CN203238552U - Assembling-type highway steel bridge carrying erection car - Google Patents
Assembling-type highway steel bridge carrying erection car Download PDFInfo
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- CN203238552U CN203238552U CN 201320270083 CN201320270083U CN203238552U CN 203238552 U CN203238552 U CN 203238552U CN 201320270083 CN201320270083 CN 201320270083 CN 201320270083 U CN201320270083 U CN 201320270083U CN 203238552 U CN203238552 U CN 203238552U
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Abstract
The utility model discloses an assembling-type highway steel bridge carrying erection car which comprises a goods shelf, a pedal, an oil cylinder base, an oil cylinder and a handle. A stand board is fixed on the goods shelf, an ejecting board is fixed on the stand board, and the stand board is connected with the oil cylinder base through a left A connecting piece and a right A connecting piece. The oil cylinder comprises a large plunger and a small plunger, the large plunger is connected with the ejecting board, and the top end of the small plunger is contacted with the bottom end of the handle. A rear wheel is arranged at the lower end of the oil cylinder base, and the two sides of the front end of the goods shelf are respectively provided with a universal wheel. The universal wheels are connected with a front wheel cross board, the front end of a front wheel cross board is hinged to a front wheel front frame, and the front wheel front frame is hinged to a front wheel supporting base arranged on the bottom of the front end of the goods shelf. The rear end of the front wheel cross board is hinged to the front wheel rear frame, and the front wheel rear frame is hinged to the goods shelf. The fulcrum of the pedal is hinged to the rear end of the goods shelf. The pedal is connected with the stand board or the ejecting board through A springs. The assembling-type highway steel bridge carrying erection car can solve the problems that labor intensity is high during pure manpower operation, and time spent on connecting and transporting components is long, and the assembling-type highway steel bridge carrying erection car gains time for emergency compacts and rescuing and disaster relief for Chinese army.
Description
Technical field
The utility model belongs to highway steel bridge handling equipment technical field, is specifically related to a kind of assembly type steel bridge on highway carrying and sets up car.
Background technology
Assembly type steel bridge on highway as Ministry of Communications for one of material for preparedness against war of official reserves, the history of existing extensive use decades, no matter in highway bridge repairing in wartime, rush construction, overcome the rivers obstacle, or all bringing into play irreplaceable effect in antidetonation, the flood-fighting disaster relief, the traffic support at ordinary times.But assembly type steel bridge on highway set up with remove be incorporated as the industry in, particularly using cantilever release method to set up and remove the time receiving, its component kind is many, single construction weight is large, set up and remove that to be incorporated as when industry labour intensity large, the time of expending on connection and transport member is long, has affected to a certain extent logistics support and army's maneuverability.The truss of steel bridge and crossbeam are steel material, and its volume and weight are all very large.And in the assembly unit process, need accurately position transfer, yet, the present domestic auxiliary erection equipment that does not also have corresponding advanced person, the handling equipment that uses at present also can't satisfy the demand of engineering fully.Therefore, develop the light auxiliary erection of a kind of assembly type steel bridge on highway equipment, and explore correspondingly bridging method to improve operating efficiency, reduction personnel workload, the method of operating of perfect equipment is fought for my army is emergent and rescue and relief work is raced against time, and is necessary and practical.
The utility model content
The utility model is intended to overcome the deficiency of the technology of being limited to, and provides a kind of assembly type steel bridge on highway carrying to set up car.Realization is when bridging operation, using this novel auxiliary spanning equipment rapidly the steel bridge parts such as girder truss, bridge deck member, supporting member and connecting elements to be transported puts in place, and the quick aligning of realization truss top-bottom chord pin-and-hole and the assembly unit of crossbeam, simplify job content and program thereby reach, minimizing personnel operation intensity, the purpose of raising bridge formation speed.
In order to achieve the above object, the technical scheme that provides of the utility model is:
Described assembly type steel bridge on highway carrying is set up car and is comprised shelf and pedal, cylinder pedestal, is located at the oil cylinder on the cylinder pedestal, the handle hinged with the oil cylinder top; Be fixed with riser on the described shelf, be fixed with top board on the riser, two A braces were connected with cylinder pedestal about described riser passed through; Described oil cylinder comprises large plunger and small plunger, and described large plunger links to each other with top board, and described small plunger top contacts with the handle bottom; Described cylinder pedestal lower end is provided with trailing wheel, and described shelf front end both sides respectively are provided with a universal wheel; Described universal wheel is connected with the front-wheel transverse slat, and the front end of front-wheel transverse slat and front-wheel side arm are hinged, and the front-wheel side arm is hinged with the front wheeling support that is located at the shelf front bottom end, and the rear end of described front-wheel transverse slat and front-wheel after-frame are hinged, and front-wheel after-frame and shelf are hinged; The fulcrum of described pedal and shelf rear end are hinged; Described pedal is connected with riser or top board by the A spring.
Wherein, described shelf are the rectangle steel plate.The hinged end of described handle and oil cylinder is provided with cam, and described small plunger overcoat has the B spring, and described B spring top is provided with spring compressor, and described spring compressor contacts with cam.Described pedal is the steel framework structure, and front end bearing bar and the rear end bearing bar of two lever arms, two lever arms of connection is installed on the pedal, and the fulcrum of described lever arm and shelf rear end are hinged.The described car that sets up also comprises power transmission shaft; Described cylinder pedestal and A brace one end are hinged, and the A brace other end is hinged by rotating shaft and riser, and described rotating shaft and B brace one end are hinged, and the B brace other end is connected with the power transmission shaft rear end, and power transmission shaft front end and front-wheel after-frame are hinged.Described handle top is provided with control handle, and handle, at its lower end is provided with keep plate.The front portion of described shelf is provided with equalizer bar.Described trailing wheel and universal wheel place are equipped with brake.Described trailing wheel and universal wheel place are equipped with dead bolt.
Below in conjunction with the design and operating principle the utility model is described in further detail:
Carrying of the present utility model is set up the car owner and will be comprised of six parts such as hydraulic system, shelf, handle, wheel, transmission system, pedals, total length 2200mm, and beam overall 600mm, complete vehicle weight are 200kg.
1. the design of hydraulic system
The hydraulic system of setting up car adopts the principle of jack; whole hydraulic system is installed in the forging cylinder sleeve of hull back; oil cylinder adopts solid forging; good looking appearance; sturdy and durable; the employing quality steel plate is made; the chrome-plated piston bar, inner overflow valve provides overload protection, and large piston is connected with shelf; valve piston contacts with the cam of handle with spring compressor by spring; stop valve is connected with check mechanism with joystick by chain, can control easily the decline of shelf, and spool adopts integral member; can improve the hydraulic means life-span, reduce maintenance.When doing lever motion downwards, handle promotes the energy source device motion, mechanical energy converts hydraulic energy to, spring promotion valve piston sets back when handle is upwards done lever motion, in motion process, the hydraulic stroke scope is about 120mm-230mm, and energy is finished the conversion that mechanical energy arrives mechanical energy again to hydraulic energy.
2. the design of handle
Handle adopts the AC handle, and is hinged by bolt and hydrostatic forging cylinder, fixed with the rotary steering platform, is used for propelling movement, trailer wagon and shelf lifting.The tiller of head is surrounded by rubber sheath, control handle is housed in the middle of the tiller, control handle has three duties, respectively three positions, upper, middle and lower, upper for control shelf underspeed the effect of meta limited location, the next lifting for shelf, wherein, control handle is positioned at meta during transport condition, and control handle is positioned at the next during the lifting shelf.The chain that connects control handle and stop valve is arranged in the handle pillar, and simultaneously, the chain in the handle links to each other with handle bottom check mechanism, also can finish the decline of shelf by check mechanism.
3. the design of shelf
Shelf design according to the structure that mainly transports object girder truss, long 2400mm, and wide 600mm, the Plate Welding that adopts No. 45 forgings to cause forms, and sturdy and durable, bearing capacity can reach 2.5t, adopts to carry the design of the upper installation of wheel conical bracket, can protect and carry wheel and a driving shaft.Be provided with equalizer bar apart from afterbody 500mm place above the shelf, diameter is 45mm, transports in the process, and equalizer bar approximately makes the slight lifting of truss in 1/2nd places in the truss bottom, can realize the WidFin of truss in splicing.The shelf bottom is connected with the large piston of hydraulic system, can oscilaltion, its speed can be by handle and check mechanism control, the shelf minimum altitude is 60mm, and maximum height is 240mm, and flat the rolling of puopulsion equipment highly is about 184mm, truss male and female connector maximum height can reach 205mm, satisfy truss male and female connector docking desired height, by regulating the rising height of shelf, can realize the accurate docking of truss.Simultaneously, shelf also are used for transporting other members such as bridge, as flatly roll, rock and roll.
4. the design of wheel
Wheel divides takes as the leading factor to wheel and front end BOGEY WHEEL, and main directive wheel is formed by two wheel combination, and diameter is 200mm, directly fixed with the rotary steering platform, drive guide table by handle and rotate, thereby the change directive wheel towards, the control carrier direction of motion, its steering angle is ± 60 °.Main directive wheel also is carrier rear end BOGEY WHEEL simultaneously, and is provided with brake, in transporting steel bridge member process, the shelves to ON is stepped in brake, when joggle truss or crossbeam the shelves to OFF is stepped in brake, can play fixing vehicle wheel.The front end BOGEY WHEEL adopts universal rotational type wheel, and diameter is 80mm, can realize that 360 ° turn to, and is connected with power transmission shaft by the front end wheel hub, and its support can be along with the rising (or reduction) of shelf raise (or reduction).Main directive wheel and front end BOGEY WHEEL all are provided with dead bolt, when transporting and splice the steel bridge member, both can fix main directive wheel, fixing front end BOGEY WHEEL again, also can be simultaneously fixing two-wheeled, realize accurately transporting and accurately splicing of truss.
5. the design of transmission system
Transmission system can be decomposed into four parts: wheel shaft, front-wheel support, drive link, rear wheel support.Under the effect of actuating unit hydraulic system, transmission system makes the shelf lifting through machine driving.
It is the 40Cr alloy steel that wheel shaft mainly adopts material, mainly bears direct shear stress and moment of flexure.
Front-wheel support is the main member of guaranteeing the shelf rising height, and mainly adopting material is the 40Cr alloy steel, mainly bears shear stress, compressive stress and moment of flexure.Its structural failure is set up the car allomeric function to carrying and is destroyed greatlyr, thereby its size that meets with stresses has decisive action to the utmost carrying ability ability.
Similar with front-wheel support, rear wheel support also is the main member of guaranteeing the shelf rising height, and mainly adopting material is the 40Cr alloy steel, mainly bears shear stress, compressive stress and moment of flexure.
It is low-carbon alloy steel that drive link mainly adopts material, mainly bears direct compressive stress.
6. the design of pedal
Pedal is formed by the steel-pipe welding that two steel discs, a slice angle steel and No. 45 forging cause, and integral body adopts lever principle in echelon, fulcrum is on shelf, lever short arm (long 125mm) side pressure is under truss, and long-armed (long 500mm) end spring suspended can apply active force.In the truss splicing, by a long-armed end is applied directed force F, just can produce at galianconism one end the active force of 4F, thereby regulate the height of truss connecting pin, be convenient to accurate splicing, the vertical fine setting when having realized the truss splicing.The lever front end is 130mm to the distance of spring carrier arm, and under normal circumstances, the pulling force by spring makes pedal remain level, highly is 120mm, can guarantee handle driven hydraulic system.
Operating principle:
Be equipped with ground, the valve piston cylinder that car utilizes the hand lever starting hydraulic system is set up in carrying, by hydraulic drive, drive large piston, the jack-up shelf, (rim brake is positioned at the next duty in the lifting process to be adjusted to proper height, the relief valve of hydraulic system cuts out locking, the rear hydraulic locking cylinder that puts in place is in packing state, and hydraulic system realizes the conversion that mechanical energy arrives mechanical energy again to hydraulic energy in the overall process).
Transport in the process, the operator by handle push, traction transport sets up car, and utilize handle rotation control bottom master's directive wheel towards, thereby control body movement direction.Truss both can transport by vertical purlin, also can transport by falling the purlin, and the dead bolt that car need take out front end BOGEY WHEEL (being the universal rotational wheel) is set up in carrying.The bridge members such as car also can transport crossbeam, flat rolls, bridge plate are set up in carrying.
Setting up ground, when transport the purlin, need truss class that truss is erected, and roll on splicing and (stand the purlin when transporting flat, but direct splicing), car is set up in carrying can realize that (rim brake is positioned at upper duty to up and down significantly adjusting of truss in the decline process, and the relief valve of hydraulic system is opened, the hydraulic oil backflow by check mechanism and handle, hydraulic cylinder pressure relief, until shelf reach predetermined altitude), also can pass through pedal, utilize lever principle to realize the up and down fine setting of truss, simultaneously, realize the WidFin (cylindrical contact surface is comparatively smooth, has reduced the friction factor with truss, is conducive to the move left and right of truss) of truss by equalizer bar.It also is to realize that by handle truss significantly regulates up and down that car is set up in carrying, and the accurate splicing that realizes truss, crossbeam that turns to by universal wheel.In the whole splicing, car is set up in this carrying should start brake gear, fixedly car body.Truss class squeezes into rapidly pin.Withdraw from carrying and set up car, continue carrying.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is under the prerequisite that does not improve the shelf height, design first and developed univesal wheelwork, realized carrying and set up car all can be realized any direction under any state rotation, design simultaneously location and the check mechanism of deflecting roller, realized displacement and braking that car is set up in carrying.The micromatic setting of device design (equalizer bar and pedal) has been realized the Dock With Precision Position in the steel bridge erection process, and has improved and set up car to the adaptive capacity of different terrain.
The utilization of this equipment can improve the speed of setting up more than 25%, and the operating personnel reduces approximately 40%, and operation intensity only is original about 50%, and the large intensity operation duration is short, and mobility also strengthens thereupon, when its superiority of build a bridge when longer more obvious.In the truss docking operation, utilization itself makes docking more quick, accurate, laborsaving accurately to connection function, the insertion of pin, smashes out and can settle at one go, and efficient significantly improves.And can adapt to operation under the multiple landform by wheel change more, practicality is stronger.Take set up stride the footpath as the HD200 shaped steel bridge of the double individual layer of 21m as example, required troops are 41 people, a people team leader wherein, two eight people of truss class, two each eight people of crossbeam class, one connects eight people of class, total 2 hours consuming time, personnel's intensive work was not less than 1 hour, and the use of this novel auxiliary spanning equipment can be reduced as troops 25 people, a people team leader wherein, eight people of truss class, eight people of crossbeam class, one connects eight people of class, total 1.5 hours consuming time, personnel's intensive work was no more than 0.5 hour.
Simultaneously, this sets up car and has very strong transporting capacity, once can carry fast eight truss at most, and speed is original more than 10 times, and it is 5 people that the operating personnel is simplified by 8 people.
The car bearing capacity is set up in this carrying can reach 2.5t, can realize the accurate docking of truss, crossbeam, in the course of work, this carrying is set up car and is adopted the manual work mode, be equipped with ground, the personnel that set up carry on equipment with the steel bridge member, and are transported to operation field (distance is generally 30-40 meters), transporting only needs four-player to fix in the process, reduced the required troops of carrying.This car normal travel speed is 1.0m/s, and the running gait of march can reach 2.0m/s, in the bridge formation splicing, by the handle drives hydraulic system, thereby realize the lifting of shelf, can realize the up and down fine setting of truss by pedal, equalizer bar can reduce the resistance of truss move left and right.Thereby realize the fast accurate docking of truss, improve operating efficiency.
In a word, it is easy, efficiently, safely, fast and accurately, steadily that the utility model is accomplished the loading and unloading of equipment, thereby significantly promote operating efficiency, saves multiple resources.So that realize mechanization in carrying with during joggle truss, labour intensity is large when solving simple manpower operation, expend connect and transport member on long problem of time, for meet an urgent need operation and the rescue and relief work of my army raced against time.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is rear elevation of the present utility model.
Among the figure: 1, shelf; 2, pedal; 3, cylinder pedestal; 4, oil cylinder; 5, handle; 6, riser; 7, top board; 8, large plunger; 9, small plunger; 10, spring compressor; 11, universal wheel; 12, A spring; 13, cam; 14, B spring; 15, front end bearing bar; 16, rear end bearing bar; 17, front-wheel transverse slat; 18, front-wheel side arm; 19, front-wheel after-frame; 20, A brace; 21, rotating shaft; 22, B brace; 23, power transmission shaft; 24, control handle; 25, keep plate; 26, equalizer bar; 27, trailing wheel; 28, lever arm.
The specific embodiment
Embodiment 1
Described assembly type steel bridge on highway carrying is set up car and is comprised shelf 1 what pedal 2, cylinder pedestal 3, is located at the oil cylinder 4 on the cylinder pedestal 3, the handle 5 hinged with oil cylinder 4 tops; Be fixed with riser 6 on the described shelf 1, be fixed with top board 7 on the riser 6, two A braces 20 were connected with cylinder pedestal 3 about described riser 6 passed through; Described oil cylinder 4 comprises large plunger 8 and small plunger 9, and described large plunger 8 links to each other with top board 7, and described small plunger 9 tops contact with handle 5 bottoms; Described cylinder pedestal 3 lower ends are provided with trailing wheel 27, and described shelf 1 front end both sides respectively are provided with a universal wheel 11; Described universal wheel 11 is connected with front-wheel transverse slat 17, the front end of front-wheel transverse slat 17 and front-wheel side arm 18 are hinged, front-wheel side arm 18 is hinged with the front wheeling support 29 that is located at shelf 1 front bottom end, and the rear end of described front-wheel transverse slat 17 and front-wheel after-frame 19 are hinged, and front-wheel after-frame 19 is hinged with shelf 1; The fulcrum of described pedal 2 and shelf 1 rear end are hinged; Described pedal 2 is connected with riser 6 or top board 7 by A spring 12.
Wherein, described shelf 1 are the rectangle steel plate.Described handle 5 is provided with cam 13 with the hinged end of oil cylinder 4, and described small plunger 9 overcoats have B spring 14, and described B spring 14 tops are provided with spring compressor 10, and described spring compressor 10 contacts with cam 13.Described pedal 2 is the steel framework structure, and front end bearing bar 15 and the rear end bearing bar 16 of two lever arms 28, two lever arms 28 of connection is installed on the pedal 2, and the fulcrum of described lever arm 28 and shelf 1 rear end are hinged.The described car that sets up also comprises power transmission shaft 23; Described cylinder pedestal 3 is hinged with A brace 20 1 ends, A brace 20 other ends are hinged by rotating shaft 21 and riser 6, described rotating shaft 21 is hinged with B brace 22 1 ends, and B brace 22 other ends are connected with power transmission shaft 23 rear ends, and power transmission shaft 23 front ends and front-wheel after-frame 19 are hinged.Described handle 5 tops are provided with control handle 24, and handle 5 lower ends are provided with keep plate 25.The front portion of described shelf 1 is provided with equalizer bar 26.Described trailing wheel 27 and universal wheel 11 places are equipped with brake.Described trailing wheel 27 and universal wheel 11 places are equipped with dead bolt.
Claims (9)
1. car is set up in an assembly type steel bridge on highway carrying, it is characterized in that, the described car that sets up comprises shelf (1) and pedal (2), cylinder pedestal (3), is located at the oil cylinder (4) on the cylinder pedestal (3), the handle (5) hinged with oil cylinder (4) top; Be fixed with riser (6) on the described shelf (1), be fixed with top board (7) on the riser (6), two A braces (20) were connected with cylinder pedestal (3) about described riser (6) passed through; Described oil cylinder (4) comprises large plunger (8) and small plunger (9), and described large plunger (8) links to each other with top board (7), and described small plunger (9) top contacts with handle (5) bottom; Described cylinder pedestal (3) lower end is provided with trailing wheel (27), and described shelf (1) front end both sides respectively are provided with a universal wheel (11); Described universal wheel (11) is connected with front-wheel transverse slat (17), the front end of front-wheel transverse slat (17) and front-wheel side arm (18) are hinged, front-wheel side arm (18) is hinged with the front wheeling support (29) that is located at shelf (1) front bottom end, the rear end of described front-wheel transverse slat (17) and front-wheel after-frame (19) are hinged, and front-wheel after-frame (19) is hinged with shelf (1); The fulcrum of described pedal (2) and shelf (1) rear end are hinged; Described pedal (2) is connected with riser (6) or top board (7) by A spring (12).
2. the car that sets up as claimed in claim 1 is characterized in that, described shelf (1) are the rectangle steel plate.
3. the car that sets up as claimed in claim 1, it is characterized in that, described handle (5) is provided with cam (13) with the hinged end of oil cylinder (4), described small plunger (9) overcoat has B spring (14), described B spring (14) top is provided with spring compressor (10), and described spring compressor (10) contacts with cam (13).
4. the car that sets up as claimed in claim 1, it is characterized in that, described pedal (2) is the steel framework structure, front end bearing bar (15) and the rear end bearing bar (16) of two lever arms (28), two lever arms of connection (28) are installed on the pedal (2), and the fulcrum of described lever arm (28) and shelf (1) rear end are hinged.
5. the car that sets up as claimed in claim 1 is characterized in that, the described car that sets up also comprises power transmission shaft (23); Described cylinder pedestal (3) is hinged with A brace (20) one ends, A brace (20) other end is hinged by rotating shaft (21) and riser (6), described rotating shaft (21) is hinged with B brace (22) one ends, B brace (22) other end is connected with power transmission shaft (23) rear end, and power transmission shaft (23) front end and front-wheel after-frame (19) are hinged.
6. the car that sets up as claimed in claim 1 is characterized in that, described handle (5) top is provided with control handle (24), and handle (5) lower end is provided with keep plate (25).
7. the car that sets up as claimed in claim 1 is characterized in that, the front portion of described shelf (1) is provided with equalizer bar (26).
8. the car that sets up as claimed in claim 1 is characterized in that, described trailing wheel (27) and universal wheel (11) locate to be equipped with brake.
9. the car that sets up as claimed in claim 1 is characterized in that, described trailing wheel (27) and universal wheel (11) locate to be equipped with dead bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270083 CN203238552U (en) | 2013-05-17 | 2013-05-17 | Assembling-type highway steel bridge carrying erection car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270083 CN203238552U (en) | 2013-05-17 | 2013-05-17 | Assembling-type highway steel bridge carrying erection car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238552U true CN203238552U (en) | 2013-10-16 |
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ID=49315867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320270083 Withdrawn - After Issue CN203238552U (en) | 2013-05-17 | 2013-05-17 | Assembling-type highway steel bridge carrying erection car |
Country Status (1)
| Country | Link |
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| CN (1) | CN203238552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243655A (en) * | 2013-05-17 | 2013-08-14 | 中国人民解放军国防科学技术大学 | Assembling highway steel bridge transporting and erecting vehicle |
| CN106677072A (en) * | 2017-01-26 | 2017-05-17 | 中国人民解放军国防科学技术大学 | Detachable highway steel bridge carrying and erecting vehicle of average height installation |
-
2013
- 2013-05-17 CN CN 201320270083 patent/CN203238552U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243655A (en) * | 2013-05-17 | 2013-08-14 | 中国人民解放军国防科学技术大学 | Assembling highway steel bridge transporting and erecting vehicle |
| CN106677072A (en) * | 2017-01-26 | 2017-05-17 | 中国人民解放军国防科学技术大学 | Detachable highway steel bridge carrying and erecting vehicle of average height installation |
| CN106677072B (en) * | 2017-01-26 | 2019-04-09 | 中国人民解放军国防科技大学 | Detachable highway steel bridge carrying and erecting vehicle with general height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Dianyi Inventor after: Xu Wei Inventor after: Xu Minfei Inventor after: Gong Youxing Inventor after: Hu Ping Inventor before: Song Dianyi |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SONG DIANYI TO: SONG DIANYI XU WEI XU MINFEI GONG YOUXING HU PING |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20150325 |
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| RGAV | Abandon patent right to avoid regrant |