CN114635946B - Steering damping device for traffic highway equipment - Google Patents
Steering damping device for traffic highway equipment Download PDFInfo
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- CN114635946B CN114635946B CN202210333028.1A CN202210333028A CN114635946B CN 114635946 B CN114635946 B CN 114635946B CN 202210333028 A CN202210333028 A CN 202210333028A CN 114635946 B CN114635946 B CN 114635946B
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- Prior art keywords
- shock absorption
- traffic highway
- control arm
- highway equipment
- mounting block
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- 238000013016 damping Methods 0.000 title claims abstract description 83
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims description 76
- 239000003921 oil Substances 0.000 claims description 46
- 239000000872 buffer Substances 0.000 claims description 45
- 238000010521 absorption reaction Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the technical field of steering damping devices, in particular to a steering damping device for traffic highway equipment, which comprises two oil cylinders, two piston rods, an installation block, two damping cylinders and two damping springs.
Description
Technical Field
The invention relates to the technical field of steering damping devices, in particular to a steering damping device for traffic highway equipment.
Background
Traffic highway equipment such as bulldozers and road rollers generally walk on uneven roads, tires of the traffic highway equipment are impacted by the uneven roads and vibrate in a steering system, and in order to improve steering performance of the traffic highway equipment such as bulldozers and road rollers, steering damping devices are usually arranged at bottoms of the traffic highway equipment such as bulldozers and road rollers to reduce the impact and alleviate the vibration.
The utility model provides a chinese patent of application number CN202020670413.1 discloses a traffic highway equipment turns to damping device, including damping sleeve, two damping pistons, electronic pressure valve, reset spring, the transfer line, damping spring, transfer line and connecting axle, damping sleeve's top and inside intercommunication are provided with the damper orifice, two damping pistons are located damping sleeve inside top and below respectively, electronic pressure valve installs in damping sleeve's inside, electronic pressure valve is located two damping piston's centre, even be provided with a plurality of circulation holes on the electronic pressure valve, a plurality of circulation holes all carry out on-off control through electronic sensor, the top of the damping piston that is located the below contacts with electronic pressure valve's bottom, it can improve the flexibility of shock attenuation effect and shock attenuation mode, reduce the accumulated harm of vibrations to traffic highway equipment, improve traffic highway equipment's life and safety in utilization, the traffic highway equipment that this patent disclosed turns to damping device only one department cushions, the buffer effect is limited, simultaneously, can not disperse the impact force and handle, the device is very easy to be impaired, thereby influence normal use.
However, the existing steering damping device has great defects in the use process, the existing steering damping device has poor damping effect, the vibration of traffic highway equipment is relaxed and limited, the existing steering damping device cannot disperse the received impact force when damping and buffering, only one part is used for buffering, the device is extremely vulnerable, the service life of the device is reduced, the existing steering damping device cannot transfer the received impact force to other directions, and the device can deform and reduce the use reliability under the action of the impact forces on two sides for a long time.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a steering damping device of traffic highway equipment.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a traffic highway equipment turns to damping device, includes two hydro-cylinders, two piston rods, a installation piece, two shock-absorbing cylinders and two damping springs, one side welded fastening of installation piece has two go-between, two the hydro-cylinder is fixed respectively on two go-between, and two the adjacent tip of hydro-cylinder is fixed, two the one end of hydro-cylinder all is equipped with the piston rod, two the equal fixedly connected with guide arm of one end that the hydro-cylinder was kept away from to the piston rod, two the one end that the piston rod was kept away from to the guide arm all is fixed with the bulb, one side that the go-between was kept away from to the installation piece is connected with the control arm, the both ends of control arm all handing-over has the shock-absorbing cylinder, two the one end that the control arm was kept away from to the shock-absorbing cylinder all is equipped with the shock-absorbing rod, two the shock-absorbing cylinder one end is articulated with two bulbs respectively, and this turns to damping device and passes through hydro-cylinder and piston rod cooperation, carries out the shock attenuation to traffic highway equipment's steering wheel, prevents that traffic highway equipment's steering wheel from taking place self-excitation or forced to shake and prevent to brake off tracking, makes things convenient for the driver to better driving large-scale traffic equipment, and simultaneously, and in this aspect, the two shock-absorbing cylinders and two have the shock-absorbing device to increase the effect and two, and the shock-absorbing device make the piston rod and the shock absorbing device more, and the shock absorbing device are not more resistant to the side.
Preferably, the two oil cylinders are arranged in a straight shape, the control arm is parallel to the two oil cylinders, and the mounting block is positioned in the middle of the control arm.
Preferably, hydraulic oil is arranged in the oil cylinder, the piston rod is movably matched with one end of the oil cylinder, a dustproof cover is sleeved at the matched position of the oil cylinder and the piston rod, the dustproof cover is elastic and can be stretched and folded, and two ends of the dustproof cover are respectively fixed with the oil cylinder and the piston rod.
Preferably, a plurality of slotted holes are formed in one side, close to the control arm, of the mounting block, buffer springs are arranged in the slotted holes, one ends, located in the slotted holes, of the buffer springs are fixed in the slotted holes, connecting plates are fixed to the other ends of the buffer springs, one sides of the connecting plates are fixedly connected with the control arm, the control arm is connected with the mounting block through the buffer springs, the mounting block is arranged, the shock absorption and buffering of the tires on the left side and the right side are independent of each other, mutual influence of two-side wheel shimmy is effectively avoided, and further resonance harm is eliminated, the buffer springs are arranged in the mounting block, the buffer springs can pull the control arm, the two shock absorption cylinders, the two shock absorption rods and the shock absorption springs are partially transferred to the directions of the buffer springs through the control arm, and the directions of the buffer springs are shared by the buffer springs, so that on one hand, a part of steering shock force of the wheels of large traffic road equipment can be turned to the front and rear directions, and then the pressure applied to the two sides of the steering equipment is reduced, the shock force is dispersed on the device, the device can endure the shock with higher strength, on the other hand, the shock of the tires on the two sides can be partially impacted by the buffer springs, the shock force of the device is further enhanced, and meanwhile, the shock absorption effect of the device is effectively reduced, and the impact force is generated on the road equipment and the road is protected after the device.
Preferably, the sliding holes with the diameter smaller than the diameter of the slot holes are formed in the slot holes, the sliding rods penetrate through the buffer springs, one ends of the sliding rods are welded with the connecting plates, the other ends of the sliding rods are in sliding fit in the sliding holes, the sliding rods are arranged, the buffer springs are prevented from being deviated when being stressed to deform, the buffer springs are protected, the service lives of the buffer springs are prolonged, and the part loss of the device is reduced.
Preferably, the mounting block is close to one side of the control arm and is provided with a groove, the connecting plate is located in the groove, the thickness of the connecting plate is identical to the depth of the groove, and the connecting plate can be contained in the groove by arranging the groove, so that the mounting block is attached to the control arm, and bending of the control arm is avoided.
Preferably, the cavity has been seted up to the one end that the shock cylinder is close to the shock attenuation pole, is provided with hydraulic oil in the cavity, and shock attenuation pole one end sliding fit is in the cavity, and the piston head is installed to the one end that the shock attenuation pole is located the cavity, and the other end of shock attenuation pole is fixed with the articulated head, and the shock attenuation pole is articulated with the bulb through the articulated head.
Preferably, one end of the damping cylinder, which is far away from the damping rod, is provided with a spring seat, the damping cylinder is hinged with one end of the control arm through the spring seat, damping springs are sleeved on the damping cylinder and the damping rod, and two ends of each damping spring are respectively fixed with the spring seat and the hinging head.
Preferably, the fixing plates are welded at the connecting positions of the two oil cylinders, the fixing plates are welded with the lock catches, the device can be arranged at the front end and the rear end of traffic highway equipment to absorb shock for the steering of the front wheel and the rear wheel, so that the traffic highway equipment provided with the device steers more stably, the front and the rear two devices can be connected through the lock catches, the asynchronous rotating process of the front wheel and the rear wheel in the traffic highway steering process acts on the device, the two devices arranged on traffic highway equipment are not synchronously buffered, and the shock absorbing device arranged on the front wheel can unload the force by the shock absorbing device arranged on the rear wheel when the front wheel steers, one oil cylinder is provided with the strain sensor, the PLC controller and the wireless sensor, the stress of the oil cylinder is monitored by the strain sensor, the service condition of the device and the condition of the road traffic equipment provided with the device can be timely known, the data detected by the PLC controller are timely processed according to the monitored data, and the data are transmitted to the traffic equipment by the wireless sensor.
Preferably, the application method of the steering damping device of the traffic highway equipment specifically comprises the following steps:
step one: the steering damping device is fixed at the bottom of the front end of large-scale traffic highway equipment such as a forklift, a road roller and the like through the mounting block, the mounting block is positioned between two front wheels of the large-scale traffic highway equipment, the control arm is positioned in front of the large-scale traffic highway equipment, and two ball heads of the device are hinged and mounted at the two front wheels of the large-scale traffic highway equipment;
step two: the steering damping device is fixed at the bottom of the rear end of large-scale traffic highway equipment such as a forklift, a road roller and the like through the mounting block, the mounting block is positioned between two rear wheels of the large-scale traffic highway equipment, the control arm is positioned at the rear of the large-scale traffic highway equipment, and two ball heads of the device are hinged and mounted at the two rear wheels of the large-scale traffic highway equipment;
step three: the lock catches of the two devices on the traffic highway equipment are connected by using the steel cable, and the device can be arranged at the front end and the rear end of the traffic highway equipment to absorb shock for steering of the front wheels and the rear wheels.
The invention has the beneficial effects that:
(1) According to the steering damping device, the oil cylinder is matched with the piston rod to damp the steering wheel of the traffic highway equipment, so that the steering wheel of the traffic highway equipment is prevented from self-excitation shimmy or forced shimmy and braking deviation, a driver can conveniently drive the large traffic highway equipment better, meanwhile, two damping cylinders, two damping rods and two damping springs are added in the device to assist the damping of the oil cylinder and the piston rod, on one hand, the damping effect of the belt device can be enhanced, so that the steering control resistance of the traffic highway equipment provided with the device is smaller, the driving operation is safer, the driving safety of the large traffic highway equipment provided with the device is not easy to run away, on the other hand, the impact force borne by the oil cylinder and the piston rod can be shared, the oil cylinder and the piston rod are protected, the steering damping device is not easy to damage, the device is more reliable to use, and meanwhile, the device is more durable, and the service life of the device is prolonged.
(2) According to the invention, the damping and buffering devices are arranged on the left side and the right side of the device to steer the tire, so that the mutual influence of wheel shimmy on the left side and the right side is effectively avoided, and the harm of resonance is further eliminated, thereby improving the safety of using the device.
(3) The invention uses steel cable to connect the lock catches of two devices on the traffic highway equipment, the device can be arranged at the front and rear ends of the traffic highway equipment to absorb shock for the steering of the front wheel and the rear wheel, so that the traffic highway equipment provided with the device steers more stably, the lock catches are arranged to connect the front and rear two devices, the asynchronous rotation process of the front and rear wheels in the steering process of the traffic highway acts on the device, the two devices arranged on the traffic highway equipment are not synchronously buffered, and the shock absorbing device arranged on the front wheel can unload the shock absorbing device arranged on the rear wheel when the front wheel steers, thereby enhancing the integral shock absorbing capacity of the device, avoiding the dirt entering at the joint of the oil cylinder and the piston rod by arranging the dust cover, monitoring the stress of the oil cylinder by arranging the strain sensor, and timely knowing the service condition of the device and the road traffic equipment provided with the device, thus effectively avoiding accidents according to the monitoring data.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of an assembly structure of an oil cylinder and a piston rod according to the present invention.
Fig. 3 is a cross-sectional view of a mounting block of the present invention.
FIG. 4 is a schematic view of a damper cylinder according to the present invention.
FIG. 5 is a schematic view of the shock absorbing rod of the present invention.
In the figure: 1. an oil cylinder; 2. a dust cover; 3. a piston rod; 4. a guide rod; 5. ball head; 6. a connecting ring; 7. a mounting block; 701. a slot hole; 702. a slide hole; 703. a groove; 704. a buffer spring; 705. a slide bar; 706. a connecting plate; 8. a control arm; 9. a shock absorbing cylinder; 901. a cavity; 10. a shock-absorbing rod; 1001. a piston head; 1002. a hinge joint; 11. a spring seat; 12. a damping spring; 13. a fixing plate; 14. locking; 15. a strain sensor; 16. a PLC controller; 17. a wireless sensor.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-5, the steering damping device of the traffic highway equipment comprises two oil cylinders 1, two piston rods 3, a mounting block 7, two damping cylinders 9 and two damping springs 12, wherein two connecting rings 6 are welded and fixed on one sides of the mounting block 7, the two oil cylinders 1 are respectively fixed on the two connecting rings 6, the adjacent ends of the two oil cylinders 1 are fixed, one ends of the two oil cylinders 1 are respectively provided with a piston rod 3, one ends of the two piston rods 3 far away from the oil cylinders 1 are respectively fixedly connected with a guide rod 4, one ends of the two guide rods 4 far away from the piston rods 3 are respectively fixed with a ball head 5, one sides of the mounting block 7 far away from the connecting rings 6 are respectively connected with a control arm 8, two ends of the control arm 8 are respectively connected with the damping cylinders 9, one ends of the two damping cylinders 9 far away from the control arm 8 are respectively provided with a damping rod 10, one ends of the two damping cylinders 10 far away from the damping cylinders 9 are respectively hinged with the two ball heads 5, the steering damping device is matched with the piston rod 3 through the oil cylinder 1 to damp the steering wheel of the traffic highway equipment, so as to prevent the steering wheel of the traffic highway equipment from self-excitation shimmy or forced shimmy and prevent braking deviation, thereby being convenient for a driver to better drive the large traffic highway equipment, simultaneously, two damping cylinders 9, two damping rods 10 and two damping springs 12 are added in the device to assist the damping of the oil cylinder 1 and the piston rod 3, on one hand, the damping effect of the belt device can be enhanced, thereby leading the direction control resistance of the traffic highway equipment provided with the device to be smaller, the driving operation to be safer and not easy to be out of control, further improving the driving safety of the large traffic highway equipment provided with the device, on the other hand, the impact force born by the oil cylinder 1 and the piston rod 3 can be shared, playing a protection role on the oil cylinder 1 and the piston rod 3, the steering damping device is not easy to damage, so that the device is more reliable to use, and meanwhile, the device is more durable, so that the service life of the device is prolonged.
In an alternative implementation manner of the embodiment of the invention, the two oil cylinders 1 are arranged in a straight shape, the control arm 8 is parallel to the two oil cylinders 1, and the mounting block 7 is positioned in the middle of the control arm 8.
In an alternative implementation manner of the embodiment of the invention, hydraulic oil is arranged in the oil cylinder 1, the piston rod 3 is movably matched with one end of the oil cylinder 1, the dustproof cover 2 is sleeved at the matched position of the oil cylinder 1 and the piston rod 3, the dustproof cover 2 has elasticity and can be stretched and folded, and two ends of the dustproof cover 2 are respectively fixed with the oil cylinder 1 and the piston rod 3.
In an alternative implementation manner of the embodiment of the invention, a plurality of slotted holes 701 are formed in one side of the mounting block 7, which is close to the control arm 8, a buffer spring 704 is arranged in each slotted hole 701, one end of each buffer spring 704, which is positioned in each slotted hole 701, is fixed in each slotted hole 701, the other end of each buffer spring 704 is fixed with a connecting plate 706, one side of each connecting plate 706 is fixedly connected with the control arm 8, the control arm 8 is connected with the mounting block 7 through each buffer spring 704, the device enables the shock absorption buffers of the left side and the right side for steering the tire to be mutually independent through the mounting block 7, the mutual influence of the two side wheel shimmy is effectively avoided, and further the harm of resonance is eliminated, so that the safety of the device is improved, the buffer spring 704 is arranged in the mounting block 7, the buffer spring 704 can pull the control arm 8, and the impact force parts received by the two buffer cylinders 9, the two buffer rods 10 and the two buffer springs 12 are transferred to the direction of the buffer spring 704 through the control arm 8, and are carried out by the buffer spring 704, on one hand, a part of the steering impact force of a large-size traffic device is turned to the front and back directions, the two sides of the steering device are further reduced, the impact force of the steering device is further, the impact force of the tire is further improved, the impact device is absorbed on the device is further, and the impact force is further effectively absorbed on the road device, and the impact device is further reduced, and the impact force is absorbed on the impact device is further, and the impact device is further reduced, and the impact force is absorbed on the impact device.
In an alternative implementation manner of the embodiment of the invention, a plurality of slotted holes 701 are provided with slide holes 702 with diameters smaller than the diameters of the slotted holes 701, a slide bar 705 penetrates through the buffer spring 704, one end of the slide bar 705 is welded with a connecting plate 706, the other end of the slide bar 705 is in sliding fit in the slide holes 702, the buffer spring 704 is protected by arranging the slide bar 705 so that the buffer spring 704 cannot deviate when being stressed and deformed, the service life of the buffer spring 704 is prolonged, the part loss of the device is reduced, and the use reliability of the device is further improved.
In an alternative implementation manner of the embodiment of the present invention, a groove 703 is formed on one side of the mounting block 7, which is close to the control arm 8, the connecting plate 706 is located in the groove 703, and the thickness of the connecting plate 706 is the same as the depth of the groove 703, and by setting the groove 703, the connecting plate 706 can be stored in the groove 703, so that the mounting block 7 is attached to the control arm 8, and bending of the control arm 8 is avoided.
In an alternative implementation manner of the embodiment of the invention, a cavity 901 is formed at one end of the shock absorption cylinder 9, which is close to the shock absorption rod 10, hydraulic oil is arranged in the cavity 901, one end of the shock absorption rod 10 is in sliding fit in the cavity 901, a piston head 1001 is arranged at one end of the shock absorption rod 10, which is positioned in the cavity 901, a hinge joint 1002 is fixed at the other end of the shock absorption rod 10, and the shock absorption rod 10 is hinged with the ball head 5 through the hinge joint 1002.
In an alternative implementation manner of the embodiment of the invention, a spring seat 11 is arranged at one end of the shock absorption cylinder 9 away from the shock absorption rod 10, the shock absorption cylinder 9 is hinged with one end of the control arm 8 through the spring seat 11, a shock absorption spring 12 is sleeved on the shock absorption cylinder 9 and the shock absorption rod 10, and two ends of the shock absorption spring 12 are respectively fixed with the spring seat 11 and the hinge joint 1002.
In an alternative implementation manner of the embodiment of the invention, a fixing plate 13 is welded at the joint of two cylinders 1, a lock catch 14 is welded on the fixing plate 13, the device can be installed at the front end and the rear end of traffic highway equipment, the steering of front wheels and rear wheels is damped, the traffic highway equipment provided with the device is more stable, the front and rear two devices can be connected through the lock catch 14, the asynchronous rotation process of the front and rear wheels in the steering process of the traffic highway acts on the device, the two devices installed on traffic highway equipment are not synchronously buffered, and the damping device installed on the front wheels can unload force by the damping device installed on the rear wheels when the front wheels are damped, so that the integral damping capacity of the device is enhanced, the use condition of the device and the condition of the highway traffic equipment provided with the device can be timely monitored by arranging the strain sensor 15 on one cylinder 1, the traffic sensor can be timely monitored by the stress of the cylinder 1, the traffic sensor can be timely monitored by the PLC (programmable logic controller) and the traffic sensor 17 can be timely transmitted to the traffic sensor 17 through the wireless sensor 17, and the accident sensor can be effectively prevented from being detected by the PLC.
In an alternative implementation manner of the embodiment of the present invention, the usage method of the steering damping device for the traffic highway equipment specifically includes the following steps:
step one: the steering damping device is fixed at the bottom of the front end of large traffic highway equipment such as a forklift, a road roller and the like through the mounting block 7, the mounting block 7 is positioned between two front wheels of the large traffic highway equipment, the control arm 8 is positioned in front of the large traffic highway equipment, and two ball heads 5 of the device are hinged and installed at the two front wheels of the large traffic highway equipment;
step two: the steering damping device is fixed at the bottom of the rear end of large traffic highway equipment such as a forklift, a road roller and the like through the mounting block 7, the mounting block 7 is positioned between two rear wheels of the large traffic highway equipment, the control arm 8 is positioned at the rear of the large traffic highway equipment, and the two ball heads 5 of the device are hinged and installed at the two rear wheels of the large traffic highway equipment;
step three: the two locks 14 of the device are connected on the traffic highway equipment by using steel cables, and the device can be arranged at the front end and the rear end of the traffic highway equipment to absorb shock for steering of the front wheels and the rear wheels.
When the device is used, firstly, the steering damping device is fixed at the bottom of the front end of large traffic highway equipment such as a forklift and a road roller through the mounting block 7, the mounting block 7 is arranged between two front wheels of the large traffic highway equipment, the control arm 8 is arranged in front of the large traffic highway equipment, the two ball heads 5 of the device are hinged and mounted at the two front wheels of the large traffic highway equipment, the steering damping device is matched with the piston rod 3 through the oil cylinder 1, the steering wheels of the traffic highway equipment are damped, the self-excitation shimmy or forced shimmy of the steering wheels of the traffic highway equipment is prevented, the braking deflection is prevented, the driver can conveniently drive the large traffic highway equipment better, meanwhile, the two damping cylinders 9, the two damping rods 10 and the two damping springs 12 are additionally arranged in the device, the damping effect of the oil cylinder 1 and the piston rod 3 is assisted, so that the direction control resistance of the traffic highway equipment is smaller, the driving operation is safer, the safety of the large traffic highway equipment with the device is not easy to be mounted, the driving safety of the device is further improved, the two shock absorption devices are also arranged at the end of the large traffic highway equipment, the piston rod 3 is also protected by the device, the piston rod 7 is also arranged at the bottom of the rear end of the large traffic highway equipment, the large traffic highway equipment is protected by the device, the piston rod 7 is protected, the piston rod 7 is further prevented from being arranged at the rear of the rear end of the road equipment, the device is protected, the road equipment is protected by the piston rod 7, and the device is protected by the piston rod is simultaneously, the device is easy to be protected by the piston rod 8, the two ball heads 5 of the device are hinged at the two rear wheels of the large traffic highway equipment, the device enables the shock absorption and buffering of the steering of the tires at the left side and the right side to be mutually independent by arranging the mounting blocks 7, thereby effectively avoiding the mutual influence of the shimmy of the wheels at the two sides and further eliminating the harm of resonance, so as to improve the safety of using the device, the buffer springs 704 are arranged in the mounting blocks 7, the control arms 8 can be pulled by the buffer springs 704, the impact force parts received by the two shock absorption cylinders 9, the two shock absorption rods 10 and the two shock absorption springs 12 are transferred to the directions of the buffer springs 704 by the control arms 8 and are shared by the buffer springs 704, on one hand, part of the steering shock impact force of the wheels of the large traffic highway equipment can be turned to the front and back directions, and then the pressure received by the two sides of the steering device is reduced, so that the impact force is more dispersed on the device, the device can bear the impact with higher strength, thereby enhancing the shock absorbing capacity of the steering shock absorbing device, on the other hand, the buffer spring 704 shares part of impact force, further enhancing the shock absorbing effect of the device, meanwhile, the device also effectively reduces the reaction force of the device on the tire after buffering, further plays a role in protecting large traffic road equipment provided with the device, the buffer spring 704 can not deviate when being stressed and deformed by arranging the sliding rod 705, the buffer spring 704 is protected, the service life of the buffer spring 704 is prolonged, the part loss of the device is reduced, thereby further improving the using reliability of the device, finally, the lock catches 14 of the two devices on the traffic road equipment are connected by using steel ropes, the device can be arranged at the front end and the rear end of the traffic road equipment to absorb the shock of the steering of the front wheel and the rear wheel, make the traffic highway equipment of installing the device turn to more steady, through setting up hasp 14, can connect two front and back devices, the asynchronous rotation process of front and back wheel among the traffic highway steering process, act on the device, make two devices of installing on traffic public theory equipment asynchronous buffering, and this damping device of front wheel installation is when carrying out the shock attenuation to front wheel steering, can unload the power with this damping device of rear wheel installation, thereby strengthen the whole shock-absorbing ability of device, through setting up dust cover 2, avoid hydro-cylinder 1 and piston rod 3 junction entering dirt, monitor hydro-cylinder 1 atress through setting up strain sensor 15, can in time know the service condition of the device and the situation of the highway traffic equipment of installing the device, handle in time according to monitoring data, thereby can effectively avoid the emergence of accident.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a traffic highway equipment turns to damping device, includes two hydro-cylinders (1), two piston rods (3), a installation piece (7), two shock-absorbing cylinders (9) and two damping springs (12), its characterized in that: two connecting rings (6) are fixedly welded on one side of the mounting block (7), two oil cylinders (1) are respectively fixed on the two connecting rings (6), two adjacent end parts of the oil cylinders (1) are fixed, one ends of the two oil cylinders (1) are respectively provided with a piston rod (3), one ends of the two piston rods (3) far away from the oil cylinders (1) are respectively fixedly connected with a guide rod (4), one ends of the two guide rods (4) far away from the piston rods (3) are respectively fixedly provided with a ball head (5), one side of the mounting block (7) far away from the connecting rings (6) is connected with a control arm (8), two ends of the control arm (8) are respectively connected with a shock absorption cylinder (9), one ends of the two shock absorption cylinders (9) far away from the control arm (8) are respectively provided with a shock absorption rod (10), and one ends of the two shock absorption rods (10) far away from the shock absorption cylinders (9) are respectively hinged with the two ball heads (5);
the two oil cylinders (1) are arranged in a straight line, the control arm (8) is parallel to the two oil cylinders (1), and the mounting block (7) is positioned in the middle of the control arm (8);
the hydraulic oil is arranged in the oil cylinder (1), the piston rod (3) is movably matched with one end of the oil cylinder (1), the dustproof cover (2) is sleeved at the matched position of the oil cylinder (1) and the piston rod (3), the dustproof cover (2) has elasticity and can be stretched and folded, and two ends of the dustproof cover (2) are respectively fixed with the oil cylinder (1) and the piston rod (3);
a plurality of slotted holes (701) are formed in one side, close to the control arm (8), of the mounting block (7), buffer springs (704) are arranged in the slotted holes (701), one end, located inside the slotted holes (701), of each buffer spring (704) is fixed in each slotted hole (701), a connecting plate (706) is fixed at the other end of each buffer spring (704), one side of each connecting plate (706) is fixedly connected with the control arm (8), and the control arm (8) is connected with the mounting block (7) through the corresponding buffer springs (704);
sliding holes (702) with diameters smaller than those of the slotted holes (701) are formed in the slotted holes (701), sliding rods (705) penetrate through the buffer springs (704), one ends of the sliding rods (705) are welded with the connecting plates (706), and the other ends of the sliding rods (705) are in sliding fit in the sliding holes (702);
a groove (703) is formed in one side, close to the control arm (8), of the mounting block (7), a connecting plate (706) is positioned in the groove (703), and the thickness of the connecting plate (706) is the same as the depth of the groove (703);
a cavity (901) is formed in one end, close to a shock absorption rod (10), of the shock absorption cylinder (9), hydraulic oil is arranged in the cavity (901), one end of the shock absorption rod (10) is in sliding fit in the cavity (901), a piston head (1001) is mounted at one end, located in the cavity (901), of the shock absorption rod (10), a hinge joint (1002) is fixed at the other end of the shock absorption rod (10), and the shock absorption rod (10) is hinged with the ball head (5) through the hinge joint (1002);
one end of the shock absorption cylinder (9) far away from the shock absorption rod (10) is provided with a spring seat (11), the shock absorption cylinder (9) is hinged with one end of the control arm (8) through the spring seat (11), shock absorption springs (12) are sleeved on the shock absorption cylinder (9) and the shock absorption rod (10), and two ends of each shock absorption spring (12) are respectively fixed with the spring seat (11) and the hinging head (1002);
a fixed plate (13) is welded at the joint of the two oil cylinders (1), a lock catch (14) is welded on the fixed plate (13), and a strain sensor (15), a PLC (programmable logic controller) 16 and a wireless sensor (17) are arranged on one oil cylinder (1);
the application method of the steering damping device of the traffic highway equipment specifically comprises the following steps:
step one: the steering damping device is fixed at the bottom of the front end of the large traffic highway equipment through a mounting block (7), the mounting block (7) is positioned between two front wheels of the large traffic highway equipment, a control arm (8) is positioned in front of the large traffic highway equipment, and two ball heads (5) of the device are hinged and mounted at the two front wheels of the large traffic highway equipment;
step two: the steering damping device is fixed at the bottom of the rear end of the large traffic highway equipment through a mounting block (7), the mounting block (7) is positioned between two rear wheels of the large traffic highway equipment, a control arm (8) is positioned at the rear of the large traffic highway equipment, and two ball heads (5) of the device are hinged and installed at the two rear wheels of the large traffic highway equipment;
step three: two locks (14) of the device are connected on the traffic highway equipment by using steel cables, and the device is arranged at the front end and the rear end of the traffic highway equipment to absorb shock for steering of front wheels and rear wheels.
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| CN202210333028.1A CN114635946B (en) | 2022-03-31 | 2022-03-31 | Steering damping device for traffic highway equipment |
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| CN202210333028.1A CN114635946B (en) | 2022-03-31 | 2022-03-31 | Steering damping device for traffic highway equipment |
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| CN114635946B true CN114635946B (en) | 2024-01-19 |
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| CN114635946A (en) | 2022-06-17 |
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