CN112554380B - Support framework of asbestos-free calcium silicate board partition wall - Google Patents
Support framework of asbestos-free calcium silicate board partition wall Download PDFInfo
- Publication number
- CN112554380B CN112554380B CN202011181546.3A CN202011181546A CN112554380B CN 112554380 B CN112554380 B CN 112554380B CN 202011181546 A CN202011181546 A CN 202011181546A CN 112554380 B CN112554380 B CN 112554380B
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- China
- Prior art keywords
- drilling head
- dust cover
- hole
- asbestos
- power shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910052918 calcium silicate Inorganic materials 0.000 title claims description 18
- 239000000378 calcium silicate Substances 0.000 title claims description 18
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 title claims description 18
- 238000005192 partition Methods 0.000 title claims description 17
- 238000005553 drilling Methods 0.000 claims abstract description 65
- 239000000428 dust Substances 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 4
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000004080 punching Methods 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Abstract
The support framework comprises an outer contour, wherein a cross beam is arranged on the outer contour, a mounting seat is movably mounted on the cross beam, a support is arranged on the mounting seat, a drilling head is arranged on the support, a dust cover is arranged on the drilling head in a sleeved mode, a transmission ring is arranged between the dust cover and the drilling head, the transmission ring is movably mounted on the dust cover, a negative pressure impeller is arranged on the transmission ring, and at least one first through hole is formed in the bottom surface of the dust cover; the drilling head is moved to the position needing to be drilled through the cross beam and the mounting seat, the drilling is started after the dust cover completely abuts against the wall surface, and the punching waste chips are prevented from falling into the supporting framework interlayer from the gap.
Description
Technical Field
The utility model belongs to calcium silicate board partition wall field, concretely relates to support skeleton of no asbestos calcium silicate board partition wall.
Background
The asbestos-free calcium silicate board is a novel inorganic building material prepared by mixing a siliceous material, a calcareous material, reinforcing fibers and an auxiliary agent according to a reasonable proportion, and carrying out copying or mould pressing and maintenance on the mixture. The calcium silicate board has the advantages of environmental protection, fire resistance, moisture resistance, scuff resistance, heat insulation, moth-eaten resistance and long service life, and is widely applied to suspended ceilings and partition walls of commercial engineering buildings, home decoration, furniture lining boards, billboard lining boards, compartment boards of ships, shed boards of warehouses, wall boards of tunnels and other indoor engineering wall boards.
BRIEF SUMMARY OF THE PRESENT DISCLOSURE
To prior art's not enough, this disclosed aim at provides a support chassis of no asbestos calcium silicate board partition wall, has solved current wall body sweeps that punches and has fallen into not good clearance in the support chassis intermediate layer of wall body.
The purpose of the disclosure can be realized by the following technical scheme:
a supporting framework of a partition wall without asbestos calcium silicate boards comprises an outer contour, wherein a first sliding groove is formed in the outer contour, two ends of a cross beam are clamped into the first sliding groove and movably mounted, a mounting seat is movably mounted on the cross beam, the cross beam penetrates through a second sliding groove of the mounting seat, and an arc-shaped platform is arranged on the mounting seat;
the arc platform is provided with a support, the support is provided with a drilling head, the drilling head is provided with a dust cover, the dust cover is sleeved on the drilling head, a transmission ring is arranged between the dust cover and the drilling head, the transmission ring is movably arranged on the dust cover, the transmission ring is provided with a negative pressure impeller, and the bottom surface of the dust cover is provided with at least one first through hole.
Furthermore, a fixing ring is arranged on the support, a second through hole is formed in the fixing ring, the power shaft penetrates through the second through hole to be movably mounted, and the power shaft is connected with the drilling head through a ball;
the power shaft is provided with a first spline groove, the drilling head is provided with a second spline groove, the transmission ring is provided with a spline, and the spline, the second spline groove and the first spline groove are distributed in sequence from top to bottom.
Furthermore, a transmission shaft is arranged at the lower end of the power shaft, a first oblique tooth surface and a cylindrical table are arranged on the transmission shaft, a spring mounting hole is formed in the cylindrical table, and a first mounting hole and a second oblique tooth surface are formed in the outer sleeve;
the cylinder platform penetrates into the cylinder platform to be movably installed, and a first spring is arranged between the bottom surface of the first installation hole and the transmission shaft.
Furthermore, a threaded hole is formed in the bottom of the first mounting hole, and the screw rod penetrates through the threaded hole to be movably mounted.
Furthermore, a first helical gear is installed at one end of the screw rod, a main power shaft is installed on the support, a second helical gear is installed on the main power shaft, and the first helical gear is meshed with the second helical gear.
Further, install at least one guide post on the dust cover, set up the second through-hole on the solid fixed ring, the guide post passes the second through-hole.
Furthermore, a first spring mounting seat is arranged on the fixing ring, a second spring mounting seat is arranged on the dust cover, and a second spring is arranged between the first spring mounting seat and the second spring mounting seat.
Furthermore, a plurality of drilling heads are arranged on the support.
Further, the specific operation steps of the device are as follows:
the first step is as follows: the drilling head is moved to a position needing drilling by sliding the cross beam in the first sliding groove and sliding the mounting seat on the cross beam, and the rotating power is transmitted to the screw rod by meshing the first helical gear and the second helical gear;
the second step: the screw rod rotates to drive the outer sleeve to move towards the side of the drilling head through the threaded hole, the outer sleeve presses the first spring to enable the transmission shaft to move towards the side of the drilling head, the transmission shaft pushes the drilling head towards the wall surface through the power shaft, the dust cover arranged on the drilling head contacts the wall surface firstly, the dust cover moves towards the side of the outer sleeve under the action of the pushing force, and the dust cover drives the transmission ring to move together at the same time;
the third step: when the dust cover is moved in place, the drilling head is contacted with a wall surface needing to be drilled, the power shaft stops axial movement, the power shaft is inserted into the second spline groove and the first spline groove according to a spline, the screw rod continues to rotate, the first spring is compressed by the pressure of the outer sleeve, when the first spring is compressed in place, the first oblique tooth surface is meshed with the second oblique tooth surface, the outer sleeve cannot axially move at the moment, the rotating torque of the screw rod is transmitted to the outer sleeve through the threaded hole, and the outer sleeve transmits the rotating torque to the power shaft through the meshing of the first oblique tooth surface and the second oblique tooth surface;
the fourth step: the power shaft transmits the rotating torque to the drilling head and the transmission ring through the first spline groove, the drilling head rotates to drill, the transmission ring rotates, and the negative pressure is generated through the negative pressure impeller and the first through hole to suck the drilled waste chips into the dust cover.
The beneficial effect of this disclosure:
the wall punching scraps are prevented from falling into the supporting framework interlayer of the wall.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is an overall schematic structural view of an embodiment of the present disclosure;
FIG. 2 is an enlarged partial view of an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a partial explosion of an embodiment of the disclosure;
fig. 4 is a schematic view of a partial anatomy of an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the embodiments described are only some embodiments of the present disclosure, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
As shown in fig. 1-4, a supporting framework for a partition wall made of asbestos-free calcium silicate boards comprises an outer profile 1, wherein a first chute 101 is formed in the outer profile 1, two ends of a cross beam 2 are clamped into the first chute 101 and movably mounted, a mounting seat 3 is movably mounted on the cross beam 2, the cross beam 2 penetrates through a second chute 301 of the mounting seat 3, and an arc-shaped platform 302 is arranged on the mounting seat 3;
install support 4 on the arc platform 302, be equipped with drilling head 7 on the support 4, be equipped with dust cover 9 on the drilling head 7, dust cover 9 suit is on the neck 703 of drilling head 7, is equipped with drive ring 8 between dust cover 9 and the drilling head 7, and drive ring 8 movable mounting is on dust cover 9, is equipped with negative pressure impeller 801 on the drive ring 8, and at least one first through-hole 902 has been seted up to dust cover 9 bottom surface.
In some disclosures, a fixing ring mounting platform 401 is arranged on the bracket 4, a fixing ring mounting hole 402 is formed in the fixing ring mounting platform 401, a fixing ring 5 is mounted in the fixing ring mounting hole 402, a second through hole 501 is formed in the fixing ring 5, the power shaft 6 is movably mounted through the second through hole 501, and a ball head 601 of the power shaft 6 is connected with a spherical hole 704 of the drilling head 7 through a ball;
a first spline groove 602 is formed in the power shaft 6, a second spline groove 704 is formed in the drilling head 7, a spline 802 is formed in the transmission ring 8, and the spline 802, the second spline groove 704 and the first spline groove 602 are distributed from top to bottom; through the design, on one hand, the drilling head 7 can be fixedly supported through ball connection, and meanwhile, the drilling head 7 and the power shaft 6 can independently move; on the other hand drives behind the face that dust cover 9 contradicted and need punch and moves back driving ring 8 and drive spline 802 card go into second spline groove 704 and first spline groove 602 in, makes the rotary torque of power shaft 6 transmit for drilling head 7 and driving ring 8 through spline 802, so can make only just begin to punch after dust cover 9 completely contradicts the wall, avoids punching the sweeps when not conflicting the wall completely because dust cover 9 flows from the gap.
In some disclosures, a transmission shaft 12 is arranged at the lower end of the power shaft 6, a first oblique tooth surface 121 and a cylindrical table 123 are arranged on the transmission shaft 12, a spring mounting hole 124 is formed in the cylindrical table 123, and a first mounting hole 141 and a second oblique tooth surface 143 are formed in the outer sleeve 14;
the cylindrical table 123 penetrates into the cylindrical table 123 to be movably mounted, and a first spring 13 is arranged between the bottom surface of the first mounting hole 141 and the transmission shaft 12; through so design, apply thrust to the wall side to outer sleeve 14 and transmit for drilling head 7 through first spring 13, after drilling head 7 completely contradicts the wall, first spring 13 atress compression makes first beveled tooth face 121 and second beveled tooth face 143 meshing, so, can utilize the elasticity of first spring 13 to make dust cover 9 and drilling head 7 and wall contact inseparabler on the one hand, on the other hand can make dust cover 9 and drilling head 7 degree insufficient to wall body pressure through the elasticity of first spring 13, first beveled tooth face 121 and second beveled tooth face 143 separation stop the transmission.
In some disclosures, the threaded hole 142 is formed at the bottom of the first mounting hole 141, and the screw rod 15 is movably mounted through the threaded hole 142, so that the position of the outer sleeve 14 can be adjusted through rotation of the screw rod 15, and the adjustment progress is more accurate.
In some disclosures, one end of the screw rod 15 is provided with a first bevel gear 16, the bracket 4 is provided with a main power shaft 18, the main power shaft 18 is provided with a second bevel gear 17, the first bevel gear 16 is meshed with the second bevel gear 17, and the other end of the main power shaft 18 is connected with a power motor 19; by such a design, the structure can be made more compact.
In some disclosures, at least one guide post 10 is installed on the dust cover 9, a second through hole 502 is formed in the fixing ring 5, and the guide post 10 penetrates through the second through hole 502, so that the dust cover 9 can be better guided to move and prevented from rotating radially.
In some disclosures, the fixing ring 5 is provided with a first spring mounting seat 503, the dust cover 9 is provided with a second spring mounting seat 901, and a second spring 11 is arranged between the first spring mounting seat 503 and the second spring mounting seat 901.
In some disclosures, a plurality of drilling heads 7 are arranged on the support 4, and through the design, two sides of the wall body can be drilled simultaneously, and holes on two sides of the wall body completely correspond.
The operation steps of this embodiment:
the first step is as follows: the drilling head 7 is moved to a position needing drilling by sliding the cross beam 2 in the first sliding chute 101 and sliding the mounting seat (3) on the cross beam (2), and the motor 19 transmits a rotating moment to the screw rod 15 by meshing the first bevel gear 16 and the second bevel gear 17;
the second step: the rotation of the screw rod 15 drives the outer sleeve 14 to move towards the drilling head 7 through the threaded hole 142, the outer sleeve 14 presses the first spring 13 to enable the transmission shaft 12 to move towards the drilling head 7, the transmission shaft 12 pushes the drilling head 7 towards the wall surface through the power shaft 6, the dust cover 9 arranged on the drilling head 7 firstly contacts the wall surface, the dust cover 9 moves towards the outer sleeve 14 under the action of the pushing force, and meanwhile, the dust cover 9 drives the transmission ring 8 to move together;
the third step: when the dust cover 9 is moved to the right position, the drilling head 7 is in contact with a wall surface needing to be drilled, the power shaft 6 stops axial movement, the power shaft is inserted into the second spline groove 704 and the first spline groove 602 according to the spline 802, the screw rod 15 continues to rotate, the first spring 13 is compressed by the pressure of the outer sleeve 14, when the first spring 13 is compressed to the right position, the first inclined tooth surface 121 is meshed with the second inclined tooth surface 143, at the moment, the outer sleeve 14 cannot move axially, the rotation torque of the screw rod 15 is transmitted to the outer sleeve 14 through the threaded hole 142, and the outer sleeve 14 is meshed with the first inclined tooth surface 121 and the second inclined tooth surface 143 to transmit the rotation torque to the power shaft 6;
the fourth step: the power shaft 6 transmits the rotating torque to the drilling head 7 and the transmission ring 8 through the first spline groove 602, the drilling head 7 rotates to drill, the transmission ring 8 rotates, and negative pressure is generated through the negative pressure impeller 801 and the first through hole 902 to suck drilled waste chips into the dust cover 9.
The working principle is as follows:
through placing drilling equipment in the support chassis the inside, use the ball to connect simultaneously and carry out fixed stay to drilling head 7 and will drill head 7 and power shaft 6 and can carry out independent motion, on the other hand drives behind the face that dust cover 9 contradicts needs to punch and moves behind the drive ring 8 and drive spline 802 card and go into second spline groove 704 and first spline groove 602, the moment of rotation of power shaft 6 passes through spline 802 and transmits for drilling head 7 and drive ring 8, so can make only just begin to punch after dust cover 9 completely contradicts the wall, avoid because the dust cover 9 does not punch the sweeps when conflicting the wall completely and flow out from the gap.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.
Claims (8)
1. A supporting framework of a partition wall made of asbestos-free calcium silicate boards comprises an outer contour (1) and is characterized in that a first sliding groove (101) is formed in the outer contour (1), two ends of a cross beam (2) are clamped into the first sliding groove (101) and movably mounted, a mounting seat (3) is movably mounted on the cross beam (2), the cross beam (2) penetrates through a second sliding groove (301) of the mounting seat (3), and an arc-shaped platform (302) is arranged on the mounting seat (3);
the arc-shaped platform (302) is provided with a support (4), the support (4) is provided with a drilling head (7), the drilling head (7) is provided with a dust cover (9), the dust cover (9) is sleeved on the drilling head (7), a transmission ring (8) is arranged between the dust cover (9) and the drilling head (7), the transmission ring (8) is movably arranged on the dust cover (9), the transmission ring (8) is provided with a negative pressure impeller (801), and the bottom surface of the dust cover (9) is provided with at least one first through hole (902);
the support (4) is provided with a fixing ring (5), the fixing ring (5) is provided with a second through hole (501), the power shaft (6) penetrates through the second through hole (501) to be movably mounted, and the power shaft (6) is connected with the drilling head (7) through a ball;
the power shaft (6) is provided with a first spline groove (602), the drilling head (7) is provided with a second spline groove (704), the transmission ring (8) is provided with a spline (802), and the second spline groove (704) is located between the spline (802) and the first spline groove (602).
2. The supporting framework of a asbestos-free calcium silicate board partition wall as claimed in claim 1, wherein a transmission shaft (12) is arranged at the lower end of the power shaft (6), a first inclined tooth surface (121) and a cylindrical table (123) are arranged on the transmission shaft (12), a spring mounting hole (124) is formed in the cylindrical table (123), and a first mounting hole (141) and a second inclined tooth surface (143) are formed in the outer sleeve (14);
the cylindrical table (123) penetrates into the cylindrical table (123) to be movably mounted, and a first spring (13) is arranged between the bottom surface of the first mounting hole (141) and the transmission shaft (12).
3. The supporting framework of a non-asbestos calcium silicate board partition wall as claimed in claim 2, wherein a threaded hole (142) is formed at the bottom of the first mounting hole (141), and the screw rod (15) is movably mounted through the threaded hole (142).
4. The supporting framework of the asbestos-free calcium silicate board partition wall as claimed in claim 3, wherein one end of the screw rod (15) is provided with a first bevel gear (16), the bracket (4) is provided with a main power shaft (18), the main power shaft (18) is provided with a second bevel gear (17), and the first bevel gear (16) is meshed with the second bevel gear (17).
5. The supporting framework of a asbestos-free calcium silicate board partition wall as claimed in claim 4, wherein the dust cover (9) is provided with at least one guiding column (10), the fixing ring (5) is provided with a second through hole (502), and the guiding column (10) passes through the second through hole (502).
6. The supporting framework of a asbestos-free calcium silicate board partition wall as claimed in claim 5, wherein the fixing ring (5) is provided with a first spring mounting seat (503), the dust cover (9) is provided with a second spring mounting seat (901), and a second spring (11) is arranged between the first spring mounting seat (503) and the second spring mounting seat (901).
7. A support frame for a non-asbestos calcium silicate board partition wall according to claim 6, wherein a plurality of drilling heads (7) are provided on the support frame (4).
8. The support frame for a asbestos-free calcium silicate board partition wall according to claim 7, wherein the support frame for a asbestos-free calcium silicate board partition wall is operated by the steps of:
the first step is as follows: the drilling head (7) is moved to a position needing drilling by sliding the cross beam (2) in the first sliding chute (101) and sliding the mounting seat (3) on the cross beam (2), and the rotary power is transmitted to the screw rod (15) by meshing the first helical gear (16) and the second helical gear (17);
the second step is that: the screw rod (15) rotates to drive the outer sleeve (14) to move towards the drilling head (7) through the threaded hole (142), the outer sleeve (14) presses the first spring (13) to enable the transmission shaft (12) to move towards the drilling head (7), the transmission shaft (12) pushes the drilling head (7) towards the wall through the power shaft (6), the dust cover (9) arranged on the drilling head (7) contacts the wall firstly, the dust cover (9) moves towards the outer sleeve (14) under the action of the pushing force, and the dust cover (9) drives the transmission ring (8) to move together at the same time;
the third step: when the dust cover (9) is displaced to a proper position, the drilling head (7) is in contact with a wall surface needing drilling, the power shaft (6) stops axial movement, the drilling head is inserted into the second spline groove (704) and the first spline groove (602) according to the spline (802), the screw rod (15) continues to rotate, the first spring (13) is compressed by the pressure of the outer sleeve (14), when the first spring (13) is compressed to the proper position, the first oblique tooth surface (121) is meshed with the second oblique tooth surface (143), the outer sleeve (14) cannot axially move at the moment, the rotation torque of the screw rod (15) is transmitted to the outer sleeve (14) through the threaded hole (142), and the outer sleeve (14) transmits the rotation torque to the power shaft (6) through the meshing of the first oblique tooth surface (121) and the second oblique tooth surface (143);
the fourth step: the power shaft (6) transmits the rotating torque to the drilling head (7) and the transmission ring (8) through the first spline groove (602), the drilling head (7) rotates to drill, the transmission ring (8) rotates, and negative pressure is generated through the negative pressure impeller (801) and the first through hole (902) to suck the drilled waste chips into the dust cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011181546.3A CN112554380B (en) | 2020-10-29 | 2020-10-29 | Support framework of asbestos-free calcium silicate board partition wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011181546.3A CN112554380B (en) | 2020-10-29 | 2020-10-29 | Support framework of asbestos-free calcium silicate board partition wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112554380A CN112554380A (en) | 2021-03-26 |
| CN112554380B true CN112554380B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011181546.3A Active CN112554380B (en) | 2020-10-29 | 2020-10-29 | Support framework of asbestos-free calcium silicate board partition wall |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2929584A1 (en) * | 2016-05-11 | 2017-11-11 | Chepurny, Mark P. | A cnc milling, router or laser shield that contains and removes dust, debris and fumes |
| CN106270616B (en) * | 2016-09-20 | 2018-09-07 | 西安科技大学 | A kind of permanent magnetism drilling machine |
| CN107820784A (en) * | 2017-11-02 | 2018-03-23 | 郑州航空工业管理学院 | A kind of forestry plantation equipment of digging pit |
| CN108437227A (en) * | 2017-11-13 | 2018-08-24 | 惠安县泰达商贸有限责任公司 | A kind of dust-proof perforating device of lift metope |
| CN109128901A (en) * | 2018-08-20 | 2019-01-04 | 黟县新达机械铸造有限公司 | A kind of cast member drilling device |
| CN111347271B (en) * | 2020-04-10 | 2021-05-18 | 力锋精密工具（浙江）有限公司 | Steel sheet center location cutter device that punches |
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