CN114701304B - Traction device for semitrailer - Google Patents
Traction device for semitrailer Download PDFInfo
- Publication number
- CN114701304B CN114701304B CN202210473534.0A CN202210473534A CN114701304B CN 114701304 B CN114701304 B CN 114701304B CN 202210473534 A CN202210473534 A CN 202210473534A CN 114701304 B CN114701304 B CN 114701304B
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- CN
- China
- Prior art keywords
- buffer
- rod
- sliding
- main support
- frame
- 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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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 239000003381 stabilizer Substances 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D2001/001—Traction couplings; Hitches; Draw-gear; Towing devices specially adapted for use on vehicles other than cars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention is applicable to the related field of traction devices, and provides a traction device for a semitrailer, which comprises: the device comprises a main support frame, a mounting plate and a traction seat; a stabilizer bar; at least one set of crawler-type travelling wheels, wherein the crawler-type travelling wheels are arranged on the main support; the conversion type buffer assembly is arranged between the mounting plate and the main support frame; the side support assemblies are in sliding fit with the main support frame through lifting blocks, and the lifting blocks are connected with the conversion type buffer assemblies through push rods; the side support assembly comprises a side plate, an internal thread sleeve, a half thread transmission rod, a mounting frame, side support travelling wheels, a rack and a gear, and the traction and movement treatment of the semi-trailer can be realized through the matched arrangement of the main support, the crawler-type travelling wheels, the conversion type buffer assembly and the side support assembly.
Description
Technical Field
The invention relates to the related field of traction devices, in particular to a traction device for a semitrailer.
Background
A semitrailer is a trailer in which the axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and is equipped with hitch devices that can transfer horizontal and vertical forces to the tractor. The semi-trailer is a three-axle semi-trailer, and the types of the semi-trailer are classified into eleven meter bin semi-trailer, thirteen meter bin semi-trailer, low-bed semi-trailer and the like. Is a heavy transportation vehicle connected with a semitrailer head through a traction pin.
Because of the transportation requirement, a large number of empty semitrailers can be stopped in a transportation field, when the empty semitrailers need to be moved, the semitrailer heads need to be used for traction, and the number of the semitrailer heads is small, so that the semitrailer heads are inconvenient to use for traction when the semitrailer heads move in an extremely short distance.
Therefore, in view of the above situation, there is an urgent need to provide a traction device for a semitrailer, so as to overcome the shortcomings in the current practical application.
Disclosure of Invention
The present invention is directed to a traction device for a semitrailer, which solves the above-mentioned problems of the related art.
The invention is achieved by a traction device for a semitrailer, comprising:
The traction seat is in running fit with the mounting plate;
a stabilizer bar for connection between the mounting plate and the main support;
at least one set of crawler-type travelling wheels, wherein the crawler-type travelling wheels are arranged on the main support;
the conversion type buffer assembly is arranged between the mounting plate and the main support frame; and
The lateral support assemblies are in sliding fit with the main support frame through lifting blocks, and the lifting blocks are connected with the conversion type buffer assemblies through push rods; the side support assembly comprises a side plate, an internal thread sleeve, a half thread transmission rod, a mounting frame, side support walking wheels, a rack and a gear, wherein the side plate is mounted on the lifting block, the internal thread sleeve is at least provided with a group of internal thread sleeve on the side plate, the half thread transmission rod is in running fit with the side plate, the half thread transmission rod is in threaded connection with the internal thread sleeve, the half thread transmission rod is far away from one end of the side plate and is in running fit with the mounting frame, the side support walking wheels are mounted on the mounting frame, the gear is in running fit with the side plate, the gear is in sliding fit with the half thread transmission rod, the half thread transmission rod can rotate synchronously along with the gear, the rack is connected with the gear in a meshed manner, and the rack is connected with the conversion buffer assembly through a linkage assembly.
Compared with the prior art, the invention has the beneficial effects that:
The conversion type buffer assembly can convert the longitudinal pressure received by the mounting plate into the power for the rack to move in the horizontal direction, and can drive the gear to rotate in a rack movement mode, so that the half-thread transmission rod is driven to rotate, the half-thread transmission rod which rotates is matched with the internal thread sleeve to move in the vertical direction, the half-thread transmission rod is driven to move downwards in a mode of driving the mounting frame to move downwards through the half-thread transmission rod, lateral support can be realized by matching with the lateral support travelling wheels, and the semi-trailer connected to the traction seat can be pulled to move in a mode of matching the lateral support travelling wheels with the crawler-type travelling wheels, so that the stability during traction is improved; compared with the prior art, the embodiment of the invention is provided with the crawler-type travelling wheels, the conversion type buffer assemblies and the lateral support assemblies, and the traction and movement treatment of the semi-trailer can be realized under the condition of not depending on the semi-trailer head by the matched arrangement of the crawler-type travelling wheels, the conversion type buffer assemblies and the lateral support assemblies, so that the problem of inconvenient movement of the semi-trailer is avoided.
Drawings
Fig. 1 is a schematic diagram of a front view structure according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Fig. 4 is a schematic cross-sectional view of a cushioning support according to an embodiment of the present invention.
In the accompanying drawings: the device comprises a main support frame 1, a support plate 2, a crawler-type travelling wheel 3, a protective cover 4, a side support travelling wheel 5, a mounting frame 6, a half-thread transmission rod 7, an inner thread sleeve 8, a side plate 9, a linkage rod 10, a buffer frame 11, a spring 12, a connecting rod 13, a connecting rod 14, a connecting rod II, a mounting plate 15, a traction seat 16, a stabilizer bar 17, a sliding block 18, a linkage groove 19, a push rod 20, a push rod 21, a rack 22, a gear 23, a lifting block 24, a sliding rod 25, a buffer seat 26, a spring II, a guide rod 27, a connecting shaft 28, a connecting sliding block 29 and a connecting piece 30.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1-3, a traction device for a semitrailer according to an embodiment of the present invention includes:
the device comprises a main support frame 1, a mounting plate 15 and a traction seat 16, wherein the traction seat 16 is in running fit with the mounting plate 15;
A stabilizer bar 17 for connection between the mounting plate 15 and the main support frame 1;
At least one set of crawler-type travelling wheels 3, wherein the crawler-type travelling wheels 3 are arranged on the main support frame 1;
A conversion-type buffer assembly disposed between the mounting plate 15 and the main support frame 1; and
At least one group of lateral support components which are in sliding fit with the main support frame 1 through a lifting block 23, and the lifting block 23 is connected with the conversion type buffer component through a push rod 20; the lateral support assembly comprises a side plate 9, an inner threaded sleeve 8, a half-threaded transmission rod 7, a mounting frame 6, a lateral support walking wheel 5, a rack 21 and a gear 22, wherein the side plate 9 is mounted on a lifting block 23, the inner threaded sleeve 8 is at least provided with one group on the side plate 9, the half-threaded transmission rod 7 is in running fit with the side plate 9, the half-threaded transmission rod 7 is in threaded connection with the inner threaded sleeve 8, the half-threaded transmission rod 7 is far away from one end of the side plate 9 and is in running fit with the mounting frame 6, the lateral support walking wheel 5 is mounted on the mounting frame 6, the gear 22 is in running fit with between the side plate 9, the gear 22 is in sliding fit with the half-threaded transmission rod 7, the half-threaded transmission rod 7 can synchronously rotate along with the gear 22, the rack 21 is in meshed connection with the gear 22, and the rack 21 is connected with the conversion buffer assembly through a linkage assembly.
In the embodiment of the invention, the traction seat 16 is used for connecting a semitrailer, the traction seat 16 adopts the prior art, the conversion type buffer assembly can convert the longitudinal pressure received by the mounting plate 15 into the power for the rack 21 to move in the horizontal direction, the gear 22 can be driven to rotate in a mode of moving the rack 21, thereby driving the half-thread transmission rod 7 to rotate, the half-thread transmission rod 7 which rotates can move in the vertical direction in a mode of matching with the internal thread sleeve 8, the mounting frame 6 is driven to move downwards by the half-thread transmission rod 7, the side support walking wheel 5 can realize the lateral support in a mode of matching with the crawler-type walking wheel 3, the semitrailer connected to the traction seat 16 can be towed, and meanwhile, the stability during towing is improved; the crawler-type travelling wheels 3 and the side supporting travelling wheels 5 are respectively provided with independent power, two groups of crawler-type travelling wheels 3 are symmetrically arranged on the main support frame 1, and the steering function can be realized in different steering movement modes through the two groups of crawler-type travelling wheels 3; compared with the prior art, the embodiment of the invention is provided with the main support frame 1, the crawler-type travelling wheels 3, the conversion type buffer assembly and the lateral support assembly, and the traction and movement treatment of the semi-trailer can be realized under the condition of not depending on the semi-trailer head through the matched arrangement of the main support frame 1, the crawler-type travelling wheels 3, the conversion type buffer assembly and the lateral support assembly, so that the problem of inconvenient movement of the semi-trailer is avoided.
In one embodiment of the present invention, referring to fig. 1, the stabilizer bar 17 is of a telescopic structure, and the stabilizer bars 17 are provided with a plurality of groups.
In this embodiment, the stability of the connection between the mounting plate 15 and the main support frame 1 is facilitated to be improved by the stabilizer bar 17, and the traction work is facilitated to be performed.
In one embodiment of the present invention, referring to fig. 1 and 2, the conversion type buffering assembly includes:
a buffer frame 11, wherein the buffer frame 11 is connected with the stabilizer bar 17;
at least one group of sliding blocks 18, wherein the sliding blocks 18 are in sliding fit with the buffer frame 11, and a first spring 12 for realizing elastic support of the sliding blocks 18 is further arranged on the buffer frame 11;
a connecting shaft 28, the connecting shaft 28 being mounted on the slider 18;
The two ends of the second connecting rod 14 are respectively in running fit with the connecting shaft 28 and the mounting plate 15; and
The two ends of the first connecting rod 13 are respectively in running fit with the connecting shaft 28 and the main support frame 1;
A guide rod 27 is further arranged in the buffer frame 11, and the guide rod 27 is in sliding fit with the sliding block 18.
In this embodiment, after the fifth wheel 16 is connected with the semitrailer, the gravity of the semitrailer will press the mounting plate 15 to move downwards, the cooperation of the second connecting rod 14, the first connecting rod 13, the sliding block 18 and the first spring 12 can realize buffering of the downward pressure, and meanwhile, the damping effect can be achieved in the traction process, the sliding block 18 is pushed to slide in the buffer frame 11 by pressing the second connecting rod 14 through the mounting plate 15, and the rack 21 can be driven to move in the horizontal direction through the cooperation between the sliding block 18 and the linkage assembly, so that the conversion of the movement mode is realized.
In one embodiment of the present invention, referring to fig. 1 and 2, the linkage assembly includes:
a connecting slide block 29, wherein the connecting slide block 29 is connected with the conversion type buffer assembly;
At least one set of connection members 30, said connection members 30 being mounted on said connection slider 29; and
And one end of the linkage rod 10 is connected with the connecting piece 30, and the other end of the linkage rod 10 is connected with the rack 21.
In this embodiment, the connecting piece 30 may adopt a mounting block with a square structure, and the connecting slider 29 may be pushed to move by moving the slider 18 in the buffer frame 11, so that the rack 21 connected with the linkage rod 10 may be driven to move by the cooperation between the connecting slider 29 and the connecting piece 30.
In one embodiment of the present invention, referring to fig. 1 and 4, a buffer member for elastically supporting the lifting block 23 is further provided on the main support frame 1, and the buffer member is mounted on the main support frame 1 through a support plate 2;
the cushioning member includes:
a buffer seat 25, wherein the buffer seat 25 is mounted on the supporting plate 2;
A sliding rod 24, wherein one end of the sliding rod 24 is connected with the lifting block 23, and the other end of the sliding rod 24 is slidably arranged in the buffer seat 25; and
And a second spring 26, where the second spring 26 is disposed in the sliding rod 24, and is used for realizing elastic support of the sliding rod 24.
In this embodiment, through the cooperation of the sliding rod 24, the buffer seat 25 and the second spring 26, the lifting block 23 can be elastically supported, so that the damping effect is improved, and the stability of the device when the device pulls the semi-trailer is improved.
In an embodiment of the present invention, referring to fig. 3, the half-threaded transmission rod 7 is further provided with a linkage groove 19, and the gear 22 is provided with a protruding portion for cooperating with the linkage groove 19, so that the half-threaded transmission rod 7 can rotate along with the gear 22 while the half-threaded transmission rod 7 slides in the vertical direction through the cooperation of the linkage groove 19 and the protruding portion.
In an embodiment of the present invention, referring to fig. 1, a protecting cover 4 for protecting the crawler-type travelling wheels is further provided on the main support frame 1, and meanwhile, protection of staff can be achieved through the protecting cover 4.
In summary, the working principle of the invention is as follows: the traction seat 16 is used for connecting a semitrailer, the traction seat 16 adopts the prior art, the conversion type buffer assembly can convert the longitudinal pressure received by the mounting plate 15 into the power for the rack 21 to move in the horizontal direction, the gear 22 can be driven to rotate by the mode of the movement of the rack 21, thereby driving the half-thread transmission rod 7 to rotate, the half-thread transmission rod 7 which rotates can move in the vertical direction by the mode of matching the half-thread transmission rod 7 with the internal thread sleeve 8, the mode of driving the mounting frame 6 to move downwards by the half-thread transmission rod 7 can realize lateral support by matching with the side support travelling wheels 5, the semitrailer connected to the traction seat 16 can be towed by matching the side support travelling wheels 5 with the crawler-type travelling wheels 3, and meanwhile, the stability during towing is improved; after the traction seat 16 is connected with the semitrailer, the gravity of the semitrailer can press the mounting plate 15 to move downwards, the cooperation of the second connecting rod 14, the first connecting rod 13, the sliding block 18 and the first spring 12 can realize buffering of the downward pressure, meanwhile, the damping effect can be realized in the traction process, the sliding block 18 is pushed to slide in the buffer frame 11 by the second connecting rod 14 pressed by the mounting plate 15, and the rack 21 can be driven to move in the horizontal direction through the cooperation between the sliding block 18 and the linkage assembly, so that the conversion of the movement mode is realized; through the cooperation of the sliding rod 24, the buffer seat 25 and the second spring 26, the lifting block 23 can be elastically supported, so that the damping effect is improved, and the stability of the device when a semi-trailer is pulled is improved; through the cooperation of the linkage groove 19 and the protruding part, the half-thread transmission rod 7 can rotate along with the gear 22 when the half-thread transmission rod 7 slides in the vertical direction.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A draw gear for semitrailer, includes main support frame, mounting panel and traction seat, traction seat with normal running fit between the mounting panel, its characterized in that still includes:
a stabilizer bar for connection between the mounting plate and the main support;
at least one set of crawler-type travelling wheels, wherein the crawler-type travelling wheels are arranged on the main support;
the conversion type buffer assembly is arranged between the mounting plate and the main support frame; and
The lateral support assemblies are in sliding fit with the main support frame through lifting blocks, and the lifting blocks are connected with the conversion type buffer assemblies through push rods; the side support assembly comprises a side plate, an internal thread sleeve, a half thread transmission rod, a mounting frame, side support travelling wheels, a rack and a gear, wherein the side plate is mounted on the lifting block, the internal thread sleeve is at least provided with one group on the side plate, the half thread transmission rod is in running fit with the side plate, the half thread transmission rod is in threaded connection with the internal thread sleeve, one end of the half thread transmission rod far away from the side plate is in running fit with the mounting frame, the side support travelling wheels are mounted on the mounting frame, the gear is in running fit with the side plate, the gear is in sliding fit with the half thread transmission rod, the half thread transmission rod can synchronously rotate along with the gear, the rack is in meshed connection with the gear, and the rack is connected with the conversion buffer assembly through a linkage assembly;
the conversion cushioning assembly includes:
The buffer frame is connected with the stabilizer bar;
at least one group of sliding blocks, wherein the sliding blocks are in sliding fit with the buffer frame, and the buffer frame is also provided with a first spring for realizing elastic support of the sliding blocks;
the connecting shaft is arranged on the sliding block;
the two ends of the second connecting rod are respectively in running fit with the connecting shaft and the mounting plate; and
The two ends of the first connecting rod are respectively in running fit with the connecting shaft and the main support frame;
a guide rod is further arranged in the buffer frame, and the guide rod is in sliding fit with the sliding block;
The linkage assembly includes:
the connecting sliding block is connected with the conversion type buffer assembly;
at least one group of connecting pieces, wherein the connecting pieces are arranged on the connecting sliding blocks; and
And one end of the linkage rod is connected with the connecting piece, and the other end of the linkage rod is connected with the rack.
2. The traction device for a semitrailer according to claim 1, wherein the stabilizer bar is of a telescopic structure, and the stabilizer bars are provided in plural groups.
3. The traction apparatus for a semitrailer according to claim 1, wherein a buffer member for elastically supporting the lifting block is further provided on the main support frame, and the buffer member is mounted on the main support frame through a support plate.
4. A traction device for a semitrailer according to claim 3, wherein the buffer comprises:
the buffer seat is arranged on the supporting plate;
One end of the sliding rod is connected with the lifting block, and the other end of the sliding rod is arranged in the buffer seat in a sliding manner; and
And the second spring is arranged in the sliding rod and used for realizing elastic support of the sliding rod.
5. The traction device for a semitrailer according to claim 1, wherein a linkage groove is further provided on the semithreaded transmission rod.
6. The traction device for a semitrailer according to claim 1, wherein a protective cover for protecting the crawler-type traveling wheels is further provided on the main support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210473534.0A CN114701304B (en) | 2022-04-29 | 2022-04-29 | Traction device for semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210473534.0A CN114701304B (en) | 2022-04-29 | 2022-04-29 | Traction device for semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114701304A CN114701304A (en) | 2022-07-05 |
| CN114701304B true CN114701304B (en) | 2024-08-16 |
Family
ID=82176136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210473534.0A Active CN114701304B (en) | 2022-04-29 | 2022-04-29 | Traction device for semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114701304B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116171A (en) * | 2017-12-31 | 2018-06-05 | 叶维 | A kind of safe draft gear |
| CN209972080U (en) * | 2019-06-11 | 2020-01-21 | 福建省众恒鼎鑫科技有限公司 | Agricultural machine's traction structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2455185C (en) * | 2003-01-16 | 2007-08-07 | Deere & Company | Three-point hitch having flotation |
| CN214727991U (en) * | 2021-03-19 | 2021-11-16 | 威海瑞琦汽车制造股份有限公司 | Lifting device for traction part of chassis of trailer |
| CN215921784U (en) * | 2021-09-28 | 2022-03-01 | 福建秦劲川交通设备有限公司 | Connect stable semitrailer draw gear |
-
2022
- 2022-04-29 CN CN202210473534.0A patent/CN114701304B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116171A (en) * | 2017-12-31 | 2018-06-05 | 叶维 | A kind of safe draft gear |
| CN209972080U (en) * | 2019-06-11 | 2020-01-21 | 福建省众恒鼎鑫科技有限公司 | Agricultural machine's traction structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114701304A (en) | 2022-07-05 |
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