Formwork supporting frame and foundation pit concrete structure

Abstract

The utility model provides a template support frame and a foundation pit concrete structure, comprising a main frame body placed at the bottom of a foundation pit; one end of the diagonal draw bar is rotationally connected with the main frame body; one end of the supporting inclined rod is rotationally connected with the main frame body, and the supporting inclined rod is arranged at the other end of the inclined pull rod in a penetrating mode and is in sliding connection with the other end of the inclined pull rod; wherein the top end of the main frame body is used for supporting a wood square column and a template which is arranged on the wood square column and used for pouring concrete at the end part of a foundation connection beam, and the rotating angle of the supporting inclined rod can be adjusted by telescopically adjusting the length of the inclined pull rod, so that the other end of the supporting inclined rod is attached to the wood square column. The main frame body is arranged and serves as a main supporting foundation to support the formwork, arranged on the wood square column, of the wood square column, and the supporting inclined rods are arranged and serve as auxiliary supporting foundations to support the formwork, arranged on the wood square column, of the wood square column. In this way, the function of bi-directionally supporting the wood brace and the formwork arranged on the wood brace is achieved through the main frame body and the supporting inclined rods.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a template support frame and a foundation pit concrete structure. Background Art

[0002] In the current foundation structure construction drawing design, the foundation connection beam is mostly used to bear the upper wall and other vertical loads, and is also used to tie between the caps to reduce the uneven settlement between the pile foundations. Since the end of the foundation connection beam is mostly suspended at a height of 2-3m, it is lower than the ground structure beam and is scattered. Therefore, on-site construction often uses a single wooden beam or steel pipe as a simple support frame. The cap foundation pit is excavated at a conventional 1:1 ratio. The horizontal suspension length can reach 4 to 6m. The suspended section is long, which is prone to template settlement during pouring.

[0003] That is to say, in the prior art, when pouring concrete at the end of the foundation connection beam, the pouring formwork has the problem of settlement. Utility Model Content

[0004] The utility model provides a template support frame and a foundation pit concrete structure to solve the above technical problems, and solves the settlement problem of the template used for pouring the foundation connection beam.

[0005] The utility model provides a template support frame, comprising: a main frame body, which is placed at the bottom of a foundation pit; and

[0006] A diagonal tie rod, one end of which is rotatably connected to the main frame; and

[0007] A supporting diagonal rod, one end of which is rotatably connected to the main frame, and the supporting diagonal rod is passed through the other end of the diagonal tie rod and is slidably connected to the other end of the diagonal tie rod;

[0008] Among them, the top of the main frame is used to support the wooden beam and the formwork set on the wooden beam for pouring concrete at the end of the foundation connecting beam. By adjusting the length of the diagonal rod through telescopic adjustment, the rotation angle of the supporting diagonal rod can be adjusted so that the other end of the supporting diagonal rod fits with the wooden beam.

[0009] In one embodiment, the main frame includes: two pads, which are spaced apart along a first direction; and

[0010] A plurality of vertical poles are divided into two groups and are respectively inserted on the two pads along the second direction, and each group of vertical poles includes a plurality of vertical poles spaced apart along the third direction; and

[0011] A plurality of ring beam members are arranged on the outer periphery of the plurality of vertical poles, and the plurality of ring beam members are arranged at intervals along the second direction;

[0012] Among them, one end of the inclined tie rod is rotatably connected to the topmost ring beam member among the multiple ring beam members, and one end of the supporting inclined rod is rotatably connected to any other ring beam member.

[0013] In one embodiment, the ring beam member comprises:

[0014] A plurality of horizontal bars are arranged around the outer circumference of the plurality of vertical bars;

[0015] The fastener is arranged at the connection between two adjacent cross bars and is used to fix the multiple cross bars on the outer periphery of the multiple vertical bars 14).

[0016] In one embodiment, the number of the plurality of vertical poles is four and they are distributed in a square shape, and the ring beam member includes four cross bars which are fixed on the outer periphery of the four vertical poles in a "well" shape.

[0017] In one embodiment, the inclined tie rod comprises:

[0018] A first inclined pull ring is sleeved on the uppermost ring beam member among the plurality of ring beam members; and

[0019] A first telescopic rod, one end of which is connected to the first inclined pull ring, and a first external thread is provided on the outer circumference of the first telescopic rod; and

[0020] A sleeve, one end of which is provided with a first internal thread matching the first external thread; and

[0021] A second oblique pull ring is sleeved on the other end of the supporting oblique rod; and

[0022] A second telescopic rod, one end of which is connected to the second inclined pull ring, the other end of the second telescopic rod is provided with a second external thread, and the other end of the sleeve is provided with a second internal thread matching the second external thread;

[0023] The first internal thread and the second internal thread have opposite rotation directions, and the length of the diagonal tie rod can be adjusted by rotating the sleeve.

[0024] In one embodiment, the supporting diagonal rod comprises:

[0025] a support ring, which is rotatably connected to any other ring beam member among the plurality of ring beam members except the ring beam member located at the top; and

[0026] A telescopic cylinder, one end of which is connected to the support ring; and

[0027] a threaded rod, one end of which is threadedly connected to the other end of the telescopic cylinder; and

[0028] A support plate is arranged on the other end of the threaded rod, and a horizontal fitting surface is arranged on the support plate, and the horizontal fitting surface is used to fit with the wooden beam;

[0029] The overall length of the supporting diagonal rod can be adjusted by screwing the threaded rod.

[0030] In one embodiment, the supporting diagonal rod includes a plurality of spacer blocks, which are evenly spaced along the axial direction of the telescopic cylinder. At the other end of the diagonal rod, a second diagonal pull ring is arranged between two adjacent spacer blocks among the plurality of spacer blocks.

[0031] In one embodiment, the partition block is an arc-shaped plate welded to the outer peripheral wall of the telescopic cylinder.

[0032] In one embodiment, a groove is provided in the support ring, the groove is matched with the ring beam member, and the ring beam member is located in the groove and can rotate in the groove.

[0033] The utility model also provides a foundation pit concrete structure, which includes:

[0034] A cup-shaped cap cushion layer, which is arranged at the bottom of the foundation pit; and

[0035] A cup mouth support, which is arranged on the cup mouth support cushion layer; and

[0036] A foundation tie beam cushion layer, which is arranged on the top of the foundation pit; and

[0037] A foundation connecting beam, one end of which is connected to the top outer side wall of the cup-shaped cap, and the other end of which is arranged on the foundation connecting beam cushion layer; and

[0038] a formwork disposed at the bottom of the foundation tie beam; and

[0039] A wooden beam is set at the bottom of the formwork; and

[0040] The above-mentioned formwork support frame is arranged on the bottom of the foundation pit, and its top is in contact with the formwork, and is used to support the wooden beams.

[0041] Compared with the prior art, the utility model has the following beneficial effects: a main frame is provided, which is used as the main support foundation to support the wooden beam and the template for pouring concrete on the end of the foundation connecting beam, and a supporting diagonal rod is provided, which is used as the auxiliary support foundation to support the wooden beam and the template for pouring concrete on the end of the foundation connecting beam. In this way, the main frame and the supporting diagonal rod realize the bidirectional support function of the wooden beam and the template set on the wooden beam. This prevents the template from settling when pouring concrete at the end of the foundation connecting beam. This ensures the molding quality of the concrete at the end of the foundation connecting beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 This is a schematic diagram of the three-dimensional structure of the template support frame in the first embodiment of the utility model;

[0043] Figure 2 for Figure 1 Exploded view of the middle support diagonal rod;

[0044] Figure 3 for Figure 1 Exploded view of the middle diagonal brace;

[0045] Figure 4 This is a schematic diagram of the three-dimensional structure of the template support frame in the second embodiment of the utility model;

[0046] Figure 5 It is a three-dimensional structural schematic diagram of the foundation pit concrete structure in the first embodiment of the utility model.

[0047] In the figure: 10, main frame; 11, pad; 12, longitudinal rod; 13, cross rod; 14, vertical rod; 15, fastener; 16, vertical rod of the disc-shaped frame; 17, longitudinal rod of the disc-shaped frame; 18, cross rod of the disc-shaped frame; 20, supporting diagonal rod; 21, supporting ring; 22, telescopic cylinder; 23, threaded rod; 24, supporting plate; 25, partition block; 30, diagonal rod; 31, first diagonal pull ring; 32, first telescopic rod; 33, sleeve; 34, second telescopic rod; 35, second diagonal pull ring; 40, wooden beam; 50, formwork; 100, cup-mouth pedestal; 200, cup-mouth pedestal cushion layer; 300, foundation connecting beam cushion layer; 400, foundation connecting beam; 500, foundation pit. DETAILED DESCRIPTION

[0048] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] Embodiment 1

[0050] like Figures 1 to 3 As shown, the utility model provides a formwork support frame, which is used for pouring concrete at the end of the foundation connecting beam, and includes a main frame 10, a diagonal brace 30 and a supporting diagonal bar 20. The main frame 10 is placed at the bottom of the foundation pit 500; the diagonal brace 30 is rotatably connected to the main frame 10 at one end; the supporting diagonal bar 20 is rotatably connected to the main frame 10 at one end, and the supporting diagonal bar 20 is penetrated on the other end of the diagonal brace 30 and is slidably connected to the other end of the diagonal brace 30; the top end of the main frame 10 is used to support the wooden beam 40 and the formwork 50 for pouring concrete at the end of the foundation connecting beam arranged on the wooden beam 40, and the rotation angle of the supporting diagonal bar 20 can be adjusted by adjusting the length of the diagonal brace 30 by telescopic adjustment, so that the other end of the supporting diagonal bar 20 fits with the wooden beam 40.

[0051] In the above configuration, a main frame 10 is provided to support the wooden beam 40 and the formwork 50 for pouring concrete at the end of the foundation connecting beam arranged on the wooden beam 40 as the main support foundation, and a supporting diagonal rod 20 is provided to support the wooden beam 40 and the formwork 50 for pouring concrete at the end of the foundation connecting beam arranged on the wooden beam 40 as the auxiliary support foundation. In this way, the main frame 10 and the supporting diagonal rod 20 realize the bidirectional support function of the wooden beam 40 and the formwork 50 arranged on the wooden beam 40. This prevents the formwork 50 from settling when pouring concrete at the end of the foundation connecting beam. This ensures the molding quality of the concrete at the end of the foundation connecting beam.

[0052] Specifically, Figures 1 to 3 As shown, in one embodiment, the main frame 10 includes two pads 11, a plurality of vertical rods 14 and a plurality of ring beam members. The two pads 11 are arranged at intervals along the first direction; the plurality of vertical rods 14 are divided into two groups and are respectively inserted on the two pads 11 along the second direction, and each group of vertical rods 14 includes a plurality of vertical rods 14 arranged at intervals along the third direction; a plurality of ring beam members are arranged on the outer periphery of the plurality of vertical rods 14, and the plurality of ring beam members are arranged at intervals along the second direction; one end of the inclined rod 30 is rotatably connected to the topmost ring beam member among the plurality of ring beam members, and one end of the supporting inclined rod 20 is rotatably connected to any other ring beam member.

[0053] Specifically, Figures 1 to 3 As shown, in one embodiment, the ring beam member includes a plurality of cross bars 13 and fasteners 15. The plurality of cross bars 13 are arranged around the outer periphery of the plurality of vertical bars 14; the fasteners 15 are arranged at the connection between two adjacent cross bars 13, and are used to fix the plurality of cross bars 13 on the outer periphery of the plurality of vertical bars 14.

[0054] Specifically, Figures 1 to 3 As shown, in one embodiment, the number of the plurality of vertical poles 14 is four and they are distributed in a square shape, and the ring beam member includes four cross bars 13 which are fixed on the outer periphery of the four vertical poles 14 in a “well” shape.

[0055] Specifically, Figures 1 to 3As shown, in one embodiment, the inclined tie rod 30 includes a first inclined tie ring 31, a first telescopic rod 32, a sleeve 33, a second inclined tie ring 35 and a second telescopic rod 34. The first inclined tie ring 31 is sleeved on the topmost ring beam member among the plurality of ring beam members; the first telescopic rod 32 is connected to the first inclined tie ring 31 at one end, and a first external thread is arranged on the outer periphery of the first telescopic rod 32; the sleeve 33 is provided with a first internal thread matching the first external thread at one end; the second inclined tie ring 35 is sleeved on the other end of the supporting inclined rod 20; the second telescopic rod 34 is connected to the second inclined tie ring 35 at one end, and a second external thread is arranged on the other end of the second telescopic rod 34, and a second internal thread matching the second external thread is arranged in the other end of the sleeve 33; wherein the first internal thread and the second internal thread have opposite rotation directions, and the length of the inclined tie rod 30 can be adjusted by rotating the sleeve 33.

[0056] Specifically, Figures 1 to 3 As shown, in one embodiment, the support diagonal rod 20 includes: a support ring 21, a telescopic cylinder 22, a threaded rod 23 and a support plate 24. The support ring 21 is rotatably connected to any of the ring beam members except the ring beam member located at the top among the plurality of ring beam members; the telescopic cylinder 22 is connected to the support ring 21 at one end; the threaded rod 23 is threadedly connected to the other end of the telescopic cylinder 22 at one end; and the support plate 24 is arranged on the other end of the threaded rod 23, and a horizontal fitting surface is arranged on the support plate 24, and the horizontal fitting surface is used to fit with the wooden beam 40; wherein, the overall length of the support diagonal rod 20 can be adjusted by screwing the threaded rod 23.

[0057] Specifically, Figures 1 to 3 As shown, in one embodiment, the supporting diagonal rod 20 includes a plurality of spacer blocks 25, and the plurality of spacer blocks 25 are evenly spaced along the axial direction of the telescopic cylinder 22. At the other end of the diagonal pull rod 30, a second diagonal pull ring 35 is arranged between two adjacent spacer blocks 25 among the plurality of spacer blocks 25.

[0058] Specifically, Figures 1 to 3 As shown, in one embodiment, the partition block 25 is an arc-shaped plate, which is welded to the outer peripheral wall of the telescopic cylinder 22 .

[0059] Specifically, Figures 1 to 3 As shown, in one embodiment, a groove is provided in the support ring 21, the groove is matched with the ring beam member, the ring beam member is located in the groove, and can rotate in the groove.

[0060] like Figure 5As shown, the present application also provides a foundation pit concrete structure, which includes a cup-mouth cap cushion layer 200, a cup-mouth cap 100, a foundation connecting beam cushion layer 300, a foundation connecting beam 400, a template 50, a wood beam 40, and a template support frame. Among them, the cup-mouth cap cushion layer 200 is arranged at the bottom of the foundation pit 500; the cup-mouth cap 100 is arranged on the cup-mouth cap cushion layer 200; the foundation connecting beam cushion layer 300 is arranged at the top of the foundation pit 500; the foundation connecting beam 400, one end of which is connected to the top outer wall of the cup-mouth cap 100, and the other end of the foundation connecting beam 400 is arranged on the foundation connecting beam cushion layer 300; the template 50 is arranged at the bottom of the foundation connecting beam 400; the wood beam 40 is arranged at the bottom of the template 50; the template support frame is arranged at the bottom of the foundation pit 500, and its top is in contact with the template 50, and is used to support the wood beam 40.

[0061] Combine the following Figures 1 to 3 , the utility model also provides a more specific embodiment:

[0062] The formwork support frame includes a main frame body 10, a supporting diagonal rod 20, and a diagonal tie rod 30. The main frame body 10 is provided with a pad 11, a longitudinal rod 12, a transverse rod 13, a vertical rod 14, and a fastener 15. The supporting diagonal rod 20 is provided with a supporting ring 21, a telescopic cylinder 22, a threaded rod 23, a supporting plate 24, and a partition block 25. The diagonal tie rod 30 is provided with a first diagonal tie ring 31, a first telescopic rod 32, a sleeve 33, a second telescopic rod 34, and a second diagonal tie ring 35.

[0063] Specifically, a pad 11 is provided at the bottom of the main frame 10 , and the pad 11 should span across two vertical poles 14 to prevent the vertical poles 14 from unevenly settling.

[0064] Specifically, the vertical rod 14 is placed at the upper center of the pad 11 to prevent the pad 11 from being subjected to eccentric force and affecting stability.

[0065] Specifically, the longitudinal rod 12 , the cross rod 13 , and the vertical rod 14 are connected together by fasteners 15 . The first longitudinal rod 12 is fixed by the fasteners 15 at a distance no greater than 200 mm from the bottom end of the vertical rod 14 . The first cross rod 13 is fixed by the fasteners 15 close to the lower part of the first longitudinal rod 12 .

[0066] Specifically, the support ring 21 has a rectangular cross-section and a semicircular shape as a whole. Its inner diameter is slightly larger than the cross bar 13 and its width is slightly larger than the outer diameter of the cross bar 13 to ensure that the support ring 21 fits tightly with the cross bar 13. At the same time, the support ring 21 and the telescopic cylinder 22 are welded together and both can rotate freely around the cross bar 13.

[0067] Specifically, the inner wall of the telescopic cylinder 22 is provided with threads, and an appropriate number of partition blocks 25 are evenly distributed on the outer wall of the telescopic cylinder 22. The telescopic cylinder 22 and the partition blocks 25 are welded as a whole. The inclined rod 30 can place the second inclined pull ring 35 between the partition blocks 25 at different positions according to the angle requirements to achieve angle adjustment.

[0068] It should be noted that the role and function of the partition block 25 is that when the second oblique pull ring 35 is sleeved on the supporting oblique rod 20, it is easy to slide. After the partition block 25 is set, it can play the function of fixing the second oblique pull ring 35.

[0069] How to achieve angle adjustment specifically: when the second inclined pull ring 35 is sleeved between the partition blocks 25 on the lower left, the horizontal angle of the supporting diagonal rod 20 will become larger; when the second inclined pull ring 35 is sleeved between the partition blocks 25 on the upper right, the horizontal angle of the supporting diagonal rod 20 will become smaller.

[0070] Specifically, the outer diameter of the threaded rod 23 is equal to the inner diameter of the telescopic tube 22, and the outer wall of the threaded rod 23 is provided with threads. The threaded rod 23 can be screwed out of or screwed into the telescopic tube 22 as needed to achieve adjustable length.

[0071] Specifically, the cross-sectional shape of the support plate 24 is rectangular, and the support plate 24 and the threaded rod 23 are welded as a whole. During the screwing process of the threaded rod 23, the support plate 24 should be 150 to 200 mm away from the end of the cushion layer of the foundation connecting beam 400, and the support plate 24 should be kept in a horizontal state to achieve fit with the lower surface of the wooden beam 40 to provide supporting force.

[0072] Specifically, the first inclined pull ring 31 has a rectangular cross-section and a circular shape as a whole. The inner diameter of the first inclined pull ring 31 is slightly larger than the outer diameter of the cross bar 13. The first inclined pull ring 31 and the first telescopic rod 32 are welded together and can rotate around the cross bar 13 to achieve adjustable angle.

[0073] Specifically, the cross-sectional shape of the second oblique pull ring 35 is circular. The second oblique pull ring 35 consists of a straight segment portion and an arc segment portion. The length of the straight segment portion is in the range of 15 to 20 cm. The inner diameter of the arc segment portion is larger than the sum of the outer diameter of the telescopic tube 22 and twice the thickness of the partition block 25. The second oblique pull ring 35 is welded to the second telescopic rod 34 as a whole. The second oblique pull ring 35 can be placed between the partition blocks 25 at different positions to achieve adjustable angle of the supporting oblique rod 20.

[0074] It should be noted that when the second inclined pull ring 35 is sleeved between the partition blocks 25 on the lower left, the horizontal angle of the supporting diagonal rod 20 will become larger; when the second inclined pull ring 35 is sleeved between the partition blocks 25 on the upper right, the horizontal angle of the supporting diagonal rod 20 will become smaller.

[0075] Specifically, the inner diameter of the sleeve 33 is the same as the outer diameter of the first telescopic rod 32 and the second telescopic rod 34, and the upper and lower parts of the inner wall of the sleeve 33 are provided with threads in opposite directions.

[0076] Specifically, the inner diameter of the sleeve 33 is the same as the outer diameter of the first telescopic rod 32 and the second telescopic rod 34 , and the upper and lower inner walls of the sleeve 33 are provided with threads in opposite directions. Rotating the sleeve 33 can lengthen and shorten the length of the diagonal rod 30 , thereby controlling the angle of the supporting diagonal rod 20 .

[0077] Embodiment 2

[0078] like Figure 4 As shown, the utility model also provides another embodiment, the main frame 10 can be selected according to the material reserve situation at the construction site. When the disc-type is selected, the end of the disc-type frame cross bar 18 is pre-installed with a matching pin, so the end of the disc-type frame cross bar 18 is larger. The inner diameter of the first inclined pull ring 31 should increase with the increase of the end size of the disc-type frame cross bar 18 to ensure that the disc-type frame cross bar 18 is smoothly inserted.

[0079] It should be noted that the rest of the present embodiment is the same as that described in Embodiment 1. The connection method of the buckle frame vertical rod 16, the buckle frame longitudinal rod 17 and the buckle frame cross rod 18 is a conventional technical means in the art.

[0080] The present application also provides a method for pouring concrete at the end of a foundation connecting beam, the method using the above-mentioned formwork support frame, comprising the following steps:

[0081] The first step is to excavate the foundation pit to the shape shown in the drawing according to the design drawings, foundation pit soil quality, and pedestal height to ensure that the soil is flat, compacted, and free of water.

[0082] The second step is to pour the cup-shaped pedestal cushion layer and the foundation connecting beam cushion layer, among which the foundation connecting beam cushion layer can be poured to the top of the foundation pit slope.

[0083] The third step is to tie the cup-shaped pedestal reinforcement.

[0084] The fourth step is to erect the main frame. During the erection process, the diagonal rods are simultaneously inserted into the topmost horizontal bars.

[0085] The fifth step is to place the supporting diagonal rods on horizontal bars at different heights according to the depth of the foundation pit and the slope of the foundation pit side.

[0086] The sixth step is to lay the wooden beams and formwork, and at the same time, through adjustment measures such as screwing the sleeve, screwing the threaded rod, and placing the second inclined pull ring between the partition blocks in different positions, the upper surface of the support plate and the lower surface of the wooden beam can be fitted together.

[0087] The seventh step is to pour concrete at the cup-shaped pedestal and foundation connecting beam, and maintain it in accordance with regulations.

[0088] The utility model provides a formwork support frame for pouring concrete at the end of a foundation connecting beam, which can solve the problem of insufficient bearing capacity of the support frame during the pouring of the foundation connecting beam 400 and the problem of a long horizontal suspended section to ensure the concrete molding quality at the end of the foundation connecting beam.

[0089] In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0090] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as "up", "down", "left", "right", "front" and "back" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the present invention.

[0091] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0092] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A formwork support frame, characterized in that: The formwork support frame is used for pouring concrete at the end of the foundation connecting beam, and comprises: A main frame, which is placed at the bottom of the foundation pit; and A diagonal tie rod, one end of which is rotatably connected to the main frame; and A supporting diagonal rod, one end of which is rotatably connected to the main frame, and the supporting diagonal rod is passed through the other end of the diagonal tie rod and is slidably connected to the other end of the diagonal tie rod; Among them, the top end of the main frame is used to support the wooden beam and the formwork set on the wooden beam for pouring concrete at the end of the foundation connecting beam. By adjusting the length of the diagonal rod through telescopic adjustment, the rotation angle of the supporting diagonal rod can be adjusted so that the other end of the supporting diagonal rod fits with the wooden beam.

2. The formwork support frame according to claim 1, characterized in that: The main frame includes: two pads, which are spaced apart along a first direction; and A plurality of vertical poles are divided into two groups and are respectively inserted on the two pads along the second direction, and each group of vertical poles includes a plurality of vertical poles spaced apart along the third direction; and A plurality of ring beam members are arranged on the outer periphery of the plurality of vertical poles, and the plurality of ring beam members are arranged at intervals along the second direction; Among them, one end of the inclined tie rod is rotatably connected to the ring beam member located at the top among the multiple ring beam members, and one end of the supporting inclined rod is rotatably connected to any other ring beam member.

3. The formwork support frame according to claim 2, characterized in that: The ring beam member comprises: A plurality of cross bars, which are arranged around the outer circumference of the plurality of vertical bars; A fastener is arranged at the connection between two adjacent cross bars and is used to fix the multiple cross bars on the outer periphery of the multiple vertical bars.

4. The formwork support frame according to claim 3, characterized in that: The number of the plurality of vertical poles is four and they are distributed in a square shape. The ring beam member includes four cross bars which are fixed on the outer periphery of the four vertical poles in a "well" shape.

5. The formwork support frame according to claim 2, characterized in that: The inclined tie rod comprises: A first oblique pull ring, which is sleeved on the uppermost ring beam member among the plurality of ring beam members; and A first telescopic rod, one end of which is connected to the first inclined pull ring, and a first external thread is provided on the outer circumference of the first telescopic rod; and A sleeve, one end of which is provided with a first internal thread matching the first external thread; and A second oblique pull ring, which is sleeved on the other end of the supporting oblique rod; and A second telescopic rod, one end of which is connected to the second inclined pull ring, the other end of the second telescopic rod is provided with a second external thread, and the other end of the sleeve is provided with a second internal thread matching the second external thread; The first internal thread and the second internal thread have opposite rotation directions, and the length of the inclined rod can be adjusted by rotating the sleeve.

6. The formwork support frame according to claim 5, characterized in that: The supporting diagonal rod comprises: a support ring, which is rotatably connected to any other ring beam member among the plurality of ring beam members except the ring beam member located at the top; and a telescopic cylinder, one end of which is connected to the support ring; and a threaded rod, one end of which is threadedly connected to the other end of the telescopic cylinder; and A support plate, which is arranged on the other end of the threaded rod, and the support plate is provided with a horizontal fitting surface, and the horizontal fitting surface is used to fit with the wooden beam; The overall length of the supporting diagonal rod can be adjusted by screwing the threaded rod.

7. The formwork support frame according to claim 6, characterized in that: The supporting diagonal rod comprises a plurality of spacer blocks, and the plurality of spacer blocks are evenly spaced along the axial direction of the telescopic cylinder. The second diagonal pull ring at the other end of the diagonal pull rod is arranged between two adjacent spacer blocks among the plurality of spacer blocks.

8. The formwork support frame according to claim 7, characterized in that: The partition block is an arc-shaped plate, which is welded to the outer peripheral wall of the telescopic cylinder.

9. The formwork support frame according to claim 6, characterized in that: A groove is arranged in the support ring, and the groove is matched with the ring beam rod. The ring beam rod is located in the groove and can rotate in the groove.

10. A foundation pit concrete structure, characterized in that: It includes: The cup-shaped cap cushion layer is arranged at the bottom of the foundation pit; as well as A cup mouth support platform, which is arranged on the cup mouth support platform cushion layer; as well as A foundation connecting beam cushion layer, which is arranged on the top of the foundation pit; and A foundation connecting beam, one end of which is connected to the top outer side wall of the cup-shaped support, and the other end of the foundation connecting beam is arranged on the foundation connecting beam cushion layer; as well as A template, which is arranged at the bottom of the foundation connecting beam; as well as A wooden beam disposed at the bottom of the formwork; as well as The formwork support frame as described in any one of claims 1 to 9, wherein the formwork support frame is arranged on the bottom of the foundation pit, and the top of the formwork support frame is in contact with the formwork, so as to support the wooden beams.

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