CN115973845A - Automatic protection mechanism for cable winch - Google Patents

Abstract

The invention relates to an automatic protection mechanism for a cable winch, which comprises a handle frame connected with the winch, a motor synchronous moving assembly arranged at the upper part of the handle frame, a wire collecting motor arranged on the motor synchronous moving assembly, a reciprocating translation transmission assembly arranged at the lower part of the handle frame and used for controlling the wire collecting motor to transversely reciprocate, a wire collecting transmission mechanism connected with an output shaft of the wire collecting motor, and an automatic disconnecting mechanism triggered by the increase of traction resistance reaching a limit value in the wire collecting process. The device is arranged in the existing winch, the cable winding is changed from the original direct winch winding into the cable winding by the automatic protection mechanism and then the cable winding is wound by the winch, the device is different from the prior art in that the automatic disconnection mechanism with a mechanical structure is arranged in the device, the reliability is obviously enhanced, and the automatic disconnection mechanism acts to disable the cable winding after the foreign matter winding generates resistance, so that the cable is protected from being damaged.

Description

Automatic protection mechanism for cable winch

Technical Field

The invention belongs to the technical field of winch accessories, and particularly relates to an automatic protection mechanism for a cable winch.

Background

Some outdoor temporarily-arranged electric equipment need cables with a certain length, when the electric equipment is stored, a winch needs to be used for collecting and installing the cables, and the requirement for traction force of the collected and installed cables is not high, so that the winch on the market can basically meet the use requirement. But the cable conductor is different from other haulage ropes and is met and need stop immediately when twining and stumbling when the dress is received, otherwise the cable conductor is easy to damage, and this needs the user to pay close attention to the capstan winch constantly and receive line developments to in time shut down the capstan winch when appearing that the cable conductor knots or foreign matter pulls.

Chinese patent application publication No. CN105923467A discloses an intelligent cable winch device, comprising: a winch take-up reel for taking up and paying off the cable; the motor is provided with a motor driver, and the motor is electrically connected with the winch winding roll and controls the rotation of the winch winding roll; and the tension sensor is electrically connected with the winch winding roll, acquires the tension information of the cable and realizes automatic winding and unwinding of the cable under the constant tension state of the cable. According to the technical scheme, the tension sensor is used for detecting the tension of the cable to control the winch to stop, but the use reliability of the electronic component outdoors is seriously reduced, and the failure condition is very easy to occur.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides an automatic protection mechanism for a cable winch, which can be installed in the winch to provide a cable routing and guiding rope for the winch and provide protection against disconnection when encountering a blockage.

The invention aims to be realized by the following technical scheme: an automatic protection mechanism for a cable winch comprises a handle frame connected with the winch, a motor synchronous moving assembly arranged on the upper portion of the handle frame, a wire collecting motor arranged on the motor synchronous moving assembly, a reciprocating translation transmission assembly arranged on the lower portion of the handle frame and used for controlling the wire collecting motor to transversely reciprocate, a wire collecting transmission mechanism connected with an output shaft of the wire collecting motor, and an automatic disconnecting mechanism triggered by the fact that traction resistance is increased to reach a limit value in the wire collecting process.

Preferably, a cable winding device is arranged below the wire take-up transmission mechanism, and the cable winding device further comprises a cable winding device seat plate connected with the winch; the cable winder base plate is integrally plate-shaped and is provided with an obtuse-angle folded edge, an upper area and a lower area are formed after the folded edge, a group of rail sliding balance assemblies are arranged in the upper plane mounting area, a long-strip-shaped reciprocating guide groove is arranged in the lower plane mounting area, the section of a bead opening of the reciprocating guide groove is arc-shaped, and a sliding guide piece which is matched with the arc and can slide tightly is arranged in the arc-shaped bead opening;

the sliding guide piece is fixedly connected with the sliding block of the rail sliding balance assembly through the plate body connecting piece, the center of the sliding guide piece is a cylinder, a through hole for a cable to pass through is formed in the center of the cylinder, the edges at two ends of the hole are provided with arc chamfers, and the periphery of the cylinder is provided with a plurality of flexible supporting pieces. When the cable flows in the through hole, the cylinder can have certain swing amplitude under the support of the flexible support part so as to reduce the vibration caused by the cable flowing up and down.

Preferably, the wire take-up transmission mechanism comprises a continuous wire take-up assembly, an intermittent wire take-up assembly, a switching assembly for switching the continuous wire take-up assembly and the intermittent wire take-up assembly, and a wire take-up executing assembly.

The continuous wire take-up assembly comprises a wire take-up assembly mounting frame which is substantially in a shape and fixedly connected with a sliding block in the rail sliding balance assembly, a movable shaft arranged in the wire take-up assembly mounting frame, a first synchronizing wheel arranged in the movable shaft, a second synchronizing wheel fixedly connected with an output shaft of a wire take-up motor, and a first synchronizing belt which is used for carrying out belt transmission connection on the first synchronizing wheel and the second synchronizing wheel; the lower part of a screw nut in the reciprocating translation transmission assembly is fixedly connected with a wire take-up assembly mounting frame through a frame body connecting piece;

the intermittent wire take-up assembly comprises a single-stage flywheel arranged in the movable shaft, a cam fixedly connected with an output shaft of the wire take-up motor and a reciprocating chain belt for performing one-way chain transmission connection between the single-stage flywheel and the cam; the single-stage flywheel is set to rotate clockwise effectively, and rotate anticlockwise to idle; the reciprocating chain belt is integrally in a strip shape, one end of the reciprocating chain belt is a single-sided batten, the cross section of the other end of the reciprocating chain belt is a rectangular frame body with three sides, a section of chain belt matched with the tooth shape of the single-stage flywheel is fixedly arranged in the frame body, and the side face of the frame body opposite to the batten is provided with a strip waist-shaped hole. Two kinds of receipts line modes of design share a plurality of parts, all have more advantage in space, material cost, use convenience.

Preferably, the switching assembly comprises a limiting lifting rod, one end of the limiting lifting rod is connected in the waist-shaped hole in a sliding manner, a slider seat arranged in the wire take-up assembly mounting frame, a switching slider arranged in the slider seat, and a switching knob, the switching knob is arranged above the slider seat and is in threaded connection with the slider seat; the thread end of the switching knob is connected with the switching slide block, and the other end of the limiting lifting rod is connected with the switching slide block;

the switching assembly further comprises a synchronous belt tensioning mechanism arranged in the take-up assembly mounting frame, and the synchronous belt tensioning mechanism comprises a first tensioning wheel pressed on the first synchronous belt, a transfer arm with one end rotatably connected with the first tensioning wheel and the other end provided with a rolling shaft, and a lifting elastic part in clearance fit with the rolling shaft of the transfer arm; the middle part of the transfer arm is hinged with the wire take-up component mounting frame, and one side of the hinged point close to the first tensioning wheel is provided with an elastic piece which is pressed against the transfer arm; the elastic piece enables the first tension wheel to be always pressed on the first synchronous belt and enables the rolling shaft of the transfer arm to be in contact with the upper part of the lifting elastic part and a gap is reserved at the lower part of the lifting elastic part. The gap provides an elastic space for the first tensioning wheel, so that the tensioning degree can be changed when the belt is stressed; the first synchronous belt is in a loose state under the state that the first tensioning wheel is not sufficiently stressed;

preferably, one side of the wire rewinding assembly mounting rack facing the rack body connecting piece is provided with a back support seat, and the movable shaft is arranged in front of the back support seat;

the automatic disconnecting mechanism comprises movable through holes arranged in two side walls of the wire collecting component mounting rack and an elastic shaft seat hinged in the back supporting seat; the movable through hole is used for installing a movable shaft, and the hinge point of the elastic shaft seat is higher than the axis of the movable shaft;

the automatic disconnection mechanism also comprises a reset component in front of the movable shaft; reset assembly is including setting up the waist hole that resets that just is located the oblique below of activity through-hole on receiving a line subassembly mounting bracket lateral wall, paste the ejector pad that resets of receiving a line subassembly mounting bracket inside wall, one end is passed and is reset the ejector pad and partly expose the other end mobilizable install in the waist hole that resets and partly exerted direction loose axle, install the rotary switch that resets in receiving line subassembly mounting bracket the place ahead, a fixed mounting piece for installing rotary switch that resets, set up two tension spring at direction loose axle both ends, the setting is at the ejector pad lower part that resets and fixes the deflector on receiving line subassembly mounting bracket inside wall. The purpose of this setting lies in when automatic disconnection mechanism is in the off-state that the loose axle falls in the lower part of activity through-hole, rotate the rotary switch that resets and reset, the rotary switch that resets promotes the ejector pad that resets and overcomes two tension springs's pulling force and move forward to its inclined plane loose axle and contradict, the ejector pad that resets under continuing to rotate promotes the loose axle and moves forward, the direction loose axle resets the ejector pad whole and is tilt up under deflector and the guide of waist hole that resets this moment, thereby move the loose axle upwards, it resets to get into the upper portion of activity through-hole again until the loose axle. And then the reset rotary switch is rotated reversely to return the reset push block to the initial position. It should be pointed out that under the condition that the used elastic shaft seat has larger elastic force, the reset assembly needs to be further arranged on the outer wall of the other side of the wire collecting assembly mounting frame, so that two sides are simultaneously operated during reset action, and reset is more easily completed.

Preferably, the front part of the reset push block is provided with an inclined plane, the lower part of the reset push block is provided with two idler wheels, the two idler wheels are arranged on the upper surface of the guide plate, one ends of the two tension springs are respectively connected with two ends of the guide movable shaft, and the other ends of the two tension springs are connected with two ends of the fixed mounting block; the reset rotary switch is hinged with the reset push block; the reset waist hole and one end of the guide plate close to the reset rotary switch are horizontally arranged, and the other end of the guide plate is inclined upwards at the same angle.

Preferably, the handle frame comprises handles at two sides and a flat joint plate in the middle. The handles on the two sides are respectively connected with the winch to form a good whole.

Preferably, the device also comprises a movable connecting piece, one end of the movable connecting piece is fixedly connected with a sliding block in the motor synchronous moving assembly, and the other end of the movable connecting piece is fixedly connected with a screw rod nut in the reciprocating translation transmission assembly; the movable connecting piece penetrates through the flat joint plate, and a long-strip-shaped opening for the movable connecting piece to move is formed in the corresponding position of the flat joint plate. The upper space and the lower space of the flat joint plate are utilized, so that the whole structure is compact and small as much as possible.

In conclusion, compared with the prior art, the invention has the following advantages:

the device is installed in the existing winch, the cable winding is changed from the original direct winch winding into the cable winding through the automatic protection mechanism and then the automatic protection mechanism, the device is different from the prior art in that the automatic disconnection mechanism with a mechanical structure is arranged in the device, the reliability is obviously enhanced, the automatic disconnection mechanism acts to disable the cable winding after the foreign matter winding generates resistance, so that the cable is protected from being damaged, in addition, the cable winding device is also arranged, and the cable winding device and the cable winding transmission mechanism synchronously move, so that the cable winding of the winding disc can be better realized. The integral structure is connected with the existing winch by the arranged handle frame, and the installation is convenient and integral.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the hidden handle rack of the present invention;

FIG. 3 is a schematic structural view of another viewing angle after the flat plate is hidden according to the present invention;

FIG. 4 is a schematic structural view of the combination of the continuous wire take-up assembly, the intermittent wire take-up assembly, the switching assembly and the pulley assembly;

FIG. 5 is a schematic structural view of the take-up transmission mechanism;

FIG. 6 is a schematic structural diagram of a switching assembly;

FIG. 7 is a schematic structural diagram of the reset module and the switching module after combination;

FIG. 8 is a schematic diagram of the reset assembly in operation;

fig. 9 is a schematic view of the structure of the present invention installed in a winch.

The labels in the figure are:

an upper plane mounting area 02; a lower planar mounting area 03; a plate body connecting piece 004; a frame body connector 005; a reciprocating translation drive assembly 340; a cable winder 400; a cable winder base plate 430; a rail slip balancing assembly 431; a reciprocating guide groove 432; a slide guide 433; a motor synchronous moving assembly 510; a take-up motor 520; a moving link 530; a take-up transmission mechanism 540; a continuous take-up assembly 5410; the wire takeup member mounting bracket 5411; a movable shaft 5412; a first sync wheel 5413; a second sync wheel 5414; a first synchronization belt 5415; a back support seat 5416; an intermittent take-up assembly 5420; a single-stage flywheel 5421; a cam 5422; the reciprocating chain belt 5423; kidney shaped hole 5424; a switching component 5430; a limit lift lever 5431; a slider seat 5432; a switching slider 5433; a switching knob 5434; a synchronous belt tensioning mechanism 5400; a first tensioning wheel 5401; a transfer arm 5402; a lifting elastic part 5403; a wire take-up actuation assembly 5440; a third synchronizing wheel 5441; an adapter 5442; a fourth synchronizing wheel 5443; a second timing belt 5444; a tension wheel 5445; an extension mounting plate 5446; a synchronous transmission kit 5447; an automatic disconnect mechanism 550; a movable through hole 551; a resilient shaft mount 552; a reset component 553; a reset waist hole 554; the push block 555 is reset; a guide movable shaft 556; reset rotary switch 557; a fixed mounting block 558; a tension spring 559; a main body support 100; a butt plate 610; a pulley kit 700; a universal joint 701; a pulley 702; a wire diameter matching piece 703; a locking rotary switch 704; a wire guide 705; an air-blowing assembly 800; a drying box 801; a strong air blower 802.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which:

example 1

As shown in fig. 1 to 9, an automatic protection mechanism for a cable winch is installed in a winch on the market after size adaptation, the winch increases the function of removing the attached water on the outer surface of the cable after installation, and increases two take-up modes, namely a continuous take-up mode and an intermittent take-up mode, wherein the two take-up modes mainly cooperate with the winch to remove the attached water on the outer surface of the cable, the continuous take-up mode is applied to the condition that the attached water on the outer surface of the cable is not much, the intermittent take-up mode is applied to the condition that the attached water on the outer surface of the cable is much, the protection function of disconnecting the take-up after the cable line of a mechanical structure is blocked is increased, the automatic protection mechanism comprises a main body support 100 connected with the winch, a motor synchronous moving component 510 arranged on the upper part of the main body support 100 and a take-up motor 520 arranged on the motor synchronous moving component 510, a reciprocating translation transmission component 340 arranged on the lower part of the main body support 100 and controlling the transverse reciprocating movement of the motor 520, a take-up transmission mechanism 540 connected with an output shaft of the take-up motor, and an automatic disconnection mechanism 550 triggered by the increase of traction resistance in the take-up process.

A cable winding device 400 is arranged below the wire take-up transmission mechanism 540, an air blowing component 800 for removing water attached to the outer surface of the cable is arranged in front of the cable winding device 400, and the air blowing component 800 consists of a drying box 801 and a plurality of powerful fans 802 arranged on the upper part of the drying box 801;

the cable winder 400 further includes a cable winder base plate 430 connected to the winch; the cable winder base plate 430 is integrally plate-shaped and is provided with an obtuse-angle folded edge, an upper plane mounting area and a lower plane mounting area are formed after the folded edge, a group of rail sliding balance assemblies 431 are arranged in the upper plane mounting area 02, a long-strip-shaped reciprocating guide groove 432 is arranged in the lower plane mounting area 03, the section of the edge of the reciprocating guide groove 432 is arc-shaped, and a sliding guide part 433 which is matched with the arc and can closely slide is arranged in the arc-shaped edge; when the cable flows in the through hole, the cylinder can have certain swing amplitude under the support of the flexible support part so as to reduce the vibration caused by the flow of the cable;

the guide 433 that slides links firmly through setting up the slider that plate body connecting piece 004 and track balanced subassembly 431 that slides, and guide 433 center that slides is the cylinder, and the cylinder center is equipped with the perforation that supplies the cable to pass through, and the border at hole both ends has circular arc chamfer, and the cylinder is global then to be equipped with a plurality of flexible support spare.

The top of the drying box 801 is provided with a long strip-shaped opening for the movement of the plate body connecting piece 004, and the bottom of the drying box 801 is provided with a plurality of drainage holes.

The automatic protection mechanism further comprises a movable connecting piece 530, one end of which is fixedly connected with a sliding block in the motor synchronous moving assembly 510, and the other end of which is fixedly connected with a screw nut in the reciprocating translation transmission assembly 340; the moving connector 530 passes through the flat plate 610, and an elongated opening for moving the moving connector 530 is provided at a corresponding position of the flat plate 610.

The wire take-up transmission mechanism 540 comprises a continuous wire take-up assembly 5410, an intermittent wire take-up assembly 5420, a switching assembly 5430 for switching the continuous wire take-up assembly and the intermittent wire take-up assembly 5420, and a wire take-up actuating assembly 5440;

the continuous wire take-up assembly 5410 comprises a wire take-up assembly mounting rack 5411 which is substantially H-shaped and fixedly connected with a sliding block in the track sliding balance assembly 431, a movable shaft 5412 arranged in the wire take-up assembly mounting rack 5411, a first synchronizing wheel 5413 arranged in the movable shaft 5412, a second synchronizing wheel 5414 fixedly connected with an output shaft of the wire take-up motor 520, and a first synchronizing belt 5415 which is in belt transmission connection with the first synchronizing wheel 5413 and the second synchronizing wheel 5414; the take-up motor 520 is started to drive the second synchronous wheel 5414 to rotate, then the first synchronous belt 5415 drives the first synchronous wheel 5413 to rotate, and the first synchronous wheel 5413 drives the movable shaft 5412 to rotate, so that continuous transmission is realized; the lower part of the feed screw nut is fixedly connected with the take-up component mounting rack 5411 through a rack body connecting piece 005;

the intermittent wire take-up assembly 5420 comprises a single-stage flywheel 5421 arranged in a movable shaft 5412, a cam 5422 fixedly connected with an output shaft of the wire take-up motor 520, and a reciprocating chain belt 5423 for performing one-way chain transmission connection on the single-stage flywheel 5421 and the cam 5422; the single-stage flywheel 5421 is set to be effective in clockwise rotation and idle in counterclockwise rotation; the reciprocating chain belt 5423 is integrally long-strip-shaped, one end of the reciprocating chain belt 5423 is a single-sided strip, the other end of the reciprocating chain belt is a rectangular frame body with three sides, a section of chain belt matched with the tooth form of the single-stage flywheel 5421 is fixedly arranged in the frame body, the frame body is provided with a long-strip-shaped waist-shaped hole 5424 on the side surface opposite to the strip, the waist-shaped hole 5424 is used for limiting, so that the hinged point of the reciprocating chain belt 5423 and the cam 5422 circularly changes along with the rotating position of the cam 5422 after the cam 5422 rotates, namely, the reciprocating chain belt 5423 is limited by the waist-shaped hole 5424, and the intermittent transmission is realized on the single-stage flywheel 5421, namely the single-stage flywheel 5421 drives the movable shaft 5412 to effectively rotate when the reciprocating chain belt 5423 is pulled backwards during idling of the reciprocating chain belt 5423 when the reciprocating chain belt 5423 is pushed forwards;

as shown in fig. 6 to 8, the switching assembly 5430 includes a limit lifting rod 5431 connected in a waist-shaped hole 5424 with one end capable of sliding, a slider seat 5432 arranged in the wire take-up assembly mounting rack 5411, a switching slider 5433 arranged in the slider seat 5432, and a switching knob 5434 arranged above the slider seat 5432 and in threaded connection with the slider seat 5432; the thread end of the switching knob 5434 is connected with the switching slider 5433, the other end of the limiting lifting rod 5431 is connected with the switching slider 5433, the switching slider 5433 can slide up and down along the slider seat 5432 by rotating the switching knob 5434, the limiting lifting rod 5431 moves synchronously, and the reciprocating chain belt 5423 is driven by the limiting lifting rod 5431 to move up and down, so that the engagement or separation between the reciprocating chain belt 5423 and the single-stage flywheel 5421 is realized; the inner side and the outer side of the limit lifting rod 5431, which are matched with the waist-shaped hole 5424, are provided with baffle pieces, so that the reciprocating chain belt 5423 can be relatively stable in push-and-pull action.

The switching component 5430 further comprises a synchronous belt tensioning mechanism 5400 arranged in the take-up component mounting rack 5411, wherein the synchronous belt tensioning mechanism 5400 comprises a first tensioning wheel 5401 pressed against the first synchronous belt 5415, a switching arm 5402 with one end rotatably connected with the first tensioning wheel 5401 and the other end provided with a rolling shaft, and a lifting elastic part 5403 in clearance fit with the rolling shaft of the switching arm 5402; the middle part of the switching arm 5402 is hinged with the wire take-up component mounting rack 5411, and one side of the hinged point close to the first tensioning wheel 5401 is provided with an elastic piece 5404 which is pressed against the switching arm 5402; the elastic piece 5404 enables the first tensioning wheel 5401 to always press against the first synchronous belt 5415 and enables the rolling shaft of the switching arm 5402 to be in contact with the upper part and the lower part of the lifting elastic part 5403 to leave a gap, and the gap provides an elastic space for the first tensioning wheel 5401, so that the tensioning degree can be changed along with the change of the belt stress; here, the first synchronous belt 5415 is in a relaxed state in a state where the first tension wheel 5401 is not sufficiently compressed;

switching assembly 5430 in use:

the switching assembly 5430 has the overall function of switching between the continuous transmission of the continuous take-up assembly 5410 and the intermittent transmission of the intermittent take-up assembly 5420, specifically, by rotating the switching knob 5434 clockwise, the switching slider 5433 moves upwards, the lifting slack 5403 abuts against the roller of the switching arm 5402, and moves towards the inner side of the lifting slack 5403 along with the continuous upwards movement of the switching slider 5433, and the first tensioner 5401 on the switching arm 5402 starts to press the first synchronous belt 5415 until the first synchronous belt 5415 is pressed, that is, the first synchronous belt 5413 and the second synchronous belt 5414 form effective transmission, the reciprocating chain 5423 is continuously lifted upwards by the flywheel lifting rod 5431 during the upwards movement of the switching slider 5433, and the reciprocating chain 5423 is completely separated from the first synchronous belt 5421 when the first synchronous belt 5401 is completely pressed, at this time, the continuous transmission mode is achieved, otherwise, the reverse rotation of the switching knob 5434 can achieve the switching of the chain 5423 and the flywheel 21 into the intermittent transmission mode, and the corresponding single-stage synchronous belt 5415 returns to the loose state, and returns to the second synchronous belt 5414.

A back support seat 5416 is arranged on one side of the wire take-up component mounting rack 5411 facing the rack body connecting piece 005, and the movable shaft 5412 is arranged in front of the back support seat 5416;

the automatic disconnect mechanism 550 includes movable through holes 551 provided in both side walls of the wire take-up assembly mounting bracket 5411, an elastic shaft seat 552 hinged in the back support seat 5416; the movable through hole 551 is used for installing the movable shaft 5412, the movable through hole 551 is generally in the shape of an inclined heart, the inclined angle is a transition downward extension, the purpose is to guide the movable shaft 5412 to move downward under the action of pulling force, the position of the hinge point of the elastic shaft seat 552 is higher than the axis of the movable shaft 5412, namely, the elastic shaft seat 552 presses the movable shaft 5412 against the upper part of the inclined heart of the movable through hole 551 with inclination from top to bottom in a normal state, and the further elastic shaft seat 552 is arranged between the first synchronous wheel 5413 and the single-stage flywheel 5421, so that unbalance generated when the two are overcome on the elastic shaft seat 552 is relatively small; in this embodiment, since the pushing force of the elastic shaft seat 552 on the movable shaft 5412 and the pulling force of the first synchronous belt 5415 and the reciprocating chain belt 5423 are not on the same straight line, the movable shaft 5412 will be inclined and fall when the pulling force is larger than the supporting force and the interaction is performed, and under the condition that the design of the clamping point at the joint of the upper part and the lower part of the movable through hole 551 is relatively small, one end of the movable shaft 5412 will be first driven by the pulling force and fall into the lower part of the movable through hole 551, and the other end will also fall into the lower part of the movable through hole 551 successively under the small pulling force of the clamping point.

The automatic disconnect mechanism 550 also includes a reset assembly 553 forward of the movable shaft 5412; the resetting assembly 553 comprises a resetting waist hole 554 arranged on one side wall of the wire collecting assembly mounting rack 5411 and positioned obliquely below the movable through hole 551, a resetting push block 555 attached to the inner side wall of the wire collecting assembly mounting rack 5411, a guiding movable shaft 556 with one end passing through the resetting push block 555 and partially exposed and the other end movably arranged in the resetting waist hole 554 and partially exposed, a resetting rotary switch 557 arranged in front of the wire collecting assembly mounting rack 5411, a fixed mounting block 558 used for mounting the resetting rotary switch 557, two tension springs 559 arranged at two ends of the guiding movable shaft 556, and a guide plate 555a arranged at the lower part of the resetting push block 555 and fixed on the inner side wall of the wire collecting assembly mounting rack 5411;

an inclined plane is arranged in front of the reset push block 555, two idler wheels are arranged at the lower part of the reset push block 555, the two idler wheels are arranged on the upper surface of the guide plate 555a, one ends of two tension springs 559 are respectively connected with two ends of the guide movable shaft 556, and the other ends of the two tension springs 559 are connected with two ends of the fixed mounting block 558; the reset rotary switch 557 is hinged with the reset push block 555; the purpose of the arrangement is that when the automatic disconnecting mechanism 550 is in an off state, that is, the movable shaft 5412 falls on the lower portion of the movable through hole 551, the return waist hole 554 and the guide plate 555a are horizontally arranged, and the other ends of the return waist hole 554 and the guide plate 555a are inclined upward by the same angle, and the arrangement is such that when the automatic disconnecting mechanism 550 is in an off state, that is, the movable shaft 5412 is located at the lower portion of the movable through hole 551, the return rotation switch 557 is rotated to return, as shown in fig. 8, the return push block 555 pushes the return push block 555 to move forward against the movable shaft 5412 indicated by a dotted line in fig. 8 against the pulling force of the two tension springs 559, and the return push block 555 pushes the movable shaft 5412 to move forward by continuing to rotate the lower return push block 555, and at this time, the guide movable shaft 556 is inclined upward integrally under the guide of the guide plate 555a and the return waist hole 554, so as to move the movable shaft 5412 upward until the movable shaft 5412 reenters the upper portion of the movable through hole 551 to complete the return. The reset rotary switch 557 is rotated in the reverse direction to return the reset push block 555 to the initial position. It should be noted that in the case of using the elastic shaft seat 552 with a larger elastic force, the resetting member 553 is further disposed on the other side wall of the wire retrieving member mounting rack 5411 as shown in fig. 3, so that both sides operate simultaneously during the resetting action to complete the resetting more easily.

The automatic disconnect mechanism 550 is in use:

when the cable is taken up, when the cable is held by foreign matters, the force of the first synchronous belt 5415 or the reciprocating chain belt 5423 is increased, so that the movable shaft 5412 moves upwards along the movable through hole 551 against the pressing of the elastic shaft seat 552, that is, the movable shaft 5412 is separated from the original stable position and pressed by the elastic shaft seat 552 under the guide of the movable through hole 551 and the self weight of the movable shaft 5412 and the upper part of the component, the movable shaft 5412 enters the lower position of the movable through hole 551, the matching relationship of elastic pressing of the tensioning wheel 5445 and the second synchronous belt 5444 provides a movable space for the action, after the movable shaft 5412 enters the lower position of the movable through hole 551, the position of the third synchronous wheel 5441 moves downwards, so that the second synchronous belt 5444 is in a failure state, and the taking-up stops at the moment, and the cable is protected.

The wire take-up executing assembly 5440 comprises a third synchronizing wheel 5441 arranged in a movable shaft 5412, a switching shaft 5442 arranged at the lower part of a wire take-up assembly mounting rack 5411, a fourth synchronizing wheel 5443 arranged in the switching shaft 5442, a second synchronizing belt 5444 for performing belt transmission connection on the third synchronizing wheel 5441 and the fourth synchronizing wheel 5443, a tension wheel 5445 for the second synchronizing belt 5444, an extension mounting plate 5446 arranged at the lower part of the wire take-up assembly mounting rack 5411, a synchronous transmission kit 5447 arranged between the end part of the extension mounting plate 5446 and the switching shaft 5442, and two sets of transmission wheel kits 700 arranged at two sides of the end part of the extension mounting plate 5446;

the transmission wheel kit 700 comprises a universal rotating joint 701, one end of which is coaxially connected with a synchronous wheel of the synchronous transmission kit 5447, a transmission wheel 702 which is rotatably installed on the extension installation plate 5446, the other end of the universal rotating joint 701 is connected with the transmission wheel 702, a wire diameter matching piece 703 arranged on one side of the transmission wheel 702 facing to the frame body connecting piece 005, a locking rotary switch 704 for locking the wire diameter matching piece 703, and an arc-shaped wire guide groove 705 which is arranged on the extension installation plate 5446 and corresponds to the lower part of the wire diameter matching piece 703; the front part of the wire diameter matching piece 703 is provided with a rotatable press shaft, the center of the wire diameter matching piece 703 is provided with a longitudinal waist hole, and the waist hole is used for adjusting the distance between the press shaft and the conduction wheel 702 to control the tightness of the cable and then is locked by a locking rotary switch 704. The arrangement of the universal rotary joint 701 enables the guide wheels 702 to have a certain range of rotation each when the cable winder 400 moves to transmit the cable more smoothly.

The procedure steps of use integrated in the installation of the winch, as shown in fig. 9, after installation:

1. the upper part of a screw nut in the reciprocating translation transmission assembly 340 is fixedly connected with a movable connecting piece 530, the lower part of the screw nut is fixedly connected with a wire take-up assembly mounting rack 5411 through a rack body connecting piece 005, after a driving motor in the reciprocating translation transmission assembly 340 drives a screw rod to rotate, the screw nut drives the movable connecting piece 530 and the wire take-up assembly mounting rack 5411 to correspondingly move transversely, namely, the cable winding displacement device 400, the wire take-up motor 520, the wire take-up transmission mechanism 540 and the automatic disconnecting mechanism 550 synchronously move under the control of the motor, namely, when in paying off, a wire diameter adjusting matching piece 703 only plays a transition transmission role in the transmission wheel 702, and the cable winding displacement device 400 moves back and forth in sequence according to the corresponding paying off speed;

2. when the cable is taken up, the two cable diameter matching pieces 703 are tightened, an intermittent take-up mode or a continuous take-up mode is selected according to the condition that water is attached to the surface of the cable, and the taken-in cable is air-dried by the air blowing assembly 800 and then sequentially transversely moved back and forth by the cable winder 400 according to the corresponding paying-off speed to be matched with the winch to complete the taking-in;

3. when the cable is restrained during the wire winding process, the automatic disconnecting mechanism 550 disconnects the wire winding according to the action principle, and resets the wire winding through the operation steps of the resetting assembly 553 after the wire winding process is completed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (9)

1. The utility model provides an automatic protection mechanism for cable winch, a serial communication port, including main part support (100) be connected with the capstan winch, set up motor synchronous motion subassembly (510) and line motor (520) of receiving of setting on motor synchronous motion subassembly (510) on main part support (100) upper portion, set up reciprocal translation drive assembly (340) of controlling line motor (520) horizontal reciprocating motion of receiving in main part support (100) lower part, receive line drive mechanism (540) with receiving line motor (520) output shaft, receive automatic disconnection mechanism (550) that the increase of drag reached the limit value and triggered at the line in-process.

2. The automatic protection mechanism for cable winches of claim 1, wherein a cable winder (400) is provided below said take-up transmission mechanism (540), said cable winder (400) further comprising a cable winder base plate (430) connected to the winch; the cable winder base plate (430) is integrally plate-shaped and is provided with an obtuse-angle folded edge, an upper area and a lower area are formed after the folded edge, a group of rail sliding balance assemblies (431) are arranged in an upper plane mounting area (02), a strip-shaped reciprocating guide groove (432) is arranged in a lower plane mounting area (03), the section of the edge of the reciprocating guide groove (432) is arc-shaped, and a sliding guide part (433) which is matched with the arc and can slide tightly is arranged in the arc-shaped edge;

the slider that guide (433) slided through setting up plate body connecting piece (004) and track balance assembly (431) links firmly, and guide (433) center of sliding is the cylinder, and the cylinder center is equipped with the perforation that supplies the cable to pass through, and the border at hole both ends has circular arc chamfer, and the cylinder is global then to be equipped with a plurality of flexible support piece.

3. The automatic protection mechanism for a cable winch according to claim 2, wherein the wire take-up transmission mechanism (540) comprises a continuous wire take-up assembly (5410) and an intermittent wire take-up assembly (5420) and a switching assembly (5430) for switching the two, and further comprises a wire take-up actuator assembly (5440).

4. The automatic protection mechanism for a cable winch according to claim 3, wherein the continuous take-up assembly (5410) comprises a substantially H-shaped take-up assembly mounting bracket (5411) fixedly connected to the slider in the track sliding balance assembly (431), a movable shaft (5412) mounted in the take-up assembly mounting bracket (5411), a first synchronizing wheel (5413) mounted in the movable shaft (5412), a second synchronizing wheel (5414) fixedly connected to the output shaft of the take-up motor (520), and a first synchronizing belt (5415) belt-drive-connecting the first synchronizing wheel (5413) and the second synchronizing wheel (5414); the lower part of a screw nut in the reciprocating translation transmission assembly (340) is fixedly connected with a wire take-up assembly mounting rack (5411) through a rack body connecting piece (005);

the intermittent wire take-up assembly (5420) comprises a single-stage flywheel (5421) arranged in a movable shaft (5412), a cam (5422) fixedly connected with an output shaft of the wire take-up motor (520), and a reciprocating chain belt (5423) which is used for carrying out one-way chain transmission connection on the single-stage flywheel (5421) and the cam (5422); the single-stage flywheel (5421) is set to be effective in clockwise rotation and idle in anticlockwise rotation; the reciprocating chain belt (5423) is integrally long-strip-shaped, one end of the reciprocating chain belt is a single-sided batten, the section of the other end of the reciprocating chain belt is a rectangular frame body with three sides, a section of chain belt matched with the tooth form of the single-stage flywheel (5421) is fixedly arranged in the frame body, and the side surface of the frame body opposite to the batten is provided with a long-strip waist-shaped hole (5424).

5. The automatic protection mechanism for cable reels as claimed in claim 4, characterized in that said switching assembly (5430) comprises a limit lifting lever (5431) with one end slidably connected in a waist-shaped hole (5424), a slider seat (5432) provided in the take-up assembly mounting frame (5411), a switching slider (5433) mounted in the slider seat (5432), a switching knob (5434) provided above the slider seat (5432) and both screwed; the thread end of the switching knob (5434) is connected with the switching slider (5433), and the other end of the limiting lifting rod (5431) is connected with the switching slider (5433);

the switching assembly (5430) further comprises a synchronous belt tensioning mechanism (5400) arranged in the take-up assembly mounting frame (5411), the synchronous belt tensioning mechanism (5400) comprises a first tensioning wheel (5401) pressed against the first synchronous belt (5415), a switching arm (5402) with one end rotatably connected with the first tensioning wheel (5401) and the other end provided with a rolling shaft, and a lifting elastic part (5403) in clearance fit with the rolling shaft of the switching arm (5402); the middle part of the transfer arm (5402) is hinged with the wire take-up component mounting rack (5411), and one side of the hinged point close to the first tensioning wheel (5401) is provided with an elastic piece (5404) which is pressed against the transfer arm (5402); the elastic piece (5404) enables the first tension wheel (5401) to be always pressed against the first synchronous belt (5415) and enables the rolling shaft of the transfer arm (5402) to be in contact with the upper part and the lower part of the lifting elastic part (5403) to leave a gap.

6. The automatic protection mechanism for cable reels as claimed in claim 5, characterized in that said take-up assembly mounting bracket (5411) is provided with a back support seat (5416) at a side thereof facing the frame connection member (005), the movable shaft (5412) being arranged in front of the back support seat (5416);

the automatic disconnecting mechanism (550) comprises movable through holes (551) arranged in two side walls of the wire collecting component mounting rack (5411) and an elastic shaft seat (552) hinged in the back supporting seat (5416); the movable through hole (551) is used for installing the movable shaft (5412), and the hinge point position of the elastic shaft seat (552) is higher than the axis of the movable shaft (5412);

the automatic disconnect mechanism (550) further includes a reset assembly (553) forward of the movable shaft (5412); reset assembly (553) including set up on receiving line assembly mounting bracket (5411) a lateral wall and be located the waist hole (554) that resets below that activity through-hole (551) are oblique, paste and lean on push block (555) that resets at receiving line assembly mounting bracket (5411) inside wall, one end is passed and is reset push block (555) and partly expose the other end mobilizable install in waist hole (554) that resets and partly exposed direction loose axle (556), install reset rotary switch (557) in receiving line assembly mounting bracket (5411) the place ahead, a fixed mounting piece (558) for installing reset rotary switch (557), set up two tension spring (559) at direction loose axle (556) both ends, set up at push block (555) lower part that resets and fix deflector (555 a) on receiving line assembly mounting bracket (5411) inside wall.

7. The automatic protection mechanism for the cable winch according to claim 6, wherein the reset push block (555) has an inclined surface in front and two rollers at the lower part, the two rollers are installed on the upper surface of the guide plate (555 a), one end of each of the two tension springs (559) is connected to the two ends of the guide movable shaft (556), and the other end of each of the two tension springs (559) is connected to the two ends of the fixed installation block (558); the reset rotary switch (557) is hinged with the reset push block (555); one end of the reset waist hole (554) and one end of the guide plate (555 a) close to the reset rotary switch (557) are horizontally arranged, and the other ends are inclined upwards at the same angle.

8. The automatic protection mechanism for cable reels of claim 1, characterized in that said main body support (100) comprises two side handles and a middle butt plate (610).

9. The automatic protection mechanism for cable reels of claim 8, further comprising a movement connector (530) having one end fixed to the slider of the motor synchronous movement assembly (510) and the other end fixed to the lead screw nut of the reciprocating translation transmission assembly (340); the movable connecting piece (530) penetrates through the flat connecting plate (610), and a long-strip-shaped opening for the movable connecting piece (530) to move is arranged at the corresponding position of the flat connecting plate (610).

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