Concrete hopper for duct piece prefabrication

Abstract

The utility model belongs to the technical field of prefabrication of water conservancy pipe pieces, and particularly relates to a concrete hopper for pipe piece prefabrication, which comprises a bottom plate, a rotary stirring mechanism is arranged on the bottom plate, and a discharging mechanism is arranged below the rotary stirring mechanism. Concrete in a hopper is effectively and continuously stirred through an arranged rotary stirring mechanism, a first material guide pipe and a circular hopper barrel are driven to rotate through an arranged rotating assembly, a first motor is started to drive a driving bevel gear and a driven bevel gear arranged on one side of the driving bevel gear in a meshed mode to rotate, and a first rotating shaft and a stirring assembly are driven to rotate; concrete in the circular hopper barrel is continuously stirred, an electric telescopic rod is started to drive a bearing frame, a first motor and a driving bevel gear to longitudinally move, so that a driven bevel gear and the driving bevel gear can be separated and closed, the continuous stirring effect of the concrete is guaranteed, concrete mixing is more uniform, concrete deposition is avoided, and the service life of the concrete is prolonged. And the forming uniformity of the duct piece is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of precast water conservancy segments, and particularly relates to a concrete hopper for segment precasting. Background Technique

[0002] In the process of segment precasting, concrete pouring is an important link in segment precasting production. Precast water conservancy segments are prepared by pouring concrete into a mold equipped with a steel structure and then through steam curing. Precast water conservancy segments need to bear the groundwater pressure and block the seepage of groundwater to ensure the safety of the tunnel.

[0003] In the existing related technologies, a hopper is needed for pouring segments on construction sites, but the concrete in the hopper cannot be continuously stirred. Therefore, there is an urgent need to design a concrete hopper for segment precasting to solve these problems. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model discloses a concrete hopper for segment precasting.

[0005] The utility model realizes the above purpose through the following technical solutions:

[0006] A concrete hopper for segment precasting includes a bottom plate, a rotary stirring mechanism is arranged on the bottom plate, and a discharging mechanism is arranged below the rotary stirring mechanism.

[0007] The rotary stirring mechanism includes an L-shaped frame body arranged above the bottom plate, a circular hopper cylinder is installed on the L-shaped frame body, a first guide pipe is arranged below the circular hopper cylinder, a rotary assembly is installed on the outer surface of the first guide pipe, a first rotating shaft is arranged in the circular hopper cylinder, a stirring assembly is arranged on the outer surface of the first rotating shaft, a driven bevel gear is installed at one end of the first rotating shaft, a driving bevel gear is meshed on one side of the driven bevel gear, a first motor is installed on the driving bevel gear, a bearing frame is arranged below the first motor, and an electric telescopic rod is arranged on one side of the bearing frame.

[0008] Preferably, the discharging mechanism includes a square pipe body arranged below the rotary stirring mechanism, a screw conveyor assembly is transversely arranged in the square pipe body, a second guide pipe is installed below the square pipe body, first connecting shafts are installed on the front and rear sides of the square pipe body, a first connecting plate is installed on the outer surface of the first connecting shaft, first telescopic hydraulic cylinders are arranged on the front and rear sides of the first connecting plate, a telescopic discharging assembly is arranged on the first connecting plate, and a second telescopic hydraulic cylinder is arranged on the telescopic discharging assembly.

[0009] Preferably, the rotary assembly includes a worm gear arranged on the outer surface of the first guide pipe, a worm is meshed on one side of the worm gear, and a driving motor is arranged at one end of the worm.

[0010] Preferably, the stirring assembly includes stirring blades arranged on the outer surface of the first rotating shaft, and stirring scrapers are arranged on one side of the stirring blades.

[0011] Preferably, the auger assembly includes a second rotating shaft arranged in the square pipe body, a second motor is installed at one end of the second rotating shaft, and auger blades are installed on the outer surface of the second rotating shaft.

[0012] Preferably, the telescopic discharging assembly includes a hollow plate arranged on the first connecting plate, and a telescopic hopper is arranged inside the hollow plate.

[0013] The beneficial effects are as follows:

[0014] The utility model discloses a concrete hopper for segment prefabrication. Through the arranged rotary stirring mechanism, the concrete in the hopper is effectively and continuously stirred. Through the arranged rotating assembly, the first guide pipe and the circular hopper barrel are driven to rotate. The first motor is started to drive the driving helical gear, which meshes with the driven helical gear arranged on one side and drives the first rotating shaft and the stirring assembly to rotate, continuously stirring the concrete in the circular hopper barrel. The electric telescopic rod is opened to drive the bearing frame, the first motor and the driving helical gear to move longitudinally, so that the driven helical gear and the driving helical gear can be separated and closed, ensuring the continuous stirring effect of the concrete, making the mixing of the concrete more uniform, avoiding the deposition of the concrete, and improving the uniformity of the segment forming. Description of the Drawings

[0015] Figure 1 is the isometric view of the shaft of the utility model;

[0016] Figure 2 is the front view of the utility model;

[0017] Figure 3 is the first view of the utility model;

[0018] Figure 4 is the second view of the utility model;

[0019] Figure 5 is Figure 4 the structural view of part A in

[0020] In the figure: 1, bottom plate;

[0021] 2, rotary stirring mechanism; 201, L-shaped frame; 202, circular hopper barrel; 203, first guide pipe; 204, worm gear; 2041, worm; 2042, drive motor; 205, first rotating shaft; 2051, stirring blade; 206, stirring scraper; 207, driven helical gear; 208, driving helical gear; 209, first motor; 210, bearing frame; 211, electric telescopic rod; 212, feeding pipe; 213, top cover;

[0022] 3. Discharging mechanism; 301. Square pipe body; 302. Second motor; 303. Second rotating shaft; 304. Auger blade; 305. Second material guide pipe; 306. First connecting shaft; 307. First connecting plate; 308. First telescopic hydraulic cylinder; 309. Hollow plate; 310. Second telescopic hydraulic cylinder; 311. Telescopic hopper. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0026] Referring to Figures 1-5 , an embodiment provided by the present invention: a concrete hopper for segment prefabrication, including a bottom plate 1, a rotary stirring mechanism 2 is arranged on the bottom plate 1, and a discharging mechanism 3 is arranged below the rotary stirring mechanism 2.

[0027] In this embodiment: The rotary stirring mechanism 2 includes an L-shaped frame body 201 arranged above the bottom plate 1. A circular hopper cylinder 202 is installed on the L-shaped frame body 201. A first guide pipe 203 is arranged below the circular hopper cylinder 202. A rotary assembly is installed on the outer surface of the first guide pipe 203. A first rotating shaft 205 is arranged inside the circular hopper cylinder 202. A stirring assembly is arranged on the outer surface of the first rotating shaft 205. One end of the first rotating shaft 205 is installed with a driven bevel gear 207. A driving bevel gear 208 is meshed and arranged on one side of the driven bevel gear 207. A first motor 209 is installed on the driving bevel gear 208. A bearing frame 210 is arranged below the first motor 209. An electric telescopic rod 211 is arranged on one side of the bearing frame 210. The electric telescopic rod 211 is used to drive the bearing frame 210 to move longitudinally. The rotary assembly includes a worm gear 204 arranged on the outer surface of the first guide pipe 203. A worm 2041 is meshed and arranged on one side of the worm gear 204. One end of the worm 2041 is provided with a driving motor 2042. The rotary assembly is used to drive the circular hopper cylinder 202 to rotate continuously. The stirring assembly includes stirring blades 2051 arranged on the outer surface of the first rotating shaft 205. A stirring scraper 206 is arranged on one side of the stirring blades 2051. The stirring scraper 206 is in contact with the inner wall of the circular hopper cylinder 202 and is used to scrape the concrete on the inner wall of the circular hopper cylinder 202. The stirring assembly is used to stir the concrete in the circular hopper cylinder 202. A top cover 213 is arranged on the circular hopper cylinder 202. A feeding pipe 212 is installed on the top cover 213. A one-way electromagnetic switch valve is installed on the first guide pipe 203.

[0028] In this embodiment: The discharging mechanism 3 includes a square pipe body 301 arranged below the rotary stirring mechanism 2. A screw conveyor assembly is arranged horizontally inside the square pipe body 301. A second guide pipe 305 is installed below the square pipe body 301. First connecting shafts 306 are installed on the front and rear sides of the square pipe body 301. First connecting plates 307 are installed on the outer surfaces of the first connecting shafts 306. First telescopic hydraulic cylinders 308 are arranged on the front and rear sides of the first connecting plates 307. A telescopic discharging assembly is arranged on the first connecting plates 307. The first telescopic hydraulic cylinders 308 are used to drive the telescopic discharging assembly to move up and down. A second telescopic hydraulic cylinder 310 is arranged on the telescopic discharging assembly. The screw conveyor assembly includes a second rotating shaft 303 arranged inside the square pipe body 301. A second motor 302 is installed at one end of the second rotating shaft 303. Screw blades 304 are installed on the outer surface of the second rotating shaft 303. Anticorrosive materials are installed on the outer surface of the screw blades 304. The screw conveyor assembly is used to transport the concrete. The telescopic discharging assembly includes a hollow plate 309 arranged on the first connecting plate 307. A telescopic hopper 311 is arranged inside the hollow plate 309. The second telescopic hydraulic cylinder 310 is used to drive the telescopic hopper 311 to move telescopically.

[0029] Working principle: When in use, first start the electric telescopic rod 211 to push the carrier 210 to move longitudinally, driving the first motor 209 and the driving bevel gear 208 to move, so that the driving bevel gear 208 meshes with the driven bevel gear 207. Start the first motor 209 to drive the first rotating shaft 205 and the mixing assembly to rotate, and put the mixed concrete into the circular hopper cylinder 202 from the feeding pipe 212. The mixing assembly in the circular hopper cylinder 202 fully mixes the concrete. After mixing for a period of time, stop. Start the electric telescopic rod 211 to drive the carrier 210 and the driving bevel gear 208 to move longitudinally, so that the driving bevel gear 208 and the driven bevel gear 207 are completely separated. Start the driving motor 2042 to drive the worm 2041 to rotate, meshing with the worm gear 204 on one side to drive the circular hopper cylinder 202 to rotate, so that the mixed concrete in the circular hopper cylinder 202 rotates. Start the auger assembly to divert the rotating concrete in the circular hopper cylinder 202 into the square pipe body 301, and transport the concrete to the outlet of the second guide pipe 305 through the auger assembly. Start the first telescopic hydraulic cylinder 308 to drive the first connecting plate 307 and the telescopic discharging assembly to lift to a certain position and stop. Start the second telescopic hydraulic cylinder 310 to drive the telescopic hopper 311 to move under the second guide pipe 305, and the mixed concrete is discharged.

[0030] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A concrete hopper for prefabrication of pipe segments, characterized in that: It comprises a bottom plate (1), a rotating stirring mechanism (2) is arranged on the bottom plate (1), and a discharging mechanism (3) is arranged below the rotating stirring mechanism (2); The rotary stirring mechanism (2) comprises an L-shaped frame (201) arranged above the bottom plate (1); a circular hopper barrel (202) is mounted on the L-shaped frame (201); a first material guide tube (203) is arranged below the circular hopper barrel (202); a rotating assembly is mounted on the outer surface of the first material guide tube (203); a first rotating shaft (205) is arranged inside the circular hopper barrel (202); a stirring assembly is mounted on the outer surface of the first rotating shaft (205); a driven bevel gear (207) is mounted on one end of the first rotating shaft (205); a driving bevel gear (208) is meshed with one side of the driven bevel gear (207); a first motor (209) is mounted on the driving bevel gear (208); a bearing frame (210) is arranged below the first motor (209); and an electric telescopic rod (211) is mounted on one side of the bearing frame (210).

2. A concrete hopper for prefabrication of pipe segments according to claim 1, characterized in that: The discharging mechanism (3) comprises a square tube body (301) arranged below the rotating stirring mechanism (2), an auger assembly is transversely arranged inside the square tube body (301), a second material guide pipe (305) is installed below the square tube body (301), a first connecting shaft (306) is installed on the front and rear sides of the square tube body (301), a first connecting plate (307) is installed on the outer surface of the first connecting shaft (306), a first telescopic hydraulic cylinder (308) is arranged on the front and rear sides of the first connecting plate (307), a telescopic discharging assembly is arranged on the first connecting plate (307), and a second telescopic hydraulic cylinder (310) is arranged on the telescopic discharging assembly.

3. The concrete hopper for prefabrication of pipe segments according to claim 1, characterized in that: The rotating assembly comprises a worm wheel (204) arranged on the outer surface of the first material guide tube (203), a worm (2041) is meshedly arranged on one side of the worm wheel (204), and a driving motor (2042) is arranged on one end of the worm (2041).

4. The concrete hopper for prefabrication of pipe segments according to claim 1, characterized in that: The stirring assembly comprises a stirring blade (2051) arranged on the outer surface of the first rotating shaft (205), and a stirring scraper (206) is arranged on one side of the stirring blade (2051).

5. The concrete hopper for prefabrication of pipe segments according to claim 2, characterized in that: The auger assembly comprises a second rotating shaft (303) arranged in the square tube body (301), a second motor (302) is installed at one end of the second rotating shaft (303), and an auger blade (304) is installed on the outer surface of the second rotating shaft (303).

6. The concrete hopper for prefabrication of pipe segments according to claim 2, characterized in that: The telescopic discharge assembly comprises a hollow plate (309) arranged on the first connecting plate (307), and a telescopic hopper (311) is arranged inside the hollow plate (309).

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