Gravel stacking device with heating function

Abstract

The utility model discloses a gravel stockpiling device with a heating function, which comprises a plurality of gravel bins and a plurality of river sand bins which are arranged side by side, the gravel bins are used for stockpiling gravel with different particle size ranges, the river sand bins are used for stockpiling river sand, the gravel bins and the river sand bins are separated by partition walls, and the gravel bins and the river sand bins are separated by partition walls. And heating coils are arranged in the bottom surfaces of the gravel bin and the river sand bin. The heating coil is installed on the bottom face, stacked gravel can be heated and subjected to heat preservation, the gravel is heated to the temperature range meeting the requirement of concrete and then added into stirring equipment to be stirred into concrete, the performance of the concrete at the low temperature is improved, and the situation that the performance of the concrete is greatly affected due to the too low temperature is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of sand and gravel stacking equipment and relates to a sand and gravel stacking device with a heating function. Background Art

[0002] A large amount of concrete is used in the construction of high-speed railways. The concrete is prepared using an intelligent mixing station. Before preparation, the sand and gravel required for the concrete grade need to be placed in the stacking site for classification. When needed, loading equipment is used to take materials from the corresponding stacking site and send them to the feeding hopper of the mixing equipment. The quality of concrete has a great influence on the temperature of the sand and gravel, especially for construction in the north in winter, when the temperature drops to above -10°C. At this time, the quality of concrete is greatly affected by the temperature of the sand and gravel. Summary of the Invention

[0003] The technical problem to be solved by the utility model is: to provide a sand and gravel stacking device with a heating function, which can avoid the quality of concrete being affected under low temperature.

[0004] The technical solution adopted by the utility model is: a sand and gravel stacking device with a heating function, including a crushed stone bin and a river sand bin arranged side by side, multiple crushed stone bins are used to stack crushed stones of different particle size ranges, and multiple river sand bins are used to stack river sand. The multiple crushed stone bins and the multiple river sand bins, as well as the crushed stone bins and the river sand bins are separated by partition walls, and heating coils are arranged on the bottom surfaces of the crushed stone bin and the river sand bin.

[0005] In order to improve the safety of the heating coil during use and prevent trucks from entering and crushing the heating coil, coarse steel mesh layers and fine steel mesh layers are arranged on the upper and lower sides of the heating coil respectively. The heating coil, coarse steel mesh layer and fine steel mesh layer are placed in the concrete on the bottom to form a reinforced support layer. The coarse steel mesh layer and the fine steel mesh layer can better balance the load on the heating coil during use, distribute the force evenly, and avoid local damage caused by stress concentration. Support bars are arranged between the fine steel mesh layer and the foundation to facilitate the dense filling of concrete onto the foundation.

[0006] Furthermore, temperature sensors are arranged above the above-mentioned crushing bin and river sand bin. The temperature sensor adopts a thermocouple, and the temperature sensor is placed in the heat conducting tube. A spike portion is provided at the lower end of the heat conducting tube, and the upper end of the heat conducting tube is fixedly connected to the fixed push plate, and the fixed push plate is connected to the sliding plate through two guide rods and a linear bearing, and the two guide rods pass through the sliding plate and the two ends are fixedly connected to the linkage plate. A connecting ear is provided on the front side of the fixed push plate, and the connecting ear is fixedly connected to the cylinder rod of the cylinder, and the cylinder seat of the connecting cylinder is fixedly connected to the sliding plate. The sliding plate is connected to the slider 1 of the vertical linear module, and the back of the vertical linear module is fixedly connected to the transition plate, and the transition plate is fixedly connected to the slider 2 of the horizontal linear moving module. The horizontal linear moving module is fixedly connected to the crossbeam, and the crossbeam is fixedly connected at both ends to the track above the two partition walls through a front and rear walking mechanism. The two partition walls are the two outermost partition walls spanning multiple crushing bins or the two outermost partition walls spanning multiple river sand bins.

[0007] Furthermore, the heating coils arranged under each gravel bin and each river sand bin are connected in parallel to a main pipe, the main pipe is connected to a water pump and a hot water tank through a circulation pipeline, and the hot water tank is equipped with a heating device.

[0008] Furthermore, the track is fixedly connected to the partition wall via two channel steel columns, the grooves of the two channel steel columns are arranged opposite to each other, and a heightening baffle is detachably installed between the two channel steel columns.

[0009] Furthermore, gate machines are provided on the discharge sides of the above-mentioned gravel bin and river sand bin.

[0010] Furthermore, both sides of the partition wall are provided with length scales and a plurality of height scales, and the length scales and the plurality of height scales are evenly arranged along the front-to-back direction.

[0011] Furthermore, each of the above-mentioned gravel bins and river sand bins is equipped with a display screen, which is installed on the partition wall and is used to display aggregate type, particle size, remaining sand and gravel amount and temperature.

[0012] Beneficial effects of the present invention: Compared with the prior art, the present invention installs a heating coil on the bottom surface, which can heat and insulate the stacked sand and gravel, heat them to a temperature range that meets the requirements of concrete, and then add them to the mixing equipment to mix them into concrete, thereby improving the performance of concrete at low temperatures and avoiding significant impact on the performance of concrete due to excessively low temperatures. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the top view of the stacking device with heating function;

[0014] Figure 2 This is a schematic diagram of the front structure of a single bin of a stacking device with a heating function;

[0015] Figure 3 This is a schematic diagram of the side structure of a single bin of a stacking device with a heating function;

[0016] Figure 4 This is a schematic diagram of the heating coil heating connection structure;

[0017] Figure 5 Schematic diagram of the cross-sectional structure of the heating coil arrangement. DETAILED DESCRIPTION

[0018] The utility model will be further introduced below with reference to the accompanying drawings and specific embodiments.

[0019] Example 1: Figures 1 to 5 As shown, a sand and gravel stacking device with a heating function includes a crushed stone bin 1 and a river sand bin 2 arranged side by side. There are multiple crushed stone bins 1 for stacking crushed stones of different particle size ranges, and there are multiple river sand bins 2 for stacking river sand. The multiple crushed stone bins 1 and the multiple river sand bins 2, as well as the crushed stone bins 1 and the river sand bins 2, are separated by partition walls 3. The rear sides of the crushed stone bins 1 and the river sand bins 2 are provided with rear retaining walls 4. The bottom surfaces of the crushed stone bins 1 and the river sand bins 2 are provided with heating coils 5. The heating coils installed on the bottom surface can heat and insulate the stacked sand and gravel, and heat them to a temperature range that meets the requirements of concrete before adding them to the mixing equipment to be mixed into concrete, thereby improving the performance of the concrete at low temperatures and avoiding significant impact on the performance of the concrete due to excessively low temperature.

[0020] In order to improve the safety of the heating coil during use and prevent trucks from entering and crushing the heating coil, a coarse steel mesh layer 28 and a fine steel mesh layer 29 are arranged on the upper and lower sides of the heating coil 5 respectively. The heating coil 5, the coarse steel mesh layer 28 and the fine steel mesh layer 29 are placed in the concrete on the bottom surface. The coarse steel mesh layer 28 and the fine steel mesh layer 29 can better balance the load on the heating coil during use, distribute the force evenly, and avoid local damage caused by stress concentration. A support bar 31 is arranged between the fine steel mesh layer 29 and the foundation 30 to facilitate the filling of concrete densely onto the foundation 30. The concrete poured for the heating coil 5 is a layer of concrete poured later, forming an integrated structure with the foundation 30.

[0021] After heating the sand and gravel, in order to facilitate temperature measurement, temperature sensors 6 are arranged above the gravel bin 1 and the river sand bin 2. The temperature sensor 6 adopts a thermocouple and is placed in a heat conduction pipe 7. The lower end of the heat conduction pipe 7 is provided with a spike portion 32. The upper end of the heat conduction pipe 7 is fixedly connected to the fixed push plate 8. The fixed push plate 8 is connected to the L-shaped sliding plate 11 through two guide rods 9 and a linear bearing 10. After the two guide rods 9 pass through the sliding plate 11, the two ends are fixedly connected to the linkage plate 12. , a connecting ear 13 is provided on the front side of the fixed push plate 8, the connecting ear 13 is fixedly connected to the cylinder rod of the cylinder 14, the cylinder seat of the cylinder 14 is fixedly connected to the cylinder seat connecting ear 33 on the front side of the horizontal plate of the sliding plate 11, the vertical plate on the back of the sliding plate 11 is connected to the slider 1 of the vertical linear module 15, the back of the vertical linear module 15 is fixedly connected to the transition plate 16, the transition plate 16 is fixedly connected to the slider 2 of the horizontal linear moving module 17, and the horizontal linear moving module 17 is fixedly connected to On the crossbeam 18, the crossbeam 18 is fixedly connected at both ends and is connected to the track 20 above the two partition walls 3 through the front and rear walking mechanism 19. The two partition walls 3 are the two outermost partition walls spanning multiple gravel bins 1 or the two outermost partition walls spanning multiple river sand bins 2. By controlling the temperature sensor, multiple points are measured in each bin where sand and gravel are stacked, and measurements at different positions and different depths are achieved, which is conducive to taking the average of multiple values ​​of each sand and gravel bin as the evaluation value, making the measurement more accurate, the linear module moves, and the moving distance is accurate and stable. The insertion is guided by the spike part to avoid damage to the heat pipe and increase the service life of the heat pipe. The temperature sensor of the thermocouple is protected by the heat pipe, which can also increase the service life of the thermocouple and avoid the problem of damage caused by direct insertion of sand and gravel. The fixed push plate supported by the double guide rod is pushed by the cylinder, and the thermocouple moves to achieve smooth insertion. The linear module also facilitates the cylinder lifting to avoid collision with the partition wall in the two sand and gravel bins due to being too low.

[0022] In order to avoid waste of water resources, the heating coils 5 arranged under each gravel bin 1 and each river sand bin 2 are connected in parallel to the main pipe 21. The main pipe 21 is connected to the water pump 22 and the hot water tank 23 through a circulation pipeline. The hot water tank 23 is equipped with a heating device. The water resources are recycled back and forth through circulation to avoid waste of water resources and energy, reduce costs, and heat independently. The main pipe 21 includes an inlet main pipe and an outlet main pipe. The heating coils of each bin are connected to the circulation of the single bin through the main pipe 21 to realize independent connection. In order to facilitate independent control, electric valves are installed on the inlet main pipe and the outlet main pipe.

[0023] In order to simplify the support structure and stabilize the support, the track 20 is fixedly connected to the partition wall 3 through two channel steel columns 24. The grooves of the two channel steel columns 24 are arranged relative to each other, and at least one heightening baffle 25 is detachably installed between the two channel steel columns 24. The use of two channel steel columns can greatly improve the support stability of the track, and the channel steel columns can realize the heightening operation, which is easy and convenient. The two ends of the heightening baffle 25 fit tightly in the groove, and the joints of the two adjacent heightening baffles are respectively provided with slots and protrusions to improve the sealing and support stability.

[0024] In order to avoid adding sand and gravel incorrectly, a gate machine 26 is set on the discharge side of the gravel bin 1 and the river sand bin 2. When sand and gravel from the corresponding gravel bin are needed, the gate machine is opened and a forklift enters to transfer the materials to avoid promoting the material site and causing incorrect sand and gravel grading of the concrete.

[0025] In order to facilitate real-time and rough assessment of the amount of sand and gravel stored, length scales and multiple height scales are set on both sides of the partition wall 3. The multiple height scales are evenly arranged along the front and back directions. According to the height scale and length scale, and the width of the sand and gravel bin is known, the specific cubic meter of sand and gravel can be roughly assessed.

[0026] In order to facilitate understanding of the basic conditions of the sand and gravel bin, each crushed stone bin 1 and river sand bin 2 is equipped with a display screen 27, which is installed on the partition wall 3 and is used to display aggregate type, particle size, remaining sand and gravel amount and temperature.

[0027] The above is only a specific implementation method of the present invention, but the scope of protection of the present invention is not limited to this. Any technician familiar with the technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A sand and gravel stacking device with heating function, characterized in that: The invention comprises a crushed stone bin (1) and a river sand bin (2) arranged side by side. The crushed stone bin (1) is provided in plurality for stacking crushed stones of different particle size ranges. The river sand bin (2) is provided in plurality for stacking river sand. The plurality of crushed stone bins (1) and the plurality of river sand bins (2) as well as the crushed stone bins (1) and the river sand bins (2) are separated by partition walls (3). The rear sides of the crushed stone bins (1) and the river sand bins (2) are provided with rear retaining walls (4). The bottom surfaces of the crushed stone bins (1) and the river sand bins (2) are provided with heating coils (5).

2. The sand and gravel stacking device with heating function according to claim 1, characterized in that: A coarse steel mesh layer (28) and a fine steel mesh layer (29) are arranged on the upper side and the lower side of the heating coil (5), respectively. The heating coil (5), the coarse steel mesh layer (28) and the fine steel mesh layer (29) are placed in the concrete of the bottom surface to form a reinforced support layer. A support bar (31) is arranged between the fine steel mesh layer (29) and the foundation (30).

3. The sand and gravel stockpiling device with heating function according to claim 1, characterized in that: Temperature sensors (6) are arranged above the gravel bin (1) and the river sand bin (2). The temperature sensors (6) are thermocouples. The temperature sensors (6) are placed in the heat conducting tube (7). The lower end of the heat conducting tube (7) is provided with a spike portion (32). The upper end of the heat conducting tube (7) is fixedly connected to the fixed push plate (8). The fixed push plate (8) is connected to the sliding plate (11) through two guide rods (9) and a linear bearing (10). After the two guide rods (9) pass through the sliding plate (11), the two ends of the two guide rods (9) are fixedly connected to the linkage plate (12). A connecting ear (13) is provided on the front side of the fixed push plate (8). The connecting ear (13) is fixedly connected to the cylinder rod of the cylinder (14). The cylinder seat of (14) is fixedly connected to the sliding plate (11), the sliding plate (11) is connected to the slider 1 of the vertical linear module (15), the back of the vertical linear module (15) is fixedly connected to the transition plate (16), the transition plate (16) is fixedly connected to the slider 2 of the horizontal linear moving module (17), the horizontal linear moving module (17) is fixedly connected to the crossbeam (18), the crossbeam (18) is fixedly connected at both ends to the track (20) above the two partition walls (3) through the front and rear walking mechanisms (19), and the two partition walls (3) are the two partition walls spanning the outermost sides of multiple gravel bins (1) or the two partition walls spanning the outermost sides of multiple river sand bins (2).

4. The sand and gravel stockpiling device with heating function according to claim 1, characterized in that: The heating coils (5) arranged under each gravel bin (1) and each river sand bin (2) are connected in parallel to a main pipe (21), and the main pipe (21) is connected to a water pump (22) and a hot water tank (23) through a circulation pipeline. The hot water tank (23) is equipped with a heating device.

5. The sand and gravel stacking device with heating function according to claim 2, characterized in that: The track (20) is fixedly connected to the partition wall (3) through two channel steel columns (24), the grooves of the two channel steel columns (24) are arranged opposite to each other, and a heightening baffle (25) is detachably installed between the two channel steel columns (24).

6. The sand and gravel stockpiling device with heating function according to claim 1, characterized in that: A gate machine (26) is provided on the discharge side of the gravel bin (1) and the river sand bin (2).

7. The sand and gravel stockpiling device with heating function according to claim 1, characterized in that: Length scales and a plurality of height scales are provided on both sides of the partition wall (3), and the length scales and the plurality of height scales are evenly arranged along the front-to-back direction.

8. The sand and gravel stockpiling device with heating function according to claim 1, characterized in that: Each gravel bin (1) and river sand bin (2) is equipped with a display screen (27), which is mounted on the partition wall (3) and is used to display aggregate type, particle size, remaining sand and gravel amount, and temperature.

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