CN105172918B - A kind of traction base of semitrailer - Google Patents
A kind of traction base of semitrailer Download PDFInfo
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- CN105172918B CN105172918B CN201510481719.6A CN201510481719A CN105172918B CN 105172918 B CN105172918 B CN 105172918B CN 201510481719 A CN201510481719 A CN 201510481719A CN 105172918 B CN105172918 B CN 105172918B
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- Prior art keywords
- seat board
- bolt
- latch hook
- cover plate
- central cover
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Abstract
The present invention relates to a kind of traction base of semitrailer, including split type seat board, bearing and separation bindiny mechanism.Wherein split type seat board is mainly made up of seat board matrix, central cover plate and wearing ring, central cover plate is connected on seat board matrix, wearing ring is connected in central cover plate, bearing sets up separately in split type seat board both sides, separation bindiny mechanism is main to be made up of control stick, lever, voussoir, latch hook, control stick double extension spring, latch hook extension springs etc., the one end for manipulating boom end and lever is hinged, and voussoir is hinged with its intermediate part, and latch hook is hinged on traction seat seat board center.Traction seat seat board is designed to split type by the present invention, and welded from bottom to top using bolt, by the way of nut screws from top to bottom, central cover plate need to only be pulled down when changing latch hook, it is alternative generally use at present whole traction seat is unloaded from tractor could change the cumbersome mode of latch hook, make replacing parts convenient and swift, drastically increase maintenance efficiency.
Description
Technical field
The invention belongs to technical field of automobile parts, and in particular to a kind of traction base of semitrailer.
Background technology
With the fast development of automobile trailering transport, semi-trailer train is strong and efficient, convenient as a kind of bearing capacity
Means of transportation more and more favored.Traction seat is an important total member on semi-trailer train, its effect
It is to transmit the longitudinal force (including tractive force and brake force) between tractor and semitrailer, and ensures turning for semi-trailer train
To ability, thus it is guaranteed that traction seat and the reliability of towing pin fit connection are particularly important.Replacement frequency highest in traction seat
Part be anti-attrition disk and latch hook, and change at present the method that latch hook generally uses be by traction seat from tractor chassis completely
Pull down, reverse traction seat, latch hook is changed from below, this maintenance mode workload is big, cumbersome time-consuming, can also bring a series of peaces
Fill integrity problem.
The content of the invention
The present invention is to solve the above problems, disclose a kind of traction base of semitrailer, and concrete technical scheme is as follows：
A kind of traction base of semitrailer, including split type seat board, bearing and separation-bindiny mechanism, it is characterised in that：It is described
Split type seat board mainly by seat board matrix 1, the central cover plate being connected on seat board matrix 19 and is connected in central cover plate 9
Wearing ring 11 is constituted；The lower weld of seat board matrix 1 has floor 33 and reinforcement, and the separation-bindiny mechanism is mainly by grasping
The double extension springs 19 of vertical pole 25, lever 27, voussoir 26, latch hook 4, control stick and latch hook extension spring 3 are constituted, the end of the control stick 25 with
One end of lever 27 is hinged, and is connected by the double extension springs 19 of control stick with seat board matrix 1, and the voussoir 26 is cut with scissors with the middle part of lever 27
Connect, and slided under the drive of lever 27 along the horizontal slide in seat board matrix 1, the latch hook 4 is hinged in split type seat board
On the floor 33 of centre, and it is connected by latch hook extension spring 3 with seat board matrix 1.
The central cover plate 9 is connected on seat board matrix 1 by seat board bolt 7, and wearing ring 11 passes through anti-attrition collar bolt 10
It is connected in central cover plate 9.
The seat board bolt 7 enters the through hole that seat board matrix 1 is processed with the junction of central cover plate 9, and seat board from bottom to top
The bolt head of bolt 7 is welded on 1 on seat board matrix.
The anti-attrition collar bolt 10 enters the through hole that central cover plate 9 is processed with the junction of wearing ring 11 from bottom to top, and subtracts
The bolt head of bull ring bolt 10 is welded in central cover plate 9.
The latch hook 4 is hinged on split type seat board by locking hook bolt 2, the first hexagon slotted nut 6 and the first split pin 5
On the floor 33 in center, the through hole that the locking hook bolt 2 enters on floor from bottom to top, and the bolt head welding of locking hook bolt 2
On floor 33, the hexagon slotted nut 6 of latch hook 4 and first and locking hook bolt 2 are that gap coordinates, and make latch hook 4 around latch hook
Bolt 2 is freely rotated.
The double extension springs 19 of the control stick are the reverse dual spring of varying pitch.
The wearing ring 11 is made of high-abrasive material.
The beneficial effect that the present invention is brought is：
1st, change latch hook when central cover plate need to only be pulled down, it is alternative at present generally use unloaded from tractor
Whole traction seat could change the cumbersome mode of latch hook down, make replacing parts convenient and swift, drastically increase maintenance efficiency；
2nd, wearing ring is made up of high-abrasive material, and is bolted to by wearing ring in central cover plate, when wearing ring abrasion
Anti-attrition disk can be directly changed when serious, the service life of traction seat is improved；
3rd, using the reverse dual spring of varying pitch, the impact shock that resonance can be avoided to produce reduces abrasion and vibration noise, prolonged
The service lifes such as long latch hook, voussoir.
Brief description of the drawings
Fig. 1 explosive views of the present invention；
Fig. 2 front views of the present invention (are extractd after central cover plate)；
Fig. 3 rearviews of the present invention；
Fig. 4 seat board matrixes of the present invention and central cover plate connected mode sectional view；
Fig. 5 latch hook connected mode sectional views of the present invention；
I partial enlarged drawing in Fig. 6 Fig. 5.
In figure：
1- seat board matrixes, 2- locking hook bolts, 3- latch hook extension springs, 4- latch hooks, the split pins of 5- first, the hexagonals of 6- first fluting spiral shell
Mother, 7- seat board bolts, 8- seat board nuts, 9- central cover plates, 10- anti-attrition collar bolts, 11- wearing rings, 12- wearing ring nuts, 13-
Ship and resell on another market bolt, 14- spring washers, 15- ships and resell on another market boss, 16- rubber damping sets, 17- bearings, 18- is shipped and resell on another market, and 19- control sticks are double to be drawn
Spring, 20- elastic parts, 21- connecting bolts, 22- connection sheets, the split pins of 23- second, the hexagon slotted nuts of 24- second, 25- behaviour
Vertical pole, 26- voussoirs, 27- levers, 28- pads, 29- tapered bar pins, 30- adjusting bolts, 31- adjusting nuts, 32- connecting plates, 33-
Floor.
Embodiment
The present invention is further described below in conjunction with Figure of description：
A kind of novel semi-trailer traction seat of structure optimization, including split type seat board, bearing and separation-bindiny mechanism.
As shown in Figure 1 and Figure 4, wherein split type seat board is main by 11 groups of seat board matrix 1, central cover plate 9 and wearing ring
Into central cover plate 9 is connected on seat board matrix 1 by seat board bolt 7 and seat board nut 8, and the seat board bolt 7 enters from bottom to top
Enter the through hole that seat board matrix 1 is processed with the junction of central cover plate 9, and the bolt head of seat board bolt 7 is welded on seat board matrix 1,
As shown in A in Fig. 4, wearing ring 11 is connected in central cover plate 9 by anti-attrition collar bolt 10 and wearing ring nut 12, described to subtract
Bull ring bolt 10 enters the through hole that central cover plate 9 is processed with the junction of wearing ring 11, and the spiral shell of anti-attrition collar bolt 10 from bottom to top
Bolt head is welded in central cover plate 9, as shown in D in Fig. 4, and wearing ring 11 is made up of high-abrasive material, and the bottom of seat board matrix 1 is welded with
Floor 33 and reinforcement, as shown in C in Fig. 5；
As shown in figure 1, bearing 17 sets up separately in split type seat board both sides, pass through 18, boss 15 of shipping and reselling on another market, the bolt of shipping and reselling on another market of shipping and reselling on another market
13rd, spring washer 14 and rubber damping set 16 are connected with the bearing bore on seat board matrix 1, play a part of supporting seat board；
As Fig. 1 separation-bindiny mechanism mainly by control stick 25, lever 27, voussoir 26, latch hook 4, the double extension springs 19 of control stick with
And latch hook extension spring 3 is constituted, the end of control stick 25 and one end of lever 27 are opened by connection sheet 22, connecting bolt 21, the second hexagonal
The split pin 23 of groove nut 24 and second is connected, and voussoir 26 is hinged with the middle part of lever 27 by tapered bar pin 29 and pad 28, and latch hook 4 leads to
Cross locking hook bolt 2, the first hexagon slotted nut 6 and the first split pin 5 to be hinged on the floor 33 in traction seat seat board center, institute
The through hole that locking hook bolt 2 enters on floor 33 from bottom to top is stated, and the bolt head of locking hook bolt 2 is welded on floor 33, such as Fig. 5
Shown in middle B.First hexagon slotted nut 6 has about 3mm gap, locking hook bolt 2 and the via clearance on latch hook 4 with latch hook 4
Coordinate, to ensure freely the rotating around locking hook bolt 2 of latch hook 4.The traction seat of the present invention also includes adjusting bolt 30, adjusting nut
31 and connecting plate 32 and safety block component (is not drawn into) in figure.
As shown in Figures 2 and 3, when connecing extension, the open slot that the towing pin on trailer enters traction seat center is connected firmly, and
Promote latch hook 4 overcome the pulling force of latch hook extension spring 3 around locking hook bolt 2 rotate counterclockwise along along Fig. 2, when towing pin is completely into opening
After groove, latch hook 4 is rotated to shown position, and in the presence of the double extension springs 19 of control stick, control stick 25 is inwardly moved, and lever 27 is the bottom of around
End is swung, and drives voussoir 26 to be moved from outside to inside along horizontal slide, locks latch hook 4 when voussoir 26 moves to shown position
Only, finally connect and hung into pinning control stick 25 is not shown in safety block figure.
When de- hang, safety block is opened, control stick 25 is pulled out, control stick 25 overcomes the pulling force of double extension springs 19 to outward transport
Dynamic, control stick 25 drives lever 27 to swing, and lever 27 drives voussoir 26 to move out along horizontal slide to see Fig. 3, until by latch hook 4
Get out of the way completely, now by tractor slowly driven forward, due to losing the effect of the barrier force of voussoir 26, latch hook 4 will be unable to band
Dynamic towing pin travels forward, and then trailer stops, and tractor moves forward alone, causes latch hook 4 around locking hook bolt 2 along Fig. 2
In rotate clockwise, completely disengaged from until with towing pin, it is de- to hang into.
The process for changing latch hook 4 is as follows：
During dismounting, four seat board nuts 8 of the top of central cover plate 9 are unloaded first, central cover plate 9 just can be unloaded, such as Fig. 2
Shown, latch hook 4 will be fully exposed by unloading central cover plate 9, take latch hook extension spring 3, then pull down the first split pin 5 and
First hexagon slotted nut 6, just replaceable latch hook 4；
During assembling, latch hook 4 is enclosed on locking hook bolt 2, the through hole on latch hook 4 coordinates with locking hook bolt 2 for gap, mounting
Upper latch hook extension spring 3, screws on the first hexagon slotted nut 6, when tightening, and the lower surface of hexagonal fluting seat board nut 8 is apart from latch hook upper table
The face You Yue3mm gaps gap is controlled by locking hook bolt reach, as shown in Figure 5 and Figure 6, with the locking of the first split pin 5,
Central cover plate 9 is covered, four seat board nuts 8 are finally tightened, replacing is finished.
Claims (3)
1. a kind of traction base of semitrailer, including split type seat board, bearing and separation-bindiny mechanism, it is characterised in that：Described point
Body formula seat board mainly by seat board matrix (1), the central cover plate (9) being connected on seat board matrix (1) and is connected in central cover plate
(9) wearing ring (11) composition on；Seat board matrix (1) lower weld has floor (33) and reinforcement, the separation-connection
Mechanism is main by control stick (25), lever (27), voussoir (26), latch hook (4), the double extension springs (19) of control stick and latch hook extension spring (3)
Composition, the end and one end of lever (27) of the control stick (25) are hinged, and pass through the double extension springs (19) of control stick and seat board base
Body (1) is connected, and the voussoir (26) is interior along seat board matrix (1) with being hinged in the middle part of lever (27), and under the drive of lever (27)
Horizontal slide slide, the latch hook (4) is hinged on the floor (33) in split type seat board center, and passes through latch hook extension spring (3)
It is connected with seat board matrix (1)；
The central cover plate (9) is connected on seat board matrix (1) by seat board bolt (7), and wearing ring (11) passes through wearing ring spiral shell
Bolt (10) is connected in central cover plate (9)；
The seat board bolt (7) enters the through hole that seat board matrix (1) is processed with central cover plate (9) junction, and seat from bottom to top
The bolt head of crab bolt (7) is welded on seat board matrix (1)；
The anti-attrition collar bolt (10) enters the through hole that central cover plate (9) is processed with wearing ring (11) junction from bottom to top, and
The bolt head of anti-attrition collar bolt (10) is welded in central cover plate (9)；
The latch hook (4) is hinged on split type by locking hook bolt (2), the first hexagon slotted nut (6) and the first split pin (5)
On the floor (33) in seat board center, the through hole that the locking hook bolt (2) enters on floor from bottom to top, and locking hook bolt (2)
Bolt head is welded on floor (33), and the latch hook (4) is gap with the first hexagon slotted nut (6) and locking hook bolt (2)
Coordinate, latch hook (4) is freely rotated around locking hook bolt (2).
2. a kind of traction base of semitrailer according to claim 1, it is characterised in that the double extension springs (19) of the control stick are change
The reverse dual spring of pitch.
3. a kind of traction base of semitrailer according to claim 1, it is characterised in that the wearing ring (11) uses wear-resisting material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481719.6A CN105172918B (en) | 2015-04-20 | 2015-08-03 | A kind of traction base of semitrailer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015101877015 | 2015-04-20 | ||
| CN201510187701 | 2015-04-20 | ||
| CN201510481719.6A CN105172918B (en) | 2015-04-20 | 2015-08-03 | A kind of traction base of semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105172918A CN105172918A (en) | 2015-12-23 |
| CN105172918B true CN105172918B (en) | 2017-08-25 |
Family
ID=54895507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510481719.6A Active CN105172918B (en) | 2015-04-20 | 2015-08-03 | A kind of traction base of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105172918B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407826A (en) * | 2018-01-25 | 2018-08-17 | 镇江市宝华半挂车配件有限公司 | Automobile-used traction base of semitrailer is transported in a kind of railway hunchback |
| CN109263415B (en) * | 2018-09-14 | 2020-10-09 | 阜南县申通机械制造有限公司 | Automatic change semitrailer and pull seat |
| CN109436109A (en) * | 2018-12-10 | 2019-03-08 | 中国重汽集团济南动力有限公司 | A kind of lightweight saddle assembly |
| CN115284800A (en) * | 2022-09-02 | 2022-11-04 | 华北理工大学 | Locking device of semitrailer traction seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056612A (en) * | 1960-10-14 | 1962-10-02 | York Trailer Company Ltd | Coupling gear |
| CN1395152A (en) * | 2001-07-11 | 2003-02-05 | 纬创资通股份有限公司 | Portable computer and internal frame |
| CN201951180U (en) * | 2011-03-16 | 2011-08-31 | 湖南吉丰汽车零部件有限公司 | Automobile rear axle housing |
| CN202400179U (en) * | 2012-01-04 | 2012-08-29 | 约斯特（中国）汽车部件有限公司 | Saddle-type traction seat |
| CN204915878U (en) * | 2015-08-03 | 2015-12-30 | 吉林大学 | Semitrailer pulls seat |
-
2015
- 2015-08-03 CN CN201510481719.6A patent/CN105172918B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056612A (en) * | 1960-10-14 | 1962-10-02 | York Trailer Company Ltd | Coupling gear |
| CN1395152A (en) * | 2001-07-11 | 2003-02-05 | 纬创资通股份有限公司 | Portable computer and internal frame |
| CN201951180U (en) * | 2011-03-16 | 2011-08-31 | 湖南吉丰汽车零部件有限公司 | Automobile rear axle housing |
| CN202400179U (en) * | 2012-01-04 | 2012-08-29 | 约斯特（中国）汽车部件有限公司 | Saddle-type traction seat |
| CN204915878U (en) * | 2015-08-03 | 2015-12-30 | 吉林大学 | Semitrailer pulls seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105172918A (en) | 2015-12-23 |
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