Wheel blocking device for preventing train from sliding

Abstract

The wheel blocking device for preventing the train from sliding comprises a base, a blocking piece and a driving piece, the blocking piece comprises a mounting part and a swinging part, the mounting part is rotationally connected to the base around a first axis, the swinging part is rotationally connected to the mounting part around a second axis parallel to the first axis, and the swinging part is provided with an abutting part used for abutting against a wheel; the driving piece is arranged between the swing part and the base so as to drive the swing part to rotate relative to the mounting part, and the swing part can drive the mounting part to rotate relative to the base after rotating by a preset angle. According to the wheel blocking device for preventing the train from sliding, when the wheel blocking device needs to be separated from the wheel, the resistance borne by the blocking piece can be greatly reduced, overturning is more convenient, the driving force needed by the driving piece is smaller, damage is not likely to happen, and the service life is longer.

Description

Technical Field

[0001] The invention relates to the technical field of train blocking equipment, and in particular to a wheel blocking device for preventing a train from slipping. Background Art

[0002] After a rail train is parked, a car blocker is set near the track to prevent the train carriage from slipping due to inertia and track inclination. In the related art, the car blocker includes a base, a blocking member and a driving member. The blocking member is rotatably connected to the base, and the driving member is arranged between the blocking member and the base. When the car needs to be prevented from slipping after parking, the driving member drives the blocking member to rotate so that the abutting position of the top of the blocking member is located above the track and abuts the front side of the wheel. When not working, the blocking member is rotated to be located outside the track as a whole and separated from the wheel.

[0003] When not working, in order to make the blocking member be located outside the track as a whole, the connection position between the blocking member and the base needs to be located outside the track. Then, when the blocking member rotates to the abutting position at its top end and is located above the track to abut the wheel, the blocking member is in a tilted state as a whole. Moreover, since the wheel is relatively large, the blocking member abuts against the lower end of the front side of the wheel. In this way, when the blocking member needs to be driven to separate from the wheel, the blocking member first flips up a certain angle and then flips down. When the blocking member flips up, in addition to overcoming the friction between the wheel and the blocking member, it also needs to overcome the downward pressure exerted by the gravity of the train. It is difficult to flip, and the driving force required for the driving member is large, and the car blocker is easily damaged. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a wheel blocking device for preventing a train from slipping, which can greatly reduce the resistance of the blocking member when it needs to be separated from the wheel, is more convenient to flip, requires less driving force for the driving member, is less prone to damage, and has a longer service life.

[0005] According to an embodiment of the present invention, a wheel blocking device for preventing a train from slipping comprises a base, a blocking member and a driving member, wherein the blocking member comprises a mounting portion and a swinging portion, wherein the mounting portion is rotatably connected to the base around a first axis, and the swinging portion is rotatably connected to the mounting portion around a second axis parallel to the first axis, and the swinging portion is provided with an abutting portion for abutting the wheel, and the driving member is arranged between the swinging portion and the base to drive the swinging portion to rotate relative to the mounting portion, and the swinging portion can drive the mounting portion to rotate relative to the base after rotating by a preset angle; wherein, when the swinging portion flips upward so that the abutting portion is located directly above the second axis, and drives the mounting portion to rotate so that the abutting portion is located on one side of the vertical plane where the first axis is located, the blocking member is in a first state where the abutting portion can abut the wheel; when the swinging portion flips downward by the preset angle and drives the mounting portion to rotate, the blocking member is in a second state where the abutting portion is separated from the wheel.

[0006] The wheel blocking device for preventing a train from slipping according to an embodiment of the present invention has at least the following beneficial effects:

[0007] The base can be installed near the track. When the vehicle needs to be prevented from slipping after parking, the driving member is started, and the driving member drives the swinging part to flip upward. After the swinging part flips by a preset angle, it drives the mounting part to flip. When it flips so that the abutting part is directly above the second axis of the swinging part and is located on the side of the vertical plane where the first axis of the mounting part is located close to the track, the abutting part can be located above the track, so that it can abut the front side of the wheel to prevent the vehicle from slipping. When the train needs to move, the driving member drives the swinging part to flip downward by a preset angle, and the swinging part can be separated from the wheel. Thereafter, the swinging part drives the mounting part to rotate so that the blocking member as a whole is located on the outside of the track. Compared with the blocking member in the prior art which is an integral structure, the blocking member of the wheel blocking device for preventing train slipping of the present invention includes a rotatably connected mounting portion and a swinging portion, and the abutting portion is arranged on the swinging portion. The rotation of the mounting portion and the swinging portion can make the abutting portion be located above the track to facilitate abutting the wheel, and the abutting portion is located directly above the second axis of the swinging portion when abutting the wheel. When the train needs to move, the swinging portion can be separated from the wheel by flipping downward by a preset angle. Since the swinging portion is flipped downward, the blocking member does not need to overcome the downward pressure applied by the gravity of the train, the resistance encountered by the blocking member is greatly reduced, the flipping is more convenient, the driving force required for the driving member is smaller, the wheel blocking device is less likely to be damaged, and the service life is longer.

[0008] According to some embodiments of the present invention, an abutting surface is formed at one end of the mounting portion away from the base, and the swinging portion abuts against the abutting surface after rotating the preset angle to drive the mounting portion to rotate.

[0009] According to some embodiments of the present invention, the driving member includes a connecting rod mechanism and a telescopic member, wherein two ends of the connecting rod mechanism are respectively rotatably connected to the swinging part and the base, and two ends of the telescopic member are respectively rotatably connected to the connecting rod mechanism and the base; wherein when the telescopic member is extended or retracted, the swinging part can be driven to rotate through the connecting rod mechanism.

[0010] According to some embodiments of the present invention, when the blocking member is in the first state, the connecting rod mechanism is in a dead point position.

[0011] According to some embodiments of the present invention, the connecting rod mechanism includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are rotatably connected at one end close to each other, the other end of the first connecting rod is rotatably connected to the swinging part, the other end of the second connecting rod is rotatably connected to the base, the telescopic member is rotatably connected to the second connecting rod, and when the blocking member is in the first state, the first connecting rod and the second connecting rod form an angle of 180° and are in the dead point position.

[0012] According to some embodiments of the present invention, the second connecting rod is provided with a limiting portion, and when the blocking member is in the second state, the bottom surface of the first connecting rod abuts against the top surface of the limiting portion, and the end of the second connecting rod close to the base is lower than the end of the second connecting rod close to the first connecting rod.

[0013] According to some embodiments of the present invention, the second connecting rod is provided with a first connecting shaft, one end of the telescopic member is rotatably sleeved on the first connecting shaft, and one end of the first connecting shaft forms the limiting portion.

[0014] According to some embodiments of the present invention, the abutting portion is slidably mounted on the swinging portion, a sliding direction of the abutting portion is parallel to the first axis, and an elastic buffer portion is provided between the abutting portion and the swinging portion.

[0015] According to some embodiments of the present invention, the length direction of the abutment portion is parallel to the first axis, an abutment head is provided at one end of the abutment portion, the swing portion is provided with an installation cavity, the elastic buffer portion is configured as a coil spring, the coil spring is installed in the installation cavity and sleeved on the outside of the abutment portion, the abutment portion is provided with a push block, and the push block abuts against one end of the coil spring close to the abutment head.

[0016] According to some embodiments of the present invention, a surface of the abutment head on a side facing away from the abutment portion is configured as a spherical surface convex outwardly.

[0017] According to some embodiments of the present invention, the top surface of the base is used to support the rail, and a plurality of rail pressing blocks are provided on the top surface of the base, and the rail pressing blocks are used to limit the rail.

[0018] According to some embodiments of the present invention, the base is provided with a detection probe, and the detection probe is used to detect whether the blocking member is in the first state.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and some advantages will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0021] Figure 1 It is a schematic diagram of the blocking member being in a first state when the driving member of the present invention is one of the structures;

[0022] Figure 2 is a schematic diagram of the blocking member being in the second state when the driving member of the present invention is one of the structures;

[0023] Figure 3 for Figure 1 One of the perspectives of

[0024] Figure 4 for Figure 1 A cross-sectional view of

[0025] Figure 5 It is a schematic diagram of the blocking member in the first state when the driving member of the present invention is another structure;

[0026] Figure 6 It is a schematic diagram of the blocking member in the second state when the driving member of the present invention is another structure;

[0027] Figure 7 for Figure 5 One of the perspectives of

[0028] Figure 8 for Figure 5 Another perspective of the picture;

[0029] Fig. 9 for Figure 5 A cross-sectional view of

[0030] Fig.10 is a schematic diagram of the abutment portion abutting against the wheel;

[0031] Fig.11 for Fig.10 Another perspective of the picture.

[0032] Figure Number:

[0033] Base 100; first axis 101; first mounting axis 102; track pressing block 103;

[0034] Blocking member 200; mounting portion 201; swinging portion 202; abutting portion 203; abutting surface 204; elastic buffer portion 205; abutting head 206; mounting cavity 207; pushing block 208; second mounting shaft 209; blocking portion 210; second axis 211; fourth connecting shaft 212;

[0035] Driving member 300; connecting rod mechanism 301; telescopic member 302; first connecting rod 303; second connecting rod 304; limiting portion 305; first connecting shaft 306; second connecting shaft 307; third connecting shaft 308;

[0036] Detection probe 400;

[0037] Wheel 500;

[0038] Track 600. DETAILED DESCRIPTION

[0039] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0040] In the description of the present invention, it should be understood that descriptions involving orientation, such as orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In the description of the present invention, "a plurality" refers to two or more than two. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0042] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0043] Reference below Figures 1 to 11 A wheel blocking device for preventing a train from rolling back according to an embodiment of the present invention is described.

[0044] refer to Figures 1 to 11 As shown, the wheel blocking device for preventing a train from slipping according to an embodiment of the present invention includes a base 100 , a blocking member 200 and a driving member 300 .

[0045] Among them, the base 100 can be a plate-like structure or other suitable structure. The base 100 can be installed on the ground near the track 600 by anchor bolts, etc. In this way, compared with installing the wheel blocking device on the track 600, it can avoid the impact force applied by the train from causing damage to the track 600.

[0046] The blocking member 200 includes a mounting portion 201 and a swinging portion 202. The mounting portion 201 is rotatably connected to the base 100 around a first axis 101. The first axis 101 may extend along the length direction of the track 600. For example, the base 100 may be provided with a first mounting shaft 102. One end of the mounting portion 201 is provided with a sleeve hole and is rotatably sleeved on the first mounting shaft 102 through the sleeve hole. The axis centerline of the first mounting shaft 102 forms the first axis 101. The swinging portion 202 is rotatably connected to the mounting portion 201 around a second axis 211. The second axis 211 is parallel to the first axis 101. For example, the other end opposite to the mounting portion 201 may be provided with a second mounting shaft 209. The swinging portion 202 is provided with a sleeve hole and is rotatably sleeved on the second mounting shaft 209 through the sleeve hole. The axis centerline of the second mounting shaft 209 forms the second axis 211. The swinging portion 202 is provided with an abutting portion 203 for abutting against the wheel 500.

[0047] The driving member 300 is disposed between the swinging portion 202 and the base 100 to drive the swinging portion 202 to rotate relative to the mounting portion 201, and the swinging portion 202 can drive the mounting portion 201 to rotate relative to the base 100 after rotating a preset angle γ. The value of the preset angle γ is set according to actual conditions.

[0048] Among them, when the swinging part 202 flips upward so that the abutting part 203 is located directly above the second axis 211, and drives the mounting part 201 to rotate so that the abutting part 203 is located on one side of the vertical plane where the first axis 101 is located, that is, when the abutting part 203 is located on the side directly above the first axis 101, the blocking member 200 is in a first state, in which the abutting part 203 can abut the lower end of the front side of the wheel 500; when the swinging part 202 flips downward by a preset angle and drives the mounting part 201 to rotate, the blocking member 200 is in a second state, in which the abutting part 203 is separated from the wheel 500.

[0049] In this embodiment, when it is necessary to prevent the vehicle from slipping after parking, the driving member 300 is started, and the driving member 300 drives the swinging part 202 to flip upward. After the swinging part 202 flips to a preset angle, it drives the mounting part 201 to flip. When it flips to make the abutting part 203 be directly above the second axis 211 of the swinging part 202, and be located on the side of the vertical plane where the first axis 101 of the mounting part 201 is located close to the track 600, the abutting part 203 can be located above the track 600, so that it can abut the lower end of the front side of the wheel 500 to prevent the vehicle from slipping. When the train needs to move, the driving member 300 drives the swinging part 202 to flip downward to a preset angle, and the swinging part 202 can be separated from the wheel 500. Thereafter, the swinging part 202 drives the mounting part 201 to rotate so that the blocking member 200 as a whole is located on the outside of the track 600.

[0050] Compared with the blocking member 200 in the prior art which is an integral structure, the blocking member 200 of the wheel blocking device for preventing train slipping of the present invention includes a mounting portion 201 and a swinging portion 202 which are rotatably connected, and a contact portion 203 is arranged on the swinging portion 202. Through the rotation of the mounting portion 201 and the swinging portion 202, the contact portion 203 can be located above the track 600 to facilitate abutting against the lower end of the front side of the wheel 500, and when the abutting portion 203 abuts against the wheel 500, it is located directly above the second axis 211 of the swinging portion 202. When the train needs to move, the swinging portion 202 can be flipped downward by a preset angle to separate the abutting portion 203 from the wheel 500. Since the swinging portion 202 is flipped downward, the blocking member 200 does not need to overcome the downward pressure applied by the gravity of the train, the resistance to the blocking member 200 is greatly reduced, the flipping is more convenient, the driving force required by the driving member 300 is smaller, the wheel blocking device is less likely to be damaged, and has a longer service life.

[0051] refer to Figure 5 As shown, in some embodiments of the present invention, an end of the mounting portion 201 away from the base 100 is formed with an abutting surface 204, and the swing portion 202 abuts against the abutting surface 204 after rotating at a preset angle, so as to drive the mounting portion 201 to rotate. For example, the abutting surface 204 can be provided with a mounting groove, and a connecting portion is provided at a position of the swing portion 202 close to the mounting portion 201, and the connecting portion is located in the mounting groove and is rotatably connected to the mounting portion 201 through a rotating shaft. In this embodiment, the mounting portion 201 is provided on the abutting surface 204, and then the swing portion 202 can abut against the abutting surface 204 after rotating at a preset angle in different directions, and then cannot continue to swing relative to the mounting portion 201, thereby driving the mounting portion 201 to rotate relative to the base 100.

[0052] refer to Figures 1 to 3As shown, in some embodiments of the present invention, the driving member 300 can be configured as a telescopic member 302, and the telescopic member 302 can be a pneumatic cylinder, an oil cylinder or an electric push rod, etc. The two ends of the telescopic member 302 are respectively rotatably connected to the swing part 202 and the base 100. The swing part 202 can be driven to rotate by the extension and retraction of the telescopic member 302. The structure is simple and the operation is convenient.

[0053] However, due to factors such as the shape of the wheel 500 and the shape of the abutment portion 203, when the wheel 500 hits the abutment portion 203, part of the impact force will be transmitted to the telescopic member 302, which is easy to damage the telescopic member 302. For example, in the prior art, the outer peripheral wall of the wheel 500 may not be a standard circumferential surface, for example, it may have an inclined area, and the outer surface of the abutment portion 203 for abutting the wheel 500 may also be a spherical surface, etc., so that when the blocking member 200 abuts the wheel 500 through the abutment portion 203, in addition to applying a horizontal backward thrust and a vertical downward pressure to the blocking member 200, the wheel 500 may also apply an impact force along the axial direction of the wheel 500, which will be transmitted to the telescopic member 302 and damage the telescopic member 302.

[0054] refer to Figures 5 to 8 As shown, in some embodiments of the present invention, the driving member 300 includes a connecting rod mechanism 301 and a telescopic member 302, the two ends of the connecting rod mechanism 301 are rotatably connected to the swinging part 202 and the base 100, respectively, the two ends of the telescopic member 302 are rotatably connected to the connecting rod mechanism 301 and the base 100, the rotation axis between the connecting rod mechanism 301 and the swinging part 202 can be parallel to the first axis 101, the rotation axis between the connecting rod mechanism 301 and the base 100 can be parallel to the first axis 101, the rotation axis between the telescopic member 302 and the connecting rod mechanism 301 can be parallel to the first axis 101, and the rotation axis between the telescopic member 302 and the base 100 can be parallel to the first axis 101; wherein, when the telescopic member 302 is extended or retracted, the swinging part 202 can be driven to rotate through the connecting rod mechanism 301.

[0055] When the telescopic member 302 is activated, the telescopic member 302 can drive the link mechanism 301 to move by telescoping, and the link mechanism 301 can drive the swinging portion 202 of the blocking member 200 to swing. In this embodiment, since the link mechanism 301 is provided between the telescopic member 302 and the swinging portion 202, and the link mechanism 301 is connected to the base 100, the impact force applied by the wheel 500 is transmitted to the base 100 through the link mechanism 301, and the telescopic member 302 is subjected to very little impact force, is less likely to be damaged, and has a longer service life.

[0056] refer to Figure 5 and Figure 8As shown, in some embodiments of the present invention, when the blocking member 200 is in the first state, the connecting rod mechanism 301 is in a dead point position. When the blocking member 200 is in the first state, the connecting rod mechanism 301 is in a dead point position, and then when the blocking member 200 is subjected to the impact force applied by the wheel 500, the blocking member 200 cannot push the connecting rod mechanism 301 to move in the reverse direction, and the connecting rod mechanism 301 will not apply the impact force to the telescopic member 302 in the reverse direction, so that not only the blocking member 200 has a better effect of preventing the vehicle from slipping, but also the impact force applied by the blocking member 200 to the connecting rod mechanism 301 can be further prevented from being transmitted to the telescopic member 302 and damaging the telescopic member 302, and the telescopic member 302 has a longer service life.

[0057] It should be noted that when the connecting rod mechanism 301 is at the dead point, the blocking member 200 cannot push the connecting rod mechanism 301 to move in the reverse direction, but the telescopic member 302 can actively drive the connecting rod mechanism 301 to move by telescoping.

[0058] refer to Figures 5 to 8 As shown, in some embodiments of the present invention, the connecting rod mechanism 301 includes a first connecting rod 303 and a second connecting rod 304, and the first connecting rod 303 and the second connecting rod 304 are rotatably connected at one end close to each other, and the other end of the first connecting rod 303 is rotatably connected to the swinging portion 202 of the blocking member 200, and the other end of the second connecting rod 304 is rotatably connected to the base 100, and the telescopic member 302 is rotatably connected to the second connecting rod 304. When the blocking member 200 is in the first state, the first connecting rod 303 and the second connecting rod 304 are at an angle of 180° and are in a dead point position. For example, the second connecting rod 304 can be provided with a first connecting shaft 306, one end of the telescopic member 302 can be rotatably mounted on the first connecting shaft 306, a second connecting shaft 307 can be provided between the ends of the first connecting rod 303 and the second connecting rod 304 that are close to each other and are rotatably connected through the second connecting shaft 307, and a third connecting shaft 308 can be provided at the end of the second connecting rod 304 that is close to the base 100 and is rotatably connected to the base 100 through the third connecting shaft 308.

[0059] In this embodiment, the telescopic member 302 is extended and retracted to drive the second connecting rod 304 to rotate around the third connecting shaft 308, and the second connecting rod 304 can further drive the first connecting rod 303 to move, and the first connecting rod 303 can thereby drive the swinging portion 202 of the blocking member 200 to rotate. The structure is simple and easy to operate. Moreover, when the connecting rod mechanism 301 is in the dead point position, the first connecting rod 303 and the second connecting rod 304 are roughly distributed in a straight line, which can further prevent the blocking member 200 from pushing the connecting rod mechanism 301 to move in the reverse direction, and can further prevent the connecting rod mechanism 301 from applying an impact force to the telescopic member 302, thereby not only making the blocking member 200 better in preventing the vehicle from slipping, but also further preventing the impact force applied by the blocking member 200 to the connecting rod mechanism 301 from being transmitted to the telescopic member 302 and damaging the telescopic member 302, and the telescopic member 302 has a longer service life.

[0060] It should be noted that the connecting rod mechanism 301 may also be other suitable structures, which will not be described in detail here.

[0061] refer to Figures 5 to 8 As shown, in some embodiments of the present invention, the second connecting rod 304 is provided with a limiting portion 305. When the blocking member 200 is in the second state, the bottom surface of the first connecting rod 303 abuts against the top surface of the limiting portion 305, and the end of the second connecting rod 304 close to the base 100 is lower than the end of the second connecting rod 304 close to the first connecting rod 303. When the telescopic member 302 is retracted to make the blocking member 200 in the second state, the bottom surface of the first connecting rod 303 abuts against the top surface of the limiting portion 305. Through the abutment between the first connecting rod 303 and the limiting portion 305, the first connecting rod 303 and the second connecting rod 304 can be formed at a certain angle and not in a dead point state, and the first connecting rod 303 and the second connecting rod 304 can be prevented from continuing to rotate downward, so that the connecting rod mechanism 301 is kept in a state where the end of the second connecting rod 304 close to the base 100 is lower than the end of the second connecting rod 304 close to the first connecting rod 303. When the telescopic member 302 is extended, the link mechanism 301 can be moved smoothly, and the second link 304 is rotated upward, thereby smoothly driving the swinging portion 202 and the mounting portion 201 to flip over until the blocking member 200 is in the first state.

[0062] refer to Figure 5 , Figure 6 and Figure 8 As shown, in some embodiments of the present invention, the second connecting rod 304 is provided with a first connecting shaft 306, one end of the telescopic member 302 is rotatably sleeved on the first connecting shaft 306, and one end of the first connecting shaft 306 forms a limit portion 305. In this way, the first connecting shaft 306 can be rotatably sleeved on one end of the telescopic member 302, and one end of the first connecting shaft 306 can also serve as the limit portion 305, which is a dual-purpose integrated unit, further simplifying the structure.

[0063] refer to Figures 1 to 10 As shown, in some embodiments of the present invention, the abutting portion 203 is slidably mounted on the swinging portion 202, the sliding direction of the abutting portion 203 is parallel to the first axis 101, and an elastic buffer portion 205 is provided between the abutting portion 203 and the swinging portion 202. When the abutting portion 203 abuts against the lower end of the front side of the wheel 500, the abutting portion 203 slides backwards due to the impact force of the wheel 500, and the abutting portion 203 then squeezes the elastic buffer portion 205, and the elastic buffer portion 205 can be contracted to apply an elastic buffer force to the abutting portion 203, thereby reducing the rigid impact force between the wheel 500 and the abutting portion 203, and avoiding damage to the wheel 500 and the blocking member 200.

[0064] refer to Figures 1 to 10 As shown, in some embodiments of the present invention, the length direction of the abutting portion 203 is parallel to the first axis 101, an abutting head 206 is provided at one end of the abutting portion 203, the swinging portion 202 is provided with a mounting cavity 207, the elastic buffer portion 205 is provided as a coil spring, the coil spring is installed in the mounting cavity 207 and sleeved on the outside of the abutting portion 203, the abutting portion 203 is provided with a push block 208, and the push block 208 abuts against one end of the coil spring close to the abutting head 206. For example, one end of the mounting cavity 207 along the length direction of the abutting portion 203 can be opened and provided with a blocking portion 210, the blocking portion 210 and the end of the swinging portion 202 away from the blocking portion 210 are both provided with a clearance hole, the abutting portion 203 is penetrated through the clearance hole, the push block 208 is located at one end of the coil spring close to the blocking portion 210, one end of the coil spring abuts against the push block 208, and the other end abuts against the side wall of the mounting cavity 207. When the abutting head 206 of the abutting portion 203 abuts against the lower end of the front side of the wheel 500, the abutting portion 203 slides backwards due to the impact force of the wheel 500, and the pushing block 208 of the abutting portion 203 abuts against and squeezes the coil spring, and the coil spring contracts to apply an elastic buffering force to the abutting portion 203. In this embodiment, the elastic buffering portion 205 is configured as a coil spring, which is not only easy to install, but also has a long service life. In addition, the elastic buffering force generated is stronger and more practical.

[0065] It should be noted that the elastic buffer portion 205 may also be other structures, for example, an elastic rubber sleeve, which will not be described in detail here. In addition, when the driving member 300 is provided with a connecting rod mechanism 301, a sleeve hole may be provided at one end of the connecting rod mechanism 301 close to the swinging portion 202, and the connecting rod mechanism 301 is rotatably sleeved on the end of the abutting portion 203 away from the abutting head 206 through the sleeve hole, and the abutting portion 203 may be installed with a limit bolt to prevent the connecting rod mechanism 301 from being separated. Of course, the swinging portion 202 may also be provided with a fourth connecting shaft 212, and the connecting rod mechanism 301 is rotatably sleeved on the fourth connecting shaft 212 through the sleeve hole. When the driving member 300 is set as a telescopic member 302, the end of the telescopic member 302 away from the base 100 can be provided with a sleeve hole, and is rotatably sleeved on the end of the abutment part 203 away from the abutment head 206 through the sleeve hole. The abutment part 203 can be installed with a limiting bolt to prevent the telescopic member 302 from detaching. Of course, the swinging part 202 can also be provided with a fourth connecting shaft 212, and the telescopic member 302 is rotatably sleeved on the fourth connecting shaft 212 through the sleeve hole.

[0066] refer to Figures 1 to 10 As shown, in some embodiments of the present invention, the surface of the abutment joint 206 on the side away from the abutment portion 203 is set as a spherical surface convex outward. Since the wheel 500 is relatively large, the abutment joint 206 is generally abutted against the lower end position of the front side of the wheel 500, and thus the wheel 500 applies a vertical downward pressure to the abutment portion 203 in addition to the thrust along the length direction of the abutment portion 203. In this embodiment, the surface of the abutment joint 206 on the side away from the abutment portion 203 is set as a spherical surface convex outward, so that the force between the abutment joint 206 and the wheel 500 can be improved, the vertical downward pressure applied by the wheel 500 to the abutment portion 203 is reduced, and the thrust in the length direction of the abutment portion 203 is increased, which is not only conducive to the abutment portion 203 sliding backward along its own length direction, but also makes the abutment portion 203 less likely to be damaged.

[0067] refer to Figures 1 to 3 , Figures 5 to 8 as well as Fig.11As shown, in some embodiments of the present invention, the top surface of the base 100 is used to carry the track 600, and a plurality of track pressing blocks 103 are provided on the top surface of the base 100, and the track pressing blocks 103 are used to limit the track 600. For example, two groups of track pressing blocks 103 can be provided, and the two groups of track pressing blocks 103 can be arranged in a horizontal direction perpendicular to the first axis 101, and each group of track pressing blocks 103 can include at least two track pressing blocks 103, and the track pressing blocks 103 of the same group can be arranged along the extension direction of the first axis 101, and the track 600 is located between the two groups of track pressing blocks 103, and the track 600 has a bottom block, and the track pressing blocks 103 can abut against the side wall and the top surface of the bottom block of the track 600, so that not only the wheel blocking device can be further fixed, but also the wheel blocking device is not directly fixedly connected to the track 600, thereby preventing the impact force applied by the train from damaging the track 600.

[0068] It should be noted that the track block 103 can only limit one of the tracks 600, so the scope of groundbreaking construction is smaller and the installation difficulty is lower. The track block 103 is a common component used to limit the track 600, and its structure is not repeated here.

[0069] refer to Figures 1 to 11 As shown, in some embodiments of the present invention, the base 100 is provided with a detection probe 400, and the detection probe 400 is used to detect whether the blocking member 200 is in the first state. For example, the detection probe 400 can be a proximity switch, a distance sensor, or a visual sensor, etc. The detection probe 400 can be electrically connected to a controller, and the controller can be electrically connected to the telescopic member 302. When the detection probe 400 detects that the blocking member 200 is in the first state, a signal is sent to the controller, and the controller controls the telescopic member 302 to stop running, so that the blocking member 200 can be maintained in the first state, thereby preventing the vehicle from slipping better.

[0070] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A wheel blocking device for preventing a train from slipping, characterized in that: include: Base; The blocking member comprises a mounting portion and a swinging portion, wherein the mounting portion is rotatably connected to the base around a first axis, the swinging portion is rotatably connected to the mounting portion around a second axis parallel to the first axis, and the swinging portion is provided with an abutting portion for abutting against a wheel; A driving member, disposed between the swinging portion and the base, to drive the swinging portion to rotate relative to the mounting portion, and the swinging portion can drive the mounting portion to rotate relative to the base after rotating a preset angle; Wherein, when the swinging portion flips upward to make the abutting portion located directly above the second axis, and drives the mounting portion to rotate to make the abutting portion located on one side of the vertical plane where the first axis is located, the blocking member is in a first state where the abutting portion can abut against the wheel; When the swing portion turns downward by the preset angle and drives the mounting portion to rotate, the blocking member is in a second state where the abutting portion is separated from the wheel.

2. The wheel blocking device for preventing train from slipping according to claim 1, characterized in that: An abutting surface is formed at one end of the mounting portion away from the base, and the swinging portion abuts against the abutting surface after rotating by the preset angle to drive the mounting portion to rotate.

3. The wheel blocking device for preventing train from slipping according to claim 1 or 2, characterized in that: The driving member comprises: A connecting rod mechanism, with two ends rotatably connected to the swing part and the base respectively; A telescopic member, both ends of which are rotatably connected to the connecting rod mechanism and the base; When the telescopic member is extended or retracted, the swinging part can be driven to rotate through the connecting rod mechanism.

4. The wheel blocking device for preventing train from slipping according to claim 3, characterized in that: When the blocking member is in the first state, the link mechanism is in a dead point position.

5. The wheel blocking device for preventing train from slipping according to claim 4, characterized in that: The connecting rod mechanism includes a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are rotatably connected at one end close to each other, the other end of the first connecting rod is rotatably connected to the swinging part, the other end of the second connecting rod is rotatably connected to the base, the telescopic member is rotatably connected to the second connecting rod, and when the blocking member is in the first state, the first connecting rod and the second connecting rod are at an angle of 180° and are at the dead point position.

6. The wheel blocking device for preventing train from slipping according to claim 5, characterized in that: The second connecting rod is provided with a limiting portion. When the blocking member is in the second state, the bottom surface of the first connecting rod abuts against the top surface of the limiting portion, and the end of the second connecting rod close to the base is lower than the end of the second connecting rod close to the first connecting rod.

7. The wheel blocking device for preventing train from slipping according to claim 6, characterized in that: The second connecting rod is provided with a first connecting shaft, one end of the telescopic member is rotatably sleeved on the first connecting shaft, and one end of the first connecting shaft forms the limiting portion.

8. The wheel blocking device for preventing train from slipping according to claim 1 or 2, characterized in that: The abutting portion is slidably mounted on the swinging portion, a sliding direction of the abutting portion is parallel to the first axis, and an elastic buffer portion is provided between the abutting portion and the swinging portion.

9. The wheel blocking device for preventing train from slipping according to claim 8, characterized in that: The length direction of the abutting portion is parallel to the first axis, an abutting head is provided at one end of the abutting portion, the swinging portion is provided with a mounting cavity, the elastic buffer portion is configured as a coil spring, the coil spring is installed in the mounting cavity and sleeved on the outer side of the abutting portion, the abutting portion is provided with a push block, and the push block abuts against one end of the coil spring close to the abutting head.

10. The wheel blocking device for preventing train from slipping according to claim 9, characterized in that: A surface of the abutting head on a side away from the abutting portion is configured as a spherical surface convex outwards.

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