CN111535593A - On-spot bed-jig of assembling in advance of round platform type structure - Google Patents
On-spot bed-jig of assembling in advance of round platform type structure Download PDFInfo
- Publication number
- CN111535593A CN111535593A CN202010364263.6A CN202010364263A CN111535593A CN 111535593 A CN111535593 A CN 111535593A CN 202010364263 A CN202010364263 A CN 202010364263A CN 111535593 A CN111535593 A CN 111535593A
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- China
- Prior art keywords
- limiting plates
- frame
- jig frame
- truss
- truncated cone
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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
-
- 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
-
- 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
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a pre-assembled jig frame with a circular truncated cone structure on site, which is characterized in that the pre-assembled jig frame is composed of a plurality of jig frame units arranged at intervals along the circumferential direction, each jig frame unit comprises a bottom bracket, a rectangular frame surrounded by 2 first limiting plates and 2 second limiting plates and a plurality of rolling shafts arranged side by side are arranged on the bottom frame, the first limiting plates are arranged along the diameter direction of the pre-assembled jig frame, the plurality of rolling shafts are arranged to be parallel to the first limiting plates, truss bases are arranged on the plurality of rolling shafts and positioned in the bottom frame, and bolts penetrate through the 2 first limiting plates; thereby can make truss base and bottom bracket rolling contact for main truss can be followed the circumferencial direction swing on original position, and spacing and fine setting are carried out to the rethread bolt, realize slight adjustment, thereby can adjust the clearance of main truss on the whole, and then possess the ability of fixing a position main truss in the optimum position.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a field pre-assembled jig frame of a circular truncated cone structure.
Background
The circular platform type space structure widely exists in industrial buildings, is generally applied to the top cover of a silo, the roof of a warehouse and the like, and is generally formed by a truss structure.
The round platform type structure has more internal components, the truss structure is heavy and huge, each part is connected by end flanges, and the number of the connected surfaces is large, so that when the pre-assembled steel pipe is assembled, the precision requirement is high, and the gap between the connected surfaces is also strictly required in the related standard. Especially, the gap between the mounting binding surfaces of the main trusses is difficult to adjust, the mounting precision of the cross braces between the main trusses is influenced, and the overall adjustment is difficult due to the large size of the components and the large mutual association between the components, so that the overall assembly effect is influenced.
When the existing main truss is assembled, the top of the main truss is connected with an upper frame structure of a circular truncated cone through a flange, the bottom of the main truss is connected with a lower support of the circular truncated cone through the flange, the gap of the connecting surface needs to be tightly attached in 70% of the area, and the gap of the edge part is allowed to exist and is not more than 0.5 mm. In the assembly process, the connection node between the upper structure and the main truss and the connection between the main truss and the lower support of the circular truncated cone are required to be carefully adjusted to achieve the required gap.
Disclosure of Invention
Aiming at the existing problems, the invention discloses a field pre-assembly jig frame of a circular truncated cone structure, wherein the circular truncated cone structure is formed by assembling a main truss, an auxiliary truss and a cross brace, a truss base is arranged at the bottom of the main truss, and the pre-assembly jig frame is used for arranging the truss base; the pre-assembled jig frame is in a circular ring shape and consists of a plurality of jig frame units which are arranged at intervals along the circumferential direction;
each jig frame unit comprises a bottom bracket, and a rectangular frame and a plurality of side-by-side rolling shafts are arranged on each bottom bracket;
the rectangular frame is fixed on the bottom bracket and is surrounded by 2 first limiting plates and 2 second limiting plates, and the 2 first limiting plates are arranged along the diameter direction of the pre-assembled jig frame;
the rolling shafts are all parallel to the first limiting plate and are rotatably arranged on the lower portion of the rectangular frame, the truss base is arranged on the rolling shafts and located in the rectangular frame, the number of the truss base is 2, bolts are arranged on the first limiting plate in a penetrating mode, and the bolts are located on the rolling shafts.
The jig frame is preassembled on the site of the circular truncated cone type structure, wherein the value range of the difference between the distance between 2 first limiting plates and the width of the truss base is 30-50 mm.
In the on-site pre-assembled jig frame with the circular truncated cone-shaped structure, the value range of the difference between the distance between the 2 second limiting plates and the length of the truss base is 30-50 mm.
The jig frame is preassembled on site in the circular truncated cone type structure, wherein the rolling shaft is made of round steel.
In the on-site pre-assembled jig frame with the circular truncated cone-shaped structure, 2 second limiting plates are provided with holes for the rolling shafts to pass through, corresponding to the plurality of rolling shafts in parallel;
two ends of the rolling shaft are respectively arranged in the 2 second limiting plates in a penetrating mode through the holes.
The jig frame is preassembled on site in the circular truncated cone type structure, wherein the diameter of the rolling shaft is 38-48 mm, and the diameter of the hole is 40-50 mm.
The jig frame is preassembled on the site of the circular truncated cone-shaped structure, wherein 2 nuts are fixedly arranged on the outer surfaces of the first limiting plates, and screw rods of the bolts sequentially penetrate through the nuts and the first limiting plates and are arranged in the rectangular frame.
The jig frame is preassembled on site by the circular truncated cone structure, wherein the circular truncated cone structure is applied to a silo top cover or a warehouse roof.
The invention has the following advantages or beneficial effects:
the invention discloses a field pre-assembled jig frame with a circular truncated cone-shaped structure, which consists of a plurality of jig frame units arranged at intervals along the circumferential direction by arranging a pre-assembled jig frame, wherein each jig frame unit comprises a bottom bracket, a rectangular frame surrounded by 2 first limiting plates and 2 second limiting plates and a plurality of rolling shafts arranged side by side are arranged on the bottom frame, the first limiting plates are arranged along the diameter direction of the pre-assembled jig frame, the plurality of rolling shafts are arranged and are parallel to the first limiting plates, truss bases are arranged on the plurality of rolling shafts and are positioned in the bottom frame, and bolts penetrate through the 2 first limiting plates; thereby can make truss base and bottom bracket rolling contact for main truss can be followed the circumferencial direction swing on original position, and spacing and fine setting are carried out to the rethread bolt, realize slight adjustment, thereby can adjust the clearance of main truss on the whole, and then possess the ability of fixing a position main truss in the optimum position.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a top view of a truncated cone-shaped structure in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of 2 oppositely disposed primary trusses of a truncated cone type structure in an embodiment of the present invention;
FIG. 3 is a top view of a jig frame unit in an embodiment of the invention;
FIG. 4 is a cross-sectional view of a jig frame unit in an embodiment of the invention;
FIG. 5 is a schematic diagram of an application of a pre-assembled jig frame according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view of a portion of the jig frame unit in fig. 5.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the present invention is not limited thereto.
As shown in fig. 1 to 6, the invention discloses a pre-assembled jig frame of a circular truncated cone structure on site, wherein the circular truncated cone structure is formed by assembling a main truss 1, an auxiliary truss 2 and a cross brace 3, the top of the main truss 1 is arranged on a frame structure 4 at the upper part of a circular truncated cone, a truss base 11 is arranged at the bottom of the main truss 1, and particularly, the pre-assembled jig frame is used for arranging the truss base 11; specifically, the pre-assembled jig frame is in a circular ring shape, and the pre-assembled jig frame consists of a plurality of jig frame units 5 which are arranged at intervals along the circumferential direction; each jig frame unit 5 comprises a bottom bracket 51, and each bottom bracket 51 is provided with a rectangular frame 52 and a plurality of side-by-side rolling shafts 53; the rectangular frame 52 is fixed on the bottom bracket 51, the rectangular frame 52 is surrounded by 2 first limiting plates 521 and 2 second limiting plates 522 (the 2 first limiting plates 521 and the 2 second limiting plates 522 can be connected or not connected), the 2 first limiting plates 521 are all arranged along the diameter direction of the pre-assembled jig frame, and correspondingly, the 2 second limiting plates 522 are inevitably arranged along the circumferential tangential direction of the pre-assembled jig frame; the rolling shafts 53 are parallel to the first limiting plates 521 and are rotatably disposed at the lower portion of the rectangular frame 52, (that is, the rolling shafts 53 are parallel to the diameter direction of the pre-assembled jig, and the rolling direction thereof inevitably faces the circumferential direction of the pre-assembled jig), and the main body portions of the rolling shafts 53 are disposed in the rectangular frame 52, the truss base 11 is disposed on the rolling shafts 53 and is located in the rectangular frame 52, and the bolts 54 (for example, 2 bolts 54) are disposed on the 2 first limiting plates 521, and the bolts 54 are located on the rolling shafts 53 for limiting the truss base 11 when the truss base 11 is adjusted to a proper position; by adjusting the bolts 54, the truss base 11 can roll on the rolling shafts 53, so that the sliding of millimeter level can be realized.
In a preferred embodiment of the present invention, a difference between the distance between the 2 first limiting plates 521 and the width of the truss base 11 is in a range of 30 to 50mm (e.g., 30mm, 40mm, 45mm, or 50 mm), so that the truss base 11 can be finely adjusted conveniently, and the truss base 11 does not have too large displacement in the diameter direction of the pre-assembled jig.
In a preferred embodiment of the present invention, the difference between the distance between the 2 second limiting plates 522 and the length of the truss base 11 is 30 to 50mm, so that the truss base 11 is placed in the vertical direction without causing too large displacement of the truss base 11 in the circumferential direction of the pre-assembled jig.
In a preferred embodiment of the present invention, the rolling shaft 53 is made of round steel, so that the rolling shaft has strong bearing capacity and low cost; for example phi 40 round steel.
In a preferred embodiment of the present invention, the 2 second limiting plates 522 are provided with holes for the rolling shafts 53 to pass through, corresponding to the plurality of rolling shafts 53 in parallel; two ends of the rolling shaft 53 are respectively penetrated in the 2 second limiting plates 522 through the holes, so that the rolling shaft 53 is convenient to mount and dismount.
In a preferred embodiment of the present invention, the diameter of the rolling shaft 53 is 38 to 48mm, and the diameter of the hole is 40 to 50mm, so as to facilitate the installation of the rolling shaft 53.
In a preferred embodiment of the present invention, the nuts 55 are fixedly disposed on the outer surfaces of the 2 first limiting plates 521, and the screws of the bolts 54 sequentially penetrate through the nuts 55 and the first limiting plates 521 and are disposed in the rectangular frame 52, so that the fine adjustment of the bolts 54 can be achieved without disposing threads on the holes of the first limiting plates 521, and the manufacturing cost is reduced; specifically, the bolt 54 is a conventional 4.8 grade M36 bolt.
In a preferred embodiment of the invention, the above-described truncated cone-shaped structure is applied to a silo roof or a warehouse roof.
In a preferred embodiment of the present invention, the first limiting plate 521 and the second limiting plate 522 are both made of steel plates and have equal thickness, for example, 25mm thickness.
In this embodiment, the tower at the center and the bottom bracket 51 at the periphery can be set up by conventional methods. During construction, the circular truncated cone upper frame structure 4 is firstly placed on the central tower, after the position is adjusted by a measuring method, the installation of the main truss 1 is started (the main truss 1 is spliced into a whole on the ground in advance, the main truss 1 is hoisted to the installation position), and the top of the main truss 1 is firstly connected with the circular truncated cone upper frame structure 4 through the bolt 54 and is not tightly fixed. Then, the truss base 11 is placed on the jig frame unit 5 of the pre-assembled jig frame, and the truss base 11 is adjusted through the jig frame unit 5 so that the truss base 11 swings in the original position along the circumferential direction, so that the gap of the main truss 1 is adjusted to be optimal as a whole.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (8)
1. A field pre-assembly jig frame of a circular truncated cone structure is formed by assembling a main truss, an auxiliary truss and a cross brace, wherein a truss base is arranged at the bottom of the main truss, and the pre-assembly jig frame is used for arranging the truss base; the tire frame is characterized in that the pre-assembled tire frame is annular, and the pre-assembled tire frame consists of a plurality of tire frame units which are arranged at intervals along the circumferential direction;
each jig frame unit comprises a bottom bracket, and a rectangular frame and a plurality of side-by-side rolling shafts are arranged on each bottom bracket;
the rectangular frame is fixed on the bottom bracket and is surrounded by 2 first limiting plates and 2 second limiting plates, and the 2 first limiting plates are arranged along the diameter direction of the pre-assembled jig frame;
the rolling shafts are parallel to the first limiting plates and are rotatably arranged on the lower portion of the rectangular frame, the truss bases are arranged on the rolling shafts and are located in the rectangular frame, bolts are arranged on the first limiting plates in a penetrating mode and are located on the rolling shafts, and the number of the bolts is 2.
2. The on-site pre-assembled jig frame with the circular truncated cone-shaped structure as claimed in claim 1, wherein the difference between the interval between the 2 first limiting plates and the width of the truss base ranges from 30mm to 50 mm.
3. The on-site pre-assembled jig frame with the circular truncated cone-shaped structure as claimed in claim 1, wherein the difference between the distance between the 2 second limiting plates and the length of the truss base ranges from 30mm to 50 mm.
4. The bench-type structure on-site pre-assembled jig frame of claim 1, wherein the rolling shaft is round steel.
5. The on-site pre-assembled jig frame with the circular truncated cone-shaped structure according to claim 1, wherein 2 second limiting plates are provided with holes for the rolling shafts to pass through, corresponding to the plurality of rolling shafts in parallel;
two ends of the rolling shaft are respectively arranged in the 2 second limiting plates in a penetrating mode through the holes.
6. The on-site pre-assembled jig frame with the circular truncated cone-shaped structure as claimed in claim 5, wherein the diameter of the rolling shaft is 38-48 mm, and the diameter of the hole is 40-50 mm.
7. The on-site pre-assembled jig frame with the circular truncated cone-shaped structure according to claim 1, wherein nuts are fixedly arranged on the outer surfaces of the 2 first limiting plates, and screws of the bolts sequentially penetrate through the nuts and the first limiting plates to be arranged in the rectangular frame.
8. The on-site pre-assembled jig frame of a circular truncated cone structure as claimed in claim 1, wherein the circular truncated cone structure is applied to a silo roof or a warehouse roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364263.6A CN111535593A (en) | 2020-04-30 | 2020-04-30 | On-spot bed-jig of assembling in advance of round platform type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364263.6A CN111535593A (en) | 2020-04-30 | 2020-04-30 | On-spot bed-jig of assembling in advance of round platform type structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111535593A true CN111535593A (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010364263.6A Pending CN111535593A (en) | 2020-04-30 | 2020-04-30 | On-spot bed-jig of assembling in advance of round platform type structure |
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| Country | Link |
|---|---|
| CN (1) | CN111535593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412056A (en) * | 2020-10-20 | 2021-02-26 | 中国一冶集团有限公司 | Supporting device for adjusting truss supporting system and truss adjusting method |
-
2020
- 2020-04-30 CN CN202010364263.6A patent/CN111535593A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412056A (en) * | 2020-10-20 | 2021-02-26 | 中国一冶集团有限公司 | Supporting device for adjusting truss supporting system and truss adjusting method |
| CN112412056B (en) * | 2020-10-20 | 2022-05-10 | 中国一冶集团有限公司 | Supporting device for adjusting truss supporting system and truss adjusting method |
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