CN110714603A - Steel pipe and steel rope composite scaffold system and construction method thereof - Google Patents
Steel pipe and steel rope composite scaffold system and construction method thereof Download PDFInfo
- Publication number
- CN110714603A CN110714603A CN201911105000.7A CN201911105000A CN110714603A CN 110714603 A CN110714603 A CN 110714603A CN 201911105000 A CN201911105000 A CN 201911105000A CN 110714603 A CN110714603 A CN 110714603A
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- steel
- pipe
- rope
- fixing
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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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
- E04G1/04—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section
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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
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/04—Flexible elements, with or without brackets, e.g. ropes, cables, chains
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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
A steel pipe and steel rope composite scaffold system and a construction method thereof are disclosed, the system comprises a steel pipe frame consisting of a vertical pipe (5-1) and a horizontal pipe (5-2), a protective steel rope (2-1) connected to the vertical pipe and parallel to the horizontal pipe, and a cross brace arranged on the steel pipe frame and consisting of cross steel ropes (2-2); the crossed nodes of the vertical pipes and the transverse pipes are connected by connecting fasteners (3), and the crossed nodes of the protective steel ropes and the vertical pipes and the crossed nodes of the crossed steel ropes and the vertical pipes are connected by fixing clamps (1); the fixing clamp comprises two semicircular clamping rings (1-1) which are connected through a hinge (1-3) on one side and connected and locked through a locking mechanism (1-4) on the other side, the two semicircular clamping rings are folded to form a circular inner hole for clamping a vertical pipe, and an ear plate provided with a rope penetrating hole is arranged on the outer wall surface of one semicircular clamping ring. The scaffold system has the advantages of small dead weight, less steel consumption, convenient erection and stable structure.
Description
Technical Field
The invention relates to the technical field of scaffolds for building construction.
Background
The traditional scaffold system used in building construction has the advantages that steel pipe frames, cross braces or inclined braces, transverse waist bars, guardrails and other functional rod pieces are all erected by using steel pipes, the scaffold body is heavy, steel consumption is high, labor intensity is high, and working efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides a steel pipe and steel rope composite scaffold system which has the advantages of small self weight of a scaffold body, less steel consumption, convenient use and stable structure. The invention also provides a construction method of the composite scaffold system.
The technical scheme adopted by the invention is as follows:
a steel pipe and steel rope composite scaffold system is formed by combining and erecting a vertical pipe, a horizontal pipe and a steel rope parallel to the horizontal pipe; the intersecting joints of the vertical pipes and the transverse pipes are connected by connecting fasteners, and the intersecting joints of the vertical pipes and the steel ropes are connected by fixing clamps; the fixing clamp comprises two semicircular clamping rings, one side of each semicircular clamping ring is connected through a hinge, the other side of each semicircular clamping ring can be connected through a locking mechanism and locked, a circular inner hole for clamping and holding the vertical pipe is formed after the two semicircular clamping rings are folded, and an ear plate provided with a rope penetrating hole is arranged on the outer wall surface of one semicircular clamping ring.
The transverse tube and the steel rope are arranged in a staggered mode. And a pressing bolt pressed into the rope penetrating hole is assembled on the lug plate provided with the rope penetrating hole.
The locking mechanism is a bolt connection type locking mechanism and comprises an ear seat arranged at the end head of the outer wall of one semicircular snap ring, a pin shaft arranged on the ear seat, a locking screw rod, a fixed lug plate and a locking nut, wherein one end of the locking screw rod is connected with the pin shaft and can rotate along the pin shaft, the fixed lug plate is arranged at the end head of the outer wall of the other semicircular snap ring and is provided with a clamping groove, and the locking nut is assembled on the locking screw rod, and the front end of the locking screw rod can be clamped in the clamping.
The locking mechanism can also be a wrench-type locking mechanism, and comprises a wrench head which is arranged at the end head of the outer wall of one semicircular snap ring and can rotate along a pin shaft, a snap ring which is arranged on the wrench head, and a fixed hanging lug which is arranged at the end head of the outer wall of the other semicircular snap ring, wherein the front end of the snap ring can be hooked on the fixed hanging lug.
The invention relates to a construction method of a steel pipe and steel rope composite scaffold system, which comprises the following steps:
A. erecting a steel pipe frame by using a vertical pipe, a horizontal pipe and a connecting fastener;
B. one or more groups of fixing clips with equal height are arranged between the top transverse tube and the bottom transverse tube on the vertical tube, and one or more than two protective steel ropes sequentially pass through rope threading holes on the fixing clips with equal height respectively; when more than two steel ropes are arranged between the top transverse pipe and the bottom transverse pipe, the steel ropes and the transverse rods are arranged in a staggered manner;
C. folding two ends of the protective steel rope back and tightly locking the folded steel rope ends and the steel rope sleeve by using sleeve buckles;
D. fixing clips are sequentially installed on the vertical pipe along the positions where the crossed steel ropes are installed in advance, the two steel ropes are arranged in a crossed mode and respectively penetrate through rope penetrating holes in the fixing clips in an inclined mode sequentially, and then the steel ropes are tightly pressed by screwing each fixing clip into the rope penetrating hole through a pressing bolt.
The steel rope is adopted to replace part of steel pipe fittings such as a protective waist rod, a shear brace, an inclined brace and the like in the traditional scaffold, so that the steel consumption can be greatly reduced, and the self weight of the scaffold body is reduced. The fixing clamp realizes the stable connection of the steel rope and the steel pipe by holding and clamping the vertical pipe on one side and restraining the steel rope on the other side.
Drawings
Fig. 1 is a schematic structural view of a conventional steel pipe scaffold;
fig. 2 is a schematic structural view of the composite scaffolding system of the present invention;
FIG. 3 is a schematic view of the N node of FIG. 2 from the rear;
FIG. 4 is a schematic view of a mounting clip used in the present invention;
FIG. 5 is a top view of the retention clip;
FIG. 6 is a schematic view of another form of a mounting clip;
figure 7 is a schematic view of a fixed wire rope head;
FIG. 8 is a schematic view of the non-impact fastening of a steel cord passing through a threading hole;
FIG. 9 is a schematic view of the compression fixing of a steel cord passing through a threading hole;
FIG. 10 is a schematic view of wedging a steel cord through a threading hole with a steel wedge;
fig. 11 to 14 are schematic views of four structures of the fixing clip.
Detailed Description
The technical scheme of the invention is clearly and completely described below by combining the attached drawings.
Fig. 1 shows a structural system of a traditional steel pipe scaffold, which mainly comprises a steel pipe frame consisting of upright posts A and cross posts B, and a protective waist post C and a cross brace D which are arranged to form the whole scaffold system. The intersection point of the vertical rod A and the cross rod B, the intersection point of the protective waist rod C and the vertical rod, and the intersection point of the cross brace D and the vertical rod are connected through fasteners. In addition to uprights, crossbars, fenders, and scissor braces, the scaffolding system may also include diagonal braces, guard rails, and some other functional bars. This kind of traditional steel pipe scaffold all uses the steel pipe to set up, and the support body is from great, and steel consumption is many, sets up and wastes time and energy.
The steel pipe and steel rope composite scaffold system comprises a steel pipe frame consisting of a vertical pipe 5-1 and a transverse pipe 5-2, a protective steel rope 2-1 connected to the vertical pipe and parallel to the transverse pipe, and a cross brace arranged on the steel pipe frame and consisting of cross steel ropes 2-2, wherein the cross steel rope is arranged between the vertical pipe and the transverse pipe; the intersecting joints of the vertical pipes and the transverse pipes are connected by connecting fasteners 3 (only one fastener is schematically shown in the figure), and the connecting fasteners 3 are steel pipe fasteners commonly used for building scaffolds in the prior art. The intersection node of the protective steel rope 2-1 and the vertical pipe, namely M node, is connected by a fixing clamp 1, and the intersection point of the protective steel rope 2-2 and the vertical pipe, namely N node, is also connected by a fixing clamp 1 (only one M node and one N node are schematically indicated in the figure).
The fixing clip is shown in fig. 3 and 4 and comprises two semicircular snap rings 1-1, one side of each semicircular snap ring is connected through a hinge 1-3, the other side of each semicircular snap ring can be connected and locked through a locking mechanism 1-4, the two semicircular snap rings are folded to form a circular inner hole for clamping and holding a vertical pipe 5-1, and an ear plate provided with a rope penetrating hole 1-2 is arranged on the outer wall surface of one semicircular snap ring. The cross tube 5-2 and the protective steel cord 2-1 may be arranged to be staggered with each other as shown in fig. 2. The lug plate provided with the rope penetrating hole 1-2 can be provided with a pressing bolt 1-5 pressed into the rope penetrating hole for pressing a steel rope penetrating through the rope penetrating hole, or the pressing bolt can not be arranged. The lug plate fixing clip with the hold-down bolt is generally used for the connection node of the protection steel rope 2-1 and the vertical pipe, as shown in the enlarged view of the M node in fig. 2. The fixing clip of the lug plate without the press bolt is generally used for the connection node of the obliquely arranged steel cord such as the cross steel cord 2-2 and the riser, as shown in fig. 3, which is an enlarged view of the N node in fig. 2 viewed from the rear side.
The locking mechanism 1-4 can be a bolt connection type locking mechanism shown in figures 11 and 12 and comprises an ear seat 1-4a-5 arranged at the end head of the outer wall of one semicircular snap ring, a pin shaft 1-4a-4 arranged on the ear seat, a locking screw rod 1-4a-1 with one end connected with the pin shaft and capable of rotating along the pin shaft, a fixed ear plate 1-4a-3 with a clamping groove arranged at the end head of the outer wall of the other semicircular snap ring and a locking nut 1-4a-2 assembled on the locking screw rod, wherein the front end of the locking screw rod is locked by the locking nut 1-4a-2 after being clamped in the clamping groove of the fixed ear plate. The locking mechanism 1-4 can also be a wrench type locking mechanism shown in fig. 13 and 14, and comprises a wrench head 1-4b-2 which is arranged at the end head of the outer wall of one semicircular snap ring and can rotate along a pin shaft 1-4b-4, a snap ring 1-4b-1 which is arranged on the wrench head, and a fixing lug 1-4b-3 which is arranged at the end head of the outer wall of the other semicircular snap ring, wherein the front end of the snap ring can be hooked on the fixing lug, as shown in fig. 7, 8, 9 and 10. The wrench-type locking mechanism can be fastened with the fixed suspension loop 1-4b-3 by combining the wrench head 1-4b-2 and the retaining ring 1-4b-1, or by arranging a gear buckle at the bottom of the wrench head to be directly fastened with the fixed suspension loop. The locking mechanism can also adopt other structural forms in the prior art, as shown in fig. 10, and if necessary, the fixing clip 1 which does not clamp the steel rope can also adopt a steel wedge 4 to wedge the steel rope.
When the fixing clip 1 is used for connecting and fastening a steel pipe and a steel rope, the fixing clip is made of metal materials, and the semicircular snap ring 1-1, the fixing lug plate 1-4a-3, the lug seat 1-4a-5 or the fixing suspension lug 1-4b-3 and the lug plate provided with the rope through hole 1-2 are preferably integrally cast.
When the protective steel rope is fixedly connected with the vertical pipe, as shown in fig. 7, one side of the protective steel rope can clamp the steel pipe 5-1 by two semicircular clamps, and the other side of the protective steel rope can pass through the rope through hole 1-2 of the lug plate, then the steel rope is folded back, and the folded steel rope end and the steel rope sleeve are locked tightly by the sleeve buckle 7, so that the protective steel rope 2-1 is stably connected with the steel pipe. The used shackle 6 is made of prior art components. In this way, the lug plate does not need to be provided with a pressing bolt for pressing the restraining cable, as shown in fig. 8. The connection mode is used for fixing the end part of the steel rope at the node position of the end part of the connection between the steel pipe and the steel rope.
The obliquely stretched crossed steel ropes 2-2 can be installed as shown in fig. 9, one side of the obliquely stretched crossed steel ropes is used for clamping steel pipes, namely vertical pipes 5-1, through two semicircular clamping rings, the other side of the obliquely stretched crossed steel ropes is used for realizing the stable connection of the steel ropes and the steel pipes in a mode that the steel ropes penetrate through rope penetrating holes 1-2 of lug plates and the crossed steel ropes are tightly pressed and locked through compression bolts 1-5. It is also possible to wedge the steel cord with a steel wedge 6 as shown in fig. 10. In the connection mode, the lug plates are required to be provided with compression bolts 1-5 for compressing and restraining the steel ropes. The connection mode is used for the middle node position of the connection between the steel pipe and the oblique steel rope. In the node, the fixing clip formed after the two semicircular snap rings are folded can realize the restraint of the steel rope in a vertical direction plane. Under the condition that both ends are fixed, when the exogenic action, the load of perpendicular to steel cable direction is only transmitted to fixing clip and steel pipe to the steel cable, and the fixing clip can realize the restraint to the steel cable in perpendicular and parallel direction for steel cable and steel pipe can wholly atress. In order to facilitate the oblique steel rope which plays the roles of a scissor brace and an inclined brace to penetrate through and reduce the abrasion of the steel rope, the fixing clamp can also be made into a structure as shown in figure 6, an ear plate provided with a rope through hole 1-2 is made into a structure which can rotate flexibly, a bottom plate 1-6 is welded on the semicircular clamping ring 1-1, the ear plate is installed on the bottom plate through a bolt, and the ear plate can rotate by an angle so as to be matched with the oblique steel rope to penetrate through.
The invention relates to a construction method of a steel pipe and steel rope composite scaffold system, which comprises the following steps:
A. erecting a steel pipe frame by using a vertical pipe 5-1, a horizontal pipe 5-2 and a connecting fastener 3;
B. one or more than two groups of fixing clips 1 with equal heights are arranged between the top transverse tube and the bottom transverse tube on the vertical tube, and one or more than two protective steel ropes 2-1 respectively pass through the rope threading holes 1-2 on the fixing clips with equal heights in sequence. When more than two protective steel ropes 2-1 are arranged, the protective steel ropes and the cross bar are arranged in a staggered mode;
C. folding two ends of the protective steel rope 2-1 back and tightly locking the folded steel rope ends and the steel rope sleeve by using the sleeve buckles 6;
In the steel tube and steel cable composite scaffold system, except for a steel tube frame, other parts which are traditionally erected by using steel tubes can be arranged by using steel cables on the premise of using the steel tube and steel cable fixing clamp 1, and the steel cables comprise a shear brace, an inclined brace, a protective waist rod, a guardrail and other functional rod pieces, so that the steel consumption is reduced, the self weight of a scaffold frame body is reduced, and the stable structure can be ensured.
The steel pipe and steel rope composite scaffold system has the effects of reducing labor intensity, improving labor efficiency, saving steel, reducing manufacturing cost and the like, is suitable for various occasions, parts and working conditions, and is the first creation in building construction.
Claims (7)
1. A steel pipe and steel rope composite scaffold system is characterized in that the composite scaffold system comprises a steel pipe frame consisting of a vertical pipe (5-1) and a transverse pipe (5-2), a protective steel rope (2-1) connected to the vertical pipe and parallel to the transverse pipe, and a cross brace arranged on the steel pipe frame and consisting of cross steel ropes (2-2); the crossed nodes of the vertical pipes and the transverse pipes are connected by connecting fasteners (3), the crossed nodes of the protective steel ropes (2-1) and the vertical pipes are connected by fixing clamps (1), and the crossed nodes of the crossed steel ropes (2-2) and the vertical pipes are also connected by fixing clamps (1); the fixing clamp comprises two semicircular clamping rings (1-1) which are connected through a hinge (1-3) on one side and connected and locked through a locking mechanism (1-4) on the other side, the two semicircular clamping rings are folded to form a circular inner hole for clamping and holding a vertical pipe, and an ear plate provided with a rope penetrating hole (1-2) is arranged on the outer wall surface of one semicircular clamping ring.
2. A steel tube, steel cable composite scaffolding system according to claim 1, characterized in that the cross tubes (5-2) and the protective steel cables (2-1) are staggered with each other.
3. A steel pipe and steel rope composite scaffold system as claimed in claim 1 or 2, characterized in that said ear plate with rope-through holes (1-2) is equipped with compression bolts (1-5) pressing into the rope-through holes.
4. A steel pipe steel rope fixing clip as claimed in claim 1 or 2, wherein said locking mechanism (1-4) is a bolt connection type locking mechanism, comprising an ear seat (1-4a-5) disposed at the end of the outer wall of one semicircular clip ring, a pin (1-4a-4) mounted on the ear seat, a locking screw (1-4a-1) having one end connected to the pin and capable of rotating along the pin, a fixing ear plate (1-4a-3) with a slot disposed at the end of the outer wall of the other semicircular clip ring, and a locking nut (1-4a-2) fitted on the locking screw, wherein the front end of the locking screw can be clipped in the slot of the fixing ear plate.
5. A steel pipe and steel cable composite scaffold system as claimed in claim 1 or 2, wherein said locking mechanism (1-4) is a wrench type locking mechanism, comprising a wrench head (1-4b-2) mounted at the end of the outer wall of one semicircular clasp and capable of rotating along the pin shaft (1-4b-4), a buckle ring (1-4b-1) mounted on the wrench head, and a fixing lug (1-4b-3) mounted at the end of the outer wall of the other semicircular clasp, and the front end of the buckle ring can be hooked on the fixing lug.
6. A method for constructing a steel pipe and steel rope composite scaffold system as claimed in any one of claims 1 to 5, wherein the method comprises the following steps:
A. erecting a steel pipe frame by using a vertical pipe (5-1), a horizontal pipe (5-2) and a connecting fastener (3);
B. one or more than two groups of fixing clips (1) with equal heights are arranged between the top transverse tube and the bottom transverse tube on the vertical tube, and one or more than two protective steel ropes (2-1) respectively pass through the rope threading holes (1-2) on the fixing clips with equal heights in sequence;
C. folding two ends of the protective steel rope (2-1) back and tightly locking the folded steel rope ends and the steel rope sleeve by using sleeve buckles (6);
D. fixing clips (1) are sequentially installed on the vertical pipe along the positions where the crossed steel ropes (2-2) are installed in advance, the two steel ropes are arranged in a crossed mode and respectively and obliquely penetrate through rope penetrating holes (1-2) in the fixing clips in sequence, and then the steel ropes are tightly pressed by screwing each fixing clip into the rope penetrating hole through a pressing bolt (1-5).
7. A method of constructing a steel pipe, steel cable composite scaffolding system as claimed in claim 6 wherein, when more than two protection steel cables (2-1) are provided between the top and bottom cross tubes on the vertical pipes, the protection steel cables are staggered with respect to the cross bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105000.7A CN110714603A (en) | 2019-11-13 | 2019-11-13 | Steel pipe and steel rope composite scaffold system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911105000.7A CN110714603A (en) | 2019-11-13 | 2019-11-13 | Steel pipe and steel rope composite scaffold system and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110714603A true CN110714603A (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911105000.7A Pending CN110714603A (en) | 2019-11-13 | 2019-11-13 | Steel pipe and steel rope composite scaffold system and construction method thereof |
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| Country | Link |
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| CN (1) | CN110714603A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942770A (en) * | 2021-01-28 | 2021-06-11 | 泉州市中原盛辉地产代理有限公司 | Full framing scaffold applied to wind tunnel body construction and building method thereof |
| CN113669630A (en) * | 2021-09-01 | 2021-11-19 | 南京智宝节能环保科技有限公司 | Control mechanism of ammonia water three-way valve of coke oven ascending pipe |
-
2019
- 2019-11-13 CN CN201911105000.7A patent/CN110714603A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942770A (en) * | 2021-01-28 | 2021-06-11 | 泉州市中原盛辉地产代理有限公司 | Full framing scaffold applied to wind tunnel body construction and building method thereof |
| CN113669630A (en) * | 2021-09-01 | 2021-11-19 | 南京智宝节能环保科技有限公司 | Control mechanism of ammonia water three-way valve of coke oven ascending pipe |
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