CN105667376A - Dumper for transporting plate-type ballast beds - Google Patents
Dumper for transporting plate-type ballast beds Download PDFInfo
- Publication number
- CN105667376A CN105667376A CN201610014565.4A CN201610014565A CN105667376A CN 105667376 A CN105667376 A CN 105667376A CN 201610014565 A CN201610014565 A CN 201610014565A CN 105667376 A CN105667376 A CN 105667376A
- Authority
- CN
- China
- Prior art keywords
- vehicle frame
- straight line
- suspender
- cantilever
- transporting
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/52—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using rollers in the load-transporting element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/54—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading
- B60P1/5438—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a moveable base
- B60P1/5457—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a moveable base attached to the loading platform or similar
Abstract
The invention relates to a dumper for transporting plate-type ballast beds. The dumper comprises a dumper body (1) and a dumper frame (1a) of the dumper body and is characterized in that the dumper frame (1a) is provided with a cantilever lifting frame (6), and a rectilinear translation device (12) which is in sliding fit with the cantilever lifting frame (6) is further arranged on the cantilever lifting frame (6) and horizontally moves back and forth in the axis direction of the dumper frame (1a); a lifting appliance (16) for lifting the prefabricated plate-type ballast beds is arranged under the rectilinear translation device (12) and in connection fit with the rectilinear translation device (12) through a lifting mechanism (7). The dumper for transporting the plate-type ballast beds has the beneficial effects of being simple in structure, high in reliability, capable of improving the transporting efficiency, reducing the transporting cost and meanwhile shortening the track construction period.
Description
Technical field
The present invention relates to the basic transportation equipment of non-fragment orbit construction, particularly relate to a kind of wagon tremie for transporting integrated sleeper bed.
Background technology
In slab track construction, it is necessary to a large amount of prefabricated integrated sleeper bed. Owing to there is no special transportation device, when transporting prefabricated integrated sleeper bed in tunnel at present, winched on flat-bed trailer by transfer gantry mostly before this, moved to behind unload zone until flat-bed trailer, it is hung oneself by recycling transfer gantry from flat-bed trailer, and winches to specified location and place. This kind of mode of transport not only takies more human and material resources resource, and inefficiency, extends the cycle of orbit construction.
Summary of the invention
Do not have specific equipment to transport the technical problem of prefabricated integrated sleeper bed under it is an object of the invention to solve prior art, and provide a kind of and be specifically designed to the wagon tremie transporting prefabricated integrated sleeper bed.
It is an object of the invention to be achieved by the following technical programs:
A kind of wagon tremie for transporting integrated sleeper bed, comprise car body and vehicle frame thereof, it is characterized in that vehicle frame is provided with cantilever hanger, cantilever hanger is also provided with the straight line translating device being slidably matched with it, straight line translating device translates back and forth along frame axis direction, being provided with the suspender for hoisting prefabricated integrated sleeper bed immediately below straight line translating device, suspender is connected cooperation by hoisting appliance with straight line translating device.
Described suspender is the enclosed frame structure of circumferential side frame.
Inside described suspender, symmetrical position is respectively arranged with the first top and stretches device, and the first top is stretched device axis horizontal and arranged, and the first top is stretched device one end and is fixed on the inwall of suspender.
Described cantilever hanger is made up of two symmetrically arranged L-type cantilevers, and wherein the perpendicular section of L-type cantilever is fixed on vehicle frame, and the crosspiece of L-type cantilever extends along frame axis direction, and stretches out vehicle frame.
Described straight line translating device comprises the slide being located at cantilever hanger top, slide and cantilever hanger are slidably matched, slide is provided with the first drive unit, on slide, corresponding both sides arrange one group of gear respectively, often organizing in gear has at least a gear to be connected cooperation with the first drive unit, the underface often organizing gear is provided with the tooth bar with its engagement fit, and tooth bar arranges along frame axis direction and is fixed on cantilever hanger.
Described hoisting appliance comprises one and is mounted on the travelling block that the fixed pulley bottom straight line translating device and is mounted on suspender top, described cantilever hanger is provided with windlass, after the rope of windlass walks around corresponding fixed pulley and travelling block successively, it is fixedly connected with straight line translating device.
Described hoisting appliance comprises one and is mounted on the travelling block that the fixed pulley bottom straight line translating device and is mounted on suspender top, described cantilever hanger is provided with pipe expansion joint, pipe expansion joint one end is connected with rope, rope one end is fixedly connected with pipe expansion joint, after the rope the other end walks around corresponding fixed pulley and travelling block successively, it is fixedly connected with straight line translating device.
Under technique scheme flies basis, the present invention can also have further technical scheme.
Described vehicle frame is provided with the 2nd drive unit and carrying roller unit, the carrying roller that carrying roller unit is arranged along frame axis direction by a row forms, each carrying roller is rotatably assorted with vehicle frame respectively, connected by chain wheel driving mechanism between adjacent carrying roller and coordinate, wherein at least one carrying roller is connected cooperation with the 2nd drive unit, front portion or rear portion toward vehicle frame of the prefabricated integrated sleeper bed that is placed on vehicle frame is transmitted by carrying roller unit with this, what shorten prefabricated integrated sleeper bed hangs the fortune time, it is to increase the transhipment transport efficiency of prefabricated integrated sleeper bed.
Described vehicle frame zygomorphy position arranges one group of permanent seat respectively, device is stretched on the 2nd top that permanent seat is provided with axis horizontal, the axis place perpendicular that device is stretched on 2nd top is mutually vertical with the axis of vehicle frame, 2nd top is stretched device one end and is fixedly connected with permanent seat, stretch device by the 2nd of correspondence the top to be clamped by the prefabricated integrated sleeper bed on vehicle frame, to prevent prefabricated integrated sleeper bed translates in the process of moving.
The first drive unit and the 2nd drive unit in technique scheme are the commercially available motor in market, and described device is stretched on first top, device is stretched on the 2nd top and pipe expansion joint is hydro-cylinder or the cylinder that market can reach.
The useful effect of the present invention is that structure is simple, reliability height, while improving conveying efficiency, reducing transportation cost, shortens the orbit construction cycle.
Just the present invention is further described by accompanying drawings and embodiment below.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of embodiment 1;
Fig. 2 is the fragmentary top TV structure schematic diagram of Fig. 1;
Fig. 3 is the main TV structure schematic diagram of embodiment 2;
Fig. 4 is the fragmentary top TV structure schematic diagram of Fig. 2;
Fig. 5 is suspender plan structure schematic diagram.
Embodiment
Embodiment 1
As shown in Figure 1, Figure 2 and shown in Fig. 5, for a kind of wagon tremie for transporting integrated sleeper bed provided by the invention, comprise car body 1 and vehicle frame 1a thereof, vehicle frame 1a is provided with the 2nd drive unit 19 and carrying roller unit 4, the carrying roller 4a that carrying roller unit 4 is arranged along vehicle frame 1a axis direction by a row forms, each carrying roller 4a is rotatably assorted with vehicle frame 1a respectively, being connected by chain wheel driving mechanism 5 between adjacent carrying roller 4a and coordinate, wherein at least one carrying roller 4a is connected cooperation with the 2nd drive unit 19 by belt wheel transmission mechanism 18, the uniform one group of permanent seat 2 in described vehicle frame 1a zygomorphy position, device 3 is stretched on the 2nd top that permanent seat 2 is provided with axis horizontal, and it is mutually vertical with vehicle frame 1a axis direction that device 3 axis place perpendicular is stretched on the 2nd top, and the 2nd top is stretched device 3 one end and is fixedly connected with permanent seat 2, described vehicle frame 1a is provided with cantilever hanger 6, cantilever hanger 6 is made up of two symmetrically arranged L-type cantilever 6a, the perpendicular section end winding support of L-type cantilever 6a is connected on vehicle frame 1a, the crosspiece of L-type cantilever 6a extends along vehicle frame 1a axis direction, and stretch out vehicle frame 1a rear portion, it is provided with column 6b immediately below the crosspiece of described L-type cantilever 6a, column 6b top coordinates with being fixedly connected with in the middle part of the crosspiece of L-type cantilever 6a, column 6b bottom is fixedly connected with vehicle frame 1a and coordinates, column 6b is also connected with sway brace 6c, sway brace 6c bottom is fixedly connected with column 6b, sway brace 6c top is connected with the crosspiece end winding support of L-type cantilever 6a,It is provided with straight line translating device 12 between the crosspiece of corresponding L-type cantilever 6a, the crosspiece of L-type cantilever 6a is also provided with the guide rail 17 arranged along its axial direction due, described straight line translating device 12 comprises the slide 9 being slidably matched with guide rail 17, slide is provided with the first drive unit 10, the corresponding both sides of slide 9 are respectively equipped with one group of gear 11, often organizing in gear 11 has a gear to be connected cooperation with the first drive unit 10 respectively, the underface often organizing gear 11 is equipped with the tooth bar 8 with its engagement fit, tooth bar 8 arranges along frame axis direction and is fixed on the crosspiece of L-type cantilever 6a, tooth bar 8 two ends are respectively equipped with positive stop 13, the gear 11 of each positive stop 13 side corresponding to it respectively forms spacing cooperation, the suspender 16 for hoisting prefabricated integrated sleeper bed it is provided with immediately below slide 9, suspender 16 is the enclosed frame structure of circumferential side frame, inside suspender 16, symmetrical position arranges one group of first top respectively and stretches device 16a, each first top is stretched device 16a one end and is fixed on the inwall of suspender 16, often organize the first top to stretch device 16a side and be equipped with pressing plate 16b, described suspender 16 is connected cooperation by hoisting appliance 7 with straight line translating device 12, described hoisting appliance 7 comprises one and is mounted on the travelling block 15 that fixed pulley bottom slide 9 14 and is mounted on suspender 16 top, the crosspiece side of each L-type cantilever 6a is equipped with windlass 7c, after rope 7d one end of windlass walks around corresponding fixed pulley 14 and travelling block 15 successively, it is fixedly connected with bottom slide 9.
Embodiment 2
As shown in Fig. 3, Fig. 4 and Fig. 5, a kind of wagon tremie for transporting integrated sleeper bed provided by the invention, comprise car body 1 and vehicle frame 1a thereof, vehicle frame 1a is provided with the 2nd drive unit 19 and carrying roller unit 4, the carrying roller 4a that carrying roller unit 4 is arranged along vehicle frame 1a axis direction by a row forms, each carrying roller 4a is rotatably assorted with vehicle frame 1a respectively, being connected by chain wheel driving mechanism 5 between adjacent carrying roller 4a and coordinate, wherein at least one carrying roller 4a is connected cooperation with the 2nd drive unit 19 by belt wheel transmission mechanism 18, the uniform one group of permanent seat 2 in described vehicle frame 1a zygomorphy position, device 3 is stretched on the 2nd top that permanent seat 2 is provided with axis horizontal, and it is mutually vertical with vehicle frame 1a axis direction that device 3 axis place perpendicular is stretched on the 2nd top, and the 2nd top is stretched device 3 one end and is fixedly connected with permanent seat 2, described vehicle frame 1a is provided with cantilever hanger 6, cantilever hanger 6 is made up of two symmetrically arranged L-type cantilever 6a, the perpendicular section end winding support of L-type cantilever 6a is connected on vehicle frame 1a, the crosspiece of L-type cantilever 6a extends along vehicle frame 1a axis direction, and stretch out vehicle frame 1a rear portion, it is provided with column 6b immediately below the crosspiece of described L-type cantilever 6a, column 6b top coordinates with being fixedly connected with in the middle part of the crosspiece of L-type cantilever 6a, column 6b bottom is fixedly connected with vehicle frame 1a and coordinates, column 6b is also connected with sway brace 6c, sway brace 6c bottom is fixedly connected with column 6b, sway brace 6c top is connected with the crosspiece end winding support of L-type cantilever 6a, it is provided with straight line translating device 12 between the crosspiece of corresponding L-type cantilever 6a, the crosspiece of L-type cantilever 6a is also provided with the guide rail 17 arranged along its axial direction due, described straight line translating device 12 comprises the slide 9 being slidably matched with guide rail 17, slide is provided with the first drive unit 10, the corresponding both sides of slide 9 are respectively equipped with one group of gear 11, often organizing in gear 11 has a gear to be connected cooperation with the first drive unit 10 respectively, the underface often organizing gear 11 is equipped with the tooth bar 8 with its engagement fit, tooth bar 8 arranges along frame axis direction and is fixed on the crosspiece of L-type cantilever 6a, tooth bar 8 two ends are respectively equipped with positive stop 13, the gear 11 of each positive stop 13 side corresponding to it respectively forms spacing cooperation,The suspender 16 for hoisting prefabricated integrated sleeper bed it is provided with immediately below slide 9, suspender 16 is the enclosed frame structure of circumferential side frame, inside suspender 16, symmetrical position arranges one group of first top respectively and stretches device 16a, each first top is stretched device 16a one end and is fixed on the inwall of suspender 16, often organize the first top to stretch device 16a side and be equipped with pressing plate 16b, described suspender 16 is connected cooperation by hoisting appliance 7 with straight line translating device 12, described hoisting appliance 7 comprises one and is mounted on the travelling block 15 that fixed pulley bottom slide 9 14 and is mounted on suspender 16 top, the crosspiece side of each L-type cantilever 6a is equipped with pipe expansion joint 7a, pipe expansion joint 7a axis is arranged along frame axis direction, pipe expansion joint 7a one end is connected with rope 7b, rope 7b one end is fixedly connected with pipe expansion joint 7a, after the rope 7b the other end walks around corresponding fixed pulley 14 and travelling block 15 successively, it is fixedly connected with bottom slide 9.
Claims (9)
1. one kind for transporting the wagon tremie of integrated sleeper bed, comprise car body (1) and vehicle frame (1a) thereof, it is characterized in that vehicle frame (1a) is provided with cantilever hanger (6), cantilever hanger (6) is also provided with the straight line translating device (12) being slidably matched with it, straight line translating device (12) translates back and forth along vehicle frame (1a) axis direction, being provided with the suspender for hoisting prefabricated integrated sleeper bed (16) immediately below straight line translating device (12), suspender (16) is connected cooperation by hoisting appliance (7) with straight line translating device (12).
2. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterised in that described suspender (16) is the enclosed frame structure of circumferential side frame.
3. a kind of wagon tremie for transporting integrated sleeper bed according to claim 2, it is characterized in that symmetrical position, suspender (16) inner side is respectively arranged with the first top and stretches device (16a), first top is stretched device (16a) axis horizontal and is arranged, and the first top is stretched device (16a) one end and is fixed on the inwall of suspender (16).
4. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterized in that cantilever hanger (6) is made up of two symmetrically arranged L-type cantilevers (6a), wherein the perpendicular section of L-type cantilever (6a) is fixed on vehicle frame (1a), the crosspiece of L-type cantilever (6a) extends along vehicle frame (1a) axis direction, and stretches out vehicle frame (1a).
5. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterized in that straight line translating device (12) comprises the slide (9) being located at cantilever hanger (6) top, slide (9) and cantilever hanger (6) are slidably matched, slide (9) is provided with the first drive unit (10), the upper corresponding both sides of slide (9) arrange one group of gear (11) respectively, often organize and gear (11) has at least a gear be connected cooperation with the first drive unit (10), the underface often organizing gear (11) is provided with the tooth bar with its engagement fit (8), tooth bar (8) arranges along vehicle frame (1a) axis direction and is fixed on cantilever hanger (6).
6. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterized in that described hoisting appliance (7) comprises the travelling block (15) that a fixed pulley (14) and being mounted on straight line translating device (12) bottom is mounted on suspender (16) top, described cantilever hanger (6) is provided with windlass (7c), the rope (7d) of windlass is fixedly connected with straight line translating device (12) after walking around corresponding fixed pulley (14) and travelling block (15) successively.
7. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterized in that described hoisting appliance (7) comprises the travelling block (15) that a fixed pulley (14) and being mounted on straight line translating device (12) bottom is mounted on suspender (16) top, described cantilever hanger (6) is provided with pipe expansion joint (7a), pipe expansion joint (7a) one end is connected with rope (7b), rope (7b) one end is fixedly connected with pipe expansion joint (7a), after rope (7b) the other end walks around corresponding fixed pulley (14) and travelling block (15) successively, it is fixedly connected with straight line translating device (12).
8. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterized in that vehicle frame (1a) is provided with the 2nd drive unit (19) and carrying roller unit (4), the carrying roller (4a) that carrying roller unit (4) is arranged along vehicle frame (1a) axis direction by a row forms, each carrying roller (4a) is rotatably assorted with vehicle frame (1a) respectively, being connected by chain wheel driving mechanism (5) between adjacent carrying roller (4a) and coordinate, wherein at least one carrying roller is connected cooperation with the 2nd drive unit (19).
9. a kind of wagon tremie for transporting integrated sleeper bed according to claim 1, it is characterized in that vehicle frame (1a) zygomorphy position arranges one group of permanent seat (2) respectively, device (3) is stretched on the 2nd top that permanent seat (2) is provided with axis horizontal, the axis place perpendicular that device (3) is stretched on 2nd top is mutually vertical with the axis of vehicle frame (1a), and the 2nd top is stretched device (3) one end and is fixedly connected with permanent seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014565.4A CN105667376A (en) | 2016-01-11 | 2016-01-11 | Dumper for transporting plate-type ballast beds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014565.4A CN105667376A (en) | 2016-01-11 | 2016-01-11 | Dumper for transporting plate-type ballast beds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105667376A true CN105667376A (en) | 2016-06-15 |
Family
ID=56299783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610014565.4A Pending CN105667376A (en) | 2016-01-11 | 2016-01-11 | Dumper for transporting plate-type ballast beds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105667376A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936487A (en) * | 2016-06-15 | 2016-09-14 | 安徽兴宇轨道装备有限公司 | Hoisting vehicle for hoisting and transporting prefabricated slab type track bed |
| CN105946690A (en) * | 2016-06-16 | 2016-09-21 | 安徽兴宇轨道装备有限公司 | Hoisting and slab adjusting vehicle for laying prefabricated slab-type ballast bed |
| CN105966296A (en) * | 2016-06-16 | 2016-09-28 | 安徽兴宇轨道装备有限公司 | Transfer vehicle for transporting precast slab type track bed |
| CN106049203A (en) * | 2016-06-16 | 2016-10-26 | 安徽兴宇轨道装备有限公司 | Plate transporting and adjusting vehicle for laying prefabricated plate ballast bed |
| CN108517730A (en) * | 2018-04-25 | 2018-09-11 | 安徽兴宇轨道装备有限公司 | A kind of integrated sleeper bed accurate adjustment vehicle |
| CN108729312A (en) * | 2018-04-25 | 2018-11-02 | 安徽兴宇轨道装备有限公司 | A kind of carrier for integrated sleeper bed accurate adjustment vehicle adjusting apparatus |
| CN110040534A (en) * | 2019-05-17 | 2019-07-23 | 乌鲁木齐西部天采贸易有限公司 | A kind of cotton quick despatch transporting equipment |
| CN110588483A (en) * | 2019-10-14 | 2019-12-20 | 中国科学院长春光学精密机械与物理研究所 | Theodolite vehicle carrying integral carrier body |
| CN111361490A (en) * | 2020-04-21 | 2020-07-03 | 福州金锻工业有限公司 | Mold hoisting device and working method thereof |
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| CN103770686A (en) * | 2014-01-14 | 2014-05-07 | 万红章 | Automatic boom-type loading-unloading brick truck |
| CN104139725A (en) * | 2014-07-23 | 2014-11-12 | 万红章 | Automatic loading and unloading brick transport cart of truck-mounted crane |
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| CN205326892U (en) * | 2016-01-11 | 2016-06-22 | 安徽兴宇轨道装备有限公司 | A tipper for transport plate formula railway roadbed |
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| CN202846090U (en) * | 2012-10-19 | 2013-04-03 | 郑州贝龙液压技术有限公司 | Clamping device of steel structure |
| CN103770686A (en) * | 2014-01-14 | 2014-05-07 | 万红章 | Automatic boom-type loading-unloading brick truck |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936487A (en) * | 2016-06-15 | 2016-09-14 | 安徽兴宇轨道装备有限公司 | Hoisting vehicle for hoisting and transporting prefabricated slab type track bed |
| CN105946690A (en) * | 2016-06-16 | 2016-09-21 | 安徽兴宇轨道装备有限公司 | Hoisting and slab adjusting vehicle for laying prefabricated slab-type ballast bed |
| CN105966296A (en) * | 2016-06-16 | 2016-09-28 | 安徽兴宇轨道装备有限公司 | Transfer vehicle for transporting precast slab type track bed |
| CN106049203A (en) * | 2016-06-16 | 2016-10-26 | 安徽兴宇轨道装备有限公司 | Plate transporting and adjusting vehicle for laying prefabricated plate ballast bed |
| CN105946690B (en) * | 2016-06-16 | 2018-06-26 | 安徽兴宇轨道装备有限公司 | A kind of handling tuned plate vehicle for being laid with Prefabricated slab type railway roadbed |
| CN108729312A (en) * | 2018-04-25 | 2018-11-02 | 安徽兴宇轨道装备有限公司 | A kind of carrier for integrated sleeper bed accurate adjustment vehicle adjusting apparatus |
| CN108517730A (en) * | 2018-04-25 | 2018-09-11 | 安徽兴宇轨道装备有限公司 | A kind of integrated sleeper bed accurate adjustment vehicle |
| CN108517730B (en) * | 2018-04-25 | 2023-12-05 | 安徽兴宇轨道装备有限公司 | Plate type ballast bed fine shunting vehicle |
| CN110040534A (en) * | 2019-05-17 | 2019-07-23 | 乌鲁木齐西部天采贸易有限公司 | A kind of cotton quick despatch transporting equipment |
| CN110588483A (en) * | 2019-10-14 | 2019-12-20 | 中国科学院长春光学精密机械与物理研究所 | Theodolite vehicle carrying integral carrier body |
| CN110588483B (en) * | 2019-10-14 | 2024-01-26 | 中国科学院长春光学精密机械与物理研究所 | Integral carrier body of theodolite carrier |
| CN111361490A (en) * | 2020-04-21 | 2020-07-03 | 福州金锻工业有限公司 | Mold hoisting device and working method thereof |
| CN111361490B (en) * | 2020-04-21 | 2023-12-12 | 福州金锻工业有限公司 | Die lifting device and working method thereof |
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Application publication date: 20160615 |
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