CN215631633U

CN215631633U - Prefabricated GRC ground beam template of pin-connected panel U type

Info

Publication number: CN215631633U
Application number: CN202121468776.8U
Authority: CN
Inventors: 陈慕陶; 庄彪; 殷能樾; 任宪振
Original assignee: China Railway Erju Construction Co Ltd
Current assignee: China Railway Erju Construction Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-25
Anticipated expiration: 2031-06-30
Also published as: DE202022103591U1

Abstract

The application relates to the technical field of building construction, and discloses an assembled U-shaped prefabricated GRC ground beam formwork. The ground beam formwork is formed by assembling a plurality of U-shaped prefabricated GRC formwork with upward notches on the foundation, and two adjacent U-shaped prefabricated GRC formwork are assembled on the foundation. An inner support fixture is provided at the vertical seam of the U-shaped prefabricated GRC formwork and between the two opposite side plates of the U-shaped prefabricated GRC formwork, and the inner support fixture includes a first support crossbar and a second support crossbar The bottoms of the two support bars are respectively provided with U-shaped clamps, and the second support bars can reciprocate along the length direction of the first support bars to change the distance between the two support bars. The application uses prefabricated GRC formwork as the support structure during ground beam construction, which not only improves the construction speed, but also reduces labor and raw material costs, and the inner support fixture used to fix and prevent the formwork from being compressed and deformed can be adjusted according to different sizes. The size of the ground beam formwork can be adjusted adaptively, so the versatility is better.

Description

Prefabricated GRC ground beam template of pin-connected panel U type

Technical Field

The application relates to the technical field of building construction, especially relates to construction formwork, concretely relates to prefabricated GRC ground beam template of pin-connected panel U type.

Background

At present, large industrial factory buildings are more, and in foundation construction, the construction amount of ground beams is larger in the face of a full foundation structure, and a conventional brick-laying tire membrane or a conventional wood template is adopted as a supporting structure, so that the construction speed is low, the problems of high labor and material cost exist, and the method is not particularly suitable for the condition of short construction period.

The prior art provides some GRC forms for use in the construction of ground beams, but still suffers from some problems and drawbacks. For example, the utility model patent with publication number CN207513169U, publication number 2018, 19.06.8, invented name "an assembled U-shaped prefabricated GRC foundation beam mold cup with clamp", its technical scheme is: the utility model provides a prefabricated GRC foundation beam form of pin-connected panel U type with fixture, by the prefabricated GRC foundation beam form notch of a plurality of U type upwards piece together and form on the ground, it is adjacent the vertical part concatenation seam department of the prefabricated GRC foundation beam form of U type is equipped with fixture, fixture includes horizontal bracing piece, horizontal bracing piece both ends are equipped with the solid groove of the card of U type that the opening is decurrent, the solid groove of the card of U type includes first perpendicular portion and the second perpendicular portion that sets gradually from inside to outside, first perpendicular portion and second perpendicular portion all vertical fixation are on horizontal bracing piece, horizontal bracing piece between first perpendicular portion and the second perpendicular portion forms the solid groove bottom of the solid groove of the card of U type, fixture is fixed with the prefabricated GRC foundation beam form of U type on two perpendicular portions of the prefabricated GRC foundation beam form through the solid of the solid groove card of U type at both ends. The utility model has the characteristics of safety, applicability and the like, has good popularization and practical values, and can generate good economic benefits after wide popularization and application.

Although the fixture is used for fixing the GRC template in the prior art, the fixture cannot adjust the size and dimension, one fixture can only adapt to the construction of ground beam GRC templates with one dimension, and the universality is poor.

For another example, in the prior art, the publication number is CN203229962U, the publication date is 2013, 10 and 09, and the utility model is a utility model patent named as "a basic template using GRC cement board", and its technical solution is: the utility model provides an use GRC cement board's basic template, includes the template plate body, the template plate body encloses to close around the basis of will pouring, stands in and is connected in basic bed course upper surface, the template plate body is GRC cement board, pre-buried in the earthwork around the basis of will pouring has the wooden wedge of top belted steel nail, GRC cement board is fixed with the steel nail of wooden wedge top through the steel nail wire rope that draws of board top interval embedded steel nail, and adjacent two in the coplanar the outside concatenation department of GRC cement board uses the connecting plate to consolidate, and the basic turn department of will pouring GRC cement board uses the steel nail to fix, and two are relative even there is the internal stay between the GRC cement board. The utility model solves the defects of large construction amount, large input manpower, high cost, easy environmental pollution and difficult guarantee of the construction period of the traditional brick moulding bed.

The GRC template is fixed by adopting the steel nail steel wire rope pulling mode in the prior art, although the GRC template is not limited by the size of the ground beam template, the GRC template can adapt to the fixation of the ground beam GRC templates with various sizes as long as the length of the steel wire rope is correspondingly shortened, but before construction, wood wedges for fixing the steel nail are pre-buried in advance on earthwork at two sides, so that the construction is troublesome.

Disclosure of Invention

To the problem and the defect that exist among the above-mentioned prior art, this application provides one kind can adapt to not unidimensional ground beam template construction and construction convenience's prefabricated GRC template of pin-connected panel U type.

In order to achieve the above object, the technical solution of the present application is as follows:

an assembled U-shaped prefabricated GRC floor beam template comprises a plurality of U-shaped prefabricated GRC templates, wherein the notches of the U-shaped prefabricated GRC templates are assembled upwards on a foundation to form the floor beam template, an inner supporting fixture is arranged between the splicing seam of the vertical parts of two adjacent U-shaped prefabricated GRC templates and two opposite side plates of the U-shaped prefabricated GRC templates and comprises a first supporting cross rod and a second supporting cross rod, the bottoms of the two supporting cross rods are respectively provided with a U-shaped clamp, the first supporting cross rod is hollow and provided with an opening at one end, one end of the second supporting cross rod is sleeved inside the first supporting cross rod through the opening, the inner wall of the first supporting cross rod is provided with a first chute, the two sides of the outer wall of the second supporting cross rod are provided with first sliding blocks, the first sliding blocks are arranged in the first chute in a sliding manner, the second supporting cross rod can reciprocate along the length direction of the first supporting cross rod, a first threaded hole is formed in the first supporting cross rod in a penetrating mode, and a first locking bolt is arranged in the first threaded hole.

Furthermore, a spring is arranged inside the first supporting cross rod, one end of the spring is connected with the first supporting cross rod, and the other end of the spring is connected with the second supporting cross rod.

Further, U type clamp includes first clamping part and second clamping part, the top of second clamping part is provided with U type opening, and the second clamping part passes through U type opening block is on the support horizontal pole that corresponds, and U type open-ended bottom is provided with the second slider, and the bottom surface of supporting the horizontal pole is provided with the second spout, and the second slider slides and sets up in the second spout, still be provided with the second screw hole that runs through on the U type open-ended lateral wall, the threaded second that is provided with second locking bolt in the second.

Further, the inside U shaped steel muscle and the horizontal distribution muscle that the symmetry set up in U shaped steel muscle both sides that is provided with of U type prefabricated GRC template, horizontal distribution muscle and U shaped steel muscle are connected, U shaped steel muscle evenly sets up along template length direction, and interval between two adjacent U shaped steel muscle is 600mm, horizontal distribution muscle evenly sets up in the both sides of U shaped steel muscle along template direction of height, and interval between two adjacent horizontal distribution muscle is 400 mm.

Furthermore, the number of the horizontal distribution ribs is not less than two along the height direction of the template.

Furthermore, the left side and the right side of the U-shaped prefabricated GRC template are respectively provided with a positioning steel bar along the length direction of the template, the bottom ends of the positioning steel bars are obliquely inserted into the foundation and fixed in the foundation, and the positioning steel bars are surrounded into a limiting frame for limiting the U-shaped prefabricated GRC template.

The beneficial effect of this application:

(1) this application adopts prefabricated GRC template as the bearing structure when the grade beam is under construction, has not only improved the construction speed, has still reduced manual work and raw and other materials cost simultaneously.

(2) In this application, be used for fixed and prevent that the interior of U type prefabricated GRC template compression deformation from propping up fixture and can be according to its size of a dimension of adjustment of the ground beam template adaptability of unidimensional, therefore the commonality is better, also can reduce construction cost.

(3) In this application, the interval between two clamping parts on the U type clamp is adjustable, consequently can also adapt to the fixed of the prefabricated GRC template of different thickness.

(4) In this application, the both sides setting of the prefabricated GRC template of U type is provided with a plurality of spacer bars respectively, the spacer bar encloses into the spacing frame of spacing template, and the prefabricated GRC template of U type is installed when the construction is installed in the spacing frame, under the effect of both sides spacer bar, can prevent that the template from shifting.

Drawings

The foregoing and following detailed description of the present application will become more apparent when read in conjunction with the following drawings, wherein:

FIG. 1 is a front cross-sectional structural schematic view of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic top view of the present application;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic view of a second clamping portion of the present application;

FIG. 6 is a side view of the present application;

fig. 7 is a schematic diagram of reinforcement of a prefabricated GRC formwork.

In the figure:

1. prefabricating a GRC template in a U shape; 2. an internal bracing fixture; 3. a U-shaped clamp; 4. a first chute; 5. a first slider; 6. a first locking bolt; 7. a spring; 8. a U-shaped opening; 9. a second slider; 10. a second chute; 11. locking the bolt; 12. u-shaped steel bars; 13. horizontally distributing ribs; 14. positioning the reinforcing steel bars; 21. a first support rail; 22. a second support rail; 31. a first clamping portion; 32. a second clamping portion.

Detailed Description

The technical solutions for achieving the objects of the present invention are further described below by using several specific examples, and it should be noted that the technical solutions claimed in the present application include, but are not limited to, the following examples.

Example 1

The embodiment discloses an assembled U-shaped prefabricated GRC ground beam formwork, which is formed by assembling a plurality of U-shaped prefabricated GRC formworks 1 on a foundation in an assembling way by referring to attached

drawings

1, 2, 3, 4 and 6 of the specification, wherein the notches of the U-shaped prefabricated GRC formworks 1 are upward, and inner supporting fixtures 2 are arranged at the splicing seams of the vertical parts of two adjacent U-shaped prefabricated GRC formworks 1 and between two opposite side plates of the U-shaped prefabricated GRC formworks 1; further, the inner supporting fixture 2 comprises two supporting cross bars, which are respectively a first supporting cross bar 21 and a second supporting cross bar 22, the bottoms of the two supporting cross bars are respectively provided with a U-shaped clamp 3 with the same structure, the first supporting cross bar 21 is hollow and has an opening at one end, one end of the second supporting cross bar 22 is sleeved inside the first supporting cross bar 21 through the opening, further, the inner wall of the first supporting cross bar 21 is provided with a first sliding chute 4, two sides of the outer wall of the second supporting cross bar 22 are provided with first sliding blocks 5, the first sliding blocks 5 are slidably arranged in the first sliding chute 4, the second supporting cross bar 22 can reciprocate along the length direction of the first supporting cross bar 21, the upper surface of the first supporting cross bar 21 is provided with a first threaded hole, a first locking bolt 6 is arranged in the first threaded hole, one end of the first locking bolt extends into the inner cavity of the first supporting cross bar 21, for locking the second support rail 22.

Further, in order to improve the intensity of the prefabricated GRC template of U type, refer to specification figure 7, 1 inside U shaped steel muscle 12 and the horizontal distribution muscle 13 of symmetry setting in U shaped steel muscle 12 both sides of U type prefabricated GRC template, horizontal distribution muscle 13 is connected with U shaped steel muscle 12, U shaped steel muscle 12 evenly sets up along template length direction, and the interval between two adjacent U shaped steel muscle 12 is 600mm, horizontal distribution muscle 13 evenly sets up in the both sides of U shaped steel muscle 12 along template direction of height, and the interval between two adjacent horizontal distribution muscle 13 is 400mm, and two are no less than along template direction of height to horizontal distribution muscle 13.

When the ground beam template is under construction, assemble the prefabricated GRC template of a plurality of U type ending mutually on the ground, assemble the completion back, support fixture in the installation of the vertical part concatenation seam department of two adjacent prefabricated GRC templates of U type, support the horizontal pole with the second and move towards or keep away from first support horizontal pole, reduce or increase the interval between two U type clamps, adjust to suitable distance after, block the notch difference block of two U type clamps on corresponding side GRC template, then screw first locking bolt on the first support horizontal pole, support the horizontal pole lock with the second and die. Under the effect of the internal bracing fixture, when earth is backfilled in the later period, the backfilled earth on the two sides can not extrude and deform the U-shaped prefabricated GRC template inwards.

In this embodiment, the internal stay fixture for fixing and preventing the U-shaped prefabricated GRC template from compressive deformation can adjust the size of the U-shaped prefabricated GRC template according to the adaptability of the ground beam templates with different sizes, so that the universality is better, and the construction cost can be reduced.

Example 2

As a preferred embodiment of the present application, in this embodiment, on the basis of embodiment 1, referring to fig. 2 in the description, a spring 7 is disposed in an internal cavity of the first support cross bar 21, one end of the spring 7 is connected to an inner wall of a top cover of the first support cross bar 21, and the other end is connected to an outer wall of the top cover of the second support cross bar 22, and under the action of the spring 7, the second support cross bar 22 can reciprocate along the length direction of the first support cross bar 21, so as to change the distance between the U-shaped clamps 3 on the two support cross bars, so as to adapt to the fixed support of formworks with different cross-sectional dimensions; further, when initial state, the interval between two U type clamps 3 is bigger than the width of ground beam template, during the fixture is propped in the installation, support horizontal pole 22 with the second and move towards first support horizontal pole 21, reduce the interval between two U type clamps 3, adjust to suitable distance after, with the notch difference block of two U type clamps 3 on corresponding side GRC template, then screw first locking bolt 6 on the first support horizontal pole 21, support horizontal pole 22 with the second and lock.

In this embodiment, under the action of the spring, the inner bracing fixture has an outward pre-tightening force on the GRC templates on both sides, and the pre-tightening force can further prevent the backfill soil on both sides from causing extrusion deformation on the prefabricated GRC templates.

Example 3

As another preferred embodiment of the present application, on the basis of embodiment 1 or embodiment 2, in order to better adapt to the clamping and fixing of the prefabricated GRC formwork with different thicknesses, this embodiment further defines a U-shaped clamp, the U-shaped clamps 3 provided on the first supporting cross bar 21 and the second supporting cross bar 22 are identical in structure, referring to fig. 1, fig. 4 and fig. 5 of the specification, the U-shaped clamp 3 includes a first clamping portion 31 and a second clamping portion 32, the top end of the second clamping portion 32 is provided with a U-shaped opening 8, the second clamping portion 32 is clamped on the corresponding supporting cross bar through the U-shaped opening 8, further, the bottom of the U-shaped opening is provided with a second sliding block 9, the bottom surface of the supporting cross bar is provided with a second sliding slot 10, the second sliding block 9 is slidably provided in the sliding slot 10, the first clamping portion 31 is fixed on the bottom of the supporting cross bar, the second clamping portion 32 can move along the length direction of the corresponding supporting cross bar, so that the distance between the second clamping portion 32 and the first clamping portion 31 is changed, a penetrating second threaded hole is further formed in the side wall of the U-shaped opening 8, a second locking bolt 11 is arranged in the second threaded hole, and the second locking bolt is used for locking the second clamping portion 32.

Because the thickness size of template has multiple specification, consequently fixed and the centre gripping of template for the various different thickness of better adaptation, and reduce construction cost, this embodiment has made the improvement to U type clamp, the interval between two clamping parts of U type clamp is adjustable, after two U type clamps block respectively on the prefabricated GRC template of corresponding side, move the second clamping part towards first clamping part, adjust the interval of two clamping parts to suitable distance after, screw second locking bolt and lock the second clamping part.

Example 4

As a best implementation manner of the present application, on the basis of the above embodiment, in order to prevent the U-shaped prefabricated GRC formwork installed on the foundation from shifting, which results in rework and slow down of the construction progress, referring to fig. 6 of the specification, in this embodiment, a plurality of positioning steel bars 14 are respectively disposed on two sides of the formwork, the positioning steel bars 14 are uniformly distributed along the length direction of the formwork, the bottom ends of the positioning steel bars 14 are obliquely inserted into the foundation and fixed in the foundation, and a plurality of the positioning steel bars 14 disposed on two sides of the formwork enclose a limiting frame for limiting the U-shaped prefabricated GRC formwork 1. When the ground beam template is constructed, the U-shaped prefabricated GRC is located in the limiting frame, so that the U-shaped prefabricated GRC template can be prevented from shifting under the action of positioning reinforcing steel bars on two sides.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The foregoing is directed to embodiments of the present invention, which are not limited thereto, and any simple modifications and equivalents thereof according to the technical spirit of the present invention may be made within the scope of the present invention.

Claims

1. An assembled U-shaped prefabricated GRC ground beam formwork, comprising several U-shaped prefabricated GRC formwork (1), wherein the U-shaped prefabricated GRC formwork (1) is assembled on the foundation with a slot upward to form a ground beam formwork, adjacent to the ground beam formwork. An inner support fixture (2) is provided at the joints of the vertical parts of the two U-shaped prefabricated GRC formwork (1) and between the two opposite side plates of the U-shaped prefabricated GRC formwork (1), characterized in that: the The inner support fixture (2) includes a first support cross bar (21) and a second support cross bar (22), the bottoms of the two support cross bars are respectively provided with U-shaped clamps (3), and the first support cross bar is provided with a U-shaped clamp (3). The inside of the rod (21) is hollow and an opening is provided at one end, and one end of the second support crossbar (22) is sleeved inside the first support crossbar (21) through the opening, and the first support crossbar (21) ) is provided with a first chute (4) on the inner wall, first sliders (5) are provided on both sides of the outer wall of the second support crossbar (22), and the first sliders (5) are slidably arranged on the first sliders (5). In the groove (4), the second support cross bar (22) can reciprocate along the length direction of the first support cross bar (21), and the first support cross bar (21) is provided with a first threaded hole passing through it , a first locking bolt (6) is arranged in the first threaded hole.

2. An assembled U-shaped prefabricated GRC ground beam formwork according to claim 1, characterized in that: a spring (7) is provided inside the first support crossbar (21), and one end of the spring (7) is connected to the first crossbar (21). A support cross bar (21) is connected, and the other end is connected with a second support cross bar (22).

3. An assembled U-shaped prefabricated GRC ground beam formwork according to claim 1, characterized in that: the U-shaped clamp (3) comprises a first clamping part (31) and a second clamping part ( 32), the top end of the second clamping portion (32) is provided with a U-shaped opening (8), and the second clamping portion (32) is engaged with the corresponding support crossbar through the U-shaped opening (8). , the bottom of the U-shaped opening (8) is provided with a second sliding block (9), the bottom surface of the supporting cross bar is provided with a second sliding groove (10), and the second sliding block (9) is slidably arranged in the second sliding groove In (10), the side wall of the U-shaped opening (8) is further provided with a second threaded hole passing through, and a second locking bolt (11) is provided in the second threaded hole.

4. An assembled U-shaped prefabricated GRC ground beam formwork according to claim 1, characterized in that: the U-shaped prefabricated GRC formwork (1) is internally provided with U-shaped steel bars (12) and symmetrically arranged in the U-shaped The horizontal distribution bars (13) on both sides of the steel bar (12) are connected with the U-shaped steel bars (12), and the U-shaped steel bars (12) are evenly arranged along the length of the formwork, and two adjacent U-shaped steel bars (12) are provided. The spacing between the reinforcing bars (12) is 600mm, the horizontal distribution bars (13) are evenly arranged on both sides of the U-shaped reinforcing bars (12) along the height direction of the formwork, and the spacing between two adjacent horizontal distribution bars (13) is 400mm.

5 . The assembled U-shaped prefabricated GRC ground beam formwork according to claim 4 , wherein the horizontal distribution ribs ( 13 ) are not less than two in the height direction of the formwork. 6 .

The assembled U-shaped prefabricated GRC ground beam formwork according to claim 1, characterized in that: the left and right sides of the U-shaped prefabricated GRC formwork (1) are respectively provided with positioning steel bars along the length direction of the formwork (14), the bottom ends of the positioning steel bars (14) are obliquely inserted into the foundation and fixed in the foundation, and a plurality of the positioning steel bars (14) encloses a limiting frame for limiting the U-shaped prefabricated GRC formwork (1).