CN109057370B - Use method of horizontal limiting device for net rack jacking construction - Google Patents
Use method of horizontal limiting device for net rack jacking construction Download PDFInfo
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- CN109057370B CN109057370B CN201810919742.2A CN201810919742A CN109057370B CN 109057370 B CN109057370 B CN 109057370B CN 201810919742 A CN201810919742 A CN 201810919742A CN 109057370 B CN109057370 B CN 109057370B
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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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1808—Holders for bricklayers' lines, bricklayers' bars; Sloping braces
- E04G21/1816—Adjustable positioning means between line-holder bars and construction
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Abstract
The invention discloses a using method of a horizontal limiting device for net rack jacking construction, which comprises the steps of firstly sleeving an upper pipe body at the upper end of a middle pipe body, sleeving a lower pipe body at the lower end of the middle pipe body, and adjusting the width by adjusting the length of the middle pipe body into which the upper pipe body and the lower pipe body are inserted; secondly, inserting a first tube body in the length-adjustable limiting arm into a second tube body, and adjusting the length of the limiting arm by adjusting the distance of the first tube body in the length-adjustable limiting arm inserted into the second tube body; the third pipe body on the limiting arm with the adjustable length and the adjustable angle is sleeved on the fourth pipe body again, the other end of the fourth pipe body is connected with the middle pipe body through the sleeve, the length of the limiting arm is adjusted by adjusting the distance of the fourth pipe body inserted into the third pipe body when the length is adjusted, and the limiting arm with the adjustable length and the adjustable angle rotates around the middle pipe body when the angle is adjusted. The invention can limit the lateral movement of the steel net rack in the horizontal direction in the jacking construction of the steel net rack, ensure the verticality of the steel net rack in the jacking process and prevent quality and safety accidents.
Description
Technical Field
The invention relates to the technical field of steel net rack structure jacking construction devices, in particular to a using method of a horizontal limiting device for net rack jacking construction.
Background
The steel mesh frame structure has the characteristics of good integrity, large space rigidity, good earthquake resistance, environmental protection and high construction speed, and is widely applied to industries and public buildings. The installation method of the steel grid structure comprises various methods such as an overhead bulk method, a hoisting method, a lifting method, an accumulation sliding method, a jacking method and the like, and the jacking method has the characteristics of low construction cost, small influence by field conditions and convenience in operation, and is an effective method for installing the grid.
When the net rack is constructed by the jacking method, the height of the rack body of the jacking rack needs to be increased step by step so as to achieve the purpose of jacking the steel net rack to the elevation required by design. However, due to the manufacturing and installation errors of the jacking frame, the steel net frame can generate horizontal lateral movement in the horizontal direction along with the increase of the jacking height, the currently used construction method has no measure for limiting the lateral movement of the net frame, if the lateral movement is small, the lateral movement can be corrected through a correction measure, and if the lateral movement is large, the correction is difficult, and even safety accidents can occur.
Disclosure of Invention
The invention aims to provide a using method of a horizontal limiting device for net rack jacking construction, which can limit lateral movement of a steel net rack in the horizontal direction in the jacking construction of the steel net rack, ensure the verticality of the net rack in the jacking process and prevent quality and safety accidents.
In order to achieve the purpose, the invention provides a using method of a horizontal limiting device for net rack jacking construction, wherein the horizontal limiting device for net rack jacking construction comprises a width-adjustable main arm, length-adjustable limiting arms arranged at two ends of the width-adjustable main arm and length-adjustable angle limiting arms arranged in the middle of the width-adjustable main arm;
the width-adjustable main arm is composed of an upper pipe body, a lower pipe body and a middle pipe body, two ends of the middle pipe body are respectively sleeved in the upper pipe body and the lower pipe body, and the inner diameters of the lower pipe body and the upper pipe body are both larger than the outer diameter of the middle pipe body;
the adjustable length limiting arm consists of a first pipe body connected with the upper pipe body and the lower pipe body and a second pipe body connected with the net rack lower chord node, and the second pipe body is sleeved on the first pipe body;
the length-angle-adjustable limiting arm is composed of a third pipe body connected with the upper chord node of the net rack and a fourth pipe body sleeved in the third pipe body, and the other end of the fourth pipe body is connected with the middle pipe body through a sleeve;
the use method of the horizontal limiting device for the net rack jacking construction comprises the following steps:
firstly, installing a width-adjustable main arm, sleeving an upper pipe body at the upper end of a middle pipe body, sleeving a lower pipe body at the lower end of the middle pipe body, and adjusting the width by adjusting the length of the middle pipe body inserted into the upper pipe body and the lower pipe body;
secondly, installing an adjustable length limiting arm, inserting a first pipe body in the adjustable length limiting arm into a second pipe body, connecting the other end of the first pipe body with an upper pipe body and a lower pipe body, installing the other end of the second pipe body on a net rack lower chord node, and then adjusting the length of the limiting arm by adjusting the distance of the first pipe body in the adjustable length limiting arm inserted into the second pipe body;
thirdly, mounting a length-angle-adjustable limiting arm, sleeving a third pipe body on the length-angle-adjustable limiting arm on a fourth pipe body, mounting the other end of the third pipe body on a net rack upper chord node, connecting the other end of the fourth pipe body with the middle pipe body through a sleeve, adjusting the length of the limiting arm by adjusting the distance of the fourth pipe body inserted into the third pipe body when adjusting the length, and rotating the length-angle-adjustable limiting arm around the middle pipe body when adjusting the angle;
finally, two rollers are mounted on the central tube body for rolling on the surface of the concrete column supporting the grid.
Preferably, fixing holes are drilled in the upper pipe body, the lower pipe body, the second pipe body and the third pipe body at intervals of 100mm, nuts are welded to the outer sides of the fixing holes, and fastening bolts are screwed into the nuts to enable the end portions of the screws to tightly prop the middle pipe body, the first pipe body and the fourth pipe body to achieve position fixing.
Preferably, the inner diameter of the upper pipe body is the same as that of the lower pipe body, and the inner diameter of the lower pipe body and the inner diameter of the upper pipe body are both larger than the outer diameter of the middle pipe body by 2-5 mm.
Preferably, the upper pipe body and the lower pipe body are both connected with the first pipe body in a welding mode, and the outer diameter of the first pipe body is smaller than the inner diameter of the second pipe body.
Preferably, the two rollers are symmetrically arranged on two sides of the sleeve.
Preferably, the sleeve is composed of a first sleeve and a second sleeve, the second sleeve is perpendicular to the first sleeve, the first sleeve is sleeved on the middle pipe body, the second sleeve is sleeved on the fourth pipe body, and the outer diameter of the fourth pipe body is smaller than the inner diameter of the third pipe body.
Preferably, the upper pipe body and the lower pipe body are vertically welded to the first pipe body.
Therefore, the horizontal limiting device for the net rack jacking construction with the structure is used, so that the lateral movement of the net rack in the horizontal direction can be limited in the steel net rack jacking construction, the perpendicularity of the net rack in the jacking process is ensured, and quality and safety accidents are prevented.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of a horizontal limiting device for jacking construction of a net rack according to the present invention;
FIG. 2 is a schematic view of the installation structure of the horizontal limiting device for jacking construction of the net rack of the present invention;
FIG. 3 is a top view of the mounting structure of the horizontal limiting device for jacking construction of the net rack of the present invention;
fig. 4 is an axonometric view of the horizontal limiting device for jacking construction of the net rack of the invention.
Detailed Description
Examples
Fig. 1 is a schematic structural view of a horizontal limiting device for net rack jacking construction of the present invention, fig. 2 is a schematic structural view of an installation structure of the horizontal limiting device for net rack jacking construction of the present invention, fig. 3 is a top view of the installation structure of the horizontal limiting device for net rack jacking construction of the present invention, and fig. 4 is an axonometric view of the horizontal limiting device for net rack jacking construction of the present invention. As shown in the figure, the invention provides a using method of a horizontal limiting device for net rack jacking construction, wherein the horizontal limiting device 1 for net rack jacking construction comprises a width-adjustable main arm 11, length-adjustable limiting arms 12 arranged at two ends of the width-adjustable main arm 11 and length-adjustable angle limiting arms 13 arranged in the middle of the width-adjustable main arm 11; the width-adjustable main arm 11 is composed of an upper pipe body 110, a lower pipe body 111 and a middle pipe body 112, two ends of the middle pipe body 112 are respectively sleeved in the upper pipe body 110 and the lower pipe body 111, the inner diameters of the lower pipe body 111 and the upper pipe body 110 are both larger than the outer diameter of the middle pipe body 112 by 2-5mm, the inner diameter of the upper pipe body 110 is the same as the inner diameter of the lower pipe body 111, the upper pipe body 110 and the lower pipe body 111 are both connected with the first pipe body 120 in a welding manner, and the middle pipe body can freely slide with the upper pipe body and the lower pipe body without generating overla; the length-adjustable limiting arm 12 consists of a first pipe body 120 connected with the upper pipe body 110 and the lower pipe body 111 and a second pipe body 121 connected with the net rack lower chord node 2, the second pipe body 121 is sleeved on the first pipe body 120, and the outer diameter of the first pipe body 120 is smaller than the inner diameter of the second pipe body 121; the length-angle-adjustable limiting arm 13 consists of a third pipe body 130 connected with the upper chord node of the net rack and a fourth pipe body 131 sleeved in the third pipe body 130, and the other end of the fourth pipe body 131 is connected with the middle pipe body 112 through a sleeve 3;
the use method of the horizontal limiting device for the net rack jacking construction comprises the following steps:
firstly, installing a width-adjustable main arm 11, sleeving an upper pipe body 110 at the upper end of a middle pipe body 112, sleeving a lower pipe body 111 at the lower end of the middle pipe body 112, and adjusting the width by adjusting the lengths of the middle pipe body inserted into the upper pipe body and the lower pipe body so as to adapt to the width of grid meshes in different projects and ensure that a length-adjustable limiting arm can correspond to a node of a grid;
secondly, installing an adjustable length limiting arm 12, inserting a first pipe body 120 in the adjustable length limiting arm 12 into a second pipe body 121, connecting the other end of the first pipe body 120 with an upper pipe body 110 and a lower pipe body 111, installing the other end of the second pipe body 121 on a net rack lower chord node 2, and then adjusting the length of the limiting arm by adjusting the distance of the first pipe body in the adjustable length limiting arm inserted into the second pipe body;
thirdly, mounting a length-angle-adjustable limiting arm 13, sleeving a third pipe body 130 on the length-angle-adjustable limiting arm 13 on a fourth pipe body 131, mounting the other end of the third pipe body 130 on a net rack upper chord node, connecting the other end of the fourth pipe body 131 with the middle pipe body 112 through a sleeve 3, adjusting the length of the limiting arm by adjusting the distance of the fourth pipe body inserted into the third pipe body when adjusting the length, and rotating the length-angle-adjustable limiting arm around the middle pipe body when adjusting the angle so as to adapt to the positions of the net rack upper chord nodes with different thicknesses; finally, install two gyro wheels 4 on well body 112, be used for rolling on the concrete column 7 surface that supports the rack, both played the horizontal direction limiting displacement, can guarantee again that the rack moves up along vertical direction in jacking process, two gyro wheels 4 symmetry sets up the both sides at sleeve 3, sleeve 3 comprises first sleeve pipe 31 and second sleeve pipe 32, second sleeve pipe 32 is perpendicular with first sleeve pipe 31, first sleeve pipe 31 cover is established on well body 112, second sleeve pipe 32 cover is established on fourth body 131, the external diameter of fourth body 131 is less than the internal diameter of third body 130.
Fixing holes are drilled in the upper pipe body 110, the lower pipe body 111, the second pipe body 121 and the third pipe body 130 at intervals of 100mm, nuts 5 are welded to the outer sides of the fixing holes, fastening bolts 6 are screwed into the nuts 5 to enable the ends of the screws to tightly abut against the middle pipe body, the first pipe body and the fourth pipe body to achieve position fixing, and the upper pipe body 110 and the lower pipe body 111 are vertically welded to the first pipe body 120.
Therefore, the horizontal limiting device for the net rack jacking construction with the structure is used, so that the lateral movement of the net rack in the horizontal direction can be limited in the steel net rack jacking construction, the perpendicularity of the net rack in the jacking process is ensured, and quality and safety accidents are prevented.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (7)
1. The use method of the horizontal limiting device for the net rack jacking construction is characterized in that:
the horizontal limiting device for net rack jacking construction comprises a width-adjustable main arm, length-adjustable limiting arms arranged at two ends of the width-adjustable main arm and length-adjustable angle limiting arms arranged in the middle of the width-adjustable main arm;
the width-adjustable main arm is composed of an upper pipe body, a lower pipe body and a middle pipe body, two ends of the middle pipe body are respectively sleeved in the upper pipe body and the lower pipe body, and the inner diameters of the lower pipe body and the upper pipe body are both larger than the outer diameter of the middle pipe body;
the adjustable length limiting arm consists of a first pipe body connected with the upper pipe body and the lower pipe body and a second pipe body connected with the net rack lower chord node, and the second pipe body is sleeved on the first pipe body;
the length-angle-adjustable limiting arm is composed of a third pipe body connected with the upper chord node of the net rack and a fourth pipe body sleeved in the third pipe body, and the other end of the fourth pipe body is connected with the middle pipe body through a sleeve;
the use method of the horizontal limiting device for the net rack jacking construction comprises the following steps:
firstly, installing a width-adjustable main arm, sleeving an upper pipe body at the upper end of a middle pipe body, sleeving a lower pipe body at the lower end of the middle pipe body, and adjusting the width by adjusting the length of the middle pipe body inserted into the upper pipe body and the lower pipe body;
secondly, installing an adjustable length limiting arm, inserting a first pipe body in the adjustable length limiting arm into a second pipe body, connecting the other end of the first pipe body with an upper pipe body and a lower pipe body, installing the other end of the second pipe body on a net rack lower chord node, and then adjusting the length of the limiting arm by adjusting the distance of the first pipe body in the adjustable length limiting arm inserted into the second pipe body;
thirdly, mounting a length-angle-adjustable limiting arm, sleeving a third pipe body on the length-angle-adjustable limiting arm on a fourth pipe body, mounting the other end of the third pipe body on a net rack upper chord node, connecting the other end of the fourth pipe body with the middle pipe body through a sleeve, adjusting the length of the limiting arm by adjusting the distance of the fourth pipe body inserted into the third pipe body when adjusting the length, and rotating the length-angle-adjustable limiting arm around the middle pipe body when adjusting the angle;
finally, two rollers are mounted on the central tube body for rolling on the surface of the concrete column supporting the grid.
2. The use method of the horizontal limiting device for the net rack jacking construction according to claim 1, characterized in that: and drilling fixing holes on the upper pipe body, the lower pipe body, the second pipe body and the third pipe body at intervals of 100mm, welding nuts outside the fixing holes, and screwing fastening bolts into the nuts to enable the end parts of the screws to tightly prop against the middle pipe body, the first pipe body and the fourth pipe body to realize position fixing.
3. The use method of the horizontal limiting device for the net rack jacking construction according to claim 2, characterized in that: the inner diameter of the upper pipe body is the same as that of the lower pipe body, and the inner diameter of the lower pipe body and the inner diameter of the upper pipe body are both larger than the outer diameter of the middle pipe body by 2-5 mm.
4. The use method of the horizontal limiting device for the net rack jacking construction according to claim 3, characterized in that: the upper pipe body and the lower pipe body are both connected with the first pipe body in a welded mode, and the outer diameter of the first pipe body is smaller than the inner diameter of the second pipe body.
5. The use method of the horizontal limiting device for the net rack jacking construction according to claim 4, characterized in that: the two rollers are symmetrically arranged on two sides of the sleeve.
6. The use method of the horizontal limiting device for the net rack jacking construction according to claim 5, characterized in that: the sleeve is composed of a first sleeve and a second sleeve, the second sleeve is perpendicular to the first sleeve, the first sleeve is sleeved on the middle pipe body, the second sleeve is sleeved on the fourth pipe body, and the outer diameter of the fourth pipe body is smaller than the inner diameter of the third pipe body.
7. The use method of the horizontal limiting device for the net rack jacking construction according to claim 6, characterized in that: the upper pipe body and the lower pipe body are vertically welded and connected with the first pipe body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919742.2A CN109057370B (en) | 2018-08-14 | 2018-08-14 | Use method of horizontal limiting device for net rack jacking construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810919742.2A CN109057370B (en) | 2018-08-14 | 2018-08-14 | Use method of horizontal limiting device for net rack jacking construction |
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| CN109057370A CN109057370A (en) | 2018-12-21 |
| CN109057370B true CN109057370B (en) | 2020-09-01 |
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| CN115450425B (en) * | 2022-07-04 | 2023-09-05 | 中建三局集团西南有限公司 | Fixing device for lifting hovering plane of net rack and using method |
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|---|---|---|---|---|
| JPS55145212A (en) * | 1979-04-28 | 1980-11-12 | Shimizu Constr Co Ltd | Plumbing device for cylindrical steel frame |
| JPH04161565A (en) * | 1990-10-24 | 1992-06-04 | Tokyu Constr Co Ltd | Construction of large space building |
| CN202706203U (en) * | 2012-08-15 | 2013-01-30 | 山西一建集团有限公司 | Toppling preventing and correcting net rack jacking device |
| CN104631337A (en) * | 2015-02-16 | 2015-05-20 | 中交第二航务工程局有限公司 | Guide deviation correcting device for large concrete component pushing |
| CN105672638A (en) * | 2016-02-17 | 2016-06-15 | 浙江精工钢结构集团有限公司 | Scaffold with supporting and sliding functions and net rack mounting method |
| CN205531392U (en) * | 2016-02-02 | 2016-08-31 | 中国建筑第六工程局有限公司 | Stop device that topples is prevented in steel space frame jacking |
| CN206942161U (en) * | 2017-06-16 | 2018-01-30 | 中国五冶集团有限公司 | A kind of jacking adjusting apparatus for high-altitude wire frame |
-
2018
- 2018-08-14 CN CN201810919742.2A patent/CN109057370B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145212A (en) * | 1979-04-28 | 1980-11-12 | Shimizu Constr Co Ltd | Plumbing device for cylindrical steel frame |
| JPH04161565A (en) * | 1990-10-24 | 1992-06-04 | Tokyu Constr Co Ltd | Construction of large space building |
| CN202706203U (en) * | 2012-08-15 | 2013-01-30 | 山西一建集团有限公司 | Toppling preventing and correcting net rack jacking device |
| CN104631337A (en) * | 2015-02-16 | 2015-05-20 | 中交第二航务工程局有限公司 | Guide deviation correcting device for large concrete component pushing |
| CN205531392U (en) * | 2016-02-02 | 2016-08-31 | 中国建筑第六工程局有限公司 | Stop device that topples is prevented in steel space frame jacking |
| CN105672638A (en) * | 2016-02-17 | 2016-06-15 | 浙江精工钢结构集团有限公司 | Scaffold with supporting and sliding functions and net rack mounting method |
| CN206942161U (en) * | 2017-06-16 | 2018-01-30 | 中国五冶集团有限公司 | A kind of jacking adjusting apparatus for high-altitude wire frame |
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