CN112298941B - Sand core transfer trolley - Google Patents
Sand core transfer trolley Download PDFInfo
- Publication number
- CN112298941B CN112298941B CN201910705152.4A CN201910705152A CN112298941B CN 112298941 B CN112298941 B CN 112298941B CN 201910705152 A CN201910705152 A CN 201910705152A CN 112298941 B CN112298941 B CN 112298941B
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- China
- Prior art keywords
- sand core
- sand
- hollow
- rail wheel
- transfer trolley
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- 239000004576 sand Substances 0.000 claims abstract description 42
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 230000006698 induction Effects 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 7
- 230000032258 transport Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0294—Vehicle bodies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention relates to a sand core transfer trolley. The sand core transfer trolley comprises: the sand cleaning device comprises a hollow vehicle body, a placing screen, a rail wheel, a driving motor and a sand cleaning piece; the placing screen is arranged on the hollow car body and used for bearing the sand core; the rail wheel is slidably arranged at the bottom of the hollow car body, and the driving motor is in driving connection with the rail wheel and is used for driving the rail wheel to move along the transfer guide rail; the sand cleaning piece is arranged on the hollow car body, and extends towards the rail wheel to clean the rail wheel. The sand core transferring trolley can quickly realize sand core transferring and meet the production and transportation requirements of green intelligent factories.
Description
Technical Field
The invention relates to the technical field of industrial casting, in particular to a sand core transfer trolley.
Background
With the deep integration of industrialization and informatization, the manufacturing industry starts to convert to intelligent manufacturing and green manufacturing. However, the foundry industry has been low-end manufacturing mainly by manual production, and intelligent foundry will replace manual production, pushing foundry industry to intelligent and green production. Wherein, casting mill production line among the prior art transports the psammitolite through the portal crane, and not only the work degree of difficulty is big, the operation risk is big, and work efficiency is also lower relatively.
Disclosure of Invention
Based on this, it is necessary to transport the psammitolite through the portal crane to the foundry factory production line among the prior art, not only the work degree of difficulty is big, the operation risk is big, and the problem that work efficiency is also relatively lower, provides one kind and can realize the psammitolite fast and move and carry the dolly, satisfies the psammitolite that green intelligent mill's production transportation required.
A sand core transfer trolley, said sand core transfer trolley comprising: the sand cleaning device comprises a hollow vehicle body, a placing screen, a rail wheel, a driving motor and a sand cleaning piece; the placing screen is arranged on the hollow car body and used for bearing the sand core; the rail wheel is slidably arranged at the bottom of the hollow car body, and the driving motor is in driving connection with the rail wheel and is used for driving the rail wheel to move along the transfer guide rail; the sand cleaning piece is arranged on the hollow car body, and extends towards the rail wheel to clean the rail wheel.
In one embodiment, the sand cleaning member includes a cleaning brush and a blowing pipe, and the cleaning brush and the blowing pipe are respectively disposed on the hollow vehicle body and extend toward the rail wheel.
In one embodiment, the air blowing pipe is connected with a solenoid valve, and the solenoid valve is arranged in an interlocking manner with the driving motor.
In one embodiment, the hollow car body is provided with a photoelectric sensor, and the photoelectric sensor and the induction iron blocks of the transfer guide rail are mutually induced and used for controlling the sand core transfer trolley to stop running.
In one embodiment, at least two photoelectric sensors are installed, and the number of the photoelectric sensors is the same as that of the induction iron blocks of the transfer guide rail, and the photoelectric sensors are in mutual one-to-one correspondence induction.
In one embodiment, the placing screen is made of a plurality of square steel strips, and the installation clearance of each square steel strip is 15-50 mm.
In one embodiment, the placement screen is attached to the hollow vehicle body by bolts.
In one embodiment, two sides of the bottom surface of the hollow car body are respectively provided with a side plate.
In one embodiment, a drag chain is arranged on the hollow car body, and a power line is arranged on the drag chain and used for charging the sand core transfer trolley.
According to the sand core transferring trolley, the placing screen is arranged on the hollow trolley body, so that floating sand on the sand core placed on the placing screen falls into the bottom of the hollow trolley body through the placing screen, and the collection of the floating sand in the process of using the transferring trolley to convey the sand core is facilitated, so that the environment is prevented from being polluted; specifically make through driving motor drive rail wheel move and carry the dolly along the guide rail to carry out the transportation of psammitolite fast, and simultaneously through the position installation sand cleaning piece that is located the rail wheel at the cavity automobile body, with further guarantee to carry that the dolly can be smooth along the guide rail fast to carry, with effectively improving the transportation efficiency of psammitolite, improve product production efficiency then.
Drawings
Fig. 1 is a schematic structural diagram of a sand core transfer trolley according to an embodiment.
FIG. 2 is a schematic diagram of an embodiment of a screen.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In one embodiment, a sand core transfer trolley comprises: the sand cleaning device comprises a hollow vehicle body, a placing screen, a rail wheel, a driving motor and a sand cleaning piece; the placing screen is arranged on the hollow car body and used for bearing the sand core; the rail wheel is slidably arranged at the bottom of the hollow car body, and the driving motor is in driving connection with the rail wheel and is used for driving the rail wheel to move along the transfer guide rail; the sand cleaning piece is arranged on the hollow car body, and extends towards the rail wheel to clean the rail wheel.
According to the sand core transferring trolley, the placing screen is arranged on the hollow trolley body, so that floating sand on the sand core placed on the placing screen falls into the bottom of the hollow trolley body through the placing screen, and the collection of the floating sand in the process of using the transferring trolley to convey the sand core is facilitated, so that the environment is prevented from being polluted; specifically make through driving motor drive rail wheel move and carry the dolly along the guide rail to carry out the transportation of psammitolite fast, and simultaneously through the position installation sand cleaning piece that is located the rail wheel at the cavity automobile body, with further guarantee to carry that the dolly can be smooth along the guide rail fast to carry, with effectively improving the transportation efficiency of psammitolite, improve product production efficiency then.
The core transfer trolley is described below in connection with specific embodiments to further understand the inventive concepts of the core transfer trolley. Referring to fig. 1, in one embodiment, a sand core transferring trolley 10, the sand core transferring trolley 10 includes: hollow car body 100, placement screen 200, rail wheel 300, drive motor 400, and sand cleaning member 500; the placing screen 200 is mounted on the hollow car body 100 and is used for bearing a sand core; the rail wheel 300 is slidably mounted at the bottom of the hollow car body 100, and the driving motor 400 is in driving connection with the rail wheel 300, so as to drive the rail wheel 300 to move along the transfer guide rail 20; the sand cleaning member 500 is disposed on the hollow vehicle body 100 and extends toward the rail wheel 300 to clean the rail wheel 300.
Specifically, the upper portion of the hollow car body 100 has an opening, the placement screen 200 is mounted in the hollow car body 100 through the upper opening of the hollow car body 100, and the mounting plane of the placement screen 200 is parallel to the bottom surface of the hollow car body 100 and is not in contact with the bottom surface of the hollow car body 100. Thus, the horizontally arranged placing screen 200 can facilitate the sand core to be printed out by the printer and be directly conveyed to the sand core transferring trolley stably by the working box. In one embodiment, side plates are respectively mounted on two sides of the bottom surface of the hollow car body 100. It should be appreciated that by installing side plates on both sides of the bottom surface of the hollow car body 100, the collection of floating sand falling into the bottom surface of the hollow car body 100 can be facilitated, thereby facilitating the periodic removal of the floating sand.
Referring to fig. 2, in one embodiment, the placement screen 200 is made of square steel in a strip shape, and the installation gap of each square steel is 15 mm-50 mm. Preferably, the square steel installation gap is 20 mm-30 mm; further, the square steel installation clearance is 25mm. The placing screen 200 is made of square steel with the same specification into a hollowed shape, so that the placing screen 200 is convenient to install and place on the hollow car body, and floating sand on the sand core falls into the hollow car body through the hollowed placing screen 200 to be stored.
Further, the placement screen 200 is connected to the hollow car body 100 by bolts. That is, the placing screen mesh is fixed on the hollow car body by adopting the bolts, the flatness of the placing screen mesh 200 is regulated by utilizing the bolts, and the flatness of the placing screen mesh 200 is required to be regulated within an error range of +/-1 mm in the actual regulation process, so that the sand core can be prevented from shifting and tilting in the transportation process.
Specifically, the number of the rail wheels 300 is at least two, each rail wheel 300 is symmetrically installed at the bottom of the hollow car body, and the hollow car body 100 is supported by the rail wheels 300 to move along the transfer guide rail along with the rail wheels 300, so that the sand cores loaded on the transfer trolley can be transferred between preset positions. In one embodiment, four rail wheels are mounted on the hollow vehicle body, and each roller wheel is in butt joint with the transfer guide rail. Specifically, two driving motors or four driving motors can be selectively installed according to the weight of the loaded sand core. The driving motor 400 is installed on the hollow vehicle body 100, and a transmission shaft of the driving motor 400 is rotatably connected with an axle of the rail wheel 300, so that the rail wheel 300 can be driven to move along the transfer guide rail by starting the driving motor 400. In an embodiment, a drag chain is disposed on the hollow car body 100, and a power cord is installed on the drag chain, and the power cord is used for charging the sand core transferring trolley. That is, the drag chain is used for carrying a power line, and the power line is electrically connected with the driving motor 400, so as to realize that the driving motor 400 is powered on, and continuous electric driving is completed. Thus, the power supply to the transfer trolley in a non-battery power supply mode can be facilitated by arranging the drag chain. It should be noted that, the power supply mode of the transfer trolley can also be implemented by adopting a battery or fixed-point charging mode, and a drag chain can be omitted, and the power supply mode is selectively set according to the actual factory environment.
Further, the sand cleaning member 500 is disposed on the hollow vehicle body 100 and extends toward the rail wheel 300 to clean the rail wheel. The external shape of the sand core transfer trolley is similar to that of a general automobile structure, and the hollow vehicle body 100 is generally provided with a groove for accommodating the rail wheel 300, and the rail wheel 300 is embedded in the groove. The sand cleaning member 500 is mounted on the wall of the groove, and can clean the rotating rail wheel 300. In one embodiment, the sand cleaning member 500 is mounted on the front sheet metal of the hollow vehicle body 100. This facilitates installation and cleaning of the sand cleaning member 500. In an embodiment, the sand cleaning member 500 includes a cleaning brush 510 and a blowing pipe 520, where the cleaning brush 510 and the blowing pipe 520 are respectively disposed on the hollow vehicle body 100 and extend toward the rail wheel 300. Specifically, each roller 300 is correspondingly provided with a sand cleaning member 500. In one embodiment, the cleaning brush 510 is disposed about the rail wheel 300. Specifically, on both sides of the groove of the hollow car body 100 where the rail wheel 300 is installed. In one embodiment, the air blow pipe 520 is mounted between two adjacent ones of the roller wheels 300. Thus, two roller wheels can be purged at the same time. In order to facilitate the synchronous cleaning of the roller way wheel, further, the air blowing pipe 520 is connected with a solenoid valve, and the solenoid valve is interlocked with the driving motor 400. That is, the solenoid valve opens the air blowing pipe 520 while the driving motor 400 is started, the rail wheel is purged, and the solenoid valve closes the air blowing pipe 520 while the driving motor 400 is stopped, and the rail wheel is purged.
According to the sand core transferring trolley 10, the placing screen 200 is arranged on the hollow trolley body 100, so that floating sand on the sand core placed on the placing screen 200 falls into the bottom of the hollow trolley body 100 through the placing screen, and the collection of the floating sand in the process of using the transferring trolley to transfer the sand core is facilitated, so that the environment is prevented from being polluted; specifically, the rail wheel 300 is driven by the driving motor 400 to enable the transfer trolley to move along the guide rail so as to quickly transport sand cores, and meanwhile, the sand cleaning piece 500 is installed at the position of the hollow trolley body, which is located on the rail wheel 300, so that the transfer trolley can be further ensured to smoothly and quickly transport along the guide rail, the transfer efficiency of the sand cores is effectively improved, and the production efficiency of products is further improved.
In order to accurately control the stop of the sand core transferring trolley, referring to fig. 1 and 2, in an embodiment, the hollow vehicle body 100 is provided with a photoelectric sensor 600, and the photoelectric sensor 600 and the sensing iron block 30 of the transferring guide rail 20 are mutually sensed to control the stop of the sand core transferring trolley. The transferring guide rail can be a conveying rail of a sand cleaning room, and the photoelectric sensor 600 and the induction iron block are all in communication connection with a control system PLC of the sand core transferring trolley. Specifically, when the transfer trolley moves, the photoelectric sensor 600 installed on the hollow vehicle body and the induction iron block installed on the sand cleaning room track are opposite to each other, a correlation signal is sent to the control system PLC, and the PLC program control system correspondingly sends a stop signal to the transfer trolley moving system according to the correlation signal, and the transfer trolley moving system receives the stop signal to control the transfer trolley to stop.
In an embodiment, at least two photoelectric sensors 600 are installed, and the number of the photoelectric sensors is the same as the number of the induction iron blocks of the transfer guide rail, and the photoelectric sensors are in mutual one-to-one correspondence induction. That is, the number of the photoelectric sensors mounted on the hollow car body of the transfer trolley is plural, the specific mounting position may be the side portion or the bottom portion of the hollow car body, and the same number of the induction iron blocks are correspondingly arranged on the transfer guide rail, so that when the photoelectric sensors 600 on the transfer trolley and the induction iron blocks on the transfer guide rail realize one-to-one correspondence, the control system PLC receives accurate correlation signals, and then sends corresponding stop signals, thereby accurately realizing that the transfer trolley is stopped to a preset position. It should be understood that by setting a plurality of sets of correlation photoelectric sensors 600 and induction iron blocks, the influence of other on-site medium factors (correlation between other iron substances and the photoelectric sensors) on the false triggering correlation signals can be avoided, so that the transfer trolley stops without reaching a preset position, and the accurate stop of the transfer trolley is influenced. Taking a sand mould 3D printer as an example, the sand core is transferred at a sand removal station: after the parking position of the trolley is determined according to the field process, an induction iron block is arranged between the side edge of the rail at the middle point of the rail of the sand cleaning room (the manual sand cleaning room and the automatic sand cleaning room) and the two rails, and photoelectric sensors are arranged at the side edge and the bottom of the trolley in the length direction and are in one-to-one correspondence with the induction iron blocks. Thus, when the trolley runs, the photoelectric sensor shoots the induction iron block for the first time, and the trolley runs reversely after continuously running forwards for a certain distance at a reduced speed. And when the photoelectric sensor is opposite to the induction iron block in the reverse running process, the trolley stops running. When the side and bottom photoelectric sensors change in signal at the same time, the program control PLC system receives correlation signals and sends out stop signals, and the stop signals are simultaneously fed back to the truss robot and the transfer trolley, so that the accuracy of the truss robot on grabbing coordinates of sand cores on the transfer trolley can be ensured.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a psammitolite moves and carries dolly which characterized in that, the psammitolite move and carry dolly include: the sand cleaning device comprises a hollow vehicle body, a placing screen, a rail wheel, a driving motor and a sand cleaning piece; the placing screen is arranged on the hollow car body and used for bearing the sand core; the rail wheel is slidably arranged at the bottom of the hollow car body, and the driving motor is in driving connection with the rail wheel and is used for driving the rail wheel to move along the transfer guide rail; the sand cleaning piece is arranged on the hollow vehicle body and extends towards the rail wheel to clean the rail wheel; side plates are respectively arranged on two sides of the bottom surface of the hollow car body and used for collecting floating sand falling into the bottom surface of the hollow car body.
2. The sand core transfer trolley according to claim 1, wherein the sand cleaning member comprises a cleaning brush and a blowing pipe, and the cleaning brush and the blowing pipe are respectively arranged on the hollow trolley body and extend towards the rail wheel.
3. The sand core transfer trolley according to claim 2, wherein the air blowing pipe is connected with an electromagnetic valve, and the electromagnetic valve is interlocked with the driving motor.
4. The sand core transfer trolley according to claim 1, wherein the hollow trolley body is provided with a photoelectric sensor, and the photoelectric sensor and the induction iron block of the transfer guide rail are mutually induced and used for controlling the sand core transfer trolley to stop running.
5. The sand core transfer trolley according to claim 4, wherein at least two photoelectric sensors are installed, the number of the photoelectric sensors is the same as the number of the induction iron blocks of the transfer guide rail, and the photoelectric sensors are in mutual one-to-one correspondence induction.
6. The sand core transfer trolley according to claim 1, wherein the placing screen is made of a plurality of square steels in a strip shape, and the installation clearance of each square steel is 15-50 mm.
7. The sand core transfer trolley of claim 1 wherein the placement screen is bolted to the hollow vehicle body.
8. The sand core transfer trolley according to claim 1, wherein a drag chain is arranged on the hollow trolley body, and a power line is arranged on the drag chain and used for charging the sand core transfer trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705152.4A CN112298941B (en) | 2019-08-01 | 2019-08-01 | Sand core transfer trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705152.4A CN112298941B (en) | 2019-08-01 | 2019-08-01 | Sand core transfer trolley |
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| Publication Number | Publication Date |
|---|---|
| CN112298941A CN112298941A (en) | 2021-02-02 |
| CN112298941B true CN112298941B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705152.4A Active CN112298941B (en) | 2019-08-01 | 2019-08-01 | Sand core transfer trolley |
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| CN (1) | CN112298941B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113184679A (en) * | 2021-03-25 | 2021-07-30 | 国药集团中联药业有限公司 | Automatic locking and opening lifting hook device and traditional Chinese medicine extraction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05338755A (en) * | 1992-06-04 | 1993-12-21 | Hatsuchiyandou:Kk | Conveying device utilizing chain conveyor |
| DE102008032151A1 (en) * | 2008-07-08 | 2010-01-21 | Eisenmann Anlagenbau Gmbh & Co. Kg | Conveyor, particularly electro-rail conveyor system for use in industrial plants for transporting work pieces, has electro-track railway which consists of load- and guide-rail and load bearing wagon that carries work pieces |
| CA2790397A1 (en) * | 2011-12-13 | 2013-06-13 | Hunter Automated Machinery Corporation | Method and apparatus for conveying sand molds |
| CN206813865U (en) * | 2017-05-09 | 2017-12-29 | 济宁矿业集团花园井田资源开发有限公司 | A kind of colliery separates dolly with coal |
| CN107651392A (en) * | 2017-08-31 | 2018-02-02 | 宁夏共享模具有限公司 | A kind of core sand removal movement system |
| CN207192181U (en) * | 2017-09-05 | 2018-04-06 | 洛阳氟钾科技股份公司 | A kind of fluorite ore tunnel travelling bogie |
| CN108726122A (en) * | 2018-06-12 | 2018-11-02 | 贵州大学 | A kind of coal mining transport device with screening function |
-
2019
- 2019-08-01 CN CN201910705152.4A patent/CN112298941B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05338755A (en) * | 1992-06-04 | 1993-12-21 | Hatsuchiyandou:Kk | Conveying device utilizing chain conveyor |
| DE102008032151A1 (en) * | 2008-07-08 | 2010-01-21 | Eisenmann Anlagenbau Gmbh & Co. Kg | Conveyor, particularly electro-rail conveyor system for use in industrial plants for transporting work pieces, has electro-track railway which consists of load- and guide-rail and load bearing wagon that carries work pieces |
| CA2790397A1 (en) * | 2011-12-13 | 2013-06-13 | Hunter Automated Machinery Corporation | Method and apparatus for conveying sand molds |
| CN206813865U (en) * | 2017-05-09 | 2017-12-29 | 济宁矿业集团花园井田资源开发有限公司 | A kind of colliery separates dolly with coal |
| CN107651392A (en) * | 2017-08-31 | 2018-02-02 | 宁夏共享模具有限公司 | A kind of core sand removal movement system |
| CN207192181U (en) * | 2017-09-05 | 2018-04-06 | 洛阳氟钾科技股份公司 | A kind of fluorite ore tunnel travelling bogie |
| CN108726122A (en) * | 2018-06-12 | 2018-11-02 | 贵州大学 | A kind of coal mining transport device with screening function |
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| CN112298941A (en) | 2021-02-02 |
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Application publication date: 20210202 Assignee: Sharing intelligent Foundry Industry Innovation Center (Anhui) Co.,Ltd. Assignor: NATIONAL INTELLIGENT FOUNDRY INDUSTRY INNOVATION CENTER Contract record no.: X2024980009437 Denomination of invention: Sand core transfer cart Granted publication date: 20240301 License type: Exclusive License Record date: 20240711 |