CN112373442A

CN112373442A - Stall protection arrester wire device and stall protection device of trackless rubber-tyred vehicle

Info

Publication number: CN112373442A
Application number: CN202011470403.4A
Authority: CN
Inventors: 马龙; 姜万明; 任洪启; 刘铭; 沈怀强; 陈振雄; 王建设; 敬庆升; 魏振振
Original assignee: TAIAN CRESICS MINING EQUIPMENT CO Ltd
Current assignee: TAIAN CRESICS MINING EQUIPMENT CO Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-02-19

Abstract

The invention discloses a stall protection and arrester wire device of a trackless rubber-tyred vehicle and a stall protection device, wherein the stall protection and arrester wire device of the trackless rubber-tyred vehicle comprises: the main support is respectively arranged at the selected positions on the ground at the two sides of the roadway; the swing arms correspond to the main supports one by one and are hinged on the corresponding main supports; the driving mechanism is connected with the swing arm in an output mode, so that the stroke of the swing arm is provided with a first stop point at a blocking position and a second stop point at a releasing position; the arresting cable is supported on the two swing arms and transversely spans a preset arresting roadway ramp; the resetting device is arranged at the main support to reset the swing arm to a first stop point; correspondingly, a cable storage groove is formed in the ground of the roadway, so that the arresting cable is contained in the cable storage groove when the swing arm is positioned at the second stop point. The invention is not easy to solve the problem that the arresting cable cannot be normally in place when a car running accident occurs under the condition that the normal passing of the tunnel vehicles is not influenced.

Description

Stall protection arrester wire device and stall protection device of trackless rubber-tyred vehicle

Technical Field

The invention relates to a trackless rubber-tyred vehicle stall protection arrester wire device, and also relates to a trackless rubber-tyred vehicle stall protection device provided with the trackless rubber-tyred vehicle stall protection arrester wire device.

Background

The chinese patent document CN204488767U and its priority document propose to mount a tail hook (also called a draw hook) on a trackless rubber-tyred vehicle for the first time in China to protect the trackless rubber-tyred vehicle from running accidents. The stop cable for the stall protection of the trackless rubber-tyred vehicle is installed at a selected position of a roadway corresponding to the tail hook installed on the trackless rubber-tyred vehicle, and if the trackless rubber-tyred vehicle has a running accident, the downward tail hook can hook and pull the stop cable, so that the aim of forced deceleration is fulfilled.

In chinese patent document CN204488767U, a mounting manner of a stopper cable is schematically shown, which comprises a part transversely blocked at a predetermined height above the ground of the roadway and a part for connecting with buffers at both sides of the roadway. Although illustrated, the method is also used in some current applications, and has the inherent defect that when the trackless rubber-tyred vehicle is normally passed through, the arrester wire is crushed, so that the arrester wire is damaged, especially when the debris on the roadway ground is large, such as stones, if the stones are just below the crushed arrester wire part, the larger damage of the arrester wire can be caused.

Chinese patent document CN205223912U discloses a barricade device of a stall protection system for a trackless rubber-tyred vehicle, wherein a steel wire rope is one of the barricades, the steel wire rope is connected with two energy absorbers for barricade and energy absorption of the trackless rubber-tyred vehicle, and the part of the steel wire rope crossing the roadway is supported by two guide wheels to have a certain height, so as to facilitate the hooking of a tail hook on the trackless rubber-tyred vehicle. On one hand, the tensioning device enables the steel wire rope part supported by the guide wheel to keep a relatively stable suspended state through tensioning, and therefore the blocking success rate is improved. The arrangement structure of the arresting cable is suitable for the stall protection device of the trackless rubber-tyred vehicle disclosed in the Chinese patent document CN204488767U, and has the defects.

The aforementioned arrangement of the arrester wire is a relatively common arrester wire arrangement, which is denoted as the first implementation, and besides the aforementioned disadvantages, the arrester wire is very easy to hang when, for example, a mine operates a pallet truck or a rack truck in a roadway, and thus causes unnecessary losses.

Along with the popularization and application of the stall protection of the trackless rubber-tyred vehicle and the clear of the state that the stall protection device needs to be configured for the trackless rubber-tyred vehicle besides the rail tramcar and the like, in recent two years, the stall protection device of the trackless rubber-tyred vehicle is greatly developed, and therefore technical personnel in the field also pay more attention. Aiming at the defects of the first realization, the second realization appears in nearly two years, in particular to a stopping cable which utilizes an electromagnet rope skipping device, a groove which transversely penetrates through the ground of a roadway is formed in the position, where the stopping cable is arranged, of the roadway in a matched mode, the stopping cable is normally hidden in the groove below the ground of the roadway, and the phenomenon that a rubber-tyred vehicle rolls or other vehicles are hooked is avoided. When the rubber-tyred vehicle stalls, the electromagnet is electrified, the counter weight of the rope skipping mechanism falls, and the arresting cable bounces to be higher than the ground of the roadway so as to arrest the stalled rubber-tyred vehicle.

However, the second implementation also has some hidden dangers, specifically, because the stall accident is not common, this also means that the arresting cable is hidden under the ground for a long time, for the rapidity of storage, the groove width is much larger than the rope diameter of the steel wire rope, and the roadway belongs to the occasion with more sundries, the groove can be gradually buried by the sundries as the vehicle goes in and out, accordingly, the arresting cable hidden in the groove is easily blocked by the sundries, and once the signal is abnormal, the electromagnet may not work normally, cause rope skipping failure, and the stalled rubber-tyred vehicle which cannot be arrested.

Disclosure of Invention

The invention aims to provide a stall protection arresting cable device of a trackless rubber-tyred vehicle, which solves the problem that an arresting cable cannot be normally positioned when a vehicle running accident occurs under the condition that normal traffic of roadway vehicles is not influenced. The invention also provides a sports car protection device provided with the trackless rubber-tyred vehicle stall protection arrester wire device.

In an embodiment of the invention, a stall protection arrester wire device of a trackless rubber-tyred vehicle is provided, and the basic structure of the stall protection arrester wire device comprises:

the main support is respectively arranged at the selected positions on the ground at the two sides of the roadway;

the swing arms correspond to the main supports one by one and are hinged on the corresponding main supports;

the driving mechanism is connected with the swing arm in an output mode, so that the stroke of the swing arm is provided with a first stop point at a blocking position and a second stop point at a releasing position;

the arresting cable is supported on the two swing arms and transversely spans a preset arresting roadway ramp;

the resetting device is arranged at the main support to reset the swing arm to a first stop point;

correspondingly, a cable storage groove is formed in the ground of the roadway, so that the arresting cable is contained in the cable storage groove when the swing arm is positioned at the second stop point.

Optionally, the swing arm includes a driving arm extending in a reverse direction, and an assembly formed by the driving arm and the swing arm forms a lever with the main support as a hinged support;

the driving mechanism is connected with the driving arm.

Optionally, the driving mechanism is a linear motion mechanism, a seat end of the linear motion mechanism is hinged to the secondary support, and an output end of the linear motion mechanism is hinged to the driving arm.

Optionally, the linear motion mechanism is a linear motor, an electric push rod, a hydraulic cylinder or an air cylinder.

Optionally, the secondary support and the main support which are positioned on the same side of the roadway are fixed on the same seat plate;

correspondingly, the seat board is fixedly installed at the side part of the roadway edge.

Optionally, the main support and the secondary support are positioned in a side groove formed in the side of the roadway.

Optionally, the driving arm and the swing arm are parallel to each other, and the swing arm is offset to the side of the rope storage groove relative to the driving arm;

in the direction perpendicular to the parallel direction, the driving arm and the swing arm have a designed distance.

Optionally, the tail end of the swing arm is provided with a cable buckle, a support ring or a consumable connector;

accordingly, the arrester cord is supported through the support ring;

the arresting cable is locked on the swing arm through a cable buckle; or

The arresting cable is connected to the swing arm through the consumable connecting piece.

Optionally, the cable buckle is a square hole buckle, and the plate surface opposite to the coming vehicle direction is a cable releasing plate;

the cable releasing plate and the rest part of the square hole buckle have set locking force.

Optionally, the main support has two support plates parallel to each other;

a fulcrum shaft is provided, and two ends of the fulcrum shaft are fixedly arranged on the side support plate or are arranged on the two support plates through bearings.

Alternatively, if the fulcrum shaft is fixedly arranged, the swing arm is arranged on the fulcrum shaft through a bearing;

correspondingly, the resetting device is a torsion spring which is sleeved on the fulcrum shaft and acts on the swing arm.

Optionally, a cable retracting and releasing device is provided, a retracting and releasing cable of the cable retracting and releasing device is connected with one end of the arresting cable, so that the arresting cable can be tensioned by adjusting the retracting and releasing amount of the retracting and releasing cable;

accordingly, the connection between the cable takeup and release device and the arrester wire is a connection with a given cable releasing force.

Optionally, the rope retracting device is a rope roller driven by a coil spring, and the retracting rope is wound on the rope roller; or

The retractable rope is a retractable device driven by a motor, and a rope roller matched with the retractable device is used for winding the retractable rope; in addition, a sensor for detecting the position of the swing arm or a part connected with the swing arm into a whole is arranged at the main support.

Optionally, the cable retracting and releasing device is arranged at the upper part of the roadway on one side, and the cable retracting and releasing device is wound to the position connected with the arresting cable through the fixed pulley.

In the embodiment of the invention, the stall protection device provided with the stall protection arresting cable device of the trackless rubber-tyred vehicle is further provided, and the energy absorbers are respectively arranged at the positions, matched with the arresting cables, of the two sides of the roadway;

correspondingly, the rope discharged by the energy absorber is fixedly connected with the corresponding end of the arresting cable.

In the embodiment of the invention, the arresting cable is in the arresting state in a normal state and is recorded as a normally open state, and when a vehicle normally passes through, the driving mechanism drives the swing arm to drive the arresting cable to be lowered to the cable storage groove, so that the normal passing of the vehicle is not influenced. Considering that the sundries entering the storage rope groove are mostly carried out when vehicles pass through, and each time the vehicles pass through, the sundries entering the storage rope groove are much less than those accumulated for a long time, the arresting rope is positioned in the storage rope groove, and after the vehicles pass through, the arresting rope is reset, so that the sundries brought into the storage rope groove when the vehicles pass through can be ejected. Meanwhile, due to the existence of the reset device, the normally open state is maintained, or even if the driving mechanism fails, the generated influence is that the arresting cable cannot be accommodated in the cable storage groove, the state of the device with a fault is equivalent to the conventional arresting cable which is always in the arresting state, the position of the arresting cable is slightly higher than the ground, the influence on the normal passing of the vehicle is small, and the arresting state can be maintained, so that the relative reliability of the use is ensured.

Drawings

Fig. 1 is a schematic front view of an embodiment of a barrier cable opening and closing mechanism in an open state.

Fig. 2 is a schematic top-sectional illustration corresponding to fig. 1.

Fig. 3 is a schematic structural view (closed state) of the installation of the arrester wire opening and closing mechanism on the side portion of the roadway in one embodiment.

Fig. 4 is a schematic top view (closed state) of the structure corresponding to fig. 1.

Fig. 5 is a schematic view (an open state) of an installation structure of the arrester wire opening and closing mechanism on the side portion of the roadway in one embodiment.

Fig. 6 is a schematic view (in an open state) of a stall protection arrester wire device of the trackless rubber-tyred vehicle in an embodiment.

Fig. 7 is a schematic structural diagram (closed state) of the staple food of the stall protection arrester wire device of the trackless rubber-tyred vehicle in one embodiment.

In the figure: 1. the device comprises a seat plate, 2 parts of a main support, 3 parts of a hinge shaft, 4 parts of a support shaft, 5 parts of a linkage arm, 6 parts of a stopping cable, 7 parts of a square hole buckle, 8 parts of a screw, 9 parts of a baffle plate, 10 parts of a cylinder, 11 parts of a hinge shaft, 12 parts of a secondary support, 13 parts of a torsion spring, 14 parts of a bearing, 15 parts of a shaft sleeve, 16 parts of a reset sensor, 17 parts of a side groove, 18 parts of a cable storage groove, 19 parts of a roadway ground, 20 parts of a roadway side wall, 21 parts of a roadway top, 22 parts of an electric retracting device, 23 parts of a fixed pulley, 24 parts of a retracting cable and 25.

Detailed Description

Regarding the stall protection arrester wire device of the trackless rubber-tyred vehicle related to the invention, the following contents need to be clarified firstly:

1. normally open, in any field, means that a controlled component in a device, apparatus or mechanism for limiting is in an open state when no external force intervenes, in other words, the controlled "control" fails, and the normally open state cannot be changed, and the purpose of "control" is to realize, for example, dynamic closing and reverse the "open" state; in the embodiment of the invention shown the arrester wire means is closed or the arrester wire 6 is received in the storage wire groove 18 so that the trackless rubber-tyred vehicle is not obstructed by the arrester wire 6 when passing through the position where the trackless rubber-tyred vehicle stall protection arrester means is provided.

2. The trackless rubber-tyred vehicle stall protection arresting cable device is a main component of the trackless rubber-tyred vehicle stall protection device, and is mainly used for tensioning cables, after arresting the trackless rubber-tyred vehicle, for example, the arresting cables are hooked by a tail hook on the trackless rubber-tyred vehicle, and the arresting cables 6 can be separated from the trackless rubber-tyred vehicle stall protection device, but not rigidly intercepted. Correspondingly, the trackless rubber-tyred vehicle stall protection device is provided with two energy absorbers, and two ends of the arrester wire 6 are respectively connected with one energy absorber. The separated arrester wire 6 is connected with a rope discharged by the energy absorber through a steel wire rope clamp, and accordingly energy consumption and speed reduction are generated on the trackless rubber-tyred vehicle.

3. As described in the background section, the fixed state of the arrester wire 6 arranged in the tunnel in the early stage is the working state, and because the height of the arrester wire is not high, the trackless rubber-tyred vehicle can be directly pressed by the arrester wire without causing excessive influence on the passing of the trackless rubber-tyred vehicle. In the embodiment of the present invention, as described in the item 1, even if the "control" fails, the traffic to the trackless rubber-tyred vehicle is recovered to the fixed state of the conventional arrester wire 6 at most, and at this time, the stall protection function is also provided. The blocked state, by contrast, is not assisted by a special mechanism, but rather is a state that can be fixedly set, and thus the failure is essentially a "control" failure.

It should be noted that, in the embodiment of the present invention, as for item 3, although the movable portion is not limited to "control" itself, it is valuable to be always on simply in the blocking state.

4. When the sundries enter the cable storage groove 18, the occasion is frequently in a closed state, namely, the influence on the normal passing of the trackless rubber-tyred vehicle is reduced, the arresting cable 6 needs to fall into the cable storage groove 18 in advance before the trackless rubber-tyred vehicle arrives, and the sundries which are rolled into the cable storage groove 18 for being wrapped by rubber-tyred rolling are not large in amount relative to long-term accumulation and cannot be repeatedly rolled and compacted, so that the sundries can be easily pushed out when the trackless rubber-tyred vehicle returns through the arresting cable 6.

It is to be appreciated that the arrival timing of trackless rubber-tyred vehicles is a uniformly arranged module in the mine that is incorporated into the coal mine safety system.

5. The trackless rubber-tyred car stall protection arrester wire device is usually arranged at a ramp of an inclined shaft roadway, and the arrester wire 6 is correspondingly transversely arranged.

6. Although the ramp is a surface that is not defined in a horizontal or vertical position, it does not affect the understanding of the art from above to below. Particularly in the illustrated context of the embodiments of the invention, the manner in which the inclined roadway floor 19 is represented in a horizontal state for ease of viewing does not affect the normal understanding of those skilled in the art.

7. It should be noted that maintenance of the sports car guard is at least periodic and even if a small amount of debris remains in the rope storage groove 18, it is easier for the worker to clean it. In particular, the normal state of the arrester cord 6 is the normally open state, without shielding the cord storage groove 18.

In the embodiments of the present invention, unless otherwise specified, the term names are mainly used to distinguish different technical features, and do not impose limitations on the literal or implied scope thereof.

Referring to the attached drawings 1-7 in the specification, the stall protection arrester wire device of the trackless rubber-tyred vehicle comprises a basic structure which comprises a main support 2, a linkage arm 5, a cylinder 10, an arrester wire 6 and a torsion spring 13, is adapted to the closed state of the stall protection arrester wire device of the trackless rubber-tyred vehicle, and is provided with a cable storage groove 18 at a position determined by the rotation of the linkage arm 5 to the roadway floor on the roadway floor 19.

The main support 2 is mainly used for constructing a fixed hinged support, the linkage arm 5 is a composite arm, the linkage arm 5 forms a lever mechanism with the main support 2 as a hinged support point, a driving part of the lever mechanism is hereinafter referred to as a driving arm, and a driven part of the lever mechanism is referred to as a swing arm. The cylinder 10 is the part that pushes the active arm to actuate the lever mechanism. The arresting cable 6 is arranged on the driven arm, and generates lifting action based on the rotation of the linkage arm 5, the lifting action generates a lifting stroke, and two stop points are defined for a component with a fixed stroke in the mechanical field so as to limit the working stroke of the component, wherein when the linkage arm 5 is at one stop point, the arresting cable 6 is in the position of an arresting state; at the other end, the stopper wire 6 is positioned in the wire storage groove 18.

As for the main support 2, it is necessary to match a predetermined arresting position, to determine the position of the main support 2 according to the position of the arresting wire 6 to be laid, and to simultaneously support both ends of the arresting wire 6, one at each end, serving as an arresting portion at the selected position.

In fig. 3, the main support 2 is arranged in the side groove 17, it is understood that since the main support 2 is located at the side, it does not affect the passing of the trackless rubber-tyred vehicle, it can be directly mounted on the roadway floor 19, for example, for a lever mechanism, which itself is designed based on a revolute pair, the position of the main support 2 is relatively high, it does not affect the revolute pair, and it has a slight effect on the flexibility of determining the two dead points of the lever.

It should be noted that the lever mechanism is only an exemplary structure, and the mere use of a swing arm can still satisfy the control of the arresting cable 6 to the working stroke of the supporting component, for example, a swing cylinder is used to drive the swing arm, and the active arm does not need to be assembled.

In contrast, the mounting of the main support 2, which serves as a lever hinge support, in a relatively low position facilitates the stroke design of the linkage arm 5 and the positional mounting of, for example, the cylinder 10.

In the structure shown in fig. 3 and 4, a side groove 17 is formed on the roadway floor 19 on the inner side of the roadway side wall 20, the seat plate 1 shown in the figure is accommodated in the side groove 17 together with the main support 2 and the secondary support 12 which are installed on the seat plate 1, and the position of the main support 2 determines the movement mode of the linkage arm 5 and accordingly determines the position of the rope storage groove 18.

Accordingly, the swing arm is one of the essential parts for supporting the arrester wires 6, also in one-to-one correspondence with the main support 2, and hinged on the respective main support 2, with freedom of rotation about the fulcrum 4 as shown in fig. 1.

The cylinder 10 shown in fig. 1 is provided as a driving mechanism for driving the swing arm to rotate so that the swing arm has a predetermined operating stroke, and accordingly, as the cylinder 10, the swing arm is indirectly connected to the swing arm through the active arm so that the swing arm stroke has a first dead point at the arresting position and a second dead point at the releasing position.

It should be noted that the configuration of the cylinder 10 and linkage arm 5 shown in fig. 1 is an option when the linkage arm 5 has a master arm. If only the swing arm is present, a triangular mechanism can be directly constructed between the cylinder 10 and the swing arm. The push rod of the cylinder 10 is hinged on the swing arm, and the cylinder body of the cylinder 10 is hinged on the frame, such as a secondary support 12.

For the drive of the swing arm, depending on its motion form, its motion form is rotation, specifically swing within the designed stroke, for this reason, the drive mechanism that adapts can be the device of direct output swing, for example the swing cylinder, can select pneumatic swing cylinder, also can select hydraulic swing cylinder. It is also possible to use a device which directly outputs the rotation, such as an electric motor, a pneumatic motor or a hydraulic motor.

The cylinder 10 shown in fig. 1 is a typical direct-acting component, and the cylinder 10 is characterized by a high response speed and does not cause contamination even if leakage occurs. Instead, a hydraulic cylinder is used, which has a slow response speed, but is relatively smooth and has a high power density relative to the cylinder 10. The disadvantage is that the hydraulic oil is somewhat contaminated if a leak occurs. The person skilled in the art can select suitable translatory elements accordingly.

As a further alternative, the cylinder 10 may be directly replaced by a linear motor.

The arresting cable 6 is supported on the two swing arms and can be connected or only directly supported, and when the arresting cable 6 is connected, the connection strength is as small as possible under the condition that the lifting strength of the arresting cable 6 is met, so that the swing arms and the driving mechanism of the arresting cable cannot be greatly damaged when the trackless rubber-tyred vehicle is arrested.

It will be appreciated that the arrester cable 6 is required to cross a predetermined arresting roadway ramp to protect the trackless rubber-tyred vehicle running on the respective roadway ramp.

Regarding the selection of the arrester wire 6, currently, a mining steel wire rope is used more, and a steel strand can also be used in some implementations. As technology advances, organic matter ropes are becoming increasingly stronger towards steel ropes, even beyond, for example high strength nylon umbrellas, and in some implementations organic matter ropes of comparable strength may also be used.

In addition, as mentioned above, based on the concept of the present invention, the stall protection arrester wire device of the trackless rubber-tyred vehicle should be able to maintain a normally open state without external force intervention, and for this purpose, a restoring device is provided, which is provided at the main support 2 to restore the swing arm to the first dead point, such as the torsion spring 13 shown in fig. 2.

In particular, in the mechanical field, devices for resetting are generally implemented by using devices that do not require external power intervention, and are mostly passive type devices, and generally, resetting of target components can be implemented by using self gravity, object bearing pressure, parts with deformation restoring force, the devices themselves, and the like. In the embodiment of the invention, however, the master type, i.e. the return by means of an external power machine, is not excluded.

As can be seen from fig. 3, the width of the storage groove 18 is not large relative to the diameter of the arrester cord 6, and in general the storage groove 18 is such that the arrester cord 6 is just as easily accessible, and the groove edges have a rounding or chamfer to facilitate the introduction of the arrester cord 6.

As a further consideration, the influence of factors such as assembly accuracy, operating conditions, etc. on the dimensions of the components, a margin is added to the dimensioning of the storage tank 18 as described in the preceding paragraph, whereby a person skilled in the art can easily determine the appropriate dimensioning of the storage tank 18.

Accordingly, when the swing arm is at the second dead center, the arresting cable 6 is accommodated in the cable storage groove 18.

In some embodiments, the swing arm may form the movable member of a triangular mechanism, and in the configuration shown in fig. 1 and 3, the swing arm forms the driven portion of a lever in a lever mechanism, in contrast, the driving portion of the lever, i.e., the driving arm, is located on the opposite side of the fulcrum 4 from the driven portion, and if the swing arm extends in one direction from the fulcrum 4, the driving arm extends in the opposite direction.

It should be understood that reversing does not mean that two members or structures extending in opposite directions are aligned, as in the north-south direction, and that the north and south do not have absolute alignment reversal.

If the included middle section is taken as a reference surface, the active arm and the swing arm on the linkage arm 5 are substantially parallel to each other, and a corner part is formed at the position with the branch shaft hole, so that the structure that the moment applied to the active arm by the air cylinder 10 is always relatively large is easily constructed.

In particular, the swing arms are offset relative to the active arms on the side of the storage tray 18 in mutually parallel and perpendicular directions.

Further, in the direction perpendicular to the parallel direction, there is a design distance between the driving arm and the swing arm. The design distance here takes into account the aforementioned problem of the amount of torque exerted by, for example, the cylinder 10. It is obvious that the design distance should not be too large, which would result in too deep side grooves 17.

Further, the assembly of the driving arm and the swing arm forms a lever, namely a linkage arm 5 shown in fig. 1, the linkage arm 5 takes the main support 2 as a hinged support, and a shaft matched with the hinged support is a fulcrum 4 shown in fig. 1.

Accordingly, when an active arm is provided, the drive mechanism should be connected to the active arm.

In the foregoing description and in the selection of the direct-acting component, the direct-acting component generally includes a direct-acting mechanism, and the direct-acting mechanism may include a power machine, such as a linear motor, or may be attached to the power machine, and is introduced by a motive power member of the direct-acting mechanism.

In a preferred embodiment, the use of electrical equipment is reduced, using for example a pneumatic cylinder 10 or a hydraulic cylinder, thereby reducing the explosion point. Meanwhile, for example, the cylinder 10 has a fast response speed, the used medium is air, no pollution is caused, and although the noise is relatively large, the noise can be ignored in the environment of factories and mines.

The cylinder 10, the hydraulic cylinder, is a typical component which can be understood as a sliding pair as a whole, and has a push rod and a cylinder, which can have a reaming so that its two ends, in particular the head end of the push rod, and the tail end of the cylinder can be assembled in an articulated manner.

Correspondingly, the push rod of the cylinder 10 is hinged with the driving arm, and the tail end of the cylinder barrel is hinged with the secondary support 12 shown in fig. 1.

The main support 2 and the secondary support 12 in fig. 1 are typical fixed hinged supports, and the main support 2 and the secondary support 12 can be independently fixed and can be fixed at selected positions on the roadway floor 19 by means of anchoring, for example.

In contrast, when the main support 2 and the sub support 12 are fixed in a construction environment and a place where construction accuracy is not high, respectively, it is difficult to ensure the positional accuracy between the main support 2 and the sub support 12. For this purpose, in the configuration shown in fig. 1, the main support 2 and the secondary support 12 have a common seat plate 1, and the main support 2 and the secondary support 12 can be fixed to the seat plate 1 at the factory stage by means of a detachable connection, for example a screw connection, or by means of a non-detachable connection, for example a rivet connection or a welded connection.

Bedplate 1 can be installed on the scene, specifically, opens for example anchor bolt hole in advance on bedplate 1, and cast in advance the concrete on the scene forms the fixed body, and the anchor bolt is pre-buried to be gone into the fixed body, and bedplate 1 is installed through anchor bolt cooperation nut.

In addition, the seat plate 1 is located at the side part of the roadway in terms of position relation, and belongs to a position which is not easy to be directly pressed or touched by a coming and going trackless rubber-tyred vehicle.

With regard to the construction between the swing arm and the arrester cord 6, as previously mentioned, in a preferred embodiment, when a sports car accident occurs, the tail hook of the trackless rubber-tyred vehicle should be able to hook the arrester cord 6, and then one energy absorber connected to each of the two ends of the arrester cord 6 is operated to perform energy-consuming deceleration of the trackless rubber-tyred vehicle. The swing arm and other facilities can be used after once blocking, so that the structure with less damage to the swing arm during blocking, namely the structure between the swing arm and the arresting cable 6, is considered.

In particular, the end of the swing arm is provided with a cable buckle, a support ring or a consumable connector, wherein the cable buckle is mainly used for fixing the arresting cable 6 on the swing arm, and a wire rope clamp can be adopted for example. The support ring is equivalent to a loose joint, the arresting ropes penetrate through the self-supporting ring, and the arresting ropes 6 are tensioned by an energy absorber or other tensioning devices which are arranged independently. For the consumable connecting piece, the consumable connecting piece can be an iron wire, the arresting cable is bound to the tail end of the swing arm through the iron wire, after the arresting cable 6 is hooked by the tail hook, the iron wire is broken, and after the arresting cable 6 is started again, the consumable connecting piece can be bound through the steel wire rope.

If the connection between the swing arm and the arrester cord 6 is referred to as a light connection, the connection force of the light connection should be less than the destructive force of the swing arm and its supporting structure, and should at the same time be sufficient to enable a reliable support of the arrester cord 6 for a proper lifting of the arrester cord 6.

It should be noted that the support ring and the grommet may be considered the same in some cases, as the support ring simultaneously has the function of clamping, for example, the arresting cable 6, i.e. the grommet itself. In particular, in some implementations, the grommet may also take into account another factor, namely that the portion of the grommet that is used to restrain the target piece is openable, referred to as the grommet on an openable basis, and is not limited in its use as a ring.

In the configuration shown in fig. 1, the linkage arm 5 has a square hole 7 at the upper end in fig. 1, the cross-sectional area of which is much larger than that required for the jaws, which can be understood as a loop in nature, but referring to fig. 3, the arrow in fig. 3 indicates the downward direction of the trackless rubber-tyred vehicle, and when the arrester wire 6 is hooked by the tail hook and a certain force is applied to the square hole 7, the arrester wire 6 should be released from the square hole 7. Therefore, the plate surface of the square hole buckle 7 opposite to the coming direction is a rope releasing plate, and when the arresting rope 6 is hooked and impacts the rope releasing plate, the rope releasing plate can smoothly release the arresting rope 6.

Correspondingly, a set locking force is provided between the cable releasing plate and the rest part of the square hole buckle 7, specifically, in fig. 1, the square hole buckle 7 is formed by bending a strip plate, in fig. 1, the lower panel of the square hole buckle 7 can be welded at the upper end of the linkage arm 5 in fig. 1, the cable releasing plate is the right panel of the square hole buckle 7, and can be separated from the upper panel of the square hole buckle 7 or connected by using a screw, the locking force depends on the connecting force of the screw and the rigidity between the cable releasing plate and the bottom panel, and the rigidity design of the square hole buckle 7 is easily performed by those skilled in the art.

In order to improve the reliability of the support, the fulcrum 4 is supported at two ends, and accordingly, the main support 2 has two support plates parallel to each other, and two ends of the fulcrum 4 are connected with the support plates at the corresponding ends, and the connection can be a fixed connection or a rotating connection, and is preferably a fixed connection.

If the rotary connection is adopted, the fulcrum shaft 4 is required to be arranged on the support plate through a bearing, and the fulcrum shaft 4 forms a rotating shaft; the fulcrum 4 constitutes a fixed shaft if fixedly connected. Correspondingly, if the fulcrum 4 forms a rotating shaft, the fulcrum is fixedly connected with the linkage arm 5, and if the fulcrum 4 forms a fixed shaft, the linkage arm 5 and the fulcrum 4 need to be assembled by using a bearing 14, for example.

As mentioned above, the return means can be a torsion spring 13, and in the configuration shown in fig. 2, the torsion spring 13 is fitted around the fulcrum 4 and acts on the swing arm. A torsion spring generally has two arms, one of which is supported on a relatively stationary component, such as a fixedly arranged pivot shaft 3, a support plate or another relatively stationary component, and the other of which is directly connected to the pivot arm.

For one swing arm, two torsion springs 13 may be provided, one on each side of the swing arm.

In the configuration shown in fig. 2, a torsion spring 13 is provided for one of the swing arms, and a bushing 15 disposed opposite the torsion spring 13 is supported against the other side of the linkage arm in order to allow the swing arm to be substantially centered on the fulcrum 4.

As mentioned above, the arrester cord 6 needs to be tensioned, and the tensioning may be performed by an independent tensioning device, or by a manner of fixedly connecting the arrester cord 6 and the linkage arm 5. And in some embodiments, a retraction device is provided having a retraction cable 24 attached to one end of the arrester cord 6 to enable tensioning of the arrester cord 6 by adjusting the amount of retraction of the retraction cable 24.

The tension of the arrester cord 6 is dependent on the deployment of the deployment cord 24, which may be determined by the tension experienced by the deployment cord 24.

Accordingly, the connection between the cable takeup and payoff device and the arrester wire 6 is a connection with a given cable releasing force.

In some embodiments, the rope retracting device is a rope roller driven by a coil spring, and the rope retracting roller is wound with the retracting rope, so that automatic tightening can be realized.

In other embodiments, the retractable cord 24 is a motor-driven retractor, such as the motorized retractor 22 shown in FIG. 6, and accordingly, a cord roller associated with the retractor is used to wind the retractable cord 24; suitably, at the main support 2, there is provided a sensor for detecting the position of the swing arm or of a part connected integrally thereto, such as a reset sensor 16 shown in fig. 2.

In the structure shown in fig. 6, the electric retractor 22 is provided on the upper part of one side of the roadway, and the retractable rope 24 is reeved to a position connected to the arrester wire 6 through the fixed pulley.

Claims

1. The utility model provides a trackless rubber-tyred car stall protection halter device which characterized in that includes:

2. The stall protection arrester wire device of a trackless rubber-tyred vehicle of claim 1, wherein the swing arm comprises a main driving arm extending in opposite directions, and an assembly formed by the main driving arm and the swing arm forms a lever with the main support as a hinged support;

the driving mechanism is connected with the driving arm.

3. The stall protection arrester cord device of a trackless rubber-tyred vehicle of claim 2, wherein the driving mechanism is a linear motion mechanism, a seat end of the linear motion mechanism is hinged to the secondary seat, and an output end is hinged to the driving arm.

4. The stall protection arrester wire apparatus of a trackless rubber-tyred vehicle of claim 3, wherein the linear motion mechanism is a linear motor, an electric push rod, a hydraulic cylinder or an air cylinder.

5. A trackless rubber-tyred vehicle stall protection arrester wire apparatus as claimed in claim 3 or 4, wherein the secondary support and the primary support located on the same side of the roadway are fixed to the same seat plate;

6. The stall protection arrester cord device of a trackless rubber-tyred vehicle of claim 5, wherein the primary mount and the secondary mount are located in side grooves formed in the sides of the roadway.

7. The stall protection arrester wire device of the trackless rubber-tyred vehicle of claim 2, wherein the active arm and the swing arm are parallel to each other, and the swing arm is offset to the side of the cable storage groove relative to the active arm;

8. The stall protection arrester wire device of the trackless rubber-tyred vehicle of claim 1, wherein the tail end of the swing arm is provided with a cable buckle, a support ring or a consumable connector;

accordingly, the arrester cord is supported through the support ring;

the arresting cable is locked on the swing arm through a cable buckle; or

9. The stall protection arrester wire device of the trackless rubber-tyred vehicle of claim 8, wherein the cable buckle is a square hole buckle, and the surface of the plate opposite to the incoming direction is a cable releasing plate;

10. A trackless rubber-tyred vehicle stall protection arrester wire apparatus as claimed in claim 1, wherein the main carrier has two carrier plates parallel to each other;

11. A trackless rubber-tyred vehicle stall protection arrester wire apparatus as claimed in claim 10, wherein if the fulcrum is fixedly arranged, the swing arm is mounted on the fulcrum via a bearing;

12. The stall protection arrester cord device of a trackless rubber-tyred vehicle according to claim 1, wherein a cable retracting device is provided, a retracting cable of the cable retracting device being connected to one end of the arrester cord to enable tensioning of the arrester cord by adjusting the retracting amount of the retracting cable;

13. The stall protection arrester cord device of a trackless rubber-tyred vehicle of claim 12, wherein the cable takeup and retraction device is a cord roller driven by a coil spring, and the cord roller is wound with the retractable cable; or

14. The stall protection arrester cord device of a trackless rubber-tyred vehicle of claim 13, wherein the cable retraction device is arranged on the upper portion of a roadway on one side, and the cable retraction device is wound to a position connected with the arrester cord through a fixed pulley.

15. A stall protection device provided with a stall protection arrester wire device of a trackless rubber-tyred vehicle as claimed in any one of claims 1 to 14, wherein an energy absorber is respectively arranged at the two sides of a roadway and at the positions matched with the arrester wires;