CN113618897A - Evaporate and press air entrainment building block board to insert borer, pull out borer system - Google Patents
Evaporate and press air entrainment building block board to insert borer, pull out borer system Download PDFInfo
- Publication number
- CN113618897A CN113618897A CN202111008151.8A CN202111008151A CN113618897A CN 113618897 A CN113618897 A CN 113618897A CN 202111008151 A CN202111008151 A CN 202111008151A CN 113618897 A CN113618897 A CN 113618897A
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- China
- Prior art keywords
- lifting
- guide
- frame
- assembly
- wheel
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000006855 networking Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
Abstract
The invention discloses an autoclaved aerated block plate drill rod inserting and pulling system which comprises a frame assembly, a travelling crane assembly, a lifting assembly and a guide assembly. The frame component comprises upright posts and track beams. The traveling assembly comprises a traveling frame, a traveling beam, a translation motor and a transmission rod, wherein the translation motor is installed in the middle of the traveling frame and drives the transmission rod, and the other end of the transmission rod is connected with a roller of the traveling beam. The lifting assembly comprises a lifting motor, a steel wire winding drum, a pulley shaft, a steel wire, a lifting ring and a lifting beam, the lifting beam comprises two symmetrical cross beams and a longitudinal beam for connection, and the lifting beam can grab and loosen the net cage. The guide assembly comprises a guide flat wheel, a guide grooved wheel and a guide rail, a groove of the guide grooved wheel is clamped on the guide rail, and the wheel surface of the guide flat wheel is attached to the side surface of the guide rail. The invention automatically completes the operations of inserting and pulling the drill rod and guides the assembly, so that the net cage frame and the die trolley are more accurately positioned, the working efficiency is improved, and the danger is reduced.
Description
Technical Field
The invention belongs to the field of automatic production of aerated concrete, and particularly relates to an autoclaved aerated block plate drill rod inserting and pulling system.
Background
In the process of manufacturing the aerated concrete block plate by an automatic production line, raw materials are put into stirring equipment according to the proportion for stirring, the stirred slurry is poured into a mould, the slurry is statically maintained after gas expansion, condensation and hardening, and a cutting machine is used for cutting after the cutting hardness is reached. The building block board needs to be added with a steel bar net piece to serve as a framework, and before static stop forming, the drilling operation needs to be carried out, namely, the net piece is buried to serve as the framework of the building block board, and the structural strength is enhanced. After the mesh is condensed and hardened, the supporting rods lapped with the mesh need to be pulled out, and the autoclaved vent holes are reserved on the supporting rods. The net sheets are placed on the net cage frame at a certain distance, and the operation of inserting and pulling the drill rods requires the positioning of the net cage frame and the die trolley, and the net cage frame also needs good contact when moving along with the die trolley. And the manual assistance is adopted, so that the working efficiency is reduced, and the movable construction danger is realized. Therefore, the urgent need to design a plug pin, pull out borer system, the automatic operation guarantees the positioning accuracy of net cage frame and mould car simultaneously to avoid the accident, improve product quality.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the autoclaved aerated masonry plate drill rod inserting and pulling system which adopts an automatic control assembly, reduces manual operation, and is high in working efficiency and accurate in positioning.
In order to achieve the aim, the invention provides an autoclaved aerated masonry plate drill rod inserting and pulling system, which comprises a frame assembly, a travelling crane assembly, a lifting assembly and a guide assembly,
the frame assembly comprises a plurality of upright columns and track beams, wherein the upright columns are uniformly distributed and support the track beams; the track beam comprises two I-shaped beams with translation tracks and a bracket lapped with the I-shaped beams,
the travelling crane assembly comprises a travelling crane frame, a travelling cross beam, a translation motor and a transmission rod, the travelling crane frame and the travelling cross beam are combined and installed on the track beam, and the travelling cross beam is provided with rollers matched with the translation track; the translation motor is arranged in the middle of the walking frame and drives two symmetrical transmission rods, the other ends of the transmission rods are connected with the rollers of the walking beam,
the lifting assembly comprises a lifting motor, steel wire winding drums, pulley shafts, steel wires, lifting rings and a lifting beam, wherein the lifting motor is arranged on the upper surface of the middle part of the travelling crane and drives the two steel wire winding drums to synchronously rotate; the lifting beam comprises two symmetrical cross beams and a longitudinal beam for connection, the lifting beam can grab and release the net cage,
the guide assembly comprises four guide flat wheels, four guide grooved wheels and four guide rails, and the four guide rails are installed on the vertical rods in pairs; the vertical rods are arranged at the lower net working position where the mold vehicle is located, and are respectively connected with the track beam and the ground from top to bottom; the guide flat wheel and the guide grooved wheel are symmetrically installed on two cross beams of the lifting beam through connecting blocks respectively, a groove of the guide grooved wheel is clamped on the guide rail, and the wheel surface of the guide flat wheel is attached to the side surface of the guide rail.
Furthermore, install between stand and the ground and strengthen the piece, and install the bracing.
Furthermore, the walking beam of the traveling crane assembly is also provided with a guide wheel matched with the translation track.
Further, the lifting motor adopts a GKA97 series speed reducing motor.
Furthermore, a plurality of grabbers are mounted on the lifting beam and can be locked and loosened with lifting lugs of the mesh cage frame through cylinder driving.
Furthermore, each wire reel is provided with two winding stations for winding the lifting wires on the left side and the right side respectively.
Furthermore, an inserting rod and a balancing rod are respectively installed on two sides of the bottom of the net cage frame, the inserting rod can be inserted into a positioning hole of the die car, and the balancing rod is in lap joint with the edge of the upper surface of the other side of the die car.
The invention has the beneficial effects that:
the system for inserting and pulling the drill rods of the autoclaved aerated block plates automatically finishes the work of inserting and pulling the drill rods, is provided with the special guide assembly, enables the positioning of the net cage frame and the die trolley to be more accurate, does not need manual assistance, improves the working efficiency and reduces the operation danger.
Drawings
FIG. 1 is a schematic perspective view of a system for inserting and pulling a pin of an autoclaved aerated block plate according to the present invention;
FIG. 2 is a schematic perspective view of a lifting beam, a guide assembly and a mesh cage frame of the autoclaved aerated block plate drill rod inserting and pulling system;
fig. 3 is an enlarged perspective view of a guide sheave and a guide rail according to the present invention;
fig. 4 is an enlarged perspective view of the guide flat wheel and the guide rail according to the present invention.
In the figure: 1. a net cage frame; 2. a gripper; 3. a lifting beam; 4. a column; 5. a track beam; 6. a wire drum; 7. a transmission rod; 8. a pulley shaft; 9. a travelling crane assembly; 10. a guide flat wheel; 11. a guide sheave; 12. a guide rail; 13. a lifting ring.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the autoclaved aerated masonry plate drill rod inserting and pulling system comprises a frame assembly, a travelling crane assembly 9, a lifting assembly and a guide assembly.
The frame subassembly includes stand 4, track roof beam 5, stand 4 has a plurality ofly, evenly arranges, and stand 4 supports there is track roof beam 5. The track beam 5 comprises two I-beams with translation tracks and a bracket lapped with the I-beams.
The traveling assembly 9 comprises a traveling frame, a traveling beam, a translation motor and a transmission rod 7, the traveling frame and the traveling beam are assembled and installed on the track beam 5, and the traveling beam is provided with rollers matched with the translation track. The translation motor is installed in the middle of the walking frame and drives two symmetrical transmission rods 7, and the other ends of the transmission rods 7 are connected with the rollers of the walking beam.
As shown in fig. 1 and 2, the lifting assembly comprises a lifting motor, a steel wire winding drum 6, pulley shafts 8, a steel wire, a lifting ring 13 and a lifting beam 3, wherein the lifting motor is arranged on the upper surface of the middle part of the travelling crane, the lifting motor drives the two steel wire winding drums 6 to synchronously rotate, the steel wire is reversed through the two symmetrical pulley shafts 8, and the steel wire is connected with the lifting ring 13 on the lifting beam 3. The lifting beam 3 comprises two symmetrical cross beams and a longitudinal beam for connection, and the lifting beam 3 can grab and release the net cage frame 1.
As shown in fig. 3 and 4, the guide assembly includes a guide flat wheel 10, a guide grooved wheel 11, and four guide rails 12, and two of the four guide rails 12 are mounted on the vertical rod. The vertical rod is arranged at the lower net working position where the die trolley is located, and is connected with the track beam 5 and the ground from top to bottom respectively. The guide flat wheel 10 and the guide grooved wheel 11 are symmetrically installed on two beams of the lifting beam through connecting blocks respectively, a groove of the guide grooved wheel 11 is clamped on the guide rail 12, and the wheel surface of the guide flat wheel 10 is attached to the side surface of the guide rail 12.
In one example, a reinforcing plate is installed between the upright post 4 and the ground, and a diagonal brace is installed.
In one example, the travelling beams of the travelling crane assembly 9 are also provided with guide wheels to cooperate with the translation rails.
In one example, the lifting motor adopts a GKA97 series speed reducing motor.
In one example, a plurality of grippers 2 are mounted on the lifting beam 3, and can be locked and unlocked with lifting lugs of the cylinder mould frame 1 through cylinder driving.
In one example, there are two winding stations on each of the wire drums 6, to wind left and right hand lift wires, respectively.
In one example, the two sides of the bottom of the net cage 1 are respectively provided with an inserting rod and a balancing rod, the inserting rod can be inserted into a positioning hole of the die car, and the balancing rod is overlapped with the edge of the upper surface of the other side of the die car.
The working principle of the invention is as follows:
according to the system for inserting and pulling the drill steel of the autoclaved aerated block plate, the lifting beam 3 is in lap joint with the net cage frame 1, the driving motor drives the steel wire winding drum 6 on the travelling crane frame to drive the pulley shafts 8 on two sides to rotate, and the lifting beam 3 is lifted and lowered through the steel wire. The traveling crane frame drives a traveling crane beam by a driving motor and a transmission rod 7. When the net cage frame is lifted, the guide assembly guides the net cage frame through the guide assembly, the guide assembly comprises a guide flat wheel 10 and a guide grooved wheel 11, the lifting difficulty caused by the inconsistency of the two sides is avoided while the accuracy is guaranteed, and the accuracy of the positioning of the net cage frame 1 and the mold vehicle is further guaranteed.
When the drill rod inserting device works, a net piece is installed on the net cage frame 1 at a specified interval, the traveling crane assembly 9 is moved, the lifting beam 3 descends, the grabber 2 locks the lifting lugs of the net cage frame 1, the steel wire rotates, and the lifting beam 3 is lifted. After the net cage frame 1 is lifted, the translation motor drives the transmission rod 7 to drive the rollers on the two sides to rotate, the travelling crane assembly 9 moves to a net-off station above the mold vehicle, the mold vehicle is located on an underground track, the lifting beam 3 descends, and the guide flat wheels 10 and the guide grooved wheels 11 on the two sides of the guide assembly are matched with the guide rails 12, so that the inserted rods of the net cage frame 1 are inserted into the positioning holes of the mold vehicle. The grabber 2 is loosened, the lifting beam 3 is lifted, and the traveling crane assembly 9 is moved to the internet surfing station.
After the static stop molding, the drill rod pulling work is carried out, the traveling crane component 9 is moved to the position of a lower net station above the mold vehicle, the lifting beam 3 descends, the grabber 2 locks the lifting lug of the net cage frame 1, the steel wire rotates, the lifting beam 3 is lifted, the supporting rod of the net cage frame 1 is pulled out from the billet, the supporting rod is moved to the upper net station, and the net cage frame 1 is detached.
In conclusion, the automatic positioning device automatically completes the operations of inserting and pulling the drill rods, is provided with the special guide assembly, enables the positioning of the net cage frame and the die trolley to be more accurate, does not need manual assistance, improves the working efficiency and reduces the operation danger.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (7)
1. The utility model provides an evaporate and press air entrainment building block board to insert borer, pull out borer system which characterized in that: comprises a frame component, a traveling component (9), a lifting component and a guiding component,
the frame assembly comprises a plurality of upright posts (4) and track beams (5), the upright posts (4) are uniformly distributed, and the track beams (5) are supported by the upright posts (4); the track beam (5) comprises two I-beams with translation tracks and brackets lapped with the I-beams,
the travelling crane component (9) comprises a travelling crane frame, a travelling cross beam, a translation motor and a transmission rod (7), the travelling crane frame and the travelling cross beam are combined and installed on the track beam (5), and the travelling cross beam is provided with rollers matched with the translation track; the translation motor is arranged in the middle of the walking frame and drives two symmetrical transmission rods (7), the other end of each transmission rod (7) is connected with a roller of the walking beam,
the lifting assembly comprises a lifting motor, steel wire winding drums (6), pulley shafts (8), steel wires, lifting rings (13) and a lifting beam (3), wherein the lifting motor is arranged on the upper surface of the middle part of the travelling crane, the lifting motor drives the two steel wire winding drums (6) to synchronously rotate, the steel wires are reversed through the two symmetrical pulley shafts (8), and the steel wires are connected with the lifting rings (13) on the lifting beam (3); the lifting beam (3) comprises two symmetrical cross beams and a longitudinal beam for connection, the lifting beam (3) can grab and release the net cage frame (1),
the guide assembly comprises four guide flat wheels (10), four guide grooved wheels (11) and four guide rails (12), and the guide rails (12) are arranged on the vertical rods in pairs; the vertical rods are arranged at the lower net working position where the mould car is located, and are respectively connected with the track beam (5) and the ground from top to bottom; the guide flat wheel (10) and the guide grooved wheel (11) are symmetrically installed on two beams of the lifting beam through connecting blocks respectively, a groove of the guide grooved wheel (11) is clamped on the guide rail (12), and the wheel surface of the guide flat wheel (10) is attached to the side surface of the guide rail (12).
2. The autoclaved aerated masonry slab drill rod inserting and pulling system according to claim 1, characterized in that: and a reinforcing sheet is arranged between the upright post (4) and the ground, and an inclined strut is arranged.
3. The autoclaved aerated masonry slab drill rod inserting and pulling system according to claim 1, characterized in that: the walking beam of the traveling crane assembly (9) is also provided with guide wheels matched with the translation rails.
4. The autoclaved aerated masonry slab drill rod inserting and pulling system according to claim 1, characterized in that: the lifting motor adopts a GKA97 series speed reducing motor.
5. The autoclaved aerated masonry slab drill rod inserting and pulling system according to claim 1, characterized in that: the lifting beam (3) is provided with a plurality of grabbers (2), and the grabbers can be locked and loosened with lifting lugs of the net cage frame (1) through cylinder driving.
6. The autoclaved aerated masonry slab drill rod inserting and pulling system according to claim 1, characterized in that: each wire winding drum (6) is provided with two winding stations for winding the lifting wires on the left side and the right side respectively.
7. The autoclaved aerated masonry slab drill rod inserting and pulling system according to claim 1, characterized in that: the net cage is characterized in that an inserting rod and a balancing rod are respectively installed on two sides of the bottom of the net cage frame (1), the inserting rod can be inserted into a positioning hole of the die car, and the balancing rod is in lap joint with the edge of the upper surface of the other side of the die car.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111008151.8A CN113618897A (en) | 2021-08-31 | 2021-08-31 | Evaporate and press air entrainment building block board to insert borer, pull out borer system |
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CN202111008151.8A CN113618897A (en) | 2021-08-31 | 2021-08-31 | Evaporate and press air entrainment building block board to insert borer, pull out borer system |
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CN202111008151.8A Pending CN113618897A (en) | 2021-08-31 | 2021-08-31 | Evaporate and press air entrainment building block board to insert borer, pull out borer system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114871549A (en) * | 2022-05-31 | 2022-08-09 | 深圳市鹏煜威科技有限公司 | Welding equipment for shell, wiring terminal and protection box |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004352462A (en) * | 2003-05-30 | 2004-12-16 | Hitachi Ltd | Elevator device |
CN205294608U (en) * | 2015-08-26 | 2016-06-08 | 群峰智能机械股份公司 | Plug borer hoist |
CN109368507A (en) * | 2018-11-29 | 2019-02-22 | 安徽科达机电有限公司 | A kind of air entrained concrete plug pricker loop wheel machine and its movement turn pricker device |
CN110028010A (en) * | 2019-03-21 | 2019-07-19 | 湖南三一快而居住宅工业有限公司 | A kind of plug pricker hoisting platform device |
CN210001129U (en) * | 2019-05-15 | 2020-01-31 | 安徽科达机电有限公司 | kinds of net cage transfer device |
CN210100314U (en) * | 2019-04-28 | 2020-02-21 | 优博络客新型建材(天津)有限公司 | Automatic change cylinder mould circulation system |
CN111112514A (en) * | 2020-01-13 | 2020-05-08 | 安徽科达机电有限公司 | Mesh placing machine and mesh placing method |
CN211168552U (en) * | 2019-11-13 | 2020-08-04 | 南通恒康数控机械股份有限公司 | Fixed point lifting conveyor |
WO2021093611A1 (en) * | 2019-11-15 | 2021-05-20 | 中车大同电力机车有限公司 | Electric locomotive wheel drive unit assembly manipulator |
-
2021
- 2021-08-31 CN CN202111008151.8A patent/CN113618897A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004352462A (en) * | 2003-05-30 | 2004-12-16 | Hitachi Ltd | Elevator device |
CN205294608U (en) * | 2015-08-26 | 2016-06-08 | 群峰智能机械股份公司 | Plug borer hoist |
CN109368507A (en) * | 2018-11-29 | 2019-02-22 | 安徽科达机电有限公司 | A kind of air entrained concrete plug pricker loop wheel machine and its movement turn pricker device |
CN110028010A (en) * | 2019-03-21 | 2019-07-19 | 湖南三一快而居住宅工业有限公司 | A kind of plug pricker hoisting platform device |
CN210100314U (en) * | 2019-04-28 | 2020-02-21 | 优博络客新型建材(天津)有限公司 | Automatic change cylinder mould circulation system |
CN210001129U (en) * | 2019-05-15 | 2020-01-31 | 安徽科达机电有限公司 | kinds of net cage transfer device |
CN211168552U (en) * | 2019-11-13 | 2020-08-04 | 南通恒康数控机械股份有限公司 | Fixed point lifting conveyor |
WO2021093611A1 (en) * | 2019-11-15 | 2021-05-20 | 中车大同电力机车有限公司 | Electric locomotive wheel drive unit assembly manipulator |
CN111112514A (en) * | 2020-01-13 | 2020-05-08 | 安徽科达机电有限公司 | Mesh placing machine and mesh placing method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114871549A (en) * | 2022-05-31 | 2022-08-09 | 深圳市鹏煜威科技有限公司 | Welding equipment for shell, wiring terminal and protection box |
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Application publication date: 20211109 |
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