Concrete spraying device

Abstract

The utility model provides a concrete spraying device, and mainly relates to the technical field of building equipment. A concrete spraying device comprises a base and a cement nozzle, a cement tank is fixedly arranged at the position, close to one end, of the top of the base, a supporting frame is fixedly arranged at the other end of the top of the base, a supporting rod is fixedly arranged at the top of the supporting frame, a supporting seat is fixedly arranged on the supporting rod, and the top of the supporting seat is rotationally connected with a supporting plate; a driving assembly is arranged on the supporting frame and is in transmission connection with the supporting plate, a feeding pump is fixedly arranged at the top of the base, one end of the feeding pump communicates with the cement tank, and the other end of the feeding pump is connected with the cement nozzle through a feeding pipe. The cement sprayer fixing device has the advantages that the cement sprayer is clamped and fixed through the supporting frame, and compared with a handheld type, the safety of construction operation is improved; the cement sprayer is driven to swing in a reciprocating mode through the four-bar mechanism principle, the concrete spraying range is enlarged, and therefore operation efficiency is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of construction equipment, in particular to a concrete spraying device. Background Art

[0002] Concrete spraying equipment is a mechanical device that uses a pumping method to continuously transport concrete along a pipe and spray it onto the construction surface. It is widely used in the lining construction of underground projects, shafts, tunnels, culverts, etc. Existing concrete spraying often requires a spraying hose to be connected, and workers must hold the hose to spray the ground. This is inconvenient and unsafe for operators to hold. Furthermore, most existing concrete spraying equipment cannot adjust the spraying angle, resulting in a small spraying range and reduced construction efficiency. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions:

[0004] A concrete spraying device comprises a base and a cement nozzle, wherein a cement tank is fixedly arranged near one end of the top of the base, a support frame is fixedly arranged at the other end of the top of the base, a support rod is fixedly arranged on the top of the support frame, a support seat is fixedly arranged on the support rod, the top of the support seat is rotatably connected to a support plate, the cement nozzle is fixedly arranged on the top of the support plate, a drive assembly is provided on the support frame, and the drive assembly is transmission-connected to the support plate, a feeding pump is fixedly arranged on the top of the base, one end of the feeding pump is connected to the cement tank and the other end is connected to the cement nozzle through a feeding pipe.

[0005] A fixing plate is fixedly arranged on the support frame, and a limiting seat is fixedly arranged on the top of the base close to the support frame.

[0006] The driving assembly includes a driving motor, a crank, a limiting plate, and a connecting rod. The driving motor is fixedly mounted on a fixed plate, a crank is fixedly mounted on an output end of the driving motor, a sliding groove is provided on the limiting plate, the other end of the crank abuts against the inner wall of the sliding groove, one end of the connecting rod abuts against the inner wall of the sliding groove and the other end is rotatably connected to the bottom of the support plate, and the bottom of the limiting plate is rotatably connected to the limiting seat.

[0007] The two ends of the connecting rod are respectively hinged to rotating shafts, one of the rotating shafts is in contact with the inner wall of the sliding groove, and the other rotating shaft is rotatably connected to the end of the supporting plate.

[0008] A feed port is fixedly provided on the top of the cement tank, and the feed pipe is fixedly provided on the outer ring of the cement tank by a buckle.

[0009] A handle is fixedly provided on the top of the base near the cement tank, and universal wheels are fixedly provided at the four corners of the bottom of the base.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The utility model discloses a simple structure, is easy to install and use, and the cement spraying head is clamped and fixed by the support frame, which improves the safety of construction operation compared with the handheld type; the cement spraying head is driven to swing back and forth by the principle of the four-bar mechanism, so that the spraying range is fan-shaped, which increases the spraying range of concrete, thereby improving operation efficiency and reducing labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;

[0013] Figure 2 This is a schematic structural diagram of the utility model from a second viewing angle;

[0014] Figure 3 This is a schematic diagram of the structure of the drive assembly of the utility model;

[0015] Figure 4 It is a schematic diagram of the connecting rod structure of the utility model.

[0016] The numbers shown in the accompanying drawings are: 1. base; 101. limit seat; 102. handle; 103. universal wheel; 2. cement nozzle; 3. cement tank; 4. support frame; 401. support rod; 402. fixing plate; 5. support seat; 6. support plate; 7. drive assembly; 701. drive motor; 702. crank; 703. limit plate; 703. limit plate; 704. connecting rod; 705. rotating shaft; 8. feeding pump; 9. feeding pipe. DETAILED DESCRIPTION

[0017] The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that such equivalent forms also fall within the scope defined in this application.

[0018] In conjunction with the accompanying drawings, a concrete spraying device includes a base 1 and a cement nozzle 2. A cement tank 3 is fixedly arranged on the top of the base 1 near one end, a support frame 4 is fixedly arranged on the other end of the top of the base 1, a support rod 401 is fixedly arranged on the top of the support frame 4, a support seat 5 is fixedly arranged on the support rod 401, and the top of the support seat 5 is rotatably connected to the support plate 6. The cement nozzle 2 is fixedly arranged on the top of the support plate 6, a drive assembly 7 is provided on the support frame 4, and the drive assembly 7 is transmission-connected to the support plate 6. A feeding pump 8 is fixedly arranged on the top of the base 1, and one end of the feeding pump 8 is connected to the cement tank 3 and the other end is connected to the cement nozzle 2 through a feeding pipe 9.

[0019] A fixing plate 402 is fixedly provided on the support frame 4 , and a limiting seat 101 is fixedly provided on the top of the base 1 near the support frame 4 .

[0020] The driving assembly 7 includes a driving motor 701, a crank 702, a limiting plate 703, and a connecting rod 704. The driving motor 701 is fixedly arranged on the fixed plate 402. The crank 702 is fixedly arranged at the output end of the driving motor 701. A slide groove is provided on the limiting plate 703. The other end of the crank 702 abuts against the inner wall of the slide groove. The driving motor 701 drives the crank 702 to perform a circular motion and then drives the limiting plate 703 to swing back and forth. One end of the connecting rod 704 abuts against the inner wall of the slide groove and the other end is rotatably connected to the bottom of the support plate 6. The reciprocating swing of the limiting plate 703 drives the support plate 6 to swing back and forth. The bottom of the limiting plate 703 is rotatably connected to the limiting seat 101. The limiting plate 703 is supported by this structural design.

[0021] The two ends of the connecting rod 704 are respectively hinged with rotating shafts 705, one of the rotating shafts 705 abuts against the inner wall of the slide groove, and the other rotating shaft 705 is rotatably connected to the end of the support plate 6. Through this structural design, the limit plate 703 drives the support plate 6 to rotate.

[0022] The top of the cement tank 3 is fixedly provided with a feed port, and the feed pipe 9 is fixedly provided on the outer ring of the cement tank 3 by a buckle.

[0023] A handle 102 is fixedly provided on the top of the base 1 near the cement tank 3 , and universal wheels 103 are fixedly provided at the four corners of the bottom of the base 1 .

[0024] When the device is in use, material is injected into the cement tank 3 through the feed port, and the material is pumped into the feed pipe 9 by the feed pump 8 and sprayed out through the cement nozzle 2. During the spraying process of the cement nozzle 2, the drive motor 701 is started to drive the crank 702 to perform circular motion, thereby driving the limit plate 703 to swing, and then driving the support plate 6 to swing back and forth through the connecting rod 704, so that the spraying range of the cement nozzle 2 is expanded.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A concrete spraying device, comprising a base (1) and a cement spraying head (2), characterized in that: A cement tank (3) is fixedly arranged near one end of the top of the base (1), a support frame (4) is fixedly arranged at the other end of the top of the base (1), a support rod (401) is fixedly arranged at the top of the support frame (4), a support seat (5) is fixedly arranged on the support rod (401), the top of the support seat (5) is rotatably connected to a support plate (6), the cement nozzle (2) is fixedly arranged on the top of the support plate (6), a driving assembly (7) is provided on the support frame (4), the driving assembly (7) is transmission-connected to the support plate (6), a feeding pump (8) is fixedly arranged on the top of the base (1), one end of the feeding pump (8) is connected to the cement tank (3) and the other end is connected to the cement nozzle (2) through a feeding pipe (9); A fixing plate (402) is fixedly provided on the support frame (4), and a limiting seat (101) is fixedly provided on the top of the base (1) near the support frame (4); The driving assembly (7) comprises a driving motor (701), a crank (702), a limiting plate (703), and a connecting rod (704); the driving motor (701) is fixedly arranged on the fixing plate (402); the crank (702) is fixedly arranged on the output end of the driving motor (701); a sliding groove is provided on the limiting plate (703); the other end of the crank (702) abuts against the inner wall of the sliding groove; one end of the connecting rod (704) abuts against the inner wall of the sliding groove and the other end is rotatably connected to the bottom of the support plate (6); the bottom of the limiting plate (703) is rotatably connected to the limiting seat (101); The two ends of the connecting rod (704) are respectively hinged with rotating shafts (705), one of the rotating shafts (705) abuts against the inner wall of the sliding groove, and the other rotating shaft (705) is rotatably connected to the end of the support plate (6).

2. A concrete spraying device according to claim 1, characterized in that: A feed port is fixedly provided on the top of the cement tank (3), and the feed pipe (9) is fixedly provided on the outer ring of the cement tank (3) by means of a buckle.

3. A concrete spraying device according to claim 1, characterized in that: A handle (102) is fixedly provided at the top of the base (1) near the cement tank (3), and universal wheels (103) are fixedly provided at the four corners of the bottom of the base (1).

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