CN219830446U - Sampling assembly and sampling machine - Google Patents

Abstract

The utility model relates to the technical field of sampling, and provides a sampling assembly, which comprises a sampling head unit and a telescopic unit, wherein the telescopic unit comprises an inner frame, a telescopic belt is arranged on the inner frame and is wrapped on two driving rollers, and the sampling head unit is arranged on the inner frame in a sliding manner and is fixedly connected with one side of the telescopic belt; the outer frame is fixedly arranged, the inner frame is arranged on the outer frame in a sliding way, and the other side of the telescopic belt is fixedly connected with the outer frame; and a telescopic driving assembly configured to drive the inner frame to be telescopic. Compared with the prior art, the double stroke is achieved by consuming the same time, so that the length of each sampling tube is conveniently increased, the times of tube replacement can be greatly reduced under the condition that the sampling tubes are lowered to the same depth, the overall efficiency of tube discharging is greatly improved, the device is easy to carry, and the device cannot be carried to a granary because the overall height of the device is too high.

Description

Sampling assembly and sampling machine

Technical Field

The utility model relates to the technical field of sampling, in particular to a sampling assembly and a sampling machine.

Background

After the national reserved grains (such as corn, rice, wheat, soybean and the like) are stored for a certain time, the grains are usually sampled through a sampling tube of a sampling device, the sampled grains are required to be separated through a sample separating device, namely, the sampled grains are mixed, a final sample with a certain weight is extracted from the mixed grains, and whether the grains are abnormal or not is verified by detecting the impurity content, the water content and the volume weight of the final sample.

In the prior art, for example, patent documents with publication numbers of CN214316316U, CN115683746B and the like, a sampling assembly performs pipe descending through a lifting unit, after the lifting unit descends to the lowest (namely, the lower part of one sampling pipe is at a limit position), the lifting unit is lifted to the highest point, another sampling pipe is added to be in butt joint with the original sampling pipe, and the pipe is further descended, lifted and added repeatedly, so that the purpose of lowering the sampling pipe to the grain target depth is achieved.

However, in the prior art, due to the limitation of the height from the top surface of the grain to the top of the granary, the overall height of the sampling device is limited, the stroke of the lifting unit is generally shorter (simply increasing the height of the equipment to increase the length of the sampling pipe can cause difficulty in carrying the equipment to the granary), and the length of the sampling pipe added each time is slightly equal to the stroke of the lifting unit, which can cause more times of pipe adding, and each time of pipe adding needs to consume a certain time, thereby resulting in lower overall efficiency of the lower pipe.

Disclosure of Invention

The utility model aims to provide a sampling assembly and a sampling machine, which are used for solving the technical problem that the overall efficiency of a lower pipe is low due to the fact that the pipe adding frequency is high in the prior art.

The embodiment of the utility model is realized by the following technical scheme:

the utility model provides a sample assembly, includes sample head unit and flexible unit, and flexible unit includes:

the inner frame is provided with a telescopic belt, the telescopic belt is wrapped on the two driving rollers, and the sample sampling head unit is arranged on the inner frame in a sliding manner and is fixedly connected with one side of the telescopic belt;

the outer frame is fixedly arranged, the inner frame is arranged on the outer frame in a sliding way, and the other side of the telescopic belt is fixedly connected with the outer frame; and

and a telescopic driving assembly configured to drive the inner frame to be telescopic.

Optionally, the telescopic driving assembly comprises a telescopic driving component, a gear and a rack, wherein the rack is fixedly connected with the inner frame, the telescopic driving component is fixedly connected with the outer frame, and the rack is connected with the output end of the telescopic driving component and meshed with the rack.

Optionally, the racks and the gears are both provided with two racks, the two racks are respectively arranged on two sides of the inner frame, and the two gears are meshed with the two racks in a one-to-one correspondence manner.

Optionally, the telescopic driving component comprises a worm gear case, a transmission shaft, two worm gears, a worm and a telescopic driving element, wherein the two transmission shafts are arranged in the worm gear case in parallel in a rotating way, the two worm gears are respectively arranged on the two transmission shafts, and one ends of the two transmission shafts extend out of the worm gear case and are respectively connected with one gear; the worm is arranged in the worm gear case and meshed with the two worm gears respectively, the telescopic driving element is arranged on the worm gear case, and the output end of the telescopic driving element is connected with the worm.

Optionally, an inner tooth is arranged on the inner ring of the telescopic belt, and the sampling head unit is fixedly connected with a first toothed plate meshed with the inner tooth.

Optionally, the inner ring of the telescopic belt is provided with inner teeth, and the outer frame is fixedly connected with a second toothed plate meshed with the inner teeth.

Optionally, the inner frame is fixedly provided with a sliding rail, and the sampling head unit is fixedly connected with a sliding block matched with the sliding rail.

Optionally, guide rails are arranged on two sides of the inner frame, and idler wheels matched with the guide rails are arranged on two sides of the inner frame.

Optionally, the sample head unit includes sample case, hollow bull stick, connector, transfer pipe and rotation drive assembly, and hollow bull stick rotates the setting and samples the incasement, and the connector is connected with the lower extreme of hollow bull stick, and transfer pipe fixed connection is in the top of sampling the case, rotates drive assembly and hollow bull stick transmission and is connected to the rotation of drive hollow bull stick.

The utility model also provides a sampler, which comprises the sampler assembly.

The utility model has at least the following advantages and beneficial effects: in the utility model, because the outer frame is fixedly connected with the other side of the telescopic belt (namely, the outer frame is not relatively displaced relative to the telescopic belt, the telescopic belt and the driving roller can relatively move, so that when the telescopic driving assembly drives the inner frame to ascend, the telescopic belt is continuously close to the driving roller at the lower end of the outer frame, the telescopic belt is continuously close to the driving roller at the upper end of the sampling head unit, and the sampling head unit is fixedly connected with one side of the telescopic belt (namely, the sampling head unit is not relatively displaced relative to the telescopic belt, the inner frame is connected), the sampling head unit can continuously close to the driving roller at the upper end while ascending along with the inner frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram illustrating an installation state of a skewer assembly according to the present utility model;

fig. 2 is a schematic structural view of a skewer assembly according to the present utility model;

FIG. 3 is a schematic view of an outer frame;

FIG. 4 is a schematic diagram of a second structure of the outer frame;

FIG. 5 is a schematic view of the inner frame;

FIG. 6 is a schematic diagram of a second configuration of the inner frame;

FIG. 7 is a front view of a telescopic belt;

fig. 8 is a schematic structural view of the skewer unit;

fig. 9 is a schematic diagram II of an installation state of a skewer assembly according to the present utility model;

icon: 200-sampling tube, 300-telescopic unit, 301-inner frame, 3011-guide rail, 302-telescopic belt, 3021-inner tooth, 303-driving roller, 304-outer frame, 3041-roller, 3042-pull rod, 305-telescopic driving component, 3051-gear, 3052-rack, 3053-worm gear box, 3054-transmission shaft, 3055-worm wheel, 3056-worm, 3057-telescopic driving element, 306-first toothed plate, 307-second toothed plate, 308-slide rail, 309-slide block, 400-sampling head unit, 401-slide seat, 500-base.

Detailed Description

Example 1

Referring to fig. 1-2, a sample assembly includes a sample head unit 400 and a telescopic unit 300, wherein the telescopic unit 300 includes an outer frame 304, an inner frame 301 and a telescopic driving assembly 305 which are fixedly arranged, the telescopic driving assembly 305 is configured to drive the inner frame 301 to stretch, a telescopic belt 302 is arranged on the inner frame 301, the telescopic belt 302 is wrapped on two driving rollers 303, and the sample head unit 400 is slidably arranged on the inner frame 301 and is fixedly connected with one side of the telescopic belt 302; the inner frame 301 is slidably disposed on the outer frame 304, and the other side of the telescopic belt 302 is fixedly connected to the outer frame 304.

It should be noted that, because the outer frame 304 is fixedly connected to the other side of the telescopic belt 302 (i.e. there is no relative displacement between the outer frame 304 and the telescopic belt 302 where the outer frame 304 is connected) and the telescopic belt 302 can move relatively between the telescopic belt 302 and the driving roller 303, when the telescopic driving assembly 305 drives the inner frame 301 to rise, the telescopic belt 302 is continuously close to the driving roller 303 at the lower end where the telescopic belt 302 is connected to the outer frame 304, the telescopic belt 302 is continuously close to the driving roller 303 at the upper end where the telescopic belt 302 is connected to the sampling head unit 400, and because the sampling head unit 400 is fixedly connected to one side of the telescopic belt 302 (i.e. there is no relative displacement between the sampling head unit 400 and the inner frame 301 where the telescopic belt 302 is connected to the inner frame 301), the sampling head unit 400 can follow the rising of the inner frame 301, and can continuously close to the driving roller 303 at the upper end, so that the sampling head unit can rise integrally (as shown in fig. 9), compared with the prior art, double stroke is reached in equivalent time, so that the length of each sampling tube 200 is conveniently increased, and in case that the sampling tube changing times can be greatly reduced when the sampling tube is lowered to the same depth, and in addition, the whole efficiency can not be easily reach the purpose of lowering the whole length due to the whole granary.

In practical application, the outer frame 304 is mounted on the base 500 of the sampler, the outer frame 304 includes two upright posts, the upper and lower ends of the upright posts can be connected by connecting members, the whole structure of a rectangular frame is formed, the specific structures of the upright posts and the connecting members are not limited, for example, the upright posts and the connecting members are welded by channel steel, i-steel, etc., and it should be noted that the connecting members avoid the sampler head unit 400. In order to make the structure stable, in this embodiment, the two sides of the upright posts are connected with the pull rod 3042, the pull rod 3042 is connected with the base 500, in order to facilitate quick installation, two positioning pins can be further arranged on the base 500, positioning holes are formed in the bottoms of the two upright posts, and the positioning pins are matched with the corresponding positioning holes to realize preliminary positioning of the outer frame 304.

The specific structure of the inner frame 301 is not limited, and may be formed by welding a channel steel or other steel structure. Referring to fig. 2-6, the inner frame 301 is slidably disposed on the outer frame 304, specifically, in this embodiment, two sides of the inner frame 301 are provided with guide rails 3011, two sides of the inner frame 304 are provided with rollers 3041 that cooperate with the guide rails 3011, and by limiting the positions of the inner frame 301 by the rollers 3041, the inner frame 301 is conveniently and smoothly stretched, and further, two or more rollers 3041 are disposed on each side, so that the guiding structure is stable. In other embodiments of the present utility model, the inner frame 301 may be slidably connected to the outer frame 304 in other manners, such as a manner in which the sliding rails 308 cooperate with the sliding blocks 309, or a manner in which guide blocks are provided on the guide rods.

Referring to fig. 2 and 8, a sampling head unit 400 is slidably disposed on an inner frame 301, specifically, in this embodiment, the inner frame 301 is fixedly provided with a sliding rail 308, the sampling head unit 400 is fixedly connected with a sliding block 309 matched with the sliding rail 308, specifically, the sampling head unit 400 is fixedly connected with a sliding seat 401, the sliding block 309 is connected to the sliding seat 401 through a fastener, and the sliding of the sampling head is smoother due to the matching of the sliding block 309 and the sliding rail 308. Further, two or more slide rails 308 may be provided to make the structure more stable, and in other embodiments of the present utility model, the sampling head unit 400 may also be slidably connected to the inner frame 301 in other manners, for example, in a manner that the guide rail 3011 cooperates with the roller 3041, and for example, in a manner that a guide block is penetrated on a guide rod.

Referring to fig. 2 and fig. 5-6, two driving rollers 303 are rotatably disposed at the upper and lower ends of the inner frame 301, a telescopic belt 302 is wrapped around the two driving rollers 303, a sample head unit 400 is fixedly connected to one side of the telescopic belt 302, an outer frame 304 is fixedly connected to the other side of the telescopic belt 302, and inner teeth 3021 (refer to fig. 7) are disposed in an inner ring of the telescopic belt 302 in this embodiment. On this basis, the mode of fixedly connecting the sampling head unit 400 and the telescopic belt 302 in this embodiment is as follows, and the sampling head unit 400 is fixedly connected with the first toothed plate 306 engaged with the inner gear, specifically, the first toothed plate 306 is connected with the sampling head unit 400 through a screw, it is easy to understand that the first toothed plate 306 compresses the telescopic belt 302 on the sampling head unit 400 at the same time, so as to ensure that the first toothed plate 306 is always engaged with the telescopic belt 302. The outer frame 304 is fixedly connected with the telescopic belt 302 in the following way, the outer frame 304 is fixedly connected with a second toothed plate 307 meshed with the inner gear, and similarly, the second toothed plate 307 is connected with the outer frame 304 through screws, and the second toothed plate 307 simultaneously compresses the telescopic belt 302 on the outer frame 304, so that the second toothed plate 307 is always meshed with the telescopic belt 302.

In other embodiments of the present utility model, the fixing connection of the sampling head unit 400 to the telescopic belt 302 may take other forms, for example, a connecting member (such as a screw) may be inserted through both the telescopic belt 302 and the sampling head at the same time, and for example, a compressing member may provide a sufficient positive pressure to compress the telescopic belt 302 on the sampling head unit 400, that is, a friction force may be used to achieve the fixing connection between the two. Similarly, in other embodiments of the present utility model, the outer frame 304 is fixedly connected to the telescopic belt 302 in other manners as described above.

Referring to fig. 2 and fig. 3-4, the telescopic driving assembly 305 is configured to drive the inner frame 301 to stretch out and draw back, specifically, the telescopic driving assembly 305 includes a telescopic driving component, a gear 3051 and a rack 3052, the rack 3052 is fixedly connected with the inner frame 301, the telescopic driving component is fixedly connected to the outer frame 304, the rack 3052 is connected with an output end of the telescopic driving component and is meshed with the rack 3052, and when in use, the rack 3052 is driven to stretch out and draw back by driving the gear 3051 through the driving component, so that the inner frame 301 is driven to stretch out and draw back. Further, the racks 3052 and the gears 3051 are both provided with two, the two racks 3052 are respectively arranged on two sides of the inner frame 301, the two gears 3051 and the two racks 3052 are meshed in a one-to-one correspondence manner, and thus the transmission structure is more stable. In other embodiments of the present utility model, the inner frame 301 may be driven in other manners, such as by a ball screw to drive the inner frame 301 to expand and contract.

In this embodiment, the telescopic driving component includes a worm case 3053, a driving shaft 3054, two worm wheels 3055, a worm 3056 and a telescopic driving element 3057, the two driving shafts 3054 are arranged in the worm case 3053 in parallel in a rotating manner, the two worm wheels 3055 are separately arranged on the two driving shafts 3054, one ends of the two driving shafts 3054 extend out of the worm case 3053 and are respectively connected with one gear 3051, namely, when the worm wheels 3055 rotate, the gears 3051 on the same driving shaft 3054 can be driven to rotate; the worm 3056 is disposed in the worm case 3053 and is engaged with the two worm wheels 3055, the telescopic driving element 3057 is mounted on the worm case 3053, and the output end of the telescopic driving element 3057 is connected with the worm 3056, and the telescopic driving element 3057 may be a motor, a hydraulic motor, or the like, and it is easy to understand that the worm wheels 3055 and the worm 3056 are a reduction mechanism, i.e. the output rotation speed of the telescopic driving element 3057 is reduced and then finally acts on the gear 3051 connected with the transmission shaft 3054.

In other embodiments of the utility model, the telescoping drive assembly may take other forms, such as replacing two worm gears 3055 with pulleys that are connected by a belt, eliminating worm 3056, and telescoping drive element 3057 acting on one of the pulleys after being decelerated by other deceleration mechanisms.

Referring to fig. 8, the sampling head unit 400 of this embodiment is the same as the prior art, including sampling box, hollow bull stick, connector, adapter and rotation drive assembly, hollow bull stick rotates the setting and samples the incasement, and the connector is connected with the lower extreme of hollow bull stick, and the connector can adopt the connected mode that prior art provided with the concrete connected mode of hollow bull stick, and the connector is the same with prior art effect, is connected with sampling pipe 200 through the screw thread, and adapter fixed connection is in the top of sampling box, rotates drive assembly and hollow bull stick transmission to drive hollow bull stick and rotate.

The rotation driving component comprises a speed reducing mechanism and a rotation driving element, the rotation driving element can adopt a motor, a hydraulic motor and the like, the speed reducing mechanism adopts a belt speed reducing mechanism, namely an output shaft of the driving element is connected with a small belt pulley, a large belt pulley is arranged on a hollow rotating rod, and the small belt pulley is connected with the large belt pulley through a belt. In other embodiments of the present utility model, the reduction mechanism may also be provided by the prior art.

Example two

The utility model also provides a sampler, which comprises the sampler assembly provided by the first embodiment.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A skewer assembly comprising a skewer head unit (400) and a telescoping unit (300), characterized in that the telescoping unit (300) comprises:

the inner frame (301), the inner frame (301) is provided with a telescopic belt (302), the telescopic belt (302) is wrapped on two driving rollers (303), and the sampling head unit (400) is arranged on the inner frame (301) in a sliding manner and is fixedly connected with one side of the telescopic belt (302);

the outer frame (304) is fixedly arranged, the inner frame (301) is arranged on the outer frame (304) in a sliding way, and the other side of the telescopic belt (302) is fixedly connected with the outer frame (304); and

and a telescopic driving assembly (305), wherein the telescopic driving assembly (305) is configured to drive the inner frame (301) to stretch and retract.

2. The skewer assembly according to claim 1, characterized in that the telescopic drive assembly (305) comprises a telescopic drive component, a gear (3051) and a rack (3052), the rack (3052) is fixedly connected with the inner frame (301), the telescopic drive component is fixedly connected to the outer frame (304), and the rack (3052) is connected with the output end of the telescopic drive component and is meshed with the rack (3052).

3. The skewer assembly according to claim 2, wherein the racks (3052) and the gears (3051) are respectively provided with two racks (3052) respectively arranged at two sides of the inner frame (301), and the two gears (3051) are meshed with the two racks (3052) in a one-to-one correspondence manner.

4. The skewer assembly according to claim 3, wherein the telescopic driving component comprises a worm gear case (3053), a transmission shaft (3054), two worm wheels (3055), a worm (3056) and a telescopic driving element (3057), the two transmission shafts (3054) are arranged in the worm gear case (3053) in a parallel rotation mode, the two worm wheels (3055) are arranged on the two transmission shafts (3054) in a separated mode, and one ends of the two transmission shafts (3054) extend out of the worm gear case (3053) and are connected with one gear (3051) respectively; the worm (3056) is arranged in the worm gear case (3053) and is meshed with the two worm gears (3055) respectively, the telescopic driving element (3057) is arranged on the worm gear case (3053), and the output end of the telescopic driving element is connected with the worm (3056).

5. The skewer assembly according to claim 1, characterized in that the inner ring of the telescopic belt (302) is provided with inner teeth (3021), and the skewer head unit (400) is fixedly connected with a first toothed plate (306) meshed with the inner teeth.

6. The skewer assembly according to claim 1, characterized in that the inner ring of the telescopic belt (302) is provided with inner teeth (3021), and the outer frame (304) is fixedly connected with a second toothed plate (307) meshed with the inner teeth.

7. The skewer assembly according to any one of claims 1-6, characterized in that the inner frame (301) is fixedly provided with a sliding rail (308), and the skewer head unit (400) is fixedly connected with a sliding block (309) matched with the sliding rail (308).

8. The skewer assembly according to any one of claims 1-6, wherein the inner frame (301) is provided with guide rails (3011) on both sides, and the outer frame (304) is provided with rollers (3041) on both sides inside the outer frame (304) that cooperate with the guide rails (3011).

9. The sampling assembly according to any one of claims 1-6, wherein the sampling head unit (400) comprises a sampling box, a hollow rotating rod, a connector, a rotating pipe and a rotation driving assembly, wherein the hollow rotating rod is rotatably arranged in the sampling box, the connector is connected with the lower end of the hollow rotating rod, the rotating pipe is fixedly connected to the top of the sampling box, and the rotation driving assembly is in transmission connection with the hollow rotating rod so as to drive the hollow rotating rod to rotate.

10. A sampler comprising the sampler assembly of any one of claims 1 to 9.