CN219449155U - Steel wire rope pre-tightening mechanism - Google Patents
Steel wire rope pre-tightening mechanism Download PDFInfo
- Publication number
- CN219449155U CN219449155U CN202320007026.3U CN202320007026U CN219449155U CN 219449155 U CN219449155 U CN 219449155U CN 202320007026 U CN202320007026 U CN 202320007026U CN 219449155 U CN219449155 U CN 219449155U
- Authority
- CN
- China
- Prior art keywords
- wire rope
- wheel set
- steel wire
- magnetoelectric
- wheelset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The utility model provides a steel wire rope pre-tightening mechanism, which belongs to the field of steel wire rope equipment of a hoisting mechanism of a tower crane and comprises a steel wire rope roller to be coiled, an elastic braking mechanism, a magnetoelectric wheel set, an electromagnetic wheel set, a guide wheel set, a hoisting mechanism and a steel wire rope, wherein the steel wire rope roller to be coiled is respectively connected with the elastic braking mechanism and the magnetoelectric wheel set, the electromagnetic wheel set is respectively connected with the magnetoelectric wheel set and the guide wheel set, the guide wheel set is connected with the hoisting mechanism, one end of the steel wire rope is fixedly wound on the steel wire rope roller to be coiled, the other end of the steel wire rope is sequentially wound on the magnetoelectric wheel set, the electromagnetic wheel set, the guide wheel set and the hoisting mechanism, and the other end of the steel wire rope is fixedly wound on the hoisting mechanism. The steel wire rope pre-tightening mechanism converts mechanical friction type damping into non-contact type damping, provides pre-tightening force in a non-contact mode instead of the traditional mechanical friction mode, and has no wearing parts and no noise pollution; potential energy conversion is realized through the generator, so that energy loss is reduced.
Description
Technical Field
The utility model relates to the field of steel wire rope equipment of a hoisting mechanism of a tower crane, in particular to a steel wire rope pre-tightening mechanism.
Background
The hoisting mechanism in the crane is an important part of the crane, when the hoisting mechanism of the tower crane winds the steel wire rope onto the winding drum, certain pretightening force is needed to be provided for the steel wire rope, so that the steel wire rope is ensured to be wound neatly and tightly, otherwise, the steel wire rope is easy to generate disorder ropes to form interlayer crossing, and the service life of the steel wire rope is reduced by flattening the steel wire rope. The steel wire rope pre-tightening can greatly improve the winding quality of the steel wire rope, reduce the abrasion among the steel wire ropes, prevent bad phenomena such as flashing, rope skipping and the like, and finally prolong the service life of the steel wire rope. The prior art special CN102040173A proposes a mode of clamping a friction disc by adopting two groups of pulleys, a force measuring device and a hydraulic driving brake caliper, and the defects of the pretightening force mode are as follows:
1. clamping the friction disc with the caliper can cause severe heat generation;
2. the linear speed cannot be too high, and noise pollution is easy to generate;
3. the brake disc wears fast and is easy to lose efficacy.
Disclosure of Invention
The utility model aims to provide a steel wire rope pre-tightening mechanism which solves the technical problems in the background art. The utility model provides pretightening force in a non-contact mode instead of the existing mechanical friction mode, has no wearing parts and noise pollution, realizes potential energy conversion and use through the generator, and reduces energy loss.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a wire rope pretension mechanism, including waiting to roll up wire rope cylinder, elasticity brake mechanism, magnetoelectric wheelset, electromagnetism wheelset, direction wheelset, hoisting mechanism and wire rope, wait to roll up wire rope cylinder and be connected with elasticity brake mechanism and magnetoelectric wheelset respectively, the electromagnetism wheelset is connected with magnetoelectric wheelset and direction wheelset respectively, the direction wheelset is connected with hoisting mechanism, the fixed winding of wire rope's one end is on waiting to roll up wire rope cylinder, the other end of wire rope winds in proper order on magnetoelectric wheelset, electromagnetism wheelset, direction wheelset and hoisting mechanism, and the fixed winding of wire rope's the other end is on hoisting mechanism.
Further, the wire rope cylinder of waiting to roll is connected with magnetoelectric wheel group through wire rope, and the inside of waiting to roll wire rope cylinder is fixedly provided with the axis of rotation, and the both ends of axis of rotation set up respectively on unreeling support, and the axis of rotation sets up to rotatable on unreeling support, and the one end and the elasticity brake mechanism fixed connection of axis of rotation.
Further, the elastic braking mechanism is fixedly arranged on the unreeling support, and the elastic braking mechanism is provided with a spring and a motor.
Further, the magnetoelectric wheel group is arranged on the wheel group frame, one end of the magnetoelectric wheel group is fixedly connected with a generator, and a speed reducer is arranged between the magnetoelectric wheel group and the generator.
Further, the low-speed end of the speed reducer is connected with the magnetoelectric wheel group, and the high-speed end of the speed reducer is connected with the generator.
Further, the electromagnetic wheel set is arranged on the wheel set frame, the electromagnetic wheel set is connected with the electromagnetic wheel set through a steel wire rope, one end of the electromagnetic wheel set is fixedly connected with an iron wheel, an electromagnet is arranged above the iron wheel and is fixedly connected on the wheel set frame, and the electromagnet is connected with the generator through a coil.
Further, the guide wheel set is arranged on the wheel set frame, the guide wheel set comprises a first guide wheel set and a second guide wheel set, the first guide wheel set is connected with the electromagnetic wheel set and the second guide wheel set respectively through steel wires, the second guide wheel set is connected with the lifting mechanism through the steel wires, and the lifting mechanism is fixedly arranged on the winding support.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. the electromagnetic wheel set is connected with the generator, the electromagnetic wheel set is connected with the electromagnet, the current generated by the generator supplies power to the electromagnet, and according to an electromagnetic principle, when the electromagnet is electrified, the electromagnetic wheel set can be subjected to a magnetic coupling rotating reversely, so that the effect of damping the wheel set is achieved, and the effect of pre-tightening the steel wire rope is realized; the spring on the elastic brake mechanism is adjusted to enable the steel wire rope roller to have damping effect, and the steel wire rope roller has a stop-and-go function during working.
2. The steel wire rope pre-tightening mechanism converts mechanical friction type damping into non-contact type damping, provides pre-tightening force in a non-contact mode instead of the traditional mechanical friction mode, and has no wearing parts and no noise pollution; potential energy conversion is realized through the generator, so that energy loss is reduced.
Drawings
FIG. 1 is a schematic diagram of the wire rope pretensioning mechanism of the present utility model;
FIG. 2 is a schematic diagram of the structure of the magnetic wheel set, the magnetic wheel set and the guide wheel set of the present utility model.
In the drawing, a 1-unreeling support, a 2-steel wire rope roller to be reeled, a 3-elastic brake mechanism, a 4-magnetoelectric wheel set, a 5-speed reducer, a 6-generator, a 7-electromagnetic wheel set, an 8-electromagnet, a 9-guiding wheel set, a 10-lifting mechanism, a 11-steel wire rope, a 12-rotating shaft, a 13-spring, a 14-first guiding wheel set, a 15-second guiding wheel set, a 16-motor, a 17-iron wheel, a 18-wheel set frame, a 19-coil and a 20-reeling support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.
As shown in fig. 1-2, a steel wire rope pre-tightening mechanism comprises a steel wire rope roller 2 to be coiled, an elastic braking mechanism 3, a magnetoelectric wheel set 4, an electromagnetic wheel set 7, a guide wheel set 9, a lifting mechanism 10 and a steel wire rope 11, wherein the steel wire rope roller 2 to be coiled is respectively connected with the elastic braking mechanism 3 and the magnetoelectric wheel set 4, the electromagnetic wheel set 7 is respectively connected with the magnetoelectric wheel set 4 and the guide wheel set 9, the guide wheel set 9 is connected with the lifting mechanism 10, one end of the steel wire rope 11 is fixedly wound on the steel wire rope roller 2 to be coiled, the other end of the steel wire rope 11 is sequentially wound on the magnetoelectric wheel set 4, the electromagnetic wheel set 7, the guide wheel set 9 and the lifting mechanism 10, and the other end of the steel wire rope 11 is fixedly wound on the lifting mechanism 10. The steel wire rope pre-tightening mechanism converts mechanical friction type damping into non-contact type damping, provides pre-tightening force in a non-contact mode instead of the traditional mechanical friction mode, and has no wearing parts and no noise pollution; the potential energy conversion is realized through the generator 6, so that the energy loss is reduced.
As shown in fig. 1, the wire rope roller 2 to be coiled is connected with the magnetoelectric wheel set 4 through the wire rope 11, a rotating shaft 12 is fixedly arranged in the wire rope roller 2 to be coiled, two ends of the rotating shaft 12 are respectively arranged on the unreeling support 1, the rotating shaft 12 is rotatably arranged on the unreeling support 1, during operation, the rotating shaft 12 rotates together with the wire rope roller 2 to be coiled, one end of the rotating shaft 12 is fixedly connected with the elastic braking mechanism 3, and the elastic braking mechanism 3 rotates together with the rotating shaft 12. The elastic braking mechanism 3 is fixedly arranged on the unreeling support 1, a spring 13 and a motor 16 are arranged on the elastic braking mechanism 3, and when the rotating shaft 12 does not need braking force, the elastic braking mechanism 3 needs to be opened by the pushing force of the motor 16. The rotation shaft 12 passes through the center of the steel wire rope roller 2 to be coiled, and the steel wire rope roller 2 to be coiled is arranged on the unreeling support 1, the unreeling support is used for supporting the steel wire rope roller 2 to be coiled and the elastic braking mechanism 3, the rotation shaft 12 is fixedly connected with the elastic braking mechanism 3, the spring 13 on the elastic braking mechanism 3 is adjusted, the steel wire rope roller 2 to be coiled has a rolling damping function, and when the lifting mechanism 10 stops, the steel wire rope roller 2 to be coiled has a stop-and-go function.
As shown in fig. 2, the magnetoelectric wheel set 4 is arranged on the wheel set frame 18, one end of the magnetoelectric wheel set 4 is fixedly connected with the generator 6, the generator 6 preferably adopts a synchronous generator, the working rotation speed of the synchronous generator is preferably above 1300rpm, the speed reducer 5 is arranged between the magnetoelectric wheel set 4 and the generator 6, the speed reducer 5 preferably adopts a gear type speed reducer, and the speed increasing ratio of the speed reducer can reach above 10. The low-speed end of the speed reducer 5 is connected with the magnetoelectric wheel group 4, and the high-speed end of the speed reducer 5 is connected with the generator 6. The electromagnetic wheel set 7 is arranged on a wheel set frame 18, the electromagnetic wheel set 7 is connected with the electromagnetic wheel set 4 through a steel wire rope 11, one end of the electromagnetic wheel set 7 is fixedly connected with an iron wheel 17, an electromagnet 8 is arranged above the iron wheel 17, the electromagnet 8 is fixedly connected on the wheel set frame 18, the electromagnet 8 is connected with the generator 6 through a coil 19, and an output winding of the generator 6 is connected with the electromagnet 8 through an alternating current direct current circuit. The guide wheel set 9 is arranged on the wheel set frame 18, the guide wheel set 9 comprises a first guide wheel set 14 and a second guide wheel set 15, the first guide wheel set 14 is respectively connected with the electromagnetic wheel set 7 and the second guide wheel set 15 through the steel wire rope 11, the second guide wheel set 15 is connected with the lifting mechanism 10 through the steel wire rope 11, and the lifting mechanism 10 is fixedly arranged on the winding bracket 20. The rope outlet end of the steel wire rope 11 is firstly wound on the magnetoelectric wheel set 4 and the electromagnetic wheel set 7 which are arranged side by side, the output end of the generator 6 can generate alternating current, the alternating current is used for supplying power to the electromagnet 8 through an alternating current-direct current circuit, according to the electromagnetic principle, when the electromagnet 8 is electrified, the electromagnetic wheel set 7 can be subjected to a reverse rotation magnetic force lotus root to achieve the effect of a damping wheel set, so that the winding tension of the steel wire rope is provided, the iron wheel 17 at one end of the electromagnetic wheel set 7 can be in a turbine form so as to provide tangential attraction force with the electromagnet 8, and axial air flow is generated for heat dissipation of the electromagnet 8. The guide wheel group 9 is arranged according to the specific field layout, and guides the steel wire rope 11 to the direction of the lifting mechanism 10.
Principle of operation
The rope outlet end of the steel wire rope 11 is firstly wound on a magneto-electric wheel set and an electromagnetic wheel set which are arranged side by side, the winding number is determined according to the pretightening force requirement, and generally 2-3 times of winding is performed, one end of the steel wire rope 11 is fastened to the lifting mechanism 10 through the guide wheel set 9, and the rope threading work of the steel wire rope 11 is completed; then, the lifting mechanism 10 is electrified to lead the steel wire rope 11 to carry out rolling work, the steel wire rope 11 can drive the magnetoelectric wheel set 4 and the electromagnetic wheel set 7 to rotate due to winding resistance, according to the magnetoelectric principle, the output end of the engine 6 can generate alternating current, the alternating current supplies power to the electromagnet 8 through an alternating current-direct current circuit, according to the electromagnetic principle, when the electromagnet 8 is electrified, the electromagnetic wheel set 7 can be subjected to a reversely rotating magnetic force lotus root, the effect of a damping wheel set is achieved, and therefore the winding tension of the steel wire rope is provided; the iron wheel of the electromagnetic wheel set 7 can be made into a turbine form so as to provide tangential suction force with the electromagnet and generate axial air flow to radiate heat for the electromagnet 8; when the winding is completed, the lifting machine 10 is powered off to stop working, and the steel wire rope drum 2 to be wound is stopped immediately under the action of the elastic braking mechanism 3.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. A wire rope pretension mechanism, its characterized in that: including waiting to roll up wire rope cylinder (2), elasticity brake mechanism (3), magnetoelectric wheelset (4), electromagnetism wheelset (7), direction wheelset (9), hoisting mechanism (10) and wire rope (11), wait to roll up wire rope cylinder (2) and elasticity brake mechanism (3) and magnetoelectric wheelset (4) respectively, electromagnetism wheelset (7) are connected with magnetoelectric wheelset (4) and direction wheelset (9) respectively, direction wheelset (9) are connected with hoisting mechanism (10), the fixed winding of one end of wire rope (11) is on waiting to roll up wire rope cylinder (2), the other end of wire rope (11) is convoluteed in magnetoelectric wheelset (4), electromagnetism wheelset (7), direction wheelset (9) and hoisting mechanism (10) in proper order, and the other end fixed winding of wire rope (11) is on hoisting mechanism (10).
2. A wire rope pretensioning mechanism according to claim 1, wherein: the steel wire rope roller (2) to be coiled is connected with the magnetoelectric wheel group (4) through a steel wire rope (11), a rotating shaft (12) is fixedly arranged in the steel wire rope roller (2) to be coiled, two ends of the rotating shaft (12) are respectively arranged on the unreeling support (1), the rotating shaft (12) is rotatably arranged on the unreeling support (1), and one end of the rotating shaft (12) is fixedly connected with the elastic braking mechanism (3).
3. A wire rope pretensioning mechanism according to claim 2, wherein: the elastic braking mechanism (3) is fixedly arranged on the unreeling support (1), and the elastic braking mechanism (3) is provided with a spring (13) and a motor (16).
4. A wire rope pretensioning mechanism according to claim 1, wherein: the magnetoelectric wheel set (4) is arranged on the wheel set frame (18), one end of the magnetoelectric wheel set (4) is fixedly connected with the generator (6), and a speed reducer (5) is arranged between the magnetoelectric wheel set (4) and the generator (6).
5. The wire rope pretensioning mechanism according to claim 4, wherein: the low-speed end of the speed reducer (5) is connected with the magnetoelectric wheel group (4), and the high-speed end of the speed reducer (5) is connected with the generator (6).
6. A wire rope pretensioning mechanism according to claim 1, wherein: the electromagnetic wheel set (7) is arranged on the wheel set frame (18), the electromagnetic wheel set (7) is connected with the electromagnetic wheel set (4) through a steel wire rope (11), one end of the electromagnetic wheel set (7) is fixedly connected with an iron wheel (17), an electromagnet (8) is arranged above the iron wheel (17), the electromagnet (8) is fixedly connected on the wheel set frame (18), and the electromagnet (8) is connected with the generator (6) through a coil (19).
7. A wire rope pretensioning mechanism according to claim 1, wherein: the guiding wheel set (9) is arranged on the wheel set frame (18), the guiding wheel set (9) comprises a first guiding wheel set (14) and a second guiding wheel set (15), the first guiding wheel set (14) is respectively connected with the electromagnetic wheel set (7) and the second guiding wheel set (15) through steel wires (11), the second guiding wheel set (15) is connected with the lifting mechanism (10) through the steel wires (11), and the lifting mechanism (10) is fixedly arranged on the winding bracket (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320007026.3U CN219449155U (en) | 2023-01-03 | 2023-01-03 | Steel wire rope pre-tightening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320007026.3U CN219449155U (en) | 2023-01-03 | 2023-01-03 | Steel wire rope pre-tightening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219449155U true CN219449155U (en) | 2023-08-01 |
Family
ID=87418090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320007026.3U Active CN219449155U (en) | 2023-01-03 | 2023-01-03 | Steel wire rope pre-tightening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219449155U (en) |
-
2023
- 2023-01-03 CN CN202320007026.3U patent/CN219449155U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201220897Y (en) | Permanent magnetism synchronous gearless reel type raising apparatus for hoisting machine | |
| CN2271516Y (en) | Electrical cable winding appts | |
| CN219449155U (en) | Steel wire rope pre-tightening mechanism | |
| CN214989926U (en) | Dual-drive rope-outgoing hoisting device | |
| CN209940114U (en) | Draw gear that electric power construction used | |
| CN209242547U (en) | Single drum rubbish hangs structure | |
| CN115947249A (en) | Steel wire rope pre-tightening mechanism | |
| CN202279632U (en) | Cable and steel rope synchronization reel type trolley | |
| CN202148122U (en) | Traction device used for elevator traction and transmission | |
| CN107265179B (en) | Double-shaft four-reel high-speed wire accumulating device | |
| CN110203779A (en) | A kind of pulley blocks counter weight type straddle carrier cable drum device | |
| CN216235408U (en) | Shore power cable winch capable of automatically arranging cables | |
| CN202038784U (en) | Steel wire rope winding device | |
| CN113772572B (en) | Energy-saving hoisting winch for coal mine | |
| CN210505030U (en) | Passive constant tension pay-off of steel wire production | |
| CN209757122U (en) | Steel wire rope closed ring vehicle moving device | |
| CN210286347U (en) | Pulley block counterweight type cable drum device for crossing vehicle | |
| CN218174278U (en) | Chain wheel type cable drum device of crown block | |
| CN207016330U (en) | A kind of new steel belt traction machine | |
| CN209957195U (en) | Traction machine with spliced steel belt traction wheel | |
| CN206955479U (en) | A kind of steel wire shoe of defeated coal driving | |
| CN205294509U (en) | Unpowered automation turns to cable drum | |
| CN201517021U (en) | Rope coiling device of dispatching winch | |
| CN217964147U (en) | Lifting device of winding and unwinding machine | |
| CN117361333A (en) | Stall self-locking device of crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |