CN114215321B - Length-adjustable disc buckle type cross bar - Google Patents
Length-adjustable disc buckle type cross bar Download PDFInfo
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- CN114215321B CN114215321B CN202111474601.2A CN202111474601A CN114215321B CN 114215321 B CN114215321 B CN 114215321B CN 202111474601 A CN202111474601 A CN 202111474601A CN 114215321 B CN114215321 B CN 114215321B
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- sleeve
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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
- E04G1/06—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 comprising members with rod-like or tubular portions fitting together end to end, with or without separate connecting pieces
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/06—Consoles; Brackets
- E04G5/061—Consoles; Brackets specially adapted for attachment to scaffolds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of scaffold cross bar installation for buildings, in particular to a length-adjustable disc buckle type cross bar, which comprises a cross bar, wherein the cross bar comprises an outer sleeve and inner sleeves which are inserted at two ends of the outer sleeve in a sliding manner, the outer sleeve and the inner sleeve are fixedly connected through a ring nut, a pre-tightening piece connected with a pre-tightening pull rope is arranged in an inner cavity of the outer sleeve, the other end of the pre-tightening pull rope extends to the outer side of the outer sleeve, and the outer sleeve and the inner sleeve are clamped and fixed on a clamping frame, so that the length-adjustable disc buckle type cross bar has the beneficial effects that: through the customized connection ring nut, can connect the inside and outside sleeve of different diameters, reduce the requirement to telescopic model, reduced the component production degree of difficulty, improved material utilization, be favorable to developing resource saving type economy, utilize the fastening of pretension stay cord to prevent that interior sleeve pipe from coming off simultaneously, utilize the rubber arc board of extrusion fastening to realize interior sleeve pipe further fixed to fixed connection intensity after the slip is adjusted has been improved greatly.
Description
Technical Field
The invention relates to the technical field of scaffold cross bar installation for buildings, in particular to a length-adjustable disc buckle type cross bar.
Background
The disc buckle type scaffold is a novel scaffold with wide application, high bearing capacity, convenient disassembly and assembly, safety and stability, and is widely applied to an outer scaffold and a template support frame. However, the scaffold is produced according to a fixed modulus, the length is fixed, and the length of the male and female corner parts of the scaffold is often related to the length of a specific engineering structure in actual construction, so that the scaffold is greatly limited.
Therefore, the length-adjustable disc buckle type cross bar is provided to solve the problems of length adjustment and fixation of the cross bar on the scaffold.
Disclosure of Invention
The invention aims to provide a length-adjustable disc buckle type cross rod so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a coiled knot formula horizontal pole of adjustable length, includes the horizontal pole, the horizontal pole includes the outer tube and slides the interior sleeve pipe of grafting at the outer tube both ends, through ring nut fastening connection between outer tube and the interior sleeve pipe, is provided with the pretension piece that the pretension rope was connected in the inner chamber of outer tube, and the other end of pretension stay cord extends to the outside of outer tube, and outer tube and interior sleeve pipe centre gripping are fixed on the holder, the inside sleeve pipe's outside end connection horizontal pole connector, the inner end be provided with outer tube inner chamber fixed connection's spacing ring, ring nut's one end screw thread centre gripping is fixed on the outer tube, ring nut's other end inner chamber is provided with a pair of rubber arc board of upper and lower symmetry, the rubber arc board passes through the extrusion taper ring fastening of screw-thread mount in the ring nut outside.
Preferably, a pair of transversely extending first sliding grooves which are symmetrical front and back are formed in the inner wall of the outer sleeve, at least one annular first clamping groove is formed in the first sliding grooves, the limiting rings are installed on the outer wall of the inner end of the inner sleeve in a threaded fastening mode, limiting blocks which transversely slide along the first sliding grooves are arranged on the outer wall of the limiting rings, and the limiting blocks are rotationally clamped in the first clamping grooves.
Preferably, the inner cavity end of the outer sleeve is provided with a screw hole, the sleeve is installed in the screw hole in a threaded manner, the pre-tightening piece comprises a circular plate with an extension block and a telescopic rod which is inserted into the sleeve in a sliding manner, the circular plate is positioned on the outer side of the sleeve, the telescopic rod is inserted into the inner cavity of the sleeve, and the end of the telescopic rod and the inner wall of the sleeve are transversely pressed with a first spring.
Preferably, a pair of second sliding grooves which are symmetrical in the front-back direction are formed in the inner wall of the inner end part of the inner sleeve, at least one annular second clamping groove is formed in the inner side, close to the inner side of the inner sleeve, of the second sliding groove, a circular plate with an extension block on the pre-tightening piece is slidably inserted into the inner sleeve along the second sliding groove, and the extension block is rotationally clamped in the second clamping groove.
Preferably, the middle section of outer tube transversely is provided with the wire casing of intercommunication screw, and the centre of wire casing outwards extends and is provided with the slot, and it has the inserted bar to slide in the slot to peg graft, the one end of pretension stay cord is tied up to the tip of telescopic link on the pretension spare, and the middle section of pretension stay cord extends along wire casing and slot, and the other end of pretension stay cord is fixed on the inserted bar, and the inserted bar extends to the outside of outer tube, and the inserted bar passes through the baffle ring pressfitting on the outer wall of outer tube.
Preferably, the clamping frame is composed of two groups of rotating clamps, the two groups of clamps are respectively clamped on the outer walls of the outer sleeve and the inner sleeve, and the clamps rotating forwards and backwards are fixedly connected through fastening bolts.
Preferably, the outer walls at two ends of the outer sleeve are provided with second external threads, one end thread of the ring nut is rotatably arranged in the second external threads, the inner cavity of the ring nut is provided with a step inner cavity, the end part of the outer sleeve is propped against the inner wall of one side of the large inner diameter of the step inner cavity of the ring nut, the outer wall of the inner sleeve is slidably inserted into the other side of the step inner cavity of the ring nut, and a pair of rubber arc plates which are symmetrically and slidably arranged are arranged in a modified manner are arranged on the inner wall of one side of the small inner diameter of the step inner cavity of the ring nut.
Preferably, a double circular ring groove with inner and outer distribution is arranged on the inner wall of one side of the small inner diameter of the stepped inner cavity of the circular ring nut, the double circular ring grooves with inner and outer distribution are communicated through a vertical groove, a rubber arc plate is arranged in the inner circular ring groove of the double circular ring groove, a pressure-bearing conical ring is arranged on the outer circular ring of the double circular ring groove, the pressure-bearing conical ring is connected with the rubber arc plate through a connecting rod which is slidably arranged in the vertical groove, and a second spring is vertically pressed between the lower end of the pressure-bearing conical ring and the inner wall of the outer circular ring groove of the double circular ring groove.
Preferably, a first external thread is arranged on the outer wall of the ring nut, an extrusion ring is rotatably arranged on the first external thread in a threaded mode, the extrusion ring is connected with the extrusion cone ring through four groups of fixing rods distributed in a circumferential array mode, and the inclined surface of the extrusion cone ring is pressed on the outer inclined surface of the pressure-bearing cone ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the length of the cross rod is adjusted by arranging the inner sleeve and the outer sleeve which are in sliding connection, so that the on-site construction difficulty is effectively reduced, the construction efficiency is greatly improved, the potential safety hazard caused by illegal erection of steel pipes is eliminated, the bridge beam is avoided, the construction efficiency is improved, a large amount of I-steel is saved, and the economic benefit is remarkable;
2. the invention can connect the inner sleeve and the outer sleeve with different diameters through customizing the connecting ring nut, reduces the model requirement on the sleeve, reduces the production difficulty of the component, improves the material utilization rate, is beneficial to developing resource saving economy, simultaneously prevents the inner sleeve from falling off by utilizing the fastening of the pre-tightening pull rope, realizes the further fixation of the inner sleeve by utilizing the rubber arc plate fastened by extrusion, and greatly improves the fixed connection strength after sliding adjustment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A;
FIG. 4 is a schematic view of the three-dimensional structure of the outer sleeve of the present invention;
FIG. 5 is a schematic view of the inner sleeve of the present invention in semi-section;
fig. 6 is a schematic perspective view of a ring nut according to the present invention.
In the figure: 1. an outer sleeve; 2. an inner sleeve; 3. a cross bar connector; 4. a ring nut; 5. a clamping frame; 6. pre-tightening a pull rope; 7. a sleeve; 8. a first spring; 9. a pretension member; 10. an extension block; 11. a rod; 12. a clamp; 13. a fastening bolt; 14. extruding the circular ring; 15. a first external thread; 16. double circular grooves; 17. a vertical slot; 18. a rubber arc plate; 19. a connecting rod; 20. a pressure-bearing conical ring; 21. a second spring; 22. a fixed rod; 23. extruding the conical ring; 24. a slot; 25. a wire slot; 26. a screw hole; 27. a first clamping groove; 28. a first chute; 29. a second external thread; 30. a limiting ring; 31. a limiting block; 32. a second clamping groove; 33. and a second chute.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides a dish knot formula horizontal pole of adjustable length, including the horizontal pole, the horizontal pole includes outer tube 1 and slip grafting at the interior sleeve pipe 2 at outer tube 1 both ends, the inner of interior sleeve pipe 2 is provided with the spacing ring 30 with outer tube 1 inner chamber fixed connection, be provided with a pair of transversely extending's of fore-and-aft symmetry first spout 28 in the inner wall of outer tube 1, the inboard tip of first spout 28 is provided with annular first draw-in groove 27, spacing ring 30 screw thread fastening installs on the inner outer wall of interior sleeve pipe 2, the outer wall of spacing ring 30 is provided with along the stopper 31 of first spout 28 transversely gliding, stopper 31 rotation joint is in first draw-in groove 27, utilize the cooperation of first spout 28 and stopper 31 to realize the horizontal slip grafting of interior sleeve pipe 2, after the grafting, realize the dislocation joint of stopper 31 in first draw-in groove 27 through rotating interior sleeve pipe 2, and then realize the fixed in position of interior sleeve pipe 2 in outer tube 1.
The inner chamber tip of outer tube 1 is provided with screw 26, and sleeve 7 is installed to screw 26 internal thread, and pretension piece 9 is including the plectane that has extension piece 10 and slip grafting telescopic link in sleeve 7, and the plectane is located the outside of sleeve 7, and the telescopic link is pegged graft in the inner chamber of sleeve 7, and the tip of telescopic link and the horizontal pressfitting of inner wall of sleeve 7 have first spring 8, utilize screw 26 to realize sleeve 7's fixed mounting, and then realize pretension piece 9's slip grafting.
The inner wall of the inner end part of the inner sleeve 2 is provided with a pair of second sliding grooves 33 which are symmetrical front and back, the end part of the second sliding groove 33, which is close to the inner side of the inner sleeve 2, is provided with a circular second clamping groove 32, a circular plate with an extension block 10 on the pre-tightening piece 9 is slidably inserted into the inner sleeve 2 along the second sliding groove 33, the extension block 10 is rotationally clamped in the second clamping groove 32, in the inserting process of the inner sleeve 2, the connection of the inner sleeve 2 and the pre-tightening piece 9 is realized through the matching of the extension block 10 and the second sliding groove 33, and then, in the rotating process of the inner sleeve 2, the clamping connection of the extension block 10 and the second clamping groove 32 is realized, so that the fixed connection of the inner sleeve 2 and the pre-tightening piece 9 is realized.
The inner cavity of the outer sleeve 1 is provided with a pre-tightening piece 9 connected with a pre-tightening rope 6, the other end of the pre-tightening rope 6 extends to the outer side of the outer sleeve 1, the middle section of the outer sleeve 1 is transversely provided with a wire groove 25 communicated with a screw hole 26, the middle of the wire groove 25 extends outwards perpendicularly and is provided with a slot 24, an inserted rod 11 is inserted in the slot 24 in a sliding mode, the end portion of the telescopic rod on the pre-tightening piece 9 is tied to one end of the pre-tightening rope 6, the middle section of the pre-tightening rope 6 extends along the wire groove 25 and the slot 24, the other end of the pre-tightening rope 6 is fixed on the inserted rod 11, the inserted rod 11 extends to the outer side of the outer sleeve 1, the inserted rod 11 is pressed on the outer wall of the outer sleeve 1 through a baffle ring, the length of the inserted rod 11 relative to the pre-tightening rope 6 is pulled through the traction of the pre-tightening rope 6, the position of the inner sleeve 2 is reached, separation and falling of the inner sleeve 2 and the outer sleeve 1 due to external force are prevented, and the pre-tightening protection purpose is achieved.
The outer sleeve 1 and the inner sleeve 2 are clamped and fixed on the clamping frame 5, the clamping frame 5 is composed of two groups of rotating hoops 12, the two groups of hoops 12 are respectively clamped on the outer walls of the outer sleeve 1 and the inner sleeve 2, the hoops 12 rotating back and forth are fixedly connected through fastening bolts 13, and the outer wall fastening clamping and fixing of the outer sleeve 1 and the inner sleeve 2 after the length adjustment is realized through the matching of the hoops 12 and the fastening bolts 13.
The outer sleeve 1 is fixedly connected with the inner sleeve 2 through a ring nut 4, one end thread of the ring nut 4 is clamped and fixed on the outer sleeve 1, second external threads 29 are arranged on the outer walls of the two ends of the outer sleeve 1, one end thread of the ring nut 4 is rotatably arranged in the second external threads 29, the inner cavity of the ring nut 4 is a stepped inner cavity, the end part of the outer sleeve 1 abuts against one side inner wall of the large inner diameter of the stepped inner cavity of the ring nut 4, the outer wall of the inner sleeve 2 is slidably inserted on the other side of the stepped inner cavity of the ring nut 4, a pair of rubber arc plates 18 which are symmetrically arranged in a sliding mode are arranged on one side inner wall of the small inner diameter of the stepped inner cavity of the ring nut 4, and the fixed connection between the ring nut 4 and the outer sleeve 1 is realized through the cooperation of the second external threads 29 and the ring nut 4.
The outside end connection horizontal pole connector 3 of interior sleeve pipe 2, the other end inner chamber of ring nut 4 is provided with a pair of rubber arc board 18 of upper and lower symmetry, be provided with inside and outside distribution's double circular groove 16 on the side inner wall of the little internal diameter of ring nut 4 ladder inner chamber, communicate through vertical groove 17 between the double circular groove 16 of inside and outside distribution, rubber arc board 18 installs in the inboard circular groove of double circular groove 16, the outside ring of double circular groove 16 is provided with the pressure-bearing cone ring 20, connect through the connecting rod 19 of slidable mounting in vertical groove 17 between pressure-bearing cone ring 20 and the rubber arc board 18, the vertical pressfitting has second spring 21 between the lower extreme of pressure-bearing cone ring 20 and the outside circular groove inner wall of double circular groove 16, utilize double circular groove 16 to realize the flexible slidable mounting of rubber arc board 18, and then make interior sleeve pipe 2 realize length adjustment under overcoming the frictional force with rubber arc board 18.
The rubber arc plate 18 is fastened through the extrusion taper ring 23 of screw thread installation in the ring nut 4 outside, be provided with first external screw thread 15 on the outer wall of ring nut 4, the extrusion ring 14 is installed in the screw thread rotation on the first external screw thread 15, extrusion ring 14 passes through four sets of dead levers 22 that circumference array distributes and connects extrusion taper ring 23, extrusion taper ring 23's inclined plane pressfitting is on pressure-bearing taper ring 20's outside inclined plane, through the rotation of extrusion ring 14 on first external screw thread 15, make extrusion taper ring 23's conical surface pressfitting on pressure-bearing taper ring 20's conical surface, and then make second spring 21 compressed, rubber arc plate 18 fastening centre gripping is on the outer wall of inner tube 2, realize further fixed to interior sleeve tube 2 position, avoid simultaneously because frictional force causes the wearing and tearing to rubber arc plate 18.
Working principle: firstly, the first chute 28 and the limiting block 31 are matched to realize the transverse sliding insertion of the inner sleeve 2, after the insertion, the second external thread 29 and the circular ring nut 4 are matched to realize the fixed connection of the circular ring nut 4 and the outer sleeve 1, and the double circular ring grooves 16 are utilized to realize the telescopic sliding installation of the rubber arc plate 18, so that the inner sleeve 2 realizes the length adjustment under the condition of overcoming the friction force with the rubber arc plate 18.
After the length is fixed, the dislocation joint of stopper 31 in first draw-in groove 27 is realized through rotating interior sleeve pipe 2, and then the fixed position of interior sleeve pipe 2 in outer tube 1 is realized, through the cooperation of extension piece 10 and second spout 33, realizes the connection of interior sleeve pipe 2 and pretension piece 9, and then in the interior sleeve pipe 2 rotation in-process, realizes the joint of extension piece 10 and second draw-in groove 32, reaches the fixed connection of interior sleeve pipe 2 and pretension piece 9.
The fixed mounting of sleeve 7 is realized to the screw 26, and then realizes the slip grafting of pretension piece 9, through the length of the relative pretension rope 6 of inserted bar 11, through the traction of pretension rope 6, reaches the purpose of relative interior sleeve pipe 2 position, prevents to drop because external force causes interior sleeve pipe 2 and outer tube 1 separation, reaches the purpose of pretension protection.
Through the cooperation of clamp 12 and fastening bolt 13, realize carrying out outer wall fastening centre gripping to outer tube 1 and interior sleeve pipe 2 after adjusting the length fixed, through the rotation of extrusion ring 14 on first external screw thread 15 for the conical surface pressfitting of extrusion cone ring 23 is on the conical surface of pressure-bearing cone ring 20, and then makes second spring 21 compressed, and rubber arc board 18 fastening centre gripping is on the outer wall of interior sleeve pipe 2, realizes further fixing to interior sleeve pipe 2 position, avoids simultaneously because frictional force causes the wearing and tearing to rubber arc board 18.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dish knot formula horizontal pole of adjustable length, includes horizontal pole, its characterized in that: the cross rod comprises an outer sleeve (1) and an inner sleeve (2) which is inserted into two ends of the outer sleeve (1) in a sliding manner, the outer sleeve (1) and the inner sleeve (2) are fixedly connected through a circular ring nut (4), a pre-tightening piece (9) connected with a pre-tightening pull rope (6) is arranged in an inner cavity of the outer sleeve (1), the other end of the pre-tightening pull rope (6) extends to the outer side of the outer sleeve (1), the outer sleeve (1) and the inner sleeve (2) are fixedly clamped on a clamping frame (5), the outer end of the inner sleeve (2) is connected with a cross rod connector (3), the inner end of the inner sleeve (2) is provided with a limiting ring (30) fixedly connected with the inner cavity of the outer sleeve (1), one end of the circular ring nut (4) is fixedly clamped on the outer sleeve (1), a pair of rubber arc plates (18) which are vertically symmetrical are arranged in the inner cavity of the other end of the circular ring nut (4), and the rubber arc plates (18) are fixedly arranged on an extrusion taper ring (23) on the outer side of the circular ring nut (4) through threads;
the outer wall of the two ends of the outer sleeve (1) is provided with second external threads (29), one end thread of the ring nut (4) is rotatably arranged in the second external threads (29), the inner cavity of the ring nut (4) is arranged as a stepped inner cavity, the end part of the outer sleeve (1) is propped against the inner wall of one side of the large inner diameter of the stepped inner cavity of the ring nut (4), the outer wall of the inner sleeve (2) is slidably inserted into the other side of the stepped inner cavity of the ring nut (4), and a pair of rubber arc plates (18) which are vertically symmetrically arranged are arranged on the inner wall of one side of the small inner diameter of the stepped inner cavity of the ring nut (4).
2. The adjustable length coil rail of claim 1, wherein: a pair of transversely extending first sliding grooves (28) are formed in the inner wall of the outer sleeve (1) in a front-back symmetrical mode, at least one annular first clamping groove (27) is formed in the first sliding grooves (28), the limiting rings (30) are installed on the outer wall of the inner end of the inner sleeve (2) in a threaded fastening mode, limiting blocks (31) transversely sliding along the first sliding grooves (28) are arranged on the outer wall of the limiting rings (30), and the limiting blocks (31) are rotationally clamped in the first clamping grooves (27).
3. The adjustable length coil rail of claim 1, wherein: the inner cavity end of the outer sleeve (1) is provided with a screw hole (26), the sleeve (7) is installed in the screw hole (26) through internal threads, the pre-tightening piece (9) comprises a circular plate with an extension block (10) and a telescopic rod which is inserted into the sleeve (7) in a sliding mode, the circular plate is located on the outer side of the sleeve (7), the telescopic rod is inserted into the inner cavity of the sleeve (7), and the end portion of the telescopic rod and the inner wall of the sleeve (7) are transversely pressed with a first spring (8).
4. A length adjustable coiled crossbar according to claim 3, wherein: the inner wall of the inner end part of the inner sleeve (2) is provided with a pair of second sliding grooves (33) which are symmetrical front and back, the end part of the second sliding grooves (33) close to the inner side of the inner sleeve (2) is at least provided with a circular second clamping groove (32), a circular plate with an extension block (10) on the pre-tightening piece (9) is slidingly inserted into the inner sleeve (2) along the second sliding grooves (33), and the extension block (10) is rotationally clamped in the second clamping groove (32).
5. A length adjustable coiled crossbar according to claim 3, wherein: the middle section of outer tube (1) transversely is provided with wire casing (25) of intercommunication screw (26), and the centre of wire casing (25) is perpendicular outwards to extend and is provided with slot (24), and it has inserted bar (11) to slip grafting in slot (24), the one end of pretension rope (6) is tied up to the tip of telescopic link on pretension piece (9), and the middle section of pretension rope (6) extends along wire casing (25) and slot (24), and the other end of pretension rope (6) is fixed on inserted bar (11), and outside that inserted bar (11) extended to outer tube (1), and inserted bar (11) are through the backing ring pressfitting on the outer wall of outer tube (1).
6. The adjustable length coil rail of claim 1, wherein: the clamping frame (5) is composed of two groups of rotating hoops (12), the two groups of hoops (12) are respectively clamped on the outer walls of the outer sleeve (1) and the inner sleeve (2), and the hoops (12) rotating forwards and backwards are fixedly connected through fastening bolts (13).
7. The adjustable length coil rail of claim 1, wherein: the novel nut is characterized in that double circular grooves (16) which are distributed inside and outside are formed in the inner wall of one side of the small inner diameter of the stepped inner cavity of the circular nut (4), the double circular grooves (16) which are distributed inside and outside are communicated through vertical grooves (17), rubber arc plates (18) are installed in the inner circular grooves of the double circular grooves (16), pressure-bearing conical rings (20) are arranged on the outer circular rings of the double circular grooves (16), the pressure-bearing conical rings (20) are connected with the rubber arc plates (18) through connecting rods (19) which are installed in the vertical grooves (17) in a sliding mode, and second springs (21) are vertically pressed between the lower ends of the pressure-bearing conical rings (20) and the inner walls of the outer circular grooves of the double circular grooves (16).
8. The adjustable length coil rail of claim 7, wherein: the novel nut is characterized in that a first external thread (15) is arranged on the outer wall of the ring nut (4), an extrusion ring (14) is installed on the first external thread (15) in a threaded rotation mode, the extrusion ring (14) is connected with an extrusion conical ring (23) through four groups of fixing rods (22) distributed in a circumferential array mode, and the inclined surface of the extrusion conical ring (23) is pressed on the outer inclined surface of the pressure-bearing conical ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111474601.2A CN114215321B (en) | 2021-12-06 | 2021-12-06 | Length-adjustable disc buckle type cross bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111474601.2A CN114215321B (en) | 2021-12-06 | 2021-12-06 | Length-adjustable disc buckle type cross bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215321A CN114215321A (en) | 2022-03-22 |
| CN114215321B true CN114215321B (en) | 2023-05-30 |
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| CN202111474601.2A Active CN114215321B (en) | 2021-12-06 | 2021-12-06 | Length-adjustable disc buckle type cross bar |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117266557A (en) * | 2023-09-22 | 2023-12-22 | 中国建筑一局(集团)有限公司 | Concrete single-beam formwork support frame |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605730A (en) * | 2021-08-25 | 2021-11-05 | 中建八局第二建设有限公司 | Safety protection net is used in high-rise building construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4189029A (en) * | 1978-09-06 | 1980-02-19 | Jordan Henry W | Scaffold device |
| JP2011220373A (en) * | 2010-04-05 | 2011-11-04 | Koichi Tanoi | Double locking device in pipe structure |
| CN103510694A (en) * | 2012-06-29 | 2014-01-15 | 姚磊 | Externally-hung protective frame |
| CN211850759U (en) * | 2019-12-25 | 2020-11-03 | 中交第一航务工程局有限公司 | Construction safety supporting rod for building scaffold |
| CN211923495U (en) * | 2020-03-24 | 2020-11-13 | 中元建设集团股份有限公司 | Disk buckle type non-modulus horizontal adjusting rod |
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2021
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605730A (en) * | 2021-08-25 | 2021-11-05 | 中建八局第二建设有限公司 | Safety protection net is used in high-rise building construction |
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Address after: 250014 17th floor, unit 1, phase II office building, Zhongjian cultural city, 16 Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant after: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Address before: 250014 18th floor, Zhongjian building, No.16, Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant before: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION |
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