CN113799841B - Rail train anti-creeper and rail train - Google Patents
Rail train anti-creeper and rail train Download PDFInfo
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- CN113799841B CN113799841B CN202111222346.2A CN202111222346A CN113799841B CN 113799841 B CN113799841 B CN 113799841B CN 202111222346 A CN202111222346 A CN 202111222346A CN 113799841 B CN113799841 B CN 113799841B
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- creeper
- energy
- absorbing
- rail train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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Abstract
The invention provides a rail train anti-creeper and a rail train. The rail train anti-creeper comprises an anti-creeper body, wherein an opening is formed at one end of the anti-creeper body, and a cavity communicated with the opening is formed inside the anti-creeper body; the energy absorption part is arranged in the cavity and can extend out relative to the anti-creeper body; the triggering mechanism is arranged in the anti-creeper body and is positioned at the rear end of the energy absorption part, and the triggering mechanism is suitable for triggering the energy absorption part to pop out of the anti-creeper body; the stop piece is arranged on the outer side wall of the anti-creeper body; the energy-absorbing part has a first position and a second position relative to the anti-creeper body, and in the first position, the energy-absorbing part is at least partially located in the anti-creeper body, and in the second position, the energy-absorbing part extends out of the anti-creeper body and is locked at the second position through the stop piece. The structure can break through the limitation of the installation and deformation space of the front-end energy absorption device of the vehicle body, and greatly improve the energy absorption performance of the vehicle.
Description
Technical Field
The invention relates to the technical field of rail train safety, in particular to a rail train anti-creeper and a rail train.
Background
With the continuous strengthening of the urbanization process, the intensity of urban rail transit passenger flow is continuously increased, the departure interval is continuously compressed, and the safety and reliability of the running vehicle are the first problems concerned by production and operation units and the public. The active safety protection measures of urban rail vehicles are further enhanced, the occurrence of collision accidents is reduced, meanwhile, from the perspective of passive safety protection, how to improve the collision resistance of rail trains is researched, and the safety of drivers and passengers is protected as far as possible, which is a hot problem in the research and development of current rail trains.
The energy absorption device at the front end of the vehicle body has limited installation and deformation space in the operation process due to the structural characteristics, the connection requirement and the curve passing capacity of the urban rail vehicle, so that the energy absorption of the whole vehicle is low.
Disclosure of Invention
The invention provides an anticreeper for a rail train, which can break through the limitation of the installation and deformation space of an energy absorption device at the front end of a train body and greatly improve the energy absorption performance of the train.
The invention further provides a rail train.
An embodiment of one aspect of the present invention provides a rail train anti-creeper, including:
the anti-creeper comprises an anti-creeper body, a plurality of anti-creeper bodies and a plurality of connecting rods, wherein one end of the anti-creeper body is provided with an opening, and a cavity communicated with the opening is formed inside the anti-creeper body;
the energy absorption part is arranged in the cavity and can extend out relative to the anti-creeper body;
the triggering mechanism is arranged in the anti-creeper body and is positioned at the rear end of the energy absorption part, and the triggering mechanism is suitable for triggering the energy absorption part to pop out of the anti-creeper body;
the stop piece is arranged on the outer side wall of the anti-creeper body;
the energy-absorbing part is provided with a first position and a second position relative to the anti-creeper body, the energy-absorbing part is at least partially positioned in the anti-creeper body at the first position, and the energy-absorbing part extends out of the anti-creeper body and is locked at the second position through the stop piece.
According to an embodiment of the invention, the trigger mechanism comprises a quick-release device comprising a storage housing and a shaped mass arranged inside the storage housing, the rear end of the energy-absorbing part being in close proximity or in contact with the storage housing in the first position.
According to an embodiment of the invention, the triggering mechanism further comprises a battery cell located in the storage housing, the battery cell being adapted to trigger the shaped mass in the storage housing to release energy upon receiving an ejection signal to rapidly eject the energy absorbing portion.
According to one embodiment of the invention, the energy absorbing portion comprises:
the cylinder body is fixed in the anti-creeper body;
one end of the guide beam extends into the cylinder body, and a piston hermetically connected with the cylinder body is arranged at the end part of the guide beam;
and the energy-absorbing beam is positioned outside the cylinder body and fixedly sleeved at the other end of the guide beam, and the outer peripheral surface of the energy-absorbing beam is matched with the inner peripheral surface of the anti-creeper body.
According to one embodiment of the invention, the rear end of the energy-absorbing beam is provided with a base fixed on the guide beam, the front end of the energy-absorbing beam is provided with an end cover fixedly connected with the guide beam, and the end cover is provided with anti-climbing teeth.
According to one embodiment of the invention, the energy absorbing portion comprises:
one end of the guide beam extends into the anti-creeper body, and a piston hermetically connected with the inner wall of the anti-creeper body is arranged at the end part of the guide beam;
the energy absorption beam is fixedly sleeved outside the guide beam and fixedly connected with the piston, and the outer peripheral surface of the energy absorption beam is matched with the inner peripheral surface of the anti-creeper body.
According to one embodiment of the invention, the rear end of the energy-absorbing beam is provided with a base fixed on the guide beam, the front end of the energy-absorbing beam is provided with an end cover fixedly connected with the guide beam, and the end cover is provided with anti-climbing teeth.
According to one embodiment of the invention, the anti-creeper body is square, and the energy-absorbing beam is square matching the anti-creeper body.
According to one embodiment of the invention, the anti-creeper body is circular, and the energy-absorbing beam is circular to match the anti-creeper body.
According to one embodiment of the invention, a limiting inhaul cable is connected between the rear end of the anti-creeper body and the energy-absorbing part, and the length of the limiting inhaul cable enables the maximum length of the energy-absorbing part extending out of the anti-creeper body to be at the second position.
According to one embodiment of the invention, the stop piece comprises a pressure plate, a stop block, a pressure spring and an elastic steel sheet, one end of the pressure plate is fixedly arranged on the outer side wall of the anti-creeper body close to the opening end of the anti-creeper body, the other end of the stop block is connected with the stop block through the pressure spring, and the elastic steel sheet is bridged between the outer side wall of the anti-creeper body and the stop block; the outer side wall of the energy-absorbing beam, which is close to the base, is provided with stop grooves corresponding to the stop blocks one to one, and the anti-creeper body is further provided with an opening for accommodating the stop blocks.
According to one embodiment of the invention, the stop piece comprises a stop block, at least one mounting groove is formed in the peripheral surface of the base of the energy-absorbing beam, the stop block is mounted in the mounting groove through an elastic piece, limiting grooves which correspond to the stop block in a one-to-one mode and are recessed outwards are formed in the inner side wall of the anti-creeper body, and the limiting grooves are formed in the opening end of the anti-creeper body.
In another aspect, the embodiment of the invention further provides a rail train, which is provided with the rail train anti-creeper, and the anti-creeper is installed below the train head of the rail train.
According to the rail train anti-creeper provided by the embodiment of the invention, the triggering mechanism is arranged at the rear end of the energy absorption part, the stop piece is arranged outside the anti-creeper body, and when the anti-creeper receives the pop-up signal, the triggering mechanism triggers the energy absorption part to pop up and is locked at a specific position through the stop piece, so that the energy absorption stroke of the anti-creeper is increased. The problem of current energy-absorbing device at automobile body front end's installation and deformation space are limited to lead to whole car to absorb energy lower is solved, under the condition that does not change vehicle head-shaped structural feature, even hang requirement and curve throughput requirement, break through the restriction of automobile body front end energy-absorbing device's installation and deformation space, promote vehicle energy-absorbing performance by a wide margin.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rail train anti-creeper provided in an embodiment of the present invention in a retracted state;
FIG. 2 is a schematic structural diagram of a rail train anti-creeper provided by an embodiment of the present invention in an extended state;
FIG. 3 is an axial cross-sectional schematic view of a rail train anti-creeper of one embodiment of the present invention showing a stop configuration;
FIG. 4 is an axial cross-sectional schematic view of a rail train creeper of one embodiment of the present invention showing another stop configuration;
fig. 5 is an axial cross-sectional schematic view of a rail train creeper of another embodiment of the present invention showing the stopper structure of fig. 4.
Reference numerals:
10. an anti-creeper; 11. an anticreeper body; 111. a limiting groove; 12. an energy absorbing portion; 121. an energy absorbing beam; 122. a guide beam; 123. a piston; 124. a steel plate; 13. a stopper; 131. pressing a plate; 132. a pressure spring; 133. a stop block; 134. an elastic steel sheet; 135. a compression spring; 14. a quick ejection device; 15. a cylinder body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first aspect, as shown in fig. 1 to 5, an embodiment of the present invention provides an anti-creeper (called an anti-creeper 10 for short) for a rail train. Mainly comprises the following structures:
the anti-creeper body 11, the energy absorbing portion 12, the trigger mechanism, and the stopper 13. Specifically, the anticreeper body 11 has an opening formed at one end thereof and a cavity formed therein to communicate with the opening. It is to be understood that, in terms of the orientation in which the anticreeper 10 is installed on the rail train, the open end is the front end of the anticreeper body 11, and the end in which the anticreeper 10 is installed on the rail train is the rear end, where "front" and "rear" are defined in terms of the direction in which the rail train travels, and the direction in which the rail train travels is "front" and "rear" otherwise. The cavity of the anti-creeper body 11 is opened along the axial direction of the anti-creeper body 11.
In this embodiment, one end of the energy absorbing portion 12 is disposed in the cavity, the other end of the energy absorbing portion 12 is located outside the cavity, one end of the energy absorbing portion 12 located in the cavity can axially slide relative to the cavity, and when the anti-creeper receives the pop-up signal, the energy absorbing portion 12 can pop out relative to the anti-creeper body 11; when the energy absorbing part 12 is not ejected, one end of the energy absorbing part 12 positioned in the cavity is locked in the cavity; the specific locking manner will be described in detail below.
In this embodiment, the triggering mechanism is disposed in the anti-creeper body 11 and located at the rear end of the energy absorbing portion 12, and the triggering mechanism is adapted to trigger the energy absorbing portion 12 to pop out the anti-creeper body 11 when receiving a pop-up signal.
In this embodiment, the stop member 13 is provided on the outer side wall of the anticreeper body 11, and specifically, the stop member 13 is provided on the outer side wall of the anticreeper body 11 near the opening end.
In the present embodiment, the energy-absorbing portion 12 has a first position and a second position with respect to the body 11 of the climbing arrester, as shown in fig. 1, in the first position, the energy-absorbing portion 12 is at least partially located inside the body 11 of the climbing arrester, that is, the energy-absorbing portion 12 is in a contracted state; as shown in fig. 2, in the second position, the energy absorbing portion 12 extends out of the body 11 and is locked by the stopper 13 in the second position, i.e., the energy absorbing portion 12 is in the extended state.
As shown in fig. 3 to 5, in the present embodiment, the trigger mechanism is provided at the rear end of the energy absorbing portion 12, and the stopper 13 is provided outside the anti-creeper body 11, so that when the anti-creeper receives an ejection signal, the trigger mechanism triggers the energy absorbing portion 12 to eject and lock at a specific position through the stopper 13, thereby increasing the energy absorbing stroke of the anti-creeper. The problem of current energy-absorbing device at automobile body front end's installation and deformation space limited to lead to whole car energy-absorbing lower is solved, under the condition that does not change vehicle head-shaped structural feature, even string requirement and curve throughput requirement, break through the restriction of automobile body front end energy-absorbing device's installation and deformation space, promote vehicle energy-absorbing performance by a wide margin.
According to an embodiment of the invention, the triggering mechanism comprises a quick ejecting device 14, the quick ejecting device 14 comprises a storage shell and an energy gathering object arranged in the storage shell, the storage shell is fixedly arranged on the rear end cover in the anti-creeper body 11, the storage shell can be shaped like a box or a bowl, the specific shape is not limited, the storage shell has a small volume and occupies a small space, and does not occupy the installation space of the energy absorbing part 12, the storage shell can be fixed on the rear end cover in the anti-creeper body 11 through bonding, fastener connection and the like, the specific installation mode is not limited too much, and the storage shell can be arranged on the rear end cover in the anti-creeper body 11. In the first position, the rear end of the energy absorption part 12 is close to or in contact with the storage housing, so that the generated thrust can be applied to the energy absorption part 12 as completely as possible after triggering of the shaped bodies in the storage housing, thereby improving the energy utilization rate.
Specifically, a small amount of energy gathering materials are placed in the storage shell, and according to the needed thrust, the more needed thrust is, the more energy gathering materials are placed. In particular, the shaped mass may be a burster capable of releasing energy under the action of an electric spark.
The embodiment provides a smaller thrust force than a screw rod, a hydraulic structure and the like through the quick ejection device 14, is light in weight, and can provide enough thrust force when occupying a smaller space.
In order to be able to trigger the shaped mass, according to one embodiment of the invention, the triggering mechanism further comprises a cell located within the storage housing, which cell is adapted to trigger the shaped mass within the storage housing to release energy upon receiving an ejection signal, in order to quickly eject the energy absorption portion 12. Electric core and rail train's control module signal connection, when the detection module at rail train detected the place ahead barrier and need the anticreeper to pop out, at first detection module sends the signal and gives control module, and control module sends the pop-up signal and gives electric core, triggers electric core and produces electric spark and make the energy gathering thing release energy to produce required thrust in the twinkling of an eye, release energy-absorbing portion 12.
The energy absorbing portion 12 of the present embodiment includes two structures, as shown in fig. 3 and 4, the first structure is for the anti-creeper body 11 to be a square structure, as shown in fig. 5, and the second structure is for the anti-creeper body 11 to be a round structure.
For the first configuration, energy-absorbing portion 12 includes:
the cylinder body 15 is fixed in the anticreeper body 11, specifically, the rear end of cylinder body 15 and the rear end fixed connection of anticreeper body 11, and cylinder body 15 sets up along the axial of anticreeper body 11.
The guide beam 122 is columnar, one end of the guide beam 122 extends into the cylinder body 15, the end part of the guide beam is provided with a piston 123 hermetically connected with the cylinder body 15, in order to ensure the sealing effect, a circle of groove can be arranged on the periphery of the piston 123, a sealing ring is arranged in the groove, and the sealing ring is attached to the inner wall of the cylinder body 15; to increase the rigidity of the piston 123, a steel plate 124 may be provided at one side of the piston 123.
The energy-absorbing beam 121 is tubular and is located outside the cylinder body 15 and fixedly sleeved at the other end of the guide beam 122, the outer peripheral surface of the energy-absorbing beam 121 is matched with the inner peripheral surface of the anti-creeper body 11, namely, the shape of the energy-absorbing beam 121 is also square, and in order to improve the guiding effect on the energy-absorbing beam 121, balls can be arranged on the inner side wall of the anti-creeper body 11 and lean against the outer side wall of the energy-absorbing beam 121. In this embodiment, the cylinder 15 is provided to facilitate the installation and guidance of the guide beam 122, and in this structure, there is no strict requirement for the shape of the anticreeper body 11, and the casing of the anticreeper body 11 may be provided with lightening holes.
In order to facilitate the fixing of the energy-absorbing beam 121 and the guide beam 122, according to an embodiment of the present invention, a base fixed to the guide beam 122 is disposed at the rear end of the energy-absorbing beam 121, the base is in a square shape, an end cap fixedly connected to the guide beam 122 is disposed at the front end of the energy-absorbing beam 121, and anti-climbing teeth are formed on the end cap, so that when two trains of rail trains collide, an anti-climbing effect can be achieved.
In the second structure, the crawler body 11 corresponds to the cylinder 15, and the energy absorbing portion 12 includes:
one end of the guide beam 122 extends into the anti-creeper body 11, the end part of the guide beam is provided with a piston 123 which is in sealing connection with the inner wall of the anti-creeper body 11, similarly, in order to ensure the sealing effect, a circle of grooves can be arranged on the periphery of the piston 123, sealing rings are arranged in the grooves, and the sealing rings are attached to the inner wall of the anti-creeper body 11; to increase the rigidity of the piston 123, a steel plate 124 may be provided at one side of the piston 123.
The energy-absorbing beam 121 is fixedly sleeved outside the guide beam 122 and fixedly connected with the piston 123, the outer peripheral surface of the energy-absorbing beam 121 is matched with the inner peripheral surface of the anti-creeper body 11, namely, the shape of the energy-absorbing beam 121 is also circular, and in order to improve the guiding effect on the energy-absorbing beam 121, balls can be arranged on the inner side wall of the anti-creeper body 11 and lean against the outer side wall of the energy-absorbing beam 121. With this structure, the crawler body 11 serves as the cylinder 15, and the structure is simpler, but the airtightness of the crawler body 11 is required to be able to meet the use requirement.
According to an embodiment of the present invention, the rear end of the energy-absorbing beam 121 is provided with a base fixed to the guide beam 122, the base is in a disc shape, the front end of the energy-absorbing beam 121 is provided with an end cap fixedly connected to the guide beam 122, and the end cap is formed with anti-climbing teeth, so that the anti-climbing function can be provided when two trains of rail trains collide.
In order to ensure that the energy absorbing part 12 does not fall off the anti-creeper body 11 when extending out of the anti-creeper body 11, according to an embodiment of the present invention, a limiting cable is connected between the rear end of the anti-creeper body 11 and the energy absorbing part 12, the limiting cable may be a steel wire rope, when the energy absorbing part 12 does not extend out, the steel wire rope is in a soft state (i.e., a non-straightened state), and the length of the limiting cable needs to ensure that when the limiting cable is straightened, the maximum length of the energy absorbing part 12 extending out of the anti-creeper body 11 is in a second position, i.e., when the limiting cable is straightened, the energy absorbing part 12 is just in an extending state.
For the structure in which the anti-creeper body 11 is square, according to one embodiment of the present invention, the stoppers 13 are respectively provided on at least two planes of the anti-creeper body 11, and in the case where only two stoppers 13 are provided, the two stoppers 13 are oppositely provided, that is, on two opposite planes of the anti-creeper body 11.
Specifically, the stop part 13 includes a pressing plate 131, a stop block 133, a compression spring 132 and an elastic steel sheet 134, the pressing plate 131 is of an L-shape, one end of a short side of the L-shape is fixedly mounted on an outer side wall of the anti-creeper body 11 close to an open end thereof, a long side of the L-shape extends horizontally, the other end of the pressing plate 131 (a lower end of the long side of the L-shape) is connected with the stop block 133 through the compression spring 132, the elastic steel sheet 134 is bridged between the outer side wall of the anti-creeper body 11 and the stop block 133, the elastic steel sheet 134 is similar to a hinge structure, one side of the elastic steel sheet is connected with the outer side wall of the anti-creeper body 11, one side of the elastic steel sheet 134 is connected with an upper surface of the stop block 133, and a positioning effect on the stop block 133 can be achieved through the elastic steel sheet 134. The outer side wall of the energy-absorbing beam 121 close to the base is provided with a stopping groove corresponding to the stopping block 133 one to one, the anti-creeper body 11 is further provided with an opening for accommodating the stopping block 133, the stopping block 133 is pressed on the outer wall surface of the energy-absorbing beam 121 from the opening through the pressure spring 132, the stopping block 133 is in a horizontal state, and the elastic steel sheet 134 is also in a horizontal state. When the energy-absorbing beam 121 extends out of the anti-creeper body 11 under the action of the explosion thrust, when the energy-absorbing beam 121 moves to the position where the stopping groove is just below the stopping block 133, the stopping block 133 inclines under the action of the pressure spring 132 and is clamped into the stopping groove, so that the energy-absorbing beam 121 is locked at the second position, at the moment, the elastic steel sheet 134 bends and deforms to adapt to the inclination angle of the stopping block 133 and positions the stopping block 133 at the angle, and the stability of the stopping block 133 is improved.
For the structure that the anti-creeper body 11 is square or round, according to one embodiment of the present invention, the stopper 13 includes a stopper 133, the outer peripheral surface of the base of the energy-absorbing beam 121 is provided with at least one mounting groove, the stopper 133 is mounted in the mounting groove through an elastic member such as a compression spring 135, the stopper 133 abuts against the inner side wall of the anti-creeper body 11, the inner side wall of the anti-creeper body 11 is provided with a limiting groove 111 which is one-to-one corresponding to the stopper 133 and is recessed outward, the limiting groove 111 is provided at the open end of the anti-creeper body 11, when the energy-absorbing beam 121 extends out of the anti-creeper body 11 under the action of an explosive thrust, when the energy-absorbing beam 121 moves to the stopper 133 and faces the limiting groove 111, the stopper 133 is clamped into the limiting groove 111 under the action of the compression spring 135, so as to lock the energy-absorbing beam 121 at the second position.
The implementation process of one embodiment of the invention is as follows:
(1) The quick eject device 14 is triggered
After the anti-creeper receives the ejection instruction, the quick ejection device 14 is triggered to generate thrust.
(2) Energy absorbing beam 121 is extended
The piston 123 slides along the inside of the cylinder 15 under the thrust generated by the quick ejection device 14, and the energy absorption beam 121 extends out of the anti-creeper body 11 under the push of the piston 123 and the guide beam 122.
(3) Stop dog
(1) Stopper 133 inclines stopper
After the energy absorption beam 121 extends for a certain length, the extension action is stopped under the action of the steel wire rope, the stop block 133 is inclined inwards under the action of the elastic steel sheet 134 and the pressure spring 132, and the vertical surface of the stop block 133 just props against the stop groove at the base of the energy absorption beam 121 through controlling the inclined angle, so that the energy absorption beam 121 is stopped.
(2) The stop block 133 pops out the stop
After the energy-absorbing beam 121 extends for a certain length, the extending action is stopped under the action of the steel wire rope, the stop block 133 pops out from the mounting groove of the base of the energy-absorbing beam 121 under the action of the compression spring 135, and half of the popped stop block 133 extends into the limiting groove 111 to stop the energy-absorbing beam 121.
(4) Anti-creeper conquassation energy-absorbing
The energy-absorbing beam 121 of the anti-creeper in the extending state is gradually crushed and absorbed under the action of impact force generated by collision.
In a second aspect, an embodiment of the present invention further provides a rail train, which is provided with the rail train anti-creeper, where the anti-creeper is installed below a head of the rail train. The limit of the installation and deformation space of the energy absorption device at the front end of the train body is broken through without changing the head-shaped structural characteristics, the coupling requirement and the curve passing capacity requirement of the rail train, and the energy absorption performance of the train is greatly improved.
Finally, it should be noted that: the above examples are only intended 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 of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A rail train anti-creeper, comprising:
the anti-creeper comprises an anti-creeper body, a plurality of anti-creeper bodies and a plurality of connecting rods, wherein one end of the anti-creeper body is provided with an opening, and a cavity communicated with the opening is formed inside the anti-creeper body;
the energy absorption part is arranged in the cavity and can extend out relative to the anti-creeper body;
the trigger mechanism is arranged in the anti-creeper body and positioned at the rear end of the energy absorption part, the trigger mechanism is suitable for triggering the energy absorption part to pop out the anti-creeper body, the trigger mechanism comprises a quick popping device, and the quick popping device comprises a storage shell, and energy-gathering objects and a battery cell which are arranged in the storage shell;
the stop piece is arranged on the outer side wall of the anti-creeper body;
the energy-absorbing part is provided with a first position and a second position relative to the anti-creeper body, the energy-absorbing part is at least partially positioned in the anti-creeper body at the first position, and the energy-absorbing part extends out of the anti-creeper body and is locked at the second position through the stop piece at the second position; in the first position, the rear end of the energy absorbing portion is proximate to or in contact with the storage shell; the battery core is suitable for triggering the energy-gathering substance in the storage shell to release energy when receiving an ejection signal so as to quickly push out the energy-absorbing part; the electric core is in signal connection with the control module of the rail train, when the detection module of the rail train detects that the front obstacle needs to be popped up by the anti-creeper, the detection module firstly sends a signal to the control module, the control module sends a pop-up signal to the electric core, and the electric core is triggered to generate electric sparks so that the energy-gathered objects release energy, so that required thrust is generated instantly, and the energy absorption part is pushed out.
2. The rail train anti-creeper of claim 1, wherein the energy absorption portion includes:
the cylinder body is fixed in the anti-creeper body;
one end of the guide beam extends into the cylinder body, and a piston hermetically connected with the cylinder body is arranged at the end part of the guide beam;
and the energy-absorbing beam is positioned outside the cylinder body and fixedly sleeved at the other end of the guide beam, and the outer peripheral surface of the energy-absorbing beam is matched with the inner peripheral surface of the anti-creeper body.
3. The rail train anti-creeper according to claim 2, wherein a base fixed to the guide beam is arranged at the rear end of the energy-absorbing beam, an end cover fixedly connected with the guide beam is arranged at the front end of the energy-absorbing beam, and anti-climbing teeth are formed on the end cover.
4. The rail train anti-creeper of claim 1, wherein the energy absorption portion comprises:
one end of the guide beam extends into the anti-creeper body, and a piston hermetically connected with the inner wall of the anti-creeper body is arranged at the end part of the guide beam;
the energy absorption beam is fixedly sleeved outside the guide beam and fixedly connected with the piston, and the outer peripheral surface of the energy absorption beam is matched with the inner peripheral surface of the anti-creeper body.
5. The rail train anti-creeper according to claim 4, wherein a base fixed to the guide beam is arranged at the rear end of the energy-absorbing beam, an end cover fixedly connected with the guide beam is arranged at the front end of the energy-absorbing beam, and anti-climbing teeth are formed on the end cover.
6. The rail train anti-creeper of claim 3, wherein the anti-creeper body is square, and the energy-absorbing beam is square to match the anti-creeper body.
7. The rail train anti-creeper of claim 5, wherein the anti-creeper body is circular and the energy absorbing beam is circular to match the anti-creeper body.
8. The rail train anti-creeper according to any one of claims 1 to 7, wherein a limiting cable is connected between the rear end of the anti-creeper body and the energy-absorbing portion, and the length of the limiting cable is such that the maximum length of the energy-absorbing portion extending out of the anti-creeper body is in the second position.
9. The rail train anti-creeper according to claim 6, wherein the stop member comprises a pressing plate, a stop block, a pressure spring and an elastic steel sheet, one end of the pressing plate is fixedly installed on the outer side wall of the anti-creeper body close to the opening end of the anti-creeper body, the other end of the stop block is connected with the stop block through the pressure spring, and the elastic steel sheet is bridged between the outer side wall of the anti-creeper body and the stop block; the outer side wall of the energy-absorbing beam, which is close to the base, is provided with stop grooves corresponding to the stop blocks one to one, and the anti-creeper body is further provided with an opening for accommodating the stop blocks.
10. The rail train anti-creeper according to claim 6 or 7, wherein the stop member comprises a stop block, at least one mounting groove is formed in the outer peripheral surface of the base of the energy-absorbing beam, the stop block is mounted in the mounting groove through an elastic member, a limiting groove which is in one-to-one correspondence with the stop block and is recessed outwards is formed in the inner side wall of the anti-creeper body, and the limiting groove is formed in the open end of the anti-creeper body.
11. A rail train, characterized in that rail train anti-creepers according to any one of claims 1-10 are provided, which are mounted below the nose of the rail train.
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| CN115027523B (en) * | 2022-06-02 | 2023-07-11 | 中车株洲电力机车有限公司 | Active protection multistage energy absorption device and energy absorption method |
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| CN2294882Y (en) * | 1997-04-18 | 1998-10-21 | 刘臣 | Pushing-out type fender-guard device |
| CN100569561C (en) * | 2008-06-13 | 2009-12-16 | 韦良东 | A kind of automobile collision active protection buffer device |
| CN201989738U (en) * | 2009-06-03 | 2011-09-28 | 长沙立中汽车设计开发有限公司 | Collision-buffering energy absorbing device of pneumatic flexible automobile |
| CN104085366B (en) * | 2014-06-26 | 2016-03-30 | 华侨大学 | Auto against adaptive multistage crash energy absorption equipment and control method thereof |
| CN105292164B (en) * | 2015-10-16 | 2017-11-14 | 中南大学 | Telescopic rail energy-absorbing device for vehicle collision |
| CN106364520B (en) * | 2016-09-28 | 2018-04-13 | 中南大学 | A kind of train collision means of defence and system |
| CN206569033U (en) * | 2017-03-28 | 2017-10-20 | 邢李佺 | A kind of formula car collision energy absorbing device |
| CN108706018B (en) * | 2018-05-24 | 2019-06-11 | 中车株洲电力机车有限公司 | Rail vehicle and its collision energy-absorbing system |
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