CN107878134B - Self-locking rope trailer hook device - Google Patents
Self-locking rope trailer hook device Download PDFInfo
- Publication number
- CN107878134B CN107878134B CN201711136886.2A CN201711136886A CN107878134B CN 107878134 B CN107878134 B CN 107878134B CN 201711136886 A CN201711136886 A CN 201711136886A CN 107878134 B CN107878134 B CN 107878134B
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- CN
- China
- Prior art keywords
- self
- shaped
- rope
- wire rope
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/18—Tow ropes, chains or the like
- B60D1/185—Tow ropes, chains or the like comprising a cable or chain winding device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/242—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for supporting braking actions, e.g. braking means integrated with hitches; Braking sensors
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Handcart (AREA)
Abstract
The invention discloses a self-locking rope trailer hook device, which belongs to the technical field of trailer equipment, and comprises a rotating wheel and a supporting frame thereof, wherein the supporting frame is connected with a self-locking device, one end of a steel wire rope passes through the self-locking device and then is wound on the rotating wheel. The length of the towing rope can be adjusted, and the rope can perform self-locking and other functions.
Description
Technical Field
The invention belongs to the field of trailer equipment, and particularly relates to a self-locking rope trailer hook device.
Background
Since the advent of trucks, the trailer has become an integral part of trucks, which can be split into front and rear end trailers by location. Currently, the conventional trailer couplers in the market are roughly divided into two structures: one is a hook and hanging ring type, the other is a threaded pipe and trailer ring assembled type, and the trailer hook refers to a necessary device of a vehicle which is required to be towed by other vehicles or is required to be towed by the vehicle when the vehicle breaks down, falls into a mud and the like. Some special vehicles suffer from the problem of requiring the vehicle to pull. Because of the task specificity, the traction device only relates to the rear end trailer hook when certain special vehicles are self-designed, and many passenger cars and pick-up cards cancel the rear traction hook, so that the traction hook is an optional component.
When the vehicle breaks down or falls into a puddle, the towing rope needs to be bound, the tractor does not have a rear towing hook or a towed vehicle does not have a front towing hook, and the towing rope can only be bound on a main beam or a suspension of the vehicle, so that the rope is easy to cause the dead knot of the towing rope due to repeated impact of traction force on the rope in the towing process, the quite trouble and difficulty of dismantling the towing rope after the towed vehicle is separated from a dangerous situation are overcome, the towing rope cannot be dismantled and can only be cut off, and the towing rope is damaged.
In addition, in the vehicle traction process, because the rope of the two vehicles is different in the loosening degree of the rope, the traction force is repeatedly impacted by the traction ropes, the instantaneous damage stress is increased to 2-3 times of the weight of the towed vehicle (the weight is not more than 3500 kg), the traction ropes are easy to break, and a plurality of difficulties are brought.
Disclosure of Invention
The invention aims to solve the problems, and designs a self-locking rope towing hook device which has the functions of adjustable towing rope length, self-locking rope and the like.
In order to achieve the above purpose, the technical means adopted by the invention are as follows:
the utility model provides a self-locking rope trailer hook device, includes runner and support frame thereof, and the support frame connection is provided with self-locking device, twines behind the self-locking device on the runner, and the key point lies in, self-locking device include U type fixed plate and gyro wheel, U type fixed plate include upper and lower both sides board, the same position of curb plate is opened there is a pair of L type slotted hole, the roller axle on be provided with the shaft, the sliding fit structure is constituteed with L type slotted hole to the both ends of shaft, the length direction of L type slotted hole and the contained angle between the U type tank bottom of U type fixed plate be the acute angle, the gyro wheel on be provided with the teeth of a cogwheel, the minimum clearance between the teeth of a cogwheel and the U type tank bottom of gyro wheel is less than wire rope's diameter.
The upper end of the supporting frame is provided with a hanging ring or a hook.
The included angle between the length direction of the L-shaped slotted hole and the U-shaped slot bottom bracket of the U-shaped fixing plate is 10-30 degrees.
The wheel axle is provided with a wrench.
The beneficial effects of the invention are as follows: the support frame is connected and provided with the self-locking device, the steel wire rope does not need to be knotted any more, the steel wire rope is prevented from being repeatedly impacted by traction force, the rope buckle of the towing rope becomes dead knot, and the damage rate of the towing rope is reduced. The self-locking device is characterized in that the self-locking device is realized by specifically relying on a roller, an L-shaped slotted hole and a U-shaped fixed plate, gear teeth of the roller are in contact with a steel wire rope, when the steel wire rope is subjected to traction, the roller moves forwards along with the steel wire rope due to friction, and as the length direction of the L-shaped slotted hole and the bottom of the fixed plate form a certain included angle, the roller presses the steel wire rope when moving to a certain degree to the top angle of the L-shaped slotted hole and the bottom of the fixed plate, the steel wire rope stops moving under the action of friction, so that the steel wire rope is locked in the self-locking device; the purpose of setting the L-shaped slotted hole is that: when the roller slides to the upper end of the L-shaped hole, the steel wire rope is not rubbed, can be unlocked and can be used as a common wheel rope. The beneficial effects that this embodiment produced are that the gyro wheel rotates along with wire rope's motion, and wire rope is by rapid locking when wire rope removes, and reaction time is fast, and braking effect is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1, a hanging ring, 2, a supporting frame, 3, a rotating wheel, 4, a steel wire rope, 5, a U-shaped fixing plate, 6, an L-shaped slot hole, 7, a roller, 8, a wheel shaft, 9 and a wrench.
Detailed Description
The invention relates to a self-locking rope trailer hook device, which comprises a rotating wheel 3 and a supporting frame 2 thereof, wherein the supporting frame 2 is connected with a self-locking device, one end of a steel wire rope 4 passes through the self-locking device and then is wound on the rotating wheel 3, and the key point is that the self-locking device comprises a U-shaped fixing plate 5 and a roller 7, the U-shaped fixing plate 5 comprises an upper side plate and a lower side plate, a pair of L-shaped slotted holes 6 are formed in the same position of the side plates, a wheel shaft 8 is arranged on the axle center of the roller 7, two ends of the wheel shaft 8 and the L-shaped slotted holes 6 form a sliding fit structure, an included angle between the length direction of the L-shaped slotted holes 6 and the bottom of the U-shaped slot of the U-shaped fixing plate 5 is an acute angle, and gear teeth are arranged on the roller 7, and the minimum gap between the gear teeth and the bottom of the U-shaped slot is smaller than the diameter of the steel wire rope 4.
The invention will be further described with reference to the drawings and specific examples.
In the specific embodiment, as shown in fig. 1, the device is arranged on a chassis or a suspension of a vehicle, the rope head of the towing rope is penetrated out from the self-locking device, and the rope head is pulled to adjust the length of the towing rope. The self-locking device is provided with an L-shaped slot 6, the L-shaped slot 6 comprises a slot and a slot of a short side, the slot and the slot of the short side are mutually angled, an included angle between one end of the L-shaped slot 6 in the length direction and the bottom of the U-shaped slot of the U-shaped fixed plate 5 is an acute angle, the other end of the L-shaped slot is connected with the slot of the short side, the slot of the short side faces the direction away from the U-shaped fixed plate 5, and when the roller 7 is placed at the slot of the short side away from the bottom of the U-shaped fixed plate 5, the roller 7 is not contacted with the steel wire rope 4, friction force is not generated, and the extraction of the steel wire rope 4 is not influenced.
The upper end of the support frame 2 is provided with a hanging ring 1 or a hanging hook which can be in a hook shape, a ring shape or a hole shape, can be arranged on a vehicle hanging hook or a hanging ring and also can be welded on a vehicle body or a chassis, and can be assembled on the vehicle body or the chassis by bolts and nuts.
The included angle between the length direction of the L-shaped slotted hole 6 and the U-shaped slot bottom bracket of the U-shaped fixing plate 5 is 30 degrees. When the steel wire rope 4 moves, the roller 7 rapidly reaches the included angle to clamp and lock the steel wire rope 4, the reaction time is fast, and the braking effect is good.
The specific locking and unlocking steps are as follows:
after the required length of the steel wire rope 4 is determined, a spanner 9 is arranged on the wheel shaft 8, the roller 7 is pulled out of the short side slot hole of the L-shaped slot hole 6 by means of the spanner 9, when the steel wire rope 4 is subjected to traction force, the roller 7 moves forwards along with the steel wire rope 4 due to friction force, as the length direction of the L-shaped slot hole 6 and the bottom of the U-shaped fixed plate 5 form a certain included angle, when the roller 7 moves to a certain degree towards the top angle of the L-shaped slot hole 6, the steel wire rope 4 is extruded, the steel wire rope 4 stops moving under the action of friction force, and thus the steel wire rope 4 is locked in the self-locking device; the purpose of the L-shaped slot 6 is to: when the roller 7 slides to the upper end of the L-shaped hole, the steel wire rope 4 is not rubbed, can be unlocked and can be used as a common wheel rope.
Claims (1)
1. The utility model provides a self-locking rope trailer hook device, includes runner (3) and support frame (2) thereof, support frame (2) connect and be provided with self-locking device, twine on runner (3) after the one end of wire rope (4) passes self-locking device, its characterized in that: the self-locking device comprises a U-shaped fixing plate (5) and a roller (7), wherein the U-shaped fixing plate (5) comprises an upper side plate and a lower side plate, a pair of L-shaped slotted holes (6) are formed in the same position of the side plates, an axle (8) is arranged on the axle center of the roller (7), two ends of the axle (8) and the L-shaped slotted holes (6) form a sliding fit structure, an included angle between the length direction of the L-shaped slotted holes (6) and the bottom of the U-shaped slot of the U-shaped fixing plate (5) is an acute angle, gear teeth are arranged on the roller (7), and the minimum gap between the gear teeth and the bottom of the U-shaped slot is smaller than the diameter of a steel wire rope (4);
the upper end of the supporting frame (2) is provided with a hanging ring (1) or a hook;
the included angle between the length direction of the L-shaped slotted hole (6) and the U-shaped slot bottom bracket of the U-shaped fixed plate (5) is 10-30 degrees; a spanner (9) is arranged on the wheel axle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711136886.2A CN107878134B (en) | 2017-11-16 | 2017-11-16 | Self-locking rope trailer hook device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711136886.2A CN107878134B (en) | 2017-11-16 | 2017-11-16 | Self-locking rope trailer hook device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107878134A CN107878134A (en) | 2018-04-06 |
| CN107878134B true CN107878134B (en) | 2024-02-06 |
Family
ID=61777025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711136886.2A Active CN107878134B (en) | 2017-11-16 | 2017-11-16 | Self-locking rope trailer hook device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107878134B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001056816A1 (en) * | 2000-02-01 | 2001-08-09 | Ulle Svensson | Hitch accessory |
| JP2004257735A (en) * | 2003-02-24 | 2004-09-16 | Shinko Electric Co Ltd | Rope return device in vehicle crash test apparatus |
| JP3166293U (en) * | 2010-12-16 | 2011-02-24 | 株式会社花見台自動車 | Vehicle towing mechanism and truck |
| CN204278958U (en) * | 2014-11-27 | 2015-04-22 | 北汽福田汽车股份有限公司 | For two car puller hook draw gear and there is its vehicle |
| CN205149425U (en) * | 2015-11-30 | 2016-04-13 | 长城汽车股份有限公司 | Car towing hook and car |
| CN205930070U (en) * | 2016-06-08 | 2017-02-08 | 扬子江汽车集团有限公司 | Light bus car puller hook device |
| CN206606018U (en) * | 2017-04-10 | 2017-11-03 | 河南机电职业学院 | Self-locking car puller hook |
| CN207388771U (en) * | 2017-11-16 | 2018-05-22 | 国家电网公司 | A kind of self-locking rope trailer hook device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8047559B2 (en) * | 2008-11-10 | 2011-11-01 | Barry Harlin | Self-locking, universal trailer hitch and method of use thereof |
-
2017
- 2017-11-16 CN CN201711136886.2A patent/CN107878134B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001056816A1 (en) * | 2000-02-01 | 2001-08-09 | Ulle Svensson | Hitch accessory |
| JP2004257735A (en) * | 2003-02-24 | 2004-09-16 | Shinko Electric Co Ltd | Rope return device in vehicle crash test apparatus |
| JP3166293U (en) * | 2010-12-16 | 2011-02-24 | 株式会社花見台自動車 | Vehicle towing mechanism and truck |
| CN204278958U (en) * | 2014-11-27 | 2015-04-22 | 北汽福田汽车股份有限公司 | For two car puller hook draw gear and there is its vehicle |
| CN205149425U (en) * | 2015-11-30 | 2016-04-13 | 长城汽车股份有限公司 | Car towing hook and car |
| CN205930070U (en) * | 2016-06-08 | 2017-02-08 | 扬子江汽车集团有限公司 | Light bus car puller hook device |
| CN206606018U (en) * | 2017-04-10 | 2017-11-03 | 河南机电职业学院 | Self-locking car puller hook |
| CN207388771U (en) * | 2017-11-16 | 2018-05-22 | 国家电网公司 | A kind of self-locking rope trailer hook device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107878134A (en) | 2018-04-06 |
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