Angle-variable telescopic small channel formwork supporting frame system

Abstract

The utility model provides an angle-variable telescopic small channel formwork supporting frame system which comprises a plurality of rows of channel formwork supporting frames parallel to one another. The channel formwork supporting frame comprises a supporting system and side wall outer side fixing devices located on the two sides of the supporting system, and side wall inner side fixing devices are correspondingly arranged on the inner sides of the side wall outer side fixing devices. The top of the side wall inner side fixing device is connected with the supporting system in a hinged mode. And the side wall inner side fixing device is matched with the corresponding wall outer side fixing device to support and position the corresponding small channel template. The problem of pouring variable cross-section channels and universal slip forms with different channel sizes in the small channel template supporting process is solved, and the problems that a template is difficult to manufacture, many fixing tools are consumed, and consequently equipment is wasted are solved; construction land occupation can be reduced, and construction progress is promoted and construction efficiency is improved on the premise that life safety of construction workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary settings for channel construction, in particular to a telescopic small-sized channel formwork support frame system with a variable angle. Background Art

[0002] During the process of supporting small channel formwork, it is necessary to manually dig trenches and install them step by step on the spot, which is inefficient, and the installation size is prone to offset, the pile position may be biased, and the linearity is poor. The current manual fixing equipment is still in a backward stage, with fixed size, and it is easy to fall off during the pouring process, causing collapse, and even causing personal injury. A variable-angle telescopic small channel formwork support frame system can greatly facilitate operators to install small channel formworks of different specifications and sizes, improve construction efficiency, and ensure the safety of personnel. Utility Model Content

[0003] In view of the technical problems existing in the background technology, the utility model provides a variable-angle telescopic small channel formwork support frame system, which solves the problem of casting variable-section channels and universal sliding membranes for different channel sizes during the small channel formwork support procedure. There are still problems such as difficulty in formwork production and many wear and tear of fixing tools, which leads to waste of equipment. The utility model can reduce the construction land occupation, ensure the life safety of construction workers, promote construction progress and improve construction efficiency.

[0004] In order to solve the above technical problems, the utility model provides a telescopic small channel formwork support frame system with a variable angle, comprising multiple rows of channel formwork support frames parallel to each other;

[0005] The channel formwork support frame includes a support system and side wall outer side fixing devices located on both sides of the support system, and side wall inner side fixing devices are correspondingly arranged on the inner side of the side wall outer side fixing devices;

[0006] The top of the inner side fixing device of the side wall is connected to the support system by a hinged manner; the inner side fixing device of the side wall cooperates with the outer side fixing device of the corresponding wall to support and position the corresponding small channel template.

[0007] The support system includes a support beam;

[0008] Slide grooves are symmetrically arranged on both sides of the support beam, and the polygonal slider located on the top of the side wall outer side fixing device is embedded in the slide groove and the polygonal slider can move along the slide groove direction, so that the side wall outer side fixing device can adjust the relative position with the support system;

[0009] The outer end of the slide is fixedly connected with an extrusion block through a hinge and a lock, and a penetrating extrusion threaded slot hole is arranged in the middle of the extrusion block; the threaded slot hole is communicated with the corresponding slide, and an extrusion bolt is arranged in the extrusion threaded slot hole and connected to each other through threaded cooperation; the inner end of the extrusion bolt cooperates with the corresponding polygonal slider to tighten each other;

[0010] A freely movable hinge shaft slider is arranged in the slide groove, and a hinge shaft is arranged at the lower part of the hinge shaft slider, so that the hinge ring on the rotating fixed rod side located at the top of the fixing device on the inner side of the side wall cooperates with the corresponding hinge shaft to form a hinge.

[0011] The side wall outer side fixing device comprises a fixing rod, a sliding auxiliary rod is sleeved on the lower part of the fixing rod, and the sliding auxiliary rod can slide freely along the direction of the fixing rod;

[0012] A polygonal sliding block is arranged on the top of the fixing rod, and the polygonal sliding block is embedded in a corresponding sliding groove in the supporting system.

[0013] A threaded hole is provided on the top end face of the polygonal slider, and a side wall outer locking bolt is sleeved on the threaded hole. By tightening the side wall outer locking bolt, the side wall outer locking bolt clamps the support beam on the support system, thereby fixing the position of the side wall outer fixing device.

[0014] A sliding sub-rod spring button is arranged on the sliding sub-rod, and a plurality of main fixing rod holes are arranged on the fixing rod; the sliding sub-rod spring button and the corresponding main fixing rod holes can be fitted with each other, so as to facilitate the adjustment of the relative positions of the sliding sub-rod and the fixing rod, thereby realizing the height adjustment of the fixing device on the outer side of the side wall; template fixing steel sheets are arranged on the inner side of the upper part of the fixing rod and the inner side of the lower part of the sliding sub-rod, screw holes are evenly distributed on the template fixing steel sheets, and cross screws are installed on the screw holes; so that the cross screws are tightly fitted with the corresponding small channel template; a fixing cone is arranged at the bottom of the sliding sub-rod, so that the lower part of the fixing device on the outer side of the side wall is directly embedded in the foundation, so as to control the verticality of the fixing device on the outer side of the side wall.

[0015] The inner side fixing device of the side wall comprises a rotating fixing rod, a sliding auxiliary rod 1 is sleeved on the lower part of the rotating fixing rod, and the sliding auxiliary rod 1 can slide freely along the direction of the rotating fixing rod;

[0016] A rotating fixing rod side hinge ring is arranged on the top of the rotating fixing rod, and the rotating fixing rod side hinge ring is hingedly matched with the corresponding support beam hinge shaft on the support system to realize the free rotation of the rotating fixing rod.

[0017] A sliding sub-rod spring button is arranged on the sliding sub-rod 1, and a plurality of rotating fixing rod holes are arranged on the rotating fixing rod; the sliding sub-rod spring button can be mutually engaged with the rotating fixing rod holes, so as to facilitate the adjustment of the relative position of the sliding sub-rod 1 and the rotating fixing rod, thereby realizing the height adjustment of the fixing device on the inner side of the side wall.

[0018] A template fixing steel sheet is provided on the outer side of the upper part of the rotating fixing rod and the outer side of the lower part of the sliding auxiliary rod. Screw holes are evenly distributed on the template fixing steel sheet, and a cross screw is provided on the corresponding screw hole, so that the cross screw is tightly matched with the corresponding small channel template; a fixing cone is provided at the bottom of the sliding auxiliary rod, so that the lower part of the fixing device on the outer side of the side wall is directly embedded in the foundation, so as to control the stability of the fixing device on the inner side of the side wall;

[0019] An oblique support hydraulic system is provided between the rotating fixed rod and the support beam of the support system;

[0020] The oblique support hydraulic system includes a hydraulic pipe and a hydraulic arm coaxial with the hydraulic pipe; a hydraulic pipe side hinge ring is arranged at the end of the hydraulic pipe, and a hydraulic arm side hinge ring is arranged at the end of the hydraulic arm;

[0021] A support beam hinge shaft is arranged on the lower side of the support beam corresponding to the position of the hydraulic pipe side hinge ring, and the hydraulic pipe side hinge ring and the support beam hinge shaft are hingedly matched;

[0022] A rotating fixed rod hinge shaft is arranged at the inner side of the lower part of the rotating fixed rod corresponding to the position of the hydraulic arm side hinge ring, and the hydraulic arm side hinge ring and the rotating fixed rod hinge shaft are hingedly matched.

[0023] A threaded hole 1 is provided on the top end surface of the hinge shaft slider, and a side wall inner side locking bolt is sleeved on the threaded hole 1. By tightening the side wall inner side locking bolt, the side wall inner side locking bolt clamps the support beam of the support system, thereby fixing the position of the side wall inner side locking bolt.

[0024] A telescopic ram system is placed on the small channel formwork between adjacent rows of channel formwork support frames;

[0025] The telescopic push rod system includes a main telescopic tube and a spiral telescopic arm; the main telescopic tube and the spiral telescopic arm are coaxial and connected by internal thread matching, so that the length of the telescopic push rod system can be adjusted, and the outer ends of the main telescopic tube and the spiral telescopic arm are evenly distributed with a clamping structure, and the clamping structure is clamped with the corresponding small channel template.

[0026] The beneficial effects of the utility model are: the telescopic structure is used to be applicable to small channels of different sizes and types, while ensuring personal safety and avoiding delays in work progress; it solves the problem of casting variable-section channels and universal sliding membranes for different channel sizes during the small channel formwork support procedure, and solves the problem of difficulty in making formworks and many wear and tear of fixing tools, which leads to waste of equipment; it can reduce the construction land occupation, promote construction progress and improve construction efficiency under the premise of ensuring the life safety of construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of a monomer structure of at least one embodiment of the utility model;

[0028] Figure 2 for Figure 1 Overall schematic diagram in the installed and used state;

[0029] Figure 3 for Figure 2 Schematic diagram of the local explosion structure;

[0030] Figure 4 for Figure 2 A schematic diagram of the structure of the middle main telescopic tube;

[0031] Figure 5 for Figure 2 A schematic diagram of the partially enlarged structure of the rotating fixed rod and the fixed rod;

[0032] Figure 6 for Figure 2 Schematic diagram of the end structure of the middle extrusion block;

[0033] In the figure: 1- side wall outer locking bolt, 2- side wall inner locking bolt, 3- support beam, 31- slide groove, 32- extrusion block, 33- extrusion thread groove, 34- extrusion bolt, 35- support beam hinge shaft, 4- main telescopic tube, 41- spiral telescopic arm, 5- template, 6- hydraulic pipe, 61- hydraulic arm, 62- hydraulic arm side hinge ring, 63- hydraulic pipe side hinge ring, 7- fixed rod, 71- sliding auxiliary rod, 72- template fixing steel sheet, 73- threaded hole, 74- multiple Square slider, 75-main fixing rod hole, 76-cross screw, 77-sliding sub-rod spring button, 78-fixing cone, 8-rotating fixing rod, 81-sliding sub-rod, 82-rotating fixing rod hinge shaft, 83-rotating fixing rod side hinge ring, 84-template fixing steel sheet, 85-cross screw, 86-rotating fixing rod hole, 87-sliding sub-rod spring button, 88-fixing cone, 9-hinge shaft slider, 91-hinge shaft, 92-threaded hole, 10-lock, 11-hinge. DETAILED DESCRIPTION

[0034] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0035] The first embodiment of the present invention relates to Figures 1 to 6 A variable-angle telescopic small channel formwork support frame system is shown, comprising a plurality of rows of channel formwork support frames parallel to each other;

[0036] The channel formwork support frame includes a support system and side wall outer side fixing devices located on both sides of the support system, and side wall inner side fixing devices are correspondingly arranged on the inner side of the side wall outer side fixing devices;

[0037] The top of the inner side fixing device of the side wall is connected to the support system by a hinged manner; the inner side fixing device of the side wall cooperates with the outer side fixing device of the corresponding wall to support and position the corresponding small channel template 5.

[0038] The second embodiment of the present invention is substantially the same as the first embodiment, mainly in that the support system comprises a support beam 3;

[0039] Slide grooves 31 are symmetrically arranged on both sides of the support beam 3, and the polygonal slider 74 located on the top of the side wall outer side fixing device is embedded in the slide groove 31 and the polygonal slider 74 can move along the slide groove 31, so that the side wall outer side fixing device can adjust the relative position with the support system;

[0040] The outer end of the slide groove 31 is fixedly connected with an extrusion block 32 through a hinge 11 and a lock 10, and a penetrating extrusion threaded slot 33 is provided in the middle of the extrusion block 32; the threaded slot 33 is communicated with the corresponding slide groove 31, and an extrusion bolt 34 is provided in the extrusion threaded slot 33 and connected to each other through threaded cooperation; the inner end of the extrusion bolt 34 cooperates with the corresponding polygonal slider 74 to press against each other;

[0041] A freely movable hinge axis slider 9 is arranged in the slide groove 31, and a hinge axis 91 is arranged at the lower part of the hinge axis slider 9, so that the rotating fixed rod side hinge ring 83 located at the top of the fixing device on the inner side of the side wall cooperates with the corresponding hinge axis 91 to form a hinge.

[0042] Further, a telescopic ram system is placed on the small channel formwork 5 between adjacent rows of channel formwork support frames;

[0043] The telescopic top rod system includes a main telescopic tube 4 and a spiral telescopic arm 41; the main telescopic tube 4 and the spiral telescopic arm 41 are coaxial and connected by internal thread matching, so that the length of the telescopic top rod system can be adjusted, and the outer ends of the main telescopic tube 4 and the spiral telescopic arm 41 are evenly distributed with a clamping structure, and the clamping structure is clamped with the corresponding small channel template 5.

[0044] The third embodiment of the utility model is substantially the same as the first embodiment, mainly in that the side wall outer side fixing device comprises a fixing rod 7, a sliding auxiliary rod 71 is sleeved on the lower part of the fixing rod 7, and the sliding auxiliary rod 71 can slide freely along the direction of the fixing rod 7;

[0045] A polygonal sliding block 74 is disposed on the top of the fixing rod 7 , and the polygonal sliding block 74 is embedded in the corresponding sliding groove 31 in the supporting system.

[0046] Furthermore, a threaded hole 73 is provided on the top end face of the polygonal slider 74, and a side wall outer locking bolt 1 is sleeved on the threaded hole 73. By tightening the side wall outer locking bolt 1, the side wall outer locking bolt 1 clamps the support beam 3 on the support system, thereby achieving position fixation of the side wall outer fixing device.

[0047] Furthermore, a sliding sub-rod spring button 77 is provided on the sliding sub-rod 71, and a plurality of main fixing rod holes 75 are provided on the fixing rod 7; the sliding sub-rod spring button 77 and the corresponding main fixing rod holes 75 can be fitted with each other, so as to facilitate adjustment of the relative positions of the sliding sub-rod 71 and the fixing rod 7, thereby realizing height adjustment of the fixing device on the outer side of the side wall; template fixing steel sheets 72 are provided on the inner side of the upper part of the fixing rod 7 and the inner side of the lower part of the sliding sub-rod 71, and screw holes are evenly distributed on the template fixing steel sheets 72, and cross screws 76 are installed on the screw holes; so that the cross screws 76 are tightly fitted with the corresponding small channel templates 5; a fixing cone 78 is provided at the bottom of the sliding sub-rod 71, so that the lower part of the fixing device on the outer side of the side wall is directly embedded in the foundation, which is used to control the verticality of the fixing device on the outer side of the side wall.

[0048] The fourth embodiment of the present invention is substantially the same as the first embodiment, mainly in that the inner side fixing device of the side wall comprises a rotating fixing rod 8, a sliding auxiliary rod 81 is sleeved on the lower part of the rotating fixing rod 8, and the sliding auxiliary rod 81 can slide freely along the direction of the rotating fixing rod 8;

[0049] A rotating and fixing rod side hinge ring 83 is arranged on the top of the rotating and fixing rod 8 , and the rotating and fixing rod side hinge ring 83 is hingedly matched with the corresponding support beam hinge shaft 35 on the support system to realize the free rotation of the rotating and fixing rod 8 .

[0050] Furthermore, a sliding sub-rod spring button 87 is provided on the sliding sub-rod 81, and a plurality of rotating fixing rod holes 86 are provided on the rotating fixing rod 8; the sliding sub-rod spring button 87 can be interlocked with the rotating fixing rod hole 86, so as to facilitate adjustment of the relative position of the sliding sub-rod 81 and the rotating fixing rod 8, thereby realizing height adjustment of the fixing device on the inner side of the side wall.

[0051] Furthermore, a template fixing steel sheet 84 is provided on the outer side of the upper part of the rotating fixing rod 8 and the outer side of the lower part of the sliding auxiliary rod 81, and screw holes are evenly distributed on the template fixing steel sheet 84, and only a cross screw 85 is provided on the corresponding screw hole; so that the cross screw 85 is tightly matched with the corresponding small channel template 5; a fixing cone 88 is provided at the bottom of the sliding auxiliary rod 81, so that the lower part of the fixing device on the outer side of the side wall is directly embedded in the foundation, which is used to control the stability of the fixing device on the inner side of the side wall.

[0052] Furthermore, a threaded hole 92 is provided on the top end surface of the hinge shaft slider 9, and a side wall inner side locking bolt 2 is sleeved on the threaded hole 92. By tightening the side wall inner side locking bolt 2, the side wall inner side locking bolt 2 clamps the support beam 3 of the support system, thereby achieving the position fixation of the side wall inner side locking bolt 2;

[0053] An oblique support hydraulic system is provided between the rotating fixed rod 8 and the support beam 3 of the support system;

[0054] The oblique support hydraulic system includes a hydraulic pipe 6 and a hydraulic arm 61 coaxial with the hydraulic pipe 6; a hydraulic pipe side hinge ring 63 is provided at the end of the hydraulic pipe 6, and a hydraulic arm side hinge ring 62 is provided at the end of the hydraulic arm 61;

[0055] A support beam hinge shaft 35 is provided on the lower side of the support beam 3 corresponding to the position of the hydraulic pipe side hinge ring 63, and the hydraulic pipe side hinge ring 63 and the support beam hinge shaft 35 are hingedly matched;

[0056] A rotating and fixing rod hinge shaft 82 is provided on the inner side of the lower part of the rotating and fixing rod 8 corresponding to the position of the hydraulic arm side hinge ring 62 , and the hydraulic arm side hinge ring 62 and the rotating and fixing rod hinge shaft 82 are hingedly matched.

[0057] The fifth embodiment of the utility model is combined with the above-mentioned embodiments, including multiple rows of channel formwork support frames parallel to each other. Taking a single side as an example, a slide groove 31 is arranged at the front end of the support beam 3, which is the sliding track of the hinge axis slider 9 and the polygonal slider 74. The front end of the slide groove 31 is fixedly connected with an extrusion block 32 through a hinge 11 and a lock 10. First, open the lock 10, embed the hinge axis slider 9 and the polygonal slider 74 into the slide groove 31, and determine the spacing between the hinge axis slider 9 and the polygonal slider 74 according to the designed thickness of the small channel side wall. Use the locking bolts on the outside of the side outer wall to screw them into the threaded holes respectively, and perform the first step of tightening, while also playing an anti-falling effect.

[0058] Furthermore, the extrusion bolt 34 is installed in the extrusion thread groove 33, and the screw extrusion bolt 34 is screwed in, with the top thereof resting against the edge of the polygonal slider 74 and tightened, which serves as the second tightening step.

[0059] The rotating fixed rod side hinge ring 83 at the top of the rotating fixed rod 8 and the hinge shaft 91 at the bottom of the hinge shaft slider 9 are connected to each other by using a hinge structure.

[0060] Furthermore, the hinge structure is also used to connect the rotating fixed rod hinge shaft 82 on the rotating fixed rod 8 and the hydraulic arm side hinge ring 62 at the lower end of the hydraulic arm 61 to each other.

[0061] Furthermore, the support beam hinge shaft 35 at the lower end of the support beam 3 and the hydraulic pipe side hinge ring 63 at the upper end of the hydraulic pipe 6 are connected to each other by using the hinge structure.

[0062] Further, according to the design drawing angle, the slope angle of the inner wall of the small channel side wall is determined, and the hydraulic arm 61 is extended or shortened to determine the appropriate length to meet the design slope requirements. Because it is a hydraulic system, it can resist the lateral pressure generated by the deadweight of the concrete and prevent the formwork from deforming during the pouring process.

[0063] According to the designed side wall height, the sliding auxiliary rod is telescopically extended to the designed height, and the sliding auxiliary rod spring button is locked in the main fixing rod hole 75 and the rotating fixing rod hole 86.

[0064] Furthermore, the fixing cone at the bottom of the telescopic sliding auxiliary rod facilitates the lower part of the fixing device on the outer side of the side wall to be directly embedded in the foundation, thereby controlling the stability of the fixing device on the inner side of the side wall.

[0065] Furthermore, the template 5 is fixed by using a template fixing steel sheet and a cross screw.

[0066] The main telescopic tube 4 and the spiral telescopic arm 41 are coaxial and connected by internal thread matching, so that the length of the telescopic top rod system can be adjusted. The outer ends of the main telescopic tube 4 and the spiral telescopic arm 41 are arranged with a clamping structure, which is used to tighten the two sides of the corresponding small channel template 5 to prevent the template from deforming during the concrete pouring process.

[0067] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A telescopic small channel formwork support frame system with variable angle, characterized in that: It includes multiple rows of channel formwork support frames parallel to each other; The channel formwork support frame includes a support system and side wall outer side fixing devices located on both sides of the support system, and side wall inner side fixing devices are correspondingly arranged on the inner side of the side wall outer side fixing devices; The top of the side wall inner side fixing device is connected to the support system in a hinged manner; the side wall inner side fixing device cooperates with the corresponding wall outer side fixing device to support and position the corresponding small channel template (5).

2. The variable angle telescopic small channel formwork support frame system according to claim 1 is characterized by: The support system comprises a support beam (3); Slide grooves (31) are symmetrically arranged on both sides of the support beam (3); a polygonal sliding block (74) located on the top of the side wall outer side fixing device is embedded in the slide groove (31), and the polygonal sliding block (74) can move along the direction of the slide groove (31), so that the side wall outer side fixing device can adjust its relative position with the support system; The outer end of the slide groove (31) is fixedly connected to an extrusion block (32) through a hinge (11) and a lock buckle (10), and a penetrating extrusion threaded slot hole (33) is provided in the middle of the extrusion block (32); the threaded slot hole (33) is communicated with the corresponding slide groove (31), and an extrusion bolt (34) is provided in the extrusion threaded slot hole (33) and is connected to each other through threaded cooperation; the inner end of the extrusion bolt (34) and the corresponding polygonal slider (74) cooperate with each other to press against each other; A freely movable hinge shaft slider (9) is arranged in the slide groove (31), and a hinge shaft (91) is arranged at the lower part of the hinge shaft slider (9), so that the hinge ring (83) on the side of the rotating fixed rod located at the top of the fixing device on the inner side of the side wall cooperates with the corresponding hinge shaft (91) to form a hinge connection.

3. The variable angle telescopic small channel formwork support frame system according to claim 1 is characterized by: The side wall outer side fixing device comprises a fixing rod (7), a sliding auxiliary rod (71) is sleeved on the lower part of the fixing rod (7), and the sliding auxiliary rod (71) can slide freely along the direction of the fixing rod (7); A polygonal sliding block (74) is provided on the top of the fixing rod (7), and the polygonal sliding block (74) is embedded in a corresponding sliding groove (31) in the supporting system.

4. The variable angle telescopic small channel formwork support frame system according to claim 3 is characterized by: A threaded hole (73) is provided on the top end surface of the polygonal sliding block (74), and a side wall outer locking bolt (1) is sleeved on the threaded hole (73). By tightening the side wall outer locking bolt (1), the side wall outer locking bolt (1) clamps the support beam (3) on the support system, thereby achieving position fixation of the side wall outer fixing device.

5. The variable angle telescopic small channel formwork support frame system according to claim 3 is characterized by: A sliding auxiliary rod spring button (77) is provided on the sliding auxiliary rod (71), and a plurality of main fixing rod holes (75) are provided on the fixing rod (7); the sliding auxiliary rod spring button (77) and the corresponding main fixing rod holes (75) can be engaged with each other, so as to facilitate adjustment of the relative position of the sliding auxiliary rod (71) and the fixing rod (7), thereby realizing height adjustment of the side wall outer side fixing device; a template fixing steel sheet (72) is provided on the inner side of the upper part of the fixing rod (7) and the inner side of the lower part of the sliding auxiliary rod (71); screw holes are evenly distributed on the template fixing steel sheet (72), and cross screws (76) are installed on the screw holes; so that the cross screws (76) are tightly matched with the corresponding small channel template (5); a fixing cone (78) is provided at the bottom of the sliding auxiliary rod (71), so that the lower part of the side wall outer side fixing device is directly embedded in the foundation, so as to control the verticality of the side wall outer side fixing device.

6. The variable angle telescopic small channel formwork support frame system according to claim 1 is characterized by: The side wall inner side fixing device comprises a rotating fixing rod (8), a sliding auxiliary rod (81) is sleeved on the lower part of the rotating fixing rod (8), and the sliding auxiliary rod (81) can slide freely along the direction of the rotating fixing rod (8); A rotating fixing rod side hinge ring (83) is provided at the top of the rotating fixing rod (8), and the rotating fixing rod side hinge ring (83) is hingedly matched with a corresponding support beam hinge shaft (35) on the support system to achieve free rotation of the rotating fixing rod (8).

7. The variable angle telescopic small channel formwork support frame system according to claim 6 is characterized in that: A sliding sub-rod spring button (87) is provided on the sliding sub-rod (81), and a plurality of rotation fixing rod holes (86) are provided on the rotation fixing rod (8); the sliding sub-rod spring button (87) can be engaged with the rotation fixing rod holes (86) to facilitate adjustment of the relative position of the sliding sub-rod (81) and the rotation fixing rod (8), thereby achieving height adjustment of the fixing device on the inner side of the side wall.

8. The variable angle telescopic small channel formwork support frame system according to claim 6 is characterized by: A template fixing steel sheet (84) is provided on the outer side of the upper part of the rotating fixing rod (8) and the outer side of the lower part of the sliding auxiliary rod (81), and screw holes are evenly distributed on the template fixing steel sheet (84), and only a cross screw (85) is provided on the corresponding screw hole, so that the cross screw (85) is tightly matched with the corresponding small channel template (5); a fixing cone (88) is provided at the bottom of the sliding auxiliary rod (81), so that the lower part of the fixing device on the outer side of the side wall is directly embedded in the foundation, so as to control the stability of the fixing device on the inner side of the side wall; An oblique support hydraulic system is provided between the rotating fixed rod (8) and the support beam (3) of the support system; The oblique support hydraulic system comprises a hydraulic pipe (6) and a hydraulic arm (61) coaxial with the hydraulic pipe (6); a hydraulic pipe side hinge ring (63) is provided at the end of the hydraulic pipe (6), and a hydraulic arm side hinge ring (62) is provided at the end of the hydraulic arm (61); A support beam hinge shaft (35) is provided on the lower side of the support beam (3) corresponding to the position of the hydraulic pipe side hinge ring (63), and the hydraulic pipe side hinge ring (63) and the support beam hinge shaft (35) are hingedly matched; A rotating fixed rod hinge shaft (82) is provided on the inner side of the lower portion of the rotating fixed rod (8) corresponding to the position of the hydraulic arm side hinge ring (62), and the hydraulic arm side hinge ring (62) and the rotating fixed rod hinge shaft (82) are hingedly matched.

9. The variable angle telescopic small channel formwork support frame system according to claim 2, characterized in that: A threaded hole (92) is provided on the top end surface of the hinge shaft slider (9), and a side wall inner side locking bolt (2) is sleeved on the threaded hole (92). By tightening the side wall inner side locking bolt (2), the side wall inner side locking bolt (2) is clamped to the support beam (3) of the support system, thereby achieving the position fixation of the side wall inner side locking bolt (2).

10. The variable angle telescopic small channel formwork support frame system according to claim 1, characterized in that: A telescopic jack system is placed on the small channel templates (5) between adjacent rows of channel template support frames; The telescopic push rod system comprises a main telescopic tube (4) and a spiral telescopic arm (41); the main telescopic tube (4) and the spiral telescopic arm (41) are coaxial and connected by means of internal thread matching, so that the length of the telescopic push rod system can be adjusted; the outer ends of the main telescopic tube (4) and the spiral telescopic arm (41) are evenly provided with a clamping structure, and the clamping structure is clamped to a corresponding small channel template (5).

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