CN111576904A - Hoop type connecting structure and safety rope device between rectangular columns - Google Patents
Hoop type connecting structure and safety rope device between rectangular columns Download PDFInfo
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- CN111576904A CN111576904A CN202010551668.0A CN202010551668A CN111576904A CN 111576904 A CN111576904 A CN 111576904A CN 202010551668 A CN202010551668 A CN 202010551668A CN 111576904 A CN111576904 A CN 111576904A
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- hoop
- tube
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- safety
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- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a hoop type connecting structure which is used for pulling a safety rope between two rectangular columns and comprises two telescopic sleeves and two connecting rods, wherein the telescopic sleeves and the connecting rods are perpendicular to each other and form a groined frame in an enclosing mode, the groined frame is sleeved outside the rectangular columns, the telescopic sleeves can be extended or shortened in the direction perpendicular to the connecting rods, and one ends of the telescopic sleeves are connected with the safety rope. The area enclosed by the groined frame is adjusted by adjusting the length of the telescopic sleeve, so that the hoop type connecting structure can be more stable in connection with the rectangular columns. And because the enclosed area of the groined-shaped frame is adjustable, the hoop-type connecting structure can be suitable for rectangular columns with different sizes, and the universality is stronger. Based on the structure, the invention also provides a safety rope device between the rectangular columns, which has the advantages of simple structure, convenience in disassembly and assembly and convenience in recycling.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a hoop type connecting structure and a safety rope device between rectangular columns.
Background
The steel structure building engineering in China is increasing along with the development of economy, high-rise buildings are particularly remarkable, the safety problem of high-altitude operation becomes an important research subject, and the safety measure guarantee is an important guarantee of engineering safety. Nowadays, rectangular steel columns in steel structure engineering are used more and more commonly in structures, so that safe passing among the rectangular columns is more and more important. The traditional safety measures mostly adopt binding type safety ropes as temporary safety channels, namely the safety ropes are directly bound on the rectangular steel columns to prevent constructors from falling, and the defects of easy damage, low economic benefit, high safety risk and the like exist.
Disclosure of Invention
The invention aims to provide a hoop type connecting structure and a safety rope device between rectangular columns, which can be suitable for the rectangular columns with different sizes, have simple structure and convenient disassembly and assembly and are convenient to recycle.
In order to achieve the purpose, the invention provides a hoop type connecting structure which is used for pulling a safety rope between two rectangular columns and comprises two telescopic sleeves and two connecting rods, wherein the telescopic sleeves and the connecting rods are perpendicular to each other and form a groined frame in an enclosing mode, the groined frame is sleeved outside the rectangular columns, the telescopic sleeves can extend or shorten along the direction perpendicular to the connecting rods, and one ends of the telescopic sleeves are connected with the safety rope.
Optionally, telescopic tube includes inner tube, outer tube and a plurality of retaining member, the outer tube is at least partly established the inner tube is outside just the outer tube can be relative the inner tube slides, the inner tube reaches all be provided with a plurality of through-holes on the outer tube, the retaining member runs through the inner tube with the through-hole that corresponds on the outer tube is in order to lock inner tube and outer tube.
Optionally, one end of the outer tube, which is far away from the inner tube, and one end of the inner tube, which extends out of the outer tube, are both provided with connecting holes, one of the two ends of one of the connecting rods respectively penetrates through the connecting holes on the outer tubes of the two telescopic tubes, and the other of the two ends of the other connecting rod respectively penetrates through the connecting holes on the inner tubes of the two telescopic tubes.
Optionally, one end of the inner tube extending out of the outer tube is further provided with a drawknot hole, and the drawknot hole is used for connecting the safety rope.
Optionally, the hoop-type connecting structure further comprises a plurality of rope clamps, and one end of the safety rope penetrates through the drawknot hole and then is fixed through the rope clamps.
Optionally, the number of the rope clips is not less than three.
Optionally, the shortest distance from the rope clip to the drawknot hole is greater than 140 mm.
Optionally, the inner pipe and the outer pipe are both square steel pipes.
Based on this, this application still provides a safety rope device between rectangle post, it is at least a pair of including at least one safety rope group and at least staple bolt formula connection structure, it is every right staple bolt formula connection structure sets up respectively on two rectangle posts, every safety rope group is including being located respectively two safety ropes of the relative both sides of rectangle post, and every corresponding staple bolt formula connection structure on two rectangle posts is connected respectively at the both ends of safety rope.
Optionally, the hoop type connecting structures are two pairs, the number of the safety rope sets is two, the vertical height of the safety rope sets corresponds to that of the hoop type connecting structures, and the two pairs of the hoop type connecting structures are different in vertical height.
The invention provides a hoop type connecting structure which is used for pulling a safety rope between two rectangular columns and comprises two telescopic sleeves and two connecting rods, wherein the telescopic sleeves and the connecting rods are perpendicular to each other and form a groined frame in an enclosing mode, the groined frame is sleeved outside the rectangular columns, the telescopic sleeves can be extended or shortened in the direction perpendicular to the connecting rods, and one ends of the telescopic sleeves are connected with the safety rope. According to the length and the width difference of rectangle post, the accessible is adjusted telescopic tube's length the area that groined type frame encloses is closed, thereby makes staple bolt formula connection structure can with what the rectangle post was connected is firm more and be difficult to drop. And because the enclosed area of the groined-shaped frame is adjustable, the hoop-type connecting structure can be suitable for rectangular columns with different sizes, and the universality is stronger. Based on the structure, the invention also provides a safety rope device between the rectangular columns, which has the advantages of simple structure, convenience in disassembly and assembly and convenience in recycling.
Drawings
Fig. 1 is a schematic structural diagram of a hoop-type connection structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a rectangular inter-post safety line arrangement provided in accordance with an embodiment of the present invention;
wherein the reference numerals are:
10-a rectangular column; 11-a steel beam; 20-telescopic pipe; 30-a connecting rod; 40-a safety rope; 50-a tie hole; 60-rope clamping;
210-an inner tube; 220-an outer tube; 230-a retaining member; 240-through holes.
Detailed Description
The following describes in more detail embodiments of the present invention with reference to the schematic drawings. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
As shown in fig. 1 and fig. 2, this embodiment provides a hoop type connecting structure for setting up a safety rope between two rectangular columns 10, including two telescopic tubes 20 and two connecting rods 30, telescopic tube 20 with connecting rod 30 mutually perpendicular encloses into a groined frame, groined frame cover is established outside rectangular column 10, telescopic tube 20 can be followed the perpendicular to the direction extension or the shortening of connecting rod 30, just telescopic tube 20's one end with safety rope 40 is connected.
In particular, in the building construction, it is usually necessary to walk on the steel beam 11 between two rectangular columns 10, and since the steel beam 11 is located at a high position, it is generally necessary to pull the safety ropes 40 at both sides of the steel beam 11 to prevent the constructor from falling. The hoop type connecting structure provided by the embodiment is used for fixing the safety rope 40 on the rectangular column 10, and has the advantages of good safety, reusability and long service life.
In this embodiment, telescopic tube 20 with connecting rod 30 sets up in turn and end to end connection is in order to enclose synthetic groined type frame, according to the length and the width of rectangular column 10 are different, and the accessible is adjusted telescopic tube 20's length the area that groined type frame encloses, thereby makes staple bolt formula connection structure can with what rectangular column 10 was connected is firm more and be difficult to drop. In addition, the enclosed area of the groined-shaped frame is adjustable, so that the hoop-type connecting structure can be suitable for rectangular columns 10 of different sizes, and the universality is stronger.
Specifically, please refer to fig. 1 and fig. 2, the telescopic tube 20 includes an inner tube 210, an outer tube 220 and a plurality of locking members 230, the outer tube 220 is at least partially sleeved outside the inner tube 210, the outer tube 220 can slide relative to the inner tube 210, the inner tube 210 and the outer tube 220 are both provided with a plurality of through holes 240, and the locking members 230 penetrate through the inner tube 210 and the corresponding through holes 240 of the outer tube 220 to lock the inner tube 210 and the outer tube 220. In this embodiment, the size of the outer tube 220 is slightly larger than that of the inner tube 210, so that the outer tube 220 and the inner tube 210 can slide relatively. When the inner tube 210 and the outer tube 220 move relatively, the portion of the inner tube 210 extending out of the outer tube 220 becomes short, and then the length of the telescopic tube 20 becomes short, and when the inner tube 210 and the outer tube 220 move away from each other, the portion of the inner tube 210 extending out of the outer tube 220 becomes long, and then the length of the telescopic tube 20 becomes long.
In this embodiment, the inner pipe 210 and the outer pipe 220 are both square steel pipes. The outer pipe 220 is a square steel pipe to better adhere to the outer wall of the rectangular column 10, and the inner pipe 210 is a square steel pipe to better match the outer pipe 220. Of course, the inner tube 210 and the outer tube 220 may be round tubes or other structures, or even a square steel plate, which is not limited in this application.
In this embodiment, the number of the through holes 240 on the inner tube 210 and the outer tube 220 is 7, and the positions of the 7 through holes 240 on the inner tube 210 and the 7 through holes 240 on the outer tube 220 are matched with each other. 7 through holes 240 are distributed at equal intervals along the length direction of the inner pipe 210 or the outer pipe 220. The length of the inner tube 210 extending out of the outer tube 220 is adjusted by the locking member 230 penetrating through holes at different positions, and 7 through holes correspond to 7 shift positions, so that the telescopic tube 20 has 7 adjustable lengths. Of course, the number and distribution of the through holes 240 on the inner tube 210 and the outer tube 220 are not limited in this application, and can be adjusted according to the type and size of the rectangular column 10.
The locking member 230 is used for limiting and fixing, for example, a bolt and a nut, so that when the outer tube 220 and the inner tube 210 slide relatively to each other to a set position, the bolt penetrates through the through hole 240 of the outer tube 220 and the inner tube 210 and is locked by the nut, so that the outer tube 220 and the inner tube 210 can be fixed and prevented from sliding relatively. Of course, other fasteners, such as pins, are possible, and the application is not limited.
In this embodiment, the end of the outer tube 220 away from the inner tube 210 and the end of the inner tube 210 extending out of the outer tube 220 are both provided with a connecting hole, wherein two ends of one of the connecting rods 30 respectively penetrate through the connecting holes on the outer tubes 220 of the two telescopic tubes 20, and two ends of the other connecting rod 30 respectively penetrate through the connecting holes on the inner tubes 210 of the two telescopic tubes 20. In this embodiment, the connecting rod 30 may be made of steel, the diameter of which may be smaller than the size of the telescopic tube 20, and the main function of which is to form a groined frame with the telescopic tube 20. Specifically, external threads may be disposed at two ends of the connecting rod 30, and the two ends of the connecting rod 30 may be locked by nuts after penetrating through two connecting holes on the outer tube 220 or the inner tube 210 of the telescopic tube 20, respectively, to fix the connecting rod 30.
It can be understood that, because the connecting rod 30 and the telescopic tube 20 are detachably connected, the installation and the disassembly are convenient, the installation efficiency of the safety rope 40 is improved, and the problems of complex installation and inconvenient disassembly caused by binding the safety rope 40 are avoided.
With reference to fig. 1, a drawknot hole 50 is further formed at an end of the inner tube 210 extending out of the outer tube 220, and the drawknot hole 50 is used for connecting the safety rope 40. Since one hoop type connecting structure has two inner tubes 210, there are two tie holes 50, which are respectively connected to two safety ropes 40. The safety ropes 40 are located at opposite sides of the rectangular column 10, and are used to prevent a constructor from accidentally falling from both sides of the steel beam 11.
In this embodiment, the hoop-type connecting structure further includes a plurality of rope clips 60, and one end of the safety rope 40 passes through the drawknot hole 50 and then is fixed by the rope clips 60. Since the safety rope 40 is generally a steel wire rope, the safety rope 40 can be fixed by the rope clamp 60, which is convenient for disassembly.
Optionally, the number of the rope clips 60 is not less than three. In this embodiment, the number of the rope clips 60 is 3, and the 3 rope clips 60 are arranged at equal intervals to further fix the rope ends of the safety rope 40.
In this embodiment, the shortest distance from the rope clip 60 to the drawknot hole 50 is greater than 140 mm. It can be understood that the distance from the rope clip 60 nearest to the drawknot hole 50 is larger than 140mm, if the distance is too small, the rope end of the safety rope 40 is easily twisted off, and if the distance is too large, the fixing effect is not good.
Based on this, please refer to fig. 2, the present application further provides a safety rope device between rectangular columns, which includes at least one safety rope set and at least one pair of the hoop-type connecting structures, each pair of the hoop-type connecting structures is respectively disposed on two rectangular columns 10, each safety rope set includes two safety ropes 40 respectively disposed on two opposite sides of the rectangular column 10, and two ends of each safety rope 40 are respectively connected to corresponding hoop-type connecting structures on two rectangular columns 10. Through staple bolt formula connection structure can be simple and convenient draw establish safety rope 40, and the installation is firm, dismantle convenient and the reuse of being convenient for, has better economic benefits.
In this embodiment, the hoop type connecting structures are two pairs, the number of the safety rope sets is two, the vertical height of the safety rope sets corresponds to the vertical height of the hoop type connecting structures, and the two pairs of the hoop type connecting structures are different in vertical height. The distance of first pair of staple bolt formula connection structure to girder steel 11 upper surface is 600mm, and the distance of second pair of staple bolt formula connection structure to girder steel 11 upper surface is 1200mm, protects through setting up twice safety rope 40, and the protecting effect is better.
Of course, the present application does not limit the number and distribution of the hoop-type connecting structures and the safety ropes 40.
During specific construction, the mounting method of the safety rope device between the rectangular columns comprises the following steps:
step S1: the telescopic sleeves are respectively arranged on the two rectangular columns, the length of the inner tube extending out of the outer tube is adjusted according to the length or width of the rectangular columns, and the inner tube is locked by the locking piece;
step S2: two connecting rods respectively penetrate through connecting holes in two telescopic sleeves to form a groined frame together with the connecting rods;
step S3: and installing the safety rope, and fixing the two ends of the safety rope through rope clamps after the two ends of the safety rope respectively penetrate through the drawknot holes in the hoop type connecting structures on the two rectangular columns.
In this embodiment, since the safety rope has two loops, the hoop-type connection structure located above the safety rope can be installed through steps S1-S3, that is, one hoop-type connection structure is installed at a position where the distance from the rectangular column to the upper surface of the steel beam is 1200mm, then steps S1-S3 are repeated, another hoop-type connection structure is installed at a position where the distance from the rectangular column to the upper surface of the steel beam is 600mm, and then the safety rope is pulled.
To sum up, the embodiment of the invention provides a hoop type connecting structure for pulling a safety rope between two rectangular columns, which comprises two telescopic pipes and two connecting rods, wherein the telescopic pipes and the connecting rods are perpendicular to each other and form a groined frame, the groined frame is sleeved outside the rectangular columns, the telescopic pipes can be extended or shortened in a direction perpendicular to the connecting rods, and one ends of the telescopic pipes are connected with the safety rope. According to the length and the width difference of rectangle post, the accessible is adjusted telescopic tube's length the area that groined type frame encloses is closed, thereby makes staple bolt formula connection structure can with what the rectangle post was connected is firm more and be difficult to drop. And because the enclosed area of the groined-shaped frame is adjustable, the hoop-type connecting structure can be suitable for rectangular columns with different sizes, and the universality is stronger. Based on the structure, the invention also provides a safety rope device between the rectangular columns, which has the advantages of simple structure, convenience in disassembly and assembly and convenience in recycling.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a staple bolt formula connection structure for draw between two rectangle posts and establish safety rope, its characterized in that, including two telescopic tube and two connecting rods, telescopic tube with connecting rod mutually perpendicular encloses a groined type frame, groined type frame cover is established outside the rectangle post, the perpendicular to can be followed to telescopic tube the direction extension of connecting rod or shorten, just telescopic tube's one end with safety rope connects.
2. The hoop-type connection structure as claimed in claim 1, wherein the telescopic tube includes an inner tube, an outer tube and a plurality of locking members, the outer tube is at least partially sleeved outside the inner tube and can slide relative to the inner tube, the inner tube and the outer tube are both provided with a plurality of through holes, and the locking members penetrate through the corresponding through holes on the inner tube and the outer tube to lock the inner tube and the outer tube.
3. The hoop-type connecting structure as claimed in claim 2, wherein the end of the outer pipe away from the inner pipe and the end of the inner pipe extending out of the outer pipe are provided with connecting holes, wherein two ends of one of the connecting rods respectively penetrate through the connecting holes of the outer pipes of the two telescopic pipes, and two ends of the other connecting rod respectively penetrate through the connecting holes of the inner pipes of the two telescopic pipes.
4. The hoop-type connecting structure as claimed in claim 3, wherein the end of the inner pipe extending out of the outer pipe is further provided with a drawknot hole, and the drawknot hole is used for connecting the safety rope.
5. The hoop-type connection structure as claimed in claim 4, wherein the hoop-type connection structure further comprises a plurality of rope clips, and one end of the safety rope passes through the drawknot hole and then is fixed by the rope clips.
6. The hoop-type connection structure as claimed in claim 5, wherein the number of the rope clips is not less than three.
7. The hoop-type connection structure as claimed in claim 5, wherein the shortest distance from the rope clip to the drawknot hole is greater than 140 mm.
8. The hoop-type connecting structure as claimed in claim 2, wherein the inner pipe and the outer pipe are both square steel pipes.
9. A safety rope device between rectangular columns is characterized by comprising at least one safety rope group and at least one pair of hoop-type connecting structures according to any one of claims 1 to 8, wherein each pair of hoop-type connecting structures are respectively arranged on two rectangular columns, each safety rope group comprises two safety ropes respectively positioned on two opposite sides of each rectangular column, and two ends of each safety rope are respectively connected with the corresponding hoop-type connecting structures on the two rectangular columns.
10. The rectangular inter-column safety line apparatus of claim 9, wherein said hoop type connecting structures are two pairs, said safety line sets are two, a vertical height of said safety line sets corresponds to a vertical height of said hoop type connecting structures, and a vertical height of said two pairs of hoop type connecting structures is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551668.0A CN111576904A (en) | 2020-06-16 | 2020-06-16 | Hoop type connecting structure and safety rope device between rectangular columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551668.0A CN111576904A (en) | 2020-06-16 | 2020-06-16 | Hoop type connecting structure and safety rope device between rectangular columns |
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| Publication Number | Publication Date |
|---|---|
| CN111576904A true CN111576904A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010551668.0A Pending CN111576904A (en) | 2020-06-16 | 2020-06-16 | Hoop type connecting structure and safety rope device between rectangular columns |
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| CN (1) | CN111576904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596230A (en) * | 2022-11-08 | 2023-01-13 | 中建八局第二建设有限公司（Cn） | Safety rope tensioning device during edge-facing operation and using method |
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|---|---|---|---|---|
| KR19980012036U (en) * | 1996-08-24 | 1998-05-25 | 최훈 | Safety rope hanger of steel structure |
| CN201933785U (en) * | 2010-12-08 | 2011-08-17 | 中建钢构有限公司 | Annular anchor ear for installing safety rope on tubular column by means of pulling |
| CN203961328U (en) * | 2014-07-14 | 2014-11-26 | 内蒙古杭萧钢构有限公司 | Assembling safety rope support for a kind of Steel Structure Installation |
| CN204311747U (en) * | 2014-12-05 | 2015-05-06 | 中核华泰建设有限公司 | A kind of tool-type cylinder template fixator |
| CN205894673U (en) * | 2016-06-26 | 2017-01-18 | 陈瑶吉 | Square post mould shell external application binding of concrete |
| CN206273958U (en) * | 2016-10-31 | 2017-06-23 | 中建钢构有限公司 | A kind of hood type safety rope device |
| CN210134587U (en) * | 2019-05-16 | 2020-03-10 | 中建二局第三建筑工程有限公司 | Adjustable column hoop assembly |
| CN212428163U (en) * | 2020-06-16 | 2021-01-29 | 上海市机械施工集团有限公司 | Staple bolt formula connection structure and safety rope device between rectangle post |
-
2020
- 2020-06-16 CN CN202010551668.0A patent/CN111576904A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980012036U (en) * | 1996-08-24 | 1998-05-25 | 최훈 | Safety rope hanger of steel structure |
| CN201933785U (en) * | 2010-12-08 | 2011-08-17 | 中建钢构有限公司 | Annular anchor ear for installing safety rope on tubular column by means of pulling |
| CN203961328U (en) * | 2014-07-14 | 2014-11-26 | 内蒙古杭萧钢构有限公司 | Assembling safety rope support for a kind of Steel Structure Installation |
| CN204311747U (en) * | 2014-12-05 | 2015-05-06 | 中核华泰建设有限公司 | A kind of tool-type cylinder template fixator |
| CN205894673U (en) * | 2016-06-26 | 2017-01-18 | 陈瑶吉 | Square post mould shell external application binding of concrete |
| CN206273958U (en) * | 2016-10-31 | 2017-06-23 | 中建钢构有限公司 | A kind of hood type safety rope device |
| CN210134587U (en) * | 2019-05-16 | 2020-03-10 | 中建二局第三建筑工程有限公司 | Adjustable column hoop assembly |
| CN212428163U (en) * | 2020-06-16 | 2021-01-29 | 上海市机械施工集团有限公司 | Staple bolt formula connection structure and safety rope device between rectangle post |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596230A (en) * | 2022-11-08 | 2023-01-13 | 中建八局第二建设有限公司（Cn） | Safety rope tensioning device during edge-facing operation and using method |
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