A device for fixing the vibrating position of deep pit foundation concrete pouring

Abstract

The utility model relates to the technical field of deep pit foundation concrete pouring and vibration construction, specifically a deep pit foundation concrete pouring and vibration position fixing device, including a support mechanism and a position fixing mechanism, the position fixing mechanism is detachably installed on the support mechanism, the support mechanism includes a partition steel ring and an adjustable support frame, the adjustable support frame is used to support the partition steel ring. The utility model has a simple structure, is easy to install and easy to operate, can accurately locate and effectively fix the position of the vibrating rod during the deep pit foundation concrete pouring, effectively vibrates the concrete, prevents missed vibration or over-vibration, makes the internal composition and structure of the concrete more uniform, improves the construction efficiency and the quality of concrete pouring and vibration, and further ensures the quality of foundation construction.

Description

Technical Field

[0001] The utility model relates to the technical field of deep pit foundation concrete pouring and vibrating construction, in particular to a deep pit foundation concrete pouring and vibrating position fixing device. Background Art

[0002] With the development of power transmission line projects, the height and weight of iron towers have reached unprecedented levels. Deep pit foundations such as manual digging and mechanical digging are commonly used in UHV transmission line projects. The depth of the excavated foundation pit can reach more than ten or even twenty meters. The use of mechanical excavation foundation construction such as rotary drilling rigs is becoming more and more common. During the mechanical excavation foundation construction and concrete pouring process, construction workers are not allowed to work in the pit.

[0003] During the pouring and vibration construction of deep pit foundation concrete for power transmission line projects, due to the deep foundation pit and the length of the vibrating rod reaching more than ten or even twenty meters, construction workers operating the vibrating rod above the foundation pit may easily cause missed vibration or over-vibration due to improper operation or lack of responsibility, which in turn causes uneven internal composition and structure of the concrete, seriously affecting the quality of foundation construction.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide a deep pit foundation concrete pouring vibration position fixing device to solve the problems of missed vibration or over-vibration during the vibration process and uneven internal composition and structure of the concrete.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a deep pit foundation concrete pouring and vibrating position fixing device, comprising a supporting mechanism and a position fixing mechanism, wherein the position fixing mechanism is detachably mounted on the supporting mechanism, wherein the supporting mechanism comprises a partition steel ring and an adjustable supporting frame, wherein the adjustable supporting frame is used to support the partition steel ring;

[0007] The partitioned steel ring includes a plurality of round steel rings of unequal diameters and concentric arrangement, and the plurality of round steel rings are fixedly connected by a plurality of fixing rods; the position fixing mechanism includes a plurality of one-to-one corresponding upper position fixing steel bar rings and lower position fixing steel bar rings, and the upper position fixing steel bar rings and the lower position fixing steel bar rings are connected by at least two vertical positioning rods, and adjacent upper position fixing steel bar rings are connected by horizontal positioning rods, and the horizontal positioning rods are provided with a plurality of snap grooves, and the positions of the snap grooves are adapted to the positions of the round steel rings.

[0008] As a preferred technical solution, one end of the fixing rod is connected to the innermost round steel ring and the other end protrudes out of the outermost round steel ring.

[0009] As a preferred technical solution, the partition steel ring is an integrated structure.

[0010] As a preferred technical solution, the radius difference between adjacent round steel rings is 300 mm.

[0011] As a preferred technical solution, there are three round steel rings, namely a first steel ring located at the innermost part, a second steel ring located at the middle position and a third steel ring located at the outermost part; there are four fixing rods, which are arranged at equal angles around the round steel rings.

[0012] As a preferred technical solution, the distance between the upper position fixed steel bar ring and the lower position fixed steel bar ring is 1 meter.

[0013] As a preferred technical solution, there are six upper position fixed steel bar rings and six lower position fixed steel bar rings, one upper position fixed steel bar ring is arranged in the first steel ring area, two upper position fixed steel bar rings are arranged in the area between the second steel ring and the first steel ring, and three upper position fixed steel bar rings are arranged in the area between the third steel ring area and the second steel ring.

[0014] As a preferred technical solution, the spacing H between two upper position fixed steel bar rings in adjacent areas is 300 mm; the spacing D between two adjacent upper position fixed steel bar rings among the three upper position fixed steel bar rings located in the third steel ring area is 450 mm.

[0015] As a preferred technical solution, there are multiple adjustable support frames, and the adjustable support frames are arranged in a one-to-one correspondence with the fixed rods; the adjustable support frames include an adjusting nut, an adjusting screw is arranged in the adjusting nut, and the adjusting screw cooperates with the adjusting nut thread so that the adjusting screw can move up and down in the adjusting nut; a top support is arranged on the top of the adjusting screw, and the fixed rod is embedded in the top support.

[0016] As a preferred technical solution, the top support is a right-angle U-shaped structure.

[0017] The utility model provides a device for fixing the vibration position of deep pit foundation concrete pouring. The device has a simple structure, is easy to install and operate, can accurately locate and effectively fix the position of the vibrating rod when pouring deep pit foundation concrete, effectively vibrates the concrete, prevents missed vibration or over-vibration, makes the internal composition and structure of the concrete more uniform, improves the construction efficiency and the quality of concrete pouring and vibration, and further ensures the quality of foundation construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a device for fixing the position of concrete pouring and vibrating for deep pit foundation according to the utility model;

[0019] Figure 2 yes Figure 1 Sectional view at AA in the middle;

[0020] Figure 3 is a structural schematic diagram of an adjustable support frame;

[0021] Figure 4 is a top view of the position fixing mechanism;

[0022] Figure 5 It is a structural schematic diagram of the position fixing mechanism;

[0023] Figure 6 is a schematic diagram of the positional relationship between the first steel ring and the buckle groove;

[0024] In the figure:

[0025] 1-adjustable support frame, 2-partition steel ring, 3-position fixing mechanism, 31-upper position fixed steel ring, 32-horizontal positioning rod, 33-vertical positioning rod, 34-lower position fixed steel ring, 4-top support, 5-adjusting screw, 6-adjusting nut, 7-base, 8-round steel ring, 81-first steel ring, 82-second steel ring, 83-third steel ring, 9-fixing rod, 10-buckle groove. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] Embodiment 1:

[0028] See also Figure 1 , Figure 2 The utility model provides a deep pit foundation concrete pouring vibrating position fixing device, comprising a supporting mechanism and a position fixing mechanism 3, wherein the position fixing mechanism 3 is detachably mounted on the supporting mechanism. The position fixing mechanism 3 and the supporting mechanism are detachable, which is convenient for transportation and installation. The supporting mechanism is used to support the position fixing mechanism 3, and the position fixing mechanism 3 is used to fix the vibrating rod.

[0029] Specifically, the support mechanism includes a partition steel ring 2 and an adjustable support frame 1, and the adjustable support frame 1 is used to support the partition steel ring 2. The partition steel ring 2 is an integrated structure, including a plurality of circular steel rings 8 of unequal diameters and concentric arrangement; the plurality of circular steel rings 8 are fixedly connected by a plurality of fixing rods 9, one end of the fixing rod 9 is connected to the innermost circular steel ring 8 and the other end protrudes from the outermost circular steel ring 8. The number of circular steel rings 8 and the length of the fixing rod 9 can be determined according to the size of the basic aperture.

[0030] The radius difference between adjacent round steel rings 8 is preferably 300 mm.

[0031] Preferably, three round steel rings 8 are provided, namely, a first steel ring 81 located at the innermost part, a second steel ring 82 located at the middle position, and a third steel ring 83 located at the outermost part. Four fixing rods 9 are provided, and the fixing rods 9 are arranged at equal angles around the round steel ring 8. The round steel ring 8 and the fixing rods 9 are welded to each other.

[0032] See also Figures 1 to 3 , the adjustable support frame 1 is provided with a plurality of adjustable support frames 1, and the adjustable support frames 1 are provided in a one-to-one correspondence with the fixed rod 9. The adjustable support frame 1 includes an adjusting nut 6, and an adjusting screw 5 is provided in the adjusting nut 6. The adjusting screw 5 is threadedly matched with the adjusting nut 6, so that the adjusting screw 5 can move up and down in the adjusting nut 6. A top support 4 is provided on the top of the adjusting screw 5, and the top support 4 is a right-angle U-shaped structure. The fixed rod 9 is embedded in the right-angle U-shaped groove of the top support 4. The adjusting nut 6 is fixedly connected to the base 7. By adjusting the screw 5 and the adjusting nut 6, the problem of adjusting support when the edge of the foundation pit is uneven is solved.

[0033] See also Figure 1 , Figure 4 and Figure 5 The position fixing mechanism 3 includes a plurality of upper position fixing steel bar rings 31 and lower position fixing steel bar rings 34 corresponding to each other. The number of the upper position fixing steel bar rings 31 should be set according to the partition size of the round steel ring 8, but the overall requirement of making the vibrator moving spacing no more than 500mm should be met. The spacing between the upper position fixing steel bar ring 31 and the lower position fixing steel bar ring 34 is 1 meter. The upper position fixing steel bar ring 31 and the lower position fixing steel bar ring 34 are welded and connected by at least two vertical positioning rods 33. Adjacent upper position fixing steel bar rings 31 are welded and connected by horizontal positioning rods 32.

[0034] The horizontal positioning rod 32 is provided with a plurality of buckle grooves 10, the positions of which are adapted to the positions of the round steel rings 8, so that each round steel ring 8 passes through the buckle grooves 10, see Figure 6 .

[0035] In actual application, the round steel ring 8 is a round steel with a cross-sectional diameter of 20mm. The inner radius of the first steel ring 81 located at the innermost part is 400mm, the inner radius of the second steel ring 82 located in the middle is 700mm, and the inner radius of the third steel ring 83 located at the outermost part is 1000mm. The fixing rod 9 is a hollow square steel, and the specification of the hollow square steel 9 of the hollow square steel is 50mm×50mm×8mm, and the length is 900mm. In order to adapt to the above-mentioned partition steel ring 2, the height of the adjusting nut 6 is 400mm, the length of the adjusting screw 5 is 300mm, and the distance between the adjusting screw 5 and the adjusting nut 6 is 100mm to 150mm; the width of the top support 4 is 60mm and the height is 50mm; the diameter of the adjusting screw 5 is 36mm; the base 7 is a 150mm×150mm×10mm steel plate.

[0036] The upper fixed steel ring 31, the lower fixed steel ring 34, the horizontal positioning rod 32 and the vertical positioning rod 33 are all made of round steel with a diameter of 10 mm. The diameters of the upper fixed steel ring 31 and the lower fixed steel ring 34 are both 150 mm, and the number is six. Among the six upper fixed steel rings 31, one is arranged in the area of ​​the first steel ring 81, two are arranged in the area between the second steel ring 82 and the first steel ring 81, and three are arranged in the area between the third steel ring 83 and the second steel ring 82. The spacing H between the two upper fixed steel rings 31 in the adjacent area is 300 mm; the spacing D between the two adjacent upper fixed steel rings 31 among the three upper fixed steel rings 31 located in the area of ​​the third steel ring 83 is 450 mm.

[0037] The deep pit foundation concrete pouring and vibrating position fixing device of the utility model can be applied to the concrete pouring and vibrating of different apertures. The foundation pit with a hole depth of 15 meters and an aperture of 2m is used as an example for explanation. The specific operation is as follows: after the deep pit foundation is excavated and before the concrete is poured, the support mechanism is placed on one of the 1 / 4 areas of the round steel ring 8; when pouring concrete, the material can be unloaded in the first steel ring 81 through the existing unloading device; before each layer of concrete is vibrated, the position fixing mechanism 3 is fixed at the corresponding position of each round steel ring 8 through the buckle groove 10, so as to realize the average partitioning of the 2m aperture foundation pit into 4 areas, each area occupies 1 / 4 of the total area, so a single area is called a 1 / 4 area. The support mechanism and the position fixing mechanism 3 can also be placed after each layer of concrete is poured as needed. When the deep pit foundation concrete is vibrated after pouring, the vibrating rod passes through a certain upper position fixed steel ring 31 of the position fixing mechanism 3 and goes vertically downward, and then passes through the corresponding lower position fixed steel ring 34 to the poured concrete at the bottom of the pit, accurately positioning the position of the deep pit foundation concrete pouring and vibration, and effectively vibrating the concrete; then vibrate in sequence according to the corresponding positions of the remaining upper position fixed steel rings 31 of the position fixing mechanism 3 until the vibration of 1 / 4 area is completed. After completing the vibration of one 1 / 4 area, place the position fixing mechanism 3 on another 1 / 4 area corresponding to the round steel ring 8, and repeat the above operation until the current vibration is completed.

[0038] The utility model provides a device for fixing the vibrating position of deep pit foundation concrete pouring, which can be used to fix the vibrating position of deep pit foundation concrete pouring in power transmission line engineering and other engineering construction processes, and the power transmission line is an ultra-high voltage transmission line. The device has a simple structure, is easy to install, has low cost, and is easy to operate. It can accurately locate and effectively fix the position of the vibrating rod during the pouring of deep pit foundation concrete, effectively vibrate the concrete, prevent missing vibration or over-vibration, make the internal composition and structure of the concrete more uniform, improve the construction efficiency and the quality of concrete pouring and vibration, and further ensure the quality of foundation construction.

[0039] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A device for fixing the position of deep pit foundation concrete pouring and vibrating, characterized in that: It comprises a supporting mechanism and a position fixing mechanism (3), wherein the position fixing mechanism (3) is detachably mounted on the supporting mechanism, and the supporting mechanism comprises a partition steel ring (2) and an adjustable supporting frame (1), and the adjustable supporting frame (1) is used to support the partition steel ring (2); The partition steel ring (2) comprises a plurality of circular steel rings (8) of unequal diameters and arranged concentrically, and the plurality of circular steel rings (8) are fixedly connected via a plurality of fixing rods (9); the position fixing mechanism (3) comprises a plurality of upper position fixing steel rings (31) and lower position fixing steel rings (34) corresponding to each other, the upper position fixing steel rings (31) and the lower position fixing steel rings (34) are connected via at least two vertical positioning rods (33), and adjacent upper position fixing steel rings (31) are connected via horizontal positioning rods (32), and the horizontal positioning rods (32) are provided with a plurality of buckle grooves (10), and the positions of the buckle grooves (10) are adapted to the positions of the circular steel rings (8).

2. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 1, characterized in that: One end of the fixing rod (9) is connected to the innermost round steel ring (8) and the other end protrudes out of the outermost round steel ring (8).

3. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 2, characterized in that: The partition steel ring (2) is an integrated structure.

4. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to any one of claims 1 to 3, characterized in that: The radius difference between adjacent round steel rings (8) is 300 mm.

5. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 4, characterized in that: The circular steel rings (8) are provided in three numbers, namely a first steel ring (81) located at the innermost part, a second steel ring (82) located at the middle position, and a third steel ring (83) located at the outermost part; the fixing rods (9) are provided in four numbers, and the fixing rods (9) are arranged at equal angles around the circular steel rings (8).

6. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 5, characterized in that: The distance between the upper fixed steel bar ring (31) and the lower fixed steel bar ring (34) is 1 meter.

7. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 6, characterized in that: There are six upper position fixed steel bar rings (31) and six lower position fixed steel bar rings (34), one upper position fixed steel bar ring (31) is arranged in the area of ​​the first steel ring (81), two upper position fixed steel bar rings (31) are arranged in the area between the second steel ring (82) and the first steel ring (81), and three upper position fixed steel bar rings (31) are arranged in the area between the third steel ring (83) and the second steel ring (82).

8. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 7, characterized in that: The spacing H between two upper position fixed steel bar rings (31) in adjacent areas is 300 mm; the spacing D between two adjacent upper position fixed steel bar rings (31) among the three upper position fixed steel bar rings (31) located in the third steel ring (83) area is 450 mm.

9. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 1, characterized in that: The adjustable support frame (1) is provided in plurality, and the adjustable support frame (1) and the fixing rod (9) are provided in a one-to-one correspondence; the adjustable support frame (1) comprises an adjusting nut (6), an adjusting screw (5) is provided inside the adjusting nut (6), and the adjusting screw (5) and the adjusting nut (6) are threadedly matched, so that the adjusting screw (5) can move up and down inside the adjusting nut (6); a top support (4) is provided at the top of the adjusting screw (5), and the fixing rod (9) is embedded in the top support (4).

10. A device for fixing the position of deep pit foundation concrete pouring and vibrating according to claim 9, characterized in that: The top support (4) is a right-angle U-shaped structure.

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