CN112356308A - Stereoplasm wall perforating device for house ornamentation - Google Patents
Stereoplasm wall perforating device for house ornamentation Download PDFInfo
- Publication number
- CN112356308A CN112356308A CN202011071427.2A CN202011071427A CN112356308A CN 112356308 A CN112356308 A CN 112356308A CN 202011071427 A CN202011071427 A CN 202011071427A CN 112356308 A CN112356308 A CN 112356308A
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- rod
- fixedly connected
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- 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
- B28D1/146—Tools therefor
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a hard wall surface punching device for home decoration in the technical field of home decoration, which comprises a bottom plate, wherein the top end of the bottom plate is movably connected with a support column, the top end of the support column is fixedly connected with a support plate, a slide rod is transversely and fixedly connected in the support plate, a slide block is sleeved on the periphery of the slide rod, a cylinder is fixedly arranged on the right side of the top end of the support plate, the output end of the cylinder is fixedly connected on the right side of the slide block, a servo motor is fixedly arranged on the top end of the slide block, the output end of the servo motor is connected with a drill rod through a speed reducer, the left side of the bottom plate is fixedly connected with a connecting plate, the top end of the connecting plate is fixedly connected with a right clamping plate, the left side of the right clamping plate is vertically and rotatably, therefore, the edge of the wall body is not easy to damage when the hole is punched.
Description
Technical Field
The invention relates to the technical field of home decoration, in particular to a hard wall surface punching device for home decoration.
Background
In the process of home decoration, water and electricity line laying, weak current line and lamp installation and the like are carried out, some steps need to punch the wall, a punching device is needed, the punching device is used for quickly rotating the wall or other objects, drilling a wall or an object to leave a round hole on the wall or the object, wherein some of the existing home decoration drilling positions are positioned at the edge of the hard wall, the wall surface edge is easy to be damaged when the hole is punched, and simultaneously, because the inclined hole is difficult to be punched on the common wall surface, the edge of the hard wall surface is more difficult to drill the inclined hole, the drill bit is generally difficult to drill into the wall, in addition, the drill bit vibrates greatly during punching, punching deviation and inaccurate position are caused more easily, and therefore the hard wall punching device for home decoration is provided.
Disclosure of Invention
The invention aims to provide a punching device for a hard wall surface for home decoration, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hard wall surface punching device for home decoration comprises a bottom plate, wherein a supporting column is movably connected to the top end of the bottom plate, a vertical column is fixedly connected to the left side of the supporting column and is positioned at the top end of the bottom plate, an electric telescopic rod is movably connected to the right side of the vertical column, the electric telescopic rod is in electrical connection with an external power line, the output end of the electric telescopic rod is movably connected with the supporting column, a cylindrical pin is fixedly connected to the right side of the supporting column through a supporting rod, the front side and the rear side of the supporting column are fixedly connected with an annular limiting frame and are positioned at the top end of the bottom plate, the cylindrical pin is inserted into the annular limiting frame, arc springs are arranged at two sides of the cylindrical pin and are positioned in the annular limiting frame, a supporting plate is fixedly connected to the top end, the utility model discloses a pneumatic drill press, including slide bar, supporting plate, servo motor output end, bottom plate left side fixedly connected with connecting plate, connecting plate top fixedly connected with right splint, right splint left side is all rotated from top to bottom and is connected with the lead screw, the peripheral threaded connection of lead screw has left splint, lead screw other end fixedly connected with hand wheel, positioning mechanism is installed on right splint right side top, positioning mechanism and drill rod phase-match.
Preferably, the locating hole has been seted up on the right side splint surface, the locating hole diameter is greater than the peripheral diameter of drilling rod, locating hole top and bottom are located right splint surface and are provided with installation mechanism, installation mechanism is including erecting groove, mounting groove, fixed slot, shifting chute, driving piece and locking mechanism, perpendicular groove has been seted up on the right side splint surface, erect groove top and bottom and be located right splint surface and seted up mounting groove and fixed slot respectively, erect the groove left side and be located right splint surface and seted up the shifting chute, locking mechanism is installed to the shifting chute, locking mechanism surface connection has the driving piece.
Preferably, the locking mechanism includes activity groove, cross spring, stopper, spliced pole, inserted bar and slot, the activity groove has been seted up in the right splint to the shift gate rear side position, the activity groove with erect the groove intercommunication, the horizontal spring of activity inslot fixedly connected with, cross spring other end fixedly connected with stopper, stopper fixed surface is connected with the spliced pole, spliced pole other end fixedly connected with driving piece, the spliced pole matches with the shift gate, stopper opposite side fixedly connected with inserted bar, erect the groove right side and be located the right splint and seted up the slot, the slot just is in same water flat line with the activity groove with erecting the groove intercommunication, inserted bar and slot phase-match.
Preferably, install positioning mechanism in the installation mechanism, positioning mechanism includes threaded rod, locating piece, knob, a screw thread section of thick bamboo, connecting rod and location ring, the threaded rod is provided with two, threaded rod one end fixedly connected with locating piece, threaded rod other end fixedly connected with knob, the peripheral threaded connection of threaded rod has a screw thread section of thick bamboo, swing joint has the connecting rod on the screw thread section of thick bamboo, connecting rod other end fixedly connected with location ring, location ring and drilling rod phase-match.
Preferably, the locating piece with erect groove, mounting groove and fixed slot phase-match, locating piece, mounting groove and fixed slot are circular, just circular size equals, the locating piece diameter equals the width of erecting the groove.
Compared with the prior art, the invention has the beneficial effects that:
the invention is provided with the annular limiting frame, on one hand, the annular limiting frame has a limiting effect on the rotation of the supporting column, and on the other hand, the circular arc spring in the annular limiting frame has a buffering effect on the supporting column, so that the stability of the supporting column, the supporting plate and the drill rod during working is ensured.
The wall body edge punching machine is provided with the left clamping plate and the right clamping plate, and the left clamping plate and the right clamping plate clamp the wall body by moving on the screw rod, so that the wall body edge is not easy to damage when the wall body edge is punched.
The drilling device is provided with the positioning mechanism and the electric telescopic rod, the supporting column can drive the supporting plate to rotate through the electric telescopic rod so as to adjust the drilling angle of the drilling rod, and the positioning ring can adjust the angle to correspond to the angle of the drilling rod through the mutual matching of the structures in the positioning mechanism, so that the drilling rod is not easy to deviate during drilling, and meanwhile, the stability of the drilling rod is also improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 3 is a right side view of the right splint of the present invention;
FIG. 4 is a schematic structural diagram of a locking mechanism according to the present invention;
FIG. 5 is a schematic view of a positioning mechanism according to the present invention.
In the figure: 1. a base plate; 2. a support pillar; 21. a strut; 22. a cylindrical pin; 3. a column; 4. an electric telescopic rod; 5. a support plate; 6. an elastic telescopic rod; 7. a cylinder; 8. a slide bar; 9. a slider; 10. a servo motor; 11. a drill stem; 12. an annular limiting frame; 121. a circular arc spring; 13. a connecting plate; 14. a right splint; 141. positioning holes; 142. a vertical slot; 143. mounting grooves; 144. fixing grooves; 145. a moving groove; 146. a drive member; 147. a locking mechanism; 1471. a movable groove; 1472. a lateral spring; 1473. a limiting block; 1474. connecting columns; 1475. inserting a rod; 1476. a slot; 15. a left splint; 16. a screw rod; 17. A hand wheel; 18. a positioning mechanism; 181. a threaded rod; 182. positioning blocks; 183. a knob; 184. a threaded barrel; 185. a connecting rod; 186. the ring is positioned.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a hard wall surface punching device for home decoration comprises a bottom plate 1, wherein a supporting column 2 is movably connected to the top end of the bottom plate 1, a vertical column 3 is fixedly connected to the left side of the supporting column 2 and is positioned at the top end of the bottom plate 1, an electric telescopic rod 4 is movably connected to the right side of the vertical column 3, the electric telescopic rod 4 is linearly connected with an external power supply, the output end of the electric telescopic rod 4 is movably connected with the supporting column 2, the electric telescopic rod 4 is horizontally arranged, the supporting column 2 and the vertical column 3 are both perpendicular to the bottom plate 1 in an initial state, a cylindrical pin 22 is fixedly connected to the right side of the supporting column 2 through a supporting rod 21, an annular limiting frame 12 is fixedly connected to the top end of the bottom plate 1 at the front side and the rear side of the supporting column 2, the cylindrical pin 22 is inserted into the annular, thereby the compression or extension arc spring 121 plays a role of buffering, the top end of the support column 2 is fixedly connected with the support plate 5, the bottom end of the support plate 5 is movably connected with the elastic telescopic rod 6, the other end of the elastic telescopic rod 6 is movably connected with the top end of the upright column 3, the elastic telescopic rod 6 is vertical to the upright column 3, the elastic telescopic rod 6 comprises a limiting cylinder, the top end of the limiting cylinder is inserted with a movable rod, a telescopic spring is arranged in the limiting cylinder, the elastic telescopic rod is compressed through the telescopic spring to play a role of buffering, a slide rod 8 is transversely and fixedly connected in the support plate 5, a slide block 9 is sleeved on the periphery of the slide rod 8, a cylinder 7 is fixedly arranged on the right side of the top end of the support plate 5, the cylinder 7 is linearly connected with an external power supply, the output end of the cylinder 7 is fixedly connected, servo motor 10 and external power supply line nature are connected, servo motor 10 output is connected with drilling rod 11 through the speed reducer, 1 left side fixedly connected with connecting plate 13 of bottom plate, connecting plate 13 is height equals bottom plate 1, length is less than bottom plate 1 and the width is the rectangular plate of 1 width eighth of bottom plate, 13 top fixedly connected with right splint 14 of connecting plate, the width of right splint 14 equals the width of bottom plate 1, right splint 14 left side is all rotated from top to bottom and is connected with lead screw 16, 16 peripheral threaded connection of lead screw has left splint 15, the size of left splint 15 is the same with the size of right splint 14, 16 other end fixedly connected with hand wheel 17 of lead screw, it makes left splint 15 remove on lead screw 16 to rotate lead screw 16 through hand wheel 17, positioning mechanism 18 is installed on 14 right side top of right splint, positioning mechanism 18 and drilling rod 11 phase-.
Referring to fig. 3, a positioning hole 141 is formed in the surface of the right clamping plate 14, the diameter of the positioning hole 141 is larger than the peripheral diameter of the drill rod 11, so that the drill rod 11 can penetrate through the positioning hole 141 to drill a wall surface after adjusting an angle, a mounting mechanism is arranged on the surface of the right clamping plate 14 at the top end and the bottom end of the positioning hole 141, the mounting mechanism includes a vertical slot 142, a mounting slot 143, a fixing slot 144, a moving slot 145, a driving member 146 and a locking mechanism 147, the vertical slot 142 is formed in the surface of the right clamping plate 14 at the top end and the bottom end of the vertical slot 142, the mounting slot 143 and the fixing slot 144 are respectively formed in the surface of the right clamping plate 14 at the top end and the bottom end of the vertical slot 142, the moving.
Referring to fig. 4, the locking mechanism 147 includes a movable groove 1471, a horizontal spring 1472, a limiting block 1473, a connecting column 1474, an inserting rod 1475 and a slot 1476, the rear side of the movable groove 145 is provided with a movable groove 1471 in the right clamping plate 14, the movable groove 1471 is communicated with the vertical groove 142, the horizontal spring 1472 is fixedly connected in the movable groove 1471, the other end of the horizontal spring 1472 is fixedly connected with the limiting block 1473, the surface of the limiting block 1473 is fixedly connected with the connecting column 1474, the other end of the connecting column 1474 is fixedly connected with the driving member 146, the connecting column 1474 is matched with the movable groove 145, the other side of the limiting block 1473 is fixedly connected with an inserting rod 1475, the right side of the vertical groove 142 is provided with a slot 1476 in the right clamping plate 14, the slot 1476 is communicated with the vertical groove 142 and is positioned at the, the stopper 1473 is moved by the driving member 146, so that the plunger 1475 is moved leftward to compress the cross spring 1472.
Referring to fig. 5, a positioning mechanism 18 is installed in the installation mechanism, the positioning mechanism 18 includes two threaded rods 181, two positioning blocks 182, two knobs 183, two threaded cylinders 184, a connecting rod 185 and a positioning ring 186, one end of each threaded rod 181 is fixedly connected with the corresponding positioning block 182, the other end of each threaded rod 181 is fixedly connected with the corresponding knob 183, the periphery of each threaded rod 181 is in threaded connection with the corresponding threaded cylinder 184, the connecting rod 185 is movably connected to the corresponding threaded cylinder 184, the connecting rod 185 is a telescopic elastic telescopic rod, the other end of the connecting rod 185 is fixedly connected with the corresponding positioning ring 186, by turning the knob 183, the threaded rod 181 is turned, so that the threaded cylinder 184 moves on the threaded rod 181, thereby adjusting the angle of the positioning ring 186, matching the positioning ring 186 with the drill rod 11, so that the positioning ring 186 can also be angled to position the drill rod 11 after it has been angled.
Referring to fig. 4-5, the positioning block 182 is matched with the vertical slot 142, the mounting slot 143 and the fixing slot 144, the positioning block 182, the mounting slot 143 and the fixing slot 144 are all circular and have the same size, and the diameter of the positioning block 182 is equal to the width of the vertical slot 142, so that the positioning block 182 can be inserted into the mounting slot 143 and move in the vertical slot 142, and finally is abutted by the fixing slot 144.
The working principle is as follows: when the device is used, firstly, the device is moved to the edge of a hard wall surface, then the distance between the left clamping plate 15 and the right clamping plate 14 is adjusted, then the left clamping plate 15 and the right clamping plate 14 are moved to clamp a wall body, then the screw rod 16 is rotated by rotating the hand wheel 17, so that the left clamping plate 15 is moved to the right side to clamp the wall body, at the moment, preliminary preparation work is completed, then the electric telescopic rod 4 is started to adjust the angle of the supporting column 2 according to the angle needing to be punched, after the angle adjustment is completed, the second preparation work is completed, then, the position of the positioning ring 186 is adjusted according to the current position of the drill rod 11, if the angle adjusted by the drill rod 11 is larger, firstly, the two threaded rods 181 are installed into two installation mechanisms with a larger distance difference through the positioning block 182, if the angle adjusted by the drill rod 11 is not larger, the threaded rods 181 do not, then the knob 183 on the threaded rod 181 below is rotated to rotate the threaded rod 181 below, so that the threaded cylinder 184 for alignment moves to the left, and further the bottom end of the positioning ring 186 inclines to the left, which just corresponds to the upward-lifting angle of the upper drill rod 11, if the drill rod 11 is lifted downwards, the operations are performed according to the reverse steps, at this time, all preparation operations are completed, the air cylinder 7 and the servo motor 10 are started, the servo motor 10 is gradually moved to the left, and the drill rod 11 passes through the positioning ring 186 and the positioning hole 141 to contact with the wall surface and punch the wall surface.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a stereoplasm wall perforating device for house ornamentation, includes bottom plate (1), its characterized in that: the top end of the bottom plate (1) is movably connected with a supporting column (2), the left side of the supporting column (2) is positioned at the top end of the bottom plate (1) and is fixedly connected with a stand column (3), the right side of the stand column (3) is movably connected with an electric telescopic rod (4), the electric telescopic rod (4) is in linear connection with an external power line, the output end of the electric telescopic rod (4) is movably connected with the supporting column (2), the right side of the supporting column (2) is fixedly connected with a cylindrical pin (22) through a supporting rod (21), the front side and the rear side of the supporting column (2) are positioned at the top end of the bottom plate (1) and are fixedly connected with an annular limiting frame (12), the cylindrical pin (22) is inserted into the annular limiting frame (12), two sides of the cylindrical pin (22) are positioned in the annular, the support plate (5) is movably connected with an elastic telescopic rod (6) at the bottom end, the other end of the elastic telescopic rod (6) is movably connected to the top end of the stand column (3), a sliding rod (8) is transversely and fixedly connected with the inside of the support plate (5), a sliding block (9) is sleeved on the periphery of the sliding rod (8), a cylinder (7) is fixedly installed on the right side of the top end of the support plate (5), the cylinder (7) is in linear connection with an external power source, the output end of the cylinder (7) is fixedly connected to the right side of the sliding block (9), a servo motor (10) is fixedly installed on the top end of the sliding block (9), the servo motor (10) is in linear connection with the external power source, the output end of the servo motor (10) is connected with a drill rod (11) through a speed reducer, the drill rod drilling machine is characterized in that a screw rod (16) is connected to the left side of the right clamping plate (14) in an up-and-down rotating mode, a left clamping plate (15) is connected to the periphery of the screw rod (16) in a threaded mode, a hand wheel (17) is fixedly connected to the other end of the screw rod (16), a positioning mechanism (18) is installed at the top end of the right side of the right clamping plate (14), and the positioning mechanism (18) is matched with a.
2. The perforating device for the hard wall surface for home decoration according to claim 1, wherein: positioning hole (141) have been seted up on right splint (14) surface, positioning hole (141) diameter is greater than the peripheral diameter of drilling rod (11), positioning hole (141) top and bottom are located right splint (14) surface and are provided with installation mechanism, installation mechanism has seted up perpendicular groove (142) including erecting groove (142), mounting groove (143), fixed slot (144), shifting chute (145), driving piece (146) and locking mechanism (147), perpendicular groove (142) has been seted up on right splint (14) surface, perpendicular groove (142) top and bottom are located right splint (14) surface and have seted up mounting groove (143) and fixed slot (144) respectively, perpendicular groove (142) left side is located right splint (14) surface and has seted up shifting chute (145), install locking mechanism (147) in shifting chute (145), locking mechanism (147) surface connection has driving piece (146).
3. The perforating device for the hard wall surface for home decoration as claimed in claim 2, wherein: the locking mechanism (147) comprises a movable groove (1471), a transverse spring (1472), a limiting block (1473), a connecting column (1474), an insert rod (1475) and a slot (1476), wherein the rear side of the movable groove (145) is provided with the movable groove (1471) in the right clamping plate (14), the movable groove (1471) is communicated with the vertical groove (142), the transverse spring (1472) is fixedly connected in the movable groove (1471), the limiting block (1473) is fixedly connected at the other end of the transverse spring (1472), the connecting column (1474) is fixedly connected to the surface of the limiting block (1473), the driving piece (146) is fixedly connected to the other end of the connecting column (1474), the connecting column (1474) is matched with the movable groove (145), the insert rod (1475) is fixedly connected to the other side of the limiting block (1473), the slot (1476) is arranged in the right clamping plate (14) at the right side of the vertical groove (142), the slot (1476) is communicated with the vertical groove (142) and is positioned at the same, the plunger (1475) is matched with the slot (1476).
4. The perforating device for the hard wall surface for home decoration as claimed in claim 3, wherein: install positioning mechanism (18) in the installation mechanism, positioning mechanism (18) include threaded rod (181), locating piece (182), knob (183), screw cylinder (184), connecting rod (185) and location ring (186), threaded rod (181) is provided with two, threaded rod (181) one end fixedly connected with locating piece (182), threaded rod (181) other end fixedly connected with knob (183), threaded rod (181) peripheral threaded connection has screw cylinder (184), swing joint has connecting rod (185) on screw cylinder (184), connecting rod (185) other end fixedly connected with location ring (186), location ring (186) and drilling rod (11) phase-match.
5. The perforating device for the hard wall surface for home decoration as claimed in claim 4, wherein: the positioning block (182) is matched with the vertical groove (142), the mounting groove (143) and the fixing groove (144), the positioning block (182), the mounting groove (143) and the fixing groove (144) are all circular, the circular sizes are equal, and the diameter of the positioning block (182) is equal to the width of the vertical groove (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071427.2A CN112356308A (en) | 2020-10-09 | 2020-10-09 | Stereoplasm wall perforating device for house ornamentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071427.2A CN112356308A (en) | 2020-10-09 | 2020-10-09 | Stereoplasm wall perforating device for house ornamentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112356308A true CN112356308A (en) | 2021-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011071427.2A Pending CN112356308A (en) | 2020-10-09 | 2020-10-09 | Stereoplasm wall perforating device for house ornamentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112356308A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221706A (en) * | 1998-02-06 | 1999-08-17 | Kozo Otani | Auxiliary tool for carpenter |
| ATA205298A (en) * | 1998-12-07 | 2000-01-15 | Luetke Joachim | ANGLE OR SLOPE DRILLING DEVICE |
| CN206438947U (en) * | 2016-12-30 | 2017-08-25 | 天津荆楚建筑安装工程有限公司 | A kind of door and window safety theft-proof chain |
| CN206981809U (en) * | 2017-06-22 | 2018-02-09 | 国建新能科技股份有限公司 | A kind of construction servicing unit |
| CN207344868U (en) * | 2017-10-27 | 2018-05-11 | 郭若男 | A kind of architectural engineering skin face perforating device |
| CN108080672A (en) * | 2017-12-08 | 2018-05-29 | 合肥市春华起重机械有限公司 | A kind of auto parts perforating device |
| CN108889995A (en) * | 2018-09-28 | 2018-11-27 | 胡志华 | A kind of liftable perforating device of construction |
| CN109866339A (en) * | 2017-12-01 | 2019-06-11 | 西安思途米环保科技有限公司 | A kind of hydropower installation rotary type automatic punching device |
| CN211518071U (en) * | 2020-01-08 | 2020-09-18 | 陕西理工大学 | Building inclined plane auxiliary device that punches |
-
2020
- 2020-10-09 CN CN202011071427.2A patent/CN112356308A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221706A (en) * | 1998-02-06 | 1999-08-17 | Kozo Otani | Auxiliary tool for carpenter |
| ATA205298A (en) * | 1998-12-07 | 2000-01-15 | Luetke Joachim | ANGLE OR SLOPE DRILLING DEVICE |
| CN206438947U (en) * | 2016-12-30 | 2017-08-25 | 天津荆楚建筑安装工程有限公司 | A kind of door and window safety theft-proof chain |
| CN206981809U (en) * | 2017-06-22 | 2018-02-09 | 国建新能科技股份有限公司 | A kind of construction servicing unit |
| CN207344868U (en) * | 2017-10-27 | 2018-05-11 | 郭若男 | A kind of architectural engineering skin face perforating device |
| CN109866339A (en) * | 2017-12-01 | 2019-06-11 | 西安思途米环保科技有限公司 | A kind of hydropower installation rotary type automatic punching device |
| CN108080672A (en) * | 2017-12-08 | 2018-05-29 | 合肥市春华起重机械有限公司 | A kind of auto parts perforating device |
| CN108889995A (en) * | 2018-09-28 | 2018-11-27 | 胡志华 | A kind of liftable perforating device of construction |
| CN211518071U (en) * | 2020-01-08 | 2020-09-18 | 陕西理工大学 | Building inclined plane auxiliary device that punches |
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Application publication date: 20210212 |
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| RJ01 | Rejection of invention patent application after publication |