CN106441997A - Sampling tube downward detection stopping device used in grain sampling machine - Google Patents
Sampling tube downward detection stopping device used in grain sampling machine Download PDFInfo
- Publication number
- CN106441997A CN106441997A CN201610973526.7A CN201610973526A CN106441997A CN 106441997 A CN106441997 A CN 106441997A CN 201610973526 A CN201610973526 A CN 201610973526A CN 106441997 A CN106441997 A CN 106441997A
- Authority
- CN
- China
- Prior art keywords
- probe tube
- chain
- driving
- movable stand
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0855—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load avoiding response to transient overloads, e.g. during starting
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
Abstract
The invention relates to a sampling tube downward detection stopping device used in a grain sampling machine. The sampling tube downward detection stopping device used in the grain sampling machine comprises a first guide conveying unit and a second guide conveying unit which are arranged on a moving rack; a region between the first guide conveying unit and the second guide conveying unit form a clamping opening for clamping a sampling tube; each of the first guide conveying unit and the second guide conveying unit comprises a rotating shaft which extends out of the moving rack; each rotating shaft is provided with a driving wheel; a transmission chain is arranged on the two driving wheels and is further connected with a motor; a tensioning wheel is arranged on the moving rack and is matched with the transmission chain; a detecting wheel is further arranged between the tensioning wheel and the motor and is abutted to the back surface of the transmission chain in a matched manner; the detecting wheel is arranged on a retractable support; the retractable support is arranged on the moving rack and the stretching and retracting direction of the retractable support is horizontal; a proximity switch is arranged on a stretching and retracting path of the retractable support and is used for controlling switch-on and switch-off of the motor; by the proximity switch, the power is switched off, the circumstance that the sampling tube is bent and then is scrapped is avoided, or the circumstance that the motor cannot rotate and then is burnt down due to overheating is avoided, and then the driving mechanism and the sampling tube are protected.
Description
Technical field
The present invention relates to grain testing equipment technical field and in particular to a kind of under the probe tube in foodstuffs sampler
Visit arresting stop.
Background technology
When external grain purchased by grain purchasing station, for guaranteeing the purchase quality of grain, before grain is put in storage, it is right to need
Grain in boxcar is sampled, and specifically obtains dust content and the water content of grain, can know the product of grain
Matter, this is also that grain purchases stand in the detection item that must do before purchase grain.
Existing grain purchasing station has also applied grain sampler, and existing grain sampler mostly is handheld structure, when
When goods stock enters into grain purchasing station region to be detected, testing staff is passed through the car of goods stock by hand-held sampler
In bucket, thus completing the sampling operation to grain in lorry, hand-held sampler of the prior art cannot stretch into lorry sometimes
The deeper position in compartment be sampled, lead to sample detection and there is deviation, and during the sampling of hand-held sampler, operator
Needs are climbed up and are climbed down, and sampling operation is extremely inconvenient.
For solving above-mentioned technical problem, it is entitled that applicant applies on the same day《Foodstuffs sampler》Disclose one kind to be used for taking out
Take grain and the device detecting, in conjunction with shown in Fig. 1, sampler includes column, and the top of column is provided with cantilever, cantilever sets
It is equipped with movable stand, movable stand is vertically arranged with probe tube, first, second delivery unit is provided with movable stand, first,
Two delivery units all include drivewheel and driven pulley, pass through chain or transmission belt connects, be located between drivewheel and driven pulley
The lateral surface of chain or transmission belt is arranged at intervals with grip block, and drive mechanism drives the even counter-rotational process of more initiative gear
In, the grip block interlocking in chain or transmission belt rotates backward, and then realizes probe tube being moved up and down, due to probe tube
When exploring downward in boxcar, probe tube itself can bear larger impulsive force, if the grain moisture content in boxcar
When uneven, probe tube, during test, can bear different resistances positioned at different depth, if drive mechanism continues to move
Make it is easy to make probe tube bending damage, the drive mechanism also resulting in gearing probe tube is born larger impact and damaged.
Content of the invention
The purpose of the present invention is：There is provided a kind of for the probe tube test arresting stop in foodstuffs sampler, work as probe tube
When bearing larger resistance during test, can stop driving the drive mechanism of the action of probe tube, realize to driving
Mechanism and the protection of probe tube.
For achieving the above object, the technical solution used in the present invention is：
A kind of for the probe tube test arresting stop in foodstuffs sampler, including first, second of setting on movable stand
Delivery unit, the region between described first, second delivery unit constitutes the clamp port of clamping probe tube, first, second delivery
Unit all includes stretching out the rotating shaft of movable stand, and rotating shaft is provided with driving wheel, and two driving wheels are provided with driving-chain, driving-chain
Also coordinate with the gear at motor output shaft end, on described movable stand, rotary type is provided with tensioning wheel, described tensioning wheel and driving-chain
Cooperation, goes back rotary type between tensioning wheel and motor and is provided with detection wheel, described detection is taken turns with the driving-chain back side against cooperation,
Detection wheel is arranged on telescope support, and telescope support is arranged on movable stand and telescopic direction level, the flexible road of telescope support
Proximity switch is provided with footpath, proximity switch is used for energising and the power-off of controlled motor.
Also there are following characteristics in the present invention：
Guide post is provided with described movable stand, the bar length direction of described guide post is put down with the moving direction of telescope support
OK, described telescope support and guide post constitute slide-and-guide cooperation, and guide post is arranged with compression spring, outstanding positioned at guide post
Stretch end and be provided with clamp nut, one end of described compression spring and clamp nut are against the other end of compression spring is propped up with flexible
Frame against.
Described first, second delivery unit includes driving gear and driven gear, logical between driving gear and driven gear
Cross chain to connect, the line of driving gear and driven gear is located at probe tube both sides vertically and respectively and arranges, outer positioned at chain
Side is provided with grip block, and grip block is arranged at intervals with multiple, region composition folders between two chains along the circumferential direction of chain
Hold the clamp port of probe tube.
Described two driving wheels overall S-shaped structure with driving-chain cooperation, Motor drive two driving wheel rotation direction is contrary.
The groove being coincide with probe tube profile is provided with described grip block, the bottom land of groove is provided with convex tendon, first, the
The spacing between clamp port between the chain of two delivery units is adjustable.
Adjustable plate is provided with described movable stand, the plate end of described adjustable plate and the medial surface of chain are against on adjustable plate
It is provided with bar hole, the length direction of bar hole is vertical with probe tube length direction, and bar shaped in the hole is provided with installation bolt and shifting
Moving frame is connected, and described movable stand is additionally provided with regulating bolt, and described regulating bolt constitutes spiral shell with the support of setting on movable stand
Stricture of vagina connects, the length direction of regulating bolt is parallel with bar hole length direction and the side of rod end and adjustable plate against.
Compared with prior art, the technique effect that the present invention possesses is：Above-mentioned first, second delivery unit drives probe tube
During test, if the grain impurity in compartment is excessive, or when humidity is excessive, probe tube can bear larger in test
Resistance, when probe tube cannot continue test, two driving wheels cannot rotate, so that drive chain during motor is rotated further
The rapid tensioning of bar, so that the detection wheel between tensioning wheel and motor is along the telescopic direction movement of telescope support, thus touching
Touch proximity switch, and make motor power-off, thus avoiding probe tube bending and the phenomenon scrapped, or motor cannot rotate and
The overheated phenomenon burnt is it is achieved that protection to drive mechanism and probe tube.
Brief description
Fig. 1 is the structural representation of foodstuffs sampler；
Fig. 2 is the positive structure schematic of movable stand in the present invention；
Fig. 3 is the positive structure schematic of the probe tube in the present invention and movable stand cooperation；
Fig. 4 is the structure schematic diagram of movable stand in the present invention；
Fig. 5 is first, second delivery cellular construction schematic diagram in the present invention；
Fig. 6 is the structural representation of grip block in the present invention.
Specific embodiment
In conjunction with Fig. 1 to Fig. 6, the present invention is further described：
A kind of for the probe tube test arresting stop in foodstuffs sampler, including first of setting on movable stand 10, the
Two delivery units, the clamp port of the region composition clamping probe tube 20 between described first, second delivery unit, first, second
Delivery unit all includes stretching out the rotating shaft of movable stand 10, rotating shaft is provided with driving wheel 11, two driving wheels 11 are provided with biography
Dynamic chain 12, driving-chain 12 is also coordinated with the gear of motor 30 output shaft end, and on described movable stand 10, rotary type is provided with tensioning wheel
13, described tensioning wheel 13 and driving-chain 12 coordinate, and go back rotary type and be provided with detection wheel 14 between tensioning wheel 13 and motor 30,
, against cooperation, detection wheel 14 is arranged on telescope support 15, and telescope support 15 is arranged for described detection wheel 14 and driving-chain 12 back side
On movable stand 10 and telescopic direction level, the flexible path of telescope support 15 is provided with proximity switch 40, proximity switch 40
Energising for controlled motor 30 and power-off；
In conjunction with shown in Fig. 1 and Fig. 4, because probe tube 20 is steel pipe, above-mentioned first, second delivery unit drives probe tube 20
During test, if the grain impurity in compartment is excessive, or when humidity is excessive, probe tube 20 can bear relatively in test
Big resistance, when probe tube 20 cannot continue test, the driving force of first, second delivery unit is easy to so that probe tube 20 is curved
Song, or motor 30 overheated and produce burn phenomenon, in this regard, the driving-chain 12 also phase of first, second above-mentioned delivery unit
Larger resistance is born in the meeting answered, and two driving wheels 11 cannot rotate, and so that being driven during motor 30 is rotated further
Chain 12 tensioning, so that the detection wheel 14 between tensioning wheel 13 and motor 30 is along the telescopic direction movement of telescope support 15,
Thus touching proximity switch 40, and make motor 30 power-off, thus avoiding the phenomenon that probe tube 20 bends and scraps, or electricity
Machine 30 cannot rotate and the overheated phenomenon burnt, and plays the protection to parts such as motor 30, driving-chains 12；
During test, if test is smoothly, probe tube 20 may touch the case in compartment to above-mentioned probe tube 20
Bottom, probe tube 20 cannot test when so that driving-chain 12 moment tensioning, and make detection wheel 14 stretching along telescope support 15
Contracting direction is moved, thus the protection to probe tube 20 and motor 30 can be realized in the short time closes motor 30, short time.
As the preferred version of the present invention, in conjunction with shown in Fig. 2, Fig. 3 and Fig. 4, described movable stand 10 is provided with guide post
16, the bar length direction of described guide post 16 is parallel with the moving direction of telescope support 15, described telescope support 15 and guide post 16
Constitute slide-and-guide cooperation, guide post 16 is arranged with compression spring 17, the projecting end of guide post 16 is provided with fastening spiral shell
Female 18, one end of described compression spring 17 and clamp nut 18 against, the other end of compression spring 17 and telescope support 15 against；
In above-described embodiment, when driving-chain 12 tensioning, it is applied to detection wheel 14 larger back tension force, so that stretching
Contracting support 15 moves along the bar length of guide post 16, and compression spring 17 shortens, thus triggering proximity switch 40 action, when motor 30
When stopping operating, compression spring 17 resets, so that detection wheel 14 reset.
Further, in conjunction with shown in Fig. 5, described first, second delivery unit includes driving gear 40 and driven gear 50,
Connected by chain 60 between driving gear 40 and driven gear 50, the line of driving gear 40 and driven gear 50 vertically and divides
Wei Yu not arrange probe tube 20 both sides, the outside of chain 60 is provided with grip block 61, grip block 61 is along the week of chain 60
It is arranged at intervals with multiple to direction, the region between two chains 60 constitutes the clamp port of clamping probe tube 20；
For guaranteeing that probe tube 20 is inserted into the deeper position in compartment, the outer wall of this probe tube 20 is smooth, using first,
Probe tube 20 can be clamped by the clamp port being formed between the chain 60 of two delivery units, so that probe tube 20 moves down,
And explore downward in boxcar, start air exhauster, using probe tube 20, the grain in compartment is extracted and carry out to sample bucket
Detection, draws dust content and the water content of grain.
Further, described two driving wheels 11 and driving-chain 12 coordinate overall S-shaped structure, and motor 30 drives two drivings
Take turns 11 rotation directions contrary；
When motor 30 starts, the rotation direction interlocking two driving wheels 11 is contrary, and then interlocks first, second delivery unit
Two chains 60 rotate backward, and so that probe tube 20 is increased or test；
The fit system of above-mentioned driving-chain 12 and two driving wheels 11 is it is only necessary to design a driving-chain 12, you can realize
It can be ensured that grip block 61 drives, probe tube 20 is synchronous to be moved up and down the reverse synchronous axial system of first, second delivery unit, should
Smart structural design it can be ensured that two chains 60 of first, second delivery unit rotate backward speed equal while moreover it is possible to
Simplify structure design.
For guaranteeing the strong degree to the clamping of probe tube 20 outer wall, described grip block 61 is provided with and probe tube 20 profile kiss
The groove closing, the bottom land of groove is provided with convex tendon 611, for realizing clamping the adjustable of dynamics to probe tube 20, and adapts to difference
The probe tube 20 of caliber uses, and the spacing between clamp port between the chain 60 of first, second delivery unit is adjustable.
In conjunction with shown in Fig. 5, described movable stand 10 being provided with adjustable plate 18, the plate end of described adjustable plate 18 and chain 60
Medial surface is against being provided with bar hole 181, the length direction of bar hole 181 is hung down with probe tube 20 length direction on adjustable plate 18
Directly, it is provided with installation bolt 182 in bar hole 181 to be connected with movable stand 10, described movable stand 10 is additionally provided with regulating bolt
183, described regulating bolt 183 is constituted with the support 184 of setting on movable stand 10 threadeds, the length side of regulating bolt 183
To and rod end parallel with bar hole 181 length direction and adjustable plate 18 side against；
In above-described embodiment, when needing to adjust the spacing of clamp port between the chain 60 of first, second delivery unit, first
First unclamp installation bolt 182, and screw regulating bolt 183, so that the end of regulating bolt 183 is resisted against adjustable plate 18
Side so that adjustable plate 18 along regulating bolt 183 length direction move, and adjust between two chains 60 formed
Jaws spacing, when adjust to suitable position after, screw installation bolt 182, thus adjustable plate 18 is fixed on movable stand 10
On.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (6)
1. a kind of for the probe tube test arresting stop in foodstuffs sampler it is characterised in that：Set including on movable stand (10)
The first, second delivery unit put, the region between described first, second delivery unit constitutes the clamping of clamping probe tube (20)
Mouthful, first, second delivery unit all includes stretching out the rotating shaft of movable stand (10), and rotating shaft is provided with driving wheel (11), two drives
Driving-chain (12) is provided with driving wheel (11), driving-chain (12) is also coordinated with the gear of motor (30) output shaft end, described movement
The upper rotary type of frame (10) is provided with tensioning wheel (13), and described tensioning wheel (13) is coordinated with driving-chain (12), positioned at tensioning wheel (13)
Go back rotary type and be provided with detection wheel (14) and motor (30) between, described detection wheel (14) and driving-chain (12) back side are against joining
Close, detection wheel (14) is arranged on telescope support (15), telescope support (15) is arranged on movable stand (10) and telescopic direction water
Flat, the flexible path of telescope support (15) is provided with proximity switch (40), proximity switch (40) is used for controlled motor (30)
Energising and power-off.
2. according to claim 1 for the probe tube test arresting stop in foodstuffs sampler it is characterised in that：Described
Guide post (16), the bar length direction of described guide post (16) and the moving direction of telescope support (15) are provided with movable stand (10)
Parallel, described telescope support (15) and guide post (16) constitute slide-and-guide cooperation, and guide post is arranged with compression spring on (16)
(17), the projecting end positioned at guide post (16) is provided with clamp nut (18), one end of described compression spring (17) and fastening spiral shell
Female (18) against, the other end of compression spring (17) and telescope support (15) against.
3. according to claim 1 and 2 for the probe tube test arresting stop in foodstuffs sampler it is characterised in that：
Described first, second delivery unit includes driving gear (40) and driven gear (50), driving gear (40) and driven gear
(50) pass through chain (60) between to connect, the line of driving gear (40) and driven gear (50) is located at vertically and respectively probe tube
(20) both sides arrangement, is provided with grip block (61) positioned at the outside of chain (60), grip block (61) is along the circumference of chain (60)
Direction is arranged at intervals with the clamp port in multiple, regions composition clamping probe tube (20) between two chains (60).
4. according to claim 3 for the probe tube test arresting stop in foodstuffs sampler it is characterised in that：Described
Two driving wheels (11) overall S-shaped structure with driving-chain (12) cooperation, motor (30) drives two driving wheels (11) rotation direction phase
Instead.
5. according to claim 3 for the probe tube test arresting stop in foodstuffs sampler it is characterised in that：Described
The groove being coincide with probe tube (20) profile is provided with grip block (61), the bottom land of groove is provided with convex tendon (611), first,
The spacing between clamp port between the chain (60) of the second delivery unit is adjustable.
6. according to claim 5 for the probe tube test arresting stop in foodstuffs sampler it is characterised in that：Described
Adjustable plate (18) is provided with movable stand (10), the plate end of described adjustable plate (18) and the medial surface of chain (60) are against regulation
Bar hole (181) is provided with plate (18), the length direction of bar hole (181) is vertical with probe tube (20) length direction, bar shaped
It is provided with installation bolt (182) in hole (181) to be connected with movable stand (10), described movable stand (10) is additionally provided with regulating bolt
(183), described regulating bolt (183) is constituted with the support (184) of the upper setting of movable stand (10) and threadeds, regulating bolt
(183) length direction is parallel with bar hole (181) length direction and the side of rod end and adjustable plate (18) against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973526.7A CN106441997A (en) | 2016-11-04 | 2016-11-04 | Sampling tube downward detection stopping device used in grain sampling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973526.7A CN106441997A (en) | 2016-11-04 | 2016-11-04 | Sampling tube downward detection stopping device used in grain sampling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106441997A true CN106441997A (en) | 2017-02-22 |
Family
ID=58180251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610973526.7A Pending CN106441997A (en) | 2016-11-04 | 2016-11-04 | Sampling tube downward detection stopping device used in grain sampling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441997A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06167429A (en) * | 1993-06-17 | 1994-06-14 | Iseki & Co Ltd | Grain sampling device for lift |
| CN201130116Y (en) * | 2007-12-11 | 2008-10-08 | 陈占友 | Foodstuffs sampler |
| CN201203537Y (en) * | 2008-04-29 | 2009-03-04 | 王聪有 | Automatic sampling machine of grain |
| CN104481385A (en) * | 2014-10-14 | 2015-04-01 | 漳州市长泰新麒麟机械有限公司 | Block-to-stop transmission device |
| CN205078155U (en) * | 2015-10-13 | 2016-03-09 | 江阴市耀飞门业有限公司 | Rolling slats door motor is met to hinder and is stopped system |
| US9459183B1 (en) * | 2015-01-15 | 2016-10-04 | Bruce D. Schnakenberg | System for the collection and disposal of grain samples |
| CN106568613A (en) * | 2016-11-04 | 2017-04-19 | 界首市金龙机械设备有限公司 | Start-stop mechanism for lower probe of sampling tube in grain sampler |
| CN206161366U (en) * | 2016-11-04 | 2017-05-10 | 界首市金龙机械设备有限公司 | A sampling tube test stop device for among grain sampler |
-
2016
- 2016-11-04 CN CN201610973526.7A patent/CN106441997A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06167429A (en) * | 1993-06-17 | 1994-06-14 | Iseki & Co Ltd | Grain sampling device for lift |
| CN201130116Y (en) * | 2007-12-11 | 2008-10-08 | 陈占友 | Foodstuffs sampler |
| CN201203537Y (en) * | 2008-04-29 | 2009-03-04 | 王聪有 | Automatic sampling machine of grain |
| CN104481385A (en) * | 2014-10-14 | 2015-04-01 | 漳州市长泰新麒麟机械有限公司 | Block-to-stop transmission device |
| US9459183B1 (en) * | 2015-01-15 | 2016-10-04 | Bruce D. Schnakenberg | System for the collection and disposal of grain samples |
| CN205078155U (en) * | 2015-10-13 | 2016-03-09 | 江阴市耀飞门业有限公司 | Rolling slats door motor is met to hinder and is stopped system |
| CN106568613A (en) * | 2016-11-04 | 2017-04-19 | 界首市金龙机械设备有限公司 | Start-stop mechanism for lower probe of sampling tube in grain sampler |
| CN206161366U (en) * | 2016-11-04 | 2017-05-10 | 界首市金龙机械设备有限公司 | A sampling tube test stop device for among grain sampler |
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| PB01 | Publication | ||
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Application publication date: 20170222 |