CN220538509U - Double-beam explosion-proof gate rod and explosion-proof barrier gate - Google Patents

Abstract

The utility model discloses a double-beam explosion-proof gate rod and an explosion-proof gate; the device comprises a first sub-rod and a second sub-rod, wherein the first sub-rod is positioned on the upper side of the second sub-rod, a connection assembly is arranged between the second end of the first sub-rod and the second end of the second sub-rod, the first end of the connection assembly is hinged with the second end of the first sub-rod, and the second end of the connection assembly is hinged with the second end of the second sub-rod; in the utility model, the second ends of the first and second sub-rods are connected through the connecting component, the connecting component comprises the first connecting side plate and the second connecting side plate, the first ends of the first connecting side plate and the second connecting side plate are hinged to the outer sides of the second ends of the first sub-rods, and the second ends of the first connecting side plate and the second connecting side plate are hinged to the outer sides of the second ends of the second sub-rods, so that the structural strength of connection between the second ends of the first sub-rods and the second sub-rods can be improved, shaking and the like when the second ends of the first sub-rods and the second sub-rods are connected can be avoided, and the explosion-proof effect of the gate rod can be improved.

Description

Double-beam explosion-proof gate rod and explosion-proof barrier gate

Technical Field

The utility model relates to the technical field of banisters, in particular to a double-beam explosion-proof brake rod and an explosion-proof banister.

Background

The gateway is generally used for a gateway management device for limiting the running of motor vehicles on roads, and is widely applied to a road toll station and a parking lot system for managing vehicle tunnels and managing the access of vehicles. The barrier gate is generally composed of a host case, a motor, a gate rod, a controller, a sensor and the like, and the motor controls the lifting of the gate rod, so that the traffic of people and vehicles is limited, and intelligent control is realized through the controller and the sensor. In daily use, the barrier gate is often matched with a license plate recognition system, a radar, a remote controller, management software and the like for use, so that intelligent management such as unmanned on duty and the like is realized more conveniently.

In the prior art, the brake lever comprises a first sub-lever at the upper side and a second sub-lever at the lower side, wherein the first sub-lever is connected with the motor, and the first sub-lever and the second sub-lever are connected through a connecting rod, so that the second sub-lever is linked with the first sub-lever. The mode makes the connection strength of the first sub-rod and the second sub-rod lower, and cannot play a good role in explosion prevention.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a double-beam explosion-proof brake rod, which solves the problems that the connection strength of a first sub-rod and a second sub-rod is lower and a better explosion-proof effect cannot be achieved.

In order to solve the technical problems, the technical scheme adopted by the utility model is to provide the double-beam explosion-proof brake rod, which comprises a first sub rod and a second sub rod, wherein the first sub rod is positioned on the upper side of the second sub rod, the first end of the first sub rod is used for connecting a driving rotating shaft, the first end of the second sub rod is used for hinging a connecting shaft, a connecting component is arranged between the second end of the first sub rod and the second end of the second sub rod, the first end of the connecting component is hinged with the second end of the first sub rod, and the second end of the connecting component is hinged with the second end of the second sub rod; the linking assembly comprises a first linking side plate and a second linking side plate, wherein the first ends of the first linking side plate and the second linking side plate are hinged to the outer side of the second end of the first sub-rod, the second ends of the first linking side plate and the second linking side plate are hinged to the outer side of the second end of the second sub-rod, and the second ends of the first sub-rod and the second sub-rod are connected through the first linking side plate and the second linking side plate.

In an embodiment, the first engaging side plate and the second engaging side plate have the same structure, and the first engaging side plate and the second engaging side plate are symmetrically arranged with a center line therebetween.

In an embodiment, the first connecting side plate comprises a first vertical portion, a bending portion and a second vertical portion, wherein the first vertical portion, the bending portion and the second vertical portion are sequentially connected from top to bottom, the first vertical portion is used for being connected with the second end of the first sub-rod, the bending portion extends towards the direction close to the second connecting side plate, and the second vertical portion is used for being connected with the second end of the second sub-rod.

In an embodiment, the lower part of linking subassembly is provided with the linking gusset plate, and the linking gusset plate is U-shaped structure, and the both sides panel of linking gusset plate is fixed respectively on the medial surface of first linking curb plate and second linking curb plate, and the linking gusset plate is used for strengthening the joint strength of first linking curb plate and second linking curb plate.

In an embodiment, first sub-pole and second sub-pole are hollow structure, are provided with first left fixed axle in the first end of first sub-pole, are provided with first right fixed axle in the second end of first sub-pole, are connected with the first explosion-proof spare that has toughness between first left fixed axle and the first right fixed axle, are provided with the second left fixed axle in the second end of second sub-pole, are provided with the second right fixed axle in the second end of second sub-pole, are connected with the second explosion-proof spare that has toughness between second left fixed axle and the second right fixed axle, and first explosion-proof spare and second explosion-proof spare are used for increasing the shock resistance toughness of first sub-pole and second sub-pole respectively.

In an embodiment, the first left fixing shaft is longitudinally penetrating through the second end of the first sub-rod, the first left fixing shaft extends out of the first sub-rod and is respectively connected with the first end of the first connecting side plate and the first end of the second connecting side plate, the second left fixing shaft is longitudinally penetrating through the second end of the second sub-rod, the second sub-rod extends out of two ends of the second left fixing shaft and is respectively connected with the second ends of the first connecting side plate and the second connecting side plate.

In an embodiment, the first explosion-proof member and the second explosion-proof member are elongated structures with toughness, including steel wire ropes, nylon ropes, chains or belts.

In an embodiment, the two ends of the first explosion-proof piece and the second explosion-proof piece are respectively provided with a locking piece, and the locking pieces are used for locking the ends of the first explosion-proof piece and the second explosion-proof piece.

The utility model also provides an explosion-proof barrier gate, which comprises the double-beam explosion-proof gate rod.

The beneficial effects of the utility model are as follows: in the utility model, the second ends of the first and second sub-rods are connected through the connecting component, the connecting component comprises the first connecting side plate and the second connecting side plate, the first ends of the first connecting side plate and the second connecting side plate are hinged to the outer sides of the second ends of the first sub-rods, and the second ends of the first connecting side plate and the second connecting side plate are hinged to the outer sides of the second ends of the second sub-rods, so that the structural strength of connection between the second ends of the first sub-rods and the second sub-rods can be improved, shaking and the like when the second ends of the first sub-rods and the second sub-rods are connected can be avoided, and the explosion-proof effect of the gate rod can be improved.

Drawings

FIG. 1 is a schematic view showing a structure of a brake lever when it is dropped according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a brake lever when raised according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the right side of the chassis according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a chassis according to an embodiment of the present utility model;

FIG. 5 is a left side view of a chassis according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a base according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of an exploded construction of an active tank according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a driving mechanism according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a transmission assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic view of an exploded construction of an auxiliary tank according to an embodiment of the present utility model;

FIG. 11 is a schematic view of an assist mechanism according to an embodiment of the utility model;

FIG. 12 is a schematic view of a structure of a brake lever according to an embodiment of the present utility model;

FIG. 13 is a schematic view of an exploded construction of a brake lever according to an embodiment of the present utility model;

FIG. 14 is a schematic top view of a brake lever according to one embodiment of the present utility model;

FIG. 15 is a schematic view of the cross-sectional structure in the direction B-B in FIG. 14;

FIG. 16 is a schematic view of a connection mechanism according to an embodiment of the present utility model;

FIG. 17 is a schematic view of the structure of an extension according to an embodiment of the present utility model;

FIG. 18 is a schematic view of a splice component according to one embodiment of the present utility model;

FIG. 19 is a schematic view showing a structure of a supporting frame according to an embodiment of the present utility model;

FIG. 20 is a schematic left-hand view of a support stand according to an embodiment of the utility model;

FIG. 21 is a schematic view of an exploded view of a support stand according to an embodiment of the present utility model;

FIG. 22 is a schematic view of a first support according to an embodiment of the utility model;

FIG. 23 is a schematic view of a second support according to an embodiment of the utility model;

fig. 24 is a schematic view of a structure of a supporting riser according to an embodiment of the present utility model.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

For the description of the present utility model, the labels "front", "rear", "up", "down", "left" and "right" shown in fig. 1 are used for non-limiting purposes to facilitate understanding of this embodiment and are not intended to limit the present utility model. Wherein, the front-back direction represents the longitudinal direction, the left-right direction represents the transverse direction, and the up-down direction represents the vertical direction.

Fig. 1-24 show an embodiment of an explosion barrier according to the present utility model, which comprises a case 1, a gate bar 2 and a supporting frame 3, wherein a first end of the gate bar 2 is connected with the case 1, a second end of the gate bar 2 is mounted on the supporting frame 3, and the case 1 is used for driving the gate bar 2 to lift and drop.

In an embodiment, as shown in fig. 1-5, a chassis 1 includes a driving case 11 and an auxiliary case 12, a driving mechanism 111 is disposed in the driving case 11, an auxiliary mechanism 121 is disposed in the auxiliary case 12, a driving rotating shaft 123 is disposed between the driving mechanism 111 and the auxiliary mechanism 121, a first end of the driving rotating shaft 123 is connected with the driving mechanism 111, a second end of the driving rotating shaft 123 is connected with the auxiliary mechanism 121, a middle part of the driving rotating shaft 123 is connected with a brake bar 2, and the driving mechanism 111 is used for driving the brake bar 2 to rise and fall through the driving rotating shaft 123.

The lower end between the driving box 11 and the auxiliary box 12 is provided with a reinforcing seat 13, and the reinforcing seat 13 is used for improving the connection strength of the lower parts of the driving box 11 and the auxiliary box 12.

At least one connecting plate 14 is arranged on the side surface of the driving box 11 and the auxiliary box 12, which is far away from the brake lever 2, and the connecting plate 14 is used for improving the connection strength of the side surfaces of the driving box 11 and the auxiliary box 12.

In one embodiment, as shown in fig. 6, the lower ends of the driving case 11 and the auxiliary case 12 are provided with a base 16, and the driving case 11 and the auxiliary case 12 each include a case 15, the case 15 being provided on the base 16, and the case of the driving case 11 and the case of the auxiliary case 12 being symmetrically provided with a center line therebetween. The driving mechanism 111 and the assist mechanism 121 are each provided in the housing 15. The housing 15 includes a main body frame 151, a side door 152, and a top cover 153; the top cover 153 is disposed at an upper end of the main body frame 151; the main body frame 151 is an integral structure, one side surface of the main body frame 151 is provided with an opening, and the side door 152 is buckled at the opening of the main body frame 151. The side door 152 is conveniently opened to perform maintenance on the drive mechanism 111 within the housing 15.

In the utility model, the shell 15 of the driving box 11 and the auxiliary box 12 are arranged on the same base 16, the base 16 is firmly fixed, the shell 15 can be well fixed, and the shell 15 comprises a main body frame 151, a side door 152 and a top cover 153; the main body frame 151 is provided as an integral structure, so that the overall structural strength of the housing 15 can be improved, the assembling process can be reduced, and the mounting efficiency can be improved. The explosion-proof effect is improved.

The base 16 is provided with a plurality of fixing bolts 17, and the fixing bolts 17 are used for fixing the chassis 1. The lower end of the fixing bolt 17 is hooked. This can improve the fixing effect on the casing 1 and ensure the fixing firmness of the casing 1.

The left panel 1512 and the right panel 1513 of the main body frame 151 are each provided with a support rib 1514, and the support ribs 1514 are used for supporting the fixed driving mechanism 111 or the auxiliary mechanism 121. Thereby, the stability of the fixation of the driving mechanism 111 and the assist mechanism 121 can be ensured.

In an embodiment, as shown in fig. 7 and 8, a first bearing seat 1113 is disposed in the driving case 11, the first bearing seat 1113 is fixed on the support ribs 1514 on the left panel 1512 and the right panel 1513, and the first bearing seat 1113 is movably connected with the driving shaft 123. Specifically, the first bearing seat 1113 is provided with a bearing, an inner ring of the bearing is fixedly connected with the driving shaft 123, and an outer ring of the bearing is fixedly connected with the first bearing seat 1113, so that the driving mechanism 111 can rotate on the first bearing seat 1113 in the process of driving the driving shaft 123 to rotate, and the first bearing seat 1113 provides support for the driving shaft 123.

In one embodiment, as shown in fig. 7-9, the driving mechanism 111 includes a controller (not shown), a driving member 1111 and a transmission component 1112, wherein the driving member 1111 can be a driving motor or a combination of the driving motor and a speed reducer. The controller is electrically connected with the driving motor and is used for supplying power to the driving motor and controlling the rotation direction, the rotation speed and the like of the rotating shaft of the driving motor.

The rotating shaft of the driving motor is connected with a speed reducer, and the output shaft of the speed reducer is further connected with a transmission assembly 1112. As shown in fig. 9, the transmission assembly 1112 includes a first transmission rod 11121, a second transmission rod 11123, and a third transmission rod 11124, a first end of the first transmission rod 11121 is provided with a transmission connection hole 11122 for connecting an output shaft, a second end of the first transmission rod 11121 is connected to a first end of the second transmission rod 11123, a second end of the second transmission rod 11123 is connected to a first end of the third transmission rod 11124, and a first driving connection hole 11125 for connecting the driving shaft 123 is further provided on the third transmission rod 11124. When the controller controls the driving motor to be electrified, the output shaft of the speed reducer starts to rotate, and drives the first transmission rod 11121 to the third transmission rod 11124 to rotate, and the third transmission rod 11124 drives the driving rotating shaft 123 to rotate in the rotating process, so that the driving rotating shaft 123 is connected with the brake rod 2, and the brake rod 2 can be lifted or lowered.

In one embodiment, as shown in fig. 10 and 11, the auxiliary box 12 is provided with a second bearing 122 movably connected to a driving shaft 123 inside; specifically, a bearing is installed on the second bearing pedestal 122, an inner ring of the bearing is fixedly connected with the driving rotating shaft 123, an outer ring of the bearing is fixedly connected with the second bearing pedestal 122, the driving rotating shaft 123 can rotate on the second bearing pedestal 122, and the second bearing pedestal 122 also provides support for the driving rotating shaft 123.

In the present utility model, the middle part of the driving shaft 123 is connected to the brake lever 2, and both ends of the driving shaft 123 are respectively and correspondingly connected to the first bearing seat 1113 in the driving case 11 and the second bearing seat 122 in the auxiliary case 12, and the stability of the rotation of the driving shaft 123 can be improved by such two-point support.

The auxiliary mechanism 121 includes a fourth transmission rod 1211, the fourth transmission rod 1211 is disposed on the inner side of the second bearing seat 122, and a second driving connection hole for connecting the driving shaft 123 is disposed on the fourth transmission rod 1211.

Since the lifting of the brake lever 2 is achieved by driving the driving shaft 123 by the third transmission rod 11124, if the initial speed of the third transmission rod 11124 is too high, the brake lever 2 will be started suddenly when starting to lift or descend, resulting in poor stability and also reducing the overall service life of the brake lever 2.

In order to solve the above-mentioned technical problem, in an embodiment, as shown in fig. 8 and 11, the driving mechanism 111 and the auxiliary mechanism 121 are connected with a traction mechanism 18, the traction mechanism 18 is correspondingly disposed in the driving case 11 and the auxiliary case 12, and the traction mechanism 18 includes a traction rod 181 and a traction spring 182. The first end of the traction rod 181 in the driving box 11 is connected with the second end of the third transmission rod 11124, the second end of the traction rod 181 is connected with the top of the traction spring 182, and the bottom of the traction spring 182 is fixed on the base 16. The first end of the traction rod 181 in the auxiliary case 12 is connected with one end of the fourth transmission rod 1211, the second end of the traction rod 181 is connected with the top of the traction spring 182, and the bottom of the traction spring 182 is also fixed on the base 16.

When the driving shaft 123 rotates, the third transmission rod 11124 pulls the traction spring 182 through the traction rod 181 in the rotating process, the traction spring 182 generates a pulling force after being pulled, the pulling force direction is opposite to the rotating direction of the third transmission rod 11124, the initial speed of the third transmission rod 11124 is prevented from being excessively high, the fourth transmission rod 1211 pulls the traction spring 182 through the traction rod 181 in the rotating process, the traction spring 182 generates a pulling force after being pulled, and the pulling force direction is opposite to the rotating direction of the fourth transmission rod 1211. The traction mechanism 18 can act as a buffer to avoid the third transfer bar 11124 from producing a large initial velocity. The speed of the brake bar 2 during lifting is kept constant as much as possible, the lifting stability of the brake bar 2 is enhanced, and the service life of the brake bar 2 is prolonged.

In one embodiment, the brake lever 2 includes a first sub-lever 21, a first end of the first sub-lever 21 is connected to the driving shaft 123, and a second end is mounted on the support frame 3 after falling.

In an embodiment, as shown in fig. 12-15, the first sub-rod 21 includes a rod body 211 and a reinforcing member 212, the rod body 211 is in a hollow structure, the reinforcing member 212 is disposed in a first end of the rod body 211, the driving shaft 123 is disposed in the first end of the rod body 211 and the reinforcing member 212, and the reinforcing member 212 is used for improving the connection strength between the first sub-rod 21 and the driving shaft 123, so as to ensure the firmness of the first sub-rod 21.

The length of the reinforcement 212 is 1/4-2/3 of the length of the rod body 211, so that the joint of the first sub-rod 21 and the driving rotating shaft 123 can be ensured to have higher structural strength, and the weight of the first sub-rod 21 is prevented from being increased due to overlong reinforcement 212.

In one embodiment, the cross-section of the stiffener 212 is adapted to the shape of the inner cross-section of the first sub-rod 21.

In one embodiment, the stiffener 212 includes two U-shaped plates disposed opposite the opening, one of the U-shaped plates being laterally disposed on the front side within the first sub-rod 21 and the other U-shaped plate being laterally disposed on the rear side within the first sub-rod 21, thereby enabling easy installation of the stiffener 212.

In an embodiment, as shown in fig. 11 and 12, an outer link 213 is sleeved on the outer side of the first end of the first sub-rod 21, and a bolt vertically passes through the outer link 213, the first sub-rod 21 and the reinforcement 212 to fixedly connect the outer link 213, the first sub-rod 21 and the reinforcement 212. Outer link 213 serves to improve the coupling strength of rod body 211 and reinforcing member 212.

In one embodiment, as shown in fig. 11 and 12, the outer link 213 includes a front link plate 2131 and a rear link plate 2132, and the outer link 213 is formed by combining the front link plate 2131 and the rear link plate 2132. The front and rear yoke plates 2131 and 2132 each include a vertically disposed intermediate portion 21311, and upper and lower plate portions 21312 and 21313 disposed longitudinally at the upper and lower ends of the intermediate portion 21311. The edge of the upper plate portion 21312 of the front yoke plate 2131 is provided with at least one clamping groove 21314, the edge of the upper plate portion 21312 of the rear yoke plate 2132 is provided with a clamping protrusion 21315 adapted to the clamping groove 21314, the edge of the lower plate portion 21313 of the front yoke plate 2131 is provided with at least one clamping protrusion 21315, the edge of the lower plate portion 21313 of the rear yoke plate 2132 is provided with a clamping groove 21314 adapted to the clamping protrusion 21315, and the front yoke plate 2131 and the rear yoke plate 2132 are connected through the clamping protrusion 21315 and the clamping groove 21314, so that the connection strength of the outer yoke 213 can be improved, and the convenience of connecting the outer yoke 213 can be improved.

A first left fixing shaft 214 is arranged in the first end of the first sub-rod 21, a first right fixing shaft 215 is arranged in the second end of the first sub-rod 21, and a first explosion-proof piece 216 is connected between the first left fixing shaft 214 and the first right fixing shaft 215. The first explosion proof member 216 serves to improve the impact strength and impact toughness of the first sub-rod 21.

In the utility model, the first left fixing shaft 214 and the first right fixing shaft 215 are respectively arranged at the two ends of the rod body 211, the first explosion-proof piece 216 with toughness is connected between the first left fixing shaft 214 and the first right fixing shaft 215, and the impact toughness of the rod body 211 is increased through the first explosion-proof piece 216 with toughness, so that the rod body 211 is not easy to break, and the explosion-proof effect of the rod body 211 is improved.

Both ends of the first explosion-proof member 216 are respectively provided with a locking member 217, and after the both ends of the first explosion-proof member 216 are respectively sleeved on the first left fixing shaft 214 and the first right fixing shaft 215, both ends of the first explosion-proof member 216 are respectively locked on the adjacent first explosion-proof member 216 through the locking members 217. The strength of the connection of the first explosion proof member 216 with the first left fixing shaft 214 and the first right fixing shaft 215 can be improved.

The first explosion-proof component 216 has a flexible strip structure, and may be a steel wire rope, a nylon rope, a chain, a belt or the like.

In an embodiment, as shown in fig. 12 to 15, the brake lever 2 includes a first sub-lever 21 and a second sub-lever 22, the first sub-lever 21 is located on the upper side of the second sub-lever 22, a first end of the first sub-lever 21 is connected to the driving shaft 123, a second end is erected on the support frame 3 after falling, a connection mechanism 23 is provided between the driving box 11 and the auxiliary box 12, a first end of the second sub-lever 22 is connected to the connection mechanism 23, a connection assembly 24 is provided between a second end of the first sub-lever 21 and a second end of the second sub-lever 22, and a first end of the connection assembly 24 is hinged to the second end of the first sub-lever 21, and a second end of the connection assembly 24 is hinged to the second end of the second sub-lever 22.

By the cooperation of the first sub-lever 21 and the second sub-lever 22, the structural strength of the brake lever 2 can be improved. Has better explosion-proof effect. The driving mechanism 111 drives the driving rotating shaft 123 to rotate, the driving rotating shaft 123 drives the first sub-rod 21 to lift, and when the first sub-rod 21 lifts, the second sub-rod 22 is linked with the first sub-rod 21 through the connecting mechanism 23 and the connecting assembly 24, so that the lifting of the brake rod 2 is facilitated.

The second sub-rod 22 is of a hollow structure, a second left fixing shaft 221 is arranged in the first end of the second sub-rod 22, a second right fixing shaft 222 is arranged in the second end of the second sub-rod 22, and a second explosion-proof piece 223 is connected between the second left fixing shaft 221 and the second right fixing shaft 222. The second explosion proof member 223 serves to improve the impact strength and impact toughness of the second sub-rod 22.

Both ends of the second explosion-proof member 223 are provided with locking members 217, and both ends of the second explosion-proof member 223 are respectively sleeved on the second left fixing shaft 221 and the second right fixing shaft 222, and both ends of the second explosion-proof member 223 are respectively locked on the adjacent second explosion-proof member 223 through the locking members 217. The connection strength of the second explosion proof member 223 with the second left fixing shaft 221 and the second right fixing shaft 222 can be improved.

The second explosion-proof member 223 has a flexible long structure, and may be a steel wire rope, a nylon rope, a chain, a belt, or the like.

In an embodiment, as shown in fig. 16 and 17, the connection mechanism 23 includes a first connection seat 231, a second connection seat 232 and a connection shaft 233, the first connection seat 231 is disposed in the middle of the inner side of the active case 11, the second connection seat 232 is disposed in the middle of the inner side of the auxiliary case 12, the first connection seat 231 corresponds to the second connection seat 232, and two ends of the connection shaft 233 are respectively connected with the first connection seat 231 and the second connection seat 232. The connection shaft 233 is rotatably connected with the first connection seat 231 and the second connection seat 232. The first connecting seat 231 and the second connecting seat 232 are respectively provided with bearings, and two ends of the connecting shaft 233 are respectively connected with the bearings on the first connecting seat 231 and the second connecting seat 232, so that the connecting shaft 233 can rotate relative to the first connecting seat 231 and the second connecting seat 232. Two limiting protrusions 2331 are arranged on the connecting shaft 233 at intervals, and the first end of the second sub-rod 22 is arranged between the two limiting protrusions 2331, and the longitudinal movement of the second sub-rod 22 is limited through the limiting protrusions 2331. The stability of the second sub-lever 22 when lifted and lowered is ensured.

In the utility model, the first connecting seat 231 is arranged on the inner side of the driving box 11, the second connecting seat 232 is correspondingly arranged on the inner side of the auxiliary box 12, the connecting shaft 233 is arranged between the first connecting seat 231 and the second connecting seat 232, and the second sub-rod 22 is connected through the connecting shaft 233, so that the connecting strength of the second sub-rod 22 can be improved, and the explosion-proof effect can be improved. And set up two spacing protruding 2331 in the middle part of second sub-pole 22, set up the first end of second sub-pole 22 between two spacing protruding 2331, avoid the longitudinal movement of the first end of second sub-pole 22, improve the stability when second sub-pole 22 goes up and down, avoid rocking when second sub-pole 22 goes up and down, improve explosion-proof effect.

In an embodiment, as shown in fig. 17, the connecting mechanism 23 further includes an extension piece 234, a first end of the extension piece 234 is disposed on a connecting shaft 233 between the limiting protrusions 2331, a second end of the extension piece 234 is hinged to a first end of the second sub-rod 22, and when the driving mechanism 111 drives the first sub-rod 21 to rotate, the extension piece 234 enables the second sub-rod 22 to be linked with the first sub-rod 21, so as to facilitate lifting of the brake rod 2.

The extending member 234 includes a first extending side plate 2341 and a second extending side plate 2342 respectively disposed on the front and rear sides, wherein a first end of the first extending side plate 2341 is tightly attached to the front limiting protrusion 2331, and a first end of the second extending side plate 2342 is tightly attached to the rear limiting protrusion 2331. The first end of the second sub-rod 22 is hinged between the second end of the first extension side plate 2341 and the second end of the second extension side plate 2342. The strength of the connection of the extension piece 234 to the connection shaft 233 and the second sub-lever 22 can be thereby improved.

The upper and lower sides of the first ends of the first extension side plate 2341 and the second extension side plate 2342 are respectively provided with an extension fixing side plate 2343, and the extension fixing side plate 2343 is used for reinforcing the structural strength of the extension piece 234.

The first ends of the first extending side plate 2341 and the second extending side plate 2342 are provided with a through hole, the connecting shaft 233 is arranged in the through hole in a penetrating manner, the second ends of the first extending side plate 2341 and the second extending side plate 2342 are provided with another through hole, a second right fixing shaft 222 is arranged in the through hole in a penetrating manner, the middle part of the second right fixing shaft 222 is fixedly connected with the second sub-rod 22, and two ends of the second right fixing shaft 222 are respectively connected with the first extending side plate 2341 and the second extending side plate 2342 in a rotating manner.

In one embodiment, as shown in fig. 18, the engagement assembly 24 includes a first engagement side plate 241 and a second engagement side plate 242, wherein first ends of the first engagement side plate 241 and the second engagement side plate 242 are hinged at the outer side of the second end of the first sub-rod 21, and second ends of the first engagement side plate 241 and the second engagement side plate 242 are hinged at the outer side of the second end of the second sub-rod 22, and the second ends of the first sub-rod 21 and the second sub-rod 22 are connected through the first engagement side plate 241 and the second engagement side plate 242, thereby facilitating the linkage of the second sub-rod 22 with the first sub-rod 21 and the lifting of the brake lever 2.

In the utility model, the second ends of the first and second sub-rods 21 and 22 are connected by the connecting component 24, the connecting component 24 comprises the first connecting side plate 241 and the second connecting side plate 242, the first ends of the first connecting side plate 241 and the second connecting side plate 242 are hinged on the outer side of the second ends of the first sub-rod 21, and the second ends of the first connecting side plate 241 and the second connecting side plate 242 are hinged on the outer side of the second ends of the second sub-rod 22, so that the structural strength of the connection of the second ends of the first sub-rod 21 and the second sub-rod 22 can be improved, shaking and the like when the second ends of the first sub-rod 21 and the second sub-rod 22 are connected can be avoided, and the explosion-proof effect of the brake rod 2 is improved.

The first engagement side plate 241 and the second engagement side plate 242 have the same structure, and the first engagement side plate 241 and the second engagement side plate 242 are symmetrically disposed with a center line therebetween.

In an embodiment, the first left fixing shaft 214 is longitudinally penetrating through the second end of the first sub-rod 21, the first left fixing shaft 214 extends out of the first sub-rod 21 and is respectively connected with the first ends of the first connecting side plate 241 and the second connecting side plate 242, and two ends of the first left fixing shaft 214 are erected on the supporting frame 3. Thereby, the structural strength of the brake lever 2 can be further improved, and the second end of the first sub-lever 21 is prevented from being separated from the supporting frame 3.

The second left fixing shaft 221 is longitudinally penetrating through the second end of the second sub-rod 22, and two ends of the second left fixing shaft 221 extend out of the second sub-rod 22 and are respectively connected with the second ends of the first connecting side plate 241 and the second connecting side plate 242.

In an embodiment, the first engaging side plate 241 includes a first vertical portion 2411, a bent portion 2412 and a second vertical portion 2413 sequentially connected from top to bottom, and the bent portion 2412 extends in a direction approaching the second engaging side plate 242, so that a distance between the first engaging side plate 241 and the second engaging side plate 242 can be adapted to the thicknesses of the first sub-rod 21 and the second sub-rod 22.

In an embodiment, the lower portion of the first engaging side plate 241 is provided with an engaging reinforcing plate 243, the engaging reinforcing plate 243 has a U-shaped structure, two side panels of the engaging reinforcing plate 243 are respectively fixed on the inner sides of the first engaging side plate 241 and the second engaging side plate 242, and the engaging reinforcing plate 243 is used for reinforcing the first engaging side plate 241 or the second engaging side plate 242.

In an embodiment, as shown in fig. 19 to 24, the support frame 3 includes a support base 31, a support body 32, a first support member 33 and a second support member 34, where the support body 32 is provided with two support members, and is oppositely disposed on the support base 31, the first support member 33 is disposed on an upper portion of the support body 32 for supporting the first sub-rod 21, and the second support member 34 is disposed in a middle portion of the support body 32 for supporting the second sub-rod 22.

According to the utility model, a first end of a brake bar 2 is connected with a case 1, the case 1 drives the brake bar 2 to rise and fall, a second end of the brake bar 2 is erected on a support frame 3, the support frame 3 comprises a support bottom plate 31, support bodies 32 and support pieces, the two support bodies 32 are oppositely arranged on the support bottom plate 31, and the support pieces are arranged between the two support bodies 32 and are used for supporting the brake bar 2. Therefore, the first end of the brake bar 2 is connected with the chassis 1, the second end of the brake bar is positioned between the two support bodies 32, the firmness of the brake bar 2 is improved through the support bodies 32, and the brake bar 2 is prevented from being easily bent by bumping.

The supporting bottom plate 31 is a square plate, a plurality of fixing bolts 17 are arranged on the supporting bottom plate 31, and the fixing bolts 17 are used for fixing the supporting frame 3. The lower end of the fixing bolt 17 is hooked. Thereby, the fixing effect on the support frame 3 can be improved, and the fixing firmness of the support frame 3 can be ensured.

The supporting body 32 is in a columnar structure, thereby improving the anti-collision effect of the explosion door.

In one embodiment, as shown in fig. 22, the first supporting member 33 includes two hook plates 331, and the two hook plates 331 are respectively disposed on the two supporting bodies 32. The hook plate 331 includes a fixing portion 3311 and a hook portion 3312, the fixing portion 3311 being located at an upper portion for fixedly coupling with the support body 32, the hook portion 3312 being located at a lower end of the fixing portion 3311 and extending outwardly, the hook portion 3312 being for supporting the first left fixing shaft 214.

The middle part of the fixing part 3311 is outwardly extended with a protrusion 3313, and when the first sub-rod 21 is impacted by a vehicle, the second end of the first sub-rod 21 is caught at the lower side of the protrusion 3313, and the second end of the first sub-rod 21 is prevented from sliding out of the first supporting member 33 by the protrusion 3313, thereby improving the explosion-proof effect of the first sub-rod 21.

In an embodiment, as shown in fig. 23, the second supporting member 34 is of a symmetrical structure, and has a first vertical portion 341, an inclined portion 342, a second vertical portion 343 and a horizontal portion 344 sequentially connected from top to bottom, wherein the first vertical portion 341 is fixedly disposed on an inner side surface of the supporting body 32, the inclined portion 342 extends in a direction away from the supporting body 32, the second vertical portion 343 extends downward, and the horizontal portion 344 extends in a direction away from the supporting body 32. Thereby, the thickness of the second support 34 and the second sub-rod 22 can be easily adapted, and the supporting effect of the second sub-rod 22 can be improved.

The spacing between the one side second vertical portion 343 and the other side second vertical portion 343 is adapted to the thickness of the second sub-lever 22.

In one embodiment, as shown in fig. 24, the support frame 3 further includes a supporting riser 35, where the supporting riser 35 is disposed at a lower portion of the second supporting member 34, and is clamped between the two supporting bodies 32 for supporting the second supporting member 34. The stability of the second support 34 to the second sub-rod 22 can be improved by the support risers 35.

The upper end of the support riser 35 has an opening, the shape of which is adapted to the shape of the vertical section of the second support 34. Thereby, the second support 34 can be supported well.

The lower end of the supporting riser 35 extends to form a plugging portion 351, a plugging protrusion 3313 adapted to the plugging portion 351 is provided on the supporting base plate 31, and the supporting riser 35 is plugged on the supporting base plate 31 through connection of the plugging portion 351 and the plugging protrusion 3313. Thereby facilitating the removal and installation of the support risers 35.

The support frame 3 further comprises a reinforcing plate 36, wherein the reinforcing plate 36 is disposed at the outer side surface of the support body 32 for reinforcing the structural strength of the support body 32. The vertical section of the reinforcing plate 36 is right triangle, whereby the supporting effect on the supporting body 32 can be enhanced.

Therefore, the utility model discloses an explosion-proof barrier, which is characterized in that on an integral structure of a main body frame of a case, on arrangement of an active case and an auxiliary case of the case, on a connecting mechanism of the case and a brake bar, a first explosion-proof piece and a second explosion-proof piece are respectively arranged on a first sub bar and a second sub bar, and on a connecting assembly of the first sub bar and the second sub bar, the explosion-proof effect of the explosion-proof barrier is improved from multiple layers.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims (9)

1. The double-beam explosion-proof brake bar is characterized by comprising a first sub-bar and a second sub-bar, wherein the first sub-bar is positioned on the upper side of the second sub-bar, the first end of the first sub-bar is used for being connected with a driving rotating shaft, the first end of the second sub-bar is used for being hinged with a connecting shaft, a connecting component is arranged between the second end of the first sub-bar and the second end of the second sub-bar, the first end of the connecting component is hinged with the second end of the first sub-bar, and the second end of the connecting component is hinged with the second end of the second sub-bar; the engagement assembly comprises a first engagement side plate and a second engagement side plate, wherein first ends of the first engagement side plate and the second engagement side plate are hinged to the outer side of the second end of the first sub-rod, second ends of the first engagement side plate and the second engagement side plate are hinged to the outer side of the second end of the second sub-rod, and the second ends of the first sub-rod and the second sub-rod are connected through the first engagement side plate and the second engagement side plate.

2. The dual beam blast gate pole of claim 1, wherein the first and second engagement side plates are identical in construction, the first and second engagement side plates being symmetrically disposed about a midline therebetween.

3. The dual beam blast gate pole of claim 2, wherein the first engagement side plate includes a first vertical portion, a bent portion and a second vertical portion connected in sequence from top to bottom, the first vertical portion is configured to connect the second end of the first sub-pole, the bent portion extends in a direction approaching the second engagement side plate, and the second vertical portion is configured to connect the second end of the second sub-pole.

4. The dual beam blast gate pole of claim 3, wherein the lower portion of the engagement assembly is provided with an engagement reinforcement plate, the engagement reinforcement plate is in a U-shaped structure, two side panels of the engagement reinforcement plate are respectively fixed on inner sides of the first engagement side plate and the second engagement side plate, and the engagement reinforcement plate is used for reinforcing connection strength of the first engagement side plate and the second engagement side plate.

5. The double-beam explosion-proof brake lever according to claim 1, wherein the first sub-lever and the second sub-lever are hollow structures, a first left fixed shaft is arranged in a first end of the first sub-lever, a first right fixed shaft is arranged in a second end of the first sub-lever, a first explosion-proof piece with toughness is connected between the first left fixed shaft and the first right fixed shaft, a second left fixed shaft is arranged in a second end of the second sub-lever, a second right fixed shaft is arranged in a second end of the second sub-lever, a second explosion-proof piece with toughness is connected between the second left fixed shaft and the second right fixed shaft, and the first explosion-proof piece and the second explosion-proof piece are respectively used for increasing the impact toughness of the first sub-lever and the second sub-lever.

6. The dual beam blast gate pole of claim 5, wherein the first left stationary shaft extends longitudinally through the second end of the first sub-pole, the first left stationary shaft extends out of the first sub-pole and is connected to the first ends of the first engagement side plate and the second engagement side plate, the second left stationary shaft extends longitudinally through the second end of the second sub-pole, and the second left stationary shaft extends out of the second sub-pole and is connected to the second ends of the first engagement side plate and the second engagement side plate, respectively.

7. The dual beam blast gate pole of claim 6, wherein the first and second blast elements are elongated structures having toughness, including wire ropes, nylon ropes, chains or belts.

8. The dual beam blast gate pole of claim 7, wherein the ends of the first and second blast shields are provided with locking members, respectively, for locking the ends of the first and second blast shields.

9. An explosion barrier comprising a dual beam explosion bar as claimed in any one of claims 1 to 8.