CN208021386U - A kind of safety-type sweeping machine - Google Patents

Abstract

The utility model provides a kind of safety-type sweeping machine, sweeping machine includes vehicle body and chassis, wherein, bumper housings are set up respectively at left and right sides of vehicle body, sweeping machine further includes collision riser, anticollision mechanism and two buffer gears, anticollision mechanism includes several screws and the first L-shaped protective fence set gradually from back to front, the second L-shaped protective fence and third L-shaped protective fence, has upwardly extended Tapered Column respectively at left and right sides of the first L-shaped protective fence, Tapered Column is inserted upwardly into bumper housings.Buffer gear is set in bumper housings and each buffer gear includes spring, damping sliding block, connecting rod and wedge block.The utility model adds buffer gear and anticollision mechanism in the tail portion of traditional sweeping machine; buffer gear and anticollision mechanism is allowed to play the effect for absorbing collision energy and keeping out automobile; wear end collision of automobile is set to stop in terms of subtracting energy and blocking two; it effectively prevent wear end collision of automobile to pierce the bottom of sweeping machine, while protecting the chassis of sweeping machine and the front of the car of automobile.

Description

A kind of safety-type sweeping machine

Technical field

The utility model is related to a kind of safety-type sweeping machines.

Background technology

With the fast development of modern city, sweeping machine has become the common cleaning equipment in city, and sweeper is carrying out Running speed is slower when cleaning work, is easy, by the Vehicular impact of high speed traveling, to be easy to cause vehicle on seething road Disaster event.And the chassis setting of sweeping machine is higher, easily directly from the chassis of sweeping machine when car hits sweeping machine from tail portion Into under the extruding on chassis, the chassis of sweeping machine and car damage are more serious.

In view of the above-mentioned problems, the applicant furthers investigate in view of the above-mentioned drawbacks in the prior art, according to the spy of sweeping machine Point is designed, and has this case generation then.

Invention content

The purpose of this utility model is to provide a kind of safety-type sweeping machines, effectively reduce car and hit and make from tail portion At damage.

The utility model is realized in this way：

A kind of safety-type sweeping machine is provided, sweeping machine includes vehicle body and chassis, and chassis is located at below vehicle body, wherein vehicle body The left and right sides sets up bumper housings respectively, and sweeping machine further includes collision riser, anticollision mechanism and two buffer gears, the anticollision Mechanism includes that several screws and the first L-shaped protective fence set gradually from back to front, the second L-shaped protective fence and third L-shaped are anti- Guardrail, each L-shaped protective fence includes transverse plate and vertical plate and transverse plate is connected to behind vertical plate, the protection of the first L-shaped The rear end of the transverse plate on column passes through the front end of the folded transverse plate for being located at the second L-shaped protective fence of screw, the transverse direction of the second L-shaped protective fence The rear end of plate passes through the front end of the folded transverse plate for being located at third L-shaped protective fence of screw, the first L-shaped protective fence left and right sides point Tapered Column is not upwardly extended, which is inserted upwardly into the bumper housings, and the buffer gear is set in bumper housings simultaneously And each buffer gear includes spring, damping sliding block, connecting rod and wedge block, the both ends of the spring is separately connected damping cunning The preceding inner wall of block and bumper housings, the damping sliding block other end are rotatablely connected the front end of connecting rod, and the rear end thereof of the connecting rod connects It is connected on Tapered Column, the lozenges of the wedge block supports the lozenges of Tapered Column, the bottom connection of wedge block faced directly Riser is collided, which is located between two wedge blocks.

Further, the sweeping machine further includes there are two motor-driven jack, and two motor-driven jacks set up separately under chassis The power-on switch of the right and left in face, two motor-driven jacks is respectively provided on the lozenges of two wedge blocks.

Further, the sweeping machine further includes having emergency alarm bell, and the emergency alarm bell is located on the wedge block, described logical Electric switch controls the energization and power-off of emergency alarm bell circuit.

Further, the screw number ratio for hammering into the first L-shaped protective fence and the second L-shaped protective fence hammers into the protection of the second L-shaped The screw number of column and third L-shaped protective fence is few.

Further, arc frame, the arc frame upper edge right and left are equipped with behind the vertical plate of the first L-shaped protective fence To laying several rotating cylinders at equal intervals.

Further, the rotating cylinder is made of polyurethane foam Energy dissipating material and the surface of rotating cylinder is equipped with fluorescence Powder.

Further, the rear surface of the collision riser is equipped with Wasted-energy steel plate and several damping springs, the Wasted-energy steel plate table There are several trapezoidal protrusions, the trapezoidal protrusion to form damping space with collision riser in face, and the damping spring is set to damping In space and damping spring both ends are separately connected collision riser and Wasted-energy steel plate, several damping springs and damping space are one by one With setting.

Further, the Wasted-energy steel plate is made of polyurethane foamed material.

After adopting the above technical scheme, the utility model is related to a kind of safety-type sweeping machine, it is compared with prior art, beneficial Effect is that the utility model adds buffer gear and anticollision mechanism in the tail portion of traditional sweeping machine, allows buffer gear and anticollision Mechanism plays the effect for absorbing collision energy and keeping out automobile, forces wear end collision of automobile to stop in terms of subtracting energy and blocking two, effectively It prevents wear end collision of automobile from piercing the bottom of sweeping machine, while protecting the chassis of sweeping machine and the front of the car of automobile, substantially reduce automobile It knocks into the back the causality loss of sweeping machine, more effective safety precautions is provided, it is highly practical.

Description of the drawings

Fig. 1 is the side structure schematic diagram of the utility model；

Fig. 2 is one of the structure schematic diagram of the utility model；

Fig. 3 is the two of the structure schematic diagram of the utility model；

Fig. 4 is the structural schematic diagram of the first L-shaped protective fence of the utility model；

Fig. 5 is the close-up schematic view of part A in Fig. 1；

Fig. 6 be the utility model collision riser, Wasted-energy steel plate and damping spring connection diagram.

Reference sign：

11, the first L-shaped protective fence, 111, Tapered Column, 112, arc frame, 113, rotating cylinder, 1131, fluorescent powder, 12, second L-shaped protective fence, 13, third L-shaped protective fence, 14, screw, 15, transverse plate, 16, vertical plate；21, spring, 22, damping sliding block, 23, connecting rod, 24, wedge block；3, motor-driven jack, 31, power-on switch；4, sweeping machine；5, bumper housings；6, collision is perpendicular Plate, 61, Wasted-energy steel plate, 611, trapezoidal protrusion, 62, damping spring, 63, damping space；7, emergency alarm bell.

Specific implementation mode

For the technology contents of the utility model, construction feature, the objects and the effects are described in detail, below in conjunction with implementation Mode simultaneously coordinates attached drawing to be explained in detail.Coordinate X, Y, Z indicate front-rear direction, left and right directions and upper and lower directions respectively in figure.

Referring to Fig.1 shown in -5, the utility model provides a kind of safety-type sweeping machine 4, and sweeping machine 4 includes vehicle body and chassis, Chassis is located at below vehicle body, wherein sets up bumper housings 5 at left and right sides of vehicle body respectively, screw bolt or welding may be used Etc. modes connect, sweeping machine 4 further includes collision riser 6, anticollision mechanism and two buffer gears.The anticollision mechanism includes several Screw 14 and the first L-shaped protective fence 11 set gradually from back to front, the second L-shaped protective fence 12 and third L-shaped protective fence 13, Each L-shaped protective fence includes transverse plate 15 and vertical plate 16 and transverse plate 15 is vertically connected on behind vertical plate 16, the first L The rear end of the transverse plate 15 of shape protective fence 11 folds the front end for the transverse plate 15 for being located at the second L-shaped protective fence 12 by screw 14, the The front end that the rear end of the transverse plate 15 of two L-shaped protective fences 12 passes through the folded transverse plate 15 for being located at third L-shaped protective fence 13 of screw 14. Since screw hammers into two L-shaped protective fences, needs to infer screw before the movement of L-shaped protective fence, it is larger to infer that screw needs Thrust, can be moved from the rear end forward end of the second L-shaped protective fence 12 when the first L-shaped protective fence 11 is hit by wear end collision of automobile Dynamic, the impact force that the first L-shaped protective fence moves moment can infer screw to consume crash energy, similarly, the protection of the second L-shaped Column 12 will also absorb energy and infer that screw can just be moved from the rear end forward end of third L-shaped protective fence 13 to absorb Impact energy, Most impact energy is consumed eventually by deduction screw.

As shown in Fig. 1,4,11 left and right sides of the first L-shaped protective fence has upwardly extended Tapered Column 111 respectively, the wedge shape Column 111 is inserted upwardly into the bumper housings 5.Arc frame 112 is equipped with behind the vertical plate of the first L-shaped protective fence 11, it should Arc frame 112 lays several rotating cylinders 113 at equal intervals in left-right direction, several rotating cylinders 113 with arc frame 112 radian Lay, when wear end collision of automobile collides the first L-shaped protective fence 11, the arcs of several rotating cylinders 113 arrange so that rotating cylinder 113 by The impact force arrived is different, therefore rotating cylinder 113 can be driven to rotate when wear end collision of automobile hits rotating cylinder 113,113 turns of rotating cylinder Dynamic one side can consume the impact energy of automobile, and on the other hand can guiding wear end collision of automobile, both sides are moved to the left and right, are effectively avoided Automobile drives straight in the chassis of sweeping machine 4, is further reduced causality loss.

The buffer gear is set in bumper housings and each buffer gear includes spring 21, damping sliding block 22, connection Bar 23 and wedge block 24,21 both ends of the spring are separately connected damping sliding block 22 and the preceding inner wall of bumper housings, and damping is slided 22 other end of block is rotatablely connected the front end of connecting rod 23, and the rear end thereof of the connecting rod 23 is connected on Tapered Column 111, that is, connects Bar 23 connects damping sliding block 22 and Tapered Column 111, the spring energy of spring 21 prop up Tapered Column 111 by connecting rod 23 so that wedge Shape column 111 is stuck between wedge block 24 and damping sliding block 22.The lozenges of the wedge block 24 supports the wedge of Tapered Column 111 Shape face, the bottom connection collision riser 6 of wedge block 24 faced directly, the collision riser 6 are located between two wedge blocks 24, edge 4 left and right directions of sweeping machine extends.

The use state of the utility model is as follows：Wear end collision of automobile knocks collision riser 6 from 4 tail portion of sweeping machine, collides riser 6 Stress pushes wedge block 24 to move forward, and wedge block 24, which moves forward, pushes Tapered Column 111 to move down, connecting rod 23 Rear end is moved down with Tapered Column 111 so that the front end of connecting rod 23 pushes 22 forward slip of damping sliding block, damping sliding block 22 to Spring 21 is squeezed during front slide, Impact energy is so absorbed by the deformation of spring 21, after 23 complete accumbency of connecting rod, is prevented The structure that collides also has declined completely, and anticollision mechanism decline is played the role of preventing car from piercing 4 hull bottom of sweeping machine, at this time still So there is collision energy not absorbed, then collision energy continues to front transfer, during the first L-shaped of automobile impacting protective fence 11, Also rotating cylinder 113 has just been knocked, has on the one hand been fractureed by inferring that screw consumes part impact energy, another aspect rotating cylinder 113 Rotation consume portion of energy, and 113 recurvate arc placing structure of rotating cylinder is additionally favorable for steer motor to the left and right two Side is moved, and final realize exhausts collision energy and prevent from directly entering 4 bottom of sweeping machine.

The size of the screw of different size is different, intensity also just it is different, the required thrust that fractures with regard to different, What specific thrust numerical value can be surveyed by experiment, in actual use, the utility model, can for the track of different speeds The collision energy generated under different speeds is estimated with basis, then according to the collision energy of estimation, to the utility model Parameter optimizes, for example increase by 14 quantity of screw, increase coefficient of elasticity etc., so that it is inhaled completely in certain distance self-energy It receives, to substantially improve the geometry compatibility and rigidity compatibility of two vehicles in rear-end impact, the collision peace of protection staff and vehicle Quan Xing.

Wherein, the rotating cylinder 113 is made of polyurethane foam Energy dissipating material, utilizes the deformation of of rotating cylinder 113 itself Also portion of energy can be absorbed, and converts the rigid collision of automobile and rotating cylinder 113 to flexible impact, is reduced automobile deformed.Rotation The surface of rotating cylinder is equipped with fluorescent powder, allows the sweeping machine tailstock to send out fluorescence, the brightness of the fluorescence will not make the colleague of other automobiles It can play a warning role at obstacle and at night, prevent from accidentally hitting caused by insufficient light.

As the preferred embodiment of the utility model, as shown in Fig. 2, the sweeping machine 4 further includes that there are two electronic very heavy Top 3, two motor-driven jacks 3 set up the right and left below chassis separately, and the power-on switch 31 of two motor-driven jacks 3 is set respectively On the lozenges of two wedge blocks 24, a power-on switch 31 controls a motor-driven jack 3, in order to simplify electric wire connection The power circuit of structure, motor-driven jack 3 can be individually designed, using lithium battery power supply.Wedge shape is driven when wedge block 24 moves forward Column 111 can touch the power-on switch 31 of motor-driven jack 3 and can be jacked up after power-on switch 31 starts motor-driven jack 3 when declining The tail portion of sweeping machine 4 so that 4 tail portion of sweeping machine increases at a distance from ground, to expand the accommodating space of wear end collision of automobile, reduces The area that automobile is directly hit with 4 chassis of sweeping machine, protects 4 chassis of front of the car and sweeping machine of automobile significantly.

It is highly preferred that the sweeping machine further includes having emergency alarm bell 7, the emergency alarm bell is located on the wedge block, described Power-on switch controls the energization and power-off of emergency alarm bell circuit, and a power-on switch controls an emergency alarm bell and one electronic very heavy It pushes up, connects with power-on switch after emergency alarm bell circuit and motor-driven jack circuit in parallel, power-on switch is opened, and two circuits are all logical Electricity, conversely, power-on switch is closed, two circuits all power off.When automobile crash to L-shaped protective fence and L-shaped protective fence is made to move back When dynamic, power-on switch will be pressed, also just starts emergency alarm bell at this time and sends out alarm, warning is played to surrounding vehicles and environment and is made With.

According to the principle of collision the first L-shaped protective fence 11 and are hammered into as another preferred embodiment of the utility model Screw 14 quantity of 14 quantity of screw of two L-shaped protective fences 12 than hammering into the second L-shaped protective fence 12 and third L-shaped protective fence 13 It is few.Such as in the present embodiment, the screw 14 for hammering into the first L-shaped protective fence 11 and the second L-shaped protective fence 12 has a row, hammers into The screw 14 of two L-shaped protective fences 12 and third L-shaped protective fence 13 has two rows, since the impact force of automobile at the beginning is maximum, First L-shaped protective fence 11 only has row's screw 14, and it is smaller which is pushed off consumed impact energy, can only be to impact force It is centainly consumed, so vehicle will continue to move, is then further become smaller using the counteracting of 14 resistance of two rows of screws, just In this way, impact force is smaller and smaller, resistance is increasing so that it is an incremental process to absorb energy, in this way, this practicality It is novel that the larger rigid impact of intensity will not be carried out with the impact force of maximum, force, take the mode of slow consumption impact force can be effective It avoids the utility model from directly being smashed, and generates the fragment of bigger impact force and cause secondary injury, while realizing absorption energy The effect of amount.Finally, after the second L-shaped protective fence 122 slides into bottom, impact force be not enough to allow third L-shaped protective fence 13 again It moves backward, can effectively prevent the protected object of Vehicular impact in this way, greatly improve security performance.In actual use, The quantity of L-shaped protective fence can be selected according to the energy estimated.

With wear end collision of automobile collide at first be collision riser, in order to reduce the damage of wear end collision of automobile, as shown in fig. 6, As another preferred embodiment of the utility model, the rear surface of the collision riser 6 is equipped with Wasted-energy steel plate 61 and several subtract Spring 62 is shaken, 61 surface of the Wasted-energy steel plate has several trapezoidal protrusions 611, the trapezoidal protrusion 611 and the collision formation of riser 6 Damping space 63, damping space are that Wasted-energy steel plate 61 provides more deformation spaces, and the damping spring 62 is set to damping space 63 Interior and 62 both ends of damping spring are separately connected collision riser 6 and Wasted-energy steel plate 61, several damping springs 62 and damping space 63 Matching setting one by one, the Wasted-energy steel plate 61 are made of polyurethane foamed material, can carry out flexible deformation to absorb impact energy. The crimp into damping space 63 after Wasted-energy steel plate 61 is impacted, to absorb portion of energy, during damping space 63 becomes smaller Impact energy is transmitted to again on damping spring 62, and damping spring compressive deformation, which is also realized, absorbs impact energy, so passes through energy consumption The deformation of plate and damping spring consumes energy for the first time to wear end collision of automobile, plays buffering effect, avoids direct rigid impact to chasing after Tail automobile causes larger damage.

The above description is only the embodiments of the present invention, is not intended to limit the scope of patent protection of the utility model, Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported Used in other related technical areas, it is equally included in the patent within the scope of the utility model.

Claims (1)

1. a kind of safety-type sweeping machine, sweeping machine include vehicle body and chassis, chassis is located at below vehicle body, which is characterized in that vehicle body The left and right sides sets up bumper housings respectively, and sweeping machine further includes collision riser, anticollision mechanism and two buffer gears, the anticollision Mechanism includes that several screws and the first L-shaped protective fence set gradually from back to front, the second L-shaped protective fence and third L-shaped are anti- Guardrail, each L-shaped protective fence includes transverse plate and vertical plate and transverse plate is connected to behind vertical plate, the protection of the first L-shaped The rear end of the transverse plate on column passes through the front end of the folded transverse plate for being located at the second L-shaped protective fence of screw, the transverse direction of the second L-shaped protective fence The rear end of plate passes through the front end of the folded transverse plate for being located at third L-shaped protective fence of screw, the first L-shaped protective fence left and right sides point Tapered Column is not upwardly extended, which is inserted upwardly into the bumper housings；The buffer gear is set in bumper housings simultaneously And each buffer gear includes spring, damping sliding block, connecting rod and wedge block, the both ends of the spring is separately connected damping cunning The preceding inner wall of block and bumper housings, the damping sliding block other end are rotatablely connected the front end of connecting rod, and the rear end thereof of the connecting rod connects It is connected on Tapered Column, the lozenges of the wedge block supports the lozenges of Tapered Column, the bottom connection of wedge block faced directly Riser is collided, which is located between two wedge blocks.