CN114486326B - A rapid detection device for grain mildew - Google Patents
A rapid detection device for grain mildew Download PDFInfo
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- CN114486326B CN114486326B CN202210014746.2A CN202210014746A CN114486326B CN 114486326 B CN114486326 B CN 114486326B CN 202210014746 A CN202210014746 A CN 202210014746A CN 114486326 B CN114486326 B CN 114486326B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
The invention discloses a rapid detection device for grain mildew, which belongs to the technical field of grain detection and comprises a sample detection seat, wherein the sample detection seat is slidably connected to the top of a bin body, support plates are fixedly arranged on two sides of the bottom of the sample detection seat, one side of each support plate is movably connected with a support mechanism, and the support mechanism is attached to one side of the inner cavity of the bin body. According to the invention, the cavity at the other side of the dividing plate can be driven to rotate to the sample feeding groove at one side of the sampling sleeve by screwing the handle, so that grains to be sampled can collapse into the cavity of the dividing plate under the action of gravity, uniform feeding can be carried out by rotating the dividing plate in a reciprocating mode, sampling uniformity is effectively improved, after one-side deep sampling is carried out, the deeper grains can be sampled by continuing to connect the sampling sleeve, meanwhile, the separation depth of the dividing plate in the sampling sleeve is balanced, positioning and traceability detection can be carried out on the samples in the granary according to the sample depth when the samples are taken out, and the sampling difficulty is effectively reduced.
Description
Technical Field
The invention belongs to the technical field of grain detection, and particularly relates to a rapid detection device for grain mildew.
Background
After the grain is collected, the grain is generally required to be stored for a long time, and the grain mildew is degradation caused by decomposing organic substances in the grain by microorganisms, that is to say, the nutrition metabolism activity performed by the microorganisms is the root cause of the grain mildew. Grain microorganisms are distributed on the surface and inside of grain kernels and are divided from their sources into a field microflora and a storage microflora. Microorganisms in the field exist when harvesting, and can still be hidden in grain after drying treatment, such as alternaria, epiphora and Fusarium; the stored microorganisms are mainly formed after storage, mainly aspergillus and penicillium with dry resistance.
In the whole process from the harvesting period to the warehousing period, the harvesting machine, the threshing machine, the conveying equipment and the metal devices in the airing process inevitably rub and collide with grains, so that the surfaces of the grains are damaged. Microorganisms in the grains are mainly from soil, and the microorganisms can spread on the surfaces of the grains and invade damaged grains by means of vital activities of pests and mites; the method is characterized in that a large amount of pests are bred, the generated damp and hot gas can increase the moisture and the temperature rise of grains, the growth and the breeding of microorganisms are facilitated, and the phenomenon of worm mildew alternation occurs, so that a detection device is needed to be used for sampling and detecting mildewed grains in a granary, chinese patent document CN112505037A discloses a grain mildew detection device with different depths in the granary, the grain mildew detection device with different depths in the granary comprises a shell, a rotating shaft, a threaded rod and a guide rod which are parallel to each other are arranged in the shell, and the rotating shaft, the threaded rod and the wall body of the shell are rotatably arranged; only when the shell inserts the suitable degree of depth of grain, can make the dodge gate open again and store grain in the grain storage frame, make the grain that detects come from the grain that needs the detection degree of depth department almost, guaranteed the sample purity of waiting to detect the grain, guaranteed the accuracy of detection data, moreover, be located the grain in the grain storage frame and by the whole back that detects, when removing the shell again and detect the grain of other degree of depth departments, the grain storage frame is removed again this moment and is provided the sample of waiting to detect the grain, but in the in-service use, single grain storage frame can not satisfy sampling uniformity very well, lead to waiting to detect the mixture of grain when inserting the sample easily, influence the processing needs to different degree of depth sample sampling.
Disclosure of Invention
The invention aims at: in order to solve the problem that a single grain storage frame cannot well meet sampling uniformity, mixing of grains to be detected is easily caused when sampling is inserted, and processing requirements for sampling samples with different depths are affected, the provided rapid detection device for mildew of grains is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a grain mould becomes quick detection device, includes the sample detection seat, sample detection seat sliding connection is at the storehouse body top, sample detection seat bottom both sides all have set firmly the backup pad, backup pad one side swing joint has supporting mechanism, supporting mechanism is laminated with storehouse body cavity one side mutually, sample detection seat inner chamber is connected with the drive seat through the drive mechanism transmission, drive seat inner chamber fixed mounting has the spacer sleeve, spacer sleeve inner chamber fixed mounting has a plurality of expandable sampling mechanisms, drive seat top is through connecting plate fixed mounting driving mechanism, the driving mechanism lateral wall is equipped with the knocking mechanism, the knocking mechanism sets firmly in the drive seat top and laminates with one side spacer sleeve mutually;
the sampling mechanism comprises a sampling sleeve, a sampling slot is formed in one side of the outer wall of the sampling sleeve, a partition plate is filled in the inner cavity of the sampling sleeve and used for dividing the inner side of the sampling sleeve through the partition plate, the partition plate is located on one side of the sampling slot, and positioning slots and positioning rods are respectively formed in two ends of the sampling sleeve and used for sequentially connecting the sampling sleeves through the positioning rods and the positioning slots.
As a further description of the above technical solution:
the device is characterized in that assembly holes are formed in two sides of the transmission seat, a screw rod sleeve and a transmission sliding sleeve are respectively assembled in the assembly holes, a transmission screw rod is connected with the screw rod sleeve in an internal thread mode, two ends of the transmission screw rod are hinged to two sides of an inner cavity of the sample detection seat through a rotating shaft and a bearing, a transmission motor is hinged to the other end of the transmission screw rod, the transmission motor is fixedly installed on one side of the sample detection seat, a transmission sliding rod is connected to the transmission sliding sleeve in a sliding mode, and two ends of the transmission sliding rod are fixedly connected with two sides of the inner cavity of the sample detection seat respectively.
As a further description of the above technical solution:
the utility model discloses a limiting air bag pad, including dividing board, connecting piece, screw the inslot and can inlay and be equipped with and twist the pole, screw the pole top fixedly connected with and twist the handle, divide the equal fixedly connected with spacing air bag pad of both sides, and the equal cover in limit air bag pad top in both sides is equipped with the connecting piece, the connecting piece is inserted and is connected at dividing board top baffle upside, dividing board top has been seted up and has been twisted the groove, it can be embedded to be equipped with to twist the pole that moves to twist.
As a further description of the above technical solution:
the sampling sleeve outer side wall is adhered with a plurality of joint surfaces, and the joint surface outer side wall is an adhesive surface.
As a further description of the above technical solution:
the inner cavity of the sampling sleeve is fixedly connected with a plurality of positioning balls, and the positioning balls are attached to the outer wall of the one-side partition plate.
As a further description of the above technical solution:
the driving mechanism comprises a driving hydraulic cylinder, an extrusion block is fixedly connected to the bottom end of a piston rod of the driving hydraulic cylinder, the outer side wall of the piston rod of the driving hydraulic cylinder is fixedly connected with one side of the knocking mechanism, one side of the driving hydraulic cylinder is fixedly connected with one side of a connecting plate, a guide sleeve is fixedly arranged on one side of the connecting plate, and the guide sleeve corresponds to the axial position of the driving hydraulic cylinder.
As a further description of the above technical solution:
the knocking mechanism comprises two bearing seats which are oppositely arranged at the top of the transmission seat, a driving shaft rod is connected between the bearing seats at the two sides in a transmission way, a polarization block is fixedly arranged on the outer side wall of the driving shaft rod, the polarization block is attached to one side of the outer wall of one side of the positioning sleeve, a driven gear is fixedly connected with the tail end of the outer side wall of the driving shaft rod, a driving rack is meshed on one side of the driven gear, a fixing plate is fixedly connected on one side of the driving rack, a connecting sleeve is fixedly connected on one side of the fixing plate, the connecting sleeve is fixedly arranged outside the driving mechanism, and the rear side of the fixing plate is slidingly connected in a groove body formed in one side of the connecting plate.
As a further description of the above technical solution:
the support mechanism comprises a laminating plate, a support sliding rod is fixedly connected to one side of the laminating plate, a support sliding sleeve is slidably connected to the outer side wall of the support sliding rod, the support sliding sleeve is embedded in one side of the support plate, one end of the support sliding rod is fixedly connected with a support wheel, the other end of the support sliding rod is fixedly connected with a step mounting block, a support spring is sleeved on the outer side wall of the support sliding rod, and two ends of the support spring are fixedly connected with the step mounting block and one side of the support sliding sleeve respectively.
As a further description of the above technical solution:
the T-shaped groove is formed in the top of the sample detection seat, and the width of the inner cavity of the T-shaped groove is equal to that of the transmission seat.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, after the sample detection seat is clamped with the top of the granary through the supporting plate, the transmission seat moves to drive the positioning sleeve to pull the inner sampling mechanism to adjust the relative position, after the sampling mechanism is inserted into the positioning sleeve, the top driving hydraulic cylinder can drive the extruding block downwards to extrude the sampling sleeve through the piston rod, the sampling sleeve can be forced to move downwards to enter the deep part of a grain layer in the granary, after the positioning depth is reached, a grain sample can enter the current cavity of the dividing plate through the sampling groove on one side of the sampling sleeve, at the moment, the screwing rod and the screwing handle are inserted from the top of the dividing plate, the cavity on the other side of the dividing plate can be driven to rotate to the sampling groove on one side of the sampling sleeve through the rotation of the screwing handle, at the moment, the grain to be sampled can collapse into the cavity of the dividing plate under the action of gravity, then the sampling sleeve can be uniformly fed through the reciprocating rotation of the dividing plate, the sampling uniformity can be effectively improved, the sampling depth can be sampled by continuing to connect the sampling sleeve to sample a deeper grain layer, and the dividing depth in the sampling sleeve can be balanced, and the sampling depth of the dividing plate in the sampling sleeve can be effectively traced back according to the sampling depth when the sample is taken out, the sample, the positioning difficulty of the sample can be effectively reduced.
2. According to the invention, when the driving mechanism drives the piston rod of the hydraulic cylinder to move downwards, the piston rod can pull one side of the driving rack to move through the connecting sleeve and the fixing plate sleeved outside, the driving rack can drive the meshed driven gear to rotate to drive the driving shaft rod and the polarizing block to rotate, the polarizing block can strike the outer side of the positioning sleeve, the positioning sleeve can conduct vibration force into the sampling sleeve on one attaching side after being struck by force, after the sampling sleeve is vibrated by force, peripheral grain can be driven by frequency vibration to fully enter the sampling sleeve, grain particles are prevented from being extruded and blocked in the inner cavity of the sampling slot relatively when the sampling sleeve is inserted into a granary for sampling, sampling adaptability is effectively improved, sampling difficulty is reduced, and the use requirement of integral sampling is met.
3. According to the invention, when the detection seat is arranged at the top of the granary, the detection seat can be matched with the bottom side supporting plate through the width of the detection seat to ensure the lamination support of the top of the granary, after the detection seat is assembled, the supporting wheels at the two sides of the bottom of the detection seat can be matched with the inner side walls of the granary, the friction force of the detection seat when the axial angle is regulated can be reduced through the matching of the detection seat and the supporting wheels, the processing capacity of the axial regulation of the detection seat is improved, meanwhile, the transmission screw is driven to rotate through the rotation of the output shaft of the transmission motor, the transmission screw sleeve and the transmission seat can move in the detection seat, the relative positions of the positioning sleeve and the taking sleeve can be regulated through the movement of the transmission seat, the relative positions of the sampling pipes at the top of the granary can be regulated rapidly, the rapid regulation of the multi-axis angle sampling area in the granary can be satisfied, and the regulation positioning capacity of the multi-sampling points in the granary can be satisfied.
Drawings
FIG. 1 is a schematic perspective view of a rapid detection device for mildew of grains;
FIG. 2 is a schematic diagram of an explosion splitting structure of a rapid detection device for grain mildew provided by the invention;
FIG. 3 is a schematic view of another perspective view of a rapid detection device for mildew of grains according to the present invention;
FIG. 4 is an enlarged schematic view of the portion A of the rapid detection device for grain mildew according to the present invention;
FIG. 5 is a schematic perspective view of a sampling sleeve of a rapid detection device for mildew of grains according to the present invention;
FIG. 6 is a schematic perspective view of a dividing plate of a rapid detection device for mildew of grains;
fig. 7 is a schematic perspective view of a supporting mechanism of a rapid detection device for mildew of grains according to the present invention.
Legend description:
1. a sample detection seat; 2. a support plate; 3. a support mechanism; 301. bonding plates; 302. a support wheel; 303. supporting a slide bar; 304. a support spring; 4. a transmission mechanism; 401. a drive motor; 402. a transmission screw rod; 403. a screw rod sleeve; 404. a transmission slide bar; 5. a transmission seat; 6. a sampling mechanism; 601. a sampling sleeve; 602. a positioning groove; 603. a sample introduction groove; 604. a bonding surface; 605. A positioning ball; 606. a dividing plate; 607. a spacing airbag cushion; 608. a connecting piece; 609. twisting the groove; 610. twisting the rod; 611. screwing the handle; 612. a positioning rod; 7. a driving mechanism; 8. A positioning sleeve; 9. a knocking mechanism; 901. a bearing seat; 902. a drive shaft; 903. a polarizing block; 904. a driven gear; 905. a drive rack; 906. connecting sleeves; 907. a fixing plate; 10. A guide sleeve; 11. and (5) connecting a plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a quick detection device of grain mould change, includes sample detection seat 1, sample detection seat 1 sliding connection is at the storehouse body top, sample detection seat 1 bottom both sides all set firmly backup pad 2, sample detection seat 1 top has seted up T-shaped groove, and T-shaped groove inner chamber width equals with transmission seat 5 width, and transmission seat 5 slides more stably in sample detection seat 1 through self T-shaped structure, backup pad 2 one side swing joint has supporting mechanism 3, supporting mechanism 3 laminates with storehouse body inner chamber one side mutually, sample detection seat 1 inner chamber is connected with transmission seat 5 through the transmission of drive mechanism 4, transmission seat 5 inner chamber fixed mounting has locating sleeve 8, locating sleeve 8 inner chamber fixed mounting has a plurality of expandable sampling mechanism 6, transmission seat 5 top is through connecting plate 11 fixed mounting driving mechanism 7, driving mechanism 7 lateral wall is equipped with and beats mechanism 9, beat mechanism 9 set firmly in transmission seat 5 top and laminate with one side locating sleeve 8 mutually;
sampling mechanism 6 includes sampling cover 601, sampling groove 603 has been seted up to sampling cover 601 outer wall one side, sampling cover 601 inner chamber is filled with division board 606 for cut apart sampling cover 601 inboard through the interval of division board 606, and division board 606 interval is located sampling groove 603 one side, positioning groove 602 and locating lever 612 have been seted up respectively to sampling cover 601 both ends, be used for passing through locating lever 612 and locating lever 602 bolted connection with a plurality of sampling covers 601 in proper order, actuating mechanism 7 includes the actuating cylinder, actuating cylinder piston rod bottom fixedly connected with extrusion piece, actuating cylinder piston rod lateral wall and knocking mechanism 9 one side fixed connection, actuating cylinder one side and connecting plate 11 one side fixed connection, connecting plate 11 one side fixed mounting has uide bushing 10, uide bushing 10 corresponds with actuating cylinder axial position.
The implementation mode specifically comprises the following steps: when the grain stored in the granary is required to be detected, after the detection sample seat 1 is clamped with the top of the granary through the supporting plate 2, and the relative position of the detection sample seat 1 is rotated, the transmission mechanism 4 drives the transmission seat 5 to displace in the detection sample seat 1, the transmission seat 5 moves to drive the positioning sleeve 8 to pull the inner side sampling mechanism 6 to adjust the relative position, after the sampling mechanism 6 is inserted into the positioning sleeve 8, the top driving hydraulic cylinder can drive the extrusion block downwards through the piston rod to extrude the sampling sleeve 601, the sampling sleeve 601 can be forced to move downwards to enter the depth of the grain layer in the granary, when the sampling sleeve 601 moves to the bottom side of the positioning sleeve 8, after the other sampling sleeve 601 passes through the positioning hole through the positioning rod 612 and is assembled through the bolt, the hydraulic cylinder is further pressed downwards to drive the sampling sleeve 601 to continuously enter the granary downwards, after the positioning depth is reached, grain samples can enter the current cavity of the dividing plate 606 through the sampling groove 603 at one side of the sampling sleeve 601, at the moment, the screwing rod 610 and the screwing handle 611 are inserted from the top of the dividing plate 606, the cavity at the other side of the dividing plate 606 can be driven to rotate to the sampling groove 603 at one side of the sampling sleeve 601 through the rotation of the screwing handle 611, at the moment, grains to be sampled can collapse into the cavity of the dividing plate 606 under the action of gravity, then a plurality of grain samples can be uniformly fed into the dividing plate 606 through the reciprocating rotation of the dividing plate 606, the sampling uniformity is effectively improved, and after one-side deep sampling, deeper grains can be sampled through continuous connection of the sampling sleeve 601, and uniform feeding samples of grains with different depths can be sampled by matching with the rotation of the dividing plate 606, meanwhile, the separation depth of the dividing plate 606 in the sampling sleeve 601 is balanced, and when the sample is taken out, the sample in the granary can be positioned and traced according to the depth of the sample.
The limiting airbag cushion 607 is fixedly connected to two sides of the dividing plate 606, the connecting pieces 608 are sleeved on the tops of the limiting airbag cushions 607 on two sides, the connecting pieces 608 are inserted and connected to the top side of the partition plate at the top of the dividing plate 606, the screwing grooves 609 are formed in the tops of the dividing plate 606, screwing rods 610 can be embedded in the screwing grooves 609, screwing handles 611 are fixedly connected to the tops of the screwing rods 610, a plurality of joint surfaces 604 are adhered to the outer side walls of the sampling sleeve 601, the outer side walls of the joint surfaces 604 are adhesive surfaces, and through the designed joint surfaces 604, when the sampling sleeve 601 is inserted into a grain bin through the outer joint surfaces 604, the joint surfaces 604 can adhere to inserted grains through adhesive joint surfaces outside, and adhered grains can be separated from the adhesive surfaces under the extrusion action of other grains in the moving process of the joint surfaces 604, so that random adhesion sampling can be carried out on the surfaces of the grains, and if the grains can stay on the surfaces of the joint surfaces 604, the preliminary observation of the joint surfaces 604 can be used for rapidly judging whether the grain mildew has a large range in the grain bin;
the inner cavity of the sampling sleeve 601 is fixedly connected with a plurality of positioning balls 605, the positioning balls 605 are attached to the outer wall of the one-side dividing plate 606, through the designed positioning balls 605, rotation limiting can be carried out when the dividing plate 606 rotates, then rapid adjustment treatment on the rotation angle of the dividing plate 606 can be guaranteed, the positioning balls 605 are flexible balls, limiting treatment on the dividing plate 606 can be guaranteed, and further feeding areas can be conveniently adjusted;
the knocking mechanism 9 comprises two bearing seats 901 which are oppositely arranged at the top of the transmission seat 5, a driving shaft lever 902 is connected between the bearing seats 901 at two sides in a transmission way, a polarizing block 903 is fixedly arranged on the outer side wall of the driving shaft lever 902, the polarizing block 903 is attached to one side of the outer wall of one side positioning sleeve 8, a driven gear 904 is fixedly connected with the tail end of the outer side wall of the driving shaft lever 902, a driving rack 905 is meshed with one side of the driven gear 904, a fixing plate 907 is fixedly connected to one side of the driving rack 905, a connecting sleeve 906 is fixedly connected to one side of the fixing plate 907, the connecting sleeve 906 is fixedly arranged outside the driving mechanism 7, and the rear side of the fixing plate 907 is slidingly connected in a groove formed in one side of the connecting plate 11.
The implementation mode specifically comprises the following steps: when the driving mechanism 7 drives the piston rod of the hydraulic cylinder to move downwards, the piston rod can pull one side of the driving rack 905 to move through the connecting sleeve 906 and the fixing plate 907 which are sleeved outside, the driving rack 905 can drive the meshed driven gear 904 to rotate, the driven gear 904 rotates to drive the driving shaft lever 902 and the polarizing block 903 to rotate, the polarizing block 903 rotates to knock the outer side of the positioning sleeve 8, the positioning sleeve 8 can conduct vibration force into the sampling sleeve 601 on the attached side after being stressed and knocked, and the circumferential grain can be fully fed into the sampling sleeve 601 through frequency vibration after the sampling sleeve 601 is stressed and vibrated, so that the inner cavity of the sampling groove 603 is blocked by relative extrusion among grain particles when the sampling sleeve 601 is inserted into a granary for sampling, the sampling adaptability is effectively improved, the blocking of grains with larger grain during sampling is avoided, the sampling difficulty is effectively reduced, the whole sampling use requirement is met, simultaneously, when grain samples enter the inner cavity interval of the dividing plate 606, the limiting air bag gaskets 607 fixedly arranged at two sides of the inner cavity interval of the dividing plate 606 can ensure the flexible limiting of the moved grains through the flexible lamination, further ensure the limiting control of the depth of the samples after feeding in, avoid the influence on the positioning of the mildew position caused by the change of the sample depth when the sampling sleeve 601 vibrates, simultaneously, the limiting air bag can perform the air charging and discharging operation according to the grain size of the sampled grains, the sampling amount of the samples is convenient to be regulated, the screwing groove 609 is a polygonal groove, the screwing abutting force of the screwing rod 610 after being inserted can be ensured, the rotation screwing regulation of the dividing plate 606 is ensured, the dividing plate 606 can ensure the synchronous expansion of the dividing plate 606 during the multi-stage sampling pipe expansion through the assembly block fixedly arranged at the bottom and matched with the screwing groove 609, sampling adaptability to granaries with different depths is guaranteed through prefabricated modularized sampling pipes and dividing plates 606, the bottom side of the tail end sampling pipe is an arc-shaped surface, friction force with grain contact can be reduced, inserting sampling difficulty is reduced, and impact breakage to the grain surface in the sampling process is reduced.
The two sides of the transmission seat 5 are provided with assembly holes, a screw rod sleeve 403 and a transmission sliding sleeve are respectively assembled in the assembly holes, the screw rod sleeve 403 is internally and in threaded connection with a transmission screw rod 402, two ends of the transmission screw rod 402 are hinged with two sides of the inner cavity of the sample detection seat 1 through a rotating shaft and a bearing, the other end of the transmission screw rod 402 is hinged with a transmission motor 401, the transmission motor 401 is fixedly arranged at one side of the sample detection seat 1, a transmission sliding rod 404 is in sliding connection with the transmission sliding sleeve, two ends of the transmission sliding rod 404 are respectively fixedly connected with two sides of the inner cavity of the sample detection seat 1, and the stability of the sample detection seat 1 sliding outside the transmission sliding rod 404 through the inner side transmission sliding sleeve can be ensured through the designed transmission sliding rod 404, so that the moving stability is ensured;
the supporting mechanism 3 comprises a laminating plate 301, a supporting sliding rod 303 is fixedly connected to one side of the laminating plate 301, a supporting sliding sleeve is slidably connected to the outer side wall of the supporting sliding rod 303, the supporting sliding sleeve is embedded in one side of a supporting plate 2, one end of the supporting sliding rod 303 is fixedly connected with a supporting wheel 302, the other end of the supporting sliding rod 303 is fixedly connected with a step mounting block, a supporting spring 304 is sleeved on the outer side wall of the supporting sliding rod 303, two ends of the supporting spring 304 are fixedly connected with the corresponding positions of the step mounting block and one side of the supporting sliding sleeve respectively, and the laminating stability of the front end supporting wheel 302 can be improved by means of extrusion butt joint of the step mounting block through the supporting spring 304, and meanwhile adjustment adaptation treatment to the inner diameter of a granary is met by adjusting the relative positions of the supporting sliding rod 303 and the laminating plate 301.
The implementation mode specifically comprises the following steps: the inspection seat 1 is when setting up at the granary top, the detection seat can be through self width cooperation downside backup pad 2 guarantee the pressfitting support to the granary top, and after the detection seat assembly, the supporting wheel 302 of detection seat bottom both sides can laminate with the granary inside wall and support, through the cooperation of detection seat and supporting wheel 302, can reduce the frictional force of detection seat when adjusting axial angle, thereby can effectively improve the throughput to detecting seat axial adjustment, simultaneously drive transmission lead screw 402 through the rotation of driving motor 401 output shaft and rotate, transmission lead screw 402 rotates and can electric screw cover 403 and drive seat 5 and remove in the inspection seat 1, the relative position of locating sleeve 8 and taking the cover can be adjusted to the drive seat 5, can the relative position of quick adjustment sampling tube at the granary top, satisfy the quick adjustment to the granary in multiaxis angle sampling region, satisfy the regulation locating capability to the granary in the multiaxis angle sampling point.
Working principle: when in use, after the supporting plate 2 of the sample detection seat 1 is clamped with the top of the granary, the relative position of the sample detection seat 1 is rotated, the output shaft of the transmission motor 401 rotates to drive the transmission screw rod 402 to rotate, the transmission screw rod 402 rotates the electric screw rod sleeve 403 and the transmission seat 5 to move in the sample detection seat 1, the transmission seat 5 moves to adjust the relative positions of the positioning sleeve 8 and the taking sleeve, the relative position of the sampling tube at the top of the granary is adjusted, the transmission seat 5 moves to drive the positioning sleeve 8 to pull the inner sampling mechanism 6 to adjust the relative position, after the sampling mechanism 6 is inserted into the positioning sleeve 8, the piston rod of the top driving hydraulic cylinder drives the extrusion block to extrude the sampling sleeve 601 downwards, the sampling sleeve 601 is forced to move downwards to enter the depth of the grain layer in the granary, when the sampling sleeve 601 moves to the bottom side of the positioning sleeve 8, after a positioning rod 612 at the bottom of the other sampling sleeve 601 passes through a positioning hole bolt to be assembled, a hydraulic cylinder is further pressed downwards to drive the sampling sleeve 601 to continuously enter a granary downwards, after the positioning depth is reached, a sample feeding groove 603 at one side of the grain sample sleeve 601 enters a current cavity of the dividing plate 606, at the moment, a screwing rod 610 and a screwing handle 611 are inserted from the top of the dividing plate 606, the rotation of the screwing handle 611 drives the cavity at the other side of the dividing plate 606 to rotate to the sample feeding groove 603 at one side of the sampling sleeve 601, at the moment, grains to be sampled slump into the cavity of the dividing plate 606 under the action of gravity, and then the reciprocating rotating dividing plate 606 uniformly feeds a plurality of grain samples into the dividing plate 606;
when the driving mechanism 7 drives the piston rod of the hydraulic cylinder to move downwards, the connecting sleeve 906 and the fixing plate 907 sleeved outside the piston rod pull one side of the driving rack 905 to move, the driving rack 905 moves to drive the meshed driven gear 904 to rotate, the driven gear 904 rotates to drive the driving shaft lever 902 and the polarizing block 903 to rotate, the polarizing block 903 rotates to knock the outer side of the positioning sleeve 8, the positioning sleeve 8 conducts vibration force into the sampling sleeve 601 on one attaching side after being stressed and knocked, and after the sampling sleeve 601 is stressed and vibrated, frequency vibration drives grains on the peripheral side to fully enter the sampling sleeve 601.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a grain mould changes quick detection device, includes the sample detection seat, sample detection seat sliding connection is at storehouse body top, its characterized in that, sample detection seat bottom both sides all have set firmly the backup pad, backup pad one side swing joint has supporting mechanism, supporting mechanism is laminated with storehouse body inner chamber one side mutually, sample detection seat inner chamber is connected with the transmission seat through the drive mechanism transmission, transmission seat inner chamber fixed mounting has the spacer bush, spacer bush inner chamber fixed mounting has a plurality of expandable sampling mechanism, transmission seat top is through connecting plate fixed mounting has actuating mechanism, and actuating mechanism includes the drive pneumatic cylinder, drive pneumatic cylinder piston rod bottom fixedly connected with extrusion piece, and the mechanism lateral wall is equipped with and beats the mechanism, beat the mechanism and set firmly in transmission seat top and laminate with one side spacer bush mutually;
the sampling mechanism comprises a sampling sleeve, a sampling groove is formed in one side of the outer wall of the sampling sleeve, a partition plate is filled in the inner cavity of the sampling sleeve and used for dividing the inner side of the sampling sleeve through the interval of the partition plate, the partition plate is positioned on one side of the sampling groove at intervals, positioning grooves and positioning rods are respectively formed in two ends of the sampling sleeve, and the sampling sleeves are connected through the positioning rods and the positioning grooves in a bolt mode sequentially;
after the sample detection seat is clamped with the top of the granary through the supporting plate, the transmission seat moves to drive the positioning sleeve to pull the inner sampling mechanism to adjust the relative position, after the sampling mechanism is inserted into the positioning sleeve, the top driving hydraulic cylinder can downwards drive the extrusion block to extrude the sampling sleeve through the piston rod, the sampling sleeve can be stressed to downwards move to enter the deep part of a grain layer in the granary, after the positioning depth is reached, a grain sample can enter the current cavity of the dividing plate through the sampling groove on one side of the sampling sleeve, at the moment, the screwing rod and the screwing handle are inserted from the top of the dividing plate, the cavity on the other side of the dividing plate can be driven to rotate to the sampling groove on one side of the sampling sleeve through the rotation of the screwing handle, at the moment, the grain to be sampled can collapse into the cavity of the dividing plate under the action of gravity, then the even feeding can be carried out through the reciprocating rotation of the dividing plate, the sampling uniformity is effectively improved, and after the sampling of the single-side depth, the deeper grain can be sampled through the continuous connection of the sampling sleeve, meanwhile, the separation depth of the dividing plate in the sampling sleeve can be balanced according to the sample depth, the positioning of the grain sample can be detected in the granary according to the sample depth when the sample is taken out;
the support mechanism comprises a laminating plate, a support sliding rod is fixedly connected to one side of the laminating plate, a support sliding sleeve is slidably connected to the outer side wall of the support sliding rod, the support sliding sleeve is embedded in one side of the support plate, one end of the support sliding rod is fixedly connected with a support wheel, the other end of the support sliding rod is fixedly connected with a step mounting block, a support spring is sleeved on the outer side wall of the support sliding rod, and two ends of the support spring are fixedly connected with the step mounting block and one side of the support sliding sleeve respectively.
2. The rapid grain mildew detection device according to claim 1, wherein the assembly holes are formed in two sides of the transmission seat, a screw rod sleeve and a transmission sliding sleeve are respectively assembled in the assembly holes, the screw rod sleeve is internally and in threaded connection with a transmission screw rod, two ends of the transmission screw rod are hinged with two sides of an inner cavity of the sample detection seat through a rotating shaft and a bearing, the other end of the transmission screw rod is hinged with a transmission motor, the transmission motor is fixedly arranged on one side of the sample detection seat, a transmission sliding rod is in sliding connection with the transmission sliding sleeve, and two ends of the transmission sliding rod are fixedly connected with two sides of the inner cavity of the sample detection seat.
3. The rapid grain mildew detection device according to claim 1, wherein limiting air bag pads are fixedly connected to two sides of the partition plate, connecting pieces are sleeved on the tops of the limiting air bag pads at two sides, the connecting pieces are connected to the top sides of partition plates at the tops of the partition plate in an inserted mode, a screwing groove is formed in the tops of the partition plate, a screwing rod can be embedded in the screwing groove, and a screwing handle is fixedly connected to the tops of the screwing rods.
4. The rapid grain mildew detection device according to claim 1, wherein a plurality of bonding surfaces are bonded to the outer side wall of the sampling sleeve, and the bonding surfaces are bonding surfaces on the outer side wall of the bonding surfaces.
5. The rapid grain mildew detection device according to claim 1, wherein the inner cavity of the sampling sleeve is fixedly connected with a plurality of positioning balls, and the positioning balls are attached to the outer wall of the one-side partition plate.
6. The rapid grain mildew detection device according to claim 1, wherein the outer side wall of the piston rod of the driving hydraulic cylinder is fixedly connected with one side of the knocking mechanism, one side of the driving hydraulic cylinder is fixedly connected with one side of a connecting plate, a guide sleeve is fixedly arranged on one side of the connecting plate, and the guide sleeve corresponds to the axial position of the driving hydraulic cylinder.
7. The rapid grain mildew detection device according to claim 1, wherein the knocking mechanism comprises two bearing seats which are oppositely arranged at the top of the transmission seat, a driving shaft rod is connected between the bearing seats at the two sides in a transmission way, a polarizing block is fixedly arranged on the outer side wall of the driving shaft rod, the polarizing block is attached to one side of the outer wall of the positioning sleeve at one side, a driven gear is fixedly connected with the tail end of the outer side wall of the driving shaft rod, a driving rack is meshed on one side of the driven gear, a fixing plate is fixedly connected on one side of the driving rack, a connecting sleeve is fixedly connected on one side of the fixing plate, the connecting sleeve is fixedly arranged outside the driving mechanism, and the rear side of the fixing plate is slidingly connected in a groove body formed on one side of the connecting plate.
8. The rapid detection device for grain mildew according to claim 1, wherein the top of the sample detection seat is provided with a T-shaped groove, and the width of the inner cavity of the T-shaped groove is equal to the width of the transmission seat.
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| CN202210014746.2A CN114486326B (en) | 2022-01-07 | 2022-01-07 | A rapid detection device for grain mildew |
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| CN202210014746.2A CN114486326B (en) | 2022-01-07 | 2022-01-07 | A rapid detection device for grain mildew |
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