Automatic gravel sampling device

Abstract

The utility model provides an automatic gravel sampling device, which relates to the technical field of automatic sampling devices, and comprises a main frame body, a moving plate and a chute, the moving plate is provided with a sampling mechanism, and the top end of the main frame body is provided with a lifting mechanism; the second motor can drive the lead screw to rotate at the top end of the main frame body, the lead screw is in threaded fit with the moving plate, the sliding groove limits the moving track of the moving plate, when the lead screw rotates in the forward direction, the moving plate can be driven to move downwards so that the sleeve can be inserted into a gravel pile, and the first motor can drive the belt wheel at the output end of the first motor to rotate so that the sleeve can be inserted into the gravel pile. The two belt wheels rub against the belt, the first motor can drive the other belt wheel to rotate at the same time, the other belt wheel and the rotating rod are connected into a whole so as to drive the bottom end of the rotating rod to rotate in the sleeve, and the spiral blade at the bottom end of the rotating rod drives gravel to move towards the interior of the sleeve so as to automatically sample gravel piles.

Description

Technical Field

[0001] This utility model relates to the field of automatic sampling device technology, and in particular to an automatic sand and gravel sampling device. Background Technology

[0002] Sand and gravel are important building materials and are one of the key raw materials for concrete. Therefore, the sand and gravel used must be sampled and analyzed before concrete is made. Small amounts of sand and gravel are relatively easy to sample because the pile is small. However, for large concrete plants, material yards, etc., where large quantities of sand and gravel are used and are loaded onto trucks, sand and gravel samplers must be used to sample the inside of the pile.

[0003] Currently, concrete sand and gravel samplers in my country are divided into single-sample multi-type and single-sample type. In order to meet the airtightness requirements, they all adopt the manufacturing mode of inner and outer double tubes, which is not very good. In addition, when the sample is withdrawn, the air pores need to be manually sealed to maintain the airtightness, which is too cumbersome and affects the sampling efficiency. Therefore, this utility model proposes an automatic sand and gravel sampling device to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes an automatic sand and gravel sampling device to solve the problem that the existing technology uses a double-tube manufacturing mode, which requires manual sealing of the air holes to maintain airtightness during sampling and extraction, making it too cumbersome and affecting sampling efficiency.

[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: an automatic sand and gravel sampling device, including a main frame, a movable plate and a chute, the main frame is provided with a chute inside, the movable plate is slidably connected inside the chute, the movable plate is provided with a sampling mechanism, and the top of the main frame is provided with a lifting mechanism.

[0006] A further improvement is made in that: the sampling mechanism includes a rotating rod, a spiral blade, a sleeve, a pulley, a belt, and a No. 1 motor; the rotating rod is rotatably connected inside the moving plate; the spiral blade is fixedly connected to the bottom end of the rotating rod; the sleeve is rotatably connected to the bottom end of the rotating rod; two pulleys are rotatably connected to both ends of the moving plate; a No. 1 motor is fixedly connected to the bottom of one side of the moving plate; and the two pulleys are respectively fixedly connected to the top end of the rotating rod and the output end of the No. 1 motor.

[0007] A further improvement is made in that: the lifting mechanism includes a second motor and a lead screw; the lead screw is rotatably connected to the top of the main frame; the bottom end of the lead screw passes through the interior of the moving plate and is threadedly connected to it; the second motor is fixedly installed at the top of the main frame; and the output end of the second motor is fixedly connected to the top of the lead screw.

[0008] A further improvement is that: the top of the sleeve is connected to a connecting pipe, a connecting frame is fixedly connected to one side of the moving plate, and a suction mechanism is provided at the bottom of the connecting frame.

[0009] A further improvement is made in that: the suction mechanism includes a vacuum pump, a filter element, and a three-way pipe; the vacuum pump is fixedly installed at the bottom of the connecting frame; the input end of the vacuum pump is connected to the filter element; one end of the filter element is connected to the three-way pipe; and one end of the three-way pipe is connected to one end of the connecting pipe.

[0010] A further improvement is that a protective shell is provided at the top of the main frame, the protective shell is wrapped around the No. 2 motor, and multiple anti-collision strips are fixed on the outside of the protective shell.

[0011] A further improvement is that the bottom of the main frame is designed as an L-shaped structure, and the bottom of the main frame is symmetrically provided with reinforcing plates, the reinforcing plates being triangular in shape.

[0012] The beneficial effects of this utility model are as follows: The No. 2 motor can drive the lead screw to rotate at the top of the main frame. The lead screw is threadedly engaged with the moving plate, and the sliding groove restricts the movement trajectory of the moving plate. When the lead screw rotates in the forward direction, it can drive the moving plate to move downward, so as to insert the sleeve into the interior of the sand and gravel pile. The No. 1 motor can drive the pulley at its output end to rotate. Both pulleys rub against the belt. The No. 1 motor can drive the other pulley to rotate at the same time. The other pulley is connected to the rotating rod as a whole, so as to drive the bottom end of the rotating rod to rotate inside the sleeve. The spiral blades at the bottom end of the rotating rod drive the sand and gravel to move into the interior of the sleeve, so as to automatically sample the sand and gravel pile. This solves the problem that the existing technology uses a double-tube manufacturing mode, and the air hole needs to be manually sealed to maintain the airtightness when sampling and pulling back, which is too cumbersome and affects the sampling efficiency. Attached Figure Description

[0013] Figure 1 This is the front view of the present invention;

[0014] Figure 2 This is a side view of the present invention;

[0015] Figure 3 This is a schematic diagram of the rotating rod structure of this utility model.

[0016] The components are: 1. Main frame; 2. Moving plate; 3. Connecting frame; 4. Slide groove; 5. Rotating rod; 6. Helical blade; 7. Sleeve; 8. Pulley; 9. Belt; 10. Motor No. 1; 11. Motor No. 2; 12. Lead screw; 13. Vacuum pump; 14. Filter element; 15. T-pipe; 16. Connecting pipe. Detailed Implementation

[0017] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0018] according to Figure 1 , 2 As shown in Figure 3, this embodiment proposes an automatic sand and gravel sampling device, including a main frame 1, a movable plate 2, and a chute 4. The main frame 1 has a chute 4 inside, and the movable plate 2 is slidably connected inside the chute 4. The movable plate 2 is equipped with a sampling mechanism. The top of the main frame 1 is equipped with a lifting mechanism. When in use, the main frame 1 is moved to the vicinity of the sand and gravel pile and the power is turned on. The lifting mechanism will drive the movable plate 2 to move downward, and the movable plate 2 will drive the sampling mechanism to insert into the interior of the sand and gravel pile. The sampling mechanism automatically samples the sand and gravel pile.

[0019] The lifting mechanism includes a second motor 11 and a lead screw 12. The lead screw 12 is rotatably connected to the top of the main frame 1. The bottom end of the lead screw 12 passes through the interior of the moving plate 2 and is threadedly connected to it. The second motor 11 is fixedly installed at the top of the main frame 1. The output end of the second motor 11 is fixedly connected to the top of the lead screw 12. The second motor 11 can drive the lead screw 12 to rotate at the top of the main frame 1. The lead screw 12 is threadedly engaged with the moving plate 2, and the sliding groove 4 restricts the movement trajectory of the moving plate 2. When the lead screw 12 rotates in the forward direction, it can drive the moving plate 2 to move downward, so as to insert the sleeve 7 into the interior of the sand and gravel pile. When the lead screw 12 rotates in the reverse direction, it can drive the moving plate 2 to move upward, so as to drive the sleeve 7 to move upward and reset.

[0020] The sampling mechanism includes a rotating rod 5, a spiral blade 6, a sleeve 7, a pulley 8, a belt 9, and a primary motor 10. The rotating rod 5 is rotatably connected inside the moving plate 2. The spiral blade 6 is fixedly connected to the bottom end of the rotating rod 5. The sleeve 7 is rotatably connected to the bottom end of the rotating rod 5. Two pulleys 8 are rotatably connected to both ends of the moving plate 2. A primary motor 10 is fixedly connected to the bottom of one side of the moving plate 2. The two pulleys 8 are fixedly connected to the top end of the rotating rod 5 and the output end of the primary motor 10, respectively. The primary motor 10 can drive the pulley 8 at its output end to rotate. Both pulleys 8 rub against the belt 9. The primary motor 10 can also drive the other pulley 8 to rotate simultaneously. The other pulley 8 is connected to the rotating rod 5 as a whole, which drives the bottom end of the rotating rod 5 to rotate inside the sleeve 7. The spiral blade 6 at the bottom end of the rotating rod 5 drives the sand and gravel to move into the sleeve 7, thereby automatically sampling the sand and gravel pile.

[0021] The top of the sleeve 7 is connected to a connecting pipe 16. A connecting frame 3 is fixedly connected to one side of the moving plate 2. A suction mechanism is provided at the bottom of the connecting frame 3. The suction mechanism includes a vacuum pump 13, a filter element 14, and a three-way pipe 15. The vacuum pump 13 is fixedly installed at the bottom of the connecting frame 3. The input end of the vacuum pump 13 is connected to the filter element 14. One end of the filter element 14 is connected to the three-way pipe 15. One end of the three-way pipe 15 is connected to one end of the connecting pipe 16. The vacuum pump 13 can extract the air inside the three-way pipe 15, making the inside of the three-way pipe 15 present a negative pressure state. Through the action of air pressure difference and through the cooperation of the filter element 14 and the connecting pipe 16, the sand and gravel inside the sleeve 7 are sucked up and intercepted inside the three-way pipe 15. Then, the valve at the bottom of the three-way pipe 15 is opened to let the sand and gravel flow out from the bottom of the three-way pipe 15, so that people can obtain the sand and gravel sample.

[0022] The top of the main frame 1 is provided with a protective shell, which covers the No. 2 motor 11. Multiple anti-collision strips are fixed on the outside of the protective shell. The protective shell and anti-collision strips can isolate the No. 2 motor 11 from external objects, prevent the No. 2 motor 11 from direct contact with external objects, and protect the No. 2 motor 11.

[0023] The bottom of the main frame 1 is designed as an L-shaped structure, and the bottom of the main frame 1 is symmetrically provided with reinforcing plates, the reinforcing plates being triangular in shape.

[0024] In this automatic sand and gravel sampling device, motor 11 drives screw 12 to rotate at the top of the main frame 1. Screw 12 is threadedly engaged with moving plate 2, and groove 4 restricts the movement trajectory of moving plate 2. When screw 12 rotates forward, it drives moving plate 2 downward to insert sleeve 7 into the sand and gravel pile. Motor 10 drives pulley 8 at its output end to rotate. Both pulleys 8 rub against belt 9. Motor 10 can also drive another pulley 8 to rotate simultaneously. This other pulley 8 is connected to rotating rod 5 and drives the bottom of rotating rod 5 to rotate. The end rotates inside the sleeve 7, and the spiral blades 6 at the bottom of the rotating rod 5 drive the sand and gravel to move into the sleeve 7 for automatic sampling of the sand and gravel pile. The vacuum pump 13 can extract the air inside the three-way pipe 15, making the inside of the three-way pipe 15 a negative pressure state. Through the action of air pressure difference, and through the cooperation of the filter element 14 and the connecting pipe 16, the sand and gravel inside the sleeve 7 are sucked up and intercepted into the inside of the three-way pipe 15. Then, the valve at the bottom of the three-way pipe 15 is opened to let the sand and gravel flow out from the bottom of the three-way pipe 15, so that people can obtain the sampled sand and gravel.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic sand and gravel sampling device, comprising a main frame (1), a moving plate (2), and a chute (4), characterized in that: The main frame (1) has a sliding groove (4) inside, and a moving plate (2) is slidably connected inside the sliding groove (4). A sampling mechanism is provided on the moving plate (2), and a lifting mechanism is provided at the top of the main frame (1). The sampling mechanism includes a rotating rod (5), a spiral blade (6), a sleeve (7), a pulley (8), a belt (9), and a No. 1 motor (10). The rotating rod (5) is rotatably connected inside the moving plate (2). The spiral blade (6) is fixedly connected to the bottom end of the rotating rod (5). The sleeve (7) is rotatably connected to the bottom end of the rotating rod (5). Two pulleys (8) are rotatably connected to both ends of the moving plate (2). A No. 1 motor (10) is fixedly connected to the bottom of one side of the moving plate (2). The two pulleys (8) are fixedly connected to the top end of the rotating rod (5) and the output end of the No. 1 motor (10), respectively.

2. The automatic sand and gravel sampling device according to claim 1, characterized in that: The lifting mechanism includes a second motor (11) and a lead screw (12). The lead screw (12) is rotatably connected to the top of the main frame (1). The bottom end of the lead screw (12) passes through the interior of the moving plate (2) and is threadedly connected to it. The second motor (11) is fixedly installed at the top of the main frame (1). The output end of the second motor (11) is fixedly connected to the top of the lead screw (12).

3. The automatic sand and gravel sampling device according to claim 1, characterized in that: The top of the sleeve (7) is connected to a connecting pipe (16), and a connecting frame (3) is fixedly connected to one side of the moving plate (2). The bottom of the connecting frame (3) is provided with a material suction mechanism.

4. The automatic sand and gravel sampling device according to claim 3, characterized in that: The suction mechanism includes a vacuum pump (13), a filter element (14) and a three-way pipe (15). The vacuum pump (13) is fixedly installed at the bottom of the connecting frame (3). The input end of the vacuum pump (13) is connected to the filter element (14). One end of the filter element (14) is connected to the three-way pipe (15). One end of the three-way pipe (15) is connected to one end of the connecting pipe (16).

5. The automatic sand and gravel sampling device according to claim 1, characterized in that: The top of the main frame (1) is provided with a protective shell, which is wrapped around the No. 2 motor (11), and multiple anti-collision strips are fixed on the outside of the protective shell.

6. The automatic sand and gravel sampling device according to claim 1, characterized in that: The bottom of the main frame (1) is designed as an L-shaped structure, and the bottom of the main frame (1) is symmetrically provided with reinforcing plates, the shape of which is triangular.

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