CN216380486U - Scaffold for building engineering - Google Patents
Scaffold for building engineering Download PDFInfo
- Publication number
- CN216380486U CN216380486U CN202122617194.8U CN202122617194U CN216380486U CN 216380486 U CN216380486 U CN 216380486U CN 202122617194 U CN202122617194 U CN 202122617194U CN 216380486 U CN216380486 U CN 216380486U
- Authority
- CN
- China
- Prior art keywords
- groove
- railing
- sleeve
- spring
- handrail
- 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
- 230000037431 insertion Effects 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a scaffold for constructional engineering, which comprises a supporting plate and a plurality of triangular supporting frames, wherein the triangular supporting frames are fixedly connected with supporting columns, a plurality of through holes and a plurality of inserting grooves are respectively formed in two adjacent supporting columns, the plurality of through holes are formed in one supporting column, the plurality of inserting grooves are formed in the other supporting column, the through holes and the inserting grooves are arranged in a one-to-one correspondence manner, and a railing is arranged between each through hole and each inserting groove. The utility model can reduce the danger of the constructor working on the supporting plate.
Description
Technical Field
The utility model relates to the technical field of scaffolds, in particular to a scaffold for constructional engineering.
Background
At present, a scaffold is a support which can be erected at a high place for constructors to work in a construction site.
The prior art can refer to the chinese patent that the grant bulletin number is CN212642076U, and it discloses a scaffold frame for building engineering, including backup pad, four be rectangle distribution's triangular supports frame and four dead levers that are used for being connected between the adjacent triangular supports frame, the dead lever both ends are equipped with the mounting bracket, the mounting bracket is rotated through round pin axle and one side of triangular supports frame and is connected, four triangular supports frame wherein three top is equipped with and is used for round pin axle pivoted transmission, the both sides of backup pad are equipped with joint spare, and can dismantle with the dead lever through joint spare and be connected.
However, the support plate is smooth, and when the constructor works on the support plate, the constructor may fall off the support plate, thereby increasing the danger of the constructor working on the support plate.
SUMMERY OF THE UTILITY MODEL
The application provides a scaffold frame for building engineering can reduce the danger of constructor work in the backup pad.
The application provides a scaffold frame for building engineering adopts following technical scheme:
the utility model provides a scaffold frame for building engineering, includes backup pad and a plurality of triangular supports frame, the rigid coupling has the support column on the triangular supports frame, adjacent two a plurality of through-holes and a plurality of inserting groove have been seted up on the support column respectively, and is a plurality of the through-hole sets up on a support column, and is a plurality of the inserting groove sets up on another support column, through-hole and inserting groove one-to-one set up, be provided with the railing between through-hole and the inserting groove.
Through adopting above-mentioned technical scheme, through the setting of support column and railing, can reduce the possibility that constructor falls from the backup pad to reduce the danger of constructor work in the backup pad.
Preferably, the railing slides and connects in the inside wall of through-hole, the railing can peg graft in the inserting groove, be provided with in the inserting groove and be used for driving the railing towards the butt piece that is close to the direction removal of through-hole, be provided with in the through-hole and block that the railing removes towards the direction of keeping away from the inserting groove and block the mechanism.
Through adopting above-mentioned technical scheme, through setting up of butt piece and barrier mechanism, be convenient for fix the railing.
Preferably, the abutting part comprises an abutting plate, the abutting plate is connected to the insertion groove in a sliding mode, an abutting spring is arranged in the insertion groove, one end of the abutting spring is fixedly connected to the abutting plate, and the other end of the abutting spring is fixedly connected to the inner wall of the insertion groove.
Through adopting above-mentioned technical scheme, when needs drive railing move towards the direction that is close to the through-hole, peg graft in the inserting groove with the railing earlier, drive the railing again and move towards the direction that is close to the butt board, when railing and butt board contact, the butt spring is in by compression state this moment, then loosen the railing, the railing is convenient for under the elastic force effect of butt spring this moment and moves towards the direction that is close to the through-hole.
Preferably, the stop mechanism includes the sloping block, the spacing groove has been seted up on the inside wall of through-hole, the sloping block slides and connects in the inside wall of spacing groove, be provided with first inclined plane on the sloping block, first inclined plane can cooperate with the railing, the one end that the inserting groove was kept away from to the railing can the butt be close to one side of inserting groove in the sloping block, the spacing inslot is provided with and is used for driving the elastic component that the sloping block moved towards the direction of being close to the railing, be provided with the drive assembly that is used for driving the sloping block and removes towards the direction of keeping away from the railing in the through-hole.
By adopting the technical scheme, when the handrail needs to be installed, the handrail is firstly inserted into the through hole, then the handrail is driven to move towards the direction close to the insertion groove, when the handrail abuts against the first inclined plane, the inclined block moves towards the direction far away from the handrail under the action of the first inclined plane, then the handrail is continuously driven to move so that the handrail is inserted into the insertion groove, after the handrail is separated from the first inclined plane, the inclined block protrudes out of the limiting groove under the action of the elastic piece, then the handrail is loosened, and at the moment, the handrail abuts against one side, close to the handrail, of the inclined block under the action of the abutting piece, so that the handrail is conveniently prevented from moving towards the direction far away from the insertion groove; through drive assembly's setting, can be convenient for drive sloping block and remove towards the direction of keeping away from the railing to make sloping block and railing separation, and then be convenient for dismantle the railing.
Preferably, the drive assembly includes the sleeve, the one side that the inserting groove was kept away from to the through-hole has been seted up and has been stepped down the groove, the sleeve slides and connects in the groove of stepping down, the railing can slide and connect in telescopic inside wall, the one end that the sleeve is close to the sloping block is provided with the second inclined plane, the second inclined plane can cooperate with first inclined plane, the sleeve is kept away from a pot head of sloping block and is established and be fixed with the retaining ring, be provided with on the sleeve and be used for driving the sleeve and carry out the piece that resets.
Through adopting above-mentioned technical scheme, when needs drive sloping block and remove towards the direction of keeping away from the railing, preceding actuating sleeve moves towards the direction of railing, when sleeve butt in sloping block, the sloping block just can remove towards the direction of keeping away from the railing under the effect on second inclined plane this moment.
Preferably, the piece that resets includes reset spring, reset spring's an pot head is established and is fixed in telescopic lateral wall, reset spring's the other end rigid coupling in retaining ring.
Through adopting above-mentioned technical scheme, when the sleeve removed towards the direction of railing, reset spring was in by compression state this moment, and when loosening the sleeve, the sleeve was convenient for drive sleeve and reset under reset spring's elastic force effect.
Preferably, the elastic part comprises a limiting spring, one end of the limiting spring is fixedly connected to one side, away from the railing, of the limiting groove, and the other end of the limiting spring is fixedly connected to the inclined block.
Through adopting above-mentioned technical scheme, when the sloping block removed towards the direction of keeping away from the railing, spacing spring was in by compression state to produce and resume elasticity, and then be convenient for drive sloping block and remove towards the direction of being close to the railing.
Preferably, the protective groove has been seted up to one side that the railing was kept away from to the spacing groove, it is provided with the fender rod to slide in the protective groove, the one end rigid coupling of fender rod in sloping block, the fender rod is located to spacing spring housing.
Through adopting above-mentioned technical scheme, through the setting of fender rod and guard slot, be convenient for reduce the possibility that spacing spring took place the distortion to be convenient for protect spacing spring.
To sum up, the application has the following beneficial effects:
1. through the arrangement of the supporting columns and the railings, the possibility that constructors fall from the supporting plate can be reduced, and therefore the danger of the constructors working on the supporting plate is reduced;
2. when the handrail needs to be driven to move towards the direction close to the through hole, the handrail is firstly inserted into the insertion groove, then the handrail is driven to move towards the direction close to the abutting plate, when the handrail is in contact with the abutting plate, the abutting spring is in a compressed state, then the handrail is loosened, and the handrail is convenient to move towards the direction close to the through hole under the elastic force action of the abutting spring;
3. when the handrail needs to be installed, the handrail is firstly inserted into the through hole, then the handrail is driven to move towards the direction close to the insertion groove, when the handrail abuts against the first inclined surface, the inclined block moves towards the direction far away from the handrail under the action of the first inclined surface, then the handrail is continuously driven to move so that the handrail is inserted into the insertion groove, after the handrail is separated from the first inclined surface, the inclined block protrudes out of the limiting groove under the action of the elastic piece, then the handrail is loosened, and at the moment, the handrail abuts against one side, close to the handrail, of the inclined block under the action of the abutting piece, so that the handrail is conveniently prevented from moving towards the direction far away from the insertion groove; through drive assembly's setting, can be convenient for drive sloping block and remove towards the direction of keeping away from the railing to make sloping block and railing separation, and then be convenient for dismantle the railing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a sectional view showing a blocking mechanism in the present embodiment;
fig. 3 is a sectional view showing the abutment member in the present embodiment.
Description of reference numerals: 1. a support plate; 2. a triangular support frame; 3. a support pillar; 31. a through hole; 32. inserting grooves; 4. a railing; 5. an abutting member; 511. a butt joint plate; 512. an abutment spring; 6. a blocking mechanism; 611. a sloping block; 612. a limiting groove; 613. a first inclined plane; 62. an elastic member; 621. a limiting spring; 63. a drive assembly; 631. a sleeve; 632. a yielding groove; 633. a second inclined plane; 634. a retainer ring; 64. a reset member; 641. a return spring; 651. a protective groove; 652. a guard bar.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The utility model discloses a scaffold for constructional engineering, which comprises a supporting plate 1 and four triangular supporting frames 2, wherein the supporting plate 1 is square and horizontally arranged, the triangular supporting frames 2 are vertically arranged, supporting columns 3 are fixedly connected to the top ends of the triangular supporting frames 2, and the supporting columns 3 are square and vertically arranged, as shown in figure 1.
As shown in fig. 1 and 2, three through holes 31 and three inserting grooves 32 have been seted up respectively to two adjacent support columns 3's relative inboard, three through hole 31 sets up on one support column 3 along vertical equidistance in proper order, three inserting grooves 32 set up on another support column 3 along vertical equidistance in proper order, through hole 31 and inserting grooves 32 one-to-one set up, the transversal of through hole 31 is circular and extends along the length direction of support column 3, the transversal of inserting grooves 32 is circular and extends along the length direction of support column 3, be provided with railing 4 between through hole 31 and the inserting grooves 32, the transversal of railing 4 is circular and extends along the length direction of support column 3. Through the setting of support column 3 and railing 4, can reduce the possibility that constructor falls from backup pad 1 to reduce the danger of constructor work on backup pad 1.
As shown in fig. 2 and 3, the balustrade 4 is connected to the inner side wall of the through hole 31 in a sliding manner along the length direction of the supporting column 3, the balustrade 4 can be inserted into the insertion groove 32, an abutting member 5 for driving the balustrade 4 to move in a direction close to the through hole 31 is arranged in the insertion groove 32, and a blocking mechanism 6 for blocking the balustrade 4 to move in a direction away from the insertion groove 32 is arranged in the through hole 31. By the arrangement of the abutment 5 and the blocking means 6, the railing 4 is fixed in a facilitated manner.
As shown in fig. 2 and 3, the abutting part 5 includes an abutting plate 511, the abutting plate 511 is in a circular cake shape and is vertically disposed, the abutting plate 511 slides along the length direction of the supporting column 3 and is connected to the inner side wall of the inserting groove 32, an abutting spring 512 is disposed in the inserting groove 32, the abutting spring 512 is disposed along the axial direction of the rail 4, one end of the abutting spring 512 is fixedly connected to the abutting plate 511, the end of the abutting spring is far away from the rail 4, and the other end of the abutting spring is fixedly connected to one side wall of the inserting groove 32, the side wall of the through hole 31 is far away from the through hole 31. When needs drive railing 4 and move towards the direction that is close to through-hole 31, peg graft in inserting groove 32 earlier railing 4, drive railing 4 again and move towards the direction that is close to butt joint board 511, when railing 4 and butt joint board 511 contact, butt spring 512 is in by compression state this moment, then unclamp railing 4, and railing 4 is convenient for to move towards the direction that is close to through-hole 31 under the spring action of butt spring 512 this moment.
As shown in fig. 1 and 2, the blocking mechanism 6 includes an inclined block 611, a cross section of the inclined block 611 is square and vertically disposed, a limiting groove 612 is disposed on an inner side wall of the through hole 31, the cross section of the limiting groove 612 is square and vertically extends, the inclined block 611 is connected to the inner side wall of the limiting groove 612 in a sliding manner along the vertical direction, a first inclined plane 613 is disposed on a side of the inclined block 611 away from the balustrade 4, the first inclined plane 613 can be matched with the balustrade 4, one end of the balustrade 4 away from the insertion groove 32 can abut against a side of the inclined block 611 close to the insertion groove 32, an elastic member 62 for driving the inclined block 611 to move toward the direction close to the balustrade 4 is disposed in the limiting groove 612, the elastic member 62 includes a limiting spring 621, the limiting spring 621 is vertically disposed, one end of the limiting spring 621 is fixedly connected to the side of the limiting groove 612 away from the balustrade 4, the other end is fixedly connected to the side of the inclined block 611 away from the balustrade 4, and a driving assembly 63 for driving the inclined block 611 to move toward the direction away from the balustrade 4 is disposed in the through hole 31.
When the handrail 4 needs to be installed, the handrail 4 is firstly inserted into the through hole 31, then the handrail 4 is driven to move towards the direction close to the insertion groove 32, when the handrail 4 abuts against the first inclined surface 613, at this time, the inclined block 611 moves towards the direction away from the handrail 4 under the action of the first inclined surface 613, then the handrail 4 is continuously driven to move so that the handrail 4 is inserted into the insertion groove 32, after the handrail 4 is separated from the first inclined surface 613, the inclined block 611 protrudes out of the limiting groove 612 under the action of the elastic element 62, then the handrail 4 is loosened, at this time, the handrail 4 abuts against one side, close to the handrail 4, of the inclined block 611 under the action of the abutting element 5, and therefore the handrail 4 is conveniently prevented from moving towards the direction away from the insertion groove 32; through the arrangement of the driving assembly 63, the inclined block 611 can be conveniently driven to move towards the direction away from the railing 4, so that the inclined block 611 is separated from the railing 4, and the railing 4 can be conveniently detached; when the sloping block 611 moves in a direction away from the balustrade 4, the limiting spring 621 is in a compressed state, so as to generate a restoring elastic force, thereby facilitating to drive the sloping block 611 to move in a direction close to the balustrade 4.
As shown in fig. 2 and 3, the driving assembly 63 includes a sleeve 631, a cross section of the sleeve 631 is circular and is axially disposed along the rail 4, an abdicating groove 632 is disposed on one side of the through hole 31 away from the insertion groove 32, the cross section of the abdicating groove 632 is circular and axially extends along the rail 4, the sleeve 631 is slidably connected to the abdicating groove 632 along the axial direction of the rail 4, the rail 4 can be slidably connected to an inner side wall of the sleeve 631 along the axial direction of the rail 4, one end of the sleeve 631 close to the inclined block 611 is provided with a second inclined plane 633, the second inclined plane 633 can be matched with the first inclined plane 613, one end of the sleeve 631 away from the inclined block 611 is sleeved with a retaining ring 634, a cross section of the retaining ring 634 is circular and vertically disposed, and the sleeve 631 is provided with a reset piece 64 for driving the sleeve 631 to reset; the reset element 64 includes a reset spring 641, the reset spring 641 is disposed along the axial direction of the balustrade 4, one end of the reset spring 641 is sleeved and fixed on the outer side wall of the sleeve 631, and the other end is fixedly connected to one side of the retainer ring 634 close to the sloping block 611.
When the inclined block 611 needs to be driven to move in a direction away from the rail 4, the sleeve 631 is moved towards the rail 4, and when the sleeve 631 abuts against the inclined block 611, the inclined block 611 can move in a direction away from the rail 4 under the action of the second inclined surface 633; when the sleeve 631 moves towards the balustrade 4, the return spring 641 is compressed, and when the sleeve 631 is released, the sleeve 631 is driven to return by the elastic force of the return spring 641.
As shown in fig. 2 and 3, a protection groove 651 is formed in one side of the limiting groove 612, which is far away from the balustrade 4, the cross section of the protection groove 651 is circular and extends vertically, a protection rod 652 is slidably arranged in the protection groove 651 along the vertical direction, the cross section of the protection rod 652 is circular and vertically arranged, one end of the protection rod 652, which is close to the balustrade 4, is fixedly connected to one side of the inclined block 611, which is far away from the balustrade 4, and the protection rod 652 is sleeved with a limiting spring 621. The arrangement of the protection rod 652 and the protection groove 651 is convenient for reducing the possibility of the limit spring 621 being twisted, thereby facilitating the protection of the limit spring 621.
The working principle is as follows:
through the setting of support column 3 and the fixed of butt 5 and barrier mechanism 6 to railing 4, can reduce the possibility that constructor falls from backup pad 1 to reduce the danger of constructor work on backup pad 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a scaffold frame for building engineering, includes backup pad (1) and a plurality of triangular supports frame (2), its characterized in that: the triangular support frame (2) is fixedly connected with support columns (3), a plurality of through holes (31) and a plurality of inserting grooves (32) are respectively formed in two adjacent support columns (3), the plurality of through holes (31) are formed in one support column (3), the plurality of inserting grooves (32) are formed in the other support column (3), the through holes (31) and the inserting grooves (32) are arranged in a one-to-one correspondence mode, and a handrail (4) is arranged between each through hole (31) and each inserting groove (32); railing (4) slide and connect in the inside wall of through-hole (31), railing (4) can peg graft in inserting groove (32), be provided with in inserting groove (32) and be used for driving railing (4) towards the butt piece (5) that is close to the direction removal of through-hole (31), be provided with in through-hole (31) and block that railing (4) towards keeping away from the stop mechanism (6) that the direction removal of inserting groove (32) removed.
2. The scaffold for construction engineering according to claim 1, wherein: the abutting piece (5) comprises an abutting plate (511), the abutting plate (511) is connected to the insertion groove (32) in a sliding mode, an abutting spring (512) is arranged in the insertion groove (32), one end of the abutting spring (512) is fixedly connected to the abutting plate (511), and the other end of the abutting spring is fixedly connected to the inner wall of the insertion groove (32).
3. The scaffold for construction engineering according to claim 1, wherein: the blocking mechanism (6) comprises an inclined block (611), a limiting groove (612) is formed in the inner side wall of the through hole (31), the inclined block (611) is connected to the inner side wall of the limiting groove (612) in a sliding mode, a first inclined surface (613) is arranged on the inclined block (611), the first inclined surface (613) can be matched with the handrail (4), one end, far away from the insertion groove (32), of the handrail (4) can abut against one side, close to the insertion groove (32), of the inclined block (611), an elastic piece (62) used for driving the inclined block (611) to move towards the direction close to the handrail (4) is arranged in the limiting groove (612), and a driving assembly (63) used for driving the inclined block (611) to move towards the direction far away from the handrail (4) is arranged in the through hole (31).
4. A scaffold for construction engineering according to claim 3, characterized in that: drive assembly (63) include sleeve (631), one side that grafting groove (32) was kept away from in through-hole (31) has been seted up and has been abdied groove (632), sleeve (631) slide and connect in abdied groove (632), railing (4) can slide and connect in the inside wall of sleeve (631), the one end that sleeve (631) is close to sloping block (611) is provided with second inclined plane (633), second inclined plane (633) can cooperate with first inclined plane (613), the pot head that sloping block (611) was kept away from in sleeve (631) is established and is fixed with retaining ring (634), be provided with on sleeve (631) and be used for driving sleeve (631) to carry out the piece (64) that resets.
5. The scaffold for construction engineering according to claim 4, wherein: the reset piece (64) comprises a reset spring (641), one end of the reset spring (641) is sleeved on the outer side wall of the sleeve (631), and the other end of the reset spring (641) is fixedly connected with the retainer ring (634).
6. A scaffold for construction engineering according to claim 3, characterized in that: the elastic piece (62) comprises a limiting spring (621), one end of the limiting spring (621) is fixedly connected to one side, away from the railing (4), of the limiting groove (612), and the other end of the limiting spring is fixedly connected to the inclined block (611).
7. The scaffold for construction engineering according to claim 6, wherein: protection groove (651) have been seted up to one side of railing (4) is kept away from in spacing groove (612), protection groove (651) internal slipping is provided with fender rod (652), the one end rigid coupling of fender rod (652) is in sloping block (611), fender rod (652) are located to spacing spring (621) cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122617194.8U CN216380486U (en) | 2021-10-27 | 2021-10-27 | Scaffold for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122617194.8U CN216380486U (en) | 2021-10-27 | 2021-10-27 | Scaffold for building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216380486U true CN216380486U (en) | 2022-04-26 |
Family
ID=81247596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122617194.8U Expired - Fee Related CN216380486U (en) | 2021-10-27 | 2021-10-27 | Scaffold for building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216380486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934574A (en) * | 2022-05-31 | 2022-08-23 | 安徽振兴建设有限公司 | Building ventilation device for building construction |
-
2021
- 2021-10-27 CN CN202122617194.8U patent/CN216380486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934574A (en) * | 2022-05-31 | 2022-08-23 | 安徽振兴建设有限公司 | Building ventilation device for building construction |
| CN114934574B (en) * | 2022-05-31 | 2024-04-26 | 安徽振兴建设有限公司 | Building ventilation device for house building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216380486U (en) | Scaffold for building engineering | |
| CN212201206U (en) | Assembled movable building construction platform | |
| CN116537510A (en) | Attached lifting scaffold with high safety | |
| CN211499537U (en) | Assembled steel construction stair | |
| CN215055047U (en) | Ground floating device for building engineering | |
| CN214785757U (en) | Scaffold frame that building engineering used | |
| CN212176247U (en) | Connecting device for bucket arch | |
| CN214272835U (en) | Wheel buckle type scaffold supporting system | |
| CN210764156U (en) | Electric automobile frame | |
| CN212176056U (en) | Wooden bracket | |
| CN111395696B (en) | Derrick structure of home elevator | |
| CN211201118U (en) | Walkway plate mounting structure of attached lifting scaffold | |
| CN216948123U (en) | Integral check gate for irrigation and water conservancy | |
| CN220267559U (en) | Window protection railing convenient to install and detach | |
| KR200400391Y1 (en) | Structure of scaffold frame installed with fall-down preventive rail | |
| CN216754087U (en) | Mirror for art dance with buffering anticollision structure | |
| CN218541104U (en) | Curtain wall mounting structure of building | |
| CN214170160U (en) | Steel construction faces limit assembled railing | |
| CN219794599U (en) | Building elevator shaft entrance to a cave protection platform | |
| CN218970716U (en) | Convenient firm safety protection railing | |
| CN217538148U (en) | Assembled enclosure structure with instrument installation space | |
| CN221546595U (en) | Novel guardrail for building construction | |
| CN219732705U (en) | Telescopic safety device for building tray buckle frame | |
| CN219952503U (en) | Prefabricated stair protector convenient to separation | |
| CN214659302U (en) | Building engineering security fence |
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: 20220426 |