CN221959805U - Grain pile lower rod machine - Google Patents

Abstract

The utility model relates to a grain pile lower rod machine, which comprises a lower rod machine frame, wherein a probe rod storage mechanism is arranged on the lower rod machine frame, a lower rod mechanism is arranged on the lower rod machine frame and is positioned on the left side of the probe rod storage mechanism, the lower rod mechanism comprises a movable support which can move up and down under the drive of a vertical driving mechanism, an upper probe rod chuck capable of rotating with a probe rod is arranged on the movable support, a lower probe rod chuck is arranged on the lower rod machine frame and is positioned on the lower side of the upper probe rod chuck, a probe rod mechanical claw capable of moving left and right under the drive of a horizontal driving mechanism is arranged on the lower rod machine frame, the probe rod mechanical claw is used for sequentially grabbing a probe rod in the probe rod storage mechanism to the right upper side of the lowered probe rod, and the upper probe rod chuck is provided with a yielding position which can move up to avoid left and right of the probe rod carried by the probe rod mechanical claw. The utility model solves the technical problem that the connection between the probe rod and the probe rod in the prior art is easily affected by the horizontal pressure of the grain pile, so that the probe rod cannot be successfully recovered.

Description

Grain pile lower rod machine

Technical Field

The utility model relates to the field of sampling of bulk grain stacks, in particular to a grain stack lower rod machine.

Background

In the bulk grain storage process, in order to realize quality monitoring in bulk grain storage, grain products with specific depth are required to be sampled, a section of probe rod is required to be sent into a grain pile by means of a lower rod machine during sampling until the corresponding specific depth is reached, and then bulk grains with specific depth are pumped up through the probe rod.

The existing rod-pushing machine is an automatic rod-pushing mechanism and a grain pile rod-pushing device disclosed in Chinese patent CN209764300U, wherein the grain pile rod-pushing device comprises an automatic rod-pushing mechanism and a rod-pushing mechanism, the automatic rod-pushing mechanism comprises a probe rod warehouse for arranging a plurality of probe rods in parallel along the left-right direction, and an elastic pressing mechanism for applying elastic acting force towards each probe rod towards the right direction is arranged at the left side of a mechanism frame. The automatic rod connecting mechanism sequentially sends the probe rods between the two pairs of lower rod rollers, and the two lower rod rollers in each pair of lower rod rollers are driven by the driving mechanism to relatively rotate so as to insert the probe rods into the grain pile; after the sampling is finished, each probe rod is sequentially lifted out through a lower rod roller.

The existing grain pile lower rod device has the following problems: the probe rod is sent into the grain pile by utilizing the rotation of the lower rod roller, the lower rod roller is in contact rolling fit with the probe rod, the friction force between the lower rod roller and the probe rod is limited, the depth of the lower rod of the probe rod is limited, and when the friction force between the probe rod and bulk grain is large, the probe rod cannot be smoothly sent into the grain pile; the connection between probe rod and the probe rod adopts the concave-convex fit's location structure about, and the probe rod is when receiving bulk grain horizontal effort in grain heap, appears crooked state very easily, and this can lead to breaking away from between two adjacent probe rods, leads to the probe rod to be unable to be retrieved smoothly.

Disclosure of utility model

The utility model aims to provide a grain pile lower rod machine, which solves the technical problem that in the prior art, the connection between a probe rod and the probe rod is easily affected by the horizontal pressure of a grain pile, so that the probe rod cannot be successfully recovered.

In order to solve the technical problems, the technical scheme of the grain pile lower rod machine is as follows:

The utility model provides a grain pile lower beam machine, includes the lower beam machine frame, is provided with the probe rod mechanism of depositing that is used for a plurality of probes in the lower beam machine frame, in the lower beam machine frame the left side of probe rod mechanism of depositing is provided with down beam mechanism, down beam mechanism includes the movable support that can reciprocate under the drive of vertical actuating mechanism, be provided with on the movable support and can take the rotatory upside probe rod chuck of probe rod, be provided with downside probe rod chuck in the downside of upside probe rod chuck in the lower beam machine frame, be provided with the probe rod gripper that can control the removal under horizontal actuating mechanism in the left side of lower beam machine frame, the probe rod gripper is used for snatching the dead side of the probe rod that has fallen in order in the probe rod mechanism of depositing, upside probe rod chuck has the avoidance position that moves about carrying the probe rod with the probe rod gripper up.

Further, a crawler-type travelling mechanism is arranged on the lower rod machine frame, and travelling wheels of the crawler-type travelling mechanism are driven by travelling motors.

Further, the probe rod storage mechanism comprises one or at least two turntables which are arranged at intervals along the up-down direction, the rotation axis of each turntable extends along the up-down direction, each turntable is driven by the corresponding turntable driving mechanism, a plurality of probe rod clamping grooves are formed in the periphery of each turntable at intervals along the circumferential direction, each probe rod is respectively arranged in the corresponding probe rod clamping groove, and each probe rod can be separated from the corresponding probe rod clamping groove along the radial direction of the turntable under the action of the probe rod mechanical claws.

Further, at least one pair of probe guide wheels is arranged between the upper probe chuck and the lower probe chuck on the lower probe machine frame, and each pair of probe guide wheels comprises two matched probe guide wheels which are arranged at intervals along the left-right direction or the front-back direction and are in contact rolling with the periphery of the probe.

Further, guide rods which are vertically arranged are arranged on the front side and the rear side of the movable support on the lower rod machine frame, the movable support is assembled on the guide rods in a guiding and moving mode, and the vertical driving mechanism comprises an electro-hydraulic push rod which is vertically arranged, and the movable support is in transmission connection with the electro-hydraulic push rod.

Further, the movable support comprises a support cover with an open left side, the support cover comprises a support top plate, a support bottom plate and a support side plate connected between the support top plate and the right side of the support bottom plate, an upper probe rod claw is arranged on the support bottom plate, an electro-hydraulic push rod is positioned on the right front side of the lowered probe rod, the electro-hydraulic push rod is connected with the support top plate, two guide rods are respectively positioned on the left front side and the right rear side of the lowered probe rod, and the axis of the lowered probe rod is positioned on the moving path of the probe rod mechanical claw.

Further, the lower rod mechanism further comprises a vertical rod fixed on the lower rod machine frame, a guide rail extending along the left-right direction is fixed on the vertical rod, the guide rail is positioned at the rear side of the lowered probe rod, and the probe rod mechanical claw is arranged on the guide rail.

The beneficial effects of the utility model are as follows: according to the utility model, two adjacent probe rods in the up-down direction are connected through threads, the connection is firm, the probe rods cannot be separated by the horizontal acting force of a grain pile, in specific use, the upper probe rod chuck moves upwards to an avoidance position, the probe rod mechanical claw moves rightwards to grasp one probe rod, then the probe rod mechanical claw carries the probe rod to move leftwards and rightwards to a position coaxial with the upper probe rod chuck, then the upper probe rod chuck descends, the upper probe rod chuck clamps the upper end of the probe rod, the probe rod mechanical claw withdraws, the upper probe rod chuck descends with the probe rod until the lower end of the probe rod is in butt joint with the upper end of the lowered probe rod, the upper probe rod chuck rotates with the probe rod until the lower end of the probe rod is connected with the upper end of the lowered probe rod through threads, then the movable bracket descends with the probe rod through the upper probe rod chuck until the probe rod is inserted into the grain pile, and then the upper probe rod chuck loosens the probe rod, and moves upwards to the avoidance position, and the next probe rod is ready for connection.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to like or corresponding parts and in which:

FIG. 1 is a schematic view of one embodiment of a grain stacking and pole lowering machine of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a perspective view of FIG. 1;

Reference numerals illustrate: 1. a crawler-type travelling mechanism; 2. a lower rod machine frame; 3. a turntable; 4. a probe rod; 5. a probe rod storage mechanism; 6. a lower rod mechanism; 7. a bracket cover; 8. a guide rod; 9. a horizontal driving mechanism; 10. a guide rail; 11. a probe rod mechanical claw; 12. a mechanical arm; 13. an open mouth; 14. a bracket top plate; 15. an electro-hydraulic push rod; 16. an upper probe rod chuck; 17. a movable support; 18. a lower probe rod chuck; 19. a probe guide wheel; 20. a bracket side plate; 21. and a bracket bottom plate.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The embodiment of the grain pile lower rod machine is shown in fig. 1-4:

The crawler-type walking mechanism comprises a lower rod machine frame 2, wherein a crawler-type walking mechanism 1 is arranged at the bottom of the lower rod machine frame 2, walking wheels of the crawler-type walking mechanism 1 are driven by a walking motor, that is, the crawler-type walking mechanism is an electric rubber crawler-type walking mechanism, the electric rubber crawler-type walking mechanism belongs to the prior art, the structure of the electric rubber crawler-type walking mechanism is not described in detail, and the electric rubber crawler-type walking mechanism can facilitate the movement and walking of a lower rod machine of a grain pile on the surface of the grain pile.

The lower rod rack is provided with a probe rod storage mechanism 5 and a lower rod mechanism 6, the probe rod storage mechanism 5 is used for storing a plurality of probe rods 4, in the embodiment, the probe rod storage mechanism comprises two turntables 3 which are arranged at intervals along the up-down direction, the two turntables 3 are connected through a turntable intermediate shaft, the turntables are driven by a turntable driving mechanism, in the embodiment, the turntable driving mechanism comprises a turntable driving motor, and the turntable driving motor is in transmission connection with the turntable intermediate shaft.

The periphery of carousel has offered a plurality of probe card slots along circumference, and each probe 4 is installed respectively in the corresponding probe card slot of upper and lower carousel. The lower rod mechanism 6 is located on the left side of the probe rod storage mechanism 5, the lower rod mechanism 6 comprises a movable support 17 which can move up and down under the drive of a vertical driving mechanism, and an upper probe rod chuck 16 which can rotate with the probe rod is arranged on the movable support 17. In the embodiment, guide rods 8 which are vertically arranged are arranged on the lower rod machine frame 2 on the front side and the rear side of a movable support 17, the movable support is assembled on the guide rods in a guiding and moving mode, a vertical driving mechanism comprises an electro-hydraulic push rod 15 which is vertically arranged, and the movable support 17 is in transmission connection with the electro-hydraulic push rod 15. Specifically, the moving rack 17 includes a rack housing 7 having an opening 13 on the left side, and the rack housing 7 includes a rack top plate 14, a rack bottom plate, and a rack side plate 20 connected between the rack top plate 14 and the rack bottom plate, and the upper probe chuck 16 is provided on the rack bottom plate 21.

The electrohydraulic push rod 15 is positioned at the right front side of the lowered probe rod, the electrohydraulic push rod 15 is connected with the bracket top plate 14, the lowered probe rod is the probe rod with the bottom inserted into the grain pile, the lowered probe rod and the upper probe rod chuck are coaxially arranged, and the two guide rods 8 are respectively positioned at the left front side and the right rear side of the lowered probe rod. The upper probe rod chuck 16 is a pneumatic three-jaw chuck used on a machine tool, and the structure of the upper probe rod chuck belongs to the prior art, but in the embodiment, the axis of the upper probe rod chuck is arranged along the up-down direction, and the upper probe rod chuck comprises three jaws which can relatively move to clamp and fix the probe rod, and meanwhile, the pneumatic three-jaw chuck can also rotate with the probe rod.

The lower probe rod chuck 19 is arranged on the lower side of the upper probe rod chuck 16 on the lower rod machine frame 2, the lower probe rod chuck 19 and the upper probe rod chuck 16 are coaxially arranged, and the lower probe rod chuck is also a three-jaw chuck, except that the lower probe rod chuck does not need to rotate unlike the upper probe rod chuck.

The left side of lower pole machine frame in lower pole mechanism is provided with the probe rod gripper 11 that can control the removal under horizontal actuating mechanism, and the probe rod gripper is arranged in snatching the probe rod in the probe rod storage mechanism in order to the dead side of the probe rod that has fallen down, and upside probe rod chuck has and moves up in order to dodge the side of the probe rod gripper and carry the probe rod and move about and dodge the position. The probe rod can be separated from the corresponding probe rod clamping groove along the radial direction of the turntable under the action of the probe rod mechanical claw. The axis of the lowered probe rod is located in the path of movement of the probe rod gripper.

In this embodiment, the lower rod mechanism further includes a vertical rod fixed on the lower rod machine frame, a guide rail 10 extending in the left-right direction is fixed on the vertical rod, the guide rail is located at the rear side of the lowered probe rod, the probe rod mechanical claw is arranged on the guide rail through a moving block, the moving block is assembled on the guide rail in a guiding manner, the probe rod mechanical claw is arranged on the moving block, and the moving block is driven by a horizontal driving mechanism 9 to move left and right along the guide rail. In this embodiment, the horizontal driving mechanism 9 is a screw-nut driving mechanism, a screw in the screw-nut driving mechanism is driven by a servo motor, a moving block is in threaded connection with the screw, and the moving block forms a nut in the screw-nut driving mechanism. The servo motor can realize the drive movable block through driving the lead screw rotation and move about to bring the probe rod gripper and move about, the probe rod gripper also belongs to prior art, and it includes a pair of arm 11 that set up around, and the opposite side of two arms has the centre gripping concave part, and two arms can rotate relatively and rotate dorsad under arm power unit drive, and two arms relative rotation can realize the centre gripping to probe rod 4, and two arms rotate dorsad, can loosen the centre gripping to the probe rod.

At least one pair of probe guide wheels 20 are arranged between the upper probe chuck and the lower probe chuck on the lower probe machine frame, and each pair of probe guide wheels comprises two matched probe guide wheels 20 which are arranged at intervals along the left-right direction or the front-back direction and are in contact rolling with the periphery of the probe.

When the automatic grain pile feeding device is used, the electrohydraulic push rod 15 drives the movable support 17 to move upwards, the movable support 17 carries the upper probe rod chuck 16 to move upwards to the avoidance position, the horizontal driving mechanism drives the movable block to carry the probe rod mechanical claw to move rightwards through the lower side of the upper probe rod chuck, the probe rod mechanical claw reaches the corresponding probe rod position on the turntable, two mechanical arms of the probe rod mechanical claw open to grasp the probe rod 4, then the probe rod mechanical claw carries the probe rod to move to the lower side of the upper probe rod chuck, then the movable support carries the upper probe rod chuck to move downwards, the upper probe rod chuck carries the upper probe rod chuck to clamp and fix the probe rod, the probe rod mechanical claw is released to clamp the probe rod, the probe rod mechanical claw moves leftwards, the probe rod is carried by the movable support to descend, the lower end of the probe rod passes through the probe rod guide wheel and then passes through the lower probe rod chuck to insert the grain pile to become the lowered probe rod, when a new probe rod is needed to be added, the upper end of the lowered probe rod is fixed by the lower probe rod chuck, the movable support moves upwards to an avoidance position with the upper probe rod chuck, the turntable rotates to rotate the next probe rod to a position corresponding to the probe rod mechanical claw, the probe rod chucks are not affected when grabbing and placing, the probe rod mechanical claw moves rightwards to grab the lower side of the upper probe rod chuck, then the upper probe rod chuck descends, the upper probe rod chuck clamps and fixes the upper end of the probe rod, the probe rod mechanical claw is loosened, the probe rod mechanical claw moves leftwards to avoid the descending of the upper probe rod chuck, the upper probe rod chuck descends with the probe rod until the lower end of the probe rod is in butt joint with the upper end of the lowered probe rod, then the upper probe rod chuck descends with the probe rod, the upper probe rod chuck realizes the connection of the upper probe rod chuck and the lower probe rod chuck, then the lower probe rod chuck is loosened to insert the upper probe rod chuck into a grain pile with the probe rod, the circulation is realized that a plurality of probe rods are automatically connected with the lower rod. In the process that the upper probe rod chuck moves up and down relative to the probe rod, or in the process that the upper probe rod chuck moves up and down with the probe rod, the probe rod mechanical claw can conduct righting operation on the probe rod through the opening.

When the upper probe rod chuck is required to be retracted, the uppermost probe rod is lifted out of the grain pile, the upper probe rod chuck is positioned at the upper side of the probe rod mechanical claw, the lower probe rod chuck is fixed to the probe rod with the lower position, the upper probe rod chuck reversely rotates with the probe rod with the upper position, the upper probe rod chuck ascends at the same time, separation of the upper probe rod and the lower probe rod is realized, then the probe rod mechanical claw moves rightwards to grasp the probe rod with the upper position, the probe rod with the upper probe rod chuck at the upper position is loosened, the probe rod mechanical claw continues to move rightwards, the probe rod is clamped into the probe rod clamping groove on the turntable, recovery of one section of probe rod is realized, and recovery of all the probe rods can be realized through circulation.

In other embodiments of the present utility model, the probe rod storing mechanism may be other than a rotating disc type probe rod storing mechanism, for example, a chuck plate capable of moving back and forth is provided, a plurality of probe rod clamping grooves are provided on the left side of the chuck plate at intervals along the back and forth direction, each probe rod is assembled in the corresponding probe rod clamping groove, and each probe rod can be sent to a position corresponding to the probe rod mechanical claw through the back and forth movement of the chuck plate.

In the foregoing description of the present specification, the terms "fixed," "mounted," "connected," or "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, in terms of the term "coupled," it may be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other. Therefore, unless otherwise specifically defined in the specification, a person skilled in the art can understand the specific meaning of the above terms in the present utility model according to the specific circumstances.

Those skilled in the art will also appreciate from the foregoing description that terms such as "upper," "lower," "front," "rear," "left," "right," "length," "width," "thickness," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "center," "longitudinal," "transverse," "clockwise," or "counterclockwise" and the like are used herein for the purpose of facilitating description and simplifying the description of the present utility model, and thus do not necessarily have to have, configure, or operate in, the specific orientations, and thus are not to be construed or construed as limiting the present utility model.

In addition, the terms "first" or "second" and the like used in the present specification to refer to the numbers or ordinal numbers are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless explicitly defined otherwise.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a grain pile lower beam machine, includes the lower beam machine frame, is provided with the probe rod storage mechanism that is used for a plurality of probes to deposit in the lower beam machine frame, its characterized in that: the lower rod machine frame is provided with lower rod mechanism in the left side of probe rod storage mechanism, lower rod mechanism includes the movable support that can reciprocate under vertical actuating mechanism drives, be provided with on the movable support and can take the rotatory upside probe rod chuck of probe rod, be provided with downside probe rod chuck in the downside of upside probe rod chuck in the lower rod machine frame, be provided with the probe rod gripper that can control the removal under horizontal actuating mechanism in the left side of lower rod mechanism in the lower rod machine frame, the probe rod gripper is used for snatching the probe rod in the probe rod storage mechanism in order to the dead side of the probe rod that has fallen down, upside probe rod chuck has the avoidance position of upwards moving in order to dodge probe rod gripper carry the probe rod left and right movement.

2. The grain pile lower rod machine of claim 1, wherein: the probe rod storage mechanism comprises one or at least two turntables which are arranged at intervals along the up-down direction, the rotation axis of each turntable extends along the up-down direction, each turntable is driven by the corresponding turntable driving mechanism, a plurality of probe rod clamping grooves are formed in the periphery of each turntable at intervals along the circumferential direction, each probe rod is respectively arranged in the corresponding probe rod clamping groove, and each probe rod can be separated from the corresponding probe rod clamping groove along the radial direction of each turntable under the action of the corresponding probe rod mechanical claws.

3. The grain pile lower rod machine of claim 1, wherein: at least one pair of probe guide wheels are arranged between the upper probe chuck and the lower probe chuck on the lower probe machine frame, and each pair of probe guide wheels comprises two matched probe guide wheels which are arranged at intervals along the left-right direction or the front-back direction and are in contact rolling with the periphery of the probe.

4. A grain pile lower rod machine according to any one of claims 1 to 3, characterised in that: the lower rod machine frame is provided with guide rods which are vertically arranged on the front side and the rear side of the movable support, the movable support is assembled on the guide rods in a guiding and moving way, and the vertical driving mechanism comprises an electrohydraulic push rod which is vertically arranged, and the movable support is in transmission connection with the electrohydraulic push rod.

5. The grain pile lower rod machine of claim 4, wherein: the movable support comprises a support cover with an open left side, the support cover comprises a support top plate, a support bottom plate and a support side plate connected between the support top plate and the right side of the support bottom plate, an upper probe rod claw is arranged on the support bottom plate, an electro-hydraulic push rod is positioned on the right front side of the lowered probe rod and is connected with the support top plate, two guide rods are respectively positioned on the left front side and the right rear side of the lowered probe rod, and an axis of the lowered probe rod is positioned on a moving path of the probe rod mechanical claw.

6. The grain stacking and pole-lowering machine of claim 5, wherein: the lower rod mechanism further comprises a vertical rod fixed on the lower rod machine frame, a guide rail extending along the left-right direction is fixed on the vertical rod, the guide rail is positioned at the rear side of the lowered probe rod, and the probe rod mechanical claw is assembled on the guide rail.