CN210946606U

CN210946606U - Telescopic hard shoulder

Info

Publication number: CN210946606U
Application number: CN201921488279.7U
Authority: CN
Inventors: 景浩; 景满屯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-07-07
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a telescopic hard shoulder, which comprises a base, a flexible shell and a telescopic mechanism; the telescopic mechanism comprises a telescopic spring and a telescopic driving mechanism for driving the telescopic spring to stretch and retract; the expansion spring is a conical spiral spring; the flexible shell is matched with the spring in shape; the lower end of the telescopic spring is fixedly connected with the base, the flexible shell is covered on the telescopic spring, and the flexible shell is connected with the telescopic spring; the telescopic driving mechanism drives the telescopic spring to stretch and retract. The utility model reduces the number of workers on site; the work efficiency of staff's the hard shoulder of arranging and withdrawing the hard shoulder has been promoted, and the hard shoulder volume after the shrink is littleer, reduces dangerous emergence, the safety of protection personnel's life and property.

Description

Telescopic hard shoulder

Technical Field

The utility model relates to a road surface isolating device technical field especially relates to a telescopic hard shoulder.

Background

At present, in various occasions such as expressways, national roads, county roads, urban roads, rural roads, various construction sites, security units and the like, law enforcement departments such as troops, traffic, public security traffic polices and the like execute vehicle interception tasks; in the construction and service process of each construction unit and service enterprise, the isolation devices are placed on the site to be isolated according to the needs so as to prevent accidental risks. At present, the placing and isolating device is isolated by adopting obstacles such as branches, stones, garbage and the like irregularly; put the regular adoption and go up little big cone-shaped or the toper shape reflection of light or not reflection of light hard shoulder on the ordinary passageway, these hard shoulders are in the transportation, and the transportation space that occupies is great, not convenient for transport and storage.

Application number is 201811571317.5's chinese patent, discloses a PVC way awl convenient to carry, including the supporting seat, supporting seat top outer wall is opened there is the circular recess, and the circular recess inner wall bonds and has first rubber telescopic sleeve, first rubber telescopic sleeve top bonds and has a first toper section of thick bamboo, and bonds on first toper section of thick bamboo top has second rubber telescopic sleeve, second rubber telescopic sleeve top bonds and has a second toper section of thick bamboo, and second toper section of thick bamboo top bonds and has a third rubber telescopic sleeve, third rubber telescopic sleeve top is equipped with the toper fill, first toper section of thick bamboo, second toper section of thick bamboo and toper fill both ends are open structure, toper fill inner wall bottom position is equipped with internal thread portion to it is collapsible to realize way awl, conveniently carries, reduces storage volume. The stretching process of the road cone needs manual operation and is troublesome.

The chinese patent application No. 201821475163.5 provides a mobile police road traffic law enforcement vehicle ground guide device, which comprises a device body, a left end seat and a right end seat; the left end seat and the right end seat are respectively arranged at the left end and the right end of the device body; a plurality of supporting seats are arranged between the left end seat and the right end seat, and the left end seat and the right end seat are respectively connected with the supporting seats through telescopic cloth bags; two sides of the left end seat are provided with locking rods, and one end of each locking rod is connected with the left end seat in a hinged manner; the both sides of right-hand member seat and supporting seat are provided with the lock seat, and the lock seat is connected through fixed mode with right-hand member seat and supporting seat to make the guiding device can follow the horizontal direction and stretch out and draw back, is convenient for remove and carry, uses reliably, is convenient for guide vehicle's advantage. After the guide device is contracted, a plurality of supporting seats are overlapped together, and the size is still large.

The chinese patent application No. 201910170007.0 discloses a telescopic road cone capable of being used as a triangular warning board, which comprises a road cone main body, wherein the road cone main body is provided with a road cone base, a warning lamp, a road cone top cover, a road cone telescopic shell, a display, an electric telescopic rod and a placing cavity; the road cone placing device comprises a road cone base, a placing cavity, an electric telescopic rod, a road cone telescopic shell and four sections of road cone telescopic shells, wherein the placing cavity is fixedly arranged in the road cone base, the placing cavity is used for placing the road cone telescopic shell, the road cone base is positioned at the center of the bottom of the placing cavity, the electric telescopic rod is fixedly arranged on the road cone base through screws and used for jacking the road cone telescopic shell, and the road cone is placed in an automobile to be carried conveniently by setting the road cone into a telescopic mode. After the telescopic road cone is completely contracted, the height of the telescopic shell of the road cone is about 1/4 of the original height, and the size is still larger.

The chinese patent with application number 201821116678.6 discloses a multifunctional telescopic warning roadblock for vehicles, which comprises a base, a roadblock main body and a cover body, the base is clamped and connected with the roadblock main body, the cover body is matched with the base, the roadblock main body comprises a circular sleeve, a face mask and an air bag, the face mask is in a circular truncated cone shape, the circular sleeve is arranged in the face mask, and annular sleeves with the diameter from small to large are arranged from top to bottom, the air bag is arranged between the two adjacent annular sleeves, and an air passage is communicated with all the air bags, the base is provided with a telescopic rod which is arranged on the bottom surface of the base, the cover body is provided with a groove, this automobile-used flexible warning roadblock structural design is reasonable simple, supports the annular sleeve and is packing up the gasbag simultaneously and exhaust the feasible difficult jam that blocks, and the lid makes automobile-used flexible warning roadblock can use as little table with the telescopic link cooperation.

The shell almost becomes a plane after the contraction of the guiding device is finished, the size is small, but the air source of the air bag needs to be carried at any time, the air bag is inconvenient, and the air bag is difficult to keep the sealing effect in the long-term storage process and is not beneficial to long-term use.

The application number 201520272592.2 discloses a portable remote control road cone, wherein rollers are mounted on a base, the rollers can move back and forth and turn under the control of a wireless control module and driven by an electric module, a telescopic stainless steel tube is vertically fixed in the center of the base, a flashing light is mounted at the top of the telescopic stainless steel tube, the bottom of a deformable cone body is fixed on the base, and the top of the deformable cone body is fixed at the top of the telescopic stainless steel tube, wherein the deformable cone body is expanded into a cone shape when the telescopic stainless steel tube is expanded and is stacked together when the telescopic stainless steel tube is retracted, the electric module and the flashing light are connected with a battery, the functions of remotely placing the road cone and retracting the road cone can be realized based on wireless remote control, the space for transporting the road cone is reduced, and the danger for placing the road cone and retracting the road cone in a dangerous area is reduced. The road cone is inconvenient to operate in the telescopic process, and the volume of the road cone is still large when the road cone is contracted.

However, some of the road cones need to be manually extended and retracted, the efficiency is low in the actual arrangement and retraction process, and the volume is still large after some road cones are retracted, so that a road surface isolation device which can be automatically extended and retracted and saves more space is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic flexible hard shoulder promotes the staff and arranges the hard shoulder and withdraws the work efficiency of hard shoulder, and the hard shoulder volume after the shrink is littleer, reduces dangerous emergence, the safety of protection personnel life and property.

The utility model adopts the technical proposal that:

a telescopic hard shoulder comprises a base, a flexible shell and a telescopic mechanism; the telescopic mechanism comprises a telescopic spring and is used for driving the telescopic spring to stretch and retractExpansion and contractionA drive mechanism; the telescopic spring is a conical spiral spring; the flexible shell is matched with the spring in shape；

The lower end of the telescopic spring is fixedly connected with the base, the flexible shell is covered on the telescopic spring and is connected with the telescopic spring; the telescopic driving mechanism drives the telescopic spring to stretch and retract.

The telescopic driving mechanism comprises a plurality of pull ropes and a plurality of winding wheels; the pull ropes are uniformly distributed along the circumferential direction of the spring, and the reel is fixedly arranged on the base; the pull rope is fixedly connected with the top of the telescopic spring, and the pull rope is fixedly connected with the reel.

Each pull rope comprises a first rope body, a second rope body and a third rope body; the connecting end of the first rope body and the connecting end of the second rope body are respectively connected with the connecting end of the third rope body; the fixed end of the first rope body is fixedly connected with the top end of the telescopic spring, the fixed end of the second rope body is fixedly connected with the bottom end of the telescopic spring, and the fixed end of the third rope body is fixed on the reel.

The telescopic spring is provided with a guide ring, and the third rope body penetrates through the guide ring and is arranged along the vertical direction; the base is provided with a guide pulley which is just opposite to the third rope body, and the third rope body is wound on the reel through the guide pulley.

The telescopic hard shoulder still include at least three walking wheels, the walking wheel be connected with the base.

The telescopic hard shoulder also comprises a lifting mechanism for driving the travelling wheels to lift; the lifting mechanism comprises a lifting frame, a lifting driving piece and a transmission mechanism; the walking wheels are fixedly connected with the lifting frame; the transmission mechanism comprises a transmission shaft, a gear rack group and a bevel gear group; the gear rack set comprises a transmission shaft gear and a wheel shaft rack, and the bevel gear set comprises a first bevel gear and a second bevel gear; the power output shaft of the driving lifting piece is fixedly connected with the first bevel gear, the first bevel gear drives the second bevel gear to rotate, the transmission shaft is inserted into the second bevel gear, the two ends of the transmission shaft are fixedly connected with the transmission shaft gears respectively, the wheel shaft rack is arranged corresponding to the transmission shaft gears, and the wheel shaft rack is fixedly connected with the lifting frame 10.

The telescopic hard shoulder still include central processing module and first motor, the power take-off hub connection reel of first motor, the control input of first motor is connected central processing module's flexible signal control output.

The lifting driving piece adopts a second motor, and the control input end of the second motor is connected with the lifting signal control output end of the central processing module.

The telescopic hard shoulder also comprises a remote control mechanism, wherein the remote control mechanism comprises a remote controller and a remote control signal receiving module; and the signal output end of the remote control signal receiving module is electrically connected with the remote control signal input end of the central processing module.

The telescopic hard shoulder also comprises an alarm mechanism; the alarm mechanism comprises a collision power-off switch, an energy storage capacitor and an alarm; the energy storage capacitor and the collision power-off switch are connected in series in a power supply loop, and the energy storage capacitor supplies power to the alarm through a discharge loop of the energy storage capacitor.

The utility model controls the expansion of the expansion spring through the expansion driving mechanism, so that the flexible shell expands or contracts, thereby realizing the automatic expansion of the hard shoulder; set up expanding spring into conical coil spring, the straight spring coil in the below that can compress into through big spring coil the inside directly through little spring coil in the top, until compressing expanding spring to minimum degree, a near planar coil spring of formation, flexible shell highly hangs down, and compression effect is good, practices thrift the space more.

Furthermore, realize expanding spring's compression and design through the stay cord, and set up the stay cord into first rope body, second rope body and third rope body, the equal vertical setting of third rope body for different stay cords make the pulling force direction, the size of expanding spring compression the same, thereby make expanding spring when the compression, the atress is even in all directions, and the horizontally completion is shrunk, does not take place the slope.

Furthermore, the walking wheels and the remote control mechanism are arranged, the remote control isolation piers automatically walk to the target position when the isolation piers are arranged, the intelligent and automatic performance of the isolation piers is improved, the safety degree of workers when the isolation piers are placed is also improved, the danger is avoided easily occurring under the condition that pedestrians and vehicle drivers feel great due to the need of manual operation in the placing process, and the danger of the workers at night or under the condition of low visibility is particularly reduced.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic front view of the lifting mechanism of the present invention;

fig. 4 is a schematic top view of the lifting mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the signboard of the present invention;

FIG. 6 is a schematic view of the crash power-off switch of the present invention;

fig. 7 is a schematic circuit diagram of the present invention;

1. a base; 2. a flexible housing; 3. a tension spring; 4. pulling a rope; 4-1, a first rope body; 4-2, a second rope body; 4-3, a third rope body; 5. a first motor; 6. a wire loop; 7. a guide ring; 8. a guide pulley; 9. a traveling wheel; 10. a lifting frame; 11. a drive shaft; 12. a drive shaft gear; 13. a wheel axle rack; 14. a first bevel gear; 15. a second bevel gear; 16. a support; 17. a limiting rod; 18. a remote control signal receiving module; 19. a reel; 20. an outlet; 21. a wiring plug; 22. a warning light; 23. a lifting rope; 24. a connection socket; 25. an energy storage capacitor; 26. reflective cloth; 27. a sign; 28. an arc-shaped plate; 29. a contact; 30. an elastic conductive sheet.

Detailed Description

As shown in fig. 1, 2 and 7, the utility model comprises a telescopic hard shoulder, which comprises a base 1, a flexible casing 2, a telescopic mechanism, a power supply loop and a power supply; the telescopic mechanism comprises a telescopic spring 3, a telescopic driving mechanism for driving the telescopic spring 3 to stretch and retract and a central processing module for controlling the telescopic driving mechanism; the telescopic spring 3 is a conical spiral spring, the two adjacent spring rings of the conical spiral spring are adjacent, and the outer diameter of the upper spring ring is smaller than the inner diameter of the lower spring ring; the flexible shell 2 is matched with the spring in shape; the flexible shell 2 is made of oxford;

the lower end of the telescopic spring 3 is fixedly connected with the base 1, the flexible shell 2 is covered on the telescopic spring 3, and the flexible shell 2 is connected with the telescopic spring 3; the telescopic driving mechanism drives the telescopic spring 3 to stretch, and the telescopic signal control output end of the central processing module is electrically connected with the telescopic signal control input end of the telescopic driving mechanism.

The power supply supplies power to the central processing module and the telescopic driving mechanism through the power supply loop;

the telescopic driving mechanism comprises a plurality of pull ropes 4, a reel and a first motor 5 for driving the reel to rotate; the pull ropes 4 are uniformly distributed along the circumferential direction of the spring, and the reel is fixedly arranged on the base 1; the pull rope 4 is fixedly connected with the top of the telescopic spring 3, and the pull rope 4 is fixedly connected with the reel; the rotating shaft of the reel is fixedly connected with the power output shaft of the first motor 5, and the control input end of the first motor 5 is connected with the telescopic signal control output end of the central processing module.

The expansion helical spring is conical under the condition of maximum extension, so that the flexible shell 2 is expanded to form a conical isolation pier; when needs contract the hard shoulder, central control module sends a signal to first motor 5, first motor 5 rotates the pivot that drives the reel and rotates, 4 rolling of stay cord are on the reel, under the pulling of stay cord 4, the straight spring coil compression that passes through of top is to the straight big spring coil the inside of passing through in below, until compressing expanding spring 3 to the minimum degree, the plane coil spring of an approximation of formation, the height of flexible housing 2 highly is close to the spring round, it is effectual to compress, practice thrift the space more.

When the executive task, central control module sends the signal to first motor 5, and first motor 5 rotates the pivot that drives the reel and rotates, and many stay cords 4 in the reel pay off under the drive of motor, lean on expanding spring 3's elasticity, pull out stay cord 4 on the reel, until expanding spring stretches out to the at utmost, form a conical hard shoulder once more.

In this embodiment, the flexible casing 2 is made of oxford fabric, and the pull rope 4 is made of a steel wire rope.

The first motor 5 adopts a servo motor, and the central processing module can accurately control the rotation of the motor, so that the length of the pull rope 4 is accurately controlled, the contraction and release of the telescopic spiral spring are realized, and the expansion of the isolation pier is realized.

Each pull rope 4 comprises a first rope body 4-1, a second rope body 4-2 and a third rope body 4-3; each spring ring of the telescopic spring 3 is provided with a wire guide ring 6 corresponding to the pull rope 4; the connecting end of the first rope body 4-1 and the connecting end of the second rope body 4-2 are respectively connected with the connecting end of the third rope body 4-3 to form a Y-shaped pull rope 4; the fixed end of the first rope body 4-1 is fixedly connected with the top end of the expansion spring 3, the fixed end of the second rope body 4-2 is fixedly connected with the bottom end of the expansion spring 3, and the fixed end of the third rope body 4-3 is wound on the reel.

If the third rope body 4-3 is two ropes, the first rope body 4-1 and the second rope body 4-2 are respectively connected with one rope.

The telescopic spring is provided with a guide ring 7, under the condition that the telescopic spring 3 is completely extended, the connecting end of the third rope body 4-3 is sleeved in the guide ring 7 on the spring ring of one third of the number of turns from bottom to top, the third rope body 4-3 is arranged along the vertical direction, the base 1 is provided with a guide pulley 8 which is over against the third rope body 4-3, and the winding end of the third rope body 4-3 is wound on the reel through the guide pulley 8. Through the guide ring 7 and the guide pulley 8, the third rope bodies 4-3 of the pull ropes 4 are vertically arranged, and when the reel rotates, the third rope bodies 4-3 pull the first rope body 4-1 to move downwards and the second rope body 4-2 to move upwards, so that the telescopic spring 3 is contracted. The third rope body 4-3 vertically arranged enables the downward pulling force received by the first rope body 4-1 of different pulling ropes 4 to be the same as the upward pulling force received by the second rope body 4-2 of different pulling ropes 4 in direction, so that when the telescopic spring 3 is compressed, the stress in all directions is uniform, the horizontal contraction is completed, and the telescopic spring is not inclined.

When the isolation piers are placed, the isolation piers are not convenient to place manually in some occasions, such as roads with constant current, and the isolation piers are dangerous if placed manually, so that the telescopic isolation piers are also provided with at least three walking wheels 9; preferably, the walking wheels 9 are electric wheels, and the control input ends of the walking wheels 9 are respectively connected with the walking signal control output end of the central processing module.

In this embodiment, specifically, there are 4 road wheels 9, which are divided into two universal wheels and two driving wheels. Two universal wheels are respectively arranged at the middle position of the front end and the middle position of the rear side of the base 1, and two driving wheels are respectively arranged at the middle position of the right end of the middle position of the left end of the base 1. When the hard shoulder is ready to walk, the central processing module sends signals to the two driving wheels at the same time, and the driving wheels rotate to drive the universal wheels to rotate.

The road isolation pier is characterized in that the road isolation pier is provided with a central processing module, the central processing module is connected with a driving wheel on the left side, and the driving wheel on the left side is connected with a driving wheel on the right side.

As shown in fig. 3 and 4, the telescopic hard shoulder further comprises a lifting mechanism for driving the travelling wheels 9 to lift. The lifting mechanism comprises a lifting frame 10, a lifting driving piece and a transmission mechanism. The lifting driving piece can adopt a manual crank or a second motor. When the second motor is adopted, the control input end of the second motor is connected with the lifting signal control output end of the central processing module.

In this embodiment, in order to save cost, the second motor and the first motor are the same motor; the first motor 5 supplies power to the reel and the lifting frame 10 at different times through a clutch device, and controls the forward and reverse rotation of the reel for winding the pull rope 4 and the lifting of the multi-lifting frame 10. The motor drives the two mechanisms to rotate at different times through the clutch device, which is the prior art, and the clutch device and the connection relation between the clutch device and the motor are the prior art, and are not described again here.

In the present embodiment, the transmission mechanism includes a transmission shaft 11, a gear rack set and a bevel gear set; the gear rack set comprises a transmission shaft gear 12 and a wheel-axle rack 13, and the bevel gear set comprises a first bevel gear 14 and a second bevel gear 15; a lifting output rotating shaft of the clutch device is fixedly connected with a first bevel gear 14 to drive the first bevel gear 14 to rotate, the first bevel gear 14 drives a second bevel gear 15 to rotate, a transmission shaft 11 is inserted into the second bevel gear 15 and is driven to rotate by the second bevel gear 15, two ends of the transmission shaft 11 are respectively and fixedly connected with a transmission shaft gear 12, and a wheel shaft rack 13 is arranged corresponding to the transmission shaft gear 12 and is fixedly connected with the lifting frame 10; the transmission shaft gear 12 is matched with the corresponding wheel shaft rack 13, along with the rotation of the transmission shaft 11, the rotation shaft gear dials the wheel shaft rack 13 to move up and down, the wheel shaft rack 13 drives the lifting frame 10 to lift, so that the universal wheel and the walking wheel 9 move up and down, when the walking of the isolation pier is finished, the central processing module controls the action of the clutch device, so that the first motor 5 drives the first bevel gear 14 to rotate, the central processing module controls the first motor 5 to rotate, so that the universal wheel and the walking wheel 9 move up and retract into the base 1, and the isolation pier is placed at a target position more stably.

Preferably, the lower terminal surface of base 1 contact with ground, the four sides of the lower terminal surface of base 1 are provided with outer oblique form sawtooth, suffer the striking, the sawtooth atress pricks ground, increase resistance makes the hard removal of hard to keep apart the vehicle inspection area.

The specific structure of the clutch device and the connection manner with the first motor 5 and the first bevel gear 14 are prior art and will not be described herein again.

Specifically, the lifting frame 10 comprises a square frame and four connecting rods, wherein the square frame is formed by connecting square tubes with equal four sides, the square frame is arranged above the bottom plate, and the connecting rods are respectively connected with four corners of the square frame; the connecting rod penetrates through the base 1 and is connected with the travelling wheel 9; the lower end face of the base 1 is provided with a groove matched with the universal wheel and the driving wheel. The crane 10 of square frame can guarantee that there is sufficient space on the base 1 to set up other subassemblies or mechanisms, and is not influenced at the lift in-process of crane 10.

Preferably, a support 16 for supporting the transmission shaft 11 is arranged on the base 1, a bearing is arranged on the support 16 corresponding to the transmission shaft 11, and the transmission shaft 11 is rotatably connected with the support 16 through the bearing.

Preferably, the base 1 is provided with a plurality of limiting rods 17, and the limiting rods 17 correspond to square tubes of a square frame above the base 1 one by one; the limiting rod 17 is provided with a limiting groove matched with the square pipe; in the lifting process of the lifting frame 10, the square pipe moves up and down along the limiting groove, so that the lifting frame 10 is prevented from swinging left and right, and the vertical lifting of the lifting frame 10 is ensured.

The hard shoulder in this embodiment further comprises a remote control mechanism, wherein the remote control mechanism comprises a remote controller and a remote control signal receiving module 18; remote control signal receiving module 18's signal output part and central processing module's remote control signal input electricity be connected, when control hard shoulder walking, the staff passes through remote controller long-range transmission control signal, realize that remote control hard shoulder is flexible, hard shoulder walking, hard shoulder turns to, the walking wheel 9 of hard shoulder goes up and down etc. control to make hard shoulder more intelligent, the placing of hard shoulder, the process of accomodating is more convenient, safer.

The power supply of the isolation pier has two setting forms, one is to adopt an external power supply to supply power, and the other is to adopt an internal storage battery to supply power.

In order to ensure the normal use of the isolation pier, even if the power is supplied by an internal storage battery, the power is also supplied by an external power supply.

In the use process of actual hard shoulder, usually need a plurality of hard shoulders just can realize on-the-spot isolation, for realizing that a power supplies power for a plurality of hard shoulders, each hard shoulder all needs to set up longer power supply wire.

In this embodiment, for convenient, orderly power supply wire of arranging, for each hard shoulder power supply, be provided with winder 19 on base 1, when each hard shoulder need not connect, with the winding of power supply wire on winder 19, the expansion end of power supply wire is provided with wiring plug 21, winder 19 sets up in base 1 up end, is located crane 10 intermediate position. An outlet 20 is arranged on one side of the base 1, and a connection socket 24 is arranged on the other side.

The winder 19 adopts a spring winder.

When arranging the hard shoulder, draw out the wiring plug 21 of the power supply electric wire of a hard shoulder from outlet 20, insert in the wiring socket 24 of another hard shoulder, in this way with a plurality of hard shoulders cluster together, and the power supply circuit of a plurality of hard shoulders is parallelly connected, for a plurality of hard shoulders power supply, has reduced the length of the electric wire that hard shoulder needs far away, also makes the power supply electric wire of a plurality of hard shoulders arrange more regular.

After the plurality of the piers are strung together, the wire in the wire reel 19 is pulled out by the pulling force when the wire reel 19 runs against the front piers. When the hard shoulder is retracted, the winder 19 loses external tension, and the electric wire is retracted into the winder 19 under the simultaneous action of the thrust when the hard shoulder is retracted and the tension of the retraction spring inside the winder 19.

In order to guarantee the prompt effect of the hard shoulder, especially the prompt effect at night, the telescopic hard shoulder further comprises reflective cloth 26 and a warning lamp 22, the reflective cloth 26 is fixedly arranged on the shell, and the warning lamp 22 is arranged at the top of the hard shoulder.

The telescopic hard shoulder still include alarm mechanism: the alarm mechanism comprises a collision power-off switch, an energy storage capacitor 25 and an alarm; the energy storage capacitor 25 and the collision power-off switch are connected in series in a power supply loop, and the energy storage capacitor 25 supplies power to the alarm, the warning lamp and the LED indicator board 27 through a discharge loop of the energy storage capacitor 25. The collision power-off switch is automatically switched off after collision and is generally applied to electric vehicles.

In the embodiment, when the vehicle collides with the isolation pier due to misoperation, brake failure, intentional running and other behaviors, the isolation pier is knocked down, damaged and inclined, so that the wiring plug 21 of the power supply wire between the two isolation piers falls off from the wiring socket 24, and therefore, the sensitivity requirement on the collision power-off switch can be properly reduced to reduce the cost.

As shown in fig. 6, the impact breaker switch in the present embodiment includes a set of contacts 29 and an elastic conductive sheet 30; the positive contact and the negative contact are arranged in the wiring socket 24 and are opposite to the wiring plug 21; elastic conducting strip 30 set up between contact 29 and wiring plug 21, elastic conducting strip 30 one end and base 1 fixed connection, the other end to the perk of wiring plug 21 direction, under normal conditions, wiring plug 21 applys pressure to elastic conducting strip 30 for elastic conducting strip 30 and contact 29 contact, and energy storage capacitor 25's charging circuit switches on. When the wiring plug 21 falls off, the elastic conducting strip 30 is separated from the contact 29, the charging circuit of the energy storage capacitor 25 is disconnected, the discharging circuit of the energy storage capacitor 25 is connected, the energy storage capacitor 25 starts to supply power to the alarm, and the alarm starts to give an alarm. When the law enforcement officer, the constructor and the serviceman hear the alarm sound, the law enforcement officer can withdraw from the isolation area for enough time or stop the illegal action to reconnect the connection line of the isolation pier, so that the isolation pier works normally.

In this embodiment, the alarm is fixedly arranged at the top of the flexible shell 2 through a buckle.

The telescopic hard shoulder still include sign 27, sign 27 be located the outside of casing, and be connected with the spring. Typically, the sign 27 has an arrow on its front face to guide a pedestrian or a driver.

As shown in FIG. 5, a lifting rope 23 is arranged at the upper end of the indication board 27, and the lifting rope 23 is fixedly connected with the extension spring 3 or the flexible shell 2, so that the indication board 27 is suspended on the isolation pier.

The rear end face of sign 27 along the fixed arc 28 that is provided with of upper and lower direction, the arc terminal surface and the contact of flexible shell 2 of arc 28. When expanding spring 3 is compressed to make the in-process that the hard shoulder contracts, arc 28 promotes sign 27 and rotates, avoids sign 27 to be blocked in folding flexible outer shell 2, makes sign 27 can keep flat on the hard shoulder after folding, avoids sign 27 to be blocked the rupture.

The indication board 27 is an LED indication board 27, and the LED indication board 27 is electrically connected with an indication signal output end of the central processing module. After the LED indicator board 27 is electrified, the LED indicator board flickers under the control of the central processing module, so that the indicating effect is improved, and particularly the indicating effect is improved at night and under the condition of low visibility.

Claims

1. A telescopic hard shoulder comprises a base, a flexible shell and a telescopic mechanism; the method is characterized in that: the telescopic mechanism comprises a telescopic spring and a telescopic driving mechanism for driving the telescopic spring to stretch and retract; the telescopic spring is a conical spiral spring; the flexible shell is matched with the spring in shape;

2. The telescopic hard shoulder of claim 1, wherein: the telescopic driving mechanism comprises a plurality of pull ropes and a plurality of winding wheels; the pull ropes are uniformly distributed along the circumferential direction of the spring, and the reel is fixedly arranged on the base; the pull rope is fixedly connected with the top of the telescopic spring, and the pull rope is fixedly connected with the reel.

3. The telescopic hard shoulder of claim 2, wherein: each pull rope comprises a first rope body, a second rope body and a third rope body; the connecting end of the first rope body and the connecting end of the second rope body are respectively connected with the connecting end of the third rope body; the fixed end of the first rope body is fixedly connected with the top end of the telescopic spring, the fixed end of the second rope body is fixedly connected with the bottom end of the telescopic spring, and the fixed end of the third rope body is fixed on the reel.

4. The telescopic hard shoulder of claim 3, wherein: the telescopic spring is provided with a guide ring, and the third rope body penetrates through the guide ring and is arranged along the vertical direction; the base is provided with a guide pulley which is just opposite to the third rope body, and the third rope body is wound on the reel through the guide pulley.

5. The telescopic hard shoulder of claim 1, wherein: the multifunctional trolley further comprises at least three walking wheels, and the walking wheels are connected with the base.

6. The telescopic hard shoulder of claim 5, wherein: the lifting mechanism is used for driving the travelling wheels to lift; the lifting mechanism comprises a lifting frame, a lifting driving piece and a transmission mechanism; the walking wheels are fixedly connected with the lifting frame; the transmission mechanism comprises a transmission shaft, a gear rack group and a bevel gear group; the gear rack set comprises a transmission shaft gear and a wheel shaft rack, and the bevel gear set comprises a first bevel gear and a second bevel gear; the power output shaft for driving the lifting piece is fixedly connected with the first bevel gear, the first bevel gear drives the second bevel gear to rotate, the transmission shaft is inserted into the second bevel gear, the two ends of the transmission shaft are fixedly connected with the transmission shaft gears respectively, the wheel shaft rack is arranged corresponding to the transmission shaft gears, and the wheel shaft rack is fixedly connected with the lifting frame.

7. The telescopic hard shoulder of claim 6, wherein: the power output shaft of the first motor is connected with the reel, and the control input end of the first motor is connected with the telescopic signal control output end of the central processing module.

8. The telescopic hard shoulder of claim 7, wherein: the lifting driving piece adopts a second motor, and the control input end of the second motor is connected with the lifting signal control output end of the central processing module.

9. The telescopic hard shoulder of claim 8, wherein: the remote control mechanism comprises a remote controller and a remote control signal receiving module; and the signal output end of the remote control signal receiving module is electrically connected with the remote control signal input end of the central processing module.

10. The telescopic hard shoulder of claim 1, wherein: the device also comprises an alarm mechanism; the alarm mechanism comprises a collision power-off switch, an energy storage capacitor and an alarm; the energy storage capacitor and the collision power-off switch are connected in series in a power supply loop, and the energy storage capacitor supplies power to the alarm through a discharge loop of the energy storage capacitor.