CN215398404U - Semitrailer rope tightening device - Google Patents
Semitrailer rope tightening device Download PDFInfo
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- CN215398404U CN215398404U CN202121463730.7U CN202121463730U CN215398404U CN 215398404 U CN215398404 U CN 215398404U CN 202121463730 U CN202121463730 U CN 202121463730U CN 215398404 U CN215398404 U CN 215398404U
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- pawl
- rope
- bevel gear
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- gear
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Abstract
The utility model belongs to the technical field of automobile equipment, and particularly relates to a semitrailer rope tensioning device which comprises a rope tensioner, wherein the rope tensioner comprises a U-shaped fixing frame, a rope winding shaft, a fastening assembly and a hand-operated driving assembly, the U-shaped fixing frame comprises a top plate, left side board and right side board, the wiring axle rotation is connected on U type mount, be equipped with the rope hanging pole on the wiring axle, fastening components includes ratchet and pawl, the pawl rotates to be connected on the left side board, the one end of pawl is equipped with joint portion, the other end below of pawl is equipped with torsional spring and fixture block, two torque arms of torsional spring respectively with pawl and fixture block looks butt, hand drive assembly includes first bevel gear, second bevel gear, hand carousel and gear sleeve, second bevel gear is connected with first bevel gear meshing, the gear shaft of second bevel gear runs through the gear sleeve and with the center fixed connection of hand carousel, the outer wall rotation of hand carousel and gear sleeve is connected. This device is convenient for tighten up the rope, and can prevent that the rope is not hard up, ensures freight safety.
Description
Technical Field
The utility model belongs to the technical field of automobile equipment, and particularly relates to a semitrailer rope tensioning device.
Background
The semitrailer is a trailer with an axle arranged behind the gravity center of the vehicle and a coupling device capable of transmitting horizontal and vertical forces to a tractor, and is generally a three-axle semitrailer, which is divided into eleven-meter-bin-column semitrailer, thirteen-meter-bin column semitrailer, low-bed semitrailer and the like, and is a heavy transport vehicle connected with the head of the semitrailer through a towing pin. At present, when goods on a semi-trailer are bound, ropes are fastened mostly by using rope tighteners, but when the existing rope tighteners are used, the ropes need to be pressed tightly by rotating the rope tighteners through a crowbar, and the operation is very inconvenient; besides, the euphroe is mostly ratchet pawl structure, and does not have corresponding self-locking function on the pawl, after a distance is gone as the semitrailer, because factors such as the vehicle rocks, the pawl is very easily not hard up, leads to the rope that originally tightens to become loose, can not fix the goods to influence cargo transportation's security.
Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a semitrailer rope tensioning device which comprises a rope tensioning device, wherein the rope tensioning device comprises a U-shaped fixing frame, a rope winding shaft, a fastening assembly and a hand-operated driving assembly, the U-shaped fixing frame comprises a top plate, a left side plate and a right side plate, the left side plate and the right side plate are fixed on the left side and the right side below the top plate, the top plate is fixed on a vehicle underframe of a semitrailer, the rope winding shaft is rotatably connected to the U-shaped fixing frame, the left end and the right end of the rope winding shaft respectively penetrate through the left side plate and the right side plate, a rope hanging rod is arranged in the middle of the rope winding shaft and is perpendicular to the rope winding shaft, a limiting block is arranged at one end, far away from the rope winding shaft, of the rope hanging rod, and the limiting block is not abutted to the top plate;
the fastening assembly is arranged on the outer side of the left side plate and comprises a ratchet wheel fixed at the left end of the rope winding shaft and a pawl arranged above the ratchet wheel, a pin shaft is arranged in the middle of the pawl, the pawl is rotatably connected to the left side plate through the pin shaft, a clamping part matched with the ratchet wheel is arranged at one end of the pawl, a torsion spring and a clamping block are arranged below the other end of the pawl, the clamping block is located below the torsion spring, the torsion spring is fixed on the left side plate, and two torsion arms of the torsion spring are respectively abutted to the pawl and the clamping block;
hand drive assembly sets up in the outside of right side board, hand drive assembly is including fixing first bevel gear, second bevel gear, hand carousel and setting at the outside gear sleeve of first bevel gear and second bevel gear at the rope winding axle right-hand member, second bevel gear is connected with first bevel gear meshing, second bevel gear is connected with the gear shaft, the gear shaft run through the gear sleeve and with the center fixed connection of hand carousel, hand carousel rotates with the outer wall of gear sleeve to be connected.
Preferably, still be equipped with the bolt subassembly on the left side board, the bolt subassembly is located the top of pawl, the bolt subassembly includes the inserted bar of L shape and provides the bolt support of direction and positioning action for the inserted bar.
Preferably, the pawl is rotated anticlockwise, after the clamping portion is completely separated from the ratchet wheel, the inserted link is pushed until the inserted link abuts against the pawl, and the inserted link can block the pawl from rotating clockwise.
The utility model also comprises other components which can enable the semitrailer rope tightening device to be normally used, and the components are conventional technical means in the field. In addition, the undefined devices or components of the present invention are all those conventionally used in the art.
The working principle of the utility model is that when the rope tightener tightens the rope, the rope is firstly bound on the rope hanging rod, then the pawl is rotated anticlockwise, after the clamping part is completely separated from the ratchet wheel, the inserted link is pushed until the pawl is propped against the pawl, at the moment, the pawl can rotate clockwise under the action of the elasticity of the torsion spring, the inserted link can block the pawl to rotate clockwise so as to rotate the rope winding shaft, then the hand-operated rotary disc is rotated, the hand-operated rotary disc rotates to drive the second bevel gear and the meshed first bevel gear to rotate, and further the rope winding shaft rotates to tighten the rope; after the ratchet is tightened, the inserted rod is pulled away, and the pawl is clamped with the ratchet again under the action of the torsion spring so as to fasten the ratchet.
The rope tightening device has the advantages that the device is reasonable in structural design and convenient to operate, and through the design of the hand-operated driving assembly, a rope is convenient to tighten, and time and labor are saved; through the design of fastening components, the elasticity of torsional spring is utilized for the pawl has self-locking function, can fasten the ratchet, ensures the transportation safety of goods.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the fastening assembly of the present invention.
Fig. 3 is a schematic structural view of the hand cranking driving assembly of the present invention.
In the figure: 1. the rope winding device comprises a rope winding shaft, 2 a fastening assembly, 3 a hand-operated driving assembly, 4 a top plate, 5 a left side plate, 6 a right side plate, 7 a rope hanging rod, 8 a limiting block, 9 a ratchet wheel, 10 a pawl, 11 a torsion spring, 12 a clamping block, 13 a first bevel gear, 14 a second bevel gear, 15 a hand-operated rotating disc, 16 a gear sleeve, 17 an inserted link and 18 a bolt support.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
As shown in fig. 1 to 3, the utility model provides a semitrailer rope tensioning device, which comprises a rope tensioning device, wherein the rope tensioning device comprises a U-shaped fixing frame, a rope winding shaft 1, a fastening assembly 2 and a hand-operated driving assembly 3, the U-shaped fixing frame comprises a top plate 4, a left side plate 5 and a right side plate 6 which are fixed on the left side and the right side below the top plate 4, the top plate 4 is fixed on a vehicle underframe of a semitrailer, the rope winding shaft 1 is rotatably connected to the U-shaped fixing frame, the left end and the right end of the rope winding shaft 1 respectively penetrate through the left side plate 5 and the right side plate 6, a rope hanging rod 7 is arranged in the middle of the rope winding shaft 1, the rope hanging rod 7 is perpendicular to the rope winding shaft 1, a limiting block 8 is arranged at one end, far away from the rope winding shaft 1, of the rope hanging rod 7, and the limiting block 8 is not abutted against the top plate 4;
the fastening assembly 2 is arranged on the outer side of the left side plate 5, the fastening assembly 2 comprises a ratchet wheel 9 fixed at the left end of the rope winding shaft 1 and a pawl 10 arranged above the ratchet wheel 9, a pin shaft is arranged in the middle of the pawl 10, the pawl 10 is rotatably connected to the left side plate 5 through the pin shaft, a clamping part matched with the ratchet wheel 9 is arranged at one end of the pawl 10, a torsion spring 11 and a clamping block 12 are arranged below the other end of the pawl 10, the clamping block 12 is positioned below the torsion spring 11, the torsion spring 11 is fixed on the left side plate 5, and two torsion arms of the torsion spring 11 are respectively abutted to the ratchet wheel 10 and the clamping block 12;
The left side plate 5 is further provided with a bolt component, the bolt component is located above the pawl 10 and comprises an L-shaped inserted rod 17 and a bolt support 18 for providing guiding and positioning functions for the inserted rod 17. The pawl 10 is rotated anticlockwise, after the clamping part is completely separated from the ratchet wheel 9, the inserted link 17 is pushed until the inserted link abuts against the pawl 10, and the inserted link 17 can block the pawl 10 from rotating clockwise.
The working principle of the utility model is that when the rope tightener tightens the rope, the rope is firstly bound on the rope hanging rod 7, then the pawl 10 is rotated anticlockwise, after the clamping part is completely separated from the ratchet wheel 9, the inserted link 17 is pushed until the inserted link abuts against the pawl 10, at this time, the pawl 10 can rotate clockwise due to the elastic action of the torsion spring 11, the inserted link 17 can block the pawl 10 from rotating clockwise so as to rotate the rope winding shaft 1, then the hand-operated rotary disc 15 is rotated, the hand-operated rotary disc 15 rotates to drive the second bevel gear 14 and the meshed first bevel gear 13 to rotate, and further the rope winding shaft 1 rotates to tighten the rope; after the ratchet wheel 9 is tightened, the inserted rod 17 is pulled away, and the pawl 10 is clamped with the ratchet wheel 9 again under the action of the torsion spring 11 so as to fasten the ratchet wheel 9.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (3)
1. The utility model provides a semitrailer euphroe, includes euphroe, its characterized in that: the rope tightening device comprises a U-shaped fixing frame, a rope winding shaft, a fastening assembly and a hand-operated driving assembly, wherein the U-shaped fixing frame comprises a top plate, a left side plate and a right side plate which are fixed on the left side and the right side below the top plate, the top plate is fixed on a vehicle chassis of the semitrailer, the rope winding shaft is rotatably connected to the U-shaped fixing frame, the left end and the right end of the rope winding shaft respectively penetrate through the left side plate and the right side plate, a rope hanging rod is arranged in the middle of the rope winding shaft and is perpendicular to the rope winding shaft, a limiting block is arranged at one end, away from the rope winding shaft, of the rope hanging rod, and the limiting block is not abutted to the top plate;
the fastening assembly is arranged on the outer side of the left side plate and comprises a ratchet wheel fixed at the left end of the rope winding shaft and a pawl arranged above the ratchet wheel, a pin shaft is arranged in the middle of the pawl, the pawl is rotatably connected to the left side plate through the pin shaft, a clamping part matched with the ratchet wheel is arranged at one end of the pawl, a torsion spring and a clamping block are arranged below the other end of the pawl, the clamping block is located below the torsion spring, the torsion spring is fixed on the left side plate, and two torsion arms of the torsion spring are respectively abutted to the pawl and the clamping block;
hand drive assembly sets up in the outside of right side board, hand drive assembly is including fixing first bevel gear, second bevel gear, hand carousel and setting at the outside gear sleeve of first bevel gear and second bevel gear at the rope winding axle right-hand member, second bevel gear is connected with first bevel gear meshing, second bevel gear is connected with the gear shaft, the gear shaft run through the gear sleeve and with the center fixed connection of hand carousel, hand carousel rotates with the outer wall of gear sleeve to be connected.
2. The semitrailer tethering device of claim 1, wherein: still be equipped with the bolt subassembly on the left side board, the bolt subassembly is located the top of pawl, the bolt subassembly includes the inserted bar of L shape and provides the bolt support of direction and positioning action for the inserted bar.
3. The semitrailer tethering device of claim 2, wherein: the pawl rotates anticlockwise, after the clamping portion is completely separated from the ratchet wheel, the inserted link is pushed until the inserted link abuts against the pawl, and the inserted link can block the pawl from rotating clockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121463730.7U CN215398404U (en) | 2021-06-29 | 2021-06-29 | Semitrailer rope tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121463730.7U CN215398404U (en) | 2021-06-29 | 2021-06-29 | Semitrailer rope tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215398404U true CN215398404U (en) | 2022-01-04 |
Family
ID=79643221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121463730.7U Active CN215398404U (en) | 2021-06-29 | 2021-06-29 | Semitrailer rope tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215398404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500296A (en) * | 2022-10-17 | 2022-12-23 | 南昌大学 | Mixed culture method of hyriopsis schlegeli |
-
2021
- 2021-06-29 CN CN202121463730.7U patent/CN215398404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500296A (en) * | 2022-10-17 | 2022-12-23 | 南昌大学 | Mixed culture method of hyriopsis schlegeli |
| CN115500296B (en) * | 2022-10-17 | 2023-09-08 | 南昌大学 | Mixed culture method of hyriopsis cumingii |
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