CN211292044U - Tower crane formula grain sampler - Google Patents
Tower crane formula grain sampler Download PDFInfo
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- CN211292044U CN211292044U CN201922390833.4U CN201922390833U CN211292044U CN 211292044 U CN211292044 U CN 211292044U CN 201922390833 U CN201922390833 U CN 201922390833U CN 211292044 U CN211292044 U CN 211292044U
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- oil cylinder
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Abstract
The utility model provides a tower-hung grain sampler; the bottom of a column sleeve of the lifting column is fixed, a telescopic inner pipe extends into the column sleeve from the upper end of the column sleeve, a cylinder body of a telescopic oil cylinder is fixed with the column sleeve, and a piston rod is fixed with the telescopic inner pipe; the rotating arm is arranged at the upper end of the telescopic inner tube through a rotating mechanism, a bearing seat of the rotating mechanism is fixed at the upper end of the telescopic inner tube, the rotating upright post is matched with a bearing seat bearing, and a rotating motor drives the rotating upright post to rotate through a bevel gear; a rack of the moving mechanism is fixed on the rotating arm, the advancing gear is arranged on the frame and matched with the rack, and the speed reducing motor drives the advancing gear; the cylinder body of the sampling rod oil cylinder of the sampling mechanism is fixed with the frame, the piston rod of the sampling rod oil cylinder is fixed with the sampling rod, a cavity is arranged in the sampling rod, a sampling hole is formed in the sampling rod, and the upper end of the cavity is communicated with an external negative pressure source. The lifting upright column drives the rotating arm and the sampling mechanism to lift, the rotating mechanism drives the rotating arm to be positioned above the transport vehicle, and the moving mechanism enables the sampling mechanism to reach a sampling point.
Description
Technical Field
The utility model relates to a grain sampler, in particular to a tower-hung grain sampler.
Background
At present, after various grains are purchased in China, the grains are generally required to be picked up for inspection in the warehousing process. The grain transportation mainly comprises packaging transportation and bulk transportation. The detector for sampling the packaged grain can only extract the periphery and the top, but cannot extract the grain at the central part of the carriage, and the quality control is realized by the supervision and identification of the warehousing and unloading site, thus wasting time and labor. For bulk grain sampling, the bulk grain sampling device can only be used for manually loading the bulk grain sampling device on a 2m-4m high vehicle roof for sampling, so that the bulk grain sampling device is dangerous and low in efficiency, and simultaneously directly contacts with grains, is polluted by dust and is damaged by human bodies.
There are multiple sampler among the prior art, and the sampler can be followed the grain and piled grain extraction out, then transports grain to the grain collection box through the pipeline, detects grain through subsequent detection means again.
However, the existing sample machine can not flexibly adjust the position of the sample rod according to the operating environment, and only can be matched with a grain carrier, so that sample is inconvenient and sample efficiency is influenced; and the existing sample machine is not directly suitable for vehicle-mounted grain packaging and bulk grain uncovered transport vehicles due to small volume.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a tower crane formula grain sampler that changes sampling pole spatial position in a flexible way is provided.
In order to solve the technical problem, the utility model provides a tower-hung grain sampler;
comprises a rotating arm, a lifting upright post, a rotating mechanism, a moving mechanism and a plurality of sampling mechanisms;
the lifting upright comprises an upright sleeve, a telescopic inner tube and a telescopic oil cylinder, the bottom of the upright sleeve is fixed on a raft structure, the telescopic inner tube extends into the upright sleeve from an upper end opening of the upright sleeve, the telescopic oil cylinder is arranged in the upright sleeve, a cylinder body of the telescopic oil cylinder is fixed with the upright sleeve, a piston rod of the telescopic oil cylinder is fixed with the telescopic inner tube, and the telescopic direction of the telescopic oil cylinder is consistent with the vertical direction;
the rotary arm is arranged at the upper end of a telescopic inner pipe of the lifting stand column through a rotary mechanism, the rotary mechanism comprises a rotary motor, a rotary stand column, a bearing seat, a driving spiral bevel gear and a driven spiral bevel gear, the bearing seat is fixedly connected to the upper end of the telescopic inner pipe of the lifting stand column, the rotary stand column is arranged on the upper side of the bearing seat and matched with the bearing seat through a bearing, the transmission axis of the rotary stand column is in the vertical direction, the driven spiral bevel gear is fixed with the side wall of the rotary stand column, the driven spiral bevel gear is meshed with the driving spiral bevel gear, the driving spiral bevel gear is driven through the rotary motor, the rotary arm is fixedly connected with the rotary stand;
the moving mechanism comprises a frame, a speed reducing motor, at least one rack and a plurality of advancing gears, the rack is fixedly connected to the rotating arm, the direction of the rack is consistent with the length direction of the rotating arm, the advancing gears are mounted on the frame, the advancing gears are matched with the rack, and the speed reducing motor drives the advancing gears;
the sample mechanism includes a sample rod oil cylinder and a sample rod, the cylinder body of the sample rod oil cylinder is fixed with the frame of the moving mechanism, the piston rod of the sample rod oil cylinder is fixedly connected with the sample rod, the telescopic direction of the sample rod oil cylinder is vertical, a cavity is arranged in the sample rod, a sample hole communicated with the cavity is formed in the lower portion of the sample rod, and the upper end of the cavity is communicated with an external negative pressure source.
After the structure is adopted, the structure of the tower crane is taken as a model, the lifting upright column drives the rotating arm and the sampling mechanism to lift, the rotating arm is driven by the rotating mechanism to be positioned right above the transport vehicle, and finally the sampling mechanism reaches a sampling point by the moving mechanism.
The sampling mechanism of the novel tower-hung grain sampling machine can do spatial motion in a three-dimensional coordinate plane, can be manually operated or automatically operated, and completes sampling operation.
Wherein, the lift stand can carry out the oscilaltion and remove, realizes reciprocating of swinging boom, carries out the sample according to the grain car of co-altitude not to the operational environment adaptability of this novel tower crane formula grain sample machine has been enlarged. The rack is meshed with the advancing gear to drive the moving mechanism to move, so that the purpose of accurate positioning can be achieved.
Preferably, high definition digtal camera is installed to this novel tower crane formula grain sampler's swinging boom tip, and high definition digtal camera aligns the sampling mechanism downside region.
After adopting such structure, high definition digtal camera can automatic identification grain on the grain car impurity, color and luster and grain particle's imperfection etc., and the information of the grain is known comprehensively to the detection personnel of being convenient for.
Preferably, the near end of the swinging boom of this novel tower crane formula grain sampler also level stretches out lift stand side, and the near end of swinging boom to the distance between the rotatory stand is less than the distance between the distal end of swinging boom to the rotatory stand, and the near end of swinging boom is equipped with the balancing weight.
Preferably, the driving spiral bevel gear of the novel tower-hung grain sampler is arranged on a transmission shaft, the transmission shaft is supported beside a bearing seat through a bearing, a rotating motor is fixedly connected with the bearing seat, and an output shaft of the rotating motor is connected with the transmission shaft through a chain transmission mechanism.
After adopting such structure, rotary mechanism's transmission mode is more concrete, more can satisfy the actual operation needs.
Preferably, the rotating arm of the novel tower-hung grain sampler is provided with at least one sliding groove, the moving direction of the sliding groove is consistent with the moving direction of the rack of the moving mechanism, at least one pulley is arranged beside the frame of the moving mechanism, the pulley corresponds to the sliding groove one by one, and the pulley is matched with the sliding groove.
After adopting such structure, the pulley cooperates with the spout on the swinging boom, realizes moving mechanism's accurate removal and positioning action, has guaranteed the stationarity of moving mechanism motion simultaneously, reduces and rocks.
Preferably, the frame of the moving mechanism of the novel tower-hung grain sampler is fixedly connected with a plurality of fixing supports, and the sampling oil cylinder body of the sampling mechanism is fixed with the frame through the fixing supports.
Preferably, the side of the sampling oil cylinder body of the sampling mechanism of the novel tower-hung grain sampling machine is fixedly connected with a guide sleeve, and the lower end of the sampling rod penetrates through the guide sleeve along the vertical direction.
Drawings
FIG. 1 is a state diagram of a tower-suspended grain sampler in use according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a lifting column of an embodiment of the tower-hung type grain sampler provided by the present invention;
fig. 3 is a schematic structural diagram of a rotating mechanism of an embodiment of the tower crane type grain sampler provided by the present invention;
FIG. 4 is a bottom view of the embodiment moving mechanism of the tower-hung type grain sampler provided by the present invention;
FIG. 5 is a view of the embodiment of the tower-hung type grain sampler moving mechanism and the rotating arm in cooperation with each other;
fig. 6 is a schematic diagram of a moving mechanism and a sampling mechanism of an embodiment of a tower-hung grain sampler provided by the utility model.
Detailed Description
As shown in fig. 1 to 6
The utility model provides a tower crane formula grain sampler includes swinging boom 2, lift stand 1, rotary mechanism 3, moving mechanism 4 and two sets of sampling mechanism.
The lifting upright column 1 comprises an upright column sleeve 11, a telescopic inner tube 12 and a telescopic oil cylinder 13, the bottom of the upright column sleeve 11 is fixed with the ground through embedded bolts, the telescopic inner tube 12 extends into the upright column sleeve 11 from an upper end opening of the upright column sleeve 11, the telescopic oil cylinder 13 is arranged in the upright column sleeve 11, a cylinder body of the telescopic oil cylinder 13 is hinged and fixed with the lower part of the upright column sleeve 11 through a pin shaft, a piston rod of the telescopic oil cylinder 13 extends into the telescopic inner tube 12 and is hinged and fixed with the telescopic inner tube 12 through a pin shaft, and the telescopic trend of the telescopic oil cylinder 13 is consistent with.
The telescopic oil cylinder 13 is driven by a hydraulic system 14, a motor of the hydraulic system 14 drives an oil pump to rotate, low-pressure hydraulic oil is changed into high-pressure hydraulic oil, and mechanical energy is converted into pressure energy of the hydraulic oil; the direction, pressure and flow are adjusted through the valve combination and the hydraulic rubber tube; hydraulic oil is transmitted to the telescopic oil cylinder 13 through an external pipeline, and pressure energy is converted into mechanical energy of the telescopic oil cylinder 13; the lifting and the falling of the sampling mechanism are completed by controlling the force and the speed of the telescopic oil cylinder 13 through the flow regulating valve.
The rotating arm 2 is arranged at the upper end of the telescopic inner tube 12 of the lifting upright post 1 through a rotating mechanism 3, the rotating mechanism 3 comprises a rotating motor 37 and a rotating upright post 32, the lifting vertical column comprises a bearing seat 31, a driving spiral bevel gear 35 and a driven spiral bevel gear 34, wherein the bearing seat 31 is fixed at the upper end of a telescopic inner tube 12 of the lifting vertical column 1 through bolts, the rotating vertical column 32 is positioned at the upper side of the bearing seat 31, the rotating vertical column 32 is matched with the bearing seat 31 through a pressure bearing 33, the driven spiral bevel gear 34 is fixed with the side wall of the rotating vertical column 32, the driven spiral bevel gear 34 is meshed with the driving spiral bevel gear 35, the driving spiral bevel gear 35 is arranged on a transmission shaft 36, the transmission shaft 36 is supported beside the bearing seat 31 through a bearing, the rotating motor 37 is fixed with the bearing seat 31 through bolts, an output shaft of the rotating motor 37 is connected with the transmission shaft 36 through a chain transmission mechanism 38.
The swinging boom 2 and the rotatory stand 32 welded fastening, the lift stand 1 side is stretched out to the distal end level of swinging boom 2, the lift stand 1 side is also stretched out to the near-end level of swinging boom 2, the distance between the near-end of swinging boom 2 to the rotatory stand 32 is less than the distance between the distal end of swinging boom 2 to the rotatory stand 32, the near-end of swinging boom 2 is equipped with the balancing weight 21, swinging boom 2 opens there are two spouts (not shown in the figure), the trend of spout is unanimous with the trend of moving mechanism 4's rack 41.
The bottom of the far end of the rotating arm 2 is provided with a high-definition camera 22, and the high-definition camera 22 is aligned with the lower side area of the sampling mechanism.
The moving mechanism 4 comprises a frame 43, a speed reducing motor 44, two racks 41 and four advancing gears 42, the two racks 41 are respectively welded on the rotating arm 2, the direction of the racks 41 is consistent with the length direction of the rotating arm 2, two groups of the four advancing gears 42 are respectively installed on the bottom of the frame 43, the four advancing gears 42 are respectively matched with the racks 41, the speed reducing motor 44 drives the two advancing gears 42 to run, the advancing gears 42 drive the frame 43 to move along the direction of the racks 41, two pulleys 45 are respectively installed on two sides of the frame 43 of the moving mechanism 4, the four pulleys 45 are respectively installed in a group, two groups of the pulleys 45 are in one-to-one correspondence with two sliding grooves, and the pulleys 45.
When the front part of the frame 43 touches the travel switch, the travel switch arranged at the far end of the beam of the rotating arm 2 decelerates to stop advancing, thereby playing the role of protecting the travel mechanism 4.
Each group of sampling mechanisms comprises a sampling rod oil cylinder 51 and a sampling rod 52, the telescopic direction of the sampling rod oil cylinder 51 is the vertical direction, a piston rod of the sampling rod oil cylinder 51 is fixedly welded with the upper part of the sampling rod 52, so that the sampling rod is vertically downward parallel to the piston rod and staggered by a certain distance, a cavity is arranged in the sampling rod 52, a sampling hole communicated with the cavity is formed in the lower part of the sampling rod 52, the upper end of the cavity is communicated with an external negative pressure source, a guide sleeve 53 is fixedly connected to the side of the cylinder body of the sampling oil cylinder of the sampling mechanism, and the lower end of the sampling rod 52 penetrates through the guide sleeve 53 along the vertical direction.
The bottom-touching rebounding mechanism (pressure sensor) is additionally arranged on the sampling rod 52 to protect the sampling rod 52, the sampling rod cylinder 51 is a small telescopic hydraulic cylinder, the laser ranging sensor is arranged on the sampling rod cylinder 51 to automatically control the cutting depth of the sampling rod 52, the depth of the sampling rod 52 inserted into grain can be controlled according to the height of the bottom plate of the vehicle carriage, and the sampling rod 52 is prevented from falling off to the position to touch the bottom plate of the carriage to damage the sampling rod 52.
Two fixing brackets 46 are respectively welded on two sides of the frame 43 of the moving mechanism 4, and the sampling oil cylinder bodies of the two groups of sampling mechanisms are fixed with the frame 43 through the four fixing brackets 46.
Before use, the initial heights of the rotating arm 2 and the sampling mechanism are adjusted by adjusting the telescopic oil cylinder 13 of the lifting upright post 1, and the bottom end of the sampling rod 52 is higher than the height of the transport vehicle;
starting a rotating motor 37 of the rotating mechanism 3, driving a spiral conical gear 35 to be meshed with a driven spiral conical gear 34, and driving the rotating arm 2 to rotate by the rotating upright post 32 until the rotating arm 2 is positioned right above the transport vehicle;
then the gear motor 44 of the moving mechanism 4 is started, the frame 43 advances along the direction of the rack 41 until the two groups of sampling mechanisms are all positioned at the upper side of the transport vehicle, and at the moment, the novel tower-hung grain sampling machine is positioned at a sampling point.
During the sampling operation, the external grain sucker is started, the sampling rod oil cylinder 51 is started again, after the sampling rod 52 is inserted into grains, the grain sucker enables the grain sucker and the sampling rod 52 to form a certain negative pressure, and at the moment, the grains enter the grain sucker from the sampling hole through the grain sucker, so that the sampling operation is completed.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as belonging to the protection scope of the present invention.
Claims (7)
1. A tower crane formula grain sampler characterized in that:
comprises a rotating arm, a lifting upright post, a rotating mechanism, a moving mechanism and a plurality of sampling mechanisms;
the lifting upright comprises an upright sleeve, a telescopic inner tube and a telescopic oil cylinder, the bottom of the upright sleeve is fixed on a raft structure, the telescopic inner tube extends into the upright sleeve from an upper end opening of the upright sleeve, the telescopic oil cylinder is arranged in the upright sleeve, a cylinder body of the telescopic oil cylinder is fixed with the upright sleeve, a piston rod of the telescopic oil cylinder is fixed with the telescopic inner tube, and the telescopic direction of the telescopic oil cylinder is consistent with the vertical direction;
the rotary arm is arranged at the upper end of a telescopic inner pipe of the lifting stand column through a rotary mechanism, the rotary mechanism comprises a rotary motor, a rotary stand column, a bearing seat, a driving spiral bevel gear and a driven spiral bevel gear, the bearing seat is fixedly connected to the upper end of the telescopic inner pipe of the lifting stand column, the rotary stand column is arranged on the upper side of the bearing seat and matched with the bearing seat through a bearing, the transmission axis of the rotary stand column is in the vertical direction, the driven spiral bevel gear is fixed with the side wall of the rotary stand column, the driven spiral bevel gear is meshed with the driving spiral bevel gear, the driving spiral bevel gear is driven through the rotary motor, the rotary arm is fixedly connected with the rotary stand;
the moving mechanism comprises a frame, a speed reducing motor, at least one rack and a plurality of advancing gears, the rack is fixedly connected to the rotating arm, the direction of the rack is consistent with the length direction of the rotating arm, the advancing gears are mounted on the frame, the advancing gears are matched with the rack, and the speed reducing motor drives the advancing gears;
the sample mechanism includes a sample rod oil cylinder and a sample rod, the cylinder body of the sample rod oil cylinder is fixed with the frame of the moving mechanism, the piston rod of the sample rod oil cylinder is fixedly connected with the sample rod, the telescopic direction of the sample rod oil cylinder is vertical, a cavity is arranged in the sample rod, a sample hole communicated with the cavity is formed in the lower portion of the sample rod, and the upper end of the cavity is communicated with an external negative pressure source.
2. The tower-hung grain sampler as claimed in claim 1, wherein:
the high definition camera is installed to the swinging boom tip, the high definition camera is to the alignment sampling mechanism downside region.
3. The tower-hung grain sampler as claimed in claim 1, wherein:
the near-end of swinging boom also the level stretches out lift stand side, and the near-end of swinging boom to the distance between the rotatory stand is less than the distance between the distal end of swinging boom to the rotatory stand, and the near-end of swinging boom is equipped with the balancing weight.
4. The tower-hung grain sampler as claimed in claim 1, wherein:
the driving spiral bevel gear is arranged on the transmission shaft, the transmission shaft is supported beside the bearing seat through a bearing, the rotating motor is fixedly connected with the bearing seat, and the output shaft of the rotating motor is connected with the transmission shaft through a chain transmission mechanism.
5. The tower-hung grain sampler as claimed in claim 1, wherein:
the swinging boom is provided with at least one sliding chute, the trend of the sliding chute is consistent with the trend of a rack of the moving mechanism, at least one pulley is arranged beside a frame of the moving mechanism, the pulley corresponds to the sliding chute one by one, and the pulley is matched with the sliding chute.
6. The tower-hung grain sampler as claimed in claim 1, wherein:
the frame fixedly connected with a plurality of fixed bolsters of moving mechanism, the sample hydro-cylinder body of sample mechanism is fixed with the frame through a plurality of fixed bolsters.
7. The tower-hung grain sampler as claimed in claim 1, wherein:
the side of the sampling oil cylinder body of the sampling mechanism is fixedly connected with a guide sleeve, and the lower end of the sampling rod penetrates through the guide sleeve along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390833.4U CN211292044U (en) | 2019-12-27 | 2019-12-27 | Tower crane formula grain sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390833.4U CN211292044U (en) | 2019-12-27 | 2019-12-27 | Tower crane formula grain sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211292044U true CN211292044U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922390833.4U Expired - Fee Related CN211292044U (en) | 2019-12-27 | 2019-12-27 | Tower crane formula grain sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211292044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940546A (en) * | 2019-12-27 | 2020-03-31 | 安徽科技学院 | Tower crane formula grain sampler |
-
2019
- 2019-12-27 CN CN201922390833.4U patent/CN211292044U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940546A (en) * | 2019-12-27 | 2020-03-31 | 安徽科技学院 | Tower crane formula grain sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20201227 |