CN205521975U - Underground precast concrete field - Google Patents

Abstract

The utility model discloses an underground concrete prefabrication field, which comprises a raw material feeding system, a concrete prefabrication pool, a weighing system, a conveying system and a control system. The underground concrete prefabrication field is a closed concrete prefabrication field built underground, which not only saves the space on the ground, but also avoids dust pollution and noise pollution during the concrete production process.

Description

An underground concrete precast yard

Technical field:

The utility model relates to the technical field of concrete production, in particular to an underground concrete precast yard.

Background technique:

The concrete prefabrication site is the concrete mixing station, which is a joint device used to centrally mix concrete. Due to its high degree of mechanization and automation, its productivity is also high, and it can ensure the quality of concrete and save cement. It is often used in large and medium-sized water conservancy, electric power, bridges and other projects with large concrete engineering volume, long construction period, and concentrated construction sites. With the development of municipal construction, it is of great advantage to use centralized mixing to provide commercial concrete mixing plants, so it has been developed rapidly, and it has created conditions for the promotion of concrete pumping construction and the realization of combined operations of mixing, conveying, and pouring machinery.

At present, in the concrete production industry, concrete precast yards are usually built on the ground, which not only occupies a large area above the ground, but also causes dust pollution and noise pollution, which affects the physical and mental health of construction workers.

Utility model content:

The purpose of this utility model is to provide an underground concrete prefabrication field for the deficiencies of the prior art. The underground concrete prefabrication field is a closed concrete prefabrication field built underground, which not only saves the space on the ground, but also avoids the concrete production process. dust pollution and noise pollution.

The technical solutions of the present utility model are as follows:

An underground concrete prefabrication field, including a raw material feeding system, a concrete precasting pool, a weighing system, a conveying system and a control system, the raw material feeding system includes a first silo, a second silo and a third silo arranged side by side, the first The silo, the second silo and the third silo are respectively filled with gravel, cement and yellow sand. The upper part of the three silos is equipped with a high-level material level gauge, and the lower part is equipped with a low-level material level gauge. The three silos are equipped with electric valves at the lower openings of the three silos, and the lower parts of the three electric valves are equipped with their respective weighing systems. The sand is sent by the conveying system into the conveying chute set on the side of the concrete precast pool, and then enters the concrete precast pool. The concrete precast pool includes a civil foundation, on which a supporting column is fixed, and a sealing cover is installed on the supporting column, and the sealing cover is sealed. A ventilation valve is installed, and a water-filling funnel is provided on the side of the support column. An output device is provided in the concrete prefabricated pool. The conveying device includes a lateral transfer mechanism and a vertical transfer mechanism. Belt conveyor, the vertical moving frame moves longitudinally along the vertical moving track in the biogas fermentation tank driven by the vertical moving motor, the belt conveyor is installed on the vertical moving frame, and the horizontal moving conveying mechanism includes a horizontal moving trolley and a screw conveyor , the traversing trolley can move laterally on the longitudinal moving frame. The screw conveyor is installed on the traversing trolley and driven by a screw motor. The discharge port of the screw conveyor is directly opposite to the belt conveyor. The conveyor is lifted onto the belt conveyor and transported to the delivery vehicle by the belt conveyor.

As a preferred technical solution, the sealing cover is a transparent cover, the vent valve is connected with a bag filter, and the conveying system is a belt conveyor with a conveying distance of 2-3 kilometers.

As the preference of the above-mentioned technical scheme, two stirrers are also arranged on the longitudinal moving frame body, the stirrers are driven by a stirring motor, the stirrers include a stirring frame and a stirring shaft, the stirring frame is fixed on the stirring shaft, the stirring shaft and the stirring motor The output shaft is connected by a coupling.

As a preferred technical solution, the conveying chute is covered with wear-resistant materials, and the first silo, the second silo, and the third silo have the same structure and size, and all include a cylindrical main body and a lower conical bucket. The height of the silo is 4-5 meters, and the diameter of the cylindrical body is 1.2 meters. The three silos are supported above the ground by silo brackets, and the ground has a building foundation for fixing the silo brackets.

As a preferred technical solution, the electric valve includes a valve main body and a valve disc. Both ends of the valve main body are welded with connecting flanges, and bolt holes are opened on the connecting flanges. A cavity for accommodating the rotating shaft is opened in the middle of the valve disc. The rotating shaft is welded into one piece.

As a preferred technical solution, the rotating shaft is connected to the external gear through a key, the exposed part of the rotating shaft is covered with a sleeve, the external gear is connected to the driving gear through a connecting belt, the driving gear is driven by a valve motor, and the output shaft of the valve motor passes through The shaft coupling is connected with the driving shaft, and the driving shaft is connected with the driving gear through the connecting key.

The beneficial effect of the utility model is that: the underground concrete prefabrication yard is a closed concrete precast yard built underground, which not only saves the ground space, but also avoids dust pollution and noise pollution in the concrete production process.

Description of drawings:

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in:

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the three-dimensional structure of the electric valve;

Figure 3 is a top view of the electric valve;

Fig. 4 is the structural representation of belt scale;

Fig. 5 is a structural schematic diagram of a weighing bracket.

detailed description:

As shown in Figure 1, the underground concrete prefabrication field comprises a raw material feeding system, a concrete prefabricating pool, a weighing system 2, a delivery system and a control system 20, and the raw material feeding system includes a first silo 11, a second silo 12, and a side-by-side arrangement. The third silo 13, the first silo 11, the second silo 12 and the third silo 13 are respectively equipped with gravel, cement and yellow sand. Both are equipped with low-level material level gauges, and the high-level material level gauge 16 and the low-level material level gauge are both electrically connected to the control system. The lower openings of the three silos are all equipped with electric valves 15, and the lower parts of the three electric valves 15 are provided with respective Gravel, cement and yellow sand on the weighing system 2 are all sent into the delivery chute 31 provided on the side of the concrete precast pool by the delivery system 30, and then enter the concrete precast pool. The concrete precast pool includes the civil foundation 43, A supporting column 44 is fixed on the civil foundation 43, a sealing cover 45 is installed on the supporting column 44, a vent valve 46 is installed on the sealing cover 45, a water adding funnel 32 is arranged on the side of the supporting column 44, and an output device is arranged in the concrete prefabricated pool , the conveying device includes a traverse conveying mechanism and a longitudinal conveying mechanism, and the longitudinal conveying mechanism includes a longitudinal movement track 41, a longitudinal movement frame body 42 and a belt conveyor 6, and the longitudinal movement frame body 42 is driven along the vertical movement direction by the longitudinal movement motor. The moving track 41 moves longitudinally in the biogas fermentation tank, and the belt conveyor 6 is installed on the vertical moving frame body 42. The lateral moving conveying mechanism includes a horizontal moving trolley 51 and a screw conveyor 53. Horizontal movement, the screw conveyor 53 is installed on the traversing trolley 51 and driven by the screw motor 52. The discharge port of the screw conveyor 53 is directly opposite to the belt conveyor 6, and the concrete made is lifted to the belt conveyor 53 by the screw conveyor 53. Conveyor 6, and transported to transport vehicle 7 by belt conveyor 6.

The sealing cover 45 is a transparent cover body, the vent valve 46 is externally connected with a bag filter, and the conveying system 30 is a belt conveyor whose conveying distance is 2-3 kilometers.

Two agitators 55 are also arranged on the vertically moving frame body 42, and the agitator 55 is driven by a stirring motor 54. The agitator 55 includes a stirring frame and a stirring shaft, and the stirring frame is fixed on the stirring shaft, and the output of the stirring shaft and the stirring motor 54 The shafts are connected by couplings.

The conveying chute 31 is covered with wear-resistant materials. The first silo 11, the second silo 12 and the third silo 13 have the same structure and size, and all include a cylindrical main body and a lower conical bucket. The height of the cylindrical main body is 4-5 meters, the diameter of the cylindrical main body is 1.2 meters, and the three silos are supported above the ground by silo brackets, and the ground has a building foundation to fix the silo brackets.

As shown in Figure 2-3, the electric valve 15 includes a valve main body 155 and a valve disc 153. A connecting flange 151 is welded at both ends of the valve main body 155. A bolt hole 154 is opened on the connecting flange 151, and a housing is opened in the middle of the valve disc 153. The cavity 152 of the rotating shaft 158, the valve disc 153 and the rotating shaft 158 are welded into one body, the rotating shaft 158 is connected with the external gear 141 through a key 143, the exposed part of the rotating shaft 158 is covered with a sleeve 159, and the external gear 141 is connected by a belt 145 is connected with driving gear 142, and driving gear is driven by valve motor 150, and the output shaft of valve motor 150 is connected with driving shaft 157 by coupling 156, and driving shaft 157 is connected with driving gear 142 by connecting key 144.

As shown in Fig. 4-5, weighing system 2 is the belt scale that is electrically connected with control system 20, and belt scale comprises weighing bracket 23, belt 24 and pulley 22, and belt 24 is wrapped around pulley 22, and belt 24 is belt with The rubber belt of the sidewall is also provided with a tension pulley 21 between the two pulleys 22, and the weighing bracket 23 supports the part of the belt 24 at the top. The weighing bracket 23 includes a U-shaped seat 235, and the U-shaped seat 235 is provided with The first rib 231, the second rib 232, the third rib 233 and the fourth rib 234, the first side mounting part is formed between the first rib 231 and the third rib 233, the second rib 232 The second side mounting part is formed between the fourth rib plate 234 and the third rib plate 233 and the fourth rib plate 234. The horizontal mounting part is formed between the first side mounting part and the second side mounting part. There are lateral support rollers 238, and horizontal support rollers 237 are installed on the horizontal installation part through rotating shafts 236, and weight sensors are arranged on the lateral support rollers 238 and the horizontal support rollers 237.

The embodiments are used to illustrate the utility model, but not to limit the utility model. Any person skilled in the art can modify the embodiments without violating the spirit and scope of the utility model, so the protection scope of the utility model should be as listed in the claims of the utility model.

Claims (6)

1. an underground concrete prefabrication field, is characterized in that, comprises raw material feeding system, concrete precast pool, weighing system (2), delivery system and control system (20), and raw material feeding system comprises the first silo ( 11), the second silo (12) and the third silo (13), the first silo (11), the second silo (12) and the third silo (13) are equipped with gravel, cement and Yellow sand, the upper part of the three silos is equipped with a high-level material level gauge (16), and the lower part is equipped with a low-level material level gauge. Both the high-level material level gauge (16) and the low-level material level gauge are electrically connected to the control system. Electric valves (15) are provided at the lower openings of the silos, and the lower parts of the three electric valves (15) are provided with respective weighing systems (2). It is sent into the conveying chute (31) provided on the side of the concrete precast pool by the conveying system (30), and then enters the concrete precast pool. The concrete precast pool includes a civil foundation (43), and a support column (44) is fixed on the civil foundation (43) , the support column (44) is sealed with a sealing cover (45), and the air valve (46) is installed on the sealing cover (45). There is an output device, and the conveying device includes a lateral movement conveying mechanism and a longitudinal movement conveying mechanism, and the longitudinal movement conveying mechanism includes a longitudinal movement track (41), a longitudinal movement frame body (42) and a belt conveyor (6), and the longitudinal movement frame body (42 ) moves vertically in the biogas fermentation tank along the vertical moving track (41) driven by the vertical moving motor, the belt conveyor (6) is installed on the vertical moving frame (42), and the horizontal moving conveying mechanism includes a horizontal moving trolley (51 ) and screw conveyor (53), the traversing trolley (51) can move laterally on the vertical movement frame (42), the screw conveyor (53) is installed on the traversing trolley (51), and is driven by the screw motor (52 ) drive, the outlet of the screw conveyor (53) is opposite to the belt conveyor (6), and the concrete made is lifted to the belt conveyor (6) through the screw conveyor (53), and is passed by the belt conveyor ( 6) Delivery to the delivery vehicle (7). 2. The underground concrete precast field according to claim 1, characterized in that: the sealing cover (45) is a transparent cover, the air valve (46) is externally connected with a bag filter, and the conveying system (30) is a belt conveying machine, the conveying distance of the belt conveyor is 2-3 kilometers. 3. underground concrete prefabrication field according to claim 1, is characterized in that: two stirrers (55) are also arranged on the vertically moving support body (42), and stirrer (55) is driven by stirring motor (54), The stirrer (55) comprises a stirring frame and a stirring shaft, the stirring frame is fixed on the stirring shaft, and the stirring shaft is connected with the output shaft of the stirring motor (54) through a coupling. 4. The underground concrete precast field according to claim 1, characterized in that: the delivery chute (31) is covered with wear-resistant materials, the first silo (11), the second silo (12) and the third silo (13) have the same structure and size, including a cylindrical main body and a lower conical bucket. The height of the cylindrical main body is 4-5 meters, and the diameter of the cylindrical main body is 1.2 meters. The three silos are supported by silo brackets. Above ground, a building foundation with fixed silo supports on the ground. 5. The underground concrete prefabrication field according to claim 1, characterized in that: the electric valve (15) includes a valve body (155) and a valve disc (153), and the two ends of the valve body (155) are welded with connecting flanges (151 ), a bolt hole (154) is opened on the connecting flange (151), a cavity (152) for accommodating the rotating shaft (158) is opened in the middle of the valve disc (153), and the valve disc (153) is welded to the rotating shaft (158) into one. 6. The underground concrete precast field according to claim 5, characterized in that: the rotating shaft (158) is connected with the external gear (141) through a key (143), and the exposed part of the rotating shaft (158) is sleeved with a sleeve ( 159), the external gear (141) is connected with the driving gear (142) through the connecting belt (145), the driving gear is driven by the valve motor (150), and the output shaft of the valve motor (150) is connected to the driving shaft through the coupling (156) 157 is connected, and driving shaft (157) is connected with driving gear (142) by connection key (144).