CN113510602B - Artificial marble stand surface finish machine - Google Patents
Artificial marble stand surface finish machine Download PDFInfo
- Publication number
- CN113510602B CN113510602B CN202111072025.9A CN202111072025A CN113510602B CN 113510602 B CN113510602 B CN 113510602B CN 202111072025 A CN202111072025 A CN 202111072025A CN 113510602 B CN113510602 B CN 113510602B
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- semi
- ring
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- crawling
- polishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transplanting Machines (AREA)
Abstract
The invention discloses an artificial marble upright post surface polishing machine which comprises two semi-ring crawling machines which are connected and installed, wherein the inner cambered surface of each semi-ring crawling machine body is provided with an installation groove, a semi-ring polishing machine body is installed in each installation groove, and the outer cambered surfaces of the two semi-ring crawling machines are respectively provided with a battery pack and a controller. Carry out automatic even cycle polishing to marble stand surface through encircling formula helical movement, increase the effect of polishing, and need not artifical planning, reduce the labour, carry out the dismouting through components of a whole that can function independently assembled, it is more convenient to use, realizes locking fast through intercommunication formula self-locking structure, increases the fastness of assembly and the security when using.
Description
Technical Field
The invention relates to the technical field of stone polishing treatment, in particular to a machine for polishing the surface of an artificial marble upright column.
Background
The existing marble polishing machine is usually a plane rotation friction polishing mode, namely, a polishing surface is attached to a marble surface in a large area, a marble upright post is a curved surface, the plane polishing effect is poor, the existing polishing machine needs manual planning to guide a polishing path or an area, when the marble upright post is polished, the existing polishing machine is easy to deviate from a planning position, the polishing is uneven, and the danger is large when the upright post works at a high position.
Disclosure of Invention
The invention aims to solve the problems of poor plane polishing effect, manual planning and guiding, uneven polishing and high risk in the prior art, and provides an artificial marble upright post surface polishing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the artificial marble upright post surface polishing machine comprises two semi-ring crawling machines which are connected and installed, wherein the inner cambered surface of each semi-ring crawling machine body is provided with an installation groove, a semi-ring polishing machine body is installed in each installation groove, and the outer cambered surfaces of the two semi-ring crawling machines are respectively provided with a battery pack and a controller;
each semi-ring crawling machine body is symmetrically provided with two arc-shaped locking holes, an arc-shaped locking plate is inserted into each arc-shaped locking hole in a sliding mode, the outer wall of each semi-ring crawling machine body is symmetrically provided with two arc-shaped sliding openings, each arc-shaped locking plate is provided with an arc-shaped locking plate, and the upper end of each arc-shaped locking plate penetrates through each arc-shaped sliding opening and extends to the outer side of the semi-ring crawling machine body;
a plurality of outer rotor crawling wheels are symmetrically embedded in the inner arc wall of each semi-ring crawling machine body in an arc shape at equal intervals, each outer rotor crawling wheel is obliquely embedded in the inner arc wall of the semi-ring crawling machine body, and the wheel surface of each outer rotor crawling wheel protrudes and extends to the outer side of the inner arc of the semi-ring crawling machine body;
each semi-ring polishing machine body is provided with strong magnetic sheets on two end faces, and the opposite faces of the strong magnetic sheets on the two semi-ring polishing machine bodies are opposite in polarity.
Furthermore, every two terminal surfaces of semi-ring crawl organism are equipped with a plurality of electric power respectively and insert post and a plurality of electric power jack, and is a plurality of electric power inserts the post and sets up with a plurality of electric power jack symmetries, every the length that electric power inserted the post all equals the degree of depth of the electric power jack that corresponds, every the diameter that electric power inserted the post all equals the diameter of the electric power jack that corresponds, post and a plurality of electric power jack are inserted to a plurality of electric power of battery package and controller difference electric connection.
Furthermore, every a plurality of connecting holes have all been seted up on the semi-ring polishing organism, every equal symmetry installs two fixed base in the connecting hole, every all install electric power spring on the fixed base, every the one end that fixed base was kept away from to electric power spring all installs the round end conducting rod, every the one end that fixed base was kept away from to the round end conducting rod all extends to in the connecting hole, every the round end conducting rod all slides and inserts and establish in the connecting hole, every a plurality of electrically conductive holes have all been seted up to the symmetry on the cell wall of mounting groove, and is a plurality of the round end conducting rod is inserted respectively and is established in a plurality of electrically conductive holes.
Furthermore, a plurality of polishing grooves are formed in the inner arc wall of each semi-ring polishing machine body at equal intervals, two extrusion grooves are symmetrically formed in the inner wall of each polishing groove, an extrusion shaft is installed between the two extrusion grooves in a sliding mode, an outer rotor polishing wheel is installed on each extrusion shaft, the wheel face of each outer rotor polishing wheel protrudes from the polishing grooves and extends to the outer side of the inner arc of the semi-ring polishing machine body, and the protruding distance of each outer rotor polishing wheel is larger than that of the corresponding outer rotor crawling wheel.
Further, every equal slidable mounting has arc extrusion piece in the extrusion groove, every the cambered surface of arc extrusion piece is all tightly supported the extrusion axle, every one side fixed mounting that arc extrusion piece kept away from the extrusion axle has extrusion spring, every the one end that arc extrusion piece was kept away from to extrusion spring all fixes on the cell wall in extrusion groove.
Has the advantages that: carry out automatic even cycle polishing to marble stand surface through encircling formula helical movement, increase the effect of polishing, and need not artifical planning, reduce the labour, carry out the dismouting through components of a whole that can function independently assembled, it is more convenient to use, realizes locking fast through intercommunication formula self-locking structure, increases the fastness of assembly and the security when using.
Drawings
Fig. 1 is a schematic structural view of an artificial marble pillar surface polishing machine according to the present invention;
fig. 2 is an enlarged view of a part of a semi-ring crawling body and a semi-ring polishing body of the artificial marble upright surface polishing machine according to the present invention;
FIG. 3 is an enlarged view of a part of a semi-ring crawling body of the artificial marble upright surface polishing machine according to the present invention;
FIG. 4 is an enlarged view of a half-ring polishing body part of the surface polishing machine for an artificial marble pillar according to the present invention;
FIG. 5 is a partially cut-away schematic view of a half-ring polishing machine body of an artificial marble pillar surface polishing machine according to the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5.
In the figure: 1 semi-ring crawl organism, 11 mounting grooves, 12 electrically conductive holes, 13 arc lockholes, 14 arc sliding mouths, 15 electric power inserted columns, 16 electric power jack, 2 semi-ring polishing organism, 21 strong magnet, 22 polishing groove, 23 extrusion groove, 24 connecting holes, 3 battery packs, 4 controllers, 5 arc locking plates, 51 arc locking plates, 6 extrusion shafts, 61 outer rotor polishing wheels, 7 arc extrusion blocks, 71 extrusion springs, 8 fixed bases, 81 electric power springs, 82 round end conducting rods, 9 outer rotor crawl wheels.
Detailed Description
Referring to fig. 1 and 3, the artificial marble upright post surface polishing machine comprises two semi-ring crawling bodies 1 which are connected and installed, wherein an installation groove 11 is formed in the inner arc surface of each semi-ring crawling body 1, a semi-ring polishing body 2 is installed in each installation groove 11, and a battery pack 3 and a controller 4 are respectively installed on the outer arc surfaces of the two semi-ring crawling bodies 1;
two semi-ring crawl organism 1 connect and be used for embracing marble stand surface, crawl about the realization, can reciprocate on marble stand surface automatically promptly and polish, the difficult problem of curved surface polishing has been solved, and can be at the automatic polishing of higher department, solve the problem of artifical high risk operation, and can at the uniform velocity cyclic polishing, it is more even, two semi-ring polishing organisms 2 encircle on marble stand surface through magnetic force, 1 reciprocates along with semi-ring crawl organism and polish the marble surface, and semi-ring crawl organism 1 and semi-ring polishing organism 2 are through split type assembly aggregate erection, increase the convenience of use.
Referring to fig. 1 and 2, each semi-ring crawling machine body 1 is symmetrically provided with two arc-shaped locking holes 13, an arc-shaped locking plate 5 is slidably inserted into each arc-shaped locking hole 13, the outer wall of each semi-ring crawling machine body 1 is symmetrically provided with two arc-shaped sliding openings 14, each arc-shaped locking plate 5 is provided with an arc-shaped locking plate 51, and the upper end of each arc-shaped locking plate 51 penetrates through the arc-shaped sliding openings 14 and extends to the outer side of the semi-ring crawling machine body 1;
after the two semi-ring crawling machines 1 are connected, two ends of the arc-shaped locking holes 13 on the two semi-ring crawling machines 1 are aligned and connected, one of the arc-shaped locking plates 51 is pushed to enable the corresponding arc-shaped locking plate 5 to slide in the arc-shaped locking hole 13, one end of the arc-shaped locking plate 5 enters the arc-shaped locking hole 13 in the other semi-ring crawling machine 1 which is aligned and connected from the arc-shaped locking hole 13 of the positioned semi-ring crawling machine 1, so that the two semi-ring crawling machines 1 are mutually locked through the arc-shaped locking plate 5 and the arc-shaped locking hole 13, when the arc-shaped locking plate 5 in one of the semi-ring crawling machines 1 is pushed to move, the arc-shaped locking plate 5 in the other semi-ring crawling machine 1 is pushed to move, namely when one of the arc-shaped locking plates 51 is pushed on one side, the two arc-shaped locking plates 5 can simultaneously slide in the arc-shaped locking holes 13 and are inserted into the opposite arc-shaped locking holes 31 to form interlocking, the interlocking operation is simplified, and the two arc-shaped locking plates 5 can be reversely moved out of the opposite arc-shaped locking holes 31 by reversely pushing the arc-shaped locking plates 51, so that the locking operation and the unlocking operation between the two semi-ring crawling machines 1 are simpler;
two semi-ring crawl organism 1 interlocking after for two semi-ring polish organism 2 between the organism 1 are fixed to two semi-ring crawl, can make two semi-ring polish organism 2 assemble more firm promptly, increase the security of during operation.
Referring to fig. 2 and 3, a plurality of power plugs 15 and a plurality of power jacks 16 are respectively disposed on two end surfaces of each semi-ring crawler body 1, the plurality of power plugs 15 and the plurality of power jacks 16 are symmetrically disposed, the length of each power plug 15 is equal to the depth of the corresponding power jack 16, the diameter of each power plug 15 is equal to the diameter of the corresponding power jack 16, and the battery pack 3 and the controller 4 are respectively electrically connected to the plurality of power plugs 15 and the plurality of power jacks 16;
the plurality of electric power inserting columns 15 of one semi-ring crawling machine body 1 are inserted into the electric power inserting holes 16 of the other semi-ring crawling machine body 1 to be connected, so that electric power conduction can be realized, and the connection stability of the two semi-ring crawling machine bodies 1 can be improved.
Referring to fig. 2 and 3, a plurality of outer rotor crawling wheels 9 are symmetrically embedded in the inner arc wall of each semi-ring crawling machine body 1 in an arc shape at equal intervals, each outer rotor crawling wheel 9 is obliquely embedded in the inner arc wall of the semi-ring crawling machine body 1, and the wheel surface of each outer rotor crawling wheel 9 protrudes and extends to the outer side of the inner arc of the semi-ring crawling machine body 1;
when a plurality of external rotor crawl wheels 9 rotate, it all provides thrust at marble stand surperficial horizontal direction and vertical direction, then the external rotor crawl wheel 9 of slope when rotating, also carries out the horizontal rotation when can making two semi-ring crawl organism 1 upwards remove, realizes promptly that the spiral at the uniform velocity reciprocates, makes two semi-ring polishing organism 2 at the uniform velocity spiral reciprocate, then can make two semi-ring polishing organism 2 uniformly with marble stand surface finish, avoid appearing omitting.
Referring to fig. 5 and 6, each half-ring polishing machine body 2 is provided with a plurality of connecting holes 24, two fixing bases 8 are symmetrically installed in each connecting hole 24, each fixing base 8 is provided with a power spring 81, one end of each power spring 81, which is far away from the fixing base 8, is provided with a round end conducting rod 82, one end of each round end conducting rod 82, which is far away from the fixing base 8, extends into the connecting hole 24, each round end conducting rod 82 is slidably inserted into the connecting hole 24, the groove wall of each mounting groove 11 is symmetrically provided with a plurality of conducting holes 12, and the round end conducting rods 82 are respectively inserted into the conducting holes 12;
insert semi-ring polishing organism 2 in semi-ring crawling organism 1's mounting groove 11, round end conducting rod 82 slides under the extrusion of mounting groove 11 cell wall and gets into in connecting hole 24, electric power spring 81 compresses this moment, when a plurality of connecting holes 24 are corresponding with a plurality of conducting holes 12, round end conducting rod 82 loses the extrusion force, then electric power spring 81 kick-backs and pushes away the upper end of round end conducting rod 82 in conducting hole 12, make the electric power of semi-ring crawling organism 1 can conduct to semi-ring polishing organism 2 in, realize the conduction of electric power.
Referring to fig. 5 and 6, a plurality of polishing grooves 22 are equally spaced on the inner arc wall of each semi-ring polishing machine body 2, two extrusion grooves 23 are symmetrically formed on the inner wall of each polishing groove 22, an extrusion shaft 6 is jointly slidably mounted between the two extrusion grooves 23, an outer rotor polishing wheel 61 is mounted on each extrusion shaft 6, the wheel surface of each outer rotor polishing wheel 61 protrudes from the polishing groove 22 and extends to the outer side of the inner arc of the semi-ring polishing machine body 2, and the protruding distance of each outer rotor polishing wheel 61 is greater than that of the corresponding outer rotor crawling wheel 9;
a plurality of external rotor polishing wheels 61 rotate and can polish marble stand surface, along with the helical motion of semi-ring polishing organism 2 for a plurality of external rotor polishing wheels 61 can be evenly with marble stand surface finish, and external rotor polishing wheels 61 is more outstanding than external rotor crawling wheel 9, can increase the pressure between external rotor polishing wheels 61 and the marble stand surface, increases the intensity of polishing.
Referring to fig. 5 and 6, arc-shaped extrusion blocks 7 are slidably mounted in each extrusion groove 23, the arc surface of each arc-shaped extrusion block 7 tightly abuts against the extrusion shaft 6, an extrusion spring 71 is fixedly mounted on one side of each arc-shaped extrusion block 7 far away from the extrusion shaft 6, and one end of each extrusion spring 71 far away from the arc-shaped extrusion block 7 is fixed on the groove wall of the extrusion groove 23;
when the outer rotor polishing wheel 61 tightly supports the surface of the marble upright, the outer rotor polishing wheel 61 pushes the extrusion shaft 6 to move under the extrusion of the marble upright, namely the outer rotor polishing wheel 61 moves in the polishing groove 22, namely the outer rotor polishing wheel 61 and the surface pressure of the marble upright can be kept to be increased, and meanwhile, the outer rotor crawling wheel 9 and the surface of the marble upright have larger extrusion force, so that crawling and slipping are avoided.
Referring to fig. 2 and 4, all inlaying on two terminal surfaces of every semi-ring polishing organism 2 and establishing and installing strong magnetic sheet 21, the opposite face polarity of strong magnetic sheet 21 on two semi-ring polishing organisms 2 is opposite, two semi-ring polishing organisms 2 adsorb through strong magnetic sheet 21 and connect, increase two semi-ring polishing organism 2's joint strength, reduce semi-ring polishing organism 2 and receive centrifugal force effect to the extrusion force of semi-ring crawling organism 1 when rotatory work for the assembly between semi-ring crawling organism 1 and the semi-ring polishing organism 2 is more firm.
Adsorb two semi-ring polishing organism 2 through strong magnet 21 and embrace the surface at the marble stand, then establish two semi-ring polishing organism 2 with two semi-ring crawling organism 1 through mounting groove 11 difference cover, then rotate the arc locking plate 51 of downside, make in arc locking plate 51 promotes arc locking plate 5 and slides and get into the arc lockhole 13 in another semi-ring crawling organism 1, and promote in this semi-ring crawling organism 1 of another arc locking plate 5 slides, realize quick interlocking, electric power plug-in post 15 is pegged graft with electric power jack 16 simultaneously, then the electric power of battery package 3 can switch on, make controller 4 start.
After the semi-ring polishing machine body 2 completely enters the installation groove 11, the round end conducting rod 82 is pushed into the conducting hole 12 under the action of the power spring 81, so that the power of the battery pack 3 can be output to the outer rotor polishing wheel 61 after being controlled by the controller 4, meanwhile, the controller 4 controls the outer rotor crawling wheel 9, when polishing is started, the controller 4 controls the outer rotor polishing wheel 61 to continuously rotate and rub and polish the surface of the marble upright post, the controller 4 controls the outer rotor crawling wheel 9 to slowly rotate at a constant speed, so that the two semi-ring crawling machine bodies 1 are rotated and move upwards at a constant speed, the two semi-ring polishing machine bodies 2 are driven to rotate and move upwards at a constant speed, and uniform polishing is realized.
Claims (2)
1. The artificial marble upright post surface polishing machine comprises two semi-ring crawling organisms (1) which are connected and installed, and is characterized in that an installation groove (11) is formed in the inner arc surface of each semi-ring crawling organism (1), a semi-ring polishing organism (2) is installed in each installation groove (11), and a battery pack (3) and a controller (4) are installed on the outer arc surfaces of the two semi-ring crawling organisms (1) respectively;
two arc-shaped locking holes (13) are symmetrically formed in each semi-ring crawling machine body (1), an arc-shaped locking plate (5) is inserted into each arc-shaped locking hole (13) in a sliding mode, two arc-shaped sliding openings (14) are symmetrically formed in the outer wall of each semi-ring crawling machine body (1), an arc-shaped locking plate (51) is mounted on each arc-shaped locking plate (5), and the upper end of each arc-shaped locking plate (51) penetrates through each arc-shaped sliding opening (14) and extends to the outer side of the semi-ring crawling machine body (1);
a plurality of outer rotor crawling wheels (9) are symmetrically embedded in the inner arc wall of each semi-ring crawling machine body (1) in an arc shape at equal intervals, each outer rotor crawling wheel (9) is obliquely embedded in the inner arc wall of each semi-ring crawling machine body (1), and the wheel surface of each outer rotor crawling wheel (9) protrudes and extends to the outer side of the inner arc of each semi-ring crawling machine body (1);
strong magnetic sheets (21) are embedded and mounted on two end faces of each semi-ring polishing machine body (2), and opposite faces of the strong magnetic sheets (21) on the two semi-ring polishing machine bodies (2) are opposite in polarity;
a plurality of power inserting columns (15) and a plurality of power inserting holes (16) are respectively arranged on two end faces of each semi-ring crawling machine body (1), the plurality of power inserting columns (15) and the plurality of power inserting holes (16) are symmetrically arranged, the length of each power inserting column (15) is equal to the depth of the corresponding power inserting hole (16), the diameter of each power inserting column (15) is equal to the diameter of the corresponding power inserting hole (16), and the battery pack (3) and the controller (4) are respectively and electrically connected with the plurality of power inserting columns (15) and the plurality of power inserting holes (16);
each semi-ring polishing machine body (2) is provided with a plurality of connecting holes (24), two fixing bases (8) are symmetrically arranged in each connecting hole (24), each fixing base (8) is provided with an electric spring (81), one end, far away from the fixing base (8), of each electric spring (81) is provided with a round end conducting rod (82), one end, far away from the fixing base (8), of each round end conducting rod (82) extends into the connecting hole (24), each round end conducting rod (82) is inserted into the connecting hole (24) in a sliding mode, the groove wall of each mounting groove (11) is symmetrically provided with a plurality of conducting holes (12), and the round end conducting rods (82) are respectively inserted into the conducting holes (12);
a plurality of polishing grooves (22) are formed in the inner arc wall of each semi-ring polishing machine body (2) at equal intervals, two extrusion grooves (23) are symmetrically formed in the inner wall of each polishing groove (22), an extrusion shaft (6) is installed between the two extrusion grooves (23) in a sliding mode, an outer rotor polishing wheel (61) is installed on each extrusion shaft (6), the wheel surface of each outer rotor polishing wheel (61) protrudes from the polishing grooves (22) and extends to the outer side of the inner arc of each semi-ring polishing machine body (2), and the protruding distance of each outer rotor polishing wheel (61) is larger than the protruding distance of the corresponding outer rotor crawling wheel (9).
2. The machine for polishing the surface of the upright post of artificial marble as claimed in claim 1, wherein each of the pressing grooves (23) is slidably provided with an arc-shaped pressing block (7), the arc surface of each of the arc-shaped pressing blocks (7) tightly abuts against the pressing shaft (6), one side of each of the arc-shaped pressing blocks (7) far away from the pressing shaft (6) is fixedly provided with a pressing spring (71), and one end of each of the pressing springs (71) far away from the arc-shaped pressing block (7) is fixed on the groove wall of the pressing groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072025.9A CN113510602B (en) | 2021-09-14 | 2021-09-14 | Artificial marble stand surface finish machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072025.9A CN113510602B (en) | 2021-09-14 | 2021-09-14 | Artificial marble stand surface finish machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113510602A CN113510602A (en) | 2021-10-19 |
| CN113510602B true CN113510602B (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111072025.9A Active CN113510602B (en) | 2021-09-14 | 2021-09-14 | Artificial marble stand surface finish machine |
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| CN (1) | CN113510602B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1490744A (en) * | 1974-02-09 | 1977-11-02 | Dunlop Ltd | Tyre grinding machines |
| KR100384194B1 (en) * | 1995-03-22 | 2003-08-21 | 혼다 기켄 고교 가부시키가이샤 | Adsorption wall walking device |
| JP2000302071A (en) * | 1999-04-19 | 2000-10-31 | Jiyakusutoron Kk | Self-propelled working vehicle |
| CN207712180U (en) * | 2017-09-28 | 2018-08-10 | 陈新文 | A kind of tank body climbing robot |
| CN210139262U (en) * | 2019-06-14 | 2020-03-13 | 长安大学 | Electromagnet adsorption type steel pipe straight weld grinding equipment |
| CN110757319A (en) * | 2019-11-25 | 2020-02-07 | 沈阳工业大学 | Automatic stand paint cleaning and grinding machine with crawling function |
| CN111687734A (en) * | 2020-06-28 | 2020-09-22 | 淄博大力矿山机械有限公司 | Pipeline rust cleaning centre gripping advancing device |
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2021
- 2021-09-14 CN CN202111072025.9A patent/CN113510602B/en active Active
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