CN211897927U - Automatic lifting protective net for railway side slope - Google Patents

Abstract

The utility model relates to an intelligent transportation engineering technical field provides a railway side slope automatic rising protection network. This protection network includes a plurality of protection network bodies and dynamic detection device, and dynamic detection device is used for detecting the position change of stone on the slope, has buried the base underground in the track outside, and protection network body and broken stone device set up the inside at the base. This application passes through the rockfall condition of dynamic detection device real-time supervision train track slope section around, when not having detected the stone whereabouts, protection network body and broken stone device shrink in the base, avoid influencing the use of track surrounding space, increase the city simultaneously and beautify the effect, when detecting that there is the stone to roll off, the protection network body and the broken stone device of relevant position department stretch out, be used for intercepting the rockfall, avoid the rockfall to influence the normal driving of train, effectively guarantee automobile body and passenger's safety, the security is good, intelligent degree is high, and social is high.

Description

Automatic lifting protective net for railway side slope

Technical Field

The utility model relates to an intelligent transportation engineering technical field, concretely relates to railway side slope automatic rising protection network.

Background

Rockfall, i.e. a number of stones of varying sizes on a mountain or other high place, quickly rolls off from a scarp or along a slope to the ground or a depression. The falling rocks are different in scale and occur all the time, are common geological phenomena and normal states of change of landforms and landforms, and meanwhile threaten the production and life of human beings for a long time.

The train usually passes through terrains such as cliffs and the like in the running process, China mostly checks the falling rocks of the advancing train in advance, the train only has the function of removing small falling rocks in the track, and when the falling rocks are in disaster, the train can only be stopped immediately for waiting, so that the time and the labor are consumed, the efficiency is low, and the safety of a train body and passengers is not well ensured.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the utility model provides a railway side slope automatic rising protection network.

The automatic lifting protective net for the railway side slope comprises a plurality of protective net bodies and a dynamic detection device, wherein the dynamic detection device is used for detecting position changes of stones on the side slope, a base is buried at the outer side of a track, the protective net bodies are arranged inside the base, a plurality of stone breaking devices are further arranged in the base, the protective net bodies correspond to the stone breaking devices one to one, the stone breaking devices are arranged on one side, facing the side slope, of the protective net bodies, when the dynamic detection device detects that the stones fall and fall, the size of the stones is lower than a preset value, the protective net bodies stretch out of the top of the base correspondingly, and when the dynamic detection device detects that the stones fall and fall, the size of the stones is larger than or equal to the preset value, the stone breaking devices and the protective net bodies stretch out of the top of the base correspondingly.

Optionally, the base includes a plurality of base bodies that connect gradually, every this internal all is equipped with one of base the protection network body with broken stone device, every the both ends of protection network body all are equipped with the telescopic link that is used for driving its expansion or withdrawal, under the non-operating condition, the telescopic link drives the protection network body shrink is in the inside of base body, under the operating condition, the telescopic link drives the protection network body stretches out the top of base body.

Optionally, every adjacent two be equipped with a stiffener between the telescopic link, the both sides of stiffener are equipped with and are used for placing the installation cavity of telescopic link, work as when dynamic verification device detects the position of slope certain stone and changes, it is corresponding the stiffener stretches out the top of base body.

Optionally, the bottom of the base body is provided with a first telescopic piece for driving the reinforcing rod to move along the length direction of the reinforcing rod.

Optionally, the telescopic link includes sliding fit's inner tube and outer tube, the top and the bottom of protection network body respectively with the inner tube with the outer tube is connected, be equipped with in the outer tube and be used for driving the drive arrangement that the inner tube removed along its length direction.

Optionally, the driving device comprises a second telescopic member arranged at the bottom of the outer tube.

Optionally, each base body's top all is equipped with the baffle, works as when dynamic detection device detects the stone position of slope certain department and changes, corresponding the baffle is opened.

Optionally, the stone breaking device comprises a base plate arranged in the base, one side of the base plate, facing the side slope, is provided with a plurality of conical heads, and a third telescopic piece used for driving the base plate to extend out of or retract into the base is arranged in the base.

Optionally, the system further comprises a feedback unit, and when the dynamic detection device detects that the position of the stone on the slope changes, the feedback unit feeds back the position change information of the stone to the central control system.

Optionally, the dynamic detection device includes a camera device, an ultrasonic emission and reception device, and an infrared detection device.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

this application is through the rockfall condition of dynamic detection device real-time supervision train track slope section around, when not having detected the stone whereabouts, protection network body and broken stone device shrink in the base, avoid influencing the use of track surrounding space, increase the city beautify effect simultaneously, when detecting that there is the stone to roll off, the protection network body and the broken stone device of relevant position department stretch out, be used for intercepting the rockfall, avoid the rockfall to influence the normal driving of train, effectively guarantee automobile body and passenger's safety, the security is good, intelligent degree is high, social is high, and adopt protection network body interception rockfall, the ageing resistance is good, it is not fragile in the use, do not need frequent maintenance to change, can bear great variable load.

Drawings

Fig. 1 is a schematic view of an automatic lifting protective screening for intercepting falling rocks on a railway side slope according to an embodiment of the present invention;

fig. 2 is a schematic view of the protective screening body extending out of the base body according to an embodiment of the present invention;

fig. 3 is a schematic view of the protective screening body not extending out of the base body according to an embodiment of the present invention;

FIG. 4 is a schematic view of a rock breaking apparatus according to an embodiment of the present invention;

fig. 5 is a schematic view of the protective screening body inside the base body according to an embodiment of the present invention;

fig. 6 is a schematic view of the telescopic rod driving the protection net body to extend out of the base body according to an embodiment of the present invention;

FIG. 7 is a schematic view of the embodiment of the present invention in which the reinforcing rod and the telescopic rod are both extended out of the base body;

fig. 8 is a schematic view of one of the protective net bodies on both sides of the reinforcing bar extending out of the base body according to an embodiment of the present invention.

Reference numerals:

1. a base body; 2. a protective net body; 3. a stone breaking device; 31. a substrate; 32. a conical head; 33. a buffer net; 4. a telescopic rod; 41. an inner tube; 42. an outer tube; 5. a reinforcing bar; 51. a first telescoping member; 6. a baffle plate; 7. and a dynamic detection device.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are some, but not all embodiments of the invention. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Referring to fig. 1, 2 and 3, the automatic lifting protective net for a railway slope provided by the embodiment of the present application includes a plurality of protective net bodies 2 and a dynamic detection device 7, where the dynamic detection device 7 is used to detect a position change of stones on the slope. Wherein, dynamic verification device 7 can be one or more, can realize real time monitoring, can be applicable to the control work of weather such as sleet simultaneously. The dynamic detection device 7 can be arranged on a roadside building, a temporary building or a protective net body 2, and the specific arrangement position is not limited as long as the change of the position of stones on the slope can be monitored in real time.

The base is buried in the outer side of the rail. Wherein, the setting direction of base suits with the length direction of track. The adaptation of this department means that the length direction of base can be the same with the length direction of track, perhaps has certain angle between the two for the protection network body can separate track and side slope section completely when using, avoids in the implementation enters into the track, and then influences the normal travel of train. And this kind of design, when the stone rolls down the side slope, roll a section distance on comparatively gentle highway section, reduce the impact force of self. The base also can set up in the bottom of side slope section, avoids falling rocks to roll down the side slope, but, this kind of design falling rocks is great to the impact of protection network body 2, has reduced protection network body 2's life. Protection network body 2 sets up in the inside of base, still is equipped with a plurality of broken stone devices 3 in the base, protection network body 2 and broken stone device 3 one-to-one, and broken stone device 3 sets up in one side of protection network body 2 orientation side slope. Wherein, the protection network body 2 can be a plurality of, and every protection network body 2 corresponds a broken stone device 3, and broken stone device 3 sets up towards the direction of side slope for protection network body 2 can provide the holding power for broken stone device 3.

When the dynamic detection device 7 detects that the size of the rockfall is lower than a preset value, the corresponding protective net body 2 extends out of the top of the base, and when the dynamic detection device 7 detects that the size of the rockfall is larger than or equal to the preset value, the corresponding rock breaking device 3 and the protective net body 2 both extend out of the top of the base. Specifically, when the size of rockfall is less, can only intercept the rockfall through protection network body 2, and when the size of implementation is great, it is great to protection network body 2's impact, and at this moment, broken stone device 3 stretches out, and the rockfall is preferred to be contacted with broken stone device 3, and protection network body 2 plays the effect that supports broken stone device 3, plays the effect of dual buffering, increases protection network body 2's life. Or, the larger falling rocks are broken after contacting the rock breaking device 3 and then impact the protective net body 2 to be blocked by the protective net body 2, so that the blocking effect is effectively increased, the broken falling rocks are convenient for workers to clean, and the working strength of the workers is reduced. The preset value of this department is designed according to actual topography, and when the slope section is steeper, the impact degree of stone is great, and then the expected size of stone should be less, and when the slope section is more for flat gentle, the impact force of stone is less, and then the expected size of stone should be great.

This application passes through the rockfall condition of dynamic verification device 7 real-time supervision railway track slope section around, when not detecting there is the stone whereabouts, protection network body 2 and broken stone device 3 shrink in the base, avoid influencing the use in space around the track (pass the track like wild animal, perhaps workman construction etc.), increase the city simultaneously and beautify the effect. When detecting that there is stone to roll off, the protection network body 2 and the broken stone device 3 of relevant position department stretch out for intercept the rockfall, avoid the rockfall to influence the normal driving of train, guarantee that the train passes through safely smoothly, guaranteed the life safety of train and passenger, avoided a large amount of life and property loss, the security is high, and the practicality is good, and social is high, and development prospect is good, and intelligent degree is high. And adopt protection network body 2 to intercept the rockfall, the ageing resistance is good, and is not fragile in the use, does not need frequent maintenance to change, can bear great variation load. The protective net body 2 is a high-strength geotechnical net, is good in ageing resistance and corrosion resistance, is not easy to damage in the using process, does not need frequent maintenance and replacement, can bear large variable load, and can effectively block impact of various rockfalls. The adopted net structure has certain flexibility, and the damage of falling rock impact to the base is reduced while the strength is ensured to be enough.

As shown in the combined drawings of fig. 1, fig. 2 and fig. 5, the base of the present application includes a plurality of base bodies 1 connected in sequence, a protective screening body 2 and a stone breaking device 3 are arranged in each base body 1, and telescopic rods 4 used for driving the protective screening body 2 to ascend and descend are arranged at two ends of each protective screening body 2. As shown in fig. 5, in the non-working state, the telescopic rod 4 drives the protection net body 2 to contract inside the base body 1, so as to avoid affecting the use of the space around the rail. As shown in fig. 6, in a working state, the corresponding telescopic rod 4 drives the protection net body 2 to extend out of the top of the base body 1 for intercepting rockfall. This kind of design simple structure, convenient to use, and every protection network body 2 independent control, intelligent degree is high, avoids when there is the stone to roll off somewhere, and all protection network bodies 2 all stretch out base body 1, influence the use in space around the track.

In other embodiments, as shown in fig. 5 to 8, in order to increase the strength of the telescopic rods 4 and avoid the telescopic rods 4 from being broken under the action of impact force, a reinforcing rod 5 is arranged between every two adjacent telescopic rods 4, two sides of each reinforcing rod 5 are provided with mounting cavities for placing the telescopic rods 4, and when the dynamic detection device detects that the position of a stone on a slope changes, the corresponding reinforcing rod 5 extends out of the top of the base body 1. Specifically, when dynamic detection device detected the position of slope certain stone and changed, corresponding telescopic link 4 stretched out, and then made protection network body 2 stretch out base body 1's top, at this moment, was in the stiffener 5 of the 4 peripheries of telescopic link and stretched out simultaneously for stiffener 5 includes in the periphery of telescopic link 4, increased telescopic link 4's intensity. It should be noted that although the retractable rod 4 is disposed inside the reinforcing rod 5, the retractable rod 4 is directly connected to the base body 1 and is not connected to the reinforcing rod 5, so that the extension and retraction of the reinforcing rod 5 will not affect the position change of the retractable rod 4. As shown in fig. 7 and 8, when the protection net body 2 extends out of the base body 1, the telescopic rods 4 and the reinforcing rods 5 should partially extend out of the base body 1, so as to increase the strength of the telescopic rods 4 and the reinforcing rods 5.

Further optimally, a guide cylinder for accommodating the telescopic rod 4 is arranged between every two adjacent base bodies 1, the guide cylinder is used for accommodating the telescopic rod 4, and meanwhile, a guide effect can be achieved for the movement of the telescopic rod 4. The both ends of guide cylinder are respectively in two base body 1 intercommunications, and two installation cavities also are respectively in two base body 1 intercommunications, the installation of the telescopic link 4 of being convenient for and protection network body 2.

Specifically, as shown in fig. 5, in the non-use state, the telescopic rod 4 drives the protection net body 2 to contract inside the base body 1. As shown in fig. 6, when stones roll off from the dynamic detection device 7 to a certain position of the slope section, the telescopic rod 4 located below the fallen stones drives the protection net body 2 to expand, so that the protection net body 2 extends out of the top of the base body 1, and the positions of the telescopic rods 4 at other positions are unchanged, so that the protection net body 2 is in a contracted state. As shown in fig. 7 and 8, the reinforcement bar 5 corresponding thereto is extended out, so that the protection net body 2, the telescopic bar 4 and the reinforcement bar 5 are all partially extended out of the top of the base body 1 for intercepting rockfall. At this time, the expansion link 4 and the net body 2 on one side of the edge reinforcement bar 5 are extended, and the expansion link 4 and the net body 2 on the other side of the edge reinforcement bar 5 are not extended. Further, when the falling rock is large, the rock breaking device 3 is also extended.

The bottom of the base body 1 is provided with a first telescopic member 51 for driving the reinforcing rod 5 to move along the length direction thereof. Specifically, the first telescopic member 51 may be an electric push rod, a hydraulic cylinder or a pneumatic cylinder, etc., and has a simple structure, and at the same time, facilitates automatic control.

As shown in fig. 5, the telescopic rod 4 comprises an inner tube 41 and an outer tube 42 which are slidably fitted, wherein the inner tube 41 is movable relative to the outer tube 42 along the length direction thereof. The top and the bottom of the protection net body 2 are respectively connected with an inner pipe 41 and an outer pipe 42, the expansion and the retraction of the protection net body 2 are driven by the expansion and the retraction of the inner pipe 41, and a driving device for driving the inner pipe 41 to move along the length direction of the outer pipe 42 is arranged in the outer pipe 42. In particular, the drive means comprise a second telescopic member arranged at the bottom of the outer tube 42. And the second extensible member can be an electric push rod, a hydraulic cylinder or a pneumatic cylinder and the like, so that the structure is simple, and meanwhile, the automatic control is facilitated.

In order to avoid external impurities from entering the inside of the base body 1, a baffle 6 can be arranged at the top of each base body 1, and when the dynamic detection device 7 detects that the position of a stone at a certain position of the side slope changes, the corresponding baffle 6 is opened. Wherein, one side of the baffle 6 is rotatably arranged on the base body 1, and the opening and closing of the opening of the base body 1 are controlled by the rotation of the baffle 6. Specifically, can set up the motor on base body 1, the output shaft of motor sets up along base body 1's length direction, drives 6 upsets of baffle, simple structure, the control of being convenient for through the just reversal of motor.

As shown in fig. 4, the stone breaking device 3 of the present application includes a base plate 31 disposed in the base, one side of the base plate 31 facing the side slope is provided with a plurality of conical heads 32, and the plurality of conical heads 32 are disposed at intervals along the vertical direction, and the base is provided with a third telescopic member for driving the base plate 31 to extend out of or retract into the base. Further optimally, the middle part of the base plate 31 is provided with a buffer net 33, so that the stone breaking device 3 is protected to a certain extent and the impact of falling stones is reduced. Specifically, base plate 31 sets up in one side of protection network body 2, and for protection network body 2, base plate 31 sets up towards the side slope direction, is equipped with the cavity that is used for placing base plate 31 in the base body 1 for base plate 31 is kept apart with protection network body 2, avoids base plate 31 to influence the expansion and the shrink of protection network body 2. The third extensible member can be an electric push rod, a hydraulic cylinder or a pneumatic cylinder and the like, and is simple in structure and convenient to automatically control.

The automatic lifting protective screening for the railway slope further comprises a feedback unit, and when the dynamic detection device 7 detects that the position of the stones on the slope changes, the feedback unit feeds back the position change information of the stones to the central control system. The central control system is in signal communication with each control room or the control room and the train station, and when the dynamic detection device 7 detects that the position of the stone on the side slope changes, the central control system transmits the information to each control room and the train station, so that workers can know the road condition at the first time and make corresponding preparation work. The staff who receives the message early can process the scene fast, waits for the rockfall to process to finish, and protection net body 2 and broken stone device 3 are packed up, get into normal condition again.

The dynamic detection device 7 comprises a camera device, an ultrasonic transmitting and receiving device and an infrared detection device. Wherein, dynamic detection device 7 can set up at the top of stiffener 5, is convenient for detect the rockfall condition. Specifically, the camera device monitors the situation around the train track in real time by using a frame difference method, and compares the situation at the time n with the situation at the time n +1 to judge whether the falling rocks fall or not, but the method is used under the situation with certain brightness. And at night, mainly carry out real-time supervision by ultrasonic emission receiving arrangement and infrared detection device, infrared detection device not only can detect whether have falling rocks, can judge the falling rocks size moreover, when detecting that the falling rocks is great, broken stone device 3 stretches out. The method and the device have the advantages that the triple monitoring is high in safety degree and accuracy, and the safety of the train in the running process is ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. An automatic lifting protective net for a railway slope is characterized by comprising a plurality of protective net bodies and dynamic detection devices, the dynamic detection device is used for detecting the position change of stones on the side slope, a base is embedded at the outer side of the track, the protective net body is arranged inside the base, a plurality of stone breaking devices are also arranged in the base, the protective net body and the stone breaking devices are in one-to-one correspondence, and the stone breaking devices are arranged on one side of the protective net body facing the side slope, when the dynamic detection device detects that the falling rocks fall and the size of the falling rocks is lower than a preset value, the corresponding protective net body extends out of the top of the base, when the dynamic detection device detects that the falling rocks fall off in a rolling manner and the size of the falling rocks is larger than or equal to a preset value, the corresponding rock breaking device and the protective net body extend out of the top of the base.

2. The automatic lifting protective screening for railway side slopes according to claim 1, wherein the base comprises a plurality of base bodies connected in sequence, each base body is provided with one protective screening body and the stone breaking device, both ends of each protective screening body are provided with telescopic rods for driving the protective screening bodies to expand or retract, the telescopic rods drive the protective screening bodies to retract inside the base bodies in a non-working state, and the telescopic rods drive the protective screening bodies to extend out of the tops of the base bodies in a working state.

3. The automatic lifting protective screening for railway side slopes according to claim 2, wherein a reinforcing rod is arranged between every two adjacent telescopic rods, mounting cavities for placing the telescopic rods are arranged on two sides of each reinforcing rod, and when the dynamic detection device detects that the position of a stone on a side slope changes, the corresponding reinforcing rod extends out of the top of the base body.

4. The automatic lifting protective screening for railway side slopes according to claim 3, wherein a first telescopic member for driving the reinforcing rod to move along the length direction of the reinforcing rod is arranged at the bottom of the base body.

5. The automatic lifting protective screening for railway slopes according to claim 3, wherein the telescopic rod comprises an inner tube and an outer tube which are in sliding fit, the top and the bottom of the protective screening body are respectively connected with the inner tube and the outer tube, and a driving device for driving the inner tube to move along the length direction of the inner tube is arranged in the outer tube.

6. The automatic lifting protective screening for railway side slopes according to claim 5, wherein the driving device comprises a second telescopic member arranged at the bottom of the outer pipe.

7. The automatic lifting protective screening for railway side slopes according to claim 2, wherein a baffle is arranged at the top of each base body, and when the dynamic detection device detects that the position of a stone at a certain position of a side slope changes, the corresponding baffle is opened.

8. The automatic lifting protective screening for railway side slopes according to claim 1, wherein the stone breaking device comprises a base plate disposed in the base, a plurality of conical heads are disposed on one side of the base plate facing the side slopes, and a third telescopic member for driving the base plate to extend out of or retract into the base is disposed in the base.

9. The automatic lifting protective screening for railway slopes according to claim 1, further comprising a feedback unit, wherein when the dynamic detection device detects that the position of a stone on the slope changes, the feedback unit feeds back the position change information of the stone to the central control system.

10. The automatic lifting protective screening for railway side slopes according to claim 1, wherein the dynamic detection device comprises a camera device, an ultrasonic emission and reception device and an infrared detection device.

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