CN116607765B - A construction template fastening device - Google Patents

A construction template fastening device

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Publication number
CN116607765B
CN116607765B CN202310785267.5A CN202310785267A CN116607765B CN 116607765 B CN116607765 B CN 116607765B CN 202310785267 A CN202310785267 A CN 202310785267A CN 116607765 B CN116607765 B CN 116607765B
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CN
China
Prior art keywords
fastening
rod
rods
long
wide
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Active
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CN202310785267.5A
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Chinese (zh)
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CN116607765A (en
Inventor
聂新波
杨金东
李建国
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Cccc Third Engineering Co ltd
CCCC Construction Group Co Ltd
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Cccc Third Engineering Co ltd
CCCC Construction Group Co Ltd
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Priority to CN202310785267.5A priority Critical patent/CN116607765B/en
Publication of CN116607765A publication Critical patent/CN116607765A/en
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Publication of CN116607765B publication Critical patent/CN116607765B/en
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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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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

本发明公开了一种建筑施工模板紧固装置,涉及长度限制件技术领域,包括长紧固杆、宽紧固杆、长度限制件和宽度限制件;长紧固杆:有两根且相对平行设置,其中间段设有承插槽,且长紧固杆整体侧面设置滑槽;宽紧固杆:有两根且相对平行设置,且宽紧固杆沿着垂直于长紧固杆的方向穿过两根长紧固杆的滑槽;长度限制件:包括相邻端铰接的两根伸缩杆,两根伸缩杆的另一端分别与宽紧固杆的端部通过铰接,两根伸缩杆相铰接的部分与承插槽相对应;宽度限制件:设置在每根宽紧固杆的两端,且支撑在长紧固杆朝外侧的侧面。本建筑施工模板紧固装置,安装和拆卸方便,同时具有良好的稳定性。

The present invention discloses a construction template fastening device, which relates to the technical field of length limiting members and includes a long fastening rod, a wide fastening rod, a length limiting member, and a width limiting member. The long fastening rods are two relatively parallel rods, each having a socket slot provided in its middle section, and a sliding groove provided on the entire side of the long fastening rods. The wide fastening rods are two relatively parallel rods, each of which passes through the sliding grooves of the two long fastening rods in a direction perpendicular to the long fastening rods. The length limiting member includes two telescopic rods hinged at adjacent ends, the other ends of the two telescopic rods being hinged to the ends of the wide fastening rods, and the hinged portions of the two telescopic rods corresponding to the socket slots. The width limiting member is provided at both ends of each wide fastening rod and supported on the outward-facing side of the long fastening rod. The construction template fastening device is easy to install and disassemble and has good stability.

Description

Building construction template fastener
Technical Field
The invention relates to the technical field of construction of building templates, in particular to a fastening device for a building construction template.
Background
The building form is a temporary supporting structure, which is manufactured according to the design requirement, so that the concrete structure and the components are formed according to the specified position and geometric dimension, the correct position of the concrete structure and the components is kept, and the self weight of the building form and the external load acted on the building form are borne. The template engineering is carried out to ensure the concrete engineering quality and construction safety, accelerate the construction progress and reduce the engineering cost.
The building template structure for the construction of the cast-in-place concrete structural engineering mainly comprises a panel and a supporting structure. The panel is a bearing plate directly contacted with newly poured concrete, the supporting structure is a temporary structure for supporting the panel, the concrete and the construction load, the building template structure is firmly combined, deformation and damage are avoided, and then the panel and the supporting structure are connected into a whole through a fastener.
Because the fastener is generally fixed on the outer side of the panel in a combined mode and is provided with a plurality of parts, the efficiency is low and the stability is also insufficient when the panel is assembled and disassembled, and therefore, the fastening device for the building construction template is provided.
Disclosure of Invention
The invention aims to overcome the existing defects, provides the building construction template fastening device which is convenient to install and disassemble, has good stability and can effectively solve the problems in the background technology.
In order to achieve the aim, the invention provides the technical scheme that the building construction template fastening device comprises a long fastening rod, a wide fastening rod, a length limiting piece and a width limiting piece;
the long fastening rods are arranged in parallel relatively, the middle section of the long fastening rods is provided with a socket, and the whole side surface of the long fastening rods is provided with a chute;
the two wide fastening rods are oppositely arranged in parallel, and penetrate through the sliding grooves of the two long fastening rods along the direction perpendicular to the long fastening rods;
the length limiting piece comprises two telescopic rods with hinged adjacent ends, wherein the other ends of the two telescopic rods are respectively hinged with the end parts of the wide fastening rods, and the hinged parts of the two telescopic rods correspond to the socket;
And the width limiting pieces are arranged at two ends of each wide fastening rod and are supported on the lateral sides of the long fastening rods facing the outer sides.
Further, the included angle of the two telescopic rods is smaller than 180 degrees, and the end, hinged to the two telescopic rods, is fixed with an anti-unhooking hook. In the laying process of the adjacent fastening devices, one end of each of the two telescopic rods of the upper fastening device, which is hinged, is inserted into the socket of the lower fastening device, the anti-falling hooks are prevented from sliding out, the upper fastening device and the lower fastening device are mutually limited, and the stability of supporting the panel can be improved.
Further, the telescopic link includes loop bar, interior pole and locking bolt, interior pole slides and sets up the inner chamber at the loop bar, and the side screw hole internal thread of loop bar is connected with locking bolt, and locking bolt's inboard end extrudees the surface at interior pole. The length limiting piece is connected by adopting two telescopic rods, and the size of an included angle of the length limiting piece can be controlled, so that the distance between adjacent fastening devices is adjusted, and different use requirements are met.
Further, auxiliary grooves vertically penetrating through the two ends of the wide fastening rod are formed at equal intervals, and wedge blocks are arranged in the auxiliary grooves. The position of the long fastening rod at the end of the wide fastening rod is limited by the wedge.
Further, the wedge block is triangular overall and abuts against the side face of the long fastening rod when being inserted into the auxiliary groove. Before the width limiting piece is used, the wedge blocks can be used for extruding the long fastening rods, so that the long fastening rods are attached to the panel to move to a position with proper width, and then the width limiting piece is locked, and labor is saved during operation.
Further, the width limiting piece comprises a clamping block, a nut seat and a supporting bolt, wherein the clamping block is clamped at the end part of the wide fastening rod, the nut seat is fixed on the clamping block, the supporting bolt is connected in a threaded hole of the nut seat in a threaded manner, and the end part of the supporting bolt is supported on the side surface of the long fastening rod, which faces to the outer side. The width limiting piece is extruded on the outer sides of the two long fastening rods, and the distance between the long fastening rods is controlled.
Further, the fixture block is wholly U-shaped, and the opening direction of fixture block is parallel with the length direction of long fastening rod, and the spout of long fastening rod is passed to the one end of fixture block and the card is at the tip of long fastening rod. After the supporting bolt rotates a certain distance, the whole width limiting piece can be taken down along the direction perpendicular to the supporting bolt, and the efficiency of installation and disassembly is high.
Compared with the prior art, the building construction template fastening device has the beneficial effects that the building construction template fastening device has the following advantages:
1. the building construction template fastening device limits the rectangular space with adjustable size through the two long fastening rods and the two wide fastening rods, and fastens and locks the panel of the building template from the outside, so that the building construction template fastening device is convenient to install and disassemble and has good stability;
2. in the laying process of the adjacent fastening devices, one end of each of the two telescopic rods of the upper fastening device, which is hinged, is inserted into the socket of the lower fastening device, so that the unhooking prevention hook is prevented from sliding out, the upper fastening device and the lower fastening device are mutually limited, and the stability of supporting the panel can be improved;
3. The length limiting piece is connected by adopting two telescopic rods, and the size of an included angle of the length limiting piece can be controlled, so that the distance between adjacent fastening devices is adjusted, and different use requirements are met;
4. Before the width limiting piece is used, the wedge blocks can be used for extruding the long fastening rods, so that the long fastening rods are attached to the panel to move to a position with proper width, and then the width limiting piece is locked, and labor is saved during operation.
Drawings
FIG. 1 is a schematic view of the structure of the long fastening rod and the wide fastening rod of the present invention;
FIG. 2 is a schematic view of the configuration of the wide fastening rod and length limiter of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A;
FIG. 4 is a schematic front view of the structure of FIG. 2 in accordance with the present invention;
fig. 5 is a schematic view of the cooperation of two fastening devices according to the present invention.
In the figure, a long fastening rod, a 101 socket, a 2-wide fastening rod, a 201 auxiliary groove, a3 telescopic rod, a 301 loop bar, a 302 inner rod, a 303 locking bolt, a4 unhooking prevention hook, a 5-width limiting piece, a 501 clamping block, a 502 nut seat, a 503 supporting bolt and a 6 wedge block are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present embodiment provides a technical solution that a construction template fastening device includes a long fastening rod 1, a wide fastening rod 2, a length limiter and a width limiter 5;
two long fastening rods 1 are arranged in parallel relatively, a socket 101 is arranged at the middle section of the long fastening rods, and a chute is arranged on the whole side surface of the long fastening rods 1;
the two wide fastening rods 2 are arranged in parallel relatively, and the wide fastening rods 2pass through the sliding grooves of the two long fastening rods 1 along the direction perpendicular to the long fastening rods 1;
auxiliary grooves 201 which vertically penetrate are formed in the two ends of the wide fastening rod 2 at equal intervals, and wedge blocks 6 are arranged in the auxiliary grooves 201, wherein the positions of the long fastening rod 1 at the end parts of the wide fastening rod 2 are limited by the wedge blocks 6;
Before the width limiting piece is used, the wedge block 6 can be used for extruding the long fastening rod 1, so that the long fastening rod 1 is attached to a panel to move to a position with proper width, and then the width limiting piece is locked, so that the operation is more labor-saving;
The length limiting piece comprises two telescopic rods 3 with hinged adjacent ends, wherein the other ends of the two telescopic rods 3 are respectively hinged with the end parts of the wide fastening rods 2, and the hinged parts of the two telescopic rods 3 correspond to the socket 101;
in the laying process of the adjacent fastening devices (building construction formwork fastening devices), one end of the two telescopic rods 3 hinged with each other of the upper fastening device is inserted into a socket 101 of the lower fastening device, the anti-falling hooks 4 are prevented from sliding out, and the upper and lower limiting positions are mutually set, so that the stability of supporting the panel can be improved;
the telescopic rod 3 comprises a sleeve rod 301, an inner rod 302 and a locking bolt 303, wherein the inner rod 302 is arranged in the inner cavity of the sleeve rod 301 in a sliding manner, the locking bolt 303 is connected in a threaded hole in the side surface of the sleeve rod 301 in a threaded manner, and the inner side end of the locking bolt 303 is extruded on the surface of the inner rod 302;
The width limiting pieces 5 are arranged at two ends of each wide fastening rod 2 and supported on the lateral surfaces of the long fastening rods 1 facing the outer sides, and the width limiting pieces 5 are extruded on the outer sides of the two long fastening rods 1 to control the distance between the long fastening rods 1;
The width limiting piece 5 comprises a clamping block 501, a nut seat 502 and a supporting bolt 503, wherein the clamping block 501 is clamped at the end part of the wide fastening rod 2, the nut seat 502 is fixed on the clamping block 501, the supporting bolt 503 is connected in a threaded hole of the nut seat 502 in a threaded manner, and the end part of the supporting bolt 503 is supported on the lateral surface of the long fastening rod 1 facing the outer side;
the whole fixture block 501 is U-shaped, the opening direction of the fixture block 501 is parallel to the length direction of the long fastening rod 1, one end of the fixture block 501 penetrates through the sliding groove of the long fastening rod 1 and is clamped at the end part of the long fastening rod 1, after the supporting bolt 503 rotates for a certain distance, the whole width limiting piece 5 can be taken down along the direction perpendicular to the supporting bolt 503, and the installation and detachment efficiency is high.
The installation process of the building construction template fastening device provided by the invention is as follows:
After the panel is surrounded, installing a fastening device (the building construction template fastening device) layer by layer, combining two long fastening rods 1 and two wide fastening rods 2 into a rectangle, adjusting the length of the telescopic rod 3 according to the requirement in advance, and sleeving the telescopic rod on the outer side of the panel;
One end of each of the two telescopic rods 3 of the upper side fastening device, which is hinged, is inserted into the corresponding socket 101 of the lower side fastening device, and the anti-unhooking hook 4 is clamped at the lower side of the socket 101 and provides a supporting function;
selecting an auxiliary groove 201 at a proper position, driving a triangular wedge block 6 into the auxiliary groove, supporting the edge of the auxiliary groove 201 by the inclined surface of the wedge block 6, simultaneously extruding the long fastening rods 1 positioned on the inner side, and continuously reducing the distance between the two long fastening rods 1 until the proper position is reached;
then, the clamping block of the width limiting piece 5 in a U shape is clamped at the end part of the wide fastening rod 2 from the side surface, and the supporting bolt 502 is rotated to press the clamping block on the outward side surface of the long fastening rod 1.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention.

Claims (4)

1.一种建筑施工模板紧固装置,其特征在于:包括长紧固杆(1)、宽紧固杆(2)、长度限制件和宽度限制件(5);1. A construction template fastening device, characterized by comprising a long fastening rod (1), a wide fastening rod (2), a length limiting member and a width limiting member (5); 长紧固杆(1):有两根且相对平行设置,其中间段设有承插槽(101),且长紧固杆(1)整体侧面设置滑槽;Long fastening rods (1): There are two long fastening rods (1) which are arranged in parallel with each other, wherein the middle section thereof is provided with a socket (101), and a sliding groove is provided on the entire side surface of the long fastening rods (1); 宽紧固杆(2):有两根且相对平行设置,且宽紧固杆(2)沿着垂直于长紧固杆(1)的方向穿过两根长紧固杆(1)的滑槽;There are two wide fastening rods (2) which are arranged in parallel with each other, and the wide fastening rods (2) pass through the sliding grooves of the two long fastening rods (1) in a direction perpendicular to the long fastening rods (1); 长度限制件:包括相邻端铰接的两根伸缩杆(3),两根伸缩杆(3)的另一端分别与宽紧固杆(2)的端部通过铰接,两根伸缩杆(3)相铰接的部分与承插槽(101)相对应;The length limiting member comprises two telescopic rods (3) hinged at adjacent ends, the other ends of the two telescopic rods (3) being hinged to the ends of the wide fastening rod (2) respectively, and the hinged portions of the two telescopic rods (3) corresponding to the sockets (101); 宽度限制件(5):设置在每根宽紧固杆(2)的两端,且支撑在长紧固杆(1)朝外侧的侧面;Width limiting members (5): provided at both ends of each wide fastening rod (2) and supported on the side faces of the long fastening rod (1) facing outwards; 所述伸缩杆(3)包括套杆(301)、内杆(302)和锁定螺栓(303),所述内杆(302)滑动设置在套杆(301)的内腔,套杆(301)的侧面螺纹孔内螺纹连接有锁定螺栓(303),且锁定螺栓(303)的内侧端挤压在内杆(302)的表面;所述宽紧固杆(2)的两端均等距开设有竖向贯穿的辅助槽(201),辅助槽(201)内设有楔块(6);所述宽度限制件(5)包括卡块(501)、螺母座(502)和支撑螺栓(503),所述卡块(501)卡在宽紧固杆(2)的端部,螺母座(502)固定在卡块(501)上,螺母座(502)的螺纹孔内螺纹连接有支撑螺栓(503),支撑螺栓(503)的端部支撑在长紧固杆(1)朝外侧的侧面。The telescopic rod (3) comprises a sleeve rod (301), an inner rod (302) and a locking bolt (303); the inner rod (302) is slidably arranged in the inner cavity of the sleeve rod (301); the locking bolt (303) is connected to the inner thread of the threaded hole on the side of the sleeve rod (301), and the inner end of the locking bolt (303) is pressed against the surface of the inner rod (302); both ends of the wide fastening rod (2) are equidistantly provided with vertically penetrating auxiliary grooves (201) to assist A wedge block (6) is provided in the groove (201); the width limiting member (5) comprises a clamping block (501), a nut seat (502) and a supporting bolt (503); the clamping block (501) is clamped on the end of the wide tightening rod (2); the nut seat (502) is fixed on the clamping block (501); the threaded hole of the nut seat (502) is threadedly connected with the supporting bolt (503); the end of the supporting bolt (503) is supported on the side of the long tightening rod (1) facing outward. 2.根据权利要求1所述的一种建筑施工模板紧固装置,其特征在于:两根伸缩杆(3)的夹角小于180°,且两根伸缩杆(3)相铰接的一端固定有防脱钩(4)。2. A construction template fastening device according to claim 1, characterized in that the angle between the two telescopic rods (3) is less than 180°, and an anti-disengagement hook (4) is fixed to one end of the two telescopic rods (3) where they are hinged. 3.根据权利要求1所述的一种建筑施工模板紧固装置,其特征在于:所述楔块(6)整体呈三角形,楔块(6)插入辅助槽(201)内时抵在长紧固杆(1)的侧面。3. A construction template fastening device according to claim 1, characterized in that the wedge block (6) is triangular in shape as a whole, and when the wedge block (6) is inserted into the auxiliary groove (201), it abuts against the side of the long fastening rod (1). 4.根据权利要求1所述的一种建筑施工模板紧固装置,其特征在于:所述卡块(501)整体呈U型,卡块(501)的开口方向与长紧固杆(1)的长度方向平行,卡块(501)的一端穿过长紧固杆(1)的滑槽且卡在长紧固杆(1)的端部。4. A construction template fastening device according to claim 1, characterized in that: the clamping block (501) is U-shaped as a whole, the opening direction of the clamping block (501) is parallel to the length direction of the long fastening rod (1), and one end of the clamping block (501) passes through the sliding groove of the long fastening rod (1) and is clamped at the end of the long fastening rod (1).
CN202310785267.5A 2023-06-29 2023-06-29 A construction template fastening device Active CN116607765B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208534043U (en) * 2018-04-13 2019-02-22 中国建筑第七工程局有限公司 Formwork reinforcement tool
CN214195544U (en) * 2020-12-28 2021-09-14 凯里学院 Building construction template
CN113863667A (en) * 2021-11-12 2021-12-31 中国二十二冶集团有限公司 Connecting components for connecting aluminium formwork to wooden formwork

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101134368B1 (en) * 2010-08-10 2012-04-09 주식회사 빌드윈 A support band structure for a concrete mold and an assembly thereof
CN208473298U (en) * 2018-06-22 2019-02-05 中元建设集团股份有限公司 Square cross section column type mould reinforcing member
CN216276950U (en) * 2021-08-10 2022-04-12 李晨花 Movable fastening rod for building construction steel mould
CN217079676U (en) * 2022-06-27 2022-07-29 山西临汾市政工程集团股份有限公司 Square column template fastening buckle for building construction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208534043U (en) * 2018-04-13 2019-02-22 中国建筑第七工程局有限公司 Formwork reinforcement tool
CN214195544U (en) * 2020-12-28 2021-09-14 凯里学院 Building construction template
CN113863667A (en) * 2021-11-12 2021-12-31 中国二十二冶集团有限公司 Connecting components for connecting aluminium formwork to wooden formwork

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