CN108915246B - Key slot scaffold top cantilever bar additional strengthening - Google Patents
Key slot scaffold top cantilever bar additional strengthening Download PDFInfo
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- CN108915246B CN108915246B CN201810660840.9A CN201810660840A CN108915246B CN 108915246 B CN108915246 B CN 108915246B CN 201810660840 A CN201810660840 A CN 201810660840A CN 108915246 B CN108915246 B CN 108915246B
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- connecting piece
- hook
- bar
- cantilever
- groove
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a key slot scaffold top cantilever rod reinforcing structure, wherein a cantilever rod and a horizontal reinforcing rod are arranged at the top of a key slot scaffold, the cantilever rod and the horizontal reinforcing rod are fixed through two connecting pieces, each connecting piece comprises a hook body and a hook rod, a first hook groove is formed in the cantilever rod, a second hook groove is formed in the horizontal reinforcing rod, the hook body is defined as a first connecting piece which is hooked in the first hook groove, the hook body is defined as a second connecting piece which is hooked in the second hook groove, each hook body is respectively hooked and fixedly in the cantilever rod and the horizontal reinforcing rod, two adjusting grooves are formed in the hook rods, adjusting bolts sequentially and vertically penetrate through the two adjusting grooves, and the bottoms of the adjusting bolts are inserted in key slot lead screws. According to the invention, the cantilever rod and the horizontal reinforcing rod are connected by the first connecting piece and the second connecting piece in a pulling manner, so that the internal corner hanging foot caused by the sagging under the gravity action of self weight and load is prevented.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a reinforcing structure for a cantilever rod at the top of a key slot scaffold.
Background
The keyway scaffold is one of a pin key type scaffold and a support frame which are popularized and applied in 10 new technologies (2017 edition) in the construction industry, and is gradually favored and advocated by construction operators and construction enterprises due to the advantages of reliable structure force transmission, high bearing capacity, convenience in assembly and disassembly, convenience in storage management and the like. The top of the key groove type scaffold is matched with a matched screw rod with a pin key, so that the traditional main keel can be replaced, and the measure cost investment of a formwork system is reduced.
When the formwork system is erected, the distance between the edge upright rod and the structural edge is 300-500mm, and in order to meet the installation requirements of the secondary keel and the formwork in the outer area of the edge upright rod, the top of the edge upright rod adopts a cantilever rod. For satisfying keyway lead screw pin key, cantilever bar round pin groove machining precision and installation accuracy demand, reserve the clearance and cause the installation of cantilever bar after because of the flagging displacement volume of dead weight increase when processing production, under the effect of upper die carrier load and concrete placement load, the corner flagging results in the reentrant corner to hang the foot more showing.
Disclosure of Invention
In view of the above situation, the invention provides a reinforcing structure for a key slot scaffold top cantilever rod, which realizes that the top of the key slot scaffold top cantilever rod is smooth after being formed, meets the installation requirements of a secondary keel and a template, and solves the technical problem of internal corner hanging feet caused by the drooping of the existing cantilever rod.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a keyway scaffold top member additional strengthening of encorbelmenting, keyway scaffold top is equipped with cantilever pole and horizontal stiffener, the pole of encorbelmenting is located on the extension section of horizontal stiffener, the cantilever pole with it is fixed to connect through coupling assembling between the horizontal stiffener, wherein:
coupling assembling includes two connecting pieces, two connecting pieces all include coupler body and coupler yoke, the upper surface of cantilever bar takes shape and has first hook groove, the upper surface of horizontal stiffener takes shape and has the second hook groove, the definition coupler body hook is located first hook groove be first connecting piece, coupler body hook is located the second hook groove be the second connecting piece, each of two connecting pieces coupler body respectively the hook solid in cantilever bar in the horizontal stiffener, two connecting pieces take shape on the coupler yoke has two adjustment tanks, make adjusting bolt vertical run through in proper order two adjustment tanks are in order to fix a position the drawknot two connecting pieces, adjusting bolt's bottom is inserted and is located in the hollow keyway lead screw, the bottom of keyway lead screw with the support pole setting of keyway scaffold is fixed.
In the embodiment of the present invention, the first hook groove and the second hook groove are arranged in an inverted-splayed shape, and the hook body of the first connecting member and the hook body of the second connecting member are arranged in an inverted-splayed shape.
In the embodiment of the invention, trapezoidal grooves are formed on the opposite inner sides of the cantilever rod and the horizontal reinforcing rod, trapezoidal lugs matched with and inserted into the trapezoidal grooves are formed on the peripheral sides of the top of the key groove screw rod, and the top of the key groove screw rod is clamped and fixed between the cantilever rod and the horizontal reinforcing rod through the trapezoidal lugs and the trapezoidal grooves.
In the embodiment of the invention, the adjusting bolt is provided with a head part and a body part, the head part protrudes above the adjusting groove, the surface of the body part is provided with saw teeth, the inner side of the adjusting groove is provided with saw teeth, and the adjusting bolt is matched with the saw teeth in the adjusting groove to be meshed with and pull the horizontal reinforcing rod and the cantilever rod.
In the embodiment of the invention, the adjusting bolt sequentially penetrates through the second connecting piece and the adjusting groove of the first connecting piece, the tail end of the hook rod of the second connecting piece is bent upwards to form a transition section, the other end of the transition section is provided with a clamping section, the clamping section and the transition section are enclosed to form a groove part, and the tail end of the hook rod of the first connecting piece is clamped in the groove part so that the bottom surface of the second connecting piece and the bottom surface of the first connecting piece are positioned on the same plane.
In the embodiment of the invention, the adjusting bolt sequentially penetrates through the adjusting grooves of the first connecting piece and the second connecting piece, the tail end of the hook rod of the first connecting piece is bent upwards to form a transition section, the other end of the transition section is provided with a clamping section, the clamping section and the transition section are enclosed to form a groove part, and the tail end of the hook rod of the second connecting piece is clamped in the groove part so that the bottom surface of the first connecting piece and the bottom surface of the second connecting piece are positioned on the same plane.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) according to the invention, the cantilever rod and the horizontal reinforcing rod are connected by the first connecting piece and the second connecting piece in a pulling manner, so that the cantilever rod is in a tensioning state, and the internal corner hanging foot caused by the sagging under the action of self weight and the gravity of load is prevented.
(2) The invention has simple structure, simple and quick installation and convenient use.
Drawings
Fig. 1 is a schematic elevation view of a reinforcing structure for a top cantilever bar of a keyway type scaffold of the present invention.
Fig. 2 is a plan view of a second connector of the present invention.
Fig. 3 is a schematic elevational view of a second connector of the present invention.
Fig. 4 is a plan view of a first connector of the present invention.
Fig. 5 is a schematic elevational view of the first connector of the present invention.
FIG. 6 is a schematic view of the assembly of the adjusting bolt of the present invention with the adjusting slot of the first connecting member.
FIG. 7 is a schematic view of the connection of the keyway screw with the cantilever bar and the horizontal stiffener according to the present invention.
Fig. 8 is an enlarged partial schematic view of fig. 7 of the present invention.
Fig. 9 is an enlarged partial schematic view of fig. 1 of the present invention.
Fig. 10 is a schematic view showing a reinforcing structure of a key slot scaffold top cantilever bar according to the present invention in use.
The correspondence of reference numerals to components is as follows:
a cantilever lever 1; a first hook groove 11; a horizontal reinforcing bar 2; a second hook groove 21; an adjusting bolt 3; a body portion 31; serrations 311; a head portion 32; a connecting assembly 4; a first connecting member 41; a hook body 411; a hook stem 412; an adjustment groove 413; serrations 414; the second connecting member 42; a hook body 421; a hook stem 422; an adjustment groove 423; serrations 424; a transition section 425; a snap-fit section 426; a keyway screw 5; trapezoidal shaped projections 51.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 3 and 7 to 9, the present invention provides a reinforcing structure for a cantilever bar at the top of a keyway scaffolding, the keyway scaffolding top is provided with a cantilever bar 1 and a horizontal reinforcing bar 2, the cantilever bar 1 is located on an extension section of the horizontal reinforcing bar 2, and the cantilever bar 1 and the horizontal reinforcing bar 2 are connected and fixed through a connecting assembly 4, wherein: coupling assembling 4 includes two connecting pieces, two connecting pieces all include coupler body and coupler yoke, the upper surface of cantilever bar 1 takes shape there is first hook groove 11, the upper surface of horizontal stiffener is formed with second hook groove 21, the definition coupler body hook is located first hook groove 11 be first connecting piece 41, coupler body hook is located second hook groove 21 be second connecting piece 42, each of two connecting pieces the coupler body respectively the hook fix in cantilever bar 1 in horizontal stiffener 2, two connecting pieces take shape on the coupler yoke has two adjustment tanks, make adjusting bolt 3 vertically run through in proper order two adjustment tanks are with the location drawknot two connecting pieces, adjusting bolt 3's bottom is inserted and is located in hollow keyway 5, the bottom of lead screw 5 with the support pole setting of keyway scaffold is fixed.
Specifically, as shown in fig. 2 to 5, the first connecting element 41 includes a hook body 411 and a hook rod 412, an adjusting groove 413 is formed on the hook rod 412, and the hook body 411 is hooked in the first hook groove 11; the second connector 42 includes a hook 421 and a hook rod 422, the hook 421 has an adjusting groove 423, and the hook 421 is hooked in the second hook groove 21. In the embodiment of the present invention, the first hook slot 11 and the second hook slot 21 are arranged in an inverted-eight shape, and the hook body 411 and the second hook body 421 are shaped into an inverted-eight shape that matches and hooks with the first hook slot 11 and the second hook slot 21; the adjusting grooves 413 and 423 are rectangular, sawteeth are respectively formed on the inner sides of the adjusting grooves 413 and 423, as shown in fig. 1, 6 to 9, the adjusting bolt 3 is formed with a head 32 and a body 31, the head 32 protrudes above the adjusting groove 423, sawteeth 311 are formed on the surface of the body 31, the adjusting bolt 3 is fastened by a handheld electric tool, the sawteeth of the adjusting bolt 3 are engaged with the sawteeth of the adjusting grooves 413 and 423 to rotate, the first connecting piece 41 and the second connecting piece 42 are tightened towards the opposite inner sides, the cantilever bar 1 is ensured to be tightly connected, and the self-weight droop is reduced, and fig. 10 is a schematic view of the using state of the reinforcing structure of the cantilever bar at the top of the key slot scaffold.
Preferably, the adjusting bolt 3 sequentially penetrates through the second connecting piece 42 and the adjusting groove of the first connecting piece 41, as shown in fig. 3, the end of the hook rod 422 of the second connecting piece 42 is bent upwards to form a transition section 425, the other end of the transition section 425 is formed with a clamping section 426, the clamping section 426 is parallel to the hook rod 422, the clamping section 426 and the transition section 425 enclose to form a groove portion, and the end of the hook rod 412 of the first connecting piece 41 is clamped in the groove portion so that the bottom surface of the second connecting piece 42 and the bottom surface of the first connecting piece 41 are located on the same plane; or, the adjusting bolt 3 sequentially penetrates through the adjusting grooves of the first connecting piece 41 and the second connecting piece 42, the head 32 protrudes out of the adjusting groove 413, the tail end of the hook rod of the first connecting piece 41 is bent upwards to form a transition section, the other end of the transition section is formed with a clamping section, the clamping section and the transition section are enclosed to form a groove portion, and the tail end of the hook rod of the second connecting piece 42 is clamped in the groove portion to enable the bottom surface of the first connecting piece 41 and the bottom surface of the second connecting piece 42 to be located on the same plane.
Preferably, as shown in fig. 7 and 8, trapezoidal grooves are formed on the opposite inner sides of the cantilever bar 1 and the horizontal reinforcing bar 2, trapezoidal protrusions 51 matched with the trapezoidal grooves and inserted into the trapezoidal grooves are formed on the peripheral sides of the top of the key groove screw 5, and the top of the key groove screw 5 is clamped and fixed between the cantilever bar 1 and the horizontal reinforcing bar 2 through the trapezoidal protrusions 51 and the trapezoidal grooves.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (6)
1. The utility model provides a keyway scaffold top member additional strengthening of encorbelmenting, a serial communication port, keyway scaffold top is equipped with cantilever bar and horizontal stiffener, the pole of encorbelmenting is located on the extension section of horizontal stiffener, the cantilever bar with it is fixed to connect through coupling assembling between the horizontal stiffener, wherein:
coupling assembling includes two connecting pieces, two connecting pieces all include coupler body and coupler yoke, the upper surface of cantilever bar takes shape and has first hook groove, the upper surface of horizontal stiffener takes shape and has the second hook groove, the definition coupler body hook is located first hook groove be first connecting piece, coupler body hook is located the second hook groove be the second connecting piece, each of two connecting pieces coupler body respectively the hook solid in cantilever bar in the horizontal stiffener, two connecting pieces take shape on the coupler yoke has two adjustment tanks, make adjusting bolt vertical run through in proper order two adjustment tanks are in order to fix a position the drawknot two connecting pieces, adjusting bolt's bottom is inserted and is located in the hollow keyway lead screw, the bottom of keyway lead screw with the support pole setting of keyway scaffold is fixed.
2. A keyway scaffold top cantilever bar reinforcing structure according to claim 1, wherein the first and second hooking grooves are arranged in an inverted-v-shape, and the hooks of the first and second connectors are arranged in an inverted-v-shape.
3. The top cantilever bar reinforcement structure of a key slot scaffold according to claim 1, wherein the opposite inner sides of the cantilever bar and the horizontal reinforcement bar are formed with trapezoidal grooves, the top peripheral side of the key slot lead screw is formed with trapezoidal protrusions inserted in matching with the trapezoidal grooves, and the top of the key slot lead screw is clamped and fixed between the cantilever bar and the horizontal reinforcement bar through the trapezoidal protrusions and the trapezoidal grooves.
4. The keyslot scaffold top cantilever bar reinforcing structure of claim 1, wherein the adjusting bolt is formed with a head portion protruding above the adjusting groove and a body portion having a surface formed with saw teeth, the inner side of the adjusting groove is formed with saw teeth, and the adjusting bolt is engaged with the saw teeth in the adjusting groove to tie the horizontal reinforcing bar and the cantilever bar.
5. The key slot scaffold top cantilever bar reinforcing structure of claim 1, wherein the adjusting bolt sequentially penetrates through the adjusting slots of the second connecting piece and the first connecting piece, the end of the hook bar of the second connecting piece is bent upwards to form a transition section, the other end of the transition section is formed with a clamping section, the clamping section and the transition section are enclosed to form a slot part, and the end of the hook bar of the first connecting piece is clamped in the slot part so that the bottom surface of the second connecting piece and the bottom surface of the first connecting piece are located on the same plane.
6. The key slot scaffold top cantilever bar reinforcing structure of claim 1, wherein the adjusting bolt sequentially penetrates through the adjusting slots of the first connecting piece and the second connecting piece, the end of the hook bar of the first connecting piece is bent upwards to form a transition section, the other end of the transition section is formed with a clamping section, the clamping section and the transition section are enclosed to form a slot part, and the end of the hook bar of the second connecting piece is clamped in the slot part so that the bottom surface of the first connecting piece and the bottom surface of the second connecting piece are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660840.9A CN108915246B (en) | 2018-06-25 | 2018-06-25 | Key slot scaffold top cantilever bar additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660840.9A CN108915246B (en) | 2018-06-25 | 2018-06-25 | Key slot scaffold top cantilever bar additional strengthening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915246A CN108915246A (en) | 2018-11-30 |
| CN108915246B true CN108915246B (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810660840.9A Active CN108915246B (en) | 2018-06-25 | 2018-06-25 | Key slot scaffold top cantilever bar additional strengthening |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100875488B1 (en) * | 2007-07-13 | 2008-12-22 | 김범준 | Non-support form system and construction method using the same |
| CN205918102U (en) * | 2016-06-06 | 2017-02-01 | 富于安（福建）环保模板有限公司 | Building templates supports self -adaptation of usefulness and tears a support adjustable morning open |
| CN107806114A (en) * | 2017-12-01 | 2018-03-16 | 杭州江润科技有限公司 | Basement roof closes late poured band structure and construction method in advance |
-
2018
- 2018-06-25 CN CN201810660840.9A patent/CN108915246B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100875488B1 (en) * | 2007-07-13 | 2008-12-22 | 김범준 | Non-support form system and construction method using the same |
| CN205918102U (en) * | 2016-06-06 | 2017-02-01 | 富于安（福建）环保模板有限公司 | Building templates supports self -adaptation of usefulness and tears a support adjustable morning open |
| CN107806114A (en) * | 2017-12-01 | 2018-03-16 | 杭州江润科技有限公司 | Basement roof closes late poured band structure and construction method in advance |
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| Publication number | Publication date |
|---|---|
| CN108915246A (en) | 2018-11-30 |
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Effective date of registration: 20201231 Address after: No. 14701, 47 / F, unit 1, green space center, block a, northeast corner of cross between Jinye road and zhangbaer Road, Zhangba Street office, high tech Zone, Xi'an City, Shaanxi Province, 710076 Patentee after: Northwest Construction Co.,Ltd. of China Construction Eighth Engineering Bureau Address before: 200122 Pudong New Area, Shanghai, China (Shanghai) free trade trial area 1568 Century Avenue 27 Patentee before: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Co.,Ltd. |
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