Hydraulically driven anticollision car stop
Technical field
The present invention relates to a kind of hydraulically driven anticollision car stop that is used for places such as parking lot, expressway tol lcollection place.
Background technology
Hydraulically driven car stop has stable drive, reliability advantages of higher.Typical hydraulically driven car stop as shown in Figure 1.This car lug comprises a hydraulic system, a main shaft assembly 11, a pin assembly 12, a hydraulic cylinder assembly 1, a buffer 13 and a connecting rod 14.Buffer 13 generally includes another oil cylinder 13 " and a spring 13 '.
The hydraulic oil pipe system of this car lug as shown in Figure 4.Comprise described fuel tank 9, described motor 6, described oil pump 5 and a three position four-way electromagnetic valve 3 in this oil circuit, oil pump 5 connects with three position four-way electromagnetic valve 7 by two branch roads, and an overflow valve 4 is set on the branch road, and an one way valve 3 is set on another branch road.In addition two interfaces of three position four-way electromagnetic valve 7 again by two one-way throttle valves 2 respectively with two oil cylinders 1 and 13 " in one connect.
The shortcoming of this car lug is as follows: at first, the locking poor-performing of pin, when pin remain on for a long time vertically and level between the centre position time because oil leaks, pin is reduced gradually; Secondly, if occur having a power failure when pin is horizontal, then pin can't be got back to vertical release position.
Another shortcoming of traditional car lug is the motion that can only do in a vertical plane between above-mentioned horizontal level and the stand up position.It is found that, vehicle lance incident in use often occurs, or this is because the driver is careless, perhaps causes owing to the driver has a mind to steal a ride.Because the pin of above-mentioned traditional car lug relative car lug support body perfect rigidity in horizontal plane is fixed, promptly, in this horizontal plane without any freedom of motion, so, during lance not only pin be damaged, and pin passes to bearing with vehicle effect moment thereon, makes bearing also be subjected in various degree damage, heavy then complete machine is scrapped, and gently then needs long time and expense place under repair.
In order to reduce the loss that lance causes, the someone has designed a kind of car lug with the bending resistance spring.U.S. Pat 4227344 discloses the such car lug of an example.Fig. 7 and Fig. 8 are respectively that one in this patent overlooked and front view.As can be seen, comprise the anticollision device, collision-prevention device of a bending resistance form of springs in this car lug from this two width of cloth figure, pin 310 is connected with bearing 314 by bending resistance spring 324.Like this, when vehicle bumped against pin 320, bending resistance spring 324 can rotate pin in horizontal plane after the power that is subjected to a certain degree, because the existence of bending resistance spring 324, vehicle is applied to the moment that the power on the pin produces on bearing 316 very little, can not damage bearing 316.
The shortcoming of this car lug is that when pin was hit, the bending resistance spring made it have bounce.Therefore, if stop behind the vehicle lance, pin can rebound, and pounds on the car, and vehicle is caused damage.If vehicle is rushed bar and escaped, the spring after the bounce-back can cause serious injury personnel.
Summary of the invention
One object of the present invention will overcome above-mentioned shortcoming exactly, provides a kind of locking good and can pin be recovered to the hydraulically driven car stop of vertical position when having a power failure.
Another object of the present invention provides a kind of anti-collision vehicle barrier, has both made the bump that is subjected to vehicle, and the damage that the main body of this car lug is subjected to is also very little.
Hydraulically driven car stop of the present invention comprises that a hydraulic system, a crashproof pin assembly and are used to drive first oil cylinder of pin, the piston rod of this first oil cylinder is connected with a connecting rod gudgeon, the other end of this connecting rod and a buffer are pivotally connected, motion with the buffering pin, the mid point of connecting rod is fixedlyed connected with the main shaft assembly of pin assembly, become rotatablely moving of pin with reciprocating motion, thereby pin is moved between a horizontal level and a vertical position first oil cylinder; Described car lug also comprises one near switch, detecting the position of connecting rod, thereby controls the reciprocating of piston in first oil cylinder; Described buffer comprises one second oil cylinder and a spring.
Described hydraulic system comprises that a fuel tank, a motor and are by this motor-driven oil pump, the oil-out of oil pump is communicated with two branch roads, a branch road directly connects with the pressure port of a three position four-way electromagnetic valve, another branch road leads to fuel tank through an overflow valve, the oil return opening of three position four-way electromagnetic valve also leads to fuel tank, and two working holes of three position four-way electromagnetic valve respectively are connected in series a hydraulic control one-way valve and an one-way throttle valve leads to one of two oil cylinders; With also tell another branch road in the oil circuit that first oil cylinder communicates, serial connection one two-position four-way solenoid valve on this branch road, and be connected in series the oil circuit parallel connection that forms by one-way throttle valve and hydraulic control one-way valve.
Crashproof pin assembly comprises a pin and a cover anticollision device, collision-prevention device, described anticollision device, collision-prevention device comprises a spiral arm, an one connecting shaft arm and a connecting shaft piece, wherein connecting shaft arm and connecting shaft piece one, and fixedly connected with transmission main shaft, together rotate with this transmission main shaft, spiral arm is a channel-section steel, the notch of channel-section steel is sailed next direction towards vehicle, its size is suitable for making the connecting shaft arm to be placed on just in the groove of this channel-section steel, spiral arm and connecting shaft arm at one end portion are pivotally connected by a vertical pivot, the channel-section steel backboard of an above-mentioned pivotally connected end of spiral arm cuts away one, so that spiral arm can rotate by relative pivot with the connecting shaft arm, pin is the sleeve of a rectangular cross section, its size is suitable for just spiral arm and connecting shaft arm being inserted in it, pin suitably reduces in the intensity on a side of the direction that vehicle is sailed that is enclosed within the part on the connecting shaft arm at least, reaches the degree that the pin sleeve wall of this side can be torn on this part when Vehicular impact is to pin.
Those skilled in the art are not difficult to find out, have adopted the double hydraulic control one way valve owing in the hydraulically driven car stop of the present invention, so the locking performance of system's oil cylinder is improved.Owing to adopted two-position four-way solenoid valve, car lug of the present invention has increased the bypass functionality oil circuit, and therefore, under the situation that occurs having a power failure when pin is horizontal, this car lug can utilize a standby storage battery that pin is holded up.It can also be seen that this car lug has reduced because of Vehicular impact is delivered to power on the car lug support body, make the damage of car lug reduce to minimum.And because the above-mentioned intensity on the pin reduces part, the loss that when being subjected to Vehicular impact vehicle is caused is also very little.Since do not adopt the spring anti-collision structure, can be after pin is clashed into owing to bounce-back is hurted sb.'s feelings.
The description of the drawings
Fig. 1 is the structural front view of the hydraulically driven car stop of prior art.
Fig. 2 is the structure chart of hydraulic driven anti-collision vehicle barrier of the present invention.
Fig. 3 is the left view of hydraulic driven anti-collision vehicle barrier of the present invention shown in Figure 2
Fig. 4 is the hydraulic scheme of hydraulically driven car stop of the prior art.
Fig. 5 is the hydraulic scheme of hydraulic driven anti-collision vehicle barrier of the present invention.
Fig. 6 is the schematic diagram of the oil piping system combination block of hydraulic driven anti-collision vehicle barrier of the present invention.
Fig. 7 is a vertical view of anti-collision vehicle barrier of the prior art.
Fig. 8 is the front view of anti-collision vehicle barrier shown in Figure 7.
Fig. 9 is the vertical view of pin assembly when not bumped against by vehicle of hydraulic driven anti-collision vehicle barrier of the present invention.
Figure 10 is bumped against the vertical view of back pin assembly by vehicle for hydraulic driven anti-collision vehicle barrier of the present invention.
Figure 11 is a look sectional drawing of anti-collision vehicle barrier of the present invention of A-A face from Fig. 9.
Figure 12 is a look view of anti-collision vehicle barrier of the present invention of the direction represented with arrow B from Fig. 9.
The specific embodiment
Shown in Fig. 2 and 3, hydraulic driven anti-collision vehicle barrier of the present invention comprises that a pin assembly 12 and is used to drive first oil cylinder 1 of pin, the piston rod of this first oil cylinder 1 and a connecting rod 14 are pivotally connected, the other end of this connecting rod and a buffer 13 are pivotally connected, the mid point of connecting rod 14 is fixedlyed connected with the main shaft assembly 11 of pin assembly 12, become rotatablely moving of pin 12 with reciprocating motion, thereby pin is moved between a horizontal level and a vertical position first oil cylinder 1; Described buffer comprises one second oil cylinder 13 " and a spring 13 '; Described car lug also comprises one near switch 10, and this installation site near switch makes its position that can detect connecting rod 14, thereby controls the reciprocating motion of piston in first oil cylinder 1, to reach the purpose of control pin motion.
As shown in Figure 5, the hydraulic system of hydraulic driven anti-collision vehicle barrier of the present invention comprises that a fuel tank 9, a motor 6 and are by this motor-driven oil pump 5, the oil-out of oil pump 5 is communicated with two branch roads, a branch road directly connects with the pressure port P of a three position four-way electromagnetic valve 7, another branch road leads to fuel tank through an overflow valve 4, the oil return opening O of three position four-way electromagnetic valve 7 also leads to fuel tank, and two working hole A of three position four-way electromagnetic valve 7 and B respectively are connected in series a hydraulic control one-way valve 3 and an one-way throttle valve 2 leads to one of two oil cylinders; With also tell another branch road in the oil circuit that first oil cylinder communicates, serial connection one two-position four-way solenoid valve 8 on this branch road, and be connected in series the oil circuit parallel connection that forms by one-way throttle valve 2 and hydraulic control one-way valve 3.
Oil piping system of the present invention is made a combination block can make hydraulically driven car stop of the present invention be more convenient for making according to shown in Figure 6.This combination block has a pressure port P and an oil return opening O, pressure port P and oil return opening lead to the pressure port and the oil return opening of described three position four-way electromagnetic valve 7 respectively through oil circuit, one overflow valve 4 is connected between pressure port oil circuit and the oil return opening oil circuit, its direction is to make superfluous hydraulic oil flow in the pressure oil circuit to oil return circuit, and two working hole A of three position four-way electromagnetic valve 7 and B respectively are connected in series a hydraulic control one-way valve 3 and an one-way throttle valve 2.
Shown in Fig. 9-12, the crashproof pin assembly 12 of hydraulic pressure anti-collision vehicle barrier of the present invention comprises a pin 1210 and a power transmission shaft 124, motor 6 by hydraulic transmission and power transmission shaft 124 drive pins 1210 in a vertical plane stand up position and horizontal level between rotate, in stand up position, open to traffic, at horizontal level, pin stops vehicle pass-through.Anti-collision vehicle barrier of the present invention also comprises anticollision device, collision-prevention device, it comprises a spiral arm 121, an one connecting shaft arm 122 and a connecting shaft piece 123, wherein connecting shaft arm 122 and connecting shaft piece 123 one, and fixedly connected with power transmission shaft 124, together rotate with this power transmission shaft, as can be seen from Figure 11, spiral arm 121 is a channel-section steel, the notch of channel-section steel is sailed next direction towards vehicle, its size is suitable for making connecting shaft arm 122 to be placed on just in the groove of this channel-section steel, from Fig. 9,10, in 12 as can be seen, spiral arm 121 and connecting shaft arm 122 at one end portion are pivotally connected by a vertical pivot 125, as can be seen from Figure 12, at this pivot pin end, the backboard of the channel-section steel of spiral arm 121 an excision part 126 is so that spiral arm 121 can be with respect to connecting shaft arm 122 around pivot 125 rotations, pin 1210 is the sleeve of a rectangular cross section, and its size is suitable for just spiral arm 121 and connecting shaft arm 122 being inserted in it.Pin 1210 suitably reduces in the intensity on a side of the direction that vehicle is sailed that is enclosed within the part on the connecting shaft arm 122 at least, reaches the degree that the pin arm of this side can be torn on this part when Vehicular impact is to pin.
After this car lug installs, when motor rotates, power transmission shaft 124 is by connecting shaft piece 123 and connecting shaft arm 122 drives pin 1210 and spiral arm 121 rotates in perpendicular, when rotating to vertical position, the clearance vehicle, backstop vehicle when rotating to horizontal level is if be subjected to the bump of vehicle, the side that pin 1210 is enclosed within the part on the connecting shaft arm 122 is torn, as shown in figure 10.At this moment, spiral arm 121 and pin 1210 no longer are subjected to the constraint of connecting shaft arm 122, rotate in horizontal plane around pivot 125.So just reduced, made the damage of car lug reduce to minimum because of Vehicular impact is delivered to power on the car lug support body.And because the above-mentioned intensity on the pin reduces part, the loss that when being subjected to Vehicular impact vehicle is caused is also very little.Since do not adopt spring structure, can be after pin is clashed into owing to bounce-back is hurted sb.'s feelings.