CN104831636B - A kind of railway T-beam rescue trolley and rescue mode - Google Patents
A kind of railway T-beam rescue trolley and rescue mode Download PDFInfo
- Publication number
- CN104831636B CN104831636B CN201510278208.4A CN201510278208A CN104831636B CN 104831636 B CN104831636 B CN 104831636B CN 201510278208 A CN201510278208 A CN 201510278208A CN 104831636 B CN104831636 B CN 104831636B
- Authority
- CN
- China
- Prior art keywords
- rescue
- vehicle frame
- bridge erector
- railway
- hoist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention relates to a kind of railway T-beam rescue trolley and rescue mode, it comprises the vehicle frame straddling on Bridge Erector horn, road wheel assembly, running driving device, the planetary hoist that hoists, fixed pulley assembly, locking device are set on vehicle frame, below vehicle frame, be provided with movable pulley assembly, described movable pulley assembly is installed on suspension hook cartridge. In the time that one of them the hanging beam dolly on Bridge Erector breaks down, by start the lifting mechanism of hanging beam dolly other on hoist planetary hoist and the Bridge Erector of rescue trolley simultaneously, thereby make the lifting of suspension hook cartridge realize the lifting of T beam. The present invention utilizes the horn of Bridge Erector self as carrier, make working space of the present invention without particular/special requirement, and elevating capacity is large, operating efficiency is high, security performance is good, can be on great river, great river, the hilly country being connected with bridge in tunnel and circuit close on both special locations such as wired and implement rescue work, strong adaptability.
Description
Technical field
The present invention relates to a kind of railway T-beam rescue trolley and rescue mode.
Background technology
In passenger-cargo co construction of railways process, because Bridge Erector lifting mechanism breaks down (as hoisting wirerope is run out of pulley groove, steel wire rope is run out of lifting drum hub, lifting motor fault etc.), cause railway T-beam (weight is about 148 tons) to suspend in mid air, cannot normally set up, following four kinds of situations have generally broken down: situation one: occur in the process that hoists; Situation two: occur in the beam process that falls, beam sheet can be got back on car body; Situation three: occur in the beam process that falls, beam sheet falls, beam sheet lower plane is lower than car body face, but very high from bridge pier; Situation four: fall in beam process, beam sheet has approached bridge pier. Above-mentioned four kinds of situations, the third is the most dangerous.
But all quite dangerous of which kind of situation, therefore, railway T-beam rescue is link very important in construction of railways process, at present, rescue both at home and abroad all adopts large-tonnage mobile automobile to hang (250 tons of lifting capacities and more than), that its operation place requires is very high (the one, truck crane can be reached the spot, and the 2nd, there are enough erect-position spaces, the 3rd, ground will have enough bearing capacitys, and the 4th, the jib of truck crane is wanted long enough). On great rivers, the hilly country being connected with bridge in tunnel and construction line close on both special locations such as wired, and truck crane cannot be implemented rescue work. Along with the fast development of railway construction, more and more with the situation that railway tunnel in old line transformation is connected with bridge at new line, this has just increased the rescue difficulty in construction of railways process.
The problem existing for above-mentioned railway T-beam rescue, this railway T-beam rescue trolley, the special circumstances that are connected with bridge in conjunction with hilly country railway tunnel, utilize the horn of Bridge Erector self as carrier, adopt striding type on railway T-beam, have that elevating capacity is large, working space is without particular/special requirement, operating efficiency is high, security performance is good feature, and the hilly country that can be connected at great rivers, tunnel and bridge and circuit close on both special locations such as wired and implement rescue work.
Summary of the invention
Technical problem to be solved by this invention be for above-mentioned the deficiencies in the prior art provide that a kind of elevating capacity is large, working space is without particular/special requirement, railway T-beam rescue trolley and rescue mode that conformability is strong.
The technical solution adopted in the present invention is: a kind of railway T-beam rescue trolley, it is characterized in that: it comprises the vehicle frame straddling on Bridge Erector horn, on vehicle frame, be provided with for realizing the road wheel assembly of vehicle frame along the operation of Bridge Erector horn length direction, drive the running driving device of road wheel assembly, planetary hoist hoists, fixed pulley assembly, for vehicle frame is locked in to the locking device on Bridge Erector horn, below vehicle frame, corresponding fixed pulley assembly is provided with movable pulley assembly, described movable pulley assembly is installed on suspension hook cartridge, on planetary hoist, be wound with hoist rope hoisting, described hoist rope is fixedly connected with vehicle frame with fixed pulley assembly through movable pulley assembly.
By technique scheme, dispose lancet device in the bilateral symmetry of vehicle frame, described lancet device is for erection & lift suspension hook cartridge and pluck (/ extension) bundle beam steel wire rope (jack line).
By technique scheme, be respectively arranged with in the rear and front end of vehicle frame that Bridge Erector horn swings and the united equipment of upper and lower nose for adapting to. By technique scheme, described vehicle frame comprises two camber beam shoulder poles that be arranged in parallel, connects road wheel beam, fixed pulley beam, the underframe of two camber beam shoulder poles, described road wheel beam is used for installing road wheel assembly and drive unit, on underframe, be provided with the planetary hoist that hoists, described fixed pulley assembly is arranged on fixed pulley beam.
By technique scheme, described lancet device comprise the linear beam termination that is fixed on camber beam shoulder pole support shoulder pole, be installed in the triangle end wall bracket of bending on beam, manually or electric block, wherein, the upper end of triangle end wall bracket with support shoulder pole and be connected, described manually or electric block be arranged on support shoulder pole.
By technique scheme, described united equipment comprises the positioning seat being separately fixed on vehicle frame and Bridge Erector horn, is provided with alignment pin, is sleeved on the oscillating bearing on alignment pin in each positioning seat, and two oscillating bearing outer ends connect by connecting rod.
By technique scheme, described fixed pulley assembly comprises that N fixed pulley, movable pulley assembly comprise N+1 movable pulley, described hoist rope is walked around first movable pulley, first fixed pulley, second movable pulley, second fixed pulley successively from planetary hoist end, until steel wire rope is connected with vehicle frame after walking around N+1 movable pulley.
A kind of railway T-beam rescue mode, is characterized in that: it comprises the steps:
Step 1: above-mentioned railway T-beam rescue trolley is installed on the horn of Bridge Erector, No. 1 capital of rescue trolley and Bridge Erector is locked by united equipment;
Step 2, in the time that the lifting mechanism of one of them the hanging beam dolly in Bridge Erector breaks down, between the fixed pulley and movable pulley of lifting mechanism, the rope cramp of the corresponding specification of adjacent steel wire rope between two breaking down is pinned;
Step 3, remove the locking of united equipment, start the running driving device of railway T-beam rescue trolley, make railway T-beam rescue trolley be forwarded to correct position, vehicle frame and horn are locked with locking device;
Step 4, put down suspension hook cartridge with lancet device, the bundle beam steel wire rope of rescue trolley is installed on suspension hook cartridge, and is made this bundle beam steel wire rope tie T beam;
Step 5, start the planetary hoist that hoists, the setpoint distance that hoists, makes the thorough load-bearing of bundle beam steel wire rope of rescue trolley, then removes the bundle beam steel wire rope of fault hanging beam dolly;
Step 6, start the other hanging beam hoisting mechanism for trolley hoisting on planetary hoist and Bridge Erector of railway T-beam rescue trolley, beam sheet falls or rises to assigned address simultaneously, and mounting rail sheet is removed the bundle beam steel wire rope of rescue trolley, and rescue completes;
Step 7, release locking device, No. 1 post that railway T-beam rescue trolley runs to horn correct position and Bridge Erector hangs together.
Compared with prior art, the obtained beneficial effect of the present invention is: the present invention utilizes the horn of Bridge Erector self as carrier, make working space of the present invention without particular/special requirement, and elevating capacity is large, operating efficiency is high, security performance is good, can be on great river, great river, the hilly country being connected with bridge in tunnel and circuit close on both special locations such as wired and implement rescue work, strong adaptability.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is stereogram of the present invention.
Fig. 4 is the stereogram of vehicle frame in the present invention.
Fig. 5 is the front view of locking device in the present invention.
Fig. 6 is the side view of locking device in invention.
The winding schematic diagram of steel wire rope in Fig. 7 the present invention.
Fig. 8 is the structure chart of lancet device in the present invention.
Fig. 9 is the front view of united equipment in the present invention.
Figure 10 is the side view of united equipment in the present invention.
Figure 11 A-11B is rescue mode schematic diagram of the present invention.
Figure 12 is the schematic diagram that the present invention implements rescue in tunnel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-3, the present embodiment provides a kind of railway T-beam rescue trolley, it comprises the vehicle frame 1 straddling on Bridge Erector horn, on vehicle frame 1, be provided with for realizing the 4 group road wheel assemblies 4 of vehicle frame along the operation of Bridge Erector horn length direction, drive the running driving device 10 of road wheel assembly, planetary hoist 2 hoists, fixed pulley assembly 6, for vehicle frame 1 is locked in to the locking device 9 on Bridge Erector horn, below vehicle frame, corresponding fixed pulley assembly is provided with movable pulley assembly 13, described movable pulley assembly 13 is installed on suspension hook cartridge 5, suspension hook cartridge is used for installing the bundle beam steel wire rope T beam of in bundling, on planetary hoist, be wound with hoist rope hoisting, described hoist rope is fixedly connected with vehicle frame 1 with fixed pulley assembly 6 through movable pulley assembly 13. in the time that one of them the hanging beam dolly on Bridge Erector breaks down, by start the lifting mechanism of hanging beam dolly other on hoist planetary hoist and the Bridge Erector of rescue trolley simultaneously, thereby make the lifting of suspension hook cartridge realize the lifting of T beam.
In the present embodiment, as shown in Figure 4, vehicle frame 1 comprises two camber beam shoulder poles 15 that be arranged in parallel, connects road wheel beam 14, fixed pulley beam 18, the underframe 17 of two camber beam shoulder poles, wherein, camber beam shoulder pole 15 is linear beam by centre, two ends are bending beam composition, described road wheel beam is welded on the two ends of the linear beam of camber beam shoulder pole 15, be used for installing road wheel assembly 4 and running driving device 10, wherein, running driving device 10 adopts the three-in-one reductor of FAK77 to drive reductor as traveling, in 4 groups of road wheel assemblies, two groups is active road wheel, and another two groups is passive road wheel; Described underframe 17 welding are arranged on the below of bending beam, are provided with the planetary hoist 2 that hoists on underframe 17, and described fixed pulley assembly 6 is arranged on fixed pulley beam 18. Described locking device 9 is arranged on the suspension rod 16 of underframe 17. Wherein, as shown in Figure 5,6, locking device 9 comprises by bottom block 19, two pressing plates 20, trapezoidal thread screw mandrel 21, trapezoidal thread nut 22 and bolt and forms (screw mandrel and nut can substitute with hydraulic jack). Bottom block is for increasing bearing area, and pressing plate is half moon, ease of assembly and dismounting. Locking device 9 is when rescuing, and dolly and the locking of Bridge Erector horn, prevent dolly slippage.
In the present embodiment, described fixed pulley assembly comprises that 5 fixed pulleys, movable pulley assembly 13 comprise 6 movable pulleys, steel wire rope winding mode as shown in Figure 7: hoist rope is fixed on and hoists on planetary hoist, from the planetary hoist that hoists, around to No. 10 pulleys, walk pulley No. 5, walk pulley No. 9, walk pulley No. 3, walk pulley No. 8, walk pulley No. 1, walk pulley No. 6, walk pulley No. 2, walk pulley No. 7, walk pulley No. 4, the pulley of going further No. 11, last fag end is fixed on fixed pulley beam.
For the convenient suspension hook cartridge 5 of installing, there is lancet device 8 in the balanced configuration of the two ends of vehicle frame 1, as shown in Figure 8, lancet device 8 comprise be fixed on camber beam shoulder pole 15 linear beam terminations support shoulder pole 23, be installed in triangle end wall bracket 25, the bottle gouard moved by hands 24 of bending on beam, wherein, the upper end of triangle end wall bracket 25 is connected with support shoulder pole 23, and described bottle gouard moved by hands 24(can substitute with small-sized electric cucurbit) be arranged on and support on shoulder pole 23.
In the present embodiment, when Bridge Erector hanging beam dolly is under normal operation, rescue trolley is arranged on before No. 1 post of horn, to realize initial position fixing of rescue trolley, therefore, be respectively arranged with in the both sides of vehicle frame 1 that Bridge Erector horn swings and the united equipment 11 of upper and lower nose for adapting to. As shown in Fig. 9,10, united equipment 11 comprises the positioning seat 3 being weldingly fixed on respectively on vehicle frame 1 side and No. 1 post of Bridge Erector, the alignment pin 26 that be provided with dowel hole in each positioning seat 3, arranges in dowel hole, outside alignment pin 26, being set with oscillating bearing 28, two oscillating bearing 28 outer ends connects by connecting rod 27.
The present embodiment also provides a kind of T beam rescue mode (describing as an example of the third situation of the appearance in background technology example), and it comprises the steps:
Step 1: above-mentioned railway T-beam rescue trolley 29 is installed on the horn 12 of the Bridge Erector in tunnel 34, rescue trolley 29 and No. 1 capital 30 of Bridge Erector are locked by united equipment 11, hanging beam dolly 31 and Overhead rail cart 32 can freely pass through, and this state does not affect Bridge Erector normal operation (seeing Figure 11 A, 12);
Step 2, in the time that the lifting mechanism of one of them the hanging beam dolly in Bridge Erector breaks down, hanging beam dolly broke down as example in the past, between the fixed pulley and movable pulley of lifting mechanism, the rope cramp of adjacent steel wire rope corresponding specification between two breaking down is pinned, and every place must not be less than 3 rope cramps;
Step 3, remove the alignment pin of united equipment, the traveling that starts railway T-beam rescue trolley 29 drives reductor, makes railway T-beam rescue trolley be forwarded to correct position (as Figure 11 B), vehicle frame and horn is locked with locking device 9;
Step 4, put down suspension hook cartridge 5 with lancet device 8, the bundle beam steel wire rope of rescue trolley is installed on suspension hook cartridge 5, and is made this bundle beam steel wire rope tie T beam 33;
Step 5, start the planetary hoist 2 that hoists, hoist 50-100 millimeters, make the thorough load-bearing of bundle beam steel wire rope of rescue trolley 29, then remove the bundle beam steel wire rope of fault hanging beam dolly;
Step 6, start rear hanging beam dolly 31 lifting mechanisms that hoist on planetary hoist and Bridge Erector of railway T-beam rescue trolley, T beam 33 drops to assigned address, and T beam 33 is installed, and removes the bundle beam steel wire rope of rescue trolley simultaneously, and rescue completes;
Step 7, release locking device 9, the post that railway T-beam rescue trolley 29 runs to No. 1 capital 30 places of horn and Bridge Erector hangs together.
Claims (7)
1. a railway T-beam rescue trolley, it is characterized in that: it comprises the vehicle frame straddling on Bridge Erector horn, on vehicle frame, be provided with for realizing the road wheel assembly of vehicle frame along the operation of Bridge Erector horn length direction, drive the running driving device of road wheel assembly, planetary hoist hoists, fixed pulley assembly, for vehicle frame is locked in to the locking device on Bridge Erector horn, below vehicle frame, corresponding fixed pulley assembly is provided with movable pulley assembly, described movable pulley assembly is installed on suspension hook cartridge, on planetary hoist, be wound with hoist rope hoisting, described hoist rope is fixedly connected with vehicle frame with fixed pulley assembly through movable pulley assembly, described vehicle frame comprises two camber beam shoulder poles that be arranged in parallel, connect the road wheel beam of two camber beam shoulder poles, fixed pulley beam, underframe, described road wheel beam is used for installing road wheel assembly and drive unit, on underframe, be provided with the planetary hoist that hoists, described fixed pulley assembly is arranged on fixed pulley beam.
2. rescue trolley according to claim 1, is characterized in that there is lancet device in the balanced configuration of the left and right sides of vehicle frame, and described lancet device is used for installing suspension hook cartridge and bundle beam steel wire rope or jack line are installed.
3. rescue trolley according to claim 2, is characterized in that being respectively arranged with in the rear and front end of vehicle frame that Bridge Erector horn swings and the united equipment of upper and lower nose for adapting to.
4. rescue trolley according to claim 2, it is characterized in that described lancet device comprise the linear beam termination that is fixed on camber beam shoulder pole support shoulder pole, be installed in the triangle end wall bracket of bending on beam, manually or electric block, wherein, the upper end of triangle end wall bracket with support shoulder pole and be connected, described manually or electric block be arranged on support shoulder pole.
5. rescue trolley according to claim 3, it is characterized in that described united equipment comprises the positioning seat being separately positioned on vehicle frame and No. 1 post of Bridge Erector, in each positioning seat, be provided with alignment pin, be sleeved on the oscillating bearing on alignment pin, two oscillating bearing outer ends connect by connecting rod.
6. rescue trolley according to claim 1 and 2, it is characterized in that described fixed pulley assembly comprises that N fixed pulley, movable pulley assembly comprise N+1 movable pulley, described hoist rope is walked around first movable pulley, first fixed pulley, second movable pulley, second fixed pulley successively from planetary hoist end, until steel wire rope is connected with vehicle frame after walking around N+1 movable pulley.
7. a railway T-beam rescue mode, is characterized in that: it comprises the steps:
Step 1: the railway T-beam rescue trolley described in claim 3 is installed on the horn of Bridge Erector, No. 1 capital of rescue trolley and Bridge Erector is locked by united equipment;
Step 2, in the time that the lifting mechanism of one of them the hanging beam dolly in Bridge Erector breaks down, between the fixed pulley and movable pulley of lifting mechanism, the rope cramp of the corresponding specification of adjacent steel wire rope between two breaking down is pinned;
Step 3, remove the locking of united equipment, start the running driving device of railway T-beam rescue trolley, make railway T-beam rescue trolley be forwarded to correct position, vehicle frame and horn are locked with locking device;
Step 4, put down suspension hook cartridge with lancet device, on suspension hook cartridge, hang bundle beam steel wire rope, and make this bundle beam steel wire rope tie T beam;
Step 5, start the planetary hoist that hoists, the setpoint distance that hoists, makes the thorough load-bearing of bundle beam steel wire rope of rescue trolley, then removes the bundle beam steel wire rope of fault hanging beam dolly;
Step 6, start the other hanging beam hoisting mechanism for trolley hoisting on planetary hoist and Bridge Erector of railway T-beam rescue trolley, beam sheet falls or rises to assigned address simultaneously, and mounting rail sheet is removed the bundle beam steel wire rope of rescue trolley, and rescue completes;
Step 7, release locking device, No. 1 capital that railway T-beam rescue trolley runs to horn correct position and Bridge Erector hangs together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278208.4A CN104831636B (en) | 2015-05-27 | 2015-05-27 | A kind of railway T-beam rescue trolley and rescue mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278208.4A CN104831636B (en) | 2015-05-27 | 2015-05-27 | A kind of railway T-beam rescue trolley and rescue mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104831636A CN104831636A (en) | 2015-08-12 |
| CN104831636B true CN104831636B (en) | 2016-05-11 |
Family
ID=53809811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510278208.4A Active CN104831636B (en) | 2015-05-27 | 2015-05-27 | A kind of railway T-beam rescue trolley and rescue mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104831636B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926451A (en) * | 2016-05-09 | 2016-09-07 | 中铁十六局集团第二工程有限公司 | Small-spacing existing line added second line bridge erecting machine girder erecting method |
| CN108358056B (en) * | 2018-03-08 | 2020-05-26 | 浙江鼎盛交通建设有限公司 | Highway tunnel emergency treatment structure and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201971577U (en) * | 2010-12-24 | 2011-09-14 | 荆州市巨鲸传动机械有限公司 | Winching device for girder hoisting vehicle |
| KR20120002392A (en) * | 2010-07-30 | 2012-01-05 | (주) 모스펙 | Crane for constructing girder and constructing method using the same |
| CN202465101U (en) * | 2012-02-14 | 2012-10-03 | 胡相兰 | Bridge-type crane with temporary trolley |
| CN202705901U (en) * | 2012-04-12 | 2013-01-30 | 中铁重工有限公司 | Hanging beam trolley of hoisting mechanism of railway T-shaped beam bridge girder erection machine |
| CN203878477U (en) * | 2014-04-23 | 2014-10-15 | 邯郸市北恒工程机械有限公司 | Hanger of single-arm box girder bridging machine |
| CN204224996U (en) * | 2014-10-21 | 2015-03-25 | 襄阳协利成机车车辆工程设备有限公司 | Arm formula beam-hanging traveling crane |
| CN204676434U (en) * | 2015-05-27 | 2015-09-30 | 中铁重工有限公司 | A kind of railway T-beam rescue trolley |
-
2015
- 2015-05-27 CN CN201510278208.4A patent/CN104831636B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002392A (en) * | 2010-07-30 | 2012-01-05 | (주) 모스펙 | Crane for constructing girder and constructing method using the same |
| CN201971577U (en) * | 2010-12-24 | 2011-09-14 | 荆州市巨鲸传动机械有限公司 | Winching device for girder hoisting vehicle |
| CN202465101U (en) * | 2012-02-14 | 2012-10-03 | 胡相兰 | Bridge-type crane with temporary trolley |
| CN202705901U (en) * | 2012-04-12 | 2013-01-30 | 中铁重工有限公司 | Hanging beam trolley of hoisting mechanism of railway T-shaped beam bridge girder erection machine |
| CN203878477U (en) * | 2014-04-23 | 2014-10-15 | 邯郸市北恒工程机械有限公司 | Hanger of single-arm box girder bridging machine |
| CN204224996U (en) * | 2014-10-21 | 2015-03-25 | 襄阳协利成机车车辆工程设备有限公司 | Arm formula beam-hanging traveling crane |
| CN204676434U (en) * | 2015-05-27 | 2015-09-30 | 中铁重工有限公司 | A kind of railway T-beam rescue trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104831636A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102051860B (en) | Bridge erecting and track laying machine for railway | |
| CN201495044U (en) | Maintaining gantry crane | |
| CN101670982B (en) | Maintenance gantry crane | |
| CN202131023U (en) | Two-beam bridge crane | |
| CN201284462Y (en) | Bridging machine for both highway and railway | |
| CN104831636B (en) | A kind of railway T-beam rescue trolley and rescue mode | |
| CN102837705A (en) | Traveling bogie in steel box | |
| CN204676434U (en) | A kind of railway T-beam rescue trolley | |
| CN206088790U (en) | Novel hoist dolly | |
| CN205076714U (en) | Lightweight double girder overhead crane | |
| CN106081901A (en) | A kind of novel SMD hoisting trolley | |
| CN203654191U (en) | Device for stay cable to be lifted on bridge | |
| CN102153017B (en) | Bridge crane trolley for mine | |
| CN202148141U (en) | Crane trolley | |
| CN211687988U (en) | Segment assembling bridge girder erection machine hoisting trolley | |
| CN201933411U (en) | Railway erecting-paving machine | |
| CN213538692U (en) | Trolley for guardrail construction | |
| CN202022668U (en) | Mine bridge crane | |
| CN209758860U (en) | Small-gauge hoisting load-carrying trolley | |
| CN203890888U (en) | Girder hoisting traveling crane of single-arm box girder bridge erecting machine | |
| CN102229408A (en) | Bridge crane for mine | |
| CN205855829U (en) | A kind of modularity hoisting trolley | |
| CN111039192A (en) | Method for hoisting mechanical equipment by adopting aerial relay | |
| CN101734558A (en) | Metallurgy hopper bridge crane | |
| CN105568865A (en) | Embracing arm type hanging beam crown block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |