CN114348880A - Hoist for casting machine and operation method - Google Patents
Hoist for casting machine and operation method Download PDFInfo
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- CN114348880A CN114348880A CN202111637758.2A CN202111637758A CN114348880A CN 114348880 A CN114348880 A CN 114348880A CN 202111637758 A CN202111637758 A CN 202111637758A CN 114348880 A CN114348880 A CN 114348880A
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- 238000000034 method Methods 0.000 title abstract description 9
- 230000008602 contraction Effects 0.000 claims description 2
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- 238000009434 installation Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a hoist for a casting machine and an operation method, and relates to the technical field of hoists. The invention comprises a support column and an arm body, wherein a support is arranged at the top of the support column; the arm body comprises a telescopic arm component and a rotating arm, wherein the telescopic arm component is rotatably arranged above the supporting column, and the rotating arm is arranged at the end part of the telescopic arm component; the telescopic arm component comprises a telescopic arm A and a telescopic arm B; the clamping piece comprises a bracket fixedly assembled at the end part of the rotating arm and a plurality of pairs of lifting hooks arranged in the bracket and used for grabbing the bag cover; and the power device comprises a power assembly A for driving the telescopic arm assembly to rotate, a power assembly B for driving the telescopic arm assembly to extend and retract, and a power assembly C for driving the rotating arm to rotate. By arranging the telescopic arm component, the rotating arm and the clamping piece, the problems that the existing hoist is not stable enough in structure, the cross arm is easy to hurt people when problems occur, and the grabbing angle and the distance are difficult to adjust are solved.
Description
Technical Field
The invention belongs to the technical field of opening and closing machines, and particularly relates to an opening and closing machine for a casting machine and an operation method.
Background
The hoist is used for various large-scale water supply and drainage, water conservancy and hydropower engineering. The valve is used for controlling the lifting of various large and medium cast iron gates and steel gates to achieve the purpose of opening and closing. The hoist includes various types: hydraulic hoist, hoist, gantry crane, hand wheel hoist, flashlight hoist, hand hoist, screw hoist, double-lift hoist etc. of which hydraulic hoist is more common. The existing hoist has poor stability and is difficult to adapt to various conditions in the actual operation process.
Application number CN201811431688.3 discloses a casting machine headstock gear for be built by contract, relates to headstock gear technical field. The hydraulic support comprises a stand column, wherein an installation sleeve is arranged on the stand column, a hydraulic cylinder is hinged on the installation sleeve, the top end of the stand column is rotatably connected with a cross arm, and the output end of the hydraulic cylinder is hinged with one end of the cross arm; a limiting disc is fixed at the top end of the upright post, a shaft hole is formed in the middle of the limiting disc, a mounting hole is formed in the limiting disc, a limiting groove is formed in the edge of the limiting disc in a circular array, and a limiting post in sliding fit with the limiting groove is arranged on the cross arm; one end of the cross arm is provided with an extension arm. The hydraulic cylinder hinged on the upright post is used for driving the cross arm, so that the rotation of the cross arm on the upright post is realized, the limiting disc is fixed on the upright post, and the limiting post on the cross arm is in sliding fit in the limiting disc, so that the control effect on the rotation amplitude of the cross arm is enhanced, the structural stability and the structure are stronger, the production cost is lower, and the cost performance level is improved. However, the hoist structure in the above patent is still not stable enough, and when the hydraulic cylinder is in trouble, the cross arm is easy to cause injury to people; and do not have telescopic design, be difficult to snatch the be built by contract of different positions, need adjust the position of headstock gear repeatedly, adjust the time overlength, it is inefficient.
Disclosure of Invention
The invention aims to provide a hoist for a casting machine, which solves the problems that the existing hoist is not stable enough in structure, a cross arm is easy to cause injury to people when problems occur, and the grabbing angle and the distance are difficult to adjust by arranging a telescopic arm component, a rotating arm and a clamping piece.
The invention also aims to provide an operation method of the hoist for the casting machine, which solves the problems that the position of the hoist needs to be repeatedly adjusted and the adjustment time is long when the existing hoist is operated by primarily adjusting the telescopic distance, grabbing and primarily fixing and finally fixing.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a hoist for a casting machine, which comprises a support column, wherein a support for rotating an arm body is arranged at the top of the support column; the arm body comprises a telescopic arm component and a rotating arm, wherein the telescopic arm component is rotatably arranged above the supporting column, and the rotating arm is arranged at the end part of the telescopic arm component and rotates relative to the telescopic arm component; the telescopic arm component comprises a telescopic arm A and a telescopic arm B; the clamping piece comprises a bracket fixedly assembled at the end part of the rotating arm and a plurality of pairs of lifting hooks arranged in the bracket and used for grabbing the bag cover; and the power device comprises a power assembly A for driving the telescopic arm assembly to rotate, a power assembly B for driving the telescopic arm assembly to extend and retract, and a power assembly C for driving the rotating arm to rotate.
As a preferable aspect of the present invention, the telescopic arm assembly includes: the telescopic arm A is of a hollow structure, and a track for the telescopic arm B to move is arranged on the inner bottom surface of the telescopic arm A; the front end part of the telescopic arm B is provided with a hinged support A and is hinged with the rotating arm; the tail end of the telescopic arm B is provided with a connecting ring; wherein, the tail end of the rotating arm is provided with a connecting seat A which is hinged with the hinged seat A.
As a preferred technical scheme of the invention, the power assembly B is a hydraulic device arranged in the telescopic arm A and is connected with the telescopic arm B through a telescopic end; the power component C is a hydraulic cylinder; the power assembly C is rotatably connected to the bottom of the telescopic arm B, and the telescopic end of the telescopic arm B is rotatably connected with the bottom of the rotating arm.
As a preferred technical scheme of the invention, the bottom of the telescopic arm B is provided with a plurality of pairs of driving wheels; and a notch groove for avoiding the power assembly C is formed at the bottom of the telescopic arm A.
As a preferred technical scheme of the invention, a pair of support plates arranged in parallel are fixed at the bottom of the bracket; each supporting plate is provided with a pair of sliding grooves; and a cross rod which is in sliding fit with the sliding groove is fixed at the top of the lifting hook.
As a preferred technical scheme of the invention, a plurality of connecting pieces for preventing a pair of lifting hooks from being far away are fixed between the lifting hooks; the connecting piece is an extension spring.
As a preferred technical scheme of the invention, the support is of a hinged support structure; the bottom of the telescopic arm A is provided with a connector which is hinged with the support; the power component A is of a hydraulic cylinder structure; the telescopic end of the power assembly A is hinged with the telescopic arm A.
As a preferred technical scheme of the invention, the fixed end of the power component A is provided with a hinged support B and is hinged with a fixed seat through the hinged support B; the fixing base includes: the annular plate is arranged on the periphery side of the support column in a sliding manner; and the connecting seat B is fixed on the edge of the annular plate and is hinged with the hinged support B.
As a preferred technical scheme of the invention, an auxiliary supporting structure is also arranged below the telescopic arm A; the auxiliary support structure comprises a connecting plate; one end of the connecting plate is hinged with the telescopic arm A, and the other end of the connecting plate is hinged with a sliding block; a top plate is fixed at the top of the annular plate through a plurality of vertical rods; one side of the sliding block is provided with a sliding hole which is used for being in sliding connection with the vertical rod.
The invention also provides an operation method of the hoist for the casting machine, which comprises the following steps:
s01, the power assembly A is driven to extend out, the telescopic arm A is rotated to a proper angle to be preliminarily fixed, and meanwhile, the telescopic arm A drives the auxiliary support structure and the sliding block to slide on the vertical rod and carries out auxiliary support on the telescopic arm A; s02, on the basis of the preliminary fixing and the auxiliary supporting in the step S01, the power assembly B drives the telescopic arm B to slide in the telescopic arm A and extend outwards until the telescopic arm B slides to the required length, and the telescopic distance is preliminarily adjusted; s03, after the primary adjustment of the telescopic distance is carried out in the step S02, the rotating arm and the clamping piece are rotated downwards to a proper angle and distance and then fixed through the contraction of the driving power assembly C; s04, the sliding cross bar hooks one of the hooks to one side of the bag cover for fixation, then the other cross bar is slid, the other hook hooks the other side of the bag cover for fixation, and the bag cover is grabbed and preliminarily fixed; s05, driving the power component C to extend out and driving the power component B to contract until the lifting hook upwards pulls the ladle cover for final fixation; then the power assembly A is driven to contract, and the ladle cover is grabbed through the clamping piece.
The invention has the following beneficial effects:
1. according to the invention, the telescopic end of the telescopic arm B is rotatably connected with the bottom of the rotating arm, and when the grabbing angle is not good, the power assembly C works to drive the rotating arm to rotate, so that the clamping piece is adjusted to a proper angle, and the target is grabbed or placed.
2. According to the invention, the connecting piece is arranged, when the bag cover is grabbed, the bag cover is hooked by the pair of lifting hooks, the pair of lifting hooks keep relative movement by the extension spring, so that the bag cover is not easy to loosen, and the bag covers with different sizes are grabbed or two different positions on the bag cover are grabbed, so that the practicability is strong.
3. According to the invention, the top plate is fixed on the top of the annular plate through the vertical rods, and the top plate and the annular plate limit the movement of the sliding block between the top plate and the annular plate, so that when the power assembly A breaks down and is separated from the telescopic arm A, the telescopic arm A cannot rotate by too many angles to injure people.
4. According to the invention, the auxiliary support structure is arranged, when the power assembly A works to drive the telescopic arm A to rotate, the sliding block is driven to slide on the vertical rod, the connecting plate further ensures that the telescopic arm A is not easy to shake when rotating, and meanwhile, when the power assembly A breaks down, especially when the power assembly A is separated from the telescopic arm A, the connecting plate carries out auxiliary support on the power assembly A, so that the stability of the device is improved, and meanwhile, the service life of the power assembly A is prolonged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a hoist for a casting machine according to the present invention;
FIG. 2 is a schematic structural view of a telescopic arm A;
FIG. 3 is a schematic structural view of a telescopic arm B;
FIG. 4 is a schematic view of the installation of the telescopic boom A, the telescopic boom B and the rotating boom;
FIG. 5 is a schematic structural view of the fixing base;
FIG. 6 is a schematic view of the mounting of the fixing base and the telescopic arm A;
FIG. 7 is a schematic view of the structure of the clamping member;
FIG. 8 is a top schematic view of the clamp;
FIG. 9 is a schematic front view of the general structure of the present invention;
FIG. 10 is a schematic flow chart of the operation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a hoist for a casting machine and an operation method thereof, including a support pillar 1, a support 101 for rotating an arm is arranged on the top of the support pillar 1; the arm body comprises a telescopic arm component 2 which is rotatably arranged above the support column 1 and a rotating arm 3 which is arranged at the end part of the telescopic arm component 2 and rotates relative to the telescopic arm component 2; the telescopic arm assembly 2 comprises a telescopic arm A201 and a telescopic arm B202, and the telescopic arm B202 can be accommodated in the telescopic arm A201; and a clamp 4, the clamp 4 includes a bracket 401 fixedly assembled at the end of the rotating arm 3, and a plurality of pairs of hooks 402 arranged in the bracket 401 and used for grabbing the bag cover, thereby grabbing the target device; and the power device 5, wherein the power device 5 comprises a power assembly A501 for driving the telescopic arm assembly 2 to rotate, a power assembly B502 for driving the telescopic arm assembly 2 to telescope and a power assembly C503 for driving the rotating arm 3 to rotate.
Example one
Referring to fig. 2-3, the telescopic arm assembly 2 comprises: the telescopic arm A201 is hollow, and a track 2011 for the telescopic arm B202 to move is arranged on the inner bottom surface of the telescopic arm A201; the front end part of the telescopic arm B202 is provided with a hinged support A2021 and is hinged with the rotating arm 3, so that the rotating arm 3 can rotate relatively to hook positions at different angles; the tail end of the telescopic arm B202 is provided with a connecting ring 2022; wherein, the tail end of the rotating arm 3 is provided with a connecting seat A301 hinged with a hinged seat A2021.
Referring to fig. 4, a power assembly B502 is a hydraulic device installed in the telescopic arm a201, and is connected to the telescopic arm B202 through a telescopic end, so as to achieve the telescopic function of the device, and thus grasp the bag covers at different distances; the power component C503 is a hydraulic cylinder; the power assembly C503 is rotatably connected to the bottom of the telescopic arm B202, the telescopic end of the telescopic arm B202 is rotatably connected with the bottom of the rotating arm 3, when the grabbing angle is poor, the power assembly C503 works to drive the rotating arm 3 to rotate, the clamping piece 4 is adjusted to a proper angle, and therefore the target is grabbed or placed; the bottom of the telescopic arm B202 is provided with a plurality of pairs of driving wheels 2023, so that friction force is reduced, and the telescopic arm B202 can be more smoothly contracted; the bottom of the telescopic arm a201 is provided with a notch groove 2012 for avoiding the power assembly C503.
Example two
On the basis of the first embodiment, please refer to fig. 7, a pair of support plates 403 arranged in parallel is fixed at the bottom of the support 401; each support plate 403 is provided with a pair of sliding grooves 404; a cross bar 405 which is used for being in sliding fit with the sliding groove 404 is fixed at the top of the hook 402, and the cross section of the cross bar 405 is set to be a rectangular structure, so that the hook 402 is not easy to rotate; a plurality of connecting pieces 406 for preventing the pair of hooks 401 from being far away are fixed between the hooks 402; connecting piece 406 is an extension spring, when snatching the be built by contract, catches the be built by contract through a pair of lifting hook 401, and extension spring makes and keeps relative motion between a pair of lifting hook 401 to make difficult pine take off, another advantage can snatch or snatch the be built by contract two different positions to unidimensional be built by contract, and the practicality is strong, and connecting piece 406 also can set to wire rope.
EXAMPLE III
On the basis of the second embodiment, please refer to fig. 6, the support 101 is a hinged support structure; the bottom of the telescopic arm A201 is provided with a connector 203 which is hinged with the support 101, and the telescopic arm A201 rotates when working, so that the bag cover is grabbed by the clamping piece 4; the power assembly A501 is of a hydraulic cylinder structure, so that the ladle cover can be moved; the telescopic end of the power assembly A501 is hinged to the telescopic arm A201, and the power assembly A501 drives the telescopic arm A201 to rotate when working.
Referring to fig. 6, a fixed end of the power assembly a501 is provided with a hinge seat B5011, and is hinged to a fixed seat 6 through the hinge seat B5011; the fixing base 6 includes: the annular plate 601, the annular plate 601 is slidably arranged on the peripheral side of the support column 1; and the connecting seat B602, wherein the connecting seat B602 is fixed at the edge of the annular plate 601 and is hinged with the hinge seat B5011.
Referring to fig. 6, an auxiliary support structure 7 is further disposed below the telescopic arm a 201; the auxiliary supporting structure 7 comprises a connecting plate 701, and connecting structures for hinging are arranged at two ends of the connecting plate 701; one end of the connecting plate 701 is hinged with the telescopic arm A201, and the other end of the connecting plate 701 is hinged with a sliding block 702; a top plate 604 is fixed on the top of the annular plate 601 through a plurality of vertical rods 603, and the top plate 604 and the annular plate 601 limit the movement of the sliding block 702 between the top plate and the annular plate, so that when the power assembly A501 breaks down and is separated from the telescopic arm A201, the telescopic arm A201 cannot rotate too many angles to injure people; the slide hole 703 that is used for with montant 603 sliding connection is seted up to slider 702 one side, power component A501 work drives telescopic boom A201 and rotates, drives slider 702 and slides on montant 603, connecting plate 701 has further guaranteed that telescopic boom A201 is difficult for rocking when rotating, when power component A501 broke down, especially when breaking away from with telescopic boom A201, connecting plate 701 carries out the auxiliary stay to it, the stability of the high pressure heater unit improves the device, the life of extension power component A501 simultaneously.
On the basis of the third embodiment, the invention also provides an operation method of the hoist for the casting machine, which comprises the following steps:
s01, the power assembly A501 is driven to extend out, the telescopic arm A201 is rotated to a proper angle for preliminary fixing, meanwhile, the telescopic arm A201 drives the auxiliary supporting structure 7 and the sliding block 702 to slide on the vertical rod 603, and the telescopic arm A201 is supported in an auxiliary mode; s02, on the basis of the preliminary fixing and the auxiliary supporting in the step S01, the power assembly B502 drives the telescopic arm B202 to slide in the telescopic arm A201 and extend outwards until the telescopic arm B slides to the required length, and the telescopic distance is preliminarily adjusted; s03, after the primary adjustment of the telescopic distance is carried out in the step S02, the rotating arm 3 and the clamping piece 4 are rotated downwards to a proper angle and distance and then fixed by driving the power assembly C503 to contract; s04, the sliding cross bar 405 hooks one hook 402 on one side of the bag cover to be fixed, then the other cross bar 405 is slid, the other hook 402 is hooked on the other side of the bag cover to be fixed, and the bag cover is grabbed and primarily fixed; s05, driving the power component C503 to extend out and driving the power component B502 to contract until the lifting hook 402 pulls the bag cover upwards to be finally fixed; the power assembly a501 is then driven to retract, grabbing the pack cover by the gripper 4.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A hoist for a casting machine, comprising:
the support arm comprises a support column (1), wherein a support seat (101) for rotating an arm body is arranged at the top of the support column (1); and
the arm body comprises a telescopic arm component (2) which is rotatably arranged above the support column (1) and a rotating arm (3) which is arranged at the end part of the telescopic arm component (2) and rotates relative to the telescopic arm component (2); the telescopic arm component (2) comprises a telescopic arm A (201) and a telescopic arm B (202); and
the clamping piece (4) comprises a bracket (401) fixedly assembled at the end part of the rotating arm (3) and a plurality of pairs of lifting hooks (402) which are arranged in the bracket (401) and are used for grabbing the bag cover; and
the power device (5) comprises a power assembly A (501) used for driving the telescopic arm assembly (2) to rotate, a power assembly B (502) used for driving the telescopic arm assembly (2) to telescope, and a power assembly C (503) used for driving the rotating arm (3) to rotate.
2. Hoist for a casting machine according to claim 1, characterized in that the telescopic arm assembly (2) comprises:
the telescopic arm A (201), the inside of the telescopic arm A (201) is of a hollow structure, and the inner bottom surface of the telescopic arm A (201) is provided with a track (2011) for the telescopic arm B (202) to move;
the front end part of the telescopic arm B (202) is provided with a hinged support A (2021) and is hinged with the rotating arm (3); the tail end of the telescopic arm B (202) is provided with a connecting ring (2022);
wherein, the tail end of the rotating arm (3) is provided with a connecting seat A (301) hinged with a hinged seat A (2021).
3. The hoist for a casting machine according to claim 2, characterized in that the power assembly B (502) is a hydraulic device installed in the telescopic arm a (201) and is connected with the telescopic arm B (202) through a telescopic end;
the power component C (503) is a hydraulic cylinder; the power assembly C (503) is rotatably connected to the bottom of the telescopic arm B (202), and the telescopic end of the telescopic arm B (202) is rotatably connected with the bottom of the rotating arm (3).
4. The hoist for casting machine according to claim 2 or 3, characterized in that the bottom of the telescopic arm B (202) is provided with a plurality of pairs of driving wheels (2023);
the bottom of the telescopic arm A (201) is provided with a notch groove (2012) for avoiding the power assembly C (503).
5. The hoist for a casting machine according to claim 1, characterized in that a pair of support plates (403) arranged in parallel are fixed to the bottom of the bracket (401); each supporting plate (403) is provided with a pair of sliding grooves (404);
and a cross bar (405) which is used for being in sliding fit with the sliding groove (404) is fixed at the top of the lifting hook (402).
6. The hoist for a pouring machine according to claim 1, wherein a plurality of connecting members (406) for preventing a pair of hooks (401) from being separated from each other are fixed between the hooks (402); the connecting member (406) is an extension spring.
7. The hoist for a casting machine according to claim 1, characterized in that the support (101) is a hinged support structure;
the bottom of the telescopic arm A (201) is provided with a connector (203) which is hinged with the support (101);
the power assembly A (501) is of a hydraulic cylinder structure; the telescopic end of the power assembly A (501) is hinged with the telescopic arm A (201).
8. The hoist for the casting machine according to claim 1 or 7, characterized in that the fixed end of the power assembly A (501) is provided with a hinge seat B (5011) and is hinged with a fixed seat (6) through the hinge seat B (5011); the holder (6) comprises:
the annular plate (601), the said annular plate (601) is set up in the side of circumference of the support column (1) slidably;
and the connecting seat B (602), wherein the connecting seat B (602) is fixed at the edge of the annular plate (601) and is hinged with the hinged seat B (5011).
9. The hoist for a pouring machine according to claim 8, characterized in that an auxiliary support structure (7) is further provided below the telescopic arm A (201); the auxiliary support structure (7) comprises a connection plate (701); one end of the connecting plate (701) is hinged with the telescopic arm A (201), and the other end of the connecting plate (701) is hinged with a sliding block (702);
a top plate (604) is fixed at the top of the annular plate (601) through a plurality of vertical rods (603); one side of the sliding block (702) is provided with a sliding hole (703) which is used for being in sliding connection with the vertical rod (603).
10. An operating method of a hoist for a casting machine, characterized by comprising the steps of:
s01, driving the power assembly A (501) to extend out, rotating the telescopic arm A (201) to a proper angle for preliminary fixing, and simultaneously driving the auxiliary supporting structure (7) and the sliding block (702) to slide on the vertical rod (603) by the telescopic arm A (201) and carrying out auxiliary supporting on the telescopic arm A (201);
s02, on the basis of the preliminary fixing and the auxiliary supporting in the step S01, the power assembly B (502) drives the telescopic arm B (202) to slide in the telescopic arm A (201) and extend outwards until the telescopic arm A slides to the required length, and the telescopic distance is preliminarily adjusted;
s03, after the primary adjustment of the telescopic distance is carried out in the step S02, the rotating arm (3) and the clamping piece (4) are rotated downwards to a proper angle and distance and then fixed through the contraction of the driving power assembly C (503);
s04, the sliding cross bar (405) hooks one hook (402) on one side of the bag cover to be fixed, then the other cross bar (405) is slid, the other hook (402) is hooked on the other side of the bag cover to be fixed, and the bag cover is grabbed and primarily fixed;
s05, driving the power component C (503) to extend out, and driving the power component B (502) to contract until the lifting hook (402) pulls the ladle cover upwards to be finally fixed; then the power assembly A (501) is driven to contract, and the ladle cover is grabbed through the clamping piece (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637758.2A CN114348880A (en) | 2021-12-29 | 2021-12-29 | Hoist for casting machine and operation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637758.2A CN114348880A (en) | 2021-12-29 | 2021-12-29 | Hoist for casting machine and operation method |
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| CN114348880A true CN114348880A (en) | 2022-04-15 |
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| CN202111637758.2A Pending CN114348880A (en) | 2021-12-29 | 2021-12-29 | Hoist for casting machine and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118359092A (en) * | 2024-06-20 | 2024-07-19 | 山东矿通智能装备有限公司 | Hoisting machine for loading and unloading materials underground coal mine |
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| CN113247781A (en) * | 2021-04-14 | 2021-08-13 | 罗厚镇 | Lifting equipment for electromechanical engineering |
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| CN118359092A (en) * | 2024-06-20 | 2024-07-19 | 山东矿通智能装备有限公司 | Hoisting machine for loading and unloading materials underground coal mine |
| CN118359092B (en) * | 2024-06-20 | 2024-10-11 | 山东矿通智能装备有限公司 | Hoisting machine for loading and unloading materials underground coal mine |
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