A kind of gooseneck modular device of the module disengaging type semitrailer of covariant
Technical field
The present invention relates to semitrailer technical field, more particularly to a kind of gooseneck module of the module disengaging type semitrailer of covariant
Device.
Background technology
It is well known that semitrailer is and state key construction, the national economic development, social development and heavy vehicle equipment
Technology develops tight association;In general, semitrailer is 30 kinds of classifications and the engineering machinery of hundred kinds of models and various intangibilities
The special transport vehicle of the Large heavy cargo transport of body.
Existing traction semitrailer:It is divided into two independent sectors of tractor and semitrailer.Existing traditional semitrailer technology
In, construction is that gooseneck, loading surface, frame beam, load carrier, Wheels group arrangement, suspension etc. are weldedization monoblock type
Structure is formed;
Obviously still there is following technological deficiency in existing semitrailer:
Wherein, traditional semitrailer is typically all to draw pin connection by the saddle A of tractor and the gooseneck of semitrailer;Such as
Shown in Fig. 1, i.e., the bottom of gooseneck device of the prior art is welded with towing pin B, and towing pin B is inserted into the saddle behind headstock
In the mounting hole of seat location A, form pin-and-hole and coordinate, and then realize the rigid connection of semitrailer headstock and vehicle body;It is it will be apparent that existing
Headstock and vehicle body are realized rigid connection by the gooseneck device and towing pin of some semitrailers, therefore are being run in semitrailer traveling
When on the road surface winnowed with a dustpan, the rigid connection mode of headstock and vehicle body causes the Oscillation Amplitude of headstock and vehicle body all very big, while not
Acted on rotating oscillation damping;
Meanwhile the gooseneck device of existing semitrailer can't realize elevating function, so be unfavorable for tearing open for semitrailer
Operation is unloaded, easily influences removal efficiency, is made troubles to use.
To sum up, how to overcome the above-mentioned technological deficiency in conventional art is that those skilled in the art's technology urgently to be resolved hurrily is asked
Topic.
The content of the invention
It is an object of the invention to provide a kind of gooseneck modular device of the module disengaging type semitrailer of covariant, with solution
State problem.
In order to achieve the above object, the technical proposal of the invention is realized in this way:
The gooseneck modular device of the present invention, it mainly includes 1, convex-concave connection gooseneck;2nd, double-pin connection two kinds of structures of gooseneck
Form;I.e. described gooseneck device module specifically includes two kinds of gooseneck modular devices that convex-concave connection gooseneck connects gooseneck with double-pin.
A kind of gooseneck modular device of the module disengaging type semitrailer of covariant of the present invention, including concavo-convex connection gooseneck, it is described
Bumps connection gooseneck sets gradually gooseneck closing piece 101, gooseneck body 102, gooseneck groove 103 and saddle 104, liquid from top to bottom
System and device 105 is pressed, wherein:
Annexation, position relationship and specific configuration and topology layout between said apparatus structure is as follows:
The front portion of the gooseneck body 102 is provided with gooseneck protruding shaft 106, and the two sides of tail of the gooseneck body 102 is equal
It is provided with loading surface connector 107;Connection lock pin 108 is additionally provided with the loading surface connector 107 in the horizontal direction;It is described
Gooseneck body 102 is embedded in be formed in the gooseneck groove 103 by the gooseneck protruding shaft 106 of front portion and is rotatably assorted, described
Gooseneck body 102 also passes through the loading surface connector 107 of afterbody and the loading surface modular device of connection lock pin 108 and vehicle body
200 are connected;
The bottom of the gooseneck groove 103 is also fixedly connected with towing pin 109;The bottom of gooseneck groove 103 it is described
Towing pin 109 forms pin-and-hole with the mounting hole on the saddle 104 and is connected;
The gooseneck closing piece 101 is fixedly connected on the gooseneck groove 103, and the gooseneck closing piece 101 is used to limit
The anterior gooseneck protruding shaft 106 of the gooseneck body 102 moving up and down on vertical direction in the gooseneck groove 103.
It should be noted that a kind of return flanging die of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention is packaged
100 are put, mainly (loading surface comprising anterior gooseneck protruding shaft 106 and tail end connects by gooseneck closing piece 101, gooseneck body 102
Mouthfuls 107 etc.), the structure composition such as gooseneck groove 103 and saddle 104, hydraulic system 105:
The vehicle body of gooseneck protruding shaft 106 (and gooseneck body) the connection semitrailer of this semi-cylindrical, while the semicircle
The gooseneck groove 103 of groove shapes is then achieved a fixed connection by towing pin 109 and the saddle 104 on headstock;So, when
, can be so that vehicle body realizes connection with separating with headstock after gooseneck protruding shaft 106 is embedded into the formation mating connection of gooseneck groove 103;
After the clamping of gooseneck protruding shaft 106 that vehicle body (loading surface modular device) connects is embedded in into gooseneck groove 103, due to vehicle body itself
The effect of gravity, gooseneck protruding shaft is set steadily to be connected in gooseneck groove, the two is not separated (while can make vehicle body and headstock
Connection);In addition, after gooseneck protruding shaft 106 departs from gooseneck groove 103, the two can be made to realize that separation (while can make vehicle body and car
Head separation).So, new gooseneck device also has the function of convenient disassembly.
Above-mentioned gooseneck body 102 is embedded in be formed in the gooseneck groove 103 by the gooseneck protruding shaft 106 of front portion to be turned
Dynamic to coordinate, above-mentioned gooseneck body 102 passes through the loading surface connector 107 of afterbody and the loading surface of connection lock pin 108 and vehicle body
Modular device 200 is connected;When semitrailer is travelled to bumpy road, vehicle body and loading surface modular device etc. can run
Winnow with a dustpan vibration, cause vehicle body double swerve;It will be apparent that the rigid connection (i.e. hardness transmission) of traditional semitrailer will cause semitrailer
Body vibrations pass to tractor headstock, and it is very big to drive influence to driver safety;
But even if the gooseneck device vehicle body of the present invention rocks, gooseneck protruding shaft only can be caused a certain amount of turn in gooseneck groove
It is dynamic, because the embodiment of the present invention is using be rotatably assorted attachment structure and non-direct contact rigid connection method;So gooseneck is convex
The connected mode of axle and gooseneck groove, heavy duty traveling convex-concave road can be played a protective role to vehicle crossbeam;Behind vehicle body
Rubber-tyred roller vibrations occur when pressing through rough road surface jolt, the vehicle head part in front, Bu Huiyin will not be transferred to substantially
Headstock vibrations are played, good driving environment is provided to driver.Make headstock inner part more stable simultaneously, can strengthen in headstock
The service life of part, improve the stability of vehicle.Above-mentioned concavo-convex connection gooseneck advantage explanation:It is shockproof:Gooseneck protruding shaft and gooseneck
The clamping of groove can be such that headstock is not influenceed by tail swing with mode (i.e. concavo-convex connected mode);It is anti-skidding:Banked bend driving wheel
Uniform force and it is non-slip;Anti-rollover:Afterbody cave in semitrailer rollover do not influence tractor;
Further, in the concrete structure of gooseneck body:
The anterior gooseneck protruding shaft 106 of the gooseneck body 102 is specially semi-cylindrical protruding shaft;The gooseneck groove
103 be specially circular arc;And the groove Internal periphery of the gooseneck groove 103 and the protruding shaft outline of the gooseneck protruding shaft 106
Cambered surface is adapted, and can so make the tight clamping fit of gooseneck protruding shaft 106 in the gooseneck groove 103.
It should be noted that gooseneck device:Gooseneck groove with lowering or hoisting gear can be firmly fixed to lead by bottom
Draw on the big fine strain of millet location of saddle support of car;Gooseneck protruding shaft:The gooseneck protruding shaft of gooseneck body front end can be stably embedded in gooseneck groove.
It can just be formed it will be apparent that above-mentioned gooseneck protruding shaft and gooseneck groove part have special shape design, between them rotatable
Clamping engagement;That is the gooseneck protruding shaft of gooseneck body portion is specially semi-cylindrical protruding shaft;Gooseneck groove is specially circular arc;And
The cambered surface of the groove Internal periphery of gooseneck groove and the protruding shaft outline of gooseneck protruding shaft is adapted, and so just can guarantee that shape therebetween
Into closely firm cooperation, while it can be rotated that (i.e. semicircle cambered surface is contacted with each other, and rotation can be made more steady, slow in right amount
With), play rotating oscillation damping effect.
Further, in the concrete structure of gooseneck closing piece:
The gooseneck closing piece 101 is specially two, is separately positioned on left and right two groove sides of the gooseneck groove 103;
Each gooseneck closing piece 101 specifically includes a closing piece 110 and two lock screws through the closing piece
111;The bottom of the lock screw 111 is connected with the gooseneck groove 103, top and the lock of the lock screw 111
Block 110 connects;And the madial wall of the closing piece 110 is inner concave arc surface;The inner concave arc surface of the closing piece 110 and the gooseneck protruding shaft
106 protruding shaft cambered surface is adapted.
The hydraulic system 105 specifically includes supporting plate, hydraulic pump, bearing, support and fixed seat, wherein:
The supporting plate is mounted in traction crossbeam;The hydraulic pump passes through the bearing, the support and institute
State fixed seat connection;And the fixed seat is fixedly connected with the saddle;The hydraulic pump is used to finally drive by bearing, support
Dynamic saddle rise or reduction.
It should be noted that installation settings has supporting plate in traction crossbeam, hydraulic pump passes through bearing, support and fixation
Seat connection;When fixed seat is raised or fallen by hydraulic pump drive, the saddle connected in fixed seat also can be raised and reduced, Jin Ertong
Cross gooseneck groove and gooseneck protruding shaft drives the rise of gooseneck body and reduced, so as to reach lifting purpose;Reach simultaneously and realize car
The clutch purpose of head and vehicle body;
Further, in the concrete structure of the gooseneck groove;The bottom of the gooseneck groove 103 is square bodily form shape
Shape.
Further, the length of the gooseneck protruding shaft 106 is equal to the depth of the gooseneck groove 103, and the gooseneck is convex
The bottom of axle 106 is in contact with the bottom land of the gooseneck groove 103.It should be noted that this design makes the two size more
Close, more convenient when making, connection procedure is more convenient, can quickly realize installation.
Further, the outside of the gooseneck groove 103 is provided with a plurality of raised ribs.
It should be noted that a plurality of raised ribs are located at the outside of gooseneck groove 103, the intensity of structure herein is strengthened, is made
The bearing strength of gooseneck groove 103 is more preferable, service life length, and the load that can be born is bigger.The length direction of the raised ribs
It is consistent with the length direction of the gooseneck groove 103.It should be noted that this design meets its mechanical property, using
Stronger load can be born in journey.
Further, the technical scheme as replacement.The gooseneck of the module disengaging type semitrailer of covariant provided by the invention
Modular device, in addition to double-pin connection gooseneck;The double-pin connection gooseneck includes being fixedly connected on gooseneck body bottom portion front end
First towing pin and the second towing pin;
Double-pin connects gooseneck technique effect explanation:
Because double-pin connection gooseneck is two towing pins of bottom front setting (i.e. preceding first traction in gooseneck body
Pin and posterior second towing pin), it being arranged on saddle selectivity on the first towing pin or on the second towing pin;
By changing towing pin position, 1 meter of wheelspan length of each axle load of reasonable distribution and regulation, effectively reduces oil consumption and increase bend leads to
The property crossed;It is heavier before goods, with the first towing pin;It is relatively light before goods, realized and connected using the second towing pin;Except this it
Outside, other concrete structures are identical with gooseneck (gooseneck for claiming concavo-convex connection) of clamping engagement before for double-pin connection gooseneck.
Method involved by above-mentioned gooseneck modular device:
1st, gooseneck protruding shaft and the concave-convex jointing method of gooseneck groove are passed through;
2nd, double-pin connection method is passed through;
3rd, gooseneck elevating method is realized by hydraulic system;
4th, the height adjusting method of loading surface is realized by the loading surface connector of gooseneck body tail section;
Compared with prior art, this have the advantage that:
The gooseneck modular device of the module disengaging type semitrailer of a kind of covariant provided by the invention, at least with following technology
Advantage:
1st, the embodiment of the present invention employs be rotatably assorted attachment structure (i.e. concavo-convex be connected) of the gooseneck protruding shaft with gooseneck groove
And non-direct contact rigid connection method;Appropriate rotating oscillation damping can be played to vehicle to heavy duty traveling convex-concave road to act on, to driving
The person of sailing provides good driving environment.
2nd, the semitrailer of the embodiment of the present invention can concavo-convex bumpy road passing through property.With shockproof, anti-skidding and anti-side
The effect turned over;It is shockproof:Gooseneck protruding shaft and the clamping of gooseneck groove can make headstock not by afterbody with mode (i.e. concavo-convex connected mode)
Swinging influences;It is anti-skidding:Banked bend driving wheel uniform force and it is non-slip;Anti-rollover:Afterbody cave in semitrailer rollover do not influence
Tractor.
3rd, the semitrailer of the embodiment of the present invention can make headstock and body extention service life, can improve semitrailer vehicle
Structural stability and structural reliability.
4th, the semitrailer that the embodiment of the present invention uses can make gooseneck have elevating function, can so be advantageous to tearing open for semitrailer
Operation is unloaded, lifts removal efficiency, headstock and trailer body are carried out clutch, brought more to user's use by Ke Yijian, fast, province ground
Convenience.
5th, in embodiments of the present invention, the technology of double-pin connection gooseneck is additionally used:Because double-pin connection gooseneck is in goose
The bottom front of neck body sets two towing pins (i.e. preceding first towing pin and posterior second towing pin), and it can be selected
Selecting property connects the first towing pin or the saddle of the second towing pin and tractor;By changing towing pin position, rationally divide
It is short with each axle load and left regulation wheel distance, effectively reduce oil consumption and increase traveling-capability in elbow;It is heavier before goods, led with first
Draw pin;It is relatively light before goods, realized and connected using the second towing pin.
6th, (it is really achieved the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention
The covariant of different road conditions and bumpy road), there is all many technique effects, therefore before it will bring good market
Scape and economic benefit.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the semitrailer entirety main view decomposition texture schematic diagram of the prior art with traditional gooseneck device;
Fig. 2 is the exploded view of the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention;
The partial structurtes of the gooseneck modular device of the module disengaging type semitrailer of Fig. 3 covariants provided in an embodiment of the present invention with
The assembling structure schematic diagram of semitrailer;
Fig. 4 is the gooseneck sheet in the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention
Body part drawing;
Fig. 5 is the gooseneck in the gooseneck modular device in the module disengaging type semitrailer of covariant provided in an embodiment of the present invention
This body-side view;
Fig. 6 is the overall assembling of the module disengaging type semitrailer of the covariant with gooseneck modular device in the embodiment of the present invention
Figure;
Fig. 7 is at the closing piece in the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention
In opening working state schematic representation;
Fig. 8 is at the closing piece in the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention
In opening locking state schematic diagram;
Fig. 9 is that the double-pin of the module disengaging type semitrailer of covariant in the embodiment of the present invention connects the assembling structure signal of gooseneck
Figure;
Description of reference numerals:
Gooseneck modular device 100;
Gooseneck closing piece 101, gooseneck body 102, gooseneck groove 103;Saddle 104;Hydraulic system 105;Gooseneck protruding shaft
106;Loading surface connector 107;Connect lock pin 108;Towing pin 109;Closing piece 110;Lock screw 111;First towing pin 112;
Second towing pin 113;
Loading surface modular device 200.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The present invention is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Referring to Fig. 2-Fig. 6, a kind of return flanging die of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention is packaged
Put (i.e. gooseneck modular device 100), including concavo-convex connection gooseneck;The gooseneck that the concavo-convex connection gooseneck is set gradually from top to bottom
Closing piece 101, gooseneck body 102, gooseneck groove 103 and saddle 104, hydraulic system 105, wherein:
Annexation, position relationship and specific configuration and topology layout between said apparatus structure is as follows:
The front portion of the gooseneck body 102 is provided with gooseneck protruding shaft 106, and the two sides of tail of the gooseneck body 102 is equal
It is provided with loading surface connector 107;Connection lock pin 108 is additionally provided with the loading surface connector 107 in the horizontal direction;It is described
Gooseneck body 102 is embedded in be formed in the gooseneck groove 103 by the gooseneck protruding shaft 106 of front portion and is rotatably assorted, described
Gooseneck body 102 also passes through the loading surface connector 107 of afterbody and the loading surface modular device of connection lock pin 108 and vehicle body
200 are connected;
The bottom of the gooseneck groove 103 is also fixedly connected with towing pin 109 (being specially to be welded to connect);The gooseneck
The towing pin 109 of the bottom of groove 103 forms pin-and-hole with the mounting hole on the saddle 104 and is connected;
The gooseneck closing piece 101 is fixedly connected on the gooseneck groove 103, and the gooseneck closing piece 101 is used to limit
Upper and lower displacement of the anterior gooseneck protruding shaft 106 of the gooseneck body 102 in the gooseneck groove 103 on vertical direction.
It should be noted that a kind of return flanging die of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention is packaged
100 are put, mainly (loading surface comprising anterior gooseneck protruding shaft 106 and tail end connects by gooseneck closing piece 101, gooseneck body 102
Mouthfuls 107 etc.), the structure composition such as gooseneck groove 103 and saddle 104, hydraulic system 105:
The vehicle body of gooseneck protruding shaft 106 (and gooseneck body) the connection semitrailer of this semi-cylindrical, while the semicircle
The gooseneck groove 103 of groove shapes is then achieved a fixed connection by towing pin 109 and the saddle 104 on headstock;So, when
, can be so that vehicle body realizes connection with separating with headstock after gooseneck protruding shaft 106 is embedded into the formation mating connection of gooseneck groove 103;
After the clamping of gooseneck protruding shaft 106 that vehicle body (loading surface modular device) connects is embedded in into gooseneck groove 103, due to vehicle body itself
The effect of gravity, gooseneck protruding shaft is set steadily to be connected in gooseneck groove, the two is not separated (while can make vehicle body and headstock
Connection);In addition, after gooseneck protruding shaft 106 departs from gooseneck groove 103, the two can be made to realize that separation (while can make vehicle body and car
Head separation).So, new gooseneck device also has the function of convenient disassembly.
Above-mentioned gooseneck body 102 is embedded in be formed in the gooseneck groove 103 by the gooseneck protruding shaft 106 of front portion to be turned
Dynamic to coordinate, above-mentioned gooseneck body 102 passes through the loading surface connector 107 of afterbody and the loading surface of connection lock pin 108 and vehicle body
Modular device 200 is connected;When semitrailer is travelled to bumpy road, vehicle body and loading surface modular device etc. can run
Winnow with a dustpan vibration, cause vehicle body double swerve;It will be apparent that the rigid connection (i.e. hardness transmission) of traditional semitrailer will cause semitrailer
Body vibrations pass to tractor headstock, and it is very big to drive influence to driver safety;
But even if the gooseneck device vehicle body of the present invention rocks, gooseneck protruding shaft only can be caused a certain amount of turn in gooseneck groove
It is dynamic, because the embodiment of the present invention is using be rotatably assorted attachment structure and non-direct contact rigid connection method;So gooseneck is convex
The connected mode of axle and gooseneck groove, heavy duty traveling convex-concave road can be played a protective role to vehicle crossbeam;Behind vehicle body
Rubber-tyred roller vibrations occur when pressing through rough road surface jolt, the vehicle head part in front, Bu Huiyin will not be transferred to substantially
Headstock vibrations are played, good driving environment is provided to driver.Make headstock inner part more stable simultaneously, can strengthen in headstock
The service life of part, improve the stability of vehicle.
Further, in the concrete structure of gooseneck body:
The anterior gooseneck protruding shaft 106 of the gooseneck body 102 is specially semi-cylindrical protruding shaft;The gooseneck groove
103 be specially circular arc;And the groove Internal periphery of the gooseneck groove 103 and the protruding shaft outline of the gooseneck protruding shaft 106
Cambered surface is adapted, and can so make the tight clamping fit of gooseneck protruding shaft 106 in the gooseneck groove 103.
It should be noted that gooseneck device:Gooseneck groove with lowering or hoisting gear can be firmly fixed to lead by bottom
Draw on the big fine strain of millet location of saddle support of car;Gooseneck protruding shaft:The gooseneck protruding shaft of gooseneck body front end can be stably embedded in gooseneck groove.
It can just be formed it will be apparent that above-mentioned gooseneck protruding shaft and gooseneck groove part have special shape design, between them rotatable
Clamping engagement;That is the gooseneck protruding shaft of gooseneck body portion is specially semi-cylindrical protruding shaft;Gooseneck groove is specially circular arc;And
The cambered surface of the groove Internal periphery of gooseneck groove and the protruding shaft outline of gooseneck protruding shaft is adapted, and so just can guarantee that shape therebetween
Into closely firm cooperation, while it can be rotated that (i.e. semicircle cambered surface is contacted with each other, and rotation can be made more steady, slow in right amount
With), play rotating oscillation damping effect.
Further, in the concrete structure of gooseneck closing piece:
As described in Fig. 7 and Fig. 8 gooseneck closing piece 101 be specially two, be separately positioned on the gooseneck groove 103 a left side,
On right two groove sides;
Each gooseneck closing piece 101 specifically includes a closing piece 110 and two lock screws through the closing piece
111;The bottom of the lock screw 111 is connected with the gooseneck groove 103, top and the lock of the lock screw 111
Block 110 connects;And the madial wall of the closing piece 110 is inner concave arc surface;The inner concave arc surface of the closing piece 110 and the gooseneck protruding shaft
106 protruding shaft cambered surface is adapted.
It should be noted that the position-limiting action of vertical direction can be carried out to gooseneck protruding shaft by above-mentioned gooseneck closing piece, prevent
Only cause gooseneck protruding shaft to jump out and (depart from) gooseneck groove on the road surface of pitch, avoid security incident.
Further, the hydraulic system 105 specifically includes supporting plate, hydraulic pump, bearing, support and fixed seat
(not shown), wherein:
The supporting plate is mounted in traction crossbeam;The hydraulic pump passes through the bearing, the support and institute
State fixed seat connection;And the fixed seat is fixedly connected with the saddle;The hydraulic pump is used to finally drive by bearing, support
Dynamic saddle rise or reduction.
It should be noted that installation settings has supporting plate in traction crossbeam, hydraulic pump passes through bearing, support and fixation
Seat connection;When fixed seat is raised or fallen by hydraulic pump drive, the saddle connected in fixed seat also can be raised and reduced, Jin Ertong
Cross gooseneck groove and gooseneck protruding shaft drives gooseneck body and the loading surface modular device being connected with gooseneck body (to work
Face) raise and reduce, so as to reach lifting purpose;So it is very beneficial to carry out the body portions such as loading surface modular device simultaneously
Dismounting.
Further, in the concrete structure of the gooseneck groove;The bottom of the gooseneck groove 103 is square bodily form shape
Shape.
Further, the length of the gooseneck protruding shaft 106 is equal to the depth of the gooseneck groove 103, and the gooseneck is convex
The bottom of axle 106 is in contact with the bottom land of the gooseneck groove 103.
It should be noted that this design makes the two size more close, more convenient when making, connection procedure compares
It is convenient, it can quickly realize installation.
Further, the outside of the gooseneck groove 103 is provided with a plurality of raised ribs.
It should be noted that a plurality of raised ribs are located at the outside of gooseneck groove 103, the intensity of structure herein is strengthened, is made
The bearing strength of gooseneck groove 103 is more preferable, service life length, and the load that can be born is bigger.The length direction of the raised ribs
It is consistent with the length direction of the gooseneck groove 103.It should be noted that this design meets its mechanical property, using
Stronger load can be born in journey.
Fig. 9 is participated in, a kind of gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention, is gone back
Gooseneck is connected including double-pin;The double-pin connection gooseneck includes the first towing pin for being fixedly connected on gooseneck body bottom portion front end
112 and second towing pin 113;
Double-pin connects gooseneck technique effect explanation:
Because double-pin connection gooseneck is two towing pins of bottom front setting (i.e. preceding first traction in gooseneck body
Pin 112 and posterior second towing pin 113);By changing towing pin position, 1 meter of wheelspan of each axle load of reasonable distribution and regulation
Length, effectively reduce oil consumption and increase traveling-capability in elbow;It is heavier before goods, with the first towing pin 112;Before goods compared with
Gently, realized and connected using the second towing pin 113;In addition, double-pin connection gooseneck and the gooseneck of clamping engagement before (claim
The gooseneck of bumps connection) other concrete structures are identical.
Method involved by above-mentioned gooseneck modular device:
1st, gooseneck protruding shaft and the concave-convex jointing method of gooseneck groove are passed through;
2nd, double-pin connection method is passed through;
3rd, gooseneck elevating method is realized by hydraulic system;
4th, the height adjusting method of loading surface is realized by the loading surface connector of gooseneck body tail section;
In summary, the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention, not only
The technological deficiency of semitrailer in existing conventional art is overcome, and improves all many technical pattern, is had all multi-party
The technical advantage and technique effect in face:
1st, the embodiment of the present invention employs gooseneck protruding shaft and the attachment structure that is rotatably assorted of gooseneck groove is (i.e. concavo-convex to be connected goose
Neck) and non-direct contact rigid connection method;Appropriate rotating oscillation damping can be played to vehicle to heavy duty traveling convex-concave road to act on, give
Driver provides good driving environment.
2nd, the semitrailer of the embodiment of the present invention can concavo-convex bumpy road passing through property.With shockproof, anti-skidding and anti-side
The effect turned over;It is shockproof:Gooseneck protruding shaft and the clamping of gooseneck groove can make headstock not by afterbody with mode (i.e. concavo-convex connected mode)
Swinging influences;It is anti-skidding:Banked bend driving wheel uniform force and it is non-slip;Anti-rollover:Afterbody cave in semitrailer rollover do not influence
Tractor.
3rd, the semitrailer of the embodiment of the present invention can make headstock and body extention service life, can improve semitrailer vehicle
Structural stability and structural reliability.
4th, the semitrailer that the embodiment of the present invention uses can make gooseneck have elevating function, can so be advantageous to tearing open for semitrailer
Operation is unloaded, lifts removal efficiency, headstock and trailer body are carried out clutch, brought more to user's use by Ke Yijian, fast, province ground
Convenience.
5th, in embodiments of the present invention, the technology of double-pin connection gooseneck is additionally used:Because double-pin connection gooseneck is in goose
The bottom front of neck body sets two towing pins (i.e. preceding first towing pin and posterior second towing pin), and it can be selected
Selecting property connects the first towing pin or the saddle of the second towing pin and tractor;By changing towing pin position, rationally divide
It is short with each axle load and left regulation wheel distance, effectively reduce oil consumption and increase traveling-capability in elbow;It is heavier before goods, led with first
Draw pin;It is relatively light before goods, realized and connected using the second towing pin.
6th, (it is really achieved the gooseneck modular device of the module disengaging type semitrailer of covariant provided in an embodiment of the present invention
The covariant of different road conditions and bumpy road), there is all many technique effects, therefore before it will bring good market
Scape and economic benefit.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.