CN115072601B - Method for electrically lifting gravity free falling type winding and unwinding winch - Google Patents
Method for electrically lifting gravity free falling type winding and unwinding winch Download PDFInfo
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- CN115072601B CN115072601B CN202210682868.9A CN202210682868A CN115072601B CN 115072601 B CN115072601 B CN 115072601B CN 202210682868 A CN202210682868 A CN 202210682868A CN 115072601 B CN115072601 B CN 115072601B
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- 238000004804 winding Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005484 gravity Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims 2
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/16—Power transmissions between power sources and drums or barrels the drums or barrels being freely rotatable, e.g. having a clutch activated independently of a brake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a method for electrically lifting a gravity free falling type winding and unwinding winch, which comprises the following steps of: transmitting a command to the power system; the power system drives a rope pulley of the winding and unwinding winch to rotate positively, and a traction steel wire rope on the rope pulley lifts a suspended object to a target height, so that the suspended object hovers; or the power system drives the rope wheel of the winding and unwinding winch to rotate reversely, and the suspended object on the traction steel wire rope falls freely. The connection or disconnection of the latch and the rope pulley is realized through the overrun clutch, after the latch is pulled out, the rope pulley can rotate at will, and a suspended object hoisted by the traction steel wire rope on the rope pulley falls freely.
Description
Technical Field
The invention belongs to the field of mine car driving safety, and particularly relates to a method for electrically lifting a gravity free-falling type winding and unwinding winch.
Background
The stall interception system of the flexible trackless rubber-tyred vehicle is used for intercepting a stall vehicle, and is characterized in that an interception net is required to be retracted and fallen down when the stall vehicle is intercepted, and the stall interception system is specifically as follows:
when the interception net needs to be retracted, the retraction winch can retract the interception net slowly and stably;
when a vehicle stalls, it needs to be effectively intercepted, the interception net must be able to fall into place quickly.
Particularly, in a vehicle stall state, the falling speed of the interception net directly relates to the fact that a stall vehicle can be successfully protected (effectively intercepted), the falling speed of the interception net is determined by a winding and unwinding winch, the winding and unwinding winch in the current market adopts motor control, the falling speed of the interception net can reach tens of seconds, and compared with the speed of the stall vehicle, the falling speed still has potential safety hazards.
Disclosure of Invention
The invention aims to provide a method for electrically lifting a gravity free-falling type winding and unwinding winch so as to overcome the technical defects.
In order to solve the technical problems, the invention provides a method for electrically lifting a gravity free-falling type winding and unwinding winch, which comprises the following steps:
transmitting a command to the power system;
the power system drives a rope pulley of the winding and unwinding winch to rotate positively, and a traction steel wire rope on the rope pulley lifts a suspended object to a target height, so that the suspended object hovers;
or the power system drives the rope wheel of the winding and unwinding winch to rotate reversely, and the suspended object on the traction steel wire rope falls freely.
Further, the winding and unwinding winch at least comprises a power system, an output shaft of the power system is coaxially provided with a main shaft, a rope wheel, a bolt and a one-way push wheel are sleeved on the main shaft in sequence, a push rod is arranged below the one-way push wheel, the one-way push wheel intermittently rotates and toggles the push rod, the push rod drives the bolt to be inserted into or pulled out of the rope wheel, and a traction steel wire rope is wound in a groove of the rope wheel;
when the bolt is pulled out, the hanging object on the traction steel wire rope falls freely.
Preferably, the rope pulley is sleeved on the main shaft through a bearing, and a plurality of pin holes for inserting bolts are uniformly arranged on the pulley body of the rope pulley at intervals along the circumferential direction.
Further, the bolt is sleeved on the main shaft through a flange-type linear bearing, the bolt comprises a base plate which is sleeved on the flange-type linear bearing in a sliding way, and n pins are arranged on the surface, facing the rope pulley, of the base plate;
a positioning plate is detachably and fixedly sleeved on the main shaft between the rope pulley and the bolt;
n through holes are formed in the positioning plate, and pins of the bolts pass through the through holes and fall into the pin holes;
wherein n is a positive integer.
Further, a positioning sleeve is sleeved on the main shaft, an overrunning clutch is coaxially arranged on the positioning sleeve, a one-way push wheel is sleeved on the overrunning clutch, the one-way push wheel is of a disc wheel structure with a hole in the center, a notch is formed in the rim of the disc wheel, and the notch toggles a push rod;
a compression spring which is sleeved on the main shaft and is in a compression state is arranged between the bolt and the one-way pushing wheel.
Further, the power system is fixed on the bottom plate, a supporting block is further arranged on the bottom plate, a round hole for the push rod to penetrate and rotate is formed in the supporting block, two round wheels, namely a front wheel and a rear wheel, are fixedly sleeved on the push rod in a penetrating mode, the supporting block is positioned between the two round wheels, the front wheel is close to the bolt, and the rear wheel is intermittently arranged in the notch;
the bottom plate is also provided with a side plate, the main shaft penetrates through the side plate after penetrating through the unidirectional push wheel, a bearing sleeved on the main shaft is arranged at the joint of the side plate and the main shaft, and the side plate is also provided with a hole for the push rod to penetrate through.
Further, the part of the rear wheel above the push rod is embedded into the notch, the caliber of the notch is larger than the diameter of the rear wheel, and a sealing plate is fixedly connected to the notch opposite to the bolt and is parallel to the rear wheel;
the notch comprises at least two opposite tangential planes, the rear wheel is positioned between the two tangential planes, the two tangential planes are respectively perpendicular to a first plane of the sealing plate and a second inclined plane which forms an obtuse angle with the sealing plate, and the two tangential planes are connected with the sealing plate.
Further, the power system drives the rope pulley of the winding and unwinding winch to rotate positively, and a traction steel wire rope on the rope pulley lifts a suspended object to a target height, and the suspended object hovers, and specifically comprises:
the pin of the bolt passes through the positioning plate and then falls into the pin hole, the bolt is connected with the rope pulley, the power system drives the main shaft to rotate positively, the positioning plate drives the rope pulley to rotate synchronously, and the rope pulley drives the traction steel wire rope to lift the suspended object to the target height, and the suspended object is suspended;
in the process, the overrunning clutch is kept disconnected from the main shaft.
Further, the rope pulley of the power system driving winding and unwinding winch reverses, and the suspended object on the traction steel wire rope freely falls down, and the method specifically comprises the following steps:
the overrunning clutch is connected with the main shaft, the power system drives the main shaft to rotate reversely, the main shaft drives the unidirectional push wheel to rotate, a second inclined plane in a notch of the unidirectional push wheel pushes a rear wheel on the push rod, the push rod is displaced, the front wheel pulls the latch to pull out a pin, the latch is separated from the rope pulley, the rope pulley freely rotates, and a suspended object freely falls.
Further, in the process of freely falling the suspended object, the main shaft keeps reversing, and when the unidirectional push wheel runs for one circle, the rear wheel of the push rod returns to the notch of the unidirectional push wheel, the pressure spring stretches to extrude the bolt to fall into the rope wheel.
The beneficial effects of the invention are as follows:
the rope wheel can rotate at will after the plug pin is pulled out, the traction steel wire rope on the rope wheel lifts the suspended object to fall freely, the suspended object can be the interception net, the interception net falls to the stall vehicle, and the interception net falls to fall freely, so that compared with the interception net driven by a motor, the speed of the free fall is only 1-2 seconds, and the stall vehicle can be effectively intercepted immediately.
In order to make the above-mentioned objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a flow chart of a method of electrically lifting a gravity free-fall winch.
Fig. 2 is a cross-sectional view of the pay-off and take-up winch.
Fig. 3 is a top view of the pay-off and take-up winch.
Fig. 4 is a perspective view of the pay-off and take-up winch.
Fig. 5 is a schematic diagram of the sheave structure.
Fig. 6 is a schematic structural view of the latch.
Fig. 7 is an assembly view of the one-way push wheel and push rod.
Reference numerals illustrate:
1. a motor;
2. a speed reducer;
3. a rope pulley; 3.1 pin holes;
4. a main shaft;
5. a plug pin; 5.1 a substrate; 5.2 pins;
6. a pressure spring;
7. a unidirectional push wheel; 7.1 notch; 7.2 sealing plates; 7.3 a first plane; 7.4 a second bevel;
8. a support block;
9. a push rod; 9.1 front wheels; 9.2 rear wheels;
10. a side plate;
11. a flange-type linear bearing;
12. a positioning plate;
13. a bottom plate.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present invention with specific examples.
In the present invention, the upper, lower, left and right directions in the drawings are regarded as the upper, lower, left and right directions of the electric lifting gravity free falling type winding and unwinding winch described in the present specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present invention and fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, like elements/components are referred to by like reference numerals.
Unless otherwise indicated, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The embodiment relates to a method for electrically lifting a gravity free-falling type winding and unwinding winch, and referring to fig. 1, the method comprises the following steps:
transmitting a command to the power system;
the power system drives a rope pulley of the winding and unwinding winch to rotate positively, and a traction steel wire rope on the rope pulley lifts a suspended object to a target height, so that the suspended object hovers;
or the power system drives the rope wheel of the winding and unwinding winch to rotate reversely, and the suspended object on the traction steel wire rope falls freely.
The command is sent to the power system, where the command may be start, stop, forward, reverse, self-locking, etc.
The power system refers to equipment for providing power for the winding and unwinding winch, such as a motor 1 and a speed reducer 2, which are connected through a coupling.
Specifically, the motor 1 transmits power to the rope sheave through the speed reducer 2, the traction steel wire rope on the rope sheave lifts the suspended matter to the target height, the speed reducer 2 provides mechanical self-locking, the suspended matter hovers, or the suspended matter is lifted to the fixed point height through the limit sensor, and the suspended matter hovers after the limit sensor detects signals.
When the power system receives the reversing instruction, the power system drives the rope wheel of the winding and unwinding winch to reversely rotate, and the hanging object on the traction steel wire rope freely falls, if the hanging object is an interception net, the interception net falls freely at the moment, the required time is about 1-2 seconds, and compared with the conventional motor control interception net, the method has the advantages that the falling time is more than ten seconds, the free falling is obviously faster, and a stall vehicle can be effectively and immediately intercepted.
Referring to fig. 2 and 3, the winding and unwinding winch at least comprises a power system, that is, an output shaft of the motor 1 is connected with an input shaft of the speed reducer 2 through a coupling, a main shaft 4 is coaxially installed on the output shaft of the speed reducer 2, a rope wheel 3, a bolt 5 and a unidirectional push wheel 7 are sequentially sleeved on the main shaft 4, a push rod 9 is arranged below the unidirectional push wheel 7, the push rod 9 is parallel to the main shaft 4, the unidirectional push wheel 7 intermittently rotates and toggles the push rod 9, the push rod 9 drives the bolt 5 to insert or pull out the rope wheel 3, a traction steel wire rope is wound in a wheel groove of the rope wheel 3, and a hanging object (such as an interception net) is connected to the free end of the traction steel wire rope.
The rope wheel 3, the bolt 5 and the unidirectional push wheel 7 are all preferably disc-shaped so as to be convenient for rotation.
When the bolt 5 is inserted into the rope wheel 3, the two are connected, the main shaft 4 can drive the two to rotate (rotate positively), the unidirectional push wheel 7 is not operated, and when the suspended object is lifted, the speed reducer 2 provides mechanical self-locking, so that the suspended object can hover at any time, that is, in the process of lifting the suspended object, the conventional mode, namely motor lifting, is adopted.
When the bolt 5 pulls out the pin, the one-way push wheel 7 is kept connected with the main shaft 4, the main shaft 4 drives the one-way push wheel 7 to rotate (reversely rotate), the one-way push wheel 7 pulls the push rod 9, the push rod 9 drives the bolt 5 to pull out the rope pulley 3, the rope pulley 3 is separated from the main shaft 4, and a suspended object on a traction steel wire rope falls freely.
The hanging object can be an interception net or other objects.
As shown in fig. 4, the rope pulley 3 is sleeved on the main shaft 4 through a bearing, a plurality of pin holes 3.1 for inserting the bolts 5 are uniformly arranged on the pulley body of the rope pulley 3 at intervals along the circumferential direction, and referring to fig. 5, the shape of the pin holes 3.1 is not limited to a circular shape, and the trapezoid shown in fig. 5 can be optimized, so that the bolts 5 can be conveniently inserted.
Referring to fig. 4, the bolt 5 is sleeved on the main shaft 4 through a flange-type linear bearing 11, the bolt 5 includes a base plate 5.1 slidably sleeved on the flange-type linear bearing 11, as shown in fig. 6, n pins 5.2 are provided on a surface of the base plate 5.1 facing the sheave 3, and in this embodiment, n is 2, i.e. two pins 5.2 distributed at 180 ° are fixedly connected to the base plate 5.1.
As shown in fig. 4, a positioning plate 12 is detachably and fixedly sleeved on the main shaft 4 between the rope pulley 3 and the bolt 5, n through holes are formed in the positioning plate 12, n is 2, and a pin 5.2 of the bolt 5 falls into a pin hole 3.1 after passing through the through holes, as can be seen in fig. 5, the pin hole 3.1 on the rope pulley 3 is obviously more than the pin 5.2 of the bolt 5, which is convenient for the pin 5.2 to be inserted into the pin hole 3.1.
The number of pins 5.2 corresponds to the number of through holes in the locating plate 12.
And n is a positive integer.
The function of the positioning plate 12 is firstly to limit and guide the insertion of the pin 5.2 of the plug 5.
The second function of the positioning plate 12 is to rotate synchronously with the main shaft 4, and when the latch 5 is kept connected with the rope pulley 3, the positioning plate 12 can drive the rope pulley 3 to rotate.
Referring to fig. 4, a positioning sleeve is sleeved on the main shaft 4, an overrunning clutch is coaxially installed on the positioning sleeve, a one-way push wheel 7 is sleeved on the overrunning clutch, the one-way push wheel 7 is of a disc wheel structure with a hole in the center, a notch 7.1 is formed in the rim of the disc wheel, the notch 7.1 is used for stirring the push rod 9, and precisely, the notch 7.1 is used for periodically/intermittently stirring the push rod 9.
A compressed spring 6 which is sleeved on the main shaft 4 and is in a compressed state is arranged between the bolt 5 and the one-way push wheel 7.
When the suspended object freely falls, the main shaft 4 keeps reversing, and when the push rod 9 is reset to the notch 7.1 of the one-way push wheel 7 after the one-way push wheel 7 runs for one circle, the pressure spring 6 stretches and extrudes the pin 5.2 of the bolt 5 to fall into the pin hole 3.1 of the rope pulley 3.
As shown in fig. 4, the power system is fixed on the bottom plate 13, the bottom plate 13 is further provided with a supporting block 8, the supporting block 8 is provided with a round hole for the push rod 9 to penetrate and rotate, two round wheels, namely a front wheel 9.1 and a rear wheel 9.2, are fixedly sleeved on the push rod 9, the supporting block 8 is positioned between the two round wheels, wherein the front wheel 9.1 is close to the base plate 5.1 of the bolt 5, and the rear wheel 9.2 is intermittently arranged in the notch 7.1.
The function of the front wheel 9.1 is to pull the bolt 5 to be pulled out or inserted into the sheave 3, so that the front wheel 9.1 needs to be in close contact with the base plate 5.1, as shown in fig. 2 and 4.
The function of the rear wheel 9.2 is to transmit a pin or bolt signal to the front wheel 9.1, so that the rear wheel 9.2 is intermittently placed in the gap 7.1.
The bottom plate 13 is also provided with a side plate 10, the main shaft 4 passes through the side plate 10 after penetrating through the unidirectional push wheel 7, a bearing sleeved on the main shaft 4 is arranged at the joint of the side plate 10 and the main shaft 4, and the side plate 10 is also provided with a hole for the push rod 9 to pass through.
The side plates 10 serve to provide support for the spindle 4, the push rod 9.
Referring to fig. 7, the rear wheel 9.2 is located in the notch 7.1 at the part above the push rod 9, the caliber of the notch 7.1 is larger than the diameter of the rear wheel 9.2, and a sealing plate 7.2 is fixedly connected to the notch 7.1 opposite to the bolt 5, the sealing plate 7.2 is parallel to the rear wheel 9.2, and the sealing plate 7.2 is used for limiting the rear wheel 9.2.
As shown in fig. 7, the notch 7.1 includes at least two opposite tangential surfaces, the rear wheel 9.2 is located between the two tangential surfaces, the two tangential surfaces are a first plane 7.3 perpendicular to the sealing plate 7.2, and a second inclined plane 7.4 forming an obtuse angle with the sealing plate 7.2, and the two tangential surfaces are both connected to the sealing plate 7.2.
The working principle and working process of the notch 7.1 are as follows:
when the suspended object is lifted and the main shaft 4 rotates positively, the one-way push wheel 7 is not connected with the overrunning clutch, so that the one-way push wheel 7 does not operate, at the moment, if the bolt 5 is connected with the rope pulley 3, the main shaft 4 drives the positioning plate 12 to synchronously rotate, and the positioning plate 12 drives the front and rear rope pulleys 3 and the bolt 5 to synchronously rotate, namely, the motor 1 controls the lifting of the suspended object;
when the suspended object falls down and the main shaft 4 reverses, the one-way push wheel 7 is kept connected with the overrunning clutch, the main shaft 4 drives the one-way push wheel 7 to reverse, a second inclined plane 7.4 in a notch 7.1 of the one-way push wheel 7 contacts and pushes the wheel surface of the rear wheel 9.2, the rear wheel 9.2 is displaced, the push rod 9 is also displaced along with the displacement, the front wheel 9.1 on the push rod 9 pushes the base plate 5.1 of the bolt 5, as the front wheel 9.1 is pushing the base plate 5.1 in a rotating way, the friction force of the front wheel 9.1 and the front wheel pulls the pin 5.2 of the bolt 5 to pull the pin from the pin hole 3.1 of the rope pulley 3, the bolt 5 slides rightward along the flange-type linear bearing 11 (see fig. 2, 3 and 4), the bolt 5 is separated from the rope pulley 3, and the rope pulley 3 can rotate randomly at the moment, so that the free falling of the suspended object can be realized.
The method for electrically lifting the gravity free-falling type winding and unwinding winch provided by the embodiment specifically comprises the following steps:
i, driving a rope pulley of a winding and unwinding winch to rotate positively, and hanging a suspended object to a target height by a traction steel wire rope on the rope pulley, wherein the suspended object hovers, specifically, a pin 5.2 of a bolt 5 passes through a positioning plate 12 and then falls into a pin hole 3.1, the bolt 5 is connected with the rope pulley 3, driving a main shaft 4 to rotate positively by the power system, driving the rope pulley 3 to rotate synchronously by the positioning plate 12, and hanging the suspended object to the target height by the traction steel wire rope by the rope pulley 3;
in the above process, the overrunning clutch remains disengaged from the main shaft 4.
II, a rope wheel of the winding and unwinding winch is driven to rotate reversely by a power system, a hanging object on a traction steel wire rope is kept to fall freely, specifically, an overrunning clutch is connected with a main shaft 4, the main shaft 4 is driven to rotate reversely by the power system, a unidirectional push wheel 7 is driven by the main shaft 4 to rotate, a second inclined plane 7.4 in a notch 7.1 of the unidirectional push wheel 7 pushes a rear wheel 9.2 on a push rod 9, the push rod 9 is displaced, a front wheel 9.1 pulls a plug pin 5 to pull out a pin, the plug pin 5 is separated from the rope wheel 3, the rope wheel 3 rotates freely, and the hanging object falls freely.
And (3) repeating the step I when lifting again.
In the process of freely falling the suspended object, the main shaft 4 keeps reversing, and when the unidirectional push wheel 7 runs for one circle, the rear wheel 9.2 of the push rod 9 is reset to the notch 7.1 of the unidirectional push wheel 7, the pressure spring 6 stretches to extrude the bolt 5 to fall into the rope wheel 3.
The invention realizes the connection or disconnection of the bolt and the rope pulley through the overrunning clutch, after the bolt is pulled out, the rope pulley can rotate at will, and the traction steel wire rope on the rope pulley lifts the suspended object to fall freely.
It should be noted that the retraction winch according to the present embodiment may be applied to, but not limited to, a stall blocking system of a flexible trackless rubber-tyred vehicle, and may also be used for lifting suspended objects in other fields and industries.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the invention and that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The method for electrically lifting the gravity free-falling type winding and unwinding winch is characterized by comprising the following steps of:
transmitting a command to the power system;
the power system drives a rope pulley of the winding and unwinding winch to rotate positively, and a traction steel wire rope on the rope pulley lifts a suspended object to a target height, so that the suspended object hovers;
or the power system drives the rope wheel of the winding and unwinding winch to rotate reversely, and the suspended object on the traction steel wire rope falls freely;
the winding and unwinding winch at least comprises a power system, wherein an output shaft of the power system is coaxially provided with a main shaft (4), a rope wheel (3), a bolt (5) and a one-way push wheel (7) are sleeved on the main shaft (4) in sequence, a push rod (9) is arranged below the one-way push wheel (7), the one-way push wheel (7) intermittently rotates and toggles the push rod (9), the push rod (9) drives the bolt (5) to be inserted into or pulled out of the rope wheel (3), and a traction steel wire rope is wound in a wheel groove of the rope wheel (3);
when the bolt (5) is pulled out, a hanging object on the traction steel wire rope falls freely;
the main shaft (4) is sleeved with a positioning sleeve, an overrunning clutch is coaxially arranged on the positioning sleeve, a one-way push wheel (7) is sleeved on the overrunning clutch, the one-way push wheel (7) is of a disc wheel structure with a hole in the center, a notch (7.1) is formed in the rim of the disc wheel, and the notch (7.1) is used for poking a push rod (9);
a compression spring (6) which is sleeved on the main shaft (4) and is in a compression state is arranged between the bolt (5) and the unidirectional push wheel (7).
2. The method for electrically lifting the gravity free-falling type winding and unwinding winch according to claim 1, wherein the rope wheel (3) is sleeved on the main shaft (4) through a bearing, and a plurality of pin holes (3.1) for inserting the bolts (5) are uniformly arranged on the wheel body of the rope wheel (3) at intervals along the circumferential direction.
3. The method for electrically lifting the gravity free-falling type winding and unwinding winch according to claim 2, characterized in that the bolt (5) is sleeved on the main shaft (4) through a flange type linear bearing (11), the bolt (5) comprises a base plate (5.1) which is sleeved on the flange type linear bearing (11) in a sliding way, and n pins (5.2) are arranged on the surface, facing the rope wheel (3), of the base plate (5.1);
a positioning plate (12) is detachably and fixedly sleeved on the main shaft (4) between the rope wheel (3) and the bolt (5);
n through holes are formed in the positioning plate (12), and pins (5.2) of the bolts (5) penetrate through the through holes and then fall into the pin holes (3.1);
wherein n is a positive integer.
4. The method for electrically lifting the gravity free-falling type winding and unwinding winch according to claim 1, characterized in that the power system is fixed on a bottom plate (13), a supporting block (8) is further arranged on the bottom plate (13), a round hole for a push rod (9) to penetrate and rotate is formed in the supporting block (8), two round wheels, namely a front wheel (9.1) and a rear wheel (9.2), are fixedly sleeved on the push rod (9), the supporting block (8) is positioned between the two round wheels, the front wheel (9.1) is close to a bolt (5), and the rear wheel (9.2) is intermittently arranged in a notch (7.1);
the bottom plate (13) is also provided with a side plate (10), the main shaft (4) passes through the side plate (10) after penetrating through the unidirectional push wheel (7), the joint of the side plate (10) and the main shaft (4) is provided with a bearing sleeved on the main shaft (4), and the side plate (10) is also provided with a hole for the push rod (9) to pass through.
5. The method for electrically lifting the gravity free-falling type winding and unwinding winch according to claim 4, wherein the part of the rear wheel (9.2) above the push rod (9) is embedded into the notch (7.1), the caliber of the notch (7.1) is larger than the diameter of the rear wheel (9.2), a sealing plate (7.2) is fixedly connected to the notch (7.1) opposite to the bolt (5), and the sealing plate (7.2) is parallel to the rear wheel (9.2);
the notch (7.1) at least comprises two opposite tangential planes, the rear wheel (9.2) is positioned between the two tangential planes, the two tangential planes are respectively a first plane (7.3) perpendicular to the sealing plate (7.2) and a second inclined plane (7.4) which forms an obtuse angle with the sealing plate (7.2), and the two tangential planes are connected with the sealing plate (7.2).
6. The method of electrically lifting a gravity free-fall winch according to claim 4, wherein the power system drives the sheave of the winch to rotate in a forward direction, and wherein the traction wire rope on the sheave lifts the suspension to a target height, the suspension hovering, comprising:
the pin (5.2) of the bolt (5) passes through the positioning plate (12) and then falls into the pin hole (3.1), the bolt (5) is connected with the rope wheel (3), the power system drives the main shaft (4) to rotate positively, the positioning plate (12) drives the rope wheel (3) to rotate synchronously, and the rope wheel (3) drives the traction steel wire rope to lift the suspended object to the target height, so that the suspended object is suspended;
in the process, the overrunning clutch is kept disconnected with the main shaft (4).
7. The method of electrically lifting a gravity free-fall winch according to claim 4 or 6, wherein the power system drives the sheave of the winch to rotate reversely, and the suspended object on the traction wire rope falls freely, comprising:
the overrunning clutch is connected with the main shaft (4), the main shaft (4) is driven by the power system to rotate reversely, the main shaft (4) drives the one-way push wheel (7) to rotate, a second inclined plane (7.4) in a notch (7.1) of the one-way push wheel (7) pushes a rear wheel (9.2) on the push rod (9), the push rod (9) is displaced, the front wheel (9.1) pulls the plug pin (5) to pull out a pin, the plug pin (5) is disconnected with the rope wheel (3), the rope wheel (3) rotates freely, and a suspended object falls freely.
8. The method for electrically lifting a gravity free-falling type winding and unwinding winch according to claim 7, characterized in that the main shaft (4) keeps reversing during the free falling of the suspended object, and when the unidirectional push wheel (7) rotates for one circle, the rear wheel (9.2) of the push rod (9) returns to the notch (7.1) of the unidirectional push wheel (7), the compression spring (6) stretches and extrudes the bolt (5) to fall into the rope wheel (3).
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| CN202210682868.9A CN115072601B (en) | 2022-06-16 | 2022-06-16 | Method for electrically lifting gravity free falling type winding and unwinding winch |
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| CN115072601B true CN115072601B (en) | 2024-03-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171985A (en) * | 2013-04-03 | 2013-06-26 | 北京诺安舟应急缓降机械装置有限公司 | Heavy ascending-descending putting-releasing device |
| CN103183293A (en) * | 2013-04-07 | 2013-07-03 | 中国地质大学（武汉） | Rope coring and arranging winch with heavy hook falling freely |
| KR20140001022A (en) * | 2012-06-27 | 2014-01-06 | 이종수 | Hydraulic winch |
| CN204917790U (en) * | 2015-08-31 | 2015-12-30 | 济宁韦德液压机械有限公司 | Freely put rope hydraulic winch |
| CN207347055U (en) * | 2017-08-29 | 2018-05-11 | 柳州中科科技有限公司 | Mechanical gun iron link clutch |
| CN112174005A (en) * | 2020-09-15 | 2021-01-05 | 济南嘉宏科技有限责任公司 | Differential winding and unwinding winch |
| CN217921225U (en) * | 2022-06-16 | 2022-11-29 | 陕西航泰电气股份有限公司 | Free falling type winding and unwinding winch |
-
2022
- 2022-06-16 CN CN202210682868.9A patent/CN115072601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140001022A (en) * | 2012-06-27 | 2014-01-06 | 이종수 | Hydraulic winch |
| CN103171985A (en) * | 2013-04-03 | 2013-06-26 | 北京诺安舟应急缓降机械装置有限公司 | Heavy ascending-descending putting-releasing device |
| CN103183293A (en) * | 2013-04-07 | 2013-07-03 | 中国地质大学（武汉） | Rope coring and arranging winch with heavy hook falling freely |
| CN204917790U (en) * | 2015-08-31 | 2015-12-30 | 济宁韦德液压机械有限公司 | Freely put rope hydraulic winch |
| CN207347055U (en) * | 2017-08-29 | 2018-05-11 | 柳州中科科技有限公司 | Mechanical gun iron link clutch |
| CN112174005A (en) * | 2020-09-15 | 2021-01-05 | 济南嘉宏科技有限责任公司 | Differential winding and unwinding winch |
| CN217921225U (en) * | 2022-06-16 | 2022-11-29 | 陕西航泰电气股份有限公司 | Free falling type winding and unwinding winch |
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| CN115072601A (en) | 2022-09-20 |
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