CN108857105A - A kind of linear elevating mechanism - Google Patents
A kind of linear elevating mechanism Download PDFInfo
- Publication number
- CN108857105A CN108857105A CN201810930160.4A CN201810930160A CN108857105A CN 108857105 A CN108857105 A CN 108857105A CN 201810930160 A CN201810930160 A CN 201810930160A CN 108857105 A CN108857105 A CN 108857105A
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- Prior art keywords
- sliding block
- connecting rod
- arm
- armed
- elevating mechanism
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of linear elevating mechanism, the mechanism includes rack, pedestal, sliding block, L-arm, connecting rod and driving device, and the L-arm includes long-armed and galianconism, and wherein one end of described long-armed wherein one end and the galianconism is in an angle of 90 degrees；One end of the rack is provided with the pedestal, the upper surface of the rack is provided with the sliding block, direction from the pedestal to the sliding block is disposed with the L-arm and the connecting rod, the equal length of the connecting rod and the galianconism, the driving device drives the sliding block in the upper surface slide of the rack, so that connecting rod, L-arm be driven to move in the same direction.The present invention can increase substantially the swing angle of elevating mechanism, in addition, input structure and export structure can effectively improve the control precision of export structure at simple linear ratio relation.
Description
Technical field
The present invention relates to elevating mechanism technical fields, and in particular to a kind of linear elevating mechanism.
Background technique
In laser pipe cutter, the both ends of tubing are clamped on laser cutting machine, and since tubing is longer, the middle part of tubing holds
It is easily sagging because of gravity, it is therefore desirable to which that a number of supporting element is set in the lower section of tubing, but tubing is in laser
Rotating state is in cutting machine, when tubing to be cut is the non-circular tubing such as square tube, rectangular tube, the support of tubing
Structure needs to carry out the lifting of certain amplitude, and tubing to be cut can just be made to remain horizontal.
The relevant research of research staff's active development, as CN206677410U discloses a kind of material drag hunting gear, including
Rack, roller, support link, the material drag hunting gear pass through servo-actuated driving by being supported using support link to workpiece
Motor control wedge shape briquetting adjusts the swing angle of support link, so that control is placed in the working height of the workpiece of cylinder surface.
CN207119850U discloses a kind of workpiece hunting gear, including Pipe Cutting lathe bed, support construction group, support guide combined support silk
Bar group, the workpiece hunting gear expand the use scope of workpiece support, are expanded to all symmetry tubes by square tube and round tube.
By the retrieval and reading to Patents documents, sums up and be primarily present following problems in the prior art：
1, the swing angle of elevating mechanism is small, low to the controllable degree of workpiece to be processed.
2, the kind of drive of elevating mechanism is more complicated, is unfavorable for the lifting of high-precision control workpiece.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of linear elevating mechanisms, are risen by changing
The kind of drive of descending mechanism, provides that a kind of heave amplitude is big, structure is simple, workpiece liter of the input with output at simple linear relationship
Descending mechanism.
For achieving the above object, the technical solution adopted by the present invention is as follows：
A kind of linear elevating mechanism, which is characterized in that the mechanism include rack, pedestal, sliding block, L-arm, connecting rod and
Driving device, the L-arm include long-armed and galianconism, and described long-armed and described galianconism intersection is right angle end；The rack
One end is provided with the pedestal, and the upper surface of the rack is provided with the sliding block, from the pedestal to the direction of the sliding block
It is disposed with the L-arm and the connecting rod, the right angle end of the pedestal and the L-arm is hinged, and the galianconism is separate
The one end at right angle end and wherein one end of the connecting rod are hinged, and the other end of the connecting rod and the sliding block are hinged, institute
State the equal length of connecting rod Yu the galianconism, the driving device drives the sliding block in the upper surface slide of the rack,
To drive connecting rod, L-arm to move in the same direction.
It is arranged in this way, provides that a kind of heave amplitude is big, input is in the transmission mechanism of simple linear relationship with output,
Input unit of the sliding block as elevating mechanism, output device of the L-arm as elevating mechanism, by sliding block in rack
On do opposite sliding to drive L-arm to swing up and down in perpendicular, to reach lifting effect.In work piece cut device
In, the present invention can be used as the lifting device of workpiece, because output end swing angle of the invention is big, be adapted to more not similar shapes
The workpieces processing of shape and size, meets production requirement；In addition, the present invention by the improvement to mechanism structure, makes input terminal and defeated
Outlet effectively improves the positioning accuracy of workpiece at simple linear relationship.
When the sliding block does opposite sliding on the rack, sliding block drives the connecting rod hinged with sliding block to transport in the same direction
It is dynamic, to drive the galianconism of the L-arm hinged with connecting rod to move in the same direction, because of long-armed and galianconism junction and institute
State pedestal be it is hinged, so the long-armed circular motion that can be done using pedestal as the center of circle, a kind of mode according to the present invention, L-arm is most
Big rotational angle is 90 degree, and the maximum heave amplitude of elevating mechanism is equal to the long-armed length.
Preferably, the one end at the long-armed separate right angle end is provided with executive item.
When the present invention is applied to the support construction in work piece cut device, which can be set to the rolling of support workpiece
Cylinder, pallet etc.；The present invention be applied to other production purposes when, which may also be configured to other structures, as suspension hook, hanging ring,
Scraper bowl etc..
Preferably, the executive item is set as roller frame or concave wheel structure or two rollers are in determine angle connection
V-shaped structure.
It is arranged in this way, the roller frame, the concave wheel structure and the V-shaped structure are used to support pipe cutting to be cut
Material, when executive item is the roller frame, tubing to be cut is placed in the upper surface of the roller frame；When executive item is institute
When stating concave wheel structure, tubing to be cut is placed in the recess of the concave wheel；When executive item is the V-shaped structure, band is cut
Pipe cutting material is placed in the angle of the V-shaped structure.
Preferably, being provided with the guide rail being of a straight line type on the length direction of the rack upper surface, the sliding block is in institute
It states and does opposite sliding on guide rail.
The difference in height that the distance and L-arm that sliding block moves in a straight line on the rack in the present invention do vertical oscillation is simple
Linear relationship ensure that the straight-line trajectory of sliding block, improve the essence that sliding block moves in a straight line by being provided with linear guide
Degree, the i.e. kinematic accuracy of input mechanism, to guarantee the lifting precision of output mechanism, in addition guide rail can also reduce sliding block and machine
Frictional force between frame upper surface extends the service life of equipment.
Preferably, the driving device includes driving motor and drive lead screw, the driving motor drives the transmission
Screw rod rotation, the sliding block are provided with internal screw thread, and the drive lead screw passes through the internal screw thread of the sliding block and drives the sliding block
It is moved in a straight line on the guide rail.
It is arranged in this way, provides a kind of driving method of sliding block.
Preferably, the sliding block and the L-arm are moved in same plane.
It is arranged in this way, the usable floor area of rack upper surface can be reduced, keeps the overall structure of mechanism more compact.
Preferably, the sliding block, which does the perpendicular where opposite sliding, swings the vertical of place with the L-arm
Plane is parallel to each other, and makes the connecting rod by the sliding of the sliding block and the galianconism is in arbitrarily to press from both sides within 180 degree or 180 degree
Angle.
By moving sliding block and L-arm in the same plane, sliding block is set to slide into the same side of pedestal, i.e.,
The position that connecting rod and galianconism are overlapped, the angle of connecting rod and galianconism is 0 degree at this time, L-arm it is long-armed parallel to the ground, pass through
In this way, increasing the amplitude range of L-arm swing.
Long-armed retractable structure is set as preferably, described.
By changing long-armed length, the swingable altitude range of L-arm is increased, L-arm can be supported more not
With the workpiece of size, make the present invention that there is bigger adaptability；In addition, can directly be adjusted linearly by changing long-armed length
The value of constant k.
Preferably, it is described long-armed by an at least section inner tube and a section outer tube is scalable is socketed to form, the one of said inner tube
End cap is connected to one end of the outer tube, and the other end is provided with the executive item, and the outer tube is arranged far from one end of said inner tube
There is the galianconism.
Preferably, said inner tube outer wall is provided with graduation mark.
It is arranged in this way, when described long-armed not flexible, the junction of inner and outer tubes is shown as 0 graduation mark, long-armed drawing
The graduation mark of positive value is shown as when stretching, in inner tube；The graduation mark of negative value is shown as when long-armed shortening, in inner tube.It is long-armed stretching and
When shortening, the distance of long-armed stretching and shortening can be quickly reflected by the graduation mark in inner tube.
Compared with the existing technology, the present invention achieves beneficial technical effect：
1, elevating mechanism swing angle increases considerably, can be greatly according to the shape and size of workpiece to be processed
Carry out lift adjustment.
2, input structure and export structure can effectively improve the control essence of export structure at simple linear ratio relation
Degree meets the techniques such as laser cutting to the high accuracy positioning demand of workpiece.
Detailed description of the invention
Fig. 1 is the front view of the embodiment of the present invention one；
Fig. 2 is the top view of the embodiment of the present invention one；
Fig. 3 is the structure simplification figure of the embodiment of the present invention one；
Fig. 4 is the top view of the embodiment of the present invention two；
Fig. 5 is the top view of the embodiment of the present invention three；
Fig. 6 is cross-sectional view long-armed in the embodiment of the present invention four.
Wherein, the technical characteristic that each appended drawing reference is referred to is as follows：1, rack；2, sliding block；3, connecting rod；4, pedestal；5,
Drive lead screw；6, L-arm；7, driving motor；8, roller；9, inner tube；10, outer tube.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments to the present invention
It is further elaborated, but the scope of protection of present invention is not limited to following specific embodiments.
Embodiment one
As depicted in figs. 1 and 2, present embodiment discloses a kind of linear elevating mechanism, including rack 1, sliding block 2, pedestal 4,
A straight slot rails are arranged in connecting rod 3, L-arm 6 and driving device, the upper surface of rack 1 from left to right, sliding block 2
Lower surface is provided with the protrusion with guide rail cooperation, and sliding block 2 can move in a straight line on guide rail.
The right end of 1 upper surface of rack is additionally provided with a pedestal 4, and pedestal 4 is fixed on the forward side of guide rail；Sliding block 2
Connecting rod 3 and L-arm 6 are additionally provided between pedestal 4, sliding block 2 and wherein one end of connecting rod 3 are hinged, L-arm 6 and connection
The other end of bar 3 is hinged, and simultaneously again and pedestal 4 is hinged, wherein L-arm 6 includes long-armed 6b and galianconism 6a, long-armed 6b to L-arm 6
Respectively there are a fixing end and connecting pin with galianconism 6a, the fixing end of long-armed 6b and the fixing end of galianconism 6a are fixed with an angle of 90 degrees, are claimed
For right angle end, the right angle end of L-arm 6 and pedestal 4 are hinged, and the connecting pin of galianconism 6a and connecting rod 3 are hinged, the connecting pin of long-armed 6b
It is provided with a roller, roller is as executive item for accepting workpiece；The length of connecting rod 3 and the equal length of galianconism 6a.
Sliding block 2 does opposite sliding by way of screw rod transmission on guide rail, and driving device includes driving motor 7 and transmission
Screw rod 5, is provided with a drive lead screw 5 along rail length direction, and sliding block 2 is internally provided with through 2 left and right sides of sliding block
Nut, the right end of drive lead screw 5 passes through nut and is cooperatively connected with it, and the left end of drive lead screw 5 is connect with driving motor 7,
Driving motor 7 can drive drive lead screw 5 to rotate, and drive lead screw 5 drives sliding to do opposite sliding along guide rail.
It is arranged in this way, the sliding block 2 in the present embodiment moves in a straight line on the wherein side of pedestal 4, passes through
Driving sliding block moves in a straight line on the rack, minimum 0 degree of the angle between connecting rod 3 and galianconism 6a, is up to 180 degree.
As shown in figure 3, the length of connecting rod 3 is a, the length of galianconism 6a is b, and the length of long-armed 6b is c, wherein a=b,
The fixing end of galianconism 6a and the fixing end of long-armed 6b are 90 degree of angles；When it is 2L that sliding block, which is moved to the left distance, connecting rod 3 is projected
Right angle edge lengths on 1 surface of rack are L, and the difference in height that long-armed 6b is swung up is that H2 can be obtained according to similar triangle theory
H2=k*L, wherein k=c/a, i.e. sliding block 2 do the displacement unidirectionally to move along a straight line when being L, and the difference in height that long-armed 6b is swung up and down is
(c/a) * L therefore deduces that, sliding block 2 moves horizontally vertical difference in height that distance is swung with long-armed 6b at simple linear
Relationship, linear constant depend on the lenth ratio of long-armed 6b and connecting rod 3.
Embodiment two
As shown in figure 4, present embodiment discloses a kind of linear elevating mechanisms, including rack as preferred embodiment
1, a straight slot is arranged in sliding block 2, pedestal 4, connecting rod 3, L-arm 6 and driving device, the upper surface of rack 1 from left to right
The right end of type guide rail, guide rail is concordant with the left end of pedestal 4, and the lower surface of sliding block 2 is provided with the protrusion with guide rail cooperation, sliding block
2 can move in a straight line on guide rail；The right end of 1 upper surface of rack is further fixed on structure snd size and distinguishes identical two bottoms
Seat 4, two pedestals 4 are individually fixed in front and rear sides of guide rail and symmetrical about guide rail, and the spacing of two pedestals 4, which is less than, to be slided
The width in the front-back direction of block 2.
The present embodiment includes the identical L-arm 6 of two size and shape, and L-arm 6 includes long-armed 6b and galianconism 6a,
The length of galianconism 6a and the equal length of connecting rod 3, long-armed 6b and galianconism 6a respectively have a fixing end and connecting pin, long-armed 6b's
Fixing end is fixedly connected with the fixing end of galianconism 6a with an angle of 90 degrees, referred to as right angle end, is provided with several between two long-armed 6b
Reinforcing rib.
There are two the identical connecting rod 3 of structure snd size and two structure snd size for setting between sliding block 2 and two pedestals 4
Wherein one end of identical L-arm 6, two connecting rods 3 is hinged with the front and rear sides of sliding block 2 respectively, and two connecting rods 3 are in addition
One end is hinged with the connecting pin of two galianconism 6a respectively, and the right angle end of two L-arms 6 is hinged with the outside of two pedestals 4 respectively,
A rotatingcylindrical drum is clamped between the connecting pin of two long-armed 6b, roller is as executive item for accepting workpiece.
Sliding block 2 does opposite sliding by way of screw rod transmission on guide rail, and driving device includes driving motor 7 and transmission
Screw rod 5, is provided with a drive lead screw 5 along rail length direction, and sliding block 2 is internally provided with through 2 left and right sides of sliding block
Nut, the right end of drive lead screw 5 passes through nut and is cooperatively connected with it, and the left end of drive lead screw 5 is connect with driving motor 7,
Driving motor 7 can drive drive lead screw 5 to rotate, and drive lead screw 5 drives sliding to do opposite sliding along guide rail.
By being symmetrical arranged all parts in the two sides of sliding block 2, do sliding block 2 on the guide rail between two pedestals 4
It moves along a straight line, elevating mechanism provided by embodiment two more balances in overall structure, and operation is also more stable, improves liter
The control precision of descending mechanism；By making the spacing of two pedestals, 4 front and back be less than the width of 2 front and back of sliding block, make the whole knot of rack 1
Structure is more compact, but sliding block 2 can only slide on the guide rail of 4 left end of pedestal, and the hunting range of L-arm 5 is no more than 90 degree.
Embodiment three
As shown in figure 5, mode more preferably, the present embodiment only describes the place different from embodiment two.This implementation
The spacing of two pedestals 4 of example is greater than the width in the front-back direction of sliding block 2；The guide rail of 1 upper surface of rack extends to the most right of rack 1
End, sliding block 2 is slidably to the right end position of rack 1.
It is arranged in this way, the sliding block 2 in the present embodiment can do opposite sliding between two pedestals 4, when sliding block 2 is sliding
When moving galianconism 6a and the coincidence of connecting rod 3, long-armed 6b is parallel to the ground, and 5 swing angle maximum of L-arm is 90 degree reachable.
Example IV
As shown in fig. 6, the present embodiment only describes place unlike those described above as preferred embodiment.The present embodiment
In the long-armed of L-arm be set as retractable structure, it is described long-armed by an at least section inner tube 9 and the scalable socket of a section outer tube 10
It forms, one end outer round surface that said inner tube 9 is socketed outer tube 10 is provided with 9 protrusion of linear inner tube along inner tube 9 is axially projecting, separately
One end is provided with roller 8, and it is sliding that the outer tube 10 matched with 9 protrusion of said inner tube is highlightedly provided with outside the inner wall of the outer tube 10
Slot, the outer tube 10 are fixedly connected with galianconism far from one end of inner tube 9.
Specifically, 9 outer wall of said inner tube is provided with graduation mark, when long-armed not flexible, the junction of inner tube 9 and outer tube 10
It is shown as 0 graduation mark, when long-armed stretching, the graduation mark of positive value is shown as in inner tube 9；When long-armed shortening, display is negative in inner tube 9
The graduation mark of value.When long-armed stretching and shortening, telescopic long-armed drawing can quickly be reflected by the graduation mark in inner tube 9
The distance stretched and shortened.
10 sliding slot of outer tube is provided in outer tube 10, the shape of 10 sliding slot of outer tube and 9 shape for lugs of inner tube of inner tube 9 are consistent, when
Inner tube 9 rotates to 9 protrusion of inner tube and 10 sliding slot of outer tube in same position, long-armed to stretch；When 9 protrusion of inner tube deviates
10 sliding slot of outer tube, inner tube 9 rotate to 9 protrusion of inner tube and 10 sliding slot of outer tube not in the same vertical position when, due in outer tube 10
Portion is provided with one layer of material with certain elasticity and frictional force, and the protrusion of inner tube 9 can squeeze 10 inner wall of outer tube, inner tube 9 and outer
Frictional force between pipe 10 increases, and can lock to a certain degree telescopic long-armed, plays fixed function.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not constitute any restrictions to invention.
Claims (9)
1. a kind of linear elevating mechanism, which is characterized in that the mechanism includes rack, pedestal, sliding block, L-arm, connecting rod and drive
Dynamic device, the L-arm includes long-armed and galianconism, and described long-armed and described galianconism intersection is right angle end；The one of the rack
End be provided with the pedestal, the upper surface of the rack is provided with the sliding block, from the pedestal to the direction of the sliding block according to
Secondary to be provided with the L-arm and the connecting rod, the right angle end of the pedestal and the L-arm is hinged, and the galianconism is far from straight
The one end at angle end and wherein one end of the connecting rod are hinged, and the other end of the connecting rod and the sliding block are hinged, described
The equal length of connecting rod and the galianconism, the driving device drive the sliding block in the upper surface slide of the rack, from
And connecting rod, L-arm is driven to move in the same direction.
2. a kind of a kind of linear elevating mechanism according to claim 1, which is characterized in that the long-armed separate right angle end
One end is provided with executive item.
3. a kind of a kind of linear elevating mechanism according to claim 2, which is characterized in that the executive item is set as roller
Structure or concave wheel structure or two rollers are in the V-shaped structure for determining angle connection.
4. a kind of a kind of linear elevating mechanism according to any one of claims 1 to 3, which is characterized in that the rack
Upper surface length direction on be provided with the guide rail being of a straight line type, the sliding block does opposite sliding on the guide rail.
5. a kind of a kind of linear elevating mechanism according to claim 4, which is characterized in that the driving device includes driving
Motor and drive lead screw, the driving motor drive the drive lead screw rotation, and the sliding block is provided with internal screw thread, the transmission
Screw rod passes through the internal screw thread of the sliding block and the sliding block is driven to move in a straight line on the guide rail.
6. a kind of a kind of linear elevating mechanism according to any one of claims 1 to 3, which is characterized in that the sliding block
Perpendicular where doing opposite sliding is parallel with the perpendicular where the L-arm is swung, and passes through the cunning of the sliding block
It is dynamic to make the connecting rod and the galianconism in any angle within 180 degree.
7. a kind of a kind of linear elevating mechanism according to claim 2 or 3, which is characterized in that described long-armed be set as can
Stretching structure.
8. a kind of a kind of linear elevating mechanism according to claim 7, which is characterized in that described long-armed by an at least section
A pipe and section outer tube is scalable is socketed to form, one end of said inner tube is socketed on one end of the outer tube, and the other end is arranged
Executive item is stated, the outer tube is provided with the galianconism far from one end of said inner tube.
9. a kind of a kind of linear elevating mechanism according to claim 8, which is characterized in that said inner tube outer wall is provided with quarter
Spend line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930160.4A CN108857105A (en) | 2018-08-15 | 2018-08-15 | A kind of linear elevating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930160.4A CN108857105A (en) | 2018-08-15 | 2018-08-15 | A kind of linear elevating mechanism |
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| Publication Number | Publication Date |
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| CN108857105A true CN108857105A (en) | 2018-11-23 |
Family
ID=64318837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810930160.4A Pending CN108857105A (en) | 2018-08-15 | 2018-08-15 | A kind of linear elevating mechanism |
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| Country | Link |
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| CN (1) | CN108857105A (en) |
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| CN109624366A (en) * | 2018-11-27 | 2019-04-16 | 襄阳风神物流有限公司 | A kind of automatic aerator elevating mechanism |
| CN109848572A (en) * | 2019-03-07 | 2019-06-07 | 浙江云景精密设备有限公司 | A kind of Medical bracket laser marking machine |
| CN112374143A (en) * | 2020-11-25 | 2021-02-19 | 叶温柔 | Cleaning and loading mechanism for solar panel |
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| CN112374143B (en) * | 2020-11-25 | 2022-08-09 | 山西晋通送变电有限公司 | Cleaning and loading mechanism for solar panel |
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