Sprayed concrete charging barrel

Abstract

The utility model relates to a charging barrel, in particular to a shotcrete charging barrel. Comprising a supporting frame, a charging barrel, a discharging pipe, a feeding hopper, a valve, a mounting frame, a servo motor, a first gear, a second gear and the like. A charging barrel is arranged on the upper side of the supporting frame, a feeding port and a discharging port are formed in the upper side and the lower side of the charging barrel respectively, a discharging pipe is arranged at the discharging port, a valve is installed on the lower side of the discharging pipe, a mounting frame is arranged on the upper side of the charging barrel, a servo motor is arranged on the lower side of the mounting frame, a first gear is rotationally connected into the mounting frame, and an output shaft of the servo motor is connected with the first gear. A second gear is rotationally arranged on the upper side of the charging barrel and located in the mounting frame. The first gear and the second gear are driven by the servo motor to rotate to drive the first scraping plate and the second scraping plate to rotate on the inner wall of the charging barrel, concrete attached to the inner wall of the charging barrel is effectively scraped, and waste of concrete materials is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loading cylinder, especially a shotcrete loading cylinder. BACKGROUND

[0002] The shotcrete machine is a mechanical device for spraying the concrete mixture at high speed to the surface to form the structural layer. It is widely applied to the infrastructure construction and the repair engineering of the tunnel, the mine, the bridge, the dam and the like, especially in the case of needing the rapid construction, reinforcing the slope or the underground space lining, the loading cylinder is an important component in the shotcrete machine, and it is a container for loading the concrete mixture to be sprayed. In the wet spraying process, it is usually connected with the stirring device to ensure that the concrete can be mixed uniformly before being sprayed.

[0003] When the shotcrete work is carried out, the concrete is easily adhered to the inner wall of the loading cylinder, which not only causes the waste of the concrete material, but also makes the cleaning work extremely difficult when the concrete is hardened on the inner wall of the loading cylinder, seriously affects the continuous use of the loading cylinder and increases the maintenance cost. SUMMARY

[0004] In order to overcome the shortcoming that the concrete is easily adhered to the inner wall of the loading cylinder, the utility model provides a shotcrete loading cylinder.

[0005] The technical implementation scheme of the utility model is as follows: a shotcrete loading cylinder, which comprises a supporting frame, a loading cylinder, a discharge pipe, a feeding hopper, a valve, a mounting frame, a servo motor, a first gear, a second gear, a first scraper, a second scraper and a connecting rod, the upper side of the supporting frame is provided with the loading cylinder, the upper and lower sides of the loading cylinder are respectively provided with a feeding port and a discharge port, the discharge port is provided with the discharge pipe, the lower side of the discharge pipe is provided with the valve, the upper side of the loading cylinder is provided with the mounting frame, the lower side of the mounting frame is provided with the servo motor, the first gear is rotatably connected in the mounting frame, the output shaft of the servo motor is connected with the first gear, the upper side of the loading cylinder is rotatably provided with the second gear, the second gear is located in the mounting frame, the mounting frame and the second gear are both provided with a circular hole with the same size as the inner wall of the loading cylinder, the first gear is engaged with the second gear, the lower side of the second gear is provided with two first scrapers, the lower side of each of the two first scrapers is provided with a second scraper, the connecting rods are connected between the two first scrapers, and the upper side of the mounting frame is provided with the feeding hopper.

[0006] In addition, it is particularly preferred that the utility model further comprises a stirring piece and a stirring rod, the stirring piece is arranged between the two connecting rods, the stirring piece is provided with a plurality of stirring rods, and the stirring rod is provided with a blade.

[0007] In addition, it is particularly preferred that the utility model further comprises a screw rod, the screw rod is arranged in the middle of the lower connecting rod, and the screw rod is located in the discharge pipe.

[0008] In addition, it is particularly preferred that the middle part of the lower side of the charging cylinder is inclined, and the discharge port is located at the lowest part of the lower side of the charging cylinder.

[0009] In addition, it is particularly preferred that the feeding hopper is in the shape of a funnel with a large upper part and a small lower part, and the upper part protrudes outward and covers the mounting frame on one side close to the servo motor.

[0010] In addition, it is particularly preferred that the second scraper is inclined to match the lower side of the charging cylinder, and the first scraper and the second scraper are both in the shape of a circular arc on one side close to the charging cylinder, and both have a protruding middle part and sharp edges on the other side away from the charging cylinder.

[0011] The beneficial effects of the present utility model are as follows: 1. The rotation of the first gear and the second gear driven by the servo motor drives the first scraper and the second scraper to rotate on the inner wall of the charging cylinder, effectively scraping off the concrete adhered to the inner wall of the charging cylinder, avoiding the waste of concrete materials, preventing the hardening of concrete on the inner wall of the charging cylinder, and ensuring the continuous use of the charging cylinder and the uniform output of concrete.

[0012] 2. The setting of the stirring piece and the stirring rod makes the concrete in the charging cylinder more uniformly mixed, effectively preventing the occurrence of concrete clumping, improving the fluidity of the concrete and the construction efficiency; the design of the screw promotes the flow of the concrete, avoids the blockage of the concrete at the discharge port, and ensures the smoothness of the whole process from feeding to discharging, improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present utility model.

[0014] Figure 2 It is a sectional view of the support frame, the charging cylinder, the feeding hopper and other parts of the present utility model.

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the servo motor, the first gear and the second gear and other parts.

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the first scraper and the second scraper and other parts of the present utility model.

[0017] In the figure, the label name is: 1_ support frame, 2_ charging cylinder, 21_ discharge pipe, 22_ feeding hopper, 23_ valve, 3_ mounting frame, 4_ servo motor, 5_ first gear, 6_ second gear, 7_ first scraper, 71_ second scraper, 8_ connecting rod, 9_ screw, 10_ stirring piece, 11_ stirring rod. DETAILED DESCRIPTION

[0018] To make the purpose, technical scheme and advantages of the present application more clearly understood, the present application will be further described in detail below with reference to the specific embodiments and in conjunction with the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0019] A kind of shotcrete loading cylinder, as shown in Figures 1-4 It includes support frame 1, loading cylinder 2, discharge pipe 21, feed hopper 22, valve 23, mounting bracket 3, servo motor 4, first gear 5, second gear 6, first scraper 7, second scraper 71 and connecting rod 8, loading cylinder 2 is arranged on the upper side of support frame 1, the upper and lower sides of loading cylinder 2 are respectively provided with inlet and outlet, the outlet is provided with discharge pipe 21, the lower side of discharge pipe 21 is provided with valve 23, the upper side of loading cylinder 2 is provided with mounting bracket 3, mounting bracket 3 is wrapped around the outer side of the upper portion of loading cylinder 2, the lower side of mounting bracket 3 is provided with servo motor 4, first gear 5 is rotatably connected in mounting bracket 3, the output shaft of servo motor 4 extends into mounting bracket 3 and is connected with first gear 5, second gear 6 is rotatably arranged on the upper side of loading cylinder 2, second gear 6 is located in mounting bracket 3, the middle part of mounting bracket 3 and second gear 6 is respectively provided with a circular hole with the same size as the inner wall of loading cylinder 2, the circular hole is correspondingly arranged with the center of the inlet of loading cylinder 2, first gear 5 is engaged with second gear 6, the lower side of second gear 6 is provided with two first scrapers 7, the lower side of the two first scrapers 7 is respectively provided with second scraper 71, first scraper 7 and second scraper 71 are closely attached to the inner wall of loading cylinder 2, connecting rod 8 is connected between the upper and lower sides of the two first scrapers 7, feed hopper 22 is arranged on the upper side of mounting bracket 3, and feed hopper 22 is located directly above the inlet of loading cylinder 2.

[0020] When in use, concrete is poured into loading cylinder 2 through feed hopper 22, valve 23 is opened, concrete is discharged through the outlet and discharge pipe 21, servo motor 4 is started, servo motor 4 drives first gear 5 to rotate, first gear 5 drives second gear 6 engaged therewith to rotate, second gear 6 drives first scraper 7 and second scraper 71 to rotate on the inner wall of loading cylinder 2, first scraper 7 and second scraper 71 scrape the concrete adhered to the inner wall of loading cylinder 2, which prevents the waste of concrete material and avoids the problem that the hardened concrete on the inner wall of loading cylinder 2 is difficult to clean, thereby ensuring the continuous use of loading cylinder 2 and the uniform output of concrete.

[0021] As Figure 2As shown, it also comprises the stirring piece 10 and the stirring rod 11, the stirring piece 10 is arranged between the middle portions of the two connecting rods 8, a plurality of stirring rods 11 are arranged on the stirring piece 10, the stirring rods 11 are arranged in an up-down interval, the angle between each stirring rod 11 is 120 degrees, and blades are arranged on the stirring rods 11; while the first scraper 7 and the second scraper 71 rotate, the stirring piece 10 and the stirring rod 11 can stir the concrete, so that the mixing is more uniform, meanwhile the blades will continuously cut the concrete, effectively preventing the occurrence of concrete caking phenomenon, thereby improving the fluidity of the concrete and improving the construction efficiency.

[0022] As shown, Figure 2 As shown, it also comprises the screw rod 9, the screw rod 9 is arranged in the middle portion of the lower connecting rod 8, the screw rod 9 is located inside the discharge pipe 21 and above the valve 23; while the first scraper 7 and the second scraper 71 rotate, the screw rod 9 also rotates, thereby promoting the flow of the concrete and ensuring the smoothness of the discharging process.

[0023] The lower middle portion of the charging cylinder 2 is inclined, and the discharge port is located at the lowest portion of the lower side of the charging cylinder 2; the shape design of the charging cylinder 2 ensures that the concrete can flow smoothly to the discharge port, facilitating the discharge of the concrete, avoiding the retention or accumulation of the concrete in the charging cylinder 2, and improving the construction efficiency.

[0024] The feeding hopper 22 is in the shape of a funnel with a large upper portion and a small lower portion, the lower portion is circular and has the same size as the feeding port, and the upper portion protrudes outward and covers the mounting frame 3 near the side of the servo motor 4; the shape design of the feeding hopper 22 facilitates the pouring of the concrete, reduces the overflow or scattering, and is conducive to the natural flow of the concrete to the charging cylinder 2 under the action of gravity, and the protruding portion covers the mounting frame 3, preventing the concrete from scattering onto the mounting frame 3 when pouring.

[0025] The second scraper 71 is inclined and matches the lower side of the charging cylinder 2, the side of the first scraper 7 and the second scraper 71 close to the charging cylinder 2 is in the shape of a circular arc matching the inner wall of the charging cylinder 2, and the side away from the charging cylinder 2 is protruding in the middle portion, the shape of the two sides is sharp, and the lengths of the first scraper 7 and the second scraper 71 are the same as the vertical portion and the inclined portion of the charging cylinder 2 respectively; the scraper can closely adhere to the inner wall of the charging cylinder 2, better scraping the concrete adhered to the inner wall, and ensuring that there is no residue on the inner wall of the charging cylinder 2.

[0026] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A shotcrete loading cylinder, comprising a support frame (1), a loading cylinder (2), and a discharge pipe (21), wherein the loading cylinder (2) is provided on the upper side of the support frame (1), and the loading cylinder (2) has an inlet and an outlet on its upper and lower sides respectively, and the discharge pipe (21) is provided at the outlet, characterized in that: It also includes a feed hopper (22), a valve (23), a mounting bracket (3), a servo motor (4), a first gear (5), and a second gear (6). The first scraper (7), the second scraper (71) and the connecting rod (8) are provided. A valve (23) is installed on the lower side of the discharge pipe (21). A mounting frame (3) is provided on the upper side of the loading cylinder (2). A servo motor (4) is provided on the lower side of the mounting frame (3). A first gear (5) is rotatably connected inside the mounting frame (3). The output shaft of the servo motor (4) is connected to the first gear (5). A second gear (6) is rotatably provided on the upper side of the loading cylinder (2). The second gear (6) is located inside the mounting frame (3). A round hole of the same size as the inner wall of the loading cylinder (2) is opened in the middle of the mounting frame (3) and the second gear (6). The first gear (5) meshes with the second gear (6). Two first scrapers (7) are provided on the lower side of the second gear (6). A second scraper (71) is provided on the lower side of the two first scrapers (7). A connecting rod (8) is connected between the two first scrapers (7) at the top and bottom. A feed hopper (22) is provided on the upper side of the mounting frame (3).

2. A shotcrete loading cylinder according to claim 1, characterized in that: It also includes a stirring component (10) and stirring rods (11). The stirring component (10) is located between the two connecting rods (8). The stirring component (10) is provided with multiple stirring rods (11), and the stirring rods (11) are provided with blades.

3. A shotcrete loading cylinder according to claim 2, characterized in that: It also includes a screw (9), with the screw (9) located in the middle of the lower connecting rod (8), and the screw (9) is located inside the discharge pipe (21).

4. A shotcrete loading cylinder according to claim 3, characterized in that: The lower middle part of the loading cylinder (2) is inclined, and the discharge port is located at the lowest point of the lower side of the loading cylinder (2).

5. A shotcrete loading cylinder according to claim 4, characterized in that: The feed hopper (22) is funnel-shaped with a larger top and a smaller bottom, and the upper part protrudes outward from the side near the servo motor (4) and covers the mounting bracket (3).

6. A shotcrete loading cylinder according to claim 5, characterized in that: The second scraper (71) is inclined to fit the lower side of the loading cylinder (2). The side of the first scraper (7) and the second scraper (71) close to the loading cylinder (2) is an arc shape that fits the inner wall of the loading cylinder (2), and the side away from the loading cylinder (2) is a shape with a protruding center and sharp sides.

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