CN111927089B - Template corner fastener connecting structure and construction method thereof - Google Patents
Template corner fastener connecting structure and construction method thereof Download PDFInfo
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- CN111927089B CN111927089B CN202010687894.1A CN202010687894A CN111927089B CN 111927089 B CN111927089 B CN 111927089B CN 202010687894 A CN202010687894 A CN 202010687894A CN 111927089 B CN111927089 B CN 111927089B
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- fixing piece
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/047—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements simultaneously tying two facing forms
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
- E04G17/0657—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts fully recoverable
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a connecting structure of a template corner fastener and a construction method thereof. According to the invention, through the arrangement of the second adjusting fixing piece and the clamping plate, the fastening position can be adjusted according to the change of the section size of the structure, so that the requirements of a construction site are met; the mode and connection of the second adjusting fixing piece are adapted through setting different positions of the clamping plate; the first back edge and the second back edge are arranged, so that the first fixing piece and the second adjusting fixing piece are favorably mounted, and the pull piece is favorably penetrated and connected; the arrangement of the connecting piece in the second back edge is beneficial to increasing the connecting strength.
Description
Technical Field
The invention belongs to the field of formwork construction, and particularly relates to a formwork corner fastener connecting structure and a construction method thereof.
Background
Due to the development of creeping formwork technology, the application of the aluminum alloy template is more and more extensive. However, during on-site construction, the waste of the cost of the template and labor caused by the change of the section size and the poor appearance quality of the concrete are always important factors for restricting the development of the aluminum alloy template. The traditional aluminum alloy formwork wall external corners are connected and fastened by adopting fixed bolts, so that the construction problem caused by the change of the external section size of the wall cannot be met, the problems of formwork and labor cost waste, poor concrete impression quality, incapability of closing the mold and the like are caused; in addition, because concrete placement in-process can produce huge pressure to the template, traditional template bight fastening uses two steel pipe cross-under to the stay bolt fastening, very easily becomes flexible at the in-process of pouring, leaves the potential safety hazard. Therefore, an aluminum alloy formwork fastening mode which can be adjusted according to the change of the external section size of the concrete wall body needs to be found urgently, the repeated utilization of the connecting device is facilitated, the cost is saved, the appearance and quality of concrete pouring are guaranteed, and the construction efficiency is improved.
Disclosure of Invention
The invention provides a template corner fastener connecting structure and a construction method thereof, which are used for solving the technical problems of connection and fastening of an external corner position when the size of the external section of a structure to be poured is changed, convenient installation and adjustment of the fastening connecting structure, reutilization and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a template corner fastener connecting structure comprises a first template, a second template connected with the first template, a first back edge and a first fixing piece which are connected to the first template and positioned at a connecting external corner of the first template and the second template, a second back edge and a second adjusting fixing piece which are connected to the second template and positioned at a connecting external corner of the first template and the second template, and a counter-pulling piece connected between the first fixing piece and the second adjusting fixing piece;
the first back edge is fixedly connected with the first fixing piece, and the first back edge is detachably connected with the first template;
the second back edge is connected with clamping plates at intervals in the upward direction, and the clamping plates are in compression joint with the second adjusting fixing piece; the second back arris and the second template can be detachably connected.
Furthermore, the opposite-pulling piece comprises an opposite-pulling rod and fixing nuts connected to two ends of the opposite-pulling rod, and the fixing nuts are connected to the outer side of the first fixing piece and the outer side of the second adjusting fixing piece respectively.
Furthermore, the counter pull rod is connected between the first fixing piece and the second adjusting fixing piece in a penetrating mode; the fixing nut is connected with a backing plate between the first fixing piece and the second adjusting fixing piece respectively.
Furthermore, the second back ridges comprise second upper back ridges and second lower back ridges which are connected below the second upper back ridges in parallel, and second back ridge middle connecting pieces are connected between the second upper back ridges and the second lower back ridges at intervals; the width between the second upper back ridge and the second lower back ridge is suitable for penetrating through the counter-pull rod in the counter-pull piece.
Furthermore, the second upper back edge and the second lower back edge are both square pipe fittings, and the lengths of the second upper back edge and the second lower back edge are adapted to the length required by the change of the connecting external corner; the second back of the body is stupefied the connecting piece in for square pipe fitting, and stupefied the connecting piece height adaptation second back of the body is stupefied and the stupefied difference in height of the stupefied of second back of the body down.
Furthermore, the second adjusting fixing piece is an angle-shaped piece, and one side edge of the second adjusting fixing piece is in press connection with the clamping plate; the distance between the clamping plates is larger than the thickness of the compression joint edge of the angle piece in the second adjusting and fixing piece.
Furthermore, the second adjusting fixing piece is a triangular piece, and one side surface of the second adjusting fixing piece is in compression joint with the clamping plate; the distance between the clamping plates is larger than the length of the second adjusting and fixing piece clinging to one side of the second back edge.
Furthermore, the first fixing piece is an angle-shaped piece, and the opening side of the first fixing piece is fixedly connected to one end, close to the external corner, of the first back edge; or the first fixing piece is a triangular piece and is fixedly connected to one end of the first back ridge adjacent to the connection end of the external corner.
Further, the first back ridge comprises a vertical plate and two L-shaped plates connected to one side of the vertical plate, wherein the transverse parts of the L-shaped plates are vertically connected to the vertical plate; the external corners of the two L-shaped plates are oppositely arranged and the distance between the two L-shaped plates is suitable for the opposite pull rod in the opposite pull piece to penetrate through; the two L-shaped plate vertical parts are connected with the first fixing piece.
Further, the construction method of the formwork corner fastener connecting structure is characterized by comprising the following specific steps:
manufacturing a first template and a second template according to a structure to be poured, and assembling an external corner at the joint of the first template and the second template through a pin bolt; wherein the first template and the second template are aluminum alloy templates;
step two, comprehensively determining the number of groups of the first back ridges and the second back ridges through the heights of the first template and the second template, and setting the lengths of the first back ridges and the second back ridges according to the length change required by the external corner connection;
welding a first fixing piece at one end of the first back edge connected with the external corner, and then connecting the first back edge with the first template through a bolt;
fourthly, determining the connecting position of the clamping plate by taking the second adjusting fixing piece as a triangular piece or an angular piece according to the requirement of adjusting the length; welding a second back ridge middle connecting piece between the second upper back ridge and the second lower back ridge, and connecting the second upper back ridge and the second lower back ridge with a second template through bolts;
placing the first template and the second template at a design position through hoisting equipment, pressing the second adjusting fixing piece on the design position of the clamping plate, connecting the second adjusting fixing piece and the first fixing piece in a penetrating manner through the opposite pull rod, sleeving a base plate and a fixing nut at two ends of the opposite pull rod, detecting the connection tightness, and timely adjusting when the connection tightness does not meet the requirement until the designed installation fastening strength is achieved;
and step six, correspondingly adjusting the first back edge and the second back edge after the section of the structure to be poured is changed, and then enabling the first template and the second template to meet the fastening requirement brought by the change of the section size at the external corner by adjusting the position of the second adjusting fixing piece on the second back edge.
The invention has the beneficial effects that:
1) according to the invention, through the arrangement of the second adjusting fixing piece and the clamping plate, the fastening position can be adjusted according to the change of the section size of the structure to be poured, so that the requirements of a construction site are met; the mode and connection of the second adjusting fixing piece are adapted through setting different positions of the clamping plate;
2) according to the invention, through the arrangement of the first back edge and the second back edge, the installation of the first fixing piece and the second adjusting fixing piece is facilitated on one hand, and the penetration of the pulling piece is facilitated on the other hand; the first back edge and the second back edge can further improve the side strength of the corresponding template;
3) according to the invention, the arrangement of the connecting piece in the second back edge is beneficial to connecting and integrating the second upper back edge and the second lower back edge, so that the connecting strength is increased; the arrangement of the backing plate is beneficial to the fastening of the nut;
4) according to the invention, the first fixing piece and the second adjusting fixing piece are arranged in a triangular piece or an angular piece, so that the splicing stability of the external corner of the template is favorably ensured; and the quality and the stability of concrete pouring are better facilitated.
In addition, the connecting structure is small in construction site constraint condition, simple and convenient to operate and safe, all materials of the connecting structure can be recycled without reservation and embedding, all components can be adjusted in installation modes according to different fields, cutting is not needed, no waste is generated, and the connecting structure is economical, green and environment-friendly; the installation and the repeated use are convenient, and the construction cost can be greatly saved; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a formwork corner fastener attachment structure;
FIG. 2 is a top view of a formwork corner fastener attachment structure.
Reference numerals: the device comprises a first template, a second template, a first back edge, a first fixing piece, a second back edge, a second fixing piece, a first fixing piece, a second back edge, a second upper back edge, a second lower back edge, a 6 backing plate, a 7 clamping plate, a second back edge connecting piece, a 9 second adjusting fixing piece, a 10 counter-pulling piece, a 101 counter-pulling rod and a 102 nut, wherein the first template is 1-the first template, the second template is 2-the second template, the 3 first back edge is 3-the first back edge, the 6 backing plate is 7-the clamping plate, the 8 counter-second back edge connecting piece is 8-the second back edge.
Detailed Description
As shown in fig. 1 and 2, a connecting structure of corner fasteners of a formwork comprises a first formwork 1, a second formwork 2 connected with the first formwork 1, a first back edge 3 and a first fixing member 4 which are connected with the first formwork 1 and positioned at a connecting external corner of the first formwork 1 and the second formwork 2, a second back edge 5 and a second adjusting fixing member 9 which are connected with the second formwork 2 and positioned at a connecting external corner of the first formwork 1 and the second formwork 2, and a counter-pull member 10 connected between the first fixing member 4 and the second adjusting fixing member 9. First back of the body stupefied 3 and first mounting 4 fixed connection, stupefied 3 and the first template 1 detachable connection of first back of the body. In this embodiment, the first template 1 and the second template 2 are aluminum square plates, and are vertically connected.
In this embodiment, the opposite-pulling member 10 includes an opposite-pulling rod 101 and fixing nuts 102 connected to two ends of the opposite-pulling rod 101, and the fixing nuts 102 are respectively connected to the outer side of the first fixing member 4 and the outer side of the second adjusting fixing member 9. The opposite pull rod 101 is a steel rod, and the fixing nut 102 is a mountain-shaped steel nut. The opposite pull rod 101 is penetrated between the first fixing part 4 and the second adjusting fixing part 9; the fixing nut 102 is connected with the backing plate 6 between the first fixing member 4 and the second adjusting fixing member 9. During construction, the backing plate 6 is prefabricated and connected to the outer side surfaces of the first fixing member 4 and the second adjusting fixing member 9, so that the connection tightness and the stress uniformity of the fixing nuts 102 are guaranteed.
In this embodiment, the first back ridge 3 includes a vertical plate and two L-shaped plates connected to one side of the vertical plate. The vertical plate is a thick steel plate, and the L-shaped plate is made of a steel plate. Wherein the transverse part of the L-shaped plate is vertically connected with the vertical plate; the external corners of the two L-shaped plates are oppositely arranged and the distance between the two L-shaped plates is suitable for the opposite pull rod 101 in the opposite pull piece 10 to penetrate through; the two L-shaped plate uprights are connected to a first fixing element 4. The first fixing piece 4 is an angular steel piece, and the opening side of the first fixing piece is welded at one end, close to the external corner, of the first back ridge 3; or the first fixing piece 4 is a triangular steel piece and is welded at one end of the first back edge 3 close to the connection of the external corner.
In this embodiment, the second back ridge 5 is welded with the clamping plates 7 at intervals in the longitudinal direction. The clamping plate 7 is a square steel plate, and the clamping plate 7 is in compression joint with the second adjusting and fixing piece 9; the second back edge 5 is connected with the second template 2 through bolts. The second back ridge 5 comprises a second upper back ridge 51 and a second lower back ridge 52 connected below the second upper back ridge 51 in parallel, and second back ridge middle connecting pieces 8 are welded between the second upper back ridge 51 and the second lower back ridge 52 at intervals; the width between the second upper back edge 51 and the second lower back edge 52 is adapted to pass through the counter-pull rod 101 of the counter-pull member 10. The second upper back edge 51 and the second lower back edge 52 are both square steel pipe fittings, and the lengths of the second upper back edge 51 and the second lower back edge 52 are adapted to the length required by the change of the connecting external corner; the second back arris middle connecting piece 8 is a square steel pipe, and the height of the second back arris middle connecting piece 8 is adapted to the height difference between the second upper back arris 51 and the second lower back arris 52.
In this embodiment, the second adjusting fixing member 9 is an angle steel member, and one side of the second adjusting fixing member 9 is pressed on the clamping plate 7; the distance between the clamping plates 7 is larger than the thickness of the corner-shaped part pressing edge in the second adjusting and fixing part 9. Or the second adjusting fixing piece 9 is a triangular steel piece, and one side surface of the second adjusting fixing piece 9 is pressed on the clamping plate 7; the distance between the clamping plates 7 is larger than the length of one surface of the second adjusting fixing piece 9 clinging to the second back edge 5.
The construction method of the connecting structure of the corner fastener of the formwork is further described with reference to fig. 1 and 2, and the specific steps are as follows:
firstly, manufacturing a first template 1 and a second template 2 according to a structure to be poured, and assembling an external corner at the joint of the first template 1 and the second template 2 through a pin; the first template 1 and the second template 2 are aluminum alloy templates, and assembling holes are reserved in advance during manufacturing.
And step two, comprehensively determining the number of the groups of the first back ridges 3 and the second back ridges 5 according to the heights of the first template 1 and the second template 2, and setting the lengths of the first back ridges 3 and the second back ridges 5 according to the length required by the change of the external corner connection part.
Step three, welding the first fixing piece 4 at one end of the first back edge 3 connected with the external corner, and then connecting the first back edge 3 with the first template 1 through bolts.
Fourthly, determining the connecting position of the clamping plate 7 by taking the second adjusting fixing piece 9 as a triangular piece or an angular piece according to the requirement of adjusting the length; the second back ridge middle connecting piece 8 is welded between the second upper back ridge 51 and the second lower back ridge 52, and the second upper back ridge 51 and the second lower back ridge 52 are connected with the second template 2 through bolts.
Placing the first template 1 and the second template 2 at the design positions through hoisting equipment, pressing the second adjusting fixing piece 9 at the design position of the clamping plate 7, connecting the second adjusting fixing piece 9 and the first fixing piece 4 in a penetrating manner through the opposite pull rod 101, sleeving the base plate 6 and the fixing nut 102 at the two ends of the opposite pull rod 101, detecting the connection tightness, and timely adjusting the connection tightness when the connection tightness does not meet the requirements until the designed installation fastening strength is reached.
And sixthly, correspondingly adjusting the first back edge 3 and the second back edge 5 after the section of the structure to be poured is changed, and then enabling the first template 1 and the second template 2 to meet the fastening requirement brought by the change of the section size at the external corner by adjusting the position of the second adjusting fixing piece 9 on the second back edge 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (7)
1. A template corner fastener connecting structure is characterized by comprising a first template (1), a second template (2) connected with the first template (1), a first back edge (3) and a first fixing piece (4) which are connected to the first template (1) and positioned at the connecting external corner of the first template (1) and the second template (2), a second back edge (5) and a second adjusting fixing piece (9) which are connected to the second template (2) and positioned at the connecting external corner of the first template (1) and the second template (2), and a counter-pulling piece (10) connected between the first fixing piece (4) and the second adjusting fixing piece (9);
the first back edge (3) is fixedly connected with the first fixing piece (4), and the first back edge (3) is detachably connected with the first template (1);
the first back ridge (3) comprises a vertical plate and two L-shaped plates connected to one side of the vertical plate, wherein the transverse parts of the L-shaped plates are vertically connected to the vertical plate; the external corners of the two L-shaped plates are oppositely arranged and the distance between the two L-shaped plates is suitable for the opposite pull rod (101) in the opposite pull piece (10) to penetrate through; the vertical parts of the two L-shaped plates are connected with a first fixing piece (4);
the second back edge (5) is connected with clamping plates (7) at intervals in the longitudinal direction, and the clamping plates (7) are in compression joint with the second adjusting fixing piece (9); the second back edge (5) is detachably connected with the second template (2); the second adjusting fixing piece (9) is an angular piece, and one side edge of the second adjusting fixing piece (9) is pressed on the clamping plate (7); the distance between the adjacent clamping plates (7) is larger than the thickness of the pressing edge of the angle-shaped part in the second adjusting and fixing part (9);
the second back arris (5) comprises a second upper back arris (51) and a second lower back arris (52) connected below the second upper back arris (51) in parallel, and second back arris middle connecting pieces (8) are connected between the second upper back arris (51) and the second lower back arris (52) at intervals; the width between the second upper back edge (51) and the second lower back edge (52) is suitable for penetrating through a counter-pull rod (101) in the counter-pull piece (10).
2. A formwork corner fastener connecting structure as claimed in claim 1, wherein the tie-down member (10) comprises a tie-down bar (101) and fixing nuts (102) connected to both ends of the tie-down bar (101), the fixing nuts (102) being connected to the outside of the first fixing member (4) and the outside of the second adjusting fixing member (9), respectively.
3. A formwork corner fastener connecting structure as claimed in claim 2, wherein the tie bar (101) is penetrated between the first fixing member (4) and the second adjusting fixing member (9); a backing plate (6) is respectively connected between the fixing nut (102) and the first fixing piece (4) and between the fixing nut and the second adjusting fixing piece (9).
4. A formwork corner fastener connecting structure as claimed in claim 3, wherein the second upper back ridge (51) and the second lower back ridge (52) are both square pipe members, and the lengths of the second upper back ridge (51) and the second lower back ridge (52) are adapted to the length change required at the connecting external corner; the second back ridge middle connecting piece (8) is a square pipe fitting, and the height of the second back ridge middle connecting piece (8) is adapted to the height difference between the second upper back ridge (51) and the second lower back ridge (52).
5. A formwork corner fastener connecting structure as claimed in claim 1, wherein the second adjusting fixing member (9) is a triangular member, and one side of the second adjusting fixing member (9) is pressed against the clamping plate (7); the distance between the adjacent clamping plates (7) is larger than the length of one surface of the second adjusting fixing piece (9) clinging to the second back edge (5).
6. A formwork corner fastener connecting structure as claimed in claim 1, wherein the first fixing member (4) is a corner member, and the open side is fixedly connected to the first back ridge (3) at an end adjacent to the male corner connection; or the first fixing piece (4) is a triangular piece and is fixedly connected to one end, close to the external corner, of the first back edge (3).
7. A construction method using the formwork corner fastener connecting structure according to any one of claims 1 to 6, characterized by comprising the following steps:
firstly, manufacturing a first template (1) and a second template (2) according to a structure to be poured, and assembling an external corner at the joint of the first template (1) and the second template (2) through a pin bolt; wherein the first template (1) and the second template (2) are aluminum alloy templates;
step two, comprehensively determining the number of groups of the first back ridges (3) and the second back ridges (5) according to the heights of the first template (1) and the second template (2), and setting the lengths of the first back ridges (3) and the second back ridges (5) according to the length change required by the external corner connection;
welding a first fixing piece (4) at one end of the first back edge (3) connected with the external corner, and then connecting the first back edge (3) with the first template (1) through bolts;
fourthly, determining the connecting position of the clamping plate (7) by taking the second adjusting fixing piece (9) as a triangular piece or an angular piece according to the requirement of adjusting the length; welding a second back ridge middle connecting piece (8) between a second upper back ridge (51) and a second lower back ridge (52), and connecting the second upper back ridge (51) and the second lower back ridge (52) with a second template (2) through bolts;
placing the first template (1) and the second template (2) at a design position through hoisting equipment, pressing the second adjusting fixing piece (9) at the design position of the clamping plate (7), then connecting the second adjusting fixing piece (9) and the first fixing piece (4) in a penetrating manner through the counter pull rod (101), sleeving the base plate (6) and the fixing nut (102) at two ends of the counter pull rod (101), detecting the connection tightness, and timely adjusting when the requirements are not met until the designed installation fastening strength is reached;
and sixthly, correspondingly adjusting the first back edge (3) and the second back edge (5) after the section of the structure to be poured is changed, and then enabling the first template (1) and the second template (2) to meet the fastening requirement brought by the change of the section size at the external corner by adjusting the position of the second adjusting fixing piece (9) on the second back edge (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687894.1A CN111927089B (en) | 2020-07-16 | 2020-07-16 | Template corner fastener connecting structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687894.1A CN111927089B (en) | 2020-07-16 | 2020-07-16 | Template corner fastener connecting structure and construction method thereof |
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| CN111927089A CN111927089A (en) | 2020-11-13 |
| CN111927089B true CN111927089B (en) | 2022-03-29 |
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| CN112376905B (en) * | 2020-11-27 | 2022-06-10 | 腾达建设集团股份有限公司 | Connecting mechanism of stand column steel formwork |
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|---|---|---|---|---|
| CN204676883U (en) * | 2015-04-07 | 2015-09-30 | 中国建筑第八工程局有限公司 | External angle formwork oblique pull fastener |
| CN206376545U (en) * | 2017-01-12 | 2017-08-04 | 张悦 | A kind of dual bracing means of external angle formwork |
| CN108019036A (en) * | 2017-12-12 | 2018-05-11 | 湖南好快省建筑科技有限公司 | External corner aluminum alloy pattern plate system |
| CN208310181U (en) * | 2018-04-25 | 2019-01-01 | 深圳市广胜达建设有限公司 | A kind of reinforcing template structure of construction wall |
| CN210152267U (en) * | 2019-04-24 | 2020-03-17 | 中建八局第一建设有限公司 | Adjustable corner back edge combined member |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2649322B2 (en) * | 1994-02-02 | 1997-09-03 | 日本仮設株式会社 | Opening and closing device for working form made of square concrete block |
-
2020
- 2020-07-16 CN CN202010687894.1A patent/CN111927089B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204676883U (en) * | 2015-04-07 | 2015-09-30 | 中国建筑第八工程局有限公司 | External angle formwork oblique pull fastener |
| CN206376545U (en) * | 2017-01-12 | 2017-08-04 | 张悦 | A kind of dual bracing means of external angle formwork |
| CN108019036A (en) * | 2017-12-12 | 2018-05-11 | 湖南好快省建筑科技有限公司 | External corner aluminum alloy pattern plate system |
| CN208310181U (en) * | 2018-04-25 | 2019-01-01 | 深圳市广胜达建设有限公司 | A kind of reinforcing template structure of construction wall |
| CN210152267U (en) * | 2019-04-24 | 2020-03-17 | 中建八局第一建设有限公司 | Adjustable corner back edge combined member |
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