Wet-type concrete sprayer with liftable hopper

Abstract

The wet-type concrete sprayer comprises a walking chassis, a feeding main screw and a launching cylinder, a mixing hopper communicated with an inlet of the launching cylinder is arranged below an outlet of the feeding main screw, the feeding main screw is arranged in an inclined mode, and a hopper sliding frame is connected to the upper portion of the feeding main screw in a sliding mode in the length direction. The hopper sliding frame is fixedly connected with a first hopper, a second hopper and a third hopper, and when the hopper sliding frame slides to the lower end, an outlet of the first hopper, an outlet of the second hopper and an outlet of the third hopper are all located above a feeding port of the feeding main spiral. During transportation, the multiple hoppers are lifted to avoid bumping against the ground, and during spraying work, the heights of the multiple hoppers are reduced, so that workers can conveniently add materials into the hoppers, and the concrete spraying device is convenient to use, simple in structure and capable of being used for concrete spraying work in various scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete sprayer technical field, specifically point to a kind of wet concrete sprayer of hopper liftable. BACKGROUND

[0002] Concrete sprayer (shotcrete machine, concrete sprayer) is the mechanical that utilizes compressed air and is continuously transported along pipeline to concrete, and is sprayed to construction surface, and it is widely used in lining construction of underground engineering, well and alley, tunnel, culvert etc.. Concrete sprayer is divided into dry sprayer and wet sprayer two categories, former is transported by pneumatic dry mixing material, and is sprayed after mixing with pressure water at nozzle; latter is transported by pneumatic or launching cylinder and is sprayed through nozzle after mixing.

[0003] Wet concrete sprayer needs to complete the mixing of various materials before transportation, can directly spray finished product concrete, and some have self-mixing hopper, various materials are mixed after passing through mixing hopper and are transported by launching cylinder.

[0004] Therefore wet concrete sprayer is equipped with multiple mixing hoppers, in order to realize the walking of sprayer, the height of mixing hopper is very high, and material adding is not convenient. INVENTION CONTENTS

[0005] The utility model provides a kind of wet concrete sprayer of hopper liftable in view of the deficiency of prior art.

[0006] The utility model is realized by the following technical schemes, provide a kind of wet concrete sprayer of hopper liftable, including walking chassis, main screw of feeding and launching cylinder, the lower of main screw of feeding outlet is equipped with with the mixing hopper that the launching cylinder import is communicated, main screw of feeding is obliquely arranged and is slid with hopper sliding frame along length direction in upper portion, first hopper, second hopper and third hopper are fixedly connected on the hopper sliding frame, when the hopper sliding frame slides to lower end, the outlet of first hopper, the outlet of second hopper and the outlet of third hopper are all located above the feeding inlet of main screw of feeding.

[0007] As optimization, the lower end of main screw of feeding is hinged with walking chassis, and telescopic support rod is connected between main screw of feeding and walking chassis.

[0008] As optimization, the telescopic support rod includes upper rod body, adjusting pipe and lower rod body, the upper end of upper rod body is hinged with main screw of feeding, the lower end of upper rod body is threadedly connected with the upper end of adjusting pipe, the upper end of lower rod body is threadedly connected with the lower end of adjusting pipe, the lower end of lower rod body is hinged with walking chassis, and the thread rotation direction of the upper and lower ends of adjusting pipe is opposite.

[0009] As optimization, handle is fixedly connected on the adjusting pipe.

[0010] As an optimization, the first hopper, the second hopper, and the third hopper are respectively axially connected to a first spiral conveyor shaft, a second spiral conveyor shaft, and a third spiral conveyor shaft.

[0011] As an optimization, the method also includes a hopper motor, which drives the first spiral conveyor shaft, the second spiral conveyor shaft and the third spiral conveyor shaft to rotate through a transmission box.

[0012] The beneficial effects of this utility model are as follows: This utility model provides a wet concrete spraying machine with a liftable hopper. Multiple hoppers for feeding are slidable by hydraulic cylinders. During transportation, the multiple hoppers are raised to avoid hitting the ground. When spraying is performed, the height of the multiple hoppers is lowered, making it easier for workers to add materials into the hoppers. Attached Figure Description

[0013] Figure 1 This is a front view of the present utility model;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model;

[0015] Figure 3 This utility model Figure 1 A-direction view;

[0016] Figure 4 This is a schematic diagram of the telescopic support rod of this utility model;

[0017] As shown in the figure:

[0018] 1. Walking chassis; 2. Main feeding screw; 3. Mixing hopper; 4. Launching cylinder; 5. Telescopic support rod; 51. Upper rod body; 52. Adjusting pipe; 53. Lower rod body; 54. Handle; 6. Hopper sliding frame; 7. Hydraulic cylinder; 8. Transmission box; 9. Main feeding screw motor; 10. Hopper motor; 11. First hopper; 12. Second hopper; 13. Third hopper; 14. First screw conveyor shaft; 15. Second screw conveyor shaft; 16. Third screw conveyor shaft; 17. Baffle; 18. Baffle bolt. Detailed Implementation

[0019] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to describe the solution.

[0020] like Figures 1-4 As shown, the present invention discloses a wet concrete spraying machine with a liftable hopper, comprising a walking chassis 1, a main feeding auger 2, and a launching cylinder 4. The walking chassis 1 includes a frame and a tracked walking mechanism installed on both sides of the frame. A hydraulic station is installed on the frame to provide hydraulic power to the tracked walking mechanism and other hydraulic components.

[0021] The main screw 2 is installed on the frame, and the main screw 2 is powered by the main screw motor 9 at the upper end. The main screw motor 9 can be an electric motor or a hydraulic motor. The main screw 2 is inclined and hinged to the frame at the lower end, so that the upper end can be adjusted up and down to adjust the inclination angle of the main screw 2. In order to adjust the angle of the main screw 2, a telescopic support rod 5 is connected between the main screw 2 and the chassis 1. The lower end of the telescopic support rod 5 is hinged to the frame of the chassis 1, and the upper end is hinged to the middle of the main screw 2. Therefore, by adjusting the length of the telescopic support rod 5, the inclination angle of the main screw 2 can be adjusted.

[0022] In order to realize the telescopic function of the telescopic support rod 5, the telescopic support rod 5 includes an upper rod body 51, an adjusting pipe 52 and a lower rod body 53. The upper rod body 51 and the lower rod body 53 are round rods, and the adjusting pipe 52 is a round pipe. The upper end of the upper rod body 51 is hinged to the main screw 2, the lower end of the upper rod body 51 is threadedly connected to the upper end of the adjusting pipe 52, the upper end of the lower rod body 53 is threadedly connected to the lower end of the adjusting pipe 52, and the lower end of the lower rod body 53 is hinged to the chassis 1. The threads on the upper and lower ends of the adjusting pipe 52 are opposite in direction. Therefore, by rotating the adjusting pipe 52, the length of the telescopic support rod 5 can be adjusted. In order to facilitate manual rotation of the adjusting pipe 52, a handle 54 is fixed to the adjusting pipe 52, and two handles are provided on both sides of the adjusting pipe 52. By holding the two handles 54, the rotation of the adjusting pipe 52 can be easily realized.

[0023] The outlet of the main screw 2 is provided at the upper end and downwardly. A mixing hopper 3 is provided below the outlet of the main screw 2 and is in communication with the inlet of the launching cylinder 4. The main screw 2 mixes and delivers the materials to the mixing hopper 3, and then delivers them outwardly through the launching cylinder 4.

[0024] The lower end of the upper side of the main screw 2 is provided with an inlet opening. Various materials enter the inlet opening. A hopper sliding frame 6 is slidably connected to the upper side of the main screw 2 along the length direction. A first hopper 11, a second hopper 12 and a third hopper 13 are fixed to the hopper sliding frame 6. Figure 3 As shown in the drawings, the second hopper 12 and the third hopper 13 are arranged side by side, and the first hopper 11 and the second hopper 12 are arranged in front of and behind each other. The first hopper 11, the second hopper 12 and the third hopper 13 are respectively used to add different materials.

[0025] When the hopper sliding frame 6 slides to the lower end, the outlets of the first hopper 11, the second hopper 12 and the third hopper 13 are all located above the inlet of the main screw 2.

[0026] The first hopper 11, the second hopper 12 and the third hopper 13 are respectively connected with a first screw conveying shaft 14, a second screw conveying shaft 15 and a third screw conveying shaft 16, and the materials in the first hopper 11, the second hopper 12 and the third hopper 13 are respectively conveyed to the outlets thereof through the rotation of the first screw conveying shaft 14, the second screw conveying shaft 15 and the third screw conveying shaft 16.

[0027] In order to realize the rotation of the first screw conveying shaft 14, the second screw conveying shaft 15 and the third screw conveying shaft 16, the application further comprises a hopper motor 10, which is an electric motor or a hydraulic motor, and the hopper motor 10 drives the first screw conveying shaft 14, the second screw conveying shaft 15 and the third screw conveying shaft 16 to rotate through a transmission box 8.

[0028] The transmission box 8 comprises a box body, an input shaft and an output shaft which are connected with the transmission box and rotate side by side, one end of the input shaft is connected with the hopper motor, and the other end is connected with the third screw conveying shaft.

[0029] An input shaft gear is fixedly connected to the input shaft, an output shaft gear is fixedly connected to the output shaft, the input shaft gear is in transmission connection with the output shaft gear through an intermediate gear, one end of the output shaft is connected with the first screw conveying shaft, and the other end is connected with the second screw conveying shaft.

[0030] The use method of the utility model:

[0031] The multiple hoppers for feeding realize sliding through the oil cylinder, and the multiple hoppers are lifted when the walking chassis 1 walks to transport, so that bumping on the ground is avoided. When the spraying work is carried out, the height of the multiple hoppers is lowered, so that workers can add materials into the hoppers.

[0032] The materials enter the feeding main screw 2 from the first hopper 11, the second hopper 12 and the third hopper 13, are conveyed upwards through the feeding main screw 2, are mixed and conveyed into the mixing hopper 3 by the feeding main screw 2, and are then conveyed outwards through the launching cylinder 4.

[0033] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized through or by using the prior art, which will not be described herein; the above embodiments and the drawings are only used for describing the technical scheme of the utility model and are not limited to the utility model, the preferred embodiments are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A wet concrete spraying machine with a liftable hopper, characterized in that: The system includes a walking chassis (1), a main feeding spiral (2), and a launching cylinder (4). A mixing hopper (3) connected to the inlet of the launching cylinder (4) is provided below the outlet of the main feeding spiral (2). The main feeding spiral (2) is inclined and a hopper sliding frame (6) is slidably connected above it along its length. A first hopper (11), a second hopper (12), and a third hopper (13) are fixedly connected to the hopper sliding frame (6). When the hopper sliding frame (6) slides to the lower end, the outlets of the first hopper (11), the second hopper (12), and the third hopper (13) are all located above the feed inlet of the main feeding spiral (2).

2. The wet concrete spraying machine with a liftable hopper according to claim 1, characterized in that: The lower end of the main feeding auger (2) is hinged to the traveling chassis (1), and a telescopic support rod (5) is connected between the main feeding auger (2) and the traveling chassis (1).

3. A wet concrete spraying machine with a liftable hopper according to claim 2, characterized in that: The telescopic support rod (5) includes an upper rod body (51), an adjusting tube (52) and a lower rod body (53). The upper end of the upper rod body (51) is hinged to the main feeding screw (2), and the lower end of the upper rod body (51) is threaded to the upper end of the adjusting tube (52). The upper end of the lower rod body (53) is threaded to the lower end of the adjusting tube (52), and the lower end of the lower rod body (53) is hinged to the traveling chassis (1). The threads at the upper and lower ends of the adjusting tube (52) are rotated in opposite directions.

4. A wet concrete spraying machine with a liftable hopper according to claim 3, characterized in that: A handle (54) is fixedly attached to the regulating tube (52).

5. A wet concrete spraying machine with a liftable hopper according to claim 1, characterized in that: The first hopper (11), the second hopper (12), and the third hopper (13) are respectively connected to a first screw conveyor shaft (14), a second screw conveyor shaft (15), and a third screw conveyor shaft (16).

6. A wet concrete spraying machine with a liftable hopper according to claim 5, characterized in that: It also includes a hopper motor (10), which drives the first spiral conveyor shaft (14), the second spiral conveyor shaft (15) and the third spiral conveyor shaft (16) to rotate through the transmission box (8).

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