CN103847665B - A kind of school bus - Google Patents
A kind of school bus Download PDFInfo
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- CN103847665B CN103847665B CN201410109596.9A CN201410109596A CN103847665B CN 103847665 B CN103847665 B CN 103847665B CN 201410109596 A CN201410109596 A CN 201410109596A CN 103847665 B CN103847665 B CN 103847665B
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Abstract
The invention provides a kind of school bus, belong to automobile technical field.It solve existing school bus and can not can not relax the technical problem such as impulsive force of student in compartment time speed changes again.School bus includes an outer compartment and an interior compartment, between outer compartment and interior compartment, there is gap, outer compartment has a base plate, the bottom of interior compartment is slidably connected with base plate by a supporting construction, the first buffer structure that can relax interior compartment impact force when interior compartment externally carriage movements mutually it is additionally provided with between interior compartment with outer compartment, the front end in outer compartment is provided with an energy-absorption box, the second buffer structure it is provided with in energy-absorption box, it is connected by some guide pillars between energy-absorption box with outer compartment, energy-absorption box can be with guide pillar external carriage movements mutually, between energy-absorption box and outer compartment, there is gap, the 3rd buffer structure it is provided with between energy-absorption box and outer compartment.The present invention has can relax impact, safety advantages of higher.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of school bus.
Background technology
School bus is the vehicles coming and going school for transporting student.State Council of the People's Republic of China's safety
Produce office of committee to emphasize to refer in " traffic safety " 12 " planning "
Go out, safety of school bus to be established and improve management legal and regulatory systems and safety management system, bright
Really school bus right-of-way, strengthens school bus supervision, ensures safety of school bus；And specify school bus
Satellite fix and speed-limiting device must be installed.Visible, safety of school bus is the weight that the whole society pays close attention to
Want topic.
In prior art, the endergonic structure of automobile realizes generally by suspension system,
Also some automobile is provided with energy-absorbing buffering structure at headstock part, i.e. clashes at automobile
Time headstock at several rivets be cut off, thus energy when absorbing shock, for car
Body, does not the most also have other effective endergonic structures, vehicle body when clashing in order to double absorption
Inertia kinetic energy, but, along with the generation of a lot of safety of school bus accidents in 2013, school bus
The solution of safety problem seems the most urgent.
Summary of the invention
It is an object of the invention to the problems referred to above existed for existing technology, it is provided that a kind of
School bus, the technical problem to be solved is how when school bus speed changes
Relax compartment impact.
The purpose of the present invention can be realized by following technical proposal:
A kind of school bus, it is characterised in that include an outer compartment and an interior compartment, described
Having gap between outer compartment and interior compartment, described outer compartment has a base plate, described interior
The bottom in compartment is slidably connected with described base plate by a supporting construction, described interior compartment
Be additionally provided with between outer compartment can relax when interior compartment externally carriage movements mutually in car
First buffer structure of railway carriage or compartment impact force, the front end in described outer compartment is provided with a suction
Energy box, is provided with the second buffer structure, described energy-absorption box and outer compartment in described energy-absorption box
Between be connected by some guide pillars, described energy-absorption box can be with described guide pillar external car mutually
Moving in railway carriage or compartment, has gap, described energy-absorption box and outer car between described energy-absorption box and outer compartment
The 3rd buffer structure it is provided with between railway carriage or compartment.
The operation principle of the present invention is: this school bus uses interior compartment and the structure in outer compartment,
Interior compartment can externally compartment advances along automobile or moves, when school bus in the direction of retrogressing mutually
When speed changes, the first buffer structure relaxes relative between interior compartment and outer compartment fortune
Kinetic energy time dynamic, when automobile occurs to clash into, the second buffer structure in energy-absorption box is first
Have an effect, absorb energy when part is clashed into, be arranged between outer compartment and energy-absorption box
The 3rd buffer structure can further absorbing impact energy, it is possible to drop to greatest extent
To the injury of student in interior compartment when low school bus occurs to clash into, improve the safety of school bus.
In above-mentioned a kind of school bus, described supporting construction includes that some are fixedly installed on
Support column on base plate, the upper end of described support column is fixedly installed slide plate, described interior car
The bottom in railway carriage or compartment offers and support column chute one to one, and described chute is along before and after automobile
Directional spreding, described slide plate is plugged in described chute, the both ends of the surface up and down of described slide plate
All offer groove one, described chute offer the groove two corresponding with described groove one,
It is provided with ball between described groove one and groove two.It is fixedly installed on the base plate in outer compartment
Having support column, the upper end of support column is fixedly installed slide plate, sets between slide plate and interior compartment
Put groove one, groove two and ball, groove one and groove two and ball is carried out spacing, with
Time ensure slide plate can relatively interior compartment move so that interior compartment is sent out at the vehicle body of school bus
Can move in external compartment mutually during changing, relax impact.
In above-mentioned a kind of school bus, described first buffer structure includes several hydraulic cylinders
One, the piston rod of described hydraulic cylinder one is fixing with the front side of interior compartment to be connected, described hydraulic pressure
The cylinder body of cylinder one is fixing with described outer compartment to be connected, and described hydraulic cylinder one has liquid storage cylinder one,
Described first buffer structure also includes and hydraulic cylinder one hydraulic cylinder two one to one, described
The piston rod of hydraulic cylinder two is plugged on described outer compartment, and described outer compartment is fixedly installed
A gripper shoe, the cylinder body of described hydraulic cylinder two is had to be fixedly installed in described gripper shoe, institute
State and there is between outer end and the energy-absorption box of the piston rod of hydraulic cylinder two gap, described hydraulic cylinder
Two have liquid storage cylinder two, and described liquid storage cylinder one is communicated by hydraulic tube between liquid storage cylinder two,
It is fixedly installed a reserving liquid tank on described outer compartment, described hydraulic cylinder two is provided with overflow
Kong Yi, connects at described spout hole one and has the hydraulic tube making liquid storage cylinder two communicate with reserving liquid tank,
Some back-moving springs one, described liquid storage cylinder two it is provided with between described interior compartment and outer compartment
Inside it is provided with back-moving spring two.When the speed of school bus changes, interior compartment is mutually external
Compartment moves along automobile fore-and-aft direction, and the hydraulic oil in liquid storage cylinder one is flowed into by hydraulic tube
In liquid storage cylinder two, in liquid storage cylinder two under the effect of back-moving spring two, hydraulic oil pressurized from
Spout hole one enters into reserving liquid tank, by the overflow effect of spout hole one, absorbs impact energy
Amount, relax impact, automobile occur clash into largely time, energy-absorption box be depressed into and
The piston rod of hydraulic cylinder two is mutually low to be leaned on, and promotes the piston rod of hydraulic cylinder two, makes liquid storage cylinder two
Pressurized, the hydraulic oil in liquid storage cylinder two enters in liquid storage cylinder one, now, spout hole one
Can not quickly alleviate the pressure in liquid storage cylinder two, in causing liquid storage cylinder one, pressure rises suddenly
Height, promotes the piston rod of hydraulic cylinder one to move to the direction away from interior compartment, i.e. interior compartment
To forward one segment distance of automobile, it is possible to relax impact greatly, it is to avoid school bus is subject to
During shock, be there is accident by inertia force effect in the student in interior compartment.
In above-mentioned a kind of school bus, described energy-absorption box is hollow structure, and described second delays
Rush structure and include some the reeds being fixed in energy-absorption box, the two ends of described reed and suction
The inwall of energy box is fixing to be connected, and the dead ahead in the outside compartment, middle part of described reed is protruding.
Energy-absorption box is the first energy-absorbing buffering structure that school bus is subject to when clashing into, and energy-absorption box is impacted
Time deform upon, cause energy-absorption box front side extruding reed, make reed pressurized, reed
Middle part is protruding to the front of automobile, it is possible to absorb part Impact energy.
In above-mentioned a kind of school bus, described 3rd buffer structure includes several hydraulic cylinders
Three, the cylinder body of described hydraulic cylinder three is fixed in described gripper shoe, described hydraulic cylinder three
Piston rod is plugged on described outer compartment and outer end and the energy-absorption box of piston rod is fixing is connected,
It is provided with back-moving spring three, described hydraulic pressure between cylinder body and the outer compartment of described hydraulic cylinder three
Cylinder three has liquid storage cylinder three, and the cylinder body of described hydraulic cylinder three offers spout hole two, institute
State to connect at spout hole two and have the hydraulic tube making liquid storage cylinder three communicate with reserving liquid tank.Automobile is sent out
During raw shock, energy-absorption box moves to the direction near outer compartment in the guide effect of guide pillar,
Promote the piston rod of hydraulic cylinder three, make the pressure in liquid storage cylinder three suddenly raise, hydraulic oil
From spout hole two overflow to reserving liquid tank, by overflow effect, absorb energy when clashing into.
In above-mentioned a kind of school bus, described reserving liquid tank includes an airtight casing, institute
The upper end stating casing offers some passages one, and the upper end of described casing is also arranged with case
Lid, described case lid has a flange, and described flange offers passage two, described logical
In 60 ° of angles between axis and the upper surface of case lid of pore two.In order to eliminate hydraulic oil
The volume caused that expands with heat and contract with cold changes the impact of pressure in reserving liquid tank, at airtight casing
Upper end offer some passages one, this casing is also arranged with a case lid, case lid has
There is flange, flange offers some passages two, the axis of this passage two and case
In 60 ° of angles between the upper surface of lid, i.e. passage two is towards under the outside of casing
Side, it is possible to avoid dust and other impurities to enter in reserving liquid tank, keeps the cleaning of hydraulic oil.
In above-mentioned a kind of school bus, described interior compartment offers car door one, described outside
The car door two corresponding with car door one is offered, with car door a pair on described interior compartment on compartment
It is connected by sheet rubber between doorframe corresponding with car door two on the doorframe answered and outer compartment.
Student gets on or off the bus and uses special car door one and car door two, between this car door one and car door two
Being connected by soft sheet rubber, the doorframe eliminating car door one correspondence is corresponding with car door two
Vehicle window on gap between doorframe, interior compartment and outer compartment may be used without same way and disappears
Except gap between the two.
In above-mentioned a kind of school bus, between described interior compartment and outer compartment, there is driving cabin,
The car door three between the connection external world and driving cabin it is provided with on described outer compartment.Interior compartment exists
In elimination running, externally there is the motion of certain amplitude in compartment, in order to not affect driving mutually
The operation of member, driving cabin is arranged between interior compartment and outer compartment.
Compared with prior art, the invention have the advantages that
1, this school bus uses interior compartment and the structure in outer compartment, and interior compartment can external car mutually
Advancing along automobile in railway carriage or compartment or moves in the direction of retrogressing, when the vehicle body of school bus changes, the
One buffer structure relaxes kinetic energy during relative motion between interior compartment and outer compartment, works as automobile
When occurring to clash into, first the second buffer structure in energy-absorption box has an effect, and absorbs part
Energy during shock, the 3rd buffer structure being arranged between outer compartment and energy-absorption box can
Further absorbing impact energy, it is possible to reduce to greatest extent when school bus occurs to clash into pair
The injury of student in interior compartment, improves the safety of school bus.
2, being fixedly installed support column on the base plate in outer compartment, the upper end of support column is fixing to be set
It is equipped with slide plate, groove one, groove two and ball, groove are set between slide plate and interior compartment
One and groove two ball is carried out spacing, simultaneously ensure slide plate can relatively interior compartment move,
So that interior compartment can be transported in external compartment mutually when the vehicle body of school bus changes
Dynamic, relax impact.
3, when the speed of school bus changes, interior compartment mutually externally compartment along before and after automobile
Moving in direction, the hydraulic oil in liquid storage cylinder one flows in liquid storage cylinder two by hydraulic tube,
In liquid storage cylinder two under the effect of back-moving spring two, hydraulic oil pressurized enters into from spout hole one
Reserving liquid tank, by the overflow effect of spout hole one, apparatus with shock absorbing, relaxes impact,
When automobile occurs to clash into largely, energy-absorption box is by being depressed into and the piston of hydraulic cylinder two
Bar is mutually low to be leaned on, and promotes the piston rod of hydraulic cylinder two, makes liquid storage cylinder two pressurized, liquid storage cylinder two
Interior hydraulic oil enters in liquid storage cylinder one, and now, spout hole one can not quickly be alleviated
Pressure in liquid storage cylinder two, in causing liquid storage cylinder one, pressure raises suddenly, promotes hydraulic cylinder
The piston rod of one moves to the direction away from interior compartment, i.e. interior compartment is transported to the front of automobile
A dynamic segment distance, it is possible to relax impact greatly, it is to avoid when school bus is impacted, interior compartment
Accident is there is in interior student by inertia force effect.
4, energy-absorption box is the first energy-absorbing buffering structure that school bus is subject to when clashing into, energy-absorption box
Deform upon when being impacted, cause the front side extruding reed of energy-absorption box, make reed pressurized,
The middle part of reed is protruding to the front of automobile, it is possible to absorb part Impact energy.
5, when automobile occurs to clash into, energy-absorption box in the guide effect of guide pillar near outer compartment
Direction motion, promote hydraulic cylinder three piston rod, make the pressure in liquid storage cylinder three suddenly
Raising, hydraulic oil is from spout hole two overflow to reserving liquid tank, and by overflow effect, absorption is hit
Energy when hitting.
Accompanying drawing explanation
Fig. 1 is the perspective view of this school bus.
Fig. 2 is the perspective view under another visual angle of this school bus.
Fig. 3 is the sectional view of this school bus.
Fig. 4 is the enlarged drawing of local A in Fig. 3.
Fig. 5 is the principle schematic of hydraulic system in this school bus.
Fig. 6 is the enlarged drawing of local B in Fig. 5.
Fig. 7 is the enlarged drawing of Local C in Fig. 5.
Fig. 8 is the sectional view of supporting construction in this school bus.
In figure, 11, outer compartment；12, interior compartment；13, base plate；14, guide pillar；2、
Energy-absorption box；31, support column；32, slide plate；33, chute；34, groove one；35、
Groove two；36, ball；41, hydraulic cylinder one；42, liquid storage cylinder one；43, hydraulic cylinder
Two；44, gripper shoe；45, liquid storage cylinder two；46, reserving liquid tank；51, casing；52、
Passage one；53, case lid；54, flange；55, passage two；56, spout hole one；
57, back-moving spring one；58, back-moving spring two；6, reed；71, hydraulic cylinder three；72、
Back-moving spring three；73, liquid storage cylinder three；74, spout hole two；81, car door two；82、
Car door three.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As shown in figures 1 and 3, school bus includes an outer compartment 11 and an interior compartment 12,
Having gap between outer compartment 11 and interior compartment 12, outer compartment 11 has a base plate 13,
The bottom of interior compartment 12 is slidably connected with base plate 13 by a supporting construction, interior compartment
It is additionally provided with between 12 with outer compartment 11 and can transport in the mutually external compartment of interior compartment 12 11
The first buffer structure of interior compartment 12 impact force is relaxed time dynamic, outer compartment 11
Front end is provided with an energy-absorption box 2, is provided with the second buffer structure, energy-absorbing in energy-absorption box 2
Being connected by some guide pillars 14 between box 2 with outer compartment 11, energy-absorption box 2 can be with
The mutually external compartment of guide pillar 14 11 moves, and has gap between energy-absorption box 2 and outer compartment 11,
The 3rd buffer structure it is provided with between energy-absorption box 2 and outer compartment 11.
This school bus uses interior compartment 12 and the structure in outer compartment 11, and interior compartment 12 can phase
Externally compartment 11 advances along automobile or moves, when the speed of school bus becomes in the direction of retrogressing
During change, when the first buffer structure relaxes relative motion between interior compartment 12 and outer compartment 11
Kinetic energy, when automobile occur clash into time, first the second buffer structure in energy-absorption box 2 is sent out
Raw effect, absorbs energy when part is clashed into, and is arranged on outer compartment 11 and energy-absorption box 2
Between the 3rd buffer structure can further absorbing impact energy, it is possible to greatest extent
Reduce when school bus occurs to clash into the injury of student in interior compartment 12, improve the peace of school bus
Quan Xing.
As shown in figures 3 and 8, supporting construction includes that some are fixedly installed on base plate 13
On support column 31, the upper end of support column 31 is fixedly installed slide plate 32, interior compartment 12
Bottom offer and support column 31 chute 33 one to one, chute 33 is along before automobile
Rear directional spreding, slide plate 32 is plugged in chute 33, and the both ends of the surface up and down of slide plate 32 are equal
Offer groove 1, chute 33 offer the groove two 35 corresponding with groove 1,
Ball 36, the base plate 13 in outer compartment 11 it is provided with between groove 1 and groove 2 35
On be fixedly installed support column 31, the upper end of support column 31 is fixedly installed slide plate 32,
Groove 1, groove 2 35 and ball 36 are set between slide plate 32 and interior compartment 12,
Groove 1 and 2 35 pairs of balls of groove 36 carry out spacing, ensure slide plate 32 energy simultaneously
Enough relative interior compartments 12 move, so that interior compartment 12 changes at the vehicle body of school bus
Time can mutually externally compartment 11 move, relax impact.
As shown in Fig. 3, Fig. 4 and Fig. 5, the first buffer structure includes several hydraulic cylinders
One 41, the piston rod of hydraulic cylinder 1 is fixing with the front side of interior compartment 12 to be connected, hydraulic pressure
The cylinder body of cylinder 1 is fixing with outer compartment 11 to be connected, and hydraulic cylinder 1 has liquid storage cylinder one
42, the first buffer structure also includes and hydraulic cylinder 1 hydraulic cylinder 2 43 one to one,
The piston rod of hydraulic cylinder 2 43 is plugged on outer compartment 11, and outer compartment 11 is fixedly installed
Having a gripper shoe 44, the cylinder body of hydraulic cylinder 2 43 is fixedly installed in gripper shoe 44, liquid
Between outer end and the energy-absorption box 2 of the piston rod of cylinder pressure 2 43, there is gap, hydraulic cylinder two
43 have liquid storage cylinder 2 45, pass through hydraulic tube between liquid storage cylinder 1 and liquid storage cylinder 2 45
Communicate, outer compartment 11 is fixedly installed a reserving liquid tank 46, hydraulic cylinder 2 43 is arranged
There is spout hole 1, connect at spout hole 1 and make liquid storage cylinder 2 45 and reserving liquid tank 46
The hydraulic tube communicated, is provided with some back-moving springs between interior compartment 12 and outer compartment 11
One 57, it is provided with back-moving spring 2 58 in liquid storage cylinder 2 45, when the speed of school bus occurs
During change, the mutually external compartment of interior compartment 12 11 moves along automobile fore-and-aft direction, liquid storage cylinder
Hydraulic oil in one 42 flows in liquid storage cylinder 2 45 by hydraulic tube, at liquid storage cylinder 2 45
Under the effect of interior back-moving spring two, hydraulic oil pressurized enters into reserving liquid tank from spout hole 1
46, by the overflow effect of spout hole 1, apparatus with shock absorbing, relax impact,
When automobile occurs to clash into largely, energy-absorption box 2 is by being depressed into and the work of hydraulic cylinder 2 43
Stopper rod is mutually low to be leaned on, and promotes the piston rod of hydraulic cylinder 2 43, makes liquid storage cylinder 2 45 pressurized,
Hydraulic oil in liquid storage cylinder 2 45 enters in liquid storage cylinder 1, now, and spout hole one
56 can not quickly alleviate the pressure in liquid storage cylinder 2 45, cause liquid storage cylinder 1 intrinsic pressure
Power raises suddenly, promotes the piston rod of hydraulic cylinder 1 to the direction away from interior compartment 12
Motion, i.e. interior compartment 12 is to forward one segment distance of automobile, it is possible to relax greatly
Impact, it is to avoid when school bus is impacted, the student in interior compartment 12 is by inertia force effect
Occur unexpected.
As shown in Figure 3 and Figure 4, energy-absorption box 2 is hollow structure, the second buffer structure bag
Include some the reeds being fixed in energy-absorption box 26, the two ends of reed 6 and energy-absorption box 2
Inwall fixing connect, and the dead ahead in the outside compartment, middle part 11 of reed 6 is protruding, inhales
Can box 2 be the first energy-absorbing buffering structure that school bus is subject to when clashing into, energy-absorption box 2 be hit
Deform upon when hitting, cause the front side extruding reed 6 of energy-absorption box 2, make reed 6 pressurized,
The middle part of reed 6 is protruding to the front of automobile, it is possible to absorb part Impact energy.
As shown in Figure 3, Figure 5 and Figure 6, the 3rd buffer structure includes several hydraulic cylinders
3 71, the cylinder body of hydraulic cylinder 3 71 is fixed in gripper shoe 44, hydraulic cylinder 3 71
Piston rod is plugged on outer compartment 11 and outer end and the energy-absorption box 2 of piston rod is fixing is connected,
It is provided with back-moving spring 3 72, hydraulic pressure between cylinder body and the outer compartment 11 of hydraulic cylinder 3 71
Cylinder 3 71 has liquid storage cylinder 3 73, and the cylinder body of hydraulic cylinder 3 71 offers spout hole two
74, connect at spout hole 2 74 and have the hydraulic pressure making liquid storage cylinder 3 73 communicate with reserving liquid tank 46
Pipe, when automobile occurs to clash into, energy-absorption box 2 in the guide effect of guide pillar 14 near outer car
The direction motion in railway carriage or compartment 11, promotes the piston rod of hydraulic cylinder 3 71, makes liquid storage cylinder 3 73
Interior pressure raises suddenly, and hydraulic oil, leads to reserving liquid tank 46 from spout hole 2 74 overflow
Cross overflow effect, absorb energy when clashing into.
As shown in figure 5 and figure 7, reserving liquid tank 46 includes an airtight casing 51, case
The upper end of body 51 offers some passages 1, and the upper end of casing 51 is also arranged with case
Lid 53, case lid 53 has a flange 54, and flange 54 offers passage 2 55,
In 60 ° of angles between axis and the upper surface of case lid 53 of passage 2 55, in order to disappear
Except the hydraulic oil volume change caused of expanding with heat and contract with cold is on the impact of pressure in reserving liquid tank 46,
Some passages 1 are offered in the upper end of airtight casing 51, the most sheathed on this casing 51
Having a case lid 53, case lid 53 has flange 54, offers some logical on flange 54
Pore 2 55, in 60 ° between axis and the upper surface of case lid 53 of this passage 2 55
Angle, i.e. passage 2 55 is towards the lower section in the outside of casing 51, it is possible to avoid ash
The foreign material such as dirt enter in reserving liquid tank 46, keep the cleaning of hydraulic oil.
As shown in Figure 1, Figure 2 and Figure 3, interior compartment 12 offers car door one, outer car
The car door two 81 corresponding with car door one is offered, with car door one on interior compartment 12 on railway carriage or compartment 11
Rubber is passed through between doorframe corresponding with car door 2 81 on corresponding doorframe and outer compartment 11
Sheet is connected, and student gets on or off the bus and uses special car door one and car door 2 81, this car door one He
Be connected by soft sheet rubber between car door 2 81, eliminate the doorframe of car door one correspondence with
Car on gap between the doorframe of car door 2 81 correspondence, interior compartment 12 and outer compartment 11
Window may be used without same way and eliminates gap between the two, interior compartment 12 and outer compartment
There is between 11 driving cabin, outer compartment 11 is provided with between the connection external world and driving cabin
Car door 3 82, interior compartment 12 has necessarily eliminating in running mutually externally compartment 11
The motion of amplitude, in order to not affect the operation of driver, driving cabin is arranged on interior compartment 12
And between outer compartment 11.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (2)
1. a school bus, it is characterised in that include car in an outer compartment (11) and
Railway carriage or compartment (12), has gap between described outer compartment (11) and interior compartment (12), described
Outer compartment (11) has a base plate (13), and the bottom of described interior compartment (12) passes through one
Individual supporting construction is slidably connected with described base plate (13), and described interior compartment (12) is with outer
Being additionally provided with between compartment (11) can be in interior compartment (12) external compartment (11) mutually
During motion relax interior compartment (12) impact force the first buffer structure, described outside
The front end in compartment (11) is provided with an energy-absorption box (2), arranges in described energy-absorption box (2)
There is the second buffer structure, by some between described energy-absorption box (2) and outer compartment (11)
Root guide pillar (14) is connected, and described energy-absorption box (2) can be relative with described guide pillar (14)
Outer compartment (11) moves, between having between described energy-absorption box (2) and outer compartment (11)
Gap, is provided with the 3rd buffer structure between described energy-absorption box (2) and outer compartment (11),
Described supporting construction includes the some support columns (31) being fixedly installed on base plate (13),
The upper end of described support column (31) is fixedly installed slide plate (32), described interior compartment (12)
Bottom offer with support column (31) chute one to one (33), described chute (33)
Being distributed along automobile fore-and-aft direction, described slide plate (32) is plugged in described chute (33),
The both ends of the surface up and down of described slide plate (32) all offer groove one (34), described chute (33)
On offer the groove two (35) corresponding with described groove one (34), described groove one (34)
And between groove two (35), it is provided with ball (36)；Groove one (34) and groove two (35)
Ball (36) is carried out spacing, ensures that slide plate (32) can interior compartment (12) relatively simultaneously
Motion；Described first buffer structure includes several hydraulic cylinders one (41), described hydraulic cylinder
The piston rod of one (41) is fixing with the front side of interior compartment (12) to be connected, described hydraulic cylinder
The cylinder body of one (41) is fixing with described outer compartment (11) to be connected, described hydraulic cylinder one (41)
Having liquid storage cylinder one (42), described first buffer structure also includes and hydraulic cylinder one (41)
Hydraulic cylinder two (43) one to one, the piston rod of described hydraulic cylinder two (43) is plugged in
On described outer compartment (11), described outer compartment (11) is fixedly installed a gripper shoe
(44), the cylinder body of described hydraulic cylinder two (43) is fixedly installed on described gripper shoe (44)
On, have between outer end and the energy-absorption box (2) of the piston rod of described hydraulic cylinder two (43)
Gap, described hydraulic cylinder two (43) has liquid storage cylinder two (45), described liquid storage cylinder one (42)
Being communicated by hydraulic tube with between liquid storage cylinder two (45), described outer compartment (11) is upper solid
Surely it is provided with a reserving liquid tank (46), described hydraulic cylinder two (43) is provided with spout hole one
(56), the connection of described spout hole one (56) place makes liquid storage cylinder two (45) and reserving liquid tank
(46) hydraulic tube communicated, sets between described interior compartment (12) and outer compartment (11)
It is equipped with some back-moving springs one (57), in described liquid storage cylinder two (45), is provided with reset bullet
Spring two (58)；Described energy-absorption box (2) is hollow structure, described second buffer structure bag
Include some the reeds (6) being fixed in energy-absorption box (2), the two of described reed (6)
Hold the inwall with energy-absorption box (2) to fix to be connected, and the middle part of described reed (6) is outside
The dead ahead in compartment (11) is protruding；Described 3rd buffer structure includes several hydraulic cylinders
Three (71), the cylinder body of described hydraulic cylinder three (71) is fixed in described gripper shoe (44),
The piston rod of described hydraulic cylinder three (71) is plugged on described outer compartment (11) and piston
The outer end of bar and energy-absorption box (2) are fixing to be connected, the cylinder body of described hydraulic cylinder three (71) and
Back-moving spring three (72), described hydraulic cylinder three (71) it is provided with between outer compartment (11)
There is liquid storage cylinder three (73), the cylinder body of described hydraulic cylinder three (71) offers spout hole
Two (74), described spout hole two (74) place connects makes liquid storage cylinder three (73) and liquid storage
The hydraulic tube that case (46) communicates；Car door one, institute is offered on described interior compartment (12)
State and on outer compartment (11), offer the car door two (81) corresponding with car door one, described interior car
Doorframe the most corresponding with car door one on railway carriage or compartment (12) and outer compartment (11) are gone up and car door two (81)
It is connected by sheet rubber between corresponding doorframe.
School bus the most according to claim 1, it is characterised in that described reserving liquid tank
(46) including an airtight casing (51), the upper end of described casing (51) offers
Some passages one (52), the upper end of described casing (51) is also arranged with case lid (53),
Described case lid (53) has a flange (54), and described flange offers ventilation on (54)
Hole two (55), the axis of described passage two (55) and the upper surface of case lid (53) it
Between in 60 ° of angles.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109596.9A CN103847665B (en) | 2014-03-24 | 2014-03-24 | A kind of school bus |
| CN201510493680.XA CN105000073B (en) | 2014-03-24 | 2014-03-24 | A kind of improved school bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109596.9A CN103847665B (en) | 2014-03-24 | 2014-03-24 | A kind of school bus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510493680.XA Division CN105000073B (en) | 2014-03-24 | 2014-03-24 | A kind of improved school bus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103847665A CN103847665A (en) | 2014-06-11 |
| CN103847665B true CN103847665B (en) | 2016-10-05 |
Family
ID=50855947
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510493680.XA Expired - Fee Related CN105000073B (en) | 2014-03-24 | 2014-03-24 | A kind of improved school bus |
| CN201410109596.9A Active CN103847665B (en) | 2014-03-24 | 2014-03-24 | A kind of school bus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510493680.XA Expired - Fee Related CN105000073B (en) | 2014-03-24 | 2014-03-24 | A kind of improved school bus |
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| CN (2) | CN105000073B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000073A (en) * | 2014-03-24 | 2015-10-28 | 孙建林 | Improved school bus |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677427B (en) * | 2016-08-26 | 2020-07-03 | 温州蓝宝科技有限公司 | Buffer carriage |
| CN107187408B (en) * | 2017-05-31 | 2019-10-11 | 江苏德兴房车制造有限公司 | A kind of compartment buffer gear when caravan emergency braking |
| CN113911240B (en) * | 2021-11-12 | 2022-06-24 | 常州市劲达科技实业有限公司 | Intelligent electric all-terrain vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6554348B1 (en) * | 2002-06-04 | 2003-04-29 | Dan H. Gernstein | Bus body |
| CN101125539A (en) * | 2006-08-14 | 2008-02-20 | 李正才 | Hydraulic buffering device when automobile being bounced |
| CN202669707U (en) * | 2012-01-17 | 2013-01-16 | 卢仁瑞 | Hydraulic cylinder overflow hole type anti-collision automobile safety device |
| CN203844854U (en) * | 2014-03-24 | 2014-09-24 | 梁家豪 | School bus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3985374B2 (en) * | 1998-12-24 | 2007-10-03 | いすゞ自動車株式会社 | Collision safety structure for cab vehicles |
| US6502895B2 (en) * | 2001-02-23 | 2003-01-07 | International Truck Intellectual Property Company, L.L.C. | Unitized bus vehicle roof |
| CN202429157U (en) * | 2012-01-10 | 2012-09-12 | 杭州远山食品科技有限公司 | Head or tail mounted anti-collision device of school bus |
| CN203410525U (en) * | 2013-07-19 | 2014-01-29 | 广州铁路职业技术学院 | Key school bus |
| CN105000073B (en) * | 2014-03-24 | 2017-08-29 | 刘美兴 | A kind of improved school bus |
| CN103847814B (en) * | 2014-03-24 | 2016-08-17 | 景德镇陶瓷大学 | A kind of body structure on school bus |
-
2014
- 2014-03-24 CN CN201510493680.XA patent/CN105000073B/en not_active Expired - Fee Related
- 2014-03-24 CN CN201410109596.9A patent/CN103847665B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6554348B1 (en) * | 2002-06-04 | 2003-04-29 | Dan H. Gernstein | Bus body |
| CN101125539A (en) * | 2006-08-14 | 2008-02-20 | 李正才 | Hydraulic buffering device when automobile being bounced |
| CN202669707U (en) * | 2012-01-17 | 2013-01-16 | 卢仁瑞 | Hydraulic cylinder overflow hole type anti-collision automobile safety device |
| CN203844854U (en) * | 2014-03-24 | 2014-09-24 | 梁家豪 | School bus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000073A (en) * | 2014-03-24 | 2015-10-28 | 孙建林 | Improved school bus |
| CN105000073B (en) * | 2014-03-24 | 2017-08-29 | 刘美兴 | A kind of improved school bus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103847665A (en) | 2014-06-11 |
| CN105000073B (en) | 2017-08-29 |
| CN105000073A (en) | 2015-10-28 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Cheng Yezhao Inventor after: Jiang Xing Inventor after: Chen Yan Inventor after: Li Song Inventor before: Sun Jianlin |
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Effective date of registration: 20160901 Address after: 225300 No. 199 West Spring Road, Jiangsu, Taizhou Applicant after: JIANGSU LINHAI POWER MACHINERY GROUP CO., LTD. Address before: Haining city Jiaxing Yuanhua town red village of Zhejiang province 314417 City home field No. 25 Applicant before: Sun Jianlin |
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