CN216042630U - Connecting mechanism capable of adjusting height of cross rod of beam template support frame and beam template support frame - Google Patents

Abstract

A connecting mechanism capable of adjusting the elevation of a cross rod of a beam formwork support frame comprises an axial buckling unit which is coaxial with a vertical rod and fixedly arranged on the outer side surface of the vertical rod, the axial buckling unit is integrally a cylinder with two open ends and hollow inside, and the inner wall of the axial buckling unit is matched with the outer side surface structure of the vertical rod; the positioning and supporting unit comprises a horizontal supporting plate which is connected with the side wall of the axial buckling unit, and buckling through holes are formed in the horizontal supporting plate; also comprises a buckling unit. Through the reasonable setting to the part structure, axial lock unit fixes horizontal support plate at the pole setting assigned height, rethread lock unit connect the horizontal pole and with the cooperation of the lock through-hole on the horizontal support plate, realize fixing the stable hookup of horizontal pole in the pole setting, avoided the potential safety hazard that exists in the traditional scheme, overall structure is simple, easy and simple to handle, stability is high.

Description

Connecting mechanism capable of adjusting height of cross rod of beam template support frame and beam template support frame

Technical Field

The utility model belongs to the technical field of adjustment of beam formwork support frames, and particularly relates to a connecting mechanism capable of adjusting the elevation of a cross rod of a beam formwork support frame and the beam formwork support frame.

Background

When the beam bottom die supporting frame body with various beam heights is used in template engineering application, due to the limitation of the modulus of the rod piece, the cross rod is generally adjusted to a designed elevation and connected with the vertical rod to transfer load by adopting an additional steel pipe fastener and an adjustable jacking mode. When the design of beam die block adopts two horizontal poles to bear, rely on current fastener can't be with two horizontal pole lock joints in same elevation position.

There are generally two solutions to the prior art conditions: the first scheme is that a longitudinal horizontal rod is added to vertical rods on two sides of a concrete beam respectively, and then a cross rod is buckled on the longitudinal horizontal rod; this scheme has two horizontal pole lock joint intervals to be greater than the roof beam bottom top layer board width and the anti horizontal glide force of fastener not enough problem, often adopts a horizontal pole and pole setting lock joint among the construction actual operation, and another horizontal pole is held in the palm the mode of supporting by the top and is solved, and actual bearing condition and design calculation book assume that bearing condition is inconsistent, have the potential safety hazard. According to the second scheme, the vertical rods are additionally arranged at the beam bottoms of the cross rods at each step of the support frame body, the double cross rods of the bottom die of the supporting beam are installed in the jacking support, the two cross rods are completely separated from the vertical rods on two sides of the concrete beam, the supporting is carried only by the vertical rods and the jacking supports which are additionally arranged at the beam bottoms, the requirement on the stability of the jacking support is high, the restraint of the cross rods in the jacking support is small, and the actual deformation of the supporting system is larger than the design calculation amount.

Disclosure of Invention

In view of the above problems, the utility model aims to provide a connecting mechanism capable of adjusting the elevation of a cross rod of a beam formwork support frame and the beam formwork support frame.

In order to achieve the purpose, the technical scheme adopted by the utility model comprises the following steps:

a connecting mechanism capable of adjusting the elevation of a cross rod of a beam formwork support frame comprises an axial buckling unit which is coaxial with a vertical rod and fixedly arranged on the outer side surface of the vertical rod, the whole axial buckling unit is a cylinder with two open ends and hollow inside, and the inner wall of the axial buckling unit is matched with the structure of the outer side surface of the vertical rod; the positioning and supporting unit comprises a horizontal supporting plate connected to the side wall of the axial buckling unit, and buckling through holes are formed in the horizontal supporting plate; the cross bar structure is characterized by further comprising a fastening unit, the fastening unit comprises a fastening head arranged at the end part of the cross bar, the fastening head is of a cylinder structure, one end of the fastening head is connected with the end part of the cross bar, and the other end of the fastening head penetrates through the fastening through hole and the structure of the contact part of the fastening head and the fastening through hole from top to bottom.

Preferably, a fixing plate is arranged between the buckle connector and the end part of the cross rod, the fixing plate is of a cylindrical structure which is coaxial with the cross rod and is fixedly arranged at the end part of the cross rod, and the diameter of the fixing plate is larger than the outer diameter of the cross rod.

Preferably, the fastening joint comprises a fixed section, a transition section and a fastening extension section which are sequentially connected from top to bottom; the fixed section and the transition section are fixedly arranged on the free end surface of the fixed plate; the fastening extension section is fixedly arranged below the fixed plate, the cross section of the fastening extension section is sequentially reduced from top to bottom, and the upper end part of the fastening extension section is matched with the fastening through hole structure.

Preferably, the number of the buckling through holes is three, the connecting line of each buckling through hole is a straight line and is vertical to the axis of the cross rod, and the distance between every two buckling through holes is not less than the diameter of the fixing plate.

Preferably, a plurality of stiffening plates are uniformly arranged between the lower part of the horizontal supporting plate and the axial buckling unit.

Preferably, the axial fastening unit comprises a first fastening body and a second fastening body, the inner side of the first fastening body is matched with the outer side surface structure of the vertical rod, the radial cross section of the first fastening body is an arc structure smaller than 1/2, two side edges of the first fastening body are parallel to the axis of the vertical rod, the second fastening body is consistent with the first fastening body structure, and a space is reserved between the side edge of the first fastening body and the side edge of the adjacent second fastening body; a hinge unit is arranged between one side edge of the first fastener and the adjacent side edge of the second fastener, and a locking unit is arranged between the other side edge of the first fastener and the adjacent side edge of the second fastener; the horizontal supporting plate is arranged on the outer side surface of the first buckling body or the outer side surface of the second buckling body.

Preferably, the interior side of the first fastener and the interior side of the second fastener are both rough.

Preferably, the hinge unit comprises a plurality of hinge rings which are sequentially and alternately arranged on one side of the first fastener and the adjacent side of the second fastener from top to bottom, and the axes of the hinge rings are collinear; the hinge unit also comprises hinge shafts which sequentially penetrate through the holes in the hinge rings, and the hinge shafts are matched with the hole structures in the hinge rings.

Preferably, the locking unit comprises two locking plates respectively arranged on the other side edge of the first buckling body and the adjacent side edge of the second buckling body, and the contact surfaces of the two locking plates are provided with fixing through holes; the locking unit also comprises a locking shaft which sequentially penetrates through the two locking plate fixing through holes.

The utility model discloses a beam formwork support frame, which comprises a plurality of upright posts, wherein a cross rod is arranged between every two adjacent upright posts, and the beam formwork support frame also comprises a connecting mechanism which is arranged between the end part of the cross rod and the upright posts and can adjust the height of the cross rod of the beam formwork support frame.

Compared with the prior art, the utility model has the advantages that:

(1) according to the connecting mechanism capable of adjusting the elevation of the cross rod of the beam formwork support frame, the axial buckling unit fixes the horizontal support plate at the designated height of the vertical rod through reasonable arrangement of the component structure, and the buckling unit is connected with the cross rod and matched with the buckling through hole in the horizontal support plate, so that the cross rod is stably connected and fixed on the vertical rod, the potential safety hazard in the traditional scheme is avoided, and the connecting mechanism is simple in overall structure, simple and convenient to operate and high in stability.

(2) According to the connecting mechanism capable of adjusting the elevation of the cross rod of the beam formwork support frame and the beam formwork support frame, the fixing contact surface between the buckle joint and the cross rod is enlarged by the fixing plate through reasonable arrangement of the component structure, the buckle joint is more stably fixed at the end part of the cross rod, and the overall stability is improved.

(3) According to the connecting mechanism capable of adjusting the elevation of the cross rods of the beam formwork support frame, the number of the cross rods between the adjacent vertical rods can be adjusted conveniently according to actual working conditions through reasonable arrangement of the component structures and arrangement of the three buckling through holes, the cross rods can be used for bearing by single cross rods or double cross rods according to the load bearing condition, and the universality of the connecting mechanism is improved.

(4) According to the connecting mechanism capable of adjusting the elevation of the cross rod of the beam formwork support frame, the axial buckling unit comprises the first buckling body and the second buckling body through reasonable arrangement of the component structure, and the axial buckling unit is engaged and locked on the vertical rod through the matching of the hinge unit and the locking unit; the inner side surfaces of the first buckling body and the second buckling body are rough surfaces, so that the friction force between the first buckling body and the vertical rod and between the second buckling body and the vertical rod are increased, and the axial buckling unit is more stably fixed on the vertical rod.

(5) According to the connecting mechanism capable of adjusting the elevation of the cross rods of the beam formwork support frame and the beam formwork support frame, one or two cross rods are/is stably connected and fixed on the two adjacent vertical rods through reasonable arrangement of the component structures, potential safety hazards existing in the traditional scheme are avoided, the load of the beam formwork support frame is improved, and the connecting mechanism is simple in overall structure, simple and convenient to operate and high in stability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a beam height adjustable brace support cross bar coupling mechanism of the present invention;

FIG. 2 is a schematic structural view of the axial buckling unit, the hinge unit, the locking unit and the positioning and bearing unit in FIG. 1;

FIG. 3 is a schematic structural view of the fastening unit shown in FIG. 1;

FIG. 4 is a top view of the single rail beam form brace of example 2;

FIG. 5 is a front view of the single rail beam form brace of embodiment 2;

FIG. 6 is a top view of the double cross-beam formwork support frame of example 3;

FIG. 7 is a front view of the double cross-beam formwork support bracket of embodiment 3;

the reference numerals in the figures denote:

01 erecting a rod; 02 cross bars; 1 an axial snap-fit unit; 2a hinge unit; 3 a locking unit; 4, positioning and supporting units; 5, a fastening unit;

1-1 a first fastener, 1-2 a second fastener;

2-1 hinge ring, 2-2 hinge shaft;

3-1 locking plate and 3-2 locking shaft;

4-1 horizontal supporting plate, 4-2 fastening through holes and 4-3 stiffening plates;

5-1 fixing plate, 5-2 buckle joint, 5-2a fixing section, 5-2b transition section and 5-2c buckle extension section.

Detailed Description

The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.

It should be noted that the inside and outside of the cavity described in the present invention are both concave and convex surfaces of the arc surface as shown in the attached drawings.

Example 1

As shown in fig. 1-7, the embodiment discloses a coupling mechanism capable of adjusting the elevation of a cross bar of a beam formwork support frame, which includes an axial buckling unit 1 coaxial with an upright rod 01 and fixedly arranged on the outer side surface of the upright rod 01, wherein the axial buckling unit 1 is a cylinder with two open ends and hollow inside, and the inner wall of the axial buckling unit 1 is matched with the outer side surface structure of the upright rod 01; the positioning and supporting unit 4 comprises a horizontal supporting plate 4-1 which is connected with the side wall of the axial buckling unit 1, and a buckling through hole 4-2 is arranged on the horizontal supporting plate 4-1; the buckling unit 5 comprises a buckling joint 5-2 arranged at the end part of the cross rod 02, the buckling joint 5-2 is of a cylindrical structure, one end of the buckling joint 5-2 is connected with the end part of the cross rod 02, the other end of the buckling joint 5-2 penetrates through the buckling through hole 4-2 from top to bottom, and the structure of the contact part of the buckling joint 5-2 and the buckling through hole 4-2 is matched;

the function is as follows: the axial buckling units 1 are coaxial with the upright posts 01 and fixed at the non-end parts of the upright posts 01, and the positions of the axial buckling units 1 on the upright posts 01 are adjusted and fixed according to the requirements through the height of the horizontal supporting plate 4-1; the inner wall of the axial buckling unit 1 is matched with the outer side surface structure of the upright rod 01 to realize the stability of the fixation between the axial buckling unit 1 and the upright rod 01; the buckling joint 5-2 of the buckling unit 5 is used for being matched with the buckling through hole 4-2 on the horizontal supporting plate 4-1, the end part of the cross rod 02 is fixed with the upright rod 01 by penetrating the buckling joint 5-2 through the buckling through hole 4-2 from top to bottom, and the structure matching of the contact part of the buckling joint 5-2 and the buckling through hole 4-2 can ensure that the buckling joint 5-2 is stably connected with the buckling through hole 4-2;

through the cooperation of all parts, the axial buckling unit 1 fixes the horizontal supporting plate 4-1 at the appointed height of the vertical rod 01, and then the buckling unit 5 is connected with the cross rod 02 and matched with the buckling through hole 4-1 on the horizontal supporting plate 4-1, so that the cross rod 02 is stably connected and fixed on the vertical rod 01, the potential safety hazard existing in the traditional scheme is avoided, and the device is simple in overall structure, simple and convenient to operate and high in stability.

Specifically, a fixing plate 5-1 is arranged between the buckle joint 5-2 and the end part of the cross rod 02, the fixing plate 5-1 is of a cylindrical structure which is coaxial with the cross rod 02 and is fixedly arranged at the end part of the cross rod 02, and the diameter of the fixing plate 5-1 is larger than the outer diameter of the cross rod 02;

the function is as follows: because the end part of the cross rod 02 is hollow, the fixing plate 5-1 is used for increasing the fixed contact surface between the buckle connector 5-2 and the cross rod 02 and fixing the buckle connector 5-2 to the end part of the cross rod 02 more firmly, so that the overall stability is improved.

Wherein the fixing plate 5-1 is preferably integrally provided with the snap connector 5-2.

Specifically, the buckle joint 5-2 comprises a fixed section 5-2a, a transition section 5-2b and a buckling extension section 5-2c which are sequentially connected from top to bottom; the fixed section 5-2a and the transition section 5-2b are fixedly arranged on the free end surface of the fixed plate 5-1; the buckling extension section 5-2c is fixedly arranged below the fixing plate 5-1, the cross section of the buckling extension section 5-2c is sequentially reduced from top to bottom, and the upper end part of the buckling extension section 5-2c is structurally matched with the buckling through hole 4-2.

Preferably, three buckling through holes 4-2 are uniformly formed in the horizontal supporting plate 4-1, the connecting line of each buckling through hole 4-2 is a straight line and is vertical to the axis of the cross rod 02, and the distance between every two alternate buckling through holes 4-2 is not less than the diameter of the fixing plate 5-1;

the function is as follows: the three buckling through holes 4-2 are arranged, so that the number of the cross rods 02 between the adjacent vertical rods 01 can be adjusted conveniently according to actual working conditions; during specific construction, the cross rod 02 can be selected to be a single cross rod or a double cross rod for bearing (two ends of the cross rod in the length direction are respectively provided with a connecting fastener) according to the load bearing condition, when the load is small, the single cross rod is selected, and the fastening head 5-2 at the end part of the cross rod 02 is inserted into the middle fastening through hole 4-2 to be fixed; when the load is large, the single cross bar can not meet the stress condition, the double cross bar needs to be used for bearing, the buckling joints 5-2 at the end parts of the two cross bars 02 are respectively inserted into the two alternative buckling through holes 4-2 to be fixed, wherein the distance between the two alternative buckling through holes 4-2 is not less than the diameter of the fixed plate 5-1, and the two fixed plates 5-1 are simultaneously connected and fixed on the horizontal supporting plate 4-1.

Specifically, a plurality of stiffening plates 4-3 are uniformly arranged between the lower part of the horizontal supporting plate 4-1 and the axial buckling unit 1;

the function is as follows: the stiffening plate 4-3 is connected with the axial buckling unit 1 and the horizontal supporting plate 4-1 into a whole, so that the stability of the horizontal supporting plate 4-1 is enhanced, and the horizontal supporting plate 4-1 is prevented from deforming.

Wherein, the stiffening plate 4-3, the axial buckling unit 1 and the horizontal supporting plate 4-1 are preferably of cast iron material.

Specifically, the axial buckling unit 1 comprises a first buckling body 1-1 and a second buckling body 1-2, the inner side of the first buckling body 1-1 is structurally matched with the outer side surface of the upright rod 01, the radial cross section of the first buckling body 1-1 is of an arc structure smaller than 1/2, two side edges of the first buckling body 1-1 are parallel to the axis of the upright rod 01, the second buckling body 1-2 is structurally consistent with the first buckling body 1-1, and a space is reserved between the side edge of the first buckling body 1-1 and the side edge of the adjacent second buckling body 1-2; a hinge unit 2 is arranged between one side edge of the first fastener 1-1 and the adjacent side edge of the second fastener 1-2, and a locking unit 3 is arranged between the other side edge of the first fastener 1-1 and the adjacent side edge of the second fastener 1-2;

the function is as follows: the axial buckling unit 1 consists of a first buckling body 1-1 and a second buckling body 1-2, the first buckling body 1-1 and the second buckling body 1-2 are hinged through a hinging unit 2, so that the first buckling body 1-1 and the second buckling body 1-2 are conveniently meshed after being opened to align with the vertical rod 01, and are locked through a locking unit 3 after being meshed, so that the first buckling body 1-1 and the second buckling body 1-2 are stably fixed on the outer wall of the vertical rod 01.

Specifically, the inner side surfaces of the first fastener 1-1 and the second fastener 1-2 are rough surfaces;

the function is as follows: the inner side surfaces of the first fastener 1-1 and the second fastener 1-2 are occlusion surfaces of the first fastener 1-1, the second fastener 1-2 and the vertical rod 01, and the inner side surfaces of the first fastener 1-1 and the second fastener 1-2 are rough surfaces, so that the friction force between the first fastener 1-1 and the vertical rod 01 is increased, and the axial fastening unit 1 is integrally and stably fixed on the vertical rod 01.

Specifically, the hinge unit 2 comprises a plurality of hinge rings 2-1 which are sequentially and alternately arranged on one side of the first fastener 1-1 and the adjacent side of the second fastener 1-2 from top to bottom, and the axes of the hinge rings 2-1 are collinear; the hinge unit 2 also comprises a hinge shaft 2-2 which sequentially penetrates through the central hole of each hinge ring 2-1, and the hinge shaft 2-2 is matched with the central hole structure of each hinge ring 2-1;

the function is as follows: the axes of the hinge rings 2-1 are collinear and are sequentially arranged on one side of the first fastener 1-1 and the adjacent side of the second fastener 1-2, and then the hinge shafts 2-2 sequentially penetrate through the central holes of the hinge rings 2-1, so that the first fastener 1-1 and the second fastener 1-2 are hinged, and the first fastener 1-1 and the second fastener 1-2 can be conveniently opened and closed; the hinged shaft 2-2 is matched with the hole structures in the hinged rings 2-1, so that the stability of the hinged function between the hinged shaft 2-2 and the hinged rings 2-1 can be ensured.

Wherein, the articulated shaft 2-2 can be selected as a bolt.

Specifically, the locking unit 3 comprises two locking plates 3-1 respectively arranged on the other side edge of the first buckling body 1-1 and the adjacent side edge of the second buckling body 1-2, and a fixing through hole is arranged on the contact surface of the two locking plates 3-1; the locking unit 3 also comprises a locking shaft 3-2 which sequentially penetrates through the fixing through holes of the two locking plates 3-1;

the function is as follows: after the first fastener 1-1 and the second fastener 1-2 are aligned to the vertical rod 01 and occluded, the two locking plates 3-1 are sequentially penetrated through the fixing through holes by the locking shafts 3-2 for locking.

Wherein the locking shaft 3-2 may be selected as a bolt and nut combination.

Specifically, two locking units 3 are arranged on the axial buckling units 1 on the upper side and the lower side of the positioning and supporting unit 4;

the function is as follows: the locking unit 3 is used for fixing and clamping the first fastener 1-1 and the second fastener 1-2 on the upper side and the lower side of the positioning and supporting unit 4, so that the stability is improved.

Example 2

As shown in fig. 4 and 5, the present embodiment discloses a beam formwork support frame, which includes a plurality of vertical rods 01, a cross rod 02 is disposed between each adjacent vertical rod 01, and a connection mechanism for adjusting the height of the cross rod of the beam formwork support frame disclosed in embodiment 1 is disposed between the end of the cross rod 02 and the vertical rods 01.

The load of the embodiment is small, and a cross bar 02 is arranged between the adjacent upright stanchions 01 under the condition of equal height; during construction, the axial buckling units 1 are fixedly arranged at the vertical rods 01 at the designated elevation positions according to the designed elevation, the buckling units 5 are fixedly arranged at the two ends of the cross rod 02, the buckling heads 5-2 of the buckling units 5 are punched down, and finally the buckling heads 5-2 at the two ends of the cross rod 02 are inserted into the middle buckling through hole 4-2 from top to bottom to be fixed.

Wholly realize fixing the stable hookup of a horizontal pole 02 on two adjacent pole setting 01, avoided the potential safety hazard that exists in the traditional scheme, overall structure is simple, easy and simple to handle, stability is high.

Example 3

As shown in fig. 4 and 5, the difference between the beam formwork support frame disclosed in this embodiment and embodiment 2 is only that the load of this embodiment is large, and two cross bars 02 are disposed between adjacent vertical rods 01 under the condition of equal height. During construction, the axial buckling units 1 are fixedly arranged at the vertical rods 01 at the designated elevation positions according to the designed elevation, the buckling units 5 are fixedly arranged at the two ends of the two cross rods 02, the buckling joints 5-2 of the buckling units 5 are punched down, and finally the buckling joints 5-2 at the two ends of the two cross rods 02 are inserted into the two alternate buckling through holes 4-2 from top to bottom to be fixed.

Wholly realize fixing two stable hookups of horizontal pole 02 on two adjacent pole settings 01, avoided the potential safety hazard that exists in the traditional scheme, improve the load of roof beam template support frame, overall structure is simple, easy and simple to handle, stability is high.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of the various embodiments of the present disclosure can be made, and the same should be considered as the inventive content of the present disclosure, as long as the combination does not depart from the spirit of the present disclosure.

Claims (10)

1. The connecting mechanism capable of adjusting the elevation of the cross rod of the beam formwork support frame is characterized by comprising an axial buckling unit (1) which is coaxial with an upright rod (01) and fixedly arranged on the outer side surface of the upright rod (01), wherein the axial buckling unit (1) is integrally a cylinder with two open ends and hollow inside, and the inner wall of the axial buckling unit (1) is structurally matched with the outer side surface of the upright rod (01);

the positioning and supporting unit (4) comprises a horizontal supporting plate (4-1) connected to the side wall of the axial buckling unit (1), and buckling through holes (4-2) are formed in the horizontal supporting plate (4-1);

the novel folding and unfolding combined type folding and unfolding combined type folding and unfolding combined type folding and unfolding combined type folding and unfolding combined type folding and unfolding combined type folding combined.

2. The connecting mechanism for the height of the cross rod of the adjustable beam formwork support frame according to claim 1, wherein a fixing plate (5-1) is arranged between the buckle joint (5-2) and the end part of the cross rod (02), the fixing plate (5-1) is of a cylindrical structure which is coaxial with the cross rod (02) and is fixedly arranged at the end part of the cross rod (02), and the diameter of the fixing plate (5-1) is larger than the outer diameter of the cross rod (02).

3. The connecting mechanism for the height of the cross rod of the adjustable beam formwork support frame according to claim 2, wherein the buckle joint (5-2) comprises a fixed section (5-2a), a transition section (5-2b) and a buckling extension section (5-2c) which are sequentially connected from top to bottom;

the fixed section (5-2a) and the transition section (5-2b) are fixedly arranged on the free end surface of the fixed plate (5-1);

the buckling extension section (5-2c) is fixedly arranged below the fixing plate (5-1), the cross section of the buckling extension section (5-2c) is sequentially reduced from top to bottom, and the upper end part of the buckling extension section (5-2c) is matched with the buckling through hole (4-2) in structure.

4. The connecting mechanism for the height of the cross rod of the support frame of the adjustable beam template as claimed in claim 3, wherein the number of the buckling through holes (4-2) is three, the connecting line of each buckling through hole (4-2) is a straight line and is vertical to the axis of the cross rod (02), and the distance between every two buckling through holes (4-2) is not less than the diameter of the fixing plate (5-1).

5. The connecting mechanism for the height of the cross rod of the support frame of the adjustable beam formwork as claimed in claim 4, wherein a plurality of stiffening plates (4-3) are uniformly arranged between the lower part of the horizontal supporting plate (4-1) and the axial buckling unit (1).

6. The height-marking coupling mechanism for the cross bar of the support frame of the adjustable beam formwork according to any one of claims 1 to 5, wherein the axial fastening unit (1) comprises a first fastening member (1-1) and a second fastening member (1-2), the inner side of the first fastening member (1-1) is matched with the outer side structure of the upright (01), the radial cross section of the first fastening member (1-1) is in a circular arc structure smaller than 1/2, two side edges of the first fastening member (1-1) are parallel to the axis of the upright (01), the second fastening member (1-2) is consistent with the first fastening member (1-1), and a space is left between the side edge of the first fastening member (1-1) and the side edge of the adjacent second fastening member (1-2);

a hinge unit (2) is arranged between one side edge of the first buckling body (1-1) and the side edge of the adjacent second buckling body (1-2), and a locking unit (3) is arranged between the other side edge of the first buckling body (1-1) and the side edge of the adjacent second buckling body (1-2);

the horizontal supporting plate (4-1) is arranged on the outer side surface of the first buckling body (1-1) or the outer side surface of the second buckling body (1-2).

7. The adjustable beam form support frame rail elevation attachment of claim 6, wherein the interior sides of said first fastener (1-1) and said second fastener (1-2) are roughened.

8. The connecting mechanism for the height of the cross rod of the support frame of the adjustable beam template as claimed in claim 6, wherein the hinge unit (2) comprises a plurality of hinge loops (2-1) which are alternately arranged on one side of the first fastener (1-1) and the adjacent side of the second fastener (1-2) from top to bottom, and the axes of the hinge loops (2-1) are collinear;

the hinge unit (2) further comprises hinge shafts (2-2) which sequentially penetrate through the holes in the hinge rings (2-1), and the hinge shafts (2-2) are matched with the hole structures in the hinge rings (2-1).

9. The connecting mechanism for the height of the cross rod of the support frame of the adjustable beam template as claimed in claim 6, wherein the locking unit (3) comprises two locking plates (3-1) respectively arranged at the other side of the first fastener (1-1) and the adjacent side of the second fastener (1-2), and a fixing through hole is arranged on the contact surface of the two locking plates (3-1);

the locking unit (3) also comprises a locking shaft (3-2) which sequentially penetrates through the fixing through holes of the two locking plates (3-1).

10. A beam formwork support frame comprising a plurality of uprights (01), a cross bar (02) being provided between each adjacent upright (01), characterized by further comprising a coupling mechanism for adjusting the height of the cross bar of the beam formwork support frame as claimed in any one of claims 1 to 9 provided between the end of the cross bar (02) and the upright (01).

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