CN211965921U - Aluminum discharging vehicle - Google Patents
Aluminum discharging vehicle Download PDFInfo
- Publication number
- CN211965921U CN211965921U CN202020313782.5U CN202020313782U CN211965921U CN 211965921 U CN211965921 U CN 211965921U CN 202020313782 U CN202020313782 U CN 202020313782U CN 211965921 U CN211965921 U CN 211965921U
- Authority
- CN
- China
- Prior art keywords
- aluminum
- aluminium
- vehicle
- ladle
- main frame
- 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.)
- Expired - Fee Related
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 172
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 238000007599 discharging Methods 0.000 title description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000004411 aluminium Substances 0.000 claims abstract description 43
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000006978 adaptation Effects 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Images
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a go out aluminium car, which comprises a main frame, an engine, driver's cabin and wheel, still include on-vehicle hoisting device and guide rail frame, U type opening has been seted up to main frame one side, on-vehicle hoisting device is located U type opening top, guide rail frame distribute in U type opening both sides and with the main frame between fixed connection, it has vertical guide rail to distribute on the guide rail frame, and on-vehicle hoisting device both ends sliding fit connects on corresponding vertical guide rail respectively, on-vehicle hoisting device passes through the pneumatic cylinder telescopic system and realizes reciprocating, be connected with the lifting hook on the on-vehicle hoisting device, the lifting hook can the adaptation hang the vacuum aluminium water that has the runner and lift the package. The utility model provides an aluminium car has advantages such as simple operation, use are nimble, only need an aluminium car accomplish out aluminium, transportation fill with aluminium liquid ladle to need pour aluminium stokehold to the aluminium operation of falling, and need not the overhead traveling crane, lift ladle car etc. and do the cooperation, improve the efficiency and the security of an aluminium process greatly.
Description
Technical Field
The utility model belongs to the technical field of molten state aluminium liquid transportation, especially, relate to an aluminium discharging vehicle.
Background
In the production of metallurgical industry, the high safety requirement is provided for the smelting and transportation of molten aluminum liquid and other metals.
In the smelting process of aluminum magnesium metal, a vacuum aluminum water ladle with a lifting beam is generally used. Such ladles are usually equipped with the following fixtures:
1. and (6) discharging the aluminum cover. The aluminum outlet cover is provided with an ejector generating negative pressure in the aluminum water ladle and an aluminum outlet pipe extending from the top of the cover to the bottom of the aluminum water ladle.
2. And lifting the beam. The lifting beam is hinged on a pinion of the aluminum water ladle, consists of a manually operated tilting mechanism and is used for aluminum discharging and aluminum pouring operation.
The general aluminum water production process comprises the following steps:
1. and (6) hoisting. The vacuum aluminum water ladle with the lifting beam is lifted to the front of an electrolytic tank needing aluminum discharging operation by a crown block. When aluminum is discharged, the bottom of the aluminum water ladle is placed very low and is almost close to the ground, and then the aluminum water ladle is inclined for a certain angle through a special inclination mechanism arranged on the cross beam so as to insert the aluminum discharging pipe into the aluminum liquid melted by the electrolytic cell.
2. And absorbing aluminum. The pumping of the molten aluminum into the molten aluminum ladle from the electrolytic bath is carried out through an ejector, and the ejector generates negative pressure in the molten aluminum ladle, so that the molten aluminum is sucked into the vacuum ladle through atmospheric pressure difference.
3. After the aluminum absorption operation is finished, the molten aluminum ladle is hoisted and placed on a ladle frame. Due to the length of the aluminum outlet pipe, the two-man ladle cannot be directly placed on the ground.
4. And (5) carrying out vehicle transportation. And hoisting the molten aluminum ladle and the lifting beam to a corresponding molten aluminum transportation vehicle loading platform by using a crown block, and transporting the molten aluminum ladle and the lifting beam to the front of a casting/casting workshop by using a ladle car.
Because the aluminum water ladle with the lifting beam is hoisted to the corresponding electrolytic tank by the crown block through manual instruction, aluminum discharging operation is carried out through manual observation and command, and the crown block and the ladle car are well matched, the working efficiency is influenced. Meanwhile, field workers must work under the working conditions of high temperature and great potential safety hazards, and small errors in any manual aspect can cause catastrophic accidents.
In addition, because of the adoption of a crown block hoisting mode, the position control and the adjustment of the aluminum ladle are very inconvenient, and the efficiency of the aluminum outlet butt joint operation is greatly influenced. If the overhead traveling crane breaks down, the aluminum discharging operation cannot be carried out because the molten aluminum ladle placed on the ladle frame or the molten aluminum ladle on the loading platform of the molten aluminum transporting vehicle cannot reach the low position required by the aluminum discharging operation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a realize through following technical scheme:
an aluminum discharging vehicle comprises a main frame, an engine, a cab and wheels, wherein the wheels and the engine are assembled on the main frame, the cab is arranged on the front side of the main frame, the cab can control the wheels and the engine to realize normal running of the aluminum discharging vehicle, the aluminum discharging vehicle further comprises a vehicle-mounted lifting device and a guide rail frame, one side of the main frame is provided with a U-shaped opening, the size of the U-shaped opening is adaptive to loading an aluminum water ladle with a rotating wheel, the vehicle-mounted lifting device is positioned above the U-shaped opening, the guide rail frame is distributed on two sides of the U-shaped opening and is fixedly connected with the main frame, vertical guide rails are distributed on the guide rail frame, two ends of the vehicle-mounted lifting device are respectively connected onto the corresponding vertical guide rails in a sliding fit manner, the vehicle-mounted lifting device realizes up and down movement through a hydraulic cylinder telescopic, the lifting hook can be used for hanging an aluminum water ladle with a rotating wheel in a matching manner.
Optionally, still be equipped with the first footstep bearing of multiunit on the main frame, fixed mounting has the rotation axis on the wheel, the rotation axis rotates and installs on corresponding first footstep bearing, the rotation axis can realize the initiative through corresponding driving motor and rotate.
Alternatively, the wheels are arranged in particular on 4, 6 or 8 axes of rotation.
Optionally, the lifting hook and the vehicle-mounted lifting device are connected in a rotating mode through a second thrust bearing, and the lifting hook can also be operated in a rotating mode through a driving motor.
Optionally, a vehicle-mounted air compressor is further mounted on the main frame.
Optionally, the molten aluminum ladle is a vacuum molten aluminum ladle.
Optionally, a gravity sensor is mounted on the lifting hook.
Compared with the prior art, the utility model discloses following profitable technological effect has:
(1) the aluminum discharging vehicle of the utility model is provided with the vehicle-mounted lifting device which can move up and down, and the vehicle-mounted lifting device is provided with the lifting hook which can hang the lifting beam on the aluminum water ladle, thereby realizing that the aluminum water ladle is reduced to a proper distance away from the ground by utilizing the downward movement of the vehicle-mounted lifting device, aluminum discharging and transportation operation are carried out under the condition that the aluminum water ladle is loaded on the aluminum discharging vehicle, and the vehicle-mounted lifting device is kept at a proper height, so that the lifting hook on the aluminum water ladle can be butted with the lifting beam of the aluminum water ladle; and the U-shaped opening can surround the molten aluminum ladle system, so that the overall occupied space is reduced, and aluminum discharging and transportation and the butt joint process of the lifting hook and the molten aluminum ladle are facilitated.
(2) The utility model discloses an aluminium car is through assembling rotation axis and corresponding driving motor on traditional wheel subassembly, consequently is not influencing the in-process that aluminium car normally traveles, and it can be rotatory around the rotation axis to go out the aluminium car, can realize multiple the removal scheme that turns to, for example it can realize that the side removes ("crab" removes) to go out the aluminium car, loads by oneself and plays the aluminium water and ladle to going out on the aluminium car.
(3) The utility model discloses a lifting hook on the aluminium car sets up to the state that can rotate, can conveniently be at suction aluminium liquid and fall the rotatory aluminium water of aluminium in-process and two-man ladle for the play aluminum pipe and corresponding electrolysis trough and smelting pot butt joint of aluminium water two-man ladle can also be convenient in aluminium and transportation, make the play aluminum pipe that the aluminium car can rotate the aluminium water two-man ladle, so that reduce the side direction salient of going out the aluminum pipe in the transportation.
(4) The utility model discloses an aluminium water two-man package that goes out aluminium car equipped with preferably adopts the vacuum aluminium water two-man package of taking the runner, and can realize just can go out aluminium before the electrolysis trough through an aluminium car, the vacuum that the aluminium liquid was filled in the transportation is two-man wrapped to the casting/founding workshop stokehold that needs to pour aluminium, the operation of pouring aluminium, and need not multi-functional overhead traveling crane cooperation to go out aluminium, correspondingly also reduced or saved the demand to lifting a lot of package transport vechicles, very big reduction manpower cooperation, the potential safety hazard has been reduceed greatly, the productivity is improved, also correspondingly, the availability factor of the multi-functional overhead traveling crane of electrolysis workshop has been improved.
Drawings
Fig. 1 is the utility model provides an overall structure schematic diagram of an aluminum discharging vehicle.
Description of the reference numerals
The device comprises a main frame 1, an engine 2, a U-shaped opening 3, a lifting hook 4, a vehicle-mounted lifting device 5, a second thrust bearing 6, a guide rail frame 7, a cab 8, a first thrust bearing 9, a lifting beam 10, a rotating wheel 11, an aluminum water ladle 12, an aluminum outlet pipe 13, a vehicle-mounted air compressor 14 and wheels 15.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "assembled," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, an aluminum discharging vehicle comprises a main frame 1, an engine 2, a cab 8 and wheels 15, wherein the wheels 15 and the engine 2 are assembled on the main frame 1, the cab 8 is arranged on the front side of the main frame 1, the cab 8 can control the wheels 15 and the engine 2 to realize normal running of the aluminum discharging vehicle, the aluminum discharging vehicle further comprises a vehicle-mounted lifting device 5 and a guide rail frame 7, one side of the main frame 1 is provided with a U-shaped opening 3, the size of the U-shaped opening 3 is adapted to loading an aluminum water lifting ladle 12 with a rotating wheel 11, the vehicle-mounted lifting device 5 is positioned above the U-shaped opening 3, the guide rail frame 7 is distributed on two sides of the U-shaped opening 3 and is fixedly connected with the main frame 1, vertical guide rails are distributed on the guide rail frame 7, two ends of the vehicle-mounted lifting device 5 are respectively connected on the corresponding vertical guide rails in a sliding fit manner, the vehicle-mounted lifting device 5, the vehicle-mounted lifting device 5 is connected with a lifting hook 4, and the lifting hook 4 can be matched with and hang an aluminum water ladle 12 with a rotating wheel 11.
The aluminum discharging vehicle is provided with the vehicle-mounted lifting device 5 capable of moving up and down, and the lifting hook 4 capable of hanging the lifting beam 10 on the molten aluminum ladle 12 is arranged on the vehicle-mounted lifting device 5, so that the molten aluminum ladle 12 is lowered to a proper distance away from the ground by utilizing the downward movement of the vehicle-mounted lifting device 5, aluminum discharging and transportation operation are carried out under the condition that the molten aluminum ladle 12 is loaded on the aluminum discharging vehicle, and the vehicle-mounted lifting device 5 is kept at a proper height, so that the lifting hook 4 on the vehicle can be in butt joint with the lifting beam 10 of the molten aluminum ladle 12; and the U-shaped opening 3 can surround the aluminum water ladle 12 system, so that the whole occupied space is reduced, and aluminum discharging and transportation and the butt joint process of the lifting hook 4 and the aluminum water ladle 12 are facilitated. (the basic matching parts of the aluminum discharging vehicle, namely the matching facilities of the engine 2, the cab 8 and the wheels 15 of the aluminum discharging vehicle, and the corresponding control process of the normal running state are consistent with the prior common transport vehicle, and are not described again here, in addition, the aluminum water ladle 12 with the rotating wheel 11 matched with the aluminum discharging vehicle is the same as the ladle used normally, and does not need to be matched again)
Specifically, a plurality of groups of first thrust bearings 9 are further assembled on the main frame 1, a rotating shaft is fixedly installed on the wheel 15, the rotating shaft is rotatably installed on the corresponding first thrust bearings 9, and the rotating shaft can realize active rotation through a corresponding driving motor; further, said wheels 15 are arranged in particular on 4, 6 or 8 rotation axes; through assembling the rotating shaft and the corresponding driving motor on the traditional wheel assembly, the aluminum discharging vehicle can rotate around the rotating shaft in the process of not influencing the normal running of the aluminum discharging vehicle, and various steering moving schemes can be realized, for example, the aluminum discharging vehicle can realize lateral movement (crab movement), and the aluminum discharging vehicle can load aluminum water to lift a ladle onto the aluminum discharging vehicle.
The lifting hook 4 is rotatably connected with the vehicle-mounted lifting device 5 through a second thrust bearing 6, and the lifting hook 4 can also be rotated through a driving motor; the lifting hook 4 is set to be in a rotatable state, so that the aluminum water ladle 12 can be conveniently rotated in the aluminum liquid pumping and pouring processes, the aluminum outlet pipe 13 of the aluminum water ladle 12 is butted with the corresponding electrolytic cell and the corresponding smelting furnace, and the aluminum outlet pipe 13 of the aluminum water ladle 12 can be conveniently rotated by an aluminum outlet vehicle in the aluminum outlet and transportation processes, so that the lateral protrusion of the aluminum outlet pipe is reduced in the transportation process.
Still be equipped with on the main frame 1 vehicle-mounted air compressor 14, this vehicle-mounted air compressor 14 can provide the required compressed air of two-man ladle ejector, has solved traditional ejector and has inhaled the aluminium operation and need be connected in order to provide compressed air's problem with the compressed air pipe network of mill, because of the convenient and practical nature of the motorcycle type that it had, has promoted aluminium efficiency to a certain extent.
Further, the ladle 12 is preferably a vacuum ladle, and the ladle car may be designed to be suitable for an open ladle, in which the ladle lid portion of the open ladle is a part of the ladle car, i.e., the ladle lid portion is hinged to a hoisting system of the ladle car, and the ladle body portion is separated from the ladle lid.
Furthermore, a gravity sensor is installed on the lifting hook 4, and the gravity sensor can measure the weight borne by the lifting hook 4 in real time, namely, the weight of the molten aluminum ladle 12 is monitored in real time.
The working process of the aluminum discharging vehicle is as follows:
in connection with the loading of the vacuum ladle, the tapping carriage is moved so that its lateral U-shaped opening 3 faces the ladle system (on which the vacuum ladle is placed) and then moves sideways so as to "embrace" the vacuum ladle and ladle frame system, and during operation the on-board lifting device 5 is kept at a suitable height so that the lifting hook 4 on the carriage can be docked with the lifting beam 10 of the vacuum ladle. Once correctly positioned in connection with the lifting hook 14, the truck-mounted lifting device 5 is lifted, whereby the vacuum ladle with the lifting beam 10 is secured to the aluminium tapping car. At the moment, the vehicle can move along with the molten aluminum ladle, and the ladle frame is vacant for standby.
Then, the vacuum aluminum water ladle assembly is driven to rotate by rotating the rotary lifting hook 4 so as to reduce the extending part of the aluminum outlet pipe 13, the running is convenient, and then the vacuum aluminum water ladle can be conveyed to the front of an electrolytic cell needing to be discharged with aluminum. When the aluminum discharging car reaches a proper position in front of an aluminum discharging hole of the electrolytic cell, the vacuum aluminum water ladle is controlled to rotate again, so that the aluminum discharging pipe 13 is perpendicular to the driving direction of the car. The operation of sucking the molten aluminum can be started by the 'transverse' translation of the aluminum discharging vehicle and the vertical movement of the vehicle-mounted lifting device 5 to ensure that the vacuum aluminum water ladle and the aluminum discharging pipe 13 are correctly positioned at the aluminum discharging position.
Then, the aluminum discharging vehicle can transport the vacuum aluminum water ladle fully pumped with the aluminum liquid to a casting/founding workshop to prepare for aluminum pouring operation.
The car is stopped in front of the furnace, a lifting beam 10 of the vacuum aluminum water ladle is parallel to the furnace door, and when the ladle is lifted to a certain height, an operator pours aluminum liquid into the furnace by rotating a rotating wheel 11 of the vacuum aluminum water ladle. And after the vacuum aluminum water ladle is emptied, returning the vacuum aluminum water ladle to the running direction, and starting another round of operation.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a go out aluminium car, includes main frame (1), engine (2), driver's cabin (8) and wheel (15), wheel (15) and engine (2) all assemble on main frame (1), driver's cabin (8) set up in main frame (1) front side, driver's cabin (8) can control wheel (15) and engine (2) and realize going out aluminium car's normal driving, its characterized in that: also comprises a vehicle-mounted lifting device (5) and a guide rail frame (7), one side of the main frame (1) is provided with a U-shaped opening (3), the U-shaped opening (3) is suitable for loading an aluminum water ladle (12) with a rotating wheel (11), the vehicle-mounted lifting device (5) is positioned above the U-shaped opening (3), the guide rail brackets (7) are distributed on two sides of the U-shaped opening (3) and are fixedly connected with the main frame (1), vertical guide rails are distributed on the guide rail brackets (7), and both ends of the vehicle-mounted lifting device (5) are respectively connected on the corresponding vertical guide rails in a sliding fit manner, the vehicle-mounted lifting device (5) moves up and down through a hydraulic cylinder telescopic system, a lifting hook (4) is connected to the vehicle-mounted lifting device (5), the lifting hook (4) can be used for hanging an aluminum water ladle (12) with a rotating wheel (11) in a matching manner.
2. An aluminum tapping car as claimed in claim 1, wherein: still be equipped with first footstep bearing of multiunit (9) on main frame (1), fixed mounting has the rotation axis on wheel (15), the rotation axis rotates and installs on corresponding first footstep bearing (9), the rotation axis can realize the initiative through corresponding driving motor and rotate.
3. An aluminum tapping car as claimed in claim 2, wherein: the wheels (15) are arranged in particular on 4, 6 or 8 axes of rotation.
4. An aluminium tapping cart according to any one of claims 1-3, characterized in that: realize rotating through second footstep bearing (6) between lifting hook (4) and on-vehicle hoisting device (5) and connect, lifting hook (4) can also realize rotatory operation through driving motor.
5. An aluminium tapping cart according to any one of claims 1-3, characterized in that: the main frame (1) is also provided with a vehicle-mounted air compressor (14).
6. An aluminium tapping cart according to any one of claims 1-3, characterized in that: the molten aluminum ladle (12) is a vacuum molten aluminum ladle.
7. An aluminium tapping cart according to any one of claims 1-3, characterized in that: and a gravity sensor is arranged on the lifting hook (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020313782.5U CN211965921U (en) | 2020-03-13 | 2020-03-13 | Aluminum discharging vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020313782.5U CN211965921U (en) | 2020-03-13 | 2020-03-13 | Aluminum discharging vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211965921U true CN211965921U (en) | 2020-11-20 |
Family
ID=73394075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020313782.5U Expired - Fee Related CN211965921U (en) | 2020-03-13 | 2020-03-13 | Aluminum discharging vehicle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211965921U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111250688A (en) * | 2020-03-13 | 2020-06-09 | 泰克莫有限公司 | Aluminum discharging vehicle |
-
2020
- 2020-03-13 CN CN202020313782.5U patent/CN211965921U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111250688A (en) * | 2020-03-13 | 2020-06-09 | 泰克莫有限公司 | Aluminum discharging vehicle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU1386033A3 (en) | Vehicle for extracting aluminium from electrolyzer and for transporting it | |
CN204569345U (en) | Container tipping mechanism | |
CN211965921U (en) | Aluminum discharging vehicle | |
CN201350860Y (en) | Self-loadable/unloadable automobile | |
CN111250688A (en) | Aluminum discharging vehicle | |
CN111994820A (en) | New energy automobile overhauls platform | |
NL8103448A (en) | READY FOR MAINTENANCE, REPAIR, CLEANING AND / OR PAINTING THE WALLS OF A SHIP. | |
CN109384162B (en) | Gantry type component transport vehicle and component transport method | |
CN108706471B (en) | Method for disassembling rigid leg of large gantry crane | |
CN100999303A (en) | Suspension type folding fork truck | |
CN110242057A (en) | Toilet's engineering color steel plate installation manipulator | |
CN212529438U (en) | Transport vechicle convenient to loading and unloading | |
CN211619794U (en) | Low-space simple gantry hoisting device | |
CN2228860Y (en) | Vehicle capable of fast replacing body | |
CN208856835U (en) | A kind of suspension type component transportation vehicle | |
RU2772772C1 (en) | Machine for pouring, transporting and transfusing metal | |
CN210011656U (en) | Molten iron transportation tipper | |
CN207827772U (en) | A kind of internal combustion counterbalance forklift truck | |
CN214167275U (en) | Transport device | |
CN214867230U (en) | Movable tipping equipment | |
CN216184716U (en) | Intelligent freight vehicle unloading equipment | |
CN212403256U (en) | Combined crane equipment of ship facility | |
CN218600310U (en) | Slag removing vehicle | |
CN213509653U (en) | Pump truck lifting frame | |
CN220499509U (en) | Long-distance conveying device capable of maintaining working performance of concrete |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |
|
CF01 | Termination of patent right due to non-payment of annual fee |