Spraying frame for sprayed concrete construction

Abstract

The utility model discloses a spraying frame for concrete spraying construction, which comprises a base, a turntable is rotatably arranged in the center of the upper surface of the base, a sleeve is vertically arranged in the center of the upper surface of the turntable, a lifting rod is inserted in the sleeve, a lower half ring is arranged at the upper end of the lifting rod, an upper half ring is hinged to one side of the lower half ring, and a lower half ring is hinged to the other side of the lower half ring. The inner concave face of the lower half ring faces upwards, and the inner concave face of the upper half ring faces downwards. According to the concrete spraying device, a person holds the handle sleeve and rotates the handle sleeve, the upper half ring and the lower half ring can drive the concrete pipe to rotate, in this way, concrete can be sprayed out of the opening of the concrete pipe in different directions conveniently, the fastening bolt can be loosened, the overall height of the sleeve and the lifting rod can be adjusted, and the concrete can be sprayed farther or closer; the whole device is simple and reliable in structure, the concrete pipe is fixed more firmly, personnel operation is also more convenient, and the device can be popularized and used during concrete spraying construction.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete construction, in particular to a spraying frame for sprayed concrete construction. Background Art

[0002] During the concrete construction process, the concrete is first transported to the construction site by a mixer truck, and then the concrete is pumped out using a pump and a pipe. The concrete is sprayed onto the construction level through the pipe. The outlet of the pipe is relatively unstable because the concrete is sprayed out from the outlet. The construction workers are required to hold the outlet of the pipe and move the direction of the pipe outlet to facilitate the flushing of the concrete to different locations. However, the operation process is relatively tiring and has certain risks due to the workers' hand-held method.

[0003] In view of the above problems, the present utility model is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a spraying frame for shotcrete construction, which is used to solve the problems mentioned in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions.

[0006] The utility model provides a spraying frame for spraying concrete construction, comprising a base, a turntable is rotatably arranged at the center of the upper surface of the base, a sleeve is vertically arranged at the center of the upper surface of the turntable, a lifting rod is inserted in the sleeve, a lower half ring is arranged at the upper end of the lifting rod, an upper half ring is hinged on one side of the lower half ring, the inner concave surface of the lower half ring faces upwards, and the inner concave surface of the upper half ring faces downwards;

[0007] A first gasket is provided on the inner concave surface of the lower half ring, and a second gasket is provided on the inner concave surface of the upper half ring. The first gasket and the second gasket are opposite to each other up and down. The upper surface of the first gasket is provided with a first convex tooth, and the lower surface of the second gasket is provided with a second convex tooth.

[0008] Handle bars are symmetrically arranged on both sides of the lower half ring, and the heights of the handle bars on both sides are flush. A handle cover is arranged on one end of the handle bar away from the lower half ring.

[0009] Preferably, the upper surface of the base is provided with an annular slide groove, the slide groove is concentric with the base, and the lower surface of the turntable is provided with an annular protrusion, the protrusion is slidably installed in the slide groove.

[0010] Preferably, a cavity is provided in the sleeve, the top of the cavity passes through the upper surface of the sleeve, the lifting rod is inserted in the cavity, a fastening bolt is threadedly connected above the surface of the sleeve, and the end of the fastening bolt passes through the sleeve and abuts against the surface of the lifting rod.

[0011] Preferably, a first folded edge is provided on the side of the lower half ring away from its rotating axis, and a second folded edge is provided on the side of the upper half ring away from its rotating axis. Two first through holes are symmetrically provided on the first folded edge, and two second through holes are symmetrically provided on the second folded edge. The first through holes are aligned with the second through holes up and down.

[0012] Preferably, a plurality of reinforcing rib plates distributed in a circumferential shape are evenly arranged between the upper end of the lifting rod and the lower surface of the lower semi-ring.

[0013] Preferably, the cross-sections of the first protruding tooth and the second protruding tooth are both trapezoidal.

[0014] Preferably, the lower half ring and the upper half ring are both semicircular, the first convex teeth are evenly distributed along the surface of the first gasket at equal intervals, and the second convex teeth are evenly distributed along the surface of the second gasket at equal intervals.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The first gasket, the first convex tooth, the second gasket, and the second convex tooth cooperate to firmly fix the outlet position of the concrete pipe; when concrete flows out of the concrete pipe, the operator can hold the handle glove with both hands to stabilize the outlet position of the concrete pipe, so that the concrete pipe can transport concrete more firmly;

[0017] During the process, the personnel hold the handle and rotate it, and the upper half ring and the lower half ring can drive the concrete pipe to rotate, so that the mouth of the concrete pipe can spray concrete in different directions. The fastening bolts can also be loosened to adjust the overall height of the sleeve and the lifting rod to make the concrete spray farther or closer. The whole device has a simple and reliable structure, the concrete pipe is firmly fixed, and the personnel are convenient to operate. It can be promoted for use in concrete spraying construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of the utility model after the upper half ring is closed;

[0019] Figure 2 This is a three-dimensional diagram of the utility model after the upper half ring is opened;

[0020] Figure 3 It is a three-dimensional diagram of the first gasket and the second gasket of the utility model.

[0021] In the figure: 1, base; 11, turntable; 2, sleeve; 21, fastening bolt; 3, lifting rod; 31, lower half ring; 311, first gasket; 312, first convex tooth; 32, upper half ring; 321, second gasket; 322, second convex tooth; 4, handle rod; 41, handle cover. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, 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, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] like Figure 1-3 As shown, a spraying frame for shotcrete construction includes a base 1, a turntable 11 is rotatably arranged at the center of the upper surface of the base 1, a sleeve 2 is vertically arranged at the center of the upper surface of the turntable 11, a lifting rod 3 is inserted in the sleeve 2, and the rotation of the turntable 11 can drive the sleeve 2 and the lifting rod 3 to rotate, and a lower half ring 31 is arranged at the upper end of the lifting rod 3, and an upper half ring 32 is hinged on one side of the lower half ring 31, the inner concave surface of the lower half ring 31 faces upward, and the inner concave surface of the upper half ring 32 faces downward, and the lower half ring 31 and the upper half ring 32 can fix the mouth of the concrete pipe;

[0025] The inner concave surface of the lower half ring 31 is provided with a first gasket 311, and the inner concave surface of the upper half ring 32 is provided with a second gasket 321. The first gasket 311 and the second gasket 321 are opposite to each other. The upper surface of the first gasket 311 is provided with a first convex tooth 312, and the lower surface of the second gasket 321 is provided with a second convex tooth 322. The first gasket 311, the first convex tooth 312, the second gasket 321, and the second convex tooth 322 all play a role in enhancing friction.

[0026] Handle bars 4 are symmetrically arranged on both sides of the lower half ring 31 . The handle bars 4 on both sides are at the same height. A handle cover 41 is arranged on one end of the handle bar 4 away from the lower half ring 31 . The handle cover 41 is convenient for operators to hold.

[0027] The upper surface of the base 1 is provided with an annular slide groove, which is concentric with the base 1 , and the lower surface of the turntable 11 is provided with an annular protrusion, which is slidably installed in the slide groove.

[0028] A cavity is provided in the sleeve 2, the top of the cavity passes through the upper surface of the sleeve 2, the lifting rod 3 is inserted in the cavity, a fastening bolt 21 is threadedly connected above the surface of the sleeve 2, the end of the fastening bolt 21 passes through the sleeve 2 and abuts against the surface of the lifting rod 3, and the fastening bolt 21 is loosened, and the lifting rod 3 can move up and down in the sleeve 2.

[0029] The lower half ring 31 is provided with a first folded edge on one side away from its rotation axis, and the upper half ring 32 is provided with a second folded edge on one side away from its rotation axis. Two first through holes are symmetrically provided on the first folded edge, and two second through holes are symmetrically provided on the second folded edge. The first through holes are aligned with the second through holes in vertical alignment.

[0030] A plurality of reinforcing rib plates distributed in a circumferential shape are evenly arranged between the upper end of the lifting rod 3 and the lower surface of the lower half ring 31 .

[0031] The cross sections of the first protruding tooth 312 and the second protruding tooth 322 are both trapezoidal.

[0032] The lower half ring 31 and the upper half ring 32 are both semicircular, the first protruding teeth 312 are evenly distributed along the surface of the first gasket 311 at equal intervals, and the second protruding teeth 322 are evenly distributed along the surface of the second gasket 321 at equal intervals.

[0033] In summary, when in use, the entire device is placed at the construction site of the concrete, the upper half ring 32 is opened, the outlet position of the concrete pipe is placed on the first convex tooth 312, and then the upper half ring 32 is closed. At this time, the first through hole and the second through hole are aligned, and then bolts are screwed into the first through hole and the second through hole, so that the upper half ring 32 and the lower half ring 31 can be fixed as a whole;

[0034] At this time, the first gasket 311, the first protruding tooth 312, the second gasket 321, and the second protruding tooth 322 cooperate to firmly fix the outlet position of the concrete pipe; when concrete flows out of the concrete pipe, the operator can hold the handle 41 with both hands to stabilize the outlet position of the concrete pipe, so that the concrete pipe can transport concrete more firmly;

[0035] During this period, the personnel hold the handle cover 41 and rotate it, and the upper half ring 32 and the lower half ring 31 can drive the concrete pipe to rotate, so that the mouth of the concrete pipe can be conveniently sprayed out in different directions. The fastening bolts 21 can also be loosened to adjust the overall height of the sleeve 2 and the lifting rod 3 to make the concrete spray farther or closer;

[0036] The whole device has a simple and reliable structure, can firmly fix the concrete pipe, is convenient for personnel to operate, and can be widely used in concrete spraying construction.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spraying frame for spraying concrete construction, characterized in that: The invention comprises a base (1), a turntable (11) is rotatably arranged in the center of the upper surface of the base (1), a sleeve (2) is vertically arranged in the center of the upper surface of the turntable (11), a lifting rod (3) is inserted in the sleeve (2), a lower half ring (31) is arranged at the upper end of the lifting rod (3), an upper half ring (32) is hingedly connected to one side of the lower half ring (31), the inner concave surface of the lower half ring (31) faces upwards, and the inner concave surface of the upper half ring (32) faces downwards; The inner concave surface of the lower half ring (31) is provided with a first gasket (311), and the inner concave surface of the upper half ring (32) is provided with a second gasket (321); the first gasket (311) and the second gasket (321) are opposed to each other in upper and lower directions; the upper surface of the first gasket (311) is provided with a first convex tooth (312), and the lower surface of the second gasket (321) is provided with a second convex tooth (322); Handle bars (4) are symmetrically arranged on both sides of the lower half ring (31), the handle bars (4) on both sides are at the same height, and a handle cover (41) is arranged at one end of the handle bar (4) away from the lower half ring (31).

2. A spraying frame for spraying concrete construction according to claim 1, characterized in that: The upper surface of the base (1) is provided with a circular groove, the groove being concentric with the base (1), and the lower surface of the turntable (11) is provided with a circular protrusion, the protrusion being slidably mounted in the groove.

3. The spraying frame for spraying concrete construction according to claim 1, characterized in that: A cavity is provided in the sleeve (2), the top of the cavity passes through the upper surface of the sleeve (2), the lifting rod (3) is inserted into the cavity, a fastening bolt (21) is threadedly connected above the surface of the sleeve (2), and the end of the fastening bolt (21) passes through the sleeve (2) and abuts against the surface of the lifting rod (3).

4. The spraying frame for spraying concrete construction according to claim 1, characterized in that: The lower half ring (31) is provided with a first folded edge on one side away from the rotation axis, and the upper half ring (32) is provided with a second folded edge on one side away from the rotation axis. The first folded edge is symmetrically provided with two first through holes, and the second folded edge is symmetrically provided with two second through holes. The first through holes are aligned with the second through holes in a vertical manner.

5. The spraying frame for spraying concrete construction according to claim 1, characterized in that: A plurality of reinforcing rib plates distributed in a circumferential shape are evenly arranged between the upper end of the lifting rod (3) and the lower surface of the lower half ring (31).

6. The spraying frame for spraying concrete construction according to claim 1, characterized in that: The cross-sections of the first protruding tooth (312) and the second protruding tooth (322) are both trapezoidal.

7. The spraying frame for spraying concrete construction according to claim 1, characterized in that: The lower half ring (31) and the upper half ring (32) are both semicircular, the first protruding teeth (312) are evenly distributed at equal intervals along the surface of the first gasket (311), and the second protruding teeth (322) are evenly distributed at equal intervals along the surface of the second gasket (321).

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