CN216272841U - Steel wire rope pre-tightening and winding auxiliary device for tower crane - Google Patents
Steel wire rope pre-tightening and winding auxiliary device for tower crane Download PDFInfo
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- CN216272841U CN216272841U CN202122854596.XU CN202122854596U CN216272841U CN 216272841 U CN216272841 U CN 216272841U CN 202122854596 U CN202122854596 U CN 202122854596U CN 216272841 U CN216272841 U CN 216272841U
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Abstract
The utility model provides a steel wire rope pre-tightening and winding auxiliary device for a tower crane, and belongs to the technical field of tower cranes. A steel wire rope pre-tightening winding auxiliary device for a tower crane comprises a first pre-tightening roller, wherein a plurality of first guide grooves are formed in the circumferential surface of the first pre-tightening roller; the circumferential surface of the second pre-tightening roller is provided with a plurality of second guide grooves; the connecting shaft is in transmission connection with the first pre-tightening roller and the second pre-tightening roller, so that the first pre-tightening roller and the second pre-tightening roller can synchronously rotate in the same direction; the brake wheel is fixedly connected with the connecting shaft; the braking part is abutted with the braking wheel; wherein, the first guide slot and the second guide slot are arranged in a staggered manner.
Description
Technical Field
The utility model belongs to the technical field of tower cranes, and particularly relates to a steel wire rope pre-tightening and winding auxiliary device for a tower crane.
Background
The receipts reel among the hoisting mechanism, when rolling up the rope, with rope one end snap-on the receipts reel, then start hoisting mechanism, the winding reel can be directly around rolling up the rope, but the rope lacks the confining force, makes the rope comparatively lax, leads to hoisting mechanism in the use, and the rope that the winding reel was emitted can be pricked easily when backrush, and the rope is in disorder to be strung, and can not even rolling on the receipts reel.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a steel wire rope pre-tightening and winding auxiliary device for a tower crane, which is provided with a rope pre-tightening device and a spiral winding device, wherein the rope is spirally wound on a winding drum to be shaped, and when the winding drum is wound, the rope can be wound according to an original path.
The purpose of the utility model can be realized by the following technical scheme:
a steel wire rope pre-tightening and winding auxiliary device for a tower crane is characterized by comprising
The first pre-tightening roller is provided with a plurality of first guide grooves on the circumferential surface;
the circumferential surface of the second pre-tightening roller is provided with a plurality of second guide grooves;
the connecting shaft is in transmission connection with the first pre-tightening roller and the second pre-tightening roller, so that the first pre-tightening roller and the second pre-tightening roller can synchronously rotate in the same direction;
the brake wheel is fixedly connected with the connecting shaft; and
the brake piece is abutted with the brake wheel;
the first guide groove and the second guide groove are arranged in a staggered mode.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, all the first guide grooves are arranged at equal intervals, all the second guide grooves are arranged at equal intervals, first convex parts are arranged adjacent to the first guide grooves, and the second guide grooves are aligned to the first convex parts; and a second convex part is arranged adjacent to the second guide groove, and the first guide groove is aligned with the second convex part.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, the sections of the first guide groove and the second guide groove are arc-shaped.
In the steel wire rope pre-tightening winding auxiliary device for the tower crane, the first pre-tightening roller is coaxially fixed with the first gear, the second pre-tightening roller is coaxially fixed with the second gear, the connecting shaft is coaxially fixed with the third gear, and the third gear is simultaneously meshed with the first gear and the second gear.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, the braking part is connected with the adjusting part, and the adjusting part is used for changing the friction force between the braking part and the braking wheel.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, a base is further included;
the movable frame is arranged on the base in a sliding mode; and
the movable frame is connected with the base through the tension sensor;
the first pre-tightening roller, the second pre-tightening roller, the connecting shaft, the brake wheel and the brake piece are all arranged on the movable frame.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, one end of the braking part is fixed on the movable frame, and the other end of the braking part is connected with the movable frame through the adjusting part.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, the adjusting piece is a screw rod, the moving frame is provided with a connecting part, the connecting part is provided with a through hole, the screw rod penetrates into the through hole, and the screw rod is provided with at least one nut which is abutted against the connecting part and is limited.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, the brake part is a brake band, and the brake band is attached to and arranged along the outer ring of the brake wheel.
In the steel wire rope pre-tightening and winding auxiliary device for the tower crane, two guide assemblies for guiding the rope are arranged on the base, and the two guide assemblies are respectively positioned on two sides of the first pre-tightening roller and the second pre-tightening roller; the guide assembly comprises two vertically arranged first guide rollers and two transversely arranged second guide rollers, and guide channels are formed by the two first guide rollers and the two second guide rollers.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the winding drum of the hoisting mechanism is used for winding, so that the winding drum of the hoisting mechanism can bear large resistance when winding and winding the steel wire rope, the steel wire rope can be pre-tightened and tightly wound on the winding drum in advance, the steel wire rope can be shaped after winding, the steel wire rope keeps a spiral state, and even after the steel wire rope is used and recovered, the steel wire rope can be uniformly wound on the winding drum.
2. According to the thickness of the steel wire rope, the resistance of the steel wire rope pulled out from the first pre-tightening roller and the second pre-tightening roller can be increased through the number of turns wound on the first pre-tightening roller and the second pre-tightening roller and through the contact of the braking part and the braking wheel. And the steel wire rope is wound on a winding drum of the hoisting mechanism and is shaped.
Drawings
FIG. 1 is a side view schematic of the present invention.
Fig. 2 is a schematic view of the direction a in fig. 1.
Fig. 3 is a top cross-sectional view of the present invention.
Fig. 4 is a schematic view of the present invention in its operating state.
In the figure, 2, a first pre-tension roller; 21. a first guide groove; 22. a first convex portion; 3. a second pre-tension roller; 31. a second guide groove; 32. a second convex portion; 4. a connecting shaft; 5. a brake wheel; 6. a stopper; 7. a first gear; 8. a second gear; 9. a third gear; 10. an adjustment member; 11. a base; 12. a movable frame; 121. a connecting portion; 13. a tension sensor; 14. a nut; 15. a guide assembly; 151. a first guide roller; 152. a second guide roller; 100. a hoisting mechanism; 101. winding the roll; 200. a traction mechanism; 300. a steel wire rope plate rack; 400. a steel cord.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the steel wire rope pre-tightening winding auxiliary device for the tower crane comprises a first pre-tightening roller 2, a second pre-tightening roller 3, a connecting shaft 4, a brake wheel 5 and a brake part 6, wherein a plurality of first guide grooves 21 are formed in the circumferential surface of the first pre-tightening roller 2; the circumferential surface of the second pre-tightening roller 3 is provided with a plurality of second guide grooves 31; the connecting shaft 4 is in transmission connection with the first pre-tightening roller 2 and the second pre-tightening roller 3, so that the first pre-tightening roller 2 and the second pre-tightening roller 3 can synchronously rotate in the same direction; the brake wheel 5 is fixedly connected with the connecting shaft 4; the braking piece 6 is abutted with the braking wheel 5; the first guide groove 21 and the second guide groove 31 are arranged in a staggered manner.
The utility model is used by matching with a hoisting mechanism 100, a traction mechanism 200 which enables a steel wire rope 400 to be orderly wound on a winding drum 101 of the hoisting mechanism 100 and a steel wire rope disk frame 300 provided with a steel wire rope roller, wherein the hoisting mechanism 100 and the steel wire rope disk frame 300 are respectively arranged at two ends of the auxiliary device, and the traction mechanism 200 is arranged between the hoisting mechanism 100 and the auxiliary mechanism. Hoisting mechanism 100, drive mechanism 200, wire rope plate rail 300 are prior art.
In the utility model, when in use, the steel wire rope 400 on the steel wire rope tray 300 is circularly arranged on the first pre-tightening roller 2 and the second pre-tightening roller 3 for a plurality of times, the steel wire rope 400 is arranged along the first guide groove 21 and the second guide groove 31, then the end part of the steel wire rope 400 is fixed on the winding drum 101 in the hoisting mechanism 100, and the winding drum 101 of the hoisting mechanism 100 is used for winding, so that the winding drum 101 of the hoisting mechanism 100 can bear larger resistance when winding the steel wire rope 400, the steel wire rope 400 can be pre-tightened and tightly wound on the winding drum 101 in advance, the steel wire rope 400 can be shaped after winding, the steel wire rope 400 keeps a spiral state, and even when in use and recovery, the steel wire rope can be uniformly wound on the winding drum 101.
In the present invention, the resistance of the wire rope 400 drawn out from the first pre-tension roller 2 and the second pre-tension roller 3 can be increased by the number of turns wound around the first pre-tension roller 2 and the second pre-tension roller 3 and by the contact of the brake 6 with the brake wheel 5 according to the thickness of the wire rope 400. Preferably, the wire rope 400 is wound around the take-up drum 101 of the hoist 100 and is set.
In the present invention, the first guide groove 21 and the second guide groove 31 enable the wire rope 400 to be wound neatly, and the adjacent wire ropes 400 are not in contact with each other during the process of pulling the wire rope 400. Further, the first guide groove 21 and the second guide groove 31 are both annular grooves.
Specifically, all the first guide grooves 21 are arranged at equal intervals, all the second guide grooves 31 are arranged at equal intervals, the adjacent first guide grooves 21 have the first protrusions 22, and the second guide grooves 31 are aligned with the first protrusions 22; the adjacent second guide groove 31 has a second projection 32, and the first guide groove 21 is aligned with the second projection 32. The design can enable the steel wire rope 400 to be wound on the first pre-tightening roller 2 and the second early warning roller better. Further, the widths of the first and second protrusions 22 and 32 are smaller than the widths of the notches of the first and second guide grooves 21 and 31. Further, the first projection 22 is aligned with the middle position of the second guide groove 31, and the second projection 32 is aligned with the middle position of the first guide groove 21.
Specifically, the first guide groove 21 and the second guide groove 31 have arc-shaped cross sections. The steel wire rope 400 can be better arranged in the first guide groove 21 and the second guide groove 31, and abrasion of the steel wire rope 400 is avoided.
Specifically, a first gear 7 is coaxially fixed on the first pre-tightening roller 2, a second gear 8 is coaxially fixed on the second pre-tightening roller 3, a third gear 9 is coaxially fixed on the connecting shaft 4, and the third gear 9 is meshed with the first gear 7 and the second gear 8 simultaneously. The first gear 7 and the second gear 8 have the same structure, and the first gear 7 and the second gear 8 are synchronously operated through the third gear 9. And the diameter of the third gear 9 is smaller than the diameter of the first gear 7 and the second gear 8, and the brake wheel 5 is arranged on the connecting shaft 4, so that the steel wire rope 400 is pulled out of the first pre-tightening roller 2 and the second pre-tightening roller 3 to provide larger traction force, and the steel wire rope 400 can be wound on the winding drum 101 more easily in a tightening way.
Specifically, the first gear 7 and the second gear 8 are fixed to the first pre-tightening roller 2 and the second pre-tightening roller 3, respectively, by bolts. Because at the in-process of traction rope, can receive very big traction force, through the synchronous drive of first gear 7, second gear 8, third gear 9, the condition that can take place wearing and tearing is inevitable, can conveniently follow after first gear 7, second gear 8 damage and trade by this design assurance.
Specifically, an adjuster 10 is connected to the brake member 6, and the adjuster 10 is used to change the frictional force between the brake member 6 and the brake wheel 5. The friction between the braking member 6 and the braking wheel 5 can be controlled by the adjusting member 10, thereby increasing the traction force required for pulling the wire rope 400 from the first pre-tension roller 2 and the second pre-tension roller 3. The wire rope 400 is more easily wound around the take-up drum 101.
Specifically, the device further comprises a base 11, a movable frame 12 and a tension sensor 13, wherein the movable frame 12 is arranged on the base 11 in a sliding manner; the movable frame 12 is connected with the base 11 through a tension sensor 13; wherein, first pretension roller 2, second pretension roller 3, connecting axle 4, braked wheel 5, braking piece 6 all set up on removing frame 12. When drawing wire rope 400 and pulling out from first pretension roller 2, second pretension roller 3, holistic removal frame 12 can receive the pulling force, through force sensor 13 can make the size of pulling force this moment when detecting, avoids wire rope 400 to wind at first pretension roller 2, the second pretension roller 3's the number of turns too much, leads to required pulling force too big, influences wire rope 400 around rolling up the design. Specifically, the first pre-tightening roller 2, the second pre-tightening roller 3 and the connecting shaft 4 are rotatably connected to the moving frame 12.
Specifically, one end of the braking member 6 is fixed on the moving frame 12, and the other end of the braking member 6 is connected to the moving frame 12 through the adjusting member 10. The friction force of the brake member 6 in contact with the brake wheel 5 can be controlled by adjusting the adjusting member 10. Simple structure and convenient adjustment.
Specifically, regulating part 10 is the screw rod, is equipped with connecting portion 121 on the removal frame 12, and connecting portion 121 is equipped with the through-hole, and the screw rod penetrates the through-hole, sets up at least one nut 14 on the screw rod and supports with connecting portion 121 and lean on and carry out spacing. The friction between the brake member 6 and the brake wheel 5 can be controlled by adjusting the position of the nut 14 on the screw. The adjustment is convenient.
Specifically, the braking member 6 is a braking band, and the braking band is attached along the outer ring of the braking wheel 5. Brake bands are prior art. This arrangement can improve more frictional force.
Specifically, two guide assemblies 15 for guiding the ropes are arranged on the base 11, and the two guide assemblies 15 are respectively positioned on two sides of the first pre-tightening roller 2 and the second pre-tightening roller 3; the guide assembly 15 includes two vertically disposed first guide rollers 151 and two laterally disposed second guide rollers 152, and the two first guide rollers 151 and the two second guide rollers 152 form a guide passage. Through the guide assembly 15, the wire rope 400 can be stably input to the first pre-tightening roller 2 and the second pre-tightening roller 3 or output from the first pre-tightening roller 2 and the second pre-tightening roller 3. The wire rope 400 wound around the first pre-tension roller 2 and the second pre-tension roller 3 is not disturbed.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Also, the meaning of "and/or" appearing throughout is to include three versions, exemplified by "A and/or B" including either version A, or version B, or versions in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (7)
1. A steel wire rope pre-tightening and winding auxiliary device for a tower crane is characterized by comprising
The device comprises a first pre-tightening roller (2), wherein a plurality of first guide grooves (21) are formed in the circumferential surface of the first pre-tightening roller (2);
the circumferential surface of the second pre-tightening roller (3) is provided with a plurality of second guide grooves (31);
the connecting shaft (4) is in transmission connection with the first pre-tightening roller (2) and the second pre-tightening roller (3), so that the first pre-tightening roller (2) and the second pre-tightening roller (3) can synchronously rotate in the same direction;
the brake wheel (5), the said brake wheel (5) is fixedly connected with said connecting axle (4); and
the braking piece (6), the braking piece (6) is abutted with the braking wheel (5);
wherein the first guide groove (21) and the second guide groove (31) are arranged in a staggered manner.
2. The pre-tightening and winding auxiliary device for the steel wire rope for the tower crane according to claim 1, wherein all the first guide grooves (21) are arranged at equal intervals, all the second guide grooves (31) are arranged at equal intervals, a first convex portion (22) is arranged adjacent to the first guide groove (21), and the second guide grooves (31) are aligned with the first convex portion (22); a second projection (32) is provided adjacent to the second guide groove (31), and the first guide groove (21) is aligned with the second projection (32).
3. The pre-tightening and winding auxiliary device for the steel wire rope for the tower crane according to claim 2, wherein the first guide groove (21) and the second guide groove (31) are arc-shaped in cross section.
4. The auxiliary device for pre-tightening and winding the steel wire rope for the tower crane according to claim 1, wherein a first gear (7) is coaxially fixed on the first pre-tightening roller (2), a second gear (8) is coaxially fixed on the second pre-tightening roller (3), a third gear (9) is coaxially fixed on the connecting shaft (4), and the third gear (9) is simultaneously meshed with the first gear (7) and the second gear (8).
5. The pre-tightening auxiliary winding device for the steel wire rope for the tower crane according to claim 1, wherein an adjusting member (10) is connected to the braking member (6), and the adjusting member (10) is used for changing the friction force between the braking member (6) and the braking wheel (5).
6. The auxiliary device for pre-tightening and winding of the steel wire rope for the tower crane according to claim 5, further comprising
A base (11);
the moving frame (12), the moving frame (12) is arranged on the base (11) in a sliding mode; and
the tension sensor (13), the moving frame (12) is connected with the base (11) through the tension sensor (13);
the first pre-tightening roller (2), the second pre-tightening roller (3), the connecting shaft (4), the brake wheel (5) and the brake piece (6) are arranged on the moving frame (12).
7. The pre-tightening and winding auxiliary device for the steel wire rope for the tower crane according to claim 6, wherein one end of the braking part (6) is fixed on the movable frame (12), and the other end of the braking part (6) is connected with the movable frame (12) through the adjusting part (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854596.XU CN216272841U (en) | 2021-11-19 | 2021-11-19 | Steel wire rope pre-tightening and winding auxiliary device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854596.XU CN216272841U (en) | 2021-11-19 | 2021-11-19 | Steel wire rope pre-tightening and winding auxiliary device for tower crane |
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| Publication Number | Publication Date |
|---|---|
| CN216272841U true CN216272841U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122854596.XU Active CN216272841U (en) | 2021-11-19 | 2021-11-19 | Steel wire rope pre-tightening and winding auxiliary device for tower crane |
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| CN (1) | CN216272841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132858A (en) * | 2021-11-19 | 2022-03-04 | 海宁虎霸重工有限公司 | Steel wire rope pre-tightening and winding auxiliary device for tower crane |
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2021
- 2021-11-19 CN CN202122854596.XU patent/CN216272841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132858A (en) * | 2021-11-19 | 2022-03-04 | 海宁虎霸重工有限公司 | Steel wire rope pre-tightening and winding auxiliary device for tower crane |
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