CN113666287A - Automatic retracting mechanism for motor-driven winching tail rope - Google Patents
Automatic retracting mechanism for motor-driven winching tail rope Download PDFInfo
- Publication number
- CN113666287A CN113666287A CN202110997741.1A CN202110997741A CN113666287A CN 113666287 A CN113666287 A CN 113666287A CN 202110997741 A CN202110997741 A CN 202110997741A CN 113666287 A CN113666287 A CN 113666287A
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- CN
- China
- Prior art keywords
- transmission box
- angle transmission
- shaft
- rope
- tail rope
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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
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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
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
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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
Abstract
The invention discloses an automatic retracting mechanism of a motor-driven winch tail rope. The method comprises the following steps: a frame; a fixed angle transmission box and a clamping fixed block are arranged on the frame at intervals; a machine base is arranged in the middle of the machine frame between the fixed angle transmission box and the clamping fixed block, a rotating angle transmission box is rotatably arranged on the machine base, and a spring is arranged between the rotating angle transmission box and the clamping fixed block; rope clamping wheels are arranged on the output shafts on the same side of the fixed angle transmission box and the rotating angle transmission box; the transmission device is in transmission connection with power input shafts of the fixed angle transmission box and the rotating angle transmission box so as to drive rope clamping wheels of the fixed angle transmission box and the rotating angle transmission box to rotate reversely at the same speed; and a power input shaft of the transmission device is in transmission connection with a drum shaft of the motorized winching through a one-way transmission mechanism. The invention has simple integral structure and convenient use, and a few devices are added outside the motor-driven winching body, thereby avoiding the difficulty of adding and transporting; and meanwhile, the method is not strictly limited by a construction site.
Description
Technical Field
The invention relates to a motor-driven automatic retracting mechanism for a tail rope of a winching machine.
Background
Present motor-driven hank grinds, wire rope's one end is connected on the work piece that will be promoted, the middle part winding is on grinding a section of thick bamboo, the wire rope other end (tail) are by manpower control (two at least people are taut), it provides the tail rope pulling force to lean on the manpower when hank grinds the traction, when hank grinds the unwrapping wire, will be put the rope speed by stay cord personnel active control, tail rope staff need keep 20 ~ 50 kilograms of pulling force for a long time just can guarantee its normal operating, two operating personnel can not loosen one's hand simultaneously, workman's intensity of labour is big, there is the potential safety hazard, because the safety facility of field construction is not enough, often very serious because of the improper incident that operation hank grinds or hank grinds self trouble leads to in the construction.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide an automatic retracting mechanism of a tail rope of a motor-driven winching machine.
In order to achieve the above object, the present invention provides an automatic retracting mechanism for a motorized winch tail rope, comprising:
a frame is arranged on one side of the motor-driven winching;
a fixed angle transmission box and a clamping fixed block are arranged on the frame at intervals; a machine base is arranged in the middle of the machine frame between the fixed angle transmission box and the clamping fixed block, a rotating angle transmission box is rotatably arranged on the machine base, and a spring is arranged between the rotating angle transmission box and the clamping fixed block;
rope clamping wheels are arranged on the output shafts on the same side of the fixed angle transmission box and the rotating angle transmission box;
the transmission device is in transmission connection with power input shafts of the fixed angle transmission box and the rotating angle transmission box so as to drive rope clamping wheels of the fixed angle transmission box and the rotating angle transmission box to rotate reversely at the same speed; and a power input shaft of the transmission device is in transmission connection with a drum shaft of the motorized winching through a one-way transmission mechanism.
Furthermore, a handle is arranged on the rotating angle transmission box.
Further, a power output shaft of the rotary angle transmission box extends forwards to form the handle.
Further, the transmission device comprises: the power input shaft and the two power output shafts are provided with the same transmission gear; the power input shaft is in transmission connection with a power output shaft through a transmission gear; the power input shaft is in transmission connection with a transmission gear of the other power output shaft through a same transition gear.
Furthermore, bevel gears are arranged on the rotating shaft of the winching machine and the power input shaft, and the rotating shaft of the winching machine is in transmission connection with the power input shaft through the bevel gears.
Furthermore, the power input shaft consists of two half shafts which are arranged oppositely, and the one-way transmission mechanism is arranged at one end of each half shaft which is opposite to the other half shaft.
Further, the one-way transmission mechanism comprises: an end face ratchet wheel is arranged at the end part of the half shaft; a spline groove is axially formed in the opposite end of the other half shaft, and an end face ratchet sliding seat matched with the end face ratchet is arranged on the spline groove in a sliding manner; the other half shaft is sleeved with a spring which is pressed on the end face ratchet wheel sliding seat.
Furthermore, a spring positioning column is arranged on one side of the rotary angle transmission box corresponding to the spring.
The motorized winching tail rope automatic retracting mechanism is in transmission connection with the fixed angle transmission box and the rotating angle transmission box through the transmission box in transmission connection with the winching, so that the speeds of the rope clamping wheel and the winching winding drum of the rotating angle transmission device and the fixed angle transmission box are synchronous; by arranging the one-way transmission mechanism, the tail rope can be clamped by the two rope clamping wheels during traction and traction force can be provided; and when the wire is paid off, the one-way transmission mechanism slips, and no acting force is generated to the tail rope. The invention has simple integral structure and convenient use, and a few devices are added outside the motor-driven winching body, thereby avoiding the difficulty of adding and transporting; and meanwhile, the method is not strictly limited by a construction site. The winch tail rope tensioning device can meet the use load requirement of a winch, greatly improve the construction efficiency, and meanwhile, the development achievement can realize that the winch tail rope generates tension by machinery to replace manpower, reduce operating personnel, eliminate unsafe factors when workers pull the tail rope by hand behind the winch, directly reduce strong association between field personnel and the winch, and obviously reduce the construction safety risk.
Drawings
FIG. 1 is a driving diagram of an embodiment of the motorized winch tail rope automatic retraction mechanism of the present invention;
FIG. 2 is a front view of an embodiment of the motorized winch tail rope automatic retraction mechanism of the present invention;
fig. 3 is a rear view of fig. 2.
Fig. 4 is a schematic transmission diagram of the fixed angle transmission box.
Fig. 5 is a schematic transmission diagram of the rotary angle transmission case.
FIG. 6 is a schematic structural view of a ratchet coupling in the single-body transmission mechanism.
Fig. 7 is a schematic diagram of the rope clamping state of the two rope clamping wheels.
Fig. 8 is a schematic view when the rotary angle drive case is opened.
FIG. 9 is a schematic diagram of an overall structure of an embodiment.
Fig. 10 is a schematic view of the overall structure of another embodiment.
Fig. 11 is a schematic view of the overall structure of yet another embodiment.
Description of the figure numbers: 1. an output shaft; 2. grinding the cylinder; 3. bevel (module 2 teeth number 56); 4. small bevel teeth (module 2, tooth number 18) 5 and a ratchet shaft fixing block; 6. a ratchet shaft (10 teeth); 7. a ratchet slide (10 teeth); 8. a spline shaft; 9. a tooth row fixing block; 10/19/20/27, tooth row gear (module 2, tooth number 17); 11. a fixed guide input shaft; 12. fixing a guide fixing block; 13. clamping a rope wheel; 14. a fixed guide output shaft; 15. a flange plate; 16/17/22/23 universal bevel gear (module 2.5 with 20 teeth); 18. a tooth row transition shaft; 21. a rotating angle transmission case; 24. clamping a rope wheel; 25. an output shaft of the rotary angle transmission case; 26. a rotation angle transmission case input shaft (power output shaft of the transmission device); 28. a spring; 29. an upper guide wheel; 30. clamping a fixed block; 31. adjusting a hand wheel; 32. box cover plate
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific examples. Note that the following described embodiments are illustrative only for explaining the present invention, and are not to be construed as limiting the present invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 11, a frame is installed at one side of the motor-driven winching; a fixed angle transmission box and a clamping fixed block 30 are arranged on the frame at intervals; a machine base is arranged in the middle of the machine frame between the fixed angle transmission box and the clamping fixed block, a rotating angle transmission box 21 is rotatably arranged on the machine base, and a spring 28 is arranged between the rotating angle transmission box and the clamping fixed block;
the fixed angle transmission box is provided with a rope clamping wheel 13, and an output shaft at the same side of the rotating angle transmission box is provided with a rope clamping wheel 24;
the transmission device is in transmission connection with power input shafts of the fixed angle transmission box and the rotating angle transmission box so as to drive rope clamping wheels of the fixed angle transmission box and the rotating angle transmission box to rotate reversely at the same speed; and a power input shaft of the transmission device is in transmission connection with a drum shaft of the motorized winching through a one-way transmission mechanism.
The motorized winching tail rope automatic retracting mechanism is in transmission connection with the fixed angle transmission box and the rotating angle transmission box through the transmission box in transmission connection with the winching, so that the speeds of the rope clamping wheel and the winching winding drum of the rotating angle transmission device and the fixed angle transmission box are synchronous; by arranging the one-way transmission mechanism, the tail rope can be clamped by the two rope clamping wheels during traction and traction force can be provided; and when the wire is paid off, the one-way transmission mechanism slips, and no acting force is generated to the tail rope.
As shown in fig. 1 to 11, a bevel gear 3 (module 2, number of teeth 56) is fixed on a fixed shaft of a roller at one side of a double-roller grinding device, a small bevel gear 4 (module 2, number of teeth 18) is a bevel gear matched with the bevel gear 3, an axial included angle between the two gears is 90 degrees after meshing, and the small bevel gear 4 is fixed at the lower end of a ratchet shaft fixing block 5. The ratchet shaft fixing block is fixed on the frame through a bearing. The upper end of the ratchet shaft fixing block 5 fixes a part of a one-way clutch (ratchet shaft). The fixed block of the gear row 9 is fixed on the frame through the bearing, locate at the same axis with fixed block 5 of the ratchet shaft, the bottom end of the gear row fixes another part of the ratchet slide carriage of the unidirectional clutch, the ratchet shaft contacts and engages with ratchet slide carriage.
On the ninthly side of the tooth row, a fixed guide fixing block 12, a rotary angle transmission box input shaft 26 and a tooth row transition gear 18 are fixed on the frame through bearings in parallel.
As shown in figure 4, the gear 16 in the fixed angle transmission box is a bevel gear matched with the gear 17, the axial included angle of the two gears is 90 degrees after meshing, and the power output shaft 14 of the fixed angle transmission box is provided with the clamping rope 13. The casing of the fixed angle drive box may be omitted where the structure allows, the shaft that fixes the gear 16 by means of the frame being the shaft with the gear 17.
As shown in fig. 5, the gear 22 in the rotary angle transmission case 21 is a bevel gear which is paired with the gear 23, the axial included angle between the two gears is 90 ° after meshing, the gear 22 is fixed on the power output shaft 26, the gear 23 is fixed on one side of the rotary angle transmission case output shaft 25, and the rotary angle transmission case output shaft 25 is fixed on the rotary angle transmission case through a bearing. A rope clamping wheel 24 is fixed on one side of the output shaft 25 of the rotating angle transmission box, which extends out of the rotating angle transmission box; and the rotary angle drive box output shaft 25 continues to extend outwardly to form a handle.
The rotation angle transmission box 21 is mounted on the base of the frame through a bearing, the rotation angle transmission box 21 can rotate around the power output shaft 26, and the gear 22 and the gear 23 are always in a meshed state while rotating.
A spring 28 is arranged between the rotating angle transmission box 21 and the clamping fixed block 30, and the spring 28 is used for pressing the rotating angle transmission box 21 to one side of the fixed angle transmission box so as to clamp the two rope clamping wheels with each other to clamp the tail rope. The pressure spring screw is arranged in the clamping fixed block 30, the spring 28 is pressed through the spring barrel, and the pressure of the spring 28 on the rotating angle transmission case 21 can be adjusted by rotating the adjusting hand wheel.
The rope clamping wheels 13 and 24 are sheave structures, and the outline of the groove is consistent with the diameter of the tail rope.
The working process is as follows:
before the winching operation, the hand wheel is rotated anticlockwise to loosen the spring 28, and then the angle transmission box 21 is rotated to place the tail rope between the rope clamping wheels 13 and 24. Then, the handle is rotated clockwise, and the rotation angle transmission case 21 is pressed by the spring 28, thereby fixing the tail rope.
The power of hank mill passes to grinding the section of thick bamboo to spread into bevel gear 4 through bevel gear 3, drive ratchet axle 6 rotatory, under ratchet coupling spare and spring combined action, the ratchet slide can be on integral key shaft 8 along the key direction motion, has two kinds of operating condition:
in the state 1, when the winch is pulled, the ratchet coupling part is relatively static, the spring presses the ratchet sliding seat, power enters the gear row assembly through the gear 20 along the spline shaft 8, and the rotation of the universal head assembly and the fixed guide assembly in two opposite directions is completed.
When the winching is in the traction condition, the direction of rotation of the gear 20 causes the one-way clutch to be in the engaged condition. The device can utilize the power of running roller when the capstan winch pulls, tightens up the tail rope together.
In the state 2, when the winching and paying off are carried out, the bevel gear 3 rotates reversely, the ratchet coupling parts are separated from each other, the spring outside the spline shaft tracks and jumps, the ratchet slide seat is lifted, the spline shaft 8 and the rear tooth row assembly are separated from the input ratchet shaft, and at the moment, the rotating angle transmission box and the fixed angle transmission box rotate reversely and passively under the driving of the rope clamping wheel.
When the winching is in the paying-off working condition, the rotation direction of the gear 20 enables the single clutch to be in a separation connection state, the force of the roller cannot be transmitted to the tail sound, and the tail rope is in a free state.
The automatic tail rope retracting mechanism of the motorized winching tail rope has various connection forms with the motorized winching, can be designed according to actual needs, and is positioned between a driving part and a grinding cylinder, and a pressing wheel and an adjusting hand wheel are vertically arranged as shown in figure 9. In fig. 10: the device is positioned outside the grinding cylinder, and the pressing wheel and the adjusting hand wheel are arranged in the horizontal direction. In fig. 11: the device is positioned outside the grinding cylinder, and the pressing wheel and the adjusting hand wheel are arranged in the vertical direction.
Although embodiments of the present invention have been shown and described, it is understood that the embodiments are illustrative and not restrictive, that various changes, modifications, substitutions and alterations may be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. Automatic jack of motor-driven hank mill tail rope, its characterized in that includes:
a frame is arranged on one side of the motor-driven winching;
a fixed angle transmission box and a clamping fixed block are arranged on the frame at intervals; a machine base is arranged in the middle of the machine frame between the fixed angle transmission box and the clamping fixed block, a rotating angle transmission box is rotatably arranged on the machine base, and a spring is arranged between the rotating angle transmission box and the clamping fixed block;
rope clamping wheels are arranged on the output shafts on the same side of the fixed angle transmission box and the rotating angle transmission box;
the transmission device is in transmission connection with power input shafts of the fixed angle transmission box and the rotating angle transmission box so as to drive rope clamping wheels of the fixed angle transmission box and the rotating angle transmission box to rotate reversely at the same speed; and a power input shaft of the transmission device is in transmission connection with a drum shaft of the motorized winching through a one-way transmission mechanism.
2. The motorized winch tail rope automatic retraction and release mechanism according to claim 1, wherein a handle is provided on the rotating angle drive box.
3. The motorized winch tail rope automatic retraction and release mechanism according to claim 2, wherein the power output shaft of the rotating angle drive housing extends forward to form said handle.
4. The automatic retraction mechanism for motorized winching tail rope according to claim 1, wherein said transmission means comprises: the power input shaft and the two power output shafts are provided with the same transmission gear; the power input shaft is in transmission connection with a power output shaft through a transmission gear; the power input shaft is in transmission connection with a transmission gear of the other power output shaft through a same transition gear.
5. The automatic retracting mechanism of the tail rope of the motorized winch according to claim 1, wherein bevel gears are arranged on the rotating shaft of the winch and the power input shaft, and the rotating shaft of the winch is in transmission connection with the power input shaft through the bevel gears.
6. The automatic retracting mechanism of the tail rope of the motorized winch according to claim 1, wherein the power input shaft is composed of two half shafts which are oppositely arranged, and the one-way transmission mechanism is arranged at the opposite end of the two half shafts.
7. The automatic retraction mechanism for motorized winching tail rope according to claim 6, wherein said unidirectional actuator comprises: an end face ratchet wheel is arranged at the end part of the half shaft; a spline groove is axially formed in the opposite end of the other half shaft, and an end face ratchet sliding seat matched with the end face ratchet is arranged on the spline groove in a sliding manner; the other half shaft is sleeved with a spring which is pressed on the end face ratchet wheel sliding seat.
8. The automatic retracting mechanism of the power-driven winching tail rope of claim 6, wherein a wire guide wheel is provided on the machine frame on the side of the rope clamping wheel.
9. The automatic retracting mechanism of the tail rope of the motorized winch according to claim 1, wherein a spring cylinder is arranged on the clamping fixed block corresponding to the spring, and one end of the spring is positioned in the spring cylinder; the other end of the spring cylinder is provided with a thread; a pressure spring screw is screwed in the thread; a hand wheel is arranged on the pressure spring screw rod.
10. The automatic retracting mechanism of a motorized winch tail rope according to claim 9, wherein a spring positioning post is provided on the side of the rotating angle transmission case corresponding to the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110997741.1A CN113666287A (en) | 2021-08-27 | 2021-08-27 | Automatic retracting mechanism for motor-driven winching tail rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110997741.1A CN113666287A (en) | 2021-08-27 | 2021-08-27 | Automatic retracting mechanism for motor-driven winching tail rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113666287A true CN113666287A (en) | 2021-11-19 |
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ID=78547180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110997741.1A Pending CN113666287A (en) | 2021-08-27 | 2021-08-27 | Automatic retracting mechanism for motor-driven winching tail rope |
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| Country | Link |
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| CN (1) | CN113666287A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367648A (en) * | 2022-09-01 | 2022-11-22 | 华东送变电工程有限公司 | Wire pressing mechanism for tail rope of winching machine |
-
2021
- 2021-08-27 CN CN202110997741.1A patent/CN113666287A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367648A (en) * | 2022-09-01 | 2022-11-22 | 华东送变电工程有限公司 | Wire pressing mechanism for tail rope of winching machine |
| CN115367648B (en) * | 2022-09-01 | 2023-06-27 | 华东送变电工程有限公司 | Wire pressing mechanism for tail rope of winch |
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