CN111792550B - Prevent running and grind safety arrangement and have its hank and grind - Google Patents
Prevent running and grind safety arrangement and have its hank and grind Download PDFInfo
- Publication number
- CN111792550B CN111792550B CN202010652000.5A CN202010652000A CN111792550B CN 111792550 B CN111792550 B CN 111792550B CN 202010652000 A CN202010652000 A CN 202010652000A CN 111792550 B CN111792550 B CN 111792550B
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- rotating shaft
- wire rope
- sides
- protection device
- safety protection
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 238000005299 abrasion Methods 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 14
- 238000005457 optimization Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B66D1/28—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
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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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
- B66D1/54—Safety gear
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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
Abstract
The invention discloses an anti-running and anti-abrasion safety protection device, wherein shells on two sides are connected through a connecting bolt, and a steel wire rope is arranged in a gap between the shells on the two sides; the gyro wheel setting is inside the mounting groove, and the gyro wheel contacts with wire rope, and the upper and lower both sides of mounting groove are equipped with first spout, and first spout is arranged to right front direction slope by left back. The invention also discloses a winching with the anti-running safety protection device, which comprises a base, vertical plates arranged at two sides of one end of the base, a second rotating shaft arranged between the vertical plates at the two sides, a winding drum sleeved outside the second rotating shaft and the anti-running safety protection device. When the winch works normally, the idler wheels are in contact with the steel wire rope, when the winch runs away, the steel wire rope moves reversely, the idler wheels slide to the other side of the first sliding groove under the guiding action of the first sliding groove under the friction force of the steel wire rope, so that the distance between the idler wheels on two sides is reduced, and meanwhile, the idler wheels generate extrusion force on the steel wire rope, and the winch runs away.
Description
Technical Field
The invention belongs to the technical field of rope motion direction control, and particularly relates to a running and grinding prevention safety protection device and a winching with the same.
Background
Winching is one of the most common mechanical devices in power transmission line construction. The traction device is mainly used for traction operation and widely applied to various procedures of line construction, such as: erecting an iron tower, tightening a wire and erecting an optical cable.
The grinding mill is in the field construction in-process, and the unexpected condition that appears is basically all to run the mill, and the meaning of running the mill is: when the winching machine is used for normal traction, the traction rope wound on the winching machine is rapidly withdrawn in the opposite direction due to certain uncontrollable reasons. If the grinding phenomenon occurs, the winching device loses the effect, the traction rope can be quickly withdrawn to drive the spool to quickly move towards the winching direction, and if the field personnel can not hide in time, the field personnel can be injured and even die.
The winching machine is generally provided with braking devices of different forms, and mainly comprises a set of auxiliary braking device (working when a clutch is opened) and a set of braking device (working when abnormal backing occurs, consisting of a bearing and a roller and immersed in oil of a gearbox); in the actual use process, the access speed of the braking device can be influenced by the viscosity of the oil of the gearbox, and particularly, the braking device is more easily influenced when used in a plateau low-temperature environment, and the braking device does not work or intervenes untimely when the winch is abnormally backed up (running and grinding) easily occurs, so that safety accidents are caused. Therefore, a safety device which can effectively play a role of secondary protection under the condition that the brake device does not work is lacked, and the occurrence of safety accidents is avoided.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an anti-running safety protection device, wherein rollers are arranged in a shell, first rotating shafts at two ends of each roller are arranged in first chutes which are obliquely arranged, the rollers are in contact with a steel wire rope during normal operation, the steel wire rope reversely jumps during running of the winching, the rollers slide to the other side of the first chute under the guiding action of the first chute by the friction force of the steel wire rope, so that the distance between the rollers at two sides is reduced, and meanwhile, the rollers generate extrusion force on the steel wire rope, thereby avoiding running of the winching.
In order to achieve the purpose, the invention adopts the technical scheme that:
the anti-running and anti-abrasion safety protection device comprises a shell and rollers which are symmetrically arranged, wherein anchor holes are formed in two ends of the shell, fixing bolts are arranged in the anchor holes, the shells on two sides are connected through connecting bolts, and steel wire ropes are arranged in gaps between the shells on two sides; the middle part of the shell is provided with a mounting groove, the roller is arranged in the mounting groove and is in contact with the steel wire rope, the upper side and the lower side of the mounting groove are provided with first sliding grooves, the first sliding grooves are obliquely arranged from left to right in the front direction, and first rotating shafts on the two sides of the roller are slidably arranged in the first sliding grooves; during normal operation, the idler wheel is in contact with the steel wire rope, when the winching running mill is carried out, the steel wire rope moves reversely, the idler wheel slides to the other side of the first sliding groove under the guiding action of the first sliding groove under the friction force of the steel wire rope, the distance between the idler wheels on the two sides is reduced, so that the idler wheels generate extrusion force on the steel wire rope, the smaller the distance between the idler wheels is, the larger the extrusion force is, and the winching running mill is avoided.
As a further optimization of the technical scheme, the shell is provided with round corners at the positions of the steel wire rope inlet and the steel wire rope outlet, so that the abrasion of the shell to the steel wire rope is reduced.
As a further optimization of the technical scheme, a plurality of anti-skid protrusions which are uniformly distributed are arranged on the outer surface of the roller, the anti-skid protrusions increase the friction force between the roller and the steel wire rope, and the extrusion force of the roller on the steel wire rope during running and grinding is ensured; a plurality of grooves are formed in one side of the shell, a plurality of auxiliary rollers are arranged in the grooves, two ends of each auxiliary roller are rotatably arranged at two ends of each groove, and the outer surfaces of the auxiliary rollers protrude out of one side of the shell; the auxiliary roller avoids sliding friction between the steel wire rope and the shell, and further reduces abrasion of the steel wire rope.
As a further preference of the technical scheme, a threaded hole is formed in the shell, the threaded hole is communicated with the first sliding groove, an adjusting bolt is arranged in the threaded hole, a first spring is arranged at one end of the adjusting bolt, one end of the first spring abuts against the adjusting bolt, the other end of the first spring abuts against a first rotating shaft of the roller, when the steel wire rope is normally pulled, the first spring plays a role in buffering and damping the roller, when the steel wire rope moves reversely, the elastic force of the first spring presses the first rotating shaft to slide towards the other end of the first sliding groove, and the braking effect of the safety protection device is ensured; the adjusting bolt is used for adjusting the compression amount of the first spring so as to adjust the elastic force of the first spring; in order to facilitate quick adjustment without tools, the adjusting bolt is a claw head bolt.
According to another aspect of the present invention, there is provided a winching with a safety protection device for preventing mill running, comprising a base, two vertical plates disposed on two sides of one end of the base, a second rotating shaft disposed between the vertical plates on the two sides, and a winding drum sleeved outside the second rotating shaft; a motor is arranged on the vertical plate on one side, a speed reducer (not shown in the figure) is arranged on one side of the motor, an output shaft of the speed reducer is connected with the second rotating shaft, and an anti-reversion mechanism is arranged on the vertical plate on the other side and connected with the second rotating shaft; a plurality of trays are arranged on one side of the vertical plate, mounting holes corresponding to the anchor holes are formed in the trays, and the anti-abrasion safety protection device is mounted on the trays through fixing bolts; after the steel wire rope is wound by 5-8 circles on the winding drum, the tail of the steel wire rope passes through the inside of the anti-running and anti-abrasion safety protection device; the anti-reverse mechanism comprises a ratchet wheel arranged at one end of the second rotating shaft and a pawl arranged at one side of the ratchet wheel, wherein an L-shaped connecting plate is arranged at one side of the pawl, one end of the L-shaped connecting plate is fixedly connected with the vertical plate, the pawl is movably arranged on the vertical plate through a pin shaft, and the other end of the pin shaft is movably arranged on the L-shaped connecting plate; when the second rotating shaft rotates reversely, the pawl interferes with the ratchet on the ratchet wheel, so that the second rotating shaft is prevented from rotating reversely, and grinding running are avoided; when the winching mill normally works, the motor drives the second rotating shaft to rotate through the speed reducer, so that the winding drum is driven to rotate, and the steel wire rope is used for traction; when the steel wire rope is reversed, the plurality of anti-abrasion safety protection devices brake the steel wire rope at the same time, so that abrasion is avoided.
As a further preferred option of the technical scheme, a fixed block is arranged on one side of the vertical plate, a guide hole is arranged in the fixed block, a slide rod is slidably arranged in the guide hole, a slide block is arranged at the lower end of the slide rod, connecting rods are arranged on two sides of the lower end of the slide block, the upper end of each connecting rod is hinged with the corresponding slide block, and the lower end of each connecting rod is hinged with the front part of the corresponding pawl; the second spring is arranged in the guide hole, the upper end of the second spring is fixedly connected with the upper wall of the guide hole, the lower end of the second spring is fixedly connected with the sliding rod, and the pawl is kept in contact with the ratchet wheel through the elastic force of the second spring, so that the braking effect of the anti-reverse mechanism is guaranteed.
As the further preferred of this technical scheme, the fixed block both sides are equipped with the joint arch, the slider both sides are equipped with the buckle with the protruding matched with of joint, when the hank grinds needs the time of reversing, take out the steel wire rope tail from preventing running and grinding installation protection device to with buckle and the protruding lock of joint, the slider lifts up the pawl front end through the connecting rod, makes the pawl lose effect to the ratchet, thereby has avoided preventing running and grinding safety arrangement and prevent the braking of reversal mechanism.
As a further preferred option of the technical solution, a third rotating shaft is arranged at the lower part of the tray, the upper end of the third rotating shaft is fixedly connected with the tray, the lower end of the third rotating shaft is rotatably mounted on the base through a bearing, a through second chute is arranged at one side of the tray, the second chute corresponds to the first chute in position, the second chutes of adjacent trays are positioned at the same side or are arranged in a staggered manner, a first rotating shaft at the lower end of the roller sequentially penetrates through the first chute and the second chute and extends out of the lower end of the tray, a Y-shaped shifting fork is arranged at one side of the third rotating shaft, and the extended first rotating shaft is positioned inside the Y-shaped shifting fork; when the first pivot of gyro wheel slides in first spout, Y shape shift fork is stirred in the first pivot of one side and is rotated, drive the third pivot and rotate, thereby make the tray rotate certain angle, when second spout on adjacent tray lies in same one side, the tray rotates to the same direction, make the inside wire rope of anti-running and grinding safety arrangement be the broken line and arrange, when second spout staggered arrangement on adjacent tray, adjacent tray rotates to opposite direction, make the inside wire rope of anti-running and grinding safety arrangement be the S-shaped and arrange, the braking effect of anti-running and grinding safety arrangement has further been strengthened.
As a further optimization of the technical scheme, the lower portion of the tray is provided with a plurality of supporting rods, the stability of the tray is enhanced through the supporting rods, supporting wheels are arranged at the lower ends of the supporting rods, an annular rail is arranged on one side of the upper portion of the base, the supporting wheels are installed on the annular rail, and the friction force between the supporting rods and the base is reduced through the supporting wheels.
As a further optimization of the technical scheme, riding wheels are arranged at two ends of the tray, the height of each riding wheel is between the upper part and the lower part of each connecting bolt, and the steel wire rope is arranged at the upper parts of the riding wheels, so that the riding wheels not only prevent the steel wire rope from being directly contacted with the tray to cause abrasion, but also prevent the steel wire rope from generating friction on the connecting bolts to damage the threads of the connecting bolts; the mounting holes are waist-shaped holes, so that the distance between the shells can be conveniently adjusted according to the size of the steel wire rope.
The invention has the beneficial effects that:
1) according to the invention, the rollers are arranged in the shell, the first rotating shafts at two ends of the rollers are arranged in the first sliding grooves which are obliquely arranged, the rollers are in contact with the steel wire rope during normal operation, the steel wire rope moves in a reverse direction during grinding and running, the rollers slide to the other side of the first sliding groove under the guiding action of the first sliding groove under the friction force of the steel wire rope, so that the distance between the rollers at two sides is reduced, and meanwhile, the rollers generate extrusion force on the steel wire rope, thereby avoiding grinding and running.
2) The shell is provided with round corners at the positions of the inlet and the outlet of the steel wire rope, so that the abrasion of the shell to the steel wire rope is reduced.
3) The outer surface of the roller is provided with a plurality of anti-skid protrusions which are uniformly distributed, the anti-skid protrusions increase the friction force between the roller and the steel wire rope, and the extrusion force of the roller to the steel wire rope during running and grinding is ensured; a plurality of grooves are formed in one side of the shell, a plurality of auxiliary rollers are arranged in the grooves, two ends of each auxiliary roller are rotatably arranged at two ends of each groove, and the outer surfaces of the auxiliary rollers protrude out of one side of the shell; the auxiliary roller avoids sliding friction between the steel wire rope and the shell, and further reduces abrasion of the steel wire rope.
4) The shell is provided with a threaded hole, the threaded hole is communicated with the first sliding groove, an adjusting bolt is arranged in the threaded hole, one end of the adjusting bolt is provided with a first spring, one end of the first spring is abutted against the adjusting bolt, the other end of the first spring is abutted against a first rotating shaft of the roller, when the steel wire rope is normally pulled, the first spring plays a role in buffering and damping the roller, when the steel wire rope reversely moves, the elastic force of the first spring presses the first rotating shaft to slide towards the other end of the first sliding groove, and the braking effect of the safety protection device is ensured; the adjusting bolt is used for adjusting the compression amount of the first spring so as to adjust the elastic force of the first spring; in order to facilitate quick adjustment without tools, the adjusting bolt is a claw head bolt.
5) When the winching mill normally works, the motor drives the second rotating shaft to rotate through the speed reducer, so that the winding drum is driven to rotate, and the steel wire rope is used for traction; when the steel wire rope is reversed, the plurality of anti-abrasion safety protection devices brake the steel wire rope at the same time, so that abrasion is avoided.
6) A fixed block is arranged on one side of the vertical plate, a guide hole is formed in the fixed block, a slide rod is slidably arranged in the guide hole, a slide block is arranged at the lower end of the slide rod, connecting rods are arranged on two sides of the lower end of the slide block, the upper end of each connecting rod is hinged with the corresponding slide block, and the lower end of each connecting rod is hinged with the front portion of the corresponding pawl; the second spring is arranged in the guide hole, the upper end of the second spring is fixedly connected with the upper wall of the guide hole, the lower end of the second spring is fixedly connected with the sliding rod, and the pawl is kept in contact with the ratchet wheel through the elastic force of the second spring, so that the braking effect of the anti-reverse mechanism is guaranteed.
7) The fixed block both sides are equipped with the joint arch, and the slider both sides are equipped with the buckle with the protruding matched with of joint, when hank grinds the needs the time of falling, take out the steel wire rope tail from preventing running and grind installation protection device to with buckle and the protruding lock of joint, the slider lifts up the pawl front end through the connecting rod, makes the pawl lose the effect to the ratchet, thereby has avoided preventing running and grinding safety protection device and preventing reverse mechanism braking.
8) When the first pivot of gyro wheel slides in first spout, Y shape shift fork is stirred in the first pivot of one side and is rotated, drive the third pivot and rotate, thereby make the tray rotate certain angle, when second spout on adjacent tray lies in same one side, the tray rotates to the same direction, make the inside wire rope of anti-running and grinding safety arrangement be the broken line and arrange, when second spout staggered arrangement on adjacent tray, adjacent tray rotates to opposite direction, make the inside wire rope of anti-running and grinding safety arrangement be the S-shaped and arrange, the braking effect of anti-running and grinding safety arrangement has further been strengthened.
9) The tray lower part is equipped with a plurality of bracing pieces, and the bracing piece has strengthened the stability of tray, and the bracing piece lower extreme is equipped with the supporting wheel, and base upper portion one side is equipped with the circular orbit, and the supporting wheel is installed on the circular orbit, and the supporting wheel has reduced the frictional force between bracing piece and base.
10) Riding wheels are arranged at two ends of the tray, the height of each riding wheel is between the upper part and the lower part of each connecting bolt, and the steel wire rope is arranged at the upper parts of the riding wheels; the mounting holes are waist-shaped holes, so that the distance between the shells can be conveniently adjusted according to the size of the steel wire rope.
Drawings
FIG. 1 is an assembly view of an anti-wear safety protection device of the present invention.
Fig. 2 is a schematic structural view of an anti-abrasion safety protection device of the invention.
FIG. 3 is a partial cross-sectional view of an anti-tracking safety shield of the present invention.
FIG. 4 is a schematic view of a roller structure in the anti-wear safety protection device of the present invention.
FIG. 5 is a schematic view of a grinding structure with a safety protection device for preventing the grinding from escaping.
FIG. 6 is a schematic view of a base structure of a winching machine with a safety protection device for preventing the winching machine from running.
FIG. 7 is a schematic structural diagram of an anti-reverse mechanism in a winching with a running and abrasion prevention safety protection device.
FIG. 8 is a schematic structural view of a tray in a winching machine with a safety protection device for preventing the running and the grinding.
FIG. 9 is a schematic view of a partial structure of a base in a winching device with a safety protection device for preventing the winching device.
FIG. 10 is a schematic turning diagram of a pallet with a second chute of the reamer positioned on the same side of the pallet and having a safety protection device against sliding out.
FIG. 11 is a schematic turning diagram of a pallet with a second chute of the grinding wheel with a safety protection device for preventing the grinding wheel from running when the two sides of the pallet are staggered.
In the figure: 1. a housing; 11. mounting grooves; 12. a roller; 121. a first rotating shaft; 122. anti-skid projections; 13. a first chute; 14. an auxiliary roller; 15. an anchor eye; 16. fixing the bolt; 17. a connecting bolt; 18. a first spring; 19. adjusting the bolt;
2. a base; 21. a vertical plate; 22. a motor; 23. a reel; 24. a second rotating shaft; 25. a reverse rotation prevention mechanism; 251. a ratchet wheel; 252. a pawl; 253. a pin shaft; 254. a connecting rod; 255. a slider; 256. buckling; 257. a slide bar; 258. a second spring; 259. a fixed block; 260. a guide hole; 261. clamping the bulges; 262. an L-shaped connecting plate; 26. a tray; 263. mounting holes; 264. a riding wheel; 265. a second chute; 266. a support wheel; 267. a third rotating shaft; 268. a Y-shaped shifting fork; 269. an annular track;
3. a wire rope;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-2, an anti-abrasion safety protection device comprises a shell 1 and rollers 12 which are symmetrically arranged, wherein anchor holes 15 are formed at two ends of the shell 1, fixing bolts 16 are arranged in the anchor holes 15, the shells 1 at two sides are connected through connecting bolts 17, and steel wire ropes 3 are arranged in gaps between the shells 1 at two sides; the middle part of the shell 1 is provided with a mounting groove 11, the roller 12 is arranged in the mounting groove 11, the roller 12 is contacted with the steel wire rope 3, the upper side and the lower side of the mounting groove 11 are provided with first sliding chutes 13, the first sliding chutes 13 are obliquely arranged from left to right in the front direction, and first rotating shafts 121 on the two sides of the roller 12 are slidably arranged in the first sliding chutes 13; during normal operation, gyro wheel 12 and 3 contacts of wire rope, and when hank ground race, the reverse drunkenness of wire rope 3, gyro wheel 12 receives wire rope 3's frictional force to slide to the opposite side of first spout 13 under the guide effect of first spout 13, makes the interval of both sides gyro wheel 12 reduce to make gyro wheel 12 produce the extrusion force to wire rope 3, the interval of gyro wheel 12 is less, and the extrusion force is big more, thereby has avoided the hank to grind the race.
In this embodiment, the casing 1 is located 3 exit positions of wire rope and all is equipped with the fillet, has reduced the casing 1 to the wearing and tearing of wire rope 3.
As shown in fig. 2-4, in this embodiment, the outer surface of the roller 12 is provided with a plurality of evenly arranged anti-slip protrusions 122, and the anti-slip protrusions 122 increase the friction between the roller 12 and the steel wire rope 3, so as to ensure the extrusion force of the roller 12 on the steel wire rope 3 during running and grinding; a plurality of grooves are formed in one side of the shell 1, a plurality of auxiliary rollers 14 are arranged in the grooves, two ends of each auxiliary roller 14 are rotatably arranged at two ends of each groove, and the outer surfaces of the auxiliary rollers 14 protrude out of one side of the shell 1; the auxiliary roller 14 prevents the wire rope 3 from sliding friction with the housing 1, further reducing the abrasion of the wire rope 3.
As shown in fig. 3, in this embodiment, a threaded hole is formed in the housing 1, the threaded hole is communicated with the first sliding groove 13, an adjusting bolt 19 is arranged inside the threaded hole, a first spring 18 is arranged at one end of the adjusting bolt 19, one end of the first spring 18 abuts against the adjusting bolt 19, the other end of the first spring 18 abuts against a first rotating shaft 121 of the roller 12, when the steel wire rope 3 is normally pulled, the first spring 18 plays a role in buffering and damping the roller 12, and when the steel wire rope 3 runs backwards, the elastic force of the first spring 18 presses the first rotating shaft 121 to slide towards the other end of the first sliding groove 13, so that the braking effect of the safety protection device is ensured; the adjusting bolt 19 is used for adjusting the compression amount of the first spring 18, so as to adjust the elastic force of the first spring 18; in order to facilitate quick adjustment without tools, the adjusting bolt 19 is a claw head bolt.
As shown in fig. 5-7, according to another aspect of the present invention, there is provided a winching with a safety protection device for preventing winching, comprising a base 2, two vertical plates 21 disposed at two sides of one end of the base 2, a second rotating shaft 24 disposed between the two vertical plates 21, and a winding drum 23 sleeved outside the second rotating shaft 24; a motor 22 is arranged on the vertical plate 21 on one side, a speed reducer (not shown in the figure) is arranged on one side of the motor 22, an output shaft of the speed reducer is connected with a second rotating shaft 24, an anti-reverse mechanism 25 is arranged on the vertical plate 21 on the other side, and the anti-reverse mechanism 25 is connected with the second rotating shaft 24; a plurality of trays 26 are arranged on one side of the vertical plate 21, mounting holes 263 corresponding to the anchor holes are formed in the trays, and the anti-abrasion safety protection device is mounted on the trays 26 through fixing bolts 16; after the steel wire rope 3 is wound by 6 circles on the winding drum 23, the tail of the steel wire rope passes through the inside of the anti-running and anti-abrasion safety protection device; the anti-reverse mechanism 25 comprises a ratchet wheel 251 arranged at one end of the second rotating shaft 24 and a pawl 252 arranged at one side of the ratchet wheel 251, an L-shaped connecting plate 262 is arranged at one side of the pawl 252, one end of the L-shaped connecting plate 262 is fixedly connected with the vertical plate 21, the pawl 252 is movably arranged on the vertical plate 21 through a pin shaft 253, and the other end of the pin shaft 253 is movably arranged on the L-shaped connecting plate 262; when the second rotating shaft 24 rotates reversely, the pawl 252 interferes with the ratchet on the ratchet 251, so that the second rotating shaft 24 is prevented from rotating reversely, and the grinding and running are avoided; when the winching machine normally works, the motor 22 drives the second rotating shaft 24 to rotate through the speed reducer, so that the winding drum 23 is driven to rotate, and the steel wire rope 3 is used for traction; when the steel wire rope 3 is reversed, the plurality of anti-abrasion safety protection devices brake the steel wire rope 3 at the same time, so that abrasion is avoided.
As shown in fig. 7, in this embodiment, a fixing block 259 is disposed on one side of the vertical plate 21, a guide hole 260 is disposed inside the fixing block 259, a slide rod 257 is slidably disposed inside the guide hole 260, a slide block 255 is disposed at a lower end of the slide rod 257, a connecting rod 254 is disposed on two sides of a lower end of the slide block 255, an upper end of the connecting rod 254 is hinged to the slide block 255, and a lower end of the connecting rod 254 is hinged to a front portion of the pawl 252; the guide hole 260 is internally provided with a second spring 258, the upper end of the second spring 258 is fixedly connected with the upper wall of the guide hole 260, the lower end of the second spring 258 is fixedly connected with the sliding rod 257, and the pawl 252 is kept in contact with the ratchet 251 by the elastic force of the second spring 258, so that the braking effect of the anti-reverse mechanism 25 is ensured.
In this embodiment, clamping protrusions 261 are arranged on two sides of the fixing block 259, clamping buckles 256 matched with the clamping protrusions 261 are arranged on two sides of the slider 255, when the winching needs to be reversed, the tail of the steel wire rope is taken out of the anti-running and anti-grinding installation protection device, the clamping buckles 256 are buckled with the clamping protrusions 261, the front end of the pawl 252 is lifted up by the slider 255 through the connecting rod 254, the pawl 252 loses effect on the ratchet wheel 251, and braking of the anti-running and anti-rotating safety protection device and the anti-reverse mechanism 25 is avoided.
As shown in fig. 8-11, in this embodiment, a third rotating shaft 267 is disposed at a lower portion of the tray 26, an upper end of the third rotating shaft 267 is fixedly connected to the tray 26, a lower end of the third rotating shaft 267 is rotatably mounted on the base 2 through a bearing, a through second sliding slot 265 is disposed at one side of the tray 26, the second sliding slot 265 corresponds to the first sliding slot 13, the second sliding slots 265 of adjacent trays 26 are located at the same side or are arranged in a staggered manner, a first rotating shaft 121 at a lower end of the roller 12 sequentially penetrates through the first sliding slot 13 and the second sliding slot 265 and extends out of the lower end of the tray 26, a Y-shaped shifting fork 268 is disposed at one side of the third rotating shaft 267, and the extended first rotating shaft 121 is located inside the Y-shaped shifting fork 268; when the first pivot 121 of gyro wheel 12 slides in first spout 13, the first pivot 121 of one side dials Y-shaped shift fork 268 and rotates, drive third pivot 267 and rotate, thereby make tray 26 rotate certain angle, when second spout 265 on the adjacent tray 26 lies in same one side, tray 26 rotates to the same direction, make the inside wire rope 3 of anti-running and grinding safety arrangement be the broken line and arrange, when second spout 265 staggered arrangement on the adjacent tray 26, adjacent tray 26 rotates to opposite direction, make the inside wire rope 3 of anti-running and grinding safety arrangement be the S-shaped and arrange, the braking effect of anti-running and grinding safety arrangement has further been strengthened.
As shown in fig. 8, in this embodiment, the tray 26 is provided with a plurality of support rods at the lower part thereof, the support rods enhance the stability of the tray 26, the support rods are provided with support wheels 266 at the lower ends thereof, one side of the upper part of the base 2 is provided with an annular track 269, the support wheels 266 are mounted on the annular track 269, and the support wheels 266 reduce the friction between the support rods and the base 2.
As shown in fig. 5-6, in the present embodiment, two ends of the tray 26 are provided with riding wheels 264, the height of the riding wheels 264 is between the upper portion and the lower portion of the connecting bolt 17, the steel wire rope 3 is arranged on the upper portion of the riding wheels 264, and the riding wheels 264 not only prevent the steel wire rope 3 from directly contacting the tray 26 to cause abrasion, but also prevent the steel wire rope 3 from rubbing the connecting bolt 17 to damage the thread of the connecting bolt 17; the mounting holes 263 are waist-shaped holes, so that the distance between the shells 1 can be conveniently adjusted by the shells 1 according to the size of the steel wire rope 3.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (10)
1. The anti-running and anti-abrasion safety protection device comprises a shell and rollers which are symmetrically arranged, wherein anchor holes are formed in two ends of the shell, fixing bolts are arranged in the anchor holes, the shells on two sides are connected through connecting bolts, and steel wire ropes are arranged in gaps between the shells on two sides; its characterized in that, the casing middle part is equipped with the mounting groove, the gyro wheel sets up inside the mounting groove, and the gyro wheel contacts with wire rope, and the upper and lower both sides of mounting groove are equipped with first spout, and first spout is arranged by left back to right front direction slope, and the first pivot of gyro wheel both sides is installed inside first spout with sliding.
2. The anti-wear safety device of claim 1, wherein the housing has rounded corners at the entrance and exit of the cable.
3. The running-wear prevention safety protection device of claim 1, wherein the outer surface of the roller is provided with a plurality of evenly arranged anti-skid protrusions; a plurality of grooves are formed in one side of the shell, a plurality of auxiliary rollers are arranged inside the grooves, the two ends of each auxiliary roller are rotatably installed at the two ends of each groove, and the outer surfaces of the auxiliary rollers protrude out of one side of the shell.
4. The running and grinding prevention safety protection device as claimed in claim 1, wherein the housing is provided with a threaded hole, the threaded hole is communicated with the first sliding groove, an adjusting bolt is arranged in the threaded hole, one end of the adjusting bolt is provided with a first spring, one end of the first spring abuts against the adjusting bolt, the other end of the first spring abuts against the first rotating shaft of the roller, and the adjusting bolt is a claw head bolt.
5. A winching with a running-wear prevention safety protection device is characterized by comprising a base, vertical plates arranged at two sides of one end of the base, a second rotating shaft arranged between the vertical plates at the two sides, a winding drum sleeved outside the second rotating shaft and the running-wear prevention safety protection device as claimed in any one of claims 1 to 4; a motor is arranged on the vertical plate on one side, a speed reducer is arranged on one side of the motor, an output shaft of the speed reducer is connected with the second rotating shaft, and an anti-reversal mechanism is arranged on the vertical plate on the other side and connected with the second rotating shaft; a plurality of trays are arranged on one side of the vertical plate, mounting holes corresponding to the anchor holes are formed in the trays, and the anti-abrasion safety protection device is mounted on the trays through fixing bolts; the anti-reverse mechanism comprises a ratchet wheel arranged at one end of the second rotating shaft and a pawl arranged on one side of the ratchet wheel, an L-shaped connecting plate is arranged on one side of the pawl, one end of the L-shaped connecting plate is fixedly connected with the vertical plate, the pawl is movably arranged on the vertical plate through a pin shaft, and the other end of the pin shaft is movably arranged on the L-shaped connecting plate.
6. The winching device with the safety protection device against the winching according to claim 5, wherein a fixed block is provided at one side of the vertical plate, a guide hole is provided inside the fixed block, a slide bar is slidably provided inside the guide hole, a slide block is provided at the lower end of the slide bar, a connecting rod is provided at both sides of the lower end of the slide block, the upper end of the connecting rod is hinged with the slide block, and the lower end of the connecting rod is hinged with the front part of the pawl; and a second spring is arranged in the guide hole, the upper end of the second spring is fixedly connected with the upper wall of the guide hole, and the lower end of the second spring is fixedly connected with the sliding rod.
7. The grinder with the safety protection device against running and grinding as claimed in claim 6, wherein the fixing block is provided with clamping protrusions at both sides thereof, and the slider is provided with a buckle at both sides thereof for engaging with the clamping protrusions.
8. The winching device with the anti-running safety protection device according to claim 5, wherein a third rotating shaft is arranged at the lower part of the tray, the upper end of the third rotating shaft is fixedly connected with the tray, the lower end of the third rotating shaft is rotatably mounted on the base through a bearing, a through second chute is arranged at one side of the tray, the second chute corresponds to the first chute, the second chutes of adjacent trays are positioned at the same side or are arranged in a staggered manner, a first rotating shaft at the lower end of the roller sequentially penetrates through the first chute and the second chute and extends out of the lower end of the tray, a Y-shaped shifting fork is arranged at one side of the third rotating shaft, and the extended first rotating shaft is positioned inside the Y-shaped shifting fork.
9. The winching device with the safety protection device against running and grinding as claimed in claim 8, wherein the tray is provided at a lower portion thereof with a plurality of support rods, lower ends of the support rods are provided with support wheels, one side of the upper portion of the base is provided with an annular rail, and the support wheels are mounted on the annular rail.
10. The winching device with the anti-running safety protection device is characterized in that supporting wheels are arranged at two ends of the tray, the height of each supporting wheel is between the upper part and the lower part of the connecting bolt, and the steel wire rope is arranged at the upper part of each supporting wheel; the mounting hole is a waist-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652000.5A CN111792550B (en) | 2020-07-08 | 2020-07-08 | Prevent running and grind safety arrangement and have its hank and grind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652000.5A CN111792550B (en) | 2020-07-08 | 2020-07-08 | Prevent running and grind safety arrangement and have its hank and grind |
Publications (2)
| Publication Number | Publication Date |
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| CN111792550A CN111792550A (en) | 2020-10-20 |
| CN111792550B true CN111792550B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010652000.5A Active CN111792550B (en) | 2020-07-08 | 2020-07-08 | Prevent running and grind safety arrangement and have its hank and grind |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112499505A (en) * | 2020-12-01 | 2021-03-16 | 广东电网能源发展有限公司 | Motor-driven hank grinds catcher |
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| KR20010065372A (en) * | 1999-12-29 | 2001-07-11 | 이구택 | Apparatus for preventing the break-away of the wire using in the unloading machine |
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| CN111792550A (en) | 2020-10-20 |
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