CN1974302A - Trailer - Google Patents
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- CN1974302A CN1974302A CN 200610113332 CN200610113332A CN1974302A CN 1974302 A CN1974302 A CN 1974302A CN 200610113332 CN200610113332 CN 200610113332 CN 200610113332 A CN200610113332 A CN 200610113332A CN 1974302 A CN1974302 A CN 1974302A
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Abstract
The trailer includes mainly one hauling machine, one auxiliary frame, one suspension device, one braking device and one tail lamp system. It features the suspension device with one nearly square torsion piece combination comprising elastic steel pieces; the braking device with one braking shoe assembly comprising one double layered rocker, two locating pins, one braking shoe plate and one braking friction sheet; the tail lamp system with at least one transition connector connected between one plug and one socket. The trailer has the advantages of capacity of being connected with different kinds of tractor, smooth running, etc.
Description
Technical field
The present invention relates to a kind of trailer.
Background technology
Trailer is widely used in the vehicular transport as the effective means that increases vehicle transportation amount, and general trailer connects subframe, the suspension gear of traction head, compositions such as brake equipment and taillight system, trailer cabin body mainly by the traction head.There is following problem in existing trailer: 1, traditional trailer generally adopts the BF form to connect car body and wheel as the trailer suspension gear, and its volume is big, body gravity is higher, and stationarity is relatively poor; The mode of employing torsion shaft is head it off preferably, but general torsion shaft is to adopt circular torsion bar, and the torsional angle of circular torsion bar is less, and the single-piece torsion bar, and its elasticity and energy storage capacity are less.2, the inertia braking device of existing trailer comprises two brake shoe assemblys, and an end of two brake shoe assemblys connects a supporting mechanism, and the other end connects one and opens mechanism.When the vehicle traction car braked, the traction main shaft on the trailer just can be subjected to an impulsive contact force backward, and then drove the backguy of rocker arm body traction braking, started and opened mechanism.This moment is owing to open mechanism and drive two brake shoe assemblys and outwards open, and makes the cylinder inner face generation contact friction of the outside face that is fixed on the brake shoe assembly upper friction plate and brake wheel, and moment is travelled trailer by friction moment and is braked.But this brake equipment has a shortcoming, be exactly when reversing automobile, tractor truck is drawn back, the traction main shaft can be subjected to a thrust backward equally, can start too and open mechanism and strut two brake shoe brake cheek, trailer is braked, and therefore, most of trailer of inertia braking device that uses can not normally be moveed backward.3, when trailer is connected with tractor truck, the taillight socket of tractor truck afterbody and the plug of trailer taillight system need be coupled together, to guarantee the normal use of trailer taillight, same model (comprises the model or the trade mark, below identical, no longer repetition) tractor truck and trailer, plug and socket is to mate mutually, but when tractor truck and trailer each other during different automobile types, its taillight socket and plug just might not match, can not the direct connection normal operation, such as the east wind that generally uses, liberation, three kinds of vehicles of Steyr, the taillight socket and the plug of each vehicle have nothing in common with each other, the use of can not arbitrarily pegging graft between mutually; The output voltage of each vehicle power-supply system is also not the same simultaneously, has therefore greatly limited the trailer and the exchange between the tractor truck of various vehicles and has used.
Summary of the invention
It is big to the purpose of this invention is to provide a kind of suspension gear torsional angle at the problems referred to above, and energy storage capacity is higher, and trailer has braking force self-induction type removing function in reversing process, and can be apace and various different automobile types tractor truck taillight system bonded assembly trailer.
For achieving the above object, the present invention takes following technical scheme: a kind of trailer, it mainly comprises traction head, subframe, suspension gear, brake equipment and taillight system, it is characterized in that: described suspension gear comprises the two tire axles that are connected on the described subframe, be separately fixed at two equilibrium arms on the described tire axle, the bottom of described two equilibrium arms is provided with one respectively and hangs perforating; One is fixed on the suspension crossbeam on the described subframe, at described suspension crossbeam and described equilibrium arm junction one seal lubrication device is set respectively; A pair of being fixed on turned round the sheet locating piece in the described suspension crossbeam, described turn round be provided with in the sheet locating piece one approximate be square turn round the sheet fabricate block, the described sheet fabricate block of turning round is made up of multi-disc elastic steel sheet two ends weld together, fix an adapter sleeve respectively at the described two ends of turning round the sheet fabricate block, between the suspension perforating of two described adapter sleeves and described equilibrium arm, fix an orienting sleeve respectively, between two described orienting sleeves and described suspension crossbeam, be provided with one respectively and make the described axle sleeve that forms normal-running fit between sheet fabricate block and the described suspension crossbeam of turning round; Two lock bolts, it passes the described equilibrium arm in two ends, orienting sleeve and adapter sleeve respectively, is fixed on described turning round on the sheet fabricate block; Described brake equipment comprises that one is connected the back-plate on the subframe, described back-plate is provided with a supporting mechanism and and opens mechanism, at described supporting mechanism with open and be provided with two brake shoe assemblys between the mechanism, be provided with two retracing springs between described two brake shoe assemblys, wherein the described brake shoe assembly of a side comprises that brake shoe rib plate and that two ends connect supporting mechanism respectively and open mechanism is arranged on the brake shoe lining of described brake shoe rib plate outer rim; The described brake shoe assembly of opposite side comprises the pair of lamina rocking arm, be provided with two registration masts between the described double-deck rocking arm, the two ends of described double-deck rocking arm fuse, and be connected to described supporting mechanism and open in the mechanism, between described double-deck rocking arm, plug the brake shoe rib plate of an activity, the outer rim of movable described brake shoe rib plate is provided with a brake shoe lining, inner edge is provided with two notches that cooperate with described two described registration masts, is provided with a retracing spring between described double-deck rocking arm and homonymy brake shoe rib plate; Described taillight system comprises a taillight system plug, the cable and two groups of taillights that are connected described cable that connect described taillight system plug, at least one crossover sub, one end of described crossover sub be one with the cooresponding socket of described taillight system plug, the other end is the cooresponding plug of taillight socket on the tractor truck different with described taillight system plug place trailer vehicle; A pair ofly be hinged on resilient clip on the described crossover sub socket one end outer wall, be provided with retracing spring between described resilient clip and the hinged support by fulcrum.
Described suspension gear turn round the screw of captiveing joint with described lock bolt in sheet fabricate block two ends, be separately positioned on the described facade of turning round the sheet fabricate block.
Two orienting sleeves of described suspension gear axially and be inserted with an anti-rotation set pin that prevents radial displacement between the two between described two equilibrium arms.
Two orienting sleeves of described suspension gear axially and be inserted with an anti-rotation set pin that prevents radial displacement between the two between described two equilibrium arms.
The cable of described taillight system is divided into two sections, and leading portion connects described taillight system plug, and back segment connects described two cover taillights, and the other end of described front and rear sections cable connects a plug-in unit respectively, connects a voltage changer between two described plug-in units.
The voltage changer of described taillight system comprises a box body, in described box body, be provided with the DC-DC changer, the input anode of DC-DC changer connects one group of diode D1～D4, diode D1～D4 input end connects the positive pole of power supply, one group of current limliting diode D5～D8 anodal in parallel at diode D1～D4, the contact coil of a group relay KA1～KA4 of the negative pole of current limliting diode D5～D8, connect the contact of a group relay KA1～KA4 at the output head anode of DC/DC changer, the contact other end connects left-hand rotation respectively, turn right, go out walking in the night, the brake signal taillight; The negative pole of the negative pole of KA1～KA4 coil, DC-DC changer input/output terminal and the negative pole of each signal taillight are connected the negative pole of power supply respectively.
The quantity of the crossover sub of described taillight system is for connecting two or more of different traction vehicles.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is owing to adopt in suspension gear multi-disc spring steel plate two ends weld together, form one and turn round the sheet fabricate block, and turn round the approximate square that is of sheet fabricate block cross sectional shape, therefore its compared with prior art not only torsional angle and compare than big many of circular torsion-bar spring with prior aries such as steel spring or coil springs, can be more solid, stored energy is more, and is more stable.Suspension gear of the present invention is turned round the sheet fabricate block owing to be provided with a single-piece simultaneously, and at the middle part of fabricate block by turning round the sheet locating piece and hanging crossbeam and captive joint, make the both sides of single-piece suspension gear constitute independent structures respectively, when therefore the single wheel that causes when the road injustice jolts, turning round the sheet fabricate block can be that fulcrum reverses in a side and releases energy to turn round the sheet fixed block, and it can be delivered to opposite side, thereby the directional tagging when finishing the equilibrium arm rotation better, the smooth running of maintenance vehicle.Suspension gear of the present invention in addition passes equilibrium arm, orienting sleeve and adapter sleeve owing to being provided with, and be fixed on the lock bolt of turning round on the sheet fabricate block, the screw that particularly will fixedly turn round the sheet fabricate block is arranged on turns round sheet fabricate block facade one side, and between equilibrium arm and orienting sleeve, be provided with the anti-rotation set pin, therefore can actv. prevent the equilibrium arm end float misalignment and prevent orienting sleeve and equilibrium arm between radially rotation, make the connection of suspension gear of the present invention more reliable.2, brake equipment of the present invention is owing to being designed to a side brake shoe assembly by the pair of lamina rocking arm and being plugged in the version that the movable brake shoe rib plate between the double-deck rocking arm is formed, and brake shoe lining is arranged on the outer rim of movable brake shoe rib plate, therefore can realize the reversing of trailer by the change in location of movable brake shoe lining in different situations.The present invention simultaneously is owing to be provided with two registration masts between double-deck rocking arm, and be provided with two notches that cooperate with two registration masts at the inner edge of the brake shoe rib plate of activity, therefore when vehicle to overtake the time, the present invention can normal brake application, and when vehicle fell back, in the braking force effect, two notches on the movable brake shoe rib plate can move to the inside along two registration masts, brake shoe lining outside face and brake wheel inner face are disengaged, thereby reversing is carried out.The present invention is provided with retracing spring between the brake shoe rib plate of activity and double-deck rocking arm in addition, therefore can make with two registration masts and have the movable brake shoe lining and the brake shoe lining of opposite side, remain mutual cooresponding position in normal enforcement and glancing impact, after reversing is finished, return to original position.3, taillight system of the present invention is owing to be provided with at least one crossover sub, end at crossover sub is provided with a plug that matches with tractor truck taillight socket, the other end is provided with a socket that matches with trailer taillight system plug, the tractor truck and the trailer that therefore can connect different automobile types by crossover sub, several different crossover subs particularly are set, the conversion that just can realize various different automobile types tractor trucks and trailer easily is connected, and improves the manoevreability that army's vehicle uses.Taillight system simultaneously of the present invention is owing to be provided with a voltage changer, by being arranged on the DC-DC changer in the voltage changer, just can be with the different voltages of input, automatically therefore the stable taillight operating voltage of conversion output can solve various tractor trucks and the unmatched problem of trailer taillight system input voltage effectively.The present invention is simple in structure in addition, and is easy to make, not only connects efficient and conveniently, and safe and reliable, is convenient to maintenance.Trailer of the present invention is because every improvement more than having taked in suspension gear, brake equipment and taillight system, make the present invention have better performance, it can be widely used in the various hauling operations, its significant especially advantage is to be connected with the tractor truck of various different automobile types, can move backward, suspension can store more energy, and it is more steady that trailer is travelled.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the schematic top plan view of Fig. 1
Fig. 3 is a suspension gear structural representation of the present invention
Fig. 4 is the local enlarged diagram of Fig. 3
Fig. 5 turns round sheet composite unit structure scheme drawing in the suspension gear of the present invention
Fig. 6 is a brake device structure scheme drawing of the present invention
Fig. 7 is a double-deck rocker structure scheme drawing in the brake equipment of the present invention
Fig. 8 is the schematic side view of Fig. 7
Fig. 9 is a brake shoe rib plate structural representation movable in the brake equipment of the present invention
Figure 10 is a crossover sub structural representation in the taillight of the present invention system
Figure 11 is a voltage changer circuit connection diagram of the present invention
Figure 12 is taillight system plug of the present invention and crossover sub connection diagram
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1 and Figure 2, trailer of the present invention mainly comprises traction head 100, subframe 200, suspension gear 300, brake equipment 400 and taillight system 500.
Shown in Fig. 3～5, suspension 300 of the present invention comprises that two are arranged on the tire axle 301 of subframe 200 both sides, fixes an equilibrium arm 302 on two tire axles 301 respectively, is provided with one in the bottom of two equilibrium arms 302 respectively and hangs perforating.One hangs crossbeam 303 is fixed on the subframe, and the central authorities of hanging crossbeam 303 are connected by the draw beam 101 of connecting device 304 with traction head 100.Be provided with the seal lubrication device 305 that comprises seal ring in the junction that hangs crossbeam 303 and two equilibrium arms 302.One turn round sheet fabricate block 306 with what the two ends weld together of multi-disc spring steel plate was formed, turn round the cross sectional shape of sheet fabricate block 306 approximate be square best, the a pair of sheet locating piece 307 of turning round is set at the middle part of turning round sheet fabricate block 306, two the butt joint the interior loop-shaped of turning round sheet locating piece 307 with turn round the sheet fabricate block 306 corresponding squarish that are, the outer ring is and hangs the cooresponding circle of crossbeam 303 internal diameters, turns round sheet fabricate block 306 middle parts and is fixed in the suspension crossbeam 303 by turning round sheet locating piece 307.Fix an adapter sleeve 308 respectively at the two ends of turning round sheet fabricate block 306, the interior loop-shaped of adapter sleeve 308 with turn round the sheet fabricate block 306 corresponding squarish that are, the outer ring is rounded.In the outside of two adapter sleeves 308 orienting sleeve 309 is set respectively, the outer ring of two orienting sleeves 309 is inserted in respectively in the suspension perforating of two equilibrium arms, 302 bottoms, between at both ends orienting sleeve 309 and the equilibrium arm 302, from axially plugging an anti-rotation set pin 310 respectively, prevent that the two from radially relatively rotating, one end cap 311 is set respectively at two external end edges that hang perforating.In the bottom of two equilibrium arms 302 lock bolt 312 is set respectively, lock bolt 312 passes equilibrium arm 302, orienting sleeve 309 and adapter sleeve 308, is fixed on and turns round on the sheet fabricate block 306.The present invention is arranged on the facade of turning round sheet fabricate block 306 one side that cooperates with lock bolt 312 with screw 313, to reducing the influence of turning round sheet fabricate block 306 and the better effects if of anti-end float misalignment.Between at both ends orienting sleeve 309 and the suspension crossbeam 303 an anti abrasive axle sleeve 314 is set respectively, axle sleeve 314 can be fixed on and hang crossbeam 303 inner rings, also can be fixed on orienting sleeve 309 outer rings, generally be the outer ring that is fixed on orienting sleeve 309, make between the suspension crossbeam of turning round on sheet fabricate block 306 and the subframe 200 303 and form normal-running fit.
When above-mentioned suspension gear 300 is operated, because what the road injustice caused jolts, tire axle 301 that can be by a side passes to impact load and moment of torsion through equilibrium arm 302 and turns round sheet fabricate block 306, turning round sheet fabricate block 306 is the fulcrum independent torsional with the fixing sheet locating piece 307 of turning round, alleviate impact load and moment of torsion, and moment of torsion can not passed to opposite side, make bonded assembly trailer of the present invention travel more stable.
As shown in Figure 6, brake equipment 400 of the present invention comprises that one is connected the back-plate 401 on the subframe 200, back-plate 401 is provided with one and opens a mechanism 402 and a supporting mechanism 403, at supporting mechanism 403 with open to be provided with between the mechanism 402 between two brake shoe assemblys, 404,405, two brake shoe assemblys 404,405 and be respectively arranged with a retracing spring 406,407 up and down.One side (such as the right side) brake shoe assembly 404 comprises that brake shoe rib plate 408 and that two ends connect supporting mechanism 403 respectively and open mechanism 402 is arranged on the brake shoe lining 409 of brake shoe rib plate 408 outer rims.
Shown in Fig. 7～9, the difference of the present invention and prior art shows: the brake shoe assembly 405 of opposite side comprises a double-deck Rocker arm 4 10 of being made up of two lamellar bodies, between double-deck Rocker arm 4 10, be provided with two registration masts 411 that two lamellar bodies separated a determining deviation, on the double-deck Rocker arm 4 10, following two ends are integrally welded respectively and be connected supporting mechanism 403 and open in the mechanism 402, between double-deck Rocker arm 4 10, plug the brake shoe rib plate 412 of an activity, brake shoe rib plate 412 outer rims are provided with brake shoe lining 413, brake shoe rib plate 412 inner edges are provided with two notches 414 that cooperate with two registration masts 411, when trailer was moveed backward, brake shoe rib plate 412 inner edges were along in two notches 414 of two registration masts, 411 indentations.Between double-deck Rocker arm 4 10 and brake shoe rib plate 412, be provided with a retracing spring 415, this retracing spring 415 can make brake shoe lining 413 be positioned at opposite side brake shoe lining 409 corresponding positions on.
1, vehicle is when working direction is travelled, the tractor truck braking, the mechanism 402 of opening of trailer braking protection valve device 400 is opened, two brake shoe brake cheek, 404,405 assemblies are outside spreading respectively, and the outside face of two braking shoe friction plates 409,413 and the internal surface of column of brake wheel produce friction moment (as shown in Figure 6).Because the direction (supposing it is clockwise direction) that wheel advances, the friction moment direction that the friction lining 409,413 that is fixed on the brake shoe assembly 404,405 and brake wheel are produced is pressed to brake shoe assembly 404 1 sides, and open on mechanism 402 and the supporting mechanism 403 and brake shoe rib plate 408 two ends on the brake shoe assembly 404 all are captive joints, therefore brake shoe lining 409,413 and brake wheel are embraced tighter and tighter, finish until wheel and stop.
2, during vehicle backing, the mechanism of opening of trailer braking protection valve device 400 is opened, two brake shoe assemblys 404,405 are outside spreading respectively, and two braking shoe friction plates 409,413 stop trailer with the friction moments of brake wheel inner cylinder face generation.But because the astern direction of wheel (is complied with above-mentioned hypothesis at this moment, be anticlockwise direction this moment), be to make to be fixed on brake shoe assembly 404, friction lining 409 on 405, the 413 friction moment directions that produce with brake wheel are pressed to brake shoe assembly 405 1 sides, and the brake shoe lining 413 on the brake shoe assembly 405 is on the brake shoe rib plate 412 of the activity that is connected, therefore the brake shoe rib plate 412 anti-clockwise moment loading that fallen backward by wheel, slide along registration mast 411, and brake shoe rib plate 412 is when sliding, notch 414 on it just can slide along two registration masts, friction lining 413 is partly separated with brake wheel, thereby reduced the effect of the friction moment that produced between brake shoe lining 413 and the brake wheel, the car-backing function of trailer is kept.
As Fig. 1, shown in Figure 10, taillight of the present invention system 500 comprises that a taillight system plug 501, connects the cable 502 of taillight system plug 501 and the taillight 503 of two groups of connecting cable lines 502.Taillight of the present invention system also comprises at least one crossover sub 504, an end of crossover sub 504 be one with taillight system plug 501 cooresponding sockets 541, the other end be one with tractor truck on the cooresponding plug 542 of taillight socket (not shown).A pair of resilient clip 505, resilient clip 505 is hinged on the outer wall of crossover sub 504 sockets 5,041 one ends by fulcrum 506, is provided with retracing spring 507 between hinged support 506 and the resilient clip 505.The plug 5042 at crossover sub 504 two ends, socket 5041 are pairing not to be tractor truck and trailer with a kind of vehicle.Like this, because the existence of crossover sub 504 is arranged, taillight system plug 501 both can directly have been inserted the taillight socket of the tractor truck identical with trailer, can connect the tractor truck taillight socket of another kind of different automobile types again by crossover sub 504.If two, three or more crossover sub 504 are set simultaneously, just can connect various and tractor truck taillight system place trailer different automobile types arbitrarily.
As shown in figure 11, the present invention is directed to the operating voltage difference of some tractor truck power-supply system output, also taked following measure, the cable 502 that is about in original technology is divided into two sections, leading portion connects taillight system plug 501, back segment connects two groups of taillights 503, and the other end of front and rear sections cable 502 connects a plug-in unit 508 respectively, connects a voltage changer 510 between two plug-in units 8.As shown in Figure 3, voltage changer 510 comprises a box body 511, and the DC-DC changer of buying on the market 12 is set in box body 511.The input anode of DC-DC changer 12 connects one group of diode D1～D4, the anodal positive pole that connects power supply of diode D1～D4, one group of current regulator diode D5～D8 anodal in parallel at diode D1～D4, the contact coil of a group relay KA1～KA4 of the negative pole of current regulator diode D5～D8, connect the contact of a group relay KA1～KA4 at the output head anode of DC/DC changer 12, the contact other end connects left-hand rotation, right-hand rotation, night flight or navigation, brake signal taillight respectively; The negative pole of the negative pole of KA1～KA4 coil, DC-DC changer input/output terminal and the negative pole of each signal taillight are connected the negative pole of power supply respectively.
Taillight of the present invention system 500 is an example with the taillight system of any easterly dongfeng vehicle type, when tractor truck is easterly dongfeng vehicle type, can directly dock with the taillight socket of tractor truck with trailer taillight system plug 501, although the taillight voltage of the tractor truck output of the different trades mark of same model also may be inequality, can export stable 24V taillight operating voltage through voltage changer 510 of the present invention.
As shown in figure 12, when needs bonded assembly tractor truck is liberation vehicle or Steyr vehicle, just take out a crossover sub 504 that is used to connect liberation car or Steyr car, the socket 541 of crossover sub 504 is connected taillight system plug 501, and by resilient clip 505 chuckings, plug 542 1 ends of crossover sub 504 are connected tractor truck taillight socket, just can finish the connection of hanging up the taillight system.The power line voltage of tractor truck output this moment through voltage changer 510 of the present invention, just can be exported stable 24V taillight operating voltage generally at 10～36V automatically, lights the taillight of unlike signal respectively.
In the foregoing description, the taillight system also can be liberation vehicle or Steyr vehicle, and is equipped with the crossover sub 504 of east wind and Steyr or east wind and liberation vehicle, according to principle of the present invention, can also be equipped with more crossover sub 504, and be applicable to the more interworking of multi-vehicle-type trailer and tractor truck.
Claims (9)
1, a kind of trailer, it mainly comprises traction head, subframe, suspension gear, brake equipment and taillight system is characterized in that:
Described suspension gear comprises the two tire axles that are connected on the described subframe, is separately fixed at two equilibrium arms on the described tire axle, and the bottom of described two equilibrium arms is provided with one respectively and hangs perforating; One is fixed on the suspension crossbeam on the described subframe, at described suspension crossbeam and described equilibrium arm junction one seal lubrication device is set respectively; A pair of being fixed on turned round the sheet locating piece in the described suspension crossbeam, described turn round be provided with in the sheet locating piece one approximate be square turn round the sheet fabricate block, the described sheet fabricate block of turning round is made up of multi-disc elastic steel sheet two ends weld together, fix an adapter sleeve respectively at the described two ends of turning round the sheet fabricate block, between the suspension perforating of two described adapter sleeves and described equilibrium arm, fix an orienting sleeve respectively, between two described orienting sleeves and described suspension crossbeam, be provided with one respectively and make the described axle sleeve that forms normal-running fit between sheet fabricate block and the described suspension crossbeam of turning round; Two lock bolts, it passes the described equilibrium arm in two ends, orienting sleeve and adapter sleeve respectively, is fixed on described turning round on the sheet fabricate block;
Described brake equipment comprises that one is connected the back-plate on the subframe, described back-plate is provided with a supporting mechanism and and opens mechanism, at described supporting mechanism with open and be provided with two brake shoe assemblys between the mechanism, be provided with two retracing springs between described two brake shoe assemblys, wherein the described brake shoe assembly of a side comprises that brake shoe rib plate and that two ends connect supporting mechanism respectively and open mechanism is arranged on the brake shoe lining of described brake shoe rib plate outer rim; The described brake shoe assembly of opposite side comprises the pair of lamina rocking arm, be provided with two registration masts between the described double-deck rocking arm, the two ends of described double-deck rocking arm fuse, and be connected to described supporting mechanism and open in the mechanism, between described double-deck rocking arm, plug the brake shoe rib plate of an activity, the outer rim of movable described brake shoe rib plate is provided with a brake shoe lining, inner edge is provided with two notches that cooperate with described two described registration masts, is provided with a retracing spring between described double-deck rocking arm and homonymy brake shoe rib plate;
Described taillight system comprises a taillight system plug, the cable and two groups of taillights that are connected described cable that connect described taillight system plug, at least one crossover sub, one end of described crossover sub be one with the cooresponding socket of described taillight system plug, the other end is the cooresponding plug of taillight socket on the tractor truck different with described taillight system plug place trailer vehicle; A pair ofly be hinged on resilient clip on the described crossover sub socket one end outer wall, be provided with retracing spring between described resilient clip and the hinged support by fulcrum.
2, a kind of trailer as claimed in claim 1 is characterized in that: described suspension gear turn round the screw of captiveing joint with described lock bolt in sheet fabricate block two ends, be separately positioned on the described facade of turning round the sheet fabricate block.
3, a kind of trailer as claimed in claim 1 is characterized in that: two orienting sleeves of described suspension gear axially and be inserted with an anti-rotation set pin that prevents radial displacement between the two between described two equilibrium arms.
4, a kind of trailer as claimed in claim 2 is characterized in that: two orienting sleeves of described suspension gear axially and be inserted with an anti-rotation set pin that prevents radial displacement between the two between described two equilibrium arms.
5, as claim 1 or 2 or 3 or 4 described a kind of trailers, it is characterized in that: the cable of described taillight system is divided into two sections, leading portion connects described taillight system plug, back segment connects described two cover taillights, the other end of described front and rear sections cable connects a plug-in unit respectively, connects a voltage changer between two described plug-in units.
6, a kind of trailer as claimed in claim 5, it is characterized in that: the voltage changer of described taillight system comprises a box body, in described box body, be provided with the DC-DC changer, the input anode of DC-DC changer connects one group of diode D1～D4, diode D1～D4 input end connects the positive pole of power supply, one group of current limliting diode D5～D8 anodal in parallel at diode D1～D4, the contact coil of a group relay KA1～KA4 of the negative pole of current limliting diode D5～D8, connect the contact of a group relay KA1～KA4 at the output head anode of DC/DC changer, the contact other end connects left-hand rotation respectively, turn right, go out walking in the night, the brake signal taillight; The negative pole of the negative pole of KA1～KA4 coil, DC-DC changer input/output terminal and the negative pole of each signal taillight are connected the negative pole of power supply respectively.
7, as claim 1 or 2 or 3 or 4 or 6 described a kind of trailers, it is characterized in that: the quantity of the crossover sub of described taillight system is for connecting two or more of different traction vehicles.
8, a kind of trailer as claimed in claim 5 is characterized in that: the quantity of the crossover sub of described taillight system is for connecting two or more of different traction vehicles.
9, as the described a kind of trailer of claim 1～8, it is characterized in that: two orienting sleeves of described suspension gear axially and be inserted with an anti-rotation set pin that prevents radial displacement between the two between described two equilibrium arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101133326A CN100448734C (en) | 2006-09-22 | 2006-09-22 | Trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101133326A CN100448734C (en) | 2006-09-22 | 2006-09-22 | Trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1974302A true CN1974302A (en) | 2007-06-06 |
| CN100448734C CN100448734C (en) | 2009-01-07 |
Family
ID=38124722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101133326A Expired - Fee Related CN100448734C (en) | 2006-09-22 | 2006-09-22 | Trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100448734C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353062B (en) * | 2007-07-27 | 2010-11-10 | 中国国际海运集装箱(集团)股份有限公司 | Framework vehicle |
| CN105459745A (en) * | 2015-12-28 | 2016-04-06 | 勾长虹 | Traction device for semi-trailer |
| CN105691129A (en) * | 2015-12-28 | 2016-06-22 | 勾长虹 | Trailer device with high stability |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143022B (en) * | 2016-07-18 | 2019-01-08 | 广州威能机电有限公司 | Engineering traction mechanism |
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| US5326128A (en) * | 1991-09-09 | 1994-07-05 | Csn Manufacturing, Inc. | Variable-width torsion spring axle |
| CN2325584Y (en) * | 1998-01-25 | 1999-06-23 | 番禺市长功汽车环形制动器有限公司 | Two face ring-like brake for automobile in emergency and parking braking |
| US20020195594A1 (en) * | 2000-10-18 | 2002-12-26 | Cauchon Denis G. | Spring-loaded winch adaptation for load restraint system |
| US6494478B1 (en) * | 2000-09-19 | 2002-12-17 | Charles J. Mackarvich | Force responsive trailer hitch |
| CN2533025Y (en) * | 2001-11-19 | 2003-01-29 | 山东汇金股份有限公司车桥厂 | Non-braking inertial brake for reversing of trailer |
| CN2586631Y (en) * | 2002-10-24 | 2003-11-19 | 中国人民解放军总后勤部军需装备研究所 | Trailer braking arrangement |
| CN2635427Y (en) * | 2003-06-18 | 2004-08-25 | 霍成 | Agricultural power trailer |
-
2006
- 2006-09-22 CN CNB2006101133326A patent/CN100448734C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353062B (en) * | 2007-07-27 | 2010-11-10 | 中国国际海运集装箱(集团)股份有限公司 | Framework vehicle |
| CN105459745A (en) * | 2015-12-28 | 2016-04-06 | 勾长虹 | Traction device for semi-trailer |
| CN105691129A (en) * | 2015-12-28 | 2016-06-22 | 勾长虹 | Trailer device with high stability |
| CN105691129B (en) * | 2015-12-28 | 2018-02-13 | 勾长虹 | Trailer equipment with high stability energy |
| CN105459745B (en) * | 2015-12-28 | 2018-02-13 | 勾长虹 | Draw-gear for semitrailer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100448734C (en) | 2009-01-07 |
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