Automatic sampling device for concrete
By designing an automatic concrete sampling device, the problem of significant human factors has been solved, achieving automated sampling, improving sampling speed and data accuracy, reducing the risk of workplace injuries, and making it suitable for large-scale projects and high-frequency sampling scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANTUI JANEOO MACHINERY
- Filing Date
- 2025-07-01
- Publication Date
- 2026-06-19
AI Technical Summary
The current concrete sampling process is greatly affected by human factors, resulting in high time consumption, high labor costs, non-standard sampling, and large errors in slump values, which affect the production of concrete test blocks.
Design an automatic concrete sampling device, including a traveling trolley, a sampling hopper, a weighing device, and an auxiliary mechanism, to achieve automated sampling and unloading through track walking, a telescopic device, a weighing sensor, and the auxiliary mechanism.
This reduces manpower consumption, improves sampling speed and the accuracy of slump data, lowers the probability of workplace injuries, and meets the requirements for safe production.
Smart Images
Figure CN224382874U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete processing technology, specifically to an automatic concrete sampling device. Background Technology
[0002] As a core material in the construction industry, the strength of concrete directly determines the safety of building structures. Therefore, the industry needs to retain corresponding concrete test blocks for strength testing.
[0003] Before making concrete test blocks, samples need to be taken from the concrete mixing plant. This requires manual sampling and slump calculation, which is time-consuming and labor-intensive. Conventional methods no longer meet the demands for intelligence and convenience. The sampling process is also susceptible to many human factors, such as improper sampling leading to concrete waste and significant errors in slump calculation, all of which negatively impact the production of concrete test blocks. Therefore, it is necessary to design an automatic concrete sampling device to address the problem of significant human influence in existing concrete sampling technologies. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of this utility model is to provide an automatic concrete sampling device.
[0005] The technical solution adopted by this utility model to solve its technical problem is: an automatic concrete sampling device, including a traveling trolley and a sampling bucket. The traveling trolley travels on a track. The traveling trolley is equipped with a frame. A telescopic device is installed on the top of the frame. The telescopic device is equipped with a support arm and a cylinder. The support arm is hinged to a support frame. The support frame is slidably installed on the top of the frame. The cylinder rod of the cylinder is connected to one side of the support frame. The cylinder body is installed on the top of the frame. The cylinder drives the support frame and the support arm to move.
[0006] A weighing device is installed on the support frame. The weighing device is equipped with a weighing sensor. The lower part of the pressure head of the weighing sensor contacts the upper plane of the right end of the support arm, and the support arm remains horizontal.
[0007] The other end of the support arm is fixedly connected to the sampling bucket, which is equipped with a discharge door. The sampling bucket is located above the discharge chute, and an opening auxiliary mechanism and a closing auxiliary mechanism are installed inside the discharge chute.
[0008] Specifically, the track is a light rail system, and there are two tracks arranged in parallel.
[0009] Specifically, the traveling trolley is also equipped with a driven unit, a drive unit, and a protective cover. The driven unit includes a driven wheel axle, a driven bearing with a seat, and a driven wheel. The driven bearing with a seat and the driven wheel are mounted on the driven wheel axle. The driven bearing with a seat is fastened to the lower end of the frame. The driven bearing with a seat and the driven wheel are paired and symmetrically arranged with respect to the central axis of the frame. The driven wheel is in contact with the upper surface of the track.
[0010] Specifically, the drive unit includes a drive device, a drive sprocket, a driven sprocket, a drive chain, a drive wheel axle, a drive bearing seat, and drive wheels. The drive device is mounted on the frame, the drive sprocket is mounted on the output end of the drive device, the drive chain is sleeved on the drive sprocket and the driven sprocket, the driven sprocket, the drive bearing seat, and the drive wheels are mounted on the drive wheel axle, the drive bearing seat is fastened to the lower end of the frame, the drive wheels are in contact with the upper surface of the track, and the drive bearing seat and drive wheels are paired and symmetrically arranged with respect to the central axis of the frame. The drive unit drives the frame to move on the track.
[0011] Specifically, the telescopic device also includes a linear slide rail, a support ear plate, a support bearing, and a push plate. The linear slide rail has two support rods respectively located on the top of the two support rods in the frame. The support frame is slidably connected to the top of the linear slide rail. The support ear plate is located on the upper left side of the support frame. The support bearing is hinged to the support ear plate. The support arm is located on the upper end of the support bearing. The cylinder is located on the top of the frame. One end of the push plate is connected to the support frame, and the other end of the push plate is connected to the cylinder rod of the cylinder. The cylinder telescopically drives the sampling bucket to telescopically move.
[0012] Specifically, the weighing device is also equipped with vertical support rods and horizontal support rods. The vertical support rods have two symmetrically arranged about the central axis of the traveling trolley and are symmetrically installed on the support frame. The horizontal support rods are connected between the vertical support rods, and the weighing sensors are installed on the horizontal support rods.
[0013] Specifically, the bottom of the vehicle frame is provided with a limiting baffle, which contacts a limiting device. The limiting device is set on the ground at the concrete sampling point and the unloading point, and the limiting device adopts a limit switch.
[0014] Specifically, the door opening auxiliary mechanism adopts a baffle structure. The baffle is installed on the top of the unloading chute. The baffle contacts a support rod on one side of the sampling hopper. The support rod is connected to a hook. The included angle between the support rod and the hook is greater than 90°. A hinge with a return spring is installed at the connection between the support rod and the hook. The hinge is installed on the outer wall of the sampling hopper. When the support rod contacts the baffle, both the support rod and the hook swing upward, and the hook releases the unloading door.
[0015] Specifically, the door closing auxiliary mechanism adopts a roller structure. The roller is installed inside the unloading chute through a bracket. One side of the unloading door is hinged to the bottom of the sampling hopper, and the other side of the unloading door is provided with a hook connecting block. When the roller contacts the outside of the unloading door, it lifts the unloading door. The hook connecting block of the unloading door is hooked by the hook, and the unloading door closes.
[0016] This utility model has the following beneficial effects:
[0017] The automatic concrete sampling device and working method designed in this utility model enable automation to replace manual sampling, reduce manpower consumption, and significantly improve sampling speed. It is especially suitable for large-scale projects or high-frequency sampling scenarios.
[0018] The automatic concrete sampling device and working method designed in this utility model improve the accuracy of slump data and avoid human error.
[0019] The automatic concrete sampling device and working method designed in this utility model reduce worker contact, lower the probability of work-related injuries, and meet the requirements of safe production. Attached Figure Description
[0020] Figure 1 This is the main structural view of the automatic concrete sampling device.
[0021] Figure 2 This is a left view of the overall structure of the automatic concrete sampling device.
[0022] Figure 3 This is a schematic diagram of the opening process of the unloading gate of the automatic concrete sampling device.
[0023] Figure 4 This is a schematic diagram of the closing process of the unloading gate of the automatic concrete sampling device.
[0024] In the diagram: 1-track, 2-traveling trolley, 3-telescopic device, 4-weighing device, 5-sampling hopper, 6-limiting baffle, 7-limiting device, 8-door opening auxiliary device, 9-door closing auxiliary device, 10-unloading chute, 11-frame, 12-driven unit, 13-drive unit, 301-slide rail, 302-support frame, 303-support ear plate, 304-support bearing, 305-support arm, 306-cylinder. 307-Push plate, 401-Vertical support rod, 402-Horizontal support rod, 403-Weighing sensor, 1201-Driven wheel axle, 1202-Driven bearing with seat, 1203-Driven wheel, 1301-Drive unit, 1302-Drive sprocket, 1303-Driven sprocket, 1304-Drive chain, 1305-Drive wheel axle, 1306-Drive bearing with seat, 1307-Drive wheel, 1101-Support rod. Detailed Implementation
[0025] The technical solutions of the present utility model will be described in further detail below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0026] like Figures 1-4 As shown, an automatic concrete sampling device includes a track 1, a traveling trolley 2, a telescopic device 3, a weighing device 4, a sampling hopper 5, a limiting baffle 6, a limiting device 7, a door opening auxiliary device 8, a door closing auxiliary device 9, and a discharge chute 10.
[0027] Track 1 is a light rail system, consisting of two parallel tracks.
[0028] The traveling trolley 2 includes a frame 11, a driven unit 12 and a drive unit 13, and a telescopic device 3 is located on the upper end of the frame 11.
[0029] The telescopic device includes a linear slide rail 301, a support frame 302, a support ear plate 303, a support bearing 304, a support arm 305, a cylinder 306, and a push plate 307. The weighing device 4 includes a vertical support rod 401, a horizontal support rod 402, and a weighing sensor 403. The weighing device 4 is located on the upper right side of the support frame 302. The lower part of the pressure head of the weighing sensor 403 contacts the upper plane of the right end of the support arm 305 to keep the support arm 305 horizontal.
[0030] The sampling bucket 5 is located at the left end of the support arm 305, the limiting baffle 6 is located at the lower end of the frame 11, and the limiting device 7 is located near the concrete sampling point and the unloading point respectively. The limiting device 7 is a limit switch.
[0031] The door opening auxiliary device 8 and the door closing auxiliary device 9 are located inside the unloading chute 10. The door opening auxiliary device 8 adopts a baffle structure. The baffle is installed on the top of the unloading chute 10. The baffle contacts the support rod on one side of the sampling hopper 5. The support rod is connected to a hook. The included angle between the support rod and the hook is greater than 90°. A hinge with a return spring is installed at the connection between the support rod and the hook. The hinge is installed on the outer wall of the sampling hopper 5. When the sampling hopper 5 extends with the support arm 305, the support rod and the hook swing upward when they contact the baffle. The hook releases the unloading door, and the unloading door opens.
[0032] The closing auxiliary mechanism 9 adopts a roller structure. The roller is installed inside the unloading chute 10 through a bracket. One side of the unloading gate is hinged to the bottom of the sampling hopper 5. The other side of the unloading gate is provided with a hook connecting block. When the sampling hopper 5 is retracted with the support arm 305, the roller contacts the outside of the unloading gate and lifts the unloading gate. The hook connecting block of the unloading gate is hooked by the hook, and the unloading gate closes.
[0033] Driven unit 12 includes driven wheel axle 1201, driven bearing 1202 and driven wheel 1203. Driven bearing 1202 and driven wheel 1203 are mounted on driven wheel axle 1201. Driven bearing 1202 is fastened to the lower end of frame 11. Driven bearing 1202 and driven wheel 1203 are paired and symmetrically arranged with the central axis of frame 11. Driven wheel 1203 is in contact with the upper surface of track 1.
[0034] The drive unit 13 includes a drive device 1301, a drive sprocket 1302, a driven sprocket 1303, a drive chain 1304, an axle 1305, a seated bearing 1306, and a wheel 1307. The drive device 1301 is mounted on the frame 11. The drive sprocket 1302 is mounted on the output end of the drive device 1301. The drive chain 1304 is sleeved on the drive sprocket 1302 and the driven sprocket 1303. The driven sprocket 1303, the drive seated bearing 1306, and the drive wheel 1307 are mounted on the drive axle 1305. The drive seated bearing 1306 is fastened to the lower end of the frame 11. The drive wheel 1307 is in contact with the upper surface of the track 1. The drive seated bearing 1306 and the drive wheel 1307 are paired and symmetrically arranged with the central axis of the frame 11. The drive unit 13 drives the frame 11 to travel on the track 1.
[0035] Two linear slide rails 301 are respectively set on the upper ends of the two support rods 1101 in the frame 11. The support frame 302 is set on the upper end of the linear slide rails 301. The support ear plate 303 is set on the upper left side of the support frame 302. The support bearing 304 is hinged to the support ear plate 303. The support arm 305 is set on the upper end of the support bearing 304. The cylinder 306 is set on the upper end of the frame 11. One end of the push plate 307 is connected to the support frame 302, and the other end is connected to the end of the cylinder 306. The cylinder 306 extends and retracts, driving the sampling bucket 5 to extend and retract.
[0036] The two support rods 1101 are set parallel and symmetrically to the central axis of the traveling trolley 2.
[0037] The weighing device 4 includes a vertical support rod 401, a horizontal support rod 402, and a weighing sensor 403. The support rod 401 consists of two rods and is symmetrical about the central axis of the traveling trolley 2, located on the upper right side of the support frame 302. The horizontal support rod 402 is located on the upper part of the vertical support rod 401, and the weighing sensor 403 is located in the middle of the upper end of the horizontal support rod 402.
[0038] like Figures 3-4 As shown, the sampling and weighing steps are as follows: The trolley 2 travels on the track 1. When it reaches the sampling point, the limit baffle 6 touches the limit device 7, the drive unit 13 stops driving, the trolley 2 stops traveling, the telescopic device 3 pushes the sampling bucket 5 to extend to receive the sample, and after the sampling is completed, the telescopic device 3 retracts the sampling bucket 5, and the weighing device 4 weighs the sample.
[0039] Concrete slump testing steps: When the traveling trolley 2 reaches the unloading chute 10, the limit baffle 6 touches the limit device 7, the drive unit 13 stops driving, the traveling trolley 2 stops moving, the telescopic device 3 pushes the sampling bucket 5 to extend, the sampling bucket 5 touches the door opening auxiliary device 8 and then the sampling bucket 5 opens to unload the material, the weighing device 4 calculates the concrete slump using the time taken to complete the unloading, and when the telescopic device 3 retracts, the sampling bucket 5 contacts the door closing auxiliary device 9 to close the door.
[0040] This utility model is not limited to the above-described embodiments. Anyone should know that any structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model.
[0041] The technologies, shapes, and structures not described in detail in this utility model are all known technologies.
Claims
1. An automatic concrete sampling device, characterized in that, The system includes a trolley (2) and a sampling bucket (5). The trolley (2) travels on a track (1). The trolley (2) is equipped with a frame (11). A telescopic device (3) is installed on the top of the frame (11). The telescopic device (3) is equipped with a support arm (305) and a cylinder (306). The support arm (305) is hinged to a support frame (302). The support frame (302) is slidably installed on the top of the frame (11). One side of the support frame (302) is connected to the cylinder rod of the cylinder (306). The cylinder body of the cylinder (306) is installed on the top of the frame (11). The cylinder (306) drives the support frame (302) and the support arm (305) to move. A weighing device (4) is installed on the support frame (302). The weighing device (4) is equipped with a weighing sensor (403). The lower part of the pressure head of the weighing sensor (403) contacts the upper right end of the support arm (305). The support arm (305) remains horizontal. The other end of the support arm (305) is fixedly connected to the sampling bucket (5). The sampling bucket (5) is equipped with a discharge door. The sampling bucket (5) is located above the discharge chute (10). The discharge chute (10) is equipped with an opening auxiliary mechanism (8) and a closing auxiliary mechanism (9).
2. The automatic concrete sampling device according to claim 1, characterized in that, The track (1) is a light rail, and there are two tracks (1) arranged in parallel.
3. The automatic concrete sampling device according to claim 1, characterized in that, The traveling trolley (2) is also provided with a driven unit (12), a drive unit (13) and a protective cover (14). The driven unit (12) includes a driven wheel axle (1201), a driven bearing (1202) and a driven wheel (1203). The driven bearing (1202) and the driven wheel (1203) are mounted on the driven wheel axle (1201). The driven bearing (1202) is fastened to the lower end of the frame (11). The driven bearing (1202) and the driven wheel (1203) are paired and symmetrically arranged on the central axis of the frame (11). The driven wheel (1203) is in contact with the upper surface of the track (1).
4. The automatic concrete sampling device according to claim 3, characterized in that, The drive unit (13) includes a drive device (1301), a drive sprocket (1302), a driven sprocket (1303), a drive chain (1304), a drive wheel axle (1305), a drive belt bearing (1306), and drive wheels (1307). The drive device (1301) is mounted on the frame (11), the drive sprocket (1302) is mounted on the output end of the drive device (1301), and the drive chain (1304) is sleeved on the drive sprocket (1302) and the driven sprocket (1307). On the drive wheel axle (1305), the driven sprocket (1303), the drive bearing (1306) and the drive wheel (1307) are mounted on the drive wheel axle (1305). The drive bearing (1306) is fastened to the lower end of the frame (11). The drive wheel (1307) is in contact with the upper surface of the track (1). The drive bearing (1306) and the drive wheel (1307) are paired and symmetrically arranged with respect to the central axis of the frame (11). The drive unit (13) drives the frame (11) to travel on the track (1).
5. The automatic concrete sampling device according to claim 1, characterized in that, The telescopic device (3) is also provided with a linear slide rail (301), a support ear plate (303), a support bearing (304), and a push plate (307). The linear slide rail (301) is provided with two support rods (1101) respectively set on the top of the frame (11). The support frame (302) is slidably connected to the top of the linear slide rail (301). The support ear plate (303) is set on the upper left side of the support frame (302). The support bearing (304) is hinged to the support ear plate (303). The support arm (305) is set on the upper end of the support bearing (304). The cylinder (306) is set on the top of the frame (11). One end of the push plate (307) is connected to the support frame (302), and the other end of the push plate (307) is connected to the cylinder rod of the cylinder (306). The cylinder (306) telescopically drives the sampling bucket (5) to telescopically move.
6. The automatic concrete sampling device according to claim 1, characterized in that, The weighing device (4) is also provided with a vertical support rod (401) and a horizontal support rod (402). The vertical support rod (401) has two symmetrically arranged on the central axis of the traveling trolley (2) and is symmetrically installed on the support frame (302). The vertical support rod (401) is connected to the horizontal support rod (402), and the weighing sensor (403) is installed on the horizontal support rod (402).
7. The automatic concrete sampling device according to claim 1, characterized in that, The bottom of the frame (11) is provided with a limiting baffle (6), which contacts the limiting device (7). The limiting device (7) is set on the ground at the concrete sampling point and the unloading point respectively. The limiting device (7) adopts a limit switch.
8. The automatic concrete sampling device according to claim 1, characterized in that, The door opening auxiliary mechanism (8) adopts a baffle structure. The baffle is installed on the top of the unloading chute (10). The baffle contacts the support rod on one side of the sampling bucket (5). The support rod is connected to a hook. The included angle between the support rod and the hook is greater than 90°. A hinge with a return spring is installed at the connection between the support rod and the hook. The hinge is installed on the outer wall of the sampling bucket (5). When the support rod contacts the baffle, both the support rod and the hook swing upward, and the hook releases the unloading door.
9. The automatic concrete sampling device according to claim 8, characterized in that, The closing auxiliary mechanism (9) adopts a roller structure. The roller is installed inside the unloading chute (10) through a bracket. One side of the unloading gate is hinged to the bottom of the sampling hopper (5). The other side of the unloading gate is provided with a hook connecting block. When the roller contacts the outside of the unloading gate, it lifts the unloading gate. The hook connecting block of the unloading gate is hooked by the hook, and the unloading gate closes.