CN109868988A - A kind of scaffold final door frame and its production equipment - Google Patents
A kind of scaffold final door frame and its production equipment Download PDFInfo
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- CN109868988A CN109868988A CN201910073624.9A CN201910073624A CN109868988A CN 109868988 A CN109868988 A CN 109868988A CN 201910073624 A CN201910073624 A CN 201910073624A CN 109868988 A CN109868988 A CN 109868988A
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- door frame
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Abstract
The invention discloses a kind of scaffold final door frame and its production equipments of door frame technical field, including bottom plate, the bottom four corners of the bottom plate are welded with supporting leg, the outer wall of the supporting leg is socketed with support device, a kind of production equipment of the final door frame of scaffold, top including workbench described in workbench is fixed, and there are two the support frames being laterally arranged, the final door frame of the scaffold, support device is increased on supporting leg, substantially increase the stability of door frame, and support device is rotatable, Support Position can be changed according to using area, vertical bar at the top of bottom plate is foldable, occupied space can be reduced after folding, multiple cross bars are equipped in the inside of vertical bar simultaneously, it is used not only for setting up pedal, also with the effect of ladder, the door frame production equipment, multiple metal circular tubes can be cut simultaneously, after cutting Can end to pipe fitting carry out polishing deburring simultaneously, improve whole processing efficiency, reduce the labor intensity of worker.
Description
Technical field
The present invention relates to door frame technical field, specially a kind of scaffold final door frame and its production equipment.
Background technique
Door frame is one of most widely used scaffold in scaffold for building.Since body frame is in " door " font, so being known as
Gate-type or scaffolding, also referred to as scaffold or portal frame.This scaffold mainly by main frame, horizontal frame, counterbracing, scaffold board,
The composition such as adjustable base.Door-type scaffold is a kind of construction tool that the U.S. succeeds in developing first at the fifties end.
However the support construction of existing most of its bottom of door frame is limited, can carry there is unstable phenomenon when use
There is certain security risk when weight is larger, this outer mast occupied space in storage is larger, not convenient enough, door frame when use
Usually formed by a large amount of metal circular tube welding assembly, thus production and processing link need to cut metal circular tube,
Flash removed and etc., traditional production method is dependent on artificial cutting metal circular tube, and the pipe fitting after cutting is needed to its end
Interior and exterior remove flash removed, using manual type, not only efficiency is more low, and labor intensity is relatively high, and it is necessary to right thus
It is improved.
Summary of the invention
The purpose of the present invention is to provide a kind of scaffold final door frames and its production equipment, to solve above-mentioned background skill
The existing door frame underbraced proposed in art, occupied space is big, makes the high problem of the low efficiency of door frame, labor intensity.
To achieve the above object, the present invention provides a kind of scaffold final door frame, including bottom plate, the bottom of the bottom plate
Quadrangle is welded with supporting leg, and the outer wall of the supporting leg is socketed with support device, and the top quadrangle of the bottom plate is hinged with
Vertical bar is hinged with folding retractable bar on rear side of the vertical bar, and the other end of folding retractable bar and the bottom plate are hinged, described perpendicular
The top of bar is equipped with pedal, and the inside of the vertical bar is uniformly connected with cross bar, and the pedal is snapped in cross bar described in top side
Top, the support device include two casings and a thread bush, and two described sleeve pipes are vertically arranged, and two described sleeve pipes are equal
It is socketed on the outer wall of the supporting leg, the bottom of the thread bush is plugged with screw rod by screw thread, and the top of the screw rod is run through
The top of the thread bush is respectively connected with pull rod, the right side grafting of described sleeve pipe between the thread bush and two described sleeve pipes
There is fastening bolt, the inside of the fastening bolt is contacted through described sleeve pipe and with the outer wall of the supporting leg.
Preferably, the bottom of the supporting leg is fixed with universal wheel by screw, and the universal wheel is nylon universal wheel.
Preferably, the folding retractable bar includes casing and telescopic rod, and described sleeve pipe pivot bush unit is in the telescopic rod
Outer wall offers circular hole at the top of the telescopic rod, and the top left side of described sleeve pipe is connected with sleeve, and the inner cavity of the sleeve is living
Dynamic to be socketed with pin shaft, the outer wall of the pin shaft is socketed with baffle ring and compressed spring, and the bottom of the compressed spring is connected to described
The top of baffle ring is connected to the inner cavity top of the sleeve at the top of the compressed spring, and the bottom end of the pin shaft is through described
The bottom end of sleeve and casing, the pin shaft is located in the circular hole, and the top of the pin shaft through the sleeve and is connected with drawing
Ring.
Preferably, the bottom four corners of the pedal are equipped with fixture block, and the bottom of the fixture block offers arc-shaped slot, described
Fixture block is snapped in the top of the cross bar by arc-shaped slot.
The present invention also provides a kind of scaffold production equipment of final door frame, the top including workbench described in workbench
It is fixed there are two the support frame being laterally arranged, be welded with fixed frame, the top installation of the fixed frame on rear side of the workbench
There is pneumatic cylinder, the bottom push rod of the pneumatic cylinder runs through the fixed frame, and the bottom push rod of the pneumatic cylinder is connected with pressing plate, institute
The surface that pressing plate is located at right side support frame as described above is stated, the front and rear sides of the workbench offer sliding slot, front and rear sides institute
It states active card between sliding slot and is buckled with sliding rack, the front and rear sides of the sliding rack are plugged with fixing bolt, the fixing bolt
Inside run through the sliding rack and the outer side contacts with the workbench, be fixed with electronic slide unit at the top of the sliding rack,
The right side sliding block of the electronic slide unit is fixed with right angle motor, and the left side power output shaft outer wall of the right angle motor is equipped with saw
Disk, the top right side installation of the workbench is there are two guide rail, setting before and after two guide rails, former and later two described guide rails it
Between right side active card be buckled with movable stand, the top front-rear direction of the movable stand is uniformly fixed with decelerating motor, the deceleration
The left side power output shaft of motor runs through the movable stand, and the left side power output shaft of the decelerating motor is equipped with polishing pad,
The polishing pad includes disk body, and the disk body is socketed on the left side power output shaft outer wall of the decelerating motor, the disk body
Left side offers annular groove between the disk body and taper polishing column integrally formed with taper polishing column.
Preferably, the bottom four corners of the workbench pass through screw and are fixed with damper, and the damper subtracts for spring
Shake device.
Preferably, the top right side of the guide rail is welded with block, and the block is located at the right side of the movable stand.
Preferably, groove is uniformly provided at the top of support frame as described above.
Compared with prior art, the beneficial effects of the present invention are: the final door frame of the scaffold, increases on supporting leg
Support device substantially increases the stability of door frame, and support device is rotatable, can change support level according to using area
It sets, the vertical bar at the top of bottom plate is foldable, occupied space can be reduced after folding, while being equipped with multiple cross bars in the inside of vertical bar,
It is used not only for setting up pedal, also with the effect of ladder, which can be simultaneously to multiple metal circular tubes
Cut, after cutting can end to pipe fitting carry out polishing deburring simultaneously, improve whole processing efficiency, reduce work
The labor intensity of people.
Detailed description of the invention
Fig. 1 is the final portal-framed structure schematic diagram of the present invention；
Fig. 2 is vertical bar right view of the present invention；
Fig. 3 is support device structure diagram of the present invention；
Fig. 4 is folding retractable rod structure schematic diagram of the present invention；
Fig. 5 is production equipment structural schematic diagram of the present invention；
Fig. 6 is sliding rack right view of the present invention；
Fig. 7 is polishing pad cross-sectional view of the present invention；
Fig. 8 is support frame right view of the present invention.
In figure: 1 bottom plate, 2 supporting legs, 201 universal wheels, 3 support devices, 31 casings, 32 thread bush, 33 screw rods, 34 pull rods,
35 fastening bolts, 4 vertical bars, 5 folding retractable bars, 51 casings, 52 telescopic rods, 53 circular holes, 54 sleeves, 55 pin shafts, 56 baffle rings, 57 pressures
Contracting spring, 58 pull rings, 6 pedals, 7 cross bars, 100 workbench, 101 support frames, 102 fixed frames, 103 pneumatic cylinders, 104 pressing plates, 105
Sliding slot, 106 sliding racks, 107 fixing bolts, 108 electronic slide units, 109 right angle motors, 110 saw discs, 111 guide rails, 112 movable stands,
It is 113 decelerating motors, 114 polishing pads, 115 dampers, 116 blocks, 117 disk bodies, 118 tapers polishing column, 119 annular grooves, 120 recessed
Slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of scaffold final door frame, improves the stability of door frame, can be changed according to using area
Become Support Position, there is folder function, occupied space can be reduced after folding, also comes with function of ladder, please refers to Fig. 1-4,
Including bottom plate 1, the bottom four corners of bottom plate 1 are welded with the supporting leg 2 for being used to support bottom plate 1, and the outer wall of supporting leg 2 is socketed with branch
Support arrangement 3, support device 3 expand support range, so that the entirety of door frame is more firm, support device 3 is rotatable, is encountering
When the place of some narrow spaces, it can be rotated to change Support Position, the top quadrangle of bottom plate 1 is hinged with vertical bar
4, the rear side of vertical bar 4 is hinged with folding retractable bar 5, and the other end of folding retractable bar 5 and bottom plate 1 are hinged, when folding inwardly
Vertical bar 4 is pushed, folding retractable bar 5 can be shunk under the promotion of vertical bar 4, and the top of vertical bar 4 is equipped with the pedal for trampling
6, the inside uniform welding of vertical bar 4 has cross bar 7, and cross bar 7, which is vertically uniformly distributed, can be used as ladder use, and pedal 6 is snapped in most upper
The top of side cross bar 7, the bottom four corners of pedal 6 are equipped with fixture block, and the bottom of fixture block offers arc-shaped slot, and fixture block passes through arc
Card slot is snapped in the top of cross bar 7, and the placement location of pedal 6 is simultaneously not fixed, and can place it in arbitrary cross bar 7 according to demand
On, support device 3 includes two casings 31 and a thread bush 32, and two casings 31 are vertically arranged, and two casings 31 are socketed
Screw rod 33 is plugged with by screw thread in the bottom of the outer wall of supporting leg 2, thread bush 32, its overhang is adjusted in rotary screw 33,
And then its height can be adjusted, the top of thread bush 32 is run through at the top of screw rod 33, between thread bush 32 and two casings 31
Be connected with pull rod 34, the right side of casing 31 is plugged with fastening bolt 35, the inside of fastening bolt 35 through casing 31 and with support
The outer wall of leg 2 contacts, and casing 31 can be fixed on supporting leg 2 by tightening or unclamping fastening bolt 35, according to need when use
It asks and adjusts its position, tighten fastening bolt 35 again later, by the screw rod 33 on rotation thread bush 32, its stretching can be made, work as silk
The bottom end of bar 33 when being contacted with ground, can play a supporting role, referring to Fig. 1, the bottom of supporting leg 2 is fixed by screw
There is universal wheel 201, by the setting of universal wheel 201, easily door frame can be pushed to be moved, universal wheel 201 is that nylon is universal
Wheel, nylon universal wheel have preferable wearability, referring to Fig. 4, folding retractable bar 5 includes casing 51 and telescopic rod 52, casing
For 51 pivot bush units in the outer wall of telescopic rod 52, the top of telescopic rod 52 offers circular hole 53, and the top left side of casing 51 is connected with
Sleeve 54, the inner cavity movable sleeve of sleeve 54 are connected to pin shaft 55, and the outer wall of pin shaft 55 is socketed with baffle ring 56 and compressed spring 57, compression
The bottom of spring 57 is connected to the top of baffle ring 56, and the top of compressed spring 57 is connected to the inner cavity top of sleeve 54, pin shaft 55
Bottom end run through sleeve 54 and casing 51, the bottom end of pin shaft 55 is located in circular hole 53, and the top of pin shaft 55 is through sleeve 54 and company
It is connected to pull ring 58, telescopic rod 52 can be inserted on telescopic rod 52 in the inner cavity free extension of casing 51, the bottom end of pin shaft 55
It in circular hole 53, is fixed for the position to telescopic rod 52, when folding, pulls out pull ring 58 and drive the bottom end of pin shaft 55 de-
Circular hole 53 is opened, telescopic rod 52 can be enable to retract the inner cavity of casing 51, when expansion pulls out telescopic rod 52, and telescopic rod 52 is stretched
Out, when the circular hole 53 on telescopic rod 52 moves at pin shaft 55, the bottom end of pin shaft 55 can be in the effect of 57 elastic force of compressed spring
Under be reinserted into circular hole 53, fix telescopic rod 52.
Its position can be adjusted according to place demand rotation support device 3 when use, fastening bolt 35 be tightened again later, by it
Fix, rotate thread bush 32 on screw rod 33, its stretching can be made, when the bottom end of screw rod 33 when being contacted with ground, can rise
To supporting role, door frame is supported jointly using support device 3 and supporting leg 2, expands support range, so that door frame
It is whole more firm, when folding, pedal 6 is removed, pull ring 58 is pulled out and the bottom end of pin shaft 55 is driven to disengage circular hole 53, can make to stretch
Contracting bar 52 can retract the inner cavity of casing 51, push vertical bar 4 inwardly, and folding retractable bar 5 can be received under the promotion of vertical bar 4
Contracting, can reduce its occupied space after folding.
The present invention also provides a kind of scaffold production equipments of final door frame, can carry out simultaneously to multiple metal circular tubes
Cutting, after cutting can end to pipe fitting carry out polishing deburring simultaneously, improve whole processing efficiency, reduce worker's
Labor intensity please refers to Fig. 4-8, and the top including 100 workbench 100 of workbench is welded with two support frames being laterally arranged
101, metal circular tube is placed on the top of support frame 101 by when use, and support frame 101 is used to support metal circular tube, workbench 100
Rear side be welded with fixed frame 102, the top of fixed frame 102 is equipped with pneumatic cylinder 103, and the bottom push rod of pneumatic cylinder 103 runs through
Fixed frame 102, the bottom push rod of pneumatic cylinder 103 are connected with pressing plate 104, and pressing plate 104 is located at the surface of Right side support frame 101,
When opening pneumatic cylinder 103, the bottom push rod of pneumatic cylinder 103, which stretches out, pushes pressing plate 104 to push, and can will be placed on branch by its pushing
The metal circular tube at 101 top of support is fixed, and the front and rear sides of workbench 100 offer sliding slot 105, front and rear sides sliding slot
Active card is buckled with sliding rack 106 between 105, and the front and rear sides of sliding rack 106 are plugged with fixing bolt 107, fixing bolt 107
Inside run through sliding rack 106 and the outer side contacts with workbench 100, sliding rack 106 can horizontally slip in sliding slot 105, lead to
It crosses and tightens fixing bolt 107 and can be fixed, the top of sliding rack 106 is fixed with electronic slide unit 108, electronic slide unit 108
Right side sliding block is fixed with right angle motor 109, and the left side power output shaft outer wall of right angle motor 109 is equipped with saw disc 110, electric sliding
Platform 108 uses screw type, and by motor driving screw mechanism rotation, sliding block mounted thereto can move in a straight line, can pass through
The sliding block of electronic slide unit 108 drives the saw disc 110 on right angle motor 109 is for linear motion to cut to metal circular tube, works
The top right side of platform 100 there are two guide rail 111, is arranged, former and later two guide rails 111 by screw installation before and after two guide rails 111
Between right side active card be buckled with movable stand 112, movable stand 112 can move left and right on guide rail 111, the top of movable stand 112
Front-rear direction is uniformly fixed with decelerating motor 113, and the left side power output shaft of decelerating motor 113 runs through movable stand 112, and slow down electricity
The left side power output shaft of machine 113 is equipped with polishing pad 114, drives the rotation of polishing pad 114 to polish by decelerating motor 113
Deburring, polishing pad 114 include disk body 117, and disk body 117 is socketed on the left side power output shaft outer wall of decelerating motor 113, disk body
117 left side offers annular groove 119 between disk body 117 and taper polishing column 118, beats integrally formed with taper polishing column 118
Mill 114 uses diamond abrasive to be integrally formed for polishing the end of metal circular tube, by disk body 117 when polishing
On taper polishing column 118 be inserted into metal circular tube inner cavity, the at this time inner cavity top of the end outer wall of metal circular tube and annular groove 119
Contact, annular groove 119 rotate when can the end outer wall to metal circular tube polish, taper polish column 118 rotate when can be to gold
The inner wall of end polishing for belonging to round tube, carries out polishing deburring so as to the end to metal circular tube, please refers to Fig. 5, Fig. 6, work
The bottom four corners for making platform 100 pass through screw and are fixed with damper 115, and damper 115 is spring cushion, and damper 115 rises
To damping effect, avoid the vibration of workbench 100 excessive, referring to Fig. 5, the top right side of guide rail 111 is welded with block 116,
Block 116 is located at the right side of movable stand 112, and movable stand 112 can slide on guide rail 111, and block 116 is located at the end of guide rail 111
Portion prevents its from disengaging guide rail 111 for stopping movable stand 112, referring to Fig. 8, the top of support frame 101 be uniformly provided with it is recessed
Slot 120, groove 120 play certain position-limiting action to it for placing metal circular tube.
Metal circular tube is placed in the groove 120 on support frame 101 when use, can be put simultaneously equipped with multiple grooves 120
More metal circular tubes are set, pneumatic cylinder 103 is opened, the bottom push rod of pneumatic cylinder 103, which stretches out, pushes pressing plate 104 to push, and will be placed on
The metal circular tube at 101 top of support frame is fixed, and is moved left and right sliding rack 106 and is adjusted its cutting position, twists after adjustment
Fastening bolt 107 can be fixed, and open right angle motor 109, drive saw disc 110 to rotate using right angle motor 109, then lead to
The sliding block for crossing electronic slide unit 108 drives the saw disc 110 on right angle motor 109 is for linear motion to cut to metal circular tube, right
When its end deburring, decelerating motor 113 is opened, decelerating motor 113 can drive polishing pad 114 to rotate, push movable stand to the left
112, taper polishing column 118 is inserted into metal circular tube inner cavity, the inner cavity of the end outer wall of metal circular tube and annular groove 119 is pushed up at this time
Portion contact, annular groove 119 rotate when can the end outer wall to metal circular tube polish, taper polish column 118 rotate when can be right
The inner wall of end of metal circular tube is polished, and carries out polishing deburring so as to the end to metal circular tube.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of final door frame of scaffold, it is characterised in that: including bottom plate (1), the bottom four corners of the bottom plate (1) are welded
Have supporting leg (2), the outer wall of the supporting leg (2) is socketed with support device (3), and the top quadrangle of the bottom plate (1) is hinged
Have vertical bar (4), be hinged with folding retractable bar (5) on rear side of the vertical bar (4), and the other end of folding retractable bar (5) with it is described
Hingedly, the top of the vertical bar (4) is equipped with pedal (6) to bottom plate (1), and the inside of the vertical bar (4) is uniformly connected with cross bar (7),
The pedal (6) is snapped in the top of cross bar described in top side (7), and the support device (3) includes two casings (31) and one
A thread bush (32), two described sleeve pipes (31) are vertically arranged, and two described sleeve pipes (31) are socketed on the supporting leg (2)
The bottom of outer wall, the thread bush (32) is plugged with screw rod (33) by screw thread, and the spiral shell is run through at the top of the screw rod (33)
The top of line set (32) is respectively connected with pull rod (34), described sleeve pipe between the thread bush (32) and two described sleeve pipes (31)
(31) be plugged on the right side of fastening bolt (35), the inside of the fastening bolt (35) through described sleeve pipe (31) and with the branch
The outer wall of support leg (2) contacts.
2. a kind of final door frame of scaffold according to claim 1, it is characterised in that: the bottom of the supporting leg (2)
It is fixed with universal wheel (201) by screw, the universal wheel (201) is nylon universal wheel.
3. a kind of final door frame of scaffold according to claim 1, it is characterised in that: folding retractable bar (5) packet
Casing (51) and telescopic rod (52) are included, described sleeve pipe (51) pivot bush unit is in the outer wall of the telescopic rod (52), the telescopic rod
(52) it is offered at the top of circular hole (53), the top left side of described sleeve pipe (51) is connected with sleeve (54), the sleeve (54)
Inner cavity movable sleeve is connected to pin shaft (55), and the outer wall of the pin shaft (55) is socketed with baffle ring (56) and compressed spring (57), the pressure
The bottom of contracting spring (57) is connected to the top of the baffle ring (56), is connected to the sleeve at the top of the compressed spring (57)
(54) sleeve (54) and casing (51), the bottom of the pin shaft (55) are run through in the bottom end of inner cavity top, the pin shaft (55)
End is located in the circular hole (53), and the top of the pin shaft (55) through the sleeve (54) and is connected with pull ring (58).
4. a kind of final door frame of scaffold according to claim 1, it is characterised in that: the bottom four of the pedal (6)
Angle is equipped with fixture block, and the bottom of the fixture block offers arc-shaped slot, and the fixture block is snapped in the cross bar by arc-shaped slot
(7) top.
5. a kind of scaffold production equipment of final door frame, it is characterised in that: including workbench (100) workbench
(100) top is fixed there are two the support frame (101) being laterally arranged, and is welded with fixed frame on rear side of the workbench (100)
(102), it is equipped with pneumatic cylinder (103) at the top of the fixed frame (102), the bottom push rod of the pneumatic cylinder (103) runs through institute
It states fixed frame (102), the bottom push rod of the pneumatic cylinder (103) is connected with pressing plate (104), and the pressing plate (104) is located at right side
The front and rear sides of the surface of support frame as described above (101), the workbench (100) offer sliding slot (105), front and rear sides institute
It states active card between sliding slot (105) to be buckled with sliding rack (106), the front and rear sides of the sliding rack (106) are plugged with fixed spiral shell
The sliding rack (106) and outer the flanking with the workbench (100) are run through in the inside of bolt (107), the fixing bolt (107)
It touches, is fixed with electronic slide unit (108) at the top of the sliding rack (106), the right side sliding block of the electronic slide unit (108) is fixed with
The left side power output shaft outer wall of right angle motor (109), the right angle motor (109) is equipped with saw disc (110), the workbench
(100) there are two guide rail (111), two guide rails (111) front and back settings, former and later two described guide rails for top right side installation
(111) the right side active card between is buckled with movable stand (112), and the top front-rear direction of the movable stand (112) is uniformly fixed with
The left side power output shaft of decelerating motor (113), the decelerating motor (113) runs through the movable stand (112), the deceleration electricity
The left side power output shaft of machine (113) is equipped with polishing pad (114), and the polishing pad (114) includes disk body (117), the disk
Body (117) is socketed on the left side power output shaft outer wall of the decelerating motor (113), the left side one of the disk body (117) at
Type has taper to polish column (118), offers annular groove (119) between the disk body (117) and taper polishing column (118).
6. a kind of production equipment of the final door frame of scaffold according to claim 5, it is characterised in that: the workbench
(100) bottom four corners pass through screw and are fixed with damper (115), and the damper (115) is spring cushion.
7. a kind of production equipment of the final door frame of scaffold according to claim 5, it is characterised in that: the guide rail
(111) top right side is welded with block (116), and the block (116) is located at the right side of the movable stand (112).
8. a kind of production equipment of the final door frame of scaffold according to claim 5, it is characterised in that: support frame as described above
(101) groove (120) are uniformly provided at the top of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073624.9A CN109868988A (en) | 2019-01-25 | 2019-01-25 | A kind of scaffold final door frame and its production equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073624.9A CN109868988A (en) | 2019-01-25 | 2019-01-25 | A kind of scaffold final door frame and its production equipment |
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| CN109868988A true CN109868988A (en) | 2019-06-11 |
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ID=66918060
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073624.9A Pending CN109868988A (en) | 2019-01-25 | 2019-01-25 | A kind of scaffold final door frame and its production equipment |
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| CN110293596A (en) * | 2019-07-20 | 2019-10-01 | 江苏维乐益生食品科技有限公司 | A kind of food processing cane segmentizing unit |
| CN111350341A (en) * | 2020-03-13 | 2020-06-30 | 泉州市汇达工业设计有限公司 | Safety protection structure of hanging basket for outer wall construction |
| CN112879493A (en) * | 2021-01-25 | 2021-06-01 | 吴志军 | Pushing structure with adjustable inside angle |
| CN113047591A (en) * | 2021-03-19 | 2021-06-29 | 中建一局集团第五建筑有限公司 | Pull-up type overhanging scaffold |
| CN113275796A (en) * | 2021-05-24 | 2021-08-20 | 襄阳新金开泵业有限公司 | High-universality protective mask structure, assembling machine and protective method |
| CN113299125A (en) * | 2021-06-16 | 2021-08-24 | 华北理工大学 | Multifunctional display device for teaching of economic major |
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| CN108213975A (en) * | 2018-02-27 | 2018-06-29 | 钱富良 | A kind of steel pipe's production processing cutting polishing integrated machine |
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| CN109202450A (en) * | 2018-11-05 | 2019-01-15 | 无锡华联科技集团有限公司 | Steel pipe automatically grinding cutting machine |
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Application publication date: 20190611 |