CN220166754U

CN220166754U - Automatic layout anti-climbing device of obstacle-setting vehicle

Info

Publication number: CN220166754U
Application number: CN202321491040.1U
Authority: CN
Inventors: 杨亦; 仲渔; 张淳; 曹颖; 吴佳; 罗晓峰; 徐鹏; 顾敏康; 郭张祺; 季俊玮
Original assignee: Changshu Huadong Automobile Co Ltd
Current assignee: Changshu Huadong Automobile Co Ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-12
Anticipated expiration: 2033-06-13

Abstract

An anti-climbing device is automatically arranged on a barrier vehicle, and a main network module and an auxiliary network module are arranged on a vehicle body of the barrier vehicle; the auxiliary net module is nested in the main net module, the main net module is provided with a main net framework, the top of the main net framework is provided with a limiting component, the auxiliary net module is provided with an auxiliary net framework, and the top of the auxiliary net framework is provided with an auxiliary net top connecting longitudinal beam and an auxiliary net top accommodating longitudinal beam; the automatic layout anti-climbing device comprises a guide wheel assembly, a connecting rod, a spring and a saw rack; the guide wheel assembly is abutted to the lower part of the limiting assembly; the connecting rod is connected with the auxiliary net top connection longitudinal beam and the auxiliary net top holding longitudinal beam, the main connecting arm top and the guiding wheel assembly of the connecting rod are connected, a connecting rod locating rack is arranged beside the auxiliary net top connection longitudinal beam, a lower pressing plate is arranged at the top end of the main connecting arm, a spring is sleeved on the main connecting arm body, and two ends of the spring are abutted to the lower pressing plate and the main connecting arm guiding sleeve. Simple structure, suitability are good, the security is good, lay efficiently, can realize anti-climb function and avoid taking place to interfere with the part at main network top.

Description

Automatic layout anti-climbing device of obstacle-setting vehicle

Technical Field

The utility model belongs to the technical field of special vehicle facility equipment, and particularly relates to an automatic layout anti-climbing device of a barrier vehicle.

Background

The obstacle-setting vehicle is main equipment for handling road emergencies, particularly large-scale group events; the barrier-setting vehicle has various functions, can be used for setting road construction barriers, and protects the safety of constructors and passing vehicles; or used for road traffic control, such as traffic guiding in occasions of large-scale activities, parades, celebrations and the like; the obstacle-setting vehicle can also be used for tasks such as field control, security maintenance, emergency treatment and the like when emergencies and major cases occur; meanwhile, the obstacle-setting vehicle can also be used for increasing police deployment, improving public safety, and maintaining order and stability. When a vehicle with the road and the area is provided with the barrier, the barrier module is separated from the chassis of the vehicle in a remote control operation mode, and the barrier is quickly expanded to realize the barrier and the sealing control of the road and the area. After the task is completed, the operations of contraction, reverse folding, lifting, loading and the like of the roadblock are realized by reverse operation in a remote control mode, so that the roadblock can be quickly evacuated from the site. With the increasing need to protect safety, existing anti-climb devices are becoming increasingly diverse and complex. However, the existing barrier-setting vehicle barrier module mainly comprises a middle framework assembly, a main network assembly, a secondary network assembly, a hydraulic and electric control system and the like, wherein the secondary network assembly is nested in the main network assembly and is controlled by the hydraulic and electric control system, has two states of expansion and contraction relative to the main network assembly, forms a second-stage barrier after expansion, and is a main component for realizing a blocking function; in order to further improve the protection blocking effect, saw racks are arranged at the tops of the middle framework, the main network and the auxiliary network of the conventional roadblock module, so that the effect of preventing people from climbing is achieved. However, in the existing roadblock module unfolding and withdrawing process, as the auxiliary network assembly is wholly nested in the main network assembly, the auxiliary network assembly can enter and exit in the main network assembly; because the sawtooth strip on the auxiliary net assembly is fixedly arranged at the top of the auxiliary net assembly in a vertical gesture, when the auxiliary net enters and exits, the gap between the upper part of the auxiliary net assembly and the upper part of the main net is continuously changed due to the height of the ground, on one hand, the sawtooth strip on the top of the auxiliary net assembly can bring difficulty to the arrangement of the sawtooth strip on the upper part of the auxiliary net assembly, on the other hand, the sawtooth strip on the top of the auxiliary net assembly can interfere with the part at the top of the main net to bring operation difficulty, so that the operation is very inconvenient, and the safety in the unfolding and withdrawing processes is poor. Meanwhile, due to the reasons of manufacturing process, use environment and the like, the traditional sawtooth strip arranged at the top of the auxiliary net assembly has a plurality of defects in application, such as easy environmental interference, poor reliability and the like.

In view of the above prior art, it is necessary to design a device that can achieve self-folding and stretching of the saw tooth strips at the upper part of the secondary mesh module. To this end, the inventors have advantageously devised that the technical solutions described below are created in this context.

Disclosure of Invention

The utility model aims to provide the automatic arrangement anti-climbing device of the barrier vehicle, which has the advantages of simple structure, good applicability, good safety and high arrangement efficiency, and is beneficial to realizing the automatic upward movement of the saw rack when the auxiliary network module stretches so as to achieve the anti-climbing function and avoid interference with the parts at the top of the main network.

The utility model aims to achieve the purpose that an automatic layout anti-climbing device of a barrier vehicle is provided, and a main network module and a sub-network module are arranged on a vehicle body of the barrier vehicle; the auxiliary net module is movably sleeved in the main net module, the main net module is provided with a main net framework, a limiting component is further arranged at the position close to the top of the main net framework, the auxiliary net module is also provided with an auxiliary net framework, the top of the auxiliary net framework is further provided with an auxiliary net top connecting longitudinal beam and an auxiliary net top accommodating longitudinal beam, the inside of the auxiliary net top accommodating longitudinal beam is hollow, and the auxiliary net top accommodating longitudinal beam is provided with an auxiliary net top accommodating longitudinal beam opening groove with an upward opening; the automatic arrangement anti-climbing device comprises a plurality of groups, wherein each group comprises a guide wheel assembly, a connecting rod, a spring and a saw rack; the guide wheel assembly can be abutted to the lower part of the limiting assembly; the connecting rod is in a three-section rod structure and is provided with a main connecting arm, an auxiliary connecting arm and a connecting longitudinal beam, wherein the main connecting arm and the auxiliary connecting arm are vertically arranged, the connecting longitudinal beam is arranged at the bottom between the main connecting arm and the auxiliary connecting arm, the top end of the main connecting arm of the connecting rod is connected with a guide wheel assembly, a connecting rod positioning frame is arranged beside the connecting longitudinal beam at the top of the auxiliary network, a main connecting arm guide sleeve penetrates through the main connecting arm guide sleeve and is in sliding fit with the main connecting arm guide sleeve, a lower pressing plate is fixedly arranged at the position of the end part of the main connecting arm near the top in the height direction and corresponding to the lower position of the guide wheel assembly, and the spring is sleeved on the main connecting arm body, and the upper end and the lower end of the spring in the height direction are respectively abutted to the lower pressing plate and the main connecting arm guide sleeve; the top end of the auxiliary connecting arm penetrates through the auxiliary net top accommodating longitudinal beam and is connected with the sawtooth strip, the sawtooth strip is accommodated in an opening groove of the auxiliary net top accommodating longitudinal beam, and the sawtooth strip can move up and down in the auxiliary net top accommodating longitudinal beam under the driving of the main connecting arm.

In a specific embodiment of the present utility model, the limit component of the main network module includes a limit plate and a limit guide block, where the limit plate is installed at a position near the top end of the main network framework in a state parallel to the length direction of the main network framework, an opening for the auxiliary network module to enter and exit is formed on a long side of the main network framework in the length direction, and the limit guide block is installed at a position near the top end of the main network framework and corresponds to a position near the end of the opening of the main network framework in the length direction of the limit plate, and a guiding slope is formed on the limit guide block; when the auxiliary net module is nested in the main net module, namely the main net module and the auxiliary net module are folded together, the guide wheel assembly is abutted to the lower part of the limiting plate, so that the connecting rod and the saw-tooth strip move downwards, and the saw-tooth strip is arranged in the accommodating longitudinal beam at the top of the auxiliary net; when the auxiliary net module moves out from the main net module and expands, the guide wheel assembly is separated from the lower part of the limiting plate and moves upwards under the guide of the limiting guide block, so that the connecting rod and the saw rack move upwards, and the saw rack moves upwards from the longitudinal beam accommodated at the top of the auxiliary net and extends out of the longitudinal beam.

In another specific embodiment of the present utility model, the guide wheel assembly includes a guide wheel body and a guide wheel connecting frame, the guide wheel connecting frame is mounted on the top of the main connecting arm of the connecting rod, and the guide wheel connecting frame is in an inverted door-shaped plate structure, and the guide wheel body is pivotally connected with the side plates at two sides of the guide wheel connecting frame through connecting pins; when the auxiliary network module is nested in the main network module, namely the main network module and the auxiliary network module are folded together, the guide wheel body is abutted to the lower part of the limiting plate; in the process that the auxiliary net module moves out and expands from the main net module, the guide wheel body can roll on the lower surface of the limiting plate and finally can move upwards under the guiding action of the guiding slope of the limiting guide block, so that the limit of the limiting assembly is removed.

In another specific embodiment of the utility model, a connecting rod locating frame through hole is formed in the connecting rod locating frame, the main connecting arm guide sleeve is mounted in the connecting rod locating frame through hole in a vertical state in a matched mode, a main connecting arm guide sleeve locating seat arranged on the top surface of the connecting rod locating frame is formed at the top of the main connecting arm guide sleeve, and the lower end part of the spring is abutted against the main connecting arm guide sleeve locating seat.

In a further specific embodiment of the utility model, a secondary connecting arm guide frame plate is connected to the bottom of the longitudinal beam accommodated at the top of the secondary net, a secondary connecting arm guide sleeve is penetrated in the secondary connecting arm guide frame plate, and the secondary connecting arm penetrates through the secondary connecting arm guide sleeve and is in sliding fit with the secondary connecting arm guide sleeve.

In yet another specific embodiment of the present utility model, the saw rack is constructed as an elongated plate member having an L-shaped cross section, and the saw rack has a saw rack base plate and a saw rack thorn plate, the saw rack base plate being fitted with a sub-net top receiving stringer opening groove of the sub-net top receiving stringer and being capable of sliding reciprocally up and down therein, and a tooth row being formed at the top of the saw rack thorn plate.

In a further specific embodiment of the present utility model, the limiting plate of the limiting assembly is one of a rectangular tube or a bent piece.

The technical scheme provided by the utility model has the technical effects that: by arranging the limiting component at the top of the main network module, when the auxiliary network module is folded into the main network module, the guide wheel component and the connecting rod are controlled to move downwards integrally and are contained in the auxiliary network top containing longitudinal beam under the limit of the limiting component, so that the situation that the auxiliary network module upwards protrudes out of the top of the auxiliary network module and interferes with the main network module is avoided; when the auxiliary net module is unfolded from the main net module, the guide wheel body of the guide wheel assembly moves upwards under the action of the guide slope of the limit guide block, the lower pressing plate on the connecting rod moves upwards to spring out, the connecting rod moves upwards integrally, the auxiliary connecting arm of the connecting rod drives the saw-tooth strip to rise, the saw-tooth strip plate moves upwards to form a top barrier with saw-tooth thorns, the sharp saw-tooth strip plate on the saw-tooth strip plate can be pricked into the body of a climber, climbing resistance is increased, climbing prevention is effectively achieved, automatic arrangement of the saw-tooth strip plate of the auxiliary net module is effectively achieved, and the auxiliary net module is simple in structure, convenient to unfold and withdraw and capable of reliably improving safety in use.

Drawings

Fig. 1 is a schematic structural diagram of a secondary network module according to the present utility model after the secondary network module extends from a primary network module;

FIG. 2 is a schematic view of an automatic anti-climb device layout in accordance with the present utility model;

FIG. 3 is a schematic view of the connection structure of the guide wheel assembly, the connecting rod and the saw rack in the present utility model;

fig. 4 is a schematic view of a connection structure of a guide wheel assembly, a connecting rod and a saw rack at another angle in the present utility model.

In the figure: 1. the device comprises a main network module, a main network framework, a limiting assembly, a limiting plate, a limiting guide block and a guide slope, wherein the main network module, the main network framework, the limiting assembly, the limiting plate and the limiting guide block are respectively arranged at the positions of the main network framework, the limiting assembly, the limiting plate and the limiting guide block, the limiting guide block and the guide slope are respectively arranged at the positions of the limiting plate and the limiting guide block and the guide slope; 2. the auxiliary net comprises an auxiliary net module, an auxiliary net framework and an auxiliary net frame, wherein the auxiliary net top is connected with longitudinal beams and 221, a connecting rod positioning frame and 2211, a connecting rod positioning frame through hole and 222, a main connecting arm guide sleeve and 2221, a main connecting arm guide sleeve positioning seat and 23, an auxiliary net top containing longitudinal beam and 231, an auxiliary net top containing longitudinal beam open slot and 24, an auxiliary connecting arm guide frame plate and 241, and an auxiliary connecting arm guide sleeve. 3. The guide wheel assembly, 31, the guide wheel body, 32, the guide wheel link; 4. connecting rods, 41, main connecting arms, 411, lower pressing plates, 42, connecting longitudinal beams and 43, auxiliary connecting arms; 5. a spring; 6. saw racks, 61. Saw bar base plates, 62. Saw racks stab the plates.

Detailed Description

In order that the technical spirit and advantages of the present utility model may be more clearly understood, reference will now be made in detail to the following examples, which are not intended to limit the scope of the utility model, but rather are merely equivalent in form to the present utility model.

In the following description, any reference to the directional or azimuthal sense of up, down, left, right, front and rear is based on the positional state in the illustrated example, and therefore should not be construed as a limitation on the technical solution provided by the present utility model.

Referring to fig. 1 to 4, the present utility model relates to an automatic layout anti-climbing device of a barrier vehicle, as shown in fig. 1, a main net module 1 and a sub net module 2 are mounted on a vehicle body of the barrier vehicle, the sub net module 2 is movably nested in the main net module 1, the main net module 1 is provided with a main net skeleton 11, a limiting component 12 is mounted near the top of the main net skeleton 11, the sub net module 2 is also provided with a sub net skeleton 21, and referring to fig. 2, a sub net top connecting girder 22 and a sub net top containing girder 23 are mounted at the top of the sub net skeleton 21, and the sub net top containing girder 23 is hollow and provided with a sub net top containing girder opening groove 231 with an opening facing upwards.

Referring to fig. 2 and 3, the automatic anti-climbing device is installed on the auxiliary net module 2 in a plurality of groups, and each group includes a guide wheel assembly 3, a connecting rod 4, a spring 5 and a saw-tooth bar 6; the guide wheel assembly 3 can be abutted to the lower part of the limiting assembly 12; the connecting rod 4 is slidably connected with the auxiliary net top connecting longitudinal beam 22 and the auxiliary net top accommodating longitudinal beam 23, the connecting rod 4 is of a three-section rod structure and is provided with a main connecting arm 41, an auxiliary connecting arm 43 and a connecting longitudinal beam 42 which is arranged vertically and is arranged at the bottom between the main connecting arm 41 and the auxiliary connecting arm 43, the top end of the main connecting arm 41 of the connecting rod 4 is connected with the guide wheel assembly 3, a plurality of connecting rod positioning frames 221 are arranged beside the auxiliary net top connecting longitudinal beam 22 in a state of being parallel to the auxiliary net top connecting longitudinal beam 22, and the plurality of connecting rod positioning frames 221 are fixedly arranged at the inner side position of the auxiliary net top connecting longitudinal beam 22 through connecting beams arranged at two ends of the length direction of the connecting rod positioning frames; a main connecting arm guide sleeve 222 is penetrated in the connecting rod positioning frame 221, the main connecting arm 41 penetrates through the main connecting arm guide sleeve 222 and is in sliding fit with the main connecting arm guide sleeve, a lower pressing plate 411 is fixedly arranged at the position near the top end part of the main connecting arm 41 in the height direction and at the position corresponding to the lower part of the guide wheel assembly 3, the spring 5 is sleeved on the main connecting arm 41 body, and the upper end and the lower end of the spring 5 in the height direction are respectively abutted to the lower pressing plate 411 and the main connecting arm guide sleeve 222; the top end of the auxiliary connecting arm 43 passes through the auxiliary net top accommodating longitudinal beam 23 and is connected with the saw-tooth bar 6, the saw-tooth bar 6 is accommodated in the auxiliary net top accommodating longitudinal beam opening slot 231 of the auxiliary net top accommodating longitudinal beam 23, and the saw-tooth bar 6 can move up and down in the auxiliary net top accommodating longitudinal beam 23 under the driving of the main connecting arm 41.

In this embodiment, the limiting assembly 12 of the main network module 1 includes a limiting plate 121 and a limiting guide 122, the limiting plate 121 is installed at a position near the top end of the main network frame 11 in parallel to the length direction of the main network frame 11, an opening for the secondary network module 2 to enter and exit is formed on a long side of the main network frame 11 in the length direction, the limiting guide 122 is installed at a position near the top end of the main network frame 11 and corresponds to an end of the limiting plate 121 near the opening of the main network frame 11 in the length direction, and a guiding slope 1221 is formed on the limiting guide 122; when the auxiliary net module 2 is nested in the main net module 1, that is, when the main net module and the auxiliary net module are folded together, the guide wheel assembly 3 is abutted against the lower part of the limiting plate 121, so that the connecting rod 4 and the sawtooth strip 6 move downwards, and the sawtooth strip 6 is arranged in the auxiliary net top accommodating longitudinal beam 23; when the sub-net module 2 is moved out of the main net module 1 to be unfolded, the guide wheel assembly 3 is separated from the lower portion of the limit plate 121 and moves upward under the guide of the limit guide block 122, so that the connecting rod 4 moves upward with the saw-tooth bar 6, and the saw-tooth bar 6 moves upward from the sub-net top receiving girder 23 to protrude therefrom.

Further, the guide wheel assembly 3 includes a guide wheel body 31 and a guide wheel connecting frame 32, the guide wheel connecting frame 32 is mounted on the top of the main connecting arm 41 of the connecting rod 4, the guide wheel connecting frame 32 is in an inverted door-shaped plate structure, and the guide wheel body 31 is pivotally connected with the side plates at two sides of the guide wheel connecting frame 32 through connecting pins; when the auxiliary net module 2 is nested in the main net module 1, that is, when the two are folded together, the guide wheel body 31 is abutted against the lower part of the limiting plate 121; during the process of removing and unfolding the auxiliary net module 2 from the main net module 1, the guide wheel body 31 can roll on the lower surface of the limiting plate 121, and finally can move upwards under the guiding action of the guiding slope 1221 of the limiting guide block 122, and the guiding slope 1221 arranged obliquely can play a guiding role on the guide wheel body 31 so that the guide wheel body 31 can extend upwards and be separated from the limitation of the limiting assembly 12.

In this embodiment, a connecting rod positioning frame through hole 2211 is formed in the connecting rod positioning frame 221, the main connecting arm guiding sleeve 222 is mounted in the connecting rod positioning frame through hole 2211 in a vertical state, a main connecting arm guiding sleeve positioning seat 2221 arranged on the top surface of the connecting rod positioning frame 221 is formed at the top of the main connecting arm guiding sleeve 222, and the lower end of the spring 5 is abutted on the main connecting arm guiding sleeve positioning seat 2221.

With continued reference to fig. 2, 3 and 4, a secondary link arm guide frame plate 24 is connected to the bottom of the secondary net top receiving stringer 23, a secondary link arm guide sleeve 241 is disposed through the secondary link arm guide frame plate 24, and the secondary link arm 43 passes through the secondary link arm guide sleeve 241 and is slidably engaged therewith.

Further, the saw-tooth bar 6 has an elongated plate structure with an L-shaped cross section, and the saw-tooth bar 6 is provided with a saw-tooth bar base plate 61 and a saw-tooth bar punching plate 62, wherein the saw-tooth bar base plate 61 is matched with the auxiliary net top accommodating longitudinal beam opening groove 231 of the auxiliary net top accommodating longitudinal beam 23 and can slide up and down in the auxiliary net top accommodating longitudinal beam opening groove, a tooth row is formed at the top of the saw-tooth bar punching plate 62, and the size and the height of the saw-tooth bar punching plate 62 can be adjusted according to the requirement, so that the extension amount of the auxiliary net module 2 is not limited by the lifting of the saw-tooth bar punching plate 62.

Preferably, the limiting plate 121 of the limiting assembly 12 is one of a rectangular tube or a bent piece.

Referring to fig. 1 to 4, the present inventors briefly describe the working principle of the present utility model: when the auxiliary net module 2 is integrally folded in the main net module 1, the plurality of groups of guide wheel assemblies 3 are limited by the limiting plates 121 in the limiting assemblies 12 and are abutted against the lower parts of the limiting plates 121, the lower pressing plates 411 of the connecting rods 4 move downwards and press the springs 5, so that the springs 5 are in a pressed state, the auxiliary connecting arms 43 of the connecting rods 4 drive the saw racks 6 to move downwards, the saw racks 6 are integrally accommodated in the auxiliary net top accommodating longitudinal beam opening grooves 231 of the auxiliary net top accommodating longitudinal beams 23, and the tops of the saw rack thorn plates 62 do not protrude upwards out of the auxiliary net top accommodating longitudinal beams 23; when the expansion of the roadblock module, namely the expansion of the auxiliary net module 2 is required to be realized, the auxiliary net framework 21 of the auxiliary net module 3 moves outwards, at the moment, when the guide wheel body 31 of the guide wheel assembly 3 moves to the position of the limit guide block 122, the guide wheel body 31 moves upwards under the action of the guide slope 1221 of the limit guide block 122, at the moment, the connecting rod 4 is not pressed by the guide wheel assembly 3 any more, the lower pressing plate 411 moves upwards and the spring 5 pops upwards, the connecting rod 4 moves upwards as a whole, so that the auxiliary connecting arm 43 of the connecting rod 4 drives the saw rack 6 to rise, and the saw-tooth strip plate 62 protrudes upwards from the auxiliary net top accommodating longitudinal beam 23 to form a top barrier with saw-tooth thorns, thereby realizing an anti-climbing function; when the auxiliary net module 2 is folded inwards, the guide wheel body 31 moves downwards under the action of the guide slope 1221 of the limit guide block 122, at this time, the connecting rod 4 is under the pressure of the guide wheel assembly 3, the lower pressing plate 411 moves downwards and the spring 5 integrally contracts, the connecting rod 4 moves downwards and the auxiliary connecting arm 43 of the connecting rod 4 drives the saw rack 6 to descend, so that the saw rack 6 is integrally stored in the auxiliary net top storage longitudinal beam opening groove 231 of the auxiliary net top storage longitudinal beam 23 to complete the downward folding of the saw rack 6, the auxiliary net module 2 can be conveniently and smoothly moved in and out, and interference with the main net module 1 can be avoided.

In summary, the technical scheme provided by the utility model overcomes the defects in the prior art, successfully completes the task of the utility model, and faithfully honors the technical effects carried by the applicant in the technical effect column above.

Claims

1. An automatic layout anti-climbing device of a barrier vehicle is characterized in that: a main network module (1) and a sub-network module (2) are arranged on the body of the obstacle-setting vehicle; the auxiliary net module (2) is movably sleeved in the main net module (1), the main net module (1) is provided with a main net framework (11), a limiting component (12) is further arranged at the position near the top of the main net framework (11), the auxiliary net module (2) is also provided with an auxiliary net framework (21), the top of the auxiliary net framework (21) is further provided with an auxiliary net top connecting longitudinal beam (22) and an auxiliary net top accommodating longitudinal beam (23), and the auxiliary net top accommodating longitudinal beam (23) is hollow and is provided with an auxiliary net top accommodating longitudinal beam open slot (231) with an opening facing upwards; the automatic anti-climbing device is provided with a plurality of groups, and each group comprises a guide wheel assembly (3), a connecting rod (4), a spring (5) and a sawtooth strip (6); the guide wheel assembly (3) can be abutted to the lower part of the limiting assembly (12); the connecting rod (4) is in sliding connection with the auxiliary net top connecting longitudinal beam (22) and the auxiliary net top accommodating longitudinal beam (23), the connecting rod (4) is of a three-section rod structure and is provided with a main connecting arm (41) arranged vertically, an auxiliary connecting arm (43) and a connecting longitudinal beam (42) formed at the bottom between the main connecting arm (41) and the auxiliary connecting arm (43), the top end of the main connecting arm (41) of the connecting rod (4) is connected with the guide wheel assembly (3), a connecting rod positioning frame (221) is arranged beside the auxiliary net top connecting longitudinal beam (22), a plurality of main connecting arm guide sleeves (222) penetrate through the main connecting arm guide sleeves (222) and are in sliding fit with the main connecting arm guide sleeves, a lower pressing plate (411) is fixedly arranged at the position of the near top end part of the main connecting arm (41) in the height direction and corresponds to the lower position of the guide wheel assembly (3), and the spring (5) is sleeved on the upper end of the main connecting arm (41) and is abutted against the lower pressing plate (5) in the height direction; the top end of the auxiliary connecting arm (43) penetrates through the auxiliary net top accommodating longitudinal beam (23) and is connected with the sawtooth strip (6), the sawtooth strip (6) is accommodated in an auxiliary net top accommodating longitudinal beam opening groove (231) of the auxiliary net top accommodating longitudinal beam (23), and the sawtooth strip (6) can move up and down in the auxiliary net top accommodating longitudinal beam (23) under the driving of the main connecting arm (41).

2. The automatically deployed anti-climb device of a barrier vehicle according to claim 1, wherein: the limiting assembly (12) of the main network module (1) comprises a limiting plate (121) and a limiting guide block (122), wherein the limiting plate (121) is arranged at the position of the near top end inside the main network framework (11) in a state of being parallel to the length direction of the main network framework (11), an opening for the auxiliary network module (2) to enter and exit is formed on one long side of the length direction of the main network framework (11), and the limiting guide block (122) is arranged at the position of the near top end inside the main network framework (11) and corresponds to the position of one end of the limiting plate (121) close to the opening of the main network framework (11), and a guiding slope (1221) is formed on the limiting guide block (122); when the auxiliary network module (2) is nested in the main network module (1), namely the main network module and the auxiliary network module are folded together, the guide wheel assembly (3) is abutted against the lower part of the limiting plate (121), so that the connecting rod (4) and the sawtooth strip (6) move downwards, and the sawtooth strip (6) is arranged in the auxiliary network top accommodating longitudinal beam (23); when the auxiliary net module (2) moves out from the main net module (1) and expands, the guide wheel assembly (3) is separated from the lower part of the limiting plate (121) and moves upwards under the guide of the limiting guide block (122), so that the connecting rod (4) and the sawtooth strip (6) move upwards, and the sawtooth strip (6) moves upwards from the auxiliary net top accommodating longitudinal beam (23) and extends out of the sawtooth strip.

3. The automatically deployed anti-climb device of a barrier vehicle according to claim 2, wherein: the guide wheel assembly (3) comprises a guide wheel body (31) and a guide wheel connecting frame (32), the guide wheel connecting frame (32) is arranged at the top of a main connecting arm (41) of the connecting rod (4), the guide wheel connecting frame (32) is of an inverted door-shaped plate structure, and the guide wheel body (31) is in pivot connection with side plates at two sides of the guide wheel connecting frame (32) through connecting pin shafts; when the auxiliary network module (2) is nested in the main network module (1), namely the auxiliary network module and the main network module are folded together, the guide wheel body (31) is abutted to the lower part of the limiting plate (121); during the removal and deployment of the secondary screen module (2) from the primary screen module (1), the guide wheel body (31) can roll on the lower surface of the limit plate (121) and can finally move upwards under the guiding action of the guide slope (1221) of the limit guide block (122), so that the limit of the limit assembly (12) is released.

4. The automatically deployed anti-climb device of a barrier vehicle according to claim 1, wherein: a connecting rod locating frame through hole (2211) is formed in the connecting rod locating frame (221), the main connecting arm guide sleeve (222) is mounted in the connecting rod locating frame through hole (2211) in a vertical state in a matched mode, a main connecting arm guide sleeve locating seat (2221) arranged on the top surface of the connecting rod locating frame (221) is formed at the top of the main connecting arm guide sleeve (222), and the lower end of the spring (5) is abutted to the main connecting arm guide sleeve locating seat (2221).

5. The automatically deployed anti-climb device of a barrier vehicle according to claim 1, wherein: the bottom of the longitudinal beam (23) accommodated at the top of the auxiliary net is connected with an auxiliary connecting arm guide frame plate (24), an auxiliary connecting arm guide sleeve (241) is arranged in the auxiliary connecting arm guide frame plate (24) in a penetrating mode, and the auxiliary connecting arm (43) penetrates through the auxiliary connecting arm guide sleeve (241) and is in sliding fit with the auxiliary connecting arm guide sleeve.

6. The automatically deployed anti-climb device of a barrier vehicle according to claim 1, wherein: the sawtooth strip (6) is of a strip-shaped plate structure with an L-shaped cross section, the sawtooth strip (6) is provided with a sawtooth rack base plate (61) and a sawtooth rack thorn plate (62), the sawtooth rack base plate (61) is matched with a subsidiary mesh top accommodating longitudinal beam opening groove (231) of the subsidiary mesh top accommodating longitudinal beam (23) and can slide up and down in the subsidiary mesh top accommodating longitudinal beam opening groove, and a tooth row is formed at the top of the sawtooth rack thorn plate (62).

7. The automatically deployed anti-climb device of a barrier vehicle according to claim 2, wherein: the limiting plate (121) of the limiting assembly (12) is one of a rectangular pipe or a bending piece.