CN112875587A - Adjustable fork truck portal of multiple operating mode of adaptation - Google Patents
Adjustable fork truck portal of multiple operating mode of adaptation Download PDFInfo
- Publication number
- CN112875587A CN112875587A CN202110289337.9A CN202110289337A CN112875587A CN 112875587 A CN112875587 A CN 112875587A CN 202110289337 A CN202110289337 A CN 202110289337A CN 112875587 A CN112875587 A CN 112875587A
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- Prior art keywords
- oil cylinder
- forklift
- gantry
- front side
- cylinder
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- 230000006978 adaptation Effects 0.000 title claims description 3
- 238000009434 installation Methods 0.000 claims description 11
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
- B66F9/082—Masts; Guides; Chains inclinable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to an adjustable forklift mast adaptive to various working conditions, which comprises an outer mast and a supporting seat, wherein the supporting seat is arranged right above a forklift front tire, a first oil cylinder and a second oil cylinder are arranged on the front side of the supporting seat, fixed ends of the first oil cylinder and the second oil cylinder are rotatably connected with the supporting seat, and the tail ends of movable rods of the first oil cylinder and the second oil cylinder are rotatably connected with the lower part of the outer mast after being hinged; two sides of the middle part of the outer gantry are connected with the front side of the forklift through a third oil cylinder, and two ends of the third oil cylinder are respectively connected with the middle part of the outer gantry and the front side of the forklift in a rotating manner; the lower part of outer mast sets up two hydro-cylinders that are triangle-shaped and arrange, and the middle part still is equipped with the third hydro-cylinder that corresponds, when adjusting outer mast, through first hydro-cylinder and second hydro-cylinder adjust outer mast lower part height and with the fork truck between the distance, simultaneously through the flexible regulation of third hydro-cylinder, can adjust the inclination of outer mast by a wide margin, the goods on the crotch can be close to the fork truck focus more, prevents that fork truck from leaning forward.
Description
Technical Field
The invention relates to the technical field of forklifts, in particular to an adjustable forklift gantry adaptive to various working conditions.
Background
The forklift plate is used for delivery, forklift transportation and as a device for a warehouse-padding plate, and plays an important role in improving the mechanical shipping efficiency and storing in a warehouse; the forklift plate brings great convenience to the work of factories, freight transportation and other places, and becomes a necessary auxiliary tool in the transportation of the forklift.
The forklift mast is a core component of the forklift, the existing forklift mast is generally lifted in two stages or three stages and is driven by a cylinder or a chain, so that the height of the pallet fork is adjusted according to the height of the goods shelf; however, the existing forklift gantry is generally fixed right in front of the forklift, the adjustable angle is small, and the gravity center is prone to tilting forward during running, particularly during deceleration, so that the forklift has the risk of overturning; simultaneously, current fork truck portal can influence driver's field of vision.
Disclosure of Invention
In view of this, the invention aims to provide an adjustable forklift mast adaptive to multiple working conditions, which can reduce the forward tilting risk of a forklift and reduce the influence on the visual field of a driver.
The adjustable forklift mast adaptive to various working conditions comprises an outer mast and a supporting seat, wherein the supporting seat is arranged right above a forklift front tire, a first oil cylinder and a second oil cylinder are arranged on the front side of the supporting seat, fixed ends of the first oil cylinder and the second oil cylinder are rotatably connected with the supporting seat, and the tail ends of movable rods of the first oil cylinder and the second oil cylinder are rotatably connected with the lower part of the outer mast after being hinged; two sides of the middle part of the outer gantry are connected with the front side of the forklift through a third oil cylinder, and two ends of the third oil cylinder are respectively connected with the middle part of the outer gantry and the front side of the forklift in a rotating manner; the first oil cylinder, the second oil cylinder and the third oil cylinder are all communicated with an oil way inside the forklift.
Furthermore, the included angle between the first oil cylinder and the outer gantry is an obtuse angle, and the included angle between the second oil cylinder and the outer gantry is an acute angle.
Furthermore, the supporting seat protrudes out of the front side of the forklift, the front side of the supporting seat is provided with a first C-shaped hinge element and a second C-shaped hinge element, rotating shafts are arranged in the first hinge element and the second hinge element, fixed ends of the first oil cylinder and the second oil cylinder are provided with hinge holes, and the rotating shafts penetrate through the hinge holes; the included angle of the first hinge member and the second hinge member is less than 90 degrees.
The hydraulic lifting device further comprises an inner gantry and a fork frame, wherein groove bodies are arranged in the vertical supporting rods on two sides of the outer gantry, two sides of the inner gantry are arranged in the groove bodies, a fourth oil cylinder is arranged in the groove bodies, the fixed end of the fourth oil cylinder is fixedly arranged in the groove bodies, and the movable end of the fourth oil cylinder is fixedly connected with the inner gantry; the slide bar inside cavity of interior portal both sides, the inside both ends of slide bar are equipped with first fluted disc and second fluted disc respectively, are equipped with drive chain on first fluted disc and the second fluted disc, crotch and the both sides sliding connection of interior portal, and the side of slide bar is equipped with the bar hole, and the crotch passes bar hole and drive chain fixed connection.
Further, the tail end of the movable rod of the first oil cylinder is provided with an installation block, and a first round hole is formed in the installation block; the tail end of the movable rod of the second oil cylinder is provided with a C-shaped first mounting piece, and two sides of the first mounting piece are provided with second round holes corresponding to the first round holes; the lower part of outer portal is equipped with the second installed part of C font, and the inside circular axostylus axostyle that corresponds with the second round hole that is equipped with of second installed part, first installed part setting are in the second installed part, and the installation piece sets up in first installed part, and circular axostylus axostyle wears to establish simultaneously in first round hole and the second round hole.
The invention has the beneficial effects that: compared with the prior art, the adjustable forklift mast adaptive to various working conditions is characterized in that two oil cylinders which are arranged in a triangular shape are arranged at the lower part of the outer mast, the corresponding third oil cylinder is further arranged at the middle part of the outer mast, when the outer mast is adjusted, the height of the lower part of the outer mast and the distance between the outer mast and a forklift are adjusted through the first oil cylinder and the second oil cylinder, meanwhile, the inclination angle of the outer mast can be adjusted greatly through telescopic adjustment of the third oil cylinder, and after the inclination angle of the outer mast can be adjusted greatly, goods on a fork frame can be closer to the gravity center of the forklift, so that the forklift is prevented from inclining forwards.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from the drawings without inventive effort:
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers are as follows: 1-outer gantry, 2-support seat, 3-inner gantry, 4-fork frame, 5-first oil cylinder, 6-second oil cylinder, 7-third oil cylinder, 8-fourth oil cylinder, 21-first hinge element and 22-second hinge element.
Detailed Description
As shown in fig. 1: the adjustable forklift mast adaptive to multiple working conditions comprises an outer mast 1 and a supporting seat 2, wherein the supporting seat 2 is arranged right above a forklift front tire, a first oil cylinder 5 and a second oil cylinder 6 are arranged on the front side of the supporting seat 2, fixed ends of the first oil cylinder 5 and the second oil cylinder 6 are rotatably connected with the supporting seat 2, and the tail ends of movable rods of the first oil cylinder 5 and the second oil cylinder 6 are rotatably connected with the lower part of the outer mast 1 after being hinged; two sides of the middle part of the outer gantry 1 are connected with the front side of the forklift through a third oil cylinder 7, and two ends of the third oil cylinder 7 are respectively connected with the middle part of the outer gantry 1 and the front side of the forklift in a rotating manner; the first oil cylinder 5, the second oil cylinder 6 and the third oil cylinder 7 are all communicated with an oil way inside the forklift.
Compared with the prior art, the adjustable forklift mast adaptive to various working conditions has the advantages that the two oil cylinders which are arranged in a triangular shape are arranged at the lower part of the outer mast 1, the corresponding third oil cylinder 7 is further arranged at the middle part of the outer mast 1, when the outer mast 1 is adjusted, the height of the lower part of the outer mast 1 and the distance between the outer mast 1 and a forklift are adjusted through the first oil cylinder 5 and the second oil cylinder 6, meanwhile, the inclination angle of the outer mast 1 can be greatly adjusted through telescopic adjustment of the third oil cylinder 7, and after the inclination angle of the outer mast 1 can be greatly adjusted, goods on the fork frame 4 can be closer to the gravity center of the forklift, so that the forklift is prevented.
In this embodiment, an included angle between the first oil cylinder 5 and the outer gantry 1 is an obtuse angle, an included angle between the second oil cylinder 6 and the outer gantry 1 is an acute angle, an included angle between the first oil cylinder 5 and the second oil cylinder 6 is preferably 60 to 90 degrees, and an included angle between the first oil cylinder 5 and the outer gantry 1 is an obtuse angle, so that a movable rod of the first oil cylinder 5 can enable the height of the lower portion of the outer gantry 1 to rise and move outwards slightly when extending, the movable rod of the second oil cylinder 6 can enable the lower portion of the outer gantry 1 to move outwards and rise slightly when extending, when the first oil cylinder 5 and the second oil cylinder 6 extend simultaneously, the lower portion of the outer gantry 1 rises to the maximum extent, and the third oil cylinder 7 is matched to enable the inclination extent of the outer gantry 1 to be larger.
In this embodiment, specifically, supporting seat 2 protrusion in fork truck's front side, the front side of supporting seat 2 is equipped with first articulated elements 21 and the second articulated elements 22 of the C font that the punching press was made, the intermediate surface of first articulated elements and second articulated elements is all installed on two installation faces of the front side of supporting seat 2, two installation faces form the contained angle of indent, the contained angle is greater than 90 degrees simultaneously, make the contained angle of first articulated elements 21 and second articulated elements 22 be less than 90, the inside of first articulated elements 21 and second articulated elements 22 all is equipped with the pivot, the both ends of pivot respectively with two relative side fixed connection of first articulated elements 21 or second articulated elements, the stiff end of first hydro-cylinder 5 and second hydro-cylinder 6 is equipped with and all is equipped with the hinge hole, the stiff end setting is in first articulated elements 21 or second articulated elements 22, and the pivot is worn to establish in the hinge hole.
In the embodiment, the hydraulic lifting device further comprises an inner gantry 3 and a fork frame 4, wherein groove bodies are arranged in vertical supporting rods on two sides of the outer gantry 1, two sides of the inner gantry 3 are arranged in the groove bodies, a fourth oil cylinder 8 is arranged in the groove bodies, a fixed end of the fourth oil cylinder 8 is fixedly arranged in the groove bodies, and a movable end of the fourth oil cylinder 8 is fixedly connected with the inner gantry 3; the inside cavity of slide bar of 3 both sides of interior portal, the inside both ends of slide bar are equipped with first fluted disc and second fluted disc respectively, be equipped with drive chain on first fluted disc and the second fluted disc, crotch 4 and interior portal 3's both sides sliding connection, the side of slide bar is equipped with the bar hole, crotch 4 passes bar hole and drive chain fixed connection, the whole structure that adopts the second grade to extend of portal in this scheme, interior portal 3 carries out the lifting through the fourth hydro-cylinder 8 that sets up in 1 both sides of outer portal, and crotch 4 then carries out the lifting through fluted disc and chain drive, the fluted disc is driven by the motor drive transmission gear group, the second grade portal is prior art, so this embodiment does not do too much show.
In this embodiment, the end of the movable rod of the first oil cylinder 5 is provided with an installation block, and the installation block is provided with a first round hole; a C-shaped first mounting piece is arranged at the tail end of a movable rod of the second oil cylinder 6, and second round holes corresponding to the first round holes are formed in two sides of the first mounting piece; the lower part of outer portal 1 is equipped with the second installed part of C font, the inside circular axostylus axostyle that corresponds with the second round hole that is equipped with of second installed part, first installed part sets up in the second installed part, the installation piece sets up in first installed part, circular axostylus axostyle wears to establish simultaneously in first round hole and second round hole, rotate the connection through circular axostylus axostyle with the end of first hydro-cylinder 5, the end of second hydro-cylinder 6 and the lower part of outer portal 1.
The specific implementation process is as follows:
(1) a driver controls the first oil cylinder 5, the second oil cylinder 6, the third oil cylinder 7 and the fourth oil cylinder 8 through an oil circuit in the forklift and lifts the fork frame 4 through a control motor;
(2) when a driver loads goods, the first oil cylinder 5 and the second oil cylinder 6 are controlled to contract, and meanwhile, the third oil cylinder 7 extends out, so that the outer gantry 1, an inner portal following the outer gantry 1 and the fork frame 4 are all in vertical positions, and at the moment, after the fork frame 4 is lowered to the lowest position, the forklift is opened forwards, and then the goods can be loaded on the fork frame 4;
(3) after the goods are loaded, if the weight of the goods is general, the second oil cylinder 6 is directly extended, the third oil cylinder 7 is contracted, and the outer gantry 1 is inclined, so that the goods can be more stably wrapped on the fork frame 4;
(4) if the weight of the goods is large, the first oil cylinder 5 and the second oil cylinder 6 are made to stretch out simultaneously, the third oil cylinder 7 contracts, after the first oil cylinder 5 stretches out, the whole outer gantry 1 is lifted highly, the third oil cylinder 7 rotates due to the lifting of the outer gantry 1, the inclination amplitude of the whole outer gantry 1 reaches the maximum, and meanwhile, the fork frame 4 is lifted to lift the goods, so that the gravity center of the goods moves backwards, and the situation that the forklift tilts forwards due to the fact that the forklift head is too heavy is avoided.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. The utility model provides an adjustable fork truck portal of multiple operating mode of adaptation which characterized in that: the forklift front tire support device comprises an outer gantry and a support seat, wherein the support seat is arranged right above a forklift front tire, a first oil cylinder and a second oil cylinder are arranged on the front side of the support seat, fixed ends of the first oil cylinder and the second oil cylinder are rotatably connected with the support seat, and the tail ends of movable rods of the first oil cylinder and the second oil cylinder are rotatably connected with the lower part of the outer gantry after being hinged; two sides of the middle part of the outer gantry are connected with the front side of the forklift through a third oil cylinder, and two ends of the third oil cylinder are respectively connected with the middle part of the outer gantry and the front side of the forklift in a rotating manner; the first oil cylinder, the second oil cylinder and the third oil cylinder are all communicated with an oil way inside the forklift.
2. The adjustable forklift mast adapted to multiple working conditions according to claim 1, characterized in that: the included angle of the first oil cylinder and the outer door frame is an obtuse angle, and the included angle of the second oil cylinder and the outer door frame is an acute angle.
3. The adjustable forklift mast adapted to multiple working conditions according to claim 1, characterized in that: the supporting seat protrudes out of the front side of the forklift, the front side of the supporting seat is provided with a first C-shaped articulated piece and a second C-shaped articulated piece, rotating shafts are arranged in the first articulated piece and the second articulated piece, fixed ends of the first oil cylinder and the second oil cylinder are provided with articulated holes, and the rotating shafts penetrate through the articulated holes; the included angle of the first hinge member and the second hinge member is less than 90 degrees.
4. The adjustable forklift mast adapted to multiple working conditions according to claim 1, characterized in that: the fork type hydraulic lifting device is characterized by further comprising an inner gantry and a fork frame, wherein groove bodies are arranged in vertical supporting rods on two sides of the outer gantry, two sides of the inner gantry are arranged in the groove bodies, a fourth oil cylinder is arranged in the groove bodies, a fixed end of the fourth oil cylinder is fixedly arranged in the groove bodies, and a movable end of the fourth oil cylinder is fixedly connected with the inner gantry; the slide bar inside cavity of interior portal both sides, the inside both ends of slide bar are equipped with first fluted disc and second fluted disc respectively, are equipped with drive chain on first fluted disc and the second fluted disc, crotch and the both sides sliding connection of interior portal, and the side of slide bar is equipped with the bar hole, and the crotch passes bar hole and drive chain fixed connection.
5. The adjustable forklift mast adapted to multiple working conditions according to claim 1, characterized in that: the tail end of the movable rod of the first oil cylinder is provided with an installation block, and a first round hole is formed in the installation block; the tail end of the movable rod of the second oil cylinder is provided with a C-shaped first mounting piece, and two sides of the first mounting piece are provided with second round holes corresponding to the first round holes; the lower part of outer portal is equipped with the second installed part of C font, and the inside circular axostylus axostyle that corresponds with the second round hole that is equipped with of second installed part, first installed part setting are in the second installed part, and the installation piece sets up in first installed part, and circular axostylus axostyle wears to establish simultaneously in first round hole and the second round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289337.9A CN112875587A (en) | 2021-03-18 | 2021-03-18 | Adjustable fork truck portal of multiple operating mode of adaptation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110289337.9A CN112875587A (en) | 2021-03-18 | 2021-03-18 | Adjustable fork truck portal of multiple operating mode of adaptation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112875587A true CN112875587A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110289337.9A Pending CN112875587A (en) | 2021-03-18 | 2021-03-18 | Adjustable fork truck portal of multiple operating mode of adaptation |
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| Country | Link |
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| CN (1) | CN112875587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408810A (en) * | 2022-01-24 | 2022-04-29 | 尚匠威亚智能装备(重庆)有限公司 | Production line is with automatic quick change electric formula removal handling device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1422741A (en) * | 1972-05-10 | 1976-01-28 | Socaman Soc De Construction Da | Lift trucks |
| US4103757A (en) * | 1977-06-30 | 1978-08-01 | Mcvaugh Arthur K | Tripod aerial lift |
| RU2053191C1 (en) * | 1992-12-16 | 1996-01-27 | Виктор Иванович Пындак | Crane-manipulator |
| RU2167804C1 (en) * | 2000-02-09 | 2001-05-27 | Волгоградский энергетический колледж | Crane-manipulator |
| CN203359923U (en) * | 2013-06-08 | 2013-12-25 | 安徽威玛重型机械制造有限公司 | Hoisting frame device of forklift |
| CN103601107A (en) * | 2013-10-25 | 2014-02-26 | 青岛现代海麟重工有限公司 | Forklift with liftable driving cab |
| CN204549957U (en) * | 2015-03-27 | 2015-08-12 | 山东科技大学 | A kind of universal access fork truck |
| CN206407881U (en) * | 2017-01-25 | 2017-08-15 | 王晓丽 | Multifunction fork truck |
| CN208182558U (en) * | 2018-03-01 | 2018-12-04 | 天津市航达工程机械制造有限公司 | A kind of basis curing vertical mechanism hydraulic cylinder jacking system |
| CN214456595U (en) * | 2021-03-18 | 2021-10-22 | 上海詹知信息科技有限公司 | Adjustable fork truck portal of multiple operating mode of adaptation |
-
2021
- 2021-03-18 CN CN202110289337.9A patent/CN112875587A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1422741A (en) * | 1972-05-10 | 1976-01-28 | Socaman Soc De Construction Da | Lift trucks |
| US4103757A (en) * | 1977-06-30 | 1978-08-01 | Mcvaugh Arthur K | Tripod aerial lift |
| RU2053191C1 (en) * | 1992-12-16 | 1996-01-27 | Виктор Иванович Пындак | Crane-manipulator |
| RU2167804C1 (en) * | 2000-02-09 | 2001-05-27 | Волгоградский энергетический колледж | Crane-manipulator |
| CN203359923U (en) * | 2013-06-08 | 2013-12-25 | 安徽威玛重型机械制造有限公司 | Hoisting frame device of forklift |
| CN103601107A (en) * | 2013-10-25 | 2014-02-26 | 青岛现代海麟重工有限公司 | Forklift with liftable driving cab |
| CN204549957U (en) * | 2015-03-27 | 2015-08-12 | 山东科技大学 | A kind of universal access fork truck |
| CN206407881U (en) * | 2017-01-25 | 2017-08-15 | 王晓丽 | Multifunction fork truck |
| CN208182558U (en) * | 2018-03-01 | 2018-12-04 | 天津市航达工程机械制造有限公司 | A kind of basis curing vertical mechanism hydraulic cylinder jacking system |
| CN214456595U (en) * | 2021-03-18 | 2021-10-22 | 上海詹知信息科技有限公司 | Adjustable fork truck portal of multiple operating mode of adaptation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408810A (en) * | 2022-01-24 | 2022-04-29 | 尚匠威亚智能装备(重庆)有限公司 | Production line is with automatic quick change electric formula removal handling device |
| CN114408810B (en) * | 2022-01-24 | 2023-12-15 | 尚匠威亚智能装备(重庆)有限公司 | Automatic quick-change electric type movable carrying device for production line |
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