CN102991401B - High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility - Google Patents
High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility Download PDFInfo
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- CN102991401B CN102991401B CN201210558516.9A CN201210558516A CN102991401B CN 102991401 B CN102991401 B CN 102991401B CN 201210558516 A CN201210558516 A CN 201210558516A CN 102991401 B CN102991401 B CN 102991401B
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Abstract
High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility：Vehicle frame is installed on running gear and is provided with dynamical system and control system, slew gear is connected with by securing member on vehicle frame, slew gear top is hinged with lift supporting arm frame one end；The lift supporting arm other end is hinged with flexible job platform end；Levelling device is installed between slew gear and flexible job platform；Flexible job platform afterbody is also equipped with scaling platform docking facilities；Dynamical system provides power for each equipment；Control system controls the operation of each equipment.The present invention can set up escape truck on a highway in the air, in the case where vehicle pass-through is not affected, carry out the built on stilts laying of cable and keep in repair, personnel by convenient and swift, without the need for for ensureing job safety, provisional closing to highway, it is to avoid because of road congestion, the generation of the social public accident for causing, while the good working strength for effectively reducing repair personnel.Improve work efficiency.
Description
Technical field
The present invention relates to a kind of power equipment, and in particular to a kind of in the special of High Altitude Emergency erection highway crossing wire facility
Use vehicle.
Background technology
In July, 2011 Shanghai-Nanjing freeway Nanjing section electric power cable is struck by lightning, and causes three circuits all to damage and have one
Root circuit drops on highway, for carrying out the two-way street of maintenance work Shanghai-Nanjing freeway herds of horses charge station to 30 kilometers of soup mountain ring road
Road is all closed, and obstruction Vehicle length is participated in repair personnel up to more than 80 people, lasts 40 minutes and terminate up to 3 kilometers.
Carry out through both sides of highway aerial cable repairing operation when, cable need to be crossed road and be laid temporarily,
It is fixed on after crane gear raising again on tower bar, due to by the mounting distance space requirement between cable, the weight of cable itself
Amount, and the impact of the factor such as the single function of crane gear, can only carry out the raising of single cable, raising electricity in installation process
During cable, vehicle is impassable, causes the blocking of highway, and the hub region for affecting traffic, particularly vehicle flowrate larger is past
Toward chain traffic jam on a large scale can be caused, cause traffic paralysis.
In installation process, person works' amount is big simultaneously, and without special operation equipment, efficiency is low, and the time is long, particularly in circuit
During repairing operation, it is to complete in the stipulated time, repair personnel is numerous, and working strength is multiplied.
Content of the invention
The invention aims to overcoming the deficiencies in the prior art, there is provided a kind of convenient and swift, reliable and stable, function
Strong emergency repair stringing vehicle High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility.The special-purpose vehicle can be
In the case that highway does not affect vehicle pass-through, carry out that laying maked somebody a mere figurehead by cable and personnel pass through, can effectively tackle because across
More common road and highway fall because aerial cable breaks institute caused by a traffic jam, while also effective alleviate repairing
The working strength of personnel, reduces the harmful effect of such social public accident.
The present invention is realized with following technical scheme：A kind of High Altitude Emergency sets up the special-purpose vehicles of highway crossing wire facility
, vehicle frame is installed on running gear, and is provided with dynamical system and control system, it is characterised in that by tight on vehicle frame
Firmware is connected with slew gear, and the slew gear top is hinged with one end of lift supporting arm；The lift supporting arm another
One end is hinged with the end of flexible job platform；Levelling device is installed between the slew gear and flexible job platform；Institute
The afterbody for stating flexible job platform is also equipped with scaling platform docking facilities（Abbreviation docking facilities）；It is above each by dynamical system
The action of equipment provides power；Operational motion using the above each equipment of control system control.
The High Altitude Emergency of the present invention set up the special-purpose vehicle of highway crossing wire facility be one kind can realize quick mobile,
Secure support, orientation adjustment, height adjustment, platform stance keep, active length is adjusted, operation is consolidated, is reliably connected, function is fitted
The special-purpose vehicle of answering property.
In other words, the technical scheme is that：A kind of emergency repair stringing vehicle is on running gear to install vehicle frame,
It is connected by securing member with vehicle frame below slew gear, slew gear top is hinged with lift supporting arm frame one end, is lifted
The other end of support arm is hinged with the end of flexible job platform, is provided with leveling dress between slew gear and flexible job platform
Put, the afterbody of flexible job platform is also equipped with docking facilities.
Its prioritization scheme is hinged auxiliary support arm in the afterbody of flexible job platform, and the afterbody of auxiliary support arm can be provided with
Leg disc, strengthens the job stabilization of the car, can install stringing auxiliary device, strengthen the functional adaptation of the car on scaling platform
Property.
Described running gear can adopt self-propelled chassis special, automobile chassis may also be employed, realizes the quick of the car
Mobile.
Described vehicle frame, can also have supporting leg, in vehicle operation, stretch out supporting leg to increase the job stabilization of the car.
Described supporting leg can adopt splayed formula, X-form or H-shaped formula.
Pivoting support is carried with power vehicle frame junction below described slew gear, liquid is preferentially adopted under the prior art
Pressure motor drives revolution, hydraulic jack may also be employed and drives revolution.
Described lift supporting arm, preferentially drives lifting using hydraulic jack under the prior art.
Described lift supporting arm can adopt a joint arm of prior art, and multi-stage telescopic arms may also be employed.
On described lift supporting arm, it is provided with and personnel can be provided upper and lower cat ladder.
Described levelling device, can synchronize leveling using forms such as pull bar, chain, hydraulic jacks.
Described flexible job platform preferentially using the truss structure of prior art, may also be employed box-structure.
Described flexible job platform can adopt a section truss arm or jib structure, be also adopted by multi-joint telescoping truss arm or stretch
Contracting jib structure.
Described flexible job platform, during using multi-joint telescoping truss arm or multi-section telescopic cantilever structure, can pass through hydraulic pressure
Oil cylinder direct drive is flexible, hydraulic motor may also be employed and drives chain to be stretched.
On described flexible job platform, the safety that can meet that personal security passes through on flexible job platform is installed
Preventer.
Described auxiliary support arm, can be rotated around the hinge being connected with flexible job platform.
Described Auxiliary support arm configuration, can adopt the arm support form of a section or more piece, also can directly only with flexible
Oil cylinder or the form of multi-stage expansion fluid oil cylinder.When Auxiliary support arm configuration adopts more piece arm support, the mode for driving which flexible can
Think telescopic oil cylinder, it is fluid motor-driven screw mandrel that may also be employed, or manpower drives leading screw.
Described rotary motion is driven by rotary motor, oscillating oil cylinder, be may also be and is driven by telescopic oil cylinder, and this is stretched
Contracting cylinder pedestal is hinged with flexible job platform, and telescopic oil cylinder end is hinged with lift supporting arm end.
Described docking facilities are made up of buffer unit and flexible connecting device, and buffer unit is using rubber, foaming modeling
Material etc. is connected using articulated manner with flexible job platform with the material for absorbing impact, flexible connecting device, can carry out level
0～180 ° of rotation on direction.
Described dynamical system can be the power set on running gear, may also be independent electromotor or motor
Equal power device.Dynamical system can provide power for hydraulic system, drive the action of the car.
Described control system can adopt the control of manual control system, electrical control gear or wireless remote controller to be somebody's turn to do
The action of car.
The operational method its feature is：
Using machinery, fast erecting, personnel's aerial work passage is formed, can be set as personnel working platform or wire
Apply and lift passage.
Using above-mentioned High Altitude Emergency set up highway crossing wire facility special-purpose vehicle on a highway operation when, step
As follows：
(1). two emergency repair stringing vehicles rest in the both sides Emergency Vehicle Lane of highway respectively, between two car slew gears
Air line distance be not more than the flexible overhanging operation time degree sum of job platform of two cars；
(2). operate two emergency repair stringing vehicles respectively, by lifting lift supporting arm, so as to drive flexible job platform
Give rise to identical height；
(3). by the rotation of slew gear, the flexible job platform for making two emergency repair stringing vehicles is in straight line；
(4). overhanging flexible job platform, make the flexible job platform of two emergency repair stringing vehicles pass through buffer unit pair
Connect；
(5). personnel reach flexible job platform by the cat ladder on lift supporting arm, by two emergency repair stringing vehicles
Flexible connecting device is docked, and personnel carry out normal operation.
When above-mentioned steps are carried out (3), it is preferably to achieve a butt joint, flexible job platform angle can be carried out in docking
Adjustment.
Its prioritization scheme, before carrying out step (5), can increase following steps：
⑷-1：There is auxiliary support arm such as emergency repair stringing vehicle, first auxiliary support arm can be rotated to perpendicular to the ground,
Overhanging auxiliary support arm, makes auxiliary support arm implement in ground.Increase the firm support to the job platform that stretches.
Described step (1)-step (4), if on the narrower road in road surface, separate unit emergency repair stringing may also be employed
Car carries out operation.
Beneficial effects of the present invention：Using the car and operational method can in the upper aerial erection escape truck of highway,
In the case where vehicle pass-through is not affected, carry out the built on stilts laying of cable and keep in repair, personnel by convenient and swift, without the need for for ensureing
Job safety, the provisional closing to highway, it is to avoid because of road congestion, the generation of the social public accident for causing, with
When the good working strength for effectively reducing repair personnel.Improve work efficiency.
Description of the drawings
Fig. 1 is general structure schematic diagram of the present invention, illustrates a kind of simple structure form of the invention in figure.
Fig. 2 is emergency repair stringing vehicle operational method schematic diagram.
Fig. 3 is the A of Fig. 2 to close-up schematic view.
In figure：L, running gear（Automobile chassis）, 2, vehicle frame（Containing supporting leg）, 3, slew gear（With pivoting support, return
Turn not shown in supporting figure）, 4, lift supporting arm, 5, cat ladder, 6, amplitude oil cylinder, 7, balancing pull rod, 8, connecting seat, 9, truss-like
Scaling platform, 10, auxiliary support arm, 11, telescopic oil cylinder, 12, leg disc, 13, buffer unit, 14, flexible connecting device, 15,
Connecting pin.
Specific embodiment
Embodiment 1, sets up the special-purpose vehicle of highway crossing wire facility, and special-purpose vehicle structure is as shown in figure 1, emergency repair
Stringing vehicle is by running gear 1, the vehicle frame 2 containing supporting leg, slew gear 3, lift supporting arm 4 with pivoting support, flexible operation
Platform（It is made up of connecting seat 8 and truss-type telescopic platform 9）, auxiliary support arm 10, docking facilities（By buffer unit 13 and flexibility
Attachment means 14 are constituted）Constitute, quickly can move, secure support, orientation adjustment, height adjustment, platform stance keep, work
Length adjustment, operation are consolidated, are reliably connected, the special-purpose vehicle of function adaptability.
Emergency repair stringing vehicle connects in the following way, and vehicle frame 2 is housed on running gear 1, installs revolution on vehicle frame 2
Mechanism 3, is connected by securing member with vehicle frame 2 below slew gear 3, and 3 top of slew gear is cut with scissors with 4 one end of lift supporting arm
Connect, the other end of lift supporting arm 4 is hinged with the connecting seat 8 of the end for being weldingly fixed on truss-type telescopic platform 9, and truss-like is stretched
The afterbody of contracting platform 9 is hinged the end of auxiliary support arm 10, and the afterbody of truss-type telescopic platform 9 is also equipped with 13 He of buffer unit
Flexible connecting device 14（Fig. 1 is not shown）, the afterbody of auxiliary support arm 10 is provided with leg disc 12.
6 base of amplitude oil cylinder is hinged with turntable, and end is hinged with lift supporting arm 4,7 end of balancing pull rod and revolution
Mechanism 3 is hinged（Not shown in figure）, 7 other end of balancing pull rod is hinged with connecting seat 8.
Truss-type telescopic platform 9 is also equipped with hydraulic jack using three sections flexible truss structure on truss-type telescopic platform 9
（Not shown in figure）, truss-type telescopic platform can be driven to be stretched.
11 base of telescopic oil cylinder is hinged with truss-type telescopic platform 9,11 end of telescopic oil cylinder and 10 end of auxiliary support arm
It is hinged, by the flexible of telescopic oil cylinder, drives auxiliary support arm 10 to be rotated.
Auxiliary support arm 10 used in this example is three-level telescopic oil cylinder, and oil cylinder afterbody is provided with leg disc 12, during work
Auxiliary support arm 10 can carry out Auxiliary support to truss-type telescopic platform 9.
Flexible connecting device can be attached with the flexible connecting device bearing pin of another chassis, and there is certain activity,
Torsional deformation when preventing two car arm support stress
Operational method of the present invention, when seeing the car operation shown in Fig. 2 and Fig. 3, two emergency repair stringing vehicles are rested in respectively
On the both sides track of highway, two cars return mounting mechanism centre distance less than the flexible overhanging operation time degree of job platform of two cars it
With.
Supporting leg on two chassis vehicle frames 2 by overhanging and under stretch, make the support of vehicle and ground real, and with horizontal plane level, 2
Car drives 4 raising of lift supporting arm, lift supporting arm 4 to drive the lifting of 8 above section of connecting seat by the retraction of amplitude oil cylinder 6 respectively
Identical height is reached, balancing pull rod 7 pulls connecting seat 8 in lifting process, keep 8 above section of connecting seat to keep and level
The level in face.
By slew gear 3 after lifting, two chassis are turned round to road-center, truss-type telescopic platform 9 is located at a high speed
The overhead of road driveway, and the truss-type telescopic platform 9 of two chassis is made in straight line.
The overhanging truss-type telescopic platform 9 of difference, is achieved a butt joint by buffer unit 13, two chassis truss-like during usual operation
The tail end of scaling platform 9 reaches highway center isolation strip overhead, i.e. two chassis joints reach the isolation of highway center
Band overhead.
Operate two chassis telescopic oil cylinders 11 to be bounced back respectively, two chassis auxiliary support arms 10 is rotated to and hang down with ground
Directly, the overhanging auxiliary support arm 10 of difference, is made auxiliary support arm 10 be implemented in ground by leg disc 12, is played to truss-type telescopic
9 Auxiliary support of platform is acted on, and whole boom device is in " gantry " shape.
The cat ladder 5 that personnel can pass through on the lift supporting arm 4 of any one chassis of two chassis reaches truss-type telescopic platform 9,
Junction is reached, the flexible connecting device 14 of two chassis is attached, two chassis are attached by inserting connecting pin 15.
Personnel can carry out operation by truss-type telescopic platform 9 across road.
Claims (6)
1. a kind of High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility, is provided with vehicle frame, and sets on running gear
Dynamic system and control system, it is characterised in that be connected with slew gear by securing member on vehicle frame, on the slew gear
Portion is hinged with one end of lift supporting arm；The other end of the lift supporting arm is hinged with the end of flexible job platform；Institute
State, between slew gear and flexible job platform, levelling device is installed；The afterbody of the flexible job platform is also equipped with stretching
Platform docking facilities；The dynamical system provides power for the action of above each equipment；The control system control is above respectively to be set
Standby operational motion；
Auxiliary support arm is hinged with the afterbody of the flexible job platform, the afterbody of the auxiliary support arm is provided with leg disc；
Stringing auxiliary device is installed on the flexible job platform；
Described running gear adopts self-propelled chassis special；Or adopt automobile chassis；Described vehicle frame is provided with supporting leg；Described
Slew gear below with power vehicle frame junction carry pivoting support；
Supporting leg, the supporting leg of X-form of the described supporting leg using splayed formula, or the supporting leg of H-shaped formula；
Described slew gear is turned round using fluid motor-driven；Or revolution is driven using hydraulic jack.
2. High Altitude Emergency according to claim 1 sets up the special-purpose vehicle of highway crossing wire facility, it is characterised in that
Described lift supporting arm, drives lifting using hydraulic jack；
Described lift supporting arm adopts a joint arm, or adopts multi-stage telescopic arms；
On described lift supporting arm, it is provided with and personnel can be provided upper and lower cat ladder.
3. High Altitude Emergency according to claim 1 sets up the special-purpose vehicle of highway crossing wire facility, it is characterised in that institute
The levelling device that states, synchronizes leveling using the form of pull bar, chain, or hydraulic jack.
4. High Altitude Emergency according to claim 1 sets up the special-purpose vehicle of highway crossing wire facility, it is characterised in that
Described flexible job platform adopts truss structure, or adopts box-structure；
Described flexible job platform is using a section truss arm or jib structure, or adopts multi-joint telescoping truss arm or telescopic arm
Frame structure；
Described flexible job platform is during using multi-joint telescoping truss arm or multi-section telescopic cantilever structure, straight by hydraulic jack
Connect driving flexible, or drive chain to be stretched using hydraulic motor.
5. High Altitude Emergency according to claim 4 sets up the special-purpose vehicle of highway crossing wire facility, it is characterised in that institute
The docking facilities that states are made up of buffer unit and flexible connecting device；The flexible connecting device is with flexible job platform using hinge
The mode of connecing connects, and can carry out 0～180 ° in horizontal direction of rotation.
6. the High Altitude Emergency according to one of claim 1-5 sets up the special-purpose vehicle of highway crossing wire facility, its feature
It is,
Described dynamical system is the power set on running gear, or independent electromotor or motor；
Described control system adopts manual control system, electrical control gear or wireless remote controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558516.9A CN102991401B (en) | 2012-12-20 | 2012-12-20 | High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558516.9A CN102991401B (en) | 2012-12-20 | 2012-12-20 | High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility |
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| Publication Number | Publication Date |
|---|---|
| CN102991401A CN102991401A (en) | 2013-03-27 |
| CN102991401B true CN102991401B (en) | 2017-03-15 |
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| CN201210558516.9A Active CN102991401B (en) | 2012-12-20 | 2012-12-20 | High Altitude Emergency sets up the special-purpose vehicle of highway crossing wire facility |
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| CN103996992B (en) * | 2014-04-29 | 2017-01-18 | 国家电网公司 | Mobile quick crossing frame |
| CN104538897A (en) * | 2014-12-25 | 2015-04-22 | 徐州海伦哲专用车辆股份有限公司 | Bridge type stringing trolley telescopic workbench |
| CN104734071B (en) * | 2015-04-16 | 2017-07-14 | 国家电网公司 | Electric wire stringer |
| CN109720608B (en) * | 2018-12-04 | 2023-08-18 | 燕山大学 | Vehicle-mounted movable hydraulic buffer landing platform for rocket recovery |
| CN110104003B (en) * | 2019-04-15 | 2020-07-31 | 山东科技大学 | Railway roadbed slope dangerous rock falling comprehensive disposal track engineering vehicle |
| CN110670476B (en) * | 2019-10-22 | 2020-07-17 | 宋亚伟 | Emergent overpass of municipal administration |
| CN111585213B (en) * | 2020-07-03 | 2021-09-14 | 徐州海伦哲特种车辆有限公司 | Movable bypass cable laying and conveying equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466001Y (en) * | 2001-02-26 | 2001-12-19 | 江苏省机电研究所 | Lifting supporting leg with leg supporting-force testing device for vehicle |
| CN2487599Y (en) * | 2001-05-14 | 2002-04-24 | 江苏省机电研究所 | Mechanical mechanism for working arm of working vehicle |
| CN201502033U (en) * | 2009-08-03 | 2010-06-09 | 杭州专用汽车有限公司 | Novel truss type bridge inspection car |
| CN201660847U (en) * | 2009-12-25 | 2010-12-01 | 重庆大江工业有限责任公司 | Truss type bridge-detecting vehicle |
| CN101947783A (en) * | 2010-05-28 | 2011-01-19 | 徐州海伦哲专用车辆股份有限公司 | Multifunctional aloft-work mechanical arm |
| CN201809137U (en) * | 2009-12-04 | 2011-04-27 | 徐州海伦哲专用车辆股份有限公司 | Bracket and leveling mechanism of overhead working car |
| CN202969247U (en) * | 2012-12-20 | 2013-06-05 | 徐州海伦哲专用车辆股份有限公司 | Special vehicle for aerial emergency erection of linear facilities across roads |
-
2012
- 2012-12-20 CN CN201210558516.9A patent/CN102991401B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466001Y (en) * | 2001-02-26 | 2001-12-19 | 江苏省机电研究所 | Lifting supporting leg with leg supporting-force testing device for vehicle |
| CN2487599Y (en) * | 2001-05-14 | 2002-04-24 | 江苏省机电研究所 | Mechanical mechanism for working arm of working vehicle |
| CN201502033U (en) * | 2009-08-03 | 2010-06-09 | 杭州专用汽车有限公司 | Novel truss type bridge inspection car |
| CN201809137U (en) * | 2009-12-04 | 2011-04-27 | 徐州海伦哲专用车辆股份有限公司 | Bracket and leveling mechanism of overhead working car |
| CN201660847U (en) * | 2009-12-25 | 2010-12-01 | 重庆大江工业有限责任公司 | Truss type bridge-detecting vehicle |
| CN101947783A (en) * | 2010-05-28 | 2011-01-19 | 徐州海伦哲专用车辆股份有限公司 | Multifunctional aloft-work mechanical arm |
| CN202969247U (en) * | 2012-12-20 | 2013-06-05 | 徐州海伦哲专用车辆股份有限公司 | Special vehicle for aerial emergency erection of linear facilities across roads |
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| CN102991401A (en) | 2013-03-27 |
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