pressure spindle is located at an intermediate position above the drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013945.1U CN210594999U (en) | 2019-07-02 | 2019-07-02 | Winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013945.1U CN210594999U (en) | 2019-07-02 | 2019-07-02 | Winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210594999U true CN210594999U (en) | 2020-05-22 |
Family
ID=70719388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921013945.1U Active CN210594999U (en) | 2019-07-02 | 2019-07-02 | Winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210594999U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891930A (en) * | 2020-08-05 | 2020-11-06 | 河南斯派特机械设备有限公司 | Spider crane hoist wire rope integrated protection alarm device |
| CN112062016A (en) * | 2020-09-10 | 2020-12-11 | 南京金城液压工程有限公司 | Large-tonnage double-speed hydraulic winch with over-discharge alarm function |
-
2019
- 2019-07-02 CN CN201921013945.1U patent/CN210594999U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891930A (en) * | 2020-08-05 | 2020-11-06 | 河南斯派特机械设备有限公司 | Spider crane hoist wire rope integrated protection alarm device |
| CN111891930B (en) * | 2020-08-05 | 2022-08-19 | 河南斯派特机械设备有限公司 | Spider crane hoist wire rope integrated protection alarm device |
| CN112062016A (en) * | 2020-09-10 | 2020-12-11 | 南京金城液压工程有限公司 | Large-tonnage double-speed hydraulic winch with over-discharge alarm function |
| CN112062016B (en) * | 2020-09-10 | 2022-01-28 | 南京金城液压工程有限公司 | Large-tonnage double-speed hydraulic winch with over-discharge alarm function |
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