CN110952770B - Detachable scaffold in narrow space - Google Patents
Detachable scaffold in narrow space Download PDFInfo
- Publication number
- CN110952770B CN110952770B CN201911292551.9A CN201911292551A CN110952770B CN 110952770 B CN110952770 B CN 110952770B CN 201911292551 A CN201911292551 A CN 201911292551A CN 110952770 B CN110952770 B CN 110952770B
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- Prior art keywords
- rod
- fixing
- fixed
- cover
- cross
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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
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/12—Clamps or clips for crossing members
- E04G7/14—Clamps or clips for crossing members for clamping the members independently
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a detachable scaffold in a narrow space, which comprises upright posts, fixing devices and cross rods, wherein the upright posts are arranged on the upper surface of the scaffold; the fixing device comprises a vertical rod fixing device and a cross rod fixing device; the upright rod fixing device comprises a rotating cover and a fixing cover; the cross bar fixing device comprises a sliding cover; the rotating cover is connected with the fixed cover through a ball; the side surface of the rotating cover is provided with a vertical rod fixing rod; the sliding cover is connected with a cross rod in a sliding mode through threads, and a cross rod fixing rod is arranged on the side face of the sliding cover; the cross rod fixing rod is connected with the vertical rod fixing rod through a bolt; the invention has the beneficial effects that: the bent part of the cross rod is matched with the bent part of the vertical rod, so that the angle is limited to be redundant, the integral stability of the device is ensured, and the device is convenient to use in a narrow space; the connection in an embedded mode can provide a more stable structure; the pressure is dispersed by the stator and the fixed baffle.
Description
Technical Field
The invention relates to the field of engineering equipment, in particular to a detachable scaffold in a narrow space.
Background
The subway is a form of railway transportation, and covers various urban rail transit systems with special rights of way, high density and high traffic volume underground and on the ground in urban areas, namely the underground railway or the underground railway are abbreviated; the subway track is generally in geological structure stable place, utilize open cut backfill method, bore and dig the method and carry out tunnel excavation, adopt open cut in the same direction as the way of doing all can, foundation ditch lid is dug in the same direction as the way of doing all can and foundation ditch lid and is dug the reverse way to carry out station construction, simultaneously when the base construction finishes, need build the construction scaffold and go on further refining and be strong and establish, but because subway foundation ditch spatial structure is complicated, the scaffold position of setting up usually is comparatively mild and broad, consequently need to synthesize local geology and climate condition to setting up of the scaffold of subway foundation ditch.
The invention is as follows: a scaffold connecting device (application number: CN 201920244354.9) for subway construction relates to a subway construction auxiliary device, in particular to a scaffold connecting device for subway construction, which comprises a vertical pipe fixing fastener mechanism and a horizontal pipe fixing fastener mechanism, and can increase the clamping force of two clamping semi-rings on opposite inner sides by utilizing the dead weight of a horizontal steel pipe connected with a connecting fastener and the load borne by a scaffold, thereby increasing the static friction force of the two clamping semi-rings and the vertical steel pipe of the connected scaffold, further increasing the stability of the fastener when the scaffold is connected, and ensuring that the scaffold is safer to use. Although the clamping semi-rings are adopted to disperse pressure and further increase static friction force, the scaffold is stabilized; but the connectors adopted by the connector are not in the same plane; meanwhile, only one clamping mechanism is adopted to bear pressure, and when the connecting part is broken, a safety measure cannot be provided, so that the life safety of workers is protected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a detachable scaffold in a narrow space so as to at least achieve the purposes of stabilizing, firmly and dispersing pressure in multiple directions
The purpose of the invention is realized by the following technical scheme:
a detachable scaffold in a narrow space relates to a scaffold connecting mechanism and comprises upright posts, fixing devices and cross bars; the fixing device comprises at least one group of upright rod fixing devices and at least one group of cross rod fixing devices, each upright rod fixing device comprises a rotating cover, a fixing cover and an upright rod fixing rod, the rotating cover is arranged above the fixing cover along the direction of the fixing device entering the upright rod and is connected with the fixing cover through a ball so as to realize the relative rotation between the rotating cover and the fixing cover; the fixed cover and the rotating cover are both provided with upright rod thread through holes at the circle centers, and the aperture of the upright rod thread through hole is matched with the radius of the cross section of the upright rod; the surface of the upright rod is provided with threads, and the upright rod penetrates through the threaded through hole of the upright rod; the upright rod fixing rod is arranged on the side surface of the rotating cover and is vertical to the upright rod;
the cross rod fixing device comprises a sliding cover and a cross rod fixing rod, wherein a cross rod thread through hole is formed in the circle center of the sliding cover, and the cross rod penetrates through the cross rod thread through hole; the cross bar fixing rods are symmetrically arranged on the side surface of the sliding cover relative to the axial lead of the sliding cover and are vertical to the cross bar;
one end of the cross rod is symmetrically provided with fixing bulges relative to the axial lead of the cross rod, and the fixing bulges are clamped in the fixing cover and used for fixing the cross rod in the disc buckle;
the upright rod fixing rod is fixedly connected with the cross rod fixing rod through a bolt.
Preferably, in order to further fix the cross rod, a fixed disk is arranged in the fixed cover, and the center of the fixed disk is provided with the threaded through hole of the upright rod; four fixing grooves are uniformly formed in the fixing disc along the circle center of the fixing disc, and the size and the shape of each fixing groove are matched with those of the fixing protrusions; the fixing bulge is a cuboid bulge; the size of the opening of the fixed groove gradually narrows along with the depth change; through the fixed recess on the fixed disk that fixed lid set up, inject fixed protruding and fixed recess simultaneously and pass through embedded fixed, can provide more stable structure simultaneously at scaffold frame detachable, make scaffold frame overall stability.
Preferably, in order to further enable the cross rod and the vertical rod to be fixed more fully, one end of the vertical rod fixing rod is provided with a vertical rod bending part, and one end of the cross rod fixing rod is provided with a cross rod bending part; the bent part of the upright rod and the bent part of the cross rod are positioned on the same plane and fixedly connected through the bolt; the bending angles of the bending parts of the vertical rods and the bending parts of the cross rods are both 45 degrees; utilize the crookedness of two kinds of poles, make pressure offset partly through the slope mode, inject the pole setting crookedness simultaneously and the angle of horizontal pole crookedness is complementary, makes horizontal pole dead lever and pole setting dead lever agree with inseparabler, and the pressure that dispersion pole setting and horizontal pole received when fixing device's fixed lid and fixed protruding fracture condition appear, can guarantee the holistic stability of device.
Preferably, in order to further enable the cross bar to be better matched with the vertical rod, a locking device is arranged at the center of a circle at the tail end of the cross bar, and a fixing accommodating groove for accommodating the locking device is arranged at the corresponding vertical rod; the locking device is a fixed block, and the tail end of the locking device is symmetrically provided with a cuboid stator relative to the axial lead of the locking device; the fixed holding tank is internally provided with a fixed baffle, and the fixed baffle grains are arranged right above and right below the fixed holding tank; the fixed baffle is an arc baffle with a central angle of 60 degrees, and the height of the fixed baffle is consistent with that of the cuboid stator; utilize the fixed line that keeps off of cuboid stator and arc screw thread, utilize the fixed line that keeps off of arc screw thread to block the cuboid stator, adopt the cuboid stator that the symmetry set up simultaneously, pressure on the further dispersion horizontal pole is to the pole setting, makes the scaffold frame more stable.
The invention has the beneficial effects that:
1. the bending part of the cross rod arranged on the sliding cover of the cross rod is matched with the bending part of the vertical rod, the relationship between the bending angle of the bending part of the vertical rod and the bending angle of the bending part of the cross rod are limited, and the bending part of the vertical rod and the bending angle of the bending part of the cross rod are connected in a bolt mode, so that the cross rod can be stably matched with the vertical rod, when a fixed disc and a fixed bulge of a disc buckle are broken, the integral stability of the device can be ensured, and the life safety of workers is; meanwhile, in a narrow space, the scaffold can be quickly disassembled and assembled, so that the space is saved, and the overall stability of the scaffold is ensured.
2. Through the fixed recess on the fixed disk that fixed lid set up, inject fixed arch simultaneously and be connected through the embedding mode with fixed recess to the opening size of fixed recess narrows down gradually along with the degree of depth change, can provide more stable structure simultaneously at scaffold frame detachable, and dispersed pressure makes scaffold frame overall stability.
3. Utilize the fixed line that keeps off of cuboid stator and arc screw thread, utilize the fixed line that keeps off of arc screw thread to block the cuboid stator, adopt the cuboid stator that the symmetry set up simultaneously, pressure on the further dispersion horizontal pole is to the pole setting, makes the scaffold frame more stable.
Drawings
FIG. 1 is a schematic view of an apparatus of the present invention;
FIG. 2 is a cross-sectional view of the apparatus of the present invention;
FIG. 3 is a schematic view of a mounting plate of the present invention;
FIG. 4 is a schematic view of a fixing device according to the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a detachable scaffold in a narrow space relates to a scaffold connecting mechanism, which comprises a vertical rod 1, a fixing device 2 and a cross rod 3;
as shown in fig. 2, the fixing device 2 includes at least one set of upright rod fixing device 21 and at least one set of cross rod fixing device 22, the upright rod fixing device 21 includes a rotating cover 211, a fixing cover 212 and an upright rod fixing rod 213, the rotating cover 211 is disposed above the fixing cover 212 along the direction that the fixing device 2 enters the upright rod 1, and is connected with the fixing cover 212 through a ball for realizing the relative rotation between the rotating cover 211 and the fixing cover 212; the fixed cover 212 and the rotating cover 211 are both provided with vertical rod thread through holes 215 at the circle centers, and the aperture of the vertical rod thread through hole 215 is matched with the radius of the cross section of the vertical rod 1; the surface of the upright rod 1 is provided with threads, and the upright rod 1 penetrates through the upright rod thread through hole 215; the upright rod fixing rod 213 is arranged on the side surface of the rotating cover 211 and is perpendicular to the upright rod 1;
the cross bar fixing device 22 comprises a sliding cover 221 and a cross bar fixing rod 223, a cross bar thread through hole is formed in the circle center of the sliding cover 221, and the cross bar 3 penetrates through the cross bar thread through hole; the cross bar fixing rods 223 are symmetrically arranged on the side surface of the sliding cover 221 relative to the axis of the sliding cover 221 and are perpendicular to the cross bar 3;
one end of the cross rod 3 is symmetrically provided with fixing bulges 31 relative to the axis of the cross rod 3, and the fixing bulges 31 are clamped in the fixing cover 212 to fix the cross rod 3 in the disc buckle 2;
the upright rod fixing rod 213 is fixedly connected with the cross rod fixing rod 223 through a bolt.
In order to further enable the cross rod 3 and the vertical rod 1 to be fixed more fully, the bending angles of the vertical rod bending part 214 and the cross rod bending part 224 are both 45 degrees, and the bending angles of the vertical rod bending part 214 and the cross rod bending part 224 are limited to be complementary, so that the vertical rod bending part 214 and the cross rod bending part 224 can be limited to be matched more tightly, the pressure on the vertical rod 1 and the cross rod 3 is dispersed, and when the fixed disk 2121 of the fixed cover 212 and the fixed protrusion 31 are broken, the integral stability of the device can be ensured.
As shown in fig. 3, in order to further fix the cross bar, a fixing plate 2121 is disposed in the fixing cover 212, four fixing grooves 2122 are uniformly disposed along the center of the fixing plate 2121, and the size and shape of the fixing grooves 2122 are adapted to the fixing protrusions 31; the fixing bulge 31 is a cuboid bulge; the opening size of the fixing groove 2122 gradually narrows with the depth change; through the fixed recess on the fixed disk that fixed lid set up, inject fixed protruding and fixed recess simultaneously and pass through embedded fixed, can provide more stable structure simultaneously at scaffold frame detachable, make scaffold frame overall stability.
In order to further enable the fixing between the cross bar and the vertical bar to be more sufficient, one end of the vertical bar fixing rod 213 is provided with a vertical bar bending part 214, and one end of the cross bar fixing rod 223 is provided with a cross bar bending part 224; the vertical rod bending part 214 and the cross rod bending part 224 are positioned on the same plane and are fixedly connected through the bolt; the bending angles of the vertical rod bending part 214 and the transverse rod bending part 224 are both 45 degrees; utilize the crookedness of two kinds of poles, make pressure offset a part through the slope mode, inject the angle of pole setting crookedness 214 and horizontal pole crookedness 224 each other simultaneously, make horizontal pole dead lever 213 and pole setting dead lever 223 can agree with more closely, the pressure that dispersion pole setting 1 and horizontal pole 3 received, when the fixed lid 212 of fixing device 2 and fixed protruding 31 the fracture condition appear, can guarantee the holistic stability of device.
As shown in fig. 3, in order to make the cross bar 3 better fit with the vertical rod 1 and further make the cross bar better fit with the vertical rod, a locking device 32 is arranged at the center of a circle at the tail end of the cross bar 3, and a fixing accommodating groove 11 for accommodating the locking device 32 is arranged at the corresponding vertical rod 1; the locking device 32 is a fixed block, and the tail end of the locking device 32 is symmetrically provided with a cuboid stator 321 relative to the axial lead thereof; a fixed baffle 111 is arranged in the fixed accommodating groove 11, and the fixed baffle 111 is arranged right above and right below the fixed accommodating groove 11; the fixed baffle 111 is an arc baffle with a central angle of 60 degrees, and the height of the fixed baffle is consistent with that of the cuboid fixer 321; utilize cowl's fixed stop 111 to block cuboid stator 321, adopt the cuboid stator 321 of symmetry setting simultaneously, further disperse pressure on the horizontal pole 3 to pole setting 1 on, make the scaffold frame more stable.
Working process or principle: when the scaffold needs to be connected, firstly, a scaffold base is erected according to geographical conditions, and then the distance between the symmetrical fixing devices 2 on the upright stanchions 1 is adjusted according to the height, so that the cuboid fixing bulges 31 of the cross rods 3 can be embedded into the fixing discs 2121 on the fixing covers 212, and meanwhile, the cuboid fixing bulges 31 are clamped by the fixing grooves 2122 which are correspondingly formed on the fixing discs 2121 and have gradually narrowed opening sizes along with the change of depth; when the fixing device needs to be placed, the cuboid fixer 321 in the locking device 32 on the cross bar 3 is firstly rotated to a position perpendicular to the fixing baffle 111 in the fixing containing groove 11, and then is embedded into the fixing containing groove 11, and the cross bar 3 is rotated to enable the cuboid fixer 321 to be superposed with the fixing baffle 111, so that the position is limited by the fixing baffle 111 in the fixing containing groove 11; then the rotating cover 211 is rotated and the sliding cover 221 is slid, so that the 45 ° angle upright rod bending part 214 of the upright rod fixing rod 213 can correspond to the 45 ° angle cross rod bending part 224 of the corresponding cross rod fixing rod 223 on the cross rod 3, namely, the angles are complementary; and the two are fixed by using the bolt, so that the scaffold is convenient to disassemble, and a stable scaffold is built step by step.
The foregoing is illustrative of the preferred practice of the present invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, or as otherwise known by the skilled artisan. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a scaffold frame dismantled in narrow and small space which characterized in that: relates to a scaffold connecting mechanism, which comprises a vertical rod (1), a fixing device (2) and a cross rod (3); the fixing device (2) comprises at least one group of upright rod fixing devices (21) and at least one group of cross rod fixing devices (22), each upright rod fixing device (21) comprises a rotating cover (211), a fixing cover (212) and an upright rod fixing rod (213), and the rotating cover (211) is arranged above the fixing cover (212) along the direction that the fixing device (2) enters the upright rod (1) and is connected with the fixing cover (212) through balls so as to realize the relative rotation between the rotating cover (211) and the fixing cover (212); the fixed cover (212) and the rotating cover (211) are provided with vertical rod thread through holes (215) at the circle centers, and the aperture of each vertical rod thread through hole (215) is matched with the radius of the cross section of the vertical rod (1); the surface of the upright rod (1) is provided with threads, and the upright rod (1) is arranged in the upright rod thread through hole (215) in a penetrating manner; the upright rod fixing rod (213) is arranged on the side surface of the rotating cover (211) and is vertical to the upright rod (1);
the cross bar fixing device (22) comprises a sliding cover (221) and a cross bar fixing rod (223), a cross bar thread through hole is formed in the circle center of the sliding cover (221), and the cross bar (3) penetrates through the cross bar thread through hole; the cross bar fixing rods (223) are symmetrically arranged on the side surface of the sliding cover (221) relative to the axial lead of the sliding cover (221) and are vertical to the cross bar (3);
one end of the cross rod (3) is symmetrically provided with fixed bulges (31) relative to the axis of the cross rod (3), and the fixed bulges (31) are clamped in the fixed cover (212) and used for fixing the cross rod (3) in the fixing device (2);
the upright rod fixing rod (213) is fixedly connected with the cross rod fixing rod (223) through a bolt;
a locking device (32) is arranged at the circle center of the tail end of the cross rod (3), and a fixing accommodating groove (11) for accommodating the locking device (32) is arranged at the side surface of the corresponding upright rod (1);
the locking device (32) is a fixed block, and cuboid stators (321) are symmetrically arranged at the tail end of the locking device (32) relative to two side surfaces of the axial lead of the locking device;
fixed holding tank (11) in be equipped with fixed baffle (111), fixed baffle (111) set up directly over fixed holding tank (11) and directly under.
2. The detachable scaffold in a narrow space according to claim 1, wherein: a fixed disc (2121) is arranged in the fixed cover (212), and the center of the circle of the fixed disc (2121) is provided with the vertical rod thread through hole (215); the fixed disk (2121) is uniformly provided with four fixed grooves (2122) along the circle center, and the size and the shape of each fixed groove (2122) are matched with the corresponding fixed protrusion (31).
3. A detachable scaffold in a narrow space according to claim 1 or 2, wherein: the fixing bulge (31) is a cuboid bulge.
4. The detachable scaffold in a narrow space according to claim 2, wherein: the opening size of the fixing groove (2122) is gradually narrowed along with the change of the depth.
5. The detachable scaffold in a narrow space according to claim 1, wherein: one end of the upright rod fixing rod (213) is provided with an upright rod bending part (214), and one end of the cross rod fixing rod (223) is provided with a cross rod bending part (224); the vertical rod bending part (214) and the cross rod bending part (224) are positioned on the same plane and fixedly connected through the bolt.
6. The detachable scaffold in a narrow space according to claim 5, wherein: the bending angles of the vertical rod bending part (214) and the cross rod bending part (224) are both 45 degrees.
7. The detachable scaffold in a narrow space according to claim 1, wherein: the fixed baffle (111) is an arc baffle with a central angle of 60 degrees, and the height of the fixed baffle is consistent with that of the cuboid fixer (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292551.9A CN110952770B (en) | 2019-12-14 | 2019-12-14 | Detachable scaffold in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911292551.9A CN110952770B (en) | 2019-12-14 | 2019-12-14 | Detachable scaffold in narrow space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110952770A CN110952770A (en) | 2020-04-03 |
| CN110952770B true CN110952770B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911292551.9A Active CN110952770B (en) | 2019-12-14 | 2019-12-14 | Detachable scaffold in narrow space |
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| Country | Link |
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| CN (1) | CN110952770B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764624A (en) * | 2020-06-30 | 2020-10-13 | 中国五冶集团有限公司 | Operating platform for high-altitude welding operation of steel structure column |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201080U (en) * | 1986-03-03 | 1987-04-15 | 铁道部专业设计院标准处 | Multi-functional scaffold with buckles |
| CN2193403Y (en) * | 1993-12-24 | 1995-03-29 | 谭锦泉 | Steel pipe scaffold |
| CN200989057Y (en) * | 2006-12-21 | 2007-12-12 | 姜中璋 | Conic clamping steel pipe scaffold coupling parts |
| CN101122173A (en) * | 2007-09-05 | 2008-02-13 | 姜中璋 | Fastener for steel pipe scaffold butting |
| CN204633991U (en) * | 2015-05-25 | 2015-09-09 | 许扬 | Headset style adjusting device |
| CN205822763U (en) * | 2016-07-15 | 2016-12-21 | 绍兴碧园建设有限公司 | A kind of bowl fastening type steel pipe scaffold being easy to assemble |
| CN207727963U (en) * | 2017-12-26 | 2018-08-14 | 无锡市平步五金机械包装有限公司 | Scaffold casting bowl buckle connector |
| CH714926A2 (en) * | 2018-04-24 | 2019-10-31 | Tsag Baumaterialien Gmbh | Connecting element for mounting a side guard and side protection system. |
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2019
- 2019-12-14 CN CN201911292551.9A patent/CN110952770B/en active Active
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