CN114211374B - Building construction guardrail and manufacturing equipment thereof - Google Patents
Building construction guardrail and manufacturing equipment thereof Download PDFInfo
- Publication number
- CN114211374B CN114211374B CN202111609364.6A CN202111609364A CN114211374B CN 114211374 B CN114211374 B CN 114211374B CN 202111609364 A CN202111609364 A CN 202111609364A CN 114211374 B CN114211374 B CN 114211374B
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- Prior art keywords
- pipe fitting
- fixed
- frame
- slotting
- zero positioning
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- 238000009435 building construction Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000009467 reduction Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
Classifications
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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
- B24B27/06—Grinders for cutting-off
-
- 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
- B24B27/0007—Movable machines
-
- 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
- B24B27/06—Grinders for cutting-off
- B24B27/0683—Accessories therefor
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a building construction guardrail, which comprises a pipe fitting and a fastener, wherein an annular limiting groove is formed in a required position of the pipe fitting, and the fastener is arranged at the position of the annular limiting groove. This device still adopts traditional construction guardrail, only improved the pipe fitting in traditional construction guardrail, processing out the annular spacing groove that is used for the location on the pipe fitting, just so can use traditional fastener, and need not to worry the problem of fastener landing, consider the processing degree of difficulty in annular spacing groove on the pipe fitting, the difficult problem of processing in a large number of times in prior art, this scheme has still designed the equipment of processing annular spacing groove to the pipe fitting, through the annular spacing groove on the pipe fitting of processing that this equipment can be quick, and the position can be accurate assurance, processing pipe fitting once can used repeatedly, overall the construction cost of greatly reduced construction unit.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a building construction guardrail and manufacturing equipment thereof.
Background
Building construction guardrail commonly known as scaffold, for example, chinese patent discloses a scaffold, application number: CN201410601008.3, which is formed by connecting pipe fittings via fasteners. The scaffold is convenient to install and widely used at present due to low cost, but the scaffold always has a defect that the prior art cannot solve the problem of the connection stability of the fasteners on the vertical pipe fittings, and because the fasteners in the vertical direction always bear downward pressure, the fasteners close to the bottom bear weight more, the probability of easily sliding downwards is higher, so the prior art can change the fasteners with various structures to increase the friction force between the fasteners and the pipe fittings, and the novel fasteners are relatively high in manufacturing cost and relatively high in price.
Disclosure of Invention
The invention provides a building construction guardrail and manufacturing equipment thereof for effectively solving the problems in the background technology.
The specific technical scheme is as follows;
the utility model provides a construction guardrail, includes pipe fitting and fastener, be equipped with annular spacing groove in required position on the pipe fitting, the position in annular spacing groove is installed to the fastener.
Preferably, the depth of the annular groove is 1-5mm.
The equipment for processing the building construction guardrail comprises a frame, a slotting mechanism, a rotary fixing mechanism and a dimension measuring mechanism, wherein the slotting mechanism, the rotary fixing mechanism and the dimension measuring mechanism are installed on the frame.
Preferably, the slotting mechanism comprises a slotting motor, an electric push rod, a swinging arm bracket, a swinging arm and a slotting wheel; one end of the swing arm is hinged with the movable end of the electric push rod, the body of the electric push rod is hinged to the frame, the slotting motor is fixed to the rear side of the swing arm, the driving sprocket is installed at the output end of the slotting motor, the driven shaft is installed at the other end of the swing arm, the driven sprocket is installed at one end of the driven shaft, the driven sprocket is connected with the driving sprocket through a chain, the slotting wheel is fixed at the other end of the driven shaft, the lower portion of the swing arm is hinged to the swing arm support, and the swing arm support is fixed to the upper portion of the frame.
Preferably, the rotation fixing mechanism comprises a flange plate, a shaft sleeve, a hollow transmission shaft and a rotary motor with a speed reducer; the bottom of axle sleeve is fixed in the frame, the axle center of axle sleeve is perpendicular with the axle center of fluting wheel, hollow transmission shaft passes through the bearing and installs the inside of axle sleeve, the one end of hollow transmission shaft with the ring flange rigid coupling, the middle part of ring flange is equipped with the through-hole, communicates with the inside of hollow transmission shaft, the other end of hollow transmission shaft is fixed with driven gear, the output of reduction gear has the driving gear, driving gear and driven gear pass through the belt and connect, and the rotating electrical machines with the reduction gear is fixed in one side of frame.
Preferably, the dimension measuring mechanism comprises a zero positioning cylinder, a zero positioning disk, a scale locking block, a sliding rail, a sliding seat, a stop block and a stop piece; the zero positioning cylinder is fixed on the frame, the zero positioning cylinder is positioned on one side of the flange plate, the zero positioning plate is fixed on a piston rod of the zero positioning cylinder, and the zero positioning plate can enter an annular limit groove of the pipe fitting under the condition that the zero positioning cylinder extends out, and corresponds to the grooved wheel; the sliding rail is fixed on the frame and is positioned on one side of the zero positioning cylinder, the sliding rail is parallel to the axis of the hollow transmission shaft, the sliding seat is in sliding fit with the sliding rail and is locked by the locking piece, the scale locking piece is fixed on the sliding seat, the scale penetrates through the scale locking piece and is locked by the locking piece, when the zero positioning disk goes deep into the annular limiting groove of the pipe fitting, one end of the scale is propped against the side part of the zero positioning disk, the stop block is fixed on the scale locking piece, one end of the stop block is hinged to the stop block, the stop block is moved, and the stop block falls into the annular limiting groove of the pipe fitting.
Preferably, the outer circumference of the swing arm is provided with a shield.
Preferably, a plurality of pipe supporting mechanisms are arranged on the machine frame in the axial direction at two sides of the hollow transmission shaft, and each pipe supporting mechanism comprises a V-shaped block, a ball, a spring block, a bottom block, a spring and a supporting rod; the ball is respectively inlaid on two side walls of the V-shaped block, the bottom of the V-shaped block is fixed on the spring block, four included angles of the spring block are connected with the bottom block through the supporting rods, and the springs are sleeved on the supporting rods.
Preferably, the scale is provided with a scale.
Preferably, a discharge hole is formed in the frame and is positioned below the flange plate; a discharging pipe is arranged below the discharging hole, the side part of the discharging pipe is connected with the induced draft fan, and a material receiving trolley is arranged below the discharging pipe.
Compared with the prior art, the invention has the beneficial effects that: compared with the prior art, this device has still adopted traditional construction guardrail, only improved the pipe fitting in the traditional construction guardrail, processing has been used for the annular spacing groove of location on the pipe fitting, just so can use traditional fastener, and need not to worry the problem of fastener landing, consider the processing degree of difficulty in annular spacing groove on the pipe fitting, the difficult problem of a large amount of processing in prior art, this scheme has still designed the equipment of processing annular spacing groove to the pipe fitting, can be quick through this equipment processing out the annular spacing groove on the pipe fitting, and the assurance that the position can be accurate, processing pipe fitting once can used repeatedly, overall can greatly reduced the construction cost of construction unit.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a right side view of the present invention;
fig. 6 is a sectional view taken along the direction A-A in fig. 1.
Detailed Description
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.
The following detailed description of the invention refers to the accompanying drawings and preferred embodiments. As shown in fig. 1 to 6, a construction guardrail comprises a pipe fitting 1 and a fastener, wherein an annular limit groove 2 is arranged at a required position on the pipe fitting, and the fastener is arranged at the position of the annular limit groove. The depth of the annular groove is 1-5mm. The fastener can be clamped only by slightly processing the annular limiting groove on the pipe fitting, so that the inventor also invents special processing equipment aiming at the structure to rapidly process the existing pipe fitting, the structure can be widely used, and huge economic benefit is brought. Generally, the fasteners are arranged at the upper, middle and lower parts of the pipe according to different lengths of the pipe, so that the positions of the annular limiting grooves are also arranged at the upper, middle and lower parts of the pipe.
The inventor also invents a device for processing the construction guardrail, which comprises a frame 3, a slotting mechanism 4, a rotation fixing mechanism 5 and a dimension measuring mechanism 6 which are arranged on the frame. The grooving mechanism is mainly used for grooving the pipe fitting, the rotary fixing mechanism is used for clamping and fixing the pipe fitting, so that the pipe fitting rotates, the annular limiting grooves are machined under the action of the grooving mechanism, and the size measuring mechanism is mainly used for measuring the distance between two adjacent annular limiting grooves, so that the positions of the annular limiting grooves are kept consistent.
As shown in fig. 4, the slotting mechanism comprises a slotting motor 41, an electric push rod 42, a swinging arm bracket 43, a swinging arm 44 and a slotting wheel 45; one end of the swing arm is hinged with the movable end of the electric push rod, the body of the electric push rod is hinged to the frame, the slotting motor is fixed to the rear side of the swing arm, a driving sprocket 46 is installed at the output end of the slotting motor, a driven shaft 47 is installed at the other end of the swing arm, a driven sprocket 48 is installed at one end of the driven shaft, the driven sprocket is connected with the driving sprocket through a chain 49, the slotting wheel is fixed at the other end of the driven shaft, the lower portion of the swing arm is hinged to the swing arm support, and the swing arm support is fixed to the upper portion of the frame. In order to protect the interior from dust, the outer circumference of the swing arm is provided with a shield 40. The electric push rod is adopted in the invention, so that the moving distance of the swing arm can be accurately controlled, and the grooving depth of the grooved wheel on the pipe fitting can be accurately controlled. When the electric push rod is used, one end of the swing arm is driven to move up and down by the electric push rod, the swing arm rotates by taking the swing arm bracket as the center, the slotting wheel at the other side is driven to move up and down, the slotting motor drives the slotting wheel to rotate through the chain, and the electric push rod is similar to the grinding wheel, and an annular limiting groove with the diameter of about 1mm is formed in the periphery of a pipe fitting. The depth is not too deep, and the buckle can be limited only by the annular limiting groove.
As shown in fig. 5, the rotation fixing mechanism includes a flange plate 51, a sleeve 52, a hollow transmission shaft 53, and a rotary motor 55 with a decelerator 54 in order to enable the pipe member to rotate; the bottom of axle sleeve is fixed in the frame, the axle center of axle sleeve is perpendicular with the axle center of fluting wheel, hollow transmission shaft passes through the bearing and installs the inside of axle sleeve, the one end of hollow transmission shaft with the ring flange rigid coupling, the middle part of ring flange is equipped with the through-hole, communicates with the inside of hollow transmission shaft, the other end of hollow transmission shaft is fixed with driven gear 56, the output of reduction gear has driving gear 57, driving gear and driven gear pass through belt 58 and connect, and the rotating electrical machines with the reduction gear is fixed in one side of frame. The pipe fitting enters the lower part of the slotting wheel from the inside of the hollow transmission shaft. The pipe fitting stretches into the flange plate from one side of the hollow transmission shaft first, after a certain distance is extended, the flange plate clamps the pipe fitting, the pipe fitting at the moment is fixed by the flange plate, meanwhile, two sides of the pipe fitting are supported by the pipe fitting supporting mechanism, the speed reducer drives the hollow transmission shaft to rotate through the belt, the hollow transmission shaft drives the flange plate to rotate, and accordingly the pipe fitting is driven to rotate, and an annular limiting groove is machined in a position, corresponding to the grooving wheel, of the pipe fitting.
As a further improvement in the present invention, as shown in fig. 1 and 6, since the positions of the annular limiting grooves on the pipe are not random and the distances between the adjacent annular grooves are always consistent, the present invention designs a dimension measuring mechanism comprising a zero point positioning cylinder 61, a zero point positioning disk 62, a scale 63, a scale locking block 64, a slide rail 65, a slide carriage 66, a stopper 67 and a stopper 68; the zero positioning cylinder is fixed on the frame, the zero positioning cylinder is positioned on one side of the flange plate, the zero positioning plate is fixed on a piston rod of the zero positioning cylinder, and the zero positioning plate can enter an annular limit groove of the pipe fitting under the condition that the zero positioning cylinder extends out, and corresponds to the grooved wheel; the sliding rail is fixed on the frame and is positioned at one side of the zero positioning cylinder, the sliding rail is parallel to the axis of the hollow transmission shaft, the sliding seat is in sliding fit with the sliding rail and is locked by the locking piece, the scale locking piece is fixed on the sliding seat, the scale penetrates through the scale locking piece and is locked by the locking piece, and the scale is provided with scales. When the zero positioning disc goes deep into the annular limiting groove of the pipe fitting, one end of the scale is propped against the side part of the zero positioning disc, the stop block is fixed on the scale locking block, one end of the stop piece is hinged on the stop block, the stop piece is moved, and the stop piece falls into the annular limiting groove of the pipe fitting. For example, a 3 m pipe fitting is required to be processed into annular limiting grooves at the upper, middle and lower positions, when the size measuring mechanism is used, a zero positioning cylinder is started to drive a zero positioning disk to extend, the front end of a scale is propped against the zero positioning disk, a sliding seat is moved leftwards, the scale is kept motionless, the stop block and the sliding seat are locked when the right side of the stop block moves to the position of 2 m on the scale, the zero positioning cylinder drives the zero positioning disk to retract, the distance between annular grooves is determined, the pipe fitting is firstly inserted from the right side of a flange plate during subsequent reprocessing, the front end of the pipe fitting is positioned below a grooved wheel, an annular limiting groove is firstly processed, then the flange plate is loosened, the pipe fitting is moved leftwards, when the first annular limiting groove of the pipe fitting is positioned below a baffle plate, the baffle plate is stirred, the baffle plate falls into the annular limiting groove, at the moment, the second annular limiting groove is processed again, and the third annular limiting groove is processed in this way. The positions among the three annular limiting grooves are fixed, so that the whole pipe fitting cannot incline after being assembled.
As shown in fig. 6, in order to support the pipe, a plurality of pipe supporting mechanisms 7 are arranged on the machine frame in the axial direction at two sides of the hollow transmission shaft, and each pipe supporting mechanism comprises a V-shaped block 71, a ball 72, a spring block 73, a bottom block 74, a spring 75 and a supporting rod 76; the ball is respectively inlaid on two side walls of the V-shaped block, the bottom of the V-shaped block is fixed on the spring block, four included angles of the spring block are connected with the bottom block through the supporting rods, and the springs are sleeved on the supporting rods. The weight of the pipe is buffered by the spring.
As shown in fig. 4, in order to clean dust and waste materials generated by processing and prevent air pollution, a discharge hole 8 is formed in the frame and is positioned below the flange plate; a discharging pipe 9 is arranged below the discharging hole, the side part of the discharging pipe is connected with a draught fan, and a receiving trolley 10 is arranged below the discharging pipe. The receiving trolley can directly collect waste materials, so that polluted air is effectively prevented.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The equipment for processing the construction guardrail is characterized by comprising a pipe fitting and a fastener, wherein the pipe fitting is provided with annular limiting grooves at required positions, the fastener is arranged at the positions of the annular limiting grooves, the equipment comprises a frame, a slotting mechanism, a rotary fixing mechanism and a size measuring mechanism, wherein the slotting mechanism is arranged on the frame and used for slotting the pipe fitting, the rotary fixing mechanism is used for clamping and fixing the pipe fitting so as to enable the pipe fitting to rotate, the annular limiting grooves are processed under the action of the slotting mechanism, and the size measuring mechanism is used for measuring the distance between two adjacent annular limiting grooves so as to keep the positions of the annular limiting grooves consistent;
the slotting mechanism comprises a slotting motor, an electric push rod, a swinging arm bracket, a swinging arm and a slotting wheel; one end of the swing arm is hinged with the movable end of the electric push rod, the body of the electric push rod is hinged on the frame, the slotting motor is fixed on the rear side of the swing arm, the output end of the slotting motor is provided with a driving sprocket, the other end of the swing arm is provided with a driven shaft, one end of the driven shaft is provided with a driven sprocket, the driven sprocket is connected with the driving sprocket through a chain, the other end of the driven shaft is fixed with the slotting wheel, the lower part of the swing arm is hinged with the swing arm bracket, and the swing arm bracket is fixed on the upper part of the frame;
the rotary fixing mechanism comprises a flange plate, a shaft sleeve, a hollow transmission shaft and a rotary motor with a speed reducer; the bottom of the shaft sleeve is fixed on the frame, the shaft center of the shaft sleeve is vertical to the shaft center of the grooved wheel, the hollow transmission shaft is arranged in the shaft sleeve through a bearing, one end of the hollow transmission shaft is fixedly connected with the flange plate, a through hole is formed in the middle of the flange plate and is communicated with the inside of the hollow transmission shaft, a driven gear is fixed at the other end of the hollow transmission shaft, a driving gear is arranged at the output end of the speed reducer, the driving gear is connected with the driven gear through a belt, and a rotating motor with the speed reducer is fixed on one side of the frame;
the dimension measuring mechanism comprises a zero positioning cylinder, a zero positioning disk, a scale locking block, a sliding rail, a sliding seat, a stop block and a stop piece; the zero positioning cylinder is fixed on the frame, the zero positioning cylinder is positioned on one side of the flange plate, the zero positioning plate is fixed on a piston rod of the zero positioning cylinder, and the zero positioning plate can enter an annular limit groove of the pipe fitting under the condition that the zero positioning cylinder extends out, and corresponds to the grooved wheel; the sliding rail is fixed on the frame and is positioned on one side of the zero positioning cylinder, the sliding rail is parallel to the axis of the hollow transmission shaft, the sliding seat is in sliding fit with the sliding rail and is locked by the locking piece, the scale locking piece is fixed on the sliding seat, the scale penetrates through the scale locking piece and is locked by the locking piece, when the zero positioning disk goes deep into the annular limiting groove of the pipe fitting, one end of the scale is propped against the side part of the zero positioning disk, the stop block is fixed on the scale locking piece, one end of the stop block is hinged to the stop block, the stop block is moved, and the stop block falls into the annular limiting groove of the pipe fitting.
2. The apparatus for manufacturing a construction fence according to claim 1, characterized in that the depth of the annular limiting groove is 1-5mm.
3. The apparatus for manufacturing a construction fence according to claim 1, wherein the outer circumference of the swing arm is provided with a shield.
4. The apparatus for manufacturing a construction guardrail according to claim 1, wherein a plurality of pipe supporting mechanisms are provided on the frame in the axial direction at both sides of the hollow transmission shaft, the pipe supporting mechanisms including V-shaped blocks, balls, spring blocks, bottom blocks, springs and supporting rods; the ball is respectively inlaid on two side walls of the V-shaped block, the bottom of the V-shaped block is fixed on the spring block, four included angles of the spring block are connected with the bottom block through the supporting rods, and the springs are sleeved on the supporting rods.
5. The apparatus for manufacturing a construction fence of claim 1, wherein the scale has graduations thereon.
6. The apparatus for manufacturing a building construction guardrail according to claim 1, wherein a discharge port is formed in the frame, and the discharge port is located below the flange; a discharging pipe is arranged below the discharging hole, the side part of the discharging pipe is connected with the induced draft fan, and a material receiving trolley is arranged below the discharging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111609364.6A CN114211374B (en) | 2021-12-27 | 2021-12-27 | Building construction guardrail and manufacturing equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111609364.6A CN114211374B (en) | 2021-12-27 | 2021-12-27 | Building construction guardrail and manufacturing equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114211374A CN114211374A (en) | 2022-03-22 |
| CN114211374B true CN114211374B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111609364.6A Active CN114211374B (en) | 2021-12-27 | 2021-12-27 | Building construction guardrail and manufacturing equipment thereof |
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| Country | Link |
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| CN (1) | CN114211374B (en) |
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2021
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| GB149401A (en) * | 1919-04-24 | 1920-08-09 | Fitz Empire Dble Pivot Last Co | Improvements in or relating to copying lathes or the like |
| WO1997005992A1 (en) * | 1995-08-10 | 1997-02-20 | Lawrence Paper Company | Slotter wheel mechanism having selectively rotatable slotter blades |
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| CN201809959U (en) * | 2010-08-12 | 2011-04-27 | 张健华 | Full-door scaffold support system |
| CN202416844U (en) * | 2011-12-21 | 2012-09-05 | 北京万峰建筑技术发展有限公司 | Butting fastener for construction lifting scaffold |
| CN202689515U (en) * | 2012-07-18 | 2013-01-23 | 湖南长大建设集团股份有限公司 | Embedded connecting device for concrete building scaffold |
| CN105803944A (en) * | 2016-03-24 | 2016-07-27 | 王道领 | Scaffold for road and bridge construction |
| CN106703405A (en) * | 2017-01-09 | 2017-05-24 | 杨秀峰 | Socket-keyslot intelligent monitoring support frame |
| CN207017623U (en) * | 2017-04-20 | 2018-02-16 | 云南捷能模架工程有限公司 | It is a kind of can be with the cross bar of adjustment length |
| CN108222491A (en) * | 2018-02-01 | 2018-06-29 | 温州市东海建筑安装工程有限公司 | A kind of civil engineering means for fastening scaffolding |
| CN108868088A (en) * | 2018-08-31 | 2018-11-23 | 浙江新盛建设集团有限公司 | A kind of the three-dimensional telescopic foot hand cradle and its application method of convertible movement |
| CN209384606U (en) * | 2018-11-08 | 2019-09-13 | 中建五局华东建设有限公司 | A kind of adjustable Super High scaffold |
| CN215254515U (en) * | 2021-07-22 | 2021-12-21 | 南通建清建设工程有限公司 | High-altitude scaffold impact-resistant cross rod |
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| CN114211374A (en) | 2022-03-22 |
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