Protective structure and concrete spraying nozzle thereof

Abstract

The utility model relates to the technical field of concrete construction, and discloses a protective structure and a concrete spraying nozzle thereof. The protection structure comprises a first protection plate and a second protection plate, the first protection plate is arranged outside the first limiting sleeve, the second protection plate is arranged outside the first limiting sleeve, and the first protection plate is arranged above the second protection plate; the connecting structure comprises a second limiting sleeve, and the second limiting sleeve is fixedly installed on the outer wall of one side of the first limiting sleeve; and the first shifting rod is fixedly installed on the outer wall of the first limiting sleeve to achieve the purpose of protecting the device, splashing concrete grout is shielded, the use safety of the device is improved, the splashing concrete is prevented from hurting workers, the service life of the device is prolonged, and the durability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete construction, in particular to a protective structure and a concrete spraying nozzle thereof. Background Art

[0002] In modern construction and civil engineering, the importance of protective structures is self-evident. In particular, in concrete spraying operations that require fast, efficient and stable quality, traditional nozzle designs often fail to meet the requirements. In existing concrete spraying technologies, nozzle designs often have some problems, such as uneven spraying, easy clogging, and limited spraying distance. These problems not only affect the efficiency and quality of concrete spraying, but may also pose a threat to the safety of construction workers.

[0003] The utility model with announcement number CN218340164U discloses a nozzle for an asphalt concrete pavement maintenance and infiltration device, including a nozzle body and a dirt baffle plate arranged in the inner cavity of the nozzle body and having the same curvature as the nozzle body, wherein the nozzle body includes a protective sleeve portion, a nozzle head portion, a connection structure and a limit mechanism. The utility model is a nozzle for an asphalt concrete pavement maintenance and infiltration device, because the protective sleeve portion and the nozzle head portion are connected by a connection assembly, it is convenient to quickly disassemble and assemble the nozzle head portion and the protective sleeve portion, remove the dirt baffle plate and clean or replace the dirt baffle plate. In this process, only the nozzle head portion needs to be disassembled and assembled, and there is no need to remove the protective sleeve portion and the pipeline, which effectively improves the work efficiency of the staff.

[0004] However, the above patent still has the following problems: during the spraying process, part of the concrete will splash on both sides of the nozzle, and the workers will be injured when holding the device for spraying. The protective effect of the device is not good, the protective mechanism of the device needs to be improved, the protective mechanism will be damaged after a period of use, and the protective mechanism needs to be replaced regularly, and the connecting mechanism of the device needs to be improved.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above-mentioned technical problem of poor nozzle protection effect, the basic concept of the technical solution adopted by the utility model is:

[0007] A protective structure comprising:

[0008] A first limiting sleeve, which is in the shape of a hollow cylinder;

[0009] The protection component includes a first protection plate and a second protection plate, the first protection plate is arranged outside the first limiting sleeve, the second protection plate is arranged outside the first limiting sleeve, and the first protection plate is arranged above the second protection plate;

[0010] The connecting component and the connecting structure include a second limiting sleeve, and the second limiting sleeve is fixedly mounted on an outer wall of one side of the first limiting sleeve;

[0011] The first shifting rod is fixedly mounted on the outer wall of the first limiting sleeve.

[0012] As a preferred embodiment of the utility model, the protective component also includes two groups of third limiting plates arranged between the first protective plate and the second protective plate, a fourth limiting plate is fixedly installed at one end of the third limiting plate, a group of first thread groove plates are fixedly installed on the outer walls on both sides of the fourth limiting plate, and two groups of third thread grooves are opened on the outer walls on one side of the first protective plate and the second protective plate.

[0013] As a preferred embodiment of the utility model, the protective component also includes four groups of second limiting bolts arranged on the outside of the first limiting sleeve, the second limiting bolts are spirally installed on the inside of the first thread groove plate and the third thread groove, and a hole is opened inside the fourth limiting plate, and a drainage board is fixedly installed in the hole.

[0014] As a preferred embodiment of the utility model, the connecting component also includes a first annular groove opened inside the second limiting sleeve, a second fixed ring plate is rotatably installed inside the first annular groove, the first fixed ring plate is fixedly installed at one end of the second fixed ring plate, a third limiting sleeve is fixedly installed on one side outer wall of the first fixed ring plate, a second threaded sleeve is opened inside the first limiting sleeve, and a first arc plate and a second arc plate are fixedly installed on one side outer wall of the third limiting sleeve.

[0015] As a preferred embodiment of the utility model, the connecting structure also includes a first arc-shaped clamping groove opened in the interior of the first arc plate and the second arc plate, four groups of first threaded grooves are opened in the interior of each group of first arc-shaped clamping grooves, the first arc-shaped clamping plate and the second arc-shaped clamping plate are respectively clamped and installed in the interiors of the two groups of first arc-shaped clamping grooves, two groups of second threaded grooves are opened in the interiors of the first arc-shaped clamping plate and the second arc-shaped clamping plate, a first limiting bolt is arranged in the interior of the second threaded groove, the first limiting bolt is spirally installed in the interior of the first threaded groove, one side outer wall of the first protective plate is fixedly connected to one side outer wall of the first arc-shaped clamping plate, and one side outer wall of the second protective plate is fixedly connected to one side outer wall of the second arc-shaped clamping plate.

[0016] As a preferred embodiment of the utility model, the connecting component also includes four groups of first limiting plates fixedly installed between the first arc-shaped clamping plate and the second arc-shaped clamping plate, two groups of first limiting plates have first clamping grooves opened inside, and the other two groups of first limiting plates have second clamping grooves opened inside, and one side outer wall of each group of third limiting plates has a group of first clamping plates and a group of second clamping plates fixedly installed, the first clamping plate is clamped and installed inside the first clamping groove, and the second clamping plate is clamped and installed inside the second clamping plate.

[0017] A protective structure shotcrete nozzle comprises the protective structure described above and a nozzle body, wherein the nozzle body is arranged inside a first limiting sleeve, an output pipe is fixedly installed at one end of the nozzle body, a first threaded sleeve is fixedly installed on the outer wall of the nozzle body, and a second threaded sleeve is spirally installed on the outer wall of the first threaded sleeve.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. To achieve the purpose of protecting the device, shield the splashing concrete slurry, improve the safety of the device, prevent the splashing concrete from causing harm to workers, extend the service life of the device, and improve the durability of the device.

[0020] 2. To achieve the purpose of connecting and fixing the device, to facilitate workers to quickly install the device, to improve the convenience of using the device, and to facilitate disassembly and maintenance of the device.

[0021] 3. The protective components are connected and fixed to the spray nozzle, which improves the protective effect and convenience of concrete spraying operations, reduces the work pressure of workers, and optimizes the user experience of the device.

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In the attached picture:

[0024] Figure 1 It is a front view of the utility model;

[0025] Figure 2 This is a three-dimensional diagram of the nozzle main structure of the utility model;

[0026] Figure 3 This is a three-dimensional diagram of the first threaded sleeve structure of the utility model;

[0027] Figure 4 This is a disassembled diagram of the second threaded sleeve of the utility model;

[0028] Figure 5 This is a disassembled diagram of the third limiting sleeve of the utility model;

[0029] Figure 6 This is a disassembled view of the first arc-shaped clamping plate of the utility model;

[0030] Figure 7 This is a disassembled view of the first fixed ring plate of the utility model;

[0031] Figure 8 This is a three-dimensional diagram of the first protective plate structure of the present utility model.

[0032] In the figure: 10, nozzle body; 11, output pipe; 12, first threaded sleeve; 13, first limiting sleeve; 14, first lever; 15, second threaded sleeve; 16, second limiting sleeve; 17, first annular slide groove; 18, third limiting sleeve; 19, first fixed ring plate; 20, second fixed ring plate; 21, first arc-shaped clamping groove; 22, first threaded groove; 23, first arc-shaped clamping plate; 24, second arc-shaped clamping plate; 25, The second thread groove; 26, the first limiting bolt; 27, the first limiting plate; 28, the first clamping groove; 29, the second clamping groove; 30, the first protective plate; 31, the second protective plate; 32, the third limiting plate; 33, the fourth limiting plate; 34, the first thread groove plate; 35, the drain plate; 36, the second limiting bolt; 37, the third thread groove; 38, the first clamping plate; 39, the second clamping plate; 40, the first arc plate; 41, the second arc plate. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0034] Embodiment 1: A protective structure and a sprayed concrete nozzle thereof, specifically Figure 1 As shown, it includes: a first limiting sleeve 13, which is in a hollow cylindrical shape; a protective component, the protective structure includes a first protective plate 30 and a second protective plate 31, the first protective plate 30 is arranged outside the first limiting sleeve 13, the second protective plate 31 is arranged outside the first limiting sleeve 13, and the first protective plate 30 is arranged above the second protective plate 31; a connecting component, the connecting structure includes a second limiting sleeve 16, the second limiting sleeve 16 is fixedly installed on one side of the outer wall of the first limiting sleeve 13; a first lever 14, the first lever 14 is fixedly installed on the outer wall of the first limiting sleeve 13. The nozzle is protected by the protective component, and the protective component is quickly installed by the connecting component.

[0035] Specific as Figure 1 , Figure 2 , Figure 6 , Figure 7and Figure 8 As shown, the protective component also includes two groups of third limiting plates 32 arranged between the first protective plate 30 and the second protective plate 31, a fourth limiting plate 33 is fixedly installed at one end of the third limiting plate 32, a group of first thread groove plates 34 are fixedly installed on both sides of the outer wall of the fourth limiting plate 33, and two groups of third thread grooves 37 are opened on one side of the outer wall of the first protective plate 30 and the second protective plate 31. The splashing concrete is shielded by the first protective plate 30 and the second protective plate 31, and the protective plates are made of wear-resistant and impact-resistant materials.

[0036] Specific as Figure 1 , Figure 2 , Figure 6 , Figure 7 and Figure 8 As shown, the protective component also includes four groups of second limiting bolts 36 arranged outside the first limiting sleeve 13, the second limiting bolts 36 are screwedly installed inside the first thread groove plate 34 and the third thread groove 37, and the fourth limiting plate 33 has a hole opened inside, and a drain plate 35 is fixedly installed in the hole. The second limiting bolts 36 are rotated, and the second limiting bolts 36 are screwedly installed inside the first thread groove plate 34 and the third thread groove 37 in sequence, and the fourth limiting plate 33 is limited and fixed between the first protective plate 30 and the second protective plate 31, and the residual concrete slurry water is discharged through the drain plate 35.

[0037] According to the above conclusions, through the structure of the first protective plate 30, the second protective plate 31, the third limiting plate 32, the fourth limiting plate 33, the first threaded groove plate 34, the drainage plate 35, the second limiting bolt 36 and the third threaded groove 37, the purpose of protecting the device is achieved, the splashing concrete slurry is blocked, the safety of the device is improved, the splashing concrete is prevented from causing harm to the workers, the service life of the device is extended, and the durability of the device is improved.

[0038] Embodiment 2: Based on Embodiment 1, the specific Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the connecting component also includes a first annular slot 17 provided inside the second limiting sleeve 16, a second fixed ring plate 20 is rotatably installed inside the first annular slot 17, a first fixed ring plate 19 is fixedly installed at one end of the second fixed ring plate 20, a third limiting sleeve 18 is fixedly installed on one side outer wall of the first fixed ring plate 19, a second threaded sleeve 15 is provided inside the first limiting sleeve 13, and a first arc plate 40 and a second arc plate 41 are fixedly installed on one side outer wall of the third limiting sleeve 18. The second fixed ring plate 20 is rotatably installed inside the first annular slot 17, and the third limiting sleeve 18 rotates on one side of the first limiting sleeve 13. When the first lever 14 is moved and the first limiting sleeve 13 rotates, the third limiting sleeve 18 will not rotate accordingly.

[0039] Specific as Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, the connection structure also includes a first arc-shaped clamping groove 21 opened inside the first arc-shaped plate 40 and the second arc-shaped plate 41, and four groups of first thread grooves 22 are opened inside each group of first arc-shaped clamping grooves 21, and the first arc-shaped clamping plate 23 and the second arc-shaped clamping plate 24 are respectively clamped and installed inside the two groups of first arc-shaped clamping grooves 21, and two groups of second thread grooves 25 are opened inside the first arc-shaped clamping plate 23 and the second arc-shaped clamping plate 24, and the first limiting bolt 26 is arranged inside the second thread groove 25, and the first limiting bolt 26 is spirally installed inside the first thread groove 22, and one side outer wall of the first protective plate 30 is fixedly connected to one side outer wall of the first arc-shaped clamping plate 23, and one side outer wall of the second protective plate 31 is fixedly connected to one side outer wall of the second arc-shaped clamping plate 24. The first arc-shaped clamping plate 23 and the second arc-shaped clamping plate 24 are clamped and placed inside the two groups of first arc-shaped clamping grooves 21, the first limiting bolt 26 is rotated, and the first limiting bolt 26 is screwed and installed in the second thread groove 25 and the first thread groove 22 in sequence, and the first arc-shaped clamping plate 23 and the second arc-shaped clamping plate 24 are fixedly installed inside the first arc plate 40 and the second arc plate 41.

[0040] Specific as Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7As shown, the connecting component also includes four groups of first limit plates 27 fixedly installed between the first arc-shaped clamping plate 23 and the second arc-shaped clamping plate 24, two groups of first limit plates 27 are provided with first clamping grooves 28, and the other two groups of first limit plates 27 are provided with second clamping grooves 29, and one side outer wall of each group of third limit plates 32 is fixedly installed with one group of first clamping plates 38 and one group of second clamping plates 39, the first clamping plates 38 are clamped and installed in the first clamping grooves 28, and the second clamping plates 39 are clamped and installed in the second clamping plates 39. The first clamping plates 38 and the second clamping plates 39 are clamped and installed in the first clamping grooves 28 and the second clamping grooves 29, respectively, and the third limit plate 32 is fixedly installed between the first protective plate 30 and the second protective plate 31.

[0041] According to the above conclusions, through the structure of the second threaded sleeve 15, the second limiting sleeve 16, the first annular groove 17, the third limiting sleeve 18, the first fixed ring plate 19, the second fixed ring plate 20, the first arc-shaped clamping groove 21, the first threaded groove 22, the first arc-shaped clamping plate 23, the second arc-shaped clamping plate 24, the second threaded groove 25, the first limiting bolt 26, the first limiting plate 27, the first clamping groove 28, the second clamping groove 29, the first protective plate 30, the second protective plate 31, the first clamping plate 38 and the second clamping plate 39, the purpose of connecting and fixing the device is achieved, which is convenient for workers to quickly install the device, improves the convenience of using the device, and facilitates disassembly and maintenance of the device.

[0042] Embodiment 3: Based on Embodiment 1 and Embodiment 2, the specific Figure 1 , Figure 2 and Figure 3 As shown, a protective structure shotcrete nozzle comprises the protective structure described above and a nozzle body 10, wherein the nozzle body 10 is arranged inside a first limiting sleeve 13, an output pipe 11 is fixedly installed at one end of the nozzle body 10, a first threaded sleeve 12 is fixedly installed on the outer wall of the nozzle body 10, and a second threaded sleeve 15 is screwedly installed on the outer wall of the first threaded sleeve 12. The first lever 14 is rotated to drive the first limiting sleeve 13 to rotate, the second threaded sleeve 15 is screwedly installed on the outer wall of the first threaded sleeve 12, and the first limiting sleeve 13 is installed on the outer wall of the nozzle body 10, and the concrete slurry water is output through the output pipe 11.

[0043] In summary, through the structure of the nozzle body 10, the output pipe 11, the first threaded sleeve 12, the first limiting sleeve 13, the first lever 14 and the second threaded sleeve 15, the protective component is connected and fixed to the injection nozzle, which improves the protective effect and convenience of concrete spraying operation, reduces the work pressure of workers, and optimizes the user experience of the device.

[0044] Working principle: By rotating the first lever 14 outside the nozzle, the first limiting sleeve 13 can be driven to rotate, so that the second threaded sleeve 15 is installed on the outer wall of the first threaded sleeve 12 by means of a spiral connection, so as to realize the fixed connection between the nozzle body 10 and the protective structure. Once the installation is completed, the concrete slurry can be output through the output pipe 11, and the splash of concrete can be reduced under the protection of the first protective plate 30 and the second protective plate 31. At the same time, a drainage plate 35 is also provided inside the protective structure to discharge the residual concrete slurry.

[0045] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A protective structure, characterized in that: include: A first limiting sleeve (13), the first limiting sleeve (13) is in the shape of a hollow cylinder; A protection component, wherein the protection structure comprises a first protection plate (30) and a second protection plate (31), wherein the first protection plate (30) is arranged outside the first limiting sleeve (13), the second protection plate (31) is arranged outside the first limiting sleeve (13), and the first protection plate (30) is arranged above the second protection plate (31); A connecting component, wherein the connecting structure comprises a second limiting sleeve (16), wherein the second limiting sleeve (16) is fixedly mounted on an outer wall of one side of the first limiting sleeve (13); A first shifting rod (14) is fixedly mounted on the outer wall of the first limiting sleeve (13).

2. The protective structure according to claim 1, characterized in that: The protective component further comprises two groups of third limit plates (32) arranged between the first protective plate (30) and the second protective plate (31); a fourth limit plate (33) is fixedly mounted on one end of the third limit plate (32); a group of first thread groove plates (34) are fixedly mounted on both side outer walls of the fourth limit plate (33); and two groups of third thread grooves (37) are provided on one side outer walls of the first protective plate (30) and the second protective plate (31).

3. The protective structure according to claim 1, characterized in that: The protective component also includes four groups of second limiting bolts (36) arranged outside the first limiting sleeve (13), the second limiting bolts (36) are screwedly installed inside the first thread groove plate (34) and the third thread groove (37), and the fourth limiting plate (33) is provided with a hole inside, and a drainage plate (35) is fixedly installed in the hole.

4. The protective structure according to claim 1, characterized in that: The connecting component further comprises a first annular sliding groove (17) provided inside the second limiting sleeve (16); a second fixed ring plate (20) is rotatably mounted inside the first annular sliding groove (17); a first fixed ring plate (19) is fixedly mounted on one end of the second fixed ring plate (20); a third limiting sleeve (18) is fixedly mounted on one side outer wall of the first fixed ring plate (19); a second threaded sleeve (15) is provided inside the first limiting sleeve (13); and a first arc plate (40) and a second arc plate (41) are fixedly mounted on one side outer wall of the third limiting sleeve (18).

5. The protective structure according to claim 1, characterized in that: The connection structure further comprises first arc-shaped clamping grooves (21) provided inside the first arc-shaped plate (40) and the second arc-shaped plate (41); four groups of first thread grooves (22) are provided inside each group of first arc-shaped clamping grooves (21); the first arc-shaped clamping plate (23) and the second arc-shaped clamping plate (24) are respectively clamped and installed inside the two groups of first arc-shaped clamping grooves (21); two groups of second thread grooves (25) are provided inside the first arc-shaped clamping plate (23) and the second arc-shaped clamping plate (24); a first limiting bolt (26) is provided inside the second thread groove (25); the first limiting bolt (26) is screwed inside the first thread groove (22); one side outer wall of the first protective plate (30) is fixedly connected to one side outer wall of the first arc-shaped clamping plate (23); and one side outer wall of the second protective plate (31) is fixedly connected to one side outer wall of the second arc-shaped clamping plate (24).

6. The protective structure according to claim 1, characterized in that: The connecting component also includes four groups of first limit plates (27) fixedly mounted between the first arc-shaped clamping plate (23) and the second arc-shaped clamping plate (24); two groups of first limit plates (27) are provided with first clamping grooves (28) inside, and the other two groups of first limit plates (27) are provided with second clamping grooves (29) inside. One side outer wall of each group of third limit plates (32) is fixedly mounted with a group of first clamping plates (38) and a group of second clamping plates (39); the first clamping plates (38) are clamped and mounted inside the first clamping grooves (28), and the second clamping plates (39) are clamped and mounted inside the second clamping plates (39).

7. A protective structure shotcrete nozzle, characterized in that: It comprises the protective structure and the nozzle body (10) as described in any one of claims 1 to 6, the nozzle body (10) is arranged inside a first limiting sleeve (13), an output pipe (11) is fixedly installed at one end of the nozzle body (10), a first threaded sleeve (12) is fixedly installed on the outer wall of the nozzle body (10), and a second threaded sleeve (15) is spirally installed on the outer wall of the first threaded sleeve (12).

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