Car arrester

Abstract

The utility model relates to the technical field of public safety equipment, and provides a car arrester which comprises an inhaul cable, a denial mechanism and a limiting assembly. The inhaul cable can be used for connecting a plurality of denial mechanisms in series; the limiting assembly is connected with the inhaul cable, and the limiting assembly can limit the denial mechanism to a designated position; when the denial mechanism is located on a designated road, the denial mechanism can block vehicles passing through the stopping mechanism; the denial mechanism at least comprises a triangular cone; according to the application, the denial mechanisms are connected in series through the inhaul cables, so that the plurality of denial mechanisms can limit roads in a longer range; and the denial mechanism is limited to the designated position of the inhaul cable through the limiting assembly, so that the denial mechanism can be arranged at the position required by a user, and different road requirements can be effectively met. In the using process, a user pulls one end of the inhaul cable to pass through the running path of a vehicle in advance, so that the multiple rejection mechanisms are sequentially arranged in the center of a road, and therefore the vehicle is effectively blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to public safety equipment technical field, especially relate to a car stopper. BACKGROUND

[0002] In the process of police personnel going on duty, often need to intercept illegal vehicles to avoid causing greater social harm, often through the car stopper placed in the vehicle driving path, so that the stopper and vehicle contact, to interfere with the normal driving of the vehicle.

[0003] CN208023461U The utility model discloses a kind of foldable tetrahedron police car stop device, belong to police equipment field, including rigid straight pole, the rigid straight pole outer surface is provided with antiskid sun text, the rigid straight pole is externally sheathed with reflective tape, the rigid straight pole top is provided with apex device, the rigid straight pole is composed of high-strength alloy pole, aluminum base adhesive layer, anti-corrosion coating and rough layer, the high-strength alloy pole is arranged at the center of the rigid straight pole, the high-strength alloy pole is externally provided with the aluminum base adhesive layer, the aluminum base adhesive layer is externally provided with the anti-corrosion coating, the anti-corrosion coating is externally provided with the rough layer, the apex device is composed of apex matrix, nested slot, anti-falling buckle convex point, non-slip sheet and stress convex point.The utility model has the advantages of simple structure, convenient to use, convenient to disassemble, easy to carry, and good direct blocking effect on vehicle, and more safe for police.

[0004] In the prior art, the triangular pyramid car stop device is arranged by a single device, and is thrown onto the vehicle path by the user when the vehicle passes, to realize the blocking interference to the measurement. However, the throwing mode by the user tests the throwing timing and throwing force of the user, and is very easy to be avoided by the driver, so that it is difficult to effectively block the vehicle. SUMMARY

[0005] In the prior art, the triangular pyramid car stop device is arranged by a single device, and is thrown onto the vehicle path by the user when the vehicle passes, to realize the blocking interference to the measurement. However, the throwing mode by the user tests the throwing timing and throwing force of the user, and is very easy to be avoided by the driver, so that it is difficult to effectively block the vehicle.

[0006] The utility model aims at providing a kind of car stopper, comprising: cable, refusal mechanism and limiting component;The cable can be connected in series for multiple refusal mechanisms;The limiting component is connected with the cable, and the limiting component can limit the refusal mechanism at specified position;When the refusal mechanism is at specified road, the refusal mechanism can block the vehicle passing through the stop mechanism;The refusal mechanism includes at least triangular pyramid.

[0007] In one embodiment, the triangular pyramid is hollowly arranged;The triangular pyramid is formed with four triangular end faces, at least one of the triangular end faces is provided with an opening, and the triangular pyramid can be stacked through the opening.

[0008] In one embodiment, the triangular pyramid includes six side columns connected head to tail;The six side columns are hollowly arranged, and are formed with four openings, any three of the four openings are provided with a plurality of reinforcing ribs;Two sides of each reinforcing rib are connected with adjacent side columns.

[0009] In one embodiment, the reinforcing rib is provided with a sawtooth.

[0010] In one embodiment, the side column is provided with a fixing structure;The fixing structure includes a guide hole, a fixing pin and a locking member;The side column is provided with a penetrating hole, the reinforcing rib is formed with a side hole, the reinforcing rib is accommodated in the guide hole through the penetrating hole, the fixing pin is penetrated into the guide hole and the side hole to fix the reinforcing rib to the side column, and the locking member can fix the fixing pin penetrated into the guide hole at a specified position.

[0011] In one embodiment, the locking member includes a first elastic member and a locking block;The locking block includes a button portion and a clamping portion, the clamping portion is connected with the button portion, the side column is provided with a switch hole, the button portion is rotatably connected with the side column by being embedded in the switch hole, the first elastic member is arranged between the button portion and the side column, the fixing pin is provided with a pin hole for clamping the clamping portion, when one end of the button portion is subjected to external force, the button portion rotates relative to the side column to drive the clamping portion to be separated from the pin hole, and when the button portion is not subjected to external force, the first elastic member can drive the button portion to reset.

[0012] In one embodiment, the fixing structure further includes a second elastic member;The second elastic member is arranged between the guide hole and the fixing pin;When the clamping portion is separated from the pin hole, the second elastic member is used to eject the fixing pin from the guide hole.

[0013] In one embodiment, the limiting component includes two limiting pieces; a through hole is formed in any one end point of the triangular pyramid, the through hole is used for the inhaul cable to pass through, and the two limiting pieces are arranged on the two sides of the through hole to limit the triangular pyramid in a specified position.

[0014] In one embodiment, the limiting piece includes a limiting block, a bolt and a locking piece; the limiting block is formed with a insertion hole, the bolt is embedded in the insertion hole to fix the inhaul cable between the limiting block and the bolt; and the locking piece is connected with the bolt to fix the bolt in the limiting block.

[0015] In one embodiment, the distance between the two groups of limiting components is less than a specified distance.

[0016] The utility model provides a kind of vehicle stopper, including inhaul cable, denial mechanism and limiting component;The inhaul cable can be used for the series connection of multiple denial mechanisms;The limiting component is connected with the inhaul cable, and the limiting component can limit the denial mechanism in specified position;When the denial mechanism is in specified road, the denial mechanism can block the vehicle passing through denial mechanism;The denial mechanism at least includes triangular pyramid;The denial mechanism is connected in series by inhaul cable in the application, so that multiple denial mechanisms can limit longer range road;And denial mechanism is limited in the specified position of inhaul cable by limiting component, can make the denial mechanism arrange in the position required by user, can be effectively applied to different road demand.In use, the end of inhaul cable is pulled by user in advance on the driving path of vehicle, to arrange multiple denial mechanisms in road center in turn, so as to effectively realize the blocking of vehicle.

[0017] Other features and advantages of the utility model will be described in detail in the subsequent specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings constituting a part of the utility model are used to provide further understanding on the utility model, and the illustrative embodiment of the utility model and its description are used to explain the utility model, and do not constitute undue limitation on the utility model.In the drawings:

[0019] Figure 1 It is the structure schematic view of a kind of vehicle stopper of the utility model embodiment;

[0020] Figure 2 It is single plan view of a kind of vehicle stopper of the utility model embodiment;

[0021] Figure 3 It is the limiting structure schematic view of a kind of vehicle stopper of the utility model embodiment;

[0022] Figure 4A reinforcing rib sawtooth structure schematic view of a car stop of the utility model embodiment;

[0023] Figure 5 A fixing structure sectional view of a car stop of the utility model embodiment;

[0024] Figure 6 A locking piece schematic view of a car stop of the utility model embodiment.

[0025] Mark explanation:

[0026] 1, cable; 2, refusal mechanism; 21, triangular pyramid; 22, opening; 23, side column; 24, reinforcing rib; 241, sawtooth; 242, side hole; 231, fixing structure; 2311, guide hole; 2312, fixed pin; 2313, locking piece; 2314, first elastic piece; 2315, lock block; 2316, button part; 2317, clamping part; 2318, second elastic piece; 2319, pin hole; 232, through hole; 233, switch hole; 234, through hole; 3, limiting assembly; 31, limiting piece; 311, limiting block; 312, bolt; 313, locking piece. Specific implementation

[0027] The specific implementation of the utility model will be described in detail below in combination with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the utility model, and is not used to limit the utility model.

[0028] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the accompanying drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor should belong to the scope of the protection of the utility model.

[0029] It should be noted that the terms "first", "second", and the like in the description and claims of the utility model and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or equipment including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment. "Fixed" or "fixed connection" generally refers to common mechanical connection methods, such as threaded connection, welding or bonding, etc.

[0030] The utility model aims at providing a kind of car stopper, comprising: cable 1, refusal mechanism 2 and limiting assembly 3;Cable 1 can be used for multiple refusal mechanism 2 series connection;Limiting assembly 3 is connected with cable 1, limiting assembly 3 can limit refusal mechanism 2 in specified position;Refusal mechanism 2 is in specified road, and refusal mechanism 2 can block the vehicle passing through the stop mechanism;Refusal mechanism 2 at least includes triangular pyramid 21.

[0031] Figure 1 It is a structural schematic diagram of the car stopper of the utility model embodiment; Figure 2 It is a single plan view of the car stopper of the utility model embodiment;Please refer to Figure 1 And Figure 2 ;

[0032] The utility model provides a kind of car stopper, including cable 1, refusal mechanism 2 and limiting assembly 3;Cable 1 can be used for multiple refusal mechanism 2 series connection;Limiting assembly 3 is connected with cable 1, limiting assembly 3 can limit refusal mechanism 2 in specified position;Refusal mechanism 2 is in specified road, and refusal mechanism 2 can block the vehicle passing through the stop mechanism;Refusal mechanism 2 at least includes triangular pyramid 21;The application is series connected by cable 1 to refusal mechanism 2, so that multiple refusal mechanism 2 can limit the road of longer range;And by limiting assembly 3, refusal mechanism 2 is limited in the specified position of cable 1, can make refusal mechanism 2 arrange in the position required by user, can be effectively applied to different road demand.In use, by user pulling cable 1 one end in advance on the driving path of vehicle, to arrange multiple refusal mechanism 2 in road center in turn, to effectively realize the block of vehicle.

[0033] In the embodiment of the utility model, the cable 1 is a cable for stabilizing a steel structure or tensioning a finished product of a membrane, and has the characteristic of high strength and can withstand the impact of a vehicle without breaking. The blocking mechanism 2 can be a triangular pyramid 21, or other vehicle blocking structures can be used; the blocking mechanism 2 can be a triangular pyramid 21, and the triangular pyramid 21 has four triangular end faces; the height of the triangular pyramid 21 is slightly higher than the height of the vehicle chassis, and preferably 30-40 cm; further, 35 cm can be used; when the vehicle passes through the triangular pyramid 21, the triangular pyramid 21 will be stuck in the vehicle floor under the impact of the vehicle to block the vehicle from advancing. The cable 1 can be connected in series with multiple blocking mechanisms 2; the limiting assembly 3 is connected with the cable 1, and the limiting assembly 3 includes at least two limiting members 31; specifically, a through hole 234 is provided at any one end point of the triangular pyramid 21, i.e. a through hole 234 is provided at the sharp corner of the triangular pyramid 21 and penetrates the triangular pyramid 21; the through hole 234 is used for the cable 1 to pass through, and after the cable 1 passes through the required number of triangular pyramids 21, each triangular pyramid 21 is limited at the specified position of the cable 1 by the limiting member 31; wherein the position of the triangular pyramid 21 can be limited by the staff, or can be equidistantly arranged. Thus, the limiting assembly 3 can limit the blocking mechanism 2 at the specified position; specifically, the distance between the two limiting assemblies 3 is less than the specified distance. The specified distance can be the wheelbase between the two tires of the vehicle, and the width of the vehicle is generally between 1.6-2.2 meters, and the distance between the triangular pyramids 21 can be set to 1.2-1.5 meters to ensure that the distance between the triangular pyramids 21 is less than the distance between the vehicle, i.e. the vehicle cannot pass through between the two triangular pyramids 21 to avoid the blocking of the triangular pyramids 21, so that the road can be blocked by the least number of triangular pyramids 21.

[0034] Figure 3 The limiting structure of the vehicle blocker of the embodiment of the utility model is shown in the figure; please refer to Figure 3 ;

[0035] Specifically, two limiting members 31 are arranged on both sides of the through hole 234 to limit the triangular pyramid 21 at a specified position. Specifically, the limiting member 31 comprises a limiting block 311, a bolt 312 and a locking member 313; the limiting block 311 is generally square-shaped, and a recess is formed on the side of the limiting block 311 facing the cable 1 to facilitate cooperation with the cable 1 and better fixation with the cable 1; the limiting block 311 is formed with a plug hole, the bolt 312 is embedded in the plug hole, the bolt 312 is arranged in a U shape, one end of which is used to abut against the cable 1, and the other end is used to be inserted into the plug hole of the limiting block 311 to fix the cable 1 between the limiting block 311 and the bolt 312; when the bolt 312 passes through the limiting block 311, the locking member 313 can be connected with the threads on the head of the bolt 312 to fix the bolt 312 in the limiting block 311, thereby fixing the limiting block 311 on the cable 1. It should be noted that the size of the limiting block 311 is larger than that of the through hole 234 to achieve the limiting function. When a target vehicle needs to be intercepted, the operator can arrange a plurality of triangular pyramids 21 on the road that the target vehicle must pass through in sequence through the cable 1, and the distance between two triangular pyramids 21 is less than the distance of the vehicle, thereby achieving the interception of the vehicle; when the blocking mechanism 2 is on a specified road, the blocking mechanism 2 can block the vehicle passing through the blocking mechanism; in order to facilitate the cable 1 to pull the triangular pyramid 21, a handle can be arranged on the cable 1 to facilitate the operator to hold.

[0036] Figure 4 A reinforcing rib sawtooth structure schematic view of a vehicle blocker according to an embodiment of the present application is shown in the figure. Figure 4 ;

[0037] In one embodiment, the triangular pyramid 21 is hollow; the triangular pyramid 21 is formed with four triangular end faces, at least one of which is provided with an opening 22, and the triangular pyramid 21 can be stacked through the opening 22.

[0038] In the embodiment of the present application, the triangular pyramid 21 is hollow, and the triangular pyramid 21 is formed with four triangles; in order to have better mechanical properties, the triangular end faces are preferably equilateral triangles; and the triangular pyramid 21 can also be conveniently stacked in subsequent stacking. At least one of the triangular end faces is provided with an opening 22, and preferably the face corresponding to the axial direction of the through hole 234 is provided with an opening 22, so that the triangular pyramid 21 can be stacked layer by layer in the direction of the cable 1, thereby facilitating the carrying of the triangular pyramid 21.

[0039] Further, in order to realize light weight, the triangular pyramid 21 comprises six side columns 23 connected end to end; every three side columns 23 enclose an equilateral triangle; and the six side columns 23 are hollowed, so that four openings 22 are formed on the four end faces of the triangular pyramid 21, and any three of the four openings 22 are provided with a plurality of reinforcing ribs 24; preferably, the three openings 22 can be the three openings 22 adjacent to the through hole 234, so as to avoid affecting the stacking function of the triangular pyramid 21. The overall strength of the triangular pyramid 21 can be improved by the reinforcing ribs 24. Each reinforcing rib 24 is connected to two adjacent side columns 23 respectively, so as to realize installation; wherein the reinforcing rib 24 is fixed to the side column 23, and the specific fixing mode can be detachable fixing or non-detachable fixing, such as welding. Specifically, the reinforcing rib 24 can be connected to the midpoint of each side column 23, and the reinforcing rib 24 of each face can be three, so as to cut the equilateral triangle opening 22 into four small equilateral triangles, so as to improve the overall strength. Further, in order to improve the bottom hanging function of the triangular pyramid 21 on the vehicle body or the tire, a sawtooth 241 is arranged on one side of the reinforcing rib 24.

[0040] Figure 5 A fixing structure sectional view of the vehicle stopper of the embodiment of the present application; Figure 6 A locking piece schematic view of the vehicle stopper of the embodiment of the present application. Please refer to Figure 5 And Figure 6 ; the detachable fixing is as follows:

[0041] In one embodiment, the side column 23 is provided with a fixing structure 231; the fixing structure 231 comprises a guide hole 2311, a fixing pin 2312 and a locking piece 2313; the side column 23 is provided with a penetrating hole 232, the reinforcing rib 24 is provided with a side hole 242, and the reinforcing rib 24 is accommodated in the guide hole 2311 through the penetrating hole 232; the fixing pin 2312 penetrates the guide hole 2311 and the side hole 242, so as to fix the reinforcing rib 24 to the side column 23; and the locking piece 2313 can fix the fixing pin 2312 penetrating the guide hole 2311 at a specified position.

[0042] In the embodiment of the utility model, fixed structure 231 is arranged in side column 23, and fixed structure 231 is used for fixing reinforcing rib 24. Specifically, fixed structure 231 includes guide hole 2311, fixed pin 2312 and locking part 2313; since triangle pyramid 21 does not arrange reinforcing rib 24 on the side away from through hole 234, three guide holes 2311 are all arranged on the side of triangle pyramid 21 away from through hole 234; the length of through hole 234 is greater than half the length of side column 23, preferably, the length of through hole 234 can be greater than 3 / 4 of the length of side column 23, thereby improving the strength of the overall structure. Wherein, the angle of the specified angle of the through hole 232 is set on the side column 23, the through hole 232 is used for the two sides of the reinforcing rib 24 can be inserted into the side column 23, and the side hole 242 of the two sides of the reinforcing rib 24 is located in the side column 23, and is coaxially arranged with the guide hole 2311, that is, the reinforcing rib 24 is accommodated in the guide hole 2311 through the through hole 232, and the side hole 242 is arranged in the guide hole 2311; so that the fixed pin 2312 is inserted into the guide hole 2311 and the side hole 242, so as to fix the reinforcing rib 24, and fix it in the side column 23; locking part 2313 can fix the fixed pin 2312 inserted into the guide hole 2311 and the side hole 242 in the specified position.

[0043] In order to effectively lock the fixing pin 2312, a specific embodiment of a locking mechanism is provided, the locking piece 2313 includes a first elastic piece 2314 and a locking block 2315; the locking block 2315 includes a button part 2316 and a clamping part 2317, the clamping part 2317 is connected with the button part 2316; the button part 2316 and the clamping part 2317 are both components of the locking piece 2313; the side column 23 is provided with a switch hole 233, the button part 2316 is embedded in the switch hole 233 and is rotationally connected with the side column 23, so that the user can press the button part 2316 away from the clamping part 2317, so that the button part 2316 rotates relative to the side column 23, so as to drive the clamping part 2317 away from the fixing pin 2312, thereby achieving the unlocking of the fixing pin 2312. Specifically, the fixing pin 2312 is provided with a pin hole 2319, the pin hole 2319 is used for clamping the clamping part 2317; when one end of the button part 2316 is subjected to an external force, the button part 2316 rotates relative to the side column 23 to drive the clamping part 2317 away from the fixing pin 2312 to disengage from the pin hole 2319, thereby achieving unlocking; after the fixing pin 2312 is disengaged from the pin hole 2319, the first elastic piece 2314 is arranged between the button part 2316 and the side column 23, and the button part 2316 is not subjected to an external force, the first elastic piece 2314 can drive the button part 2316 to reset. The first elastic piece 2314 can be a torsion spring, the two ends of the torsion spring are respectively connected with the side column 23 and the button part 2316, when the button is pressed, the torsion spring has elastic potential energy, when the button is released, the elastic potential energy can drive the torsion spring to reset. Further, the clamping part 2317 is in the shape of a barb, when the fixing pin 2312 is inserted, the fixing pin 2312 first abuts against the outer arc of the hook to drive the clamping part 2317 to move away from the fixing pin 2312, until the clamping part 2317 abuts against the side wall of the fixing pin 2312, continue to drive the fixing pin 2312 until the pin hole 2319 of the fixing pin 2312 is clamped with the clamping part 2317, the button part 2316 is reset to be flush with the end face under the action of the torsion spring. Through the above arrangement of the fixing pin 2312, the reinforcing rib 24 can be fixed between the two side columns 23 through the fixing pin 2312, thereby improving the overall strength, at the same time, through the hidden button and the fixing structure 231, the service life of the fixing structure 231 can be improved, and the product appearance can be improved.

[0044] Due to the hidden design, in order to facilitate the fixed pin 2312 to be taken out, in the embodiment of the utility model, the fixed structure 231 still includes the second elastic piece 2318;The second elastic piece 2318 is arranged between the guide hole 2311 and the fixed pin 2312;Specifically, the fixed pin 2312 still sets up a stepped shaft towards the side of the guide hole 2311, the stepped shaft can be embedded in the second elastic piece 2318, so that the second elastic piece 2318 and the step of the stepped shaft abut, so that the elastic potential can better act on the fixed pin 2312, facilitate the fixed pin 2312 to pop out, and can also play the positioning role of the elastic piece. When the clamping part 2317 is separated from the pin hole 2319, that is, the fixed pin 2312 is unlocked;The second elastic piece 2318 is used to pop out the fixed pin 2312 from the guide hole 2311. The second elastic piece 2318 is a spring.

[0045] It should be noted that, for the foregoing method embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the action sequence described, because according to the utility model, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the utility model.

[0046] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0047] In several embodiments provided by the utility model, it should be understood that the disclosed device can be implemented by other ways. For example, the device embodiments described above are only schematic, for example, the division of units is only a logical function division, and other division manners can be adopted during actual implementation, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical or other forms.

[0048] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they can be located in one place, or can be distributed on multiple network units. According to actual needs, part or all of the units can be selected to achieve the purpose of the embodiment scheme.

[0049] In addition, each function unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically independently, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software function unit.

[0050] If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on such understanding, the technical scheme of the present application or the part that contributes to the prior art or the whole or part of the technical scheme can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a mobile terminal, a server or a network device, etc.) to execute all or part of the steps of the embodiments of the present application.

[0051] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A roadblock, characterized in that The invention relates to a road blocking device, comprising: a cable (1), a blocking mechanism (2) and a limiting assembly (3); the cable (1) can be connected with multiple blocking mechanisms (2) in series; the limiting assembly (3) is connected with the cable (1), and the limiting assembly (3) can limit the blocking mechanism (2) at a specified position; when the blocking mechanism (2) is at a specified road, the blocking mechanism (2) can block vehicles passing through the blocking mechanism; the blocking mechanism (2) comprises at least a triangular pyramid (21).

2. The roadblock of claim 1, wherein, The triangular pyramid (21) is hollow. The triangular pyramid (21) is formed with four triangular end faces, at least one of which is provided with an opening (22), and the triangular pyramid (21) can be stacked through the opening (22).

3. The roadblock of claim 1, wherein, The triangular pyramid (21) comprises six side columns (23) connected end to end. The six side columns (23) are hollowed out to form four openings (22), and any three of the four openings (22) are provided with multiple reinforcing ribs (24). Each reinforcing rib (24) is connected to the adjacent side column (23) on both sides.

4. The roadblock of claim 3, wherein, The reinforcing rib (24) is provided with a sawtooth (241).

5. The roadblock of claim 3, wherein, The side column (23) is provided with a fixing structure (231). The fixing structure (231) comprises a guide hole (2311), a fixing pin (2312) and a locking member (2313). The side column (23) is provided with a penetrating hole (232), and the reinforcing rib (24) is provided with a side hole (242), and the side hole (242) is accommodated in the guide hole (2311) through the penetrating hole (232). The fixing pin (2312) penetrates the guide hole (2311) and the side hole (242) to fix the reinforcing rib (24) to the side column (23). The locking member (2313) can fix the fixing pin (2312) penetrating the guide hole (2311) at a specified position.

6. The roadblock of claim 5, wherein, The locking member (2313) comprises a first elastic member (2314) and a locking block (2315), and the locking block (2315) comprises a button part (2316) and a clamping part (2317), and the clamping part (2317) is connected with the button part (2316). The side column (23) is provided with a switch hole (233), and the button part (2316) is embedded in the switch hole (233) and rotationally connected with the side column (23), and the first elastic member (2314) is arranged between the button part (2316) and the side column (23). The fixing pin (2312) is provided with a pin hole (2319) for clamping the clamping part (2317). When one end of the button part (2316) is subjected to an external force, the button part (2316) rotates relative to the side column (23) to drive the clamping part (2317) to disengage from the pin hole (2319). When the button part (2316) is not subjected to an external force, the first elastic member (2314) can drive the button part (2316) to reset.

7. The roadblock of claim 6, wherein, The fixing structure (231) further comprises a second elastic member (2318); The second elastic member (2318) is arranged between the guide hole (2311) and the fixing pin (2312); When the clamping part (2317) is separated from the pin hole (2319), the second elastic member (2318) is used for ejecting the fixing pin (2312) from the guide hole (2311).

8. The roadblock of claim 1, wherein, The limiting assembly (3) comprises two limiting members (31); The triangular pyramid (21) is provided with a through hole (234) at any one end point, the through hole (234) is used for the inhaul cable (1) to pass through, and the two limiting members (31) are arranged on the two sides of the through hole (234) to limit the triangular pyramid (21) at a specified position.

9. The roadblock of claim 8, wherein, The limiting member (31) comprises a limiting block (311), a bolt (312) and a locking member (313); The limiting block (311) is formed with a insertion hole, the insertion hole can embed the bolt (312) to fix the inhaul cable (1) between the limiting block (311) and the bolt (312); The locking member (313) is connected with the bolt (312) to fix the bolt (312) on the limiting block (311).

10. The roadblock of claim 1, wherein, The distance between the two groups of limiting assemblies (3) is less than a specified distance.

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