In-place detection device of automatic grain sampler

Abstract

The utility model discloses an in-place detection device of an automatic grain sampler, the in-place detection device comprises a switch, a contact of the switch is in movable contact with a deflector rod, the deflector rod is hinged on the surface of the side wall of the sampler through a hinge shaft, the other end part of the deflector rod penetrates through a second fixed rod and is fixed with a cup seat through a fixed sleeve thread, and the cup seat is fixed on the other end part of the deflector rod. The bottom of the second fixing rod is movably connected with a probe, and the top of the probe is in movable contact with the shifting rod. The beneficial effects of the utility model are that through the jacking of the cup base or the probe, the driving lever is driven to rotate around the hinge shaft, and then one end part of the driving lever is driven to be contacted with the contact of the switch to trigger the switch to generate an electric signal for switching on or switching off, thereby realizing the purpose of in-place detection.

Description

Technical Field

[0001] The utility model belongs to the technical field of grain sampling for open grain trucks in ports, and particularly relates to a position detection device for a grain automatic sampler. Background Art

[0002] The position detection in existing equipment is achieved through a single detection means. For example, Chinese Utility Model Patent CN201520568741.X provides a position detection device, an output mechanism and an automatic packaging equipment. The automatic packaging equipment includes: a central control device, a frame body, a first activity meter, a packaging mechanism and an output mechanism; the packaging mechanism includes a peristaltic pump, a diluent container, a sampling mechanism and a mother liquor mechanism including a mother liquor tank, and the mother liquor mechanism is fixedly installed on the frame body; it also includes a first guide rail and a first driving mechanism, and the sampling mechanism is fixed on the first driving mechanism through a slider; the sampling mechanism includes a second guide rail, a second driving mechanism and a sampling rod installed on the second driving mechanism, and a sampling needle is arranged at the bottom end of the sampling rod; the sampling needle passes through the peristaltic pump through a connecting pipe and is respectively communicated with the diluent container and the mother liquor tank; the sampling mechanism, the first activity meter and the output mechanism are arranged in sequence along the first guide rail, and the first activity meter and the output mechanism are both arranged under the platform of the frame body; the peristaltic pump and the first activity meter are both electrically connected with the central control device.

[0003] In the scenario where the utility model patent is applied, it is necessary to simultaneously detect the depth of insertion into the grain and whether the bottom of the cargo compartment is touched. When detecting the depth of insertion into the grain, it can be determined whether the sampling chamber continues to penetrate for sampling. When detecting whether the bottom of the cargo compartment is touched, it can prevent the sampler from colliding with the bottom of the cargo compartment. Using two sets of detection systems will result in a complex structure and high cost of the sampler. Summary of the Invention

[0004] The purpose of the embodiment of the utility model is to provide a position detection device for a grain automatic sampler, aiming to solve the problem that in the scenario where the utility model patent is applied, it is necessary to simultaneously detect the depth of insertion into the grain and whether the bottom of the cargo compartment is touched. When detecting the depth of insertion into the grain, it can be determined whether the sampling chamber continues to penetrate for sampling. When detecting whether the bottom of the cargo compartment is touched, it can prevent the sampler from colliding with the bottom of the cargo compartment. Using two sets of detection systems will result in a complex structure and high cost of the sampler.

[0005] The embodiment of the utility model is implemented as follows:

[0006] A position detection device for a grain automatic sampler, the position detection device includes a switch, the contact of the switch is in movable contact with a lever, the lever is hinged on the side wall surface of the sampler through a hinge shaft, the other end of the lever passes through a second fixing rod and is threadedly fixed with a cup seat through a fixing sleeve, the bottom of the second fixing rod is movably connected with a probe, and the top of the probe is in movable contact with the lever.

[0007] Furthermore, the lever includes an L-shaped plate, one end of which is in active contact with the contact of the switch; the other end of the L-shaped plate is threadedly connected to a fourth fixing rod through a first connecting end, and the middle part of the L-shaped plate is hinged to the side wall surface of the sampler through a hinge shaft.

[0008] Furthermore, a second connecting head is provided on the top of the cup holder, the second connecting head is threadedly connected to a first fixing rod, and the first fixing rod is fixedly connected to the fixing sleeve.

[0009] Furthermore, the fixing sleeve is provided with two fixing holes perpendicular to each other, namely a first fixing hole and a second fixing hole, the first fixing rod is threadedly connected in the first fixing hole, and the fourth fixing rod is threadedly connected in the second fixing hole.

[0010] Furthermore, the bottom of the second fixing rod is threadedly connected to a connecting sleeve via a second threaded connecting portion; a limiting platform is provided at the bottom of the connecting sleeve to form a through hole with a diameter smaller than the inner hole of the connecting sleeve.

[0011] Furthermore, a convex cylindrical boss is inserted into the through hole, the boss of the convex cylinder cooperates with the limit platform, the center of the convex cylinder is threadedly connected to the top of the probe through a first threaded connection part, and the probe sleeve is provided with a reset spring; a through groove is provided in the middle of the connecting sleeve, and the fourth fixing rod passes through the through groove.

[0012] The positive effect of the utility model is as follows: by lifting the cup seat or the probe, the lever is driven to rotate around the hinge shaft, thereby driving one end of the lever to come into contact with the contact of the switch, triggering the switch to generate an electrical signal of on or off, thereby achieving the purpose of in-place detection; at the same time, since the bottom surface of the cup seat is wider than the probe, it is used to detect whether the sampler has penetrated to a specified depth in the grain; the probe is used to detect that there is no grain in the cargo box, or when there is not much grain, the sampler reaches the in-place signal at the bottom of the cargo box; once the switch generates a signal, the sampler immediately stops moving downward. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of an in-place detection device of an automatic grain sampler of the utility model;

[0014] Figure 2 yes Figure 1 The in-place detection device E of the automatic grain sampler of the utility model is enlarged;

[0015] Figure 3 yes Figure 1 The structural schematic diagram of a fixing sleeve in an in-place detection device of an automatic grain sampler of the utility model is shown in FIG.

[0016] Legend: 1—fixed sleeve, 101—first fixing hole, 102—second fixing hole, 2—first fixing rod, 3—second fixing rod, 301—first threaded connection part, 302—second threaded connection part, 303—connection sleeve, 304—boss, 305—limiting platform, 4—first connection end, 5—hinged shaft, 6—third fixing rod, 7—switch, 8—L-shaped plate, 9—sampling groove, 10—guide block, 11—probe, 12—bottom surface of sampler, 1201—sliding frame, 13—probe guide seat, 14—sampler, 15—reset spring, 16—cup holder, 17—second connection head, 18—fourth fixing rod. Detailed implementation manners

[0017] The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments:

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0019] In order to make the purpose, technical solution and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0020] As Figure 1 shown, it is a structural diagram of a in-place detection device for an automatic grain sampler provided by an embodiment of the present utility model, including: a switch 7, a contact of the switch 7 is in movable contact with a lever, the lever is hinged to the side wall surface of the sampler 14 through a hinged shaft 5, the other end of the lever passes through the second fixing rod 3 and is threadedly fixed with a cup holder 16 through a fixed sleeve 1, the bottom of the second fixing rod 3 is movably connected with a probe 11, and the top of the probe 11 is in movable contact with the lever.

[0021] In the embodiment of the present utility model, through the lifting of the cup holder 16 or the probe 11, the lever is driven to rotate around the hinge shaft 5, and then one end of the lever is brought into contact with the contact of the switch 7, triggering the switch 7 to generate an on or off electrical signal, achieving the purpose of in-place detection; at the same time, since the bottom surface of the cup holder 16 is wider than that of the probe 11, it is used to detect that the sampler has penetrated to a specified depth in the grain; the probe 11 is used to detect the in-place signal when there is no grain or little grain in the cargo box and the sampler 14 reaches the bottom of the cargo box; once the switch generates a signal, the sampler immediately stops moving downward.

[0022] Specifically, as Figure 1 and Figure 2 shown, a in-place detection device for an automatic grain sampler includes:

[0023] A switch 7, and a lever is in movable contact with the contact of the switch 7;

[0024] The lever includes an L-shaped plate 8, one end of the L-shaped plate 8 is in movable contact with the contact of the switch 7; the other end of the L-shaped plate 8 is threadedly connected with a fourth fixing rod 18 through a first connection end 4, and the middle of the L-shaped plate 8 is hinged to the side wall surface of the sampler 14 through a hinge shaft 5; the middle of the fourth fixing rod 18 passes through a second fixing rod 3 and is threadedly fixed with a cup holder 16 through a fixing sleeve 1, the bottom of the second fixing rod 3 is movably connected with a probe 11, and the top of the probe 11 is in movable contact with the lever;

[0025] The top of the cup holder 16 is provided with a second connection head 17, and the second connection head 17 is threadedly connected with a first fixing rod 2, and the first fixing rod 2 is fixedly connected with the fixing sleeve 1.

[0026] In this embodiment, the sampler 14 is provided with a sliding frame 1201, a sampling groove 9 and a guide block 10 are slidably arranged at the bottom of the sliding frame 1201, a third fixing rod 6 is fixed at the top of the sampling groove 9, and the third fixing rod 6 pushes the sampling groove 9 to enter the interior of the grain for sampling under the guidance of the guide block 10, and the in-place detection device is fixed above the sampling groove 9.

[0027] As Figure 2 shown, the bottom of the second fixing rod 3 is threadedly connected with a connecting sleeve 303 through a second threaded connection part 302; a limiting table 305 is arranged at the bottom of the connecting sleeve 303 to form a through hole with a diameter smaller than the inner hole of the connecting sleeve 303, a convex-shaped cylindrical boss is inserted into the through hole, and the boss 304 of the convex-shaped cylinder cooperates with the limiting table 305 to prevent the convex-shaped cylinder from falling out of the connecting sleeve 303. The center of the convex-shaped cylinder is threadedly connected with the top of the probe 11 through a first threaded connection part 301, and a return spring 15 is sleeved on the probe 11; a through groove is arranged in the middle of the connecting sleeve 303, and the fourth fixing rod 18 passes through the through groove.

[0028] As Figure 1As shown, the fixed sleeve 1 is provided with two mutually perpendicular fixing holes, namely a first fixing hole 101 and a second fixing hole 102. The first fixing rod 2 is threadedly connected in the first fixing hole 101, and the fourth fixing rod 18 is threadedly connected in the second fixing hole 102.

[0029] Since the bottom surface of the cup holder 16 is wider than that of the probe 11, it is used to detect that the sampler has reached a specified depth in the grain. When the cup holder 16 contacts the grain, under the push of the grain, the cup holder 16 drives the fourth fixing rod 18 to rotate around the hinge shaft 5, so that one end of the L-shaped plate 8 is in movable contact with the contact of the switch 7, pressing the contact of the switch 7, triggering the switch 7 to generate an on or off electrical signal, and achieving the purpose of in-place detection.

[0030] The probe 11 is used to detect the in-place signal when there is no grain or little grain in the cargo box and the sampler 14 reaches the bottom of the cargo box. When the sampler 14 reaches the bottom of the cargo box, the probe 11 contacts the bottom of the cargo box, driving the fourth fixing rod 18 to rotate around the hinge shaft 5, so that one end of the L-shaped plate 8 is in movable contact with the contact of the switch 7, pressing the contact of the switch 7, triggering the switch 7 to generate an on or off electrical signal, and achieving the purpose of in-place detection. Once the switch generates a signal, the sampler immediately stops moving downward.

[0031] The foregoing has broadly outlined some aspects and features of the various embodiments, which should be construed as merely illustrative of various potential applications. Other beneficial results can be obtained by applying the disclosed information in different ways or by combining various aspects of the disclosed embodiments. Based on the scope defined by the claims, a more comprehensive understanding of other aspects can be obtained by referring to the detailed description of the exemplary embodiments in conjunction with the drawings.

[0032] The above embodiments have described the present invention in detail. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions, deletions, and substitutions made by those skilled in the art within the scope of the essence of the present invention also fall within the protection scope of the present invention.

Claims

1. A grain automatic sampler in-place detection device, characterized in that: The in-place detection device includes a switch, a contact of the switch movably contacts a lever, the lever is hinged to the side wall surface of the sampler through a hinge shaft, the other end of the lever passes through a second fixed rod and is threadedly fixed to a cup holder through a fixed sleeve, the bottom of the second fixed rod is movably connected to a probe, and the top of the probe is movably contacted with the lever.

2. According to claim 1, a grain automatic sampler in-place detection device is characterized in that: The lever comprises an L-shaped plate, one end of which is in active contact with the contact of the switch; the other end of the L-shaped plate is threadedly connected to a fourth fixing rod through a first connecting end, and the middle part of the L-shaped plate is hinged to the side wall surface of the sampler through a hinge shaft.

3. The in-place detection device for an automatic grain sampler according to claim 2, characterized in that: A second connector is provided on the top of the cup holder, the second connector is threadedly connected to a first fixing rod, and the first fixing rod is fixedly connected to the fixing sleeve.

4. The in-place detection device for an automatic grain sampler according to claim 3, characterized in that: The fixing sleeve is provided with two fixing holes perpendicular to each other, namely a first fixing hole and a second fixing hole. The first fixing rod is threadedly connected in the first fixing hole, and the fourth fixing rod is threadedly connected in the second fixing hole.

5. The in-place detection device for an automatic grain sampler according to claim 4, characterized in that: The bottom of the second fixing rod is threadedly connected with a connecting sleeve through a second threaded connecting part; a limiting platform is provided at the bottom of the connecting sleeve to form a through hole with a diameter smaller than the inner hole of the connecting sleeve.

6. The in-place detection device for an automatic grain sampler according to claim 5, characterized in that: A convex cylindrical boss is inserted into the through hole, the boss of the convex cylindrical cooperates with the limit platform, the center of the convex cylinder is threadedly connected to the top of the probe through a first threaded connection part, and the probe sleeve is provided with a reset spring; a through groove is provided in the middle of the connecting sleeve, and the fourth fixing rod passes through the through groove.

Images