CN105000073A - Improved school bus - Google Patents
Improved school bus Download PDFInfo
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- CN105000073A CN105000073A CN201510493680.XA CN201510493680A CN105000073A CN 105000073 A CN105000073 A CN 105000073A CN 201510493680 A CN201510493680 A CN 201510493680A CN 105000073 A CN105000073 A CN 105000073A
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Abstract
The invention provides an improved school bus, belongs to the technical field of automobiles, and solves the technical problems that the conventional school bus cannot buffer the impact force on students inside the carriage when the driving speed changes, and the like. The school bus includes an outer carriage and an inner carriage, wherein a clearance is formed between the outer carriage and the inner carriage; the outer carriage is provided with a bottom plate; the bottom of the inner carriage is connected with the bottom plate through a support structure in a sliding manner; a first buffer structure capable of buffering the impact force borne by the inner carriage when the inner carriage moves relative to the outer carriage is also arranged between the inner carriage and the outer carriage; an energy absorption box is arranged at the front end of the outer carriage; a second buffer structure is arranged inside the energy absorption box; the energy absorption box is connected with the outer carriage through a plurality of guide posts, and can move with the guide posts relatively to the outer carriage; a clearance is formed between the energy absorption box and the outer carriage; a third buffer structure is arranged between the energy absorption box and the outer carriage. The improved school bus has the advantages of buffering impact and being high in safety.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of school bus of improvement.
Background technology
School bus is the vehicle coming and going school for transporting student.Safety in production cuncil office of State Council of the People's Republic of China emphasizes in " traffic safety " 12 " planning ", establish and improve safety of school bus management legal and regulatory systems and safety management system, specify school bus rights-of-way, strengthen school bus supervision, ensure safety of school bus; And specify that school bus must install satellite positioning and speed-limit device.Visible, safety of school bus is the important topic that the whole society pays close attention to.
In prior art, the endergonic structure of automobile is generally realized by suspension system, also some automobile is provided with energy-absorbing buffering structure at headstock part, and namely when automobile occurs to clash into, several rivets at headstock place are cut off, thus absorb energy when clashing into, for vehicle body, so far other actv. endergonic structures are not also had, the inertia kinetic energy of vehicle body when clashing in order to double absorption, but, along with the generation of a lot of safety of school bus accident in 2013, the solution of safety of school bus problem seems especially urgent.
Summary of the invention
The object of the invention is the problems referred to above existed for existing technology, provide a kind of school bus of improvement, technical matters to be solved by this invention is the impact how mitigation compartment is subject to when school bus speed changes.
Object of the present invention realizes by following technical proposal:
A kind of school bus of improvement, it is characterized in that, comprise an outer compartment and an interior compartment, between described outer compartment and interior compartment, there is gap, described outer compartment has a base plate, the bottom of described interior compartment is by a supporting construction and described base plate sliding block joint, also be provided with between described interior compartment with outer compartment can interior compartment mutually externally carriage movements time relax the first buffer structure of the impulsive force that interior compartment is subject to, the front end in described outer compartment is provided with an energy-absorption box, the second buffer structure is provided with in described energy-absorption box, be connected by some guide pillars between described energy-absorption box with outer compartment, described energy-absorption box can with described guide pillar external carriage movements mutually, between described energy-absorption box and outer compartment, there is gap, the 3rd buffer structure is provided with between described energy-absorption box and outer compartment.
Principle of work of the present invention is: the school bus of this improvement adopts the structure in interior compartment and outer compartment, interior compartment can move along the direction of automobile advance or retrogressing in external compartment mutually, when the speed of a motor vehicle of school bus changes, first buffer structure relaxes kinetic energy during relative motion between interior compartment and outer compartment, when automobile occurs to clash into, first the second buffer structure in energy-absorption box has an effect, energy when absorption portion is clashed into, being arranged on the 3rd buffer structure between outer compartment and energy-absorption box can further absorbing impact energy, the injury to student in interior compartment when school bus occurs to clash into can be reduced to greatest extent, improve the safety of school bus.
In the school bus of above-mentioned a kind of improvement, described supporting construction comprises the some pillar stiffeners be fixedly installed on base plate, the upper end of described pillar stiffener is fixedly installed slide plate, the bottom of described interior compartment offers and pillar stiffener chute one to one, described chute distributes along automobile fore-and-aft direction, described slide plate is plugged in described chute, the both ends of the surface up and down of described slide plate all start fluted one, described chute offers the groove two corresponding with described groove one, between described groove one and groove two, be provided with ball.The base plate in outer compartment is fixedly installed pillar stiffener, the upper end of pillar stiffener is fixedly installed slide plate, groove one, groove two and ball are set between slide plate and interior compartment, groove one and groove two pairs of balls carry out spacing, ensure that slide plate can move by interior compartment relatively simultaneously, thus enable interior compartment when the vehicle body of school bus changes mutually externally compartment move, relax and impact.
In the school bus of above-mentioned a kind of improvement, described first buffer structure comprises several hydraulic actuating cylinders one, the described piston rod of hydraulic actuating cylinder one is fixedly connected with the front side of interior compartment, the cylinder body of described hydraulic actuating cylinder is fixedly connected with described outer compartment, described hydraulic actuating cylinder has liquid storage cylinder one, described first buffer structure also comprises and hydraulic actuating cylinder one hydraulic actuating cylinder two one to one, the piston rod of described hydraulic actuating cylinder two is plugged on described outer compartment, described outer compartment is fixedly installed a stay bearing plate, the cylinder body of described hydraulic actuating cylinder two is fixedly installed on described stay bearing plate, between the outer end of the piston rod of described hydraulic actuating cylinder two and energy-absorption box, there is gap, described hydraulic actuating cylinder two has liquid storage cylinder two, described liquid storage cylinder one is communicated by hydraulic pipe with between liquid storage cylinder two, described outer compartment is fixedly installed a liquid reserve tank, described hydraulic actuating cylinder two is provided with overflow weir one, described overflow weir one place is connected with the hydraulic pipe that liquid storage cylinder two is communicated with liquid reserve tank, some retracing springs one are provided with between described interior compartment and outer compartment, retracing spring two is provided with in described liquid storage cylinder two.When the speed of a motor vehicle of school bus changes, interior compartment mutually external compartment moves along automobile fore-and-aft direction, hydraulic oil in liquid storage cylinder one flows in liquid storage cylinder two by hydraulic pipe, in liquid storage cylinder two recoil spring two effect under, hydraulic oil pressurized enters into liquid reserve tank from overflow weir one, by the overflow effect of overflow weir one, apparatus with shock absorbing, relax and impact, when automobile occurs to clash into largely, energy-absorption box pressurized leans on as the piston rod of hydraulic actuating cylinder two is mutually low, promote the piston rod of hydraulic actuating cylinder two, make liquid storage cylinder two pressurized, hydraulic oil in liquid storage cylinder two enters in liquid storage cylinder one, now, overflow weir one can not alleviate pressure in liquid storage cylinder two by fast speed, liquid storage cylinder one internal pressure is caused suddenly to raise, the piston rod promoting hydraulic actuating cylinder one moves to the direction away from interior compartment, namely interior compartment is to forward one segment distance of automobile, impact can greatly be relaxed, when avoiding school bus to be impacted, student in interior compartment is subject to force of inertia effect and meets accident.
In the school bus of above-mentioned a kind of improvement, described energy-absorption box is hollow structure, described second buffer structure comprises some the reeds be fixed in energy-absorption box, and the two ends of described reed are fixedly connected with the inwall of energy-absorption box, and the dead ahead in outside compartment, the 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 when energy-absorption box is impacted, deformation occurs, and 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, can absorption portion Impact energy.
In the school bus of above-mentioned a kind of improvement, described 3rd buffer structure comprises several hydraulic actuating cylinders three, the cylinder body of described hydraulic actuating cylinder three is fixed on described stay bearing plate, the piston rod of described hydraulic actuating cylinder three is plugged on described outer compartment and the outer end of piston rod and is fixedly connected with energy-absorption box, retracing spring three is provided with between the cylinder body of described hydraulic actuating cylinder three and stay bearing plate, described hydraulic actuating cylinder three has liquid storage cylinder three, the cylinder body of described hydraulic actuating cylinder three offers overflow weir two, and described overflow weir two place is connected with the hydraulic pipe that liquid storage cylinder three is communicated with liquid reserve tank.When automobile occurs to clash into, energy-absorption box moves to the direction near outer compartment at the directional tagging of guide pillar, promotes the piston rod of hydraulic actuating cylinder three, pressure in liquid storage cylinder three is raised suddenly, hydraulic oil, from overflow weir two overflow to liquid reserve tank, by overflow effect, absorbs energy when clashing into.
In the school bus of above-mentioned a kind of improvement, described liquid reserve tank comprises an airtight casing, the upper end of described casing offers some air extractor vents one, the upper end of described casing is also arranged with case lid, described case lid has a flange, described flange offers air extractor vent two, in 60 ° of angles between the axis of described air extractor vent two and the upper surface of case lid.Expand with heat and contract with cold the volume-variation that causes to the impact of liquid reserve tank internal pressure in order to eliminate hydraulic oil, some air extractor vents one are offered in the upper end of airtight casing, this casing is also arranged with a case lid, case lid has flange, and flange offers some air extractor vents two, in 60 ° of angles between the axis of this air extractor vent two and the upper surface of case lid, namely, air extractor vent two, towards the below in the outside of casing, can avoid dust and other impurities to enter in liquid reserve tank, keeps the clean of hydraulic oil.
In the school bus of above-mentioned a kind of improvement, described interior compartment offers car door one, described outer compartment offers the car door two corresponding with car door one, is connected by sheet rubber between doorframe corresponding with car door two on doorframe corresponding with car door one on described interior compartment and outer compartment.Student gets on or off the bus and adopts special car door one and car door two, be connected by soft sheet rubber between this car door one and car door two, eliminate the gap between the doorframe of the car door one correspondence doorframe corresponding with car door two, the vehicle window on interior compartment and outer compartment also can adopt same way to eliminate gap between the two.
In the school bus of above-mentioned a kind of improvement, between described interior compartment and outer compartment, there is driving compartment, described outer compartment is provided with the car door three be communicated with between extraneous and driving compartment.Interior compartment has the motion of certain amplitude eliminating in operational process mutually externally compartment, and in order to not affect the operation of chaufeur, driving compartment is arranged between interior compartment and outer compartment.
Compared with prior art, the present invention has the following advantages:
1, this school bus adopts the structure in interior compartment and outer compartment, interior compartment can move along the direction of automobile advance or retrogressing in external compartment mutually, when the vehicle body of school bus changes, first buffer structure relaxes kinetic energy during relative motion between interior compartment and outer compartment, when automobile occurs to clash into, first the second buffer structure in energy-absorption box has an effect, energy when absorption portion is clashed into, being arranged on the 3rd buffer structure between outer compartment and energy-absorption box can further absorbing impact energy, the injury to student in interior compartment when school bus occurs to clash into can be reduced to greatest extent, improve the safety of school bus.
The base plate in 2, outer compartment is fixedly installed pillar stiffener, the upper end of pillar stiffener is fixedly installed slide plate, groove one, groove two and ball are set between slide plate and interior compartment, groove one and groove two pairs of balls carry out spacing, ensure that slide plate can move by interior compartment relatively simultaneously, thus enable interior compartment when the vehicle body of school bus changes mutually externally compartment move, relax and impact.
3, when the speed of a motor vehicle of school bus changes, interior compartment mutually external compartment moves along automobile fore-and-aft direction, hydraulic oil in liquid storage cylinder one flows in liquid storage cylinder two by hydraulic pipe, in liquid storage cylinder two recoil spring two effect under, hydraulic oil pressurized enters into liquid reserve tank from overflow weir one, by the overflow effect of overflow weir one, apparatus with shock absorbing, relax and impact, when automobile occurs to clash into largely, energy-absorption box pressurized leans on as the piston rod of hydraulic actuating cylinder two is mutually low, promote the piston rod of hydraulic actuating cylinder two, make liquid storage cylinder two pressurized, hydraulic oil in liquid storage cylinder two enters in liquid storage cylinder one, now, overflow weir one can not alleviate pressure in liquid storage cylinder two by fast speed, liquid storage cylinder one internal pressure is caused suddenly to raise, the piston rod promoting hydraulic actuating cylinder one moves to the direction away from interior compartment, namely interior compartment is to forward one segment distance of automobile, impact can greatly be relaxed, when avoiding school bus to be impacted, student in interior compartment is subject to force of inertia effect and meets accident.
4, energy-absorption box is the first energy-absorbing buffering structure that school bus is subject to when clashing into, and when energy-absorption box is impacted, deformation occurs, and 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, can absorption portion Impact energy.
5, when automobile occurs to clash into, energy-absorption box moves to the direction near outer compartment at the directional tagging of guide pillar, promotes the piston rod of hydraulic actuating cylinder three, pressure in liquid storage cylinder three is raised suddenly, hydraulic oil, from overflow weir two overflow to liquid reserve tank, by overflow effect, absorbs energy when clashing into.
Accompanying drawing explanation
Fig. 1 is the perspective view of the school bus of this improvement.
Fig. 2 is the perspective view under another visual angle of school bus of this improvement.
Fig. 3 is the cutaway view of the school bus of this improvement.
Fig. 4 is the enlarged drawing of local A in Fig. 3.
Fig. 5 is the principle schematic of hydraulic efficiency pressure system in the school bus of this improvement.
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 cutaway view of supporting construction in the school bus of this improvement.
In figure, 11, outer compartment; 12, interior compartment; 13, base plate; 14, guide pillar; 2, energy-absorption box; 31, pillar stiffener; 32, slide plate; 33, chute; 34, groove one; 35, groove two; 36, ball; 41, hydraulic actuating cylinder one; 42, liquid storage cylinder one; 43, hydraulic actuating cylinder two; 44, stay bearing plate; 45, liquid storage cylinder two; 46, liquid reserve tank; 51, casing; 52, air extractor vent one; 53, case lid; 54, flange; 55, air extractor vent two; 56, overflow weir one; 57, retracing spring one; 58, retracing spring two; 6, reed; 71, hydraulic actuating cylinder three; 72, retracing spring three; 73, liquid storage cylinder three; 74, overflow weir two; 81, car door two; 82, car door three.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in figures 1 and 3, the school bus improved comprises an outer compartment 11 and an interior compartment 12, between outer compartment 11 and interior compartment 12, there is gap, outer compartment 11 has a base plate 13, the bottom of interior compartment 12 is by a supporting construction and base plate 13 sliding block joint, first buffer structure that can relax the impulsive force that interior compartment 12 is subject to when the mutually external compartment 11 of interior compartment 12 moves also is provided with between interior compartment 12 with outer compartment 11, the front end in outer compartment 11 is provided with an energy-absorption box 2, the second buffer structure is provided with in energy-absorption box 2, be connected by some guide pillars 14 between energy-absorption box 2 with outer compartment 11, energy-absorption box 2 can move with the mutually external compartment 11 of guide pillar 14, between energy-absorption box 2 and outer compartment 11, there is gap, the 3rd buffer structure is provided with between energy-absorption box 2 and outer compartment 11.
This school bus adopts the structure in interior compartment 12 and outer compartment 11, interior compartment 12 can move along the direction of automobile advance or retrogressing in external compartment 11 mutually, when the speed of a motor vehicle of school bus changes, first buffer structure relaxes kinetic energy during relative motion between interior compartment 12 and outer compartment 11, when automobile occurs to clash into, first the second buffer structure in energy-absorption box 2 has an effect, energy when absorption portion is clashed into, being arranged on the 3rd buffer structure between outer compartment 11 and energy-absorption box 2 can further absorbing impact energy, the injury to student in interior compartment 12 when school bus occurs to clash into can be reduced to greatest extent, improve the safety of school bus.
As shown in figures 3 and 8, supporting construction comprises the some pillar stiffeners 31 be fixedly installed on base 13, the upper end of pillar stiffener 31 is fixedly installed slide plate 32, the bottom of interior compartment 12 offers and pillar stiffener 31 chute 33 one to one, chute 33 distributes along automobile fore-and-aft direction, slide plate 32 is plugged in chute 33, the both ends of the surface up and down of slide plate 32 all start fluted 1, chute 33 offers the groove two 35 corresponding with groove 1, ball 36 is provided with between groove 1 and groove 2 35, the base plate 13 in outer compartment 11 is fixedly installed pillar stiffener 31, the upper end of pillar stiffener 31 is fixedly installed slide plate 32, groove 1 is set between slide plate 32 and interior compartment 12, groove 2 35 and ball 36, groove 1 and groove 2 35 pairs of balls 36 carry out spacing, ensure that slide plate 32 can move by interior compartment 12 relatively simultaneously, thus enable interior compartment 12 when the vehicle body of school bus changes mutually externally compartment 11 move, relax and impact.
As Fig. 3, shown in Fig. 4 and Fig. 5, first buffer structure comprises several hydraulic actuating cylinders 1, the piston rod of hydraulic actuating cylinder 1 is fixedly connected with the front side of interior compartment 12, the cylinder body of hydraulic actuating cylinder is fixedly connected with outer compartment 11, hydraulic actuating cylinder has liquid storage cylinder 1, first buffer structure also comprises and hydraulic actuating cylinder 1 hydraulic actuating cylinder 2 43 one to one, the piston rod of hydraulic actuating cylinder 2 43 is plugged on outer compartment 11, outer compartment 11 is fixedly installed a stay bearing plate 44, the cylinder body of hydraulic actuating cylinder 2 43 is fixedly installed on stay bearing plate 44, between the outer end of the piston rod of hydraulic actuating cylinder 2 43 and energy-absorption box 2, there is gap, hydraulic actuating cylinder 2 43 has liquid storage cylinder 2 45, communicated by hydraulic pipe between liquid storage cylinder 1 with liquid storage cylinder 2 45, outer compartment 11 is fixedly installed a liquid reserve tank 46, hydraulic actuating cylinder 2 43 is provided with overflow weir 1, overflow weir 1 place is connected with the hydraulic pipe that liquid storage cylinder 2 45 is communicated with liquid reserve tank 46, some retracing springs 1 are provided with between interior compartment 12 and outer compartment 11, retracing spring 2 58 is provided with in liquid storage cylinder 2 45, when the speed of a motor vehicle of school bus changes, the mutually external compartment 11 of interior compartment 12 moves along automobile fore-and-aft direction, hydraulic oil in liquid storage cylinder 1 flows in liquid storage cylinder 2 45 by hydraulic pipe, in liquid storage cylinder 2 45 recoil spring two effect under, hydraulic oil pressurized enters into liquid reserve tank 46 from overflow weir 1, by the overflow effect of overflow weir 1, apparatus with shock absorbing, relax and impact, when automobile occurs to clash into largely, energy-absorption box 2 pressurized leans on as the piston rod of hydraulic actuating cylinder 2 43 is mutually low, promote the piston rod of hydraulic actuating cylinder 2 43, make liquid storage cylinder 2 45 pressurized, hydraulic oil in liquid storage cylinder 2 45 enters in liquid storage cylinder 1, now, overflow weir 1 can not alleviate pressure in liquid storage cylinder 2 45 by fast speed, liquid storage cylinder 1 internal pressure is caused suddenly to raise, the piston rod promoting hydraulic actuating cylinder 1 moves to the direction away from interior compartment 12, namely interior compartment 12 is to forward one segment distance of automobile, impact can greatly be relaxed, when avoiding school bus to be impacted, student in interior compartment 12 is subject to force of inertia effect and meets accident.
As shown in Figure 3 and Figure 4, energy-absorption box 2 is hollow structure, second buffer structure comprises some the reeds 6 be fixed in energy-absorption box 2, the two ends of reed 6 are fixedly connected with the inwall of energy-absorption box 2, and the dead ahead in outside compartment 11, the middle part of reed 6 is protruding, energy-absorption box 2 is first energy-absorbing buffering structures that school bus is subject to when clashing into, deformation is there is when energy-absorption box 2 is impacted, 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, can absorption portion Impact energy.
As Fig. 3, shown in Fig. 5 and Fig. 6, 3rd buffer structure comprises several hydraulic actuating cylinders 3 71, the cylinder body of hydraulic actuating cylinder 3 71 is fixed on stay bearing plate 44, the piston rod of hydraulic actuating cylinder 3 71 is plugged on outer the compartment 11 and outer end of piston rod and is fixedly connected with energy-absorption box 2, retracing spring 3 72 is provided with between the cylinder body of hydraulic actuating cylinder 3 71 and stay bearing plate 44, hydraulic actuating cylinder 3 71 has liquid storage cylinder 3 73, the cylinder body of hydraulic actuating cylinder 3 71 offers overflow weir 2 74, overflow weir 2 74 place is connected with the hydraulic pipe that liquid storage cylinder 3 73 is communicated with liquid reserve tank 46, when automobile occurs to clash into, energy-absorption box 2 moves to the direction near outer compartment 11 at the directional tagging of guide pillar 14, promote the piston rod of hydraulic actuating cylinder 3 71, pressure in liquid storage cylinder 3 73 is raised suddenly, hydraulic oil is from overflow weir 2 74 overflow to liquid reserve tank 46, by overflow effect, absorb energy when clashing into.
As shown in figure 5 and figure 7, liquid reserve tank 46 comprises an airtight casing 51, the upper end of casing 51 offers some air extractor vents 1, the upper end of casing 51 is also arranged with case lid 53, case lid 53 has a flange 54, flange 54 offers air extractor vent 2 55, in 60 ° of angles between the axis of air extractor vent 2 55 and the upper surface of case lid 53, expand with heat and contract with cold the volume-variation that causes to the impact of liquid reserve tank 46 internal pressure in order to eliminate hydraulic oil, some air extractor vents 1 are offered in the upper end of airtight casing 51, this casing 51 is also arranged with a case lid 53, case lid 53 has flange 54, flange 54 offers some air extractor vents 2 55, in 60 ° of angles between the axis of this air extractor vent 2 55 and the upper surface of case lid 53, namely, air extractor vent 2 55 is towards the below in the outside of casing 51, dust and other impurities can be avoided to enter in liquid reserve tank 46, keep the clean of hydraulic oil.
As Fig. 1, shown in Fig. 2 and Fig. 3, interior compartment 12 offers car door one, outer compartment 11 offers the car door two 81 corresponding with car door one, be connected by sheet rubber between doorframe corresponding with car door 2 81 on doorframe corresponding with car door one on interior compartment 12 and outer compartment 11, student gets on or off the bus and adopts special car door one and car door 2 81, be connected by soft sheet rubber between this car door one and car door 2 81, eliminate the gap between the doorframe of the car door one correspondence doorframe corresponding with car door 2 81, vehicle window on interior compartment 12 and outer compartment 11 also can adopt same way to eliminate gap between the two, between interior compartment 12 and outer compartment 11, there is driving compartment, outer compartment 11 is provided with the car door 3 82 be communicated with between extraneous and driving compartment, interior compartment 12 has the motion of certain amplitude eliminating in operational process mutually externally compartment 11, in order to not affect the operation of chaufeur, driving compartment is arranged between interior compartment 12 and outer compartment 11.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1. the school bus improved, it is characterized in that, comprise an outer compartment (11) and an interior compartment (12), between described outer compartment (11) and interior compartment (12), there is gap, described outer compartment (11) has a base plate (13), the bottom of described interior compartment (12) is by a supporting construction and described base plate (13) sliding block joint, first buffer structure that can relax the impulsive force that interior compartment (12) is subject at interior compartment (12) when externally compartment (11) moves mutually is also provided with between described interior compartment (12) with outer compartment (11), the front end of described outer compartment (11) is provided with an energy-absorption box (2), described energy-absorption box is provided with the second buffer structure in (2), be connected by some guide pillars (14) between described energy-absorption box (2) with outer compartment (11), described energy-absorption box (2) can move in external compartment (11) mutually with described guide pillar (14), between described energy-absorption box (2) and outer compartment (11), there is gap, be provided with supporting construction described in the 3rd buffer structure between described energy-absorption box (2) and outer compartment (11) and comprise the some pillar stiffeners (31) be fixedly installed on base plate (13), the upper end of described pillar stiffener (31) is fixedly installed slide plate (32), the bottom of described interior compartment (12) offers and pillar stiffener (31) chute (33) one to one, described chute (33) distributes 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 start fluted one (34), described chute (33) offers the groove two (35) corresponding with described groove one (34), ball (36) is provided with between described groove one (34) and groove two (35), groove one and groove two pairs of balls carry out spacing, ensure that slide plate can interior compartment motion relatively simultaneously, thus enable interior compartment when the vehicle body of school bus improved changes mutually externally compartment move, relax impact.
2. the school bus of improvement according to claim 1, it is characterized in that, described first buffer structure comprises several hydraulic actuating cylinders one (41), the piston rod of described hydraulic actuating cylinder one (41) is fixedly connected with the front side of interior compartment (12), the cylinder body of described hydraulic actuating cylinder is fixedly connected with described outer compartment (11), described hydraulic actuating cylinder has liquid storage cylinder one (42), described first buffer structure also comprises and hydraulic actuating cylinder one (41) hydraulic actuating cylinder two (43) one to one, the piston rod of described hydraulic actuating cylinder two (43) is plugged on described outer compartment (11), described outer compartment (11) is fixedly installed a stay bearing plate (44), the cylinder body of described hydraulic actuating cylinder two (43) is fixedly installed on described stay bearing plate (44), between the outer end of the piston rod of described hydraulic actuating cylinder two (43) and energy-absorption box (2), there is gap, described hydraulic actuating cylinder two (43) has liquid storage cylinder two (45), described liquid storage cylinder one (42) is communicated by hydraulic pipe with between liquid storage cylinder two (45), described outer compartment (11) is fixedly installed a liquid reserve tank (46), described hydraulic actuating cylinder two (43) is provided with overflow weir one (56), described overflow weir one (56) place is connected with the hydraulic pipe that liquid storage cylinder two (45) is communicated with liquid reserve tank (46), some retracing springs one (57) are provided with between described interior compartment (12) and outer compartment (11), retracing spring two (58) is provided with in described liquid storage cylinder two (45).
3. the school bus of improvement according to claim 2, it is characterized in that, described energy-absorption box (2) is hollow structure, described second buffer structure comprises some the reeds (6) be fixed in energy-absorption box (2), the two ends of described reed (6) are fixedly connected with the inwall of energy-absorption box (2), and the dead ahead in the outside compartment, middle part (11) of described reed (6) is protruding.
4. the school bus of improvement according to claim 3, it is characterized in that, described 3rd buffer structure comprises several hydraulic actuating cylinders three (71), the cylinder body of described hydraulic actuating cylinder three (71) is fixed on described stay bearing plate (44), the piston rod of described hydraulic actuating cylinder three (71) is plugged on described outer compartment (11) and the outer end of piston rod and is fixedly connected with energy-absorption box (2), retracing spring three (72) is provided with between the cylinder body of described hydraulic actuating cylinder three (71) and stay bearing plate (44), described hydraulic actuating cylinder three (71) has liquid storage cylinder three (73), the cylinder body of described hydraulic actuating cylinder three (71) offers overflow weir two (74), described overflow weir two (74) place is connected with the hydraulic pipe that liquid storage cylinder three (73) is communicated with liquid reserve tank (46).
5. the school bus of improvement according to claim 4, it is characterized in that, described liquid reserve tank (46) comprises an airtight casing (51), the upper end of described casing (51) offers some air extractor vents one (52), the upper end of described casing (51) is also arranged with case lid (53), described case lid (53) has a flange (54), described flange (54) offers air extractor vent two (55), in 60 ° of angles between the axis of described air extractor vent two (55) and the upper surface of case lid (53).
6. the school bus of improvement according to claim 5, it is characterized in that, (12) offer car door one to described interior compartment, described outer compartment (11) offers the car door two (81) corresponding with car door one, is connected by sheet rubber between the upper doorframe corresponding with car door one of described interior compartment (12) and outer compartment (11) upper doorframe corresponding with car door two (81).
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| CN201510493680.XA CN105000073B (en) | 2014-03-24 | 2014-03-24 | A kind of improved school bus |
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| 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 |
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| CN105000073B CN105000073B (en) | 2017-08-29 |
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| CN201410109596.9A Active CN103847665B (en) | 2014-03-24 | 2014-03-24 | A kind of school bus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105000073B (en) * | 2014-03-24 | 2017-08-29 | 刘美兴 | A kind of improved school bus |
| 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 |
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| US6502895B2 (en) * | 2001-02-23 | 2003-01-07 | International Truck Intellectual Property Company, L.L.C. | Unitized bus vehicle roof |
| US6554348B1 (en) * | 2002-06-04 | 2003-04-29 | Dan H. Gernstein | Bus body |
| JP3985374B2 (en) * | 1998-12-24 | 2007-10-03 | いすゞ自動車株式会社 | Collision safety structure for cab vehicles |
| 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 |
| CN203844854U (en) * | 2014-03-24 | 2014-09-24 | 梁家豪 | 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 |
| CN103847665B (en) * | 2014-03-24 | 2016-10-05 | 江苏林海动力机械集团有限公司 | A kind of school bus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
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 (8)
| 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 |
| US6554348B1 (en) * | 2002-06-04 | 2003-04-29 | Dan H. Gernstein | Bus body |
| 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 |
| CN203844854U (en) * | 2014-03-24 | 2014-09-24 | 梁家豪 | 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 |
| CN103847665B (en) * | 2014-03-24 | 2016-10-05 | 江苏林海动力机械集团有限公司 | A kind of school bus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105000073B (en) | 2017-08-29 |
| CN103847665B (en) | 2016-10-05 |
| CN103847665A (en) | 2014-06-11 |
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