CN117228571B - Automatic tensioning mechanism for winch - Google Patents
Automatic tensioning mechanism for winch Download PDFInfo
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- CN117228571B CN117228571B CN202311111428.9A CN202311111428A CN117228571B CN 117228571 B CN117228571 B CN 117228571B CN 202311111428 A CN202311111428 A CN 202311111428A CN 117228571 B CN117228571 B CN 117228571B
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- rope
- frame body
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of tensioning equipment, and provides an automatic tensioning mechanism for a winch, which comprises a frame body with a sliding groove, an installation seat and a tensioning pulley, wherein the tensioning pulley is installed in the sliding groove of the frame body, a pulley spring arranged in the installation seat is elastically matched with the tensioning pulley along the sliding groove to tension a rope sleeved on the tensioning pulley, and a trigger plate is further installed on the end part of a shaft body of the tensioning pulley and is in movable fit with a proximity switch installed on the frame body. Through the combined installation of spout, bolt and axis body for the rope can support through the spout and hold, and carry out tensioning to the rope by the fixed pulley, need not the function that manual intervention can realize automatic tensioning.
Description
Technical Field
The invention relates to the technical field of tensioning equipment, in particular to an automatic tensioning mechanism for a winch.
Background
In many fields, such as construction, transportation, mechanical engineering, etc., it is necessary to use rope or belt materials for transmission, fixing or supporting. The traditional rope tensioning mode requires manual intervention, and for large equipment or complex systems, the method is time-consuming and labor-consuming, and has human errors and potential safety hazards.
To solve this problem, an automatic tensioning mechanism has been developed. The mechanism is installed through the combination of the sliding groove, the bolt and the shaft body, so that the rope can be propped against the sliding groove and is tensioned by the fixed pulley. Compared with the traditional mode, the automatic tensioning mechanism can realize the automatic tensioning function of the rope without manual intervention. For this purpose we propose an automatic tensioning mechanism for the winding.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an automatic tensioning mechanism for a winch, which overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the automatic tensioning mechanism for the winch comprises a frame body with a sliding groove, a mounting seat and a tensioning pulley, wherein the tensioning pulley is mounted in the sliding groove of the frame body, a pulley spring arranged in the mounting seat is elastically matched with the tensioning pulley along the sliding groove, the rope sleeved on the tensioning pulley is tensioned, and a trigger plate is further mounted on the end part of the shaft body of the tensioning pulley and is in movable fit with a proximity switch mounted on the frame body.
Preferably, the sliding groove of the frame body is of a U-shaped structure, and the size of the sliding groove is larger than that of the tensioning pulley shaft.
Preferably, the frame body is also connected with at least one buffer brake mechanism, the buffer brake mechanism comprises a mounting plate and a mounting ring, the mounting ring is rotatably arranged in the mounting plate, the rope radially penetrates through the mounting ring, and a pair of guide wheels arranged in the mounting ring form guide fit.
Preferably, the motor is fixedly installed on the outer side wall of the mounting plate, and the output end of the motor penetrates through the mounting plate and extends on the mounting ring to drive the motor to rotate in the mounting plate.
Preferably, the first clamping block is arranged on the mounting ring, the arc-shaped plate is arranged on the mounting plate, and the first clamping block and the arc-shaped plate are positioned between the ropes to form rotary clamping.
Preferably, a first chamber and a second chamber which are communicated are formed in the arc plate along the direction of the arc plate, a second clamping block is arranged in the second chamber in a sliding mode, and a clamping spring is further connected to the second clamping block and extends to the bottom of the first chamber to form elastic fit.
Preferably, clamping rods extending into the mounting rings are mounted on the side walls between the mounting plates, and kidney-shaped holes along the paths of the clamping rods are further formed in the mounting rings.
Preferably, a pair of winding columns which are opposite and separated are further arranged on the side wall between the mounting rings, and the winding columns are abutted against the clamping rods after rotating.
(III) beneficial effects
The embodiment of the invention provides an automatic tensioning mechanism for a winch. The beneficial effects are as follows:
1. automatic tensioning: through the combined installation of spout, bolt and axis body for the rope can support through the spout and hold, and carry out tensioning to the rope by the fixed pulley, need not the function that manual intervention can realize automatic tensioning.
2. Elastic matching: by means of the elastic fit of the pulley spring mounted inside the mounting seat and the shaft body of the tensioning pulley, proper pressure can be provided to resist the tensioning force of the rope, and the stable tensioning state of the rope can be maintained.
3. Adjusting the tightness: the bottom threaded connection at pulley spring has adjusting bolt, through adjusting bolt's elasticity, can adjust elastic fit's inseparable degree to further adjust the tightening force of rope.
4. Triggering device: the trigger plate mounted on the shaft end of the tensioning sheave may correspond to a proximity switch. When the rope is in a tightening state, the trigger plate is contacted with the proximity switch to trigger a corresponding signal, so that the power supply of the winch motor is cut off, the tightening of the rope is stopped, and the safety protection function is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a tensioning sheave of FIG. 1 illustrating the structure of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2, which is a block diagram of the present invention;
FIG. 4 is a schematic view of the structure of the present invention with the buffer brake mechanism installed in FIG. 1;
FIG. 5 is a schematic illustration of a buffer stop mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the present invention with one side mounting plate removed in FIG. 5;
FIG. 7 is a schematic side view of a structural damper brake mechanism of the present invention;
FIG. 8 is a schematic cross-sectional view of B-B of FIG. 7, which is a block diagram of the present invention.
In the figure: 1. a frame body; 11. a proximity switch; 2. a mounting base; 21. a tensioning pulley; 22. a pulley spring; 3. a mounting plate; 31. a motor; 32. an arc-shaped plate; 321. a first chamber; 322. a second chamber; 323. a second clamping block; 324. a clamping spring; 33. a tank body; 34. a clamping rod; 4. a mounting ring; 41. a first clamping block; 42. waist-shaped holes; 43. winding a column; 44. and a guide wheel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, an automatic tensioning mechanism for winch comprises a frame body 1 with a sliding groove, a mounting seat 2 and a tensioning pulley 21, wherein the mounting seat 2 is fixedly arranged in the sliding groove of the frame body 1 through bolts, the tensioning pulley 21 is further arranged in the sliding groove, the sliding groove of the frame body 1 is of a U-shaped structure, the size of the sliding groove is larger than that of a shaft of the tensioning pulley 21, the shaft of the tensioning pulley 21 is connected with the mounting seat 2, a pulley spring 22 is further arranged in the mounting seat 2, the pulley spring 22 abuts against the shaft of the tensioning pulley 21 to form elastic fit, a pair of fixed pulleys connected to the end of the frame body 1 form tensioning to the rope, bolts for adjusting the tightness of the pulley spring 22 are further connected to the bottom of the pulley spring 22, the tightening force of the rope is further adjusted, the rope passes through the fixed pulleys at this moment, a trigger plate is fixedly arranged on the end of the shaft of the tensioning pulley 21 along the sliding groove, the trigger plate is of an L-shaped structure, a proximity switch 11 is further arranged on the frame body 1 at the position of the edge of the sliding groove, when the rope is in a state of loosening trigger plate, the trigger plate is in a state, the tightening state is not triggered, the rope is not in a state, the tightening state is formed, the rope is normally, the tightening state is stopped when the trigger plate is in the tightening state, the rope is closed, the tightening state is corresponding to the tensioning plate 11, and the winding state is closed to the winding state, and the wire is normally, and the trigger plate is turned, and the winding state is turned to the trigger plate is turned.
In the embodiment, a buffer brake stopping mechanism is fixedly arranged at the fixed pulley of the frame body 1, the buffer brake stopping mechanism comprises a pair of mounting plates 3 and a pair of mounting rings 4, a pair of guide wheels 44 are connected between the mounting rings 4, a rope wound on the fixed pulley is led into the guide wheels 44 to form limit at the moment, the pair of mounting rings 4 are embedded into the inner walls of the pair of mounting plates 3 through bearings to realize running fit, a motor 31 is further arranged on one side of the mounting plates 3, the output end of the motor 31 passes through the mounting plates 3 and is fixedly connected with the axle center of one end of the mounting ring 4 to drive the mounting rings 4 to rotate on the mounting plates 3, a proximity switch 11 is electrically connected with the motor 31 to form linkage, when the trigger plate is triggered with the proximity switch 11, the motor 31 realizes driving, a first clamping block 41 is fixedly arranged on the outer edge of the mounting rings 4, an arc-shaped plate 32 corresponding to the mounting ring 4 is fixedly connected between the mounting plates 3, the arc-shaped plate 32 and the first clamping blocks 41 are positioned on two sides of the rope, a first cavity 321 and a second cavity 322 are also formed in the arc-shaped plate 32, a groove body 33 communicated with the second cavity 322 is formed on the outer side of the arc-shaped plate 32 along the surface of the arc-shaped plate, a second clamping block 323 matched with the second cavity 322 is slidably arranged in the second cavity 322, a clamping spring 324 is fixedly connected onto the second clamping block 323, the clamping spring 324 extends to the bottom of the first cavity 321 to be fixedly connected with the second clamping block 323 to form elastic fit, when the rope stalls, due to the fact that the inertia can generate tension on the rope, the shaft body of the tensioning pulley 21 approaches to the mounting seat 2 and triggers the proximity switch 11, and due to the fact that the electric connection of the motor 31 and the mounting ring 4 are driven by the motor 31 to rotate in the mounting plate 3, the first clamping block 41 is abutted against the second clamping block 323 along the direction of the groove body 33 and is turned into the second chamber 322, the elastic abutting force given by the inner clamping spring 324 turned into the second chamber 322 is larger, linear abutting deceleration of the rope is formed, after the first clamping block 41 rotates to a certain angle, the second clamping block 323 is abutted against the groove body 33, at the moment, the second clamping block 323 is fixed under the abutting of the first clamping block 41, the second clamping block 323 and the first clamping block 41 form clamping of the rope, and linear deceleration is completed.
In this embodiment, a pair of winding posts 43 are further fixedly installed between the mounting rings 4, the winding posts 43 are far away from the guide wheels 44 and are located at two sides of the rope, and when the mounting rings 4 rotate, the first clamping blocks 41 and the second clamping blocks 323 clamp the rope, the winding posts 43 enable the rope to be wound, so that the speed of the rope is further reduced.
In this embodiment, a pair of clamping rods 34 are further installed on the installation plate 3, and the mounting ring 4 is further provided with a kidney-shaped hole 42 along the path of the clamping rods 34, the clamping rods 34 penetrate through the mounting ring 4 and are located at the rotating path of the winding column 43, after the mounting ring 4 rotates, the first clamping block 41 and the second clamping block 323 cooperate to realize a first step of linear deceleration, the winding column 43 pushes the rope in the mounting ring 4 to abut against the clamping rods 34 to realize a further deceleration, the mounting ring 4 continues to rotate, at the moment, the second clamping block 323 is located at the bottom of the groove body 33 to realize a further deceleration, meanwhile, the rope in the winding ring 4 is further decelerated until the rope is fixed, and the first clamping block 41 cooperates with the linear deceleration of the second clamping block 323 until the winding deceleration of the winding column 43 is fixed four times of deceleration, so that the linear deceleration can be realized when the rope stalls, and the linear deceleration device can effectively slow down the speed of the rope, so that the deceleration of the rope is more stable and controllable. This helps to reduce impact forces and stresses, reduce the risk of accidents, and improve operational safety.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An automatic tensioning mechanism for a winch comprises a frame body (1) with a chute, a mounting seat (2) and a tensioning pulley (21);
the method is characterized in that: the mounting seat (2) is mounted in the chute of the frame body (1), and a pulley spring (22) arranged in the mounting seat (2) is elastically matched with the tensioning pulley (21) along the chute to tension a rope sleeved on the tensioning pulley (21);
the end part of the shaft body of the tensioning pulley (21) is also provided with a trigger plate and forms a position moving fit with a proximity switch (11) arranged on the frame body (1);
the frame body (1) is also connected with at least one buffer brake mechanism, the buffer brake mechanism comprises a mounting plate (3) and a mounting ring (4), the mounting ring (4) is rotatably arranged in the mounting plate (3) and a rope radially penetrates through the mounting ring (4), and a pair of guide wheels (44) arranged in the mounting ring (4) form guide fit.
2. The winch automatic tensioning mechanism of claim 1, wherein: the sliding groove of the frame body (1) is of a U-shaped structure, and the size of the sliding groove is larger than that of the tensioning pulley (21) shaft.
3. The winch automatic tensioning mechanism of claim 1, wherein: the motor (31) is fixedly mounted on the outer side wall of the mounting plate (3), and the output end of the motor (31) penetrates through the mounting plate (3) and extends on the mounting ring (4) to drive the motor to rotate in the mounting plate (3).
4. The winch automatic tensioning mechanism of claim 1, wherein: install first grip block (41) on collar (4), install arc (32) on mounting panel (3), first grip block (41) and arc (32) are located and form the rotation centre gripping between the rope.
5. The winch automatic tensioning mechanism of claim 4, wherein: a first cavity (321) and a second cavity (322) which are communicated with each other are formed in the arc-shaped plate (32) along the direction of the arc-shaped plate, a second clamping block (323) is arranged in the second cavity (322) in a sliding mode, and a clamping spring (324) is further connected to the second clamping block (323) and extends to the bottom of the first cavity (321) to form elastic fit.
6. The winch automatic tensioning mechanism of claim 1, wherein: the side walls between the mounting plates (3) are provided with clamping rods (34) extending into the mounting rings (4), and the mounting rings (4) are also provided with kidney-shaped holes (42) along the paths of the clamping rods (34).
7. The winch automatic tensioning mechanism of claim 6, wherein: a pair of winding columns (43) which are opposite to each other are further arranged on the side walls between the mounting rings (4), and the winding columns (43) are abutted against the clamping rods (34) after rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111428.9A CN117228571B (en) | 2023-08-30 | 2023-08-30 | Automatic tensioning mechanism for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111428.9A CN117228571B (en) | 2023-08-30 | 2023-08-30 | Automatic tensioning mechanism for winch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117228571A CN117228571A (en) | 2023-12-15 |
| CN117228571B true CN117228571B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311111428.9A Active CN117228571B (en) | 2023-08-30 | 2023-08-30 | Automatic tensioning mechanism for winch |
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| Country | Link |
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| CN (1) | CN117228571B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008068928A1 (en) * | 2006-12-01 | 2008-06-12 | Ito Co., Ltd. | Pulling device and rope take-up mechanism for pulling device |
| CN201703935U (en) * | 2010-06-21 | 2011-01-12 | 宁波华夏一品电梯有限公司 | Elastic tensioning device of speed limiter rope |
| CA2813034A1 (en) * | 2010-09-29 | 2012-04-05 | Harry Xydias | Level wind assembly for a winch drum including a tensioning arm |
| CN107253682A (en) * | 2017-05-25 | 2017-10-17 | 中国冶集团有限公司 | A kind of hoisting rope tenslator |
| CN111453558A (en) * | 2019-12-11 | 2020-07-28 | 中国计量大学 | Tensioning device for synchronously winding wires |
| CN111792552A (en) * | 2019-04-08 | 2020-10-20 | 湖南零陵恒远发电设备有限公司 | Anti-falling crane |
| CN215084426U (en) * | 2021-03-11 | 2021-12-10 | 中建八局广西建设有限公司 | High altitude construction protection device for construction |
| CN218621542U (en) * | 2022-10-25 | 2023-03-14 | 南通宇伟金属制品有限公司 | Automatic tension adjusting device of stranding machine |
-
2023
- 2023-08-30 CN CN202311111428.9A patent/CN117228571B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008068928A1 (en) * | 2006-12-01 | 2008-06-12 | Ito Co., Ltd. | Pulling device and rope take-up mechanism for pulling device |
| CN201703935U (en) * | 2010-06-21 | 2011-01-12 | 宁波华夏一品电梯有限公司 | Elastic tensioning device of speed limiter rope |
| CA2813034A1 (en) * | 2010-09-29 | 2012-04-05 | Harry Xydias | Level wind assembly for a winch drum including a tensioning arm |
| CN107253682A (en) * | 2017-05-25 | 2017-10-17 | 中国冶集团有限公司 | A kind of hoisting rope tenslator |
| CN111792552A (en) * | 2019-04-08 | 2020-10-20 | 湖南零陵恒远发电设备有限公司 | Anti-falling crane |
| CN111453558A (en) * | 2019-12-11 | 2020-07-28 | 中国计量大学 | Tensioning device for synchronously winding wires |
| CN215084426U (en) * | 2021-03-11 | 2021-12-10 | 中建八局广西建设有限公司 | High altitude construction protection device for construction |
| CN218621542U (en) * | 2022-10-25 | 2023-03-14 | 南通宇伟金属制品有限公司 | Automatic tension adjusting device of stranding machine |
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| Publication number | Publication date |
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| CN117228571A (en) | 2023-12-15 |
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