CN207661309U - A kind of concrete delivery pipe passes through the modular guard device on road surface - Google Patents
A kind of concrete delivery pipe passes through the modular guard device on road surface Download PDFInfo
- Publication number
- CN207661309U CN207661309U CN201721879187.2U CN201721879187U CN207661309U CN 207661309 U CN207661309 U CN 207661309U CN 201721879187 U CN201721879187 U CN 201721879187U CN 207661309 U CN207661309 U CN 207661309U
- Authority
- CN
- China
- Prior art keywords
- slope
- supporting structure
- delivery pipe
- panel
- concrete delivery
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 210000003456 pulmonary alveoli Anatomy 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 210000002784 stomach Anatomy 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 230000000142 dyskinetic effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009304 pastoral farming Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses the modular guard device that a kind of concrete delivery pipe passes through road surface, feature be include supporting structure, edge slope structure, connector sleeve and connecting shaft;In slightly upper arch type shape, both sides are symmetrical arranged edge slope structure for supporting structure upper surface;Edge slope structure is at unidirectional ramped shaped;Connector sleeve respectively with the outer rim position of supporting structure and edge slope structure front interval welding fabrication with a slope;Two edge slope structures in left and right are engaged with supporting structure respectively, and connecting shaft is inserted into connector sleeve, and tail end installs backing plate insertion opening pin;The bottom of supporting structure is equipped with pipe preformed hole, engages concrete delivery pipe.The utility model has the advantages that it is reasonable for structure, it is easy to make, it is of low cost, it is convenient and efficient, it can carry, recycle with pump truck;Securely and reliably, concrete delivery pipe vehicle crushing booster can be prevented;It is highly practical, the dyskinetic of delivery pipe site setup is reduced, construction site civilization is improved when use and construction road passes through safety.
Description
Technical field
The utility model belongs to concrete construction field, and more specifically to a kind of concrete delivery pipe passes through road surface
Modular guard device.
Background technology
At concrete pouring construction scene, concrete delivery pipe will often pass through road, or the floor that is laid in, existing skill
Art is to use sandstone supporting, and this sandstone supporting is easily loosely difficult to protect delivery pipe, or using the cumulative gradient of plain concrete, increases
Construction cost, and concrete setting do not catch up with construction speed slowly.Therefore the vehicle crush that concrete delivery pipe is often passed by,
Or hit by object, the spoilage of concrete delivery pipe increases, and by vehicle crushing booster thing occurs for concrete delivery pipe sometimes
Therefore influence concrete and normally convey, or even influence construction quality safety and live civilized construction.
Utility model content
The utility model is directed to the deficiency of existing product, provide it is a kind of it is reasonable for structure, highly practical, safe and reliable, can weigh
A kind of concrete delivery pipe used again passes through the modular guard device on road surface.
To achieve the above object, the utility model adopts the following technical solution:
A kind of concrete delivery pipe passes through the modular guard device on road surface, its main feature is that including supporting structure, side slope knot
Structure, connector sleeve and connecting shaft;In slightly upper arch type shape, both sides are symmetrical arranged edge slope structure for the supporting structure upper surface;It is described
Edge slope structure is contacted at unidirectional ramped shaped, no gradient side with ground, and gradient side corresponds to the ramp height at supporting structure both ends;
The connector sleeve is in respectively alveolus with the outer rim position of supporting structure and edge slope structure front interval welding fabrication with a slope
Shape, respectively holder alveolus and ramp alveolus, play clutch action between supporting structure and edge slope structure;The two side slope knots in left and right
Structure is engaged with supporting structure respectively, and the connecting shaft is inserted into from connector sleeve head end, and tail end is installed matching backing plate, is inserted into
Supporting structure and edge slope structure are connected as one by split pin;The bottom of the supporting structure is equipped with pipe preformed hole, for engaging
Concrete delivery pipe.
Further, the supporting structure includes support panel, holder alveolus, stress hole, side wing, bottom plate, holder
Support;Side wing is arranged at slightly upper arch type shape, in the left and right sides of support panel in the support panel;The side wing it is upper
End is consistent with arch form in support panel, and lower end is that parallel shape is connect with bottom plate;Said midsole plate or so accepts side wing, front and back
Holder alveolus end is accepted, midsole plate thickness is equal with support panel;It is managed equipped with hole at the intermediate position of two side wings
Preformed hole, pipe preformed hole upper end are semicircle shape, and both sides are gate shape, and gate shape lower end carries fillet, in order to avoid wedge angle grazing
Concrete delivery pipe;The side wing edge and pipe preformed hole or so equivalent points open up stress hole, to increase the stress of holder
Resilience is deformed, side wing top is welded with support panel;The holder alveolus is arranged in the rear and front end of support panel, institute
It states in the empty stomach that holder support is arranged between bottom plate and support panel, is uniformly distributed, upper and lower firm welding.
Further, the edge slope structure includes side slope panel, side bottom plate, ramp alveolus, ramp diagonal brace and avris wing plate;
The side slope panel is contacted at unidirectional ramped shaped, no gradient side with ground, and gradient side corresponds to the slope at support panel both ends
Highly;The side base plate size corresponding sides slope panel;The ramp alveolus is arranged before the unidirectional slope side of side slope panel band
End;The ramp diagonal brace is arranged in the empty stomach between side bottom plate and side slope panel, is uniformly distributed, upper and lower firm welding;It is described
Avris wing plate accepts side slope panel and side bottom plate.
Further, the connector sleeve is made of seamless steel pipe, and connector sleeve is equidistantly positioned, supporting structure end set
Two sections, edge slope structure is arranged three sections, and free gap is kept between every section, and two connector sleeves are separately positioned on the outer of supporting structure
Edge position, its spot welding is in place, then three connector sleeves are separately positioned on edge slope structure front end with a slope, just by its spot welding
Position.
Further, sleeve rack is additionally provided with below the connector sleeve, the sleeve rack is made of empty stomach square tube, axis
Set holder is equidistantly positioned several sections, and two sections of supporting structure end set, edge slope structure is arranged three sections, between every section between holding activity
Gap, first spot welding confirm fluent rear firm welding.
Further, the support panel is made of the screw thread steel plate of 1.5~2mm thickness.
Further, the side slope panel is made of the screw thread steel plate of 1.5~2mm thickness.
In use, by concrete delivery pipe flat be laid in road surface or floor face, the pipe preformed hole of supporting structure is fastened on
On concrete delivery pipe, two edge slope structures in left and right are engaged with supporting structure respectively, using connecting shaft from connector sleeve head end
It is inserted into, tail end installs matching backing plate, is inserted into split pin;Unload separation when, connecting shaft is extracted out from connector sleeve, will
Supporting structure and edge slope structure are placed on pump truck, in case using again;If construction site haulage vehicle must be from concrete conveyance
When current above pipe, two group devices consistent with car gage can be set.
Compared with prior art, the utility model has the beneficial effects that:(1) reasonable for structure, it is easy to make, it is of low cost,
It is convenient and efficient, it can carry, recycle with pump truck;(2) securely and reliably, concrete delivery pipe vehicle crushing booster can be prevented;(3)
It is highly practical, the dyskinetic of delivery pipe site setup is reduced, construction site civilization is improved when use and construction road passes through safety
Property.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model section schematic diagram.
Fig. 3 is the node diagram of the utility model supporting structure and edge slope structure.
In figure:1, supporting structure;1-1, support panel;1-2, holder alveolus;1-3, stress hole;1-4, side wing;1-5、
Bottom plate;1-6, holder support;2, edge slope structure;2-1, side slope panel;2-2, side bottom plate;2-3, ramp alveolus;2-4, ramp
Diagonal brace;2-5, avris wing plate;3, connector sleeve;3-1, sleeve rack;4, connecting shaft;4-1, backing plate;4-2, split pin;5, concrete
Delivery pipe;5-1, pipe preformed hole.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in Figs. 1-3, a kind of concrete delivery pipe passes through the modular guard device on road surface, its main feature is that including holder
Structure 1, edge slope structure 2, connector sleeve 3 and connecting shaft 4;For 1 upper surface of supporting structure in slightly upper arch type shape, both sides are symmetrical arranged side
Slope structure 2;Edge slope structure 2 is contacted at unidirectional ramped shaped, no gradient side with ground, and gradient side corresponds to 1 both ends of supporting structure
Ramp height;Connector sleeve 3 is welded into the outer rim position of supporting structure 1 and 2 front interval with a slope of edge slope structure respectively
Type is in alveolus shape, respectively holder alveolus 1-2 and ramp alveolus 2-3, and clutch work is played between supporting structure 1 and edge slope structure 2
With;Two edge slope structures 2 in left and right are engaged with supporting structure 1 respectively, and connecting shaft 4 is inserted into from 3 head end of connector sleeve, and tail end is installed therewith
Matched backing plate 4-1 is inserted into split pin 4-2 and is connected as one supporting structure 1 and edge slope structure 2;The bottom of supporting structure 1
Equipped with pipe preformed hole 5-1, for engaging concrete delivery pipe 5.
Supporting structure 1 includes support panel 1-1, holder alveolus 1-2, stress hole 1-3, side wing 1-4, bottom plate 1-5, branch
Frame supports 1-6;Support panel 1-1 is simmered into slightly upper arch type shape, support panel 1-1 wide using the screw thread steel plate of 1.5~2mm thickness
Degree is 800mm, in the left and right sides of support panel 1-1 setting side wing 1-4;On the upper end of side wing 1-4 and support panel 1-1
Arch form is consistent, and lower end is that parallel shape is connect with bottom plate 1-5;Bottom plate 1-5 or so accepts side wing 1-4, front and back undertaking holder
The ends alveolus 1-2, bottom plate 1-5 thickness are equal with support panel 1-1, and bottom plate 1-5 length is 800mm;In two side wings
Hole of the intermediate position of 1-4 equipped with a diameter of 130mm makees pipe preformed hole 5-1, and the upper ends pipe preformed hole 5-1 are semicircle shape, both sides
For gate shape, gate shape lower end carries fillet, in order to avoid wedge angle grazing concrete delivery pipe 5;The edges the side wing 1-4 are pre- with pipe
5-1 or so equivalent points of boxing out open up stress hole 1-3, aperture 50mm, to increase the stress deformation resilience of holder, side wing
It is welded with support panel 1-1 on the tops 1-4;Holder alveolus 1-2 is arranged in the rear and front end of support panel 1-1, and holder support 1-6 is set
Set in the empty stomach between bottom plate 1-5 and support panel 1-1, be uniformly distributed no less than 10, holder support 1-6 using 12~
14mm reinforcing bars, upper and lower firm welding.
Edge slope structure 2 includes side slope panel 2-1, side bottom plate 2-2, ramp alveolus 2-3, ramp diagonal brace 2-4 and avris wing plate
2-5;Side slope panel 2-1 is fabricated to unidirectional ramped shaped using the screw thread steel plate of 1.5~2mm thickness, and no gradient side connects with ground
It touches, gradient side corresponds to the ramp height at the both ends support panel 1-1, and side slope panel 2-1 length is 500mm, width 800mm;
Side bottom plate 2-2 uses the general steel plate of 1.5~2mm thickness, size corresponding sides slope panel 2-1;Ramp alveolus 2-3 is arranged in side slope
Front ends of the panel 2-1 with unidirectional slope side;The empty stomach between side bottom plate 2-2 and side slope panel 2-1 is arranged in ramp diagonal brace 2-4
In, no less than 6 are uniformly distributed, ramp diagonal brace 2-4 uses 12~14mm reinforcing bars, upper and lower firm welding;The avris wing plate 2-5
Accept side slope panel 2-1 and side bottom plate 2-2.
Connector sleeve 3 is made of the seamless steel pipe of 28 × 3mm, and 3 overall length 800mm of connector sleeve cuts into five sections, every section is
158mm, the connector sleeve 3 after cutting are equidistantly positioned, two sections of 1 end set of supporting structure, and edge slope structure 2 is arranged three sections, every section
Between keep 2mm free gap, two connector sleeves 3 are separately positioned on to the outer rim position of supporting structure 1, just by its spot welding
Position, then three connector sleeves 3 are separately positioned on 2 front end with a slope of edge slope structure, its spot welding is in place;Connecting shaft 4 is from connection
The insertion of 3 head ends is covered, tail end installs matching backing plate 4-1, is inserted into split pin 4-2 and connects supporting structure 1 and edge slope structure 2
It is connected in one, checks and rectifies a deviation if any scale without scale, secured welding after supporting structure 1 and edge slope structure 2 combine.
3 lower section of connector sleeve is additionally provided with sleeve rack 3-1, and sleeve rack 3-1 is made of 35 × 3mm empty stomach square tubes, set branch
Frame overall length 800mm cuts five sections, and every section is 155mm, and the sleeve rack 3-1 after cutting is equidistantly positioned, 1 end of supporting structure
Two sections of setting, edge slope structure 2 are arranged three sections, and the free gap of 2.5mm, spot welding first, after confirmation is fluent are kept between every section
Firm welding.
1 welding step of supporting structure is:By the back side of support panel 1-1 upward → by holder support 1-6 be evenly distributed on
On support panel 1-1 with its weld → again by support panel 1-1 together with holder support 1-6 turn over by its arch upward → by midsole
Plate 1-5 and holder support 1-6 welding → by two pieces of side wing 1-4 respectively with it is right at left and right sides of support panel 1-1 and bottom plate 1-5
It should weld.
2 welding step of edge slope structure is:By the back side of side slope panel 2-1 upward → ramp diagonal brace 2-4 is evenly distributed on
On side slope panel 2-1 with its weld → again by side slope panel 2-1 together with ramp diagonal brace 2-4 turn over by its arch upward → by side bottom
Plate 2-2 and ramp diagonal brace 2-4 welding → by two pieces of avris wing plate 2-5 respectively with by side slope panel 2-1 and side bottom plate 2-2 or so two
Side corresponds to welding.
In use, by concrete delivery pipe flat be laid in road surface or floor face, by the pipe preformed hole 5-1 cards of supporting structure 1
It closes on concrete delivery pipe 5, two edge slope structures 2 in left and right is engaged with supporting structure 1 respectively, using connecting shaft 4 from even
3 head end of female connector is inserted into, and tail end installs matching backing plate 4-1, is inserted into split pin 4-2;Unload separation when, by connecting shaft 4
It is extracted out from connector sleeve 3, supporting structure 1 and edge slope structure 2 is placed on pump truck, in case using again;If construction site is transported
When vehicle must pass through above concrete delivery pipe, two group devices consistent with car gage can be set.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of concrete delivery pipe passes through the modular guard device on road surface, it is characterised in that:Including supporting structure (1), side
Slope structure (2), connector sleeve (3) and connecting shaft (4);In slightly upper arch type shape, both sides are symmetrically set for supporting structure (1) upper surface
Set edge slope structure (2);The edge slope structure (2) contacts at unidirectional ramped shaped, no gradient side with ground, and gradient side corresponds to branch
The ramp height at frame structure (1) both ends;The connector sleeve (3) respectively with the outer rim position of supporting structure (1) and edge slope structure (2)
Front interval welding fabrication with a slope is in alveolus shape, respectively holder alveolus (1-2) and ramp alveolus (2-3);Left and right two
Edge slope structure (2) is engaged with supporting structure (1) respectively, the connecting shaft (4) from connector sleeve (3) head end be inserted into, tail end installation with
Matched backing plate (4-1), be inserted into split pin (4-2);The bottom of the supporting structure (1) is equipped with pipe preformed hole (5-1), card
Close concrete delivery pipe (5).
2. a kind of concrete delivery pipe passes through the modular guard device on road surface according to claim 1, it is characterised in that:Institute
It includes support panel (1-1), holder alveolus (1-2), stress hole (1-3), side wing (1-4), bottom plate to state supporting structure (1)
(1-5), holder support (1-6);The support panel (1-1) is at slightly upper arch type shape, in the left and right sides of support panel (1-1)
Side wing (1-4) is set;The upper end of the side wing (1-4) is consistent with arch form in support panel (1-1), lower end be parallel shape with
Bottom plate (1-5) connects;Said midsole plate (1-5) left and right undertaking side wing (1-4), front and back undertaking holder alveolus (1-2) end,
Bottom plate (1-5) thickness is equal with support panel (1-1);It is equipped with hole at the intermediate position of two side wings (1-4) and makees pipe in advance
Box out (5-1), and pipe preformed hole (5-1) upper end is semicircle shape, and both sides are gate shape, and gate shape lower end carries fillet;It is described
The side wing edge (1-4) opens up stress hole (1-3), the side wing top (1-4) and branch with the left and right pipe preformed hole (5-1) equivalent points
Frame panel (1-1) welds;Holder alveolus (1-2) setting is in the rear and front end of support panel (1-1), the holder support
In the empty stomach that (1-6) is arranged between bottom plate (1-5) and support panel (1-1).
3. a kind of concrete delivery pipe passes through the modular guard device on road surface according to claim 1, it is characterised in that:Institute
It includes side slope panel (2-1), side bottom plate (2-2), ramp alveolus (2-3), ramp diagonal brace (2-4) and avris to state edge slope structure (2)
Wing plate (2-5);The side slope panel (2-1) contacts at unidirectional ramped shaped, no gradient side with ground, and gradient side corresponds to holder
The ramp height at the both ends panel (1-1);Side bottom plate (2-2) the size corresponding sides slope panel (2-1);Ramp alveolus (the 2-
3) it is arranged in front end of the side slope panel (2-1) with unidirectional slope side;The ramp diagonal brace (2-4) is arranged at side bottom plate (2-2)
In empty stomach between side slope panel (2-1);The avris wing plate (2-5) accepts side slope panel (2-1) and side bottom plate (2-2).
4. a kind of concrete delivery pipe passes through the modular guard device on road surface according to claim 1, it is characterised in that:Institute
It states connector sleeve (3) to be made of seamless steel pipe, connector sleeve (3) is equidistantly positioned, two sections of supporting structure (1) end set, side slope
Structure (2) is arranged three sections, and free gap is kept between every section, and two connector sleeves (3) are separately positioned on the outer of supporting structure (1)
Edge position, then three connector sleeves (3) are separately positioned on edge slope structure (2) front end with a slope.
5. a kind of concrete delivery pipe passes through the modular guard device on road surface according to claim 1, it is characterised in that:Institute
It states and is additionally provided with sleeve rack (3-1) below connector sleeve (3), the sleeve rack (3-1) is made of empty stomach square tube, sleeve rack
(3-1) is equidistantly positioned several sections, and two sections of supporting structure (1) end set, edge slope structure (2) is arranged three sections, is kept between every section
Free gap.
6. a kind of concrete delivery pipe passes through the modular guard device on road surface according to claim 2, it is characterised in that:Institute
Support panel (1-1) is stated to be made of the screw thread steel plate of 1.5~2mm thickness.
7. a kind of concrete delivery pipe passes through the modular guard device on road surface according to claim 3, it is characterised in that:Institute
Side slope panel (2-1) is stated to be made of the screw thread steel plate of 1.5~2mm thickness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721879187.2U CN207661309U (en) | 2017-12-28 | 2017-12-28 | A kind of concrete delivery pipe passes through the modular guard device on road surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721879187.2U CN207661309U (en) | 2017-12-28 | 2017-12-28 | A kind of concrete delivery pipe passes through the modular guard device on road surface |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207661309U true CN207661309U (en) | 2018-07-27 |
Family
ID=62944297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721879187.2U Expired - Fee Related CN207661309U (en) | 2017-12-28 | 2017-12-28 | A kind of concrete delivery pipe passes through the modular guard device on road surface |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207661309U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO20190438A1 (en) * | 2019-04-01 | 2020-10-02 | Subsea 7 Norway As | Controlling movement of subsea pipelines |
-
2017
- 2017-12-28 CN CN201721879187.2U patent/CN207661309U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO20190438A1 (en) * | 2019-04-01 | 2020-10-02 | Subsea 7 Norway As | Controlling movement of subsea pipelines |
NO345521B1 (en) * | 2019-04-01 | 2021-03-22 | Subsea 7 Norway As | Controlling movement of subsea pipelines |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104265302B (en) | Jacking pipe joints stopping device | |
CN207661309U (en) | A kind of concrete delivery pipe passes through the modular guard device on road surface | |
CN201581553U (en) | Square flange joint of lattice column | |
CN202577949U (en) | Truss for supporting concrete shear wall templates and assembly structure | |
CN201169904Y (en) | Assembly type suspension supporting discharge platform | |
CN205274580U (en) | Full -automatic bar promotes hoist mechanism of feeder | |
CN206437777U (en) | A kind of heavy steel plate handling apparatus | |
CN207063480U (en) | The triangular support bracket set up for exterior wall scaffold | |
CN105908982B (en) | A kind of overhanging unloading platform tool-type limit for tonnage support | |
CN205688821U (en) | A kind of overhanging unloading platform tool-type limit for tonnage support | |
CN107585672A (en) | A kind of cable service sleeve servicing unit | |
CN209620764U (en) | Assembled moves construction guard fender | |
CN202953794U (en) | Forklift auxiliary tool | |
CN207245099U (en) | The interim rubbish blanking system of Core Walls Structure | |
CN104895320B (en) | Integrated template taper lock and its construction technology | |
CN207060082U (en) | The multi-functional transfer car(buggy) of thick bamboo tube | |
CN219859458U (en) | Abnormal lithium hexafluorophosphate material return system | |
CN207616547U (en) | The quick rigging storage rack in construction site | |
CN206503377U (en) | A kind of movable railing of steel trestle | |
CN207420051U (en) | A kind of auxiliary device for steel-pipe roof structure arch camber control | |
CN206346472U (en) | Support frame for silo construction of funnel | |
CN205602291U (en) | Diesel oil pump, motor -driven pump water pipe containerized storage and transportation device | |
CN206928639U (en) | A kind of pulley-clip scaffold central sill formwork bracket | |
CN205476529U (en) | Dismantled and assembled firm safe type building platform | |
CN206800975U (en) | A kind of foot guard plate of scaffold sets up system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 |