Anti-deformation inner supporting device and system for steel casing

Abstract

The utility model discloses a steel casing anti-deformation inner supporting device and system, and relates to the technical field of bridge construction devices.The inner supporting device comprises a fixing support, a plurality of supporting rods and a plurality of adjusting rods, the supporting rods are arranged outside the fixing support in the circumferential direction, and the adjusting rods are arranged on the supporting rods. One end of each adjusting rod is correspondingly arranged in the corresponding supporting rod in a sleeved mode, the other end of each adjusting rod is used for abutting against the inner wall of the corresponding steel casing, and each adjusting rod can extend in the length direction of the corresponding supporting rod so that supporting can be formed in the steel casings with different diameters. According to the anti-deformation inner supporting device for the steel casing, the radial length of the inner supporting device is adjusted by adjusting the telescopic length of the adjusting rod in the supporting rod, so that the inner supporting device can support the interiors of the steel casings with different diameters, inner supporting devices of various sizes do not need to be manufactured, and the manufacturing cost is reduced. The use efficiency and the adaptability are improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction devices, in particular to a steel casing anti-deformation inner support device and system. Background Art

[0002] At present, in the field of bridge construction technology, due to the different diameters of different pile foundations, steel casings of different diameters are required to protect the bored piles during the process of manual bored piles. Due to the unstable soil, the construction of reinforced concrete retaining walls is very difficult, so steel retaining walls are used to protect the bored piles to prevent the collapse of the holes from affecting the construction progress and safety. The steel casing is a circular barrel with empty ends formed by iron sheets according to the size of the bored piles. However, after the large-diameter steel casing is formed, during the storage and transportation process, under the combined action of time and external forces, the steel casing is often deformed and damaged, causing the steel casing to fail to meet the specification requirements. Therefore, in order to avoid the deformation of the steel casing, an internal support device is added inside the steel casing.

[0003] In the prior art, different sizes of internal support devices are manufactured according to different diameters of steel casings. However, one size of internal support device cannot be applied to steel casings of different diameters, and multiple sizes of internal support devices need to be manufactured, resulting in low efficiency, poor adaptability, and high manufacturing cost of the internal support device. Utility Model Content

[0004] The embodiment of the utility model provides an anti-deformation internal support device and system for a steel casing to solve the technical problem in the related technology that an internal support device of one size cannot be suitable for steel casings of different diameters, and internal support devices of multiple sizes need to be manufactured, resulting in low efficiency, poor adaptability and high manufacturing cost of the internal support device.

[0005] In a first aspect, a steel casing anti-deformation internal support device is provided, comprising:

[0006] Fixed bracket;

[0007] department;

[0008] Multiple adjustment rods, one end of each adjustment rod is correspondingly sleeved in one of the support rods, and the other end is used to abut against the inner wall of the steel casing, and each of the adjustment rods can extend along the length direction of the corresponding support rod to form support in the steel casings of different diameters.

[0009] In some embodiments, each of the support rods is provided with a plurality of first adjustment holes at intervals, and a second adjustment hole is provided at the top end of each of the adjustment rods, and the second adjustment hole can overlap with each of the first adjustment holes.

[0010] In some embodiments, the number of the first adjustment holes is at least seven, and the interval between each of the first adjustment holes is at least ten centimeters.

[0011] In some embodiments, the number of the support rods is at least eight, and the number of the adjustment rods is also at least eight.

[0012] In some embodiments, the steel casing anti-deformation internal support device further comprises:

[0013] A plurality of jacking supports, one of the jacking supports is correspondingly arranged at one end of the adjusting rod against the inner wall of the steel casing, and the jacking support and the adjusting rod are connected by threads for adjusting the gap between the jacking support and the steel casing.

[0014] In some embodiments, the support is arc-shaped and matches the shape of the inner side surface of the steel casing.

[0015] In some embodiments, the surface of the support is provided with rubber.

[0016] In some embodiments, the steel casing anti-deformation internal support device further comprises:

[0017] A plurality of connecting rods, one of the connecting rods is arranged between two of the supporting rods and is used to fix the supporting rods.

[0018] In some embodiments, the fixing bracket, the plurality of supporting rods, the plurality of adjusting rods, the plurality of jacking supports and the plurality of connecting rods are all made of steel.

[0019] In a second aspect, a steel casing anti-deformation internal support system is provided, comprising the aforementioned steel casing anti-deformation internal support device.

[0020] The beneficial effects brought by the technical solution provided by the utility model include:

[0021] The embodiment of the utility model provides a steel casing deformation prevention internal support device and system, the internal support device includes: a fixed bracket, a plurality of support rods, and a plurality of adjustment rods, the plurality of support rods are arranged outside the fixed bracket along the circumferential direction, one end of an adjustment rod is correspondingly sleeved inside one of the support rods, and the other end is used to abut against the inner wall of the steel casing, and each of the adjustment rods can extend along the length direction of the corresponding support rod to form support inside the steel casings of different diameters. The steel casing deformation prevention internal support device of the utility model adjusts the radial length of the internal support device of the utility model by adjusting the telescopic length of the adjustment rod inside the support rod, so that it can form support inside the steel casings of different diameters, without the need to manufacture internal support devices of multiple sizes, thereby improving the use efficiency and adaptability and reducing the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 A schematic diagram of the structure of a steel casing anti-deformation internal support device provided in an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the structure of the support rod provided by an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of the structure of the adjustment rod provided in the embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the structure of the jacking support provided by an embodiment of the utility model;

[0027] Reference numerals:

[0028] 1. Fix the bracket;

[0029] 2. Support rod; 21. First adjustment hole;

[0030] 3. Adjustment rod; 31. Second adjustment hole;

[0031] 4. Top support;

[0032] 5. Connecting rod;

[0033] 6. Steel casing. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] The embodiment of the utility model provides an anti-deformation internal support device and system for steel casing, which can solve the technical problem in the prior art that an internal support device of one size cannot be suitable for steel casings of different diameters, and internal support devices of multiple sizes need to be manufactured, resulting in low efficiency, poor adaptability and high manufacturing cost of the internal support device.

[0036] Figure 1The utility model provides a steel casing anti-deformation internal support device, which comprises a fixed bracket 1, a plurality of support rods 2 and a plurality of adjustment rods 3.

[0037] Multiple support rods 2 are arranged outside the fixed bracket 1 along the circumferential direction, one end of an adjusting rod 3 is correspondingly sleeved in one of the support rods 2, and the other end is used to abut against the inner wall of the steel casing 6, and each of the adjusting rods 3 can extend along the length direction of the corresponding support rod 2 to form support in the steel casing 6 with different diameters.

[0038] The steel casing anti-deformation internal support device of the present invention is provided with a fixed bracket, a plurality of support rods and a plurality of adjusting rods. The plurality of support rods are arranged outside the fixed bracket along the circumferential direction. One end of an adjusting rod is correspondingly sleeved in one of the support rods, and the other end is used to abut against the inner wall of the steel casing. Each of the adjusting rods can extend along the length direction of the corresponding support rod to form support in steel casings of different diameters. According to the diameter of the steel casing to be supported, the radial length of the internal support device of the utility model is adjusted by adjusting the telescopic length of the adjusting rod inside the support rod, so that it can form support inside the steel casings of different diameters. There is no need to manufacture internal support devices of various sizes, which improves the use efficiency and adaptability and reduces the manufacturing cost.

[0039] As an optional implementation, in a utility model embodiment, see Figure 2 and Figure 3 As shown, each of the support rods 2 is provided with a plurality of first adjustment holes 21 at intervals, and each of the top ends of the adjustment rods 3 is provided with a second adjustment hole 31, the second adjustment hole 31 can be coincident with each of the first adjustment holes 21, and the second adjustment hole 31 can be extended and retracted in the support rod 2 along its length direction. When the second adjustment hole 31 is coincident with the first adjustment hole 21 close to the fixed bracket 1, the radial length of the adjustment rod 3 is shortened, and a pin is used to penetrate the first adjustment hole 21 and the second adjustment hole 31 to fix the current position of the adjustment rod 3. When the second adjustment hole 31 is coincident with the first adjustment hole 21 far away from the fixed bracket 1, the radial length of the adjustment rod 3 is extended, and a pin is used to penetrate the first adjustment hole 21 and the second adjustment hole 31 to fix the current position of the adjustment rod 3. By adjusting the radial length of the adjustment rod 3, the radial length of the inner support device of the utility model is adjusted to be suitable for steel casings 6 of different diameters.

[0040] As an optional implementation, in a utility model embodiment, see Figure 2As shown, the number of the first adjustment holes 21 is at least seven, and the spacing distance between each of the first adjustment holes 21 is at least ten centimeters. The first adjustment holes 21 are set to seven and the spacing distance is ten centimeters, so that the adjustable range of the adjustment rod 3 within the support rod 2 is seventy centimeters, and the diameter of the first adjustment hole 21 is two centimeters.

[0041] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the number of the support rods 2 is at least eight, and the number of the adjustment rods 3 is also at least eight. The eight support rods 2 are connected into a whole through the fixed bracket 1 to increase the stability of the entire structure.

[0042] As an optional implementation, in a utility model embodiment, see Figure 1 and Figure 4 As shown, the steel casing anti-deformation internal support device also includes: a plurality of jacking supports 4, one of the jacking supports 4 is correspondingly arranged at one end of the adjusting rod 3 against the inner wall of the steel casing 6, the jacking support 4 and the adjusting rod 3 are threadedly connected to adjust the gap between the jacking support 4 and the steel casing 6, after adjusting the length of the adjusting rod 3 according to the diameter of the steel casing 6, the internal support device of the utility model is placed inside the steel casing 6, and the gap between the utility model and the steel casing 6 can be adjusted by rotating the jacking support 4, and the jacking support 4 is rotated to move it toward or away from the fixed bracket 1, and its adjustable range is Ten centimeters, when the top support 4 moves toward the direction approaching the fixed bracket 1, the length of the top support 4 is shortened, and the gap between it and the steel casing 6 is increased. When the top support 4 moves away from the fixed bracket 1, the length of the top support 4 is extended, and the gap between it and the steel casing 6 is reduced, so as to fine-tune the diameter size of the internal support device of the utility model, and eliminate the gap by adjusting the length of the top support 4, so that the size of the utility model is matched with the size of the steel casing 6. At the same time, the internal support device of the utility model can be evenly stressed, and better support can be formed in the steel casing 6 to prevent the steel casing 6 from deformation during transportation.

[0043] As an optional implementation, in a utility model embodiment, see Figure 4 As shown, the shape of the top support 4 is arc-shaped and matches the shape of the inner side surface of the steel casing 6. The shape of the top support 4 is consistent with the inner wall of the steel casing 6, so that the top support 4 can better abut against the inner wall of the steel casing 6 to play a fixing and supporting role.

[0044] As an optional implementation, in a utility model embodiment, see Figure 4As shown, the surface of the top support 4 is provided with rubber. The surface of the top support 4 increases the contact area and friction between the top support 4 and the inner wall of the steel casing 6 by providing the rubber, which can effectively prevent the top support 4 from slipping when it abuts against the inner wall of the steel casing 6.

[0045] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the steel casing anti-deformation internal support device also includes: multiple connecting rods 5, one connecting rod 5 is arranged between two support rods 2, and is used to fix the support rods 2. Multiple connecting rods 5 surround the outside of the support rods 2 and form a regular octagon, which can better fix the multiple support rods 2 and increase the structural stability of the internal support device of the utility model.

[0046] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, each of the connecting rods 5 and each of the supporting rods 2 are connected by welding. The welding connection performance is good, the structural rigidity is large, the integrity is good, and it has good air tightness and water tightness. It is suitable for manufacturing high-strength and high-rigidity hollow structures and can adapt to different requirements and batch production.

[0047] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the fixed bracket 1, the multiple support rods 2, the multiple adjusting rods 3, the multiple top supports 4 and the multiple connecting rods 5 are all made of steel. The steel material has high strength, good plasticity and heat resistance, uniform material, high working reliability, simple production and good assembly performance.

[0048] An embodiment of the utility model also provides a steel casing anti-deformation internal support system, including the aforementioned steel casing anti-deformation internal support device, the internal support device includes a fixed bracket 1, a plurality of support rods 2 and a plurality of adjustment rods 3, the plurality of support rods 2 are arranged outside the fixed bracket 1 along the circumferential direction, one end of an adjustment rod 3 is correspondingly sleeved in one of the support rods 2, and the other end is used to abut against the inner wall of the steel casing 6, and each of the adjustment rods 3 can extend along the length direction of the corresponding support rod 2 to form support in the steel casing 6 with different diameters.

[0049] The steel casing anti-deformation internal support system of the utility model embodiment, its internal support device is provided with a fixed bracket, a plurality of support rods and a plurality of adjusting rods, the plurality of support rods are arranged outside the fixed bracket along the circumferential direction, one end of an adjusting rod is correspondingly sleeved in one of the support rods, and the other end is used to abut against the inner wall of the steel casing, and each of the adjusting rods can extend along the length direction of the corresponding support rod to form support in the steel casings of different diameters. According to the diameter of the steel casing to be supported, the radial length of the internal support device of the utility model is adjusted by adjusting the telescopic length of the adjusting rod inside the support rod, so that it can form support inside the steel casings of different diameters, and there is no need to manufacture internal support devices of various sizes, thereby improving the use efficiency and adaptability and reducing the manufacturing cost.

[0050] As an optional implementation, in a utility model embodiment, see Figure 2 and Figure 3 As shown, each of the support rods 2 is provided with a plurality of first adjustment holes 21 at intervals, and each of the top ends of the adjustment rods 3 is provided with a second adjustment hole 31, the second adjustment hole 31 can be coincident with each of the first adjustment holes 21, and the second adjustment hole 31 can be extended and retracted in the support rod 2 along its length direction. When the second adjustment hole 31 is coincident with the first adjustment hole 21 close to the fixed bracket 1, the radial length of the adjustment rod 3 is shortened, and a pin is used to penetrate the first adjustment hole 21 and the second adjustment hole 31 to fix the current position of the adjustment rod 3. When the second adjustment hole 31 is coincident with the first adjustment hole 21 far away from the fixed bracket 1, the radial length of the adjustment rod 3 is extended, and a pin is used to penetrate the first adjustment hole 21 and the second adjustment hole 31 to fix the current position of the adjustment rod 3. By adjusting the radial length of the adjustment rod 3, the radial length of the inner support device of the utility model is adjusted to be suitable for steel casings 6 of different diameters.

[0051] As an optional implementation, in a utility model embodiment, see Figure 2 As shown, the number of the first adjustment holes 21 is at least seven, and the spacing distance between each of the first adjustment holes 21 is at least ten centimeters. The first adjustment holes 21 are set to seven and the spacing distance is ten centimeters, so that the adjustable range of the adjustment rod 3 within the support rod 2 is seventy centimeters, and the diameter of the first adjustment hole 21 is two centimeters.

[0052] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the number of the support rods 2 is at least eight, and the number of the adjustment rods 3 is also at least eight. The eight support rods 2 are connected into a whole through the fixed bracket 1 to increase the stability of the entire structure.

[0053] As an optional implementation, in a utility model embodiment, see Figure 1 and Figure 4 As shown, the steel casing anti-deformation internal support device also includes: a plurality of jacking supports 4, one of the jacking supports 4 is correspondingly arranged at one end of the adjusting rod 3 against the inner wall of the steel casing 6, the jacking support 4 and the adjusting rod 3 are threadedly connected to adjust the gap between the jacking support 4 and the steel casing 6, after adjusting the length of the adjusting rod 3 according to the diameter of the steel casing 6, the internal support device of the utility model is placed inside the steel casing 6, and the gap between the utility model and the steel casing 6 can be adjusted by rotating the jacking support 4, and the jacking support 4 is rotated to move it toward or away from the fixed bracket 1, and its adjustable range is Ten centimeters, when the top support 4 moves toward the direction approaching the fixed bracket 1, the length of the top support 4 is shortened, and the gap between it and the steel casing 6 is increased. When the top support 4 moves away from the fixed bracket 1, the length of the top support 4 is extended, and the gap between it and the steel casing 6 is reduced, so as to fine-tune the diameter size of the internal support device of the utility model, and eliminate the gap by adjusting the length of the top support 4, so that the size of the utility model is matched with the size of the steel casing 6. At the same time, the internal support device of the utility model can be evenly stressed, and better support can be formed in the steel casing 6 to prevent the steel casing 6 from deformation during transportation.

[0054] As an optional implementation, in a utility model embodiment, see Figure 4 As shown, the shape of the top support 4 is arc-shaped and matches the shape of the inner side surface of the steel casing 6. The shape of the top support 4 is consistent with the inner wall of the steel casing 6, so that the top support 4 can better abut against the inner wall of the steel casing 6 to play a fixing and supporting role.

[0055] As an optional implementation, in a utility model embodiment, see Figure 4 As shown, the surface of the top support 4 is provided with rubber. The surface of the top support 4 increases the contact area and friction between the top support 4 and the inner wall of the steel casing 6 by providing the rubber, which can effectively prevent the top support 4 from slipping when it abuts against the inner wall of the steel casing 6.

[0056] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the steel casing anti-deformation internal support device also includes: multiple connecting rods 5, one connecting rod 5 is arranged between two support rods 2, and is used to fix the support rods 2. Multiple connecting rods 5 surround the outside of the support rods 2 and form a regular octagon, which can better fix the multiple support rods 2 and increase the structural stability of the internal support device of the utility model.

[0057] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, each of the connecting rods 5 and each of the supporting rods 2 are connected by welding. The welding connection performance is good, the structural rigidity is large, the integrity is good, and it has good air tightness and water tightness. It is suitable for manufacturing high-strength and high-rigidity hollow structures and can adapt to different requirements and batch production.

[0058] As an optional implementation, in a utility model embodiment, see Figure 1 As shown, the fixed bracket 1, the multiple support rods 2, the multiple adjusting rods 3, the multiple top supports 4 and the multiple connecting rods 5 are all made of steel. The steel material has high strength, good plasticity and heat resistance, uniform material, high working reliability, simple production and good assembly performance.

[0059] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0060] It should be noted that, in the present utility model, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0061] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features of the present invention.

Claims

1. A steel casing anti-deformation internal support device, characterized in that: include: A fixing bracket (1); A plurality of support rods (2), wherein the plurality of support rods (2) are arranged outside the fixed bracket (1) along a circumferential direction; A plurality of adjusting rods (3), one end of each adjusting rod (3) being correspondingly sleeved in one of the supporting rods (2), and the other end being used to abut against the inner wall of the steel casing (6), and each of the adjusting rods (3) can extend along the length direction of the corresponding supporting rod (2) to form support in the steel casings (6) of different diameters.

2. The steel casing anti-deformation internal support device according to claim 1 is characterized in that: A plurality of first adjustment holes (21) are arranged at intervals on each of the support rods (2), and a second adjustment hole (31) is arranged at the top end of each of the adjustment rods (3), and the second adjustment hole (31) can overlap with each of the first adjustment holes (21) accordingly.

3. The steel casing anti-deformation internal support device according to claim 2 is characterized in that: The number of the first adjustment holes (21) is at least seven, and the interval between each of the first adjustment holes (21) is at least ten centimeters.

4. The steel casing anti-deformation internal support device according to claim 1 is characterized in that: The number of the support rods (2) is at least eight, and the number of the adjustment rods (3) is also at least eight.

5. The steel casing anti-deformation internal support device according to claim 1 is characterized in that: Also includes: A plurality of jack supports (4), one of the jack supports (4) being arranged correspondingly at one end of the adjusting rod (3) abutting against the inner wall of the steel casing (6), the jack support (4) and the adjusting rod (3) being connected by threads for adjusting the gap between the jack support (4) and the steel casing (6).

6. The anti-deformation inner support device for steel casing according to claim 5 is characterized in that: The top support (4) is arc-shaped and matches the shape of the inner side surface of the steel casing (6).

7. The anti-deformation inner support device for steel casing according to claim 6 is characterized in that: The surface of the top support (4) is provided with rubber.

8. The steel casing anti-deformation internal support device according to claim 5, characterized in that: Also includes: A plurality of connecting rods (5), one of the connecting rods (5) is arranged between two of the supporting rods (2) and is used to fix the supporting rods (2).

9. The steel casing anti-deformation internal support device according to claim 8, characterized in that: The fixed bracket (1), the plurality of support rods (2), the plurality of adjustment rods (3), the plurality of jacking supports (4) and the plurality of connecting rods (5) are all made of steel.

10. A steel casing anti-deformation internal support system, characterized in that: It comprises the steel casing anti-deformation internal support device as described in any one of claims 1-9.

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