CN213085317U - Steel rope tensioning system for hoisting device - Google Patents
Steel rope tensioning system for hoisting device Download PDFInfo
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- CN213085317U CN213085317U CN202021024491.0U CN202021024491U CN213085317U CN 213085317 U CN213085317 U CN 213085317U CN 202021024491 U CN202021024491 U CN 202021024491U CN 213085317 U CN213085317 U CN 213085317U
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Abstract
The utility model discloses a steel cable tensioning system for hoisting apparatus relates to tensioning system technical field. The technical key points are as follows: the machine comprises a frame, the frame bottom is equipped with power unit, be connected with traction steel cable and hoisting steel cable on the power unit, traction steel cable's one end has concatenated straining device in proper order, guiding mechanism and traction trolley, hoisting steel cable one end has concatenated guiding mechanism in proper order, traction trolley and lifting hook claw, traction steel cable is including the first haulage rope and the second haulage rope that are located the frame both sides respectively, straining device is including locating first tensioning wheelset and the second tensioning wheelset that frame both sides inner wall symmetry set up respectively, be equipped with between first tensioning wheelset and the second tensioning wheelset and order about the tensioning piece that first haulage rope and second haulage rope are close to mutually. The utility model has the advantages of can remain wire rope throughout and be in the tensioning state, improve the accuracy of tow car shift position.
Description
Technical Field
The utility model relates to a tensioning system technical field, more specifically say, it relates to a steel cable tensioning system for hoisting apparatus.
Background
The traction mechanism of the luffing trolley of the crane moves back and forth on the main arm support of the crane, so that the lifted heavy object is delivered to a place required by the specified work. The trolley moves back and forth on the main arm support under the action of the traction force of the steel wire rope, the traction power of the steel wire rope comes from a winding drum which is fixed at the root part of the main arm support and is driven by a motor, the driving force is large, the trolley is suitable for a tower crane with large load, and the load of the main arm support is relatively small. However, when the amplitude-variable steel wire rope is loosened and the adjustment is inconvenient in the tensioning process, the steel wire rope is often in a loosening state when the traction mechanism drives the steel wire rope to run, so that the moving position is inaccurate or safety accidents occur.
Chinese utility model patent that bulletin number is CN205873753U discloses a monkey drive tensioning system, it includes the base, the drive wheel reel, first take-up pulley, the second take-up pulley, from driving wheel and wire rope, the drive wheel reel with from driving wheel fixed mounting on the base, first take-up pulley and second take-up pulley symmetry are installed on the both sides board of base, be equipped with respectively on the board of both sides and supply first take-up pulley and second take-up pulley to remove the axle rail, the axle head of first take-up pulley and second take-up pulley is connected with the driver plate respectively, the driver plate links to each other with the one end of tensioning screw rod, the other end of tensioning screw rod links to each other with the hand wheel, wire rope passes first take-up pulley respectively, the drive wheel reel.
The above prior art solution has the following drawbacks: after the steel wire rope is loosened, the first tensioning wheel and the second tensioning wheel are manually adjusted through the hand wheel, so that the first tensioning wheel and the second tensioning wheel move in the direction away from the center of the driven wheel to tension the steel wire rope; however, in the operation process, if the worker finds that the adjustment is not timely, the loose steel wire rope is not effectively adjusted, and the moving position of the trolley is not accurate enough or safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a steel cable tensioning system for hoisting apparatus need not manually to wire rope adjust make it reach the tensioning state, and it has the advantage that can keep wire rope in the tensioning state throughout, improves the accuracy of shift position.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a steel cable tensioning system for hoisting device, includes the frame, its characterized in that, the frame bottom is equipped with power unit, be connected with traction steel cable and hoisting steel cable on the power unit, tensioning mechanism, guiding mechanism and traction trolley have concatenated in proper order to traction steel cable's one end, hoisting steel cable one end has concatenated in proper order guiding mechanism the traction trolley with lift and collude the claw, traction steel cable is including being located respectively the first haulage rope and the second haulage rope of frame both sides, tensioning mechanism is including locating respectively first take-up pulley group and the second take-up pulley group that frame both sides inner wall symmetry set up, first take-up pulley group with be equipped with between the second take-up pulley group and order about first haulage rope with the tensioning piece that the second haulage rope is close to mutually.
Through adopting above-mentioned technical scheme, establish the both sides in the frame with traction steel cable branch through guiding mechanism and straining device, be convenient for remove the traction trolley, and relatively more even in the hand to the frame both sides, order about first haulage rope and the second haulage rope relative motion between first tensioning wheelset and the second tensioning wheel group through the tensioning piece, thereby the realization is stretched first haulage rope and second haulage rope, make first haulage rope and second haulage rope be in the tensioning state always, when the traction trolley is removing about, make first haulage rope and second haulage rope also can be in the tensioning state always, make traction trolley shift position more accurate.
The utility model discloses further set up to: the power mechanism comprises a traction winding drum and a hoisting winding drum which are arranged at the bottom of the rack, driving motors are respectively arranged on one sides of the traction winding drum and one side of the hoisting winding drum, the first traction rope and the second traction rope are respectively wound from two sides of the traction winding drum to the center, the winding directions of the first traction rope and the second traction rope are opposite, and the hoisting steel rope is wound on the hoisting winding drum.
By adopting the technical scheme, the traction drum is driven to rotate through the rotation of the motor, so that the traction steel rope is wound, when the traction drum rotates towards different directions, the traction drum can wind and pay off the first traction rope and the second traction rope, and when the first traction rope is wound, the second traction rope is paid off; when the first traction rope is paid off, the second traction rope is wound, so that the traction trolley is moved; the hoisting drum is driven to rotate by the driving motor, so that the hoisting steel rope is wound and paid off, and the lifting of the hoisting hook claw is realized.
The utility model discloses further set up to: the hoisting steel rope comprises a first hoisting rope and a second hoisting rope which are respectively arranged on two sides of the rack, the first hoisting rope and the second hoisting rope are respectively wound towards the center from two sides of the hoisting drum, and the winding directions of the first hoisting rope and the second hoisting rope are the same.
Through adopting above-mentioned technical scheme, through setting up first jack-up rope and second jack-up rope respectively in the both sides of frame, when carrying out the jack-up to heavy object for the atress at frame both ends is even, prevents to lead to the frame to damage because the atress is uneven.
The utility model discloses further set up to: the tensioning piece comprises pulleys symmetrically arranged on the first traction rope and the second traction rope, and a tension spring for driving the pulleys to move relatively is arranged between the two pulleys.
Through adopting above-mentioned technical scheme, order about two pulleys through tension spring and move in opposite directions, realize drawing first haulage rope and second haulage rope, realize the tensioning to first haulage rope and second haulage rope.
The utility model discloses further set up to: the two pulleys are respectively connected with sleeves at two ends of the tension spring, a telescopic rod penetrates through the middle of the tension spring, and two ends of the telescopic rod respectively extend into the sleeves and are in sliding connection with the sleeves.
Through adopting above-mentioned technical scheme for tension spring is in the level to the pulling force of pulley always, has effectively guaranteed the tensioning effect to first haulage rope and second haulage rope, prevents tension spring middle part because the action of gravity is crooked downwards, thereby influences the tensile effect to first haulage rope and second haulage rope.
The utility model discloses further set up to: the guide mechanism comprises a plurality of guide wheels arranged at the top of the rack.
Through adopting above-mentioned technical scheme, can effectually lead the traction to traction cable and jack-up steel cable through the wire wheel that sets up to supplementary tensioning texture is to traction cable and jack-up steel cable take-up.
The utility model discloses further set up to: the traction trolley is connected with the top of the rack in a sliding mode, and one ends, far away from the traction drum, of the first traction ropes and the second traction ropes penetrate through the guide wheels and then are fixedly connected with the corresponding two sides of the traction trolley respectively.
Through adopting above-mentioned technical scheme for the tow car is convenient to move on the frame, and when the dolly removed, can guarantee all the time that first haulage rope and second haulage rope are in the tensioning state.
The utility model discloses further set up to: and a plurality of rope grooves are formed in the traction winding drum and the hoisting winding drum.
By adopting the technical scheme, the traction steel rope and the hoisting steel rope can be conveniently wound on the traction winding drum and the hoisting winding drum.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the traction steel rope and the hoisting steel rope are powered by the power mechanism, and the first traction rope and the second traction rope are driven to be close to each other by the tensioning piece through the tensioning mechanism, so that the traction steel rope is tensioned, the strong and hard steel rope is always kept in a tensioned state, and the traction trolley moves more accurately;
(2) the sliding sleeves are connected with the telescopic rod in a sliding mode, and the tension spring is sleeved on the telescopic rod and fixed with the sliding sleeves on the two sides, so that the tension of the tension spring on the pulley is always horizontal, and the tensioning effect on the first traction rope and the second traction rope is effectively guaranteed;
(3) by arranging the guide mechanism, the traction steel rope and the hoisting steel rope can be effectively guided and dragged to prevent winding through the guide wire wheel, so that the auxiliary tensioning structure can tension the traction steel rope and the hoisting steel rope; the rope grooves are formed in the traction winding drum and the hoisting winding drum, so that the traction steel rope and the hoisting steel rope can be wound on the traction winding drum and the hoisting winding drum conveniently.
Drawings
FIG. 1 is a schematic view of a cable tensioning system for a lifting device;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
figure 3 is a cross-sectional view of a portion of the tension member of an embodiment.
Reference numerals: 1. a frame; 2. a power mechanism; 3. a traction steel rope; 4. a hoisting steel rope; 5. a tensioning mechanism; 6. a guide mechanism; 7. a tractor; 8. lifting the hook claw; 9. a guide wheel; 10. rope grooves; 31. a first pull cord; 32. a second pull cord; 51. a first tensioning wheel set; 52. a second tensioning wheel set; 53. a tensioning member; 21. a traction drum; 22. a hoisting drum; 23. a drive motor; 41. a first lift line; 42. a second hoisting rope; 531. a pulley; 532. a tension spring; 533. a sleeve; 534. a telescopic rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a steel cable tensioning system for hoisting device, which comprises a frame 1, frame 1 bottom is provided with power unit 2, be connected with traction steel cable 3 and jack-up steel cable 4 on power unit 2, power unit 2 is including setting up traction drum 21 and the jack-up reel 22 in frame 1 bottom, traction drum 21 is connected with driving motor 23 respectively with jack-up reel 22 one side, first haulage rope 31 and second haulage rope 32 are respectively from the both sides of traction drum 21 to the center winding, and the winding opposite direction of first haulage rope 31 and second haulage rope 32, jack-up steel cable 4 twines on jack-up reel 22.
Referring to fig. 1, one end of a traction steel rope 3 is sequentially connected with a tensioning mechanism 5, a guide mechanism 6 and a traction trolley 7 in series, one end of a hoisting steel rope 4 is sequentially connected with a guide mechanism 6, a traction trolley 7 and a lifting hook claw 8 in series, the traction steel rope 3 comprises a first traction rope 31 and a second traction rope 32 which are respectively positioned at two sides of a rack 1, the tensioning mechanism 5 comprises a first tensioning wheel set 51 and a second tensioning wheel set 52 which are respectively welded on inner walls at two sides of the rack 1 and symmetrically arranged, and the first tensioning wheel set 51 and the second tensioning wheel set 52 respectively comprise two fixed pulleys 531 which are arranged along a vertical direction.
Referring to fig. 1 and 3, a tensioning member 53 for driving the first traction rope 31 and the second traction rope 32 to approach each other is arranged between the first tensioning wheel set 51 and the second tensioning wheel set 52, the tensioning member 53 includes two pulleys 531 symmetrically arranged on the first traction rope 31 and the second traction rope 32, a tension spring 532 for driving the two pulleys to move relatively is arranged between the two pulleys 531, the two pulleys 531 are respectively connected with two ends of the tension spring 532, a telescopic rod 534 is penetrated in the middle of the tension spring 532, two ends of the telescopic rod 534 respectively extend into the sleeve 533 and are slidably connected with the sleeve 533, and the middle of the tension spring 532 is prevented from bending downwards due to the action of gravity, so that the stretching effect on the first traction rope 31 and the second traction rope 32 is influenced.
Referring to fig. 1 and 2, the hoisting cable 4 includes a first hoisting rope 41 and a second hoisting rope 42 respectively disposed at two sides of the frame 1, the first hoisting rope 41 and the second hoisting rope 42 are respectively wound from two sides of the hoisting drum 22 to the center, and the winding directions of the first hoisting rope 41 and the second hoisting rope 42 are the same, so that when the hoisting drum 22 rotates, the first hoisting rope 41 and the second hoisting rope 42 can be conveniently driven to be wound on the hoisting drum 22 at the same time.
Referring to fig. 1, the guide mechanism 6 includes a plurality of guide wheels 9 disposed at the top of the frame 1, and guides and pulls the traction cable 3 and the hoist cable 4, so that the auxiliary tensioning mechanism 5 tensions the traction cable 3 and the hoist cable 4; the traction trolley 7 is connected with the top of the frame 1 in a sliding mode, one ends, far away from the traction drum 21, of the first traction ropes 31 and the second traction ropes 32 penetrate through the guide wheels 9 and then are fixedly connected with the two corresponding sides of the traction trolley 7 respectively, and when the trolley moves, the first traction ropes 31 and the second traction ropes 32 can be always kept in a tensioning state.
Referring to fig. 2, a plurality of rope grooves 10 are formed on both the traction drum 21 and the hoist drum 22, so that the traction cable 3 and the hoist cable 4 can be wound on the traction drum 21 and the hoist drum 22 conveniently.
The implementation principle of the embodiment is as follows: one ends of the first lifting rope 41 and the second lifting rope 42 are fixed on the lifting winding drum 22, the winding directions of the first lifting rope 41 and the second lifting rope 42 are the same, the other ends of the first lifting rope 41 and the second lifting rope 42 are connected to the lifting hook claw 8, the first lifting rope 41 and the second lifting rope 42 are tensioned and wound through the tensioning mechanism 5 and the guide mechanism 6, when the lifting hook claw 8 needs to be lifted, the driving motor 23 is started to drive the lifting winding drum 22 to rotate, the first lifting rope 41 and the second lifting rope 42 are wound or paid off at the same time, and lifting of the lifting hook claw 8 is achieved.
One end of a first traction rope 31 and one end of a second traction rope 32 are fixed on the traction drum 21, the winding directions are opposite, the other ends of the first traction rope 31 and the second traction rope 32 are fixed on the two corresponding sides of the traction trolley 7, the middle of the first traction rope 31 and the second traction rope 32 are tensioned and wound through a tensioning mechanism 5 and a guide mechanism 6, when the traction trolley 7 needs to be moved to enable the lifting hook claw 8 to move to the corresponding position, a driving motor 23 is started to drive the traction drum 21 to rotate, and when the first traction rope 31 is wound, the second traction rope 32 is wound; when the first traction rope 31 is paid off, the second traction rope 32 is wound, so that the traction trolley 7 is moved; the first traction rope 31 and the second traction rope 32 are always kept at a mutually close tension through the tension spring 532, so that the first traction rope 31 and the second traction rope 32 are always kept in a tensioning state in the moving process of the traction trolley 7, and the accuracy of the moving position of the traction trolley 7 is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A steel rope tensioning system for a hoisting device comprises a rack (1) and is characterized in that a power mechanism (2) is arranged at the bottom of the rack (1), the power mechanism (2) is connected with a traction steel rope (3) and a hoisting steel rope (4), one end of the traction steel rope (3) is sequentially connected with a tensioning mechanism (5), a guide mechanism (6) and a traction trolley (7) in series, one end of the hoisting steel rope (4) is sequentially connected with the guide mechanism (6), the traction trolley (7) and a hoisting hook claw (8) in series, the traction steel rope (3) comprises a first traction rope (31) and a second traction rope (32) which are respectively positioned at two sides of the rack (1), the tensioning mechanism (5) comprises a first tensioning wheel set (51) and a second tensioning wheel set (52) which are respectively and symmetrically arranged on the inner walls at two sides of the rack (1), a tensioning piece (53) for driving the first traction rope (31) and the second traction rope (32) to be close is arranged between the first tensioning wheel set (51) and the second tensioning wheel set (52).
2. A steel rope tensioning system for a hoisting device according to claim 1, wherein the power mechanism (2) comprises a traction drum (21) and a hoisting drum (22) arranged at the bottom of the frame (1), one side of the traction drum (21) and one side of the hoisting drum (22) are respectively provided with a driving motor (23), the first traction rope (31) and the second traction rope (32) are respectively wound from two sides of the traction drum (21) to the center, the winding directions of the first traction rope (31) and the second traction rope (32) are opposite, and the hoisting steel rope (4) is wound on the hoisting drum (22).
3. A steel rope tensioning system for hoisting device according to claim 2, wherein said hoisting steel rope (4) comprises a first hoisting rope (41) and a second hoisting rope (42) respectively disposed at both sides of said frame (1), said first hoisting rope (41) and said second hoisting rope (42) are respectively wound from both sides to the center of said hoisting drum (22), and the winding directions of said first hoisting rope (41) and said second hoisting rope (42) are the same.
4. A rope tensioning system for a hoisting device as claimed in claim 3, wherein said tensioning member (53) comprises two pulleys (531) symmetrically disposed on said first traction rope (31) and said second traction rope (32), and a tension spring (532) for urging said pulleys (531) to move relatively is disposed between said pulleys.
5. A steel rope tensioning system for a hoisting device according to claim 4, wherein two of said pulleys (531) are respectively connected with two ends of said tension spring (532) with sleeves (533), a telescopic rod (534) is inserted in the middle of said tension spring (532), and two ends of said telescopic rod (534) respectively extend into said sleeves (533) to be slidably connected therewith.
6. A rope tensioning system for a hoisting device as claimed in claim 5, wherein said guide means (6) comprises a plurality of guide wheels (9) mounted on the top of said frame (1).
7. A steel rope tensioning system for a hoisting device according to claim 6, wherein the traction trolley (7) is slidably connected with the top of the frame (1), and the ends of the first traction rope (31) and the second traction rope (32) far away from the traction drum (21) are respectively fixedly connected with the two corresponding sides of the traction trolley (7) after passing through the guide wheel (9).
8. A steel rope tensioning system for hoisting device as claimed in claim 7, characterized in that said traction drum (21) and hoisting drum (22) are provided with a plurality of rope grooves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024491.0U CN213085317U (en) | 2020-06-05 | 2020-06-05 | Steel rope tensioning system for hoisting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024491.0U CN213085317U (en) | 2020-06-05 | 2020-06-05 | Steel rope tensioning system for hoisting device |
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| CN213085317U true CN213085317U (en) | 2021-04-30 |
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| CN202021024491.0U Active CN213085317U (en) | 2020-06-05 | 2020-06-05 | Steel rope tensioning system for hoisting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772571A (en) * | 2021-09-14 | 2021-12-10 | 南京北路智控科技股份有限公司 | Steel wire rope traction device |
| CN114233137A (en) * | 2021-12-06 | 2022-03-25 | 北京卫星制造厂有限公司 | Double-layer linkage closed-loop rope system installation method |
| CN115744383A (en) * | 2022-08-29 | 2023-03-07 | 华电蓝科科技股份有限公司 | Trolley system and ship unloader |
-
2020
- 2020-06-05 CN CN202021024491.0U patent/CN213085317U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772571A (en) * | 2021-09-14 | 2021-12-10 | 南京北路智控科技股份有限公司 | Steel wire rope traction device |
| CN114233137A (en) * | 2021-12-06 | 2022-03-25 | 北京卫星制造厂有限公司 | Double-layer linkage closed-loop rope system installation method |
| CN115744383A (en) * | 2022-08-29 | 2023-03-07 | 华电蓝科科技股份有限公司 | Trolley system and ship unloader |
| CN115744383B (en) * | 2022-08-29 | 2024-05-24 | 华电蓝科科技股份有限公司 | Trolley system and ship unloader |
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